LCOV - code coverage report
Current view: top level - ipc/glue - IPCStreamParent.cpp (source / functions) Hit Total Coverage
Test: output.info Lines: 0 87 0.0 %
Date: 2017-07-14 16:53:18 Functions: 0 25 0.0 %
Legend: Lines: hit not hit

          Line data    Source code
       1             : /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
       2             : /* vim: set ts=8 sts=2 et sw=2 tw=80: */
       3             : /* This Source Code Form is subject to the terms of the Mozilla Public
       4             :  * License, v. 2.0. If a copy of the MPL was not distributed with this
       5             :  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
       6             : 
       7             : #include "IPCStreamDestination.h"
       8             : #include "mozilla/dom/nsIContentParent.h"
       9             : #include "mozilla/ipc/PBackgroundParent.h"
      10             : #include "mozilla/ipc/PChildToParentStreamParent.h"
      11             : #include "mozilla/ipc/PParentToChildStreamParent.h"
      12             : #include "mozilla/Unused.h"
      13             : 
      14             : namespace mozilla {
      15             : namespace ipc {
      16             : 
      17             : // Child to Parent implementation
      18             : // ----------------------------------------------------------------------------
      19             : 
      20             : namespace {
      21             : 
      22           0 : class IPCStreamSourceParent final : public PParentToChildStreamParent
      23             :                                   , public IPCStreamSource
      24             : {
      25             : public:
      26             :   static IPCStreamSourceParent*
      27           0 :   Create(nsIAsyncInputStream* aInputStream)
      28             :   {
      29           0 :     MOZ_ASSERT(aInputStream);
      30             : 
      31           0 :     IPCStreamSourceParent* source = new IPCStreamSourceParent(aInputStream);
      32           0 :     if (!source->Initialize()) {
      33           0 :       delete source;
      34           0 :       return nullptr;
      35             :     }
      36             : 
      37           0 :     return source;
      38             :   }
      39             : 
      40             :   // PParentToChildStreamParent methods
      41             : 
      42             :   void
      43           0 :   ActorDestroy(ActorDestroyReason aReason) override
      44             :   {
      45           0 :     ActorDestroyed();
      46           0 :   }
      47             : 
      48             :   IPCResult
      49           0 :   RecvStartReading() override
      50             :   {
      51           0 :     Start();
      52           0 :     return IPC_OK();
      53             :   }
      54             : 
      55             :   IPCResult
      56           0 :   RecvRequestClose(const nsresult& aRv) override
      57             :   {
      58           0 :     OnEnd(aRv);
      59           0 :     return IPC_OK();
      60             :   }
      61             : 
      62             :   void
      63           0 :   Close(nsresult aRv) override
      64             :   {
      65           0 :     MOZ_ASSERT(IPCStreamSource::mState == IPCStreamSource::eClosed);
      66           0 :     Unused << SendClose(aRv);
      67           0 :   }
      68             : 
      69             :   void
      70           0 :   SendData(const nsCString& aBuffer) override
      71             :   {
      72           0 :     Unused << SendBuffer(aBuffer);
      73           0 :   }
      74             : 
      75             : private:
      76           0 :   explicit IPCStreamSourceParent(nsIAsyncInputStream* aInputStream)
      77           0 :     :IPCStreamSource(aInputStream)
      78           0 :   {}
      79             : };
      80             : 
      81             : } // anonymous namespace
      82             : 
      83             : /* static */ PParentToChildStreamParent*
      84           0 : IPCStreamSource::Create(nsIAsyncInputStream* aInputStream,
      85             :                         dom::nsIContentParent* aManager)
      86             : {
      87           0 :   MOZ_ASSERT(aInputStream);
      88           0 :   MOZ_ASSERT(aManager);
      89             : 
      90             :   // PContent can only be used on the main thread
      91           0 :   MOZ_ASSERT(NS_IsMainThread());
      92             : 
      93           0 :   IPCStreamSourceParent* source = IPCStreamSourceParent::Create(aInputStream);
      94           0 :   if (!source) {
      95           0 :     return nullptr;
      96             :   }
      97             : 
      98           0 :   if (!aManager->SendPParentToChildStreamConstructor(source)) {
      99             :     // no delete here, the manager will delete the actor for us.
     100           0 :     return nullptr;
     101             :   }
     102             : 
     103           0 :   source->ActorConstructed();
     104           0 :   return source;
     105             : }
     106             : 
     107             : /* static */ PParentToChildStreamParent*
     108           0 : IPCStreamSource::Create(nsIAsyncInputStream* aInputStream,
     109             :                         PBackgroundParent* aManager)
     110             : {
     111           0 :   MOZ_ASSERT(aInputStream);
     112           0 :   MOZ_ASSERT(aManager);
     113             : 
     114           0 :   IPCStreamSourceParent* source = IPCStreamSourceParent::Create(aInputStream);
     115           0 :   if (!source) {
     116           0 :     return nullptr;
     117             :   }
     118             : 
     119           0 :   if (!aManager->SendPParentToChildStreamConstructor(source)) {
     120             :     // no delete here, the manager will delete the actor for us.
     121           0 :     return nullptr;
     122             :   }
     123             : 
     124           0 :   source->ActorConstructed();
     125           0 :   return source;
     126             : }
     127             : 
     128             : /* static */ IPCStreamSource*
     129           0 : IPCStreamSource::Cast(PParentToChildStreamParent* aActor)
     130             : {
     131           0 :   MOZ_ASSERT(aActor);
     132           0 :   return static_cast<IPCStreamSourceParent*>(aActor);
     133             : }
     134             : 
     135             : // Child to Parent implementation
     136             : // ----------------------------------------------------------------------------
     137             : 
     138             : namespace {
     139             : 
     140           0 : class IPCStreamDestinationParent final : public PChildToParentStreamParent
     141             :                                        , public IPCStreamDestination
     142             : {
     143             : public:
     144           0 :   nsresult Initialize()
     145             :   {
     146           0 :     return IPCStreamDestination::Initialize();
     147             :   }
     148             : 
     149           0 :   ~IPCStreamDestinationParent()
     150           0 :   {}
     151             : 
     152             : private:
     153             :   // PChildToParentStreamParent methods
     154             : 
     155             :   void
     156           0 :   ActorDestroy(ActorDestroyReason aReason) override
     157             :   {
     158           0 :     ActorDestroyed();
     159           0 :   }
     160             : 
     161             :   IPCResult
     162           0 :   RecvBuffer(const nsCString& aBuffer) override
     163             :   {
     164           0 :     BufferReceived(aBuffer);
     165           0 :     return IPC_OK();
     166             :   }
     167             : 
     168             :   IPCResult
     169           0 :   RecvClose(const nsresult& aRv) override
     170             :   {
     171           0 :     CloseReceived(aRv);
     172           0 :     return IPC_OK();
     173             :   }
     174             : 
     175             :   // IPCStreamDestination methods
     176             : 
     177             :   void
     178           0 :   StartReading() override
     179             :   {
     180           0 :     MOZ_ASSERT(HasDelayedStart());
     181           0 :     Unused << SendStartReading();
     182           0 :   }
     183             : 
     184             :   void
     185           0 :   RequestClose(nsresult aRv) override
     186             :   {
     187           0 :     Unused << SendRequestClose(aRv);
     188           0 :   }
     189             : 
     190             :   void
     191           0 :   TerminateDestination() override
     192             :   {
     193           0 :     Unused << Send__delete__(this);
     194           0 :   }
     195             : };
     196             : 
     197             : } // anonymous namespace
     198             : 
     199             : PChildToParentStreamParent*
     200           0 : AllocPChildToParentStreamParent()
     201             : {
     202           0 :   IPCStreamDestinationParent* actor = new IPCStreamDestinationParent();
     203             : 
     204           0 :   if (NS_WARN_IF(NS_FAILED(actor->Initialize()))) {
     205           0 :     delete actor;
     206           0 :     actor = nullptr;
     207             :   }
     208             : 
     209           0 :   return actor;
     210             : }
     211             : 
     212             : void
     213           0 : DeallocPChildToParentStreamParent(PChildToParentStreamParent* aActor)
     214             : {
     215           0 :   delete aActor;
     216           0 : }
     217             : 
     218             : /* static */ IPCStreamDestination*
     219           0 : IPCStreamDestination::Cast(PChildToParentStreamParent* aActor)
     220             : {
     221           0 :   MOZ_ASSERT(aActor);
     222           0 :   return static_cast<IPCStreamDestinationParent*>(aActor);
     223             : }
     224             : 
     225             : } // namespace ipc
     226             : } // namespace mozilla

Generated by: LCOV version 1.13