Murat Kilivan / HttpServer

An example HTTP Server library using new Ethernet Interface

Dependents:   HTMLServer_Sample

Handler/FSHandler.cpp@0:8e1971a883be, 2014-12-23 (annotated)

Committer:
mkilivan
Date:
Tue Dec 23 18:49:25 2014 +0000
Revision:
0:8e1971a883be
forked from http://developer.mbed.org/users/yueee_yt/code/giken9_HTMLServer_Sample/

Who changed what in which revision?

UserRevisionLine numberNew contents of line
mkilivan 0:8e1971a883be 1 /*
mkilivan 0:8e1971a883be 2 Permission is hereby granted, free of charge, to any person obtaining a copy
mkilivan 0:8e1971a883be 3 of this software and associated documentation files (the "Software"), to deal
mkilivan 0:8e1971a883be 4 in the Software without restriction, including without limitation the rights
mkilivan 0:8e1971a883be 5 to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
mkilivan 0:8e1971a883be 6 copies of the Software, and to permit persons to whom the Software is
mkilivan 0:8e1971a883be 7 furnished to do so, subject to the following conditions:
mkilivan 0:8e1971a883be 8
mkilivan 0:8e1971a883be 9 The above copyright notice and this permission notice shall be included in
mkilivan 0:8e1971a883be 10 all copies or substantial portions of the Software.
mkilivan 0:8e1971a883be 11
mkilivan 0:8e1971a883be 12 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
mkilivan 0:8e1971a883be 13 IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
mkilivan 0:8e1971a883be 14 FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
mkilivan 0:8e1971a883be 15 AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
mkilivan 0:8e1971a883be 16 LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
mkilivan 0:8e1971a883be 17 OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
mkilivan 0:8e1971a883be 18 THE SOFTWARE.
mkilivan 0:8e1971a883be 19 */
mkilivan 0:8e1971a883be 20 //#define _DEBUG_FS_HANDLER
mkilivan 0:8e1971a883be 21
mkilivan 0:8e1971a883be 22 #include "FSHandler.h"
mkilivan 0:8e1971a883be 23
mkilivan 0:8e1971a883be 24 #define CHUNK_SIZE 128
mkilivan 0:8e1971a883be 25
mkilivan 0:8e1971a883be 26 #define DEFAULT_PAGE "/index.htm"
mkilivan 0:8e1971a883be 27
mkilivan 0:8e1971a883be 28 //*FSHandler::FSHandler(const char* rootPath, const char* path, TCPSocket* pTCPSocket) : HTTPRequestHandler(rootPath, path, pTCPSocket), m_err404(false)
mkilivan 0:8e1971a883be 29 FSHandler::FSHandler(const char* rootPath, const char* path, TCPSocketConnection* pTCPSocketConnection) : HTTPRequestHandler(rootPath, path, pTCPSocketConnection), m_err404(false)
mkilivan 0:8e1971a883be 30 {}
mkilivan 0:8e1971a883be 31
mkilivan 0:8e1971a883be 32 FSHandler::~FSHandler()
mkilivan 0:8e1971a883be 33 {
mkilivan 0:8e1971a883be 34 #ifdef _DEBUG_FS_HANDLER
mkilivan 0:8e1971a883be 35 printf("++++(FSHandler) destroy\r\n");
mkilivan 0:8e1971a883be 36 #endif
mkilivan 0:8e1971a883be 37 if(m_fp) {
mkilivan 0:8e1971a883be 38 #ifdef _DEBUG_FS_HANDLER
mkilivan 0:8e1971a883be 39 printf("++++(FSHandler) fclose start\r\n");
mkilivan 0:8e1971a883be 40 #endif
mkilivan 0:8e1971a883be 41 fclose(m_fp);
mkilivan 0:8e1971a883be 42 #ifdef _DEBUG_FS_HANDLER
mkilivan 0:8e1971a883be 43 printf("+++(FSHandler) fclose end\r\n");
mkilivan 0:8e1971a883be 44 #endif
mkilivan 0:8e1971a883be 45
mkilivan 0:8e1971a883be 46 }
mkilivan 0:8e1971a883be 47 #ifdef _DEBUG_FS_HANDLER
mkilivan 0:8e1971a883be 48 printf("++++(FSHandler)Handler destroyed\r\n");
mkilivan 0:8e1971a883be 49 #endif
mkilivan 0:8e1971a883be 50 }
mkilivan 0:8e1971a883be 51
mkilivan 0:8e1971a883be 52 //static init
mkilivan 0:8e1971a883be 53 map<string,string> FSHandler::m_lFsPath = map<string,string>();
mkilivan 0:8e1971a883be 54
mkilivan 0:8e1971a883be 55 void FSHandler::mount(const string& fsPath, const string& rootPath)
mkilivan 0:8e1971a883be 56 {
mkilivan 0:8e1971a883be 57 m_lFsPath[rootPath]=fsPath;
mkilivan 0:8e1971a883be 58 }
mkilivan 0:8e1971a883be 59
mkilivan 0:8e1971a883be 60
mkilivan 0:8e1971a883be 61 void FSHandler::doGet()
mkilivan 0:8e1971a883be 62 {
mkilivan 0:8e1971a883be 63 #ifdef _DEBUG_FS_HANDLER
mkilivan 0:8e1971a883be 64 printf("++++(FSHandler)doGet() - rootPath=%s, path=%s\r\n", rootPath().c_str(), path().c_str());
mkilivan 0:8e1971a883be 65 #endif
mkilivan 0:8e1971a883be 66 //FIXME: Translate path to local/path
mkilivan 0:8e1971a883be 67 string checkedRootPath = rootPath();
mkilivan 0:8e1971a883be 68 if(checkedRootPath.empty())
mkilivan 0:8e1971a883be 69 checkedRootPath="/";
mkilivan 0:8e1971a883be 70 string filePath = m_lFsPath[checkedRootPath];
mkilivan 0:8e1971a883be 71 if (path().size() > 1) {
mkilivan 0:8e1971a883be 72 filePath += path();
mkilivan 0:8e1971a883be 73 } else {
mkilivan 0:8e1971a883be 74 filePath += DEFAULT_PAGE;
mkilivan 0:8e1971a883be 75 }
mkilivan 0:8e1971a883be 76 #ifdef _DEBUG_FS_HANDLER
mkilivan 0:8e1971a883be 77 printf("++++(FSHandler)Trying to open %s\r\n", filePath.c_str());
mkilivan 0:8e1971a883be 78 #endif
mkilivan 0:8e1971a883be 79 m_fp = fopen(filePath.c_str(), "r"); //FIXME: if null, error 404
mkilivan 0:8e1971a883be 80 #ifdef _DEBUG_FS_HANDLER
mkilivan 0:8e1971a883be 81 printf("++++(FSHandler) opened %s\r\n", filePath.c_str());
mkilivan 0:8e1971a883be 82 #endif
mkilivan 0:8e1971a883be 83
mkilivan 0:8e1971a883be 84 if(!m_fp) {
mkilivan 0:8e1971a883be 85 #ifdef _DEBUG_FS_HANDLER
mkilivan 0:8e1971a883be 86 printf("++++(FSHandler)404Error\r\n");
mkilivan 0:8e1971a883be 87 #endif
mkilivan 0:8e1971a883be 88
mkilivan 0:8e1971a883be 89 m_err404 = true;
mkilivan 0:8e1971a883be 90 setErrCode(404);
mkilivan 0:8e1971a883be 91 const char* msg = "File not found.";
mkilivan 0:8e1971a883be 92 setContentLen(strlen(msg));
mkilivan 0:8e1971a883be 93 // respHeaders()["Content-Type"] = "text/html";
mkilivan 0:8e1971a883be 94 // respHeaders()["Connection"] = "close";
mkilivan 0:8e1971a883be 95 addRespHeaders("Content-Type", "text/html");
mkilivan 0:8e1971a883be 96 addRespHeaders("Connection", "close");
mkilivan 0:8e1971a883be 97 writeData(msg,strlen(msg)); //Only send header
mkilivan 0:8e1971a883be 98 printf("++++(FSHandler)\r\nExit FSHandler::doGet() w Error 404\r\n");
mkilivan 0:8e1971a883be 99 return;
mkilivan 0:8e1971a883be 100 }
mkilivan 0:8e1971a883be 101 // printf("++++(FSHandler) Seek start\r\n");
mkilivan 0:8e1971a883be 102 //Seek EOF to get length
mkilivan 0:8e1971a883be 103 fseek(m_fp, 0, SEEK_END);
mkilivan 0:8e1971a883be 104 setContentLen( ftell(m_fp) );
mkilivan 0:8e1971a883be 105 fseek(m_fp, 0, SEEK_SET); //Goto SOF
mkilivan 0:8e1971a883be 106
mkilivan 0:8e1971a883be 107 // respHeaders()["Connection"] = "close";
mkilivan 0:8e1971a883be 108 addRespHeaders("Connection", "close");
mkilivan 0:8e1971a883be 109 // printf("++++(FSHandler)Write start\r\n");
mkilivan 0:8e1971a883be 110 onWriteable();
mkilivan 0:8e1971a883be 111 #ifdef _DEBUG_FS_HANDLER
mkilivan 0:8e1971a883be 112 printf("++++(FSHandler)Exit doGet()\r\n");
mkilivan 0:8e1971a883be 113 #endif
mkilivan 0:8e1971a883be 114 }
mkilivan 0:8e1971a883be 115
mkilivan 0:8e1971a883be 116 void FSHandler::doPost()
mkilivan 0:8e1971a883be 117 {
mkilivan 0:8e1971a883be 118
mkilivan 0:8e1971a883be 119 }
mkilivan 0:8e1971a883be 120
mkilivan 0:8e1971a883be 121 void FSHandler::doHead()
mkilivan 0:8e1971a883be 122 {
mkilivan 0:8e1971a883be 123
mkilivan 0:8e1971a883be 124 }
mkilivan 0:8e1971a883be 125
mkilivan 0:8e1971a883be 126 void FSHandler::onReadable() //Data has been read
mkilivan 0:8e1971a883be 127 {
mkilivan 0:8e1971a883be 128
mkilivan 0:8e1971a883be 129 }
mkilivan 0:8e1971a883be 130
mkilivan 0:8e1971a883be 131 void FSHandler::onWriteable() //Data has been written & buf is free
mkilivan 0:8e1971a883be 132 {
mkilivan 0:8e1971a883be 133 #ifdef _DEBUG_FS_HANDLER
mkilivan 0:8e1971a883be 134 printf("++++(FSHandler)onWriteable() event\r\n");
mkilivan 0:8e1971a883be 135 #endif
mkilivan 0:8e1971a883be 136 if(m_err404) {
mkilivan 0:8e1971a883be 137 #ifdef _DEBUG_FS_HANDLER
mkilivan 0:8e1971a883be 138 printf("++++(FSHandler)m_err404\r\n");
mkilivan 0:8e1971a883be 139 #endif
mkilivan 0:8e1971a883be 140 //Error has been served, now exit
mkilivan 0:8e1971a883be 141 close();
mkilivan 0:8e1971a883be 142 return;
mkilivan 0:8e1971a883be 143 }
mkilivan 0:8e1971a883be 144 #ifdef _DEBUG_FS_HANDLER
mkilivan 0:8e1971a883be 145 printf("++++(FSHandler)not m_err404\r\n");
mkilivan 0:8e1971a883be 146 #endif
mkilivan 0:8e1971a883be 147
mkilivan 0:8e1971a883be 148 static char rBuf[CHUNK_SIZE];
mkilivan 0:8e1971a883be 149 while(true) {
mkilivan 0:8e1971a883be 150 int len = fread(rBuf, 1, CHUNK_SIZE, m_fp);
mkilivan 0:8e1971a883be 151 if(len>0) {
mkilivan 0:8e1971a883be 152 int writtenLen = writeData(rBuf, len);
mkilivan 0:8e1971a883be 153 if(writtenLen < 0) { //Socket error
mkilivan 0:8e1971a883be 154 #ifdef _DEBUG_FS_HANDLER
mkilivan 0:8e1971a883be 155 printf("++++(FSHandler) Socket error %d\r\n", writtenLen);
mkilivan 0:8e1971a883be 156 #endif
mkilivan 0:8e1971a883be 157 /** Not Work
mkilivan 0:8e1971a883be 158 if(writtenLen == TCPSOCKET_MEM) {
mkilivan 0:8e1971a883be 159 #ifdef _DEBUG_FS_HANDLER
mkilivan 0:8e1971a883be 160 printf("FSHandler: Socket error %d\n", writtenLen);
mkilivan 0:8e1971a883be 161 #endif
mkilivan 0:8e1971a883be 162 fseek(m_fp, -len, SEEK_CUR);
mkilivan 0:8e1971a883be 163 return; //Wait for the queued TCP segments to be transmitted
mkilivan 0:8e1971a883be 164 } else {
mkilivan 0:8e1971a883be 165 //This is a critical error
mkilivan 0:8e1971a883be 166 **/
mkilivan 0:8e1971a883be 167 #ifdef _DEBUG_FS_HANDLER
mkilivan 0:8e1971a883be 168 printf("++++(FSHandler)critical error\r\n");
mkilivan 0:8e1971a883be 169 #endif
mkilivan 0:8e1971a883be 170 close();
mkilivan 0:8e1971a883be 171 return;
mkilivan 0:8e1971a883be 172 /**
mkilivan 0:8e1971a883be 173 }
mkilivan 0:8e1971a883be 174 **/
mkilivan 0:8e1971a883be 175 } else if(writtenLen < len) { //Short write, socket's buffer is full
mkilivan 0:8e1971a883be 176 #ifdef _DEBUG_FS_HANDLER
mkilivan 0:8e1971a883be 177 printf("++++(FSHandler)Short write, socket's buffer is full\r\n");
mkilivan 0:8e1971a883be 178 #endif
mkilivan 0:8e1971a883be 179 fseek(m_fp, writtenLen - len, SEEK_CUR);
mkilivan 0:8e1971a883be 180 return;
mkilivan 0:8e1971a883be 181 }
mkilivan 0:8e1971a883be 182 } else {
mkilivan 0:8e1971a883be 183 close(); //Data written, we can close the connection
mkilivan 0:8e1971a883be 184 return;
mkilivan 0:8e1971a883be 185 }
mkilivan 0:8e1971a883be 186 }
mkilivan 0:8e1971a883be 187 }
mkilivan 0:8e1971a883be 188
mkilivan 0:8e1971a883be 189 void FSHandler::onClose() //Connection is closing
mkilivan 0:8e1971a883be 190 {
mkilivan 0:8e1971a883be 191 /**
mkilivan 0:8e1971a883be 192 #ifdef _DEBUG_FS_HANDLER
mkilivan 0:8e1971a883be 193 printf("FSHandler: onClose start \r\n");
mkilivan 0:8e1971a883be 194 #endif
mkilivan 0:8e1971a883be 195 if(m_fp){
mkilivan 0:8e1971a883be 196 #ifdef _DEBUG_FS_HANDLER
mkilivan 0:8e1971a883be 197 printf("FSHandler: fclose start \r\n");
mkilivan 0:8e1971a883be 198 #endif
mkilivan 0:8e1971a883be 199 fclose(m_fp);
mkilivan 0:8e1971a883be 200 #ifdef _DEBUG_FS_HANDLER
mkilivan 0:8e1971a883be 201 printf("FSHandler: fclose end \r\n");
mkilivan 0:8e1971a883be 202 #endif
mkilivan 0:8e1971a883be 203 }
mkilivan 0:8e1971a883be 204 #ifdef _DEBUG_FS_HANDLER
mkilivan 0:8e1971a883be 205 printf("FSHandler: onClose end \r\n");
mkilivan 0:8e1971a883be 206 #endif
mkilivan 0:8e1971a883be 207 **/
mkilivan 0:8e1971a883be 208 }
mkilivan 0:8e1971a883be 209
mkilivan 0:8e1971a883be 210