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 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 static void OnWrite(IAsyncResult result) { if (!result.CompletedSynchronously) { MultiAsyncResult multiResult = (MultiAsyncResult)result.AsyncState; try { SmtpConnection conn = (SmtpConnection)multiResult.Context; conn.EndFlush(result); multiResult.Leave(); } catch (Exception e) { multiResult.Leave(e); } } }