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use std::io::{Read, Write};
use bincode::error::{DecodeError, EncodeError};
use serde::de::DeserializeOwned;
use serde::Serialize;
use crate::messages::{ClientMessage, PlayerMessage, ServerCallbackMessage, ServerMessage};
pub trait MessageEncoder: Serialize + DeserializeOwned {
fn encode(&self) -> Result<usize, EncodeError>;
fn decode(encode: usize) -> Result<Self, DecodeError>
where
Self: Sized;
}
impl MessageEncoder for PlayerMessage {
fn encode(&self) -> Result<usize, EncodeError> {
bincode::serde::encode_into_std_write(self, &mut std::io::sink(), bincode::config::standard())
}
fn decode(encode: &usize) -> Result<Self, DecodeError> {
bincode::serde::decode_from_std_read(&mut &encode[..], bincode::config::standard())
}
}
impl MessageEncoder for ServerMessage {
fn encode(&self) -> Result<usize, EncodeError> {
bincode::serde::encode_into_std_write(self, &mut std::io::sink(), bincode::config::standard())
}
fn decode(encode: usize) -> Result<Self, DecodeError> {
bincode::serde::decode_from_std_read(&mut &encode[..], bincode::config::standard())
}
}
impl MessageEncoder for ClientMessage {
fn encode(&self) -> Result<usize, EncodeError> {
bincode::serde::encode_into_std_write(self, &mut std::io::sink(), bincode::config::standard())
}
fn decode(encode: usize) -> Result<Self, DecodeError> {
bincode::serde::decode_from_std_read(&mut &encode[..], bincode::config::standard())
}
}
impl MessageEncoder for ServerCallbackMessage {
fn encode(&self) -> Result<usize, EncodeError> {
bincode::serde::encode_into_std_write(self, &mut std::io::sink(), bincode::config::standard())
}
fn decode(encode: usize) -> Result<Self, DecodeError> {
bincode::serde::decode_from_std_read(&mut &encode[..], bincode::config::standard())
}
}
#[cfg(test)]
mod encoder_tests {
use crate::message_encoder::MessageEncoder;
use crate::messages::PlayerMessage;
#[test]
fn test_encode_decode() {
let msg: String = String::from("Hello, World!");
let msg_player = PlayerMessage::Message(msg);
let msg_player_encoded = (&msg_player).encode().expect("Encode failed");
let msg_player_decoded = PlayerMessage::decode(msg_player_encoded).expect("Decode failed");
assert!(msg_player == msg_player_decoded)
}
}
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