protected void Send(TransmissionState state, Result result, TResponse baseResponse = null)
{
result = result ?? Result.Success;
try
{
string data;
var serialize = Result.Success;
SocketResponsePackage <TResponse, TResponseTypes> response;
// TODO: Consider other options.
if (result.Any(i => i.Level >= ResultIssueLevels.Fatal))
{
ErrorOut(result);
}
if (IsFailed ||
(response = PackResponse(result, baseResponse)) == null ||
!(serialize += PayloadSerializer.Serialize(response, out data)) ||
!state.Send(data))
{
Send(state, result + serialize);
}
}
catch (Exception e)
{
ErrorOut(result + Result.Error(e));
}
}
/// <summary>
/// This method marshals the RepositoryHolder and transmits it to the remote Microservice.
/// </summary>
/// <typeparam Name="KT">The key type.</typeparam>
/// <typeparam Name="ET">The entity type.</typeparam>
/// <param name="actionType">The action type.</param>
/// <param name="rq">The repository holder request.</param>
/// <param name="routing"></param>
/// <returns>Returns an async task that will be signalled when the request completes or times out.</returns>
protected override async Task <RepositoryHolder <KT, ET> > TransmitInternal <KT, ET>(string actionType, RepositoryHolder <KT, ET> rq, ProcessOptions?routing = null)
{
StatisticsInternal.ActiveIncrement();
var payloadRq = TransmissionPayload.Create();
bool processAsync = rq.Settings?.ProcessAsync ?? false;
payloadRq.Options = ProcessOptions.RouteInternal;
var message = payloadRq.Message;
payloadRq.MaxProcessingTime = rq.Settings?.WaitTime ?? mDefaultRequestTimespan;
payloadRq.MessageObject = rq;
message.ChannelId = ChannelId;
message.ChannelPriority = processAsync ? 0:-1;
message.MessageType = mMessageType;
message.ActionType = actionType;
message.ResponseChannelId = mResponseChannel;
message.ResponseChannelPriority = -1; //Always internal
message.Blob = PayloadSerializer.PayloadSerialize(rq);
return(await TransmitAsync(payloadRq, ProcessResponse <KT, ET>, processAsync : processAsync));
}
/// <summary>
/// This method marshals the RepositoryHolder and transmits it to the remote Microservice.
/// </summary>
/// <typeparam Name="KT">The key type.</typeparam>
/// <typeparam Name="ET">The entity type.</typeparam>
/// <param name="actionType">The action type.</param>
/// <param name="rq">The repository holder request.</param>
/// <param name="routing"></param>
/// <returns>Returns an async task that will be signalled when the request completes or times out.</returns>
protected override async Task <RepositoryHolder <KT, ET> > TransmitInternal <KT, ET>(string actionType, RepositoryHolder <KT, ET> rq, ProcessOptions?routing = null, IPrincipal principal = null)
{
StatisticsInternal.ActiveIncrement();
var payloadRq = TransmissionPayload.Create(mPolicy.TransmissionPayloadTraceEnabled);
// Set the originator key to the correlation id if passed through the rq settings
if (!string.IsNullOrEmpty(rq.Settings?.CorrelationId))
{
payloadRq.Message.ProcessCorrelationKey = rq.Settings.CorrelationId;
}
bool processAsync = rq.Settings?.ProcessAsync ?? false;
payloadRq.Options = ProcessOptions.RouteInternal;
var message = payloadRq.Message;
payloadRq.MaxProcessingTime = rq.Settings?.WaitTime ?? mDefaultRequestTimespan;
payloadRq.MessageObject = rq;
message.ChannelId = ChannelId;
message.ChannelPriority = processAsync ? 0:-1;
message.MessageType = mMessageType;
message.ActionType = actionType;
message.ResponseChannelId = mResponseChannel;
message.ResponseChannelPriority = -1; //Always internal
message.Blob = PayloadSerializer.PayloadSerialize(rq);
return(await OutgoingRequestOut(payloadRq, ProcessResponse <KT, ET>, processAsync : processAsync));
}
/// <summary>
/// This method is the default method used to process the returning message response.
/// </summary>
/// <typeparam name="RS">The response type.</typeparam>
/// <param name="rType"></param>
/// <param name="payloadRs">The incoming response payload.</param>
/// <param name="processAsync"></param>
/// <returns>Returns the response wrapper generic object.</returns>
protected virtual ResponseWrapper <RS> ProcessOutgoingResponse <RS>(TaskStatus rType, TransmissionPayload payloadRs, bool processAsync)
{
StatisticsInternal.ActiveDecrement(payloadRs?.Extent ?? TimeSpan.Zero);
if (processAsync)
{
return(new ResponseWrapper <RS>(responseCode: 202, responseMessage: "Accepted"));
}
try
{
payloadRs?.CompleteSet();
switch (rType)
{
case TaskStatus.RanToCompletion:
try
{
//payload.Message.
var response = new ResponseWrapper <RS>(payloadRs);
if (payloadRs.Message.Blob.HasObject)
{
response.Response = (RS)payloadRs.Message.Blob.Object;
}
else if (payloadRs.Message.Blob != null)
{
response.Response = PayloadSerializer.PayloadDeserialize <RS>(payloadRs);
}
return(response);
}
catch (Exception ex)
{
StatisticsInternal.ErrorIncrement();
return(new ResponseWrapper <RS>(500, ex.Message));
}
case TaskStatus.Canceled:
StatisticsInternal.ErrorIncrement();
return(new ResponseWrapper <RS>(408, "Time out"));
case TaskStatus.Faulted:
StatisticsInternal.ErrorIncrement();
return(new ResponseWrapper <RS>((int)PersistenceResponse.GatewayTimeout504, "Response timeout."));
default:
StatisticsInternal.ErrorIncrement();
return(new ResponseWrapper <RS>(500, rType.ToString()));
}
}
catch (Exception ex)
{
Collector?.LogException("Error processing response for task status " + rType, ex);
throw;
}
}
/// <summary>
/// This method is used to process the returning message response.
/// </summary>
/// <typeparam name="KT"></typeparam>
/// <typeparam name="ET"></typeparam>
/// <param name="rType"></param>
/// <param name="payload"></param>
/// <param name="processAsync"></param>
/// <returns></returns>
protected virtual RepositoryHolder <KT, ET> ProcessResponse <KT, ET>(TaskStatus rType, TransmissionPayload payload, bool processAsync)
{
StatisticsInternal.ActiveDecrement(payload != null ? payload.Extent : TimeSpan.Zero);
if (processAsync)
{
return(new RepositoryHolder <KT, ET>(responseCode: 202, responseMessage: "Accepted"));
}
try
{
switch (rType)
{
case TaskStatus.RanToCompletion:
if (payload.MessageObject != null)
{
return(payload.MessageObject as RepositoryHolder <KT, ET>);
}
if (payload.Message.Blob == null)
{
return(new RepositoryHolder <KT, ET>(responseCode: 500, responseMessage: "Unexpected response (no payload)"));
}
try
{
var response = PayloadSerializer.PayloadDeserialize <RepositoryHolder <KT, ET> >(payload);
return(response);
}
catch (Exception ex)
{
StatisticsInternal.ErrorIncrement();
return(new RepositoryHolder <KT, ET>(responseCode: 500, responseMessage: ex.Message));
}
case TaskStatus.Canceled:
StatisticsInternal.ErrorIncrement();
return(new RepositoryHolder <KT, ET>(responseCode: 408, responseMessage: "Time out"));
case TaskStatus.Faulted:
StatisticsInternal.ErrorIncrement();
return(new RepositoryHolder <KT, ET>()
{
ResponseCode = (int)PersistenceResponse.GatewayTimeout504, ResponseMessage = "Response timeout."
});
default:
StatisticsInternal.ErrorIncrement();
return(new RepositoryHolder <KT, ET>(responseCode: 500, responseMessage: rType.ToString()));
}
}
catch (Exception ex)
{
Logger.LogException("Error processing response for task status " + rType, ex);
throw;
}
}
private void ActionSync(TransmissionPayload incoming, List <TransmissionPayload> outgoing)
{
var blahIn = PayloadSerializer.PayloadDeserialize <Blah>(incoming);
var rs = incoming.ToResponse();
rs.Message.Blob = PayloadSerializer.PayloadSerialize(blahIn.Message);
rs.Message.Status = "204";
rs.Message.StatusDescription = "Hello";
outgoing.Add(rs);
}
public async Task HandlePublishEvent(RedisChannel channel,
RedisValue value)
{
try
{
await HandlePublishedMetricsAsync(PayloadSerializer.GetObject(value));
}
catch (Exception e)
{
}
}
public string GetMessageText(Message message)
{
StringBuilder sb = new StringBuilder();
using (TextWriter writer = new StringWriter(sb))
{
PayloadSerializer.Serialize(writer, message);
writer.Flush();;
}
return(sb.ToString());
}
private async Task ActionAsync(TransmissionPayload incoming, List <TransmissionPayload> outgoing)
{
var blahIn = PayloadSerializer.PayloadDeserialize <Blah>(incoming);
var rs = incoming.ToResponse();
rs.Message.Blob.SetObject("Freaky");
rs.Message.Status = "204";
rs.Message.StatusDescription = "Hello";
outgoing.Add(rs);
//return Task.FromResult(0);
}
/// <summary>
/// Initializes the service relationships.
/// </summary>
protected virtual void Initialise()
{
PayloadSerializer.Start();
ResourceTracker.Start();
Scheduler.Collector = Collector;
Scheduler.Start();
ResourceTracker.Collector = Collector;
ResourceTracker.SharedServices = SharedService;
ResourceTracker.Start();
}
/// <summary>
/// This is the default client create logic.
/// </summary>
/// <param name="partition"></param>
/// <returns>
/// Returns the client.
/// </returns>
protected override UdpClientHolder ClientCreate(SenderPartitionConfig partition)
{
var client = base.ClientCreate(partition);
client.ContentType = ContentType;
client.ContentEncoding = ContentEncoding;
client.Start = () =>
{
client.Client = client.ClientCreate();
client.IsActive = true;
};
client.ClientCreate = () =>
{
var c = new UdpHelper(Config, UdpHelperMode.Sender);
c.Start();
return(c);
};
client.ClientClose = () => client.Client.Stop();
client.MessagePack = (p) =>
{
var holder = p.Message.Blob;
if (holder.ContentType == null)
{
holder.ContentType = ContentType;
}
if (holder.ContentEncoding == null)
{
holder.ContentEncoding = ContentEncoding;
}
if (!PayloadSerializer.TryPayloadSerialize(holder))
{
throw new ArgumentException("Cannot serialize.");
}
if (holder.Blob.Length > UdpMessageMaximumPayloadSize)
{
//throw new
}
return(holder);
};
return(client);
}
/// <summary>
/// This method is called when an entity of the cache type is updated or deleted.
/// </summary>
/// <param name="rq">The request.</param>
/// <param name="rs">The response.</param>
/// <returns></returns>
protected virtual async Task EntityChangeNotification(TransmissionPayload rq, List <TransmissionPayload> rs)
{
try
{
EntityChangeReference <K> entityChangeReference = PayloadSerializer.PayloadDeserialize <EntityChangeReference <K> >(rq);
var key = entityChangeReference.Key;
Remove(key);
}
catch (Exception ex)
{
Collector?.LogException("Unable to retrieve the entity change reference", ex);
}
}
private async Task ActionAsync(TransmissionPayload incoming, List <TransmissionPayload> outgoing)
{
var blahIn = PayloadSerializer.PayloadDeserialize <Blah>(incoming);
var rs = incoming.ToResponse();
rs.Message.Blob = PayloadSerializer.PayloadSerialize(new Blah {
ContentId = blahIn.ContentId, Message = "Howdy"
});
rs.MessageObject = "Freaky";
rs.Message.Status = "204";
rs.Message.StatusDescription = "Hello";
outgoing.Add(rs);
}
/// <summary>
///
/// </summary>
/// <typeparam name="CM"></typeparam>
/// <typeparam name="PM"></typeparam>
/// <param name="action"></param>
/// <param name="exceptionAction"></param>
protected void CommandRegister <CM, PM>(
Func <PM, TransmissionPayload, List <TransmissionPayload>, Task> action,
Func <Exception, TransmissionPayload, List <TransmissionPayload>, Task> exceptionAction = null)
where CM : IMessageContract
{
Func <TransmissionPayload, List <TransmissionPayload>, Task> actionReduced = async(m, l) =>
{
PM payload = PayloadSerializer.PayloadDeserialize <PM>(m);
await action(payload, m, l);
};
CommandRegister <CM>(actionReduced, exceptionAction);
}
/// <summary>
/// This method marshals the RepositoryHolder and transmits it to the remote Microservice.
/// </summary>
/// <typeparam Name="KT">The key type.</typeparam>
/// <typeparam Name="ET">The entity type.</typeparam>
/// <param Name="actionType">The action type.</param>
/// <param Name="rq">The repository holder request.</param>
/// <returns>Returns an async task that will be signalled when the request completes or times out.</returns>
protected override async Task <RepositoryHolder <KT, ET> > TransmitInternal <KT, ET>(
string actionType, RepositoryHolder <KT, ET> rq, ProcessOptions?routing = null, IPrincipal principal = null)
{
try
{
StatisticsInternal.ActiveIncrement();
var payload = TransmissionPayload.Create(Policy.TransmissionPayloadTraceEnabled);
payload.SecurityPrincipal = TransmissionPayload.ConvertToClaimsPrincipal(principal ?? Thread.CurrentPrincipal);
// Set the process correlation key to the correlation id if passed through the rq settings
if (!string.IsNullOrEmpty(rq.Settings?.CorrelationId))
{
payload.Message.ProcessCorrelationKey = rq.Settings.CorrelationId;
}
bool processAsync = rq.Settings?.ProcessAsync ?? false;
payload.Message.ChannelPriority = processAsync ? 0 : 1;
payload.Options = routing ?? RoutingDefault ?? ProcessOptions.RouteExternal;
payload.Message.Blob = PayloadSerializer.PayloadSerialize(rq);
payload.Message.ResponseChannelId = ResponseChannelId;
payload.Message.ResponseChannelId = ResponseId.Header.ChannelId;
payload.Message.ResponseMessageType = ResponseId.Header.MessageType;
payload.Message.ResponseActionType = ResponseId.Header.ActionType;
payload.Message.ResponseChannelPriority = payload.Message.ChannelPriority;
payload.Message.ChannelId = ChannelId;
payload.Message.MessageType = EntityType;
payload.Message.ActionType = actionType;
payload.MaxProcessingTime = rq.Settings?.WaitTime ?? mDefaultRequestTimespan;
return(await OutgoingRequestOut(payload, ProcessResponse <KT, ET>, processAsync));
}
catch (Exception ex)
{
string key = rq != null && rq.Key != null?rq.Key.ToString() : string.Empty;
Collector?.LogException($"Error transmitting {actionType}-{key} internally", ex);
throw;
}
}
/// <summary>
/// This method marshals the RepositoryHolder and transmits it to the remote Microservice.
/// </summary>
/// <typeparam Name="KT">The key type.</typeparam>
/// <typeparam Name="ET">The entity type.</typeparam>
/// <param Name="actionType">The action type.</param>
/// <param Name="rq">The repository holder request.</param>
/// <returns>Returns an async task that will be signalled when the request completes or times out.</returns>
protected override async Task <RepositoryHolder <KT, ET> > TransmitInternal <KT, ET>(string actionType, RepositoryHolder <KT, ET> rq, ProcessOptions?routing = null)
{
try
{
StatisticsInternal.ActiveIncrement();
var payload = TransmissionPayload.Create();
// Set the originator key to the correlation id if passed through the rq settings
if (rq.Settings != null && !string.IsNullOrEmpty(rq.Settings.CorrelationId))
{
payload.Message.OriginatorKey = rq.Settings.CorrelationId;
}
bool processAsync = rq.Settings == null ? false : rq.Settings.ProcessAsync;
payload.Message.ChannelPriority = processAsync ? 0 : 1;
payload.Options = routing ?? RoutingDefault ?? ProcessOptions.RouteExternal;
payload.Message.Blob = PayloadSerializer.PayloadSerialize(rq);
payload.Message.ResponseChannelId = ResponseChannelId;
payload.Message.ResponseChannelPriority = payload.Message.ChannelPriority;
payload.Message.ChannelId = ChannelId;
payload.Message.MessageType = EntityType;
payload.Message.ActionType = actionType;
payload.MaxProcessingTime = rq.Settings?.WaitTime ?? mDefaultRequestTimespan;
return(await TransmitAsync(payload, ProcessResponse <KT, ET>, processAsync));
}
catch (Exception ex)
{
string key = rq != null && rq.Key != null?rq.Key.ToString() : string.Empty;
Logger.LogException(string.Format("Error transmitting {0}-{1} internally", actionType, key), ex);
throw;
}
}
/// <summary>
/// This override sets the default processing time to the client for incoming messages.
/// </summary>
/// <param name="partition">The current partition.</param>
/// <returns>
/// Returns the new client.
/// </returns>
protected override UdpClientHolder ClientCreate(ListenerPartitionConfig partition)
{
var client = base.ClientCreate(partition);
client.ContentType = ContentType;
client.ContentEncoding = ContentEncoding;
client.ClientCreate = () =>
{
var c = new UdpHelper(Config, UdpHelperMode.Listener);
c.Start();
return(c);
};
client.ClientClose = () => client.Client.Stop();
client.MessageUnpack = (holder) =>
{
if (!PayloadSerializer.TryPayloadDeserialize(holder))
{
holder.SetObject(new UdpHelper.Message {
Buffer = holder.Blob, RemoteEndPoint = (IPEndPoint)holder.Metadata
});
}
var sMessage = new ServiceMessage((client.MappingChannelId ?? client.ChannelId, RequestAddress), ResponseAddress);
if (ResponseAddress != null)
{
sMessage.ResponseChannelPriority = ResponseAddressPriority;
}
sMessage.ChannelPriority = RequestAddressPriority ?? client.Priority;
sMessage.Blob = holder;
return(sMessage);
};
return(client);
}
public void Init()
{
_sut = new PayloadSerializer();
}
/// <summary>
/// This method is used to send requests to the remote command.
/// </summary>
/// <typeparam name="RQ">The request type.</typeparam>
/// <typeparam name="RS">The response type.</typeparam>
/// <param name="channelId">The header routing information.</param>
/// <param name="messageType">The header routing information.</param>
/// <param name="actionType">The header routing information.</param>
/// <param name="rq">The request object.</param>
/// <param name="rqSettings">The request settings. Use this to specifically set the timeout parameters.</param>
/// <param name="routingOptions">The routing options by default this will try internal and then external.</param>
/// <param name="processResponse"></param>
/// <param name="fallbackMaxProcessingTime">This is the fallback max processing time used if the timeout
/// is not set in the request settings.
/// If this is also null, the max time out will fall back to the policy settings.</param>
/// <param name="principal">This is the principal that you wish the command to be executed under.
/// By default this is taken from the calling thread if not passed.</param>
/// <returns>Returns the async response wrapper.</returns>
protected internal virtual async Task <ResponseWrapper <RS> > ProcessOutgoing <RQ, RS>(
string channelId, string messageType, string actionType
, RQ rq
, RequestSettings rqSettings = null
, ProcessOptions?routingOptions = null
, Func <TaskStatus, TransmissionPayload, bool, ResponseWrapper <RS> > processResponse = null
, TimeSpan?fallbackMaxProcessingTime = null
, IPrincipal principal = null
)
{
if (!Policy.OutgoingRequestsEnabled)
{
throw new OutgoingRequestsNotEnabledException();
}
TransmissionPayload payload = null;
try
{
StatisticsInternal.ActiveIncrement();
payload = TransmissionPayload.Create(Policy.TransmissionPayloadTraceEnabled);
payload.SecurityPrincipal = TransmissionPayload.ConvertToClaimsPrincipal(principal ?? Thread.CurrentPrincipal);
// Set the process correlation key to the correlation id, if passed through the rq settings
if (!string.IsNullOrEmpty(rqSettings?.CorrelationId))
{
payload.Message.ProcessCorrelationKey = rqSettings.CorrelationId;
}
bool processAsync = rqSettings?.ProcessAsync ?? false;
payload.Options = routingOptions ?? ProcessOptions.RouteExternal | ProcessOptions.RouteInternal;
//Set the destination message
payload.Message.ChannelId = channelId ?? ChannelId;
payload.Message.MessageType = messageType;
payload.Message.ActionType = actionType;
payload.Message.ChannelPriority = processAsync ? 0 : 1;
//Set the response path
payload.Message.ResponseChannelId = ResponseId.Header.ChannelId;
payload.Message.ResponseMessageType = ResponseId.Header.MessageType;
payload.Message.ResponseActionType = ResponseId.Header.ActionType;
payload.Message.ResponseChannelPriority = payload.Message.ChannelPriority;
//Set the payload
payload.Message.Blob = PayloadSerializer.PayloadSerialize(rq);
//Set the processing time
payload.MaxProcessingTime = rqSettings?.WaitTime ?? fallbackMaxProcessingTime ?? Policy.OutgoingRequestMaxProcessingTimeDefault;
//Transmit
return(await OutgoingRequestOut(payload, processResponse ?? ProcessOutgoingResponse <RS>, processAsync));
}
catch (Exception ex)
{
string key = payload?.Id.ToString() ?? string.Empty;
Collector?.LogException(string.Format("Error transmitting {0}-{1} internally", actionType, key), ex);
throw;
}
}
/// <summary>
/// This method registers the specific persistence handler.
/// </summary>
/// <typeparam Name="KT">The key type.</typeparam>
/// <typeparam Name="ET">The entity type.</typeparam>
/// <param name="actionType">The action type identifier</param>
/// <param name="action">The action to process the command.</param>
/// <param name="logEventOnSuccess"></param>
/// <param name="preaction"></param>
/// <param name="postaction"></param>
/// <param name="timeoutcorrect"></param>
/// <param name="retryOnTimeout"></param>
/// <param name="channelId"></param>
/// <param name="entityType"></param>
protected virtual void PersistenceCommandRegister <KT, ET>(string actionType
, Func <PersistenceRequestHolder <KT, ET>, Task> action
, bool logEventOnSuccess = false
, Func <PersistenceRequestHolder <KT, ET>, Task <bool> > preaction = null
, Func <PersistenceRequestHolder <KT, ET>, Task> postaction = null
, Func <PersistenceRequestHolder <KT, ET>, Task <bool> > timeoutcorrect = null
, int?retryOnTimeout = null
, string channelId = null
, string entityType = null
)
{
Func <TransmissionPayload, List <TransmissionPayload>, Task> actionPayload = async(incoming, outgoing) =>
{
var profileHolder = ProfileStart <KT, ET>(incoming, outgoing);
try
{
var rsMessage = incoming.Message.ToResponse();
rsMessage.ChannelId = incoming.Message.ResponseChannelId;
rsMessage.ChannelPriority = incoming.Message.ResponseChannelPriority;
rsMessage.MessageType = incoming.Message.MessageType;
rsMessage.ActionType = "";
var rsPayload = new TransmissionPayload(rsMessage);
bool hasTimedOut = false;
try
{
RepositoryHolder <KT, ET> rqTemp = incoming.MessageObject as RepositoryHolder <KT, ET>;
//Deserialize the incoming payloadRq request
if (rqTemp == null)
{
rqTemp = PayloadSerializer.PayloadDeserialize <RepositoryHolder <KT, ET> >(incoming);
}
profileHolder.Rq = new PersistenceRepositoryHolder <KT, ET>(rqTemp);
if (profileHolder.Rq.Timeout == null)
{
profileHolder.Rq.Timeout = TimeSpan.FromSeconds(10);
}
bool preactionFailed = false;
try
{
bool retryExceeded = false;
do
{
int attempt = Environment.TickCount;
//Create the payloadRs holder, and discard any previous version.
profileHolder.Rs = new PersistenceRepositoryHolder <KT, ET>();
if (preaction != null && !(await preaction(profileHolder)))
{
preactionFailed = true;
break;
}
//Call the specific command to process the action, i.e Create, Read, Update, Delete ... etc.
await action(profileHolder);
//Flag if the request times out at any point.
//This may be required later when checking whether the action was actually successful.
hasTimedOut |= profileHolder.Rs.IsTimeout;
//OK, if this is not a time out then it is successful
if (!profileHolder.Rs.IsTimeout && !profileHolder.Rs.ShouldRetry)
{
break;
}
ProfileRetry(profileHolder, attempt);
if (profileHolder.Rs.IsTimeout)
{
Logger.LogMessage(LoggingLevel.Warning, $"Timeout occured for {EntityType} {actionType} for request:{profileHolder.Rq} with response:{profileHolder.Rs}", "DBTimeout");
}
profileHolder.Rq.IsRetry = true;
//These should not be counted against the limit.
if (!profileHolder.Rs.ShouldRetry)
{
profileHolder.Rq.Retry++;
}
profileHolder.Rq.IsTimeout = false;
retryExceeded = incoming.Cancel.IsCancellationRequested ||
profileHolder.Rq.Retry > mPolicy.PersistenceRetryPolicy.GetMaximumRetries(incoming);
}while (!retryExceeded);
//Signal to the underlying comms channel that the message has been processed successfully.
incoming.Signal(!retryExceeded);
// If we have exceeded the retry limit then Log error
if (retryExceeded)
{
Log(actionType
, profileHolder
, LoggingLevel.Error
, $"Retry limit has been exceeded (cancelled ({incoming.Cancel.IsCancellationRequested})) for {EntityType} {actionType} for {profileHolder.Rq} after {incoming.Message?.FabricDeliveryCount} delivery attempts"
, "DBRetry");
profileHolder.result = ResourceRequestResult.RetryExceeded;
}
}
catch (Exception ex)
{
LogException(actionType, profileHolder, ex);
incoming.SignalFail();
profileHolder.result = ResourceRequestResult.Exception;
}
bool logEventSource = !preactionFailed && logEventOnSuccess && profileHolder.Rs.IsSuccess;
if (!profileHolder.Rs.IsSuccess && hasTimedOut && timeoutcorrect != null && profileHolder.result != ResourceRequestResult.Exception)
{
if (await timeoutcorrect(profileHolder))
{
logEventSource = true;
Logger.LogMessage(LoggingLevel.Info
, string.Format("Recovered timeout sucessfully for {0}-{1} for request:{2} - response:{3}", EntityType, actionType, profileHolder.Rq, profileHolder.Rs)
, "DBTimeout");
}
else
{
Logger.LogMessage(LoggingLevel.Error
, string.Format("Not recovered timeout for {0}-{1} for request:{2} - response:{3}", EntityType, actionType, profileHolder.Rq, profileHolder.Rs)
, "DBTimeout");
}
}
if (logEventSource && profileHolder.Rs.ShouldLogEventSource)
{
await LogEventSource(actionType, profileHolder);
}
if (!preactionFailed && postaction != null)
{
await postaction(profileHolder);
}
//Serialize the payloadRs
var reposHolder = profileHolder.Rs.ToRepositoryHolder();
rsPayload.MessageObject = reposHolder;
rsPayload.Message.Blob = PayloadSerializer.PayloadSerialize(reposHolder);
rsPayload.Message.Status = "200";
if (!profileHolder.result.HasValue)
{
profileHolder.result = ResourceRequestResult.Success;
}
}
catch (Exception ex)
{
incoming.SignalFail();
rsPayload.Message.Status = "500";
rsPayload.Message.StatusDescription = ex.Message;
Logger.LogException($"Error processing message (was cancelled({incoming.Cancel.IsCancellationRequested}))-{EntityType}-{actionType}-{profileHolder.Rq}", ex);
profileHolder.result = ResourceRequestResult.Exception;
}
// check whether we need to send a response message. If this is async and AsyncResponse is not set to true,
// then by default we do not send a response message to cut down on unnecessary traffic.
if (profileHolder.Rq == null || profileHolder.Rq.Settings == null || !profileHolder.Rq.Settings.ProcessAsync)
{
outgoing.Add(rsPayload);
}
}
finally
{
ProfileEnd(profileHolder);
}
};
if (channelId == null)
{
channelId = ChannelId ?? string.Empty;
}
if (entityType == null)
{
entityType = EntityType;
}
CommandRegister(
channelId.ToLowerInvariant()
, entityType.ToLowerInvariant()
, actionType.ToLowerInvariant()
, actionPayload);
}
protected virtual Result BuildRequest(string message, out TRequest request)
{
return(PayloadSerializer.Deserialize(message, out request));
}
