src/mgr/Response.cc

   1 /*
   2  * Copyright (C) 1996-2015 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 16    Cache Manager API */
  10
  11 #include "squid.h"
  12 #include "base/TextException.h"
  13 #include "CacheManager.h"
  14 #include "ipc/Messages.h"
  15 #include "ipc/TypedMsgHdr.h"
  16 #include "mgr/ActionCreator.h"
  17 #include "mgr/ActionProfile.h"
  18 #include "mgr/Response.h"
  19
  20 Mgr::Response::Response(unsigned int aRequestId, Action::Pointer anAction):
  21     Ipc::Response(aRequestId), action(anAction)
  22 {
  23     Must(!action || action->name()); // if there is an action, it must be named
  24 }
  25
  26 Mgr::Response::Response(const Response& response):
  27     Ipc::Response(response.requestId), action(response.action)
  28 {
  29 }
  30
  31 Mgr::Response::Response(const Ipc::TypedMsgHdr& msg):
  32     Ipc::Response(0)
  33 {
  34     msg.checkType(Ipc::mtCacheMgrResponse);
  35     msg.getPod(requestId);
  36     Must(requestId != 0);
  37
  38     if (msg.hasMoreData()) {
  39         String actionName;
  40         msg.getString(actionName);
  41         action = CacheManager::GetInstance()->createNamedAction(actionName.termedBuf());
  42         Must(hasAction());
  43         action->unpack(msg);
  44     }
  45 }
  46
  47 void
  48 Mgr::Response::pack(Ipc::TypedMsgHdr& msg) const
  49 {
  50     Must(requestId != 0);
  51     msg.setType(Ipc::mtCacheMgrResponse);
  52     msg.putPod(requestId);
  53     if (hasAction()) {
  54         msg.putString(action->name());
  55         action->pack(msg);
  56     }
  57 }
  58
  59 Ipc::Response::Pointer
  60 Mgr::Response::clone() const
  61 {
  62     return new Response(*this);
  63 }
  64
  65 bool
  66 Mgr::Response::hasAction() const
  67 {
  68     return action != NULL;
  69 }
  70
  71 const Mgr::Action&
  72 Mgr::Response::getAction() const
  73 {
  74     Must(hasAction());
  75     return *action;
  76 }
  77