public void AmqpMessageReceiveResendTest()
{
var message = AmqpMessage.Create(new AmqpValue {
Value = "Hello, AMQP!"
});
message.MessageAnnotations.Map["key"] = "old";
// send the message and receive it on remote side
var payload = message.GetPayload();
var streamMessage = AmqpMessage.CreateAmqpStreamMessage(new BufferListStream(payload));
//new OutputMessage for resending with modified sections
var stream = BufferListStream.Create(streamMessage.ToStream(), AmqpConstants.SegmentSize, streamMessage.Settled);
stream.Seek(0, System.IO.SeekOrigin.Begin);
var outMessage = AmqpMessage.CreateOutputMessage(stream, false);
outMessage.Settled = streamMessage.Settled;
//explicitly assign
outMessage.Header.Priority = 99;
outMessage.DeliveryAnnotations.Map["key"] = "da-update";
outMessage.MessageAnnotations.Map["key"] = "update";
// send
var payload2 = outMessage.GetPayload();
var value = (string)outMessage.MessageAnnotations.Map["key"];
Assert.Equal("update", value);
// receive
var streamMessage2 = AmqpMessage.CreateAmqpStreamMessage(new BufferListStream(payload2));
Assert.Equal(99, streamMessage2.Header.Priority.Value);
value = (string)outMessage.DeliveryAnnotations.Map["key"];
Assert.Equal("da-update", value);
value = (string)outMessage.MessageAnnotations.Map["key"];
Assert.Equal("update", value);
}
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);
}
