src/ipc/StartListening.h

   1 /*
   2  * $Id$
   3  *
   4  * DEBUG: section 54    Interprocess Communication
   5  *
   6  */
   7
   8 #ifndef SQUID_IPC_START_LISTENING_H
   9 #define SQUID_IPC_START_LISTENING_H
  10
  11 #include "config.h"
  12 #include "ip/forward.h"
  13 #include "ipc/FdNotes.h"
  14 #include "base/AsyncCall.h"
  15
  16 #if HAVE_IOSFWD
  17 #include <iosfwd>
  18 #endif
  19
  20 namespace Ipc
  21 {
  22
  23 /// common API for all StartListening() callbacks
  24 class StartListeningCb
  25 {
  26 public:
  27     StartListeningCb();
  28     virtual ~StartListeningCb();
  29
  30     /// starts printing arguments, return os
  31     std::ostream &startPrint(std::ostream &os) const;
  32
  33 public:
  34     int fd; ///< opened listening socket or -1
  35     int errNo; ///< errno value from the comm_open_listener() call
  36 };
  37
  38 /// Depending on whether SMP is on, either ask Coordinator to send us
  39 /// the listening FD or call comm_open_listener() directly.
  40 extern void StartListening(int sock_type, int proto, Ip::Address &addr,
  41                            int flags, FdNoteId fdNote, AsyncCall::Pointer &callback);
  42
  43 } // namespace Ipc;
  44
  45
  46 #endif /* SQUID_IPC_START_LISTENING_H */