src/ipc/StartListening.h

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