internal static IAsyncResult BeginSend(SmtpConnection conn, AsyncCallback callback, object state)
{
MultiAsyncResult multiResult = new MultiAsyncResult(conn, callback, state);
multiResult.Enter();
IAsyncResult writeResult = conn.BeginFlush(s_onWrite, multiResult);
if (writeResult.CompletedSynchronously)
{
conn.EndFlush(writeResult);
multiResult.Leave();
}
SmtpReplyReader reader = conn.Reader.GetNextReplyReader();
multiResult.Enter();
//this actually does a read on the stream.
IAsyncResult result = reader.BeginReadLine(s_onReadLine, multiResult);
if (result.CompletedSynchronously)
{
LineInfo info = reader.EndReadLine(result);
if (!(multiResult.Result is Exception))
{
multiResult.Result = info;
}
multiResult.Leave();
}
multiResult.CompleteSequence();
return(multiResult);
}
internal static IAsyncResult BeginSend(SmtpConnection conn, AsyncCallback callback, object state)
{
MultiAsyncResult result = new MultiAsyncResult(conn, callback, state);
result.Enter();
IAsyncResult result2 = conn.BeginFlush(onWrite, result);
if (result2.CompletedSynchronously)
{
conn.EndFlush(result2);
result.Leave();
}
SmtpReplyReader nextReplyReader = conn.Reader.GetNextReplyReader();
result.Enter();
IAsyncResult result3 = nextReplyReader.BeginReadLine(onReadLine, result);
if (result3.CompletedSynchronously)
{
LineInfo info = nextReplyReader.EndReadLine(result3);
if (!(result.Result is Exception))
{
result.Result = info;
}
result.Leave();
}
result.CompleteSequence();
return(result);
}
internal static IAsyncResult BeginSend(SmtpConnection conn, AsyncCallback callback, object state)
{
MultiAsyncResult multiResult = new MultiAsyncResult(conn, callback, state);
multiResult.Enter();
IAsyncResult writeResult = conn.BeginFlush(s_onWrite, multiResult);
if (writeResult.CompletedSynchronously)
{
conn.EndFlush(writeResult);
multiResult.Leave();
}
SmtpReplyReader reader = conn.Reader.GetNextReplyReader();
multiResult.Enter();
IAsyncResult readLinesResult = reader.BeginReadLines(s_onReadLines, multiResult);
if (readLinesResult.CompletedSynchronously)
{
LineInfo[] lines = conn.Reader.CurrentReader.EndReadLines(readLinesResult);
if (!(multiResult.Result is Exception))
{
multiResult.Result = lines;
}
multiResult.Leave();
}
multiResult.CompleteSequence();
return(multiResult);
}
private void Flush(MultiAsyncResult multiResult)
{
if (this.bufferBuilder.Length > 0)
{
if (multiResult != null)
{
multiResult.Enter();
IAsyncResult asyncResult = this.stream.BeginWrite(this.bufferBuilder.GetBuffer(), 0, this.bufferBuilder.Length, onWrite, multiResult);
if (asyncResult.CompletedSynchronously)
{
this.stream.EndWrite(asyncResult);
multiResult.Leave();
}
}
else
{
this.stream.Write(this.bufferBuilder.GetBuffer(), 0, this.bufferBuilder.Length);
}
this.bufferBuilder.Reset();
}
}
