Modified version of NetServices. Fixes an issue where connections failed should the HTTP response status line be received in a packet on its own prior to any further headers. Changes are made to the HTTPClient.cpp file's readHeaders method.

Committer:
andrewbonney
Date:
Fri Apr 08 14:39:41 2011 +0000
Revision:
0:ec559500a63f

        

Who changed what in which revision?

UserRevisionLine numberNew contents of line
andrewbonney 0:ec559500a63f 1
andrewbonney 0:ec559500a63f 2 /*
andrewbonney 0:ec559500a63f 3 Copyright (c) 2010 Donatien Garnier (donatiengar [at] gmail [dot] com)
andrewbonney 0:ec559500a63f 4
andrewbonney 0:ec559500a63f 5 Permission is hereby granted, free of charge, to any person obtaining a copy
andrewbonney 0:ec559500a63f 6 of this software and associated documentation files (the "Software"), to deal
andrewbonney 0:ec559500a63f 7 in the Software without restriction, including without limitation the rights
andrewbonney 0:ec559500a63f 8 to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
andrewbonney 0:ec559500a63f 9 copies of the Software, and to permit persons to whom the Software is
andrewbonney 0:ec559500a63f 10 furnished to do so, subject to the following conditions:
andrewbonney 0:ec559500a63f 11
andrewbonney 0:ec559500a63f 12 The above copyright notice and this permission notice shall be included in
andrewbonney 0:ec559500a63f 13 all copies or substantial portions of the Software.
andrewbonney 0:ec559500a63f 14
andrewbonney 0:ec559500a63f 15 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
andrewbonney 0:ec559500a63f 16 IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
andrewbonney 0:ec559500a63f 17 FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
andrewbonney 0:ec559500a63f 18 AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
andrewbonney 0:ec559500a63f 19 LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
andrewbonney 0:ec559500a63f 20 OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
andrewbonney 0:ec559500a63f 21 THE SOFTWARE.
andrewbonney 0:ec559500a63f 22 */
andrewbonney 0:ec559500a63f 23
andrewbonney 0:ec559500a63f 24 #include "HTTPFile.h"
andrewbonney 0:ec559500a63f 25
andrewbonney 0:ec559500a63f 26 //#define __DEBUG
andrewbonney 0:ec559500a63f 27 #include "dbg/dbg.h"
andrewbonney 0:ec559500a63f 28
andrewbonney 0:ec559500a63f 29 HTTPFile::HTTPFile(const char* path) : HTTPData(), m_fp(NULL), m_path(path), m_len(0), m_chunked(false)
andrewbonney 0:ec559500a63f 30 {
andrewbonney 0:ec559500a63f 31
andrewbonney 0:ec559500a63f 32 }
andrewbonney 0:ec559500a63f 33
andrewbonney 0:ec559500a63f 34 HTTPFile::~HTTPFile()
andrewbonney 0:ec559500a63f 35 {
andrewbonney 0:ec559500a63f 36 closeFile();
andrewbonney 0:ec559500a63f 37 }
andrewbonney 0:ec559500a63f 38
andrewbonney 0:ec559500a63f 39 void HTTPFile::clear()
andrewbonney 0:ec559500a63f 40 {
andrewbonney 0:ec559500a63f 41 closeFile();
andrewbonney 0:ec559500a63f 42 //Force reopening
andrewbonney 0:ec559500a63f 43 }
andrewbonney 0:ec559500a63f 44
andrewbonney 0:ec559500a63f 45 int HTTPFile::read(char* buf, int len)
andrewbonney 0:ec559500a63f 46 {
andrewbonney 0:ec559500a63f 47 if(!openFile("r")) //File does not exist, or I/O error...
andrewbonney 0:ec559500a63f 48 return 0;
andrewbonney 0:ec559500a63f 49 len = fread(buf, 1, len, m_fp);
andrewbonney 0:ec559500a63f 50 if( feof(m_fp) )
andrewbonney 0:ec559500a63f 51 {
andrewbonney 0:ec559500a63f 52 //File read completely, we can close it
andrewbonney 0:ec559500a63f 53 closeFile();
andrewbonney 0:ec559500a63f 54 }
andrewbonney 0:ec559500a63f 55 return len;
andrewbonney 0:ec559500a63f 56 }
andrewbonney 0:ec559500a63f 57
andrewbonney 0:ec559500a63f 58 int HTTPFile::write(const char* buf, int len)
andrewbonney 0:ec559500a63f 59 {
andrewbonney 0:ec559500a63f 60 if(!openFile("w")) //File does not exist, or I/O error...
andrewbonney 0:ec559500a63f 61 return 0;
andrewbonney 0:ec559500a63f 62 len = fwrite(buf, 1, len, m_fp);
andrewbonney 0:ec559500a63f 63 DBG("Written %d bytes in %d\n", len, m_fp);
andrewbonney 0:ec559500a63f 64 if( (!m_chunked && (ftell(m_fp) >= m_len)) ||
andrewbonney 0:ec559500a63f 65 (m_chunked && !len) )
andrewbonney 0:ec559500a63f 66 {
andrewbonney 0:ec559500a63f 67 //File received completely, we can close it
andrewbonney 0:ec559500a63f 68 closeFile();
andrewbonney 0:ec559500a63f 69 }
andrewbonney 0:ec559500a63f 70 return len;
andrewbonney 0:ec559500a63f 71 }
andrewbonney 0:ec559500a63f 72
andrewbonney 0:ec559500a63f 73 string HTTPFile::getDataType() //Internet media type for Content-Type header
andrewbonney 0:ec559500a63f 74 {
andrewbonney 0:ec559500a63f 75 return ""; //Unknown
andrewbonney 0:ec559500a63f 76 }
andrewbonney 0:ec559500a63f 77
andrewbonney 0:ec559500a63f 78 void HTTPFile::setDataType(const string& type) //Internet media type from Content-Type header
andrewbonney 0:ec559500a63f 79 {
andrewbonney 0:ec559500a63f 80 //Do not really care here
andrewbonney 0:ec559500a63f 81 }
andrewbonney 0:ec559500a63f 82
andrewbonney 0:ec559500a63f 83 bool HTTPFile::getIsChunked() //For Transfer-Encoding header
andrewbonney 0:ec559500a63f 84 {
andrewbonney 0:ec559500a63f 85 return false;
andrewbonney 0:ec559500a63f 86 }
andrewbonney 0:ec559500a63f 87
andrewbonney 0:ec559500a63f 88 void HTTPFile::setIsChunked(bool chunked) //From Transfer-Encoding header
andrewbonney 0:ec559500a63f 89 {
andrewbonney 0:ec559500a63f 90 m_chunked = chunked;
andrewbonney 0:ec559500a63f 91 }
andrewbonney 0:ec559500a63f 92
andrewbonney 0:ec559500a63f 93 int HTTPFile::getDataLen() //For Content-Length header
andrewbonney 0:ec559500a63f 94 {
andrewbonney 0:ec559500a63f 95 return m_len;
andrewbonney 0:ec559500a63f 96 }
andrewbonney 0:ec559500a63f 97
andrewbonney 0:ec559500a63f 98 void HTTPFile::setDataLen(int len) //From Content-Length header, or if the transfer is chunked, next chunk length
andrewbonney 0:ec559500a63f 99 {
andrewbonney 0:ec559500a63f 100 if(!m_chunked)
andrewbonney 0:ec559500a63f 101 m_len = len; //Useful so that we can close file when last byte is written
andrewbonney 0:ec559500a63f 102 }
andrewbonney 0:ec559500a63f 103
andrewbonney 0:ec559500a63f 104 bool HTTPFile::openFile(const char* mode) //true on success, false otherwise
andrewbonney 0:ec559500a63f 105 {
andrewbonney 0:ec559500a63f 106 if(m_fp)
andrewbonney 0:ec559500a63f 107 return true;
andrewbonney 0:ec559500a63f 108
andrewbonney 0:ec559500a63f 109 m_fp = fopen(m_path.c_str(), mode);
andrewbonney 0:ec559500a63f 110 if(m_fp && mode[0]=='r')
andrewbonney 0:ec559500a63f 111 {
andrewbonney 0:ec559500a63f 112 //Seek EOF to get length
andrewbonney 0:ec559500a63f 113 fseek(m_fp, 0, SEEK_END);
andrewbonney 0:ec559500a63f 114 m_len = ftell(m_fp);
andrewbonney 0:ec559500a63f 115 fseek(m_fp, 0, SEEK_SET); //Goto SOF
andrewbonney 0:ec559500a63f 116 }
andrewbonney 0:ec559500a63f 117
andrewbonney 0:ec559500a63f 118 DBG("fd = %d\n", m_fp);
andrewbonney 0:ec559500a63f 119
andrewbonney 0:ec559500a63f 120 if(!m_fp)
andrewbonney 0:ec559500a63f 121 return false;
andrewbonney 0:ec559500a63f 122
andrewbonney 0:ec559500a63f 123 return true;
andrewbonney 0:ec559500a63f 124 }
andrewbonney 0:ec559500a63f 125
andrewbonney 0:ec559500a63f 126 void HTTPFile::closeFile()
andrewbonney 0:ec559500a63f 127 {
andrewbonney 0:ec559500a63f 128 if(m_fp)
andrewbonney 0:ec559500a63f 129 fclose(m_fp);
andrewbonney 0:ec559500a63f 130 }