thrdconn.h
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上传日期:2007-06-06
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文件大小:10k
- /* ***** BEGIN LICENSE BLOCK *****
- * Version: RCSL 1.0/RPSL 1.0
- *
- * Portions Copyright (c) 1995-2002 RealNetworks, Inc. All Rights Reserved.
- *
- * The contents of this file, and the files included with this file, are
- * subject to the current version of the RealNetworks Public Source License
- * Version 1.0 (the "RPSL") available at
- * http://www.helixcommunity.org/content/rpsl unless you have licensed
- * the file under the RealNetworks Community Source License Version 1.0
- * (the "RCSL") available at http://www.helixcommunity.org/content/rcsl,
- * in which case the RCSL will apply. You may also obtain the license terms
- * directly from RealNetworks. You may not use this file except in
- * compliance with the RPSL or, if you have a valid RCSL with RealNetworks
- * applicable to this file, the RCSL. Please see the applicable RPSL or
- * RCSL for the rights, obligations and limitations governing use of the
- * contents of the file.
- *
- * This file is part of the Helix DNA Technology. RealNetworks is the
- * developer of the Original Code and owns the copyrights in the portions
- * it created.
- *
- * This file, and the files included with this file, is distributed and made
- * available on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
- * EXPRESS OR IMPLIED, AND REALNETWORKS HEREBY DISCLAIMS ALL SUCH WARRANTIES,
- * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, FITNESS
- * FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
- *
- * Technology Compatibility Kit Test Suite(s) Location:
- * http://www.helixcommunity.org/content/tck
- *
- * Contributor(s):
- *
- * ***** END LICENSE BLOCK ***** */
- #ifndef _THREADCONN_
- #define _THREADCONN_
- // These are the definitions of the messages our WndProc handles
- #ifdef _WIN32
- class CAsyncNetThread; // forward declare for Win32
- #endif
- //Defines for the HXMSGs.
- #include "hxmsgs.h"
- #include "hxslist.h"
- class HXMutex;
- class HXThread;
- class HXEvent;
- struct IHXCallback;
- class CByteGrowingQueue;
- struct IHXBuffer;
- class ThreadedConn : public conn
- {
- public:
- // static HXThread* GetNetworkThread(void);
- // static void DestroyNetworkThread(void);
- ThreadedConn (UINT16 type);
-
- /* call new_socket() to automatically create the correct platform specific network object.
- The type parameter may be either HX_TCP_SOCKET or HX_UDP_SOCKET. If new_socket() returns
- NULL, an error occurred and the conn object was not created. Call last_error() to get the error */
-
- static ThreadedConn* new_socket (UINT16 type);
- /* call done() when you are finsihed with the socket. Done() will close the socket.
- You may reuse the socket by calling init() or connect() */
-
- virtual void done (void);
- virtual ULONG32 AddRef (void);
- virtual ULONG32 Release (void);
-
- // just for DNS for hostname...
- // is introduced for RTSP...
- virtual HX_RESULT dns_find_ip_addr (const char * host, UINT16 blocking=0);
- virtual BOOL dns_ip_addr_found(BOOL * valid, ULONG32 *addr);
- virtual HX_RESULT init (UINT32 local_addr,
- UINT16 port,
- UINT16 blocking=0);
-
- virtual HX_RESULT listen (ULONG32 ulLocalAddr,
- UINT16 port,
- UINT16 backlog,
- UINT16 blocking=0,
- ULONG32 ulPlatform=0);
-
- virtual HX_RESULT connect (const char *host,
- UINT16 port,
- UINT16 blocking=0,
- ULONG32 ulPlatform=0);
-
- virtual HX_RESULT blocking (void);
-
- virtual HX_RESULT nonblocking (void);
-
- virtual HX_RESULT read (void *buf,
- UINT16 *size);
- virtual HX_RESULT readfrom (REF(IHXBuffer*) pBuffer,
- REF(UINT32) ulAddress,
- REF(UINT16) ulPort);
-
- virtual HX_RESULT write (void *buf,
- UINT16 *size);
- virtual HX_RESULT writeto (void *buf,
- UINT16 *len,
- ULONG32 addr,
- UINT16 port);
- virtual HX_RESULT join_multicast_group(ULONG32 addr, ULONG32 if_addr);
- virtual HX_RESULT leave_multicast_group(ULONG32 addr, ULONG32 if_addr);
- virtual UINT16 connection_really_open(void);
- virtual HX_RESULT set_broadcast(BOOL enable);
- virtual HX_RESULT reuse_addr(BOOL enable);
- virtual HX_RESULT reuse_port(BOOL enable);
- virtual HX_RESULT set_multicast_if(ULONG32 ulInterface);
- virtual ULONG32 get_addr (void) ;
- virtual UINT16 get_local_port (void) ;
- virtual void IgnoreWSAECONNRESET (BOOL b);
- #if defined(HELIX_FEATURE_NETWORK_USE_SELECT)
- HX_RESULT WaitforSelect(void *,void *) {return HXR_FAIL;};
- HX_RESULT ActualAccept(ULONG32 ulAddr,
- ULONG32 ulPlatform);
- virtual HX_RESULT accept (ULONG32 ulAddr);
- virtual HX_RESULT CheckForConnection(){return HXR_FAIL;};
- #endif // HELIX_FEATURE_NETWORK_USE_SELECT
- #if defined (_WINDOWS) || defined (_WIN32)
- // we need it for dns_find_ip_addr since async stuff needs a window handle...
- virtual HX_RESULT SetWindowHandle(ULONG32 handle);
-
-
- HX_RESULT ActuallSetWindowHandle(ULONG32 handle);
- #endif
-
- void set_callback(HXAsyncNetCallback* pCallback);
- HXAsyncNetCallback* get_callback() {return m_pNetCallback;};
- HX_RESULT last_error(void);
- UINT16 connection_open(void);
- int get_sock(void);
- void set_sock(int theSock);
- BOOL set_receive_buf_size(int DesiredSize);
- void OnAsyncDNS(BOOL bResult);
- void OnConnect(BOOL bResult);
- void OnReadNotification(void);
- void OnWriteNotification(void);
- void OnAcceptNotification(void);
- HX_RESULT ActualDnsFindIpAddr(const char* host, UINT16 blocking);
- HX_RESULT ActualInit(UINT32 local_addr,UINT16 port, UINT16 blocking);
- HX_RESULT ActualConnect(const char* host,
- UINT16 port,
- UINT16 blocking,
- ULONG32 ulPlatform);
- HX_RESULT ActualListen(ULONG32 ulLocalAddr,
- UINT16 port,
- UINT16 backlog,
- UINT16 blocking,
- ULONG32 ulPlatform);
- HX_RESULT ActualBlocking(void);
- HX_RESULT ActualNonBlocking(void);
- void ActualDone(void);
- BOOL ActualSetReceiveBufSize(UINT32 ulBufferSize);
- void HandleAcceptNotification(conn* pConn);
- void HandleDNSNotification(BOOL bSuccess);
- void HandleConnectNotification(BOOL bSuccess);
- void HandleCloseNotification();
- HX_RESULT DoRead(BOOL bFromReadNotification = FALSE);
- void DoWrite();
- void DoNetworkIO();
-
- void finaldone (void);
- void Detached();
- BOOL IsDone() { return m_bIsDone;};
- conn* GetActualConn() {return m_pActualConn;};
- BOOL m_bNetworkIOPending;
- protected:
- ~ThreadedConn (void);
- HX_RESULT ConvertNetworkError(HX_RESULT theErr);
- HX_RESULT PostIOMessage();
- #if defined (_WIN32) || defined (WIN32)
- CAsyncNetThread* m_pNotifier;
- #endif
- LONG32 m_lRefCount;
- conn* m_pActualConn;
- UINT16 m_uSocketType;
- HXThread* m_pNetworkThread;
- HXThread* m_pMainAppThread;
- HXMutex* m_pMutex;
- HXEvent* m_pInitEvent;
- HXEvent* m_pQuitEvent;
- HXEvent* m_pDetachEvent;
- HXEvent* m_pListenEvent;
- CHXSimpleList m_ReadUDPBuffers;
- CHXSimpleList m_WriteUDPBuffers;
- CByteGrowingQueue* m_pSendTCP;
- CByteGrowingQueue* m_pReceiveTCP;
- char* m_pTempBuffer;
- BOOL m_bConnected;
- ULONG32 m_ulUserHandle;
- void* m_pInternalWindowHandle;
- BOOL m_bDetachPending;
- BOOL m_bIsDone;
- BOOL m_bInitialized;
- BOOL m_bOutstandingReadNotification;
- BOOL m_bOutstandingWriteNotification;
- BOOL m_bWriteFlushPending;
- BOOL m_bReadNowPending;
- BOOL m_bReadPostPendingWouldBlock;
- BOOL m_bListenning;
- CHXSimpleList* m_pIncommingConnections;
- BOOL m_bIgnoreWSAECONNRESET;
- class ThrConnSocketCallback : public HXAsyncNetCallback
- {
- public:
- HX_RESULT Func(NotificationType Type, BOOL bSuccess = TRUE, conn* pConn = NULL);
- ThreadedConn* m_pContext;
- ThrConnSocketCallback(ThreadedConn* pContext = NULL) : m_pContext(pContext) {}
- };
- friend class ThrConnSocketCallback;
- ThrConnSocketCallback* m_pNetCallback;
- HX_RESULT SetActualConn(conn* pConn, ULONG32 ulPlatform);
- void PostDoneAndDetach();
- class ThrdConnGenericCallback: public IHXCallback
- {
- public:
- UINT16 m_uCallbackType;
- ThreadedConn* m_pConn;
- /* For DNS, Connect */
- CHXString m_HostName;
- /* For DNS, Init, Connect, Listen */
- BOOL m_bBlocking;
- /* For Init */
- UINT32 m_ulLocalAddr;
- /* For Init, Connect, Listen */
- UINT16 m_uPort;
- /* For SetWindowHandle, Connect, Listen */
- UINT32 m_ulHandle;
- /* For SetReceiveBufferSize */
- UINT32 m_ulBufferSize;
- /* For Listen */
- UINT16 m_uBacklog;
- ThrdConnGenericCallback(ThreadedConn* pConn, UINT16 uCallbackType);
- /*
- * IUnknown methods
- */
- STDMETHOD(QueryInterface) (THIS_
- REFIID riid,
- void** ppvObj);
- STDMETHOD_(ULONG32,AddRef) (THIS);
- STDMETHOD_(ULONG32,Release) (THIS);
- /*
- * IHXCallback methods
- */
- STDMETHOD(Func) (THIS);
- protected:
- ~ThrdConnGenericCallback();
- PRIVATE_DESTRUCTORS_ARE_NOT_A_CRIME
- LONG32 m_lRefCount;
- };
- };
- enum
- {
- DNS_CALLBACK_TYPE = 1
- , INIT_CALLBACK_TYPE = 2
- , SETWINDOWHANDLE_CALLBACK_TYPE = 3
- , CONNECT_CALLBACK_TYPE = 4
- , BLOCKING_CALLBACK_TYPE = 5
- , NONBLOCKING_CALLBACK_TYPE = 6
- , DONE_CALLBACK_TYPE = 7
- , SET_BUFFER_SIZE_CALLBACK_TYPE = 8
- , LISTEN_CALLBACK_TYPE = 9
- , ACCEPT_CALLBACK_TYPE = 10
- };
- struct UDPPacketInfo
- {
- IHXBuffer* m_pBuffer;
- ULONG32 m_ulAddr;
- UINT16 m_uPort;
- };
- #endif /*_THREADCONN_*/