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/*
* Copyright (c) 2012 The WebRTC project authors. All Rights Reserved.
*
* Use of this source code is governed by a BSD-style license
* that can be found in the LICENSE file in the root of the source
* tree. An additional intellectual property rights grant can be found
* in the file PATENTS. All contributing project authors may
* be found in the AUTHORS file in the root of the source tree.
*/
#ifndef WEBRTC_TEST_CHANNEL_TRANSPORT_UDP_SOCKET2_MANAGER_WINDOWS_H_
#define WEBRTC_TEST_CHANNEL_TRANSPORT_UDP_SOCKET2_MANAGER_WINDOWS_H_
#include <winsock2.h>
#include <list>
#include "webrtc/system_wrappers/include/atomic32.h"
#include "webrtc/system_wrappers/include/critical_section_wrapper.h"
#include "webrtc/system_wrappers/include/event_wrapper.h"
#include "webrtc/system_wrappers/include/thread_wrapper.h"
#include "webrtc/test/channel_transport/udp_socket2_win.h"
#include "webrtc/test/channel_transport/udp_socket_manager_wrapper.h"
#include "webrtc/test/channel_transport/udp_transport.h"
#define MAX_IO_BUFF_SIZE 1600
namespace webrtc {
namespace test {
enum IO_OPERATION {
OP_READ,
OP_WRITE
};
class UdpSocket2Windows;
// Struct used for all socket I/O operations.
struct PerIoContext {
WSAOVERLAPPED overlapped;
char buffer[MAX_IO_BUFF_SIZE];
WSABUF wsabuf;
size_t nTotalBytes;
int nSentBytes;
int bytes;
IO_OPERATION ioOperation;
SocketAddress from;
int fromLen;
// Should be set to true if the I/O context was passed to the system by
// a thread not controlled by the socket implementation.
bool ioInitiatedByThreadWrapper;
// TODO (hellner): Not used. Delete it.
PerIoContext* pNextFree;
};
struct IoContextPoolItem;
struct IoContextPoolItemPayload
{
PerIoContext ioContext;
IoContextPoolItem* base;
};
struct IoContextPoolItem
{
// Atomic single linked list entry header.
SLIST_ENTRY itemEntry;
// Atomic single linked list payload
IoContextPoolItemPayload payload;
};
class IoContextPool
{
public:
IoContextPool();
virtual ~IoContextPool();
virtual int32_t Init(uint32_t increaseSize = 128);
// Re-use an old unused IO context or create a new one.
virtual PerIoContext* PopIoContext();
virtual int32_t PushIoContext(PerIoContext* pIoContext);
virtual inline int32_t GetSize(uint32_t* inUse = 0)
{return _size.Value();}
virtual int32_t Free();
private:
// Sample code for use of msfts single linked atomic list can be found here:
// http://msdn.microsoft.com/en-us/library/ms686962(VS.85).aspx
// Atomic single linked list head.
PSLIST_HEADER _pListHead;
bool _init;
Atomic32 _size;
Atomic32 _inUse;
};
class UdpSocket2WorkerWindows
{
public:
UdpSocket2WorkerWindows(HANDLE ioCompletionHandle);
virtual ~UdpSocket2WorkerWindows();
virtual bool Start();
virtual bool Stop();
virtual int32_t Init();
protected:
static bool Run(void* obj);
bool Process();
private:
HANDLE _ioCompletionHandle;
rtc::scoped_ptr<ThreadWrapper> _pThread;
static int32_t _numOfWorkers;
int32_t _workerNumber;
volatile bool _stop;
bool _init;
};
class UdpSocket2ManagerWindows : public UdpSocketManager
{
public:
UdpSocket2ManagerWindows();
virtual ~UdpSocket2ManagerWindows();
virtual bool Init(int32_t id, uint8_t& numOfWorkThreads);
virtual bool Start();
virtual bool Stop();
virtual inline bool AddSocket(UdpSocketWrapper* s)
{if(s) return AddSocketPrv(reinterpret_cast<UdpSocket2Windows*>(s));
return false;}
virtual bool RemoveSocket(UdpSocketWrapper* s)
{if(s) return RemoveSocketPrv(reinterpret_cast<UdpSocket2Windows*>(s));
return false;}
PerIoContext* PopIoContext(void);
int32_t PushIoContext(PerIoContext* pIoContext);
private:
typedef std::list<UdpSocket2WorkerWindows*> WorkerList;
bool StopWorkerThreads();
bool StartWorkerThreads();
bool AddSocketPrv(UdpSocket2Windows* s);
bool RemoveSocketPrv(UdpSocket2Windows* s);
static uint32_t _numOfActiveManagers;
static bool _wsaInit;
int32_t _id;
CriticalSectionWrapper* _pCrit;
int32_t _managerNumber;
volatile bool _stopped;
bool _init;
int32_t _numActiveSockets;
WorkerList _workerThreadsList;
EventWrapper* _event;
HANDLE _ioCompletionHandle;
IoContextPool _ioContextPool;
};
} // namespace test
} // namespace webrtc
#endif // WEBRTC_TEST_CHANNEL_TRANSPORT_UDP_SOCKET2_MANAGER_WINDOWS_H_
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