FBI FRATER / Mbed 2 deprecated InetTest

Library for Bert van Dam's book "ARM MICROCONTROLLERS" For all chapters with internet.

Dependencies:   mbed

NetServices/services/http/client/data/HTTPFile.cpp@0:4edb816d21e1, 2015-10-16 (annotated)

Committer:
ICTFBI
Date:
Fri Oct 16 14:28:26 2015 +0000
Revision:
0:4edb816d21e1
Pre-update 16-10-15

Who changed what in which revision?

UserRevisionLine numberNew contents of line
ICTFBI 0:4edb816d21e1 1
ICTFBI 0:4edb816d21e1 2 /*
ICTFBI 0:4edb816d21e1 3 Copyright (c) 2010 Donatien Garnier (donatiengar [at] gmail [dot] com)
ICTFBI 0:4edb816d21e1 4
ICTFBI 0:4edb816d21e1 5 Permission is hereby granted, free of charge, to any person obtaining a copy
ICTFBI 0:4edb816d21e1 6 of this software and associated documentation files (the "Software"), to deal
ICTFBI 0:4edb816d21e1 7 in the Software without restriction, including without limitation the rights
ICTFBI 0:4edb816d21e1 8 to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
ICTFBI 0:4edb816d21e1 9 copies of the Software, and to permit persons to whom the Software is
ICTFBI 0:4edb816d21e1 10 furnished to do so, subject to the following conditions:
ICTFBI 0:4edb816d21e1 11
ICTFBI 0:4edb816d21e1 12 The above copyright notice and this permission notice shall be included in
ICTFBI 0:4edb816d21e1 13 all copies or substantial portions of the Software.
ICTFBI 0:4edb816d21e1 14
ICTFBI 0:4edb816d21e1 15 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
ICTFBI 0:4edb816d21e1 16 IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
ICTFBI 0:4edb816d21e1 17 FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
ICTFBI 0:4edb816d21e1 18 AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
ICTFBI 0:4edb816d21e1 19 LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
ICTFBI 0:4edb816d21e1 20 OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
ICTFBI 0:4edb816d21e1 21 THE SOFTWARE.
ICTFBI 0:4edb816d21e1 22 */
ICTFBI 0:4edb816d21e1 23
ICTFBI 0:4edb816d21e1 24 #include "HTTPFile.h"
ICTFBI 0:4edb816d21e1 25
ICTFBI 0:4edb816d21e1 26 //#define __DEBUG
ICTFBI 0:4edb816d21e1 27 #include "dbg/dbg.h"
ICTFBI 0:4edb816d21e1 28
ICTFBI 0:4edb816d21e1 29 HTTPFile::HTTPFile(const char* path) : HTTPData(), m_fp(NULL), m_path(path), m_len(0), m_chunked(false)
ICTFBI 0:4edb816d21e1 30 {
ICTFBI 0:4edb816d21e1 31
ICTFBI 0:4edb816d21e1 32 }
ICTFBI 0:4edb816d21e1 33
ICTFBI 0:4edb816d21e1 34 HTTPFile::~HTTPFile()
ICTFBI 0:4edb816d21e1 35 {
ICTFBI 0:4edb816d21e1 36 closeFile();
ICTFBI 0:4edb816d21e1 37 }
ICTFBI 0:4edb816d21e1 38
ICTFBI 0:4edb816d21e1 39 void HTTPFile::clear()
ICTFBI 0:4edb816d21e1 40 {
ICTFBI 0:4edb816d21e1 41 closeFile();
ICTFBI 0:4edb816d21e1 42 //Force reopening
ICTFBI 0:4edb816d21e1 43 }
ICTFBI 0:4edb816d21e1 44
ICTFBI 0:4edb816d21e1 45 int HTTPFile::read(char* buf, int len)
ICTFBI 0:4edb816d21e1 46 {
ICTFBI 0:4edb816d21e1 47 if(!openFile("r")) //File does not exist, or I/O error...
ICTFBI 0:4edb816d21e1 48 return 0;
ICTFBI 0:4edb816d21e1 49 len = fread(buf, 1, len, m_fp);
ICTFBI 0:4edb816d21e1 50 if( feof(m_fp) )
ICTFBI 0:4edb816d21e1 51 {
ICTFBI 0:4edb816d21e1 52 //File read completely, we can close it
ICTFBI 0:4edb816d21e1 53 closeFile();
ICTFBI 0:4edb816d21e1 54 }
ICTFBI 0:4edb816d21e1 55 return len;
ICTFBI 0:4edb816d21e1 56 }
ICTFBI 0:4edb816d21e1 57
ICTFBI 0:4edb816d21e1 58 int HTTPFile::write(const char* buf, int len)
ICTFBI 0:4edb816d21e1 59 {
ICTFBI 0:4edb816d21e1 60 if(!openFile("w")) //File does not exist, or I/O error...
ICTFBI 0:4edb816d21e1 61 return 0;
ICTFBI 0:4edb816d21e1 62 len = fwrite(buf, 1, len, m_fp);
ICTFBI 0:4edb816d21e1 63 DBG("Written %d bytes in %d\n", len, m_fp);
ICTFBI 0:4edb816d21e1 64 if( (!m_chunked && (ftell(m_fp) >= m_len)) ||
ICTFBI 0:4edb816d21e1 65 (m_chunked && !len) )
ICTFBI 0:4edb816d21e1 66 {
ICTFBI 0:4edb816d21e1 67 //File received completely, we can close it
ICTFBI 0:4edb816d21e1 68 closeFile();
ICTFBI 0:4edb816d21e1 69 }
ICTFBI 0:4edb816d21e1 70 return len;
ICTFBI 0:4edb816d21e1 71 }
ICTFBI 0:4edb816d21e1 72
ICTFBI 0:4edb816d21e1 73 string HTTPFile::getDataType() //Internet media type for Content-Type header
ICTFBI 0:4edb816d21e1 74 {
ICTFBI 0:4edb816d21e1 75 return ""; //Unknown
ICTFBI 0:4edb816d21e1 76 }
ICTFBI 0:4edb816d21e1 77
ICTFBI 0:4edb816d21e1 78 void HTTPFile::setDataType(const string& type) //Internet media type from Content-Type header
ICTFBI 0:4edb816d21e1 79 {
ICTFBI 0:4edb816d21e1 80 //Do not really care here
ICTFBI 0:4edb816d21e1 81 }
ICTFBI 0:4edb816d21e1 82
ICTFBI 0:4edb816d21e1 83 bool HTTPFile::getIsChunked() //For Transfer-Encoding header
ICTFBI 0:4edb816d21e1 84 {
ICTFBI 0:4edb816d21e1 85 return false;
ICTFBI 0:4edb816d21e1 86 }
ICTFBI 0:4edb816d21e1 87
ICTFBI 0:4edb816d21e1 88 void HTTPFile::setIsChunked(bool chunked) //From Transfer-Encoding header
ICTFBI 0:4edb816d21e1 89 {
ICTFBI 0:4edb816d21e1 90 m_chunked = chunked;
ICTFBI 0:4edb816d21e1 91 }
ICTFBI 0:4edb816d21e1 92
ICTFBI 0:4edb816d21e1 93 int HTTPFile::getDataLen() //For Content-Length header
ICTFBI 0:4edb816d21e1 94 {
ICTFBI 0:4edb816d21e1 95 return m_len;
ICTFBI 0:4edb816d21e1 96 }
ICTFBI 0:4edb816d21e1 97
ICTFBI 0:4edb816d21e1 98 void HTTPFile::setDataLen(int len) //From Content-Length header, or if the transfer is chunked, next chunk length
ICTFBI 0:4edb816d21e1 99 {
ICTFBI 0:4edb816d21e1 100 if(!m_chunked)
ICTFBI 0:4edb816d21e1 101 m_len = len; //Useful so that we can close file when last byte is written
ICTFBI 0:4edb816d21e1 102 }
ICTFBI 0:4edb816d21e1 103
ICTFBI 0:4edb816d21e1 104 bool HTTPFile::openFile(const char* mode) //true on success, false otherwise
ICTFBI 0:4edb816d21e1 105 {
ICTFBI 0:4edb816d21e1 106 if(m_fp)
ICTFBI 0:4edb816d21e1 107 return true;
ICTFBI 0:4edb816d21e1 108
ICTFBI 0:4edb816d21e1 109 m_fp = fopen(m_path.c_str(), mode);
ICTFBI 0:4edb816d21e1 110 if(m_fp && mode[0]=='r')
ICTFBI 0:4edb816d21e1 111 {
ICTFBI 0:4edb816d21e1 112 //Seek EOF to get length
ICTFBI 0:4edb816d21e1 113 fseek(m_fp, 0, SEEK_END);
ICTFBI 0:4edb816d21e1 114 m_len = ftell(m_fp);
ICTFBI 0:4edb816d21e1 115 fseek(m_fp, 0, SEEK_SET); //Goto SOF
ICTFBI 0:4edb816d21e1 116 }
ICTFBI 0:4edb816d21e1 117
ICTFBI 0:4edb816d21e1 118 DBG("fd = %d\n", m_fp);
ICTFBI 0:4edb816d21e1 119
ICTFBI 0:4edb816d21e1 120 if(!m_fp)
ICTFBI 0:4edb816d21e1 121 return false;
ICTFBI 0:4edb816d21e1 122
ICTFBI 0:4edb816d21e1 123 return true;
ICTFBI 0:4edb816d21e1 124 }
ICTFBI 0:4edb816d21e1 125
ICTFBI 0:4edb816d21e1 126 void HTTPFile::closeFile()
ICTFBI 0:4edb816d21e1 127 {
ICTFBI 0:4edb816d21e1 128 if(m_fp)
ICTFBI 0:4edb816d21e1 129 fclose(m_fp);
ICTFBI 0:4edb816d21e1 130 }