Nino Der Kinderen / Mbed 2 deprecated InetTest

Embedded C project:18/12/2014

Dependencies:   DS1307 TextLCD mbed

NetServices/services/http/client/data/HTTPFile.cpp@0:8d87bc453349, 2014-12-18 (annotated)

Committer:
ninoderkinderen
Date:
Thu Dec 18 09:35:49 2014 +0000
Revision:
0:8d87bc453349
Programma embedded C

Who changed what in which revision?

UserRevisionLine numberNew contents of line
ninoderkinderen 0:8d87bc453349 1
ninoderkinderen 0:8d87bc453349 2 /*
ninoderkinderen 0:8d87bc453349 3 Copyright (c) 2010 Donatien Garnier (donatiengar [at] gmail [dot] com)
ninoderkinderen 0:8d87bc453349 4
ninoderkinderen 0:8d87bc453349 5 Permission is hereby granted, free of charge, to any person obtaining a copy
ninoderkinderen 0:8d87bc453349 6 of this software and associated documentation files (the "Software"), to deal
ninoderkinderen 0:8d87bc453349 7 in the Software without restriction, including without limitation the rights
ninoderkinderen 0:8d87bc453349 8 to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
ninoderkinderen 0:8d87bc453349 9 copies of the Software, and to permit persons to whom the Software is
ninoderkinderen 0:8d87bc453349 10 furnished to do so, subject to the following conditions:
ninoderkinderen 0:8d87bc453349 11
ninoderkinderen 0:8d87bc453349 12 The above copyright notice and this permission notice shall be included in
ninoderkinderen 0:8d87bc453349 13 all copies or substantial portions of the Software.
ninoderkinderen 0:8d87bc453349 14
ninoderkinderen 0:8d87bc453349 15 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
ninoderkinderen 0:8d87bc453349 16 IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
ninoderkinderen 0:8d87bc453349 17 FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
ninoderkinderen 0:8d87bc453349 18 AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
ninoderkinderen 0:8d87bc453349 19 LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
ninoderkinderen 0:8d87bc453349 20 OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
ninoderkinderen 0:8d87bc453349 21 THE SOFTWARE.
ninoderkinderen 0:8d87bc453349 22 */
ninoderkinderen 0:8d87bc453349 23
ninoderkinderen 0:8d87bc453349 24 #include "HTTPFile.h"
ninoderkinderen 0:8d87bc453349 25
ninoderkinderen 0:8d87bc453349 26 //#define __DEBUG
ninoderkinderen 0:8d87bc453349 27 #include "dbg/dbg.h"
ninoderkinderen 0:8d87bc453349 28
ninoderkinderen 0:8d87bc453349 29 HTTPFile::HTTPFile(const char* path) : HTTPData(), m_fp(NULL), m_path(path), m_len(0), m_chunked(false)
ninoderkinderen 0:8d87bc453349 30 {
ninoderkinderen 0:8d87bc453349 31
ninoderkinderen 0:8d87bc453349 32 }
ninoderkinderen 0:8d87bc453349 33
ninoderkinderen 0:8d87bc453349 34 HTTPFile::~HTTPFile()
ninoderkinderen 0:8d87bc453349 35 {
ninoderkinderen 0:8d87bc453349 36 closeFile();
ninoderkinderen 0:8d87bc453349 37 }
ninoderkinderen 0:8d87bc453349 38
ninoderkinderen 0:8d87bc453349 39 void HTTPFile::clear()
ninoderkinderen 0:8d87bc453349 40 {
ninoderkinderen 0:8d87bc453349 41 closeFile();
ninoderkinderen 0:8d87bc453349 42 //Force reopening
ninoderkinderen 0:8d87bc453349 43 }
ninoderkinderen 0:8d87bc453349 44
ninoderkinderen 0:8d87bc453349 45 int HTTPFile::read(char* buf, int len)
ninoderkinderen 0:8d87bc453349 46 {
ninoderkinderen 0:8d87bc453349 47 if(!openFile("r")) //File does not exist, or I/O error...
ninoderkinderen 0:8d87bc453349 48 return 0;
ninoderkinderen 0:8d87bc453349 49 len = fread(buf, 1, len, m_fp);
ninoderkinderen 0:8d87bc453349 50 if( feof(m_fp) )
ninoderkinderen 0:8d87bc453349 51 {
ninoderkinderen 0:8d87bc453349 52 //File read completely, we can close it
ninoderkinderen 0:8d87bc453349 53 closeFile();
ninoderkinderen 0:8d87bc453349 54 }
ninoderkinderen 0:8d87bc453349 55 return len;
ninoderkinderen 0:8d87bc453349 56 }
ninoderkinderen 0:8d87bc453349 57
ninoderkinderen 0:8d87bc453349 58 int HTTPFile::write(const char* buf, int len)
ninoderkinderen 0:8d87bc453349 59 {
ninoderkinderen 0:8d87bc453349 60 if(!openFile("w")) //File does not exist, or I/O error...
ninoderkinderen 0:8d87bc453349 61 return 0;
ninoderkinderen 0:8d87bc453349 62 len = fwrite(buf, 1, len, m_fp);
ninoderkinderen 0:8d87bc453349 63 DBG("Written %d bytes in %d\n", len, m_fp);
ninoderkinderen 0:8d87bc453349 64 if( (!m_chunked && (ftell(m_fp) >= m_len)) ||
ninoderkinderen 0:8d87bc453349 65 (m_chunked && !len) )
ninoderkinderen 0:8d87bc453349 66 {
ninoderkinderen 0:8d87bc453349 67 //File received completely, we can close it
ninoderkinderen 0:8d87bc453349 68 closeFile();
ninoderkinderen 0:8d87bc453349 69 }
ninoderkinderen 0:8d87bc453349 70 return len;
ninoderkinderen 0:8d87bc453349 71 }
ninoderkinderen 0:8d87bc453349 72
ninoderkinderen 0:8d87bc453349 73 string HTTPFile::getDataType() //Internet media type for Content-Type header
ninoderkinderen 0:8d87bc453349 74 {
ninoderkinderen 0:8d87bc453349 75 return ""; //Unknown
ninoderkinderen 0:8d87bc453349 76 }
ninoderkinderen 0:8d87bc453349 77
ninoderkinderen 0:8d87bc453349 78 void HTTPFile::setDataType(const string& type) //Internet media type from Content-Type header
ninoderkinderen 0:8d87bc453349 79 {
ninoderkinderen 0:8d87bc453349 80 //Do not really care here
ninoderkinderen 0:8d87bc453349 81 }
ninoderkinderen 0:8d87bc453349 82
ninoderkinderen 0:8d87bc453349 83 bool HTTPFile::getIsChunked() //For Transfer-Encoding header
ninoderkinderen 0:8d87bc453349 84 {
ninoderkinderen 0:8d87bc453349 85 return false;
ninoderkinderen 0:8d87bc453349 86 }
ninoderkinderen 0:8d87bc453349 87
ninoderkinderen 0:8d87bc453349 88 void HTTPFile::setIsChunked(bool chunked) //From Transfer-Encoding header
ninoderkinderen 0:8d87bc453349 89 {
ninoderkinderen 0:8d87bc453349 90 m_chunked = chunked;
ninoderkinderen 0:8d87bc453349 91 }
ninoderkinderen 0:8d87bc453349 92
ninoderkinderen 0:8d87bc453349 93 int HTTPFile::getDataLen() //For Content-Length header
ninoderkinderen 0:8d87bc453349 94 {
ninoderkinderen 0:8d87bc453349 95 return m_len;
ninoderkinderen 0:8d87bc453349 96 }
ninoderkinderen 0:8d87bc453349 97
ninoderkinderen 0:8d87bc453349 98 void HTTPFile::setDataLen(int len) //From Content-Length header, or if the transfer is chunked, next chunk length
ninoderkinderen 0:8d87bc453349 99 {
ninoderkinderen 0:8d87bc453349 100 if(!m_chunked)
ninoderkinderen 0:8d87bc453349 101 m_len = len; //Useful so that we can close file when last byte is written
ninoderkinderen 0:8d87bc453349 102 }
ninoderkinderen 0:8d87bc453349 103
ninoderkinderen 0:8d87bc453349 104 bool HTTPFile::openFile(const char* mode) //true on success, false otherwise
ninoderkinderen 0:8d87bc453349 105 {
ninoderkinderen 0:8d87bc453349 106 if(m_fp)
ninoderkinderen 0:8d87bc453349 107 return true;
ninoderkinderen 0:8d87bc453349 108
ninoderkinderen 0:8d87bc453349 109 m_fp = fopen(m_path.c_str(), mode);
ninoderkinderen 0:8d87bc453349 110 if(m_fp && mode[0]=='r')
ninoderkinderen 0:8d87bc453349 111 {
ninoderkinderen 0:8d87bc453349 112 //Seek EOF to get length
ninoderkinderen 0:8d87bc453349 113 fseek(m_fp, 0, SEEK_END);
ninoderkinderen 0:8d87bc453349 114 m_len = ftell(m_fp);
ninoderkinderen 0:8d87bc453349 115 fseek(m_fp, 0, SEEK_SET); //Goto SOF
ninoderkinderen 0:8d87bc453349 116 }
ninoderkinderen 0:8d87bc453349 117
ninoderkinderen 0:8d87bc453349 118 DBG("fd = %d\n", m_fp);
ninoderkinderen 0:8d87bc453349 119
ninoderkinderen 0:8d87bc453349 120 if(!m_fp)
ninoderkinderen 0:8d87bc453349 121 return false;
ninoderkinderen 0:8d87bc453349 122
ninoderkinderen 0:8d87bc453349 123 return true;
ninoderkinderen 0:8d87bc453349 124 }
ninoderkinderen 0:8d87bc453349 125
ninoderkinderen 0:8d87bc453349 126 void HTTPFile::closeFile()
ninoderkinderen 0:8d87bc453349 127 {
ninoderkinderen 0:8d87bc453349 128 if(m_fp)
ninoderkinderen 0:8d87bc453349 129 fclose(m_fp);
ninoderkinderen 0:8d87bc453349 130 }