/// <summary>
///
/// </summary>
/// <param name="amqpRequestMessage"></param>
/// <param name="timeout"></param>
/// <returns></returns>
internal async Task <AmqpResponseMessage> ExecuteRequestResponseAsync(
AmqpRequestMessage amqpRequestMessage,
TimeSpan timeout)
{
var amqpMessage = amqpRequestMessage.AmqpMessage;
ArraySegment <byte> transactionId = AmqpConstants.NullBinary;
//var ambientTransaction = Transaction.Current;
//if (ambientTransaction != null)
//{
// transactionId = await AmqpTransactionManager.Instance.EnlistAsync(ambientTransaction, this.ServiceBusConnection).ConfigureAwait(false);
//}
if (!ManagementLink.TryGetOpenedObject(out var requestResponseAmqpLink))
{
// MessagingEventSource.Log.CreatingNewLink(this.ClientId, this.isSessionReceiver, this.SessionIdInternal, true, this.LinkException);
requestResponseAmqpLink = await ManagementLink.GetOrCreateAsync(timeout).ConfigureAwait(false);
}
var responseAmqpMessage = await Task.Factory.FromAsync(
(c, s) => requestResponseAmqpLink.BeginRequest(amqpMessage, transactionId, timeout, c, s),
(a) => requestResponseAmqpLink.EndRequest(a),
this).ConfigureAwait(false);
return(AmqpResponseMessage.CreateResponse(responseAmqpMessage));
}
/// <summary>
///
/// </summary>
/// <param name="sequenceNumber"></param>
/// <param name="retryPolicy"></param>
/// <param name="receiveLinkName"></param>
/// <param name="timeout"></param>
/// <param name="cancellationToken"></param>
/// <returns></returns>
internal async Task CancelScheduledMessageInternal(
long sequenceNumber,
ServiceBusRetryPolicy retryPolicy,
string receiveLinkName,
TimeSpan timeout,
CancellationToken cancellationToken = default)
{
var stopWatch = Stopwatch.StartNew();
var request = AmqpRequestMessage.CreateRequest(
ManagementConstants.Operations.CancelScheduledMessageOperation,
timeout,
null);
if (receiveLinkName != null)
{
request.AmqpMessage.ApplicationProperties.Map[ManagementConstants.Request.AssociatedLinkName] = receiveLinkName;
}
request.Map[ManagementConstants.Properties.SequenceNumbers] = new[] { sequenceNumber };
RequestResponseAmqpLink link = await ManagementLink.GetOrCreateAsync(
UseMinimum(ConnectionScope.SessionTimeout,
timeout.CalculateRemaining(stopWatch.Elapsed)))
.ConfigureAwait(false);
using AmqpMessage response = await link.RequestAsync(
request.AmqpMessage,
timeout.CalculateRemaining(stopWatch.Elapsed))
.ConfigureAwait(false);
cancellationToken.ThrowIfCancellationRequested <TaskCanceledException>();
stopWatch.Stop();
AmqpResponseMessage amqpResponseMessage = AmqpResponseMessage.CreateResponse(response);
if (amqpResponseMessage.StatusCode != AmqpResponseStatusCode.OK)
{
throw new Exception();
//throw response.ToMessagingContractException();
}
return;
}
/// <summary>
/// Closes the connection to the transport client instance.
/// </summary>
///
/// <param name="cancellationToken">An optional <see cref="CancellationToken"/> instance to signal the request to cancel the operation.</param>
///
public override async Task CloseAsync(CancellationToken cancellationToken)
{
if (_closed)
{
return;
}
_closed = true;
var clientId = GetHashCode().ToString();
var clientType = GetType();
try
{
//ServiceBusEventSource.Log.ClientCloseStart(clientType, EntityName, clientId);
cancellationToken.ThrowIfCancellationRequested <TaskCanceledException>();
if (ManagementLink?.TryGetOpenedObject(out var _) == true)
{
cancellationToken.ThrowIfCancellationRequested <TaskCanceledException>();
await ManagementLink.CloseAsync().ConfigureAwait(false);
}
ManagementLink?.Dispose();
ConnectionScope?.Dispose();
}
catch (Exception)
{
_closed = false;
//ServiceBusEventSource.Log.ClientCloseError(clientType, EntityName, clientId, ex.Message);
throw;
}
finally
{
//ServiceBusEventSource.Log.ClientCloseComplete(clientType, EntityName, clientId);
}
}
/// <summary>
///
/// </summary>
/// <param name="message"></param>
/// <param name="retryPolicy"></param>
/// <param name="receiveLinkName"></param>
/// <param name="timeout"></param>
/// <param name="cancellationToken"></param>
/// <returns></returns>
internal async Task <long> ScheduleMessageInternal(
ServiceBusMessage message,
ServiceBusRetryPolicy retryPolicy,
string receiveLinkName,
TimeSpan timeout,
CancellationToken cancellationToken = default)
{
var stopWatch = Stopwatch.StartNew();
using (AmqpMessage amqpMessage = AmqpMessageConverter.SBMessageToAmqpMessage(message))
{
var request = AmqpRequestMessage.CreateRequest(
ManagementConstants.Operations.ScheduleMessageOperation,
timeout,
null);
if (receiveLinkName != null)
{
request.AmqpMessage.ApplicationProperties.Map[ManagementConstants.Request.AssociatedLinkName] = receiveLinkName;
}
ArraySegment <byte>[] payload = amqpMessage.GetPayload();
var 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] = message.MessageId;
if (!string.IsNullOrWhiteSpace(message.SessionId))
{
entry[ManagementConstants.Properties.SessionId] = message.SessionId;
}
if (!string.IsNullOrWhiteSpace(message.PartitionKey))
{
entry[ManagementConstants.Properties.PartitionKey] = message.PartitionKey;
}
if (!string.IsNullOrWhiteSpace(message.ViaPartitionKey))
{
entry[ManagementConstants.Properties.ViaPartitionKey] = message.ViaPartitionKey;
}
}
request.Map[ManagementConstants.Properties.Messages] = new List <AmqpMap> {
entry
};
RequestResponseAmqpLink link = await ManagementLink.GetOrCreateAsync(
UseMinimum(ConnectionScope.SessionTimeout,
timeout.CalculateRemaining(stopWatch.Elapsed)))
.ConfigureAwait(false);
using AmqpMessage response = await link.RequestAsync(
request.AmqpMessage,
timeout.CalculateRemaining(stopWatch.Elapsed))
.ConfigureAwait(false);
cancellationToken.ThrowIfCancellationRequested <TaskCanceledException>();
stopWatch.Stop();
AmqpResponseMessage amqpResponseMessage = AmqpResponseMessage.CreateResponse(response);
if (amqpResponseMessage.StatusCode == AmqpResponseStatusCode.OK)
{
var sequenceNumbers = amqpResponseMessage.GetValue <long[]>(ManagementConstants.Properties.SequenceNumbers);
if (sequenceNumbers == null || sequenceNumbers.Length < 1)
{
throw new ServiceBusException(true, "Could not schedule message successfully.");
}
return(sequenceNumbers[0]);
}
else
{
throw new Exception();
//throw response.ToMessagingContractException();
}
}
}
/// <summary>
///
/// </summary>
/// <param name="retryPolicy"></param>
/// <param name="fromSequenceNumber"></param>
/// <param name="messageCount"></param>
/// <param name="sessionId"></param>
/// <param name="receiveLinkName"></param>
/// <param name="timeout"></param>
/// <param name="cancellationToken"></param>
/// <returns></returns>
internal async Task <IEnumerable <ServiceBusMessage> > PeekInternal(
ServiceBusRetryPolicy retryPolicy,
long?fromSequenceNumber,
int messageCount,
string sessionId,
string receiveLinkName,
TimeSpan timeout,
CancellationToken cancellationToken = default)
{
var stopWatch = new Stopwatch();
stopWatch.Start();
AmqpRequestMessage amqpRequestMessage = AmqpRequestMessage.CreateRequest(
ManagementConstants.Operations.PeekMessageOperation,
timeout,
null);
await AquireAccessTokenAsync(cancellationToken).ConfigureAwait(false);
if (receiveLinkName != null)
{
// include associated link for service optimization
amqpRequestMessage.AmqpMessage.ApplicationProperties.Map[ManagementConstants.Request.AssociatedLinkName] = receiveLinkName;
}
amqpRequestMessage.Map[ManagementConstants.Properties.FromSequenceNumber] = fromSequenceNumber ?? LastPeekedSequenceNumber + 1;
amqpRequestMessage.Map[ManagementConstants.Properties.MessageCount] = messageCount;
if (!string.IsNullOrWhiteSpace(sessionId))
{
amqpRequestMessage.Map[ManagementConstants.Properties.SessionId] = sessionId;
}
RequestResponseAmqpLink link = await ManagementLink.GetOrCreateAsync(
UseMinimum(ConnectionScope.SessionTimeout,
timeout.CalculateRemaining(stopWatch.Elapsed)))
.ConfigureAwait(false);
cancellationToken.ThrowIfCancellationRequested <TaskCanceledException>();
using AmqpMessage responseAmqpMessage = await link.RequestAsync(
amqpRequestMessage.AmqpMessage,
timeout.CalculateRemaining(stopWatch.Elapsed))
.ConfigureAwait(false);
cancellationToken.ThrowIfCancellationRequested <TaskCanceledException>();
AmqpResponseMessage amqpResponseMessage = AmqpResponseMessage.CreateResponse(responseAmqpMessage);
var messages = new List <ServiceBusMessage>();
//AmqpError.ThrowIfErrorResponse(responseAmqpMessage, EntityName);
if (amqpResponseMessage.StatusCode == AmqpResponseStatusCode.OK)
{
ServiceBusMessage message = null;
IEnumerable <AmqpMap> messageList = amqpResponseMessage.GetListValue <AmqpMap>(ManagementConstants.Properties.Messages);
foreach (AmqpMap entry in messageList)
{
var payload = (ArraySegment <byte>)entry[ManagementConstants.Properties.Message];
var amqpMessage = AmqpMessage.CreateAmqpStreamMessage(new BufferListStream(new[] { payload }), true);
message = AmqpMessageConverter.AmqpMessageToSBMessage(amqpMessage, true);
messages.Add(message);
}
if (message != null)
{
LastPeekedSequenceNumber = message.SystemProperties.SequenceNumber;
}
return(messages);
}
if (amqpResponseMessage.StatusCode == AmqpResponseStatusCode.NoContent ||
(amqpResponseMessage.StatusCode == AmqpResponseStatusCode.NotFound && Equals(AmqpClientConstants.MessageNotFoundError, amqpResponseMessage.GetResponseErrorCondition())))
{
return(messages);
}
// TODO throw correct exception
throw new Exception();
}
/// <summary>
///
/// </summary>
/// <param name="message"></param>
/// <param name="retryPolicy"></param>
/// <param name="receiveLinkName"></param>
/// <param name="cancellationToken"></param>
/// <returns></returns>
public override async Task <long> ScheduleMessageAsync(
ServiceBusMessage message,
ServiceBusRetryPolicy retryPolicy,
string receiveLinkName = null,
CancellationToken cancellationToken = default)
{
var failedAttemptCount = 0;
var stopWatch = Stopwatch.StartNew();
try
{
TimeSpan tryTimeout = retryPolicy.CalculateTryTimeout(0);
while (!cancellationToken.IsCancellationRequested)
{
try
{
using (AmqpMessage amqpMessage = AmqpMessageConverter.SBMessageToAmqpMessage(message))
{
var request = AmqpRequestMessage.CreateRequest(
ManagementConstants.Operations.ScheduleMessageOperation,
tryTimeout,
null);
if (receiveLinkName != null)
{
request.AmqpMessage.ApplicationProperties.Map[ManagementConstants.Request.AssociatedLinkName] = receiveLinkName;
}
ArraySegment <byte>[] payload = amqpMessage.GetPayload();
var 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] = message.MessageId;
if (!string.IsNullOrWhiteSpace(message.SessionId))
{
entry[ManagementConstants.Properties.SessionId] = message.SessionId;
}
if (!string.IsNullOrWhiteSpace(message.PartitionKey))
{
entry[ManagementConstants.Properties.PartitionKey] = message.PartitionKey;
}
if (!string.IsNullOrWhiteSpace(message.ViaPartitionKey))
{
entry[ManagementConstants.Properties.ViaPartitionKey] = message.ViaPartitionKey;
}
}
request.Map[ManagementConstants.Properties.Messages] = new List <AmqpMap> {
entry
};
RequestResponseAmqpLink link = await ManagementLink.GetOrCreateAsync(
UseMinimum(ConnectionScope.SessionTimeout,
tryTimeout.CalculateRemaining(stopWatch.Elapsed)))
.ConfigureAwait(false);
using AmqpMessage response = await link.RequestAsync(
request.AmqpMessage,
tryTimeout.CalculateRemaining(stopWatch.Elapsed))
.ConfigureAwait(false);
cancellationToken.ThrowIfCancellationRequested <TaskCanceledException>();
stopWatch.Stop();
AmqpResponseMessage amqpResponseMessage = AmqpResponseMessage.CreateResponse(response);
if (amqpResponseMessage.StatusCode == AmqpResponseStatusCode.OK)
{
var sequenceNumbers = amqpResponseMessage.GetValue <long[]>(ManagementConstants.Properties.SequenceNumbers);
if (sequenceNumbers == null || sequenceNumbers.Length < 1)
{
throw new ServiceBusException(true, "Could not schedule message successfully.");
}
return(sequenceNumbers[0]);
}
else
{
throw new Exception();
//throw response.ToMessagingContractException();
}
}
}
catch (Exception ex)
{
// Determine if there should be a retry for the next attempt; if so enforce the delay but do not quit the loop.
// Otherwise, mark the exception as active and break out of the loop.
++failedAttemptCount;
TimeSpan?retryDelay = retryPolicy.CalculateRetryDelay(ex, failedAttemptCount);
if (retryDelay.HasValue && !ConnectionScope.IsDisposed && !cancellationToken.IsCancellationRequested)
{
ServiceBusEventSource.Log.ScheduleMessageError(EntityName, ex.Message);
await Task.Delay(retryDelay.Value, cancellationToken).ConfigureAwait(false);
tryTimeout = retryPolicy.CalculateTryTimeout(failedAttemptCount);
stopWatch.Reset();
}
}
}
// If no value has been returned nor exception thrown by this point,
// then cancellation has been requested.
throw new TaskCanceledException();
}
catch (Exception ex)
{
ServiceBusEventSource.Log.ScheduleMessageError(EntityName, ex.Message);
throw;
}
finally
{
stopWatch.Stop();
ServiceBusEventSource.Log.ScheduleMessageComplete(EntityName);
}
}
/// <summary>
///
/// </summary>
/// <param name="sequenceNumber"></param>
/// <param name="retryPolicy"></param>
/// <param name="receiveLinkName"></param>
/// <param name="cancellationToken"></param>
/// <returns></returns>
public override async Task CancelScheduledMessageAsync(
long sequenceNumber,
ServiceBusRetryPolicy retryPolicy,
string receiveLinkName = null,
CancellationToken cancellationToken = default)
{
var failedAttemptCount = 0;
var stopWatch = Stopwatch.StartNew();
try
{
var tryTimeout = retryPolicy.CalculateTryTimeout(0);
while (!cancellationToken.IsCancellationRequested)
{
try
{
var request = AmqpRequestMessage.CreateRequest(
ManagementConstants.Operations.CancelScheduledMessageOperation,
tryTimeout,
null);
if (receiveLinkName != null)
{
request.AmqpMessage.ApplicationProperties.Map[ManagementConstants.Request.AssociatedLinkName] = receiveLinkName;
}
request.Map[ManagementConstants.Properties.SequenceNumbers] = new[] { sequenceNumber };
RequestResponseAmqpLink link = await ManagementLink.GetOrCreateAsync(
UseMinimum(ConnectionScope.SessionTimeout,
tryTimeout.CalculateRemaining(stopWatch.Elapsed)))
.ConfigureAwait(false);
using AmqpMessage response = await link.RequestAsync(
request.AmqpMessage,
tryTimeout.CalculateRemaining(stopWatch.Elapsed))
.ConfigureAwait(false);
cancellationToken.ThrowIfCancellationRequested <TaskCanceledException>();
stopWatch.Stop();
AmqpResponseMessage amqpResponseMessage = AmqpResponseMessage.CreateResponse(response);
if (amqpResponseMessage.StatusCode != AmqpResponseStatusCode.OK)
{
throw new Exception();
//throw response.ToMessagingContractException();
}
return;
}
catch (Exception ex)
{
// Determine if there should be a retry for the next attempt; if so enforce the delay but do not quit the loop.
// Otherwise, mark the exception as active and break out of the loop.
++failedAttemptCount;
TimeSpan?retryDelay = retryPolicy.CalculateRetryDelay(ex, failedAttemptCount);
if (retryDelay.HasValue && !ConnectionScope.IsDisposed && !cancellationToken.IsCancellationRequested)
{
ServiceBusEventSource.Log.CancelScheduledMessageError(EntityName, ex.Message);
await Task.Delay(retryDelay.Value, cancellationToken).ConfigureAwait(false);
tryTimeout = retryPolicy.CalculateTryTimeout(failedAttemptCount);
stopWatch.Reset();
}
else
{
throw ex;
}
}
}
// If no value has been returned nor exception thrown by this point,
// then cancellation has been requested.
throw new TaskCanceledException();
}
catch (Exception ex)
{
ServiceBusEventSource.Log.CancelScheduledMessageError(EntityName, ex.Message);
throw;
}
finally
{
stopWatch.Stop();
ServiceBusEventSource.Log.CancelScheduledMessageComplete(EntityName);
}
}
