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+pub fn display_error_to_user(error: MizeError){ + println!("{}", error.message); +} diff --git a/src/hyper-server.rs b/src/hyper-server.rs new file mode 100644 index 0000000..08d00ea --- /dev/null +++ b/src/hyper-server.rs @@ -0,0 +1,34 @@ + +use std::convert::Infallible; +use std::net::SocketAddr; +use hyper::{Body, Request, Response, Server}; +use hyper::service::{make_service_fn, service_fn}; +use hyper::body::Bytes; + +#[tokio::main] +async fn hyper_server() { + // Construct our SocketAddr to listen on... + let addr = SocketAddr::from(([127, 0, 0, 1], 3000)); + + // And a MakeService to handle each connection... + let make_service = make_service_fn(|_conn| async { + Ok::<_, Infallible>(service_fn(handle)) + }); + + // Then bind and serve... + let server = Server::bind(&addr).serve(make_service); + + // And run forever... + if let Err(e) = server.await { + eprintln!("server error: {}", e); + } +} + +async fn handle(req: Request) -> Result, Infallible> { + let (mut sender, _body) = Body::channel(); + sender.send_data(Bytes::from("sending from the sender\n")); + sender.abort(); + println!("{:?}", req.body()); + //println!("{:?}", Body::to_bytes()); + Ok(Response::new(Body::from("hi"))) +} diff --git a/src/lib.rs b/src/lib.rs new file mode 100644 index 0000000..cf03e53 --- /dev/null +++ b/src/lib.rs @@ -0,0 +1,6 @@ + +pub mod server; +pub mod error; + + + diff --git a/src/main.rs b/src/server-main.rs similarity index 74% rename from src/main.rs rename to src/server-main.rs index 0dc5d4a..4918839 100644 --- a/src/main.rs +++ b/src/server-main.rs @@ -1,28 +1,29 @@ - -pub mod server; +extern crate mize; static HELP_MESSAGE: &str = "\ Usage: mize-server [options] [command] [options for command] Available Commands: - run starts the server - help prints this help message - version prints the version + run starts the server + help prints this help message + version prints the version + import imports a file as a item of type file into the server Available options - -h --help prints this help message - -v --version prints the version + -h --help prints this help message + -v --version prints the version + -f --folder the mize-server-folder "; //some flags e.g: "--file /tmp" can require that the next argument belongs to them instead of being //the command -static FLAGS_WITH_ARGUMENTS: [&str; 0] = []; +static FLAGS_WITH_ARGUMENTS: [&str; 2] = ["--folder", "-f"]; -static AVAILABLE_COMMANDS: [&str; 3] = ["run", "help", "version"]; +static AVAILABLE_COMMANDS: [&str; 6] = ["run", "help", "version", "import-js", "import-render", "import"]; -static AVAILABLE_FLAGS: [&str; 3] = ["--version", "--help"]; -static AVAILABLE_ONE_LETTER_FLAGS: [&str; 3] = ["v", "h"]; +static AVAILABLE_FLAGS: [&str; 4] = ["--version", "--help", "--folder", "-f"]; +//static AVAILABLE_ONE_LETTER_FLAGS: [&str; 2] = ["v", "h"]; static VERSION_MESSAGE: &str = "\ Version: 0 @@ -76,7 +77,8 @@ fn main() { //#### "run" the command and pass the options and subcommands to it match &command[..] { - "run" => crate::server::run_server(command_args), + "run" => mize::server::run_server(args), + "import" => mize::server::server_utils::import(args), "help" => println!("{}", HELP_MESSAGE), "version" => println!("{}", VERSION_MESSAGE), _ => {println!("Command not found!!\n"); println!("{}", HELP_MESSAGE);}, diff --git a/src/server.rs b/src/server.rs index 7f4b564..af031e5 100644 --- a/src/server.rs +++ b/src/server.rs @@ -1,18 +1,148 @@ -use ws::listen; -pub fn run_server(args: Vec){ - println!("running server!"); +pub mod server_utils; + +use futures_util::{FutureExt, StreamExt}; +use warp::Filter; +use warp::ws::{WebSocket, Message}; + +use tokio::sync::mpsc::{UnboundedSender, unbounded_channel}; +use tokio_stream::wrappers::UnboundedReceiverStream; +use std::alloc::handle_alloc_error; +use std::sync::{Arc}; +use tokio::sync::Mutex; +use tokio::sync::mpsc; + +//static API_PATH_STRING: &str = "$api"; + +// max file sizez in the mize/data folder (in bytes) +static MAX_INDEX_FILE_SIZE: usize = 1_800_000; +static MAX_FIELDS_FILE_SIZE: usize = 2_600_000; +static MAX_KEYS_FILE_SIZE: usize = 30_000_000; +static MAX_DATA_FILE_SIZE: usize = 3_000_000_000; + + +//static HELP_MESSAGE: &str = "\ +//Usage: + //mize-server server [options] +// +//Available options + //-h --help prints this help message + //-v --version prints the version + //--folder= mize-folder: where mize stores all it's stuff. +//"; + +//some flags e.g: "--file /tmp" can require that the next argument belongs to them instead of being +//the command +//static FLAGS_WITH_ARGUMENTS: [&str; 0] = []; + +//static AVAILABLE_COMMANDS: [&str; 3] = ["run", "help", "version"]; + +//static AVAILABLE_FLAGS: [&str; 2] = ["--version", "--help"]; +//static AVAILABLE_ONE_LETTER_FLAGS: [&str; 2] = ["v", "h"]; + +//static VERSION_MESSAGE: &str = "\ +//Version: 0 +//"; +// + +struct Client { + tx: UnboundedSender> } +pub fn run_server(args: Vec) { + /* + * WHAT IT DOES + * + */ -fn ws() { - //A WebSocket echo server - listen("127.0.0.1:3003", |out| { - move |msg| { - println!("recieved: {}", msg); - out.send(format!("You sent me: {}", msg)) + //### get the mize_folder + let mut mize_folder = String::new(); + for i in 1..args.len() { + if args[i].contains('=') { + let split: Vec<_> = args[i].split('=').collect(); + if split[0] == "--folder" { + mize_folder += split[1]; + } } - }).unwrap(); + } + + //### prep the mize_folder + if let Err(err) = crate::server::server_utils::init_mize_folder(mize_folder) { + println!("{}", err.message); + } + + //run the webserver + //hyper_server(); + warp_server(); } - + + +#[tokio::main] +async fn warp_server() { + /* + * + * + */ + + //### Main Endpoints: + //## any number (with "-" in them) is interpreted as an item id + //## $api/socket/id + //## $api/rest/ + + let mut clients: Arc>> = Arc::new(Mutex::new(Vec::new())); + + let socket_route = warp::path!("$api" / "socket") + .and(warp::ws()) + .map(move |ws: warp::ws::Ws| { + let clients_clone = Arc::clone(&clients); + ws.on_upgrade(move |socket| handle_socket_connection(socket, clients_clone) ) + }); + + //let temp = warp::path("temp") + //.and(warp::ws()) + //.map(move |ws: warp::ws::Ws| { + //ws.hi(); + //}); + + //let routes = warp::any().map(|| "Hello, World!"); + let echo = warp::path("echo").map(|| "Hello World"); + let test = warp::path("test").map(|| { + + let int = 4+4; + format!("{}", int) + }); + + let routes = warp::get().and(socket_route).or(echo).or(test); + + warp::serve(routes).run(([127, 0, 0, 1], 3000)).await; +} + +async fn handle_socket_connection( + socket: WebSocket, + clients_clone: Arc>> + //test: String +){ + let (socket_tx, mut socket_rx) = socket.split(); + let (client_tx, client_rx) = mpsc::unbounded_channel(); + + let client_rx = UnboundedReceiverStream::new(client_rx); + tokio::spawn(client_rx.forward(socket_tx)); + + let mut cli = clients_clone.lock().await; + cli.push(Client{tx: client_tx}); + drop(cli); + + // Reading and broadcasting messages + while let Some(result) = socket_rx.next().await { + let msg = result.expect("Error when gettin message from WebSocket"); + let clients = clients_clone.lock().await; + for client in &clients[..] { + client.tx.send(Ok(msg.clone())); + } + drop(clients); + } +} + + + diff --git a/src/server/server_utils.rs b/src/server/server_utils.rs new file mode 100644 index 0000000..6285ae6 --- /dev/null +++ b/src/server/server_utils.rs @@ -0,0 +1,107 @@ +use std::io::{self, ErrorKind, SeekFrom}; +use std::collections::HashMap; +use std::io::prelude::*; +use std::fs; +use std::fs::File; +use std::path::Path; +use crate::error::MizeError; + +pub struct Fields{ + key: u64, + data: u64 +} + +pub struct Index{ + commit_number: u64, + fields: Vec +} + +pub fn import(args: Vec){ + +} + +pub fn update_item(id: u64, key: String, update_string: String){ + +} + +pub fn read_index(id: u64, mize_folder: &str) -> io::Result{ + let mut index_folder_num: String = String::new(); + let mut index_num: String = String::new(); + let id_len = id.to_string().chars().count(); + + if id_len <= 6 { + index_folder_num = String::from("0"); + index_num = id.to_string(); + } else { + index_folder_num = String::from(&id.to_string()[..id_len-6]); + index_num = String::from(&id.to_string()[id_len-6..]); + } + + let index_file_path = String::from(mize_folder) + "/index" + &index_folder_num + "/" + &index_num; + + let mut file = File::open(index_file_path)?; + + let mut commit_number_buff: [u8; 8]; + file.read_exact(&mut commit_number_buff[..])?; + + let fields: Vec = Vec::new(); + + Ok(Index { + commit_number: u64::from_le_bytes(commit_number_buff), + + }) + +} + +pub fn init_mize_folder(mize_folder: String) -> Result<(), MizeError>{ + //##check if the folder resembles a mize folder + + //## check if the index0 file exists and create one if it does not + let index_path = mize_folder.clone() + "/index0"; + if !Path::new(&index_path).exists() { + File::create(&index_path).unwrap(); + } + let index_md = fs::metadata(&index_path).unwrap(); + if index_md.is_dir(){ + return Err(MizeError{message: String::from("index is a folder and not a file")}) + } + + let folders: [&str; 5] = ["fields0","keys0","data0","config","other"]; + for folder in folders { + //## check if the folder exists and create one if it does not + let path = mize_folder.clone() + "/" + folder; + if !Path::new(&path).exists() { + fs::create_dir(&path).unwrap(); + } + let index_md = fs::metadata(&path).unwrap(); + if index_md.is_file(){ + return Err(MizeError{message: String::from(folder) + " is a file and not a folder"}); + } + } + + let index = read_index(0, &mize_folder); + + //if let Ok(i) = index { + + //} + if let Err(i) = index{ + println!("{:?}", i.kind()); + match i.kind() { + io::ErrorKind::UnexpectedEof => { + //create the first item + + //create index for first item + File::create(mize_folder.clone() + "/keys0/0"); + + //create keyfile in keyfile0 + File::create(mize_folder.clone() + "/keys0/000_000"); + }, + _ => return Err(MizeError{ + message: String::from("sth went wrong when reading the index of item 0") + }) + } + } + Ok(()) +} + +