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use std::convert::TryInto;
use crate::{
deserialize::Deserialize,
primitive::{VariantList, VariantMap},
serialize::Serialize,
session::Session,
};
use num_derive::{FromPrimitive, ToPrimitive};
mod heartbeat;
mod initdata;
mod initrequest;
pub mod objects;
mod rpccall;
mod syncmessage;
mod translation;
pub use translation::*;
pub use heartbeat::*;
pub use initdata::*;
pub use initrequest::*;
pub use rpccall::*;
pub use syncmessage::*;
/// SyncProxy sends sync and rpc messages
pub trait SyncProxy: Session {
fn sync(
&self,
class_name: &str,
object_name: Option<&str>,
function: &str,
params: VariantList,
);
/// Send a RpcCall
fn rpc(&self, function: &str, params: VariantList);
}
/// A base Syncable Object
pub trait Syncable {
/// Send a SyncMessage.
///
/// Must implement a call to session.sync() that sets the class and object names
///
/// Example:
/// ```ignore
/// impl Syncable for AliasManager {
/// fn sync(&self, session: impl SyncProxy, function: &str, params: VariantList) {
/// session.sync("AliasManager", None, function, params)
/// }
/// }
/// ```
fn sync(&self, session: impl SyncProxy, function: &str, params: VariantList);
/// Send a RpcCall
fn rpc(&self, session: impl SyncProxy, function: &str, params: VariantList) {
session.rpc(function, params);
}
}
// TODO handle client vs server with feature flag
/// A Stateful Syncable Object
#[allow(unused_variables)]
pub trait StatefulSyncable: Syncable {
/// Client -> Server: Update the whole object with received data
fn update(&mut self, session: impl SyncProxy, params: VariantMap)
where
Self: Sized + From<VariantMap>,
{
#[cfg(feature = "client")]
{
self.sync(session, "update", vec![params.into()]);
}
#[cfg(feature = "server")]
{
*self = params.try_into().unwrap();
}
}
/// Server -> Client: Update the whole object with received data
fn request_update(&mut self, session: impl SyncProxy, params: VariantMap)
where
Self: Sized + From<VariantMap>,
{
#[cfg(feature = "client")]
{
*self = params.try_into().unwrap();
}
#[cfg(feature = "server")]
{
self.sync(session, "requestUpdate", vec![params.into()]);
}
}
}
#[derive(Clone, Debug, std::cmp::PartialEq)]
pub enum Message {
/// Bidirectional
SyncMessage(SyncMessage),
/// Bidirectional
RpcCall(RpcCall),
InitRequest(InitRequest),
InitData(InitData),
/// Bidirectional
HeartBeat(HeartBeat),
/// Bidirectional
HeartBeatReply(HeartBeatReply),
}
// impl Message {
// fn act(&self) {
// match &self {
// Message::SyncMessage(value) => value.serialize(),
// Message::RpcCall(value) => value.serialize(),
// Message::InitRequest(value) => value.serialize(),
// Message::InitData(value) => value.serialize(),
// Message::HeartBeat(value) => value.serialize(),
// Message::HeartBeatReply(value) => value.serialize(),
// }
// }
// }
impl Serialize for Message {
fn serialize(&self) -> Result<Vec<std::primitive::u8>, failure::Error> {
match &self {
Message::SyncMessage(value) => value.serialize(),
Message::RpcCall(value) => value.serialize(),
Message::InitRequest(value) => value.serialize(),
Message::InitData(value) => value.serialize(),
Message::HeartBeat(value) => value.serialize(),
Message::HeartBeatReply(value) => value.serialize(),
}
}
}
impl Deserialize for Message {
fn parse(b: &[std::primitive::u8]) -> Result<(std::primitive::usize, Self), failure::Error> {
let (_, message_type) = i32::parse(&b[9..13])?;
match MessageType::from(message_type) {
MessageType::SyncMessage => {
let (size, res) = SyncMessage::parse(&b)?;
Ok((size, Message::SyncMessage(res)))
}
MessageType::RpcCall => {
let (size, res) = RpcCall::parse(&b)?;
Ok((size, Message::RpcCall(res)))
}
MessageType::InitRequest => {
let (size, res) = InitRequest::parse(&b)?;
Ok((size, Message::InitRequest(res)))
}
MessageType::InitData => {
let (size, res) = InitData::parse(&b)?;
Ok((size, Message::InitData(res)))
}
MessageType::HeartBeat => {
let (size, res) = HeartBeat::parse(&b)?;
Ok((size, Message::HeartBeat(res)))
}
MessageType::HeartBeatReply => {
let (size, res) = HeartBeatReply::parse(&b)?;
Ok((size, Message::HeartBeatReply(res)))
}
}
}
}
/// Type of an SignalProxy Message
/// The first element in the VariantList that is received
#[repr(i32)]
#[derive(Debug, Copy, Clone, PartialEq, FromPrimitive, ToPrimitive)]
pub enum MessageType {
/// Bidirectional
SyncMessage = 0x00000001,
/// Bidirectional
RpcCall = 0x00000002,
InitRequest = 0x00000003,
InitData = 0x00000004,
/// Bidirectional
HeartBeat = 0x00000005,
/// Bidirectional
HeartBeatReply = 0x00000006,
}
impl From<i32> for MessageType {
fn from(val: i32) -> Self {
match val {
0x00000001 => MessageType::SyncMessage,
0x00000002 => MessageType::RpcCall,
0x00000003 => MessageType::InitRequest,
0x00000004 => MessageType::InitData,
0x00000005 => MessageType::HeartBeat,
0x00000006 => MessageType::HeartBeatReply,
_ => unimplemented!(),
}
}
}
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