private ITcpClient GetClient()
{
lock (connections)
{
List <ITcpClient> clients = null;
if (connections.TryGetValue(connectionKey, out clients))
{
// remove bad clients
//Debug.Log("removing clients " + connectionKey);
clients.RemoveAll(delegate(ITcpClient client)
{
if (!client.Connected || Time.Since(client.LastTime) >= kConnectionTimeout)
{
//Debug.Log("removing client");
client.Close();
return(true);
}
return(false);
});
if (clients.Count > 0)
{
var client = clients[clients.Count - 1];
clients.RemoveAt(clients.Count - 1);
//Debug.Log("reusing client " + Time.Since(client.LastTime));
return(client);
}
}
}
//Debug.Log("creating new client " + connectionKey);
ITcpClient tcpClient = TcpClientFactory.Create(_uri.Scheme == "https");
if (Proxy != null && _uri.Scheme == "https")
{
(tcpClient as TcpClientEvent).ConnectedEvent += delegate(object sender)
{
const string CRLF = "\r\n";
string request = "CONNECT " + _uri.Host + ":" + _uri.Port + " HTTP/1.1" + CRLF
+ "Host: " + _uri.HostAndPort + CRLF
+ CRLF;
var bytes = Encoding.GetBytes(request);
tcpClient.Write(bytes, 0, bytes.Length);
string header = ReadLine(tcpClient).ToLower();
if (!header.StartsWith("http/1.1 200 connection established") && !header.StartsWith("http/1.0 200 connection established"))
{
tcpClient.Close();
tcpClient = null;
throw new System.Net.WebException("failed to connect to proxy");
}
// read the headers
while (true)
{
var line = ReadLine(tcpClient);
//Debug.Log("line: " + line + " " + line.Length);
if (line.Length == 0)
{
break;
}
}
};
}
return(tcpClient);
}
bool DoConnect()
{
if (Proxy == null)
{
_client = TcpClientFactory.Create(_uri.Scheme == "wss");
EB.Debug.Log("connect " + _uri.Host + " on port " + _uri.Port);
if (!_client.Connect(_uri.Host, _uri.Port, 5 * 1000))
{
_client.Close();
_client = null;
_state = WebSocketState.None;
Error("failed to connect");
return(false);
}
}
else
{ // use proxy
bool secure = _uri.Scheme == "wss";
_client = TcpClientFactory.Create(secure);
if (secure)
{
(_client as TcpClientEvent).ConnectedEvent += delegate(object sender)
{
const string CRLF = "\r\n";
string request = "CONNECT " + _uri.Host + ":" + _uri.Port + " HTTP/1.1" + CRLF
+ "Host: " + _uri.HostAndPort + CRLF
+ CRLF;
var bytes = Encoding.GetBytes(request);
_client.Write(bytes, 0, bytes.Length);
string header = ReadLine(_client).ToLower();
if (!header.StartsWith("http/1.1 200 connection established") && !header.StartsWith("http/1.0 200 connection established"))
{
_client.Close();
_state = WebSocketState.None;
throw new System.Net.WebException("failed to connect to proxy");
}
// read the headers
while (true)
{
var line = ReadLine(_client);
//Debug.Log("line: " + line + " " + line.Length);
if (line.Length == 0)
{
break;
}
}
};
}
EB.Debug.Log("connect proxy " + Proxy.Host + " on port " + Proxy.Port);
if (!_client.Connect(Proxy.Host, Proxy.Port, 5 * 1000))
{
_client.Close();
_client = null;
_state = WebSocketState.None;
Error("failed to connect proxy");
return(false);
}
}
_client.ReadTimeout = 5 * 1000;
_client.WriteTimeout = 5 * 1000;
if (!_running)
{
return(false);
}
return(true);
}