public void Send()
{
try
{
_request.BeginGetRequestStream(GetRequestStreamCallback, Exchange);
}
catch (Exception e)
{
Exchange.Dispose();
_listener.OnException(e, ObjectConverter.ToListOfIMessage(_messages));
}
}
/// <summary>
/// Cancels this HTTP Web request.
/// </summary>
public virtual void Abort()
{
if (_isSending && !_aborted)
{
_aborted = true;
_request.Abort();
if (null != _listener)
{
_listener.OnException(new OperationCanceledException("The HTTP request has been aborted."), _messages);
}
}
}
/// <summary>
/// Sends the specified messages to a Bayeux server asynchronously.
/// </summary>
/// <param name="listener">The listener used to process the request response.</param>
/// <param name="messages">The list of messages will be sent in one HTTP request.</param>
public override void Send(ITransportListener listener, params IMutableMessage[] messages)
{
if (messages == null || messages.Length == 0 || messages[0] == null)
throw new ArgumentNullException("messages");
string url = this.Url;
if (null == url) url = String.Empty;
else url = url.Trim();
// Builds the request URL based on the message channel name
Match uriMatch = uriRegex.Match(url);
if (uriMatch.Success)
{
string afterPath = (uriMatch.Groups.Count > 7) ? uriMatch.Groups[7].Value : null;
// Append message type into the URL ?
if ((afterPath == null || afterPath.Trim().Length == 0)
&& messages.Length == 1 && messages[0].IsMeta)
{
string type = messages[0].Channel.Substring(Channel.Meta.Length);
url = url.TrimEnd('\\', '/') + "/" + type.Trim('\\', '/');
}
}
try
{
// Creates a new HttpWebRequest object
HttpWebRequest request = WebRequest.Create(new Uri(url, UriKind.RelativeOrAbsolute)) as HttpWebRequest;
request.Method = WebRequestMethods.Http.Post;
request.Accept = "application/json";
request.ContentType = request.Accept + ";charset=" + Encoding.UTF8.WebName;
request.KeepAlive = true;
request.AllowWriteStreamBuffering = true; // Is needed for KeepAlive
request.AllowAutoRedirect = true;
request.AutomaticDecompression = DecompressionMethods.GZip | DecompressionMethods.Deflate;
request.Proxy = null; // Skips the proxy auto-detect step (~ 7s)
// Setups HTTP request headers
this.ApplyRequestHeaders(request);
// Setups HTTP request cookies
this.ApplyRequestCookies(request);
// Calculates the HTTP request timeout (in milliseconds)
int maxNetworkDelay = this.GetOption<int>(MaxNetworkDelayOption, request.Timeout);
if (messages.Length == 1
&& Channel.MetaConnect.Equals(messages[0].Channel, StringComparison.OrdinalIgnoreCase))
{
IDictionary<string, object> advice = messages[0].Advice;
if (advice == null)
advice = _advice;
object val;
if (advice != null && advice.TryGetValue(Message.TimeoutField, out val))
{
long timeout = ObjectConverter.ToPrimitive<long>(val, 0);
if (timeout != 0)
maxNetworkDelay += unchecked((int)timeout);
}
}
request.Timeout = maxNetworkDelay;
//if (null != _customize) _customize(request);
// Creates a new HTTP Transport Exchange
LongPollingRequest httpExchange;
lock (_exchanges)
{
if (_aborted)
throw new InvalidOperationException("The client transport has been aborted.");
httpExchange = new LongPollingRequest(this, request, listener, messages);
_exchanges.Add(httpExchange);
}
// Processes the HTTP request
httpExchange.Send();
}
catch (Exception ex)
{
if (listener != null)
listener.OnException(ex, messages);
else
{
// DEBUG
Trace.TraceError("Failed to send messages:{0}{1}{0}--- via transport: {2}{0}{3}",
Environment.NewLine, ObjectConverter.Serialize(messages), this.ToString(), ex.ToString());
}
}
}
/// <summary>
/// Sends the specified messages to a Bayeux server asynchronously.
/// </summary>
/// <param name="listener">The listener used to process the request response.</param>
/// <param name="messages">The list of messages will be sent in one HTTP request.</param>
public override void Send(ITransportListener listener, params IMutableMessage[] messages)
{
if (messages == null || messages.Length == 0 || messages[0] == null)
{
throw new ArgumentNullException("messages");
}
string url = this.Url;
if (null == url)
{
url = String.Empty;
}
else
{
url = url.Trim();
}
// Builds the request URL based on the message channel name
Match uriMatch = uriRegex.Match(url);
if (uriMatch.Success)
{
string afterPath = (uriMatch.Groups.Count > 7) ? uriMatch.Groups[7].Value : null;
// Append message type into the URL ?
if ((afterPath == null || afterPath.Trim().Length == 0) &&
messages.Length == 1 && messages[0].IsMeta)
{
string type = messages[0].Channel.Substring(Channel.Meta.Length);
url = url.TrimEnd('\\', '/') + "/" + type.Trim('\\', '/');
}
}
try
{
// Creates a new HttpWebRequest object
HttpWebRequest request = WebRequest.Create(new Uri(url, UriKind.RelativeOrAbsolute)) as HttpWebRequest;
request.Method = WebRequestMethods.Http.Post;
request.Accept = "application/json";
request.ContentType = request.Accept + ";charset=" + Encoding.UTF8.WebName;
request.KeepAlive = true;
request.AllowWriteStreamBuffering = true; // Is needed for KeepAlive
request.AllowAutoRedirect = true;
request.AutomaticDecompression = DecompressionMethods.GZip | DecompressionMethods.Deflate;
request.Proxy = null; // Skips the proxy auto-detect step (~ 7s)
// Setups HTTP request headers
this.ApplyRequestHeaders(request);
// Setups HTTP request cookies
this.ApplyRequestCookies(request);
// Calculates the HTTP request timeout (in milliseconds)
int maxNetworkDelay = this.GetOption <int>(MaxNetworkDelayOption, request.Timeout);
if (messages.Length == 1 &&
Channel.MetaConnect.Equals(messages[0].Channel, StringComparison.OrdinalIgnoreCase))
{
IDictionary <string, object> advice = messages[0].Advice;
if (advice == null)
{
advice = _advice;
}
object val;
if (advice != null && advice.TryGetValue(Message.TimeoutField, out val))
{
long timeout = ObjectConverter.ToPrimitive <long>(val, 0);
if (timeout != 0)
{
maxNetworkDelay += unchecked ((int)timeout);
}
}
}
request.Timeout = maxNetworkDelay;
//if (null != _customize) _customize(request);
// Creates a new HTTP Transport Exchange
LongPollingRequest httpExchange;
lock (_exchanges)
{
if (_aborted)
{
throw new InvalidOperationException("The client transport has been aborted.");
}
httpExchange = new LongPollingRequest(this, request, listener, messages);
_exchanges.Add(httpExchange);
}
// Processes the HTTP request
httpExchange.Send();
}
catch (Exception ex)
{
if (listener != null)
{
listener.OnException(ex, messages);
}
else
{
// DEBUG
Trace.TraceError("Failed to send messages:{0}{1}{0}--- via transport: {2}{0}{3}",
Environment.NewLine, ObjectConverter.Serialize(messages), this.ToString(), ex.ToString());
}
}
}