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.
Diff: RdWebServer.cpp
- Revision:
- 13:4f9c09d3da13
- Parent:
- 12:c14ffd4ec125
- Child:
- 14:4b83670854f0
diff -r c14ffd4ec125 -r 4f9c09d3da13 RdWebServer.cpp --- a/RdWebServer.cpp Sun May 03 20:41:35 2015 +0000 +++ b/RdWebServer.cpp Mon May 04 17:26:32 2015 +0000 @@ -10,6 +10,7 @@ #define MAX_CMDSTR_LEN 100 #define MAX_ARGSTR_LEN 100 +#define MAX_FILENAME_LEN (MAX_ARGSTR_LEN + 20) RdWebServer::RdWebServer() { @@ -26,8 +27,6 @@ bool RdWebServer::init(int port, DigitalOut* pStatusLed, char* pBaseWebFolder) { - printf("Here\r\n"); - RD_INFO("Here\r\n"); _port = port; _pStatusLed = pStatusLed; _pBaseWebFolder = pBaseWebFolder; @@ -90,16 +89,32 @@ else if ((*it)->_cmdType == RdWebServerCmdDef::CMD_LOCALFILE) { if ((*it)->_substFileName[0] != '\0') - handleLocalFileRequest((*it)->_substFileName, argStr, client, _httpHeader, (*it)->_bCacheIfPossible); + { + char combinedFileName[MAX_FILENAME_LEN]; + strcpy(combinedFileName, (*it)->_substFileName); + if (combinedFileName[strlen(combinedFileName)-1] == '*') + strcpy(combinedFileName+strlen(combinedFileName)-1, argStr); + handleLocalFileRequest(combinedFileName, argStr, client, _httpHeader, (*it)->_bCacheIfPossible); + } else + { handleLocalFileRequest(cmdStr, argStr, client, _httpHeader, (*it)->_bCacheIfPossible); + } } else if ((*it)->_cmdType == RdWebServerCmdDef::CMD_SDORUSBFILE) { if ((*it)->_substFileName[0] != '\0') - handleSDFileRequest((*it)->_substFileName, argStr, client, _httpHeader); + { + char combinedFileName[MAX_FILENAME_LEN]; + strcpy(combinedFileName, (*it)->_substFileName); + if (combinedFileName[strlen(combinedFileName)-1] == '*') + strcpy(combinedFileName+strlen(combinedFileName)-1, argStr); + handleSDFileRequest(combinedFileName, argStr, client, _httpHeader); + } else + { handleSDFileRequest(cmdStr, argStr, client, _httpHeader); + } } break; } @@ -143,6 +158,7 @@ int rxLen = client.receive(_buffer, HTTPD_MAX_REQ_LENGTH); if (rxLen == -1) { + RD_WARN("Nothing received\n\r"); continue; } else if (rxLen == 0)