public NettyRequestListener(HttpProvider_HttpRequestListener listener, NettyFullAddress target, IChannel ch, HttpPoolManager channelPool)
{
this.wrapped = listener;
this.target = target;
this.ch = ch;
this.channelPool = channelPool;
}
public virtual RequestHandle createConnection(Protocol protocol, LightstreamerRequest request, com.lightstreamer.client.transport.providers.HttpProvider_HttpRequestListener httpListener, IDictionary <string, string> extraHeaders, Proxy proxy, long tcpConnectTimeout, long tcpReadTimeout)
{
string address = request.TargetServer + "lightstreamer/" + request.RequestName + ".txt" + "?LS_protocol=" + Constants.TLCP_VERSION;
Uri uri;
try
{
uri = new Uri(address);
}
catch (Exception e)
{
log.Fatal("Unexpectedly invalid URI: " + address, e);
throw new System.ArgumentException(e.Message);
}
bool secure = isSSL(address);
int port = uri.Port == -1 ? (secure ? 443 : 80) : uri.Port;
IFullHttpRequest httpRequest = new DefaultFullHttpRequest(HttpVersion.Http11, HttpMethod.Post, uri.PathAndQuery);
httpRequest.Headers.Set(HttpHeaderNames.Host, uri.Host);
string cookies = CookieHelper.getCookieHeader(uri);
log.Info("Requested cookies for uri " + uri + ": " + cookies);
if (!string.ReferenceEquals(cookies, null) && cookies.Length > 0)
{
httpRequest.Headers.Set(HttpHeaderNames.Cookie, cookies);
}
httpRequest.Headers.Set(HttpHeaderNames.UserAgent, ua);
httpRequest.Headers.Set(HttpHeaderNames.ContentType, "text/plain; charset=UTF-8");
if (extraHeaders != null)
{
foreach (KeyValuePair <string, string> header in extraHeaders.SetOfKeyValuePairs())
{
httpRequest.Headers.Set(new AsciiString(header.Key), header.Value);
}
}
IByteBuffer bbuf = Unpooled.CopiedBuffer(request.getTransportAwareQueryString(null, true) + "\r\n", Encoding.UTF8);
httpRequest.Headers.Set(HttpHeaderNames.ContentLength, bbuf.ReadableBytes);
httpRequest.Content.Clear().WriteBytes(bbuf);
string host4Netty = System.Net.Dns.GetHostAddresses(uri.Host)[0].ToString();
log.Debug("cs ---- address: " + address + ", " + host4Netty);
NettyFullAddress target = new NettyFullAddress(secure, host4Netty, port, uri.Host, proxy);
NettyInterruptionHandler interruptionHandler = new NettyInterruptionHandler();
bindAsync(uri, target, httpListener, httpRequest, interruptionHandler);
return(interruptionHandler);
}
public virtual void release(NettyFullAddress address, IChannel ch)
{
ChannelPoolMapWrapper poolMap = poolMapRef.Value;
if (poolMap != null)
{
SimpleChannelPool pool = poolMap.PoolMap.Get(address);
pool.ReleaseAsync(ch);
}
}
public override bool Equals(object obj)
{
if (obj == null)
{
return(false);
}
NettyFullAddress check = (NettyFullAddress)obj;
if ((this.proxy == null && check.proxy == null) || (this.proxy != null && this.proxy.Equals(check.proxy)))
{
return(addressObj.Equals(check.addressObj));
}
return(false);
}
public virtual async void connect(string address, SessionRequestListener networkListener, IDictionary <string, string> extraHeaders, string cookies, Proxy proxy, long timeout)
{
Uri uri = LsUtils.uri(address);
string host = uri.Host;
int port = LsUtils.port(uri);
bool secure = LsUtils.isSSL(uri);
try
{
string host4Netty = System.Net.Dns.GetHostAddresses(host)[0].ToString();
NettyFullAddress remoteAddress = new NettyFullAddress(secure, host4Netty, port, host, proxy);
ExtendedNettyFullAddress extendedRemoteAddress = new ExtendedNettyFullAddress(remoteAddress, extraHeaders, cookies);
WebSocketChannelPool wsPool = (WebSocketChannelPool)wsPoolManager.get(extendedRemoteAddress);
IChannel ch = await wsPool.AcquireNewOr(timeout);
if (ch != null)
{
if (ch.Active)
{
this.channel = new MyChannel(ch, wsPool, networkListener);
WebSocketChannelHandler chHandler = new WebSocketChannelHandler(networkListener, channel);
PipelineUtils.populateWSPipeline(ch, chHandler);
networkListener.onOpen();
}
else
{
log.Error("WebSocket handshake error, ");
networkListener.onBroken();
}
}
else
{
log.Error("WebSocket handshake error, channel unexpectedly null");
networkListener.onBroken();
}
} catch (Exception e)
{
log.Error("WebSocket handshake error: " + e.Message);
networkListener.onBroken();
}
}
/// <summary>
/// Populates the channel pipeline in order to read data from a HTTP connection.
/// </summary>
public static void populateHttpPipeline(IChannel ch, NettyFullAddress remoteAddress, IChannelHandler httpChHandler)
{
IChannelPipeline pipeline = ch.Pipeline;
ProxyHandler proxy = remoteAddress.Proxy;
if (proxy != null)
{
log.Info("Add Proxy: " + proxy.ProxyAddress);
pipeline.AddLast("proxy", proxy);
}
if (remoteAddress.Secure)
{
pipeline.AddLast("tls", new TlsHandler(new ClientTlsSettings(remoteAddress.HostName)));
}
pipeline.AddLast("http", new HttpClientCodec());
pipeline.AddLast(READER_KEY, httpChHandler);
}
public virtual ValueTask <IChannel> acquire(NettyFullAddress address)
{
SimpleChannelPool pool = PoolMapWrapper.PoolMap.Get(address);
return(pool.AcquireAsync());
}
public HttpChannelPool(NettyFullAddress remoteAddress, Bootstrap bootstrap, IChannelPoolHandler handler) : base(bootstrap, handler)
{
this.remoteAddress = remoteAddress;
this.bootstrap = bootstrap;
}
internal HttpChannelPoolHandler(NettyFullAddress key)
{
this.key = key;
}
public virtual HttpChannelPool getChannelPool(NettyFullAddress address)
{
return(PoolMapWrapper.PoolMap.Get(address));
}
private string format(NettyFullAddress target)
{
return(target.Host + ":" + target.Port + " - " + target.Secure + "(" + target.ToString() + ").");
}
private async void bindAsync(Uri uri, NettyFullAddress target, com.lightstreamer.client.transport.providers.HttpProvider_HttpRequestListener httpListener, IFullHttpRequest httpRequest, NettyInterruptionHandler interruptionHandler)
{
if (log.IsDebugEnabled)
{
log.Debug("HTTP transport connection establishing (oid=" + objectId + "): " + format(uri, httpRequest));
log.Debug(" - target: " + format(target));
}
try
{
IChannel channel_e = await httpPoolManager.acquire(target);
log.Debug(" - acquired! " + channel_e.Id);
// IChannel ch2 = channelFuture.Result;
NettySocketHandler socketHandler2 = (NettySocketHandler)PipelineUtils.getChannelHandler(channel_e);
if (socketHandler2 == null)
{
log.Debug("Socket Handler null.");
}
else
{
NettyRequestListener requestListener2 = new NettyRequestListener(httpListener, target, channel_e, httpPoolManager);
bool listenerBound = socketHandler2.switchListener(uri, requestListener2, interruptionHandler);
if (!listenerBound)
{
this.sessionThread.schedule(new Task(() =>
{
bindAsync(uri, target, httpListener, httpRequest, interruptionHandler);
}), 500);
if (log.IsDebugEnabled)
{
log.Debug("Go Bind!");
}
}
else
{
// Thread.Sleep(400);
Task snd_req = channel_e.WriteAndFlushAsync(httpRequest).ContinueWith((snd_req_task, fu2) =>
{
log.Debug("Send Request Task status = " + snd_req_task.Status);
if (snd_req_task.IsFaulted)
{
log.Error("HTTP write failed [" + channel_e.Id + "]: " + httpRequest.Uri + ", " + snd_req_task.Exception);
channel_e.CloseAsync();
requestListener2.onBroken();
}
}, this);
if (log.IsDebugEnabled)
{
log.Debug("Go with the request " + channel_e.Active);
}
}
}
return;
}
catch (ConnectException ce)
{
log.Info("Connection error: " + ce.Message);
if (log.IsDebugEnabled)
{
log.Debug("HTTP transport connection error (Couldn't get a socket, try again) (oid=" + objectId + "): " + format(uri, httpRequest));
log.Debug(" - " + ce.StackTrace);
}
}
catch (ConnectTimeoutException cte)
{
log.Info("Timeout error: " + cte.Message);
if (log.IsDebugEnabled)
{
log.Debug("HTTP transport timeout error (Couldn't get a socket, try again) (oid=" + objectId + "): " + format(uri, httpRequest));
log.Debug(" - " + cte.StackTrace);
}
}
catch (Exception e)
{
log.Info("Error: " + e.Message);
if (log.IsDebugEnabled)
{
log.Debug("HTTP transport error (Couldn't get a socket, try again) (oid=" + objectId + "): " + format(uri, httpRequest));
log.Debug(" - " + e.StackTrace);
}
}
}
