/// <summary>
/// Send a message to the Receivers. This is (partly) a blocking function.
/// </summary>
/// <param name="message">
/// If the given object is a byte array, it will not be serialized. Otherwise, the object will be serialized using a binary formatter.
/// </param>
public void Send(object message)
{
lock (_lock)
try {
if (!IsDisposed)
{
SetTcpSenders();
BeforeMessageSent?.Invoke(this, new MessageEventArgs()
{
Handle = Handle, Message = message, RemoteEndPoints = _tcpSenders.Values.ToArray()
});
if (_tcpSenders.Count != 0)
{
if (Buffered)
{
if (message.GetHashCode() != _hashcode)
{
_bytes = SerializeMessage(message);
_hashcode = message.GetHashCode();
}
Parallel.ForEach(_tcpSenders, (kvp) => Send(kvp.Key, kvp.Value, _bytes));
}
else
{
Parallel.ForEach(_tcpSenders, (kvp) => Send(kvp.Key, kvp.Value, SerializeMessage(message)));
}
}
AfterMessageSent?.Invoke(this, new MessageEventArgs()
{
Handle = Handle, Message = message, RemoteEndPoints = _tcpSenders.Values.ToArray()
});
}
}
catch (Exception ex) {
if (!IsDisposed && OnSendFailed != null)
{
OnSendFailed(this, new ErrorEventArgs(ex));
}
}
}
/// <inheritdoc cref="IMailClient.SendAsync(IMessageBuilder, IDataRecord, IEnumerable{IMessageMutator}, CancellationToken)"/>
protected virtual async Task <(MimeMessage?Message, bool Stop)> SendAsyncImpl(IMessageBuilder messageBuilder, IDataRecord record, IEnumerable <IMessageMutator> messageMutators, IFormatProvider formatProvider, int index, int count, CancellationToken cancellationToken)
{
IMessageBuilder message = messageBuilder.Clone();
FormatMessage(message, record, formatProvider);
foreach (IMessageMutator mutator in messageMutators)
{
try
{
message = mutator.Mutate(message, record);
}
catch (Exception e)
{
MessageMutationErrorEventArgs errorArgs = new MessageMutationErrorEventArgs(message, mutator, e);
MessageMutationError?.Invoke(this, errorArgs);
if (errorArgs.Stop)
{
return(null, true);
}
else if (errorArgs.Skip)
{
MessageProcessed?.Invoke(this, new MessageProcessedEventArgs(message.ToMessage(), index, count, ProcessedType.Skipped));
return(null, false);
}
else if (errorArgs.SkipMutation)
{
continue;
}
throw;
}
}
BeforeMessageSentEventArgs beforeArgs = new BeforeMessageSentEventArgs(message);
BeforeMessageSent?.Invoke(this, beforeArgs);
if (beforeArgs.Stop)
{
return(null, true);
}
else if (beforeArgs.Skip)
{
MessageProcessed?.Invoke(this, new MessageProcessedEventArgs(message.ToMessage(), index, count, ProcessedType.Skipped));
return(null, false);
}
MimeMessage result = message.ToMessage();
int attempt = 0;
while (true)
{
try
{
ITransferProgress transferProgress = new TransferProgress((bytesTransferred, totalSize) =>
MessageTransferProgress?.Invoke(this, new MessageTransferProgressEventArgs(result, bytesTransferred, totalSize)));
await Client.SendAsync(result, cancellationToken, progress : transferProgress).ConfigureAwait(false);
MessageSent?.Invoke(this, new MessageSentEventArgs(result));
MessageProcessed?.Invoke(this, new MessageProcessedEventArgs(result, index, count, ProcessedType.Sent));
return(result, false);
}
catch (Exception e)
{
MessageTransferErrorEventArgs errorArgs = new MessageTransferErrorEventArgs(result, e, ++attempt);
MessageTransferError?.Invoke(this, errorArgs);
if (errorArgs.Stop)
{
return(null, true);
}
else if (errorArgs.Skip)
{
MessageProcessed?.Invoke(this, new MessageProcessedEventArgs(result, index, count, ProcessedType.Skipped));
return(null, false);
}
else if (errorArgs.Retry)
{
continue;
}
throw;
}
}
}
