Revert of Moved webrtc/test/channel_transport/ into webrtc/voice_engine/test/

webrtc/test/channel_transport/udp_socket2_manager_win.h

+/*
+ *  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/base/platform_thread.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 ioInitiatedByPlatformThread;
+    // 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::PlatformThread _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_