gecko-dev/dom/network/TCPServerSocketParent.cpp
Kershaw Chang 3aad5c69c2 Bug 1541114 - Check mIPCOpen before sending messages r=mayhemer
Differential Revision: https://phabricator.services.mozilla.com/D27869

--HG--
extra : moz-landing-system : lando
2019-05-02 12:00:57 +00:00

119 lines
3.4 KiB
C++

/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* 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 "nsIScriptSecurityManager.h"
#include "TCPServerSocket.h"
#include "TCPServerSocketParent.h"
#include "nsJSUtils.h"
#include "TCPSocketParent.h"
#include "mozilla/Unused.h"
#include "mozilla/dom/BrowserParent.h"
namespace mozilla {
namespace dom {
NS_IMPL_CYCLE_COLLECTION(TCPServerSocketParent, mServerSocket)
NS_IMPL_CYCLE_COLLECTING_ADDREF(TCPServerSocketParent)
NS_IMPL_CYCLE_COLLECTING_RELEASE(TCPServerSocketParent)
NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION(TCPServerSocketParent)
NS_INTERFACE_MAP_ENTRY(nsISupports)
NS_INTERFACE_MAP_END
void TCPServerSocketParent::ReleaseIPDLReference() {
MOZ_ASSERT(mIPCOpen);
mIPCOpen = false;
this->Release();
}
void TCPServerSocketParent::AddIPDLReference() {
MOZ_ASSERT(!mIPCOpen);
mIPCOpen = true;
this->AddRef();
}
TCPServerSocketParent::TCPServerSocketParent(PNeckoParent* neckoParent,
uint16_t aLocalPort,
uint16_t aBacklog,
bool aUseArrayBuffers)
: mNeckoParent(neckoParent), mIPCOpen(false) {
mServerSocket =
new TCPServerSocket(nullptr, aLocalPort, aUseArrayBuffers, aBacklog);
mServerSocket->SetServerBridgeParent(this);
}
TCPServerSocketParent::~TCPServerSocketParent() {}
void TCPServerSocketParent::Init() {
NS_ENSURE_SUCCESS_VOID(mServerSocket->Init());
}
nsresult TCPServerSocketParent::SendCallbackAccept(TCPSocketParent* socket) {
nsresult rv;
nsString host;
rv = socket->GetHost(host);
if (NS_FAILED(rv)) {
NS_ERROR("Failed to get host from nsITCPSocketParent");
return NS_ERROR_FAILURE;
}
uint16_t port;
rv = socket->GetPort(&port);
if (NS_FAILED(rv)) {
NS_ERROR("Failed to get port from nsITCPSocketParent");
return NS_ERROR_FAILURE;
}
if (mNeckoParent) {
if (mNeckoParent->SendPTCPSocketConstructor(socket, host, port)) {
// Call |AddIPDLReference| after the consructor message is sent
// successfully, otherwise |socket| could be leaked.
socket->AddIPDLReference();
mozilla::Unused << PTCPServerSocketParent::SendCallbackAccept(socket);
} else {
NS_ERROR("Sending data from PTCPSocketParent was failed.");
}
} else {
NS_ERROR("The member value for NeckoParent is wrong.");
}
return NS_OK;
}
mozilla::ipc::IPCResult TCPServerSocketParent::RecvClose() {
NS_ENSURE_TRUE(mServerSocket, IPC_OK());
mServerSocket->Close();
return IPC_OK();
}
void TCPServerSocketParent::ActorDestroy(ActorDestroyReason why) {
if (mServerSocket) {
mServerSocket->Close();
mServerSocket = nullptr;
}
mNeckoParent = nullptr;
}
mozilla::ipc::IPCResult TCPServerSocketParent::RecvRequestDelete() {
mozilla::Unused << Send__delete__(this);
return IPC_OK();
}
void TCPServerSocketParent::OnConnect(TCPServerSocketEvent* event) {
RefPtr<TCPSocket> socket = event->Socket();
RefPtr<TCPSocketParent> socketParent = new TCPSocketParent();
socketParent->SetSocket(socket);
socket->SetSocketBridgeParent(socketParent);
SendCallbackAccept(socketParent);
}
} // namespace dom
} // namespace mozilla