internal async Task SendEventAsync(string serviceName, string methodName, IMessage message)
{
var conversationId = AllocateNextConversationId();
var totalTime = Stopwatch.StartNew();
var requestMetrics = Metrics.StartRequestMetrics(ConnectionMetrics);
var sendContext = new RelayEpoxySendContext(this, ConnectionMetrics, requestMetrics);
IBonded layerData = null;
ILayerStack layerStack;
Error layerError = parentTransport.GetLayerStack(requestMetrics.request_id, out layerStack);
if (layerError == null)
{
layerError = LayerStackUtils.ProcessOnSend(
layerStack,
MessageType.EVENT,
sendContext,
out layerData,
logger);
}
if (layerError != null)
{
logger.Site().Error(
"{0} Sending event {1}/{2}.{3} failed due to layer error (Code: {4}, Message: {5}).",
this,
conversationId,
serviceName,
methodName,
layerError.error_code,
layerError.message);
return;
}
var frame = MessageToFrame(conversationId, serviceName, methodName, EpoxyMessageType.EVENT, message, layerData, logger);
logger.Site().Debug("{0} Sending event {1}/{2}.{3}.", this, conversationId, serviceName, methodName);
bool wasSent = await SendFrameAsync(frame);
logger.Site().Debug(
"{0} Sending event {1}/{2}.{3} {4}.",
this,
conversationId,
serviceName,
methodName,
wasSent ? "succeeded" : "failed");
Metrics.FinishRequestMetrics(requestMetrics, totalTime);
metrics.Emit(requestMetrics);
}
async Task SendReplyAsync(
ulong conversationId,
IMessage response,
ILayerStack layerStack,
RequestMetrics requestMetrics)
{
var sendContext = new RelayEpoxySendContext(this, ConnectionMetrics, requestMetrics);
IBonded layerData;
Error layerError = LayerStackUtils.ProcessOnSend(
layerStack,
MessageType.RESPONSE,
sendContext,
out layerData,
logger);
// If there was a layer error, replace the response with the layer error
if (layerError != null)
{
logger.Site().Error(
"{0} Sending reply for conversation ID {1} failed due to layer error (Code: {2}, Message: {3}).",
this,
conversationId,
layerError.error_code,
layerError.message);
// Set layer error as result of this Bond method call, replacing original response.
// Since this error will be returned to client, cleanse out internal server error details, if any.
response = Message.FromError(Errors.CleanseInternalServerError(layerError));
}
var frame = MessageToFrame(conversationId, null, null, EpoxyMessageType.RESPONSE, response, layerData, logger);
logger.Site().Debug("{0} Sending reply for conversation ID {1}.", this, conversationId);
bool wasSent = await SendFrameAsync(frame);
logger.Site().Debug(
"{0} Sending reply for conversation ID {1} {2}.",
this,
conversationId,
wasSent ? "succeedeed" : "failed");
}
async Task <IMessage> SendRequestAsync <TPayload>(string serviceName, string methodName, IMessage <TPayload> request)
{
var conversationId = AllocateNextConversationId();
var totalTime = Stopwatch.StartNew();
var requestMetrics = Metrics.StartRequestMetrics(ConnectionMetrics);
var sendContext = new RelayEpoxySendContext(this, ConnectionMetrics, requestMetrics);
IBonded layerData = null;
ILayerStack layerStack;
Error layerError = parentTransport.GetLayerStack(requestMetrics.request_id, out layerStack);
if (layerError == null)
{
layerError = LayerStackUtils.ProcessOnSend(
layerStack,
MessageType.REQUEST,
sendContext,
out layerData,
logger);
}
if (layerError != null)
{
logger.Site().Error(
"{0} Sending request {1}/{2}.{3} failed due to layer error (Code: {4}, Message: {5}).",
this,
conversationId,
serviceName,
methodName,
layerError.error_code,
layerError.message);
return(Message.FromError(layerError));
}
var frame = MessageToFrame(conversationId, serviceName, methodName, EpoxyMessageType.REQUEST, request, layerData, logger);
logger.Site().Debug("{0} Sending request {1}/{2}.", this, conversationId, methodName);
var responseTask = responseMap.Add(conversationId, layerStack);
bool wasSent = await SendFrameAsync(frame);
logger.Site().Debug(
"{0} Sending request {1}/{2}.{3} {4}.",
this,
conversationId,
serviceName,
methodName,
wasSent ? "succeeded" : "failed");
if (!wasSent)
{
bool wasCompleted = responseMap.Complete(
conversationId,
Message.FromError(
new Error
{
error_code = (int)ErrorCode.TRANSPORT_ERROR,
message = "Request could not be sent"
}));
if (!wasCompleted)
{
logger.Site().Information(
"{0} Unsuccessfully sent request {1}/{2}.{3} still received response.",
this,
conversationId,
serviceName,
methodName);
}
}
var message = await responseTask;
Metrics.FinishRequestMetrics(requestMetrics, totalTime);
metrics.Emit(requestMetrics);
return(message);
}
