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NetServicesProxy/services/http/client/data/HTTPFile.cpp@0:1619a6b826d7, 2011-11-21 (annotated)

Committer:: Hello1024
Date:: Mon Nov 21 18:25:34 2011 +0000
Revision:: 0:1619a6b826d7

Who changed what in which revision?

User	Revision	Line number	New contents of line
Hello1024	0:1619a6b826d7	1
Hello1024	0:1619a6b826d7	2	/*
Hello1024	0:1619a6b826d7	3	Copyright (c) 2010 Donatien Garnier (donatiengar [at] gmail [dot] com)
Hello1024	0:1619a6b826d7	4
Hello1024	0:1619a6b826d7	5	Permission is hereby granted, free of charge, to any person obtaining a copy
Hello1024	0:1619a6b826d7	6	of this software and associated documentation files (the "Software"), to deal
Hello1024	0:1619a6b826d7	7	in the Software without restriction, including without limitation the rights
Hello1024	0:1619a6b826d7	8	to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
Hello1024	0:1619a6b826d7	9	copies of the Software, and to permit persons to whom the Software is
Hello1024	0:1619a6b826d7	10	furnished to do so, subject to the following conditions:
Hello1024	0:1619a6b826d7	11
Hello1024	0:1619a6b826d7	12	The above copyright notice and this permission notice shall be included in
Hello1024	0:1619a6b826d7	13	all copies or substantial portions of the Software.
Hello1024	0:1619a6b826d7	14
Hello1024	0:1619a6b826d7	15	THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
Hello1024	0:1619a6b826d7	16	IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
Hello1024	0:1619a6b826d7	17	FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
Hello1024	0:1619a6b826d7	18	AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
Hello1024	0:1619a6b826d7	19	LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
Hello1024	0:1619a6b826d7	20	OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
Hello1024	0:1619a6b826d7	21	THE SOFTWARE.
Hello1024	0:1619a6b826d7	22	*/
Hello1024	0:1619a6b826d7	23
Hello1024	0:1619a6b826d7	24	#include "HTTPFile.h"
Hello1024	0:1619a6b826d7	25
Hello1024	0:1619a6b826d7	26	//#define __DEBUG
Hello1024	0:1619a6b826d7	27	#include "dbg/dbg.h"
Hello1024	0:1619a6b826d7	28
Hello1024	0:1619a6b826d7	29	HTTPFile::HTTPFile(const char* path) : HTTPData(), m_fp(NULL), m_path(path), m_len(0), m_chunked(false)
Hello1024	0:1619a6b826d7	30	{
Hello1024	0:1619a6b826d7	31
Hello1024	0:1619a6b826d7	32	}
Hello1024	0:1619a6b826d7	33
Hello1024	0:1619a6b826d7	34	HTTPFile::~HTTPFile()
Hello1024	0:1619a6b826d7	35	{
Hello1024	0:1619a6b826d7	36	closeFile();
Hello1024	0:1619a6b826d7	37	}
Hello1024	0:1619a6b826d7	38
Hello1024	0:1619a6b826d7	39	void HTTPFile::clear()
Hello1024	0:1619a6b826d7	40	{
Hello1024	0:1619a6b826d7	41	closeFile();
Hello1024	0:1619a6b826d7	42	//Force reopening
Hello1024	0:1619a6b826d7	43	}
Hello1024	0:1619a6b826d7	44
Hello1024	0:1619a6b826d7	45	int HTTPFile::read(char* buf, int len)
Hello1024	0:1619a6b826d7	46	{
Hello1024	0:1619a6b826d7	47	if(!openFile("r")) //File does not exist, or I/O error...
Hello1024	0:1619a6b826d7	48	return 0;
Hello1024	0:1619a6b826d7	49	len = fread(buf, 1, len, m_fp);
Hello1024	0:1619a6b826d7	50	if( feof(m_fp) )
Hello1024	0:1619a6b826d7	51	{
Hello1024	0:1619a6b826d7	52	//File read completely, we can close it
Hello1024	0:1619a6b826d7	53	closeFile();
Hello1024	0:1619a6b826d7	54	}
Hello1024	0:1619a6b826d7	55	return len;
Hello1024	0:1619a6b826d7	56	}
Hello1024	0:1619a6b826d7	57
Hello1024	0:1619a6b826d7	58	int HTTPFile::write(const char* buf, int len)
Hello1024	0:1619a6b826d7	59	{
Hello1024	0:1619a6b826d7	60	if(!openFile("w")) //File does not exist, or I/O error...
Hello1024	0:1619a6b826d7	61	return 0;
Hello1024	0:1619a6b826d7	62	len = fwrite(buf, 1, len, m_fp);
Hello1024	0:1619a6b826d7	63	DBG("Written %d bytes in %d\n", len, m_fp);
Hello1024	0:1619a6b826d7	64	if( (!m_chunked && (ftell(m_fp) >= m_len)) \|\|
Hello1024	0:1619a6b826d7	65	(m_chunked && !len) )
Hello1024	0:1619a6b826d7	66	{
Hello1024	0:1619a6b826d7	67	//File received completely, we can close it
Hello1024	0:1619a6b826d7	68	closeFile();
Hello1024	0:1619a6b826d7	69	}
Hello1024	0:1619a6b826d7	70	return len;
Hello1024	0:1619a6b826d7	71	}
Hello1024	0:1619a6b826d7	72
Hello1024	0:1619a6b826d7	73	string HTTPFile::getDataType() //Internet media type for Content-Type header
Hello1024	0:1619a6b826d7	74	{
Hello1024	0:1619a6b826d7	75	return ""; //Unknown
Hello1024	0:1619a6b826d7	76	}
Hello1024	0:1619a6b826d7	77
Hello1024	0:1619a6b826d7	78	void HTTPFile::setDataType(const string& type) //Internet media type from Content-Type header
Hello1024	0:1619a6b826d7	79	{
Hello1024	0:1619a6b826d7	80	//Do not really care here
Hello1024	0:1619a6b826d7	81	}
Hello1024	0:1619a6b826d7	82
Hello1024	0:1619a6b826d7	83	bool HTTPFile::getIsChunked() //For Transfer-Encoding header
Hello1024	0:1619a6b826d7	84	{
Hello1024	0:1619a6b826d7	85	return false;
Hello1024	0:1619a6b826d7	86	}
Hello1024	0:1619a6b826d7	87
Hello1024	0:1619a6b826d7	88	void HTTPFile::setIsChunked(bool chunked) //From Transfer-Encoding header
Hello1024	0:1619a6b826d7	89	{
Hello1024	0:1619a6b826d7	90	m_chunked = chunked;
Hello1024	0:1619a6b826d7	91	}
Hello1024	0:1619a6b826d7	92
Hello1024	0:1619a6b826d7	93	int HTTPFile::getDataLen() //For Content-Length header
Hello1024	0:1619a6b826d7	94	{
Hello1024	0:1619a6b826d7	95	return m_len;
Hello1024	0:1619a6b826d7	96	}
Hello1024	0:1619a6b826d7	97
Hello1024	0:1619a6b826d7	98	void HTTPFile::setDataLen(int len) //From Content-Length header, or if the transfer is chunked, next chunk length
Hello1024	0:1619a6b826d7	99	{
Hello1024	0:1619a6b826d7	100	if(!m_chunked)
Hello1024	0:1619a6b826d7	101	m_len = len; //Useful so that we can close file when last byte is written
Hello1024	0:1619a6b826d7	102	}
Hello1024	0:1619a6b826d7	103
Hello1024	0:1619a6b826d7	104	bool HTTPFile::openFile(const char* mode) //true on success, false otherwise
Hello1024	0:1619a6b826d7	105	{
Hello1024	0:1619a6b826d7	106	if(m_fp)
Hello1024	0:1619a6b826d7	107	return true;
Hello1024	0:1619a6b826d7	108
Hello1024	0:1619a6b826d7	109	m_fp = fopen(m_path.c_str(), mode);
Hello1024	0:1619a6b826d7	110	if(m_fp && mode[0]=='r')
Hello1024	0:1619a6b826d7	111	{
Hello1024	0:1619a6b826d7	112	//Seek EOF to get length
Hello1024	0:1619a6b826d7	113	fseek(m_fp, 0, SEEK_END);
Hello1024	0:1619a6b826d7	114	m_len = ftell(m_fp);
Hello1024	0:1619a6b826d7	115	fseek(m_fp, 0, SEEK_SET); //Goto SOF
Hello1024	0:1619a6b826d7	116	}
Hello1024	0:1619a6b826d7	117
Hello1024	0:1619a6b826d7	118	DBG("fd = %d\n", m_fp);
Hello1024	0:1619a6b826d7	119
Hello1024	0:1619a6b826d7	120	if(!m_fp)
Hello1024	0:1619a6b826d7	121	return false;
Hello1024	0:1619a6b826d7	122
Hello1024	0:1619a6b826d7	123	return true;
Hello1024	0:1619a6b826d7	124	}
Hello1024	0:1619a6b826d7	125
Hello1024	0:1619a6b826d7	126	void HTTPFile::closeFile()
Hello1024	0:1619a6b826d7	127	{
Hello1024	0:1619a6b826d7	128	if(m_fp)
Hello1024	0:1619a6b826d7	129	fclose(m_fp);
Hello1024	0:1619a6b826d7	130	}

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Type:	Program
Mbed OS support:	Mbed 2 deprecated
Created:	20 Nov 2013
Imports:	0
Forks:	0
Commits:	2
Dependents:	0
Dependencies:	1
Followers:	1

NetServicesProxy/services/http/client/data/HTTPFile.cpp@0:1619a6b826d7, 2011-11-21 (annotated)

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