async Task RunSampleAsync()
{
ConnectionFactory factory = new ConnectionFactory();
factory.SASL.Profile = SaslProfile.External;
Trace.WriteLine(TraceLevel.Information, "Establishing a connection...");
Address address = new Address(this.Namespace, 5671, null, null, "/", "amqps");
var connection = await factory.CreateAsync(address);
// before any operation can be performed, a token must be put to the $cbs node
Trace.WriteLine(TraceLevel.Information, "Putting a token to the $cbs node...");
await PutTokenAsync(connection);
Trace.WriteLine(TraceLevel.Information, "Sending a message...");
var session = new Session(connection);
var sender = new SenderLink(session, "ServiceBus.Cbs:sender-link", this.Entity);
await sender.SendAsync(new Message("test"));
await sender.CloseAsync();
Trace.WriteLine(TraceLevel.Information, "Receiving the message back...");
var receiver = new ReceiverLink(session, "ServiceBus.Cbs:receiver-link", this.Entity);
var message = await receiver.ReceiveAsync();
receiver.Accept(message);
await receiver.CloseAsync();
Trace.WriteLine(TraceLevel.Information, "Closing the connection...");
await session.CloseAsync();
await connection.CloseAsync();
}
public async Task WebSocketSendReceiveAsync()
{
string testName = "WebSocketSendReceiveAsync";
// assuming it matches the broker's setup and port is not taken
Address wsAddress = new Address("ws://*****:*****@localhost:18080");
int nMsgs = 50;
Connection connection = await Connection.Factory.CreateAsync(wsAddress);
Session session = new Session(connection);
SenderLink sender = new SenderLink(session, "sender-" + testName, "q1");
for (int i = 0; i < nMsgs; ++i)
{
Message message = new Message();
message.Properties = new Properties() { MessageId = "msg" + i, GroupId = testName };
message.ApplicationProperties = new ApplicationProperties();
message.ApplicationProperties["sn"] = i;
await sender.SendAsync(message);
}
ReceiverLink receiver = new ReceiverLink(session, "receiver-" + testName, "q1");
for (int i = 0; i < nMsgs; ++i)
{
Message message = await receiver.ReceiveAsync();
Trace.WriteLine(TraceLevel.Information, "receive: {0}", message.ApplicationProperties["sn"]);
receiver.Accept(message);
}
await sender.CloseAsync();
await receiver.CloseAsync();
await session.CloseAsync();
await connection.CloseAsync();
}
public async Task SendMessageToDevice(string messageToDevice)
{
var sender = new SenderLink(session, "sender-link", "/messages/devicebound");
var message = new Message(System.Text.Encoding.UTF8.GetBytes(messageToDevice));
message.Properties = new Properties();
message.Properties.To = $"/devices/{Constants.DeviceId}/messages/devicebound";
message.Properties.MessageId = Guid.NewGuid().ToString();
message.ApplicationProperties = new ApplicationProperties();
message.ApplicationProperties["iothub-ack"] = "full";
await sender.SendAsync(message);
await sender.CloseAsync();
}
async Task SendReceiveAsync(int count)
{
Trace.WriteLine(TraceLevel.Information, "Establishing a connection...");
Connection connection = await Connection.Factory.CreateAsync(this.GetAddress());
Trace.WriteLine(TraceLevel.Information, "Creating a session...");
Session session = new Session(connection);
Trace.WriteLine(TraceLevel.Information, "Creating a sender link...");
SenderLink sender = new SenderLink(session, "sessionful-sender-link", this.Entity);
Trace.WriteLine(TraceLevel.Information, "Sending {0} messages...", count);
for (int i = 0; i < count; i++)
{
Message message = new Message();
message.Properties = new Properties() { MessageId = "topic-test-" + i };
message.BodySection = new Data() { Binary = Encoding.UTF8.GetBytes("message #" + i) };
await sender.SendAsync(message);
}
Trace.WriteLine(TraceLevel.Information, "Closing sender...");
await sender.CloseAsync();
Trace.WriteLine(TraceLevel.Information, "Receiving messages from subscription...");
ReceiverLink receiver = new ReceiverLink(session, "receiver-link", this.Entity + "/Subscriptions/sub1");
for (int i = 0; i < count; i++)
{
Message message = await receiver.ReceiveAsync(30000);
if (message == null)
{
break;
}
receiver.Accept(message);
}
Trace.WriteLine(TraceLevel.Information, "Closing receiver...");
await receiver.CloseAsync();
Trace.WriteLine(TraceLevel.Information, "Shutting down...");
await session.CloseAsync();
await connection.CloseAsync();
}
static async Task Run()
{
string address = "amqp://*****:*****@localhost:5672";
Connection connection = await Connection.Factory.CreateAsync(new Address(address));
Session session = new Session(connection);
SenderLink sender = new SenderLink(session, "test-sender", "q1");
Message message1 = new Message("Hello AMQP!");
await sender.SendAsync(message1);
ReceiverLink receiver = new ReceiverLink(session, "test-receiver", "q1");
Message message2 = await receiver.ReceiveAsync();
Console.WriteLine(message2.GetBody<string>());
receiver.Accept(message2);
await sender.CloseAsync();
await receiver.CloseAsync();
await session.CloseAsync();
await connection.CloseAsync();
}
/// <summary>
/// Sends all of the outgoing messages buffered as part of the transaction context
/// </summary>
protected override async Task SendOutgoingMessages(IEnumerable<OutgoingMessage> outgoingMessages, ITransactionContext context)
{
if (context == null) throw new ArgumentNullException(nameof(context));
foreach (var message in outgoingMessages)
{
if (message.DestinationAddress == null) throw new ArgumentNullException(nameof(message.DestinationAddress));
if (message == null) throw new ArgumentNullException(nameof(message));
if(amqpSession == null) throw new ArgumentNullException(nameof(amqpSession));
var amqpSender = new AmqpLite.SenderLink(amqpSession, "rebus-sender", message.DestinationAddress);
var body = Encoding.UTF8.GetString(message.TransportMessage.Body);
var msg = new AmqpLite.Message(body);
msg.Properties = new AmqpLite.Framing.Properties { MessageId = message.TransportMessage.GetMessageId() };
if (message.TransportMessage.Headers.TryGetValue(Headers.SentTime, out var sentTime))
{
msg.Properties.CreationTime = DateTime.Parse(sentTime);
if (message.TransportMessage.Headers.TryGetValue(Headers.TimeToBeReceived, out var timeToBeReceived))
{
msg.Properties.AbsoluteExpiryTime = msg.Properties.CreationTime + TimeSpan.Parse(timeToBeReceived);
}
}
msg.ApplicationProperties = new AmqpLite.Framing.ApplicationProperties();
foreach (var item in message.TransportMessage.Headers)
{
msg.ApplicationProperties.Map.Add(item.Key, item.Value);
}
await amqpSender.SendAsync(msg);
await amqpSender.CloseAsync();
}
}
public async Task WebSocketSendReceiveAsync()
{
if (Environment.GetEnvironmentVariable("CoreBroker") == "1")
{
// No Websocket listener on .Net Core
return;
}
string testName = "WebSocketSendReceiveAsync";
// assuming it matches the broker's setup and port is not taken
Address wsAddress = new Address(address);
int nMsgs = 50;
ConnectionFactory connectionFactory = new ConnectionFactory(
new TransportProvider[] { new WebSocketTransportFactory() });
Connection connection = await connectionFactory.CreateAsync(wsAddress);
Session session = new Session(connection);
SenderLink sender = new SenderLink(session, "sender-" + testName, "q1");
for (int i = 0; i < nMsgs; ++i)
{
Message message = new Message();
message.Properties = new Properties() { MessageId = "msg" + i, GroupId = testName };
message.ApplicationProperties = new ApplicationProperties();
message.ApplicationProperties["sn"] = i;
await sender.SendAsync(message);
}
ReceiverLink receiver = new ReceiverLink(session, "receiver-" + testName, "q1");
for (int i = 0; i < nMsgs; ++i)
{
Message message = await receiver.ReceiveAsync();
Trace.WriteLine(TraceLevel.Information, "receive: {0}", message.ApplicationProperties["sn"]);
receiver.Accept(message);
}
await sender.CloseAsync();
await receiver.CloseAsync();
await session.CloseAsync();
await connection.CloseAsync();
}
public async Task CustomMessgeBody()
{
string testName = "CustomMessgeBody";
Connection connection = await Connection.Factory.CreateAsync(this.testTarget.Address);
Session session = new Session(connection);
SenderLink sender = new SenderLink(session, "sender-" + testName, testTarget.Path);
Student student = new Student("Tom");
student.Age = 16;
student.Address = new StreetAddress() { FullAddress = "100 Main St. Small Town" };
student.DateOfBirth = new System.DateTime(1988, 5, 1, 1, 2, 3, 100, System.DateTimeKind.Utc);
Message message = new Message(student);
message.Properties = new Properties() { MessageId = "student" };
await sender.SendAsync(message);
ReceiverLink receiver = new ReceiverLink(session, "receiver-" + testName, testTarget.Path);
Message message2 = await receiver.ReceiveAsync();
Trace.WriteLine(TraceLevel.Information, "receive: {0}", message2.Properties);
receiver.Accept(message);
await sender.CloseAsync();
await receiver.CloseAsync();
await session.CloseAsync();
await connection.CloseAsync();
Student student2 = message2.GetBody<Student>();
Assert.AreEqual(student.Age, student2.Age - 1); // incremented in OnDeserialized
Assert.AreEqual(student.DateOfBirth, student2.DateOfBirth);
Assert.AreEqual(student.Address.FullAddress, student2.Address.FullAddress);
}
public async Task LargeMessageSendReceiveAsync()
{
string testName = "LargeMessageSendReceiveAsync";
int nMsgs = 50;
Connection connection = await Connection.Factory.CreateAsync(
this.testTarget.Address, new Open() { ContainerId = "c1", MaxFrameSize = 4096 }, null);
Session session = new Session(connection);
SenderLink sender = new SenderLink(session, "sender-" + testName, testTarget.Path);
int messageSize = 100 * 1024;
for (int i = 0; i < nMsgs; ++i)
{
Message message = new Message(new string('D', messageSize));
message.Properties = new Properties() { MessageId = "msg" + i, GroupId = testName };
message.ApplicationProperties = new ApplicationProperties();
message.ApplicationProperties["sn"] = i;
await sender.SendAsync(message);
}
ReceiverLink receiver = new ReceiverLink(session, "receiver-" + testName, testTarget.Path);
for (int i = 0; i < nMsgs; ++i)
{
Message message = await receiver.ReceiveAsync();
string value = message.GetBody<string>();
Trace.WriteLine(TraceLevel.Information, "receive: {0} body {1}x{2}",
message.ApplicationProperties["sn"], value[0], value.Length);
receiver.Accept(message);
}
await sender.CloseAsync();
await receiver.CloseAsync();
await session.CloseAsync();
await connection.CloseAsync();
}
async static Task<bool> PutCbsToken(Connection connection, string host, string shareAccessSignature, string audience)
{
bool result = true;
Session session = new Session(connection);
string cbsReplyToAddress = "cbs-reply-to";
var cbsSender = new SenderLink(session, "cbs-sender", "$cbs");
var cbsReceiver = new ReceiverLink(session, cbsReplyToAddress, "$cbs");
// construct the put-token message
var request = new Message(shareAccessSignature);
request.Properties = new Properties();
request.Properties.MessageId = Guid.NewGuid().ToString();
request.Properties.ReplyTo = cbsReplyToAddress;
request.ApplicationProperties = new ApplicationProperties();
request.ApplicationProperties["operation"] = "put-token";
request.ApplicationProperties["type"] = "azure-devices.net:sastoken";
request.ApplicationProperties["name"] = audience;
await cbsSender.SendAsync(request);
// receive the response
var response = await cbsReceiver.ReceiveAsync();
if (response == null || response.Properties == null || response.ApplicationProperties == null)
{
result = false;
}
else {
int statusCode = (int)response.ApplicationProperties["status-code"];
string statusCodeDescription = (string)response.ApplicationProperties["status-description"];
if (statusCode != (int)202 && statusCode != (int)200) // !Accepted && !OK
{
result = false;
}
}
// the sender/receiver may be kept open for refreshing tokens
await cbsSender.CloseAsync();
await cbsReceiver.CloseAsync();
await session.CloseAsync();
return result;
}
async Task PutTokenAsync(Connection connection)
{
var session = new Session(connection);
string cbsClientAddress = "cbs-client-reply-to";
var cbsSender = new SenderLink(session, "cbs-sender", "$cbs");
var receiverAttach = new Attach()
{
Source = new Source() { Address = "$cbs" },
Target = new Target() { Address = cbsClientAddress }
};
var cbsReceiver = new ReceiverLink(session, "cbs-receiver", receiverAttach, null);
var sasToken = GetSASToken(this.KeyName, this.KeyValue, string.Format("http://{0}/{1}", this.Namespace, this.Entity), TimeSpan.FromMinutes(20));
Trace.WriteLine(TraceLevel.Information, " sas token: {0}", sasToken);
// construct the put-token message
var request = new Message(sasToken);
request.Properties = new Properties();
request.Properties.MessageId = "1";
request.Properties.ReplyTo = cbsClientAddress;
request.ApplicationProperties = new ApplicationProperties();
request.ApplicationProperties["operation"] = "put-token";
request.ApplicationProperties["type"] = "servicebus.windows.net:sastoken";
request.ApplicationProperties["name"] = string.Format("amqp://{0}/{1}", this.Namespace, this.Entity);
await cbsSender.SendAsync(request);
Trace.WriteLine(TraceLevel.Information, " request: {0}", request.Properties);
Trace.WriteLine(TraceLevel.Information, " request: {0}", request.ApplicationProperties);
// receive the response
var response = await cbsReceiver.ReceiveAsync();
if (response == null || response.Properties == null || response.ApplicationProperties == null)
{
throw new Exception("invalid response received");
}
// validate message properties and status code.
Trace.WriteLine(TraceLevel.Information, " response: {0}", response.Properties);
Trace.WriteLine(TraceLevel.Information, " response: {0}", response.ApplicationProperties);
int statusCode = (int)response.ApplicationProperties["status-code"];
if (statusCode != (int)HttpStatusCode.Accepted && statusCode != (int)HttpStatusCode.OK)
{
throw new Exception("put-token message was not accepted. Error code: " + statusCode);
}
// the sender/receiver may be kept open for refreshing tokens
await cbsSender.CloseAsync();
await cbsReceiver.CloseAsync();
await session.CloseAsync();
}
public async Task BasicSendReceiveAsync()
{
string testName = "BasicSendReceiveAsync";
int nMsgs = 100;
Connection connection = await Connection.Factory.CreateAsync(this.testTarget.Address);
Session session = new Session(connection);
SenderLink sender = new SenderLink(session, "sender-" + testName, testTarget.Path);
for (int i = 0; i < nMsgs; ++i)
{
Message message = new Message();
message.Properties = new Properties() { MessageId = "msg" + i, GroupId = testName };
message.ApplicationProperties = new ApplicationProperties();
message.ApplicationProperties["sn"] = i;
await sender.SendAsync(message);
}
ReceiverLink receiver = new ReceiverLink(session, "receiver-" + testName, testTarget.Path);
for (int i = 0; i < nMsgs; ++i)
{
Message message = await receiver.ReceiveAsync();
Trace.WriteLine(TraceLevel.Information, "receive: {0}", message.ApplicationProperties["sn"]);
receiver.Accept(message);
}
await sender.CloseAsync();
await receiver.CloseAsync();
await session.CloseAsync();
await connection.CloseAsync();
}
