src/HttpControlMsg.cc

   1 /*
   2  * Copyright (C) 1996-2020 The Squid Software Foundation and contributors
   3  *
   4  * Squid software is distributed under GPLv2+ license and includes
   5  * contributions from numerous individuals and organizations.
   6  * Please see the COPYING and CONTRIBUTORS files for details.
   7  */
   8
   9 #include "squid.h"
  10 #include "comm/Flag.h"
  11 #include "CommCalls.h"
  12 #include "HttpControlMsg.h"
  13
  14 void
  15 HttpControlMsgSink::doneWithControlMsg()
  16 {
  17     if (cbControlMsgSent) {
  18         ScheduleCallHere(cbControlMsgSent);
  19         cbControlMsgSent = nullptr;
  20     }
  21 }
  22
  23 /// called when we wrote the 1xx response
  24 void
  25 HttpControlMsgSink::wroteControlMsg(const CommIoCbParams &params)
  26 {
  27     if (params.flag == Comm::ERR_CLOSING)
  28         return;
  29
  30     if (params.flag == Comm::OK) {
  31         doneWithControlMsg();
  32         return;
  33     }
  34
  35     debugs(33, 3, "1xx writing failed: " << xstrerr(params.xerrno));
  36     // no error notification: see HttpControlMsg.h for rationale and
  37     // note that some errors are detected elsewhere (e.g., close handler)
  38
  39     // close on 1xx errors to be conservative and to simplify the code
  40     // (if we do not close, we must notify the source of a failure!)
  41     params.conn->close();
  42
  43     // XXX: writeControlMsgAndCall() should handle writer-specific writing
  44     // results, including errors and then call us with success/failure outcome.
  45 }
  46