private void PublishMessageAsync(ProcessingCommand processingCommand, IApplicationMessage message, int retryTimes)
{
var command = processingCommand.Message;
_ioHelper.TryAsyncActionRecursively("PublishApplicationMessageAsync",
() => _applicationMessagePublisher.PublishAsync(message),
currentRetryTimes => PublishMessageAsync(processingCommand, message, currentRetryTimes),
result =>
{
CompleteCommand(processingCommand, CommandStatus.Success, message.GetType().FullName, _jsonSerializer.Serialize(message));
},
() => string.Format("[application message:[id:{0},type:{1}],command:[id:{2},type:{3}]]", message.Id, message.GetType().Name, command.Id, command.GetType().Name),
errorMessage =>
{
_logger.Fatal(string.Format("Publish application message has unknown exception, the code should not be run to here, errorMessage: {0}", errorMessage));
},
retryTimes, true);
}
private Task PublishMessageAsync(ProcessingCommand processingCommand, IApplicationMessage message, int retryTimes, TaskCompletionSource <bool> taskSource)
{
var command = processingCommand.Message;
_ioHelper.TryAsyncActionRecursivelyWithoutResult("PublishApplicationMessageAsync",
() => _applicationMessagePublisher.PublishAsync(message),
currentRetryTimes => PublishMessageAsync(processingCommand, message, currentRetryTimes, taskSource),
async() =>
{
await CompleteCommand(processingCommand, CommandStatus.Success, message.GetType().FullName, _jsonSerializer.Serialize(message)).ConfigureAwait(false);
taskSource.SetResult(true);
},
() => string.Format("[application message:[id:{0},type:{1}],command:[id:{2},type:{3}]]", message.Id, message.GetType().Name, command.Id, command.GetType().Name),
null,
retryTimes, true);
return(taskSource.Task);
}
private void PublishMessageAsync(ProcessingCommand processingCommand, IApplicationMessage message, int retryTimes)
{
var command = processingCommand.Message;
_ioHelper.TryAsyncActionRecursively <AsyncTaskResult>("PublishApplicationMessageAsync",
() => _messagePublisher.PublishAsync(message),
currentRetryTimes => PublishMessageAsync(processingCommand, message, currentRetryTimes),
result =>
{
NotifyCommandExecuted(processingCommand, CommandStatus.Success, null, null);
},
() => string.Format("[application message:[id:{0},type:{1}],command:[id:{2},type:{3}]]", message.Id, message.GetType().Name, command.Id, command.GetType().Name),
() => NotifyCommandExecuted(processingCommand, CommandStatus.Failed, null, "Publish application message async failed."),
retryTimes);
}
async Task PublishApplicationMessageAsync(ProcessingCommand processingCommand, IApplicationMessage applicationMessage)
{
var result = await Policy
.Handle <Exception>()
.OrResult <AsyncExecutedResult>(r => !r.Succeeded)
.WaitAndRetryForeverAsync(
retryAttempt => TimeSpan.FromSeconds(Math.Pow(2, retryAttempt)),
(delegateResult, retryCount, retryAttempt) => logger.LogError(delegateResult.Exception ?? delegateResult.Result.Exception, $"命令产生的应用消息发布失败，重试。 [CommandType = {processingCommand.Command.GetType()}, CommandId = {processingCommand.Command.Id}, ApplicationMessageType = {applicationMessage.GetType()}, ApplicationMessageId = {applicationMessage.Id}, ApplicationMessageRoutingKey = {applicationMessage.GetRoutingKey()}, RetryCount = {retryCount}, RetryAttempt = {retryAttempt}]"))
.ExecuteAsync(() => applicationMessagePublisher.PublishAsync(applicationMessage));
if (result.Succeeded)
{
logger.LogDebug($"命令产生的应用消息发布成功。 [CommandType = {processingCommand.Command.GetType()}, CommandId = {processingCommand.Command.Id}, ApplicationMessageType = {applicationMessage.GetType()}, ApplicationMessageId = {applicationMessage.Id}, ApplicationMessageRoutingKey = {applicationMessage.GetRoutingKey()}]");
await processingCommand.OnQueueProcessedAsync(CommandExecutedStatus.Succeeded, objectSerializer.Serialize(applicationMessage), applicationMessage.GetTag());
}
else
{
logger.LogDebug(result.Exception, $"命令产生的应用消息发布失败。 [CommandType = {processingCommand.Command.GetType()}, CommandId = {processingCommand.Command.Id}, ApplicationMessageType = {applicationMessage.GetType()}, ApplicationMessageId = {applicationMessage.Id}, ApplicationMessageRoutingKey = {applicationMessage.GetRoutingKey()}]");
}
}