private void HandleAck(HttpListenerContext ctx, CallInfo callInfo)
{
Logger.Debug("Received message ack for id: " + callInfo.ClientId);
var msg = new TransportMessage {
ReturnAddress = ReturnAddress
};
using (var scope = new TransactionScope(TransactionScopeOption.Required, new TransactionOptions {
IsolationLevel = IsolationLevel.ReadCommitted, Timeout = TimeSpan.FromSeconds(30)
}))
{
byte[] outMessage;
NameValueCollection outHeaders;
persister.AckMessage(callInfo.ClientId, Convert.FromBase64String(callInfo.MD5), out outMessage, out outHeaders);
if (outHeaders != null && outMessage != null)
{
msg.Body = outMessage;
HeaderMapper.Map(outHeaders, msg);
if (msg.TimeToBeReceived < TimeSpan.FromSeconds(1))
{
msg.TimeToBeReceived = TimeSpan.FromSeconds(1);
}
msg.Recoverable = true;
if (String.IsNullOrEmpty(msg.IdForCorrelation))
{
msg.IdForCorrelation = msg.Id;
}
if (msg.MessageIntent == MessageIntentEnum.Init) // wasn't set by client
{
msg.MessageIntent = MessageIntentEnum.Send;
}
//todo the from key isn't used for anything, remove?
if (ctx.Request.Headers[HttpHeaders.FromKey] != null)
{
msg.Headers.Add(Headers.HttpFrom, ctx.Request.Headers[HttpHeaders.FromKey]);
}
MessageReceived(this, new MessageForwardingArgs {
Message = msg
});
}
scope.Complete();
}
ReportSuccess(ctx);
}
void HandleAck(CallInfo callInfo)
{
var msg = new TransportMessage();
using (var scope = new TransactionScope(TransactionScopeOption.Required, new TransactionOptions {
IsolationLevel = IsolationLevel.ReadCommitted, Timeout = TimeSpan.FromSeconds(30)
}))
{
byte[] outMessage;
NameValueCollection outHeaders;
persister.AckMessage(callInfo.ClientId, out outMessage, out outHeaders);
if (outHeaders != null && outMessage != null)
{
msg.Body = outMessage;
HeaderMapper.Map(outHeaders, msg);
if (msg.TimeToBeReceived < TimeSpan.FromSeconds(1))
{
msg.TimeToBeReceived = TimeSpan.FromSeconds(1);
}
msg.Recoverable = true;
if (String.IsNullOrEmpty(msg.IdForCorrelation))
{
msg.IdForCorrelation = msg.Id;
}
if (msg.MessageIntent == MessageIntentEnum.Init) // wasn't set by client
{
msg.MessageIntent = MessageIntentEnum.Send;
}
//todo this header is used by the httpheadermanager and need to be abstracted to support other channels
if (callInfo.Headers[HttpHeaders.FromKey] != null)
{
msg.Headers.Add(Headers.HttpFrom, callInfo.Headers[HttpHeaders.FromKey]);
}
MessageReceived(this, new MessageReceivedOnChannelArgs {
Message = msg
});
}
scope.Complete();
}
}
public void Send(TransportMessage msg, string remoteUrl)
{
var headers = new WebHeaderCollection();
if (!String.IsNullOrEmpty(msg.IdForCorrelation))
{
msg.IdForCorrelation = msg.Id;
}
HeaderMapper.Map(msg, headers);
var buffer = msg.Body;
var request = WebRequest.Create(remoteUrl);
request.Method = "POST";
request.ContentType = "application/x-www-form-urlencoded";
string hash = Hasher.Hash(buffer);
headers[HttpHeaders.ContentMd5Key] = hash;
headers["NServiceBus.Gateway"] = "true";
//todo the from key isn't used for anything, remove?
headers[HttpHeaders.FromKey] = ListenUrl;
headers[HeaderMapper.NServiceBus + HeaderMapper.CallType] = Enum.GetName(typeof(CallType), CallType.Submit);
request.Headers = headers;
request.ContentLength = buffer.Length;
var stream = request.GetRequestStream();
stream.Write(buffer, 0, buffer.Length);
Logger.Debug("Sending message to: " + remoteUrl);
int statusCode;
using (var response = request.GetResponse() as HttpWebResponse)
statusCode = (int)response.StatusCode;
Logger.Debug("Got HTTP response with status code " + statusCode);
if (statusCode != 200)
{
Logger.Info("Message not transferred successfully. Trying again...");
throw new Exception("Retrying");
}
Logger.Debug("Message transferred successfully. Going to acknowledge.");
var ack = WebRequest.Create(remoteUrl);
ack.Method = "POST";
ack.ContentType = "application/x-www-form-urlencoded";
ack.Headers = headers;
ack.Headers[HeaderMapper.NServiceBus + HeaderMapper.CallType] = Enum.GetName(typeof(CallType), CallType.Ack);
ack.ContentLength = 0;
Logger.Debug("Sending ack to: " + remoteUrl);
int ackCode;
using (var ackResponse = ack.GetResponse() as HttpWebResponse)
ackCode = (int)ackResponse.StatusCode;
Logger.Debug("Got HTTP response with status code " + ackCode);
if (ackCode != 200)
{
Logger.Info("Ack not transferred successfully. Trying again...");
throw new Exception("Retrying");
}
}
