Nino Der Kinderen / Mbed 2 deprecated InetTest

Embedded C project:18/12/2014

Dependencies:   DS1307 TextLCD mbed

NetServices/services/http/server/impl/FSHandler.cpp@0:8d87bc453349, 2014-12-18 (annotated)

Committer:
ninoderkinderen
Date:
Thu Dec 18 09:35:49 2014 +0000
Revision:
0:8d87bc453349
Programma embedded C

Who changed what in which revision?

UserRevisionLine numberNew contents of line
ninoderkinderen 0:8d87bc453349 1
ninoderkinderen 0:8d87bc453349 2 /*
ninoderkinderen 0:8d87bc453349 3 Copyright (c) 2010 Donatien Garnier (donatiengar [at] gmail [dot] com)
ninoderkinderen 0:8d87bc453349 4
ninoderkinderen 0:8d87bc453349 5 Permission is hereby granted, free of charge, to any person obtaining a copy
ninoderkinderen 0:8d87bc453349 6 of this software and associated documentation files (the "Software"), to deal
ninoderkinderen 0:8d87bc453349 7 in the Software without restriction, including without limitation the rights
ninoderkinderen 0:8d87bc453349 8 to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
ninoderkinderen 0:8d87bc453349 9 copies of the Software, and to permit persons to whom the Software is
ninoderkinderen 0:8d87bc453349 10 furnished to do so, subject to the following conditions:
ninoderkinderen 0:8d87bc453349 11
ninoderkinderen 0:8d87bc453349 12 The above copyright notice and this permission notice shall be included in
ninoderkinderen 0:8d87bc453349 13 all copies or substantial portions of the Software.
ninoderkinderen 0:8d87bc453349 14
ninoderkinderen 0:8d87bc453349 15 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
ninoderkinderen 0:8d87bc453349 16 IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
ninoderkinderen 0:8d87bc453349 17 FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
ninoderkinderen 0:8d87bc453349 18 AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
ninoderkinderen 0:8d87bc453349 19 LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
ninoderkinderen 0:8d87bc453349 20 OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
ninoderkinderen 0:8d87bc453349 21 THE SOFTWARE.
ninoderkinderen 0:8d87bc453349 22 */
ninoderkinderen 0:8d87bc453349 23
ninoderkinderen 0:8d87bc453349 24 #include "FSHandler.h"
ninoderkinderen 0:8d87bc453349 25
ninoderkinderen 0:8d87bc453349 26 //#define __DEBUG
ninoderkinderen 0:8d87bc453349 27 #include "dbg/dbg.h"
ninoderkinderen 0:8d87bc453349 28
ninoderkinderen 0:8d87bc453349 29 #define CHUNK_SIZE 128
ninoderkinderen 0:8d87bc453349 30
ninoderkinderen 0:8d87bc453349 31 #define DEFAULT_PAGE "/index.htm"
ninoderkinderen 0:8d87bc453349 32
ninoderkinderen 0:8d87bc453349 33 FSHandler::FSHandler(const char* rootPath, const char* path, TCPSocket* pTCPSocket) : HTTPRequestHandler(rootPath, path, pTCPSocket), m_err404(false)
ninoderkinderen 0:8d87bc453349 34 {}
ninoderkinderen 0:8d87bc453349 35
ninoderkinderen 0:8d87bc453349 36 FSHandler::~FSHandler()
ninoderkinderen 0:8d87bc453349 37 {
ninoderkinderen 0:8d87bc453349 38 if(m_fp)
ninoderkinderen 0:8d87bc453349 39 fclose(m_fp);
ninoderkinderen 0:8d87bc453349 40 DBG("\r\nHandler destroyed\r\n");
ninoderkinderen 0:8d87bc453349 41 }
ninoderkinderen 0:8d87bc453349 42
ninoderkinderen 0:8d87bc453349 43 //static init
ninoderkinderen 0:8d87bc453349 44 map<string,string> FSHandler::m_lFsPath = map<string,string>();
ninoderkinderen 0:8d87bc453349 45
ninoderkinderen 0:8d87bc453349 46 void FSHandler::mount(const string& fsPath, const string& rootPath)
ninoderkinderen 0:8d87bc453349 47 {
ninoderkinderen 0:8d87bc453349 48 m_lFsPath[rootPath]=fsPath;
ninoderkinderen 0:8d87bc453349 49 }
ninoderkinderen 0:8d87bc453349 50
ninoderkinderen 0:8d87bc453349 51 void FSHandler::doGet()
ninoderkinderen 0:8d87bc453349 52 {
ninoderkinderen 0:8d87bc453349 53 DBG("\r\nIn FSHandler::doGet() - rootPath=%s, path=%s\r\n", rootPath().c_str(), path().c_str());
ninoderkinderen 0:8d87bc453349 54 //FIXME: Translate path to local/path
ninoderkinderen 0:8d87bc453349 55 string checkedRootPath = rootPath();
ninoderkinderen 0:8d87bc453349 56 if(checkedRootPath.empty())
ninoderkinderen 0:8d87bc453349 57 checkedRootPath="/";
ninoderkinderen 0:8d87bc453349 58 string filePath = m_lFsPath[checkedRootPath];
ninoderkinderen 0:8d87bc453349 59 if (path().size() > 1)
ninoderkinderen 0:8d87bc453349 60 {
ninoderkinderen 0:8d87bc453349 61 filePath += path();
ninoderkinderen 0:8d87bc453349 62 }
ninoderkinderen 0:8d87bc453349 63 else
ninoderkinderen 0:8d87bc453349 64 {
ninoderkinderen 0:8d87bc453349 65 filePath += DEFAULT_PAGE;
ninoderkinderen 0:8d87bc453349 66 }
ninoderkinderen 0:8d87bc453349 67
ninoderkinderen 0:8d87bc453349 68 DBG("Trying to open %s\n", filePath.c_str());
ninoderkinderen 0:8d87bc453349 69
ninoderkinderen 0:8d87bc453349 70 m_fp = fopen(filePath.c_str(), "r"); //FIXME: if null, error 404
ninoderkinderen 0:8d87bc453349 71
ninoderkinderen 0:8d87bc453349 72 if(!m_fp)
ninoderkinderen 0:8d87bc453349 73 {
ninoderkinderen 0:8d87bc453349 74 m_err404 = true;
ninoderkinderen 0:8d87bc453349 75 setErrCode(404);
ninoderkinderen 0:8d87bc453349 76 const char* msg = "File not found.";
ninoderkinderen 0:8d87bc453349 77 setContentLen(strlen(msg));
ninoderkinderen 0:8d87bc453349 78 respHeaders()["Content-Type"] = "text/html";
ninoderkinderen 0:8d87bc453349 79 respHeaders()["Connection"] = "close";
ninoderkinderen 0:8d87bc453349 80 writeData(msg,strlen(msg)); //Only send header
ninoderkinderen 0:8d87bc453349 81 DBG("\r\nExit FSHandler::doGet() w Error 404\r\n");
ninoderkinderen 0:8d87bc453349 82 return;
ninoderkinderen 0:8d87bc453349 83 }
ninoderkinderen 0:8d87bc453349 84
ninoderkinderen 0:8d87bc453349 85 //Seek EOF to get length
ninoderkinderen 0:8d87bc453349 86 fseek(m_fp, 0, SEEK_END);
ninoderkinderen 0:8d87bc453349 87 setContentLen( ftell(m_fp) );
ninoderkinderen 0:8d87bc453349 88 fseek(m_fp, 0, SEEK_SET); //Goto SOF
ninoderkinderen 0:8d87bc453349 89
ninoderkinderen 0:8d87bc453349 90 respHeaders()["Connection"] = "close";
ninoderkinderen 0:8d87bc453349 91 onWriteable();
ninoderkinderen 0:8d87bc453349 92 DBG("\r\nExit SimpleHandler::doGet()\r\n");
ninoderkinderen 0:8d87bc453349 93 }
ninoderkinderen 0:8d87bc453349 94
ninoderkinderen 0:8d87bc453349 95 void FSHandler::doPost()
ninoderkinderen 0:8d87bc453349 96 {
ninoderkinderen 0:8d87bc453349 97
ninoderkinderen 0:8d87bc453349 98 }
ninoderkinderen 0:8d87bc453349 99
ninoderkinderen 0:8d87bc453349 100 void FSHandler::doHead()
ninoderkinderen 0:8d87bc453349 101 {
ninoderkinderen 0:8d87bc453349 102
ninoderkinderen 0:8d87bc453349 103 }
ninoderkinderen 0:8d87bc453349 104
ninoderkinderen 0:8d87bc453349 105 void FSHandler::onReadable() //Data has been read
ninoderkinderen 0:8d87bc453349 106 {
ninoderkinderen 0:8d87bc453349 107
ninoderkinderen 0:8d87bc453349 108 }
ninoderkinderen 0:8d87bc453349 109
ninoderkinderen 0:8d87bc453349 110 void FSHandler::onWriteable() //Data has been written & buf is free
ninoderkinderen 0:8d87bc453349 111 {
ninoderkinderen 0:8d87bc453349 112 DBG("\r\nFSHandler::onWriteable() event\r\n");
ninoderkinderen 0:8d87bc453349 113 if(m_err404)
ninoderkinderen 0:8d87bc453349 114 {
ninoderkinderen 0:8d87bc453349 115 //Error has been served, now exit
ninoderkinderen 0:8d87bc453349 116 close();
ninoderkinderen 0:8d87bc453349 117 return;
ninoderkinderen 0:8d87bc453349 118 }
ninoderkinderen 0:8d87bc453349 119
ninoderkinderen 0:8d87bc453349 120 static char rBuf[CHUNK_SIZE];
ninoderkinderen 0:8d87bc453349 121 while(true)
ninoderkinderen 0:8d87bc453349 122 {
ninoderkinderen 0:8d87bc453349 123 int len = fread(rBuf, 1, CHUNK_SIZE, m_fp);
ninoderkinderen 0:8d87bc453349 124 if(len>0)
ninoderkinderen 0:8d87bc453349 125 {
ninoderkinderen 0:8d87bc453349 126 int writtenLen = writeData(rBuf, len);
ninoderkinderen 0:8d87bc453349 127 if(writtenLen < 0) //Socket error
ninoderkinderen 0:8d87bc453349 128 {
ninoderkinderen 0:8d87bc453349 129 DBG("FSHandler: Socket error %d\n", writtenLen);
ninoderkinderen 0:8d87bc453349 130 if(writtenLen == TCPSOCKET_MEM)
ninoderkinderen 0:8d87bc453349 131 {
ninoderkinderen 0:8d87bc453349 132 fseek(m_fp, -len, SEEK_CUR);
ninoderkinderen 0:8d87bc453349 133 return; //Wait for the queued TCP segments to be transmitted
ninoderkinderen 0:8d87bc453349 134 }
ninoderkinderen 0:8d87bc453349 135 else
ninoderkinderen 0:8d87bc453349 136 {
ninoderkinderen 0:8d87bc453349 137 //This is a critical error
ninoderkinderen 0:8d87bc453349 138 close();
ninoderkinderen 0:8d87bc453349 139 return;
ninoderkinderen 0:8d87bc453349 140 }
ninoderkinderen 0:8d87bc453349 141 }
ninoderkinderen 0:8d87bc453349 142 else if(writtenLen < len) //Short write, socket's buffer is full
ninoderkinderen 0:8d87bc453349 143 {
ninoderkinderen 0:8d87bc453349 144 fseek(m_fp, writtenLen - len, SEEK_CUR);
ninoderkinderen 0:8d87bc453349 145 return;
ninoderkinderen 0:8d87bc453349 146 }
ninoderkinderen 0:8d87bc453349 147 }
ninoderkinderen 0:8d87bc453349 148 else
ninoderkinderen 0:8d87bc453349 149 {
ninoderkinderen 0:8d87bc453349 150 close(); //Data written, we can close the connection
ninoderkinderen 0:8d87bc453349 151 return;
ninoderkinderen 0:8d87bc453349 152 }
ninoderkinderen 0:8d87bc453349 153 }
ninoderkinderen 0:8d87bc453349 154 }
ninoderkinderen 0:8d87bc453349 155
ninoderkinderen 0:8d87bc453349 156 void FSHandler::onClose() //Connection is closing
ninoderkinderen 0:8d87bc453349 157 {
ninoderkinderen 0:8d87bc453349 158 if(m_fp)
ninoderkinderen 0:8d87bc453349 159 fclose(m_fp);
ninoderkinderen 0:8d87bc453349 160 }