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/HTTPMap.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 "HTTPMap.h"
simon 0:350011bf8be7 25 #include "../../util/url.h"
simon 0:350011bf8be7 26
simon 0:350011bf8be7 27 //#define __DEBUG
simon 0:350011bf8be7 28 #include "dbg/dbg.h"
simon 0:350011bf8be7 29
simon 0:350011bf8be7 30 HTTPMap::HTTPMap(const string& keyValueSep /*= "="*/, const string& pairSep /*= "&"*/) :
simon 0:350011bf8be7 31 HTTPData(), Dictionary(), m_buf(), m_len(0), m_chunked(false), m_keyValueSep(keyValueSep), m_pairSep(pairSep)
simon 0:350011bf8be7 32 {
simon 0:350011bf8be7 33
simon 0:350011bf8be7 34 }
simon 0:350011bf8be7 35
simon 0:350011bf8be7 36 HTTPMap::~HTTPMap()
simon 0:350011bf8be7 37 {
simon 0:350011bf8be7 38
simon 0:350011bf8be7 39 }
simon 0:350011bf8be7 40
simon 0:350011bf8be7 41 void HTTPMap::clear()
simon 0:350011bf8be7 42 {
simon 0:350011bf8be7 43 m_buf.clear();
simon 0:350011bf8be7 44 }
simon 0:350011bf8be7 45
simon 0:350011bf8be7 46 int HTTPMap::read(char* buf, int len)
simon 0:350011bf8be7 47 {
simon 0:350011bf8be7 48 memcpy( (void*)buf, (void*)m_buf.data(), len );
simon 0:350011bf8be7 49 m_buf.erase(0, len); //Erase these chars
simon 0:350011bf8be7 50 return len;
simon 0:350011bf8be7 51 }
simon 0:350011bf8be7 52
simon 0:350011bf8be7 53 int HTTPMap::write(const char* buf, int len)
simon 0:350011bf8be7 54 {
simon 0:350011bf8be7 55 m_buf.append( buf, len );
simon 0:350011bf8be7 56 if( ( m_chunked && !len ) ||
simon 0:350011bf8be7 57 ( !m_chunked && ( m_buf.length() >= m_len ) ) ) //Last chunk or EOF
simon 0:350011bf8be7 58 {
simon 0:350011bf8be7 59 parseString();
simon 0:350011bf8be7 60 }
simon 0:350011bf8be7 61 return len;
simon 0:350011bf8be7 62 }
simon 0:350011bf8be7 63
simon 0:350011bf8be7 64 string HTTPMap::getDataType() //Internet media type for Content-Type header
simon 0:350011bf8be7 65 {
simon 0:350011bf8be7 66 return "application/x-www-form-urlencoded";
simon 0:350011bf8be7 67 }
simon 0:350011bf8be7 68
simon 0:350011bf8be7 69 void HTTPMap::setDataType(const string& type) //Internet media type from Content-Type header
simon 0:350011bf8be7 70 {
simon 0:350011bf8be7 71 //Do not really care here
simon 0:350011bf8be7 72 }
simon 0:350011bf8be7 73
simon 0:350011bf8be7 74 int HTTPMap::getDataLen() //For Content-Length header
simon 0:350011bf8be7 75 {
simon 0:350011bf8be7 76 //This will be called before any read occurs, so let's generate our string object
simon 0:350011bf8be7 77 //Generate string
simon 0:350011bf8be7 78 generateString();
simon 0:350011bf8be7 79 return m_len;
simon 0:350011bf8be7 80 }
simon 0:350011bf8be7 81
simon 0:350011bf8be7 82 bool HTTPMap::getIsChunked() //For Transfer-Encoding header
simon 0:350011bf8be7 83 {
simon 0:350011bf8be7 84 return false; //We don't want to chunk this
simon 0:350011bf8be7 85 }
simon 0:350011bf8be7 86
simon 0:350011bf8be7 87 void HTTPMap::setIsChunked(bool chunked) //From Transfer-Encoding header
simon 0:350011bf8be7 88 {
simon 0:350011bf8be7 89 m_chunked = chunked;
simon 0:350011bf8be7 90 }
simon 0:350011bf8be7 91
simon 0:350011bf8be7 92 void HTTPMap::setDataLen(int len) //From Content-Length header, or if the transfer is chunked, next chunk length
simon 0:350011bf8be7 93 {
simon 0:350011bf8be7 94 m_len += len; //Useful so that we can parse string when last byte is written if not chunked
simon 0:350011bf8be7 95 m_buf.reserve( m_len );
simon 0:350011bf8be7 96 }
simon 0:350011bf8be7 97
simon 0:350011bf8be7 98 void HTTPMap::generateString()
simon 0:350011bf8be7 99 {
simon 0:350011bf8be7 100 Dictionary::iterator it;
simon 0:350011bf8be7 101 bool first = true;
simon 0:350011bf8be7 102 while( !Dictionary::empty() )
simon 0:350011bf8be7 103 {
simon 0:350011bf8be7 104 if(!first)
simon 0:350011bf8be7 105 {
simon 0:350011bf8be7 106 m_buf.append( m_pairSep );
simon 0:350011bf8be7 107 }
simon 0:350011bf8be7 108 else
simon 0:350011bf8be7 109 {
simon 0:350011bf8be7 110 first = false;
simon 0:350011bf8be7 111 }
simon 0:350011bf8be7 112 it = Dictionary::begin();
simon 0:350011bf8be7 113 m_buf.append( Url::encode( (*it).first ) );
simon 0:350011bf8be7 114 m_buf.append( m_keyValueSep );
simon 0:350011bf8be7 115 m_buf.append( Url::encode( (*it).second ) );
simon 0:350011bf8be7 116 Dictionary::erase(it); //Free memory as we process data
simon 0:350011bf8be7 117 }
simon 0:350011bf8be7 118 m_len = m_buf.length();
simon 0:350011bf8be7 119 DBG("\r\nData [len %d]:\r\n%s\r\n", m_len, m_buf.c_str());
simon 0:350011bf8be7 120 }
simon 0:350011bf8be7 121
simon 0:350011bf8be7 122 void HTTPMap::parseString()
simon 0:350011bf8be7 123 {
simon 0:350011bf8be7 124 string key;
simon 0:350011bf8be7 125 string value;
simon 0:350011bf8be7 126
simon 0:350011bf8be7 127 int pos = 0;
simon 0:350011bf8be7 128
simon 0:350011bf8be7 129 int key_pos;
simon 0:350011bf8be7 130 int key_len;
simon 0:350011bf8be7 131
simon 0:350011bf8be7 132 int value_pos;
simon 0:350011bf8be7 133 int value_len;
simon 0:350011bf8be7 134
simon 0:350011bf8be7 135 bool eof = false;
simon 0:350011bf8be7 136 while(!eof)
simon 0:350011bf8be7 137 {
simon 0:350011bf8be7 138 key_pos = pos;
simon 0:350011bf8be7 139 value_pos = m_buf.find(m_keyValueSep, pos);
simon 0:350011bf8be7 140 if(value_pos < 0)
simon 0:350011bf8be7 141 {
simon 0:350011bf8be7 142 //Parse error, break
simon 0:350011bf8be7 143 break;
simon 0:350011bf8be7 144 }
simon 0:350011bf8be7 145
simon 0:350011bf8be7 146 key_len = value_pos - key_pos;
simon 0:350011bf8be7 147
simon 0:350011bf8be7 148 value_pos+= m_keyValueSep.length();
simon 0:350011bf8be7 149
simon 0:350011bf8be7 150 pos = m_buf.find( m_pairSep, value_pos );
simon 0:350011bf8be7 151 if(pos < 0) //Not found
simon 0:350011bf8be7 152 {
simon 0:350011bf8be7 153 pos = m_buf.length();
simon 0:350011bf8be7 154 eof = true;
simon 0:350011bf8be7 155 }
simon 0:350011bf8be7 156
simon 0:350011bf8be7 157 value_len = pos - value_pos;
simon 0:350011bf8be7 158
simon 0:350011bf8be7 159 pos += m_pairSep.length();
simon 0:350011bf8be7 160
simon 0:350011bf8be7 161 //Append elenent
simon 0:350011bf8be7 162 Dictionary::operator[]( Url::decode( m_buf.substr(key_pos, key_len) ) ) = Url::decode( m_buf.substr(value_pos, value_len) );
simon 0:350011bf8be7 163 }
simon 0:350011bf8be7 164
simon 0:350011bf8be7 165 m_buf.clear(); //Free data
simon 0:350011bf8be7 166
simon 0:350011bf8be7 167 }