dom/network/TCPServerSocketParent.cpp

   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 file,
   5  * You can obtain one at http://mozilla.org/MPL/2.0/. */
   6
   7 #include "TCPServerSocket.h"
   8 #include "TCPServerSocketParent.h"
   9 #include "nsJSUtils.h"
  10 #include "TCPSocket.h"
  11 #include "TCPSocketParent.h"
  12 #include "mozilla/Unused.h"
  13 #include "mozilla/dom/BrowserParent.h"
  14 #include "mozilla/dom/TCPServerSocketEvent.h"
  15
  16 namespace mozilla::dom {
  17
  18 NS_IMPL_CYCLE_COLLECTION(TCPServerSocketParent, mServerSocket)
  19 NS_IMPL_CYCLE_COLLECTING_ADDREF(TCPServerSocketParent)
  20 NS_IMPL_CYCLE_COLLECTING_RELEASE(TCPServerSocketParent)
  21
  22 NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION(TCPServerSocketParent)
  23   NS_INTERFACE_MAP_ENTRY(nsISupports)
  24 NS_INTERFACE_MAP_END
  25
  26 void TCPServerSocketParent::ReleaseIPDLReference() {
  27   MOZ_ASSERT(mIPCOpen);
  28   mIPCOpen = false;
  29   this->Release();
  30 }
  31
  32 void TCPServerSocketParent::AddIPDLReference() {
  33   MOZ_ASSERT(!mIPCOpen);
  34   mIPCOpen = true;
  35   this->AddRef();
  36 }
  37
  38 TCPServerSocketParent::TCPServerSocketParent(PNeckoParent* neckoParent,
  39                                              uint16_t aLocalPort,
  40                                              uint16_t aBacklog,
  41                                              bool aUseArrayBuffers)
  42     : mNeckoParent(neckoParent), mIPCOpen(false) {
  43   mServerSocket =
  44       new TCPServerSocket(nullptr, aLocalPort, aUseArrayBuffers, aBacklog);
  45   mServerSocket->SetServerBridgeParent(this);
  46 }
  47
  48 TCPServerSocketParent::~TCPServerSocketParent() = default;
  49
  50 void TCPServerSocketParent::Init() {
  51   NS_ENSURE_SUCCESS_VOID(mServerSocket->Init());
  52 }
  53
  54 nsresult TCPServerSocketParent::SendCallbackAccept(TCPSocketParent* socket) {
  55   nsresult rv;
  56
  57   nsString host;
  58   rv = socket->GetHost(host);
  59   if (NS_FAILED(rv)) {
  60     NS_ERROR("Failed to get host from nsITCPSocketParent");
  61     return NS_ERROR_FAILURE;
  62   }
  63
  64   uint16_t port;
  65   rv = socket->GetPort(&port);
  66   if (NS_FAILED(rv)) {
  67     NS_ERROR("Failed to get port from nsITCPSocketParent");
  68     return NS_ERROR_FAILURE;
  69   }
  70
  71   if (mNeckoParent) {
  72     if (mNeckoParent->SendPTCPSocketConstructor(socket, host, port)) {
  73       // Call |AddIPDLReference| after the consructor message is sent
  74       // successfully, otherwise |socket| could be leaked.
  75       socket->AddIPDLReference();
  76
  77       mozilla::Unused << PTCPServerSocketParent::SendCallbackAccept(
  78           WrapNotNull(socket));
  79     } else {
  80       NS_ERROR("Sending data from PTCPSocketParent was failed.");
  81     }
  82   } else {
  83     NS_ERROR("The member value for NeckoParent is wrong.");
  84   }
  85   return NS_OK;
  86 }
  87
  88 mozilla::ipc::IPCResult TCPServerSocketParent::RecvClose() {
  89   NS_ENSURE_TRUE(mServerSocket, IPC_OK());
  90   mServerSocket->Close();
  91   return IPC_OK();
  92 }
  93
  94 void TCPServerSocketParent::ActorDestroy(ActorDestroyReason why) {
  95   if (mServerSocket) {
  96     mServerSocket->Close();
  97     mServerSocket = nullptr;
  98   }
  99   mNeckoParent = nullptr;
 100 }
 101
 102 mozilla::ipc::IPCResult TCPServerSocketParent::RecvRequestDelete() {
 103   mozilla::Unused << Send__delete__(this);
 104   return IPC_OK();
 105 }
 106
 107 void TCPServerSocketParent::OnConnect(TCPServerSocketEvent* event) {
 108   RefPtr<TCPSocket> socket = event->Socket();
 109
 110   RefPtr<TCPSocketParent> socketParent = new TCPSocketParent();
 111   socketParent->SetSocket(socket);
 112
 113   socket->SetSocketBridgeParent(socketParent);
 114
 115   SendCallbackAccept(socketParent);
 116 }
 117
 118 }  // namespace mozilla::dom