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/server/impl/FSHandler.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 "FSHandler.h"
simon 0:350011bf8be7 25
simon 0:350011bf8be7 26 //#define __DEBUG
simon 0:350011bf8be7 27 #include "dbg/dbg.h"
simon 0:350011bf8be7 28
simon 0:350011bf8be7 29 #define CHUNK_SIZE 128
simon 0:350011bf8be7 30
simon 0:350011bf8be7 31 #define DEFAULT_PAGE "/index.htm"
simon 0:350011bf8be7 32
simon 0:350011bf8be7 33 FSHandler::FSHandler(const char* rootPath, const char* path, TCPSocket* pTCPSocket) : HTTPRequestHandler(rootPath, path, pTCPSocket), m_err404(false)
simon 0:350011bf8be7 34 {}
simon 0:350011bf8be7 35
simon 0:350011bf8be7 36 FSHandler::~FSHandler()
simon 0:350011bf8be7 37 {
simon 0:350011bf8be7 38 if(m_fp)
simon 0:350011bf8be7 39 fclose(m_fp);
simon 0:350011bf8be7 40 DBG("\r\nHandler destroyed\r\n");
simon 0:350011bf8be7 41 }
simon 0:350011bf8be7 42
simon 0:350011bf8be7 43 //static init
simon 0:350011bf8be7 44 map<string,string> FSHandler::m_lFsPath = map<string,string>();
simon 0:350011bf8be7 45
simon 0:350011bf8be7 46 void FSHandler::mount(const string& fsPath, const string& rootPath)
simon 0:350011bf8be7 47 {
simon 0:350011bf8be7 48 m_lFsPath[rootPath]=fsPath;
simon 0:350011bf8be7 49 }
simon 0:350011bf8be7 50
simon 0:350011bf8be7 51 void FSHandler::doGet()
simon 0:350011bf8be7 52 {
simon 0:350011bf8be7 53 DBG("\r\nIn FSHandler::doGet() - rootPath=%s, path=%s\r\n", rootPath().c_str(), path().c_str());
simon 0:350011bf8be7 54 //FIXME: Translate path to local/path
simon 0:350011bf8be7 55 string checkedRootPath = rootPath();
simon 0:350011bf8be7 56 if(checkedRootPath.empty())
simon 0:350011bf8be7 57 checkedRootPath="/";
simon 0:350011bf8be7 58 string filePath = m_lFsPath[checkedRootPath];
simon 0:350011bf8be7 59 if (path().size() > 1)
simon 0:350011bf8be7 60 {
simon 0:350011bf8be7 61 filePath += path();
simon 0:350011bf8be7 62 }
simon 0:350011bf8be7 63 else
simon 0:350011bf8be7 64 {
simon 0:350011bf8be7 65 filePath += DEFAULT_PAGE;
simon 0:350011bf8be7 66 }
simon 0:350011bf8be7 67
simon 0:350011bf8be7 68 DBG("Trying to open %s\n", filePath.c_str());
simon 0:350011bf8be7 69
simon 0:350011bf8be7 70 m_fp = fopen(filePath.c_str(), "r"); //FIXME: if null, error 404
simon 0:350011bf8be7 71
simon 0:350011bf8be7 72 if(!m_fp)
simon 0:350011bf8be7 73 {
simon 0:350011bf8be7 74 m_err404 = true;
simon 0:350011bf8be7 75 setErrCode(404);
simon 0:350011bf8be7 76 const char* msg = "File not found.";
simon 0:350011bf8be7 77 setContentLen(strlen(msg));
simon 0:350011bf8be7 78 respHeaders()["Content-Type"] = "text/html";
simon 0:350011bf8be7 79 respHeaders()["Connection"] = "close";
simon 0:350011bf8be7 80 writeData(msg,strlen(msg)); //Only send header
simon 0:350011bf8be7 81 DBG("\r\nExit FSHandler::doGet() w Error 404\r\n");
simon 0:350011bf8be7 82 return;
simon 0:350011bf8be7 83 }
simon 0:350011bf8be7 84
simon 0:350011bf8be7 85 //Seek EOF to get length
simon 0:350011bf8be7 86 fseek(m_fp, 0, SEEK_END);
simon 0:350011bf8be7 87 setContentLen( ftell(m_fp) );
simon 0:350011bf8be7 88 fseek(m_fp, 0, SEEK_SET); //Goto SOF
simon 0:350011bf8be7 89
simon 0:350011bf8be7 90 respHeaders()["Connection"] = "close";
simon 0:350011bf8be7 91 onWriteable();
simon 0:350011bf8be7 92 DBG("\r\nExit SimpleHandler::doGet()\r\n");
simon 0:350011bf8be7 93 }
simon 0:350011bf8be7 94
simon 0:350011bf8be7 95 void FSHandler::doPost()
simon 0:350011bf8be7 96 {
simon 0:350011bf8be7 97
simon 0:350011bf8be7 98 }
simon 0:350011bf8be7 99
simon 0:350011bf8be7 100 void FSHandler::doHead()
simon 0:350011bf8be7 101 {
simon 0:350011bf8be7 102
simon 0:350011bf8be7 103 }
simon 0:350011bf8be7 104
simon 0:350011bf8be7 105 void FSHandler::onReadable() //Data has been read
simon 0:350011bf8be7 106 {
simon 0:350011bf8be7 107
simon 0:350011bf8be7 108 }
simon 0:350011bf8be7 109
simon 0:350011bf8be7 110 void FSHandler::onWriteable() //Data has been written & buf is free
simon 0:350011bf8be7 111 {
simon 0:350011bf8be7 112 DBG("\r\nFSHandler::onWriteable() event\r\n");
simon 0:350011bf8be7 113 if(m_err404)
simon 0:350011bf8be7 114 {
simon 0:350011bf8be7 115 //Error has been served, now exit
simon 0:350011bf8be7 116 close();
simon 0:350011bf8be7 117 return;
simon 0:350011bf8be7 118 }
simon 0:350011bf8be7 119
simon 0:350011bf8be7 120 static char rBuf[CHUNK_SIZE];
simon 0:350011bf8be7 121 while(true)
simon 0:350011bf8be7 122 {
simon 0:350011bf8be7 123 int len = fread(rBuf, 1, CHUNK_SIZE, m_fp);
simon 0:350011bf8be7 124 if(len>0)
simon 0:350011bf8be7 125 {
simon 0:350011bf8be7 126 int writtenLen = writeData(rBuf, len);
simon 0:350011bf8be7 127 if(writtenLen < 0) //Socket error
simon 0:350011bf8be7 128 {
simon 0:350011bf8be7 129 DBG("FSHandler: Socket error %d\n", writtenLen);
simon 0:350011bf8be7 130 if(writtenLen == TCPSOCKET_MEM)
simon 0:350011bf8be7 131 {
simon 0:350011bf8be7 132 fseek(m_fp, -len, SEEK_CUR);
simon 0:350011bf8be7 133 return; //Wait for the queued TCP segments to be transmitted
simon 0:350011bf8be7 134 }
simon 0:350011bf8be7 135 else
simon 0:350011bf8be7 136 {
simon 0:350011bf8be7 137 //This is a critical error
simon 0:350011bf8be7 138 close();
simon 0:350011bf8be7 139 return;
simon 0:350011bf8be7 140 }
simon 0:350011bf8be7 141 }
simon 0:350011bf8be7 142 else if(writtenLen < len) //Short write, socket's buffer is full
simon 0:350011bf8be7 143 {
simon 0:350011bf8be7 144 fseek(m_fp, writtenLen - len, SEEK_CUR);
simon 0:350011bf8be7 145 return;
simon 0:350011bf8be7 146 }
simon 0:350011bf8be7 147 }
simon 0:350011bf8be7 148 else
simon 0:350011bf8be7 149 {
simon 0:350011bf8be7 150 close(); //Data written, we can close the connection
simon 0:350011bf8be7 151 return;
simon 0:350011bf8be7 152 }
simon 0:350011bf8be7 153 }
simon 0:350011bf8be7 154 }
simon 0:350011bf8be7 155
simon 0:350011bf8be7 156 void FSHandler::onClose() //Connection is closing
simon 0:350011bf8be7 157 {
simon 0:350011bf8be7 158 if(m_fp)
simon 0:350011bf8be7 159 fclose(m_fp);
simon 0:350011bf8be7 160 }