internal async Task SendAsync(DiscordFrameType type, object payload)
{
if (this.Pipe == null || !this.Pipe.IsConnected)
{
return;
}
var result = new DiscordFrame()
.WithType(type)
.WithPayload(payload)
.GetBytes();
await this.RequireConnectedAsync().ConfigureAwait(false);
await this.Pipe.WriteAsync(result, 0, result.Length).ConfigureAwait(false);
}
public async Task SetActivityAsync(DiscordActivity activity, int?pid = null)
{
var command = new DiscordCommand()
{
Command = DiscordCommandType.SetActivity,
Arguments = JObject.FromObject(new
{
pid = pid.GetValueOrDefault(Process.GetCurrentProcess().Id),
activity
})
};
var result = new DiscordFrame()
.WithType(DiscordFrameType.Frame)
.WithPayload(command)
.GetBytes();
await this.RequireConnectedAsync().ConfigureAwait(false);
await this.Pipe.WriteAsync(result, 0, result.Length).ConfigureAwait(false);
}
internal async Task HandleFrameAsync(DiscordFrame frame)
{
var payload = frame.Payload.ToObject <DiscordCommand>();
if (!string.IsNullOrEmpty(payload.Nonce))
{
if (this.Callbacks.TryRemove(payload.Nonce, out var callback))
{
_ = Task.Run(() => callback(this, payload).ConfigureAwait(false));
return;
}
}
switch (payload.Command)
{
case DiscordCommandType.Dispatch:
await this.HandleEventAsync(frame, payload).ConfigureAwait(false);
break;
}
}
internal async Task SendCommandAsync(DiscordFrameType type, DiscordCommand command, DiscordCommandCallback callback = null)
{
if (this.Pipe == null || !this.Pipe.IsConnected)
{
return;
}
var result = new DiscordFrame()
.WithType(type)
.WithPayload(command)
.GetBytes();
if (callback != null)
{
this.Callbacks.AddOrUpdate(command.Nonce, callback, (key, old) => callback);
}
await this.RequireConnectedAsync().ConfigureAwait(false);
await this.Pipe.WriteAsync(result, 0, result.Length).ConfigureAwait(false);
}
async Task ReadPipeAsync()
{
while (this.Pipe != null && this.Pipe.IsConnected)
{
try
{
var raw = new byte[this.Pipe.InBufferSize];
if (await this.Pipe.ReadAsync(raw, 0, raw.Length).ConfigureAwait(false) > 0)
{
var frame = new DiscordFrame(raw);
Debug.WriteLine("[DISCORD-IPC] ReadPipeAsync(): <<: {0}", args: frame.GetJson());
switch (frame.Type)
{
case DiscordFrameType.Frame:
await this.HandleFrameAsync(frame);
break;
case DiscordFrameType.Close:
await this.DisconnectAsync();
break;
}
}
await Task.Delay(1);
}
catch (Exception ex)
{
await this.Errored?.Invoke(ex);
await this.DisconnectAsync().ConfigureAwait(false);
}
}
await this.DisconnectAsync().ConfigureAwait(false);
}
protected async Task HandleEventAsync(DiscordFrame frame, DiscordCommand command)
{
switch (command.Event)
{
case DiscordEventType.Ready:
{
var e = command.Data.ToObject <ReadyEventArgs>();
e.Client = this;
this.Environment = e.Configuration;
this.RpcVersion = e.Version;
this.CurrentUser = e.User;
var handler = this.Ready;
if (handler != null)
{
await handler.Invoke(e).ConfigureAwait(false);
}
}
break;
}
}