public async Task Send(Message message)
{
try
{
await _retryPolicy.Retry(() => _topicClient.SendAsync(message)).ConfigureAwait(false);
}
catch (InvalidOperationException exception) when(exception.Message.Contains("been consumed"))
{
// this is okay, it means we timed out and upon retry the message was accepted
}
}
Task IRoutingSlipEventPersister.Persist <T>(Guid trackingNumber, T @event)
{
FilterDefinition <RoutingSlipDocument> filterDefinition = Builders <RoutingSlipDocument> .Filter.Eq(x => x.TrackingNumber, trackingNumber);
UpdateDefinition <RoutingSlipDocument> update = Builders <RoutingSlipDocument> .Update.AddToSet(x => x.Events, @event);
return(_retryPolicy.Retry(async() =>
{
var result = await _collection.UpdateOneAsync(filterDefinition, update, new UpdateOptions {
IsUpsert = true
}).ConfigureAwait(false);
if (!result.IsAcknowledged)
{
throw new SaveEventException(trackingNumber, "Write was not acknowledged");
}
if (result.UpsertedId == null)
{
if (result.IsModifiedCountAvailable && result.ModifiedCount != 1)
{
throw new SaveEventException(trackingNumber, $"Multiple documents were modified: {result.ModifiedCount}");
}
}
}));
}
async Task <ConnectionContext> CreateConnection(ISupervisor supervisor)
{
return(await _connectionRetryPolicy.Retry(async() =>
{
if (supervisor.Stopping.IsCancellationRequested)
{
throw new OperationCanceledException($"The connection is stopping and cannot be used: {_configuration.HostAddress}");
}
IConnection connection = null;
try
{
TransportLogMessages.ConnectHost(_configuration.Settings.ToString());
connection = _configuration.Settings.CreateConnection();
return new AmazonSqsConnectionContext(connection, _configuration, _hostTopology, supervisor.Stopped);
}
catch (OperationCanceledException)
{
throw;
}
catch (Exception ex)
{
throw new AmazonSqsConnectException("Connect failed: " + _configuration.Settings, ex);
}
}, supervisor.Stopping).ConfigureAwait(false));
}
async Task Run()
{
while (!IsStopping)
{
await _retryPolicy.Retry(async() =>
{
try
{
_supervisor = _supervisorFactory();
await _context.OnTransportStartup(_supervisor, Stopping).ConfigureAwait(false);
if (IsStopping)
{
return;
}
await _supervisor.Send(_transportPipe, Stopped).ConfigureAwait(false);
}
catch (ConnectionException exception)
{
await NotifyFaulted(exception).ConfigureAwait(false);
throw;
}
catch (OperationCanceledException exception)
{
throw await NotifyFaulted(exception, "ReceiveTransport canceled: ").ConfigureAwait(false);
}
catch (Exception exception)
{
throw await NotifyFaulted(exception, "ReceiveTransport faulted: ").ConfigureAwait(false);
}
}, Stopping).ConfigureAwait(false);
}
}
private static void AttempRetryOnException(String logPrefix, Request request, VolleyError exception)
{
IRetryPolicy retryPolicy = request.GetRetryPolicy();
int oldTimeout = request.GetTimeoutMs();
try
{
retryPolicy.Retry(exception);
}
catch (VolleyError e)
{
request.AddMarker(String.Format("{0}-timeout-giveup[timeout={1}]", logPrefix, oldTimeout));
throw e;
}
request.AddMarker(String.Format("{0}-retry [timeout-{1}]", logPrefix, oldTimeout));
}
async Task <ConnectionContext> CreateConnection(ISupervisor supervisor)
{
return(await _connectionRetryPolicy.Retry(async() =>
{
if (supervisor.Stopping.IsCancellationRequested)
{
throw new OperationCanceledException($"The connection is stopping and cannot be used: {_configuration.Description}");
}
IConnection connection = null;
try
{
TransportLogMessages.ConnectHost(_configuration.Description);
connection = _configuration.Settings.CreateConnection();
connection.Start();
LogContext.Debug?.Log("Connected: {Host} (client-id: {ClientId}, version: {Version})", _configuration.Description,
connection.ClientId, connection.MetaData.NMSVersion);
return new ActiveMqConnectionContext(connection, _configuration, _hostTopology, supervisor.Stopped);
}
catch (OperationCanceledException)
{
connection?.Dispose();
throw;
}
catch (NMSConnectionException ex)
{
connection?.Dispose();
throw new ActiveMqConnectException("Connection exception: " + _configuration.Description, ex);
}
catch (Exception ex)
{
connection?.Dispose();
throw new ActiveMqConnectException("Create Connection Faulted: " + _configuration.Description, ex);
}
}, supervisor.Stopping).ConfigureAwait(false));
}
async Task <ConnectionContext> CreateConnection(IAsyncPipeContextAgent <ConnectionContext> asyncContext, IAgent supervisor)
{
return(await _connectionRetryPolicy.Retry(async() =>
{
if (supervisor.Stopping.IsCancellationRequested)
{
throw new OperationCanceledException($"The connection is stopping and cannot be used: {_configuration.HostAddress}");
}
IConnection connection = null;
try
{
TransportLogMessages.ConnectHost(_configuration.Settings.ToString());
connection = _configuration.Settings.CreateConnection();
var connectionContext = new AmazonSqsConnectionContext(connection, _configuration, _hostTopology, supervisor.Stopped);
await asyncContext.Created(connectionContext).ConfigureAwait(false);
return connectionContext;
}
catch (OperationCanceledException)
{
await asyncContext.CreateCanceled().ConfigureAwait(false);
throw;
}
catch (Exception ex)
{
LogContext.Error?.Log(ex, "Amazon SQS connection failed");
await asyncContext.CreateFaulted(ex).ConfigureAwait(false);
throw new AmazonSqsConnectException("Connect failed: " + _configuration.Settings, ex);
}
}));
}
public Task Send(BrokeredMessage message)
{
return(_retryPolicy.Retry(() => _queueClient.SendAsync(message)));
}
IEnumerator IEnumerable.GetEnumerator()
{
return(_retryPolicy.Retry(() => _queryable.GetEnumerator()));
}
public static void Retry(this IRetryPolicy retryPolicy, Action action)
{
retryPolicy.Retry <object>(() => { action(); return(null); });
}
public static void SubmitChangesRetry(this DataContext dataContext, ConflictMode failureMode, IRetryPolicy retryPolicy)
{
retryPolicy.Retry(() => dataContext.SubmitChanges(failureMode));
}
public static void ExecuteCommandRetry(this DataContext dataContext, IRetryPolicy retryPolicy, string command, params object[] parameters)
{
retryPolicy.Retry(() => dataContext.ExecuteCommand(command, parameters));
}
public static void SubmitChangesRetry(this DataContext dataContext, IRetryPolicy retryPolicy)
{
retryPolicy.Retry(() => dataContext.SubmitChanges());
}
async Task <ConnectionContext> CreateConnection(ISupervisor supervisor)
{
return(await _connectionRetryPolicy.Retry(async() =>
{
if (supervisor.Stopping.IsCancellationRequested)
{
throw new OperationCanceledException($"The connection is stopping and cannot be used: {_description}");
}
IConnection connection = null;
try
{
TransportLogMessages.ConnectHost(_description);
if (_configuration.Settings.EndpointResolver != null)
{
connection = _connectionFactory.Value.CreateConnection(_configuration.Settings.EndpointResolver,
_configuration.Settings.ClientProvidedName);
}
else
{
var hostNames = new List <string>(1)
{
_configuration.Settings.Host
};
connection = _connectionFactory.Value.CreateConnection(hostNames, _configuration.Settings.ClientProvidedName);
}
LogContext.Debug?.Log("Connected: {Host} (address: {RemoteAddress}, local: {LocalAddress})", _description, connection.Endpoint,
connection.LocalPort);
var connectionContext = new RabbitMqConnectionContext(connection, _configuration, _hostTopology, _description, supervisor.Stopped);
connectionContext.GetOrAddPayload(() => _configuration.Settings);
return (ConnectionContext)connectionContext;
}
catch (ConnectFailureException ex)
{
connection?.Dispose();
throw new RabbitMqConnectionException("Connect failed: " + _description, ex);
}
catch (BrokerUnreachableException ex)
{
connection?.Dispose();
throw new RabbitMqConnectionException("Broker unreachable: " + _description, ex);
}
catch (OperationInterruptedException ex)
{
connection?.Dispose();
throw new RabbitMqConnectionException("Operation interrupted: " + _description, ex);
}
catch (OperationCanceledException)
{
throw;
}
catch (Exception ex)
{
connection?.Dispose();
throw new RabbitMqConnectionException("Create Connection Faulted: " + _description, ex);
}
}, supervisor.Stopping).ConfigureAwait(false));
}
// The Execute method executes queries that return a single value (instead of an enumerable sequence of values).
// Expression trees that represent queries that return enumerable results are executed when their associated IQueryable object is enumerated.
// From http://msdn.microsoft.com/en-us/library/bb535032(v=vs.100).aspx
public object Execute(Expression expression)
{
return(_retryPolicy.Retry(() => _queryProvider.Execute(expression)));
}
