public ArraySegment <byte> ConvertViaMemoryStream()
{
using var messageStream = amqpMessage.ToStream();
using var memStream = new MemoryStream(StreamBufferSizeInBytes);
messageStream.CopyTo(memStream, StreamBufferSizeInBytes);
return(new ArraySegment <byte>(memStream.ToArray()));
}
protected override async Task OnSendEventAsync(IEnumerable <Message> messages)
{
// List to hold messages in Amqp friendly format
var messageList = new List <Data>();
foreach (var message in messages)
{
using (AmqpMessage amqpMessage = message.ToAmqpMessage())
{
var data = new Data()
{
Value = MessageConverter.ReadStream(amqpMessage.ToStream())
};
messageList.Add(data);
}
}
Outcome outcome;
using (var amqpMessage = AmqpMessage.Create(messageList))
{
amqpMessage.MessageFormat = AmqpConstants.AmqpBatchedMessageFormat;
outcome = await this.SendAmqpMessageAsync(amqpMessage);
}
if (outcome.DescriptorCode != Accepted.Code)
{
throw AmqpErrorMapper.GetExceptionFromOutcome(outcome);
}
}
static AmqpMessage GetBatchedMessage(IEnumerable <string> contents)
{
var messageList = new List <Data>();
int ctr = 0;
foreach (string msgContent in contents)
{
byte[] bytes = Encoding.UTF8.GetBytes(msgContent);
using (AmqpMessage msg = AmqpMessage.Create(new MemoryStream(bytes), false))
{
msg.Properties.MessageId = $"{ctr}";
msg.ApplicationProperties = new ApplicationProperties();
msg.ApplicationProperties.Map["MsgCnt"] = $"{ctr++}";
msg.ApplicationProperties.Map["MsgData"] = msgContent;
var data = new Data
{
Value = ReadStream(msg.ToStream())
};
messageList.Add(data);
}
}
AmqpMessage amqpMessage = AmqpMessage.Create(messageList);
amqpMessage.MessageFormat = AmqpConstants.AmqpBatchedMessageFormat;
return(amqpMessage);
}
public override async Task SendEventAsync(IEnumerable <Message> messages, CancellationToken cancellationToken)
{
await this.HandleTimeoutCancellation(async() =>
{
// List to hold messages in Amqp friendly format
var messageList = new List <Data>();
foreach (Message message in messages)
{
using (AmqpMessage amqpMessage = message.ToAmqpMessage())
{
var data = new Data()
{
Value = MessageConverter.ReadStream(amqpMessage.ToStream())
};
messageList.Add(data);
}
}
Outcome outcome;
using (AmqpMessage amqpMessage = AmqpMessage.Create(messageList))
{
amqpMessage.MessageFormat = AmqpConstants.AmqpBatchedMessageFormat;
outcome = await this.SendAmqpMessageAsync(amqpMessage, cancellationToken).ConfigureAwait(false);
}
if (outcome.DescriptorCode != Accepted.Code)
{
throw AmqpErrorMapper.GetExceptionFromOutcome(outcome);
}
}, cancellationToken).ConfigureAwait(false);
}
public BrokerMessage(AmqpMessage message)
{
this.stream = (BufferListStream)message.ToStream();
foreach (var buffer in message.RawByteBuffers)
{
buffer.Clone();
}
this.RawByteBuffers = message.RawByteBuffers;
}
public static AmqpMessage EventDatasToAmqpMessage(IEnumerable <EventData> eventDatas, string partitionKey, bool batchable)
{
if (eventDatas == null)
{
throw new ArgumentNullException(nameof(eventDatas));
}
AmqpMessage returnMessage = null;
var dataCount = eventDatas.Count();
if (dataCount > 1)
{
IList <Data> bodyList = new List <Data>();
EventData firstEvent = null;
foreach (EventData data in eventDatas)
{
if (firstEvent == null)
{
//this.ProcessFaultInjectionInfo(data);
firstEvent = data;
}
AmqpMessage amqpMessage = EventDataToAmqpMessage(data, partitionKey);
amqpMessage.Batchable = batchable;
if ((amqpMessage.Sections & ClientAmqpPropsSetOnSendToEventHub) == 0 &&
(data.Body.Array == null || data.Body.Count == 0))
{
throw new InvalidOperationException(Resources.CannotSendAnEmptyEvent.FormatForUser(data.GetType().Name));
}
ArraySegment <byte> buffer = StreamToBytes(amqpMessage.ToStream());
bodyList.Add(new Data {
Value = buffer
});
}
returnMessage = AmqpMessage.Create(bodyList);
returnMessage.Batchable = true;
returnMessage.MessageFormat = AmqpConstants.AmqpBatchedMessageFormat;
UpdateAmqpMessageHeadersAndProperties(returnMessage, null, partitionKey, firstEvent, copyUserProperties: false);
}
else if (dataCount == 1) // ??? can't be null
{
var data = eventDatas.First();
//this.ProcessFaultInjectionInfo(data);
returnMessage = EventDataToAmqpMessage(data, partitionKey);
returnMessage.Batchable = batchable;
if ((returnMessage.Sections & ClientAmqpPropsSetOnSendToEventHub) == 0 &&
(data.Body.Array == null || data.Body.Count == 0))
{
throw new InvalidOperationException(Resources.CannotSendAnEmptyEvent.FormatForUser(data.GetType().Name));
}
}
return(returnMessage);
}
public override async Task SendEventAsync(IEnumerable <Message> messages, CancellationToken cancellationToken)
{
if (Logging.IsEnabled)
{
Logging.Enter(this, messages, cancellationToken, $"{nameof(SendEventAsync)}");
}
try
{
cancellationToken.ThrowIfCancellationRequested();
// List to hold messages in Amqp friendly format
var messageList = new List <Data>();
foreach (Message message in messages)
{
using (AmqpMessage amqpMessage = message.ToAmqpMessage())
{
var data = new Data()
{
Value = MessageConverter.ReadStream(amqpMessage.ToStream())
};
messageList.Add(data);
}
}
Outcome outcome;
using (AmqpMessage amqpMessage = AmqpMessage.Create(messageList))
{
amqpMessage.MessageFormat = AmqpConstants.AmqpBatchedMessageFormat;
outcome = await _amqpUnit.SendEventAsync(amqpMessage, _operationTimeout).ConfigureAwait(false);
}
if (outcome != null)
{
if (outcome.DescriptorCode != Accepted.Code)
{
throw AmqpErrorMapper.GetExceptionFromOutcome(outcome);
}
}
}
finally
{
if (Logging.IsEnabled)
{
Logging.Exit(this, messages, cancellationToken, $"{nameof(SendEventAsync)}");
}
}
}
internal async Task <AmqpIoTOutcome> SendMessagesAsync(IEnumerable <Message> messages, TimeSpan timeout)
{
if (Logging.IsEnabled)
{
Logging.Enter(this, $"{nameof(SendMessagesAsync)}");
}
// List to hold messages in Amqp friendly format
var messageList = new List <Data>();
foreach (Message message in messages)
{
using (AmqpMessage amqpMessage = AmqpIoTMessageConverter.MessageToAmqpMessage(message))
{
var data = new Data()
{
Value = AmqpIoTMessageConverter.ReadStream(amqpMessage.ToStream())
};
messageList.Add(data);
}
}
Outcome outcome;
using (AmqpMessage amqpMessage = AmqpMessage.Create(messageList))
{
amqpMessage.MessageFormat = AmqpConstants.AmqpBatchedMessageFormat;
outcome = await SendAmqpMessageAsync(amqpMessage, timeout).ConfigureAwait(false);
}
AmqpIoTOutcome amqpIoTOutcome = new AmqpIoTOutcome(outcome);
if (amqpIoTOutcome != null)
{
amqpIoTOutcome.ThrowIfNotAccepted();
}
if (Logging.IsEnabled)
{
Logging.Exit(this, $"{nameof(SendMessagesAsync)}");
}
return(amqpIoTOutcome);
}
internal async Task <AmqpIotOutcome> SendMessagesAsync(IEnumerable <Message> messages, CancellationToken cancellationToken)
{
if (Logging.IsEnabled)
{
Logging.Enter(this, nameof(SendMessagesAsync));
}
cancellationToken.ThrowIfCancellationRequested();
// List to hold messages in AMQP friendly format
var messageList = new List <Data>(messages.Count());
foreach (Message message in messages)
{
using AmqpMessage amqpMessage = AmqpIotMessageConverter.MessageToAmqpMessage(message);
var data = new Data
{
Value = AmqpIotMessageConverter.ReadStream(amqpMessage.ToStream()),
};
messageList.Add(data);
}
using var batchMessage = AmqpMessage.Create(messageList);
batchMessage.MessageFormat = AmqpConstants.AmqpBatchedMessageFormat;
Outcome outcome = await SendAmqpMessageAsync(batchMessage, cancellationToken).ConfigureAwait(false);
var amqpIotOutcome = new AmqpIotOutcome(outcome);
amqpIotOutcome.ThrowIfNotAccepted();
if (Logging.IsEnabled)
{
Logging.Exit(this, nameof(SendMessagesAsync));
}
return(amqpIotOutcome);
}
public void AmqpMessageSerializationTest()
{
// empty message
AmqpMessage message = AmqpMessage.Create();
AddSection(message, SectionFlag.Properties);
RunSerializationTest(message);
// data message
message = AmqpMessage.Create(new Data()
{
Value = new ArraySegment <byte>(new byte[60])
});
RunSerializationTest(message);
message = AmqpMessage.Create(new Data[] { new Data()
{
Value = new ArraySegment <byte>(new byte[60])
}, new Data()
{
Value = new ArraySegment <byte>(new byte[44])
} });
AddSection(message, SectionFlag.Header | SectionFlag.ApplicationProperties);
RunSerializationTest(message);
// value message
message = AmqpMessage.Create(new AmqpValue()
{
Value = new AmqpSymbol("symbol value")
});
AddSection(message, SectionFlag.Header | SectionFlag.DeliveryAnnotations | SectionFlag.ApplicationProperties);
RunSerializationTest(message);
// sequence message
message = AmqpMessage.Create(new AmqpSequence[] { new AmqpSequence(new List <object>()
{
"string1", 1234
}), new AmqpSequence(new List <object>()
{
DateTime.Parse("2012-01-01 12:00:00").ToUniversalTime()
}) });
AddSection(message, SectionFlag.MessageAnnotations | SectionFlag.Properties | SectionFlag.ApplicationProperties | SectionFlag.Footer);
RunSerializationTest(message);
// data message - binary
message = AmqpUtils.CreateMessage(new byte[888]);
AddSection(message, SectionFlag.DeliveryAnnotations | SectionFlag.ApplicationProperties | SectionFlag.Footer);
RunSerializationTest(message);
// body stream message
message = AmqpMessage.Create(new MemoryStream(new byte[679]), true);
AddSection(message, SectionFlag.Header | SectionFlag.MessageAnnotations | SectionFlag.Footer);
RunSerializationTest(message);
// the following simulates a message's round trip from client to broker to client
// message -serialize-> buffers -> input stream message -> output stream message -deserialize> message
message = AmqpMessage.Create(new AmqpValue()
{
Value = new AmqpSymbol("symbol value")
});
AddSection(message, SectionFlag.MessageAnnotations | SectionFlag.Properties | SectionFlag.ApplicationProperties);
// serialize - send the message on client side
ArraySegment <byte>[] buffers = ReadMessagePayLoad(message, 71);
// input stream message - received on broker side
AmqpMessage message2 = AmqpMessage.CreateAmqpStreamMessage(new BufferListStream(buffers));
// output stream message - send out on broker side
message2 = AmqpMessage.CreateOutputMessage((BufferListStream)message2.ToStream(), true);
AddSection(message2, SectionFlag.Header | SectionFlag.DeliveryAnnotations);
message2.MessageAnnotations.Map["delivery-count"] = 5;
// input stream message - received on client side
buffers = ReadMessagePayLoad(message2, 71);
message2 = AmqpMessage.CreateAmqpStreamMessage(new BufferListStream(buffers));
// update the original message to match the updated message
AddSection(message, SectionFlag.Header | SectionFlag.DeliveryAnnotations);
message.MessageAnnotations.Map["delivery-count"] = 5;
ValidateMessage(message, message2);
}
public static AmqpMessage EventDatasToAmqpMessage(IEnumerable <EventData> eventDatas, string partitionKey)
{
Guard.ArgumentNotNull(nameof(eventDatas), eventDatas);
AmqpMessage returnMessage = null;
var dataCount = eventDatas.Count();
if (dataCount > 1)
{
IList <Data> bodyList = new List <Data>();
EventData firstEvent = null;
foreach (EventData data in eventDatas)
{
if (firstEvent == null)
{
firstEvent = data;
}
// Create AMQP message if not created yet. We might have created AmqpMessage while building the EventDataBatch.
AmqpMessage amqpMessage = data.AmqpMessage;
data.AmqpMessage = null; // Retry on the same message should create a new AmqpMessage
if (amqpMessage == null)
{
amqpMessage = EventDataToAmqpMessage(data);
}
UpdateAmqpMessagePartitionKey(amqpMessage, partitionKey);
amqpMessage.Batchable = true;
if ((amqpMessage.Sections & ClientAmqpPropsSetOnSendToEventHub) == 0 && data.Body.Array == null)
{
throw new InvalidOperationException(Resources.CannotSendAnEmptyEvent.FormatForUser(data.GetType().Name));
}
ArraySegment <byte> buffer = StreamToBytes(amqpMessage.ToStream());
bodyList.Add(new Data {
Value = buffer
});
}
returnMessage = AmqpMessage.Create(bodyList);
returnMessage.MessageFormat = AmqpConstants.AmqpBatchedMessageFormat;
UpdateAmqpMessageHeadersAndProperties(returnMessage, null, firstEvent, copyUserProperties: false);
}
else if (dataCount == 1) // ??? can't be null
{
var data = eventDatas.First();
// Create AMQP message if not created yet. We might have created AmqpMessage while building the EventDataBatch.
returnMessage = data.AmqpMessage;
data.AmqpMessage = null; // Retry on the same message should create a new AmqpMessage
if (returnMessage == null)
{
returnMessage = EventDataToAmqpMessage(data);
}
if ((returnMessage.Sections & ClientAmqpPropsSetOnSendToEventHub) == 0 && data.Body.Array == null)
{
throw new InvalidOperationException(Resources.CannotSendAnEmptyEvent.FormatForUser(data.GetType().Name));
}
}
returnMessage.Batchable = true;
UpdateAmqpMessagePartitionKey(returnMessage, partitionKey);
return(returnMessage);
}
public BrokerMessage(AmqpMessage message)
{
this.stream = (BufferListStream)message.ToStream();
foreach (var buffer in message.RawByteBuffers) buffer.Clone();
this.RawByteBuffers = message.RawByteBuffers;
}