HTTPFile.cpp

00001 #include "HTTPFile.h"
00002 
00003 //#define DEBUG "HTfi"
00004 #include <cstdio>
00005 #if (defined(DEBUG) && !defined(TARGET_LPC11U24))
00006 #define DBG(x, ...)  std::printf("[DBG %s %4d] "x"\r\n", DEBUG, __LINE__, ##__VA_ARGS__);
00007 #define WARN(x, ...) std::printf("[WRN %s %4d] "x"\r\n", DEBUG, __LINE__, ##__VA_ARGS__);
00008 #define ERR(x, ...)  std::printf("[ERR %s %4d] "x"\r\n", DEBUG, __LINE__, ##__VA_ARGS__);
00009 #define INFO(x, ...) std::printf("[INF %s %4d] "x"\r\n", DEBUG, __LINE__, ##__VA_ARGS__);
00010 #else
00011 #define DBG(x, ...)
00012 #define WARN(x, ...)
00013 #define ERR(x, ...)
00014 #define INFO(x, ...)
00015 #endif
00016 
00017 HTTPFile::HTTPFile(char* filename) {
00018     INFO("HTTPFile %s", filename);
00019     file = fopen(filename, "w");   
00020     m_chunked = false; 
00021 }
00022 
00023 void HTTPFile::close() {
00024     INFO("close()");
00025     if (file) {
00026         fclose(file);
00027         file = NULL;
00028     }        
00029 }
00030 
00031 void HTTPFile::writeReset() {
00032     INFO("writeReset()");
00033     if (file) {
00034         rewind(file);   
00035     }
00036 }
00037 
00038 int HTTPFile::write(const char* buf, size_t len) {
00039     size_t written;
00040     INFO("write(%d,%s) m_len(%d), chunk %d", len, buf, m_len, m_chunked);
00041     if (file) {
00042         written = fwrite(buf, 1, len, file);   
00043         INFO("  writ:%d, ftell: %d", written, ftell(file)); 
00044         if ((!m_chunked && ((size_t)ftell(file) >= m_len)) || (m_chunked && !written)) {
00045             INFO("closing");
00046             close();
00047         }
00048     }
00049     return len;    
00050 }
00051 
00052 void HTTPFile::setDataType(const char* type) {
00053     INFO("setDataType(%s)", type);
00054 }
00055 
00056 //void HTTPFile::setLocation(const char * location) {
00057 //
00058 //}
00059 
00060 void HTTPFile::setIsChunked(bool chunked) {
00061     INFO("setIsChunked(%d)", chunked);
00062     m_chunked = chunked;
00063 }
00064 
00065 void HTTPFile::setDataLen(size_t len) {
00066     INFO("setDataLen(%d)", len);
00067     m_len = len;
00068 }