Sensor with Web Server
Dependencies: EthernetInterface mbed-rpc mbed-rtos mbed
HTTPServer.cpp
- Committer:
- afilipem
- Date:
- 2014-04-08
- Revision:
- 0:c385e589a779
File content as of revision 0:c385e589a779:
#include "HTTPServer.h" #define INVALID_FORMATTER "No valid formatter specified" bool cmp(char* a, char* b) { return strcmp(a,b) < 0; } HTTPServer::HTTPServer(Formatter *f): socket(), handlers(&cmp), formatter(f), reply(), command() { } HTTPServer::~HTTPServer() { for(std::map<char*, RequestHandler*>::iterator itor = handlers.begin(); itor != handlers.end(); ++itor) delete itor->second; if(formatter) delete formatter; } bool HTTPServer::init(int port) { socket.set_blocking(true); if(socket.bind(port)) { printf("Could not bind on port %d.\n", port); return false; } if(socket.listen()) { printf("Could not listen %d\n", port); return false; } return true; } void HTTPServer::run() { TCPSocketConnection c; while(true) { while(socket.accept(c)); c.set_blocking(false, 1000); while(c.is_connected()) { char buffer[512]; int n = c.receive_all(buffer, sizeof(buffer)-1); if(n == 0) { c.close(); break; } else if(n != -1) { printf("Received data\n"); buffer[n] = '\0'; handle_request(buffer); if(formatter != NULL) { printf("Sending data..."); char *page = formatter->get_page(reply); do { c.send(page, strlen(page)+1); page = formatter->get_page(reply); }while(strlen(page)>0); printf("done\n"); } else c.send(INVALID_FORMATTER, strlen(INVALID_FORMATTER)+1); } else printf("Error while receiving data\n"); break;//***new } break;//***new } } void HTTPServer::handle_request(char *buffer) { char *request_type = strtok(buffer, " "); char *request = strtok(NULL, " "); reply[0] = '\0'; if(!strcmp(request, "/")) return; if(!command.decode(request)) { strcat(reply, "Malformed request"); return; } std::map<char*, RequestHandler*>::iterator itor = handlers.find(request_type); if(itor == handlers.end()) { strcat(reply, "No request handler found for this type of request."); return; } if(itor->second != NULL) itor->second->handle(command, reply); else strcat(reply, "Invalid request handler"); } void HTTPServer::add_request_handler(char *name, RequestHandler* handler) { handlers[name] = handler; }