BinHTTPURLInputStream.hpp
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上传日期:2007-01-10
资源大小:6948k
文件大小:6k
源码类别:
xml/soap/webservice
开发平台:
C/C++
- /*
- * The Apache Software License, Version 1.1
- *
- * Copyright (c) 1999-2000 The Apache Software Foundation. All rights
- * reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in
- * the documentation and/or other materials provided with the
- * distribution.
- *
- * 3. The end-user documentation included with the redistribution,
- * if any, must include the following acknowledgment:
- * "This product includes software developed by the
- * Apache Software Foundation (http://www.apache.org/)."
- * Alternately, this acknowledgment may appear in the software itself,
- * if and wherever such third-party acknowledgments normally appear.
- *
- * 4. The names "Xerces" and "Apache Software Foundation" must
- * not be used to endorse or promote products derived from this
- * software without prior written permission. For written
- * permission, please contact apache@apache.org.
- *
- * 5. Products derived from this software may not be called "Apache",
- * nor may "Apache" appear in their name, without prior written
- * permission of the Apache Software Foundation.
- *
- * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
- * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
- * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
- * DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
- * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
- * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
- * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
- * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
- * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- * ====================================================================
- *
- * This software consists of voluntary contributions made by many
- * individuals on behalf of the Apache Software Foundation, and was
- * originally based on software copyright (c) 1999, International
- * Business Machines, Inc., http://www.ibm.com . For more information
- * on the Apache Software Foundation, please see
- * <http://www.apache.org/>.
- */
- /*
- * $Log: BinHTTPURLInputStream.hpp,v $
- * Revision 1.5 2001/10/25 16:26:39 tng
- * [Bug 4213] BinHTTPURLInputStream initialisation not thread safe. By Mark Weaver.
- *
- * Revision 1.4 2001/01/22 16:43:39 tng
- * Loads winsock dynamically. Fixed by Curt Arnold.
- * Winsock2 is not initialized unless an http URL is used. If an http
- * URL is used and the Winsock 2 DLL is not installed, then an NetAccessor
- * initialization exception is thrown.
- *
- * Revision 1.3 2000/07/21 03:22:45 andyh
- * Improved (but still weak) http access by the parser.
- * Windows only. UNIX will follow, probably tomorrow.
- *
- * Revision 1.2 2000/03/22 00:21:10 rahulj
- * Now we throw exceptions when errors occur.
- * Simplified the code, based on the assumption that
- * the calling function will make sure that the buffer into
- * which the data has to be read is large enough.
- *
- * Revision 1.1 2000/03/17 02:37:54 rahulj
- * First cut at adding HTTP capability via native sockets.
- * Still need to add:
- * error handling capability, ports other than 80,
- * escaped URL's
- * Will add options in project file only when I am done with these
- * above changes.
- *
- */
- #if !defined(BINHTTPURLINPUTSTREAM_HPP)
- #define BINHTTPURLINPUTSTREAM_HPP
- #include <util/XMLURL.hpp>
- #include <util/XMLExceptMsgs.hpp>
- #include <util/BinInputStream.hpp>
- #include <util/Mutexes.hpp>
- //
- // This class implements the BinInputStream interface specified by the XML
- // parser.
- //
- struct hostent;
- struct sockaddr;
- class XMLUTIL_EXPORT BinHTTPURLInputStream : public BinInputStream
- {
- public :
- BinHTTPURLInputStream(const XMLURL& urlSource);
- ~BinHTTPURLInputStream();
- unsigned int curPos() const;
- unsigned int readBytes
- (
- XMLByte* const toFill
- , const unsigned int maxToRead
- );
- static void Cleanup();
- private :
- // -----------------------------------------------------------------------
- // Private data members
- //
- // fSocketHandle
- // The socket representing the connection to the remote file.
- // We deliberately did not define the type to be SOCKET, so as to
- // avoid bringing in any Windows header into this file.
- // fBytesProcessed
- // Its a rolling count of the number of bytes processed off this
- // input stream.
- // fBuffer
- // Holds the http header, plus the first part of the actual
- // data. Filled at the time the stream is opened, data goes
- // out to user in response to readBytes().
- // fBufferPos, fBufferEnd
- // Pointers into fBuffer, showing start and end+1 of content
- // that readBytes must return.
- // -----------------------------------------------------------------------
- unsigned int fSocketHandle;
- unsigned int fBytesProcessed;
- char fBuffer[4000];
- char * fBufferEnd;
- char * fBufferPos;
- static bool fInitialized;
- static XMLMutex* fInitMutex;
- static void Initialize();
- inline static hostent* gethostbyname(const char* name);
- inline static unsigned long inet_addr(const char* cp);
- inline static hostent* gethostbyaddr(const char* addr,int len,int type);
- inline static unsigned short htons(unsigned short hostshort);
- inline static unsigned short socket(int af,int type,int protocol);
- inline static int connect(unsigned short s,const sockaddr* name,int namelen);
- inline static int send(unsigned short s,const char* buf,int len,int flags);
- inline static int recv(unsigned short s,char* buf,int len,int flags);
- inline static int shutdown(unsigned int s,int how);
- inline static int closesocket(unsigned int socket);
- };
- inline unsigned int BinHTTPURLInputStream::curPos() const
- {
- return fBytesProcessed;
- }
- #endif // BINHTTPURLINPUTSTREAM_HPP