public RemotingResponse HandleRequest(IRequestHandlerContext context, RemotingRequest request)
{
var pullMessageRequest = _binarySerializer.Deserialize<PullMessageRequest>(request.Body);
var messages = _messageService.GetMessages(
pullMessageRequest.MessageQueue.Topic,
pullMessageRequest.MessageQueue.QueueId,
pullMessageRequest.QueueOffset,
pullMessageRequest.PullMessageBatchSize);
if (messages.Count() > 0)
{
var pullMessageResponse = new PullMessageResponse(messages);
var responseData = _binarySerializer.Serialize(pullMessageResponse);
return new RemotingResponse((int)PullStatus.Found, request.Sequence, responseData);
}
else
{
var pullRequest = new PullRequest(
request.Sequence,
pullMessageRequest,
context,
DateTime.Now,
SuspendPullRequestMilliseconds,
ExecutePullRequest,
ExecutePullRequest,
ExecuteReplacedPullRequest);
_brokerController.SuspendedPullRequestManager.SuspendPullRequest(pullRequest);
return null;
}
}
public RemotingResponse HandleRequest(IRequestHandlerContext context, RemotingRequest request)
{
var pullMessageRequest = _binarySerializer.Deserialize<PullMessageRequest>(request.Body);
if (pullMessageRequest.QueueOffset < 0)
{
var lastConsumedQueueOffset = _offsetManager.GetQueueOffset(
pullMessageRequest.MessageQueue.Topic,
pullMessageRequest.MessageQueue.QueueId,
pullMessageRequest.ConsumerGroup);
var queueCurrentOffset = _messageService.GetQueueCurrentOffset(
pullMessageRequest.MessageQueue.Topic,
pullMessageRequest.MessageQueue.QueueId);
var nextQueueOffset = lastConsumedQueueOffset + 1;
if (lastConsumedQueueOffset == -1)
{
nextQueueOffset = queueCurrentOffset + 1;
}
var response = new PullMessageResponse(new QueueMessage[0], nextQueueOffset);
var responseData = _binarySerializer.Serialize(response);
return new RemotingResponse((int)PullStatus.NextOffsetReset, request.Sequence, responseData);
}
var messages = _messageService.GetMessages(
pullMessageRequest.MessageQueue.Topic,
pullMessageRequest.MessageQueue.QueueId,
pullMessageRequest.QueueOffset,
pullMessageRequest.PullMessageBatchSize);
if (messages.Count() > 0)
{
var pullMessageResponse = new PullMessageResponse(messages);
var responseData = _binarySerializer.Serialize(pullMessageResponse);
return new RemotingResponse((int)PullStatus.Found, request.Sequence, responseData);
}
else
{
var pullRequest = new PullRequest(
request.Sequence,
pullMessageRequest,
context,
DateTime.Now,
_brokerController.Setting.SuspendPullRequestMilliseconds,
ExecutePullRequest,
ExecutePullRequest,
ExecuteReplacedPullRequest);
_brokerController.SuspendedPullRequestManager.SuspendPullRequest(pullRequest);
return null;
}
}
private void ExecutePullRequest(PullRequest pullRequest)
{
var consumerGroup = _brokerController.ConsumerManager.GetConsumerGroup(pullRequest.PullMessageRequest.ConsumerGroup);
if (consumerGroup != null && consumerGroup.IsConsumerChannelActive(pullRequest.RequestHandlerContext.Channel.RemotingAddress))
{
var pullMessageRequest = pullRequest.PullMessageRequest;
var messages = _messageService.GetMessages(
pullMessageRequest.MessageQueue.Topic,
pullMessageRequest.MessageQueue.QueueId,
pullMessageRequest.QueueOffset,
pullMessageRequest.PullMessageBatchSize);
var pullMessageResponse = new PullMessageResponse(messages);
var responseData = _binarySerializer.Serialize(pullMessageResponse);
var remotingResponse = new RemotingResponse(messages.Count() > 0 ? (int)PullStatus.Found : (int)PullStatus.NoNewMessage, pullRequest.RemotingRequestSequence, responseData);
pullRequest.RequestHandlerContext.SendRemotingResponse(remotingResponse);
}
}
