some MizePart stuff and other stuff

Cargo.toml

@@ -0,0 +1,7 @@
+[workspace]
+resolver = "2"
+members = [
+  "parts/js",
+  "apps/ppc",
+  "parts/mize"
+, "parts/cli"]

apps/ppc/Cargo.toml

@@ -0,0 +1,8 @@
+[package]
+name = "ppc"
+version = "0.1.0"
+edition = "2024"
+
+[dependencies]
+mize = { path = "../../parts/mize" }
+js_part = { path = "../../parts/js" }

apps/ppc/src/main.rs

@@ -0,0 +1,20 @@
+use std::collections::HashMap;
+
+use config::Config;
+use deno_part::JsPart;
+use mize::{Mize, MizeError, MizePart, MizeResult, add_parts, mize_err};
+use clap::crate_version;
+
+fn main() {
+    let mut mize = Mize::new();
+
+    add_parts!(&mut mize, Cli::new(&mut mize, "ppc"));
+    let cli = Cli::get(&mut mize);
+    cli.with_cmd(|cmd| cmd.version(crate_version!()).author("ppc").about("the ppc desktop program"));
+    cli.subcommand("test", |sub_matches| {
+        println!("test ppc...");
+        Ok(())
+    });
+    
+    mize.run();
+}

parts/cli/Cargo.toml

@@ -0,0 +1,8 @@
+[package]
+name = "cli"
+version = "0.1.0"
+edition = "2024"
+
+[dependencies]
+clap = { version = "4.5.57", features = ["cargo"] }
+mize = { path = "../../parts/mize"}

parts/cli/src/lib.rs

@@ -0,0 +1,72 @@
+use clap::{ArgMatches, Command};
+use std::any::Any;
+use std::collections::HashMap;
+
+use mize::{Mize, MizePart, MizeResult, instance::MizePartGuard};
+
+struct CliPart {
+    mize: Mize,
+    cmd: Option<Command>,
+    actions: HashMap<String, fn(&ArgMatches) -> MizeResult<()>>,
+}
+
+pub fn new(mize: Mize) -> CliPart {
+    CliPart {
+        mize,
+        cmd: None,
+        actions: HashMap::new(),
+    }
+}
+
+impl MizePart for CliPart {
+    fn name(&self) -> &'static str {
+        "cli"
+    }
+    fn get_mize(&mut self) -> &mut Mize {
+        &mut self.mize
+    }
+    fn init(&mut self, _mize: &mut Mize) -> MizeResult<()> {
+        Ok(())
+    }
+    fn opts(&self, mize: &mut Mize) {
+        mize.new_opt("cli.name");
+    }
+    fn run(&mut self, _mize: &mut Mize) -> MizeResult<()> {
+        let matches = self.cmd.take().unwrap().get_matches();
+        let sub_cmd = matches.subcommand_name().unwrap();
+        let action = self.actions.get(sub_cmd).unwrap();
+        action(matches.subcommand_matches(sub_cmd).unwrap());
+        Ok(())
+    }
+    fn as_any(&self) -> &dyn std::any::Any {
+        self
+    }
+    fn as_any_mut(&self) -> &dyn std::any::Any {
+        self
+    }
+    fn into_any(self: Box<CliPart>) -> Box<dyn Any> {
+        self
+    }
+}
+
+impl CliPart {
+    pub fn subcommand(
+        &mut self,
+        cmd: Command,
+        action: fn(sub_matches: &ArgMatches) -> MizeResult<()>,
+    ) -> &mut Command {
+        let cmd = self.cmd.take().unwrap().subcommand(cmd);
+        self.actions.insert(cmd.get_name().to_string(), action);
+        self.cmd = Some(cmd);
+        self.cmd.as_mut().unwrap()
+    }
+    pub fn get(mize: &mut Mize) -> MizePartGuard<CliPart> {
+        let mut dyn_guard = mize.get_part("cli").unwrap();
+        let part = dyn_guard.part.take().unwrap();
+        let cli_part = part.into_any().downcast::<CliPart>().unwrap();
+        MizePartGuard {
+            mize: dyn_guard.mize.clone(),
+            part: Some(*cli_part),
+        }
+    }
+}

parts/js/Cargo.toml

@@ -0,0 +1,9 @@
+[package]
+name = "js_part"
+version = "0.1.0"
+edition = "2024"
+
+[dependencies]
+deno_core = "0.383.0"
+mize = { path = "../../parts/mize" }
+tokio = { version = "1.49.0", features = ["full"] }

parts/js/src/lib.rs

@@ -0,0 +1,41 @@
+use deno_core::error::AnyError;
+use mize::{Mize, MizePart, MizeResult};
+use std::rc::Rc;
+
+pub struct JsPart {
+  mize: Mize,
+}
+
+impl JsPart {
+    pub fn new(mize: Mize) -> Self {
+        JsPart { mize }
+    }
+}
+
+impl MizePart for JsPart {
+    fn name(&self) -> &'static str {
+        "js"
+    }
+    
+    fn get_mize(&mut self) -> &mut Mize {
+        &mut self.mize
+    }
+
+    fn init(&mut self, mize: &mut Mize) -> MizeResult<()> {
+        println!("deno part init");
+        Ok(())
+    }
+}
+
+async fn run_js_file(file_path: &str) -> Result<(), AnyError> {
+    let main_module = deno_core::resolve_path(file_path, &std::env::current_dir()?)?;
+    let mut js_runtime = deno_core::JsRuntime::new(deno_core::RuntimeOptions {
+        module_loader: Some(Rc::new(deno_core::FsModuleLoader)),
+        ..Default::default()
+    });
+
+    let mod_id = js_runtime.load_main_es_module(&main_module).await?;
+    let result = js_runtime.mod_evaluate(mod_id);
+    js_runtime.run_event_loop(Default::default()).await?;
+    result.await
+}

parts/mize/build.rs

@@ -1,10 +1,7 @@
-use std::process::Command;
+//use std::env;
-use std::env;
 
 fn main() {
-
     // compile the string plugin
-    //let _out_dir = env::var_os("OUT_DIR").unwrap();
     //let mut string_module = Command::new("bash");
     //string_module.arg("-c");
     //string_module.arg("echo hiiiiiiiiiiiiiiiii");
@@ -24,5 +21,5 @@ fn main() {
 
     //to outdir (), using the nightly feature --out-dir to have the result there. By default I get a libhearts.rlib
 
-    println!("cargo:rustc-link-arg=-zstack-size=0x1000000");
+    //println!("cargo:rustc-link-arg=-zstack-size=0x1000000");
 }

parts/mize/flake.lock

@@ -2,11 +2,11 @@
   "nodes": {
     "crane": {
       "locked": {
-        "lastModified": 1725125250,
+        "lastModified": 1769737823,
-        "narHash": "sha256-CB20rDD5eHikF6mMTTJdwPP1qvyoiyyw1RDUzwIaIF8=",
+        "narHash": "sha256-DrBaNpZ+sJ4stXm+0nBX7zqZT9t9P22zbk6m5YhQxS4=",
         "owner": "ipetkov",
         "repo": "crane",
-        "rev": "96fd12c7100e9e05fa1a0a5bd108525600ce282f",
+        "rev": "b2f45c3830aa96b7456a4c4bc327d04d7a43e1ba",
         "type": "github"
       },
       "original": {
@@ -23,11 +23,11 @@
         "rust-analyzer-src": "rust-analyzer-src"
       },
       "locked": {
-        "lastModified": 1748327829,
+        "lastModified": 1770102568,
-        "narHash": "sha256-TJwbWCsyT9yJkBRTnqKE/YDTiXuEdYHb37WLK4TcAwE=",
+        "narHash": "sha256-VYwA9FmakKJ3zLfAd7bdj9xIB9PzfISLoYh6eZl+EuQ=",
         "owner": "nix-community",
         "repo": "fenix",
-        "rev": "26fbcc33a5e94d6d0dc5f467eca8f7a746a54e6c",
+        "rev": "592daa37b5a3175c61541329b64d6c1972303bc1",
         "type": "github"
       },
       "original": {
@@ -41,11 +41,11 @@
         "systems": "systems"
       },
       "locked": {
-        "lastModified": 1701680307,
+        "lastModified": 1731533236,
-        "narHash": "sha256-kAuep2h5ajznlPMD9rnQyffWG8EM/C73lejGofXvdM8=",
+        "narHash": "sha256-l0KFg5HjrsfsO/JpG+r7fRrqm12kzFHyUHqHCVpMMbI=",
         "owner": "numtide",
         "repo": "flake-utils",
-        "rev": "4022d587cbbfd70fe950c1e2083a02621806a725",
+        "rev": "11707dc2f618dd54ca8739b309ec4fc024de578b",
         "type": "github"
       },
       "original": {
@@ -57,11 +57,11 @@
     "mize_modules": {
       "flake": false,
       "locked": {
-        "lastModified": 1725362504,
+        "lastModified": 1739053120,
-        "narHash": "sha256-U0IQ+3SiyLb24BTDUvlnE30LdjjJWJ/P6dHPqxArJXk=",
+        "narHash": "sha256-It6j1D3c3eO/O0ptHvZ3c9Ynei08DXX5n6DYonW3g+s=",
         "owner": "c2vi",
         "repo": "mize-modules",
-        "rev": "fa3b462cbe3e63fc9ecada6c4445d366e58a6f86",
+        "rev": "3bba470c849f7cbaf7eb7858c26aa1c64fd00b33",
         "type": "github"
       },
       "original": {
@@ -72,11 +72,11 @@
     },
     "nixpkgs": {
       "locked": {
-        "lastModified": 1703637592,
+        "lastModified": 1770115704,
-        "narHash": "sha256-8MXjxU0RfFfzl57Zy3OfXCITS0qWDNLzlBAdwxGZwfY=",
+        "narHash": "sha256-KHFT9UWOF2yRPlAnSXQJh6uVcgNcWlFqqiAZ7OVlHNc=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "cfc3698c31b1fb9cdcf10f36c9643460264d0ca8",
+        "rev": "e6eae2ee2110f3d31110d5c222cd395303343b08",
         "type": "github"
       },
       "original": {
@@ -99,11 +99,11 @@
     "rust-analyzer-src": {
       "flake": false,
       "locked": {
-        "lastModified": 1748295258,
+        "lastModified": 1770026591,
-        "narHash": "sha256-ejRVtsT7fat4mGgDQpgIGKJP+vbr9r4Mo84jRb2bndk=",
+        "narHash": "sha256-VZlloygYDmozJwbZZkCSNpiPhNdOW/AA0b6LmNBZ3xU=",
         "owner": "rust-lang",
         "repo": "rust-analyzer",
-        "rev": "7fa66d67a72bcad236b50907e14f7464c47ecede",
+        "rev": "74eca73f3b0a41b80228b8e499c7547cc8b2effa",
         "type": "github"
       },
       "original": {
@@ -120,11 +120,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1725157860,
+        "lastModified": 1770088046,
-        "narHash": "sha256-DhqyM7XJYKj+WAEaYwMtXaYX66tA+lOd31sd5QkxLDM=",
+        "narHash": "sha256-4hfYDnUTvL1qSSZEA4CEThxfz+KlwSFQ30Z9jgDguO0=",
         "owner": "oxalica",
         "repo": "rust-overlay",
-        "rev": "1fd72e343c6890f695243a37b367a1e3b90a49ee",
+        "rev": "71f9daa4e05e49c434d08627e755495ae222bc34",
         "type": "github"
       },
       "original": {

parts/mize/src/core/config.rs

@@ -0,0 +1,46 @@
+use crate::MizeResult;
+use std::collections::HashMap;
+use std::sync::{Arc, RwLock};
+
+use crate::item::ItemData;
+use crate::Mize;
+
+type ConfigThunk = Box<dyn Fn() -> ItemData + Send + Sync>;
+
+pub struct ConfigOpt {
+    pub name: String,
+    pub val: Option<ItemData>,
+    pub thunk: Option<ConfigThunk>,
+}
+
+#[derive(Clone)]
+pub struct ConfigOptNameAndMize {
+    pub name: String,
+    pub mize: Mize,
+}
+
+impl ConfigOptNameAndMize {
+    pub fn default_val(self, val: ItemData) -> ConfigOptNameAndMize {
+        let mut config_opts = self.mize.config_opts.lock().unwrap();
+        let opt = config_opts.get_mut(&self.name).unwrap();
+        opt.val = Some(val);
+        self.clone()
+    }
+    pub fn fun(self, thunk: ConfigThunk) -> Self {
+        let mut config_opts = self.mize.config_opts.lock().unwrap();
+        let opt = config_opts.get_mut(&self.name).unwrap();
+        opt.thunk = Some(thunk);
+        self.clone()
+    }
+}
+
+pub fn gather_config(mize: &mut Mize) -> MizeResult<()> {
+    let mut config_opts = mize.config_opts.lock().unwrap();
+    let parts = mize.parts.lock().unwrap();
+
+    for part in parts.values() {
+        part.as_deref().unwrap().opts(&mut mize.clone());
+    }
+
+    Ok(())
+}

parts/mize/src/core/error.rs

@@ -1,16 +1,15 @@
+use colored::Colorize;
 use core::result::Result;
 use core::result::Result::Ok;
 use std::collections::HashMap;
+use std::fmt::format;
 use std::fmt::Debug;
 use std::fmt::Display;
-use std::fmt::format;
-use std::string::FromUtf8Error;
 use std::io;
-use colored::Colorize;
+use std::string::FromUtf8Error;
-use tracing::{trace, debug, info, warn, error};
+use tracing::{debug, error, info, trace, warn};
-
-use crate::proto::MizeMessage;
 
+//use crate::proto::MizeMessage;
 
 #[macro_export]
 macro_rules! mize_err {
@@ -26,7 +25,9 @@ pub trait MizeResultTrait<T> {
 
 pub trait IntoMizeResult<T, S> {
     fn mize_result(self) -> MizeResult<T>;
-    fn mize_result_msg(self, msg: S) -> MizeResult<T> where S: std::fmt::Display ;
+    fn mize_result_msg(self, msg: S) -> MizeResult<T>
+    where
+        S: std::fmt::Display;
 }
 
 #[derive(Debug, Clone)]
@@ -34,16 +35,18 @@ pub struct MizeError {
     pub category: Vec<String>,
     pub code: u32,
     pub messages: Vec<String>,
-    pub caused_by_msg: Option<CausedByMessage>,
+    //pub caused_by_msg: Option<CausedByMessage>,
     pub code_location: Option<MizeCodeLocation>,
     pub backtrace: String,
 }
 
+/*
 #[derive(Debug, Clone)]
 pub struct CausedByMessage {
     // peer: &Connection, // TODO: add later
     msg: Box<MizeMessage>,
 }
+*/
 
 #[derive(Debug, Clone)]
 pub struct MizeCodeLocation {
@@ -54,7 +57,11 @@ pub struct MizeCodeLocation {
 
 impl Display for MizeCodeLocation {
     fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
-        write!(f, "file: {} line: {} column: {}", self.file, self.line, self.column)
+        write!(
+            f,
+            "file: {} line: {} column: {}",
+            self.file, self.line, self.column
+        )
     }
 }
 
@@ -88,20 +95,23 @@ impl MizeError {
             category: Vec::new(),
             code: 0,
             messages: Vec::new(),
-            caused_by_msg: None,
             code_location: Some(caller_location.into()),
             backtrace: format!("{}", std::backtrace::Backtrace::capture()),
-        }
+        };
     }
 
     pub fn msg<E>(mut self, msg: E) -> MizeError
-        where E: std::fmt::Display
+    where
+        E: std::fmt::Display,
     {
         self.messages.push(format!("{}", msg));
         return self;
     }
 
-    pub fn category<T>(mut self, category: T) -> MizeError where T: Into<String> {
+    pub fn category<T>(mut self, category: T) -> MizeError
+    where
+        T: Into<String>,
+    {
         self.category.push(category.into());
         return self;
     }
@@ -139,10 +149,15 @@ impl MizeError {
         match msg_iter.next() {
             None => {
                 error!("{} MizeError with code: {}", "CRITICAL".red(), self.code);
-            },
+            }
             Some(msg) => {
-                error!("{} MizeError with code: {} - {}", "CRITICAL".red(), self.code, msg);
+                error!(
-            },
+                    "{} MizeError with code: {} - {}",
+                    "CRITICAL".red(),
+                    self.code,
+                    msg
+                );
+            }
         }
         for msg in msg_iter {
             error!("{} {}", "MSG".red(), msg)
@@ -150,23 +165,16 @@ impl MizeError {
         if let Some(location) = self.code_location {
             error!("{} {}", "LOCATION".red(), location)
         }
-        if let Some(caused_by_msg) = self.caused_by_msg {
-            error!("{} {:?}", "CAUSED_BY_MESSAGE".red(), caused_by_msg)
-        }
         panic!();
     }
 
     pub fn location(mut self, location: MizeCodeLocation) -> MizeError {
-
         self.code_location = Some(location);
 
         self
     }
-
-
 }
 
-
 /*
 pub trait MizeResultExtension<T> {
     fn extra_msg<E>(self, msg: E) -> Result<T, MizeError>
@@ -221,7 +229,11 @@ impl<T: Display> From<T> for MizeError {
     fn from(value: T) -> Self {
         let caller_location = std::panic::Location::caller();
         MizeError::new()
-            .msg(format!("From {}: {}", std::any::type_name_of_val(&value), value))
+            .msg(format!(
+                "From {}: {}",
+                std::any::type_name_of_val(&value),
+                value
+            ))
             .location(caller_location.into())
     }
 }
@@ -233,58 +245,74 @@ impl <T> MizeResultTrait<T> for MizeResult<T> {
             Err(err) => {
                 err.critical();
                 unreachable!()
-            },
+            }
         }
     }
     fn as_std(self) -> Result<T, MizeErrorWhichImplementsError> {
         match self {
             Ok(val) => Ok(val),
-            Err(err) => {
+            Err(err) => Err(MizeErrorWhichImplementsError { inner: err }),
-                Err(MizeErrorWhichImplementsError { inner: err })
-            },
         }
     }
 }
 
-impl<T, E, S> IntoMizeResult<T, S> for Result<T, E> where E: std::fmt::Display {
+impl<T, E, S> IntoMizeResult<T, S> for Result<T, E>
+where
+    E: std::fmt::Display,
+{
     #[track_caller]
     fn mize_result(self) -> MizeResult<T> {
         let caller_location = std::panic::Location::caller();
 
         match self {
             Ok(val) => MizeResult::Ok(val),
-            Err(err) => MizeResult::Err(MizeError::new()
+            Err(err) => MizeResult::Err(MizeError::new().category("misc").msg(format!(
-                .category("misc")
+                "From {}: {}",
-                .msg(format!("From {}: {}", std::any::type_name_of_val(&err), err))),
+                std::any::type_name_of_val(&err),
+                err
+            ))),
         }
     }
     #[track_caller]
-    fn mize_result_msg(self, msg: S) -> MizeResult<T> where S: std::fmt::Display {
+    fn mize_result_msg(self, msg: S) -> MizeResult<T>
+    where
+        S: std::fmt::Display,
+    {
         let caller_location = std::panic::Location::caller();
         match self {
             Ok(val) => MizeResult::Ok(val),
-            Err(err) => MizeResult::Err(MizeError::new()
+            Err(err) => MizeResult::Err(
+                MizeError::new()
                     .category("misc")
                     .msg(format!("{}", msg))
-                .msg(format!("From {}: {}", std::any::type_name_of_val(&err), err))),
+                    .msg(format!(
+                        "From {}: {}",
+                        std::any::type_name_of_val(&err),
+                        err
+                    )),
+            ),
         }
     }
 }
 
-
 fn get_error_by_code(code: u32, caller_location: &std::panic::Location) -> MizeError {
     let err = MizeError {
         category: Vec::new(),
         code: 0,
         messages: Vec::new(),
-        caused_by_msg: None,
         code_location: Some(caller_location.into()),
         backtrace: format!("{}", std::backtrace::Backtrace::capture()),
     };
 
     match code {
-        109 => err.set_code(109).category("decoding").msg("conversion from utf8 failed"),
+        109 => err
-        108 => err.set_code(108).category("decoding").msg("serde deserialisation failed"),
+            .set_code(109)
+            .category("decoding")
+            .msg("conversion from utf8 failed"),
+        108 => err
+            .set_code(108)
+            .category("decoding")
+            .msg("serde deserialisation failed"),
         _ => err,
     }
 }
@@ -318,5 +346,3 @@ impl From<MizeError> for MizeErrorWhichImplementsError {
 }
 
 impl std::error::Error for MizeErrorWhichImplementsError {}
-
-

parts/mize/src/core/id.rs

@@ -1,11 +1,17 @@
 use core::fmt;
-use std::{collections::binary_heap::Iter, fmt::write, hash::Hash};
+use interner::{
-use interner::{shared::{SharedPool, SharedString, SharedVecString}, Pooled};
+    shared::{SharedPool, SharedString, SharedVecString},
+    Pooled,
+};
 use std::collections::hash_map::RandomState;
 use std::path::Path;
+use std::{collections::binary_heap::Iter, fmt::write, hash::Hash};
 
-use crate::{instance::{store::Store, Instance}, mize_err};
+use crate::error::{MizeError, MizeResult, MizeResultTrait};
-use crate::error::{MizeResult, MizeError, MizeResultTrait};
+use crate::{
+    instance::{store::Store, Mize},
+    mize_err,
+};
 
 #[derive(Debug, Clone, Hash, Eq, PartialEq)]
 pub struct MizeId {
@@ -28,14 +34,16 @@ impl Namespace {
 }
 
 pub trait IntoMizeId {
-    fn to_mize_id(self, instance: &Instance) -> MizeResult<MizeId>;
+    fn to_mize_id(self, instance: &Mize) -> MizeResult<MizeId>;
 }
 
-
 impl MizeId {
     pub fn store_part(&self) -> &str {
-        self.path.iter().nth(0)
+        self.path
-            .expect("an empty MizeId found, that should absolutely not be possible!!!!").as_str()
+            .iter()
+            .nth(0)
+            .expect("an empty MizeId found, that should absolutely not be possible!!!!")
+            .as_str()
     }
 
     pub fn nth_part(&self, n: usize) -> MizeResult<&str> {
@@ -74,34 +82,37 @@ impl fmt::Display for MizeId {
 }
 
 impl IntoMizeId for &str {
-    fn to_mize_id(self, instance: &Instance) -> MizeResult<MizeId> {
+    fn to_mize_id(self, instance: &Mize) -> MizeResult<MizeId> {
         instance.id_from_string(self.to_owned())
     }
 }
 
 impl IntoMizeId for String {
-    fn to_mize_id(self, instance: &Instance) -> MizeResult<MizeId> {
+    fn to_mize_id(self, instance: &Mize) -> MizeResult<MizeId> {
         instance.id_from_string(self)
     }
 }
 impl IntoMizeId for &String {
-    fn to_mize_id(self, instance: &Instance) -> MizeResult<MizeId> {
+    fn to_mize_id(self, instance: &Mize) -> MizeResult<MizeId> {
         instance.id_from_string(self.to_owned())
     }
 }
 impl IntoMizeId for Vec<String> {
-    fn to_mize_id(self, instance: &Instance) -> MizeResult<MizeId> {
+    fn to_mize_id(self, instance: &Mize) -> MizeResult<MizeId> {
         instance.id_from_vec_string(self)
     }
 }
 impl IntoMizeId for Vec<&String> {
-    fn to_mize_id(self, instance: &Instance) -> MizeResult<MizeId> {
+    fn to_mize_id(self, instance: &Mize) -> MizeResult<MizeId> {
-        let owned = self.into_iter().map(|s| s.to_owned()).collect::<Vec<String>>();
+        let owned = self
+            .into_iter()
+            .map(|s| s.to_owned())
+            .collect::<Vec<String>>();
         instance.id_from_vec_string(owned)
     }
 }
 impl IntoMizeId for &[&str] {
-    fn to_mize_id(self, instance: &Instance) -> MizeResult<MizeId> {
+    fn to_mize_id(self, instance: &Mize) -> MizeResult<MizeId> {
         let mut vec: Vec<String> = Vec::new();
         for i in self {
             vec.push((*i).to_owned())
@@ -110,7 +121,7 @@ impl IntoMizeId for &[&str] {
     }
 }
 impl IntoMizeId for Vec<&str> {
-    fn to_mize_id(self, instance: &Instance) -> MizeResult<MizeId> {
+    fn to_mize_id(self, instance: &Mize) -> MizeResult<MizeId> {
         let mut vec: Vec<String> = Vec::new();
         for i in self {
             vec.push((*i).to_owned())
@@ -119,7 +130,7 @@ impl IntoMizeId for Vec<&str> {
     }
 }
 impl IntoMizeId for MizeId {
-    fn to_mize_id(self, instance: &Instance) -> MizeResult<MizeId> {
+    fn to_mize_id(self, instance: &Mize) -> MizeResult<MizeId> {
         Ok(self)
     }
 }
@@ -134,26 +145,34 @@ impl IntoMizeId for MizeId {
 //}
 //}
 
-
 #[cfg(test)]
 mod test {
-    use crate::instance::Instance;
+    use crate::instance::Mize;
 
     use super::*;
 
     #[test]
     fn test_id() -> MizeResult<()> {
-        let instance = Instance::empty()?;
+        let instance = Mize::empty()?;
 
         let id_one = instance.new_id("0/config/hi")?;
         assert_eq!(instance.get_namespace()?, id_one.namespace());
         assert_eq!("0", id_one.store_part());
-        assert_eq!(vec!["config".to_owned(), "hi".to_owned()], id_one.after_store_part());
+        assert_eq!(
+            vec!["config".to_owned(), "hi".to_owned()],
+            id_one.after_store_part()
+        );
 
         let id_two = instance.new_id("test.ns:hello/config/hi")?;
-        assert_eq!(instance.namespace_from_string("test.ns".to_owned())?, id_two.namespace());
+        assert_eq!(
+            instance.namespace_from_string("test.ns".to_owned())?,
+            id_two.namespace()
+        );
         assert_eq!("hello", id_two.store_part());
-        assert_eq!(vec!["config".to_owned(), "hi".to_owned()], id_one.after_store_part());
+        assert_eq!(
+            vec!["config".to_owned(), "hi".to_owned()],
+            id_one.after_store_part()
+        );
 
         let id_three = instance.new_id("0/")?;
         assert_eq!(instance.get_namespace()?, id_three.namespace());
@@ -161,7 +180,10 @@ mod test {
         assert_eq!(Vec::<String>::new(), id_three.after_store_part());
 
         let id_four = instance.new_id("test.ns:0/")?;
-        assert_eq!(instance.namespace_from_string("test.ns".to_owned())?, id_four.namespace());
+        assert_eq!(
+            instance.namespace_from_string("test.ns".to_owned())?,
+            id_four.namespace()
+        );
         assert_eq!("0", id_four.store_part());
         assert_eq!(Vec::<String>::new(), id_four.after_store_part());
 
@@ -172,9 +194,6 @@ mod test {
 
         //TODO: add the parsing form mize:// urls....
 
-
         Ok(())
     }
-
-
 }

parts/mize/src/core/instance/connection.rs

@@ -1,12 +1,12 @@
-use flume::{Sender, Receiver};
+use flume::{Receiver, Sender};
-use tracing::{trace, debug, info, warn, error};
+use tracing::{debug, error, info, trace, warn};
 
+use crate::error::{IntoMizeResult, MizeError, MizeResult};
 use crate::id::Namespace;
 use crate::mize_err;
 use crate::proto::MizeMessage;
-use crate::error::{MizeError, MizeResult, IntoMizeResult};
 
-use super::Instance;
+use super::Mize;
 use crate::item::{get_raw_from_cbor, Item, ItemData};
 
 // only created with Instance::new_connection()
@@ -18,7 +18,7 @@ pub struct Connection {
 }
 
 pub trait ConnListener: Send + Sync {
-    fn listen(self, instance: Instance) -> MizeResult<()>;
+    fn listen(self, instance: Mize) -> MizeResult<()>;
 }
 
 impl Connection {
@@ -55,5 +55,3 @@ pub fn value_raw_from_peer(item: &mut Item) -> MizeResult<ItemData> {
 
     return Ok(data);
 }
-
-

parts/mize/src/core/instance/mod.rs

@@ -1,46 +1,48 @@
+use colored::Colorize;
 use core::fmt;
+use flume::{bounded, unbounded, Receiver, Sender};
+use interner::shared::{StringPool, VecStringPool};
+use std::any::Any;
 use std::collections::HashMap;
 use std::fs::create_dir;
-use std::{thread, vec};
+use std::fs::File;
-use flume::{bounded, Receiver, Sender, unbounded};
+use std::ops::{Deref, DerefMut};
+use std::path::{Path, PathBuf};
 use std::sync::{Arc, Mutex};
+use std::{thread, vec};
 use tracing::{debug, error, info, trace, warn, Instrument};
 use uuid::Uuid;
-use std::fs::File;
-use colored::Colorize;
-use std::path::{Path, PathBuf};
-use interner::shared::{VecStringPool, StringPool};
 
-
+use crate::config::ConfigOptNameAndMize;
-use crate::error::{MizeError, MizeResult, IntoMizeResult, MizeResultTrait};
+use crate::config::{gather_config, ConfigOpt};
-use crate::instance::store::Store;
+use crate::error::{IntoMizeResult, MizeError, MizeResult, MizeResultTrait};
-use crate::instance::updater::{ updater_thread, updater_thread_async };
 use crate::id::{IntoMizeId, MizeId, Namespace};
+use crate::instance::store::Store;
 use crate::instance::subscription::Subscription;
+use crate::instance::updater::Operation;
+use crate::instance::updater::{updater_thread, updater_thread_async};
 use crate::item::{Item, ItemData};
 use crate::memstore::MemStore;
-use crate::instance::updater::Operation;
-use crate::{mize_err, Module};
 use crate::proto::MizeMessage;
+use crate::{mize_err, Module};
 
 use self::connection::{ConnListener, Connection};
 use self::updater::handle_operation;
 
-#[cfg(feature = "async")]
-use tokio::runtime::Runtime;
 #[cfg(feature = "async")]
 use tokio::runtime::Handle;
+#[cfg(feature = "async")]
+use tokio::runtime::Runtime;
 
 use core::future::Future;
 use std::thread::JoinHandle;
 
 pub mod connection;
+pub mod module;
+pub mod msg_thread;
 pub mod store;
 pub mod subscription;
 pub mod updater;
-pub mod msg_thread;
-pub mod module;
-
 
 // console_log macro
 // that can be copied into other files for debugging purposes
@@ -61,8 +63,17 @@ macro_rules! console_log {
     ($($t:tt)*) => (unsafe { log(&format_args!($($t)*).to_string())})
 }
 
-
+#[macro_export]
-
+macro_rules! add_parts {
+    ($mize:expr, $($part:expr),+) => {
+        $(
+            $mize.add_part(
+                Box::new($part)
+            );
+        )+
+        mize.init_parts();
+    };
+}
 
 #[cfg(test)]
 mod tests;
@@ -73,8 +84,8 @@ static BUILD_TIME_CONFIG: &str = include_str!(std::env!("MIZE_BUILD_CONFIG"));
 
 /// The Instance type is the heart of the mize system
 #[derive(Clone)]
-pub struct Instance {
+pub struct Mize {
-    // a bit a lot of Mutexes isn-it???
+    // a bit a lot of Mutexes isn't it???
     pub store: Arc<Mutex<Box<dyn Store>>>,
     connections: Arc<Mutex<Vec<Connection>>>,
     next_con_id: Arc<Mutex<u64>>,
@@ -83,6 +94,12 @@ pub struct Instance {
     pub id_pool: Arc<Mutex<VecStringPool>>,
     pub namespace_pool: Arc<Mutex<StringPool>>,
 
+    pub(crate) parts: Arc<Mutex<HashMap<&'static str, Option<Box<dyn MizePart + Sync + Send>>>>>,
+
+    part_names: Arc<Mutex<Vec<&'static str>>>,
+
+    pub config_opts: Arc<Mutex<HashMap<String, ConfigOpt>>>,
+
     // the namespace the instance operates in
     pub namespace: Arc<Mutex<Namespace>>,
 
@@ -100,18 +117,84 @@ pub struct Instance {
 }
 
 pub struct InstanceRef {
-    inner: Arc<Mutex<Instance>>,
+    inner: Arc<Mutex<Mize>>,
 }
 
 pub struct InstanceAsync {
-    inner: Arc<Mutex<Instance>>,
+    inner: Arc<Mutex<Mize>>,
 }
 
+pub struct DynMizePartGuard {
+    pub mize: Mize,
+    pub part: Option<Box<dyn MizePart + Send + Sync>>,
+}
 
-impl Instance {
+pub struct MizePartGuard<T: MizePart + Send + Sync> {
-    pub fn empty() -> MizeResult<Instance> {
+    pub mize: Mize,
+    pub part: Option<T>,
+}
 
+impl<T: MizePart + Send + Sync + Deref<Target = T>> Deref for MizePartGuard<T> {
+    type Target = T;
 
+    fn deref(&self) -> &Self::Target {
+        &*self.part.as_deref().unwrap()
+    }
+}
+
+impl<T: MizePart + Send + Sync + DerefMut<Target = T>> DerefMut for MizePartGuard<T> {
+    fn deref_mut(&mut self) -> &mut Self::Target {
+        &mut *self.part.as_deref_mut().unwrap()
+    }
+}
+
+impl<T: MizePart + Send + Sync> Drop for MizePartGuard<T> {
+    fn drop(&mut self) {
+        let part = self.part.take().unwrap();
+        self.mize.give_back_part(Box::new(part));
+    }
+}
+
+impl Deref for DynMizePartGuard {
+    type Target = dyn MizePart + Send + Sync;
+
+    fn deref(&self) -> &Self::Target {
+        &*self.part.as_deref().unwrap()
+    }
+}
+
+impl DerefMut for DynMizePartGuard {
+    fn deref_mut(&mut self) -> &mut Self::Target {
+        &mut *self.part.as_deref_mut().unwrap()
+    }
+}
+
+impl Drop for DynMizePartGuard {
+    fn drop(&mut self) {
+        self.mize.give_back_part(self.part.take().unwrap());
+    }
+}
+
+pub trait MizePart: Any + Send + Sync {
+    fn name(&self) -> &'static str;
+    fn get_mize(&mut self) -> &mut Mize;
+    fn init(&mut self, mize: &mut Mize) -> MizeResult<()> {
+        Ok(())
+    }
+    fn run(&mut self, mize: &mut Mize) -> MizeResult<()> {
+        Ok(())
+    }
+    fn deps(&self) -> &'static [&'static str] {
+        &[]
+    }
+    fn opts(&self, mize: &mut Mize) {}
+    fn as_any(&self) -> &dyn Any;
+    fn as_any_mut(&self) -> &dyn Any;
+    fn into_any(self: Box<Self>) -> Box<dyn Any>;
+}
+
+impl Mize {
+    pub fn empty() -> MizeResult<Mize> {
         let id_pool = Arc::new(Mutex::new(VecStringPool::default()));
         let namespace_pool_raw = StringPool::default();
         let connections = Arc::new(Mutex::new(Vec::new()));
@@ -119,27 +202,38 @@ impl Instance {
         let (op_tx, op_rx) = unbounded();
         let give_msg_wait = Arc::new(Mutex::new(HashMap::new()));
         let create_msg_wait = Arc::new(Mutex::new(None));
-        let namespace = Arc::new(Mutex::new(Namespace ( namespace_pool_raw.get("mize.default.namespace") )));
+        let namespace = Arc::new(Mutex::new(Namespace(
-        let self_namespace = Arc::new(Mutex::new(Namespace ( namespace_pool_raw.get("mize.default.namespace") )));
+            namespace_pool_raw.get("mize.default.namespace"),
+        )));
+        let self_namespace = Arc::new(Mutex::new(Namespace(
+            namespace_pool_raw.get("mize.default.namespace"),
+        )));
 
-
+        let mut instance = Mize {
-        let mut instance = Instance { 
             store: Arc::new(Mutex::new(Box::new(MemStore::new()))),
-            connections, subs, id_pool,
+            parts: Arc::new(Mutex::new(HashMap::new())),
-            namespace, self_namespace, op_tx,
+            part_names: Arc::new(Mutex::new(Vec::new())),
+            config_opts: Arc::new(Mutex::new(HashMap::new())),
+            connections,
+            subs,
+            id_pool,
+            namespace,
+            self_namespace,
+            op_tx,
             namespace_pool: Arc::new(Mutex::new(namespace_pool_raw)),
             modules: Arc::new(Mutex::new(HashMap::new())),
             threads: Arc::new(Mutex::new(Vec::new())),
             next_thread_id: Arc::new(Mutex::new(0)),
             next_con_id: Arc::new(Mutex::new(1)),
-            give_msg_wait, create_msg_wait,
+            give_msg_wait,
+            create_msg_wait,
 
             #[cfg(feature = "async")]
-            runtime: Arc::new(Mutex::new(Runtime::new().mize_result_msg("Could not create async runtime")?)),
+            runtime: Arc::new(Mutex::new(
+                Runtime::new().mize_result_msg("Could not create async runtime")?,
+            )),
         };
 
-
-
         #[cfg(feature = "os-target")]
         {
             let instance_clone = instance.clone();
@@ -152,7 +246,6 @@ impl Instance {
             instance.spawn("updater_thread", closure_two)?;
         }
 
-
         // set up async update "threads" when using wasm
         #[cfg(feature = "wasm-target")]
         {
@@ -180,34 +273,55 @@ impl Instance {
         #[cfg(feature = "wasm-target")]
         console_log!("after loading build time config");
 
-
         return Ok(instance);
     }
 
-    pub fn new() -> MizeResult<Instance> {
+    pub fn new() -> MizeResult<Mize> {
         trace!("[ {} ] Instance::new()", "CALL".yellow());
 
-
+        let mut instance = Mize::empty()?;
-        let mut instance = Instance::empty()?;
-
 
         instance.init();
 
-
+        debug!(
-        debug!("instance inited with config: {}", instance.get("0/config")?.as_data_full()?);
+            "instance inited with config: {}",
-
+            instance.get("0/config")?.as_data_full()?
+        );
 
         return Ok(instance);
     }
 
+    pub fn get_part(&mut self, name: &str) -> MizeResult<DynMizePartGuard> {
+        match self.parts.lock().unwrap().get_mut(name) {
+            Some(part) => Ok(DynMizePartGuard {
+                part: Some(part.take().unwrap()),
+                mize: self.clone(),
+            }),
+            None => Err(mize_err!("Part not found or currently taken")),
+        }
+    }
+    pub fn add_part(&mut self, part: Box<dyn MizePart>) -> MizeResult<()> {
+        self.part_names.lock().unwrap().push(part.name());
+        self.parts.lock().unwrap().insert(part.name(), Some(part));
+        Ok(())
+    }
+    fn part_names(&mut self) -> Vec<&'static str> {
+        self.part_names.lock().unwrap().clone()
+    }
+
+    pub(crate) fn give_back_part(&mut self, part: Box<dyn MizePart + Send + Sync>) {
+        self.parts.lock().unwrap().insert(part.name(), Some(part));
+    }
+
     pub fn init(&mut self) -> MizeResult<()> {
+        // gather options
+        gather_config(self)?;
 
         // platform specific init code
         crate::platform::any::instance_init(self)?;
 
         // end of platform specific init code
 
-
         // load the modules, ad specified in the load_modules config
         match self.get("0/config/load_modules")?.value_string() {
             Ok(modules_to_load) => {
@@ -216,23 +330,21 @@ impl Instance {
                     console_log!("loading module in Instance::init() ... {}", module);
                     self.load_module(module)?;
                 }
-            },
+            }
             Err(err) => {
                 // no load_modules option is set
             }
         }
 
-
-
         debug!("INSTANCE INIT DONE");
         Ok(())
     }
 
-    pub fn with_config(config: ItemData) -> MizeResult<Instance> {
+    pub fn with_config(config: ItemData) -> MizeResult<Mize> {
         trace!("[ {} ] Instance::with_config()", "CALL".yellow());
         trace!("config: {}", config);
 
-        let mut instance = Instance::empty()?;
+        let mut instance = Mize::empty()?;
 
         instance.set_blocking("0", config);
 
@@ -254,7 +366,7 @@ impl Instance {
 
             let id_of_new_store = new_store.new_id()?;
             new_store.set(self.id_from_string(id_of_new_store)?, data.to_owned())?;
-        };
+        }
 
         *old_store = new_store;
 
@@ -298,8 +410,15 @@ impl Instance {
         Ok(())
     }
 
-    pub fn set_blocking<I: IntoMizeId, V: Into<ItemData>>(&self, id: I, value: V) -> MizeResult<()> {
+    pub fn set_blocking<I: IntoMizeId, V: Into<ItemData>>(
-        handle_operation(&mut Operation::Set(id.to_mize_id(self)?, value.into(), None), self)?;
+        &self,
+        id: I,
+        value: V,
+    ) -> MizeResult<()> {
+        handle_operation(
+            &mut Operation::Set(id.to_mize_id(self)?, value.into(), None),
+            self,
+        )?;
         Ok(())
     }
 
@@ -309,7 +428,7 @@ impl Instance {
         match subs_inner.get_mut(&id) {
             Some(vec) => {
                 vec.push(sub);
-            },
+            }
             None => {
                 subs_inner.insert(id.clone(), vec![sub]);
             }
@@ -330,26 +449,43 @@ impl Instance {
     }
 
     pub fn id_from_string(&self, string: String) -> MizeResult<MizeId> {
-        let vec_string: Vec<String> = string.split("/").map(|v| v.to_owned()).filter(|el| el.as_str() != "").collect();
+        let vec_string: Vec<String> = string
+            .split("/")
+            .map(|v| v.to_owned())
+            .filter(|el| el.as_str() != "")
+            .collect();
         self.id_from_vec_string(vec_string)
     }
 
     pub fn id_from_vec_string(&self, mut vec_string: Vec<String>) -> MizeResult<MizeId> {
         let id_pool_inner = self.id_pool.lock()?;
         let namespace_inner = self.namespace.lock()?;
-        let first_el = vec_string.first_mut().ok_or(mize_err!("MizeId was empty"))?;
+        let first_el = vec_string
+            .first_mut()
+            .ok_or(mize_err!("MizeId was empty"))?;
 
-        let id = if first_el.contains(":") { // first el is a namespace + store_part
+        let id = if first_el.contains(":") {
+            // first el is a namespace + store_part
             let new_first_el = first_el.clone();
             let vec: Vec<&str> = new_first_el.split(":").collect();
-            let ns_part = vec.iter().nth(0).ok_or(mize_err!("should really not happen"))?;
+            let ns_part = vec
-            let store_part = vec.iter().nth(1).ok_or(mize_err!("mizeid was like 'namespace:/hi', why are you doing that"))?;
+                .iter()
+                .nth(0)
+                .ok_or(mize_err!("should really not happen"))?;
+            let store_part = vec.iter().nth(1).ok_or(mize_err!(
+                "mizeid was like 'namespace:/hi', why are you doing that"
+            ))?;
             *first_el = store_part.to_owned().to_owned();
 
-            MizeId { path: id_pool_inner.get(vec_string), namespace: self.namespace_from_string(ns_part.to_owned().to_owned())? }
+            MizeId {
+                path: id_pool_inner.get(vec_string),
+                namespace: self.namespace_from_string(ns_part.to_owned().to_owned())?,
+            }
         } else {
-
+            MizeId {
-            MizeId { path: id_pool_inner.get(vec_string), namespace: namespace_inner.clone() }
+                path: id_pool_inner.get(vec_string),
+                namespace: namespace_inner.clone(),
+            }
         };
         trace!("new MizeId made: {:?}", id);
 
@@ -373,7 +509,10 @@ impl Instance {
     pub fn get_module(&mut self, name: &str) -> MizeResult<Box<dyn Module + Send + Sync>> {
         let inner = self.modules.lock()?;
 
-        let module = inner.get(name).ok_or(mize_err!("Couldn't get_module('{name}')"))?.clone_module();
+        let module = inner
+            .get(name)
+            .ok_or(mize_err!("Couldn't get_module('{name}')"))?
+            .clone_module();
 
         Ok(module)
     }
@@ -416,7 +555,11 @@ impl Instance {
         let mut next_con_id = self.next_con_id.lock()?;
         let old_next_con_id = *next_con_id;
 
-        let connection = Connection { id: next_con_id.to_owned(), tx, ns: None};
+        let connection = Connection {
+            id: next_con_id.to_owned(),
+            tx,
+            ns: None,
+        };
         conn_inner.push(connection);
         *next_con_id += 1;
         Ok(old_next_con_id)
@@ -425,7 +568,12 @@ impl Instance {
     pub fn new_connection_join_namespace(&self, tx: Sender<MizeMessage>) -> MizeResult<u64> {
         let conn_id = self.new_connection(tx)?;
 
-        let ns_of_peer_str = self.get(format!("inst/con_by_id/{}/peer/0/config/namespace", conn_id))?.value_string()?;
+        let ns_of_peer_str = self
+            .get(format!(
+                "inst/con_by_id/{}/peer/0/config/namespace",
+                conn_id
+            ))?
+            .value_string()?;
         let ns_of_peer = self.namespace_from_string(ns_of_peer_str)?;
 
         self.connection_set_namespace(conn_id, ns_of_peer.clone());
@@ -459,7 +607,10 @@ impl Instance {
             }
         }
 
-        return Err(mize_err!("Connection with id {} not known to instance", conn_id));
+        return Err(mize_err!(
+            "Connection with id {} not known to instance",
+            conn_id
+        ));
         Ok(())
     }
 
@@ -472,7 +623,10 @@ impl Instance {
             }
         }
 
-        return Err(mize_err!("Connection with id {} not known to instance", conn_id));
+        return Err(mize_err!(
+            "Connection with id {} not known to instance",
+            conn_id
+        ));
     }
 
     pub fn get_connection_by_ns(&self, ns: Namespace) -> MizeResult<Connection> {
@@ -484,11 +638,17 @@ impl Instance {
             }
         }
 
-        return Err(mize_err!("Connection with namespace {} not known to instance", ns.as_string()));
+        return Err(mize_err!(
+            "Connection with namespace {} not known to instance",
+            ns.as_string()
+        ));
     }
 
-    pub fn spawn(&mut self, name: &str, func: impl FnOnce() -> MizeResult<()> + Send + 'static) -> MizeResult<()> {
+    pub fn spawn(
-
+        &mut self,
+        name: &str,
+        func: impl FnOnce() -> MizeResult<()> + Send + 'static,
+    ) -> MizeResult<()> {
         let mut threads_inner = self.threads.lock()?;
         let mut next_thread_id = self.next_thread_id.lock()?;
 
@@ -504,10 +664,14 @@ impl Instance {
             func()?;
 
             let mut threads_inner = thread_mutex.lock()?;
-            *threads_inner = threads_inner.clone().into_iter().filter(|el| match el {
+            *threads_inner = threads_inner
+                .clone()
+                .into_iter()
+                .filter(|el| match el {
                     (my_thread_id, _) => false,
                     (_, _) => true,
-            }).collect();
+                })
+                .collect();
             debug!("thread '{}' stopped", name_to_move);
             Ok(())
         };
@@ -528,7 +692,6 @@ impl Instance {
     }
 
     pub fn give_msg_wait(&self, id: MizeId) -> MizeResult<ItemData> {
-
         let mut give_msg_wait_inner = self.give_msg_wait.lock()?;
 
         let (tx, rx) = bounded::<ItemData>(1);
@@ -552,9 +715,12 @@ impl Instance {
         return Ok(data);
     }
 
-
     #[cfg(feature = "async")]
-    pub fn spawn_async<F: Future<Output = impl Send + 'static> + Send + 'static>(&mut self, name: &str, func: F) -> MizeResult<()> {
+    pub fn spawn_async<F: Future<Output = impl Send + 'static> + Send + 'static>(
+        &mut self,
+        name: &str,
+        func: F,
+    ) -> MizeResult<()> {
         let mut threads_inner = self.threads.lock()?;
         let mut next_thread_id = self.next_thread_id.lock()?;
 
@@ -567,7 +733,6 @@ impl Instance {
         Ok(())
     }
 
-
     #[cfg(feature = "async")]
     pub fn async_get_handle(&self) -> Handle {
         let runtime_inner = self.runtime.lock().unwrap();
@@ -576,10 +741,21 @@ impl Instance {
     }
 
     #[cfg(feature = "async")]
-    pub fn spawn_async_blocking<F: Future<Output = impl Send + Sync + 'static> + Send + Sync + 'static>(&mut self, name: &str, func: F) -> F::Output {
+    pub fn spawn_async_blocking<
-
+        F: Future<Output = impl Send + Sync + 'static> + Send + Sync + 'static,
-        let mut threads_inner = self.threads.lock().expect("mutex lock failed in spawn_async_blocking");
+    >(
-        let mut next_thread_id = self.next_thread_id.lock().expect("mutex lock failed in spawn_async_blocking");
+        &mut self,
+        name: &str,
+        func: F,
+    ) -> F::Output {
+        let mut threads_inner = self
+            .threads
+            .lock()
+            .expect("mutex lock failed in spawn_async_blocking");
+        let mut next_thread_id = self
+            .next_thread_id
+            .lock()
+            .expect("mutex lock failed in spawn_async_blocking");
 
         threads_inner.push((*next_thread_id, name.to_owned()));
         let runtime_inner = self.runtime.lock().unwrap();
@@ -592,7 +768,6 @@ impl Instance {
 
         let result = handle.block_on(func);
 
-
         return result;
     }
 
@@ -603,15 +778,60 @@ impl Instance {
         }
     }
 
-
     pub fn report_error(err: MizeError) {
         err.log();
     }
+
+    pub fn get_config(&mut self, name: &str) -> MizeResult<ItemData> {
+        let mut config_opts = self.config_opts.lock().unwrap();
+
+        let opt = config_opts
+            .get_mut(name)
+            .ok_or_else(|| mize_err!("Config opt for {name} not in config_opts"))?;
+
+        // get the cached value
+        if let Some(val) = opt.val.clone() {
+            return Ok(val);
         }
 
-impl fmt::Debug for Instance {
+        // Evaluate the thunk
+        let thunk = opt
+            .thunk
+            .take()
+            .ok_or_else(|| mize_err!("ConfigOpt {name} does not have a thunk"))?;
+        let result = thunk();
+
+        // Cache the result
+        opt.val = Some(result.clone());
+
+        return Ok(result);
+    }
+
+    pub fn new_opt(&mut self, name: &str) -> ConfigOptNameAndMize {
+        let mut config_opts = self.config_opts.lock().unwrap();
+        let opt = ConfigOpt {
+            name: name.to_owned(),
+            val: None,
+            thunk: None,
+        };
+        config_opts.insert(name.to_string(), opt);
+        ConfigOptNameAndMize {
+            name: name.to_string(),
+            mize: self.clone(),
+        }
+    }
+
+    pub fn run(&mut self) -> MizeResult<()> {
+        let mut parts = self.parts.lock().unwrap();
+        for part in parts.values_mut() {
+            part.as_deref_mut().unwrap().run(&mut self.clone())?;
+        }
+        Ok(())
+    }
+}
+
+impl fmt::Debug for Mize {
     fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
         write!(f, "Mize Instance with subs: {:?}", self.subs,)
     }
 }
-

parts/mize/src/core/instance/module.rs

@@ -1,29 +1,25 @@
-
-
 // https://users.rust-lang.org/t/casting-between-trait-object-types/97220/2
 
 use std::ffi::OsString;
 
-use crate::instance::Instance;
 use crate::error::MizeResult;
+use crate::instance::Mize;
 
-pub trait Module: {
+pub trait Module {
-    fn init(&mut self, instance: &Instance) -> MizeResult<()>;
+    fn init(&mut self, instance: &Mize) -> MizeResult<()>;
 
-    fn exit(&mut self, instance: &Instance) -> MizeResult<()>;
+    fn exit(&mut self, instance: &Mize) -> MizeResult<()>;
 
     fn clone_module(&self) -> Box<dyn Module + Send + Sync>;
 
-
     // extra traits, that can be implemented
     // return None if not implemented
 
-    fn run_cli(&mut self, instance: &Instance, cmd_line: Vec<OsString>) -> Option<MizeResult<()>> {
+    fn run_cli(&mut self, instance: &Mize, cmd_line: Vec<OsString>) -> Option<MizeResult<()>> {
         None
     }
 }
 
-
 // console_log macro
 // that can be copied into other files for debugging purposes
 #[cfg(feature = "wasm-target")]
@@ -43,27 +39,22 @@ macro_rules! console_log {
     ($($t:tt)*) => (unsafe { log(&format_args!($($t)*).to_string())})
 }
 
-
+pub struct EmptyModule {}
-pub struct EmptyModule {
-}
-
 
 impl Module for EmptyModule {
-    fn init(&mut self, instance: &Instance) -> MizeResult<()> {
+    fn init(&mut self, instance: &Mize) -> MizeResult<()> {
         println!("empty module fn init");
 
         #[cfg(feature = "wasm-target")]
         console_log!("empty module fn init");
         Ok(())
     }
-    fn exit(&mut self, instance: &Instance) -> MizeResult<()> {
+    fn exit(&mut self, instance: &Mize) -> MizeResult<()> {
         println!("empty module fn exit");
         Ok(())
-        
     }
 
     fn clone_module(&self) -> Box<dyn Module + Send + Sync> {
         Box::new(EmptyModule {})
     }
 }
-

parts/mize/src/core/instance/store.rs

@@ -1,14 +1,14 @@
+use dyn_clone::DynClone;
 use std::fmt::Debug;
 use std::iter::Map;
 use std::option::Iter;
-use dyn_clone::DynClone;
 
 use crate::error::MizeResult;
-use crate::item::{Item, ItemData};
 use crate::id::MizeId;
-use crate::memstore::MemStore;
+use crate::instance::Mize;
-use crate::instance::Instance;
 use crate::item::get_raw_from_cbor;
+use crate::item::{Item, ItemData};
+use crate::memstore::MemStore;
 
 dyn_clone::clone_trait_object!(Store);
 
@@ -48,7 +48,10 @@ pub struct IdIter {
 
 impl IdIter {
     pub fn new(store: Box<dyn Store>) -> MizeResult<IdIter> {
-        Ok(IdIter { cur_id: store.first_id()?, store })
+        Ok(IdIter {
+            cur_id: store.first_id()?,
+            store,
+        })
     }
 }
 
@@ -57,17 +60,12 @@ impl Iterator for IdIter {
 
     fn next(&mut self) -> Option<Self::Item> {
         match self.store.next_id(&self.cur_id) {
-            Err(err) => {
+            Err(err) => Some(Err(err)),
-                Some(Err(err))
-            },
             Ok(Some(new_id)) => {
                 self.cur_id = new_id.clone();
                 Some(Ok(new_id))
-            },
+            }
-            Ok(None) => {
+            Ok(None) => None,
-                None
-            },
         }
     }
 }
-

parts/mize/src/core/instance/subscription.rs

@@ -1,20 +1,20 @@
 use core::fmt;
-use std::rc::Rc;
 use flume::Sender;
+use std::rc::Rc;
 use std::sync::Arc;
 use tracing::trace;
 
+use crate::error::MizeResult;
 use crate::id::MizeId;
 use crate::instance::connection::Connection;
 use crate::item::Item;
-use crate::error::MizeResult;
 use crate::proto::MizeMessage;
 
-use super::Instance;
+use super::Mize;
 
 #[derive(Clone, Debug)]
 pub struct Update {
-    pub instance: Arc<Instance>,
+    pub instance: Arc<Mize>,
     pub id: MizeId,
 }
 
@@ -45,12 +45,14 @@ impl Subscription {
         trace!("handleing update");
         match &self {
             Subscription::Connection(conn) => {
-                let msg = MizeMessage::new_update(update.id.clone(), update.new_item()?.as_data_full()?, conn.id);
+                let msg = MizeMessage::new_update(
+                    update.id.clone(),
+                    update.new_item()?.as_data_full()?,
+                    conn.id,
+                );
                 conn.send(msg)?;
             }
-            Subscription::Closure(closure) => {
+            Subscription::Closure(closure) => closure(update)?,
-                closure(update)?
-            }
             Subscription::Channel(tx) => {
                 tx.send(update);
             }

parts/mize/src/core/instance/tests.rs

@@ -1,15 +1,13 @@
-
 use tracing_subscriber::registry::Data;
 
 use crate::item::IntoItemData;
 
 use super::*;
 
-
 #[test]
 fn test_sort_keys() -> MizeResult<()> {
-
+    let mut data = ItemData::from_toml(
-    let mut data = ItemData::from_toml(r#"
+        r#"
         [hi]
         test = 4
 
@@ -19,9 +17,11 @@ fn test_sort_keys() -> MizeResult<()> {
 
         [config.test]
         inner = "inner"
-    "#)?;
+    "#,
+    )?;
 
-    let data_sorted = ItemData::from_toml(r#"
+    let data_sorted = ItemData::from_toml(
+        r#"
         [config]
         hi = "hello from config/hi"
         test = { inner = "inner" }
@@ -29,19 +29,19 @@ fn test_sort_keys() -> MizeResult<()> {
 
         [hi]
         test = 4
-    "#)?;
+    "#,
+    )?;
 
     data.sort_keys()?;
 
     assert_eq!(data.to_json()?, data_sorted.to_json()?);
 
-
     Ok(())
 }
 
 #[test]
 fn test_get_module_hash() -> MizeResult<()> {
-    let mut instance = Instance::empty()?;
+    let mut instance = Mize::empty()?;
 
     use crate::platform::os::get_module_hash;
     let selector_toml = r#"
@@ -64,7 +64,7 @@ fn test_get_module_hash() -> MizeResult<()> {
 
 #[test]
 fn test_set_store_path() -> MizeResult<()> {
-    let instance = Instance::empty()?;
+    let instance = Mize::empty()?;
 
     let store_path = "/home/me/.mize".to_owned();
 
@@ -83,23 +83,27 @@ fn test_set_store_path() -> MizeResult<()> {
 
 #[test]
 fn test_set_sub_path() -> MizeResult<()> {
-    let instance = Instance::empty()?;
+    let instance = Mize::empty()?;
 
-    let data = ItemData::from_toml(r#"
+    let data = ItemData::from_toml(
+        r#"
         [config]
         hi = "hello from config/hi"
 
         [config.test]
         inner = "inner"
-    "#)?;
+    "#,
+    )?;
 
-    let data_two = ItemData::from_toml(r#"
+    let data_two = ItemData::from_toml(
+        r#"
         [config]
         hi = "hello from config/hi"
 
         [config.test]
         inner = "new inner"
-    "#)?;
+    "#,
+    )?;
 
     let item = instance.new_item()?;
     instance.set_blocking(item.id(), data.clone())?;
@@ -107,11 +111,23 @@ fn test_set_sub_path() -> MizeResult<()> {
     assert_eq!(item.as_data_full()?, data);
 
     // try to set a sub path of item
-    instance.set_blocking(vec![item.id().store_part(), "config", "test", "inner"], "new inner".into_item_data())?;
+    instance.set_blocking(
+        vec![item.id().store_part(), "config", "test", "inner"],
+        "new inner".into_item_data(),
+    )?;
 
     // the contents of item should then be like data_two
-    println!("item with id '{}': {}", item.id(), instance.get(vec![item.id().store_part()])?.as_data_full()?);
+    println!(
-    assert_eq!(instance.get(vec![item.id().store_part(), "config", "test", "inner"])?.as_data_full()?, ItemData::from_string("new inner"));
+        "item with id '{}': {}",
+        item.id(),
+        instance.get(vec![item.id().store_part()])?.as_data_full()?
+    );
+    assert_eq!(
+        instance
+            .get(vec![item.id().store_part(), "config", "test", "inner"])?
+            .as_data_full()?,
+        ItemData::from_string("new inner")
+    );
     assert_eq!(item.as_data_full()?, data_two);
 
     Ok(())
@@ -119,23 +135,30 @@ fn test_set_sub_path() -> MizeResult<()> {
 
 #[test]
 fn test_itemdata_set_path() -> MizeResult<()> {
-    let mut data = ItemData::from_toml(r#"
+    let mut data = ItemData::from_toml(
+        r#"
         [config]
         hi = "hello from config/hi"
 
         [config.test]
         inner = "inner"
-    "#)?;
+    "#,
+    )?;
 
-    let data_two = ItemData::from_toml(r#"
+    let data_two = ItemData::from_toml(
+        r#"
         [config]
         hi = "hello from config/hi"
 
         [config.test]
         inner = "new inner"
-    "#)?;
+    "#,
+    )?;
 
-    data.set_path(vec!["config", "test", "inner"], ItemData::from_string("new inner"))?;
+    data.set_path(
+        vec!["config", "test", "inner"],
+        ItemData::from_string("new inner"),
+    )?;
 
     assert_eq!(data, data_two);
 
@@ -144,57 +167,71 @@ fn test_itemdata_set_path() -> MizeResult<()> {
 
 #[test]
 fn test_itemdata_merge() -> MizeResult<()> {
-    let mut data = ItemData::from_toml(r#"
+    let mut data = ItemData::from_toml(
+        r#"
         [config]
         hi = "hello from config/hi"
 
         [config.test]
         inner = "inner"
-    "#)?;
+    "#,
+    )?;
 
-    let data_two = ItemData::from_toml(r#"
+    let data_two = ItemData::from_toml(
+        r#"
         [config]
         hi = "hello from config/hi"
 
         [config.test]
         inner = "new inner"
-    "#)?;
+    "#,
+    )?;
 
-    assert_eq!(data.get_path(vec!["config", "test", "inner"])?, ItemData::from_string("inner"));
+    assert_eq!(
+        data.get_path(vec!["config", "test", "inner"])?,
+        ItemData::from_string("inner")
+    );
 
     data.merge(data_two.clone());
 
     assert_eq!(data, data_two);
 
-    assert_eq!(data.get_path(vec!["config", "test", "inner"])?, ItemData::from_string("new inner"));
+    assert_eq!(
+        data.get_path(vec!["config", "test", "inner"])?,
+        ItemData::from_string("new inner")
+    );
 
     Ok(())
 }
 
 #[test]
 fn test_item_merge() -> MizeResult<()> {
-    let instance = Instance::empty()?;
+    let instance = Mize::empty()?;
 
     let mut item = instance.new_item()?;
 
     // here the item should contain "empty" data
     assert_eq!(item.as_data_full()?, ItemData::new());
 
-    let data = ItemData::from_toml(r#"
+    let data = ItemData::from_toml(
+        r#"
         [config]
         hi = "hello from config/hi"
 
         [config.test]
         inner = "inner"
-    "#)?;
+    "#,
+    )?;
 
-    let data_two = ItemData::from_toml(r#"
+    let data_two = ItemData::from_toml(
+        r#"
         [config]
         hi = "hello from config/hi"
 
         [config.test]
         inner = "new inner"
-    "#)?;
+    "#,
+    )?;
 
     item.merge(data.clone())?;
 
@@ -213,7 +250,6 @@ fn test_item_merge() -> MizeResult<()> {
     // also the item should be updated
     assert_eq!(item.as_data_full()?, data_two);
 
-
     Ok(())
 }
 
@@ -225,6 +261,3 @@ fn test_cant_set_non_existent_item() -> () {
     instance.set_blocking("5", "hello world".into_item_data()).expect("correct panic");
 }
 */
-
-
-

parts/mize/src/core/instance/updater.rs

@@ -1,28 +1,23 @@
 use flume::Receiver;
-use tracing::{error, trace, warn};
 use std::borrow::BorrowMut;
 use std::sync::Arc;
+use tracing::{error, trace, warn};
 
-use crate::mize_err;
+use crate::error::{MizeError, MizeResult, MizeResultTrait};
-use crate::{instance::Instance, item::ItemData};
 use crate::id::MizeId;
-use crate:: error::{MizeResult, MizeError, MizeResultTrait};
+use crate::mize_err;
 use crate::proto::{MessageCmd, MizeMessage};
+use crate::{instance::Mize, item::ItemData};
 
 use super::connection::{self, Connection};
 use super::subscription::{Subscription, Update};
 
-
 #[derive(Debug)]
 pub enum Operation {
     Set(MizeId, ItemData, Option<Connection>), // bool: is_from_update_msg
     Msg(MizeMessage),
 }
 
-
-
-
-
 // console_log macro
 // that can be copied into other files for debugging purposes
 #[cfg(feature = "wasm-target")]
@@ -46,15 +41,11 @@ macro_rules! console_log {
 macro_rules! console_log {
     // Note that this is using the `log` function imported above during
     // `bare_bones`
-    ($($t:tt)*) => ()
+    ($($t:tt)*) => {};
 }
 //end of console_log macro
 
-
+pub async fn updater_thread_async(operation_rx: Receiver<Operation>, instance: Mize) -> () {
-
-
-
-pub async fn updater_thread_async(operation_rx : Receiver<Operation>, instance: Instance) -> () {
     let mut count = 0;
     console_log!("inside an updater thread");
 
@@ -84,11 +75,10 @@ pub async fn updater_thread_async(operation_rx : Receiver<Operation>, instance:
             error!("OPERATION {} FAILED: {:?}", count, operation);
             err.log();
         }
-
     }
 }
 
-pub fn updater_thread(operation_rx : Receiver<Operation>, instance: &Instance) -> MizeResult<()> {
+pub fn updater_thread(operation_rx: Receiver<Operation>, instance: &Mize) -> MizeResult<()> {
     let mut count = 0;
 
     loop {
@@ -109,13 +99,11 @@ pub fn updater_thread(operation_rx : Receiver<Operation>, instance: &Instance) -
             error!("OPERATION FAILED: {:?}", operation);
             err.log();
         }
-
     }
     Ok(())
 }
 
-pub fn handle_operation(operation: &mut Operation, instance: &Instance) -> MizeResult<()> {
+pub fn handle_operation(operation: &mut Operation, instance: &Mize) -> MizeResult<()> {
-
     match operation {
         Operation::Set(id, value, maybe_conn) => {
             let item_data: ItemData = value.to_owned();
@@ -130,7 +118,6 @@ pub fn handle_operation(operation: &mut Operation, instance: &Instance) -> MizeR
                     id: id.clone(),
                 };
                 for sub in vec.iter_mut() {
-
                     // don't handle sub of type connection, in case the update comes from this
                     // connection
                     if let Some(conn) = maybe_conn {
@@ -144,15 +131,13 @@ pub fn handle_operation(operation: &mut Operation, instance: &Instance) -> MizeR
                     sub.handle(update.clone());
                 }
             }
-        },
+        }
-        Operation::Msg(msg) => {
+        Operation::Msg(msg) => handle_msg(msg, instance)?,
-            handle_msg(msg, instance)?
-        },
     }
     Ok(())
 }
 
-fn handle_msg(msg: &mut MizeMessage, instance: &Instance) -> MizeResult<()> {
+fn handle_msg(msg: &mut MizeMessage, instance: &Mize) -> MizeResult<()> {
     match msg.cmd()? {
         MessageCmd::Get => {
             let id = msg.id(instance)?;
@@ -160,7 +145,7 @@ fn handle_msg(msg: &mut MizeMessage, instance: &Instance) -> MizeResult<()> {
             let item = instance.get(id.clone())?;
             let msg = MizeMessage::new_give(id, item.as_data_full()?, msg.conn_id);
             connection.send(msg)?;
-        },
+        }
 
         MessageCmd::GetSub => {
             let id = msg.id(instance)?;
@@ -170,21 +155,23 @@ fn handle_msg(msg: &mut MizeMessage, instance: &Instance) -> MizeResult<()> {
             connection.send(msg)?;
             let sub = Subscription::from_conn(connection.clone());
             instance.sub(id, sub)?;
-        },
+        }
 
         MessageCmd::Sub => {
             let id = msg.id(instance)?;
             let mut connection = instance.get_connection(msg.conn_id)?.clone();
             let sub = Subscription::from_conn(connection.clone());
             instance.sub(id, sub)?;
-        },
+        }
 
         MessageCmd::Update => {
             let data = msg.data()?;
             let id = msg.id(instance)?;
             let connection = instance.get_connection(msg.conn_id)?;
-            instance.op_tx.send(Operation::Set(id.clone(), data, Some(connection)));
+            instance
-        },
+                .op_tx
+                .send(Operation::Set(id.clone(), data, Some(connection)));
+        }
 
         // this should check, if the update is valid
         // but for now, we do just always accept it
@@ -192,8 +179,10 @@ fn handle_msg(msg: &mut MizeMessage, instance: &Instance) -> MizeResult<()> {
             let data = msg.data()?;
             let id = msg.id(instance)?;
             let connection = instance.get_connection(msg.conn_id)?;
-            instance.op_tx.send(Operation::Set(id.clone(), data, Some(connection)));
+            instance
-        },
+                .op_tx
+                .send(Operation::Set(id.clone(), data, Some(connection)));
+        }
 
         MessageCmd::Give => {
             let id = msg.id(instance)?;
@@ -204,9 +193,12 @@ fn handle_msg(msg: &mut MizeMessage, instance: &Instance) -> MizeResult<()> {
                     tx.send(data.clone());
                 }
             } else {
-                warn!("got give msg for id '{}', that has no one waiting for it", id);
+                warn!(
+                    "got give msg for id '{}', that has no one waiting for it",
+                    id
+                );
+            }
         }
-        },
 
         MessageCmd::Create => {
             println!("instance.store: {:?}", instance.clone().store);
@@ -225,10 +217,7 @@ fn handle_msg(msg: &mut MizeMessage, instance: &Instance) -> MizeResult<()> {
         }
         _ => {
             return Err(mize_err!("got a message, that is not handeled"));
-        },
+        }
     }
     Ok(())
 }
-
-
-

parts/mize/src/core/item.rs

@@ -1,31 +1,30 @@
-use tracing::{debug, error, info, instrument, trace, warn, Instrument};
+use colored::Colorize;
+use core::fmt;
 use serde::Deserialize;
 use serde::Serialize;
-use core::fmt;
 use std::fmt::Debug;
-use std::{i128, string};
-use std::{collections::HashMap, path::PathBuf, io::Cursor, fmt::Display};
 use std::fs::File;
-use std::rc::Rc;
-use colored::Colorize;
 use std::io;
+use std::rc::Rc;
+use std::{collections::HashMap, fmt::Display, io::Cursor, path::PathBuf};
+use std::{i128, string};
+use tracing::{debug, error, info, instrument, trace, warn, Instrument};
 use tracing::{span, Level};
 
-use crate::error::{MizeError, MizeResult, IntoMizeResult};
+use crate::error::{IntoMizeResult, MizeError, MizeResult};
-use crate::instance::{connection, Instance};
-use crate::instance::store::Store;
 use crate::id::MizeId;
+use crate::instance::connection::value_raw_con_by_id;
+use crate::instance::store::Store;
+use crate::instance::{connection, Mize};
 use crate::mize_err;
 use crate::proto::MizeMessage;
 use ciborium::Value as CborValue;
-use crate::instance::connection::value_raw_con_by_id;
-
 
 // a item always has to do with a Instance, which takes care of how it is updated
 #[derive(Debug, Clone)]
 pub struct Item<'a> {
     id: MizeId,
-    pub instance: &'a Instance
+    pub instance: &'a Mize,
 }
 
 // without an Instance it is not an item, but only the "data of an item"
@@ -38,7 +37,7 @@ impl Item<'_> {
         self.id.clone()
     }
 
-    pub fn new(id: MizeId, instance: &Instance) -> Item {
+    pub fn new(id: MizeId, instance: &Mize) -> Item {
         Item { id, instance }
     }
 
@@ -57,31 +56,43 @@ impl Item<'_> {
     pub fn as_data_full(&self) -> MizeResult<ItemData> {
         let id = self.id();
 
-
         // the instance we are
         if id.store_part() == "self" {
             debug!("getting item '{}' from self", self.id());
 
             match id.nth_part(1)? {
-                "con_by_id" => { return value_raw_con_by_id(&mut self.clone()); },
+                "con_by_id" => {
+                    return value_raw_con_by_id(&mut self.clone());
+                }
                 "namespace" => {
                     let namespace_inner = self.instance.namespace.lock()?;
                     return Ok(ItemData::from_string(namespace_inner.as_real_string()));
-                },
+                }
                 "self_namespace" => {
                     let namespace_inner = self.instance.self_namespace.lock()?;
                     return Ok(ItemData::from_string(namespace_inner.as_real_string()));
-                },
+                }
                 "config" => {
-                    let rest_path = id.path.into_iter().skip(2).map(|v| v.to_owned()).collect::<Vec<String>>().join("/");
+                    let rest_path = id
-                    let id_for_store = self.instance.new_id("0/config".to_owned() + "/" + rest_path.as_str())?;
+                        .path
+                        .into_iter()
+                        .skip(2)
+                        .map(|v| v.to_owned())
+                        .collect::<Vec<String>>()
+                        .join("/");
+                    let id_for_store = self
+                        .instance
+                        .new_id("0/config".to_owned() + "/" + rest_path.as_str())?;
                     let store = self.instance.store.lock()?;
                     let data = store.get_value_data_full(id_for_store)?;
                     return Ok(data);
                 }
-                _ => {},
+                _ => {}
             }
-            return Err(mize_err!("a /self path, but the next element in the path '{:?}' is not valid", id.nth_part(1)));
+            return Err(mize_err!(
+                "a /self path, but the next element in the path '{:?}' is not valid",
+                id.nth_part(1)
+            ));
         }
 
         let self_namespace_inner = self.instance.self_namespace.lock()?;
@@ -91,27 +102,31 @@ impl Item<'_> {
 
             if id.store_part() == "inst" {
                 match id.nth_part(1)? {
-                    "con_by_id" => { return value_raw_con_by_id(&mut self.clone()); },
+                    "con_by_id" => {
+                        return value_raw_con_by_id(&mut self.clone());
+                    }
                     "namespace" => {
                         let namespace_inner = self.instance.namespace.lock()?;
                         return Ok(ItemData::from_string(namespace_inner.as_real_string()));
-                    },
+                    }
                     "self_namespace" => {
                         let namespace_inner = self.instance.self_namespace.lock()?;
                         return Ok(ItemData::from_string(namespace_inner.as_real_string()));
-                    },
+                    }
-                    _ => {},
+                    _ => {}
                 }
             }
 
             let store_inner = self.instance.store.lock()?;
             return store_inner.get_value_data_full(self.id());
-
-
         } else {
             let mut connection = self.instance.get_connection_by_ns(self.id().namespace())?;
 
-            debug!("getting item '{}' from connection '{}' from store", self.id(), connection.id);
+            debug!(
+                "getting item '{}' from connection '{}' from store",
+                self.id(),
+                connection.id
+            );
 
             let msg = MizeMessage::new_get(self.id(), connection.id);
             connection.send(msg);
@@ -122,7 +137,6 @@ impl Item<'_> {
 
     #[instrument(name = "fn.ItemData::merge")]
     pub fn merge<V: Into<ItemData> + Debug>(&mut self, mut value: V) -> MizeResult<()> {
-
         let mut data = self.as_data_full()?;
         //let mut data = data_full.get_path(id_path_without_store_part)?;
         trace!("item::merge data: {:?}", data);
@@ -135,25 +149,28 @@ impl Item<'_> {
 
         // handle the case of /self/*
         if self.id().store_part() == "self" {
-            let rest_path = self.id().path.into_iter().skip(1).map(|v| v.to_owned()).collect::<Vec<String>>().join("/");
+            let rest_path = self
-            let id_for_store = self.instance.new_id("0".to_owned() + "/" + rest_path.as_str())?;
+                .id()
+                .path
+                .into_iter()
+                .skip(1)
+                .map(|v| v.to_owned())
+                .collect::<Vec<String>>()
+                .join("/");
+            let id_for_store = self
+                .instance
+                .new_id("0".to_owned() + "/" + rest_path.as_str())?;
 
             let store_inner = self.instance.store.lock()?;
             store_inner.set(id_for_store, data)?;
-
-
         } else if self.instance.we_are_namespace()? {
-
             let store_inner = self.instance.store.lock()?;
             store_inner.set(self.id(), data)?;
-
         } else {
-
             let namespace = self.id().namespace();
             let mut connection = self.instance.get_connection_by_ns(namespace)?;
             let msg = MizeMessage::new_update_request(self.id(), data, connection.id);
             connection.send(msg)?;
-
         }
 
         Ok(())
@@ -178,11 +195,12 @@ impl ItemData {
     }
 
     pub fn from_toml(toml_string: &str) -> MizeResult<ItemData> {
-
         let toml_deserializer = toml::Deserializer::new(&toml_string);
 
-        let value = CborValue::deserialize(toml_deserializer)
+        let value = CborValue::deserialize(toml_deserializer).mize_result_msg(format!(
-            .mize_result_msg(format!("Could not deserialize the toml string: {}", &toml_string))?;
+            "Could not deserialize the toml string: {}",
+            &toml_string
+        ))?;
 
         return Ok(value.into_item_data());
     }
@@ -201,10 +219,10 @@ impl ItemData {
     }
 
     pub fn to_json(self) -> MizeResult<String> {
-
         let mut result: Vec<u8> = Vec::new();
 
-        self.0.serialize(&mut serde_json::Serializer::new(&mut result))?;
+        self.0
+            .serialize(&mut serde_json::Serializer::new(&mut result))?;
 
         Ok(String::from_utf8(result)?)
     }
@@ -212,8 +230,10 @@ impl ItemData {
     pub fn from_json(json_str: String) -> MizeResult<ItemData> {
         let mut json_deserializer = serde_json::Deserializer::from_str(json_str.as_str());
 
-        let value = CborValue::deserialize(&mut json_deserializer)
+        let value = CborValue::deserialize(&mut json_deserializer).mize_result_msg(format!(
-            .mize_result_msg(format!("could not deserialize the json string: {}", json_str))?;
+            "could not deserialize the json string: {}",
+            json_str
+        ))?;
 
         return Ok(value.into_item_data());
     }
@@ -247,7 +267,7 @@ impl ItemData {
             return CborValue::Bool(true).into_item_data();
         }
         if let Ok(int) = value_str.parse::<i128>() {
-            return int.into_item_data()
+            return int.into_item_data();
         }
         return CborValue::Text(value_str).into_item_data();
     }
@@ -262,12 +282,12 @@ impl ItemData {
 
     pub fn get_path<P: IntoPath>(&self, path: P) -> MizeResult<ItemData> {
         let path = path.into_path();
-        Ok(item_data_get_path(&self.0, path)?.to_owned().into_item_data())
+        Ok(item_data_get_path(&self.0, path)?
+            .to_owned()
+            .into_item_data())
     }
-
 }
 
-
 impl Default for ItemData {
     fn default() -> Self {
         ItemData::new()
@@ -275,7 +295,6 @@ impl Default for ItemData {
 }
 
 pub fn data_from_string(data_string: String) -> MizeResult<ItemData> {
-
     let mut data = ItemData::new();
 
     // in case it's just a string
@@ -290,13 +309,23 @@ pub fn data_from_string(data_string: String) -> MizeResult<ItemData> {
             continue;
         }
 
-        let path = option.split("=").nth(0)
+        let path = option
-            .ok_or(MizeError::new().msg(format!("Failed to parse Option: option '{}' has an empty path (thing before =)", option)))?;
+            .split("=")
+            .nth(0)
+            .ok_or(MizeError::new().msg(format!(
+                "Failed to parse Option: option '{}' has an empty path (thing before =)",
+                option
+            )))?;
 
         //trace!("data_from_string: path: {}", path);
 
-        let value = option.split("=").nth(1)
+        let value = option
-            .ok_or(MizeError::new().msg(format!("Failed to parse Option: option '{}' has an empty value (thing after =)", option)))?;
+            .split("=")
+            .nth(1)
+            .ok_or(MizeError::new().msg(format!(
+                "Failed to parse Option: option '{}' has an empty value (thing after =)",
+                option
+            )))?;
         //trace!("data_from_string: value: {}", value);
 
         let mut path_vec = Vec::new();
@@ -333,18 +362,20 @@ pub fn item_data_get_path(data: &CborValue, path: Vec<String>) -> MizeResult<&Cb
                     }
                 }
             }
-        },
+        }
         val => {
             return Err(MizeError::new()
-                .msg(format!("Failed to get path '{:?}' from ItemData, the data at '{}' is not a map", path, path_el))
+                .msg(format!(
+                    "Failed to get path '{:?}' from ItemData, the data at '{}' is not a map",
+                    path, path_el
+                ))
                 .msg(format!("{:?} is: {:?}", path_el, val)));
-        },
+        }
     };
     item_data_get_path(sub_data, path_iter.collect())
 }
 
 pub fn item_data_sort_keys(data: &mut CborValue) -> MizeResult<()> {
-
     // for a list, sort each item of the list
     if data.is_array() {
         for el in data.as_array_mut().unwrap().iter_mut() {
@@ -375,7 +406,11 @@ pub fn item_data_sort_keys(data: &mut CborValue) -> MizeResult<()> {
     Ok(())
 }
 
-pub fn item_data_set_path(data: &mut CborValue, path: Vec<String>, data_to_set: &CborValue) -> MizeResult<()> {
+pub fn item_data_set_path(
+    data: &mut CborValue,
+    path: Vec<String>,
+    data_to_set: &CborValue,
+) -> MizeResult<()> {
     //trace!("[ {} ] item_data_set_path()", "CALL".yellow());
     //trace!("[ {} ] data: {}", "ARG".yellow(), data.clone().into_item_data());
     //trace!("[ {} ] path: {:?}", "ARG".yellow(), path);
@@ -395,7 +430,7 @@ pub fn item_data_set_path(data: &mut CborValue, path: Vec<String>, data_to_set:
             // our base case
             *data = data_to_set.to_owned();
             return Ok(());
-        },
+        }
     };
     match data {
         CborValue::Map(ref mut map) => {
@@ -417,7 +452,7 @@ pub fn item_data_set_path(data: &mut CborValue, path: Vec<String>, data_to_set:
             item_data_set_path(&mut inner_value, path_iter.collect(), data_to_set);
             map.push((CborValue::Text(path_el.clone()), inner_value));
             return Ok(());
-        },
+        }
         CborValue::Null => {
             //trace!("item_data_set_path: CborValue::Null case");
             let mut inner_value = CborValue::Null;
@@ -427,12 +462,15 @@ pub fn item_data_set_path(data: &mut CborValue, path: Vec<String>, data_to_set:
             *data = CborValue::Map(map_vec);
 
             return Ok(());
-        },
+        }
         val => {
             return Err(MizeError::new()
-                .msg(format!("Failed to get path '{:?}' from ItemData, the data at '{}' is not a map", path, path_el))
+                .msg(format!(
+                    "Failed to get path '{:?}' from ItemData, the data at '{}' is not a map",
+                    path, path_el
+                ))
                 .msg(format!("{:?} is: {:?}", path_el, val)));
-        },
+        }
     };
 
     return Err(MizeError::new().msg("unreachable"));
@@ -447,7 +485,6 @@ pub fn item_data_merge(merge_into: &mut CborValue, other: &CborValue){
         (CborValue::Map(ref mut merge_into_map), CborValue::Map(ref other_map)) => {
             // go through other_map and merge those keys/values to merge_into
             for (other_key, other_val) in other_map {
-
                 // so find that same vale in merge_into, if exists recursively merge, else just add to
                 // vec
                 let mut found_value = CborValue::Null;
@@ -462,10 +499,10 @@ pub fn item_data_merge(merge_into: &mut CborValue, other: &CborValue){
                         value_found = true;
                         found_value = merge_into_val.to_owned();
                         // if we found it, also don't add it to new_value_for_merge_into
-
                     } else {
                         //if not found push to new_value_for_merge_into
-                        new_value_for_merge_into.push((merge_into_key.to_owned(), merge_into_val.to_owned()));
+                        new_value_for_merge_into
+                            .push((merge_into_key.to_owned(), merge_into_val.to_owned()));
                     }
                 }
 
@@ -475,7 +512,6 @@ pub fn item_data_merge(merge_into: &mut CborValue, other: &CborValue){
 
                     // to asign push to new_value_for_merge_into, because the old was removed already
                     new_value_for_merge_into.push((other_key.to_owned(), found_value));
-
                 } else {
                     // if not found, just add the other_key/val to new_value_for_merge_into
                     new_value_for_merge_into.push((other_key.to_owned(), other_val.to_owned()));
@@ -488,8 +524,7 @@ pub fn item_data_merge(merge_into: &mut CborValue, other: &CborValue){
 
         // if other is Null, don't asign
         // this is gonna have repercussions.... because it's not clean behaviour
-        (merge_into, CborValue::Null) => {
+        (merge_into, CborValue::Null) => {}
-        }
 
         // in any other case we just want to set merge_into to other
         // also this is the base case
@@ -513,27 +548,30 @@ pub fn get_raw_from_cbor<'a>(value: &'a CborValue, path: Vec<&String>) -> MizeRe
                 CborValue::Bytes(vec) => {
                     trace!("[ {} ] ret value: {:?}", "RET".yellow(), &vec[..]);
                     return Ok(&vec[..]);
-                },
+                }
                 CborValue::Text(string) => {
                     trace!("[ {} ] ret value: {:?}", "RET".yellow(), string.as_bytes());
                     return Ok(string.as_bytes());
-                },
+                }
                 other => {
-                    return Err(mize_err!("path is empty and the value: '{:?}' is neither Bytes nor Text", other));
+                    return Err(mize_err!(
-                },
+                        "path is empty and the value: '{:?}' is neither Bytes nor Text",
+                        other
+                    ));
+                }
             };
-        }, 
+        }
     };
 
     match value {
         CborValue::Bytes(vec) => {
             trace!("[ {} ] ret value: {:?}", "RET".yellow(), &vec[..]);
             return Ok(&vec[..]);
-        },
+        }
         CborValue::Text(string) => {
             trace!("[ {} ] ret value: {:?}", "RET".yellow(), string.as_bytes());
             return Ok(string.as_bytes());
-        },
+        }
         CborValue::Map(map) => {
             let mut inner_val: &CborValue = &CborValue::Null;
             let mut inner_val_found = false;
@@ -552,7 +590,14 @@ pub fn get_raw_from_cbor<'a>(value: &'a CborValue, path: Vec<&String>) -> MizeRe
             if inner_val_found == false {
                 return Err(MizeError::new()
                     // jesus christ, this is a pfusch...
-                    .msg(format!("get_raw_from_cbor: Path '{}' not Found", path.clone().into_iter().map(|v| v.to_owned()).collect::<Vec<String>>().join("/"))))
+                    .msg(format!(
+                        "get_raw_from_cbor: Path '{}' not Found",
+                        path.clone()
+                            .into_iter()
+                            .map(|v| v.to_owned())
+                            .collect::<Vec<String>>()
+                            .join("/")
+                    )));
             }
 
             //path_iter.next();
@@ -560,9 +605,11 @@ pub fn get_raw_from_cbor<'a>(value: &'a CborValue, path: Vec<&String>) -> MizeRe
             let ret_value = get_raw_from_cbor(inner_val, inner_path);
             trace!("[ {} ] ret value: {:?}", "RET".yellow(), ret_value);
             return ret_value;
-        },
+        }
-        _ => Err(MizeError::new()
+        _ => Err(MizeError::new().msg(format!(
-            .msg(format!("get_raw_from_cbor: value is not a map, text or bytes ... value: {:?}", value))),
+            "get_raw_from_cbor: value is not a map, text or bytes ... value: {:?}",
+            value
+        ))),
     }
 }
 
@@ -631,7 +678,8 @@ impl fmt::Display for ItemData {
     fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
         write!(f, "ItemData: ");
         let display_writer = DisplayWriter(f);
-        self.0.serialize(&mut serde_json::Serializer::pretty(display_writer))
+        self.0
+            .serialize(&mut serde_json::Serializer::pretty(display_writer))
             .map_err(|serde_err| std::fmt::Error)
     }
 }
@@ -641,13 +689,15 @@ struct DisplayWriter<'a, 'b>(&'a mut fmt::Formatter<'b>);
 
 impl<'a, 'b> io::Write for DisplayWriter<'a, 'b> {
     fn write(&mut self, bytes: &[u8]) -> std::result::Result<usize, std::io::Error> {
-        
+        self.0
-        self.0.write_str(&String::from_utf8_lossy(bytes))
+            .write_str(&String::from_utf8_lossy(bytes))
             .map_err(|err| std::io::Error::new(std::io::ErrorKind::Other, err))?;
 
         Ok(bytes.len())
     }
-    fn flush(&mut self) -> std::result::Result<(), std::io::Error> { todo!() }
+    fn flush(&mut self) -> std::result::Result<(), std::io::Error> {
+        todo!()
+    }
 }
 
 impl PartialEq for ItemData {
@@ -662,5 +712,3 @@ impl PartialEq for ItemData {
     }
 }
 impl Eq for ItemData {}
-
-

parts/mize/src/core/memstore.rs

@@ -1,17 +1,17 @@
+use ciborium::Value as CborValue;
+use colored::Colorize;
 use std::collections::binary_heap::Iter;
 use std::collections::HashMap;
 use std::iter::Map;
 use std::sync::{Arc, Mutex};
-use ciborium::Value as CborValue;
 use tracing::{instrument, trace};
-use colored::Colorize;
 
+use crate::error::{IntoMizeResult, MizeError, MizeResult};
 use crate::id::MizeId;
-use crate::instance::store::{Store, IdIter};
+use crate::instance::store::{IdIter, Store};
-use crate::error::{MizeError, MizeResult, IntoMizeResult};
+use crate::instance::Mize;
-use crate::item::{Item, ItemData};
-use crate::instance::Instance;
 use crate::item::get_raw_from_cbor;
+use crate::item::{Item, ItemData};
 use crate::mize_err;
 
 #[derive(Clone, Debug)]
@@ -37,13 +37,12 @@ impl Store for MemStore {
             let path = id.after_store_part();
             old_data.set_path(path, data)?;
             inner.map.insert(id_to_u64(id)?, old_data);
-
         } else {
             // if no data exists for that store_part, just insert
             inner.map.insert(id_to_u64(id)?, data);
         }
 
-        return Ok(())
+        return Ok(());
     }
     fn get_links(&self, item: Item) -> MizeResult<Vec<MizeId>> {
         let inner = self.inner.lock()?;
@@ -68,9 +67,14 @@ impl Store for MemStore {
         trace!("[ {} ] id: {:?}", "ARG".yellow(), id);
         let inner = self.inner.lock()?;
 
-        let cbor_val = inner.map.get(&id_to_u64(id.clone())?)
+        let cbor_val = inner
-            .ok_or(MizeError::new()
+            .map
-            .msg(format!("Item with store_part: {}, id: {} does not exist in MemStore", id_to_u64(id.clone())?, id)))?;
+            .get(&id_to_u64(id.clone())?)
+            .ok_or(MizeError::new().msg(format!(
+                "Item with store_part: {}, id: {} does not exist in MemStore",
+                id_to_u64(id.clone())?,
+                id
+            )))?;
 
         let path = id.path();
         let mut id_iter = path.iter();
@@ -94,7 +98,6 @@ impl Store for MemStore {
         return Ok(ret_data);
     }
     fn id_iter(&self) -> MizeResult<IdIter> {
-
         IdIter::new(Box::new(self.to_owned()))
     }
 
@@ -104,7 +107,6 @@ impl Store for MemStore {
         let mut id = str_to_u64(prev_id_str)?;
 
         loop {
-
             id += 1;
 
             if id > inner.next_id {
@@ -114,7 +116,6 @@ impl Store for MemStore {
             if inner.map.contains_key(&id) {
                 println!("returning: {}", id);
                 return Ok(Some(format!("{}", id)));
-
             } else {
                 // try id +1
                 continue;
@@ -129,8 +130,13 @@ impl Store for MemStore {
 
 impl MemStore {
     pub fn new() -> MemStore {
-        let inner = MemStoreInner { map: HashMap::new(), next_id: 0 };
+        let inner = MemStoreInner {
-        return MemStore { inner: Arc::new(Mutex::new(inner)) };
+            map: HashMap::new(),
+            next_id: 0,
+        };
+        return MemStore {
+            inner: Arc::new(Mutex::new(inner)),
+        };
     }
 }
 
@@ -139,10 +145,8 @@ fn id_to_u64(id: MizeId) -> MizeResult<u64> {
 }
 
 fn str_to_u64(id_str: &str) -> MizeResult<u64> {
-    id_str.parse()
+    id_str.parse().mize_result_msg(format!(
-        .mize_result_msg(format!("Could not parse the store_part of mizeid {} into a u64 for the MemStore", id_str))
+        "Could not parse the store_part of mizeid {} into a u64 for the MemStore",
+        id_str
+    ))
 }
-
-
-
-

parts/mize/src/core/proto/mod.rs

@@ -1,10 +1,15 @@
 use core::fmt;
-use std::io;
 use serde::Serialize;
+use std::io;
 
 use ciborium::{value::Integer, Value as CborValue};
 
-use crate::{error::{IntoMizeResult, MizeError, MizeResult}, id::MizeId, instance::{self, connection::Connection, Instance}, item::{IntoItemData, ItemData}};
+use crate::{
+    error::{IntoMizeResult, MizeError, MizeResult},
+    id::MizeId,
+    instance::{self, connection::Connection, Mize},
+    item::{IntoItemData, ItemData},
+};
 
 #[derive(Clone)]
 pub struct MizeMessage {
@@ -39,18 +44,22 @@ pub enum MessageCmd {
     Sub,
 }
 
-
-
-
 impl MizeMessage {
     pub fn new(value: CborValue, conn_id: u64) -> MizeMessage {
         MizeMessage { value, conn_id }
     }
 
     pub fn new_get(id: MizeId, conn_id: u64) -> MizeMessage {
-        let id_path = id.path().into_iter().map(|string| CborValue::Text(string.to_owned())).collect();
+        let id_path = id
+            .path()
+            .into_iter()
+            .map(|string| CborValue::Text(string.to_owned()))
+            .collect();
 
-        let cmd = (CborValue::Integer(MSG_CMD.into()), CborValue::Integer(CMD_GET.into()));
+        let cmd = (
+            CborValue::Integer(MSG_CMD.into()),
+            CborValue::Integer(CMD_GET.into()),
+        );
         let id = (CborValue::Integer(MSG_ID.into()), CborValue::Array(id_path));
         let value = CborValue::Map(vec![cmd, id]);
 
@@ -58,9 +67,16 @@ impl MizeMessage {
     }
 
     pub fn new_get_sub(id: MizeId, conn_id: u64) -> MizeMessage {
-        let id_path = id.path().into_iter().map(|string| CborValue::Text(string.to_owned())).collect();
+        let id_path = id
+            .path()
+            .into_iter()
+            .map(|string| CborValue::Text(string.to_owned()))
+            .collect();
 
-        let cmd = (CborValue::Integer(MSG_CMD.into()), CborValue::Integer(CMD_GET_SUB.into()));
+        let cmd = (
+            CborValue::Integer(MSG_CMD.into()),
+            CborValue::Integer(CMD_GET_SUB.into()),
+        );
         let id = (CborValue::Integer(MSG_ID.into()), CborValue::Array(id_path));
         let value = CborValue::Map(vec![cmd, id]);
 
@@ -68,9 +84,16 @@ impl MizeMessage {
     }
 
     pub fn new_sub(id: MizeId, conn_id: u64) -> MizeMessage {
-        let id_path = id.path().into_iter().map(|string| CborValue::Text(string.to_owned())).collect();
+        let id_path = id
+            .path()
+            .into_iter()
+            .map(|string| CborValue::Text(string.to_owned()))
+            .collect();
 
-        let cmd = (CborValue::Integer(MSG_CMD.into()), CborValue::Integer(CMD_SUB.into()));
+        let cmd = (
+            CborValue::Integer(MSG_CMD.into()),
+            CborValue::Integer(CMD_SUB.into()),
+        );
         let id = (CborValue::Integer(MSG_ID.into()), CborValue::Array(id_path));
         let value = CborValue::Map(vec![cmd, id]);
 
@@ -78,16 +101,26 @@ impl MizeMessage {
     }
 
     pub fn new_create(conn_id: u64) -> MizeMessage {
-        let cmd = (CborValue::Integer(MSG_CMD.into()), CborValue::Integer(CMD_CREATE.into()));
+        let cmd = (
+            CborValue::Integer(MSG_CMD.into()),
+            CborValue::Integer(CMD_CREATE.into()),
+        );
         let value = CborValue::Map(vec![cmd]);
 
         MizeMessage::new(value, conn_id)
     }
 
     pub fn new_create_reply(id: MizeId, conn_id: u64) -> MizeMessage {
-        let id_path = id.path().into_iter().map(|string| CborValue::Text(string.to_owned())).collect();
+        let id_path = id
+            .path()
+            .into_iter()
+            .map(|string| CborValue::Text(string.to_owned()))
+            .collect();
 
-        let cmd = (CborValue::Integer(MSG_CMD.into()), CborValue::Integer(CMD_CREATE_REPLY.into()));
+        let cmd = (
+            CborValue::Integer(MSG_CMD.into()),
+            CborValue::Integer(CMD_CREATE_REPLY.into()),
+        );
         let id = (CborValue::Integer(MSG_ID.into()), CborValue::Array(id_path));
         let value = CborValue::Map(vec![cmd, id]);
 
@@ -95,9 +128,16 @@ impl MizeMessage {
     }
 
     pub fn new_give(id: MizeId, data: ItemData, conn_id: u64) -> MizeMessage {
-        let id_path = id.path().into_iter().map(|string| CborValue::Text(string.to_owned())).collect();
+        let id_path = id
+            .path()
+            .into_iter()
+            .map(|string| CborValue::Text(string.to_owned()))
+            .collect();
 
-        let cmd = (CborValue::Integer(MSG_CMD.into()), CborValue::Integer(CMD_GIVE.into()));
+        let cmd = (
+            CborValue::Integer(MSG_CMD.into()),
+            CborValue::Integer(CMD_GIVE.into()),
+        );
         let id = (CborValue::Integer(MSG_ID.into()), CborValue::Array(id_path));
         let data = (CborValue::Integer(MSG_DATA.into()), data.cbor().to_owned());
         let value = CborValue::Map(vec![cmd, id, data]);
@@ -106,9 +146,16 @@ impl MizeMessage {
     }
 
     pub fn new_update_request(id: MizeId, data: ItemData, conn_id: u64) -> MizeMessage {
-        let id_path = id.path().into_iter().map(|string| CborValue::Text(string.to_owned())).collect();
+        let id_path = id
+            .path()
+            .into_iter()
+            .map(|string| CborValue::Text(string.to_owned()))
+            .collect();
 
-        let cmd = (CborValue::Integer(MSG_CMD.into()), CborValue::Integer(CMD_UPDATE_REQUEST.into()));
+        let cmd = (
+            CborValue::Integer(MSG_CMD.into()),
+            CborValue::Integer(CMD_UPDATE_REQUEST.into()),
+        );
         let id = (CborValue::Integer(MSG_ID.into()), CborValue::Array(id_path));
         let data = (CborValue::Integer(MSG_DATA.into()), data.cbor().to_owned());
         let value = CborValue::Map(vec![cmd, id, data]);
@@ -117,9 +164,16 @@ impl MizeMessage {
     }
 
     pub fn new_update(id: MizeId, data: ItemData, conn_id: u64) -> MizeMessage {
-        let id_path = id.path().into_iter().map(|string| CborValue::Text(string.to_owned())).collect();
+        let id_path = id
+            .path()
+            .into_iter()
+            .map(|string| CborValue::Text(string.to_owned()))
+            .collect();
 
-        let cmd = (CborValue::Integer(MSG_CMD.into()), CborValue::Integer(CMD_UPDATE.into()));
+        let cmd = (
+            CborValue::Integer(MSG_CMD.into()),
+            CborValue::Integer(CMD_UPDATE.into()),
+        );
         let id = (CborValue::Integer(MSG_ID.into()), CborValue::Array(id_path));
         let data = (CborValue::Integer(MSG_DATA.into()), data.cbor().to_owned());
         let value = CborValue::Map(vec![cmd, id, data]);
@@ -137,7 +191,7 @@ impl MizeMessage {
             CborValue::Map(val) => val,
             _ => {
                 return Err(MizeError::new().msg("Message was not a map"));
-            },
+            }
         };
 
         //check if in this map there is a c, otherwise return err
@@ -172,20 +226,19 @@ impl MizeMessage {
             8 => MessageCmd::Sub,
             _ => {
                 return Err(MizeError::new().msg("error cmd of msg was not a valid command"));
-            },
+            }
         };
 
         return Ok(cmd);
     }
 
-    
     pub fn id_str(&mut self) -> MizeResult<Vec<String>> {
         // return err, if msg is not a map
         let msg_as_map = match &self.value {
             CborValue::Map(val) => val,
             _ => {
                 return Err(MizeError::new().msg("Message was not a map"));
-            },
+            }
         };
 
         let vec_value = {
@@ -206,26 +259,25 @@ impl MizeMessage {
                 CborValue::Array(inner) => inner,
                 _ => {
                     return Err(MizeError::new().msg("Id is not a vector"));
-                },
+                }
             }
         };
 
         let mut vec_string: Vec<String> = Vec::new();
         for val in vec_value {
             match val {
-                CborValue::Text(text) => {
+                CborValue::Text(text) => vec_string.push(text.to_owned()),
-                    vec_string.push(text.to_owned())
-                },
                 _ => {
-                    return Err(MizeError::new().msg("one in the vec of the id in a msg is not of type Text"));
+                    return Err(MizeError::new()
-                },
+                        .msg("one in the vec of the id in a msg is not of type Text"));
+                }
             }
         }
 
         Ok(vec_string)
     }
 
-    pub fn id(&mut self, instance: &Instance) -> MizeResult<MizeId> {
+    pub fn id(&mut self, instance: &Mize) -> MizeResult<MizeId> {
         let id_str = self.id_str()?;
         return instance.new_id(id_str);
     }
@@ -236,7 +288,7 @@ impl MizeMessage {
             CborValue::Map(val) => val,
             _ => {
                 return Err(MizeError::new().msg("Message was not a map"));
-            },
+            }
         };
 
         let data = {
@@ -262,30 +314,30 @@ impl MizeMessage {
     }
 }
 
-
 // thanks to: https://stackoverflow.com/a/61768916
 struct DisplayWriter<'a, 'b>(&'a mut fmt::Formatter<'b>);
 
 impl<'a, 'b> io::Write for DisplayWriter<'a, 'b> {
     fn write(&mut self, bytes: &[u8]) -> std::result::Result<usize, std::io::Error> {
-        
+        self.0
-        self.0.write_str(&String::from_utf8_lossy(bytes))
+            .write_str(&String::from_utf8_lossy(bytes))
             .map_err(|err| std::io::Error::new(std::io::ErrorKind::Other, err))?;
 
         Ok(bytes.len())
     }
-    fn flush(&mut self) -> std::result::Result<(), std::io::Error> { todo!() }
+    fn flush(&mut self) -> std::result::Result<(), std::io::Error> {
+        todo!()
+    }
 }
 
 impl fmt::Display for MizeMessage {
     fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
-
         let mut err = false;
 
         match self.to_owned().cmd() {
             Ok(cmd) => {
                 writeln!(f, "MizeMessage with cmd: {:?}", cmd);
-            },
+            }
             Err(e) => {
                 writeln!(f, "MizeMessage with unparsable cmd");
                 err = true;
@@ -296,7 +348,7 @@ impl fmt::Display for MizeMessage {
             Ok(id) => {
                 let id_str = id.join("/");
                 writeln!(f, "\tid: {:?}", id_str);
-            },
+            }
             Err(e) => {
                 writeln!(f, "\t msg has no id");
                 //err = true;
@@ -308,28 +360,33 @@ impl fmt::Display for MizeMessage {
                 let value = data.cbor();
                 write!(f, "\tdata: ");
                 let display_writer = DisplayWriter(f);
-                if let Err(e) = value.serialize(&mut serde_json::Serializer::pretty(display_writer))
+                if let Err(e) = value
-                    .map_err(|serde_err| std::fmt::Error) {
+                    .serialize(&mut serde_json::Serializer::pretty(display_writer))
+                    .map_err(|serde_err| std::fmt::Error)
+                {
                     writeln!(f, "serialize err: {:?}", e);
                     err = true;
                 }
-            },
+            }
             Err(e) => {
                 writeln!(f, "\t msg has no data");
                 //err = true;
-            },
+            }
         }
 
         if err {
             write!(f, "Full msg: ");
             let display_writer = DisplayWriter(f);
-            self.value.serialize(&mut serde_json::Serializer::pretty(display_writer))
+            self.value
-                .map_err(|serde_err| std::fmt::Error).mize_result_msg("serialize error")
+                .serialize(&mut serde_json::Serializer::pretty(display_writer))
-                .inspect_err(|e| { e.clone().log(); });
+                .map_err(|serde_err| std::fmt::Error)
+                .mize_result_msg("serialize error")
+                .inspect_err(|e| {
+                    e.clone().log();
+                });
         }
 
         Ok(())
-
     }
 }
 
@@ -338,9 +395,8 @@ impl fmt::Debug for MizeMessage {
         write!(f, "\nMizeMessage: ");
         let display_writer = DisplayWriter(f);
         let value = self.to_owned().value();
-        value.serialize(&mut serde_json::Serializer::pretty(display_writer))
+        value
+            .serialize(&mut serde_json::Serializer::pretty(display_writer))
             .map_err(|serde_err| std::fmt::Error)
     }
 }
-
-

parts/mize/src/lib.rs

@@ -1,4 +1,3 @@
-
 #![allow(warnings)]
 
 static PROTO_VERSION: u8 = 1;
@@ -32,20 +31,22 @@ macro_rules! test_print {
 
 // the core part has the code that can run on any platform
 mod core {
-    pub mod memstore;
+    pub mod config;
+    pub mod error;
+    pub mod id;
     pub mod instance;
     pub mod item;
-    pub mod id;
+    pub mod memstore;
     pub mod proto;
-    pub mod error;
     pub mod types;
 }
 
-pub use core::*;
-pub use core::instance::module::Module;
-pub use core::instance::Instance;
 pub use core::error::MizeError;
 pub use core::error::MizeResult;
+pub use core::instance::module::Module;
+pub use core::instance::Mize;
+pub use core::instance::MizePart;
+pub use core::*;
 use std::path::PathBuf;
 
 // platform specific stuff
@@ -67,7 +68,6 @@ pub mod platform {
         #[cfg(not(any(feature = "os-target", feature = "wasm-target")))]
         pub use super::super::instance_init;
 
-
         //////////// load_module
         #[cfg(feature = "os-target")]
         pub use super::os::load_module;
@@ -78,7 +78,6 @@ pub mod platform {
         #[cfg(not(any(feature = "os-target", feature = "wasm-target")))]
         pub use super::super::load_module;
 
-
         //////////// fetch_module
         #[cfg(feature = "os-target")]
         pub use super::os::fetch_module;
@@ -88,16 +87,19 @@ pub mod platform {
 
         #[cfg(not(any(feature = "os-target", feature = "wasm-target")))]
         pub use super::super::fetch_module;
-
     }
 }
 
+pub fn instance_init(instance: &mut core::instance::Mize) {}
 
-pub fn instance_init(instance: &mut core::instance::Instance) {}
+pub fn load_module(
-
+    instance: &mut core::instance::Mize,
-
+    name: &str,
-pub fn load_module(instance: &mut core::instance::Instance, name: &str, path: Option<String>) -> MizeResult<()> { Ok(()) }
+    path: Option<String>,
-
+) -> MizeResult<()> {
-pub fn fetch_module(instance: &mut core::instance::Instance, name: &str) -> MizeResult<String> { Ok("oh noooooooooooooo, something went really really wrong, if this ends up in the executable....".to_owned()) }
+    Ok(())
-
+}
 
+pub fn fetch_module(instance: &mut core::instance::Mize, name: &str) -> MizeResult<String> {
+    Ok("oh noooooooooooooo, something went really really wrong, if this ends up in the executable....".to_owned())
+}

parts/mize/src/platform/os/cli.rs

@@ -1,30 +1,28 @@
+use clap::ArgMatches;
 use core::result::Result::Err;
 use core::unimplemented;
+use flume::bounded;
+use home::home_dir;
+use mize::mize_err;
 use std::ffi::OsString;
+use std::io::Read;
 use std::path::PathBuf;
 use std::str::FromStr;
-use clap::ArgMatches;
-use home::home_dir;
-use flume::bounded;
-use mize::mize_err;
-use std::io::Read;
 use tracing::debug;
 
 use mize::error::{IntoMizeResult, MizeError, MizeResult, MizeResultTrait};
-use mize::instance::Instance;
-use mize::platform::os::config_from_cli_args;
-use mize::instance::subscription::Update;
-use mize::platform::os::fsstore::FileStore;
 use mize::instance::subscription::Subscription;
+use mize::instance::subscription::Update;
+use mize::instance::Mize;
 use mize::item::{IntoItemData, ItemData};
-
+use mize::platform::os::config_from_cli_args;
-
+use mize::platform::os::fsstore::FileStore;
 
 pub fn get(sub_matches: &ArgMatches) -> MizeResult<()> {
+    let instance = Mize::with_config(config_from_cli_args(sub_matches)?)?;
 
-    let instance = Instance::with_config(config_from_cli_args(sub_matches)?)?;
+    let id = sub_matches
-
+        .get_one::<String>("id")
-    let id = sub_matches.get_one::<String>("id")
         .ok_or(MizeError::new().msg("No id Argument specified"))?;
 
     let item = instance.get(id)?;
@@ -44,15 +42,12 @@ pub fn get(sub_matches: &ArgMatches) -> MizeResult<()> {
     return Ok(());
 }
 
-
 pub fn call(sub_matches: &ArgMatches) -> MizeResult<()> {
     Ok(())
 }
 
-
 pub fn create(sub_matches: &ArgMatches) -> MizeResult<()> {
-
+    let mut instance = Mize::with_config(config_from_cli_args(sub_matches)?)?;
-    let mut instance = Instance::with_config(config_from_cli_args(sub_matches)?)?;
 
     let item = instance.new_item()?;
 
@@ -62,37 +57,32 @@ pub fn create(sub_matches: &ArgMatches) -> MizeResult<()> {
     return Ok(());
 }
 
-
 pub fn is_running(sub_matches: &ArgMatches) -> MizeResult<()> {
-
     println!("not implemented");
     Err(mize_err!("not implemented"))
 }
 
-
 pub fn mount(sub_matches: &ArgMatches) -> MizeResult<()> {
     Ok(())
 }
 
-
 pub fn run(sub_matches: &ArgMatches) -> MizeResult<()> {
-
+    let instance = Mize::with_config(config_from_cli_args(sub_matches)?)?;
-    let instance = Instance::with_config(config_from_cli_args(sub_matches)?)?;
 
     instance.wait();
 
     return Ok(());
 }
 
-
 pub fn set(sub_matches: &ArgMatches) -> MizeResult<()> {
+    let instance = Mize::with_config(config_from_cli_args(sub_matches)?)?;
 
-    let instance = Instance::with_config(config_from_cli_args(sub_matches)?)?;
+    let id = sub_matches
-
+        .get_one::<String>("id")
-    let id = sub_matches.get_one::<String>("id")
         .ok_or(MizeError::new().msg("No id Argument specified"))?;
 
-    let value = sub_matches.get_one::<String>("value")
+    let value = sub_matches
+        .get_one::<String>("value")
         .ok_or(MizeError::new().msg("No value Argument specified"))?;
 
     instance.set_blocking(id, value.into_item_data())?;
@@ -100,12 +90,11 @@ pub fn set(sub_matches: &ArgMatches) -> MizeResult<()> {
     Ok(())
 }
 
-
 pub fn show(sub_matches: &ArgMatches) -> MizeResult<()> {
+    let instance = Mize::with_config(config_from_cli_args(sub_matches)?)?;
 
-    let instance = Instance::with_config(config_from_cli_args(sub_matches)?)?;
+    let id = sub_matches
-
+        .get_one::<String>("id")
-    let id = sub_matches.get_one::<String>("id")
         .ok_or(MizeError::new().msg("No id Argument specified"))?;
 
     let item = instance.get(id)?;
@@ -124,14 +113,12 @@ pub fn show(sub_matches: &ArgMatches) -> MizeResult<()> {
     Ok(())
 }
 
-
 pub fn stop(sub_matches: &ArgMatches) -> MizeResult<()> {
     Ok(())
 }
 
-
 pub fn gui(sub_matches: &ArgMatches) -> MizeResult<()> {
-    let mut instance = Instance::with_config(config_from_cli_args(sub_matches)?)?;
+    let mut instance = Mize::with_config(config_from_cli_args(sub_matches)?)?;
 
     instance.load_module("mme")?;
 
@@ -141,7 +128,6 @@ pub fn gui(sub_matches: &ArgMatches) -> MizeResult<()> {
 }
 
 pub fn format_cbor(sub_matches: &ArgMatches) -> MizeResult<()> {
-
     let mut input: Vec<u8> = Vec::new();
     let stdin = std::io::stdin();
     let mut handle = stdin.lock();
@@ -155,20 +141,26 @@ pub fn format_cbor(sub_matches: &ArgMatches) -> MizeResult<()> {
     Ok(())
 }
 
-
 pub fn run_from_module(cmd: &str, sub_matches: &ArgMatches) -> MizeResult<()> {
     let default = OsString::default();
-    let mut sub_cmd_line: Vec<OsString> = sub_matches.get_many::<OsString>("").unwrap().map(|e| e.to_owned()).collect();
+    let mut sub_cmd_line: Vec<OsString> = sub_matches
+        .get_many::<OsString>("")
+        .unwrap()
+        .map(|e| e.to_owned())
+        .collect();
     sub_cmd_line.insert(0, OsString::from_str(cmd)?);
 
-    let mut instance = Instance::with_config(config_from_cli_args(sub_matches)?)?;
+    let mut instance = Mize::with_config(config_from_cli_args(sub_matches)?)?;
 
     debug!("loading module '{}'", cmd);
     instance.load_module(cmd)?;
 
-    instance.get_module(cmd)?.run_cli(&instance, sub_cmd_line)
+    instance
-        .ok_or(mize_err!("The Module '{cmd}' does not implement the run_cli() functionality"))??;
+        .get_module(cmd)?
+        .run_cli(&instance, sub_cmd_line)
+        .ok_or(mize_err!(
+            "The Module '{cmd}' does not implement the run_cli() functionality"
+        ))??;
 
     Ok(())
 }
-

parts/mize/src/platform/os/fsstore.rs

@@ -1,20 +1,20 @@
-use std::fs;
-use std::path::{Path, PathBuf};
-use std::fs::OpenOptions;
-use sysinfo::{System, Pid, ProcessRefreshKind, RefreshKind};
-use std::io::Write;
 use ciborium::Value as CborValue;
+use std::fs;
+use std::fs::OpenOptions;
+use std::io::Write;
+use std::path::{Path, PathBuf};
+use sysinfo::{Pid, ProcessRefreshKind, RefreshKind, System};
 use tracing::debug;
 
+use crate::core::id::MizeId;
+use crate::core::item::{Item, ItemData};
+use crate::error::{IntoMizeResult, MizeError, MizeResult};
 use crate::instance::store::IdIter;
+use crate::instance::{self, Mize};
+use crate::item::get_raw_from_cbor;
 use crate::item::IntoItemData;
 use crate::memstore::MemStore;
 use crate::{core::instance::store::Store, mize_err};
-use crate::error::{IntoMizeResult, MizeResult, MizeError};
-use crate::core::item::{ItemData, Item};
-use crate::core::id::MizeId;
-use crate::item::get_raw_from_cbor;
-use crate::instance::{self, Instance};
 use tokio::net::UnixStream;
 
 #[derive(Clone, Debug)]
@@ -24,7 +24,6 @@ pub struct FileStore {
 
 impl FileStore {
     pub fn new(path_str: &str) -> MizeResult<FileStore> {
-
         let path = Path::new(path_str);
 
         // create that path if it does not exist
@@ -50,19 +49,25 @@ impl FileStore {
             fs::write(path.join("next_id"), "1");
         }
 
-        Ok(FileStore { path: Path::new(&path).to_owned() })
+        Ok(FileStore {
+            path: Path::new(&path).to_owned(),
+        })
     }
 
-    pub fn store_is_opened(store_path: String, instance: &mut Instance) -> MizeResult<bool> {
+    pub fn store_is_opened(store_path: String, instance: &mut Mize) -> MizeResult<bool> {
-
         // this was the old method....
         //let valid_pid_file = valid_pid_file(Path::new(&store_path))?.is_some();
 
-        let can_connect_to_sock = match instance.spawn_async_blocking("con_test_thread", try_connect_to_sock(store_path.clone())) {
+        let can_connect_to_sock = match instance
+            .spawn_async_blocking("con_test_thread", try_connect_to_sock(store_path.clone()))
+        {
             Ok(_) => true,
             Err(_) => false,
         };
-        debug!("MiZe Store at {} opened: {}", store_path, can_connect_to_sock);
+        debug!(
+            "MiZe Store at {} opened: {}",
+            store_path, can_connect_to_sock
+        );
         Ok(can_connect_to_sock)
     }
 }
@@ -76,11 +81,16 @@ async fn try_connect_to_sock(store_path: String) -> MizeResult<()> {
 
 impl Store for FileStore {
     fn new_id(&self) -> MizeResult<String> {
-
+        let mut next_id: u64 =
-        let mut next_id: u64 = String::from_utf8(fs::read(self.path.join("next_id"))
+            String::from_utf8(fs::read(self.path.join("next_id")).mize_result_msg(format!(
-            .mize_result_msg(format!("could not read next_id at '{}'", self.path.display()))?)?
+                "could not read next_id at '{}'",
+                self.path.display()
+            ))?)?
             .parse()
-            .mize_result_msg(format!("could not parse next_id at '{}' to u64", self.path.display()))?;
+            .mize_result_msg(format!(
+                "could not parse next_id at '{}' to u64",
+                self.path.display()
+            ))?;
 
         let id_string = format!("{}", next_id);
 
@@ -92,7 +102,11 @@ impl Store for FileStore {
     }
 
     fn set(&self, id: MizeId, data: ItemData) -> MizeResult<()> {
-        let path = self.path.join("store").join(id.namespace_str()).join(id.store_part());
+        let path = self
+            .path
+            .join("store")
+            .join(id.namespace_str())
+            .join(id.store_part());
         fs::create_dir_all(self.path.join("store").join(id.namespace_str()))?;
 
         let file = OpenOptions::new().write(true).create(true).open(path)?;
@@ -110,12 +124,18 @@ impl Store for FileStore {
     }
 
     fn get_value_raw(&self, id: MizeId) -> MizeResult<Vec<u8>> {
-        let path = self.path.join("store").join(id.namespace_str()).join(id.store_part());
+        let path = self
+            .path
+            .join("store")
+            .join(id.namespace_str())
+            .join(id.store_part());
 
         let file = OpenOptions::new().read(true).create(true).open(path)?;
 
-        let cbor_val: CborValue = ciborium::from_reader(file)
+        let cbor_val: CborValue = ciborium::from_reader(file).mize_result_msg(format!(
-            .mize_result_msg(format!("could not read file '{}' from FileStore", self.path.join("store").join(id.store_part()).display()))?;
+            "could not read file '{}' from FileStore",
+            self.path.join("store").join(id.store_part()).display()
+        ))?;
 
         let path = id.path();
         let mut id_iter = path.iter();
@@ -126,15 +146,27 @@ impl Store for FileStore {
     }
 
     fn get_value_data_full(&self, id: MizeId) -> MizeResult<ItemData> {
-        let file_path = self.path.join("store").join(id.namespace_str()).join(id.store_part());
+        let file_path = self
-        if !file_path.exists() {
+            .path
+            .join("store")
+            .join(id.namespace_str())
+            .join(id.store_part());
+        if !file_path.exists() {}
+        let file = OpenOptions::new()
+            .read(true)
+            .open(file_path.clone())
+            .map_err(|e| {
+                mize_err!(
+                    "fsstoree: Unable to open '{}', err: {}",
+                    file_path.display(),
+                    e
+                )
+            })?;
 
-        }
+        let cbor_value: CborValue = ciborium::from_reader(file).mize_result_msg(format!(
-        let file = OpenOptions::new().read(true).open(file_path.clone())
+            "could not read file '{}' from FileStore",
-            .map_err(|e| mize_err!("fsstoree: Unable to open '{}', err: {}", file_path.display(), e))?;
+            self.path.join("store").join(id.store_part()).display()
-
+        ))?;
-        let cbor_value: CborValue = ciborium::from_reader(file)
-            .mize_result_msg(format!("could not read file '{}' from FileStore", self.path.join("store").join(id.store_part()).display()))?;
         let data: ItemData = cbor_value.into_item_data();
 
         let tmp = id.path();
@@ -157,7 +189,6 @@ impl Store for FileStore {
 }
 
 fn valid_pid_file(path: &Path) -> MizeResult<Option<u32>> {
-
     let pid_file_path = path.join("pid");
 
     // if the pid file does not exist, there is no pid...
@@ -166,10 +197,15 @@ fn valid_pid_file(path: &Path) -> MizeResult<Option<u32>> {
     }
 
     // read pid file
-    let pid: u32 = String::from_utf8(fs::read(&pid_file_path)
+    let pid: u32 = String::from_utf8(fs::read(&pid_file_path).mize_result_msg(format!(
-        .mize_result_msg(format!("Could not read contents of pid file at '{}'", pid_file_path.display()))?)?
+        "Could not read contents of pid file at '{}'",
+        pid_file_path.display()
+    ))?)?
     .parse()
-        .mize_result_msg(format!("Could not parse contents of pid file at '{}' to u32", pid_file_path.display()))?;
+    .mize_result_msg(format!(
+        "Could not parse contents of pid file at '{}' to u32",
+        pid_file_path.display()
+    ))?;
 
     if Path::new("/proc").join(format!("{}", pid)).exists() {
         return Ok(Some(pid));
@@ -177,4 +213,3 @@ fn valid_pid_file(path: &Path) -> MizeResult<Option<u32>> {
         return Ok(None);
     }
 }
-

parts/mize/src/platform/os/main.rs

@@ -1,28 +1,27 @@
-
 #![allow(warnings)]
 
+use clap::builder::OsStr;
+use clap::{crate_version, Arg, Command};
+use clap::{ArgAction, ArgMatches};
 use std::ffi::OsString;
 use std::path::PathBuf;
 use std::process::exit;
-use clap::builder::OsStr;
-use clap::{ArgAction, ArgMatches};
-use clap::{Arg, crate_version, Command};
 
-use mize::error::{MizeError, MizeResult};
-use mize::{instance, Instance};
-use mize::item::ItemData;
-use tokio::sync::{Mutex, mpsc};
-use std::sync::Arc;
-use std::io::Write;
 use colored::Colorize;
-use std::env;
+use mize::error::{MizeError, MizeResult};
-use tracing_subscriber::fmt::Subscriber;
+use mize::item::ItemData;
-use tracing::Level;
-use tracing::level_filters::LevelFilter;
-use tracing_subscriber::filter::EnvFilter;
 use mize::platform::os::logging::init_logger;
+use mize::{instance, Mize};
+use std::env;
+use std::io::Write;
+use std::sync::Arc;
+use tokio::sync::{mpsc, Mutex};
+use tracing::level_filters::LevelFilter;
+use tracing::Level;
+use tracing_subscriber::filter::EnvFilter;
+use tracing_subscriber::fmt::Subscriber;
 
-use tracing::{trace, debug, info, warn, error};
+use tracing::{debug, error, info, trace, warn};
 
 mod cli;
 
@@ -74,7 +73,8 @@ fn main() {
         // some unknown command passed
         Some((cmd, sub_matches)) => cli::run_from_module(cmd, sub_matches),
 
-        None => Err(MizeError::new().msg("No subcommand was passed. use --help to list availavle comamnds.")),
+        None => Err(MizeError::new()
+            .msg("No subcommand was passed. use --help to list availavle comamnds.")),
     };
 
     if let Err(err) = result {
@@ -83,105 +83,83 @@ fn main() {
     }
 }
 
-
-
-
 fn cli_matches() -> clap::ArgMatches {
-
-
     let main = Command::new(APPNAME)
         .version(crate_version!())
         .author("Sebastian Moser")
         .about("The MiZe Command line tool")
         .allow_external_subcommands(true)
-        .arg(Arg::new("verbose")
+        .arg(
+            Arg::new("verbose")
                 .long("verbose")
                 .short('v')
                 .action(ArgAction::Count)
-            .global(true)
+                .global(true),
         )
-        .arg(Arg::new("log-level")
+        .arg(
+            Arg::new("log-level")
                 .long("log-level")
                 .value_name("LOGLEVEL")
                 .help("set the log-level to one of OFF, ERROR, WARN, INFO, DEBUG, TRACE")
-            .global(true)
+                .global(true),
         )
-        .arg(Arg::new("silent")
+        .arg(
+            Arg::new("silent")
                 .long("silent")
                 .action(ArgAction::SetTrue)
                 .help("set the log-level to OFF")
-            .global(true)
+                .global(true),
         )
-        .arg(Arg::new("folder")
+        .arg(
+            Arg::new("folder")
                 .short('f')
                 .long("folder")
                 .help("The folder the Instance stores all it's data and the socket for connections")
-            .global(true)
+                .global(true),
         )
-        .arg(Arg::new("config")
+        .arg(
+            Arg::new("config")
                 .short('c')
                 .long("config")
                 .help("overwrite config options")
-            .global(true)
+                .global(true),
         )
-        .arg(Arg::new("config-file")
+        .arg(
+            Arg::new("config-file")
                 .long("config-file")
                 .help("specify a config file")
-            .global(true)
+                .global(true),
         )
         .subcommand(
             Command::new("run")
                 .aliases(["r"])
-                .about("Run a MiZe Instance")
+                .about("Run a MiZe Instance"),
-            )
-        .subcommand(Command::new("stop")
-                .about("Stop a MiZe Instance")
-            )
-        .subcommand(
-                Command::new("mount")
-                .aliases(["m"])
         )
+        .subcommand(Command::new("stop").about("Stop a MiZe Instance"))
+        .subcommand(Command::new("mount").aliases(["m"]))
         .subcommand(
             Command::new("get")
                 .aliases(["g"])
                 .arg(Arg::new("id").help("The id or path to get"))
-            .arg(Arg::new("recurse")
+                .arg(Arg::new("recurse").short('r').action(ArgAction::Count)),
-                .short('r')
-                .action(ArgAction::Count)
-                )
         )
         .subcommand(
             Command::new("set")
                 .aliases(["s"])
                 .arg(Arg::new("id").help("The id or path to set"))
-                .arg(Arg::new("value").help("The value to set the path to"))
+                .arg(Arg::new("value").help("The value to set the path to")),
         )
         .subcommand(
             Command::new("show")
                 .aliases(["so"])
-                .arg(Arg::new("id").help("The id or path to sub to and show"))
+                .arg(Arg::new("id").help("The id or path to sub to and show")),
-            )
-        .subcommand(
-                Command::new("call")
-                .aliases(["c"])
-            )
-        .subcommand(
-                Command::new("create")
-                .aliases(["cr"])
-            )
-        .subcommand(
-                Command::new("is-running")
-                .aliases(["isr"])
-            )
-        .subcommand(
-                Command::new("gui")
-            )
-        .subcommand(
-                Command::new("format-cbor")
         )
+        .subcommand(Command::new("call").aliases(["c"]))
+        .subcommand(Command::new("create").aliases(["cr"]))
+        .subcommand(Command::new("is-running").aliases(["isr"]))
+        .subcommand(Command::new("gui"))
+        .subcommand(Command::new("format-cbor"))
         .arg_required_else_help(true);
 
     return main.get_matches();
 }
-
-

parts/mize/src/platform/os/mod.rs

@@ -1,25 +1,25 @@
 use ciborium::Value as CborValue;
+use clap::ArgMatches;
+use flate2::bufread::GzDecoder;
 use serde::Deserialize;
+use sha2::{Digest, Sha256, Sha512};
 use std::env::VarError;
 use std::fs;
-use tracing::{debug, error, info, trace, warn};
-use clap::ArgMatches;
-use std::path::{Path, PathBuf};
-use std::time::UNIX_EPOCH;
-use sha2::{Sha256, Sha512, Digest};
-use flate2::bufread::GzDecoder;
-use tar::Archive;
 use std::fs::File;
 use std::io::copy;
+use std::path::{Path, PathBuf};
+use std::time::UNIX_EPOCH;
+use tar::Archive;
+use tracing::{debug, error, info, trace, warn};
 
-use crate::id::MizeId;
-use crate::instance::store::Store;
-use crate::instance::Instance;
 use crate::error::{IntoMizeResult, MizeError, MizeResult};
+use crate::id::MizeId;
+use crate::instance::module::EmptyModule;
+use crate::instance::store::Store;
+use crate::instance::Mize;
 use crate::item::{data_from_string, IntoItemData, ItemData};
 use crate::memstore::MemStore;
 use crate::{mize_err, Module};
-use crate::instance::module::EmptyModule;
 
 use self::fsstore::FileStore;
 
@@ -33,8 +33,7 @@ mod unix_socket;
 use crate::platform::os::unix_socket::UnixListener;
 //mod web;
 
-
+pub fn os_instance_init(instance: &mut Mize) -> MizeResult<()> {
-pub fn os_instance_init(instance: &mut Instance) -> MizeResult<()> {
     // this is the code, that runs to initialize an Instance on a system with an os present.
 
     ////// load MIZE_CONFIG_FILE as the instance, which is item 0
@@ -43,16 +42,19 @@ pub fn os_instance_init(instance: &mut Instance) -> MizeResult<()> {
             let config = config_from_file(config_file_path)?;
             debug!("env var MIZE_CONFIG_FILE present");
             instance.set_blocking("0", config)?;
-            trace!("config after MIZE_CONFIG_FILE env var: {}", instance.get("self/config")?);
+            trace!(
+                "config after MIZE_CONFIG_FILE env var: {}",
+                instance.get("self/config")?
+            );
         }
         Err(var_err) => match var_err {
             VarError::NotPresent => {
                 debug!("env var MIZE_CONFIG_FILE NOT present");
-            },
+            }
             VarError::NotUnicode(_) => {
                 warn!("env var MIZE_CONFIG_FILE is not Unicode, so not reading it")
-            },
             }
+        },
     };
 
     ////// load config from MIZE_CONFIG env var
@@ -61,44 +63,49 @@ pub fn os_instance_init(instance: &mut Instance) -> MizeResult<()> {
             let config = data_from_string(config_string)?;
             debug!("env var MIZE_CONFIG present");
             instance.set_blocking("self/config", config)?;
-            trace!("config after MIZE_CONFIG env var: {}", instance.get("self/config")?);
+            trace!(
+                "config after MIZE_CONFIG env var: {}",
+                instance.get("self/config")?
+            );
         }
         Err(var_err) => match var_err {
             VarError::NotPresent => {
                 debug!("env var MIZE_CONFIG NOT present")
-            },
+            }
             VarError::NotUnicode(_) => {
                 warn!("env var MIZE_CONFIG is not Unicode, so not reading it")
-            },
             }
+        },
     };
 
-
     ////// if a config.store_path is set, upgrade to the filestore there
     let mut test = instance.get("0")?.as_data_full()?;
     let mut store_path = match instance.get("self/config/store_path")?.value_string() {
-        Ok(path) => {
+        Ok(path) => path,
-            path
-        },
         Err(e) => {
             // the default store_path: $HOME/.mize
             let home_dir = if let Some(dir) = std::env::home_dir() {
                 dir
             } else {
-                return Err(mize_err!("could not get home_dir and store_path is not set in the config"));
+                return Err(mize_err!(
+                    "could not get home_dir and store_path is not set in the config"
+                ));
             };
 
             let store_path_buff = home_dir.join(".mize");
             let store_path = store_path_buff.display().to_string();
 
-            instance.set_blocking("self/config/store_path", store_path.clone().into_item_data())?;
+            instance.set_blocking(
+                "self/config/store_path",
+                store_path.clone().into_item_data(),
+            )?;
 
             let store_path = instance.get("self/config/store_path")?.value_string()?;
 
             println!("store_path: {}", store_path);
 
             store_path
-        },
+        }
     };
 
     if FileStore::store_is_opened(store_path.to_owned(), instance)? {
@@ -117,7 +124,6 @@ pub fn os_instance_init(instance: &mut Instance) -> MizeResult<()> {
         {
             error!("CONNECTING... would connect, but that is not implemented on windows yet");
         }
-
     } else {
         // else open it ourselves
         let file_store = FileStore::new(store_path.as_str())?;
@@ -132,7 +138,7 @@ pub fn os_instance_init(instance: &mut Instance) -> MizeResult<()> {
 
         #[cfg(target_family = "windows")]
         {
-            warn!("would add a Listener on a local socket, but that is not yet implemented for windows");;
+            warn!("would add a Listener on a local socket, but that is not yet implemented for windows");
         }
     }
 
@@ -149,15 +155,24 @@ pub fn seconds_since_modification(path: &Path) -> MizeResult<u64> {
     Ok(duration.as_secs())
 }
 
-pub fn get_module_hash(instance: &mut Instance, name: &str, mut options: ItemData) -> MizeResult<(String, String)> {
+pub fn get_module_hash(
-
+    instance: &mut Mize,
+    name: &str,
+    mut options: ItemData,
+) -> MizeResult<(String, String)> {
     let mut selector_data = instance.get("self/config/selector")?.as_data_full()?;
 
     // handle the case, when we want a module for not the system we are running on...
     println!("get_module_hash: name: {}", name);
     let mut name_parts = name.split(".");
-    if name_parts.next().ok_or(mize_err!("no 0th element in the modName"))? == "cross" {
+    if name_parts
-        let system = name_parts.next().ok_or(mize_err!("no 1th element in the modName"))?;
+        .next()
+        .ok_or(mize_err!("no 0th element in the modName"))?
+        == "cross"
+    {
+        let system = name_parts
+            .next()
+            .ok_or(mize_err!("no 1th element in the modName"))?;
         let mod_name: String = name_parts.collect();
         println!("get_module_hash: mod_name: {}", mod_name);
         if mod_name == "" {
@@ -183,7 +198,8 @@ pub fn get_module_hash(instance: &mut Instance, name: &str, mut options: ItemDat
 
     let result = hasher.finalize();
 
-    let mut hex: String = result.iter()
+    let mut hex: String = result
+        .iter()
         .map(|b| format!("{:02x}", b).to_string())
         .collect::<Vec<String>>()
         .join("");
@@ -191,25 +207,46 @@ pub fn get_module_hash(instance: &mut Instance, name: &str, mut options: ItemDat
     hex.truncate(32);
 
     return Ok((hex, selector_str));
-
 }
 
-fn download_module(instance: &mut Instance, store_path: &str, module_url: &str, module_hash: &str, module_name: &str, module_selector: &str) -> MizeResult<()> {
+fn download_module(
-
+    instance: &mut Mize,
-
+    store_path: &str,
+    module_url: &str,
+    module_hash: &str,
+    module_name: &str,
+    module_selector: &str,
+) -> MizeResult<()> {
     let tmp_file_path_gz = format!("{}/{}.tar.gz", store_path, module_hash);
 
     let tmp_gz_file = if !PathBuf::from(tmp_file_path_gz.clone()).exists() {
-
         let mut tmp_gz_file = File::create(&tmp_file_path_gz)?;
 
-        debug!("downloading module '{}' with hash: {}", module_name, module_hash);
+        debug!(
+            "downloading module '{}' with hash: {}",
+            module_name, module_hash
+        );
 
-        let response = http_req::request::get(format!("http://{}/mize/dist/{}-{}.tar.gz", module_url, module_hash, module_name), &mut tmp_gz_file)?;
+        let response = http_req::request::get(
+            format!(
+                "http://{}/mize/dist/{}-{}.tar.gz",
+                module_url, module_hash, module_name
+            ),
+            &mut tmp_gz_file,
+        )?;
 
         let code = response.status_code();
         if code != 200.into() {
-            return Err(mize_err!("failed to get module '{}' with hash '{}' and selector: {}", module_name, module_hash, module_selector).msg(format!("the http request to fetch the module returned a status code of: {}", code)));
+            return Err(mize_err!(
+                "failed to get module '{}' with hash '{}' and selector: {}",
+                module_name,
+                module_hash,
+                module_selector
+            )
+            .msg(format!(
+                "the http request to fetch the module returned a status code of: {}",
+                code
+            )));
         }
 
         tmp_gz_file
@@ -233,10 +270,15 @@ fn download_module(instance: &mut Instance, store_path: &str, module_url: &str,
     Ok(())
 }
 
-pub fn fetch_module(instance: &mut Instance, module_name: &str) -> MizeResult<String> {
+pub fn fetch_module(instance: &mut Mize, module_name: &str) -> MizeResult<String> {
-
     let module_name_with_slashes = module_name.replace(".", "/");
-    if let Ok(module_path) = instance.get(format!("self/config/module_dir/{}", module_name_with_slashes))?.value_string() {
+    if let Ok(module_path) = instance
+        .get(format!(
+            "self/config/module_dir/{}",
+            module_name_with_slashes
+        ))?
+        .value_string()
+    {
         // in case a dir is configured, which holds the modules output
         return Ok(module_path);
     } else {
@@ -245,29 +287,41 @@ pub fn fetch_module(instance: &mut Instance, module_name: &str) -> MizeResult<St
 
         let store_path = instance.get("self/config/store_path")?.value_string()?;
 
-        let (module_hash, module_selector) = get_module_hash(instance, module_name, ItemData::new())?;
+        let (module_hash, module_selector) =
+            get_module_hash(instance, module_name, ItemData::new())?;
 
         if !PathBuf::from(format!("{}/modules/{}", store_path, module_hash.as_str())).exists() {
             // download module if it does not exist
-            download_module(instance, store_path.as_str(), module_url.as_str(), module_hash.as_str(), module_name, module_selector.as_str())?;
+            download_module(
+                instance,
+                store_path.as_str(),
+                module_url.as_str(),
+                module_hash.as_str(),
+                module_name,
+                module_selector.as_str(),
+            )?;
         }
 
         return Ok(format!("{}/modules/{}", store_path, module_hash.as_str()));
     }
 }
 
-pub fn load_module(instance: &mut Instance, module_name: &str, path: Option<String>) -> MizeResult<()> {
+pub fn load_module(instance: &mut Mize, module_name: &str, path: Option<String>) -> MizeResult<()> {
-    
     let module_path = if path.is_some() {
         format!("{}/lib/libmize_module_{}.so", path.unwrap(), module_name)
-
     } else {
-        format!("{}/lib/libmize_module_{}.so", fetch_module(instance, module_name)?, module_name) 
+        format!(
+            "{}/lib/libmize_module_{}.so",
+            fetch_module(instance, module_name)?,
+            module_name
+        )
     };
 
     let lib = unsafe { libloading::Library::new(module_path)? };
 
-    let func: libloading::Symbol<unsafe extern "C" fn(&mut Box<dyn Module + Send + Sync>, Instance) -> ()> = unsafe { lib.get(format!("get_mize_module_{}", module_name).as_bytes())? };
+    let func: libloading::Symbol<
+        unsafe extern "C" fn(&mut Box<dyn Module + Send + Sync>, Mize) -> (),
+    > = unsafe { lib.get(format!("get_mize_module_{}", module_name).as_bytes())? };
 
     let mut module: Box<dyn Module + Send + Sync> = Box::new(EmptyModule {});
 
@@ -289,7 +343,6 @@ pub fn load_module(instance: &mut Instance, module_name: &str, path: Option<Stri
 }
 
 pub fn config_from_cli_args(matches: &ArgMatches) -> MizeResult<ItemData> {
-
     let mut config = ItemData::new();
 
     if let Some(config_file_path) = matches.get_one::<String>("config-file") {
@@ -305,9 +358,7 @@ pub fn config_from_cli_args(matches: &ArgMatches) -> MizeResult<ItemData> {
     return Ok(config);
 }
 
-
 pub fn config_from_file(file_path: String) -> MizeResult<ItemData> {
-
     let toml_string = fs::read_to_string(&file_path)
         .mize_result_msg(format!("Could not read file {} as mize config", &file_path))?;
 
@@ -315,7 +366,3 @@ pub fn config_from_file(file_path: String) -> MizeResult<ItemData> {
 
     return Ok(item_data);
 }
-
-
-
-

parts/mize/src/platform/os/unix_socket.rs

@@ -1,15 +1,15 @@
+use ciborium::Value as CborValue;
+use flume::{unbounded, Receiver, Sender};
 use std::fs;
 use std::path::{Path, PathBuf};
-use tokio::net::{UnixListener as TokioUnixListener, UnixStream};
+use tokio::io::{AsyncReadExt, AsyncWriteExt, Interest};
 use tokio::net::unix::{OwnedReadHalf, OwnedWriteHalf};
-use tokio::io::{Interest, AsyncReadExt, AsyncWriteExt};
+use tokio::net::{UnixListener as TokioUnixListener, UnixStream};
-use flume::{Receiver, Sender, unbounded};
+use tracing::{debug, info, warn};
-use ciborium::Value as CborValue;
-use tracing::{info, warn, debug};
 
+use crate::error::{IntoMizeResult, MizeError, MizeResult};
 use crate::instance::connection::{ConnListener, Connection};
-use crate::instance::{self, Instance};
+use crate::instance::{self, Mize};
-use crate::error::{MizeError, MizeResult, IntoMizeResult};
 use crate::proto::{self, MizeMessage};
 
 pub struct UnixListener {
@@ -18,19 +18,30 @@ pub struct UnixListener {
 
 impl UnixListener {
     pub fn new(store_path: PathBuf) -> MizeResult<UnixListener> {
-        Ok(UnixListener { sock_path: store_path.join("sock").to_owned() })
+        Ok(UnixListener {
+            sock_path: store_path.join("sock").to_owned(),
+        })
+    }
 }
 
-}
+pub fn connect(instance: &mut Mize, store_path: PathBuf) -> MizeResult<()> {
+    let conn_id = instance.spawn_async_blocking(
+        "unix_connection",
+        connect_async(instance.clone(), store_path),
+    )?;
 
-
+    let ns_of_peer_str = instance
-pub fn connect(instance: &mut Instance, store_path: PathBuf) -> MizeResult<()> {
+        .get(format!(
-    let conn_id = instance.spawn_async_blocking("unix_connection", connect_async(instance.clone(), store_path) )?;
+            "inst/con_by_id/{}/peer/0/config/namespace",
-
+            conn_id
-    let ns_of_peer_str = instance.get(format!("inst/con_by_id/{}/peer/0/config/namespace", conn_id))?.value_string()?;
+        ))?
+        .value_string()?;
     let ns_of_peer = instance.namespace_from_string(ns_of_peer_str)?;
 
-    info!("connect_async ... ns_of_peer: {}", ns_of_peer.clone().as_string());
+    info!(
+        "connect_async ... ns_of_peer: {}",
+        ns_of_peer.clone().as_string()
+    );
 
     instance.connection_set_namespace(conn_id, ns_of_peer.clone());
     instance.set_namespace(ns_of_peer);
@@ -38,8 +49,7 @@ pub fn connect(instance: &mut Instance, store_path: PathBuf) -> MizeResult<()> {
     Ok(())
 }
 
-
+async fn connect_async(mut instance: Mize, store_path: PathBuf) -> MizeResult<u64> {
-async fn connect_async(mut instance: Instance, store_path: PathBuf) -> MizeResult<u64> {
     let mut stream = UnixStream::connect(store_path.join("sock")).await?;
     let (unix_read, unix_write) = stream.into_split();
 
@@ -47,7 +57,6 @@ async fn connect_async(mut instance: Instance, store_path: PathBuf) -> MizeResul
 
     let conn_id = instance.new_connection(send_tx)?;
 
-
     let cloned_instance = instance.clone();
     instance.spawn("incomming", move || {
         let result = unix_incomming(unix_read, cloned_instance, conn_id);
@@ -58,7 +67,6 @@ async fn connect_async(mut instance: Instance, store_path: PathBuf) -> MizeResul
         Ok(())
     });
 
-
     let outgoing_cloned_instance = instance.clone();
     instance.spawn("outgoing", move || {
         let result = unix_outgoing(unix_write, send_rx, outgoing_cloned_instance, conn_id);
@@ -72,31 +80,32 @@ async fn connect_async(mut instance: Instance, store_path: PathBuf) -> MizeResul
     return Ok(conn_id);
 }
 
-
 impl ConnListener for UnixListener {
-    fn listen(self, mut instance: Instance) -> MizeResult<()> {
+    fn listen(self, mut instance: Mize) -> MizeResult<()> {
         instance.spawn_async("unix listen async", unix_listen(self, instance.clone()));
         Ok(())
     }
 }
 
-
+async fn unix_listen(listener: UnixListener, mut instance: Mize) -> MizeResult<()> {
-async fn unix_listen(listener: UnixListener, mut instance: Instance) -> MizeResult<()> {
     // remove the file at sock_path if it already exists
     fs::remove_file(&listener.sock_path);
 
-    let listener = TokioUnixListener::bind(&listener.sock_path)
+    let listener = TokioUnixListener::bind(&listener.sock_path).mize_result_msg(format!(
-        .mize_result_msg(format!("Could not bind to unix socket at '{}'", listener.sock_path.display()))?;
+        "Could not bind to unix socket at '{}'",
+        listener.sock_path.display()
+    ))?;
 
     loop {
-        let (mut unix_sock, addr) = listener.accept().await
+        let (mut unix_sock, addr) = listener
+            .accept()
+            .await
             .mize_result_msg("Error while accepting Unix sock connection")?;
         info!("new connection");
 
         let (send_tx, send_rx) = unbounded::<MizeMessage>();
         let (unix_read, unix_write) = unix_sock.into_split();
 
-
         let conn_id = instance.new_connection(send_tx)?;
         let cloned_instance = instance.clone();
         instance.spawn("incomming", move || {
@@ -120,21 +129,35 @@ async fn unix_listen(listener: UnixListener, mut instance: Instance) -> MizeResu
     }
 }
 
-
+fn unix_outgoing(
-fn unix_outgoing(mut unix_write: OwnedWriteHalf, send_rx: Receiver<MizeMessage>, mut instance: Instance, conn_id: u64) -> MizeResult<()> {
+    mut unix_write: OwnedWriteHalf,
+    send_rx: Receiver<MizeMessage>,
+    mut instance: Mize,
+    conn_id: u64,
+) -> MizeResult<()> {
     for msg in send_rx {
         debug!("unix outgoing got msg: {}", msg);
-        let adapter = MyCiboriumWriter { inner: &mut unix_write, instance: &mut instance };
+        let adapter = MyCiboriumWriter {
+            inner: &mut unix_write,
+            instance: &mut instance,
+        };
         let value = msg.value();
         ciborium::into_writer(&value, adapter)?
     }
     Ok(())
 }
 
-fn unix_incomming(mut unix_read: OwnedReadHalf, mut instance: Instance, conn_id: u64) -> MizeResult<()> {
+fn unix_incomming(
+    mut unix_read: OwnedReadHalf,
+    mut instance: Mize,
+    conn_id: u64,
+) -> MizeResult<()> {
     loop {
         //println!("unix incoming loop...");
-        let adapter = MyCiboriumReader { inner: &mut unix_read, instance: &mut instance };
+        let adapter = MyCiboriumReader {
+            inner: &mut unix_read,
+            instance: &mut instance,
+        };
         let value: CborValue = ciborium::from_reader(adapter)?;
         if let CborValue::Integer(_) = value {
             break;
@@ -146,10 +169,9 @@ fn unix_incomming(mut unix_read: OwnedReadHalf, mut instance: Instance, conn_id:
     Ok(())
 }
 
-
 struct MyCiboriumWriter<'a> {
     inner: &'a mut OwnedWriteHalf,
-    instance: &'a mut Instance,
+    instance: &'a mut Mize,
 }
 
 impl<'a> ciborium_io::Write for MyCiboriumWriter<'a> {
@@ -172,7 +194,7 @@ impl<'a> ciborium_io::Write for MyCiboriumWriter<'a> {
 
 struct MyCiboriumReader<'a> {
     inner: &'a mut OwnedReadHalf,
-    instance: &'a mut Instance,
+    instance: &'a mut Mize,
 }
 
 async fn test(test: &mut OwnedReadHalf, buf: &mut [u8]) {
@@ -209,4 +231,3 @@ impl<'a> ciborium_io::Read for MyCiboriumReader<'a> {
         Ok(())
     }
 }
-