src/ipc/Request.h

   1 /*
   2  * Copyright (C) 1996-2017 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 /* DEBUG: section 54    Interprocess Communication */
  10
  11 #ifndef SQUID_IPC_REQUEST_H
  12 #define SQUID_IPC_REQUEST_H
  13
  14 #include "base/RefCount.h"
  15 #include "ipc/forward.h"
  16
  17 namespace Ipc
  18 {
  19
  20 /// IPC request
  21 class Request: public RefCountable
  22 {
  23 public:
  24     typedef RefCount<Request> Pointer;
  25
  26 public:
  27     Request(int aRequestorId, unsigned int aRequestId):
  28         requestorId(aRequestorId), requestId(aRequestId) {}
  29
  30     virtual void pack(TypedMsgHdr& msg) const = 0; ///< prepare for sendmsg()
  31     virtual Pointer clone() const = 0; ///< returns a copy of this
  32
  33 private:
  34     Request(const Request&); // not implemented
  35     Request& operator= (const Request&); // not implemented
  36
  37 public:
  38     int requestorId; ///< kidId of the requestor; used for response destination
  39     unsigned int requestId; ///< unique for sender; matches request w/ response
  40 };
  41
  42 } // namespace Ipc
  43
  44 #endif /* SQUID_IPC_REQUEST_H */
  45