towards the next try of mize...

.gitignore

@@ -1,6 +1,6 @@
 
 /target
-/mize-folder
+/folder
 
 # I put testing stuff for this projekt that I don't want to push to github into a folder called gitignore
 /gitignore

Cargo.toml

@@ -4,20 +4,27 @@ version = "0.1.1"
 edition = "2021"
 
 [dependencies]
-#axum = { version = "0.6.1", features = ["ws", "headers"] }
+clap = { version = "4.4.11", features = ["cargo"] }
-#axum-extra = { version = "0.4.2", features = ["spa"] }
+home = "0.5.9"
-#axum-macros = "0.3.0"
+serde = { version = "1.0.152", features = ["derive"] }
-#colored = "2.0.0"
+serde_json = "1.0.91"
-#derive_more = "0.99.17"
+axum = { version = "0.6.1", features = ["ws", "headers"] }
-#futures-util = "0.3.24"
+axum-extra = { version = "0.4.2", features = ["spa"] }
+axum-macros = "0.3.0"
+colored = "2.0.0"
+derive_more = "0.99.17"
+futures-util = "0.3.24"
 #itertools = "0.10.5"
 #lazy_static = "1.4.0"
 #rmp-serde = "1.1.1"
 #rmpv = { version = "1.0.0", features = ["serde", "with-serde"] }
-#serde = "1.0.152"
+tokio = { version = "1.21.0", features = ["full", "net"] }
-#serde_json = "1.0.91"
+tokio-stream = "0.1.9"
-#tokio = {version = "1.21.0", features = ["full"]}
+toml = "0.5.10"
-#tokio-stream = "0.1.9"
-#toml = "0.5.10"
 #tower-http = "0.3.5"
-#uuid = "1.3.0"
+uuid = "1.3.0"
+log = "0.4.20"
+env_logger = "0.10.1"
+daemonize = "0.5.0"
+nix = { version = "0.27.1", features = ["signal"] }
+serde_cbor = "0.11.2"

flake.lock

@@ -0,0 +1,61 @@
+{
+  "nodes": {
+    "flake-utils": {
+      "inputs": {
+        "systems": "systems"
+      },
+      "locked": {
+        "lastModified": 1701680307,
+        "narHash": "sha256-kAuep2h5ajznlPMD9rnQyffWG8EM/C73lejGofXvdM8=",
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "rev": "4022d587cbbfd70fe950c1e2083a02621806a725",
+        "type": "github"
+      },
+      "original": {
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "type": "github"
+      }
+    },
+    "nixpkgs": {
+      "locked": {
+        "lastModified": 1703637592,
+        "narHash": "sha256-8MXjxU0RfFfzl57Zy3OfXCITS0qWDNLzlBAdwxGZwfY=",
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "cfc3698c31b1fb9cdcf10f36c9643460264d0ca8",
+        "type": "github"
+      },
+      "original": {
+        "owner": "NixOS",
+        "ref": "nixos-unstable",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
+    "root": {
+      "inputs": {
+        "flake-utils": "flake-utils",
+        "nixpkgs": "nixpkgs"
+      }
+    },
+    "systems": {
+      "locked": {
+        "lastModified": 1681028828,
+        "narHash": "sha256-Vy1rq5AaRuLzOxct8nz4T6wlgyUR7zLU309k9mBC768=",
+        "owner": "nix-systems",
+        "repo": "default",
+        "rev": "da67096a3b9bf56a91d16901293e51ba5b49a27e",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nix-systems",
+        "repo": "default",
+        "type": "github"
+      }
+    }
+  },
+  "root": "root",
+  "version": 7
+}

flake.nix

@@ -0,0 +1,17 @@
+{
+  inputs = {
+    # nixpkgs 35.11 still contains rust 1.73
+		nixpkgs.url = "github:NixOS/nixpkgs/nixos-unstable";
+
+ 		flake-utils.url = "github:numtide/flake-utils";
+  };
+  outputs = { flake-utils, nixpkgs, ... }@inputs: flake-utils.lib.eachDefaultSystem (system: let pkgs = nixpkgs.legacyPackages.${system}; in {
+
+      
+    #packages.default =
+    devShells.default = pkgs.mkShell {
+      buildInputs = with pkgs; [ cargo rustc ];
+    };
+  });
+}
+

src/cli/call.rs

@@ -0,0 +1,4 @@
+use clap::ArgMatches;
+
+pub async fn call(sub_matches: &ArgMatches) {
+}

src/cli/daemon.rs

@@ -0,0 +1,63 @@
+use std::path::PathBuf;
+
+use clap::ArgMatches;
+use home::home_dir;
+use std::fs::File;
+use log::{trace, debug, info, warn, error};
+use nix::sys::signal::{self, Signal};
+
+use crate::error::{MizeResultTrait, IntoMizeResult, MizeError};
+use crate::instance::Instance;
+
+
+pub async fn daemon(sub_matches: &ArgMatches) {
+    let instance_path = match sub_matches.get_one::<String>("store") {
+        Some(a) => PathBuf::from(a),
+        None => {
+            let mut home_dir = home_dir()
+            .ok_or(MizeError::new().category("io").category("env").msg("could not get the home directory, where the mize store is by default")).critical();
+            home_dir.push(".mize");
+            home_dir
+        },
+    };
+
+    let instance = Instance::new(instance_path.clone()).await.critical();
+
+    info!("Opened Instance at \"{}\"", instance_path.clone().display());
+
+    match sub_matches.subcommand() {
+        // stop the daemon
+        Some(("stop", _)) => {
+            if instance.daemon_is_running().await.critical() {
+                //instance.stop_daemon();
+                println!("Todo")
+            } else {
+                warn!("Daemon is already not running.");
+            };
+        },
+        Some(("status", _)) => {
+            if instance.daemon_is_running().await.critical() {
+                eprintln!("Daemon is running");
+            } else {
+                eprintln!("Daemon is not running");
+            };
+        },
+
+        Some(("kill", _)) => {
+            signal::kill(instance.get_daemon_pid().await.critical(), Signal::SIGTERM).mize_result_msg("Could not kill daemon").critical();
+        },
+
+        Some((cmd, _)) => {
+            error!("Unknown Command: {}", cmd);
+        }
+
+        // just start the daemon
+        None => {
+            if !instance.daemon_is_running().await.critical() {
+                debug!("Daemon is not running. starting...");
+                instance.start_deamon().await.critical();
+                info!("Daemon Started");
+            };
+        },
+    }
+}

src/cli/get.rs

@@ -0,0 +1,23 @@
+use std::path::PathBuf;
+
+use clap::ArgMatches;
+use home::home_dir;
+
+use crate::error::{MizeResultTrait, IntoMizeResult, MizeError};
+use crate::instance::Instance;
+
+
+
+pub async fn get(sub_matches: &ArgMatches) {
+    let instance_folder_path = match sub_matches.get_one::<String>("store") {
+        Some(a) => PathBuf::from(a),
+        None => {
+            let mut home_dir = home_dir()
+            .ok_or(MizeError::new().category("io").category("env").msg("could not get the home directory, where the mize store is by default")).critical();
+            home_dir.push(".mize");
+            home_dir
+        },
+    };
+    let instance = Instance::new(instance_folder_path);
+}
+

src/cli/mod.rs

@@ -0,0 +1,16 @@
+
+pub mod daemon;
+pub mod serve;
+pub mod get;
+pub mod set;
+pub mod mount;
+pub mod print;
+pub mod call;
+
+pub use daemon::daemon;
+pub use serve::serve;
+pub use get::get;
+pub use set::set;
+pub use mount::mount;
+pub use print::print;
+pub use call::call;

src/cli/mount.rs

@@ -0,0 +1,4 @@
+use clap::ArgMatches;
+
+pub async fn mount(sub_matches: &ArgMatches) {
+}

src/cli/print.rs

@@ -0,0 +1,4 @@
+use clap::ArgMatches;
+
+pub async fn print(sub_matches: &ArgMatches) {
+}

src/cli/serve.rs

@@ -0,0 +1,4 @@
+use clap::ArgMatches;
+
+pub async fn serve(sub_matches: &ArgMatches) {
+}

src/cli/set.rs

@@ -0,0 +1,4 @@
+use clap::ArgMatches;
+
+pub async fn set(sub_matches: &ArgMatches) {
+}

src/error.rs

@@ -0,0 +1,271 @@
+
+use std::collections::HashMap;
+use std::fmt::Debug;
+use std::fmt::Display;
+use std::fmt::format;
+use std::string::FromUtf8Error;
+use toml::Value;
+use colored::Colorize;
+use std::io;
+use log::{trace, debug, info, warn, error};
+
+use serde_json::Value as JsonValue;
+use toml;
+
+use crate::instance::Connection;
+use crate::proto::MizeMessage;
+
+pub type MizeResult<T> = Result<T, MizeError>;
+
+pub trait MizeResultTrait<T> {
+    fn critical(self) -> 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 ;
+}
+
+#[derive(Debug, Clone)]
+pub struct MizeError {
+    pub category: Vec<String>,
+    pub code: u32,
+    pub messages: Vec<String>,
+    pub caused_by_msg: Option<CausedByMessage>,
+    pub code_location: Option<MizeCodeLocation>,
+}
+
+#[derive(Debug, Clone)]
+pub struct CausedByMessage {
+    // peer: &Connection, // TODO: add later
+    msg: Box<MizeMessage>,
+}
+
+#[derive(Debug, Clone)]
+pub struct MizeCodeLocation {
+    file: String,
+    line: u32,
+    column: u32,
+}
+
+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)
+    }
+}
+
+impl From<&std::panic::Location <'_>> for MizeCodeLocation {
+    fn from(panic_location: &std::panic::Location) -> MizeCodeLocation {
+        let file = panic_location.file().to_string();
+        let line = panic_location.line();
+        let column = panic_location.column();
+        MizeCodeLocation {file, line, column}
+    }
+}
+
+impl MizeError {
+    #[track_caller]
+    pub fn code(code: u32) -> MizeError {
+        let caller_location = std::panic::Location::caller();
+
+        get_error_by_code(code, caller_location)
+    }
+
+    pub fn set_code(mut self, code: u32) -> MizeError {
+        self.code = code;
+        return self;
+    }
+
+    #[track_caller]
+    pub fn new() -> MizeError {
+        let caller_location = std::panic::Location::caller();
+
+        return MizeError {
+            category: Vec::new(),
+            code: 0,
+            messages: Vec::new(),
+            caused_by_msg: None,
+            code_location: Some(caller_location.into()),
+        }
+    }
+
+    pub fn msg<E>(mut self, msg: E) -> MizeError 
+        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> {
+        self.category.push(category.into());
+        return self;
+    }
+    
+    fn send(self) -> MizeError{
+        self
+    }
+
+    fn add_to_err_item(self) -> MizeError {
+        self
+    }
+
+    pub fn log(self) -> MizeError {
+        error!("MizeError encountered: {}", self.messages.join("\n"));
+        self
+    }
+
+    pub fn handle(self) -> MizeError {
+        return self.send().add_to_err_item().log();
+    }
+
+    pub fn critical(self){
+        let mut msg_iter = self.messages.iter();
+        match msg_iter.next() {
+            None => {
+                error!("{} MizeError with code: {}", "CRITICAL".red(), self.code);
+            },
+            Some(msg) => {
+                error!("{} MizeError with code: {} - {}", "CRITICAL".red(), self.code, msg);
+            },
+        }
+        for msg in msg_iter {
+            error!("{} {}", "MSG".red(), msg)
+        }
+        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 trait MizeResultExtension<T> {
+    fn extra_msg<E>(self, msg: E) -> Result<T, MizeError>
+        where E: std::fmt::Display
+    ;
+    fn handle(self) -> Result<T, MizeError>;
+
+    fn is_critical(self) -> T;
+}
+
+impl<T> MizeResultExtension<T> for Result<T, MizeError> {
+    fn msg<E>(mut self, msg: E) -> Result<T, MizeError>
+        where E: std::fmt::Display
+    {
+        match self {
+            Err(ref mut e) => {
+                e.msg.push(format!("{}", msg));
+                return self;
+            },
+            Ok(something) => Ok(something),
+        }
+    }
+    fn handle(self) -> Result<T, MizeError> {
+        match self {
+            Err(e) => {
+                Err(e.send().add_to_err_item().write_to_stderr())
+            },
+            Ok(something) => Ok(something)
+        }
+    }
+    fn is_critical(self) -> T {
+        self.expect("Aborting because of a critical Error")
+    }
+}
+*/
+
+/*
+impl From<FromUtf8Error> for MizeError {
+    #[track_caller]
+    fn from(utf_err: FromUtf8Error) -> MizeError{
+        let caller_location = std::panic::Location::caller();
+
+        let mut err = MizeError::code(109).msg(format!("From std::string::FromUtf8Error: {}", utf_err));
+        err.code_location = Some(caller_location.into());
+        return err;
+    }
+}
+*/
+
+impl<E> From<E> for MizeError where E: std::fmt::Display {
+    fn from(e: E) -> MizeError {
+        MizeError::new().msg(format!("From generic Rust error: {}", e))
+    }
+}
+
+impl <T> MizeResultTrait<T> for MizeResult<T> {
+    fn critical(self) -> T {
+        match self {
+            Ok(val) => val,
+            Err(err) => {
+                err.critical();
+                unreachable!()
+            },
+        }
+    }
+}
+
+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().category("misc").msg(format!("From any Error: {}", err))),
+        }
+    }
+    #[track_caller]
+    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().category("misc").msg(format!("{}", msg)).msg(format!("From any Error: {}", err))),
+        }
+    }
+}
+
+/*
+impl<T> IntoMizeResult<T> for io::Result<T> {
+    #[track_caller]
+    fn mize_result(self) -> MizeResult<T> {
+        let caller_location = std::panic::Location::caller();
+
+        match self {
+            Ok(val) => MizeResult::Ok(val),
+            Err(io_err) => MizeResult::Err(MizeError::new().category("io").msg(format!("From an io::Error: {}", io_err))),
+        }
+    }
+    #[track_caller]
+    fn mize_result_msg(self, msg: dyn Into<&str>) -> MizeResult<T> {
+        let caller_location = std::panic::Location::caller();
+        match self {
+            Ok(val) => MizeResult::Ok(val),
+            Err(io_err) => MizeResult::Err(MizeError::new().category("io").msg(msg).msg(format!("From an io::Error: {}", io_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()),
+    };
+
+    match code {
+        109 => err.set_code(109).category("decoding").msg("conversion from utf8 failed"),
+        108 => err.set_code(108).category("decoding").msg("serde deserialisation failed"),
+        _ => err,
+    }
+}
+
+
+

src/instance/connection.rs

@@ -0,0 +1,74 @@
+use log::{trace, debug, info, warn, error};
+use tokio::{sync::mpsc::{Sender, Receiver}, net::UnixStream};
+use tokio::net::unix::{OwnedReadHalf, OwnedWriteHalf};
+use tokio::io::{self, Interest};
+
+use crate::proto::MizeMessage;
+use crate::error::{MizeError, MizeResult, IntoMizeResult};
+
+#[derive(Debug)]
+pub struct Connection {
+    tx: Sender<MizeMessage>,
+    rx: Receiver<MizeMessage>,
+}
+
+impl Connection {
+    pub fn from_unix(unix_sock: UnixStream) -> Connection {
+
+    let (recieve_tx, recieve_rx) = tokio::sync::mpsc::channel(crate::instance::UNIX_SOCKET_CHANNEL_SIZE);
+    let (send_tx, send_rx) = tokio::sync::mpsc::channel(crate::instance::UNIX_SOCKET_CHANNEL_SIZE);
+    let (unix_read, unix_write) = unix_sock.into_split();
+
+    // TODO: error handling and close con on error
+    tokio::spawn(unix_send(unix_write, send_rx));
+    tokio::spawn(unix_recieve(unix_read, recieve_tx));
+
+    return Connection { tx: send_tx, rx: recieve_rx }
+
+    }
+}
+
+async fn unix_send(unix_write: OwnedWriteHalf, send_rx: Receiver<MizeMessage>) -> MizeResult<()> {
+    loop {
+        let ready = unix_write.ready(Interest::WRITABLE).await.mize_result_msg("hi")?;
+        if ready.is_writable() {
+            // Try to write data, this may still fail with `WouldBlock`
+            // if the readiness event is a false positive.
+            match unix_write.try_write(b"hello world") {
+                Ok(n) => {
+                    println!("wrote {} bytes to unix sock", n);
+                }
+                Err(ref e) if e.kind() == io::ErrorKind::WouldBlock => {
+                    continue;
+                }
+                Err(e) => {
+                    return Err(e.into());
+                }
+            }
+        }
+    }
+}
+
+async fn unix_recieve(unix_read: OwnedReadHalf, recieve_tx: Sender<MizeMessage>) -> MizeResult<()> {
+    loop {
+        let ready = unix_read.ready(Interest::READABLE).await.mize_result_msg("hi")?;
+
+        if ready.is_readable() {
+            let mut data = vec![0; 1024];
+            // Try to read data, this may still fail with `WouldBlock`
+            // if the readiness event is a false positive.
+            match unix_read.try_read(&mut data) {
+                Ok(n) => {
+                    println!("read {} bytes from unix sock", n);        
+                }
+                Err(ref e) if e.kind() == io::ErrorKind::WouldBlock => {
+                    continue;
+                }
+                Err(e) => {
+                    return Err(e.into());
+                }
+            }
+
+        }
+    }
+}

src/instance/mod.rs

@@ -0,0 +1,213 @@
+use std::collections::HashMap;
+use std::path::PathBuf;
+use std::fs::create_dir;
+use colored::Colorize;
+use log::{trace, debug, info, warn, error};
+use tokio::net::{UnixListener, UnixStream};
+use uuid::Uuid;
+use std::fs::File;
+use std::path::Path;
+use daemonize::Daemonize;
+use nix::unistd::Pid;
+
+use crate::error::{MizeError, MizeResult, IntoMizeResult, MizeResultTrait};
+use crate::itemstore::{Itemstore, self};
+use crate::item::{Item, MizeId, ItemGeneral};
+
+pub mod peer;
+pub mod connection;
+
+pub use connection::Connection;
+
+static UNIX_SOCKET_CHANNEL_SIZE: usize = 200;
+static WEB_SOCKET_CHANNEL_SIZE: usize = 200;
+static TCP_SOCKET_CHANNEL_SIZE: usize = 200;
+static UPDATE_CHANNEL_SIZE: usize = 200;
+
+
+pub struct Instance {
+    store: Itemstore,
+    peers: Vec<Connection>,
+    realm_instance: Option<(RealmId, Vec<Connection>)>,
+}
+
+pub enum RealmId {
+    Uuid(Uuid),
+    Local(Vec<String>),
+    Tld(Vec<String>),
+}
+
+impl Instance {
+    pub async fn new(instance_path: PathBuf) -> MizeResult<Instance> {
+        trace!("[ {} ] Instance::new()", "CALL".yellow());
+        trace!("[ {} ] instance_path: {:?}", "ARG".yellow(), instance_path);
+
+        // if path does not exist, create it
+        if instance_path.exists() == false {
+            debug!("instance path \"{}\" does not exist, so creating it", instance_path.clone().display());
+            File::create(&instance_path)
+                .mize_result_msg(format!("Could not create Instance at: {}", &instance_path.display())).critical();
+        }
+
+        // if a daemon is running, return instance with memory store
+        // with realm_instance at that daemon
+        let mut instance = match find_running_ademon(instance_path.clone()).await {
+            Ok(con) => {
+                Instance {
+                    store: Itemstore::Memory(itemstore::new_memory_store()?),
+                    peers: vec![con],
+                    realm_instance: None,
+                }
+            },
+
+            // else open the itemstore
+            Err(err) => {
+                Instance {
+                    store: Itemstore::Folder(itemstore::new_folder_store(instance_path)?),
+                    peers: vec![],
+                    realm_instance: None,
+                }
+            },
+        };
+
+        if !instance.store.has_item(MizeId::main(1)).await? {
+            // create first item ... which is this instance
+            let mut instance_item = ItemGeneral {
+                id: MizeId::main(1),
+                kind: vec!["instance".to_owned()],
+                value: Vec::new(),
+                map: HashMap::new(),
+            };
+            instance_item.map.insert("daemon".to_owned(), MizeId::main(1).join("daemon"));
+            instance.store.set_item(Item::General(instance_item)).await?;
+
+            let mut daemon_item = ItemGeneral {
+                id: MizeId::main(1).join("daemon"),
+                kind: vec!["instance/daemon".to_owned()],
+                value: Vec::new(),
+                map: HashMap::new(),
+            };
+            daemon_item.map.insert("log".to_owned(), MizeId::main(1).join("daemon").join("log"));
+            daemon_item.map.insert("pid".to_owned(), MizeId::main(1).join("daemon").join("pid"));
+            instance.store.set_item(Item::General(daemon_item)).await?;
+
+            let log_item = ItemGeneral {
+                id: MizeId::main(1).join("daemon").join("log"),
+                kind: vec!["blob".to_owned()],
+                value: Vec::new(),
+                map: HashMap::new(),
+            };
+            instance.store.set_item(Item::General(log_item)).await?;
+
+            let pid_item = ItemGeneral {
+                id: MizeId::main(1).join("daemon").join("pid"),
+                kind: vec!["int".to_owned()],
+                value: Vec::new(),
+                map: HashMap::new(),
+            };
+            instance.store.set_item(Item::General(pid_item)).await?;
+        };
+
+        return Ok(instance);
+
+    }
+
+    pub async fn start_deamon(mut self) -> MizeResult<()> {
+        trace!("[ {} ] Instance::start_deamon()", "CALL".yellow());
+        // daemonize
+        let stdout = self.get_item(MizeId::main(1).join("daemon").join("log")).await?.value_as_file()?;
+
+        let pid_file = self.get_item(MizeId::main(1).join("daemon").join("pid")).await?.value_as_path()?;
+
+        let daemonize = Daemonize::new()
+            .pid_file(pid_file)
+            //.chown_pid_file(true)      // is optional, see `Daemonize` documentation
+            //.working_directory("/tmp") // for default behaviour.
+            //.user("nobody")
+            //.group("daemon") // Group name
+            //.group(2)        // or group id.
+            //.umask(0o777)    // Set umask, `0o027` by default.
+            .stdout(stdout);  // Redirect stdout to `/tmp/daemon.out`.
+            //.privileged_action(|| "Executed before drop privileges");
+
+        daemonize.start().mize_result_msg("Error daemonizing")?;
+
+        info!("Succesfuly Daemonized");
+
+        // listen on unix socket
+        let sock_path = self.get_item(MizeId::main(1).join("daemon").join("sock")).await?.value_as_path()?;
+        let listener = UnixListener::bind(&sock_path)
+            .mize_result_msg(format!("Could not bind to unix Socket at: {}", sock_path.display())).critical();
+        loop {
+            match listener.accept().await {
+                Ok((unix_sock, _addr)) => {
+                    self.peers.push(Connection::from_unix(unix_sock))
+                },
+                Err(e) => { MizeError::new().msg("New Peer failed").msg(format!("{}", e)).log(); },
+            };
+        }
+    }
+
+    pub async fn get_daemon_pid(self) -> MizeResult<Pid> {
+        trace!("[ {} ] Instance::get_daemon_pid()", "CALL".yellow());
+        todo!()
+    }
+
+    pub async fn daemon_is_running(&self) -> MizeResult<bool> {
+        trace!("[ {} ] Instance::daemon_is_running()", "CALL".yellow());
+        let sock_path = self.get_item(MizeId::main(1).join("daemon").join("sock")).await?.value_as_path()?;
+        match find_running_ademon(sock_path).await {
+            Ok(_) => Ok(true),
+            Err(_) => Ok(false),
+        }
+    }
+
+
+    // item funcs
+    pub async fn get_item(&self, id: MizeId) -> MizeResult<Item> {
+        self.store.get_item(id).await
+    }
+    pub async fn set_item(&mut self, item: Item) -> MizeResult<()> {
+        self.store.set_item(item).await
+    }
+    pub async fn create_item(&mut self) -> MizeResult<MizeId> {
+        self.store.create_item().await
+    }
+
+    //pub fn update_item(self) -> MizeResult<Item> {
+        //todo!()
+    //}
+    //pub fn on_item_update(self) -> MizeResult<Item> {
+        //todo!()
+    //}
+}
+
+async fn find_running_ademon(path: PathBuf) -> MizeResult<Connection> {
+        match UnixStream::connect(path).await {
+            Ok(val) => Ok(Connection::from_unix(val)),
+            Err(err) => Err(MizeError::new().msg("No Daemon found to connect")),
+        }
+}
+
+
+fn handle_connection() {
+    todo!()
+}
+
+/*
+fn get_instance_type() -> MizeResult<Item> {
+
+    let mut types_item = Item::new("types");
+
+    // instance
+    let instance_str = include_str!("../../types/mize/instance/item.json");
+    let instance = Item::new("type").load_json(instance_str)?;
+    types_item.set("instance", instance);
+
+    return Ok(types_item);
+}
+*/
+
+
+
+

src/instance/peer.rs

@@ -0,0 +1 @@
+

src/instance/web.rs

@@ -0,0 +1,239 @@
+
+static SERVER_PORT: u16 = 3000;
+static API_ENDPOINT: &str = "@mize";
+
+
+pub fn run() -> Result<Web, MizeError> {
+    /*
+     *  - Run a Webserver
+     *
+     *
+     *
+     */
+
+ 
+    // I will deal with renders later. cli only for now
+    // let renders = 
+
+//    for render in &*renders {
+//        match render.render_type {
+//            RenderType::JsonUi => {},
+//            RenderType::WebComponent => {
+//                let url_path = String::from("/api/render/") + &render.name + "/webroot";
+//                let file_path = mutexes.mize_folder.clone() + "/mr/" + &render.folder[..] + "/" + &render.webroot.clone()[..];
+//                let serve_dir = get_service(ServeDir::new(&file_path)).handle_error(handle_error);
+
+//                app = app.nest_service(&url_path, serve_dir);
+//            },
+//        }
+//    }
+
+
+    // let serve_client = get_service(ServeDir::new("js-client/src")).handle_error(handle_error);
+
+    let mut app = Router::new()
+        .route(format!("/{}/socket", API_ENDPOINT), get(websocket_handler))
+//        .route(format!("/{}/render/:id", API_ENDPOINT), get(get_render_main))
+//        .route(format!("/{}/file", API_ENDPOINT), get(get_file_handler))
+//        .merge(SpaRouter::new(format!("/{}/client", API_ENDPOINT), "js-client/src").index_file("main.html"))
+//        .nest_service(format!("/{}/client", API_ENDPOINT), serve_client)
+        .with_state(main)
+        .fallback(render_item);
+
+    let addr = SocketAddr::from(([0, 0, 0, 0], SERVER_PORT));
+    // tracing::debug!("listening on {}", addr);
+
+    axum::Server::bind(&addr)
+        .serve(app.into_make_service())
+        .await
+        .expect(format!("Unable to bind axum::Server to {}", addr));
+}
+
+pub struct Web {
+}
+
+impl Web {
+
+}
+
+
+async fn handle_error(_err: std::io::Error) -> impl IntoResponse {
+        MizeError::new(0).msg("internal server error").handle()
+        (StatusCode::INTERNAL_SERVER_ERROR, "Something went wrong...")
+}
+
+async fn render_item(uri: Uri) -> impl IntoResponse {
+    Html(fs::read_to_string("js-client/src/main.html").unwrap())
+}
+
+//#[axum_macros::debug_handler]
+//async fn get_render_main(extract::Path(id): extract::Path<String>, State(mutexes): State<Mutexes>) -> http::Response<String> {
+//    let renders = &*mutexes.renders.lock().await;
+
+//    let render = renders.iter().filter(|&render| render.name == id).nth(0)
+//        .unwrap_or(renders.iter().filter(|&render| render.name == "mize-mmejs").nth(0).expect("mize-mmejs"));
+
+//    let file_path = mutexes.mize_folder.clone() + "/mr/" + &render.folder + "/" + &render.main;
+
+//    match render.render_type {
+//        RenderType::JsonUi => {
+//            return Response::builder()
+//                .header("content-type", "application/json")
+//                .status(StatusCode::OK)
+//                .body(fs::read_to_string(file_path).unwrap()).unwrap();
+//        },
+//        RenderType::WebComponent => {
+//            return Response::builder()
+//                .header("content-type", "application/javascript")
+//                .status(StatusCode::OK)
+//                .body(fs::read_to_string(file_path).unwrap()).unwrap();
+//        },
+//    }
+//}
+
+async fn websocket_handler(
+        ws: WebSocketUpgrade,
+        State(main): State<&Main>,
+        headers: HeaderMap,
+) -> impl IntoResponse {
+    ws.on_upgrade(|socket| handle_websocket_connection(socket, main, headers))
+}
+
+async fn handle_websocket_connection(
+    socket: WebSocket,
+    main: &Main,
+    headers: HeaderMap,
+){
+    //TODO: auth
+
+    //socket_tx.send() ... send out the socket
+    //socket_rx.read() ... read a message from the socket
+    let (mut socket_tx, mut socket_rx) = socket.split();
+
+    // msg_tx.send() ... send a MizeMessage to a Peer. should be in a Peer struct
+    // msg_rx.read() ... read MizeMessages that should be sent to the Peer that this ws connection is to
+    let (msg_tx, msg_rx): (Sender<proto::MizeMessage>, Receiver<proto::MizeMessage>) = mpsc::channel(SOCKET_CHANNEL_SIZE);
+
+    // why is this actually
+    let mut msg_rx = ReceiverStream::new(msg_rx);
+
+    // check if mize-module header exists
+//    let origin = if let Some(mod_header_val) = headers.get("mize-module"){
+
+//        let mut mods = mutexes.modules.lock().await;
+//        let mut client_id = mutexes.next_free_client_id.lock().await;
+//        let mut module = Module{
+//            tx: msg_tx.clone(),
+//            client_id: *client_id,
+//            name: String::from("tmp"),
+//            kind: ModuleKind::Extern(),
+//            registered_types: Vec::new(),
+//        };
+
+//        *client_id += 1;
+
+//        if let Ok(name) = mod_header_val.to_str() {
+//            module.name = name.to_string();
+//        } else {
+//            let err = MizeError::new(113)
+//                .extra_msg("The mize-module Header could not be decoded into a String.");
+
+//            msg_tx.send(proto::MizeMessage::Json(err.to_json_message())).await;
+//            return;
+//        };
+//        println!("module {} connected", module.name);
+//        mods.push(module.clone());
+//        drop(mods);
+//        Peer::Module(module)
+
+//    } else {
+//    };
+
+    // Forwarding messages
+    tokio::spawn(async move {
+        while let Some(msg) = msg_rx.next().await {
+            match msg {
+                proto::MizeMessage::Json(json_msg) => {
+                    if let Ok(msg) = serde_json::to_string(&json_msg) {
+                        let result = socket_tx.send(Message::Text(msg.clone())).await;
+                        if let Err(e) = result {
+                            println!("Client no longer Connected: {:?}", e);
+                            remove_peer(myorigin.clone(), mymutexes.clone()).await;
+                        } else {
+                            println!("SENDING: {}", msg);
+                        }
+                    } else {
+                        let err: MizeError = MizeError::new(11).extra_msg("error while serializing a json message").handle();
+                        if let Ok(text) = serde_json::to_string(&err.to_json()){
+                            socket_tx.send(Message::Text(text));
+                        } else {
+                            MizeError::new(11).extra_msg("not even being able to serialize an error, while failing to serializing a message").handle();
+                        }
+                    }
+                }
+                proto::MizeMessage::Bin(bin_msg) => {
+                    socket_tx.send(Message::Binary(bin_msg.raw)).await;
+                }
+                proto::MizeMessage::Pong() => {
+                    socket_tx.send(Message::Pong(Vec::new())).await;
+                }
+                proto::MizeMessage::Close((num, reason)) => {
+                    println!("SENDING Close message");
+                    socket_tx.send(Message::Close(Some(CloseFrame{code: num, reason: Cow::Owned(reason)}))).await;
+                }
+            }
+        }
+    });
+
+    // Reading messages
+    while let Some(result) = socket_rx.next().await {
+        let msg = if let Ok(msg) = result {msg} else {
+            let err = MizeError::new(115).extra_msg("TCP Connection Closed");
+            remove_peer(origin.clone(), mutexes.clone());
+            return;
+        };
+        match msg {
+            Message::Binary(b) => {
+                println!("Recieved a Binary Message. Those are not implemented yet.")
+            },
+
+
+            Message::Text(text) => {
+                println!("GOT: {}", text);
+                let json_msg: proto::JsonMessage = serde_json::from_str(&text).expect("error parsing json");
+                if let Err(err) = proto::handle_json_msg(json_msg, origin.clone(), mutexes.clone()).await {
+                    let err_msg: MizeMessage = err.handle().into();
+                    origin.send(err_msg).await;
+                };
+            },
+
+            Message::Close(inner) => {
+                match inner {
+                    Some(CloseFrame{code, reason}) => {
+                        origin.send(MizeMessage::Close((code, reason.into_owned()))).await;
+                    },
+                    None => {
+                        origin.send(MizeMessage::Close((1000, "You didn't send a Close Reason".to_owned()))).await;
+                    }
+                };
+
+                println!("Close from Client");
+                remove_peer(origin.clone(), mutexes.clone()).await;
+            }
+
+
+            Message::Ping(_) => {
+                msg_tx.send(MizeMessage::Pong());
+            },
+
+
+            Message::Pong(_) => {
+                let err = MizeError::new(11)
+                    .extra_msg("unhandeld WebSocket-Message type: Pong")
+                    .handle();
+                msg_tx.send(proto::MizeMessage::Json(err.to_json_message())).await;
+            },
+
+        };
+    };
+}

src/item.rs

@@ -0,0 +1,234 @@
+use log::{trace, debug, info, warn, error};
+use std::{collections::HashMap, path::PathBuf, io::Cursor, fmt::Display};
+use serde_cbor::Value as CborValue;
+use std::fs::File;
+use tokio::sync::Mutex;
+
+use crate::error::{MizeError, MizeResult, IntoMizeResult};
+
+
+#[derive(Debug)]
+pub enum Item {
+    Cbor(ItemCbor),
+    Folder(ItemFolder),
+    Ref(ItemRef),
+}
+
+#[derive(Clone, Debug)]
+pub struct ItemCbor {
+    pub inner: CborValue,
+    pub id: MizeId,
+}
+
+#[derive(Debug)]
+pub struct ItemFolder {
+    pub path: PathBuf,
+    pub id: MizeId,
+}
+
+#[derive(Debug)]
+pub struct ItemRef {
+    pub store: Mutex<Rc<Itemstore>>,
+    pub id: MizeId,
+}
+
+#[derive(Clone, Debug, Hash, PartialEq, Eq)]
+pub struct MizeId {
+    pub main: u64,
+    pub path: Option<Vec<String>>
+}
+
+pub struct MizeType {
+}
+
+
+//////////////////////////////////////////////////////////////////////////////////////////////
+
+
+impl Display for MizeId {
+    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
+        if let Some(path) = &self.path {
+            write!(f, "{}/{}", self.main, path.join("/"))
+        } else {
+            write!(f, "{}", self.main)
+        }
+    }
+}
+
+impl MizeId {
+    pub fn main(main: u64) -> MizeId {
+        MizeId { main, path: None }
+    }
+    pub fn join(self, segment: &str) -> MizeId {
+        let mut new = self.clone();
+        match new.path {
+            None => {
+                new.path = Some(vec![segment.to_owned()]);
+            }
+            Some(ref mut val) => {
+                val.push(segment.to_owned());
+            }
+        }
+        return new;
+    }
+}
+
+
+
+//////////////////////////////////////////////////////////////////////////////////////////////
+
+impl ItemCbor {
+    fn value_as_file(&self) -> MizeResult<File> {
+        /* sadly does not work like that
+        let cbor_c = self.inner.get("v").ok_or(MizeError::new()
+            .msg(format!("The ItemCbor ({}) does not have a \"c\" field ... so can't get it as a file", self.id()?)))?;
+        match cbor_c {
+            Cbor::Bytes(val) => {
+                return Ok(Cursor::new(val.clone()).into());
+            },
+            _ => {
+                return Err(MizeError::new().msg(format!("The value fo item ({}) is not of type Cbor::Bytes", self.id()?)));
+            },
+        }
+        */
+        return File::open(self.value_as_path()?).mize_result_msg("Could not open file");
+    }
+
+    fn value_as_path(&self) -> MizeResult<PathBuf> {
+        todo!()
+    }
+
+    /* an old way of getting the id this
+    fn id(self) -> MizeResult<MizeId> {
+        let cbor_item = self.inner.get("item".to_owned()).ok_or(MizeError::new()
+            .msg("ItemCbor had no path: \"item\""))?;
+
+        let cbor_id = match cbor_item {
+            Cbor::Map(map) => {
+                map.get("id").ok_or(MizeError::new().msg("ItemCbor had no path \"item/id\""))
+            },
+            _ => {
+                return Err(MizeError::new().msg("ItemCbor path \"item\" was not of type Cbor::Map"));
+            },
+        };
+
+        let id = match cbor_id {
+            Cbor::Unsigned(val) => val.into_u64(),
+            _ => {
+                return Err(MizeError::new().msg("ItemCbor path \"item/id\" was not of type Cbor::Unsigned"));
+            },
+            
+        };
+
+        return Ok(MizeId { inner: id });
+    }
+    // */
+
+    fn id(&self) -> MizeResult<MizeId> {
+        Ok(self.id.clone())
+    }
+    fn as_cbor(&self) -> MizeResult<ItemCbor> {
+        Ok(self.clone())
+    }
+    fn write_to_path(&self, path: PathBuf) -> MizeResult<()> {
+        todo!()
+        //let cbor_content = 
+        //std::fs::write(path.join(format!("{}", self.id)), );
+    }
+}
+
+impl ItemFolder {
+    fn value_as_file(&self) -> MizeResult<File> {
+        let file = File::open(self.path.join("v"))
+            .mize_result_msg(format!("Could not open the value file of item ({})", self.id()?));
+        return file;
+    }
+
+    fn value_as_path(&self) -> MizeResult<PathBuf> {
+        return Ok(self.path.clone());
+    }
+
+    fn id(&self) -> MizeResult<MizeId> {
+        Ok(self.id.clone())
+    }
+
+    fn as_cbor(&self) -> MizeResult<ItemCbor> {
+        todo!()
+    }
+
+    fn write_to_path(&self, path: PathBuf) -> MizeResult<()> {
+        Ok(())
+    }
+}
+
+impl ItemRef {
+    fn value_as_file(&self) -> MizeResult<File> {
+        todo!()
+    }
+
+    fn value_as_path(&self) -> MizeResult<PathBuf> {
+        todo!()
+    }
+
+    fn id(&self) -> MizeResult<MizeId> {
+       return Ok(self.id.clone());
+    }
+
+    fn as_cbor(&self) -> MizeResult<ItemCbor> {
+        todo!()
+    }
+
+    fn write_to_path(&self, path: PathBuf) -> MizeResult<()> {
+        let store = self.store.lock().await;
+        for (key, value) in self.map.iter() {
+            // TODO right here!!!!
+        }
+            todo!()
+    }
+}
+
+impl Item {
+    pub fn value_as_file(&self) -> MizeResult<File> {
+        match self {
+            Item::Cbor(val) => val.value_as_file(),
+            Item::Ref(val) => val.value_as_file(),
+            Item::Folder(val) => val.value_as_file(),
+        }
+    }
+
+    pub fn value_as_path(&self) -> MizeResult<PathBuf> {
+        match self {
+            Item::Cbor(val) => val.value_as_path(),
+            Item::Ref(val) => val.value_as_path(),
+            Item::Folder(val) => val.value_as_path(),
+        }
+    }
+
+    pub fn id(&self) -> MizeResult<MizeId> {
+        match self {
+            Item::Cbor(val) => val.id(),
+            Item::Ref(val) => val.id(),
+            Item::Folder(val) => val.id(),
+        }
+    }
+
+    pub fn as_cbor(&self) -> MizeResult<ItemCbor> {
+        match self {
+            Item::Cbor(val) => val.as_cbor(),
+            Item::Ref(val) => val.as_cbor(),
+            Item::Folder(val) => val.as_cbor(),
+        }
+    }
+
+    pub fn write_to_path(&self, path: PathBuf) -> MizeResult<()> {
+        match self {
+            Item::Cbor(val) => val.write_to_path(path),
+            Item::Ref(val) => val.write_to_path(path),
+            Item::Folder(val) => val.write_to_path(path),
+        }
+    }
+    pub fn load_json(json_str: &str) -> MizeResult<Item> {
+        todo!()
+    }
+}
+

src/itemstore.rs

@@ -0,0 +1,267 @@
+use log::{trace, debug, info, warn, error};
+use std::fs::{self, File};
+use std::path::{PathBuf, Path};
+use std::collections::HashMap;
+use std::io::{Read, Write};
+use colored::Colorize;
+
+use crate::item::{Item, MizeId, ItemCbor, ItemDescriptor};
+use crate::error::{MizeError, MizeResult, IntoMizeResult};
+
+pub enum Itemstore {
+    Folder(FolderItemstore),
+    Memory(MemoryItemstore),
+}
+
+pub struct FolderItemstore {
+    path: PathBuf,
+    next_id: u64,
+}
+
+pub struct MemoryItemstore {
+    inner: HashMap<MizeId, Item>,
+    next_id: u64,
+}
+
+
+///////////////////////////////////////////////////////////////////////////////////////////
+
+
+pub fn new_memory_store() -> MizeResult<MemoryItemstore> {
+    Ok(MemoryItemstore {
+        inner: HashMap::new(),
+        next_id: 100,
+    })
+} 
+
+pub fn new_folder_store(path: PathBuf) -> MizeResult<FolderItemstore> {
+    if path.join("store_open").exists() {
+        let pid_str = fs::read_to_string(path.join("store_open"))
+            .mize_result_msg("Could not read the store_open file to check which process has the store opened")?;
+        let pid = pid_str.parse::<u32>()
+            .mize_result_msg("Could not Parse the content of the store_open file into a u32")?;
+
+        if Path::new("/proc").join(format!("{}", pid)).exists() {
+            return Err(MizeError::new().msg(
+                    format!("the store at {} is already open by process with pid: {}", path.display(), pid)
+                ));
+        } else {
+            warn!("An Instance was not closed properly. (store_open file contained a not running PID)");
+            std::fs::remove_file(path.join("store_open"))
+                .mize_result_msg("Could not remove the store_open file")?;
+        }
+    }
+
+    let mut store_open_file = File::create(path.join("store_open"))
+        .mize_result_msg("Could not create the store_open file")?;
+
+    store_open_file.write_all(format!("{}", std::process::id()).as_bytes())
+        .mize_result_msg("Could not write my pid to the store_open file")?;
+
+    // if no store_next_id exists write it with the default 100
+    let mut next_id: u64 = 100; // as a default
+    if !path.join("store_next_id").exists() {
+        fs::write(path.join("store_next_id"), format!("{}", next_id).as_bytes())
+            .mize_result_msg("Could not write the default next_id to store_next_id")?;
+    } else {
+        let next_id_string = fs::read_to_string(path.join("store_next_id"))
+            .mize_result_msg("Could not read store_next_id of this store")?;
+
+        next_id = next_id_string.parse()
+            .mize_result_msg("Could not parse contents of store_next_id into u64")?;
+    }
+
+    return Ok(FolderItemstore{ path, next_id});
+
+} 
+
+
+///////////////////////////////////////////////////////////////////////////////////////////
+
+
+impl FolderItemstore {
+    pub async fn write_next_id(&self) -> MizeResult<()> {
+        fs::write(self.path.join("store_next_id"), format!("{}", self.next_id).as_bytes())
+            .mize_result_msg(format!("Could not write the next_id: \"{}\" to \"{}\"", self.next_id, self.path.join("store_next_id").display()))?;
+        return Ok(());
+    }
+}
+
+
+///////////////////////////////////////////////////////////////////////////////////////////
+
+
+impl MemoryItemstore {
+    // item funcs
+    async fn get_item(&self, id: MizeId) -> MizeResult<Item> {
+        match self.inner.get(&id) {
+            None => {
+                Err(MizeError::new().msg(format!("there was no item with id ({}) in this store", id)))
+            },
+            Some(item) => {
+                Ok(Item::Cbor(item.as_cbor()?))
+            },
+        }
+    }
+
+    async fn set_item(&mut self, item: Item) -> MizeResult<()> {
+        self.inner.insert(item.id()?, item)
+            .ok_or(MizeError::new().msg("Could not set an item in a MemoryStore"))?;
+        return Ok(());
+    }
+    
+
+    async fn create_item(&mut self) -> MizeResult<MizeId> {
+        // advance the next_id
+        self.next_id += 1;
+        return Ok(MizeId::main(self.next_id))
+    }
+
+    //fn update_item(self) -> MizeResult<I>;
+
+    // other funcs
+    async fn close(&self) -> MizeResult<()> {
+        return Ok(());
+    }
+
+    async fn next_id(&self) -> u64 {
+        self.next_id
+    }
+
+    async fn has_item(&self, id: MizeId) -> MizeResult<bool> {
+        Ok(self.inner.contains_key(&id))
+    }
+}
+
+impl FolderItemstore {
+    // item funcs
+    async fn get_item(&self, id: MizeId) -> MizeResult<Item> {
+        let id_string = format!("{}", id.main);
+        let mut final_path = self.path.join("store");
+        if id_string.len() < 2 {
+            // use path 00 for ids under 10
+            final_path.push("00")
+        } else {
+            // will not panic, because of prior check if string is more than two long
+            final_path.push(id_string[..2].to_owned());
+        };
+
+        return Ok(Item::Descriptor(ItemDescriptor { path: final_path, id}));
+    }
+
+    async fn set_item(&self, item: Item) -> MizeResult<()> {
+        item.write_to_path(self.get_path_of_item(&item.id()?)?)
+    }
+
+    async fn create_item(&mut self) -> MizeResult<MizeId> {
+        // advance the next_id
+        self.next_id += 1;
+        match self.write_next_id().await {
+            // on error revert to old next_id
+            Ok(_) => {},
+            Err(err) => {
+                self.next_id -= 1;
+                return Err(err);
+            },
+        }
+        return Ok(MizeId::main(self.next_id));
+    }
+
+    //fn update_item(self) -> MizeResult<Item>;
+
+    // other funcs
+    async fn close(&self) -> MizeResult<()> {
+        if self.path.join("store_open").exists() {
+            std::fs::remove_file(self.path.join("store_open"))
+                .mize_result_msg("Could not remove the store_open file")?;
+        }
+        return Ok(());
+    }
+
+    async fn next_id(&self) -> u64 {
+        self.next_id
+    }
+    async fn has_item(&self, id: MizeId) -> MizeResult<bool> {
+        Ok(self.get_path_of_item(&id)?.exists())
+    }
+
+    fn get_path_of_item(&self, id: &MizeId) -> MizeResult<PathBuf> {
+        // get path of item
+        let id_string = format!("{}", id.main);
+        let mut final_path = self.path.join("store");
+        if id_string.len() < 2 {
+            // use path 00 for ids under 10
+            final_path.push("00")
+        } else {
+            // will not panic, because of prior check if string is more than two long
+            final_path.push(id_string[..2].to_owned());
+        };
+        return Ok(final_path);
+    }
+}
+
+impl Itemstore {
+    // item funcs
+    pub async fn get_item(&self, id: MizeId) -> MizeResult<Item> {
+        trace!("[ {} ] Itemstore::get_item()", "CALL".yellow());
+        trace!("[ {} ] id: {}", "ARG".yellow(), id);
+
+        match self {
+            Itemstore::Folder(val) => val.get_item(id).await,
+            Itemstore::Memory(val) => val.get_item(id).await,
+        }
+    }
+
+    pub async fn set_item(&mut self, item: Item) -> MizeResult<()> {
+        trace!("[ {} ] Itemstore::set_item()", "CALL".yellow());
+        trace!("[ {} ] item: {:?}", "ARG".yellow(), item);
+
+        match self {
+            Itemstore::Folder(val) => val.set_item(item).await,
+            Itemstore::Memory(val) => val.set_item(item).await,
+        }
+    }
+
+    pub async fn create_item(&mut self) -> MizeResult<MizeId> {
+        trace!("[ {} ] Itemstore::create_item()", "CALL".yellow());
+
+        match self {
+            Itemstore::Folder(val) => val.create_item().await,
+            Itemstore::Memory(val) => val.create_item().await,
+        }
+    }
+
+    //pub fn update_item(self) -> MizeResult<I>;
+
+    // other funcs
+    pub async fn close(&self) -> MizeResult<()> {
+        trace!("[ {} ] Itemstore::close()", "CALL".yellow());
+        match self {
+            Itemstore::Folder(val) => val.close().await,
+            Itemstore::Memory(val) => val.close().await,
+        }
+    }
+
+    pub async fn next_id(&self) -> u64 {
+        trace!("[ {} ] Itemstore::next_id()", "CALL".yellow());
+
+        match self {
+            Itemstore::Folder(val) => val.next_id().await,
+            Itemstore::Memory(val) => val.next_id().await,
+        }
+    }
+    pub async fn has_item(&self, id: MizeId) -> MizeResult<bool> {
+        trace!("[ {} ] Itemstore::has_item()", "CAL".yellow());
+        trace!("[ {} ] id: {}", "ARG".yellow(), id);
+
+        let ret = match self {
+            Itemstore::Folder(val) => val.has_item(id).await,
+            Itemstore::Memory(val) => val.has_item(id).await,
+        };
+
+        if let Ok(val) = ret {trace!("[ {} ] Itemstore::has_item(): {}", "RET".yellow(), val)};
+
+        return ret;
+    }
+}
+

src/lib.rs

@@ -0,0 +1,16 @@
+
+#![ allow( warnings ) ]
+
+static PROTO_VERSION: u8 = 1;
+
+
+// pub mod types; 
+
+pub mod error;
+mod instance;
+mod proto;
+mod item;
+mod itemstore;
+
+
+

src/main.rs

@@ -0,0 +1,325 @@
+
+#![ allow( warnings ) ]
+
+use std::path::PathBuf;
+use clap::{ArgAction, ArgMatches};
+use clap::{Arg, crate_version, Command};
+
+use tokio::sync::{Mutex, mpsc};
+use std::sync::Arc;
+use log::Level;
+use log::LevelFilter;
+use env_logger::{Builder, Env};
+use std::io::Write;
+use colored::Colorize;
+use std::env;
+
+use log::{trace, debug, info, warn, error};
+
+mod cli;
+mod error;
+// mod types;
+mod instance;
+mod item;
+mod itemstore;
+mod proto;
+
+static APPNAME: &str = "mize";
+static DEFAULT_LOG_LEVEL: LevelFilter = LevelFilter::Warn;
+
+#[tokio::main]
+async fn main() {
+
+    let cli_matches = cli_matches();
+
+    init_logger(&cli_matches);
+
+    // log a message of every level, to test loging
+    // test_logger();
+
+
+    // match command
+    match cli_matches.subcommand() {
+        // mi daemon
+        Some(("daemon", sub_matches)) => cli::daemon(sub_matches).await,
+
+        // mi serve
+        Some(("serve", sub_matches)) => cli::serve(sub_matches).await,
+
+        // mi mount
+        Some(("mount", sub_matches)) => cli::mount(sub_matches).await,
+
+        // mi get
+        Some(("get", sub_matches)) => cli::get(sub_matches).await,
+
+        // mi set
+        Some(("set", sub_matches)) => cli::set(sub_matches).await,
+
+        // mi print
+        Some(("print", sub_matches)) => cli::print(sub_matches).await,
+
+        // mi call
+        Some(("call", sub_matches)) => cli::call(sub_matches).await,
+
+        // some unknown command passed
+        Some((cmd, sub_matches)) => error!("The subcommand: {} is not known. use --help to list availavle commands", cmd),
+
+        None => error!("No subcommand was passed. use --help to list availavle comamnds."),
+    }
+
+
+}
+
+fn init_logger(cli_matches: &ArgMatches) {
+
+    // to save log messages, before the logger is setup
+    let mut log_messages: Vec<(Level, String)> = Vec::new();
+
+    log_messages.push((Level::Info, "Starting Mize".to_owned()));
+
+    // builder with DEFAULT_LOG_LEVEL
+    let mut builder = Builder::new();
+    builder.format_indent(Some(8));
+
+
+
+    // set loglevel
+    let mut log_level = DEFAULT_LOG_LEVEL;
+    log_messages.push((Level::Trace, format!("set log level from DEFAULT_LOG_LEVEL to {}", DEFAULT_LOG_LEVEL)));
+
+    // check env RUST_LOG
+    let mut val_rust_log = level_from_env("RUST_LOG", log_level);
+    if let Some(level_rust_log) = val_rust_log.0 {
+        log_level = level_rust_log;
+        log_messages.push((Level::Trace, format!("set log level from the Variable RUST_LOG to {}", level_rust_log)));
+    }
+    log_messages.append(&mut val_rust_log.1);
+
+    // check env MIZE_LOG
+    let mut val_mize_log = level_from_env("MIZE_LOG", log_level);
+    if let Some(level_mize_log) = val_mize_log.0 {
+        log_level = level_mize_log;
+        log_messages.push((Level::Trace, format!("set log level from the Variable MIZE_LOG to {}", level_mize_log)));
+    }
+    log_messages.append(&mut val_mize_log.1);
+
+    // check -vvvvv flags
+    let v_flag_count = cli_matches.get_count("verbose");
+    let default_log_level_as_num = match DEFAULT_LOG_LEVEL {
+        LevelFilter::Off => 0,
+        LevelFilter::Error => 1,
+        LevelFilter::Warn => 2,
+        LevelFilter::Info => 3,
+        LevelFilter::Debug => 4,
+        LevelFilter::Trace => 5,
+    };
+    let new_log_level_num = default_log_level_as_num + v_flag_count;
+    log_level = match new_log_level_num {
+        0 => LevelFilter::Off,
+        1 => LevelFilter::Error,
+        2 => LevelFilter::Warn,
+        3 => LevelFilter::Info,
+        4 => LevelFilter::Debug,
+        5 => LevelFilter::Trace,
+        _ => {
+            log_messages.push((Level::Trace, format!("the number of verbose (-v) flags passed ({}) exeeds the maximumg log_level", v_flag_count)));
+            LevelFilter::Trace
+        },
+    };
+    log_messages.push((Level::Trace, format!("set log level from the verbose flags to {}", log_level)));
+ 
+    // check --log-level arg
+    if let Some(log_level_arg_string) = cli_matches.get_one::<&str>("log-level") {
+        let log_level_from_arg = match log_level_arg_string.to_lowercase().as_str() {
+            "none" => LevelFilter::Off,
+            "trace" => LevelFilter::Trace,
+            "debug" => LevelFilter::Debug,
+            "info" => LevelFilter::Info,
+            "warn" => LevelFilter::Warn,
+            "error" => LevelFilter::Error,
+            _ => {
+                log_messages.push((Level::Warn, format!(
+                        "The argument to --log-level \"{}\" is not a valid log-level. loglevel stays at: {}"
+                        , log_level_arg_string
+                        , log_level
+                    )));
+                log_level
+            }
+        };
+        log_level = log_level_from_arg;
+        log_messages.push((Level::Trace, format!("set log level from the --log-level arg to {}", log_level_from_arg)));
+    }
+
+    // check --silent flag
+    if cli_matches.get_flag("silent") {
+        if log_level != DEFAULT_LOG_LEVEL {
+            log_messages.push((Level::Warn, format!(
+                    "The loglevel was set by some method (it's not the DEFAULT_LOG_LEVEL) and is now overwritten by the --siltne to be OFF"
+                )))
+        }
+        log_level = LevelFilter::Off;
+    }
+
+    // actually set the log_level on the builder
+    builder.filter_level(log_level);
+    log_messages.push((Level::Info, format!("loglevel is now {}", log_level)));
+
+
+    // set format
+    builder.format(|buf, record| {
+            match record.level() {
+                Level::Trace => writeln!(buf, "[ {} ] {}", format!("{}", record.level()).yellow(), record.args()),
+                Level::Debug => writeln!(buf, "[ {} ] {}", format!("{}", record.level()).green(), record.args()),
+                Level::Info => writeln!(buf, "[ {}  ] {}", format!("{}", record.level()).blue(), record.args()),
+                Level::Warn => writeln!(buf, "[ {}  ] {}", format!("{}", record.level()).truecolor(245, 164, 66), record.args()),
+                Level::Error => writeln!(buf, "[ {} ] {}", format!("{}", record.level()).red(), record.args()),
+            }
+        });
+
+    builder.init();
+
+
+    // write out all log messages from log_messages
+    for (level, msg) in log_messages {
+        match level {
+            Level::Error => error!("{}", msg),
+            Level::Warn => warn!("{}", msg),
+            Level::Info => info!("{}", msg),
+            Level::Debug => debug!("{}", msg),
+            Level::Trace => trace!("{}", msg),
+        }
+    }
+}
+
+fn test_logger() {
+    error!("hi from error");
+    warn!("hi from warn");
+    info!("hi from info");
+    debug!("hi from debug");
+    trace!("hi from trace");
+}
+
+fn level_from_env(var_name: &str, log_level: LevelFilter) -> (Option<log::LevelFilter>, Vec<(Level, String)>) {
+    let mut log_messages: Vec<(Level, String)> = Vec::new();
+    let var_value = env::var(var_name);
+    match var_value {
+        Ok(val) => {
+            // set loglevel acording to RUST_LOG
+            let level = match val.to_lowercase().as_str() {
+                "none" => LevelFilter::Off,
+                "trace" => LevelFilter::Trace,
+                "debug" => LevelFilter::Debug,
+                "info" => LevelFilter::Info,
+                "warn" => LevelFilter::Warn,
+                "error" => LevelFilter::Error,
+                _ => {
+                    log_messages.push((Level::Warn, format!(
+                            "The value of Environment Variable {}: \"{}\" is not a valid log-level. loglevel stays at: {}"
+                            , var_name
+                            , val
+                            , log_level
+                        )));
+                    log_level
+                }
+            };
+            return (Some(level), log_messages)
+        },
+        Err(env::VarError::NotPresent) => {},
+        Err(env::VarError::NotUnicode(os_string)) => {
+
+            let os_string_as_hex : String = os_string.clone().into_encoded_bytes().iter()
+              .map(|b| format!("{:02x}", b).to_string())
+              .collect::<Vec<String>>()
+              .join("");
+            log_messages.push((Level::Debug, format!(
+                "value of Environment Variable {} was not a unicode valid string. Therefore ignoring it.
+                \n value with replacement char U+FFFD: {}
+                \n the WTF-8 raw bytes as hex: {}"
+                , var_name
+                , os_string.to_string_lossy(), os_string_as_hex
+            )));
+        },
+    };
+    return (None, log_messages);
+}
+
+fn cli_matches() -> clap::ArgMatches {
+
+    let store_arg = Arg::new("store")
+        .short('s')
+        .long("store")
+        .help("The folder used as the Itemstore");
+
+    let main = Command::new(APPNAME)
+        .version(crate_version!())
+        .author("Sebastian Moser")
+        .about("The MiZe Command line tool")
+        .arg(Arg::new("verbose")
+            .long("verbose")
+            .short('v')
+            .action(ArgAction::Count)
+        )
+        .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")
+        )
+        .arg(Arg::new("silent")
+            .long("silent")
+            .action(ArgAction::SetTrue)
+            .help("set the log-level to OFF")
+        )
+        .subcommand(
+                Command::new("daemon")
+                .aliases(["da"])
+                .arg(&store_arg)
+                .about("Starts the mize daemon. Has subcommands to stop, etc")
+                .subcommand(Command::new("stop")
+                        .about("Stops the mize daemon if one is running")
+                    )
+                .subcommand(Command::new("kill"))
+                        .about("Stops the mize daemon with a signal")
+                        .alias("k")
+                .subcommand(Command::new("status")
+                        .alias("st")
+                    )
+            )
+        .subcommand(
+                Command::new("serve")
+                .aliases(["se"])
+                .arg(&store_arg)
+            )
+        .subcommand(
+                Command::new("mount")
+                .aliases(["m"])
+                .arg(&store_arg)
+            )
+        .subcommand(
+                Command::new("get")
+                .aliases(["g"])
+                .arg(&store_arg)
+                .arg(Arg::new("id").help("The id or path to get"))
+            )
+        .subcommand(
+                Command::new("set")
+                .aliases(["s"])
+                .arg(&store_arg)
+                .arg(Arg::new("id").help("The id or path to set"))
+            )
+        .subcommand(
+                Command::new("print")
+                .aliases(["p"])
+                .arg(&store_arg)
+                .arg(Arg::new("id").help("The id or path to print"))
+            )
+        .subcommand(
+                Command::new("call")
+                .aliases(["c"])
+                .arg(&store_arg)
+            )
+        .arg_required_else_help(true);
+
+    return main.get_matches();
+}
+
+

src/proto.rs

@@ -0,0 +1,7 @@
+use serde_cbor::Value as CborValue;
+
+
+#[derive(Debug, Clone)]
+pub struct MizeMessage {
+    value: CborValue,
+}

types/mize/instance/item.json

@@ -0,0 +1,7 @@
+{
+	"name": "instance",
+	"paths": [
+	[["daemon", "pid"], "int"],
+	[["daemon", "log", "blob"]]
+	]
+}