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462 lines
11 KiB
462 lines
11 KiB
class ICSocket;
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//
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// class implementations
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//
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/*++
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Class Description:
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This class defines the INTERNET_HANDLE_OBJECT.
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Private Member functions:
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None.
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Public Member functions:
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--*/
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class INTERNET_HANDLE_BASE : public HANDLE_OBJECT {
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friend class INTERNET_HANDLE_OBJECT;
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private:
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//
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// Passport Auth package's "Session Handle"
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//
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PP_CONTEXT _PPContext;
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//
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// _IsCopy - TRUE if this is part of a derived object handle (e.g. a
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// connect handle object)
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// BUGBUG - post-beta cleanup - combine into bitfield
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//
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BOOL _IsCopy;
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//
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// _UserAgent - name by why which the application wishes to be known to
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// HTTP servers. Provides the User-Agent header unless overridden by
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// specific User-Agent header from app
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//
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ICSTRING _UserAgent;
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//
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// _ProxyInfo - maintains the proxy server and bypass lists
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//
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PROXY_INFO * _ProxyInfo;
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//
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// _ProxyInfoResourceLock - must acquire for exclusive access in order to
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// modify the proxy info
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//
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RESOURCE_LOCK _ProxyInfoResourceLock;
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BOOL AcquireProxyInfo(BOOL bExclusiveMode) {
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return _ProxyInfoResourceLock.Acquire(bExclusiveMode);
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}
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VOID ReleaseProxyInfo(VOID) {
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_ProxyInfoResourceLock.Release();
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}
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VOID SafeDeleteProxyInfo(VOID) {
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DEBUG_ENTER((DBG_OBJECTS,
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None,
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"SafeDeleteProxyInfo",
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""
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));
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if ((_ProxyInfo != NULL) && (_ProxyInfo != PROXY_INFO_DIRECT)) {
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if (AcquireProxyInfo(TRUE)) { // must check since asking for exclusive access
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if (!IsProxyGlobal()) {
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if (_ProxyInfo != NULL) {
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delete _ProxyInfo;
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}
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}
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_ProxyInfo = NULL;
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ReleaseProxyInfo();
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}
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}
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DEBUG_LEAVE(0);
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}
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//
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// _dwInternetOpenFlags - flags from InternetOpen()
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//
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// BUGBUG - there should only be ONE flags DWORD for all handles descended
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// from this one. This is it
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// Rename to just _Flags, or _OpenFlags
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//
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DWORD _dwInternetOpenFlags;
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//
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// _WinsockLoaded - TRUE if we managed to successfully load winsock
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//
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//
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// BUGBUG - post-beta cleanup - combine into bitfield
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//
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BOOL _WinsockLoaded;
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//
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// _pICSocket - pointer to ICSocket for new HTTP async code
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//
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ICSocket * _pICSocket;
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protected:
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//
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// _Async - TRUE if the InternetOpen() handle, and all handles descended
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// from it, support asynchronous I/O
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//
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//
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// BUGBUG - post-beta cleanup - get from flags
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//
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BOOL _Async;
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DWORD _MaxConnectionsPerServer;
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DWORD _MaxConnectionsPer1_0Server;
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//
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// _DataAvailable - the number of bytes that can be read from this handle
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// (i.e. only protocol handles) immediately. This avoids a read request
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// being made asynchronously if it can be satisfied immediately
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//
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DWORD _DataAvailable;
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//
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// _EndOfFile - TRUE when we have received all data for this request. This
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// is used to avoid the API having to perform an extraneous read (possibly
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// asynchronously) just to discover that we reached end-of-file already
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//
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//
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// BUGBUG - post-beta cleanup - combine into bitfield
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//
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BOOL _EndOfFile;
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//
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// _StatusCallback - we now maintain callbacks on a per-handle basis. The
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// callback address comes from the parent handle or the DLL if this is an
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// InternetOpen() handle. The status callback can be changed for an
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// individual handle object using the ExchangeStatusCallback() method
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// (called from InternetSetStatusCallback())
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//
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//
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// BUGBUG - this should go in HANDLE_OBJECT
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//
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WINHTTP_STATUS_CALLBACK _StatusCallback;
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BOOL _StatusCallbackType;
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DWORD _dwStatusCallbackFlags;
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// Codepage: required for conversion of object from unicode to mbcs in WinHttpOpenRequest.
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DWORD _dwCodePage;
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HANDLE _ThreadToken;
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public:
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INTERNET_HANDLE_BASE(
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LPCSTR UserAgent,
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DWORD AccessMethod,
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LPSTR ProxyName,
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LPSTR ProxyBypass,
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DWORD Flags
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);
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INTERNET_HANDLE_BASE(INTERNET_HANDLE_BASE *INetObj);
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virtual ~INTERNET_HANDLE_BASE(VOID);
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//
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// BUGBUG - rfirth 04/05/96 - remove virtual functions
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//
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// For the most part, these functions aren't required to be
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// virtual. They should just be moved to the relevant handle type
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// (e.g. FTP_FILE_HANDLE_OBJECT). Even GetHandleType() is overkill.
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// Replacing with a method that just returns
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// HANDLE_OBJECT::_ObjectType would be sufficient
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//
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virtual HINTERNET_HANDLE_TYPE GetHandleType(VOID)
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{
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return TypeInternetHandle;
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}
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HANDLE GetThreadToken(void) const { return _ThreadToken; }
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PP_CONTEXT GetPPContext(void) const {
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return _PPContext;
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}
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void SetPPContext(PP_CONTEXT PPContext) {
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_PPContext = PPContext;
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}
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BOOL IsCopy(VOID) const {
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return _IsCopy;
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}
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VOID GetUserAgent(LPSTR Buffer, LPDWORD BufferLength) {
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_UserAgent.CopyTo(Buffer, BufferLength);
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}
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LPSTR GetUserAgent(VOID) {
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return _UserAgent.StringAddress();
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}
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LPSTR GetUserAgent(LPDWORD lpdwLength) {
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*lpdwLength = _UserAgent.StringLength();
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return _UserAgent.StringAddress();
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}
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VOID SetUserAgent(LPSTR lpszUserAgent) {
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INET_ASSERT(lpszUserAgent != NULL);
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_UserAgent = lpszUserAgent;
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}
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BOOL IsProxy(VOID) const {
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//
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// we can return this info without acquiring the critical section
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//
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return ((_ProxyInfo != NULL) && (_ProxyInfo != PROXY_INFO_DIRECT)) ?
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_ProxyInfo->IsProxySettingsConfigured()
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: FALSE;
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}
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BOOL IsProxyGlobal(VOID) const {
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INET_ASSERT(g_pGlobalProxyInfo != NULL);
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return (_ProxyInfo == g_pGlobalProxyInfo) ? TRUE : FALSE;
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}
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PROXY_INFO * GetProxyInfo(VOID) const {
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return _ProxyInfo;
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}
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VOID SetProxyInfo(PROXY_INFO * ProxyInfo) {
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_ProxyInfo = ProxyInfo;
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}
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VOID ResetProxyInfo(VOID) {
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SetProxyInfo(NULL);
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}
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DWORD
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Refresh();
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DWORD
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SetProxyInfo(
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IN DWORD dwAccessType,
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IN LPCSTR lpszProxy OPTIONAL,
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IN LPCSTR lpszProxyBypass OPTIONAL
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);
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DWORD
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GetProxyStringInfo(
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OUT LPVOID lpBuffer,
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IN OUT LPDWORD lpdwBufferLength
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);
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DWORD
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GetProxyInfo(
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IN AUTO_PROXY_ASYNC_MSG **ppQueryForProxyInfo
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);
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BOOL
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RedoSendRequest(
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IN OUT LPDWORD lpdwError,
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IN DWORD dwSecureStatus,
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IN AUTO_PROXY_ASYNC_MSG *pQueryForProxyInfo,
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IN CServerInfo *pOriginServer,
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IN CServerInfo *pProxyServer
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);
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VOID SetContext(DWORD_PTR NewContext) {
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_Context = NewContext;
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}
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BOOL IsAsyncHandle(VOID) {
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return _Async;
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}
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VOID SetAvailableDataLength(DWORD Amount) {
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INET_ASSERT((int)Amount >= 0);
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_DataAvailable = Amount;
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}
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DWORD AvailableDataLength(VOID) const {
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INET_ASSERT((int)_DataAvailable >= 0);
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return _DataAvailable;
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}
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BOOL IsDataAvailable(VOID) {
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INET_ASSERT((int)_DataAvailable >= 0);
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return (_DataAvailable != 0) ? TRUE : FALSE;
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}
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VOID ReduceAvailableDataLength(DWORD Amount) {
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//
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// why would Amount be > _DataAvailable?
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//
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if (Amount > _DataAvailable) {
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_DataAvailable = 0;
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} else {
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_DataAvailable -= Amount;
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}
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INET_ASSERT((int)_DataAvailable >= 0);
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}
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VOID IncreaseAvailableDataLength(DWORD Amount) {
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_DataAvailable += Amount;
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INET_ASSERT((int)_DataAvailable >= 0);
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}
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VOID SetEndOfFile(VOID) {
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_EndOfFile = TRUE;
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}
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VOID ResetEndOfFile(VOID) {
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_EndOfFile = FALSE;
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}
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BOOL IsEndOfFile(VOID) const {
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return _EndOfFile;
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}
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WINHTTP_STATUS_CALLBACK GetStatusCallback(VOID)
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{
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return _StatusCallback;
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}
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BOOL IsUnicodeStatusCallback()
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{
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return _StatusCallbackType;
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}
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BOOL IsNotificationEnabled(DWORD dwStatus)
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{
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return (_dwStatusCallbackFlags & dwStatus);
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}
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VOID ResetStatusCallback(VOID) {
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_StatusCallback = NULL;
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_StatusCallbackType = FALSE;
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_dwStatusCallbackFlags = 0;
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}
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//VOID AcquireAsyncSpinLock(VOID);
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//
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//VOID ReleaseAsyncSpinLock(VOID);
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DWORD ExchangeStatusCallback(LPWINHTTP_STATUS_CALLBACK lpStatusCallback, BOOL fType, DWORD dwFlags);
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//DWORD AddAsyncRequest(BOOL fNoCallbackOK);
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//
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//VOID RemoveAsyncRequest(VOID);
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//
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//DWORD GetAsyncRequestCount(VOID) {
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//
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// //
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// // it doesn't matter about locking this variable - it can change before
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// // we have returned it to the caller anyway
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// //
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//
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// return _PendingAsyncRequests;
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//}
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// random methods on flags
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DWORD GetInternetOpenFlags() {
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return _dwInternetOpenFlags;
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}
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VOID
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SetAbortHandle(
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IN ICSocket * pSocket
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);
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ICSocket * GetAbortHandle(VOID) const {
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return _pICSocket;
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}
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VOID
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ResetAbortHandle(
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VOID
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);
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BOOL IsFromCacheTimeoutSet(VOID) const {
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return FALSE;
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}
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DWORD
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GetMaxConnectionsPerServer(DWORD dwOption)
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{
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INET_ASSERT(dwOption == WINHTTP_OPTION_MAX_CONNS_PER_SERVER ||
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dwOption == WINHTTP_OPTION_MAX_CONNS_PER_1_0_SERVER);
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return (dwOption == WINHTTP_OPTION_MAX_CONNS_PER_SERVER) ?
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_MaxConnectionsPerServer
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: _MaxConnectionsPer1_0Server;
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}
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void
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SetMaxConnectionsPerServer(DWORD dwOption, DWORD dwMaxConnections)
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{
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INET_ASSERT(dwOption == WINHTTP_OPTION_MAX_CONNS_PER_SERVER ||
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dwOption == WINHTTP_OPTION_MAX_CONNS_PER_1_0_SERVER);
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if (dwOption == WINHTTP_OPTION_MAX_CONNS_PER_SERVER)
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_MaxConnectionsPerServer = dwMaxConnections;
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else
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_MaxConnectionsPer1_0Server = dwMaxConnections;
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}
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DWORD GetCodePage() { return _dwCodePage; }
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void SetCodePage(DWORD dwCodePage) { _dwCodePage = dwCodePage; }
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void AbortSocket (void);
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};
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