public static async Task <SslSock> SslStartClientAsync(this ConnSock baseSock, PalSslClientAuthenticationOptions sslOptions, CancellationToken cancel = default)
{
SslSock ret = new SslSock(baseSock);
await ret.StartSslClientAsync(sslOptions, cancel);
return(ret);
}
public static async Task <WebSocket> ConnectAsync(string uri, WebSocketConnectOptions?options = null, CancellationToken cancel = default)
{
if (options == null)
{
options = new WebSocketConnectOptions();
}
Uri u = new Uri(uri);
int port = 0;
bool useSsl = false;
if (u.Scheme._IsSamei("ws"))
{
port = Consts.Ports.Http;
}
else if (u.Scheme._IsSamei("wss"))
{
port = Consts.Ports.Https;
useSsl = true;
}
else
{
throw new ArgumentException($"uri \"{uri}\" is not a WebSocket address.");
}
if (u.IsDefaultPort == false)
{
port = u.Port;
}
ConnSock tcpSock = await LocalNet.ConnectIPv4v6DualAsync(new TcpConnectParam(u.Host, port, connectTimeout : options.WebSocketOptions.TimeoutOpen, dnsTimeout : options.WebSocketOptions.TimeoutOpen), cancel);
try
{
ConnSock targetSock = tcpSock;
try
{
if (useSsl)
{
SslSock sslSock = new SslSock(tcpSock);
try
{
options.SslOptions.TargetHost = u.Host;
await sslSock.StartSslClientAsync(options.SslOptions, cancel);
targetSock = sslSock;
}
catch
{
sslSock._DisposeSafe();
throw;
}
}
WebSocket webSock = new WebSocket(targetSock, options.WebSocketOptions);
await webSock.StartWebSocketClientAsync(uri, cancel);
return(webSock);
}
catch
{
targetSock.Dispose();
throw;
}
}
catch
{
tcpSock._DisposeSafe();
throw;
}
}