victorem 0.8.2

UPD Game Server Framework
Documentation 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112

use serde_derive::{Deserialize, Serialize};
use std::error::Error;
use std::fmt::Display;
use std::fmt::Formatter;
use std::io;
use std::time::Duration;

#[derive(Serialize, Deserialize, PartialEq, Debug, Clone)]
pub struct CommandPacket {
    pub protocol_id: u8,
    pub protocol_version: u8,
    pub id: u32,
    pub command: Vec<u8>,
    pub session_key: Duration,
}

#[derive(Serialize, Deserialize, PartialEq, Debug, Clone)]
pub struct StatePacket {
    pub protocol_id: u8,
    pub protocol_version: u8,
    pub id: u32,
    pub state: Vec<u8>,
    pub session_key: Duration,
    pub last_received: u32,
    pub sequence: u32
}

#[derive(Debug)]
///Error in framework
pub enum Exception {
    ///Error on send or recv from UDP
    /// If it kind is [`std::io::ErrorKind::WouldBlock`] then retry again.
    IoError(io::Error),
    /// Different lib version on client and server.
    /// You must update client and server.
    BadProtocolVersion,
    ///Error on serialize or deserialize
    BincodeError(bincode::Error),
    /// Not ordered command or state received by this reason it was skipped.
    /// Maybe it is duplicated.
    /// Retry again.
    NotOrderedPacketError,
    ///Packet not from this lib.
    /// Lib ignoring it.
    /// Retry again.
    NotValidIdError,
}

impl Error for Exception {}

impl Display for Exception {
    fn fmt(&self, f: &mut Formatter) -> std::fmt::Result {
        match self {
            Exception::BadProtocolVersion => write!(f, "Different lib version on client and server. You must update client and server."),
            Exception::NotOrderedPacketError => write!(f, "Not ordered command or state received by this reason it was skipped. Maybe it is duplicated. Retry again."),
            Exception::NotValidIdError => write!(f, "Packet not from this lib. Lib ignoring it. Retry again."),
            _ => write!(f, "{:#?}", self),
        }
    }
}

impl std::convert::From<std::io::Error> for Exception {
    fn from(err: std::io::Error) -> Self {
        Exception::IoError(err)
    }
}

impl std::convert::From<bincode::Error> for Exception {
    fn from(err: bincode::Error) -> Self {
        Exception::BincodeError(err)
    }
}
//#[derive(Debug)]
//pub struct LoggerMonad<T>(Result<T, Exception>);
//
//impl<T> LoggerMonad<T> {
//    pub fn new(value: Result<T, Exception>) -> LoggerMonad<T> {
//        LoggerMonad(value)
//    }
//
//    pub fn and_then<U, F: FnOnce(T) -> LoggerMonad<U>>(self, f: F) -> LoggerMonad<U> {
//        match self.0 {
//            Ok(x) => {
//                let monad = f(x);
//                match &monad.0 {
//                    Ok(_) => monad,
//                    Err(e) => {
//                        eprintln!("{:#?}", e);
//                        monad
//                    }
//                }
//            }
//            Err(e) => LoggerMonad::new(Err(e)),
//        }
//    }
//
//    pub fn map<U, F: FnOnce(T) -> U>(self, f: F) -> LoggerMonad<U> {
//        self.and_then(|x| LoggerMonad::new(Ok(f(x))))
//    }
//
//    pub fn and<U>(self, data: LoggerMonad<U>) -> LoggerMonad<U> {
//        self.and_then(|_| data)
//    }
//
//    pub fn unwrap(self) -> T {
//        self.0.unwrap()
//    }
//
//    pub fn unwrap_or(self, def: T) -> T {
//        self.0.unwrap_or(def)
//    }
//}