/// <summary> Asynchronously sends a message to the discord API </summary>
public void Send(DiscordApiMessage msg)
{
// can be null in gap between initial connection and ready event received
if (api != null)
{
api.SendAsync(msg);
}
}
void HandleNext()
{
DiscordApiMessage msg = null;
WebResponse res = null;
lock (reqLock) { msg = GetNextRequest(); }
if (msg == null)
{
handle.WaitOne(); return;
}
for (int retry = 0; retry < 10; retry++)
{
try {
HttpWebRequest req = HttpUtil.CreateRequest(host + msg.Path);
req.Method = "POST";
req.ContentType = "application/json";
req.Headers[HttpRequestHeader.Authorization] = "Bot " + Token;
string data = Json.SerialiseObject(msg.ToJson());
HttpUtil.SetRequestData(req, Encoding.UTF8.GetBytes(data));
res = req.GetResponse();
HttpUtil.GetResponseText(res);
break;
} catch (Exception ex) {
if (Handle429(ex))
{
continue;
}
Logger.LogError(ex);
return;
}
}
// Avoid triggering HTTP 429 error if possible
string remaining = res.Headers["X-RateLimit-Remaining"];
if (remaining == "1")
{
SleepForRetryPeriod(res);
}
}
public override bool CombineWith(DiscordApiMessage prior)
{
ChannelSendMessage msg = prior as ChannelSendMessage;
if (msg == null || msg.Path != Path)
{
return(false);
}
if (content.Length + msg.content.Length > 1024)
{
return(false);
}
// TODO: is stringbuilder even beneficial here
msg.content.Append('\n');
msg.content.Append(content.ToString());
content.Clear();
return(true);
}
DiscordApiMessage GetNextRequest()
{
if (requests.Count == 0)
{
return(null);
}
DiscordApiMessage first = requests.Dequeue();
// try to combine messages to minimise API calls
while (requests.Count > 0)
{
DiscordApiMessage next = requests.Peek();
if (!next.CombineWith(first))
{
break;
}
requests.Dequeue();
}
return(first);
}
/// <summary> Attempts to combine this message with a prior message to reduce API calls </summary>
public virtual bool CombineWith(DiscordApiMessage prior)
{
return(false);
}
/// <summary> Asynchronously sends a message to the Discord API </summary>
public void SendAsync(DiscordApiMessage msg)
{
lock (reqLock) requests.Enqueue(msg);
WakeupWorker();
}
public override bool CombineWith(DiscordApiMessage prior)
{
return(false);
}
