A simple web server mainly based on ideas from Jasper Schuurmans Netduino web server
Dependents: RdBlindsServer SpideyWallWeb RdGasUseMonitor
A fast and reliable web server for MBED! http://robdobson.com/2015/08/a-reliable-mbed-webserver/
It has a very neat way to implement REST commands and can serve files from local storage (on LPC1768 for instance) and from SD cards. It also has a caching facility which is particularly useful for serving files from local storage.
The server can be run in the main() thread (and has a sub-2ms response time if this is done) or in a mbed-rtos thread which increases the response time to (a still respectable) 30ms or so.
The latest project that uses this is here - https://developer.mbed.org/users/Bobty/code/SpideyWallWeb/
int main (void) { // Ethernet interface EthernetInterface::init(); // Connect ethernet EthernetInterface::connect(); // Init the web server pc.printf("Starting web server\r\n"); char* baseWebFolder = "/sd/"; // should be /sd/ for SDcard files - not used for local file system RdWebServer webServer; // Add commands to handle the home page and favicon webServer.addCommand("", RdWebServerCmdDef::CMD_LOCALFILE, NULL, "index.htm", true); webServer.addCommand("favicon.ico", RdWebServerCmdDef::CMD_LOCALFILE, NULL, NULL, true); // Add the lightwall control commands webServer.addCommand("name", RdWebServerCmdDef::CMD_CALLBACK, &lightwallGetSystemName); webServer.addCommand("clear", RdWebServerCmdDef::CMD_CALLBACK, &lightwallClear); webServer.addCommand("rawfill", RdWebServerCmdDef::CMD_CALLBACK, &lightwallRawFill); webServer.addCommand("fill", RdWebServerCmdDef::CMD_CALLBACK, &lightwallFill); webServer.addCommand("showleds", RdWebServerCmdDef::CMD_CALLBACK, &lightwallShowLeds); // Start the server webServer.init(WEBPORT, &led4, baseWebFolder); webServer.run(); } // Get system name - No arguments required char* lightwallGetSystemName(int method, char*cmdStr, char* argStr, char* msgBuffer, int msgLen, int contentLen, unsigned char* pPayload, int payloadLen, int splitPayloadPos) { // Perform any required actions here .... // ... // Return the system name return systemName; }
This server was originally based on a Netduino web server from Jasper Schuurmans but has been optimised for speed.
RdWebServer.cpp@18:5de680c4cfcb, 2015-05-11 (annotated)
- Committer:
- Bobty
- Date:
- Mon May 11 14:26:54 2015 +0000
- Revision:
- 18:5de680c4cfcb
- Parent:
- 17:080f2bed8b36
- Child:
- 19:f67ac231b570
Tidied up - still resets connection when it receives two requests in very short succession - not sure if this is a bug in lwip or something to do with socket limits or lack of threading
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
Bobty | 3:594136d34a32 | 1 | /* RdWebServer.cpp |
Bobty | 15:0865fa4b046a | 2 | Rob Dobson 2013-2015 |
Bobty | 3:594136d34a32 | 3 | Inspired by Jasper Schuurmans multi-threaded web server for Netduino http://www.schuurmans.cc/multi-threaded-web-server-for-netduino-plus |
Bobty | 3:594136d34a32 | 4 | More details at http://robdobson.com/2013/10/moving-my-window-shades-control-to-mbed/ |
Bobty | 3:594136d34a32 | 5 | */ |
Bobty | 3:594136d34a32 | 6 | |
Bobty | 18:5de680c4cfcb | 7 | // Setting RDWEB_DEBUG to 4 causes all debugging to be shown |
Bobty | 18:5de680c4cfcb | 8 | #define RDWEB_DEBUG 1 |
Bobty | 18:5de680c4cfcb | 9 | |
Bobty | 18:5de680c4cfcb | 10 | // Change the settings below to support a local file system (not available on some MBEDs) |
Bobty | 18:5de680c4cfcb | 11 | //#define SUPPORT_LOCAL_FILESYSTEM 1 |
Bobty | 18:5de680c4cfcb | 12 | //#define SUPPORT_LOCAL_FILE_CACHE 1 |
Bobty | 18:5de680c4cfcb | 13 | |
Bobty | 18:5de680c4cfcb | 14 | // Change this to support display of files on the server |
Bobty | 18:5de680c4cfcb | 15 | //#define SUPPORT_FOLDER_VIEW 1 |
Bobty | 12:c14ffd4ec125 | 16 | |
Bobty | 0:b5b4d07f7827 | 17 | #include "RdWebServer.h" |
Bobty | 0:b5b4d07f7827 | 18 | |
Bobty | 18:5de680c4cfcb | 19 | // Limits - note particularly the MAX_FILENAME_LEN |
Bobty | 15:0865fa4b046a | 20 | const int MAX_CMDSTR_LEN = 100; |
Bobty | 15:0865fa4b046a | 21 | const int MAX_ARGSTR_LEN = 100; |
Bobty | 15:0865fa4b046a | 22 | const int MAX_FILENAME_LEN = (MAX_ARGSTR_LEN + 20); |
Bobty | 1:75bb184de749 | 23 | |
Bobty | 18:5de680c4cfcb | 24 | // Constructor |
Bobty | 0:b5b4d07f7827 | 25 | RdWebServer::RdWebServer() |
Bobty | 0:b5b4d07f7827 | 26 | { |
Bobty | 15:0865fa4b046a | 27 | _initOk = false; |
Bobty | 0:b5b4d07f7827 | 28 | _pStatusLed = NULL; |
Bobty | 0:b5b4d07f7827 | 29 | } |
Bobty | 0:b5b4d07f7827 | 30 | |
Bobty | 18:5de680c4cfcb | 31 | // Destructor |
Bobty | 0:b5b4d07f7827 | 32 | RdWebServer::~RdWebServer() |
Bobty | 0:b5b4d07f7827 | 33 | { |
Bobty | 2:9d8793c23b46 | 34 | // Clean-up - probably never called as we're on a microcontroller! |
Bobty | 2:9d8793c23b46 | 35 | for (std::vector<RdWebServerCmdDef*>::iterator it = _commands.begin() ; it != _commands.end(); ++it) |
Bobty | 2:9d8793c23b46 | 36 | delete (*it); |
Bobty | 0:b5b4d07f7827 | 37 | } |
Bobty | 0:b5b4d07f7827 | 38 | |
Bobty | 18:5de680c4cfcb | 39 | // Init |
Bobty | 4:6afb3bbf20a4 | 40 | bool RdWebServer::init(int port, DigitalOut* pStatusLed, char* pBaseWebFolder) |
Bobty | 0:b5b4d07f7827 | 41 | { |
Bobty | 15:0865fa4b046a | 42 | // Settings |
Bobty | 0:b5b4d07f7827 | 43 | _port = port; |
Bobty | 0:b5b4d07f7827 | 44 | _pStatusLed = pStatusLed; |
Bobty | 4:6afb3bbf20a4 | 45 | _pBaseWebFolder = pBaseWebFolder; |
Bobty | 0:b5b4d07f7827 | 46 | |
Bobty | 17:080f2bed8b36 | 47 | // The sample web server on MBED site turns off blocking after the accept has happened |
Bobty | 17:080f2bed8b36 | 48 | // I've tried this but it doesn't seem to yield a reliable server |
Bobty | 17:080f2bed8b36 | 49 | _blockingOnAccept = true; |
Bobty | 17:080f2bed8b36 | 50 | _blockingOnReceive = true; |
Bobty | 17:080f2bed8b36 | 51 | |
Bobty | 17:080f2bed8b36 | 52 | // This is the same as the default in the socket.cpp file |
Bobty | 17:080f2bed8b36 | 53 | _timeoutOnBlocking = 1500; |
Bobty | 17:080f2bed8b36 | 54 | |
Bobty | 17:080f2bed8b36 | 55 | // Currently tested using close connection after send with a single file which works fine |
Bobty | 17:080f2bed8b36 | 56 | // If closeConnAfterSend is set false then the socket connection remains open and only |
Bobty | 17:080f2bed8b36 | 57 | // one client can access the server at a time |
Bobty | 17:080f2bed8b36 | 58 | // Need to test with the closeConnAfterSend seetting true when trying to download multiple files |
Bobty | 17:080f2bed8b36 | 59 | // for a website as previous experience would indicate that requests might be missed in this scenario |
Bobty | 17:080f2bed8b36 | 60 | // although all other settings may not have been the same |
Bobty | 17:080f2bed8b36 | 61 | _closeConnAfterSend = true; |
Bobty | 17:080f2bed8b36 | 62 | _closeConnOnReceiveFail = true; |
Bobty | 17:080f2bed8b36 | 63 | |
Bobty | 15:0865fa4b046a | 64 | // Setup tcp socket |
Bobty | 15:0865fa4b046a | 65 | _serverSocket.set_blocking(true); |
Bobty | 15:0865fa4b046a | 66 | if(_serverSocket.bind(port)< 0) |
Bobty | 0:b5b4d07f7827 | 67 | { |
Bobty | 11:cec51b430b20 | 68 | RD_WARN("TCP server bind fail\n\r"); |
Bobty | 0:b5b4d07f7827 | 69 | return false; |
Bobty | 0:b5b4d07f7827 | 70 | } |
Bobty | 15:0865fa4b046a | 71 | if(_serverSocket.listen(1) < 0) |
Bobty | 0:b5b4d07f7827 | 72 | { |
Bobty | 11:cec51b430b20 | 73 | RD_WARN("TCP server listen fail\n\r"); |
Bobty | 0:b5b4d07f7827 | 74 | return false; |
Bobty | 0:b5b4d07f7827 | 75 | } |
Bobty | 15:0865fa4b046a | 76 | RD_INFO("TCP server is listening...\r\n"); |
Bobty | 15:0865fa4b046a | 77 | _initOk = true; |
Bobty | 6:46285c519af2 | 78 | return true; |
Bobty | 6:46285c519af2 | 79 | } |
Bobty | 6:46285c519af2 | 80 | |
Bobty | 18:5de680c4cfcb | 81 | // Run - never returns so run in a thread |
Bobty | 15:0865fa4b046a | 82 | void RdWebServer::run() |
Bobty | 15:0865fa4b046a | 83 | { |
Bobty | 15:0865fa4b046a | 84 | // Check initialised ok |
Bobty | 15:0865fa4b046a | 85 | if (!_initOk) |
Bobty | 15:0865fa4b046a | 86 | return; |
Bobty | 15:0865fa4b046a | 87 | |
Bobty | 15:0865fa4b046a | 88 | // Start accepting connections |
Bobty | 15:0865fa4b046a | 89 | while (true) |
Bobty | 15:0865fa4b046a | 90 | { |
Bobty | 15:0865fa4b046a | 91 | TCPSocketConnection clientSocketConn; |
Bobty | 15:0865fa4b046a | 92 | // Accept connection if available |
Bobty | 15:0865fa4b046a | 93 | RD_INFO("Waiting for TCP connection\r\n"); |
Bobty | 17:080f2bed8b36 | 94 | clientSocketConn.set_blocking(_blockingOnAccept, _timeoutOnBlocking); |
Bobty | 15:0865fa4b046a | 95 | if(_serverSocket.accept(clientSocketConn)<0) |
Bobty | 15:0865fa4b046a | 96 | { |
Bobty | 15:0865fa4b046a | 97 | RD_WARN("TCP Socket failed to accept connection\n\r"); |
Bobty | 15:0865fa4b046a | 98 | continue; |
Bobty | 15:0865fa4b046a | 99 | } |
Bobty | 15:0865fa4b046a | 100 | |
Bobty | 15:0865fa4b046a | 101 | // Connection |
Bobty | 15:0865fa4b046a | 102 | RD_INFO("Connection from IP: %s\n\r", clientSocketConn.get_address()); |
Bobty | 15:0865fa4b046a | 103 | if (_pStatusLed != NULL) |
Bobty | 15:0865fa4b046a | 104 | *_pStatusLed = true; |
Bobty | 15:0865fa4b046a | 105 | |
Bobty | 15:0865fa4b046a | 106 | // While connected |
Bobty | 15:0865fa4b046a | 107 | bool forcedClosed = false; |
Bobty | 15:0865fa4b046a | 108 | while(clientSocketConn.is_connected() && !forcedClosed) |
Bobty | 15:0865fa4b046a | 109 | { |
Bobty | 15:0865fa4b046a | 110 | // Receive data |
Bobty | 17:080f2bed8b36 | 111 | clientSocketConn.set_blocking(_blockingOnReceive, _timeoutOnBlocking); |
Bobty | 15:0865fa4b046a | 112 | int rxLen = clientSocketConn.receive(_buffer, HTTPD_MAX_REQ_LENGTH); |
Bobty | 15:0865fa4b046a | 113 | if (rxLen == -1) |
Bobty | 15:0865fa4b046a | 114 | { |
Bobty | 15:0865fa4b046a | 115 | RD_DBG("clientSocketConn.receive() returned %d\r\n", rxLen); |
Bobty | 17:080f2bed8b36 | 116 | if (_closeConnOnReceiveFail) |
Bobty | 15:0865fa4b046a | 117 | { |
Bobty | 15:0865fa4b046a | 118 | int closeRet = clientSocketConn.close(); |
Bobty | 15:0865fa4b046a | 119 | RD_DBG("Failed receive connection close() ret %d is connected %d\r\n", closeRet, clientSocketConn.is_connected()); |
Bobty | 15:0865fa4b046a | 120 | forcedClosed = true; |
Bobty | 15:0865fa4b046a | 121 | } |
Bobty | 15:0865fa4b046a | 122 | continue; |
Bobty | 15:0865fa4b046a | 123 | } |
Bobty | 15:0865fa4b046a | 124 | if (rxLen == 0) |
Bobty | 15:0865fa4b046a | 125 | { |
Bobty | 16:0248bbfdb6c1 | 126 | RD_DBG("clientSocketConn.receive() returned %d - ignoring - is connected %d\r\n", rxLen, clientSocketConn.is_connected()); |
Bobty | 15:0865fa4b046a | 127 | continue; |
Bobty | 15:0865fa4b046a | 128 | } |
Bobty | 15:0865fa4b046a | 129 | if (rxLen > HTTPD_MAX_REQ_LENGTH) |
Bobty | 15:0865fa4b046a | 130 | { |
Bobty | 15:0865fa4b046a | 131 | RD_DBG("clientSocketConn.receive() returned %d - too long\r\n", rxLen); |
Bobty | 17:080f2bed8b36 | 132 | formHTTPHeader("413 Request Entity Too Large", "text/plain", 0); |
Bobty | 17:080f2bed8b36 | 133 | int sentRet = clientSocketConn.send(_httpHeader,strlen(_httpHeader)); |
Bobty | 15:0865fa4b046a | 134 | continue; |
Bobty | 15:0865fa4b046a | 135 | } |
Bobty | 18:5de680c4cfcb | 136 | |
Bobty | 18:5de680c4cfcb | 137 | // Handle received message |
Bobty | 15:0865fa4b046a | 138 | RD_DBG("Received len %d\r\n", rxLen); |
Bobty | 15:0865fa4b046a | 139 | _buffer[rxLen] = '\0'; |
Bobty | 15:0865fa4b046a | 140 | RD_DBG("%s\r\n", _buffer); |
Bobty | 18:5de680c4cfcb | 141 | if (handleReceivedHttp(clientSocketConn)) |
Bobty | 18:5de680c4cfcb | 142 | { |
Bobty | 18:5de680c4cfcb | 143 | // OK |
Bobty | 18:5de680c4cfcb | 144 | } |
Bobty | 18:5de680c4cfcb | 145 | else |
Bobty | 18:5de680c4cfcb | 146 | { |
Bobty | 18:5de680c4cfcb | 147 | // FAIL |
Bobty | 18:5de680c4cfcb | 148 | } |
Bobty | 15:0865fa4b046a | 149 | |
Bobty | 17:080f2bed8b36 | 150 | // Close connection if required |
Bobty | 17:080f2bed8b36 | 151 | if (_closeConnAfterSend) |
Bobty | 15:0865fa4b046a | 152 | { |
Bobty | 15:0865fa4b046a | 153 | int closeRet = clientSocketConn.close(); |
Bobty | 16:0248bbfdb6c1 | 154 | RD_DBG("After send connection close() ret %d is connected %d\r\n", closeRet, clientSocketConn.is_connected()); |
Bobty | 16:0248bbfdb6c1 | 155 | forcedClosed = true; |
Bobty | 15:0865fa4b046a | 156 | } |
Bobty | 15:0865fa4b046a | 157 | } |
Bobty | 15:0865fa4b046a | 158 | } |
Bobty | 15:0865fa4b046a | 159 | } |
Bobty | 18:5de680c4cfcb | 160 | |
Bobty | 18:5de680c4cfcb | 161 | // Handle a request |
Bobty | 15:0865fa4b046a | 162 | bool RdWebServer::handleReceivedHttp(TCPSocketConnection &clientSocketConn) |
Bobty | 6:46285c519af2 | 163 | { |
Bobty | 17:080f2bed8b36 | 164 | bool handledOk = false; |
Bobty | 11:cec51b430b20 | 165 | RD_DBG("Received Data: %d\n\r\n\r%.*s\n\r",strlen(_buffer),strlen(_buffer),_buffer); |
Bobty | 7:fe7c33f7fbb8 | 166 | int method = METHOD_OTHER; |
Bobty | 6:46285c519af2 | 167 | if (strncmp(_buffer, "GET ", 4) == 0) |
Bobty | 7:fe7c33f7fbb8 | 168 | method = METHOD_GET; |
Bobty | 7:fe7c33f7fbb8 | 169 | if (strncmp(_buffer, "POST", 4) == 0) |
Bobty | 7:fe7c33f7fbb8 | 170 | method = METHOD_POST; |
Bobty | 7:fe7c33f7fbb8 | 171 | |
Bobty | 7:fe7c33f7fbb8 | 172 | char cmdStr[MAX_CMDSTR_LEN]; |
Bobty | 7:fe7c33f7fbb8 | 173 | char argStr[MAX_ARGSTR_LEN]; |
Bobty | 7:fe7c33f7fbb8 | 174 | if (extractCmdArgs(_buffer+3, cmdStr, MAX_CMDSTR_LEN, argStr, MAX_ARGSTR_LEN)) |
Bobty | 6:46285c519af2 | 175 | { |
Bobty | 11:cec51b430b20 | 176 | RD_DBG("CmdStr %s\n\r", cmdStr); |
Bobty | 11:cec51b430b20 | 177 | RD_DBG("ArgStr %s\n\r", argStr); |
Bobty | 7:fe7c33f7fbb8 | 178 | bool cmdFound = false; |
Bobty | 7:fe7c33f7fbb8 | 179 | for (std::vector<RdWebServerCmdDef*>::iterator it = _commands.begin() ; it != _commands.end(); ++it) |
Bobty | 6:46285c519af2 | 180 | { |
Bobty | 11:cec51b430b20 | 181 | RD_DBG("Testing <<%s>> with <<%s>>\r\n", (*it)->_pCmdStr, cmdStr); |
Bobty | 7:fe7c33f7fbb8 | 182 | if (strcasecmp((*it)->_pCmdStr, cmdStr) == 0) |
Bobty | 7:fe7c33f7fbb8 | 183 | { |
Bobty | 11:cec51b430b20 | 184 | RD_DBG("FoundCmd <%s> Type %d\n\r", cmdStr, (*it)->_cmdType); |
Bobty | 7:fe7c33f7fbb8 | 185 | cmdFound = true; |
Bobty | 7:fe7c33f7fbb8 | 186 | if ((*it)->_cmdType == RdWebServerCmdDef::CMD_CALLBACK) |
Bobty | 7:fe7c33f7fbb8 | 187 | { |
Bobty | 7:fe7c33f7fbb8 | 188 | char* respStr = ((*it)->_callback)(method, cmdStr, argStr); |
Bobty | 17:080f2bed8b36 | 189 | clientSocketConn.send(respStr, strlen(respStr)); |
Bobty | 6:46285c519af2 | 190 | } |
Bobty | 17:080f2bed8b36 | 191 | else if ( ((*it)->_cmdType == RdWebServerCmdDef::CMD_LOCALFILE) || |
Bobty | 17:080f2bed8b36 | 192 | ((*it)->_cmdType == RdWebServerCmdDef::CMD_SDORUSBFILE) ) |
Bobty | 7:fe7c33f7fbb8 | 193 | { |
Bobty | 17:080f2bed8b36 | 194 | char combinedFileName[MAX_FILENAME_LEN]; |
Bobty | 17:080f2bed8b36 | 195 | strcpy(combinedFileName, (*it)->_substFileName); |
Bobty | 17:080f2bed8b36 | 196 | if (strlen(combinedFileName) == 0) |
Bobty | 17:080f2bed8b36 | 197 | strcpy(combinedFileName, cmdStr); |
Bobty | 17:080f2bed8b36 | 198 | else if (combinedFileName[strlen(combinedFileName)-1] == '*') |
Bobty | 17:080f2bed8b36 | 199 | strcpy(combinedFileName+strlen(combinedFileName)-1, argStr); |
Bobty | 17:080f2bed8b36 | 200 | if ((*it)->_cmdType == RdWebServerCmdDef::CMD_LOCALFILE) |
Bobty | 17:080f2bed8b36 | 201 | handledOk = handleLocalFileRequest(combinedFileName, argStr, clientSocketConn, (*it)->_bCacheIfPossible); |
Bobty | 7:fe7c33f7fbb8 | 202 | else |
Bobty | 17:080f2bed8b36 | 203 | handledOk = handleSDFileRequest(combinedFileName, argStr, clientSocketConn); |
Bobty | 17:080f2bed8b36 | 204 | |
Bobty | 7:fe7c33f7fbb8 | 205 | } |
Bobty | 7:fe7c33f7fbb8 | 206 | break; |
Bobty | 6:46285c519af2 | 207 | } |
Bobty | 6:46285c519af2 | 208 | } |
Bobty | 7:fe7c33f7fbb8 | 209 | // If command not found see if it is a local file |
Bobty | 7:fe7c33f7fbb8 | 210 | if (!cmdFound) |
Bobty | 17:080f2bed8b36 | 211 | { |
Bobty | 17:080f2bed8b36 | 212 | char combinedFileName[MAX_FILENAME_LEN]; |
Bobty | 17:080f2bed8b36 | 213 | strcpy(combinedFileName, cmdStr); |
Bobty | 17:080f2bed8b36 | 214 | strcat(combinedFileName, "/"); |
Bobty | 17:080f2bed8b36 | 215 | strcat(combinedFileName, argStr); |
Bobty | 17:080f2bed8b36 | 216 | handledOk = handleSDFileRequest(cmdStr, argStr, clientSocketConn); |
Bobty | 17:080f2bed8b36 | 217 | } |
Bobty | 6:46285c519af2 | 218 | } |
Bobty | 17:080f2bed8b36 | 219 | return handledOk; |
Bobty | 6:46285c519af2 | 220 | } |
Bobty | 6:46285c519af2 | 221 | |
Bobty | 18:5de680c4cfcb | 222 | // Add a command to the server |
Bobty | 6:46285c519af2 | 223 | void RdWebServer::addCommand(char* pCmdStr, int cmdType, CmdCallbackType callback, char* substFileName, bool cacheIfPossible) |
Bobty | 6:46285c519af2 | 224 | { |
Bobty | 6:46285c519af2 | 225 | _commands.push_back(new RdWebServerCmdDef(pCmdStr, cmdType, callback, substFileName, cacheIfPossible)); |
Bobty | 6:46285c519af2 | 226 | } |
Bobty | 6:46285c519af2 | 227 | |
Bobty | 18:5de680c4cfcb | 228 | // Form a header to respond |
Bobty | 17:080f2bed8b36 | 229 | void RdWebServer::formHTTPHeader(const char* rsltCode, const char* contentType, int contentLen) |
Bobty | 17:080f2bed8b36 | 230 | { |
Bobty | 17:080f2bed8b36 | 231 | const char* closeConnStr = "\r\nConnection: Close"; |
Bobty | 17:080f2bed8b36 | 232 | if(contentLen != -1) |
Bobty | 17:080f2bed8b36 | 233 | sprintf(_httpHeader, "HTTP/1.1 %s\r\nContent-Type: %s\r\nContent-Length: %d%s\r\n\r\n", rsltCode, contentType, contentLen, _closeConnAfterSend ? closeConnStr : ""); |
Bobty | 17:080f2bed8b36 | 234 | else |
Bobty | 17:080f2bed8b36 | 235 | sprintf(_httpHeader, "HTTP/1.1 %s\r\nContent-Type: %s%s\r\n\r\n", rsltCode, contentType, _closeConnAfterSend ? closeConnStr : ""); |
Bobty | 17:080f2bed8b36 | 236 | } |
Bobty | 18:5de680c4cfcb | 237 | |
Bobty | 18:5de680c4cfcb | 238 | // Use file extension to determine MIME type |
Bobty | 17:080f2bed8b36 | 239 | char* getMimeTypeStr(char* filename) |
Bobty | 6:46285c519af2 | 240 | { |
Bobty | 17:080f2bed8b36 | 241 | char* mimeType = "text/plain"; |
Bobty | 17:080f2bed8b36 | 242 | char *pDot = strrchr(filename, '.'); |
Bobty | 17:080f2bed8b36 | 243 | if (pDot && (!strcmp(pDot, ".html") || !strcmp(pDot, ".htm"))) |
Bobty | 17:080f2bed8b36 | 244 | mimeType = "text/html"; |
Bobty | 17:080f2bed8b36 | 245 | else if (pDot && !strcmp(pDot, ".css")) |
Bobty | 17:080f2bed8b36 | 246 | mimeType = "text/css"; |
Bobty | 17:080f2bed8b36 | 247 | else if (pDot && !strcmp(pDot, ".js")) |
Bobty | 17:080f2bed8b36 | 248 | mimeType = "application/javascript"; |
Bobty | 17:080f2bed8b36 | 249 | else if (pDot && !strcmp(pDot, ".png")) |
Bobty | 17:080f2bed8b36 | 250 | mimeType = "image/png"; |
Bobty | 17:080f2bed8b36 | 251 | else if (pDot && (!strcmp(pDot, ".jpeg") || !strcmp(pDot, ".jpeg"))) |
Bobty | 17:080f2bed8b36 | 252 | mimeType = "image/jpeg"; |
Bobty | 17:080f2bed8b36 | 253 | return mimeType; |
Bobty | 17:080f2bed8b36 | 254 | } |
Bobty | 18:5de680c4cfcb | 255 | |
Bobty | 18:5de680c4cfcb | 256 | // Handle request for files/listing from SDCard |
Bobty | 17:080f2bed8b36 | 257 | bool RdWebServer::handleSDFileRequest(char* inFileName, char* argStr, TCPSocketConnection &clientSocketConn) |
Bobty | 17:080f2bed8b36 | 258 | { |
Bobty | 17:080f2bed8b36 | 259 | bool handledOk = false; |
Bobty | 6:46285c519af2 | 260 | const int HTTPD_MAX_FNAME_LENGTH = 127; |
Bobty | 6:46285c519af2 | 261 | char filename[HTTPD_MAX_FNAME_LENGTH+1]; |
Bobty | 6:46285c519af2 | 262 | |
Bobty | 11:cec51b430b20 | 263 | RD_INFO("Requesting file %s\n\r", inFileName); |
Bobty | 6:46285c519af2 | 264 | |
Bobty | 12:c14ffd4ec125 | 265 | #ifdef SUPPORT_FOLDER_VIEW |
Bobty | 10:b4b9d4d5e5be | 266 | if ((strlen(inFileName) > 0) && (inFileName[strlen(inFileName)-1] == '/')) |
Bobty | 6:46285c519af2 | 267 | { |
Bobty | 11:cec51b430b20 | 268 | RD_INFO("Request directory %s%s\r\n", _pBaseWebFolder, inFileName); |
Bobty | 6:46285c519af2 | 269 | sprintf(filename, "%s%s", _pBaseWebFolder, inFileName); |
Bobty | 6:46285c519af2 | 270 | DIR *d = opendir(filename); |
Bobty | 11:cec51b430b20 | 271 | if (d != NULL) |
Bobty | 11:cec51b430b20 | 272 | { |
Bobty | 17:080f2bed8b36 | 273 | formHTTPHeader("200 OK", "text/html", -1); |
Bobty | 17:080f2bed8b36 | 274 | clientSocketConn.send(_httpHeader,strlen(_httpHeader)); |
Bobty | 17:080f2bed8b36 | 275 | sprintf(_httpHeader,"<html><head><title>Directory Listing</title></head><body><h1>%s</h1><ul>", inFileName); |
Bobty | 17:080f2bed8b36 | 276 | clientSocketConn.send(_httpHeader,strlen(_httpHeader)); |
Bobty | 6:46285c519af2 | 277 | struct dirent *p; |
Bobty | 11:cec51b430b20 | 278 | while((p = readdir(d)) != NULL) |
Bobty | 11:cec51b430b20 | 279 | { |
Bobty | 11:cec51b430b20 | 280 | RD_INFO("%s\r\n", p->d_name); |
Bobty | 17:080f2bed8b36 | 281 | sprintf(_httpHeader,"<li>%s</li>", p->d_name); |
Bobty | 17:080f2bed8b36 | 282 | clientSocketConn.send(_httpHeader,strlen(_httpHeader)); |
Bobty | 6:46285c519af2 | 283 | } |
Bobty | 6:46285c519af2 | 284 | } |
Bobty | 6:46285c519af2 | 285 | closedir(d); |
Bobty | 11:cec51b430b20 | 286 | RD_DBG("Directory closed\n"); |
Bobty | 17:080f2bed8b36 | 287 | sprintf(_httpHeader,"</ul></body></html>"); |
Bobty | 17:080f2bed8b36 | 288 | clientSocketConn.send(_httpHeader,strlen(_httpHeader)); |
Bobty | 17:080f2bed8b36 | 289 | handledOk = true; |
Bobty | 6:46285c519af2 | 290 | } |
Bobty | 6:46285c519af2 | 291 | else |
Bobty | 12:c14ffd4ec125 | 292 | #endif |
Bobty | 6:46285c519af2 | 293 | { |
Bobty | 6:46285c519af2 | 294 | sprintf(filename, "%s%s", _pBaseWebFolder, inFileName); |
Bobty | 11:cec51b430b20 | 295 | RD_INFO("Filename %s\r\n", filename); |
Bobty | 6:46285c519af2 | 296 | |
Bobty | 6:46285c519af2 | 297 | FILE* fp = fopen(filename, "r"); |
Bobty | 6:46285c519af2 | 298 | if (fp == NULL) |
Bobty | 6:46285c519af2 | 299 | { |
Bobty | 11:cec51b430b20 | 300 | RD_WARN("Filename %s not found\r\n", filename); |
Bobty | 17:080f2bed8b36 | 301 | formHTTPHeader("404 Not Found", "text/plain", 0); |
Bobty | 17:080f2bed8b36 | 302 | clientSocketConn.send(_httpHeader,strlen(_httpHeader)); |
Bobty | 17:080f2bed8b36 | 303 | handledOk = true; |
Bobty | 6:46285c519af2 | 304 | } |
Bobty | 6:46285c519af2 | 305 | else |
Bobty | 6:46285c519af2 | 306 | { |
Bobty | 11:cec51b430b20 | 307 | RD_INFO("Sending file %s\r\n", filename); |
Bobty | 17:080f2bed8b36 | 308 | // Find file length |
Bobty | 14:4b83670854f0 | 309 | fseek(fp, 0L, SEEK_END); |
Bobty | 14:4b83670854f0 | 310 | int sz = ftell(fp); |
Bobty | 14:4b83670854f0 | 311 | fseek(fp, 0L, SEEK_SET); |
Bobty | 17:080f2bed8b36 | 312 | // Get mime type |
Bobty | 17:080f2bed8b36 | 313 | char* mimeType = getMimeTypeStr(filename); |
Bobty | 18:5de680c4cfcb | 314 | RD_DBG("MIME TYPE %s", mimeType); |
Bobty | 17:080f2bed8b36 | 315 | // Form header |
Bobty | 17:080f2bed8b36 | 316 | formHTTPHeader("200 OK", mimeType, sz); |
Bobty | 17:080f2bed8b36 | 317 | clientSocketConn.send(_httpHeader,strlen(_httpHeader)); |
Bobty | 14:4b83670854f0 | 318 | // Read file in blocks and send |
Bobty | 6:46285c519af2 | 319 | int rdCnt = 0; |
Bobty | 6:46285c519af2 | 320 | char fileBuf[1024]; |
Bobty | 6:46285c519af2 | 321 | while ((rdCnt = fread(fileBuf, sizeof( char ), 1024, fp)) == 1024) |
Bobty | 6:46285c519af2 | 322 | { |
Bobty | 17:080f2bed8b36 | 323 | clientSocketConn.send(fileBuf, rdCnt); |
Bobty | 6:46285c519af2 | 324 | } |
Bobty | 17:080f2bed8b36 | 325 | clientSocketConn.send(fileBuf, rdCnt); |
Bobty | 6:46285c519af2 | 326 | fclose(fp); |
Bobty | 17:080f2bed8b36 | 327 | handledOk = true; |
Bobty | 6:46285c519af2 | 328 | } |
Bobty | 6:46285c519af2 | 329 | } |
Bobty | 17:080f2bed8b36 | 330 | return handledOk; |
Bobty | 6:46285c519af2 | 331 | } |
Bobty | 6:46285c519af2 | 332 | |
Bobty | 18:5de680c4cfcb | 333 | // Send a file from cache - used for local files only |
Bobty | 15:0865fa4b046a | 334 | #ifdef SUPPORT_LOCAL_FILE_CACHE |
Bobty | 17:080f2bed8b36 | 335 | void RdWebServer::sendFromCache(RdFileCacheEntry* pCacheEntry, TCPSocketConnection &clientSocketConn) |
Bobty | 6:46285c519af2 | 336 | { |
Bobty | 11:cec51b430b20 | 337 | RD_INFO("Sending file %s from cache %d bytes\r\n", pCacheEntry->_fileName, pCacheEntry->_nFileLen); |
Bobty | 17:080f2bed8b36 | 338 | // Get mime type |
Bobty | 17:080f2bed8b36 | 339 | char* mimeType = getMimeTypeStr(pCacheEntry->_fileName); |
Bobty | 17:080f2bed8b36 | 340 | RD_INFO("MIME TYPE %s", mimeType); |
Bobty | 17:080f2bed8b36 | 341 | // Form header |
Bobty | 17:080f2bed8b36 | 342 | formHTTPHeader("200 OK", mimeType, pCacheEntry->_nFileLen); |
Bobty | 17:080f2bed8b36 | 343 | clientSocketConn.send(_httpHeader,strlen(_httpHeader)); |
Bobty | 6:46285c519af2 | 344 | char* pMem = pCacheEntry->_pFileContent; |
Bobty | 6:46285c519af2 | 345 | int nLenLeft = pCacheEntry->_nFileLen; |
Bobty | 6:46285c519af2 | 346 | int blkSize = 2048; |
Bobty | 6:46285c519af2 | 347 | while(nLenLeft > 0) |
Bobty | 6:46285c519af2 | 348 | { |
Bobty | 6:46285c519af2 | 349 | if (blkSize > nLenLeft) |
Bobty | 6:46285c519af2 | 350 | blkSize = nLenLeft; |
Bobty | 17:080f2bed8b36 | 351 | clientSocketConn.send(pMem, blkSize); |
Bobty | 6:46285c519af2 | 352 | pMem += blkSize; |
Bobty | 6:46285c519af2 | 353 | nLenLeft -= blkSize; |
Bobty | 6:46285c519af2 | 354 | } |
Bobty | 6:46285c519af2 | 355 | } |
Bobty | 15:0865fa4b046a | 356 | #endif |
Bobty | 6:46285c519af2 | 357 | |
Bobty | 18:5de680c4cfcb | 358 | // Handle a request for a local file |
Bobty | 17:080f2bed8b36 | 359 | bool RdWebServer::handleLocalFileRequest(char* inFileName, char* argStr, TCPSocketConnection &clientSocketConn, bool bCacheIfPossible) |
Bobty | 6:46285c519af2 | 360 | { |
Bobty | 12:c14ffd4ec125 | 361 | |
Bobty | 12:c14ffd4ec125 | 362 | #ifdef SUPPORT_LOCAL_FILESYSTEM |
Bobty | 12:c14ffd4ec125 | 363 | |
Bobty | 6:46285c519af2 | 364 | const int HTTPD_MAX_FNAME_LENGTH = 127; |
Bobty | 6:46285c519af2 | 365 | char localFilename[HTTPD_MAX_FNAME_LENGTH+1]; |
Bobty | 6:46285c519af2 | 366 | char reqFileNameStr[HTTPD_MAX_FNAME_LENGTH+1]; |
Bobty | 6:46285c519af2 | 367 | |
Bobty | 11:cec51b430b20 | 368 | RD_INFO("Requesting local file %s\n\r", inFileName); |
Bobty | 6:46285c519af2 | 369 | sprintf(reqFileNameStr, "/%s", inFileName); |
Bobty | 6:46285c519af2 | 370 | sprintf(localFilename, "/local/%s", inFileName); |
Bobty | 6:46285c519af2 | 371 | |
Bobty | 6:46285c519af2 | 372 | if (bCacheIfPossible) |
Bobty | 6:46285c519af2 | 373 | { |
Bobty | 6:46285c519af2 | 374 | // Check if file already cached |
Bobty | 6:46285c519af2 | 375 | bool bTryToCache = true; |
Bobty | 6:46285c519af2 | 376 | for (std::vector<RdFileCacheEntry*>::iterator it = _cachedFiles.begin() ; it != _cachedFiles.end(); ++it) |
Bobty | 6:46285c519af2 | 377 | { |
Bobty | 6:46285c519af2 | 378 | if (strcmp(inFileName, (*it)->_fileName) == 0) |
Bobty | 6:46285c519af2 | 379 | { |
Bobty | 6:46285c519af2 | 380 | if ((*it)->_bCacheValid) |
Bobty | 6:46285c519af2 | 381 | { |
Bobty | 15:0865fa4b046a | 382 | sendFromCache(*it, clientSocketConn, httpHeader); |
Bobty | 17:080f2bed8b36 | 383 | return true; |
Bobty | 6:46285c519af2 | 384 | } |
Bobty | 6:46285c519af2 | 385 | bTryToCache = false; // don't try to cache as cacheing must have already failed |
Bobty | 6:46285c519af2 | 386 | } |
Bobty | 6:46285c519af2 | 387 | } |
Bobty | 6:46285c519af2 | 388 | |
Bobty | 6:46285c519af2 | 389 | // See if we can cache the file |
Bobty | 6:46285c519af2 | 390 | if (bTryToCache) |
Bobty | 6:46285c519af2 | 391 | { |
Bobty | 6:46285c519af2 | 392 | RdFileCacheEntry* pCacheEntry = new RdFileCacheEntry(inFileName); |
Bobty | 6:46285c519af2 | 393 | if (pCacheEntry) |
Bobty | 6:46285c519af2 | 394 | { |
Bobty | 6:46285c519af2 | 395 | bool bCacheSuccess = pCacheEntry->readLocalFileIntoCache(localFilename); |
Bobty | 6:46285c519af2 | 396 | // Store the cache entry even if reading failed (mem alloc or file not found, etc) so we don't try to cache again |
Bobty | 6:46285c519af2 | 397 | _cachedFiles.push_back(pCacheEntry); |
Bobty | 6:46285c519af2 | 398 | if (bCacheSuccess) |
Bobty | 6:46285c519af2 | 399 | { |
Bobty | 15:0865fa4b046a | 400 | sendFromCache(pCacheEntry, clientSocketConn, httpHeader); |
Bobty | 17:080f2bed8b36 | 401 | return true; |
Bobty | 6:46285c519af2 | 402 | } |
Bobty | 6:46285c519af2 | 403 | } |
Bobty | 6:46285c519af2 | 404 | } |
Bobty | 6:46285c519af2 | 405 | } |
Bobty | 6:46285c519af2 | 406 | |
Bobty | 6:46285c519af2 | 407 | LocalFileSystem local("local"); |
Bobty | 6:46285c519af2 | 408 | |
Bobty | 6:46285c519af2 | 409 | FILE* fp = fopen(localFilename, "r"); |
Bobty | 6:46285c519af2 | 410 | if (fp == NULL) |
Bobty | 6:46285c519af2 | 411 | { |
Bobty | 11:cec51b430b20 | 412 | RD_WARN("Local file %s not found\r\n", localFilename); |
Bobty | 17:080f2bed8b36 | 413 | formHTTPHeader("404 Not Found", "text/plain", 0); |
Bobty | 17:080f2bed8b36 | 414 | clientSocketConn.send(_httpHeader,strlen(_httpHeader)); |
Bobty | 17:080f2bed8b36 | 415 | return true; |
Bobty | 6:46285c519af2 | 416 | } |
Bobty | 6:46285c519af2 | 417 | else |
Bobty | 6:46285c519af2 | 418 | { |
Bobty | 11:cec51b430b20 | 419 | RD_INFO("Sending file %s from disk\r\n", localFilename); |
Bobty | 17:080f2bed8b36 | 420 | // Find file length |
Bobty | 17:080f2bed8b36 | 421 | fseek(fp, 0L, SEEK_END); |
Bobty | 17:080f2bed8b36 | 422 | int sz = ftell(fp); |
Bobty | 17:080f2bed8b36 | 423 | fseek(fp, 0L, SEEK_SET); |
Bobty | 17:080f2bed8b36 | 424 | // Get mime type |
Bobty | 17:080f2bed8b36 | 425 | char* mimeType = getMimeTypeStr(localFilename); |
Bobty | 18:5de680c4cfcb | 426 | RD_DBG("MIME TYPE %s", mimeType); |
Bobty | 17:080f2bed8b36 | 427 | // Form header |
Bobty | 17:080f2bed8b36 | 428 | formHTTPHeader("200 OK", mimeType, sz); |
Bobty | 17:080f2bed8b36 | 429 | clientSocketConn.send(_httpHeader,strlen(_httpHeader)); |
Bobty | 6:46285c519af2 | 430 | int rdCnt = 0; |
Bobty | 17:080f2bed8b36 | 431 | while ((rdCnt = fread(_httpHeader, sizeof( char ), sizeof(_httpHeader), fp)) == sizeof(_httpHeader)) |
Bobty | 6:46285c519af2 | 432 | { |
Bobty | 17:080f2bed8b36 | 433 | clientSocketConn.send(_httpHeader, rdCnt); |
Bobty | 6:46285c519af2 | 434 | } |
Bobty | 17:080f2bed8b36 | 435 | if (rdCnt != 0) |
Bobty | 17:080f2bed8b36 | 436 | clientSocketConn.send(_httpHeader, rdCnt); |
Bobty | 6:46285c519af2 | 437 | fclose(fp); |
Bobty | 17:080f2bed8b36 | 438 | return true; |
Bobty | 6:46285c519af2 | 439 | } |
Bobty | 12:c14ffd4ec125 | 440 | |
Bobty | 12:c14ffd4ec125 | 441 | #else |
Bobty | 12:c14ffd4ec125 | 442 | |
Bobty | 12:c14ffd4ec125 | 443 | RD_WARN("Local file system not supported\r\n"); |
Bobty | 17:080f2bed8b36 | 444 | formHTTPHeader("404 Not Found", "text/plain", 0); |
Bobty | 17:080f2bed8b36 | 445 | clientSocketConn.send(_httpHeader,strlen(_httpHeader)); |
Bobty | 17:080f2bed8b36 | 446 | return true; |
Bobty | 12:c14ffd4ec125 | 447 | |
Bobty | 12:c14ffd4ec125 | 448 | #endif |
Bobty | 6:46285c519af2 | 449 | } |
Bobty | 6:46285c519af2 | 450 | |
Bobty | 18:5de680c4cfcb | 451 | // Read file into cache |
Bobty | 15:0865fa4b046a | 452 | #ifdef SUPPORT_LOCAL_FILE_CACHE |
Bobty | 6:46285c519af2 | 453 | bool RdFileCacheEntry::readLocalFileIntoCache(char* fileName) |
Bobty | 6:46285c519af2 | 454 | { |
Bobty | 12:c14ffd4ec125 | 455 | #ifdef SUPPORT_LOCAL_FILESYSTEM |
Bobty | 12:c14ffd4ec125 | 456 | |
Bobty | 11:cec51b430b20 | 457 | RD_INFO("Reading into cache %s\n\r", fileName); |
Bobty | 6:46285c519af2 | 458 | LocalFileSystem local("local"); |
Bobty | 6:46285c519af2 | 459 | FILE* fp = fopen(fileName, "r"); |
Bobty | 6:46285c519af2 | 460 | if (fp == NULL) |
Bobty | 6:46285c519af2 | 461 | { |
Bobty | 11:cec51b430b20 | 462 | RD_WARN("Failed to open file\n\r"); |
Bobty | 6:46285c519af2 | 463 | return false; |
Bobty | 6:46285c519af2 | 464 | } |
Bobty | 11:cec51b430b20 | 465 | RD_DBG("Seeking\n\r"); |
Bobty | 6:46285c519af2 | 466 | fseek(fp, 0, SEEK_END); |
Bobty | 6:46285c519af2 | 467 | _nFileLen = (int)ftell(fp); |
Bobty | 6:46285c519af2 | 468 | _pFileContent = new char[_nFileLen]; |
Bobty | 11:cec51b430b20 | 469 | RD_DBG("Len %d Buf %08x\n\r", _nFileLen, _pFileContent); |
Bobty | 6:46285c519af2 | 470 | if (!_pFileContent) |
Bobty | 6:46285c519af2 | 471 | { |
Bobty | 11:cec51b430b20 | 472 | RD_WARN("Failed to allocate %lu\n\r", _nFileLen); |
Bobty | 6:46285c519af2 | 473 | fclose(fp); |
Bobty | 6:46285c519af2 | 474 | return false; |
Bobty | 6:46285c519af2 | 475 | } |
Bobty | 11:cec51b430b20 | 476 | RD_DBG("Allocated\n\r"); |
Bobty | 6:46285c519af2 | 477 | memset(_pFileContent, 0, _nFileLen); |
Bobty | 6:46285c519af2 | 478 | fseek(fp, 0, SEEK_SET); |
Bobty | 6:46285c519af2 | 479 | char* pMem = _pFileContent; |
Bobty | 6:46285c519af2 | 480 | char fileBuf[100]; |
Bobty | 6:46285c519af2 | 481 | int totCnt = 0; |
Bobty | 6:46285c519af2 | 482 | int rdCnt = 0; |
Bobty | 11:cec51b430b20 | 483 | RD_DBG("Reading\n\r"); |
Bobty | 6:46285c519af2 | 484 | while (true) |
Bobty | 6:46285c519af2 | 485 | { |
Bobty | 6:46285c519af2 | 486 | int toRead = _nFileLen - totCnt; |
Bobty | 6:46285c519af2 | 487 | if (toRead > sizeof(fileBuf)) |
Bobty | 6:46285c519af2 | 488 | toRead = sizeof(fileBuf); |
Bobty | 6:46285c519af2 | 489 | if (toRead <= 0) |
Bobty | 6:46285c519af2 | 490 | break; |
Bobty | 6:46285c519af2 | 491 | rdCnt = fread(fileBuf, sizeof(char), toRead, fp); |
Bobty | 6:46285c519af2 | 492 | if (rdCnt <= 0) |
Bobty | 6:46285c519af2 | 493 | break; |
Bobty | 11:cec51b430b20 | 494 | RD_DBG("Read %d tot %d of %d\n\r", rdCnt, totCnt, _nFileLen); |
Bobty | 6:46285c519af2 | 495 | memcpy(pMem, fileBuf, rdCnt); |
Bobty | 6:46285c519af2 | 496 | pMem += rdCnt; |
Bobty | 6:46285c519af2 | 497 | totCnt += rdCnt; |
Bobty | 6:46285c519af2 | 498 | } |
Bobty | 11:cec51b430b20 | 499 | RD_DBG("Done read\n\r"); |
Bobty | 6:46285c519af2 | 500 | fclose(fp); |
Bobty | 11:cec51b430b20 | 501 | RD_DBG("Success in caching %d bytes (read %d)\n\r", _nFileLen, totCnt); |
Bobty | 6:46285c519af2 | 502 | _bCacheValid = true; |
Bobty | 0:b5b4d07f7827 | 503 | return true; |
Bobty | 12:c14ffd4ec125 | 504 | #else |
Bobty | 12:c14ffd4ec125 | 505 | return false; |
Bobty | 12:c14ffd4ec125 | 506 | #endif |
Bobty | 0:b5b4d07f7827 | 507 | } |
Bobty | 0:b5b4d07f7827 | 508 | |
Bobty | 15:0865fa4b046a | 509 | #endif |
Bobty | 15:0865fa4b046a | 510 | |
Bobty | 18:5de680c4cfcb | 511 | // Extract arguments from command |
Bobty | 1:75bb184de749 | 512 | bool RdWebServer::extractCmdArgs(char* buf, char* pCmdStr, int maxCmdStrLen, char* pArgStr, int maxArgStrLen) |
Bobty | 1:75bb184de749 | 513 | { |
Bobty | 1:75bb184de749 | 514 | *pCmdStr = '\0'; |
Bobty | 1:75bb184de749 | 515 | *pArgStr = '\0'; |
Bobty | 1:75bb184de749 | 516 | int cmdStrLen = 0; |
Bobty | 1:75bb184de749 | 517 | int argStrLen = 0; |
Bobty | 1:75bb184de749 | 518 | if (buf == NULL) |
Bobty | 1:75bb184de749 | 519 | return false; |
Bobty | 7:fe7c33f7fbb8 | 520 | // Check for first slash |
Bobty | 1:75bb184de749 | 521 | char* pSlash1 = strchr(buf, '/'); |
Bobty | 1:75bb184de749 | 522 | if (pSlash1 == NULL) |
Bobty | 1:75bb184de749 | 523 | return false; |
Bobty | 1:75bb184de749 | 524 | pSlash1++; |
Bobty | 7:fe7c33f7fbb8 | 525 | // Extract command |
Bobty | 1:75bb184de749 | 526 | while(*pSlash1) |
Bobty | 1:75bb184de749 | 527 | { |
Bobty | 1:75bb184de749 | 528 | if (cmdStrLen >= maxCmdStrLen-1) |
Bobty | 1:75bb184de749 | 529 | break; |
Bobty | 7:fe7c33f7fbb8 | 530 | if ((*pSlash1 == '/') || (*pSlash1 == ' ') || (*pSlash1 == '\n') || (*pSlash1 == '?') || (*pSlash1 == '&')) |
Bobty | 1:75bb184de749 | 531 | break; |
Bobty | 1:75bb184de749 | 532 | *pCmdStr++ = *pSlash1++; |
Bobty | 1:75bb184de749 | 533 | *pCmdStr = '\0'; |
Bobty | 1:75bb184de749 | 534 | cmdStrLen++; |
Bobty | 1:75bb184de749 | 535 | } |
Bobty | 1:75bb184de749 | 536 | if ((*pSlash1 == '\0') || (*pSlash1 == ' ') || (*pSlash1 == '\n')) |
Bobty | 1:75bb184de749 | 537 | return true; |
Bobty | 7:fe7c33f7fbb8 | 538 | // Now args |
Bobty | 1:75bb184de749 | 539 | *pSlash1++; |
Bobty | 1:75bb184de749 | 540 | while(*pSlash1) |
Bobty | 1:75bb184de749 | 541 | { |
Bobty | 1:75bb184de749 | 542 | if (argStrLen >= maxArgStrLen-1) |
Bobty | 1:75bb184de749 | 543 | break; |
Bobty | 1:75bb184de749 | 544 | if ((*pSlash1 == ' ') || (*pSlash1 == '\n')) |
Bobty | 1:75bb184de749 | 545 | break; |
Bobty | 1:75bb184de749 | 546 | *pArgStr++ = *pSlash1++; |
Bobty | 1:75bb184de749 | 547 | *pArgStr = '\0'; |
Bobty | 1:75bb184de749 | 548 | argStrLen++; |
Bobty | 1:75bb184de749 | 549 | } |
Bobty | 1:75bb184de749 | 550 | return true; |
Bobty | 1:75bb184de749 | 551 | } |