mirror of
https://gitlab.winehq.org/wine/wine-gecko.git
synced 2024-09-13 09:24:08 -07:00
70111c54d3
This patch converts |StreamSocket| to forward events and data to an instance of |StreamSocketConsumer|. All users are converted and the related listener and consumer classes are removed.
628 lines
13 KiB
C++
628 lines
13 KiB
C++
/* -*- Mode: c++; c-basic-offset: 2; indent-tabs-mode: nil; tab-width: 40 -*- */
|
|
/* vim: set ts=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 "StreamSocket.h"
|
|
#include <fcntl.h>
|
|
#include "mozilla/RefPtr.h"
|
|
#include "nsXULAppAPI.h"
|
|
#include "StreamSocketConsumer.h"
|
|
#include "UnixSocketConnector.h"
|
|
|
|
static const size_t MAX_READ_SIZE = 1 << 16;
|
|
|
|
namespace mozilla {
|
|
namespace ipc {
|
|
|
|
//
|
|
// StreamSocketIO
|
|
//
|
|
|
|
class StreamSocketIO final
|
|
: public UnixSocketWatcher
|
|
, public ConnectionOrientedSocketIO
|
|
{
|
|
public:
|
|
class ConnectTask;
|
|
class DelayedConnectTask;
|
|
class ReceiveRunnable;
|
|
|
|
StreamSocketIO(MessageLoop* mIOLoop,
|
|
StreamSocket* aStreamSocket,
|
|
UnixSocketConnector* aConnector);
|
|
StreamSocketIO(MessageLoop* mIOLoop, int aFd,
|
|
ConnectionStatus aConnectionStatus,
|
|
StreamSocket* aStreamSocket,
|
|
UnixSocketConnector* aConnector);
|
|
~StreamSocketIO();
|
|
|
|
StreamSocket* GetStreamSocket();
|
|
DataSocket* GetDataSocket();
|
|
|
|
// Delayed-task handling
|
|
//
|
|
|
|
void SetDelayedConnectTask(CancelableTask* aTask);
|
|
void ClearDelayedConnectTask();
|
|
void CancelDelayedConnectTask();
|
|
|
|
// Task callback methods
|
|
//
|
|
|
|
/**
|
|
* Connect to a socket
|
|
*/
|
|
void Connect();
|
|
|
|
void Send(UnixSocketIOBuffer* aBuffer);
|
|
|
|
// I/O callback methods
|
|
//
|
|
|
|
void OnConnected() override;
|
|
void OnError(const char* aFunction, int aErrno) override;
|
|
void OnListening() override;
|
|
void OnSocketCanReceiveWithoutBlocking() override;
|
|
void OnSocketCanSendWithoutBlocking() override;
|
|
|
|
// Methods for |ConnectionOrientedSocketIO|
|
|
//
|
|
|
|
nsresult Accept(int aFd,
|
|
const union sockaddr_any* aAddr,
|
|
socklen_t aAddrLen) override;
|
|
|
|
// Methods for |DataSocket|
|
|
//
|
|
|
|
nsresult QueryReceiveBuffer(UnixSocketIOBuffer** aBuffer) override;
|
|
void ConsumeBuffer() override;
|
|
void DiscardBuffer() override;
|
|
|
|
// Methods for |SocketIOBase|
|
|
//
|
|
|
|
SocketBase* GetSocketBase() override;
|
|
|
|
bool IsShutdownOnMainThread() const override;
|
|
bool IsShutdownOnIOThread() const override;
|
|
|
|
void ShutdownOnMainThread() override;
|
|
void ShutdownOnIOThread() override;
|
|
|
|
private:
|
|
void FireSocketError();
|
|
|
|
/**
|
|
* Consumer pointer. Non-thread safe RefPtr, so should only be manipulated
|
|
* directly from main thread. All non-main-thread accesses should happen with
|
|
* mIO as container.
|
|
*/
|
|
RefPtr<StreamSocket> mStreamSocket;
|
|
|
|
/**
|
|
* Connector object used to create the connection we are currently using.
|
|
*/
|
|
nsAutoPtr<UnixSocketConnector> mConnector;
|
|
|
|
/**
|
|
* If true, do not requeue whatever task we're running
|
|
*/
|
|
bool mShuttingDownOnIOThread;
|
|
|
|
/**
|
|
* Number of valid bytes in |mAddress|
|
|
*/
|
|
socklen_t mAddressLength;
|
|
|
|
/**
|
|
* Address structure of the socket currently in use
|
|
*/
|
|
struct sockaddr_storage mAddress;
|
|
|
|
/**
|
|
* Task member for delayed connect task. Should only be access on main thread.
|
|
*/
|
|
CancelableTask* mDelayedConnectTask;
|
|
|
|
/**
|
|
* I/O buffer for received data
|
|
*/
|
|
nsAutoPtr<UnixSocketRawData> mBuffer;
|
|
};
|
|
|
|
StreamSocketIO::StreamSocketIO(MessageLoop* mIOLoop,
|
|
StreamSocket* aStreamSocket,
|
|
UnixSocketConnector* aConnector)
|
|
: UnixSocketWatcher(mIOLoop)
|
|
, mStreamSocket(aStreamSocket)
|
|
, mConnector(aConnector)
|
|
, mShuttingDownOnIOThread(false)
|
|
, mAddressLength(0)
|
|
, mDelayedConnectTask(nullptr)
|
|
{
|
|
MOZ_ASSERT(mStreamSocket);
|
|
MOZ_ASSERT(mConnector);
|
|
}
|
|
|
|
StreamSocketIO::StreamSocketIO(MessageLoop* mIOLoop, int aFd,
|
|
ConnectionStatus aConnectionStatus,
|
|
StreamSocket* aStreamSocket,
|
|
UnixSocketConnector* aConnector)
|
|
: UnixSocketWatcher(mIOLoop, aFd, aConnectionStatus)
|
|
, mStreamSocket(aStreamSocket)
|
|
, mConnector(aConnector)
|
|
, mShuttingDownOnIOThread(false)
|
|
, mAddressLength(0)
|
|
, mDelayedConnectTask(nullptr)
|
|
{
|
|
MOZ_ASSERT(mStreamSocket);
|
|
MOZ_ASSERT(mConnector);
|
|
}
|
|
|
|
StreamSocketIO::~StreamSocketIO()
|
|
{
|
|
MOZ_ASSERT(NS_IsMainThread());
|
|
MOZ_ASSERT(IsShutdownOnMainThread());
|
|
}
|
|
|
|
StreamSocket*
|
|
StreamSocketIO::GetStreamSocket()
|
|
{
|
|
return mStreamSocket.get();
|
|
}
|
|
|
|
DataSocket*
|
|
StreamSocketIO::GetDataSocket()
|
|
{
|
|
return mStreamSocket.get();
|
|
}
|
|
|
|
void
|
|
StreamSocketIO::SetDelayedConnectTask(CancelableTask* aTask)
|
|
{
|
|
MOZ_ASSERT(NS_IsMainThread());
|
|
|
|
mDelayedConnectTask = aTask;
|
|
}
|
|
|
|
void
|
|
StreamSocketIO::ClearDelayedConnectTask()
|
|
{
|
|
MOZ_ASSERT(NS_IsMainThread());
|
|
|
|
mDelayedConnectTask = nullptr;
|
|
}
|
|
|
|
void
|
|
StreamSocketIO::CancelDelayedConnectTask()
|
|
{
|
|
MOZ_ASSERT(NS_IsMainThread());
|
|
|
|
if (!mDelayedConnectTask) {
|
|
return;
|
|
}
|
|
|
|
mDelayedConnectTask->Cancel();
|
|
ClearDelayedConnectTask();
|
|
}
|
|
|
|
void
|
|
StreamSocketIO::Connect()
|
|
{
|
|
MOZ_ASSERT(MessageLoopForIO::current() == GetIOLoop());
|
|
MOZ_ASSERT(mConnector);
|
|
|
|
MOZ_ASSERT(!IsOpen());
|
|
|
|
struct sockaddr* address = reinterpret_cast<struct sockaddr*>(&mAddress);
|
|
mAddressLength = sizeof(mAddress);
|
|
|
|
int fd;
|
|
nsresult rv = mConnector->CreateStreamSocket(address, &mAddressLength, fd);
|
|
if (NS_FAILED(rv)) {
|
|
FireSocketError();
|
|
return;
|
|
}
|
|
SetFd(fd);
|
|
|
|
// calls OnConnected() on success, or OnError() otherwise
|
|
rv = UnixSocketWatcher::Connect(address, mAddressLength);
|
|
NS_WARN_IF(NS_FAILED(rv));
|
|
}
|
|
|
|
void
|
|
StreamSocketIO::Send(UnixSocketIOBuffer* aData)
|
|
{
|
|
EnqueueData(aData);
|
|
AddWatchers(WRITE_WATCHER, false);
|
|
}
|
|
|
|
void
|
|
StreamSocketIO::OnConnected()
|
|
{
|
|
MOZ_ASSERT(MessageLoopForIO::current() == GetIOLoop());
|
|
MOZ_ASSERT(GetConnectionStatus() == SOCKET_IS_CONNECTED);
|
|
|
|
NS_DispatchToMainThread(
|
|
new SocketIOEventRunnable(this, SocketIOEventRunnable::CONNECT_SUCCESS));
|
|
|
|
AddWatchers(READ_WATCHER, true);
|
|
if (HasPendingData()) {
|
|
AddWatchers(WRITE_WATCHER, false);
|
|
}
|
|
}
|
|
|
|
void
|
|
StreamSocketIO::OnListening()
|
|
{
|
|
MOZ_ASSERT(MessageLoopForIO::current() == GetIOLoop());
|
|
|
|
NS_NOTREACHED("Invalid call to |StreamSocketIO::OnListening|");
|
|
}
|
|
|
|
void
|
|
StreamSocketIO::OnError(const char* aFunction, int aErrno)
|
|
{
|
|
MOZ_ASSERT(MessageLoopForIO::current() == GetIOLoop());
|
|
|
|
UnixFdWatcher::OnError(aFunction, aErrno);
|
|
FireSocketError();
|
|
}
|
|
|
|
void
|
|
StreamSocketIO::OnSocketCanReceiveWithoutBlocking()
|
|
{
|
|
MOZ_ASSERT(MessageLoopForIO::current() == GetIOLoop());
|
|
MOZ_ASSERT(GetConnectionStatus() == SOCKET_IS_CONNECTED); // see bug 990984
|
|
|
|
ssize_t res = ReceiveData(GetFd());
|
|
if (res < 0) {
|
|
/* I/O error */
|
|
RemoveWatchers(READ_WATCHER|WRITE_WATCHER);
|
|
} else if (!res) {
|
|
/* EOF or peer shutdown */
|
|
RemoveWatchers(READ_WATCHER);
|
|
}
|
|
}
|
|
|
|
void
|
|
StreamSocketIO::OnSocketCanSendWithoutBlocking()
|
|
{
|
|
MOZ_ASSERT(MessageLoopForIO::current() == GetIOLoop());
|
|
MOZ_ASSERT(GetConnectionStatus() == SOCKET_IS_CONNECTED); // see bug 990984
|
|
|
|
nsresult rv = SendPendingData(GetFd());
|
|
if (NS_FAILED(rv)) {
|
|
return;
|
|
}
|
|
|
|
if (HasPendingData()) {
|
|
AddWatchers(WRITE_WATCHER, false);
|
|
}
|
|
}
|
|
|
|
void
|
|
StreamSocketIO::FireSocketError()
|
|
{
|
|
MOZ_ASSERT(MessageLoopForIO::current() == GetIOLoop());
|
|
|
|
// Clean up watchers, statuses, fds
|
|
Close();
|
|
|
|
// Tell the main thread we've errored
|
|
NS_DispatchToMainThread(
|
|
new SocketIOEventRunnable(this, SocketIOEventRunnable::CONNECT_ERROR));
|
|
}
|
|
|
|
// |ConnectionOrientedSocketIO|
|
|
|
|
nsresult
|
|
StreamSocketIO::Accept(int aFd,
|
|
const union sockaddr_any* aAddr, socklen_t aAddrLen)
|
|
{
|
|
MOZ_ASSERT(MessageLoopForIO::current() == GetIOLoop());
|
|
MOZ_ASSERT(GetConnectionStatus() == SOCKET_IS_CONNECTING);
|
|
|
|
SetSocket(aFd, SOCKET_IS_CONNECTED);
|
|
|
|
// Address setup
|
|
mAddressLength = aAddrLen;
|
|
memcpy(&mAddress, aAddr, mAddressLength);
|
|
|
|
// Signal success
|
|
NS_DispatchToMainThread(
|
|
new SocketIOEventRunnable(this, SocketIOEventRunnable::CONNECT_SUCCESS));
|
|
|
|
AddWatchers(READ_WATCHER, true);
|
|
if (HasPendingData()) {
|
|
AddWatchers(WRITE_WATCHER, false);
|
|
}
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
// |DataSocketIO|
|
|
|
|
nsresult
|
|
StreamSocketIO::QueryReceiveBuffer(UnixSocketIOBuffer** aBuffer)
|
|
{
|
|
MOZ_ASSERT(aBuffer);
|
|
|
|
if (!mBuffer) {
|
|
mBuffer = new UnixSocketRawData(MAX_READ_SIZE);
|
|
}
|
|
*aBuffer = mBuffer.get();
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
/**
|
|
* |ReceiveRunnable| transfers data received on the I/O thread
|
|
* to an instance of |StreamSocket| on the main thread.
|
|
*/
|
|
class StreamSocketIO::ReceiveRunnable final
|
|
: public SocketIORunnable<StreamSocketIO>
|
|
{
|
|
public:
|
|
ReceiveRunnable(StreamSocketIO* aIO, UnixSocketBuffer* aBuffer)
|
|
: SocketIORunnable<StreamSocketIO>(aIO)
|
|
, mBuffer(aBuffer)
|
|
{ }
|
|
|
|
NS_IMETHOD Run() override
|
|
{
|
|
MOZ_ASSERT(NS_IsMainThread());
|
|
|
|
StreamSocketIO* io = SocketIORunnable<StreamSocketIO>::GetIO();
|
|
|
|
if (NS_WARN_IF(io->IsShutdownOnMainThread())) {
|
|
// Since we've already explicitly closed and the close
|
|
// happened before this, this isn't really an error.
|
|
return NS_OK;
|
|
}
|
|
|
|
StreamSocket* streamSocket = io->GetStreamSocket();
|
|
MOZ_ASSERT(streamSocket);
|
|
|
|
streamSocket->ReceiveSocketData(mBuffer);
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
private:
|
|
nsAutoPtr<UnixSocketBuffer> mBuffer;
|
|
};
|
|
|
|
void
|
|
StreamSocketIO::ConsumeBuffer()
|
|
{
|
|
NS_DispatchToMainThread(new ReceiveRunnable(this, mBuffer.forget()));
|
|
}
|
|
|
|
void
|
|
StreamSocketIO::DiscardBuffer()
|
|
{
|
|
// Nothing to do.
|
|
}
|
|
|
|
// |SocketIOBase|
|
|
|
|
SocketBase*
|
|
StreamSocketIO::GetSocketBase()
|
|
{
|
|
return GetDataSocket();
|
|
}
|
|
|
|
bool
|
|
StreamSocketIO::IsShutdownOnMainThread() const
|
|
{
|
|
MOZ_ASSERT(NS_IsMainThread());
|
|
|
|
return mStreamSocket == nullptr;
|
|
}
|
|
|
|
bool
|
|
StreamSocketIO::IsShutdownOnIOThread() const
|
|
{
|
|
return mShuttingDownOnIOThread;
|
|
}
|
|
|
|
void
|
|
StreamSocketIO::ShutdownOnMainThread()
|
|
{
|
|
MOZ_ASSERT(NS_IsMainThread());
|
|
MOZ_ASSERT(!IsShutdownOnMainThread());
|
|
|
|
mStreamSocket = nullptr;
|
|
}
|
|
|
|
void
|
|
StreamSocketIO::ShutdownOnIOThread()
|
|
{
|
|
MOZ_ASSERT(!NS_IsMainThread());
|
|
MOZ_ASSERT(!mShuttingDownOnIOThread);
|
|
|
|
Close(); // will also remove fd from I/O loop
|
|
mShuttingDownOnIOThread = true;
|
|
}
|
|
|
|
//
|
|
// Socket tasks
|
|
//
|
|
|
|
class StreamSocketIO::ConnectTask final
|
|
: public SocketIOTask<StreamSocketIO>
|
|
{
|
|
public:
|
|
ConnectTask(StreamSocketIO* aIO)
|
|
: SocketIOTask<StreamSocketIO>(aIO)
|
|
{ }
|
|
|
|
void Run() override
|
|
{
|
|
MOZ_ASSERT(!NS_IsMainThread());
|
|
MOZ_ASSERT(!IsCanceled());
|
|
|
|
GetIO()->Connect();
|
|
}
|
|
};
|
|
|
|
class StreamSocketIO::DelayedConnectTask final
|
|
: public SocketIOTask<StreamSocketIO>
|
|
{
|
|
public:
|
|
DelayedConnectTask(StreamSocketIO* aIO)
|
|
: SocketIOTask<StreamSocketIO>(aIO)
|
|
{ }
|
|
|
|
void Run() override
|
|
{
|
|
MOZ_ASSERT(NS_IsMainThread());
|
|
|
|
if (IsCanceled()) {
|
|
return;
|
|
}
|
|
|
|
StreamSocketIO* io = GetIO();
|
|
if (io->IsShutdownOnMainThread()) {
|
|
return;
|
|
}
|
|
|
|
io->ClearDelayedConnectTask();
|
|
XRE_GetIOMessageLoop()->PostTask(FROM_HERE, new ConnectTask(io));
|
|
}
|
|
};
|
|
|
|
//
|
|
// StreamSocket
|
|
//
|
|
|
|
StreamSocket::StreamSocket(StreamSocketConsumer* aConsumer, int aIndex)
|
|
: mConsumer(aConsumer)
|
|
, mIndex(aIndex)
|
|
, mIO(nullptr)
|
|
{
|
|
MOZ_ASSERT(mConsumer);
|
|
}
|
|
|
|
StreamSocket::~StreamSocket()
|
|
{
|
|
MOZ_ASSERT(!mIO);
|
|
}
|
|
|
|
void
|
|
StreamSocket::ReceiveSocketData(nsAutoPtr<UnixSocketBuffer>& aBuffer)
|
|
{
|
|
MOZ_ASSERT(NS_IsMainThread());
|
|
|
|
mConsumer->ReceiveSocketData(mIndex, aBuffer);
|
|
}
|
|
|
|
nsresult
|
|
StreamSocket::Connect(UnixSocketConnector* aConnector,
|
|
int aDelayMs)
|
|
{
|
|
MOZ_ASSERT(NS_IsMainThread());
|
|
MOZ_ASSERT(!mIO);
|
|
|
|
MessageLoop* ioLoop = XRE_GetIOMessageLoop();
|
|
mIO = new StreamSocketIO(ioLoop, this, aConnector);
|
|
SetConnectionStatus(SOCKET_CONNECTING);
|
|
|
|
if (aDelayMs > 0) {
|
|
StreamSocketIO::DelayedConnectTask* connectTask =
|
|
new StreamSocketIO::DelayedConnectTask(mIO);
|
|
mIO->SetDelayedConnectTask(connectTask);
|
|
MessageLoop::current()->PostDelayedTask(FROM_HERE, connectTask, aDelayMs);
|
|
} else {
|
|
ioLoop->PostTask(FROM_HERE, new StreamSocketIO::ConnectTask(mIO));
|
|
}
|
|
return NS_OK;
|
|
}
|
|
|
|
// |ConnectionOrientedSocket|
|
|
|
|
nsresult
|
|
StreamSocket::PrepareAccept(UnixSocketConnector* aConnector,
|
|
ConnectionOrientedSocketIO*& aIO)
|
|
{
|
|
MOZ_ASSERT(NS_IsMainThread());
|
|
MOZ_ASSERT(!mIO);
|
|
MOZ_ASSERT(aConnector);
|
|
|
|
SetConnectionStatus(SOCKET_CONNECTING);
|
|
|
|
mIO = new StreamSocketIO(XRE_GetIOMessageLoop(),
|
|
-1, UnixSocketWatcher::SOCKET_IS_CONNECTING,
|
|
this, aConnector);
|
|
aIO = mIO;
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
// |DataSocket|
|
|
|
|
void
|
|
StreamSocket::SendSocketData(UnixSocketIOBuffer* aBuffer)
|
|
{
|
|
MOZ_ASSERT(NS_IsMainThread());
|
|
MOZ_ASSERT(mIO);
|
|
|
|
MOZ_ASSERT(!mIO->IsShutdownOnMainThread());
|
|
XRE_GetIOMessageLoop()->PostTask(
|
|
FROM_HERE,
|
|
new SocketIOSendTask<StreamSocketIO, UnixSocketIOBuffer>(mIO, aBuffer));
|
|
}
|
|
|
|
// |SocketBase|
|
|
|
|
void
|
|
StreamSocket::Close()
|
|
{
|
|
MOZ_ASSERT(NS_IsMainThread());
|
|
MOZ_ASSERT(mIO);
|
|
|
|
mIO->CancelDelayedConnectTask();
|
|
|
|
// From this point on, we consider |mIO| as being deleted. We sever
|
|
// the relationship here so any future calls to |Connect| will create
|
|
// a new I/O object.
|
|
mIO->ShutdownOnMainThread();
|
|
|
|
XRE_GetIOMessageLoop()->PostTask(FROM_HERE, new SocketIOShutdownTask(mIO));
|
|
|
|
mIO = nullptr;
|
|
|
|
NotifyDisconnect();
|
|
}
|
|
|
|
void
|
|
StreamSocket::OnConnectSuccess()
|
|
{
|
|
MOZ_ASSERT(NS_IsMainThread());
|
|
|
|
mConsumer->OnConnectSuccess(mIndex);
|
|
}
|
|
|
|
void
|
|
StreamSocket::OnConnectError()
|
|
{
|
|
MOZ_ASSERT(NS_IsMainThread());
|
|
|
|
mConsumer->OnConnectError(mIndex);
|
|
}
|
|
|
|
void
|
|
StreamSocket::OnDisconnect()
|
|
{
|
|
MOZ_ASSERT(NS_IsMainThread());
|
|
|
|
mConsumer->OnDisconnect(mIndex);
|
|
}
|
|
|
|
} // namespace ipc
|
|
} // namespace mozilla
|