00001 /* 00002 ** This file is part of Vidalia, and is subject to the license terms in the 00003 ** LICENSE file, found in the top level directory of this distribution. If you 00004 ** did not receive the LICENSE file with this file, you may obtain it from the 00005 ** Vidalia source package distributed by the Vidalia Project at 00006 ** http://www.vidalia-project.net/. No part of Vidalia, including this file, 00007 ** may be copied, modified, propagated, or distributed except according to the 00008 ** terms described in the LICENSE file. 00009 */ 00010 00011 /* 00012 ** \file geoipresolver.h 00013 ** \version $Id: geoipresolver.h 2429 2008-03-21 02:27:36Z edmanm $ 00014 ** \brief Requests GeoIP information and caches the result 00015 */ 00016 00017 #ifndef _GEOIPRESOLVER_H 00018 #define _GEOIPRESOLVER_H 00019 00020 #include <QObject> 00021 #include <QList> 00022 #include <QHash> 00023 #include <QString> 00024 #include <QHostAddress> 00025 00026 #include "geoip.h" 00027 #include "geoipcache.h" 00028 #include "geoiprequest.h" 00029 #include "geoipresponse.h" 00030 00031 00032 class GeoIpResolver : public QObject 00033 { 00034 Q_OBJECT 00035 00036 public: 00037 /** Default constructor. */ 00038 GeoIpResolver(); 00039 00040 /** Sets the address and port of Tor, through which GeoIP requests will be 00041 * made. */ 00042 void setSocksHost(QHostAddress addr, quint16 port); 00043 /** Resolves a single IP to a geographic location. */ 00044 int resolve(QHostAddress ip); 00045 /** Resolves a list of IPs to a geographic location. */ 00046 int resolve(QList<QHostAddress> ips); 00047 /** Resolves <b>ip</b> to geographic information only if it is cached. */ 00048 bool resolveFromCache(QHostAddress ip); 00049 /** Resolves a list of IPs to a geographic location, but only those which 00050 * are cached. Returns a list of which IPs were not cached. */ 00051 QList<QHostAddress> resolveFromCache(QList<QHostAddress> ips); 00052 00053 signals: 00054 /** Emitted when a list of IPs have been resolved to lat/long. */ 00055 void resolved(int id, QList<GeoIp> geoips); 00056 /** Emitted when a resolve has failed. */ 00057 void resolveFailed(int id, QString errorString); 00058 00059 private slots: 00060 /** Called when the socket has connected to the Geo IP host. */ 00061 void connected(); 00062 /** Called when the socket has disconnected from the Geo IP host. */ 00063 void disconnected(); 00064 /** Called when an error has occurred getting the Geo IP information. */ 00065 void socketError(QString errorString); 00066 00067 private: 00068 /** Creates an HTTP request for Geo IP information. */ 00069 GeoIpRequest* createRequest(QList<QHostAddress> ips); 00070 00071 /**< Cached GeoIp objects. */ 00072 GeoIpCache _cache; 00073 /**< List of sockets used for requests. */ 00074 QHash<QAbstractSocket *,GeoIpRequest*> _requestList; 00075 /** Tor's SocksListenAddress. */ 00076 QHostAddress _socksAddr; 00077 /** Tor's SocksPort. */ 00078 quint16 _socksPort; 00079 }; 00080 00081 #endif 00082