public async Task <IMessageHandle> UpdateMessageAsync(IMessageHandle handle, IMessage message)
{
var actualMessage = (SlackMessage)message;
var dao = await _slackMessageRepository.Find(handle.Id);
_log.LogInformation($"Sending message update for [{dao.Timestamp}/${dao.ChannelId}]");
var response = await UpdateWithBlocksAsync(
dao.Timestamp,
dao.ChannelId,
actualMessage.Message,
blocks : actualMessage.Blocks, as_user : true
);
if (!response.ok || !string.IsNullOrEmpty(response.error))
{
_log.LogError("Failed to send message update via Slack [{error}]", response.error);
throw new InvalidOperationException($"Failed to send message via Slack [{response.error}]");
}
_log.LogTrace(
$"Updated message via slack [{response.ts}/${response.channel}]"
);
dao.ChannelId = response.channel;
dao.Timestamp = response.ts;
dao.UpdatedDateTime = DateTimeOffset.Now;
await _slackMessageRepository.Save();
return(handle);
}
/// <summary>
/// 初始化agent
/// </summary>
/// <param name="factory"></param>
/// <param name="master">指定master server，若为空则忽略</param>
/// <param name="name">agent节点名</param>
/// <param name="description">agent节点描述</param>
/// <param name="handle"></param>
public DefaultAgent(ILoggerFactory factory
, string master
, string name
, string description
, IMessageHandle handle)
: this(factory.Create(typeof(DefaultAgent))
, master, name, description, handle)
{
this._log = factory.Create(this.GetType());
}
public void AddHandle(IMessageHandle handle)
{
if (_handles.ContainsKey(handle.Id))
{
throw new Exception(string.Format("Handle for id: {0} already defined.", handle.Id));
}
handle.SetMessageSerializer(this);
_handles.Add(handle.Id, handle);
}
public void Init()
{
operationMap = new Dictionary <OperationType, Dictionary <OperationCode, List <Action <string, OperationType, OperationCode, ByteArray> > > >();
Assembly assembly = Assembly.GetExecutingAssembly();
Type[] ts = assembly.GetTypes();
foreach (Type t in ts)
{
if (typeof(IMessageHandle).IsAssignableFrom(t) && !t.IsInterface)
{
Console.WriteLine("create IMessageHandle instance: " + t);
IMessageHandle handle = Activator.CreateInstance(t) as IMessageHandle;
handle?.Init();
Console.WriteLine(handle + " Init");
}
}
}
public async Task <IMessageHandle> UpdateDeploymentUpdateNotification(
IMessageHandle handle,
DeploymentUpdate deploymentUpdate,
DeploymentUpdateStatus status
)
{
if (handle == null)
{
throw new ArgumentNullException(nameof(handle));
}
if (deploymentUpdate == null)
{
throw new ArgumentNullException(nameof(deploymentUpdate));
}
return(await UpdateMessageAsync(
handle as SingleMessageHandle,
BuildDeploymentUpdateMessage(deploymentUpdate, status)
));
}
public async Task <InvokeRoutineResult> RunAsync(MethodInvocationData data, ICommunicatorMessage message)
{
var serviceReference = _serviceResolver.Resolve(data.Service);
var methodReference = _methodResolver.Resolve(serviceReference.Definition, data.Method);
var behaviorSettings = _communicationSettingsProvider.GetMethodSettings(methodReference.Definition);
//-------------------------------------------------------------------------------
// MESSGE DE-DUPLICATION
//-------------------------------------------------------------------------------
bool needsDeduplication = behaviorSettings.Deduplicate;
if (methodReference.Definition.IsQuery)
{
// NOTE: you can run queries using message passing (non-volatile),
// or the volatile method uses a callback instead of re-trying.
if (message.CommunicatorTraits.HasFlag(CommunicationTraits.Volatile) && data.Continuation == null)
{
needsDeduplication = false;
}
}
if (needsDeduplication &&
!message.CommunicatorTraits.HasFlag(CommunicationTraits.MessageDeduplication) &&
(message.IsRetry != false || string.IsNullOrEmpty(message.RequestId)))
{
// TODO: if has message de-dup'er, check if a dedup
// return new InvokeRoutineResult { Outcome = InvocationOutcome.Deduplicated };
}
//-------------------------------------------------------------------------------
// UNIT OF WORK
//-------------------------------------------------------------------------------
// TODO: Unit of Work - check if there is cached/stored data
if (message.IsRetry != false)
{
// TODO: If has entities in transitions and they have been already committed,
// skip method transition and re-try sending commands and events.
}
//-------------------------------------------------------------------------------
// DELEGATION TO RESILIENT COMMUNICATOR
//-------------------------------------------------------------------------------
IMessageHandle messageHandle = null;
if (behaviorSettings.Persistent && message.CommunicatorTraits.HasFlag(CommunicationTraits.Volatile))
{
// TODO: check if can poll for result! (think about continuation and sync invocation)
var preferredCommunicator = _communicatorProvider.GetCommunicator(data.Service, data.Method);
if (message.CommunicatorType != preferredCommunicator.Type &&
!preferredCommunicator.Traits.HasFlag(CommunicationTraits.Volatile))
{
var resultValueType = methodReference.Definition.MethodInfo.ReturnType;
if (resultValueType != typeof(void))
{
resultValueType = TaskAccessor.GetTaskResultType(resultValueType);
if (resultValueType == TaskAccessor.VoidTaskResultType)
{
resultValueType = typeof(void);
}
}
var preferences = new InvocationPreferences
{
LockMessage = behaviorSettings.RunInPlace &&
preferredCommunicator.Traits.HasFlag(CommunicationTraits.MessageLockOnPublish),
ResultValueType = resultValueType
};
var invocationResult = await preferredCommunicator.InvokeAsync(data, preferences);
if (invocationResult.Outcome == InvocationOutcome.Complete && !string.IsNullOrEmpty(data.IntentId))
{
_routineCompletionSink.OnRoutineCompleted(data.Service, data.Method, data.IntentId, invocationResult.Result);
}
if (invocationResult.Outcome == InvocationOutcome.Scheduled && invocationResult.MessageHandle != null)
{
// NOTE: will run synchronously below
messageHandle = invocationResult.MessageHandle;
}
else
{
return(invocationResult);
}
}
}
//-------------------------------------------------------------------------------
// RUN METHOD TRANSITION
//-------------------------------------------------------------------------------
try
{
var adapter = new TransitionCarrier(data, _valueContainerCopier, message);
var transitionDescriptor = new TransitionDescriptor {
Type = TransitionType.InvokeRoutine
};
var result = await RunRoutineAsync(adapter, transitionDescriptor, default);
if (result.Outcome == InvocationOutcome.Complete && !string.IsNullOrEmpty(data.IntentId))
{
_routineCompletionSink.OnRoutineCompleted(data.Service, data.Method, data.IntentId, result.Result);
}
if (messageHandle != null)
{
await messageHandle.Complete();
}
return(result);
}
catch
{
messageHandle?.ReleaseLock();
throw;
}
}
public async Task <ContinueRoutineResult> ContinueAsync(MethodContinuationData data, ICommunicatorMessage message)
{
var serviceReference = _serviceResolver.Resolve(data.Service);
var methodReference = _methodResolver.Resolve(serviceReference.Definition, data.Method);
var behaviorSettings = _communicationSettingsProvider.GetMethodSettings(methodReference.Definition);
//-------------------------------------------------------------------------------
// MESSGE DE-DUPLICATION
//-------------------------------------------------------------------------------
if (behaviorSettings.Deduplicate &&
!message.CommunicatorTraits.HasFlag(CommunicationTraits.MessageDeduplication) &&
(message.IsRetry != false || string.IsNullOrEmpty(message.RequestId)))
{
// TODO: if has message de-dup'er, check if a dedup
// return new InvokeRoutineResult { Outcome = InvocationOutcome.Deduplicated };
}
//-------------------------------------------------------------------------------
// UNIT OF WORK
//-------------------------------------------------------------------------------
// TODO: Unit of Work - check if there is cached/stored data
if (message.IsRetry != false)
{
// TODO: If has entities in transitions and they have been already committed,
// skip method transition and re-try sending commands and events.
}
//-------------------------------------------------------------------------------
// DELEGATION TO RESILIENT COMMUNICATOR
//-------------------------------------------------------------------------------
IMessageHandle messageHandle = null;
if (behaviorSettings.Persistent && message.CommunicatorTraits.HasFlag(CommunicationTraits.Volatile))
{
// TODO: check if can poll for result! (think about continuation and sync invocation)
var preferredCommunicator = _communicatorProvider.GetCommunicator(data.Service, data.Method);
if (message.CommunicatorType != preferredCommunicator.Type &&
!preferredCommunicator.Traits.HasFlag(CommunicationTraits.Volatile))
{
var preferences = new InvocationPreferences
{
LockMessage = behaviorSettings.RunInPlace &&
preferredCommunicator.Traits.HasFlag(CommunicationTraits.MessageLockOnPublish)
};
var invocationResult = await preferredCommunicator.ContinueAsync(data, preferences);
if (!preferences.LockMessage || invocationResult.MessageHandle == null)
{
return(new ContinueRoutineResult {
});
}
// NOTE: will run synchronously below
messageHandle = invocationResult.MessageHandle;
}
}
//-------------------------------------------------------------------------------
// RUN METHOD TRANSITION
//-------------------------------------------------------------------------------
// A communication method may not support a scheduled message delivery.
if (data.ContinueAt.HasValue && data.ContinueAt.Value > DateTimeOffset.Now)
{
var delay = data.ContinueAt.Value - DateTimeOffset.Now;
if (delay > TimeSpan.Zero)
{
await Task.Delay(delay);
}
}
try
{
@TryRun:
var adapter = new TransitionCarrier(data, message);
MethodExecutionState methodState = DecodeContinuationData(data.State);
if (methodState == null)
{
var stateStorage = _methodStateStorageProvider.GetStorage(data.Service, data.Method, returnNullIfNotFound: true);
if (stateStorage == null)
{
throw new InvalidOperationException($"Cannot resume method '{data.Service}'.{data.Method} due to absence of a persistence mechanism.");
}
// TODO: a method can be already completed or transitioned (duplicate messages?) - discard transition?
methodState = await stateStorage.ReadStateAsync(data.Service, data.Method, default);
}
adapter.SetMethodExecutionState(methodState, _valueContainerCopier);
InvokeRoutineResult result;
try
{
var transitionDescriptor = new TransitionDescriptor {
Type = TransitionType.ContinueRoutine
};
result = await RunRoutineAsync(adapter, transitionDescriptor, default);
}
catch (ConcurrentTransitionException)
{
goto TryRun;
}
if (result.Outcome == InvocationOutcome.Complete && !string.IsNullOrEmpty(data.Method.IntentId))
{
_routineCompletionSink.OnRoutineCompleted(data.Service, data.Method, data.Method.IntentId, result.Result);
}
if (messageHandle != null)
{
await messageHandle.Complete();
}
return(new ContinueRoutineResult
{
});
}
catch
{
messageHandle?.ReleaseLock();
throw;
}
}
public MailerService(ILoggerFactory loggerFactory, IMessageHandle messageHandle)
{
_logger = loggerFactory.CreateLogger <MailerService>();
_messageHandle = messageHandle;
}
/// <summary>
/// 初始化agent
/// </summary>
/// <param name="log"></param>
/// <param name="master">指定master server，若为空则忽略</param>
/// <param name="name">agent节点名</param>
/// <param name="description">agent节点描述</param>
/// <param name="handle"></param>
public DefaultAgent(ILog log
, string master
, string name
, string description
, IMessageHandle handle)
{
if (string.IsNullOrEmpty(name)
|| handle == null
|| log == null)
throw new InvalidOperationException("name|handle|log均不能为空");
this._name = name;
this._description = description;
this._master = master;
this._handle = handle;
this._log = log;
if (!string.IsNullOrEmpty(this._description)
&& this._description.Length > 100)
throw new InvalidOperationException("description不能超过100个字符");
}
public BuilderCore <TKey, TProtocol> RegistMessageHandle <TMessage>(TKey key, IMessageHandle <TKey, TProtocol, TMessage> messageHandle)
{
if (messageHandle is null)
{
throw new ArgumentNullException(nameof(messageHandle));
}
_messageMapping.Add(key, typeof(TMessage));
_messageHandle.Add(key, messageHandle);
return(this);
}
public static IDisposable Subscribe <T>(this IObservable <T> observable, IMessageHandle <T> endPoint)
{
return(observable.Subscribe(endPoint.OnMessage, endPoint.OnError, endPoint.OnCompleted));
}
public static IObservable <T> PrintHandler <T>(this IObservable <T> observable, IMessageHandle <T> messageHandle)
{
return(observable.Do(messageHandle.OnMessage, messageHandle.OnError, messageHandle.OnCompleted));
}
public async Task <InvokeRoutineResult> InvokeAsync(ExecuteRoutineIntent intent)
{
var serviceRef = _serviceResolver.Resolve(intent.Service);
var methodRef = _methodResolver.Resolve(serviceRef.Definition, intent.Method);
var behaviorSettings = _communicationSettingsProvider.GetMethodSettings(methodRef.Definition);
ICommunicator communicator = _communicatorProvider.GetCommunicator(serviceRef.Id, methodRef.Id);
bool preferToRunInPlace = behaviorSettings.RunInPlace && serviceRef.Definition.Type != ServiceType.External;
bool runInPlace = preferToRunInPlace && (!behaviorSettings.Persistent ||
communicator.Traits.HasFlag(CommunicationTraits.MessageLockOnPublish));
var invocationData = InvocationDataUtils.CreateMethodInvocationData(intent,
_transitionScope.IsActive ? _transitionScope.CurrentMonitor.Context : null);
var resultValueType = methodRef.Definition.MethodInfo.ReturnType;
if (resultValueType != typeof(void))
{
resultValueType = TaskAccessor.GetTaskResultType(resultValueType);
if (resultValueType == TaskAccessor.VoidTaskResultType)
{
resultValueType = typeof(void);
}
}
if (runInPlace)
{
IMessageHandle messageHandle = null;
if (behaviorSettings.Persistent)
{
var preferences = new InvocationPreferences
{
LockMessage = true,
ResultValueType = resultValueType
};
var invocationResult = await communicator.InvokeAsync(invocationData, preferences);
if (invocationResult.Outcome == InvocationOutcome.Complete)
{
return(invocationResult);
}
messageHandle = invocationResult.MessageHandle;
}
try
{
var result = await _localMethodRunner.RunAsync(
invocationData,
RuntimeCommunicatorMessage.Instance);
if (messageHandle != null)
{
await messageHandle.Complete();
}
return(result);
}
catch (Exception ex) // TODO: infra exceptions? should not be there, right?
{
if (messageHandle != null)
{
messageHandle.ReleaseLock();
}
return(new InvokeRoutineResult
{
Outcome = InvocationOutcome.Scheduled,
MessageHandle = messageHandle
});
}
}
else
{
var preferences = new InvocationPreferences
{
// TODO: check this option
//LockMessage = behaviorSettings.Resilient && communicator.Traits.HasFlag(CommunicationTraits.MessageLockOnPublish),
Synchronous = communicator.Traits.HasFlag(CommunicationTraits.SyncReplies),
ResultValueType = resultValueType
};
return(await communicator.InvokeAsync(invocationData, preferences));
}
}
