Simon Ford / NetServices

Version of http://mbed.org/cookbook/NetServicesTribute with setting set the same for LPC2368

Dependents:   UDPSocketExample 24LCxx_I2CApp WeatherPlatform_pachube HvZServerLib ... more

services/http/client/data/HTTPFile.cpp@0:350011bf8be7, 2010-11-23 (annotated)

Committer:
simon
Date:
Tue Nov 23 14:15:36 2010 +0000
Revision:
0:350011bf8be7
Experimental version for testing UDP

Who changed what in which revision?

UserRevisionLine numberNew contents of line
simon 0:350011bf8be7 1
simon 0:350011bf8be7 2 /*
simon 0:350011bf8be7 3 Copyright (c) 2010 Donatien Garnier (donatiengar [at] gmail [dot] com)
simon 0:350011bf8be7 4
simon 0:350011bf8be7 5 Permission is hereby granted, free of charge, to any person obtaining a copy
simon 0:350011bf8be7 6 of this software and associated documentation files (the "Software"), to deal
simon 0:350011bf8be7 7 in the Software without restriction, including without limitation the rights
simon 0:350011bf8be7 8 to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
simon 0:350011bf8be7 9 copies of the Software, and to permit persons to whom the Software is
simon 0:350011bf8be7 10 furnished to do so, subject to the following conditions:
simon 0:350011bf8be7 11
simon 0:350011bf8be7 12 The above copyright notice and this permission notice shall be included in
simon 0:350011bf8be7 13 all copies or substantial portions of the Software.
simon 0:350011bf8be7 14
simon 0:350011bf8be7 15 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
simon 0:350011bf8be7 16 IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
simon 0:350011bf8be7 17 FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
simon 0:350011bf8be7 18 AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
simon 0:350011bf8be7 19 LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
simon 0:350011bf8be7 20 OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
simon 0:350011bf8be7 21 THE SOFTWARE.
simon 0:350011bf8be7 22 */
simon 0:350011bf8be7 23
simon 0:350011bf8be7 24 #include "HTTPFile.h"
simon 0:350011bf8be7 25
simon 0:350011bf8be7 26 //#define __DEBUG
simon 0:350011bf8be7 27 #include "dbg/dbg.h"
simon 0:350011bf8be7 28
simon 0:350011bf8be7 29 HTTPFile::HTTPFile(const char* path) : HTTPData(), m_fp(NULL), m_path(path), m_len(0), m_chunked(false)
simon 0:350011bf8be7 30 {
simon 0:350011bf8be7 31
simon 0:350011bf8be7 32 }
simon 0:350011bf8be7 33
simon 0:350011bf8be7 34 HTTPFile::~HTTPFile()
simon 0:350011bf8be7 35 {
simon 0:350011bf8be7 36 closeFile();
simon 0:350011bf8be7 37 }
simon 0:350011bf8be7 38
simon 0:350011bf8be7 39 void HTTPFile::clear()
simon 0:350011bf8be7 40 {
simon 0:350011bf8be7 41 closeFile();
simon 0:350011bf8be7 42 //Force reopening
simon 0:350011bf8be7 43 }
simon 0:350011bf8be7 44
simon 0:350011bf8be7 45 int HTTPFile::read(char* buf, int len)
simon 0:350011bf8be7 46 {
simon 0:350011bf8be7 47 if(!openFile("r")) //File does not exist, or I/O error...
simon 0:350011bf8be7 48 return 0;
simon 0:350011bf8be7 49 len = fread(buf, 1, len, m_fp);
simon 0:350011bf8be7 50 if( feof(m_fp) )
simon 0:350011bf8be7 51 {
simon 0:350011bf8be7 52 //File read completely, we can close it
simon 0:350011bf8be7 53 closeFile();
simon 0:350011bf8be7 54 }
simon 0:350011bf8be7 55 return len;
simon 0:350011bf8be7 56 }
simon 0:350011bf8be7 57
simon 0:350011bf8be7 58 int HTTPFile::write(const char* buf, int len)
simon 0:350011bf8be7 59 {
simon 0:350011bf8be7 60 if(!openFile("w")) //File does not exist, or I/O error...
simon 0:350011bf8be7 61 return 0;
simon 0:350011bf8be7 62 len = fwrite(buf, 1, len, m_fp);
simon 0:350011bf8be7 63 DBG("Written %d bytes in %d\n", len, m_fp);
simon 0:350011bf8be7 64 if( (!m_chunked && (ftell(m_fp) >= m_len)) ||
simon 0:350011bf8be7 65 (m_chunked && !len) )
simon 0:350011bf8be7 66 {
simon 0:350011bf8be7 67 //File received completely, we can close it
simon 0:350011bf8be7 68 closeFile();
simon 0:350011bf8be7 69 }
simon 0:350011bf8be7 70 return len;
simon 0:350011bf8be7 71 }
simon 0:350011bf8be7 72
simon 0:350011bf8be7 73 string HTTPFile::getDataType() //Internet media type for Content-Type header
simon 0:350011bf8be7 74 {
simon 0:350011bf8be7 75 return ""; //Unknown
simon 0:350011bf8be7 76 }
simon 0:350011bf8be7 77
simon 0:350011bf8be7 78 void HTTPFile::setDataType(const string& type) //Internet media type from Content-Type header
simon 0:350011bf8be7 79 {
simon 0:350011bf8be7 80 //Do not really care here
simon 0:350011bf8be7 81 }
simon 0:350011bf8be7 82
simon 0:350011bf8be7 83 bool HTTPFile::getIsChunked() //For Transfer-Encoding header
simon 0:350011bf8be7 84 {
simon 0:350011bf8be7 85 return false;
simon 0:350011bf8be7 86 }
simon 0:350011bf8be7 87
simon 0:350011bf8be7 88 void HTTPFile::setIsChunked(bool chunked) //From Transfer-Encoding header
simon 0:350011bf8be7 89 {
simon 0:350011bf8be7 90 m_chunked = chunked;
simon 0:350011bf8be7 91 }
simon 0:350011bf8be7 92
simon 0:350011bf8be7 93 int HTTPFile::getDataLen() //For Content-Length header
simon 0:350011bf8be7 94 {
simon 0:350011bf8be7 95 return m_len;
simon 0:350011bf8be7 96 }
simon 0:350011bf8be7 97
simon 0:350011bf8be7 98 void HTTPFile::setDataLen(int len) //From Content-Length header, or if the transfer is chunked, next chunk length
simon 0:350011bf8be7 99 {
simon 0:350011bf8be7 100 if(!m_chunked)
simon 0:350011bf8be7 101 m_len = len; //Useful so that we can close file when last byte is written
simon 0:350011bf8be7 102 }
simon 0:350011bf8be7 103
simon 0:350011bf8be7 104 bool HTTPFile::openFile(const char* mode) //true on success, false otherwise
simon 0:350011bf8be7 105 {
simon 0:350011bf8be7 106 if(m_fp)
simon 0:350011bf8be7 107 return true;
simon 0:350011bf8be7 108
simon 0:350011bf8be7 109 m_fp = fopen(m_path.c_str(), mode);
simon 0:350011bf8be7 110 if(m_fp && mode[0]=='r')
simon 0:350011bf8be7 111 {
simon 0:350011bf8be7 112 //Seek EOF to get length
simon 0:350011bf8be7 113 fseek(m_fp, 0, SEEK_END);
simon 0:350011bf8be7 114 m_len = ftell(m_fp);
simon 0:350011bf8be7 115 fseek(m_fp, 0, SEEK_SET); //Goto SOF
simon 0:350011bf8be7 116 }
simon 0:350011bf8be7 117
simon 0:350011bf8be7 118 DBG("fd = %d\n", m_fp);
simon 0:350011bf8be7 119
simon 0:350011bf8be7 120 if(!m_fp)
simon 0:350011bf8be7 121 return false;
simon 0:350011bf8be7 122
simon 0:350011bf8be7 123 return true;
simon 0:350011bf8be7 124 }
simon 0:350011bf8be7 125
simon 0:350011bf8be7 126 void HTTPFile::closeFile()
simon 0:350011bf8be7 127 {
simon 0:350011bf8be7 128 if(m_fp)
simon 0:350011bf8be7 129 fclose(m_fp);
simon 0:350011bf8be7 130 }