protected override async Task <IList <BrokeredMessage> > OnPeekAsync(long fromSequenceNumber, int messageCount = 1)
{
try
{
AmqpRequestMessage requestMessage =
AmqpRequestMessage.CreateRequest(
ManagementConstants.Operations.PeekMessageOperation,
this.OperationTimeout,
null);
requestMessage.Map[ManagementConstants.Properties.FromSequenceNumber] = fromSequenceNumber;
requestMessage.Map[ManagementConstants.Properties.MessageCount] = messageCount;
if (!string.IsNullOrWhiteSpace(this.sessionId))
{
requestMessage.Map[ManagementConstants.Properties.SessionId] = this.sessionId;
}
List <BrokeredMessage> messages = new List <BrokeredMessage>();
AmqpResponseMessage response = await this.ExecuteRequestResponseAsync(requestMessage);
if (response.StatusCode == AmqpResponseStatusCode.OK)
{
BrokeredMessage brokeredMessage = null;
var messageList = response.GetListValue <AmqpMap>(ManagementConstants.Properties.Messages);
foreach (AmqpMap entry in messageList)
{
var payload = (ArraySegment <byte>)entry[ManagementConstants.Properties.Message];
AmqpMessage amqpMessage =
AmqpMessage.CreateAmqpStreamMessage(new BufferListStream(new[] { payload }), true);
brokeredMessage = AmqpMessageConverter.ClientGetMessage(amqpMessage);
messages.Add(brokeredMessage);
}
if (brokeredMessage != null)
{
this.LastPeekedSequenceNumber = brokeredMessage.SequenceNumber;
}
return(messages);
}
}
catch (AmqpException amqpException)
{
throw AmqpExceptionHelper.ToMessagingContract(amqpException.Error);
}
return(null);
}
protected override async Task <IList <Message> > OnReceiveAsync(int maxMessageCount, TimeSpan serverWaitTime)
{
ReceivingAmqpLink receiveLink = null;
try
{
TimeoutHelper timeoutHelper = new TimeoutHelper(serverWaitTime, true);
receiveLink = await this.ReceiveLinkManager.GetOrCreateAsync(timeoutHelper.RemainingTime()).ConfigureAwait(false);
IEnumerable <AmqpMessage> amqpMessages = null;
bool hasMessages = await Task.Factory.FromAsync(
(c, s) => receiveLink.BeginReceiveRemoteMessages(maxMessageCount, DefaultBatchFlushInterval, timeoutHelper.RemainingTime(), c, s),
a => receiveLink.EndReceiveMessages(a, out amqpMessages),
this).ConfigureAwait(false);
if (receiveLink.TerminalException != null)
{
throw receiveLink.TerminalException;
}
if (hasMessages && amqpMessages != null)
{
IList <Message> brokeredMessages = null;
foreach (var amqpMessage in amqpMessages)
{
if (brokeredMessages == null)
{
brokeredMessages = new List <Message>();
}
if (this.ReceiveMode == ReceiveMode.ReceiveAndDelete)
{
receiveLink.DisposeDelivery(amqpMessage, true, AmqpConstants.AcceptedOutcome);
}
Message message = AmqpMessageConverter.AmqpMessageToSBMessage(amqpMessage);
brokeredMessages.Add(message);
}
return(brokeredMessages);
}
return(null);
}
catch (Exception exception)
{
throw AmqpExceptionHelper.GetClientException(exception, receiveLink?.GetTrackingId());
}
}
protected override async Task <long> OnScheduleMessageAsync(BrokeredMessage brokeredMessage)
{
// TODO: Ensure System.Transactions.Transaction.Current is null. Transactions are not supported by 1.0.0 version of dotnet core.
using (AmqpMessage amqpMessage = AmqpMessageConverter.ClientGetMessage(brokeredMessage))
{
var request = AmqpRequestMessage.CreateRequest(
ManagementConstants.Operations.ScheduleMessageOperation,
this.OperationTimeout,
null);
ArraySegment <byte>[] payload = amqpMessage.GetPayload();
BufferListStream buffer = new BufferListStream(payload);
ArraySegment <byte> value = buffer.ReadBytes((int)buffer.Length);
var entry = new AmqpMap();
{
entry[ManagementConstants.Properties.Message] = value;
entry[ManagementConstants.Properties.MessageId] = brokeredMessage.MessageId;
if (!string.IsNullOrWhiteSpace(brokeredMessage.SessionId))
{
entry[ManagementConstants.Properties.SessionId] = brokeredMessage.SessionId;
}
if (!string.IsNullOrWhiteSpace(brokeredMessage.PartitionKey))
{
entry[ManagementConstants.Properties.PartitionKey] = brokeredMessage.PartitionKey;
}
}
request.Map[ManagementConstants.Properties.Messages] = new List <AmqpMap> {
entry
};
IEnumerable <long> sequenceNumbers = null;
var response = await this.ExecuteRequestResponseAsync(request);
if (response.StatusCode == AmqpResponseStatusCode.OK)
{
sequenceNumbers = response.GetValue <long[]>(ManagementConstants.Properties.SequenceNumbers);
}
else
{
response.ToMessagingContractException();
}
return(sequenceNumbers?.FirstOrDefault() ?? 0);
}
}
public static AmqpMessage BrokeredMessagesToAmqpMessage(IEnumerable <BrokeredMessage> brokeredMessages, bool batchable)
{
AmqpMessage amqpMessage;
if (brokeredMessages.Count() == 1)
{
BrokeredMessage singleBrokeredMessage = brokeredMessages.Single();
amqpMessage = AmqpMessageConverter.ClientGetMessage(singleBrokeredMessage);
}
else
{
List <Data> dataList = new List <Data>();
foreach (BrokeredMessage brokeredMessage in brokeredMessages)
{
AmqpMessage amqpMessageItem = AmqpMessageConverter.ClientGetMessage(brokeredMessage);
ArraySegment <byte>[] payload = amqpMessageItem.GetPayload();
BufferListStream buffer = new BufferListStream(payload);
ArraySegment <byte> value = buffer.ReadBytes((int)buffer.Length);
dataList.Add(new Data()
{
Value = value
});
}
BrokeredMessage firstBrokeredMessage = brokeredMessages.First();
amqpMessage = AmqpMessage.Create(dataList);
amqpMessage.MessageFormat = AmqpConstants.AmqpBatchedMessageFormat;
if (firstBrokeredMessage.MessageId != null)
{
amqpMessage.Properties.MessageId = firstBrokeredMessage.MessageId;
}
if (firstBrokeredMessage.SessionId != null)
{
amqpMessage.Properties.GroupId = firstBrokeredMessage.SessionId;
}
if (firstBrokeredMessage.PartitionKey != null)
{
amqpMessage.MessageAnnotations.Map[AmqpMessageConverter.PartitionKeyName] = firstBrokeredMessage.PartitionKey;
}
}
amqpMessage.Batchable = batchable;
return(amqpMessage);
}
protected override async Task <IList <BrokeredMessage> > OnReceiveAsync(int maxMessageCount)
{
try
{
TimeoutHelper timeoutHelper = new TimeoutHelper(this.OperationTimeout, true);
ReceivingAmqpLink receiveLink = await this.ReceiveLinkManager.GetOrCreateAsync(timeoutHelper.RemainingTime()).ConfigureAwait(false);
IEnumerable <AmqpMessage> amqpMessages = null;
bool hasMessages = await Task.Factory.FromAsync(
(c, s) => receiveLink.BeginReceiveRemoteMessages(maxMessageCount, AmqpMessageReceiver.DefaultBatchFlushInterval, timeoutHelper.RemainingTime(), c, s),
a => receiveLink.EndReceiveMessages(a, out amqpMessages),
this).ConfigureAwait(false);
if (receiveLink.TerminalException != null)
{
throw receiveLink.TerminalException;
}
if (hasMessages && amqpMessages != null)
{
IList <BrokeredMessage> brokeredMessages = null;
foreach (var amqpMessage in amqpMessages)
{
if (brokeredMessages == null)
{
brokeredMessages = new List <BrokeredMessage>();
}
if (this.ReceiveMode == ReceiveMode.ReceiveAndDelete)
{
receiveLink.DisposeDelivery(amqpMessage, true, AmqpConstants.AcceptedOutcome);
}
BrokeredMessage brokeredMessage = AmqpMessageConverter.ClientGetMessage(amqpMessage);
brokeredMessage.Receiver = this; // Associate the Message with this Receiver.
brokeredMessages.Add(brokeredMessage);
}
return(brokeredMessages);
}
return(null);
}
catch (AmqpException amqpException)
{
throw AmqpExceptionHelper.ToMessagingContract(amqpException.Error);
}
}
protected override async Task <IList <BrokeredMessage> > OnReceiveBySequenceNumberAsync(IEnumerable <long> sequenceNumbers)
{
List <BrokeredMessage> messages = new List <BrokeredMessage>();
try
{
AmqpRequestMessage requestMessage = AmqpRequestMessage.CreateRequest(ManagementConstants.Operations.ReceiveBySequenceNumberOperation, this.OperationTimeout, null);
requestMessage.Map[ManagementConstants.Properties.SequenceNumbers] = sequenceNumbers.ToArray();
requestMessage.Map[ManagementConstants.Properties.ReceiverSettleMode] = (uint)(this.ReceiveMode == ReceiveMode.ReceiveAndDelete ? 0 : 1);
AmqpResponseMessage response = await this.ExecuteRequestResponseAsync(requestMessage).ConfigureAwait(false);
if (response.StatusCode == AmqpResponseStatusCode.OK)
{
IEnumerable <AmqpMap> amqpMapList = response.GetListValue <AmqpMap>(ManagementConstants.Properties.Messages);
foreach (AmqpMap entry in amqpMapList)
{
ArraySegment <byte> payload = (ArraySegment <byte>)entry[ManagementConstants.Properties.Message];
AmqpMessage amqpMessage = AmqpMessage.CreateAmqpStreamMessage(new BufferListStream(new[] { payload }), true);
BrokeredMessage brokeredMessage = AmqpMessageConverter.ClientGetMessage(amqpMessage);
brokeredMessage.Receiver = this; // Associate the Message with this Receiver.
Guid lockToken;
if (entry.TryGetValue(ManagementConstants.Properties.LockToken, out lockToken))
{
brokeredMessage.LockToken = lockToken;
this.requestResponseLockedMessages.AddOrUpdate(lockToken, brokeredMessage.LockedUntilUtc);
}
messages.Add(brokeredMessage);
}
}
else
{
throw response.ToMessagingContractException();
}
}
catch (Exception exception)
{
throw AmqpExceptionHelper.GetClientException(exception);
}
return(messages);
}
protected override async Task OnSendAsync(IEnumerable <BrokeredMessage> brokeredMessages)
{
TimeoutHelper timeoutHelper = new TimeoutHelper(this.OperationTimeout, true);
using (AmqpMessage amqpMessage = AmqpMessageConverter.BrokeredMessagesToAmqpMessage(brokeredMessages, true))
{
SendingAmqpLink amqpLink = null;
try
{
amqpLink = await this.SendLinkManager.GetOrCreateAsync(timeoutHelper.RemainingTime()).ConfigureAwait(false);
if (amqpLink.Settings.MaxMessageSize.HasValue)
{
ulong size = (ulong)amqpMessage.SerializedMessageSize;
if (size > amqpLink.Settings.MaxMessageSize.Value)
{
// TODO: Add MessageSizeExceededException
throw new NotImplementedException("MessageSizeExceededException: " + Resources.AmqpMessageSizeExceeded.FormatForUser(amqpMessage.DeliveryId.Value, size, amqpLink.Settings.MaxMessageSize.Value));
////throw Fx.Exception.AsError(new MessageSizeExceededException(
////Resources.AmqpMessageSizeExceeded.FormatForUser(amqpMessage.DeliveryId.Value, size, amqpLink.Settings.MaxMessageSize.Value)));
}
}
Outcome outcome = await amqpLink.SendMessageAsync(amqpMessage, this.GetNextDeliveryTag(), AmqpConstants.NullBinary, timeoutHelper.RemainingTime()).ConfigureAwait(false);
if (outcome.DescriptorCode != Accepted.Code)
{
Rejected rejected = (Rejected)outcome;
throw Fx.Exception.AsError(AmqpExceptionHelper.ToMessagingContractException(rejected.Error));
}
}
catch (Exception exception)
{
throw AmqpExceptionHelper.GetClientException(exception, amqpLink?.GetTrackingId());
}
}
}
public static AmqpMessage BatchSBMessagesAsAmqpMessage(IEnumerable <SBMessage> sbMessages, bool batchable)
{
if (sbMessages == null)
{
throw Fx.Exception.ArgumentNull(nameof(sbMessages));
}
AmqpMessage amqpMessage;
AmqpMessage firstAmqpMessage = null;
SBMessage firstMessage = null;
List <Data> dataList = null;
var messageCount = 0;
foreach (var sbMessage in sbMessages)
{
messageCount++;
amqpMessage = AmqpMessageConverter.SBMessageToAmqpMessage(sbMessage);
if (firstAmqpMessage == null)
{
firstAmqpMessage = amqpMessage;
firstMessage = sbMessage;
continue;
}
if (dataList == null)
{
dataList = new List <Data> {
ToData(firstAmqpMessage)
};
}
dataList.Add(ToData(amqpMessage));
}
if (messageCount == 1 && firstAmqpMessage != null)
{
firstAmqpMessage.Batchable = batchable;
return(firstAmqpMessage);
}
amqpMessage = AmqpMessage.Create(dataList);
amqpMessage.MessageFormat = AmqpConstants.AmqpBatchedMessageFormat;
if (firstMessage.MessageId != null)
{
amqpMessage.Properties.MessageId = firstMessage.MessageId;
}
if (firstMessage.SessionId != null)
{
amqpMessage.Properties.GroupId = firstMessage.SessionId;
}
if (firstMessage.PartitionKey != null)
{
amqpMessage.MessageAnnotations.Map[AmqpMessageConverter.PartitionKeyName] =
firstMessage.PartitionKey;
}
amqpMessage.Batchable = batchable;
return(amqpMessage);
}
// return from AMQP lib to client API for a received message
// TODO: expose other AMQP sections in BrokeredMessage
public static BrokeredMessage ClientGetMessage(AmqpMessage amqpMessage)
{
BrokeredMessage brokeredMessage;
if ((amqpMessage.BodyType & SectionFlag.Data) != 0 ||
(amqpMessage.BodyType & SectionFlag.AmqpSequence) != 0)
{
Stream bodyStream = AmqpMessageConverter.GetMessageBodyStream(amqpMessage);
brokeredMessage = new BrokeredMessage(bodyStream, true);
}
else if ((amqpMessage.BodyType & SectionFlag.AmqpValue) != 0)
{
object netObject;
if (!TryGetNetObjectFromAmqpObject(amqpMessage.ValueBody.Value, MappingType.MessageBody, out netObject))
{
netObject = amqpMessage.ValueBody.Value;
}
brokeredMessage = new BrokeredMessage(netObject, amqpMessage.BodyStream);
}
else
{
brokeredMessage = new BrokeredMessage();
}
SectionFlag sections = amqpMessage.Sections;
if ((sections & SectionFlag.Header) != 0)
{
if (amqpMessage.Header.Ttl != null)
{
brokeredMessage.TimeToLive = TimeSpan.FromMilliseconds(amqpMessage.Header.Ttl.Value);
}
if (amqpMessage.Header.DeliveryCount != null)
{
brokeredMessage.DeliveryCount = (int)(amqpMessage.Header.DeliveryCount.Value + 1);
}
}
if ((sections & SectionFlag.Properties) != 0)
{
if (amqpMessage.Properties.MessageId != null)
{
brokeredMessage.MessageId = amqpMessage.Properties.MessageId.ToString();
}
if (amqpMessage.Properties.CorrelationId != null)
{
brokeredMessage.CorrelationId = amqpMessage.Properties.CorrelationId.ToString();
}
if (amqpMessage.Properties.ContentType.Value != null)
{
brokeredMessage.ContentType = amqpMessage.Properties.ContentType.Value;
}
if (amqpMessage.Properties.Subject != null)
{
brokeredMessage.Label = amqpMessage.Properties.Subject;
}
if (amqpMessage.Properties.To != null)
{
brokeredMessage.To = amqpMessage.Properties.To.ToString();
}
if (amqpMessage.Properties.ReplyTo != null)
{
brokeredMessage.ReplyTo = amqpMessage.Properties.ReplyTo.ToString();
}
if (amqpMessage.Properties.GroupId != null)
{
brokeredMessage.SessionId = amqpMessage.Properties.GroupId;
}
if (amqpMessage.Properties.ReplyToGroupId != null)
{
brokeredMessage.ReplyToSessionId = amqpMessage.Properties.ReplyToGroupId;
}
}
// Do applicaiton properties before message annotations, because the application properties
// can be updated by entries from message annotation.
if ((sections & SectionFlag.ApplicationProperties) != 0)
{
foreach (var pair in amqpMessage.ApplicationProperties.Map)
{
object netObject;
if (TryGetNetObjectFromAmqpObject(pair.Value, MappingType.ApplicationProperty, out netObject))
{
brokeredMessage.Properties[pair.Key.ToString()] = netObject;
}
}
}
if ((sections & SectionFlag.MessageAnnotations) != 0)
{
foreach (var pair in amqpMessage.MessageAnnotations.Map)
{
string key = pair.Key.ToString();
switch (key)
{
case EnqueuedTimeUtcName:
brokeredMessage.EnqueuedTimeUtc = (DateTime)pair.Value;
break;
case ScheduledEnqueueTimeUtcName:
brokeredMessage.ScheduledEnqueueTimeUtc = (DateTime)pair.Value;
break;
case SequenceNumberName:
brokeredMessage.SequenceNumber = (long)pair.Value;
break;
case OffsetName:
brokeredMessage.EnqueuedSequenceNumber = long.Parse((string)pair.Value);
break;
case LockedUntilName:
brokeredMessage.LockedUntilUtc = (DateTime)pair.Value;
break;
case PublisherName:
brokeredMessage.Publisher = (string)pair.Value;
break;
case PartitionKeyName:
brokeredMessage.PartitionKey = (string)pair.Value;
break;
case PartitionIdName:
brokeredMessage.PartitionId = (short)pair.Value;
break;
case DeadLetterSourceName:
brokeredMessage.DeadLetterSource = (string)pair.Value;
break;
default:
object netObject;
if (TryGetNetObjectFromAmqpObject(pair.Value, MappingType.ApplicationProperty, out netObject))
{
brokeredMessage.Properties[key] = netObject;
}
break;
}
}
}
if (amqpMessage.DeliveryTag.Count == GuidSize)
{
byte[] guidBuffer = new byte[GuidSize];
Buffer.BlockCopy(amqpMessage.DeliveryTag.Array, amqpMessage.DeliveryTag.Offset, guidBuffer, 0, GuidSize);
brokeredMessage.LockToken = new Guid(guidBuffer);
}
brokeredMessage.AttachDisposables(new[] { amqpMessage });
return(brokeredMessage);
}
// return from Client API to AMQP lib for send
public static AmqpMessage ClientGetMessage(BrokeredMessage brokeredMessage)
{
AmqpMessage amqpMessage = AmqpMessageConverter.CreateAmqpMessageFromSbmpMessage(brokeredMessage);
amqpMessage.Properties.MessageId = brokeredMessage.MessageId;
amqpMessage.Properties.CorrelationId = brokeredMessage.CorrelationId;
amqpMessage.Properties.ContentType = brokeredMessage.ContentType;
amqpMessage.Properties.Subject = brokeredMessage.Label;
amqpMessage.Properties.To = brokeredMessage.To;
amqpMessage.Properties.ReplyTo = brokeredMessage.ReplyTo;
amqpMessage.Properties.GroupId = brokeredMessage.SessionId;
amqpMessage.Properties.ReplyToGroupId = brokeredMessage.ReplyToSessionId;
if ((brokeredMessage.InitializedMembers & BrokeredMessage.MessageMembers.TimeToLive) != 0)
{
amqpMessage.Header.Ttl = (uint)brokeredMessage.TimeToLive.TotalMilliseconds;
amqpMessage.Properties.CreationTime = DateTime.UtcNow;
if (AmqpConstants.MaxAbsoluteExpiryTime - amqpMessage.Properties.CreationTime.Value > brokeredMessage.TimeToLive)
{
amqpMessage.Properties.AbsoluteExpiryTime = amqpMessage.Properties.CreationTime.Value + brokeredMessage.TimeToLive;
}
else
{
amqpMessage.Properties.AbsoluteExpiryTime = AmqpConstants.MaxAbsoluteExpiryTime;
}
}
if ((brokeredMessage.InitializedMembers & BrokeredMessage.MessageMembers.ScheduledEnqueueTimeUtc) != 0 &&
brokeredMessage.ScheduledEnqueueTimeUtc > DateTime.MinValue)
{
amqpMessage.MessageAnnotations.Map.Add(ScheduledEnqueueTimeUtcName, brokeredMessage.ScheduledEnqueueTimeUtc);
}
if ((brokeredMessage.InitializedMembers & BrokeredMessage.MessageMembers.Publisher) != 0 &&
brokeredMessage.Publisher != null)
{
amqpMessage.MessageAnnotations.Map.Add(PublisherName, brokeredMessage.Publisher);
}
if ((brokeredMessage.InitializedMembers & BrokeredMessage.MessageMembers.DeadLetterSource) != 0 &&
brokeredMessage.DeadLetterSource != null)
{
amqpMessage.MessageAnnotations.Map.Add(DeadLetterSourceName, brokeredMessage.DeadLetterSource);
}
if ((brokeredMessage.InitializedMembers & BrokeredMessage.MessageMembers.PartitionKey) != 0 &&
brokeredMessage.PartitionKey != null)
{
amqpMessage.MessageAnnotations.Map.Add(PartitionKeyName, brokeredMessage.PartitionKey);
}
foreach (KeyValuePair <string, object> pair in brokeredMessage.Properties)
{
object amqpObject;
if (TryGetAmqpObjectFromNetObject(pair.Value, MappingType.ApplicationProperty, out amqpObject))
{
amqpMessage.ApplicationProperties.Map.Add(pair.Key, amqpObject);
}
}
return(amqpMessage);
}