DXR is a code search and navigation tool aimed at making sense of large projects. It supports full-text and regex searches as well as structural queries.

Header

Mercurial (fddffdeab170)

VCS Links

Line Code
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this file,
 * You can obtain one at http://mozilla.org/MPL/2.0/. */

#include "mozilla/dom/TCPServerSocketBinding.h"
#include "mozilla/dom/TCPServerSocketEvent.h"
#include "mozilla/dom/TCPSocketBinding.h"
#include "TCPServerSocketParent.h"
#include "TCPServerSocketChild.h"
#include "mozilla/dom/Event.h"
#include "mozilla/ErrorResult.h"
#include "TCPServerSocket.h"
#include "TCPSocket.h"

using namespace mozilla::dom;

NS_IMPL_CYCLE_COLLECTION_CLASS(TCPServerSocket)

NS_IMPL_CYCLE_COLLECTION_TRACE_BEGIN_INHERITED(TCPServerSocket,
                                               DOMEventTargetHelper)
NS_IMPL_CYCLE_COLLECTION_TRACE_END

NS_IMPL_CYCLE_COLLECTION_TRAVERSE_BEGIN_INHERITED(TCPServerSocket,
                                                  DOMEventTargetHelper)
  NS_IMPL_CYCLE_COLLECTION_TRAVERSE(mServerSocket)
  NS_IMPL_CYCLE_COLLECTION_TRAVERSE(mServerBridgeChild)
  NS_IMPL_CYCLE_COLLECTION_TRAVERSE(mServerBridgeParent)
NS_IMPL_CYCLE_COLLECTION_TRAVERSE_END

NS_IMPL_CYCLE_COLLECTION_UNLINK_BEGIN_INHERITED(TCPServerSocket,
                                                DOMEventTargetHelper)
  NS_IMPL_CYCLE_COLLECTION_UNLINK(mServerSocket)
  NS_IMPL_CYCLE_COLLECTION_UNLINK(mServerBridgeChild)
  NS_IMPL_CYCLE_COLLECTION_UNLINK(mServerBridgeParent)
NS_IMPL_CYCLE_COLLECTION_UNLINK_END

NS_IMPL_ADDREF_INHERITED(TCPServerSocket, DOMEventTargetHelper)
NS_IMPL_RELEASE_INHERITED(TCPServerSocket, DOMEventTargetHelper)

NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION_INHERITED(TCPServerSocket)
  NS_INTERFACE_MAP_ENTRY(nsIServerSocketListener)
NS_INTERFACE_MAP_END_INHERITING(DOMEventTargetHelper)

TCPServerSocket::TCPServerSocket(nsIGlobalObject* aGlobal, uint16_t aPort,
                                 bool aUseArrayBuffers, uint16_t aBacklog)
  : DOMEventTargetHelper(aGlobal)
  , mPort(aPort)
  , mBacklog(aBacklog)
  , mUseArrayBuffers(aUseArrayBuffers)
{
}

TCPServerSocket::~TCPServerSocket()
{
}

nsresult
TCPServerSocket::Init()
{
  if (mServerSocket || mServerBridgeChild) {
    NS_WARNING("Child TCPServerSocket is already listening.");
    return NS_ERROR_FAILURE;
  }

  if (XRE_GetProcessType() == GeckoProcessType_Content) {
    mServerBridgeChild = new TCPServerSocketChild(this, mPort, mBacklog, mUseArrayBuffers);
    return NS_OK;
  }

  nsresult rv;
  mServerSocket = do_CreateInstance("@mozilla.org/network/server-socket;1", &rv);
  NS_ENSURE_SUCCESS(rv, rv);
  rv = mServerSocket->Init(mPort, false, mBacklog);
  NS_ENSURE_SUCCESS(rv, rv);
  rv = mServerSocket->GetPort(&mPort);
  NS_ENSURE_SUCCESS(rv, rv);
  rv = mServerSocket->AsyncListen(this);
  NS_ENSURE_SUCCESS(rv, rv);
  return NS_OK;
}

already_AddRefed<TCPServerSocket>
TCPServerSocket::Constructor(const GlobalObject& aGlobal,
                             uint16_t aPort,
                             const ServerSocketOptions& aOptions,
                             uint16_t aBacklog,
                             mozilla::ErrorResult& aRv)
{
  nsCOMPtr<nsIGlobalObject> global = do_QueryInterface(aGlobal.GetAsSupports());
  if (!global) {
    aRv = NS_ERROR_FAILURE;
    return nullptr;
  }
  bool useArrayBuffers = aOptions.mBinaryType == TCPSocketBinaryType::Arraybuffer;
  RefPtr<TCPServerSocket> socket = new TCPServerSocket(global, aPort, useArrayBuffers, aBacklog);
  nsresult rv = socket->Init();
  if (NS_WARN_IF(NS_FAILED(rv))) {
    aRv = NS_ERROR_FAILURE;
    return nullptr;
  }
  return socket.forget();
}

uint16_t
TCPServerSocket::LocalPort()
{
  return mPort;
}

void
TCPServerSocket::Close()
{
  if (mServerBridgeChild) {
    mServerBridgeChild->Close();
  }
  if (mServerSocket) {
    mServerSocket->Close();
  }
}

void
TCPServerSocket::FireEvent(const nsAString& aType, TCPSocket* aSocket)
{
  AutoJSAPI api;
  api.Init(GetOwnerGlobal());

  TCPServerSocketEventInit init;
  init.mBubbles = false;
  init.mCancelable = false;
  init.mSocket = aSocket;

  RefPtr<TCPServerSocketEvent> event =
      TCPServerSocketEvent::Constructor(this, aType, init);
  event->SetTrusted(true);
  bool dummy;
  DispatchEvent(event, &dummy);

  if (mServerBridgeParent) {
    mServerBridgeParent->OnConnect(event);
  }
}

NS_IMETHODIMP
TCPServerSocket::OnSocketAccepted(nsIServerSocket* aServer, nsISocketTransport* aTransport)
{
  nsCOMPtr<nsIGlobalObject> global = GetOwnerGlobal();
  RefPtr<TCPSocket> socket = TCPSocket::CreateAcceptedSocket(global, aTransport, mUseArrayBuffers);
  if (mServerBridgeParent) {
    socket->SetAppIdAndBrowser(mServerBridgeParent->GetAppId(),
                               mServerBridgeParent->GetInBrowser());
  }
  FireEvent(NS_LITERAL_STRING("connect"), socket);
  return NS_OK;
}

NS_IMETHODIMP
TCPServerSocket::OnStopListening(nsIServerSocket* aServer, nsresult aStatus)
{
  if (aStatus != NS_BINDING_ABORTED) {
    RefPtr<Event> event = new Event(GetOwner());
    nsresult rv = event->InitEvent(NS_LITERAL_STRING("error"), false, false);
    NS_ENSURE_SUCCESS(rv, rv);
    event->SetTrusted(true);
    bool dummy;
    DispatchEvent(event, &dummy);

    NS_WARNING("Server socket was closed by unexpected reason.");
    return NS_ERROR_FAILURE;
  }
  mServerSocket = nullptr;
  return NS_OK;
}

nsresult
TCPServerSocket::AcceptChildSocket(TCPSocketChild* aSocketChild)
{
  nsCOMPtr<nsIGlobalObject> global = GetOwnerGlobal();
  NS_ENSURE_TRUE(global, NS_ERROR_FAILURE);
  RefPtr<TCPSocket> socket = TCPSocket::CreateAcceptedSocket(global, aSocketChild, mUseArrayBuffers);
  NS_ENSURE_TRUE(socket, NS_ERROR_FAILURE);
  FireEvent(NS_LITERAL_STRING("connect"), socket);
  return NS_OK;
}

void
TCPServerSocket::SetServerBridgeParent(TCPServerSocketParent* aBridgeParent)
{
  mServerBridgeParent = aBridgeParent;
}

JSObject*
TCPServerSocket::WrapObject(JSContext* aCx, JS::Handle<JSObject*> aGivenProto)
{
  return TCPServerSocketBinding::Wrap(aCx, this, aGivenProto);
}