scheduler canceling, sessiion query, didn't test yet!

handler/CMakeLists.txt

@@ -7,6 +7,7 @@ set(HEADERS
     env.h
     register.h
     login.h
+    poll.h
 )
 
 set(SOURCES
@@ -15,6 +16,7 @@ set(SOURCES
     env.cpp
     register.cpp
     login.cpp
+    poll.cpp
 )
 
 target_sources(${PROJECT_NAME} PRIVATE ${SOURCES})

handler/poll.cpp

@@ -6,6 +6,7 @@
 #include "response/response.h"
 #include "server/server.h"
 #include "request/redirect.h"
+#include "database/exceptions.h"
 
 Handler::Poll::Poll (Server* server):
     Handler("login", Request::Method::get),
@@ -25,6 +26,8 @@ void Handler::Poll::handle (Request& request) {
         throw Redirect(&session);
     } catch (const Redirect& r) {
         throw r;
+    } catch (const DB::NoSession& e) {
+        return error(request, Result::tokenProblem, Response::Status::unauthorized);
     } catch (const std::exception& e) {
         std::cerr << "Exception on poll:\n\t" << e.what() << std::endl;
         return error(request, Result::unknownError, Response::Status::internalError);