RequestHandler.cpp

00001 #include "mbed.h"
00002 #include "RequestHandler.h"
00003 #include "RPCObject.h"
00004 #include "HTTPServer.h"
00005 
00006 
00007 int GetRequestHandler::handle(RPCObject& cmd, char* reply)
00008 {
00009     int value;
00010     std::map<PinName, RPCClass*>::iterator itor;
00011     
00012     printf("handling GET request.\r\n");
00013     itor = cmd.pinObjects.find(cmd.get_pin_name());
00014     if(itor == cmd.pinObjects.end()){
00015         printf("The pin is not created.\r\n");
00016         return HTTP_404_NOTFOUND;
00017     }
00018     value = itor->second->read();
00019     
00020     reply[0] = '0' + value;
00021     reply[1] = '\0';
00022     
00023     return HTTP_200_OK;
00024 }
00025 
00026 
00027 int  PostRequestHandler::handle(RPCObject& cmd, char* reply)
00028 {
00029     int value = cmd.get_value();
00030     std::map<PinName, RPCClass*>::iterator itor;
00031     
00032     printf("handling POST request.\r\n");
00033     switch(value){
00034     case 0:
00035     case 1:
00036          //update
00037         printf("now updating the object to %d.\r\n", value);
00038         itor = cmd.pinObjects.find(cmd.get_pin_name());
00039         if(itor == cmd.pinObjects.end()){
00040             printf("The pin is not created.\r\n");
00041             return HTTP_404_NOTFOUND;
00042         }
00043         itor->second->write(value);
00044         break;
00045     case -1:
00046         //create
00047         printf("now createing the object.\r\n");
00048         if(!cmd.create_pin_object(reply)){
00049             return -1;
00050         }
00051         break;
00052     case -2:
00053         // delete
00054         itor = cmd.pinObjects.find(cmd.get_pin_name());
00055         if(itor == cmd.pinObjects.end()){
00056             printf("The pin is not created.\r\n");
00057             return HTTP_404_NOTFOUND;
00058         }
00059         delete itor->second;
00060         cmd.pinObjects.erase(cmd.pinObjects.find(cmd.get_pin_name()));
00061         break;
00062     default:
00063         return -1;
00064     }
00065     
00066     return HTTP_200_OK;
00067 }
00068 
00069 
00070 int DeleteRequestHandler::handle(RPCObject& cmd, char* reply)
00071 {   
00072     std::map<PinName, RPCClass*>::iterator itor;
00073     
00074     printf("handling DELETE request.\r\n");
00075     itor = cmd.pinObjects.find(cmd.get_pin_name());
00076     if(itor == cmd.pinObjects.end()){
00077         printf("The pin is not created.\r\n");
00078         return HTTP_404_NOTFOUND;
00079     }
00080     delete itor->second;
00081     cmd.pinObjects.erase(cmd.pinObjects.find(cmd.get_pin_name()));
00082     
00083     return HTTP_200_OK;
00084 }
00085 
00086