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<h1>GeoIpResolver.cpp</h1><a href="_geo_ip_resolver_8cpp.html">Go to the documentation of this file.</a><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">/*</span>
<a name="l00002"></a>00002 <span class="comment">** This file is part of Vidalia, and is subject to the license terms in the</span>
<a name="l00003"></a>00003 <span class="comment">** LICENSE file, found in the top level directory of this distribution. If you</span>
<a name="l00004"></a>00004 <span class="comment">** did not receive the LICENSE file with this file, you may obtain it from the</span>
<a name="l00005"></a>00005 <span class="comment">** Vidalia source package distributed by the Vidalia Project at</span>
<a name="l00006"></a>00006 <span class="comment">** http://www.vidalia-project.net/. No part of Vidalia, including this file,</span>
<a name="l00007"></a>00007 <span class="comment">** may be copied, modified, propagated, or distributed except according to the</span>
<a name="l00008"></a>00008 <span class="comment">** terms described in the LICENSE file.</span>
<a name="l00009"></a>00009 <span class="comment">*/</span>
<a name="l00010"></a>00010
<a name="l00011"></a>00011 <span class="comment">/*</span>
<a name="l00012"></a>00012 <span class="comment">** \file GeoIpResolver.cpp</span>
<a name="l00013"></a>00013 <span class="comment">** \version $Id: GeoIpResolver.cpp 3768 2009-05-13 19:07:26Z edmanm $</span>
<a name="l00014"></a>00014 <span class="comment">** \brief Requests GeoIP information and caches the result</span>
<a name="l00015"></a>00015 <span class="comment">*/</span>
<a name="l00016"></a>00016
<a name="l00017"></a>00017 <span class="preprocessor">#include "<a class="code" href="_geo_ip_resolver_8h.html">GeoIpResolver.h</a>"</span>
<a name="l00018"></a>00018 <span class="preprocessor">#include "<a class="code" href="_geo_ip_request_8h.html">GeoIpRequest.h</a>"</span>
<a name="l00019"></a>00019 <span class="preprocessor">#include "<a class="code" href="_geo_ip_response_8h.html">GeoIpResponse.h</a>"</span>
<a name="l00020"></a>00020 <span class="preprocessor">#include "<a class="code" href="_geo_ip_8h.html">GeoIp.h</a>"</span>
<a name="l00021"></a>00021 <span class="preprocessor">#include "<a class="code" href="_vidalia_8h.html">Vidalia.h</a>"</span>
<a name="l00022"></a>00022
<a name="l00023"></a>00023 <span class="preprocessor">#include "<a class="code" href="stringutil_8h.html">stringutil.h</a>"</span>
<a name="l00024"></a>00024 <span class="preprocessor">#include "<a class="code" href="_tor_ssl_socket_8h.html">TorSslSocket.h</a>"</span>
<a name="l00025"></a>00025 <span class="comment"></span>
<a name="l00026"></a>00026 <span class="comment">/** Host for the GeoIP information. */</span>
<a name="l00027"></a><a class="code" href="_geo_ip_resolver_8cpp.html#aebb8fc0d4c36a89dbf3daa219f04dfc6">00027</a> <span class="preprocessor">#define GEOIP_HOST "geoips.vidalia-project.net"</span>
<a name="l00028"></a>00028 <span class="preprocessor"></span><span class="comment">/** The SSL GeoIP service runs on port 443. */</span>
<a name="l00029"></a><a class="code" href="_geo_ip_resolver_8cpp.html#a75b3b4855ccc45ffe041eaada81bb7d5">00029</a> <span class="preprocessor">#define GEOIP_SSL_PORT 443</span>
<a name="l00030"></a>00030 <span class="preprocessor"></span><span class="comment">/** Page that we request the GeoIP information from. */</span>
<a name="l00031"></a><a class="code" href="_geo_ip_resolver_8cpp.html#aa143062ddf5e16dae541be917cdf0daa">00031</a> <span class="preprocessor">#define GEOIP_PAGE "/cgi-bin/geoip.py"</span>
<a name="l00032"></a>00032 <span class="preprocessor"></span>
<a name="l00033"></a>00033 <span class="comment"></span>
<a name="l00034"></a>00034 <span class="comment">/** Default constructor. */</span>
<a name="l00035"></a><a class="code" href="class_geo_ip_resolver.html#abf7cf6d938132f3a35575c44d14ff5b8">00035</a> <a class="code" href="class_geo_ip_resolver.html#abf7cf6d938132f3a35575c44d14ff5b8">GeoIpResolver::GeoIpResolver</a>(QObject *parent)
<a name="l00036"></a>00036 : QObject(parent)
<a name="l00037"></a>00037 {
<a name="l00038"></a>00038 <a class="code" href="class_geo_ip_resolver.html#a952025882771f558c979ba21cc545291">_socksAddr</a> = QHostAddress::LocalHost;
<a name="l00039"></a>00039 <a class="code" href="class_geo_ip_resolver.html#af489be58a3c0d0fc222ceffa0cacbd60">_socksPort</a> = 9050;
<a name="l00040"></a>00040 <a class="code" href="class_geo_ip_resolver.html#a63701c6bbd60966261eafa0849a910f5">_cache</a> = <span class="keyword">new</span> <a class="code" href="class_geo_ip_cache.html">GeoIpCache</a>(<span class="keyword">this</span>);
<a name="l00041"></a>00041 }
<a name="l00042"></a>00042 <span class="comment"></span>
<a name="l00043"></a>00043 <span class="comment">/** Sets the address and port of Tor, through which GeoIP requests will be</span>
<a name="l00044"></a>00044 <span class="comment"> * made. */</span>
<a name="l00045"></a>00045 <span class="keywordtype">void</span>
<a name="l00046"></a><a class="code" href="class_geo_ip_resolver.html#abf4521e71431be4189f59148d248ba29">00046</a> <a class="code" href="class_geo_ip_resolver.html#abf4521e71431be4189f59148d248ba29">GeoIpResolver::setSocksHost</a>(<span class="keyword">const</span> QHostAddress &addr, quint16 port)
<a name="l00047"></a>00047 {
<a name="l00048"></a>00048 <a class="code" href="class_geo_ip_resolver.html#a952025882771f558c979ba21cc545291">_socksAddr</a> = addr;
<a name="l00049"></a>00049 <a class="code" href="class_geo_ip_resolver.html#af489be58a3c0d0fc222ceffa0cacbd60">_socksPort</a> = port;
<a name="l00050"></a>00050 }
<a name="l00051"></a>00051 <span class="comment"></span>
<a name="l00052"></a>00052 <span class="comment">/** Resolves <b>ip</b> to geographic information if it is cached. A resolved()</span>
<a name="l00053"></a>00053 <span class="comment"> * signal will be emitted and true returned if we have cached geographic</span>
<a name="l00054"></a>00054 <span class="comment"> * information for <b>ip</b>. Otherwise, this returns false. */</span>
<a name="l00055"></a>00055 <span class="keywordtype">bool</span>
<a name="l00056"></a><a class="code" href="class_geo_ip_resolver.html#a1e76963e27407d363a1fb9664f1ff4d3">00056</a> <a class="code" href="class_geo_ip_resolver.html#a1e76963e27407d363a1fb9664f1ff4d3">GeoIpResolver::resolveFromCache</a>(<span class="keyword">const</span> QHostAddress &ip)
<a name="l00057"></a>00057 {
<a name="l00058"></a>00058 <span class="keywordflow">if</span> (<a class="code" href="class_geo_ip_resolver.html#a63701c6bbd60966261eafa0849a910f5">_cache</a>-><a class="code" href="class_geo_ip_cache.html#a3f5f4ed2bd9edc9da640c1d47eec3d1a">contains</a>(ip)) {
<a name="l00059"></a>00059 emit <a class="code" href="class_geo_ip_resolver.html#a4cddbc6cabdab1735f151e2b872c76e3">resolved</a>(-1, QList<GeoIp>() << <a class="code" href="class_geo_ip_resolver.html#a63701c6bbd60966261eafa0849a910f5">_cache</a>-><a class="code" href="class_geo_ip_cache.html#aca04d2de2e69721f241efc5ad58f0136">geoIpForAddress</a>(ip));
<a name="l00060"></a>00060 <span class="keywordflow">return</span> <span class="keyword">true</span>;
<a name="l00061"></a>00061 }
<a name="l00062"></a>00062 <span class="keywordflow">return</span> <span class="keyword">false</span>;
<a name="l00063"></a>00063 }
<a name="l00064"></a>00064 <span class="comment"></span>
<a name="l00065"></a>00065 <span class="comment">/** Resolves a list of IPs to a geographic location, but only those which are</span>
<a name="l00066"></a>00066 <span class="comment"> * cached. Returns a list of IPs that were not in the cache. */</span>
<a name="l00067"></a>00067 QList<QHostAddress>
<a name="l00068"></a><a class="code" href="class_geo_ip_resolver.html#ad4dae1a913ce570dd7fa52ad5e0b9dcc">00068</a> <a class="code" href="class_geo_ip_resolver.html#a1e76963e27407d363a1fb9664f1ff4d3">GeoIpResolver::resolveFromCache</a>(<span class="keyword">const</span> QList<QHostAddress> &ips)
<a name="l00069"></a>00069 {
<a name="l00070"></a>00070 QList<GeoIp> cached;
<a name="l00071"></a>00071
<a name="l00072"></a>00072 <span class="comment">/* Build a list of which IPs have cached GeoIp information */</span>
<a name="l00073"></a>00073 <span class="keywordflow">foreach</span> (QHostAddress ip, ips) {
<a name="l00074"></a>00074 <span class="keywordflow">if</span> (<a class="code" href="class_geo_ip_resolver.html#a63701c6bbd60966261eafa0849a910f5">_cache</a>-><a class="code" href="class_geo_ip_cache.html#a3f5f4ed2bd9edc9da640c1d47eec3d1a">contains</a>(ip))
<a name="l00075"></a>00075 cached << <a class="code" href="class_geo_ip_resolver.html#a63701c6bbd60966261eafa0849a910f5">_cache</a>-><a class="code" href="class_geo_ip_cache.html#aca04d2de2e69721f241efc5ad58f0136">geoIpForAddress</a>(ip);
<a name="l00076"></a>00076 }
<a name="l00077"></a>00077
<a name="l00078"></a>00078 <span class="comment">/* If any were cached, emit their results now */</span>
<a name="l00079"></a>00079 <span class="keywordflow">if</span> (cached.size() > 0) {
<a name="l00080"></a>00080 <a class="code" href="_vidalia_8h.html#a7743cb328f470aa8f382716fbcf61daa">vInfo</a>(<span class="stringliteral">"Resolved %1 GeoIP entries from cache."</span>).arg(cached.size());
<a name="l00081"></a>00081 emit <a class="code" href="class_geo_ip_resolver.html#a4cddbc6cabdab1735f151e2b872c76e3">resolved</a>(-1, cached);
<a name="l00082"></a>00082 }
<a name="l00083"></a>00083 <span class="keywordflow">return</span> ips;
<a name="l00084"></a>00084 }
<a name="l00085"></a>00085 <span class="comment"></span>
<a name="l00086"></a>00086 <span class="comment">/** Resolves a single IP to a geographic location. */</span>
<a name="l00087"></a>00087 <span class="keywordtype">int</span>
<a name="l00088"></a><a class="code" href="class_geo_ip_resolver.html#add5208876f34e8f938643e7ca57ea06b">00088</a> <a class="code" href="class_geo_ip_resolver.html#add5208876f34e8f938643e7ca57ea06b">GeoIpResolver::resolve</a>(<span class="keyword">const</span> QHostAddress &ip)
<a name="l00089"></a>00089 {
<a name="l00090"></a>00090 <span class="keywordflow">return</span> <a class="code" href="class_geo_ip_resolver.html#add5208876f34e8f938643e7ca57ea06b">resolve</a>(QList<QHostAddress>() << ip);
<a name="l00091"></a>00091 }
<a name="l00092"></a>00092 <span class="comment"></span>
<a name="l00093"></a>00093 <span class="comment">/** Called when the socket has connected to the Geo IP host. */</span>
<a name="l00094"></a>00094 <span class="keywordtype">void</span>
<a name="l00095"></a><a class="code" href="class_geo_ip_resolver.html#a834f18cee3c4e64e3636c05ec6c8c03f">00095</a> <a class="code" href="class_geo_ip_resolver.html#a834f18cee3c4e64e3636c05ec6c8c03f">GeoIpResolver::connected</a>()
<a name="l00096"></a>00096 {
<a name="l00097"></a>00097 <span class="comment">/* Find the socket and request for whoever called this slot */</span>
<a name="l00098"></a>00098 QAbstractSocket *socket = <span class="keyword">dynamic_cast<</span>QAbstractSocket *<span class="keyword">></span>(sender());
<a name="l00099"></a>00099 <span class="keywordflow">if</span> (!<a class="code" href="class_geo_ip_resolver.html#ae5176f7b232ce100762cb7b3899d8858">_requestList</a>.contains(socket)) {
<a name="l00100"></a>00100 <span class="keywordflow">return</span>;
<a name="l00101"></a>00101 }
<a name="l00102"></a>00102 <a class="code" href="class_geo_ip_request.html">GeoIpRequest</a> *req = <span class="keyword">static_cast<</span><a class="code" href="class_geo_ip_request.html">GeoIpRequest</a> *<span class="keyword">></span>(<a class="code" href="class_geo_ip_resolver.html#ae5176f7b232ce100762cb7b3899d8858">_requestList</a>.value(socket));
<a name="l00103"></a>00103
<a name="l00104"></a>00104 <a class="code" href="_vidalia_8h.html#a7743cb328f470aa8f382716fbcf61daa">vInfo</a>(<span class="stringliteral">"Connected to the GeoIP host. Sending request for %1 uncached "</span>
<a name="l00105"></a>00105 <span class="stringliteral">"GeoIP entries. (request id %2)"</span>).arg(req-><a class="code" href="class_geo_ip_request.html#a72acaf1b946c18851daa02122dc37e5f">size</a>()).arg(req-><a class="code" href="class_geo_ip_request.html#a50df4c28f18e983ff8ff79d302dad14e">id</a>());
<a name="l00106"></a>00106
<a name="l00107"></a>00107 <span class="comment">/* Send the request */</span>
<a name="l00108"></a>00108 socket->write(req-><a class="code" href="class_geo_ip_request.html#a9d8303a413c0a78f2ad21052904f95f6">request</a>());
<a name="l00109"></a>00109 }
<a name="l00110"></a>00110 <span class="comment"></span>
<a name="l00111"></a>00111 <span class="comment">/** Called when the socket has disconnected from the Geo IP host. */</span>
<a name="l00112"></a>00112 <span class="keywordtype">void</span>
<a name="l00113"></a><a class="code" href="class_geo_ip_resolver.html#a81d13eaedb2e1fb76313592e79f59d58">00113</a> <a class="code" href="class_geo_ip_resolver.html#a81d13eaedb2e1fb76313592e79f59d58">GeoIpResolver::disconnected</a>()
<a name="l00114"></a>00114 {
<a name="l00115"></a>00115 <span class="comment">/* Find the socket and request for whoever called this slot */</span>
<a name="l00116"></a>00116 QAbstractSocket *socket = <span class="keyword">dynamic_cast<</span>QAbstractSocket *<span class="keyword">></span>(sender());
<a name="l00117"></a>00117 <span class="keywordflow">if</span> (!<a class="code" href="class_geo_ip_resolver.html#ae5176f7b232ce100762cb7b3899d8858">_requestList</a>.contains(socket)) {
<a name="l00118"></a>00118 <span class="keywordflow">return</span>;
<a name="l00119"></a>00119 }
<a name="l00120"></a>00120 <a class="code" href="class_geo_ip_request.html">GeoIpRequest</a> *req = <span class="keyword">static_cast<</span><a class="code" href="class_geo_ip_request.html">GeoIpRequest</a> *<span class="keyword">></span>(<a class="code" href="class_geo_ip_resolver.html#ae5176f7b232ce100762cb7b3899d8858">_requestList</a>.take(socket));
<a name="l00121"></a>00121
<a name="l00122"></a>00122 <span class="comment">/* Read and parse the response header */</span>
<a name="l00123"></a>00123 <a class="code" href="class_geo_ip_response.html">GeoIpResponse</a> response = <a class="code" href="class_geo_ip_response.html">GeoIpResponse</a>(socket->readAll());
<a name="l00124"></a>00124
<a name="l00125"></a>00125 <span class="comment">/* Check the response code and see what we got */</span>
<a name="l00126"></a>00126 <span class="keywordflow">if</span> (response.<a class="code" href="class_geo_ip_response.html#a287020d2b93486828be33723fbec7849">statusCode</a>() == 200) {
<a name="l00127"></a>00127 <span class="comment">/* We got a 200 OK, so get the Geo IP information from the response body</span>
<a name="l00128"></a>00128 <span class="comment"> * and cache the results. */</span>
<a name="l00129"></a>00129 <a class="code" href="class_geo_ip_resolver.html#ac5e43ec05fead9a72aa0b08d507f261a">parseGeoIpResponse</a>(response.<a class="code" href="class_geo_ip_response.html#a201935b4f915b56fc8d9d3c53b8b3273">content</a>(), req);
<a name="l00130"></a>00130 } <span class="keywordflow">else</span> {
<a name="l00131"></a>00131 <span class="comment">/* We failed to get the Geo IP information, so emit resolveFailed and</span>
<a name="l00132"></a>00132 <span class="comment"> * include the HTTP status message. */</span>
<a name="l00133"></a>00133 <a class="code" href="_vidalia_8h.html#a6d8c1ad992d06eece6f19b8246219779">vWarn</a>(<span class="stringliteral">"GeoIP resolution failed (request id %1): %2"</span>).arg(req-><a class="code" href="class_geo_ip_request.html#a50df4c28f18e983ff8ff79d302dad14e">id</a>())
<a name="l00134"></a>00134 .arg(response.<a class="code" href="class_geo_ip_response.html#a10818e4c8d73cb3513105d0e38a0a1cf">statusMessage</a>());
<a name="l00135"></a>00135 emit <a class="code" href="class_geo_ip_resolver.html#a44482361799530707dba6129ebc45016">resolveFailed</a>(req-><a class="code" href="class_geo_ip_request.html#a50df4c28f18e983ff8ff79d302dad14e">id</a>(), response.<a class="code" href="class_geo_ip_response.html#a10818e4c8d73cb3513105d0e38a0a1cf">statusMessage</a>());
<a name="l00136"></a>00136 }
<a name="l00137"></a>00137 <span class="comment">/* Close the socket and clean up */</span>
<a name="l00138"></a>00138 socket->close();
<a name="l00139"></a>00139 <span class="keyword">delete</span> socket;
<a name="l00140"></a>00140 <span class="keyword">delete</span> req;
<a name="l00141"></a>00141 }
<a name="l00142"></a>00142
<a name="l00143"></a>00143 <span class="keywordtype">void</span>
<a name="l00144"></a><a class="code" href="class_geo_ip_resolver.html#ac5e43ec05fead9a72aa0b08d507f261a">00144</a> <a class="code" href="class_geo_ip_resolver.html#ac5e43ec05fead9a72aa0b08d507f261a">GeoIpResolver::parseGeoIpResponse</a>(<span class="keyword">const</span> QByteArray &response,
<a name="l00145"></a>00145 <a class="code" href="class_geo_ip_request.html">GeoIpRequest</a> *request)
<a name="l00146"></a>00146 {
<a name="l00147"></a>00147 QList<GeoIp> geoIpList;
<a name="l00148"></a>00148 QHash<QString,QString> keyvals;
<a name="l00149"></a>00149 QHostAddress ip, from, to;
<a name="l00150"></a>00150 QString city, region, country, cc;
<a name="l00151"></a>00151 <span class="keywordtype">float</span> latitude, longitude;
<a name="l00152"></a>00152 <a class="code" href="class_geo_ip.html">GeoIp</a> geoIp;
<a name="l00153"></a>00153 <span class="keywordtype">int</span> numCached = 0;
<a name="l00154"></a>00154 <span class="keywordtype">bool</span> ok;
<a name="l00155"></a>00155
<a name="l00156"></a>00156 QStringList lines = QString(response).split(<span class="stringliteral">"\n"</span>, QString::SkipEmptyParts);
<a name="l00157"></a>00157 <span class="keywordflow">foreach</span> (QString line, lines) {
<a name="l00158"></a>00158 <span class="comment">/* Split the key=value formatted GeoIP record into keys and values */</span>
<a name="l00159"></a>00159 QHash<QString,QString> keyvals = <a class="code" href="stringutil_8cpp.html#a2be53af228dd65232621f02a47bd8488">string_parse_keyvals</a>(line.trimmed(), &ok);
<a name="l00160"></a>00160 <span class="keywordflow">if</span> (! ok)
<a name="l00161"></a>00161 <span class="keywordflow">goto</span> <a class="code" href="stringutil_8cpp.html#a6e3f242b28c9165146182aec25e351a3">err</a>;
<a name="l00162"></a>00162
<a name="l00163"></a>00163 <span class="comment">/* Extract each of the required fields from the GeoIP record */</span>
<a name="l00164"></a>00164 ip = QHostAddress(keyvals.value(<span class="stringliteral">"IP"</span>));
<a name="l00165"></a>00165 <span class="keywordflow">if</span> (ip.isNull())
<a name="l00166"></a>00166 <span class="keywordflow">goto</span> <a class="code" href="stringutil_8cpp.html#a6e3f242b28c9165146182aec25e351a3">err</a>;
<a name="l00167"></a>00167 latitude = keyvals.value(<span class="stringliteral">"LAT"</span>).toFloat(&ok);
<a name="l00168"></a>00168 <span class="keywordflow">if</span> (! ok)
<a name="l00169"></a>00169 <span class="keywordflow">goto</span> <a class="code" href="stringutil_8cpp.html#a6e3f242b28c9165146182aec25e351a3">err</a>;
<a name="l00170"></a>00170 longitude = keyvals.value(<span class="stringliteral">"LON"</span>).toFloat(&ok);
<a name="l00171"></a>00171 <span class="keywordflow">if</span> (! ok)
<a name="l00172"></a>00172 <span class="keywordflow">goto</span> <a class="code" href="stringutil_8cpp.html#a6e3f242b28c9165146182aec25e351a3">err</a>;
<a name="l00173"></a>00173
<a name="l00174"></a>00174 <span class="comment">/* Each of these fields is optional */</span>
<a name="l00175"></a>00175 city = keyvals.value(<span class="stringliteral">"CITY"</span>);
<a name="l00176"></a>00176 region = keyvals.value(<span class="stringliteral">"REGION"</span>);
<a name="l00177"></a>00177 country = keyvals.value(<span class="stringliteral">"COUNTRY"</span>);
<a name="l00178"></a>00178 cc = keyvals.value(<span class="stringliteral">"CC"</span>);
<a name="l00179"></a>00179
<a name="l00180"></a>00180 geoIp = <a class="code" href="class_geo_ip.html">GeoIp</a>(ip, latitude, longitude, city, region, country, cc);
<a name="l00181"></a>00181 <span class="keywordflow">if</span> (! geoIp.<a class="code" href="class_geo_ip.html#a188bc1ae5f0a4cfa40e808a65647431a">isValid</a>())
<a name="l00182"></a>00182 <span class="keywordflow">goto</span> <a class="code" href="stringutil_8cpp.html#a6e3f242b28c9165146182aec25e351a3">err</a>;
<a name="l00183"></a>00183
<a name="l00184"></a>00184 <span class="keywordflow">if</span> (request-><a class="code" href="class_geo_ip_request.html#a66cbc518a4a534c8b4593a58c23857bf">contains</a>(ip)) {
<a name="l00185"></a>00185 <span class="keywordflow">if</span> (! <a class="code" href="class_geo_ip_resolver.html#a63701c6bbd60966261eafa0849a910f5">_cache</a>-><a class="code" href="class_geo_ip_cache.html#a3f5f4ed2bd9edc9da640c1d47eec3d1a">contains</a>(ip)) {
<a name="l00186"></a>00186 from = QHostAddress(keyvals.value(<span class="stringliteral">"FROM"</span>));
<a name="l00187"></a>00187 to = QHostAddress(keyvals.value(<span class="stringliteral">"TO"</span>));
<a name="l00188"></a>00188 <span class="keywordflow">if</span> (! from.isNull() && ! to.isNull())
<a name="l00189"></a>00189 <a class="code" href="class_geo_ip_resolver.html#a63701c6bbd60966261eafa0849a910f5">_cache</a>-><a class="code" href="class_geo_ip_cache.html#a6fa5f291254511cadb420c04db8d0aba">addToCache</a>(from, to, geoIp);
<a name="l00190"></a>00190 <span class="keywordflow">else</span>
<a name="l00191"></a>00191 <a class="code" href="class_geo_ip_resolver.html#a63701c6bbd60966261eafa0849a910f5">_cache</a>-><a class="code" href="class_geo_ip_cache.html#a6fa5f291254511cadb420c04db8d0aba">addToCache</a>(geoIp);
<a name="l00192"></a>00192 numCached++;
<a name="l00193"></a>00193 }
<a name="l00194"></a>00194
<a name="l00195"></a>00195 geoIpList << geoIp;
<a name="l00196"></a>00196 <span class="keywordflow">continue</span>;
<a name="l00197"></a>00197
<a name="l00198"></a>00198 <a class="code" href="stringutil_8cpp.html#a6e3f242b28c9165146182aec25e351a3">err</a>:
<a name="l00199"></a>00199 <a class="code" href="_vidalia_8h.html#a7743cb328f470aa8f382716fbcf61daa">vInfo</a>(<span class="stringliteral">"Ignored improperly formatted GeoIP record (request id %1): %2"</span>)
<a name="l00200"></a>00200 .arg(line).arg(request-><a class="code" href="class_geo_ip_request.html#a50df4c28f18e983ff8ff79d302dad14e">id</a>());
<a name="l00201"></a>00201 } <span class="keywordflow">else</span> {
<a name="l00202"></a>00202 <span class="comment">/* This item wasn't requested, so just log it and ignore. */</span>
<a name="l00203"></a>00203 <a class="code" href="_vidalia_8h.html#a6d8c1ad992d06eece6f19b8246219779">vWarn</a>(<span class="stringliteral">"Received a GeoIP entry for IP address %1 that was not included "</span>
<a name="l00204"></a>00204 <span class="stringliteral">"in the initial request. (request id %2)"</span>).arg(ip)
<a name="l00205"></a>00205 .arg(request-><a class="code" href="class_geo_ip_request.html#a50df4c28f18e983ff8ff79d302dad14e">id</a>());
<a name="l00206"></a>00206 }
<a name="l00207"></a>00207 }
<a name="l00208"></a>00208 <span class="comment">/* If new results were cached, save them to disk */</span>
<a name="l00209"></a>00209 <span class="keywordflow">if</span> (numCached > 0)
<a name="l00210"></a>00210 <a class="code" href="class_geo_ip_resolver.html#a63701c6bbd60966261eafa0849a910f5">_cache</a>-><a class="code" href="class_geo_ip_cache.html#abb01140493b35004398ce8ca6f468e10">saveToDisk</a>();
<a name="l00211"></a>00211
<a name="l00212"></a>00212 <span class="comment">/* Emit the results */</span>
<a name="l00213"></a>00213 <a class="code" href="_vidalia_8h.html#a7743cb328f470aa8f382716fbcf61daa">vInfo</a>(<span class="stringliteral">"Parsed %1 entries from the GeoIP response. (request id %2)"</span>)
<a name="l00214"></a>00214 .arg(geoIpList.size()).arg(request-><a class="code" href="class_geo_ip_request.html#a50df4c28f18e983ff8ff79d302dad14e">id</a>());
<a name="l00215"></a>00215 emit <a class="code" href="class_geo_ip_resolver.html#a4cddbc6cabdab1735f151e2b872c76e3">resolved</a>(request-><a class="code" href="class_geo_ip_request.html#a50df4c28f18e983ff8ff79d302dad14e">id</a>(), geoIpList);
<a name="l00216"></a>00216 }
<a name="l00217"></a>00217 <span class="comment"></span>
<a name="l00218"></a>00218 <span class="comment">/** Called when an error has occurred requesting Geo IP information. */</span>
<a name="l00219"></a>00219 <span class="keywordtype">void</span>
<a name="l00220"></a><a class="code" href="class_geo_ip_resolver.html#a8c74b0a2ed92d77ab98b39eb5f544a1c">00220</a> <a class="code" href="class_geo_ip_resolver.html#a8c74b0a2ed92d77ab98b39eb5f544a1c">GeoIpResolver::socketError</a>(<span class="keyword">const</span> QString &errorString)
<a name="l00221"></a>00221 {
<a name="l00222"></a>00222 <span class="comment">/* Find the socket and request for whoever called this slot */</span>
<a name="l00223"></a>00223 QAbstractSocket *socket = <span class="keyword">dynamic_cast<</span>QAbstractSocket *<span class="keyword">></span>(sender());
<a name="l00224"></a>00224 <span class="keywordflow">if</span> (!<a class="code" href="class_geo_ip_resolver.html#ae5176f7b232ce100762cb7b3899d8858">_requestList</a>.contains(socket)) {
<a name="l00225"></a>00225 <span class="keywordflow">return</span>;
<a name="l00226"></a>00226 }
<a name="l00227"></a>00227
<a name="l00228"></a>00228 <span class="comment">/* We expect a remote host to close the socket, because that's how the HTTP</span>
<a name="l00229"></a>00229 <span class="comment"> * server tells us he's done talking to us. */</span>
<a name="l00230"></a>00230 <span class="keywordflow">if</span> (socket->error() != QAbstractSocket::RemoteHostClosedError) {
<a name="l00231"></a>00231 <span class="comment">/* Emit the failure and clean up */</span>
<a name="l00232"></a>00232 <a class="code" href="class_geo_ip_request.html">GeoIpRequest</a> *req = <span class="keyword">static_cast<</span><a class="code" href="class_geo_ip_request.html">GeoIpRequest</a> *<span class="keyword">></span>(<a class="code" href="class_geo_ip_resolver.html#ae5176f7b232ce100762cb7b3899d8858">_requestList</a>.take(socket));
<a name="l00233"></a>00233 emit <a class="code" href="class_geo_ip_resolver.html#a44482361799530707dba6129ebc45016">resolveFailed</a>(req-><a class="code" href="class_geo_ip_request.html#a50df4c28f18e983ff8ff79d302dad14e">id</a>(), errorString);
<a name="l00234"></a>00234 socket->abort();
<a name="l00235"></a>00235 <a class="code" href="_vidalia_8h.html#a6d8c1ad992d06eece6f19b8246219779">vWarn</a>(<span class="stringliteral">"GeoIP request socket error (request id %1): %2"</span>).arg(req-><a class="code" href="class_geo_ip_request.html#a50df4c28f18e983ff8ff79d302dad14e">id</a>())
<a name="l00236"></a>00236 .arg(errorString);
<a name="l00237"></a>00237 <span class="keyword">delete</span> socket;
<a name="l00238"></a>00238 <span class="keyword">delete</span> req;
<a name="l00239"></a>00239 }
<a name="l00240"></a>00240 }
<a name="l00241"></a>00241 <span class="comment"></span>
<a name="l00242"></a>00242 <span class="comment">/** Creates an HTTP request for Geo IP information. */</span>
<a name="l00243"></a>00243 <a class="code" href="class_geo_ip_request.html">GeoIpRequest</a>*
<a name="l00244"></a><a class="code" href="class_geo_ip_resolver.html#afdebd5035b5bf9fa4efdb3ad076cc0b9">00244</a> <a class="code" href="class_geo_ip_resolver.html#afdebd5035b5bf9fa4efdb3ad076cc0b9">GeoIpResolver::createRequest</a>(<span class="keyword">const</span> QList<QHostAddress> &ips)
<a name="l00245"></a>00245 {
<a name="l00246"></a>00246 <span class="keyword">static</span> <span class="keywordtype">int</span> <span class="keywordtype">id</span> = -1;
<a name="l00247"></a>00247 <a class="code" href="class_geo_ip_request.html">GeoIpRequest</a> *request = <span class="keyword">new</span> <a class="code" href="class_geo_ip_request.html">GeoIpRequest</a>(++<span class="keywordtype">id</span>);
<a name="l00248"></a>00248 request-><a class="code" href="class_geo_ip_request.html#a4084bce9426871d5d37ce61f13de16fa">setHost</a>(<a class="code" href="_geo_ip_resolver_8cpp.html#aebb8fc0d4c36a89dbf3daa219f04dfc6">GEOIP_HOST</a>);
<a name="l00249"></a>00249 request-><a class="code" href="class_geo_ip_request.html#a81d706cc742d60c472228057530ac9eb">setPage</a>(<a class="code" href="_geo_ip_resolver_8cpp.html#aa143062ddf5e16dae541be917cdf0daa">GEOIP_PAGE</a>);
<a name="l00250"></a>00250 request-><a class="code" href="class_geo_ip_request.html#ade3330d7ff5e0a424e8ceb96b185c6c6">setRequest</a>(ips);
<a name="l00251"></a>00251 <span class="keywordflow">return</span> request;
<a name="l00252"></a>00252 }
<a name="l00253"></a>00253 <span class="comment"></span>
<a name="l00254"></a>00254 <span class="comment">/** Resolves a list of IPs to a geographic location. */</span>
<a name="l00255"></a>00255 <span class="keywordtype">int</span>
<a name="l00256"></a><a class="code" href="class_geo_ip_resolver.html#a9a891559aa86bb00d483f8b633cc65ba">00256</a> <a class="code" href="class_geo_ip_resolver.html#add5208876f34e8f938643e7ca57ea06b">GeoIpResolver::resolve</a>(<span class="keyword">const</span> QList<QHostAddress> &ips)
<a name="l00257"></a>00257 {
<a name="l00258"></a>00258 <span class="comment">/* Resolve the cached IPs and get a list of IPs that still need to be</span>
<a name="l00259"></a>00259 <span class="comment"> * resolved to a lat and long. */</span>
<a name="l00260"></a>00260 QList<QHostAddress> uncached = <a class="code" href="class_geo_ip_resolver.html#a1e76963e27407d363a1fb9664f1ff4d3">resolveFromCache</a>(ips);
<a name="l00261"></a>00261 <span class="keywordflow">if</span> (! uncached.size())
<a name="l00262"></a>00262 <span class="keywordflow">return</span> -1;
<a name="l00263"></a>00263
<a name="l00264"></a>00264 <span class="comment">/* Create a socket used to request the geo ip information. */</span>
<a name="l00265"></a>00265 <a class="code" href="class_tor_ssl_socket.html">TorSslSocket</a> *socket = <span class="keyword">new</span> <a class="code" href="class_tor_ssl_socket.html">TorSslSocket</a>(<a class="code" href="class_geo_ip_resolver.html#a952025882771f558c979ba21cc545291">_socksAddr</a>, <a class="code" href="class_geo_ip_resolver.html#af489be58a3c0d0fc222ceffa0cacbd60">_socksPort</a>);
<a name="l00266"></a>00266 connect(socket, SIGNAL(connectedToRemoteHost()), <span class="keyword">this</span>, SLOT(<a class="code" href="class_geo_ip_resolver.html#a834f18cee3c4e64e3636c05ec6c8c03f">connected</a>()),
<a name="l00267"></a>00267 Qt::QueuedConnection);
<a name="l00268"></a>00268 connect(socket, SIGNAL(<a class="code" href="class_geo_ip_resolver.html#a8c74b0a2ed92d77ab98b39eb5f544a1c">socketError</a>(QString)),
<a name="l00269"></a>00269 <span class="keyword">this</span>, SLOT(<a class="code" href="class_geo_ip_resolver.html#a8c74b0a2ed92d77ab98b39eb5f544a1c">socketError</a>(QString)),
<a name="l00270"></a>00270 Qt::QueuedConnection);
<a name="l00271"></a>00271 connect(socket, SIGNAL(<a class="code" href="class_geo_ip_resolver.html#a81d13eaedb2e1fb76313592e79f59d58">disconnected</a>()), <span class="keyword">this</span>, SLOT(<a class="code" href="class_geo_ip_resolver.html#a81d13eaedb2e1fb76313592e79f59d58">disconnected</a>()),
<a name="l00272"></a>00272 Qt::QueuedConnection);
<a name="l00273"></a>00273 <a class="code" href="class_geo_ip_request.html">GeoIpRequest</a> *request = <a class="code" href="class_geo_ip_resolver.html#afdebd5035b5bf9fa4efdb3ad076cc0b9">createRequest</a>(uncached);
<a name="l00274"></a>00274 <a class="code" href="class_geo_ip_resolver.html#ae5176f7b232ce100762cb7b3899d8858">_requestList</a>.insert(socket, request);
<a name="l00275"></a>00275
<a name="l00276"></a>00276 <span class="comment">/* Connect so we can send our request and return the request ID. */</span>
<a name="l00277"></a>00277 <a class="code" href="_vidalia_8h.html#a7743cb328f470aa8f382716fbcf61daa">vInfo</a>(<span class="stringliteral">"Opening an SSL connection to the GeoIP host at %1:%2 (request id %3)"</span>)
<a name="l00278"></a>00278 .arg(<a class="code" href="_geo_ip_resolver_8cpp.html#aebb8fc0d4c36a89dbf3daa219f04dfc6">GEOIP_HOST</a>).arg(<a class="code" href="_geo_ip_resolver_8cpp.html#a75b3b4855ccc45ffe041eaada81bb7d5">GEOIP_SSL_PORT</a>).arg(request-><a class="code" href="class_geo_ip_request.html#a50df4c28f18e983ff8ff79d302dad14e">id</a>());
<a name="l00279"></a>00279 socket-><a class="code" href="class_tor_ssl_socket.html#aee3bf54dbc1a7a33fb12aa186a8e97d5">connectToRemoteHost</a>(<a class="code" href="_geo_ip_resolver_8cpp.html#aebb8fc0d4c36a89dbf3daa219f04dfc6">GEOIP_HOST</a>, <a class="code" href="_geo_ip_resolver_8cpp.html#a75b3b4855ccc45ffe041eaada81bb7d5">GEOIP_SSL_PORT</a>, <span class="keyword">true</span>);
<a name="l00280"></a>00280
<a name="l00281"></a>00281 <span class="keywordflow">return</span> request-><a class="code" href="class_geo_ip_request.html#a50df4c28f18e983ff8ff79d302dad14e">id</a>();
<a name="l00282"></a>00282 }
<a name="l00283"></a>00283
</pre></div></div>
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