Measure_system - Measure system

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Jozsef Benecs / Mbed 2 deprecated Measure_system

Measure system

Dependencies: EthernetNetIf mbed RF12B

server/impl/FSHandler.cpp@1:b26ab2467b1a, 2011-03-10 (annotated)

Committer:: benecsj
Date:: Thu Mar 10 19:56:45 2011 +0000
Revision:: 1:b26ab2467b1a
Parent:: 0:8d62137f7ff4
Child:: 2:afe5826411e3

Who changed what in which revision?

User	Revision	Line number	New contents of line
benecsj	0:8d62137f7ff4	1
benecsj	0:8d62137f7ff4	2	/*
benecsj	0:8d62137f7ff4	3	Copyright (c) 2010 Donatien Garnier (donatiengar [at] gmail [dot] com)
benecsj	0:8d62137f7ff4	4
benecsj	0:8d62137f7ff4	5	Permission is hereby granted, free of charge, to any person obtaining a copy
benecsj	0:8d62137f7ff4	6	of this software and associated documentation files (the "Software"), to deal
benecsj	0:8d62137f7ff4	7	in the Software without restriction, including without limitation the rights
benecsj	0:8d62137f7ff4	8	to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
benecsj	0:8d62137f7ff4	9	copies of the Software, and to permit persons to whom the Software is
benecsj	0:8d62137f7ff4	10	furnished to do so, subject to the following conditions:
benecsj	0:8d62137f7ff4	11
benecsj	0:8d62137f7ff4	12	The above copyright notice and this permission notice shall be included in
benecsj	0:8d62137f7ff4	13	all copies or substantial portions of the Software.
benecsj	0:8d62137f7ff4	14
benecsj	0:8d62137f7ff4	15	THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
benecsj	0:8d62137f7ff4	16	IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
benecsj	0:8d62137f7ff4	17	FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
benecsj	0:8d62137f7ff4	18	AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
benecsj	0:8d62137f7ff4	19	LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
benecsj	0:8d62137f7ff4	20	OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
benecsj	0:8d62137f7ff4	21	THE SOFTWARE.
benecsj	0:8d62137f7ff4	22	*/
benecsj	0:8d62137f7ff4	23
benecsj	1:b26ab2467b1a	24	#include "MeasureSystem.h"
benecsj	0:8d62137f7ff4	25	#include "FSHandler.h"
benecsj	0:8d62137f7ff4	26	#include "MeasureSystem.h"
benecsj	0:8d62137f7ff4	27
benecsj	0:8d62137f7ff4	28	//#define __DEBUG
benecsj	0:8d62137f7ff4	29	//#include "dbg/dbg.h"
benecsj	0:8d62137f7ff4	30
benecsj	0:8d62137f7ff4	31	#define CHUNK_SIZE 128
benecsj	0:8d62137f7ff4	32
benecsj	0:8d62137f7ff4	33	#define DEFAULT_PAGE "/index.htm"
benecsj	0:8d62137f7ff4	34
benecsj	0:8d62137f7ff4	35	FSHandler::FSHandler(const char* rootPath, const char* path, TCPSocket* pTCPSocket) : HTTPRequestHandler(rootPath, path, pTCPSocket), m_err404(false)
benecsj	0:8d62137f7ff4	36	{}
benecsj	0:8d62137f7ff4	37
benecsj	0:8d62137f7ff4	38	FSHandler::~FSHandler()
benecsj	0:8d62137f7ff4	39	{
benecsj	0:8d62137f7ff4	40	if(m_fp)
benecsj	0:8d62137f7ff4	41	fclose(m_fp);
benecsj	0:8d62137f7ff4	42	printf("3-FS-Handler destroyed\r\n");
benecsj	0:8d62137f7ff4	43	HandlerActive = false;
benecsj	0:8d62137f7ff4	44	}
benecsj	0:8d62137f7ff4	45
benecsj	0:8d62137f7ff4	46	//static init
benecsj	0:8d62137f7ff4	47	map<string,string> FSHandler::m_lFsPath = map<string,string>();
benecsj	0:8d62137f7ff4	48
benecsj	0:8d62137f7ff4	49	void FSHandler::mount(const string& fsPath, const string& rootPath)
benecsj	0:8d62137f7ff4	50	{
benecsj	0:8d62137f7ff4	51	m_lFsPath[rootPath]=fsPath;
benecsj	0:8d62137f7ff4	52	}
benecsj	0:8d62137f7ff4	53
benecsj	0:8d62137f7ff4	54	void FSHandler::doGet()
benecsj	0:8d62137f7ff4	55	{
benecsj	0:8d62137f7ff4	56	printf("3-FS-In FSHandler::doGet() - rootPath=%s, path=%s\r\n", rootPath().c_str(), path().c_str());
benecsj	0:8d62137f7ff4	57	//FIXME: Translate path to local/path
benecsj	0:8d62137f7ff4	58
benecsj	0:8d62137f7ff4	59
benecsj	0:8d62137f7ff4	60	if (path().compare("/log") == 0)
benecsj	0:8d62137f7ff4	61	{
benecsj	1:b26ab2467b1a	62	path() = "/data/log.txt";
benecsj	0:8d62137f7ff4	63	}
benecsj	0:8d62137f7ff4	64
benecsj	0:8d62137f7ff4	65	string checkedRootPath = rootPath();
benecsj	0:8d62137f7ff4	66	if(checkedRootPath.empty())
benecsj	0:8d62137f7ff4	67	checkedRootPath="/";
benecsj	0:8d62137f7ff4	68	string filePath = m_lFsPath[checkedRootPath];
benecsj	1:b26ab2467b1a	69	if (path().size() > 1 & path().size() < 40)
benecsj	0:8d62137f7ff4	70	{
benecsj	0:8d62137f7ff4	71	filePath += path();
benecsj	0:8d62137f7ff4	72	}
benecsj	0:8d62137f7ff4	73	else
benecsj	0:8d62137f7ff4	74	{
benecsj	0:8d62137f7ff4	75	filePath += DEFAULT_PAGE;
benecsj	0:8d62137f7ff4	76	}
benecsj	0:8d62137f7ff4	77
benecsj	0:8d62137f7ff4	78	printf("3-FS-Trying to open %s\r\n", filePath.c_str());
benecsj	0:8d62137f7ff4	79
benecsj	0:8d62137f7ff4	80	m_fp = fopen(filePath.c_str(), "r"); //FIXME: if null, error 404
benecsj	0:8d62137f7ff4	81
benecsj	0:8d62137f7ff4	82	if (!m_fp)
benecsj	0:8d62137f7ff4	83	{
benecsj	0:8d62137f7ff4	84	string filePath = m_lFsPath["/extern"];
benecsj	0:8d62137f7ff4	85	if (path().size() > 1)
benecsj	0:8d62137f7ff4	86	{
benecsj	0:8d62137f7ff4	87	filePath += path();
benecsj	0:8d62137f7ff4	88	}
benecsj	0:8d62137f7ff4	89	else
benecsj	0:8d62137f7ff4	90	{
benecsj	0:8d62137f7ff4	91	filePath += DEFAULT_PAGE;
benecsj	0:8d62137f7ff4	92	}
benecsj	0:8d62137f7ff4	93
benecsj	0:8d62137f7ff4	94	printf("3-FS-Trying to open %s\r\n", filePath.c_str());
benecsj	0:8d62137f7ff4	95
benecsj	0:8d62137f7ff4	96	m_fp = fopen(filePath.c_str(), "r"); //FIXME: if null, error 404
benecsj	0:8d62137f7ff4	97	}
benecsj	0:8d62137f7ff4	98
benecsj	0:8d62137f7ff4	99	if(!m_fp)
benecsj	0:8d62137f7ff4	100	{
benecsj	0:8d62137f7ff4	101	m_err404 = true;
benecsj	0:8d62137f7ff4	102	setErrCode(404);
benecsj	0:8d62137f7ff4	103	const char* msg = "File not found.";
benecsj	0:8d62137f7ff4	104	setContentLen(strlen(msg));
benecsj	0:8d62137f7ff4	105	respHeaders()["Content-Type"] = "text/html";
benecsj	0:8d62137f7ff4	106	respHeaders()["Connection"] = "close";
benecsj	0:8d62137f7ff4	107	writeData(msg,strlen(msg)); //Only send header
benecsj	0:8d62137f7ff4	108	printf("\r\n3-FS-Exit FSHandler::doGet() w Error 404\r\n");
benecsj	0:8d62137f7ff4	109	return;
benecsj	0:8d62137f7ff4	110	}
benecsj	0:8d62137f7ff4	111
benecsj	0:8d62137f7ff4	112	//Seek EOF to get length
benecsj	0:8d62137f7ff4	113	fseek(m_fp, 0, SEEK_END);
benecsj	0:8d62137f7ff4	114	setContentLen( ftell(m_fp) );
benecsj	0:8d62137f7ff4	115	fseek(m_fp, 0, SEEK_SET); //Goto SOF
benecsj	0:8d62137f7ff4	116
benecsj	0:8d62137f7ff4	117	respHeaders()["Connection"] = "close";
benecsj	0:8d62137f7ff4	118	onWriteable();
benecsj	0:8d62137f7ff4	119	printf("3-FS-Exit FSHandler::doGet()\r\n");
benecsj	0:8d62137f7ff4	120	}
benecsj	0:8d62137f7ff4	121
benecsj	0:8d62137f7ff4	122	void FSHandler::doPost()
benecsj	0:8d62137f7ff4	123	{
benecsj	0:8d62137f7ff4	124
benecsj	0:8d62137f7ff4	125	}
benecsj	0:8d62137f7ff4	126
benecsj	0:8d62137f7ff4	127	void FSHandler::doHead()
benecsj	0:8d62137f7ff4	128	{
benecsj	0:8d62137f7ff4	129
benecsj	0:8d62137f7ff4	130	}
benecsj	0:8d62137f7ff4	131
benecsj	0:8d62137f7ff4	132	void FSHandler::onReadable() //Data has been read
benecsj	0:8d62137f7ff4	133	{
benecsj	0:8d62137f7ff4	134
benecsj	0:8d62137f7ff4	135	}
benecsj	0:8d62137f7ff4	136
benecsj	0:8d62137f7ff4	137	void FSHandler::onWriteable() //Data has been written & buf is free
benecsj	0:8d62137f7ff4	138	{
benecsj	0:8d62137f7ff4	139	// DBG("\r\nFSHandler::onWriteable() event\r\n");
benecsj	0:8d62137f7ff4	140	if(m_err404)
benecsj	0:8d62137f7ff4	141	{
benecsj	0:8d62137f7ff4	142	//Error has been served, now exit
benecsj	0:8d62137f7ff4	143	close();
benecsj	0:8d62137f7ff4	144	return;
benecsj	0:8d62137f7ff4	145	}
benecsj	0:8d62137f7ff4	146
benecsj	0:8d62137f7ff4	147	static char rBuf[CHUNK_SIZE];
benecsj	0:8d62137f7ff4	148	while(true)
benecsj	0:8d62137f7ff4	149	{
benecsj	0:8d62137f7ff4	150	int len = fread(rBuf, 1, CHUNK_SIZE, m_fp);
benecsj	0:8d62137f7ff4	151	if(len>0)
benecsj	0:8d62137f7ff4	152	{
benecsj	0:8d62137f7ff4	153	int writtenLen = writeData(rBuf, len);
benecsj	0:8d62137f7ff4	154	if(writtenLen < 0) //Socket error
benecsj	0:8d62137f7ff4	155	{
benecsj	0:8d62137f7ff4	156	printf("3-FS-FSHandler: Socket error %d\r\n", writtenLen);
benecsj	0:8d62137f7ff4	157	if(writtenLen == TCPSOCKET_MEM)
benecsj	0:8d62137f7ff4	158	{
benecsj	0:8d62137f7ff4	159	fseek(m_fp, -len, SEEK_CUR);
benecsj	0:8d62137f7ff4	160	return; //Wait for the queued TCP segments to be transmitted
benecsj	0:8d62137f7ff4	161	}
benecsj	0:8d62137f7ff4	162	else
benecsj	0:8d62137f7ff4	163	{
benecsj	0:8d62137f7ff4	164	//This is a critical error
benecsj	0:8d62137f7ff4	165	close();
benecsj	0:8d62137f7ff4	166	return;
benecsj	0:8d62137f7ff4	167	}
benecsj	0:8d62137f7ff4	168	}
benecsj	0:8d62137f7ff4	169	else if(writtenLen < len) //Short write, socket's buffer is full
benecsj	0:8d62137f7ff4	170	{
benecsj	0:8d62137f7ff4	171	fseek(m_fp, writtenLen - len, SEEK_CUR);
benecsj	0:8d62137f7ff4	172	return;
benecsj	0:8d62137f7ff4	173	}
benecsj	0:8d62137f7ff4	174	}
benecsj	0:8d62137f7ff4	175	else
benecsj	0:8d62137f7ff4	176	{
benecsj	0:8d62137f7ff4	177	close(); //Data written, we can close the connection
benecsj	0:8d62137f7ff4	178	return;
benecsj	0:8d62137f7ff4	179	}
benecsj	0:8d62137f7ff4	180	}
benecsj	0:8d62137f7ff4	181	}
benecsj	0:8d62137f7ff4	182
benecsj	0:8d62137f7ff4	183	void FSHandler::onClose() //Connection is closing
benecsj	0:8d62137f7ff4	184	{
benecsj	0:8d62137f7ff4	185	if(m_fp)
benecsj	0:8d62137f7ff4	186	fclose(m_fp);
benecsj	0:8d62137f7ff4	187	}

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Type:	Program
Mbed OS support:	Mbed 2 deprecated
Created:	03 Mar 2011
Imports:	64
Forks:	0
Commits:	4
Dependents:	0
Dependencies:	3
Followers:	1

server/impl/FSHandler.cpp@1:b26ab2467b1a, 2011-03-10 (annotated)

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