HTTPFile.h

00001 #ifndef HTTPFILE_H
00002 #define HTTPFILE_H
00003 
00004 #include <mbed.h>
00005 #include "../IHTTPData.h"
00006 
00007 class HTTPFile : public IHTTPDataIn {
00008     
00009     public:
00010         HTTPFile(char* filename);
00011         
00012         /** Closes the file, should be called once the http connection is closed.
00013          */
00014         void close();
00015         
00016     protected:     
00017        
00018         friend class HTTPClient;
00019     
00020         /** Reset stream to its beginning 
00021         * Called by the HTTPClient on each new request
00022         */
00023         virtual void writeReset();
00024         
00025         /** Write a piece of data transmitted by the server
00026         * @param buf Pointer to the buffer from which to copy the data
00027         * @param len Length of the buffer
00028         */
00029         virtual int write(const char* buf, size_t len);
00030         
00031         /** Set MIME type
00032         * @param type Internet media type from Content-Type header
00033         */
00034         virtual void setDataType(const char* type);
00035         
00036         /** Determine whether the data is chunked
00037         *  Recovered from Transfer-Encoding header
00038         */
00039         virtual void setIsChunked(bool chunked);
00040         
00041         /** If the data is not chunked, set its size
00042         * From Content-Length header
00043         */
00044         virtual void setDataLen(size_t len);
00045     private:
00046         FILE *file;
00047         size_t m_len;
00048         bool m_chunked;
00049 };
00050 #endif