private void conn(string host, logger_ logger)
{
ready = false;
try
{
client = new ClientWebSocket();
logger("eventhost_connection", "connecting...");
client.ConnectAsync(new Uri("ws://" + host + ":8888/socket.io/"), ctoken).Wait();
}
catch (Exception err)
{
Die();
logger("eventhost_fatal", "crashed:" + err.Message, ConsoleColor.DarkRed);
logger("eventhost_fatal", "recovering...");
conn(host, logger);
}
}
/// <summary>
/// IOTQ协议 事件主机
/// </summary>
/// <param name="host">目标IP或主机地址</param>
/// <param name="qq">当前登录的qq</param>
/// <param name="threadpool">事件发生时用于处理的线程池</param>
/// <param name="logger">日志管理器，将处理所有日志信息</param>
/// <param name="buffersize">接收缓冲区大小 过大导致内存浪费，过小导致多次循环接收</param>
public EventHost(string host, long qq, pThreadPool threadpool, logger_ logger, int buffersize = 1024)
{
start = DateTime.Now;
this.logger = logger;
this.threadpool = threadpool;
this.host = host;
heartbeat = new Task(() =>
{
while (client.State != WebSocketState.Open)
{
Thread.Sleep(500);
}
logger("eventhost_connection", "HB manager started.");
while (!ctoken.IsCancellationRequested)
{
try
{
logger("eventhost_connection", "<heartbeat> sent");
client.SendAsync(Encoding.UTF8.GetBytes("2"), WebSocketMessageType.Text, true, ctoken).Wait();
Thread.Sleep(hbtime);
}
catch (Exception err)
{
Die();
logger("eventhost_fatal", "heartbeat manager crashed:" + err.Message, ConsoleColor.DarkRed);
logger("eventhost_fatal", "recovering...");
conn(host, logger);
Thread.Sleep(1000);
}
}
logger("eventhost_connection", "HB manager cancelled by token.");
});
receiver = new Task(() =>
{
while (client.State != WebSocketState.Open)
{
Thread.Sleep(500);
}
logger("eventhost_receiver", "started.");
while (!ctoken.IsCancellationRequested)
{
try
{
StringBuilder sb = new StringBuilder();
Task <WebSocketReceiveResult> t;
do
{
byte[] buffer = new byte[buffersize];
t = client.ReceiveAsync(buffer, ctoken);
t.Wait();
//logger("eventhost_receiver_debug", "new pack comming in, SIZE=" + t.Result.Count);
byte[] bRec = new byte[t.Result.Count];
Array.Copy(buffer, bRec, t.Result.Count);
sb.Append(Encoding.UTF8.GetString(bRec));
/*
* if (!t.Result.EndOfMessage)
* {
* logger("eventhost_receiver_debug", " - Large pack truncated, receiving next part...", ConsoleColor.DarkBlue);
* }
*/
} while (!t.Result.EndOfMessage);
if (InitPack.isInitPack(sb.ToString()))
{
threadpool.submitWorkload(() =>
{
InitPack i = new InitPack(sb.ToString());
onConnectionInit.Invoke(i);
});
}
else
{
threadpool.submitWorkload(() =>
{
NetPack packet = new NetPack(sb.ToString());
if (packet.code == 3 && (packet.eventstr == null || packet.eventstr.Length < 1))
{
//心跳包
}
else
{
onEventTrigger.Invoke(packet);
}
});
}
/*
* if (pack.IndexOf("[\"OK\"]") > -1)
* {
* logger("eventhost_connection", "ready.");
* ready = true;
* }
* if(pack.IndexOf("[\"当前已存在活动的WebSocket 已为您切换当前Socket\"]") > -1)
* {
* logger("eventhost_connection", "TARGET_SWITCHED - ready.");
* ready = true;
* }
* if (pack.IndexOf("[\"尚未在线\"]") > -1) {
* logger("eventhost_fatal", "Target not online. Will deleberately crash.");
* ready = false;
* throw new Exception("Target not online. Try again later.");
* }
*/
//logger("eventhost_receiver", "pack=" + pack);
}
catch (Exception err)
{
Die();
logger("eventhost_fatal", "main receiver crashed:" + err.Message, ConsoleColor.DarkRed);
logger("eventhost_fatal", "recovering...");
conn(host, logger);
Thread.Sleep(500);
}
}
logger("eventhost_receiver", "cancelled by ctoken.", ConsoleColor.DarkBlue);
});
this.qq = qq;
conn(host, logger);
onConnectionInit += ConnectionInit;
onEventTrigger += PackRecv;
if (heartbeat.Status != TaskStatus.Running)
{
heartbeat.Start();
}
if (receiver.Status != TaskStatus.Running)
{
receiver.Start();
}
}
