| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You under the Apache License, Version 2.0 |
| * (the "License"); you may not use this file except in compliance with |
| * the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| /* |
| * $Id: BinHTTPURLInputStream.hpp 568078 2007-08-21 11:43:25Z amassari $ |
| */ |
| |
| #if !defined(BINHTTPURLINPUTSTREAM_HPP) |
| #define BINHTTPURLINPUTSTREAM_HPP |
| |
| |
| #include <xercesc/util/XMLURL.hpp> |
| #include <xercesc/util/XMLExceptMsgs.hpp> |
| #include <xercesc/util/BinInputStream.hpp> |
| #include <xercesc/util/Mutexes.hpp> |
| #include <xercesc/util/XMLNetAccessor.hpp> |
| |
| // |
| // This class implements the BinInputStream interface specified by the XML |
| // parser. |
| // |
| struct hostent; |
| struct sockaddr; |
| |
| XERCES_CPP_NAMESPACE_BEGIN |
| |
| class XMLUTIL_EXPORT BinHTTPURLInputStream : public BinInputStream |
| { |
| public : |
| BinHTTPURLInputStream(const XMLURL& urlSource, const XMLNetHTTPInfo* httpInfo=0); |
| ~BinHTTPURLInputStream(); |
| |
| unsigned int curPos() const; |
| unsigned int readBytes |
| ( |
| XMLByte* const toFill |
| , const unsigned int maxToRead |
| ); |
| |
| static void Cleanup(); |
| |
| |
| private : |
| // ----------------------------------------------------------------------- |
| // Unimplemented constructors and operators |
| // ----------------------------------------------------------------------- |
| BinHTTPURLInputStream(const BinHTTPURLInputStream&); |
| BinHTTPURLInputStream& operator=(const BinHTTPURLInputStream&); |
| // ----------------------------------------------------------------------- |
| // 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. |
| // ----------------------------------------------------------------------- |
| MemoryManager* fMemoryManager; |
| unsigned int fSocketHandle; |
| unsigned int fBytesProcessed; |
| char fBuffer[4000]; |
| char * fBufferEnd; |
| char * fBufferPos; |
| static bool fInitialized; |
| static XMLMutex* fInitMutex; |
| |
| static void Initialize(MemoryManager* const manager = XMLPlatformUtils::fgMemoryManager); |
| |
| 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 int socket(int af,int type,int protocol); |
| inline static int connect(unsigned int s,const sockaddr* name,int namelen); |
| inline static int send(unsigned int s,const char* buf,int len,int flags); |
| inline static int recv(unsigned int s,char* buf,int len,int flags); |
| inline static int shutdown(unsigned int s,int how); |
| inline static int closesocket(unsigned int socket); |
| |
| friend class SocketJanitor; |
| }; |
| |
| |
| inline unsigned int BinHTTPURLInputStream::curPos() const |
| { |
| return fBytesProcessed; |
| } |
| |
| XERCES_CPP_NAMESPACE_END |
| |
| #endif // BINHTTPURLINPUTSTREAM_HPP |