/** @file @author Stefan Frings */ #ifndef HTTPCONNECTIONHANDLER_H #define HTTPCONNECTIONHANDLER_H #ifndef QT_NO_OPENSSL #include #endif #include #include #include #include #include "httpglobal.h" #include "httprequest.h" #include "httprequesthandler.h" #include "httplistenersettings.h" #include "export.h" namespace qtwebapp { /** Alias type definition, for compatibility to different Qt versions */ #if QT_VERSION >= 0x050000 typedef qintptr tSocketDescriptor; #else typedef int tSocketDescriptor; #endif /** Alias for QSslConfiguration if OpenSSL is not supported */ #ifdef QT_NO_OPENSSL #define QSslConfiguration QObject #endif /** The connection handler accepts incoming connections and dispatches incoming requests to to a request mapper. Since HTTP clients can send multiple requests before waiting for the response, the incoming requests are queued and processed one after the other.

Example for the required configuration settings:

  readTimeout=60000
  maxRequestSize=16000
  maxMultiPartSize=1000000
  

The readTimeout value defines the maximum time to wait for a complete HTTP request. @see HttpRequest for description of config settings maxRequestSize and maxMultiPartSize. */ class HTTPSERVER_API HttpConnectionHandler : public QThread { Q_OBJECT Q_DISABLE_COPY(HttpConnectionHandler) public: /** Constructor. @param settings Configuration settings of the HTTP webserver as Qt settings @param requestHandler Handler that will process each incoming HTTP request @param sslConfiguration SSL (HTTPS) will be used if not NULL */ HttpConnectionHandler(QSettings* settings, HttpRequestHandler* requestHandler, QSslConfiguration* sslConfiguration=NULL); /** Constructor. @param settings Configuration settings of the HTTP webserver as a structure @param requestHandler Handler that will process each incoming HTTP request @param sslConfiguration SSL (HTTPS) will be used if not NULL */ HttpConnectionHandler(const HttpListenerSettings* settings, HttpRequestHandler* requestHandler, QSslConfiguration* sslConfiguration=NULL); /** Destructor */ virtual ~HttpConnectionHandler(); /** Returns true, if this handler is in use. */ bool isBusy(); /** Mark this handler as busy */ void setBusy(); /** * Get a listener settings constant reference. Can be changed on the HttpListener only. * @return The current listener settings */ const HttpListenerSettings *getListenerSettings() const { return listenerSettings; } private: /** Configuration settings */ QSettings* settings; /** Configuration settings */ const HttpListenerSettings* listenerSettings; /** TCP socket of the current connection */ QTcpSocket* socket; /** Time for read timeout detection */ QTimer readTimer; /** Storage for the current incoming HTTP request */ HttpRequest* currentRequest; /** Dispatches received requests to services */ HttpRequestHandler* requestHandler; /** This shows the busy-state from a very early time */ bool busy; /** Configuration for SSL */ QSslConfiguration* sslConfiguration; /** Executes the threads own event loop */ void run(); /** Create SSL or TCP socket */ void createSocket(); /** Settings flag */ bool useQtSettings; public slots: /** Received from from the listener, when the handler shall start processing a new connection. @param socketDescriptor references the accepted connection. */ void handleConnection(tSocketDescriptor socketDescriptor); private slots: /** Received from the socket when a read-timeout occurred */ void readTimeout(); /** Received from the socket when incoming data can be read */ void read(); /** Received from the socket when a connection has been closed */ void disconnected(); }; } // end of namespace #endif // HTTPCONNECTIONHANDLER_H