internal static IPullConsumer DefaultConsumer(string subject, string group, ConsumeMode mode, string appCode, string metaServer, TagType tagType, string[] tags)
{
if (string.IsNullOrEmpty(subject))
{
throw new ArgumentException("subject不能为空");
}
if (string.IsNullOrEmpty(group))
{
throw new ArgumentException("group不能为空");
}
lock (CacheGuard)
{
var key = BuildConsumerKey(subject, group);
if (ConsumerCache.TryGetValue(key, out var consumer))
{
if (consumer.ConsumeMode == mode)
{
return(consumer);
}
else
{
throw new ArgumentException($"已经以{consumer.ConsumeMode}模式创建了消费者，不允许同一消费族使用两种不同的模式消费同一主题");
}
}
else
{
var newConsumer = new DefaultPullConsumer(subject, group, mode, false, appCode, metaServer, tagType, tags);
ConsumerCache.Add(key, newConsumer);
return(newConsumer);
}
}
}
public Task <string> BasicConsume(ConsumeMode mode, Func <MessageDelivery, Task> consumer,
string queue, string consumerTag, bool withoutAcks, bool exclusive,
IDictionary <string, object> arguments, bool waitConfirmation)
{
EnsureOpen();
if (consumer == null)
{
throw new ArgumentNullException("consumer");
}
if (!waitConfirmation && string.IsNullOrEmpty(consumerTag))
{
throw new ArgumentException("You must specify a consumer tag if waitConfirmation = false");
}
if (!string.IsNullOrEmpty(consumerTag))
{
RegisterConsumer(mode, consumer, consumerTag);
}
return(_io.__BasicConsume(mode, queue, consumerTag, withoutAcks, exclusive, arguments, waitConfirmation,
consumerTag2 =>
{
RegisterConsumer(mode, consumer, consumerTag2);
}));
}
public QueueConsumerRecovery(ConsumeMode mode, IQueueConsumer consumer,
string queue, string consumerTag2, bool withoutAcks, bool exclusive,
IDictionary <string, object> arguments)
: this(mode, queue, consumerTag2, withoutAcks, exclusive, arguments)
{
_consumer2 = consumer;
}
public Task <string> BasicConsume(ConsumeMode mode, Func <MessageDelivery, Task> consumer,
string queue, string consumerTag, bool withoutAcks, bool exclusive,
IDictionary <string, object> arguments, bool waitConfirmation)
{
if (consumer == null)
{
throw new ArgumentNullException("consumer");
}
if (!waitConfirmation && string.IsNullOrEmpty(consumerTag))
{
throw new ArgumentException("You must specify a consumer tag if waitConfirmation = false");
}
if (!string.IsNullOrEmpty(consumerTag))
{
_consumerSubscriptions[consumerTag] = new BasicConsumerSubscriptionInfo
{
Mode = mode,
Callback = consumer
};
}
return(_io.__BasicConsume(mode, queue, consumerTag, withoutAcks, exclusive, arguments, waitConfirmation,
consumerTag2 =>
{
_consumerSubscriptions[consumerTag2] = new BasicConsumerSubscriptionInfo
{
Mode = mode,
Callback = consumer
};
}));
}
public static IPullConsumer BroadcastConsumer(string subject, ConsumeMode mode, string appCode, string metaServer)
{
if (string.IsNullOrEmpty(subject))
{
throw new ArgumentException("subject不能为空");
}
lock (CacheGuard)
{
var key = BuildConsumerKey(subject, "");
if (ConsumerCache.TryGetValue(key, out var consumer))
{
if (consumer.ConsumeMode == mode)
{
return(consumer);
}
else
{
throw new ArgumentException($"已经以{consumer.ConsumeMode}模式创建了消费者，不允许同一消费族使用两种不同的模式消费同一主题");
}
}
else
{
var newConsumer = new DefaultPullConsumer(subject, "", mode, true, appCode, metaServer, TagType.OR, null);
ConsumerCache.Add(key, newConsumer);
return(newConsumer);
}
}
}
public ExtraListenerConfig(ConsumeMode mode, int pullBatchSize, TimeSpan pullBatchTimeout, TagType tagType, string[] tags)
{
Mode = mode;
PullBatchSize = pullBatchSize;
PullBatchTimeout = pullBatchTimeout;
TagType = tagType;
Tags = tags;
}
private void RegisterConsumer(ConsumeMode mode, IQueueConsumer consumer, string consumerTag)
{
RegisterConsumer(consumerTag, new BasicConsumerSubscriptionInfo
{
ConsumerTag = consumerTag,
Mode = mode,
_consumer = consumer
});
}
private void RegisterConsumer(ConsumeMode mode, Func <MessageDelivery, Task> consumer, string consumerTag)
{
RegisterConsumer(consumerTag, new BasicConsumerSubscriptionInfo
{
ConsumerTag = consumerTag,
Mode = mode,
Callback = consumer
});
}
public async Task <RpcAggregateHelper> CreateRpcAggregateHelper(ConsumeMode mode, int?timeoutInMs, int maxConcurrentCalls, bool captureContext)
{
ThrowIfRecoveryInProcess();
var helper = await _channel.CreateRpcAggregateHelper(this, mode, timeoutInMs, maxConcurrentCalls, captureContext).ConfigureAwait(false);
lock (_rpcHelpers) _rpcHelpers.Add(helper);
return(helper);
}
public Task <RpcAggregateHelper> CreateRpcAggregateHelper(ConsumeMode mode, int?timeoutInMs, int maxConcurrentCalls, bool captureContext)
{
EnsureOpen();
if (_confirmationKeeper != null)
{
throw new Exception("This channel is set up for confirmations");
}
return(RpcAggregateHelper.Create(this, maxConcurrentCalls, mode, captureContext, timeoutInMs));
}
public async Task <string> BasicConsume(ConsumeMode mode, Func <MessageDelivery, Task> consumer, string queue, string consumerTag, bool withoutAcks, bool exclusive,
IDictionary <string, object> arguments, bool waitConfirmation)
{
ThrowIfRecoveryInProcess();
var consumerTag2 = await _channel.BasicConsume(mode, consumer, queue, consumerTag, withoutAcks, exclusive, arguments, waitConfirmation).ConfigureAwait(false);
lock (_consumersRegistered) _consumersRegistered.Add(new QueueConsumerRecovery(mode, consumer, queue, consumerTag2, withoutAcks, exclusive, arguments));
return(consumerTag2);
}
private RpcAggregateHelper(IChannel channel, int maxConcurrentCalls,
ConsumeMode mode, int?timeoutInMs)
: base(channel, maxConcurrentCalls, mode, timeoutInMs)
{
_pendingAggregationState = new AggState[maxConcurrentCalls];
for (int i = 0; i < maxConcurrentCalls; i++)
{
_pendingAggregationState[i] = new AggState();
}
}
private QueueConsumerRecovery(ConsumeMode mode,
string queue, string consumerTag2, bool withoutAcks, bool exclusive,
IDictionary <string, object> arguments)
{
_mode = mode;
_queue = queue;
_consumerTag = consumerTag2;
_withoutAcks = withoutAcks;
_exclusive = exclusive;
_arguments = arguments;
}
protected BaseRpcHelper(ConsumeMode mode, IChannel channel, int maxConcurrentCalls)
{
if (maxConcurrentCalls <= 0)
{
throw new ArgumentOutOfRangeException("maxConcurrentCalls");
}
_mode = mode;
_channel = channel;
_maxConcurrentCalls = maxConcurrentCalls;
_semaphoreSlim = new SemaphoreSlim(maxConcurrentCalls, maxConcurrentCalls);
}
public async Task <RpcHelper> CreateRpcHelper(ConsumeMode mode, int maxConcurrentCalls = 500)
{
if (_confirmationKeeper != null)
{
throw new Exception("This channel is set up for confirmations");
}
var helper = new RpcHelper(this, maxConcurrentCalls, mode);
await helper.Setup();
return(helper);
}
internal Task <string> __BasicConsume(ConsumeMode mode, string queue, string consumerTag, bool withoutAcks,
bool exclusive, IDictionary <string, object> arguments, bool waitConfirmation, Action <string> confirmConsumerTag)
{
var tcs = new TaskCompletionSource <string>( // TaskCreationOptions.AttachedToParent |
mode == ConsumeMode.ParallelWithBufferCopy || mode == ConsumeMode.SerializedWithBufferCopy
? TaskCreationOptions.RunContinuationsAsynchronously : TaskCreationOptions.None);
var writer = AmqpChannelLevelFrameWriter.BasicConsume(
queue, consumerTag, withoutAcks, exclusive, arguments, waitConfirmation);
_connectionIo.SendCommand(_channelNum, 60, 20,
writer,
reply: (channel, classMethodId, error) =>
{
if (LogAdapter.ProtocolLevelLogEnabled)
{
LogAdapter.LogDebug("ChannelIO", "< BasicConsumeOk for queue " + queue);
}
if (waitConfirmation && classMethodId == AmqpClassMethodChannelLevelConstants.BasicConsumeOk)
{
_connectionIo._frameReader.Read_BasicConsumeOk((consumerTag2) =>
{
if (string.IsNullOrEmpty(consumerTag))
{
if (LogAdapter.ProtocolLevelLogEnabled)
{
LogAdapter.LogDebug("ChannelIO", "< BasicConsumeOk consumerTag " + consumerTag);
}
confirmConsumerTag(consumerTag2);
}
tcs.SetResult(consumerTag2);
});
}
else if (!waitConfirmation)
{
tcs.SetResult(consumerTag);
}
else
{
AmqpIOBase.SetException(tcs, error, classMethodId);
}
return(Task.CompletedTask);
}, expectsReply: waitConfirmation);
return(tcs.Task);
}
public async Task <RpcHelper> CreateRpcHelper(ConsumeMode mode, int?timeoutInMs, int maxConcurrentCalls, bool captureContext)
{
ThrowIfRecoveryInProcess();
if (this.IsConfirmationEnabled)
{
throw new Exception("This channel is set up for confirmations");
}
var helper = await _channel.CreateRpcHelper(this, mode, timeoutInMs, maxConcurrentCalls, captureContext).ConfigureAwait(false);
lock (_rpcHelpers) _rpcHelpers.Add(helper);
return(helper);
}
public Puller(string subject, string consumerGroup, bool isBroadcast, TagType tagType, string[] tags, ConsumeMode consumeMode, PullController controller, PullStrategy pullStrategy, LoadBalance loadBalance)
{
_subject = subject;
_originSubject = RetrySubjectUtils.RealSubject(_subject);
_consumerGroup = consumerGroup;
_isBroadcast = isBroadcast;
_consumeMode = consumeMode;
_tagType = (_tags == null || _tags.Length == 0) ? (byte)0 : (byte)tagType;
_tags = tags;
_controller = controller;
_pullStrategy = pullStrategy;
_loadBalance = loadBalance;
}
public Task <string> BasicConsume(ConsumeMode mode, IQueueConsumer consumer,
string queue, string consumerTag, bool withoutAcks, bool exclusive,
IDictionary <string, object> arguments, bool waitConfirmation)
{
EnsureOpen();
if (consumer == null)
{
throw new ArgumentNullException("consumer");
}
if (!waitConfirmation && string.IsNullOrEmpty(consumerTag))
{
throw new ArgumentException("You must specify a consumer tag if waitConfirmation = false");
}
// TODO: refactor
if (!string.IsNullOrEmpty(consumerTag))
{
var added = _consumerSubscriptions.TryAdd(consumerTag, new BasicConsumerSubscriptionInfo
{
ConsumerTag = consumerTag,
Mode = mode,
_consumer = consumer
});
if (!added)
{
throw new Exception("Consumer already exists for tag " + consumerTag);
}
}
return(_io.__BasicConsume(mode, queue, consumerTag, withoutAcks, exclusive, arguments, waitConfirmation,
consumerTag2 =>
{
var added = _consumerSubscriptions.TryAdd(consumerTag2, new BasicConsumerSubscriptionInfo
{
ConsumerTag = consumerTag,
Mode = mode,
_consumer = consumer
});
if (!added)
{
throw new Exception("Consumer already exists for tag " + consumerTag);
}
}));
}
protected BaseRpcHelper(Channel channel, int maxConcurrentCalls, ConsumeMode mode, int?timeoutInMs)
: base(mode, channel, maxConcurrentCalls)
{
_timeoutInMs = timeoutInMs;
// the impl keeps a timer pool so this is light and efficient
if (timeoutInMs.HasValue)
{
_timeoutInTicks = timeoutInMs * TimeSpan.TicksPerMillisecond;
_timeoutTimer = new System.Threading.Timer(OnTimeoutCheck, null, timeoutInMs.Value, timeoutInMs.Value);
}
_pendingCalls = new TaskSlim <T> [maxConcurrentCalls];
_taskResultPool = new ObjectPool <TaskSlim <T> >(() =>
new TaskSlim <T>((inst) => _taskResultPool.PutObject(inst)), maxConcurrentCalls, preInitialize: true);
}
public RpcHelper(Channel channel, int maxConcurrentCalls, ConsumeMode mode, int timeoutInMs = 6000)
{
if (maxConcurrentCalls <= 0) throw new ArgumentOutOfRangeException("maxConcurrentCalls");
_channel = channel;
_maxConcurrentCalls = maxConcurrentCalls;
_mode = mode;
_timeoutInMs = timeoutInMs;
_timeoutInTicks = timeoutInMs * TimeSpan.TicksPerMillisecond;
_semaphoreSlim = new SemaphoreSlim(maxConcurrentCalls, maxConcurrentCalls);
// the impl keeps a timer pool so this is light and efficient
// _timeoutTimer = new System.Threading.Timer(OnTimeoutCheck, null, timeoutInMs, timeoutInMs);
_pendingCalls = new TaskSlim<MessageDelivery>[maxConcurrentCalls];
_taskResultPool = new ObjectPool<TaskSlim<MessageDelivery>>(() =>
new TaskSlim<MessageDelivery>((inst) => _taskResultPool.PutObject(inst)), maxConcurrentCalls, true);
}
protected BaseRpcHelper(IChannel channel, int maxConcurrentCalls, ConsumeMode mode, int?timeoutInMs)
: base(mode, channel, maxConcurrentCalls)
{
_timeoutInMs = timeoutInMs;
// the impl keeps a timer pool so this is light and efficient
if (timeoutInMs.HasValue)
{
_timeoutInTicks = timeoutInMs * TimeSpan.TicksPerMillisecond;
_timeoutTimer = new System.Threading.Timer(OnTimeoutCheck, null, timeoutInMs.Value, timeoutInMs.Value);
}
_pendingCalls = new PendingCallState[maxConcurrentCalls];
for (int i = 0; i < maxConcurrentCalls; i++)
{
_pendingCalls[i] = new PendingCallState {
pos = i
};
}
}
public RpcHelper(Channel channel, int maxConcurrentCalls, ConsumeMode mode, int timeoutInMs = 6000)
{
if (maxConcurrentCalls <= 0)
{
throw new ArgumentOutOfRangeException("maxConcurrentCalls");
}
_channel = channel;
_maxConcurrentCalls = maxConcurrentCalls;
_mode = mode;
_timeoutInMs = timeoutInMs;
_timeoutInTicks = timeoutInMs * TimeSpan.TicksPerMillisecond;
_semaphoreSlim = new SemaphoreSlim(maxConcurrentCalls, maxConcurrentCalls);
// the impl keeps a timer pool so this is light and efficient
// _timeoutTimer = new System.Threading.Timer(OnTimeoutCheck, null, timeoutInMs, timeoutInMs);
_pendingCalls = new TaskSlim <MessageDelivery> [maxConcurrentCalls];
_taskResultPool = new ObjectPool <TaskSlim <MessageDelivery> >(() =>
new TaskSlim <MessageDelivery>((inst) => _taskResultPool.PutObject(inst)), maxConcurrentCalls, true);
}
internal DefaultPullConsumer(string subject, string group, ConsumeMode mode, bool isBroadcast, string appCode, string metaServer, TagType tagType, string[] tags)
{
CheckArgument(subject, group, isBroadcast);
if (isBroadcast)
{
group = ClientId.CurrentUniqeConsumerGroup;
}
Subject = subject;
ConsumerGroup = group;
ConsumeMode = mode;
IsBroadcast = isBroadcast;
_localBuffer = new ConcurrentQueue <Message>();
_controller = new PullController(appCode, metaServer);
var retrySubject = RetrySubjectUtils.BuildRetrySubject(subject, group);
_pullers[0] = new Puller(retrySubject, group, isBroadcast, tagType, tags, mode, _controller, new WeightPullStrategy(), new RoundRobinLoadBalance());
_pullers[1] = new Puller(subject, group, isBroadcast, tagType, tags, mode, _controller, new AlwaysPullStrategy(), new WeightLoadBalance());
}
/// <summary>
/// 消费者
/// </summary>
/// <param name="settings"></param>
/// <param name="autoConfig">自动建Exchange、Queue和Bind</param>
public Consumer(ConsumerSettings settings, bool autoConfig)
{
if (settings == null)
{
throw new ArgumentNullException(nameof(settings));
}
if (settings.AmqpConnection == null && settings.AmqpUri == null)
{
throw new ArgumentNullException("AmqpConnection or AmqpUri must be set.");
}
_clientName = string.IsNullOrEmpty(settings.ClientName) ? "undefined consumer client" : settings.ClientName;
_amqpUri = settings.AmqpUri;
if (settings.AmqpConnection != null)
{
_amqpConnection = settings.AmqpConnection;
_clientName = settings.AmqpConnection.ClientProvidedName;
}
_mode = settings.Mode;
_prefetchCount = settings.PrefetchCount <= 0 ? (ushort)1 : (ushort)settings.PrefetchCount;
_groupName = string.IsNullOrEmpty(settings.GroupName) ? "default" : settings.GroupName;
_consumerCount = settings.ConsumerCount <= 0 ? 1 : settings.ConsumerCount;
_consumerSequence = settings.ConsumerSequence <= 0 || settings.ConsumerSequence > _consumerCount ? 1 : settings.ConsumerSequence;
_autoConfig = autoConfig;
}
public static async Task <RpcHelper> Create(Channel channel, int maxConcurrentCalls, ConsumeMode mode,
bool captureContext = false, int?timeoutInMs = null)
{
var instance = new RpcHelper(channel, maxConcurrentCalls, mode, timeoutInMs)
{
CaptureContext = captureContext
};
await instance.Setup().ConfigureAwait(captureContext);
return(instance);
}
public Task <RpcAggregateHelper> CreateRpcAggregateHelper(ConsumeMode mode, int?timeoutInMs, int maxConcurrentCalls, bool captureContext)
{
return(CreateRpcAggregateHelper(this, mode, timeoutInMs, maxConcurrentCalls, captureContext));
}
public static async Task <RpcAggregateHelper> Create(Channel channel, int maxConcurrentCalls, ConsumeMode mode, int?timeoutInMs)
{
var instance = new RpcAggregateHelper(channel, maxConcurrentCalls, mode, timeoutInMs);
await instance.Setup().ConfigureAwait(false);
return(instance);
}
public static IPullConsumer DefaultConsumer(string subject, string group, ConsumeMode mode, string appCode, string metaServer)
{
return(DefaultConsumer(subject, group, mode, appCode, metaServer, TagType.OR, null));
}
private RpcHelper(Channel channel, int maxConcurrentCalls, ConsumeMode mode, int?timeoutInMs)
: base(channel, maxConcurrentCalls, mode, timeoutInMs)
{
}
public Task<string> __BasicConsume(ConsumeMode mode, string queue, string consumerTag, bool withoutAcks,
bool exclusive, IDictionary<string, object> arguments, bool waitConfirmation, Action<string> confirmConsumerTag)
{
var tcs = new TaskCompletionSource<string>( // TaskCreationOptions.AttachedToParent |
mode == ConsumeMode.ParallelWithBufferCopy ? TaskCreationOptions.RunContinuationsAsynchronously : TaskCreationOptions.None);
var writer = AmqpChannelLevelFrameWriter.BasicConsume(
queue, consumerTag, withoutAcks, exclusive, arguments, waitConfirmation);
_connectionIo.SendCommand(_channelNum, 60, 20,
writer,
reply: (channel, classMethodId, error) =>
{
Console.WriteLine("< BasicConsumeOk " + queue);
if (waitConfirmation && classMethodId == AmqpClassMethodChannelLevelConstants.BasicConsumeOk)
{
_connectionIo._frameReader.Read_BasicConsumeOk((consumerTag2) =>
{
if (string.IsNullOrEmpty(consumerTag))
{
confirmConsumerTag(consumerTag2);
}
tcs.SetResult(consumerTag2);
});
}
else if (!waitConfirmation)
{
tcs.SetResult(consumerTag);
}
else
{
AmqpIOBase.SetException(tcs, error, classMethodId);
}
return Task.CompletedTask;
}, expectsReply: waitConfirmation);
return tcs.Task;
}