socket communication with Rust

usage

引数で s もしくは server を指定するとサーバー起動

> cargo run s

引数で c もしくは client を指定するとクライアント起動

> cargo run c

flowchart TD;
    subgraph socket-rust
    start --> parse_args;
    parse_args -->|String| decide_role;
    decide_role ---> client;
    decide_role ---> server;

    subgraph server
    server_start[start] -->|socket| bind;
    bind -->|TcpListener| accept;
    accept --> server_msg[send/receive];
    subgraph server_loop[loop]
    server_msg
    end
    server_msg --> server_close[close]
    end

    subgraph client
    client_start[start] -->|socket| connect;
    connect --> client_msg[send/receive];
    subgraph client_loop[loop]
    client_msg
    end
    client_msg --> client_close[close]
    end



    connect --> accept
    server_msg -.-> client_msg
    client_msg -.-> server_msg

    server_close --> return
    client_close --> return;

    end

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