Richard Blimmel / Mbed 2 deprecated CIG_HTTPClient

HTTPClient using static IP

Dependencies:   mbed

NetServices/services/http/client/data/HTTPFile.cpp@0:d8f2f7d5f31b, 2011-05-30 (annotated)

Committer:
mr_q
Date:
Mon May 30 11:53:37 2011 +0000
Revision:
0:d8f2f7d5f31b
v0.01 Draft

Who changed what in which revision?

UserRevisionLine numberNew contents of line
mr_q 0:d8f2f7d5f31b 1
mr_q 0:d8f2f7d5f31b 2 /*
mr_q 0:d8f2f7d5f31b 3 Copyright (c) 2010 Donatien Garnier (donatiengar [at] gmail [dot] com)
mr_q 0:d8f2f7d5f31b 4
mr_q 0:d8f2f7d5f31b 5 Permission is hereby granted, free of charge, to any person obtaining a copy
mr_q 0:d8f2f7d5f31b 6 of this software and associated documentation files (the "Software"), to deal
mr_q 0:d8f2f7d5f31b 7 in the Software without restriction, including without limitation the rights
mr_q 0:d8f2f7d5f31b 8 to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
mr_q 0:d8f2f7d5f31b 9 copies of the Software, and to permit persons to whom the Software is
mr_q 0:d8f2f7d5f31b 10 furnished to do so, subject to the following conditions:
mr_q 0:d8f2f7d5f31b 11
mr_q 0:d8f2f7d5f31b 12 The above copyright notice and this permission notice shall be included in
mr_q 0:d8f2f7d5f31b 13 all copies or substantial portions of the Software.
mr_q 0:d8f2f7d5f31b 14
mr_q 0:d8f2f7d5f31b 15 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
mr_q 0:d8f2f7d5f31b 16 IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
mr_q 0:d8f2f7d5f31b 17 FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
mr_q 0:d8f2f7d5f31b 18 AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
mr_q 0:d8f2f7d5f31b 19 LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
mr_q 0:d8f2f7d5f31b 20 OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
mr_q 0:d8f2f7d5f31b 21 THE SOFTWARE.
mr_q 0:d8f2f7d5f31b 22 */
mr_q 0:d8f2f7d5f31b 23
mr_q 0:d8f2f7d5f31b 24 #include "HTTPFile.h"
mr_q 0:d8f2f7d5f31b 25
mr_q 0:d8f2f7d5f31b 26 //#define __DEBUG
mr_q 0:d8f2f7d5f31b 27 #include "dbg/dbg.h"
mr_q 0:d8f2f7d5f31b 28
mr_q 0:d8f2f7d5f31b 29 HTTPFile::HTTPFile(const char* path) : HTTPData(), m_fp(NULL), m_path(path), m_len(0), m_chunked(false)
mr_q 0:d8f2f7d5f31b 30 {
mr_q 0:d8f2f7d5f31b 31
mr_q 0:d8f2f7d5f31b 32 }
mr_q 0:d8f2f7d5f31b 33
mr_q 0:d8f2f7d5f31b 34 HTTPFile::~HTTPFile()
mr_q 0:d8f2f7d5f31b 35 {
mr_q 0:d8f2f7d5f31b 36 closeFile();
mr_q 0:d8f2f7d5f31b 37 }
mr_q 0:d8f2f7d5f31b 38
mr_q 0:d8f2f7d5f31b 39 void HTTPFile::clear()
mr_q 0:d8f2f7d5f31b 40 {
mr_q 0:d8f2f7d5f31b 41 closeFile();
mr_q 0:d8f2f7d5f31b 42 //Force reopening
mr_q 0:d8f2f7d5f31b 43 }
mr_q 0:d8f2f7d5f31b 44
mr_q 0:d8f2f7d5f31b 45 int HTTPFile::read(char* buf, int len)
mr_q 0:d8f2f7d5f31b 46 {
mr_q 0:d8f2f7d5f31b 47 if(!openFile("r")) //File does not exist, or I/O error...
mr_q 0:d8f2f7d5f31b 48 return 0;
mr_q 0:d8f2f7d5f31b 49 len = fread(buf, 1, len, m_fp);
mr_q 0:d8f2f7d5f31b 50 if( feof(m_fp) )
mr_q 0:d8f2f7d5f31b 51 {
mr_q 0:d8f2f7d5f31b 52 //File read completely, we can close it
mr_q 0:d8f2f7d5f31b 53 closeFile();
mr_q 0:d8f2f7d5f31b 54 }
mr_q 0:d8f2f7d5f31b 55 return len;
mr_q 0:d8f2f7d5f31b 56 }
mr_q 0:d8f2f7d5f31b 57
mr_q 0:d8f2f7d5f31b 58 int HTTPFile::write(const char* buf, int len)
mr_q 0:d8f2f7d5f31b 59 {
mr_q 0:d8f2f7d5f31b 60 if(!openFile("w")) //File does not exist, or I/O error...
mr_q 0:d8f2f7d5f31b 61 return 0;
mr_q 0:d8f2f7d5f31b 62 len = fwrite(buf, 1, len, m_fp);
mr_q 0:d8f2f7d5f31b 63 DBG("Written %d bytes in %d\n", len, m_fp);
mr_q 0:d8f2f7d5f31b 64 if( (!m_chunked && (ftell(m_fp) >= m_len)) ||
mr_q 0:d8f2f7d5f31b 65 (m_chunked && !len) )
mr_q 0:d8f2f7d5f31b 66 {
mr_q 0:d8f2f7d5f31b 67 //File received completely, we can close it
mr_q 0:d8f2f7d5f31b 68 closeFile();
mr_q 0:d8f2f7d5f31b 69 }
mr_q 0:d8f2f7d5f31b 70 return len;
mr_q 0:d8f2f7d5f31b 71 }
mr_q 0:d8f2f7d5f31b 72
mr_q 0:d8f2f7d5f31b 73 string HTTPFile::getDataType() //Internet media type for Content-Type header
mr_q 0:d8f2f7d5f31b 74 {
mr_q 0:d8f2f7d5f31b 75 return ""; //Unknown
mr_q 0:d8f2f7d5f31b 76 }
mr_q 0:d8f2f7d5f31b 77
mr_q 0:d8f2f7d5f31b 78 void HTTPFile::setDataType(const string& type) //Internet media type from Content-Type header
mr_q 0:d8f2f7d5f31b 79 {
mr_q 0:d8f2f7d5f31b 80 //Do not really care here
mr_q 0:d8f2f7d5f31b 81 }
mr_q 0:d8f2f7d5f31b 82
mr_q 0:d8f2f7d5f31b 83 bool HTTPFile::getIsChunked() //For Transfer-Encoding header
mr_q 0:d8f2f7d5f31b 84 {
mr_q 0:d8f2f7d5f31b 85 return false;
mr_q 0:d8f2f7d5f31b 86 }
mr_q 0:d8f2f7d5f31b 87
mr_q 0:d8f2f7d5f31b 88 void HTTPFile::setIsChunked(bool chunked) //From Transfer-Encoding header
mr_q 0:d8f2f7d5f31b 89 {
mr_q 0:d8f2f7d5f31b 90 m_chunked = chunked;
mr_q 0:d8f2f7d5f31b 91 }
mr_q 0:d8f2f7d5f31b 92
mr_q 0:d8f2f7d5f31b 93 int HTTPFile::getDataLen() //For Content-Length header
mr_q 0:d8f2f7d5f31b 94 {
mr_q 0:d8f2f7d5f31b 95 return m_len;
mr_q 0:d8f2f7d5f31b 96 }
mr_q 0:d8f2f7d5f31b 97
mr_q 0:d8f2f7d5f31b 98 void HTTPFile::setDataLen(int len) //From Content-Length header, or if the transfer is chunked, next chunk length
mr_q 0:d8f2f7d5f31b 99 {
mr_q 0:d8f2f7d5f31b 100 if(!m_chunked)
mr_q 0:d8f2f7d5f31b 101 m_len = len; //Useful so that we can close file when last byte is written
mr_q 0:d8f2f7d5f31b 102 }
mr_q 0:d8f2f7d5f31b 103
mr_q 0:d8f2f7d5f31b 104 bool HTTPFile::openFile(const char* mode) //true on success, false otherwise
mr_q 0:d8f2f7d5f31b 105 {
mr_q 0:d8f2f7d5f31b 106 if(m_fp)
mr_q 0:d8f2f7d5f31b 107 return true;
mr_q 0:d8f2f7d5f31b 108
mr_q 0:d8f2f7d5f31b 109 m_fp = fopen(m_path.c_str(), mode);
mr_q 0:d8f2f7d5f31b 110 if(m_fp && mode[0]=='r')
mr_q 0:d8f2f7d5f31b 111 {
mr_q 0:d8f2f7d5f31b 112 //Seek EOF to get length
mr_q 0:d8f2f7d5f31b 113 fseek(m_fp, 0, SEEK_END);
mr_q 0:d8f2f7d5f31b 114 m_len = ftell(m_fp);
mr_q 0:d8f2f7d5f31b 115 fseek(m_fp, 0, SEEK_SET); //Goto SOF
mr_q 0:d8f2f7d5f31b 116 }
mr_q 0:d8f2f7d5f31b 117
mr_q 0:d8f2f7d5f31b 118 DBG("fd = %d\n", m_fp);
mr_q 0:d8f2f7d5f31b 119
mr_q 0:d8f2f7d5f31b 120 if(!m_fp)
mr_q 0:d8f2f7d5f31b 121 return false;
mr_q 0:d8f2f7d5f31b 122
mr_q 0:d8f2f7d5f31b 123 return true;
mr_q 0:d8f2f7d5f31b 124 }
mr_q 0:d8f2f7d5f31b 125
mr_q 0:d8f2f7d5f31b 126 void HTTPFile::closeFile()
mr_q 0:d8f2f7d5f31b 127 {
mr_q 0:d8f2f7d5f31b 128 if(m_fp)
mr_q 0:d8f2f7d5f31b 129 fclose(m_fp);
mr_q 0:d8f2f7d5f31b 130 }