kopia lustrzana https://github.com/f4exb/sdrangel
134 wiersze
4.0 KiB
C++
134 wiersze
4.0 KiB
C++
/**
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@file
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@author Stefan Frings
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*/
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#ifndef HTTPLISTENER_H
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#define HTTPLISTENER_H
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#include <QTcpServer>
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#include <QSettings>
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#include <QBasicTimer>
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#include "httpglobal.h"
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#include "httpconnectionhandler.h"
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#include "httpconnectionhandlerpool.h"
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#include "httprequesthandler.h"
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#include "httplistenersettings.h"
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#include "export.h"
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namespace qtwebapp {
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/**
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Listens for incoming TCP connections and and passes all incoming HTTP requests to your implementation of HttpRequestHandler,
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which processes the request and generates the response (usually a HTML document).
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<p>
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Example for the required settings in the config file:
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<code><pre>
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;host=192.168.0.100
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port=8080
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minThreads=1
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maxThreads=10
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cleanupInterval=1000
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readTimeout=60000
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;sslKeyFile=ssl/my.key
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;sslCertFile=ssl/my.cert
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maxRequestSize=16000
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maxMultiPartSize=1000000
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</pre></code>
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The optional host parameter binds the listener to one network interface.
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The listener handles all network interfaces if no host is configured.
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The port number specifies the incoming TCP port that this listener listens to.
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@see HttpConnectionHandlerPool for description of config settings minThreads, maxThreads, cleanupInterval and ssl settings
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@see HttpConnectionHandler for description of the readTimeout
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@see HttpRequest for description of config settings maxRequestSize and maxMultiPartSize
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*/
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class HTTPSERVER_API HttpListener : public QTcpServer {
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Q_OBJECT
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Q_DISABLE_COPY(HttpListener)
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public:
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/**
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Constructor.
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Creates a connection pool and starts listening on the configured host and port.
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@param settings Configuration settings for the HTTP server. Must not be 0.
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@param requestHandler Processes each received HTTP request, usually by dispatching to controller classes.
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@param parent Parent object.
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@warning Ensure to close or delete the listener before deleting the request handler.
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*/
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HttpListener(QSettings* settings, HttpRequestHandler* requestHandler, QObject* parent = NULL);
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/**
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Constructor.
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Creates a connection pool and starts listening on the configured host and port.
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@param settings Configuration settings for the HTTP server as a structure.
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@param requestHandler Processes each received HTTP request, usually by dispatching to controller classes.
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@param parent Parent object.
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@warning Ensure to close or delete the listener before deleting the request handler.
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*/
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HttpListener(const HttpListenerSettings& settings, HttpRequestHandler* requestHandler, QObject* parent = NULL);
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/** Destructor */
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virtual ~HttpListener();
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/**
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Restart listening after close().
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*/
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void listen();
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/**
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Closes the listener, waits until all pending requests are processed,
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then closes the connection pool.
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*/
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void close();
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/**
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* Get a listener settings copy
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* @return The current listener settings
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*/
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HttpListenerSettings getListenerSettings() const { return listenerSettings; }
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/**
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* Set new listener settings data
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* @param Listener settings to replace current data
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*/
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void setListenerSettings(const HttpListenerSettings& settings) { listenerSettings = settings; }
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protected:
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/** Serves new incoming connection requests */
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void incomingConnection(tSocketDescriptor socketDescriptor);
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private:
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/** Configuration settings for the HTTP server */
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QSettings* settings;
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/** Configuration settings for the HTTP server as a structure */
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HttpListenerSettings listenerSettings;
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/** Point to the request handler which processes all HTTP requests */
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HttpRequestHandler* requestHandler;
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/** Pool of connection handlers */
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HttpConnectionHandlerPool* pool;
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/** Settings flag */
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bool useQtSettings;
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signals:
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/**
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Sent to the connection handler to process a new incoming connection.
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@param socketDescriptor references the accepted connection.
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*/
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void handleConnection(tSocketDescriptor socketDescriptor);
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};
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} // end of namespace
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#endif // HTTPLISTENER_H
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