Some improvements to connectivity check: Start with small timeout and increase the timeout successively. Prevents "slow" hosts early in the list from slowing down the whole connectivity check.
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@ -124,11 +124,11 @@ namespace MUtils
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inline void log(const QString &str1, const QString &str2 = QString(), const QString &str3 = QString(), const QString &str4 = QString());
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bool getUpdateInfo(const QString &url, const QString &outFileVers, const QString &outFileSign);
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bool tryContactHost(const QString &hostname);
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bool tryContactHost(const QString &hostname, const int &timeoutMsec);
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bool parseVersionInfo(const QString &file, UpdateCheckerInfo *updateInfo);
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bool getFile(const QString &url, const QString &outFile, const unsigned int maxRedir = 5U, bool *httpOk = NULL);
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bool getFile(const QString &url, const bool forceIp4, const QString &outFile, const unsigned int maxRedir = 5U, bool *httpOk = NULL);
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bool getFile(const QString &url, const QString &outFile, const unsigned int maxRedir = 5U);
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bool getFile(const QString &url, const bool forceIp4, const QString &outFile, const unsigned int maxRedir = 5U);
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bool checkSignature(const QString &file, const QString &signature);
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bool tryUpdateMirror(UpdateCheckerInfo *updateInfo, const QString &url);
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};
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@ -31,6 +31,7 @@
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#include <QUrl>
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#include <QEventLoop>
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#include <QTimer>
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#include <QElapsedTimer>
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using namespace MUtils;
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@ -95,7 +96,9 @@ static const char *known_hosts[] = //Taken form: http://www.alexa.com/topsites
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"www.bucketheadpikes.com",
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"www.buckethead-coop.com",
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"www.buzzfeed.com",
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"www.cam.ac.uk",
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"www.ccc.de",
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"home.cern",
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"www.citizeninsomniac.com",
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"www.cnet.com",
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"cnzz.com",
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@ -110,6 +113,7 @@ static const char *known_hosts[] = //Taken form: http://www.alexa.com/topsites
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"blog.fefe.de",
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"www.ffmpeg.org",
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"blog.flickr.net",
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"www.fraunhofer.de",
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"free-codecs.com",
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"git-scm.com",
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"doc.gitlab.com",
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@ -119,8 +123,10 @@ static const char *known_hosts[] = //Taken form: http://www.alexa.com/topsites
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"go.com",
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"code.google.com",
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"haali.su",
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"www.harvard.edu",
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"www.heise.de",
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"www.huffingtonpost.co.uk",
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"www.hu-berlin.de",
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"www.iana.org",
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"www.imdb.com",
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"www.imgburn.com",
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@ -140,8 +146,10 @@ static const char *known_hosts[] = //Taken form: http://www.alexa.com/topsites
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"go.mail.ru",
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"marknelson.us",
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"www.mediafire.com",
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"web.mit.edu",
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"www.mod-technologies.com",
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"ftp.mozilla.org",
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"www.mpg.de",
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"mplayerhq.hu",
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"www.msn.com",
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"wiki.multimedia.cx",
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@ -152,6 +160,7 @@ static const char *known_hosts[] = //Taken form: http://www.alexa.com/topsites
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"netrenderer.de",
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"www.nytimes.com",
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"www.opera.com",
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"www.oxford.gov.uk",
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"www.partha.com",
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"pastebin.com",
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"pastie.org",
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@ -162,6 +171,7 @@ static const char *known_hosts[] = //Taken form: http://www.alexa.com/topsites
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"www.qt.io",
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"www.quakelive.com",
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"rationalqm.us",
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"www.rwth-aachen.de",
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"www.seamonkey-project.org",
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"selfhtml.org",
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"www.sina.com.cn",
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@ -171,10 +181,12 @@ static const char *known_hosts[] = //Taken form: http://www.alexa.com/topsites
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"www.spiegel.de",
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"www.sputnikmusic.com",
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"stackoverflow.com",
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"www.stanford.edu",
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"www.t-online.de",
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"www.tagesschau.de",
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"tdm-gcc.tdragon.net",
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"www.tdrsmusic.com",
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"tu-dresden.de",
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"www.ubuntu.com",
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"www.uol.com.br",
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"www.videohelp.com",
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@ -199,6 +211,9 @@ static const char *known_hosts[] = //Taken form: http://www.alexa.com/topsites
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};
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static const int MIN_CONNSCORE = 5;
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static const int MAX_CONN_TIMEOUT = 8000;
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static const int DOWNLOAD_TIMEOUT = 30000;
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static const int VERSION_INFO_EXPIRES_MONTHS = 6;
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static char *USER_AGENT_STR = "Mozilla/5.0 (X11; Linux i686; rv:10.0) Gecko/20100101 Firefox/10.0"; /*use something innocuous*/
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@ -325,19 +340,38 @@ void UpdateChecker::checkForUpdates(void)
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// ----- Test Known Hosts Connectivity ----- //
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int connectionScore = 0, connectionRetry = MIN_CONNSCORE;
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int connectionScore = 0, connectionTimout = 125;
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QStringList hostList = buildRandomList(known_hosts);
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while((!hostList.isEmpty()) && (connectionScore < MIN_CONNSCORE) && (connectionRetry > 0))
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while (connectionScore < MIN_CONNSCORE)
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{
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connectionRetry--;
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if(tryContactHost(hostList.takeFirst()))
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connectionTimout *= 2;
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if (connectionTimout > MAX_CONN_TIMEOUT)
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{
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connectionScore += 1;
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connectionRetry = MIN_CONNSCORE;
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break;
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}
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QElapsedTimer elapsedTimer;
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const int globalTimout = 250 + (13 * connectionTimout);
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elapsedTimer.start();
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while (!elapsedTimer.hasExpired(globalTimout))
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{
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const QString hostName = hostList.takeFirst();
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if (tryContactHost(hostName, connectionTimout))
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{
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connectionScore += 1;
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setProgress(qBound(1, connectionScore + 1, MIN_CONNSCORE + 1));
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elapsedTimer.restart();
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if (connectionScore >= MIN_CONNSCORE)
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{
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break; /*success*/
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}
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}
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else
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{
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hostList.append(hostName); /*re-schedule*/
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}
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msleep(1);
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}
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setProgress(qBound(1, connectionScore + 1, MIN_CONNSCORE + 1));
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msleep(25);
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}
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if(connectionScore < MIN_CONNSCORE)
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@ -411,7 +445,7 @@ void UpdateChecker::testKnownHosts(void)
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QString currentHost = hostList.takeFirst();
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qDebug("Testing: %s", currentHost.toLatin1().constData());
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log("", "Testing:", currentHost, "");
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if (!tryContactHost(currentHost))
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if (!tryContactHost(currentHost, DOWNLOAD_TIMEOUT))
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{
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qWarning("\nConnectivity test FAILED on the following host:\n%s\n", currentHost.toLatin1().constData());
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}
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@ -452,16 +486,22 @@ void UpdateChecker::log(const QString &str1, const QString &str2, const QString
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bool UpdateChecker::tryUpdateMirror(UpdateCheckerInfo *updateInfo, const QString &url)
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{
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bool success = false;
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log("", "Trying mirror:", url);
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log("", "Trying mirror:", url, "");
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if (!tryContactHost(QUrl(url).host(), MAX_CONN_TIMEOUT))
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{
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log("", "Mirror is unreachable!");
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return false;
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}
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const QString randPart = next_rand_str();
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const QString outFileVers = QString("%1/%2.ver").arg(temp_folder(), randPart);
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const QString outFileSign = QString("%1/%2.sig").arg(temp_folder(), randPart);
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if(getUpdateInfo(url, outFileVers, outFileSign))
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if (getUpdateInfo(url, outFileVers, outFileSign))
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{
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log("", "Download okay, checking signature:");
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if(checkSignature(outFileVers, outFileSign))
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if (checkSignature(outFileVers, outFileSign))
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{
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log("", "Signature okay, parsing info:");
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success = parseVersionInfo(outFileVers, updateInfo);
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@ -484,7 +524,7 @@ bool UpdateChecker::tryUpdateMirror(UpdateCheckerInfo *updateInfo, const QString
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bool UpdateChecker::getUpdateInfo(const QString &url, const QString &outFileVers, const QString &outFileSign)
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{
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log("", "Downloading update info:");
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log("Downloading update info:");
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if(!getFile(QString("%1%2" ).arg(url, mirror_url_postfix[m_betaUpdates ? 1 : 0]), outFileVers))
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{
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return false;
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@ -606,11 +646,11 @@ bool UpdateChecker::parseVersionInfo(const QString &file, UpdateCheckerInfo *upd
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// EXTERNAL TOOLS
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//----------------------------------------------------------
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bool UpdateChecker::getFile(const QString &url, const QString &outFile, const unsigned int maxRedir, bool *httpOk)
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bool UpdateChecker::getFile(const QString &url, const QString &outFile, const unsigned int maxRedir)
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{
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for (int i = 0; i < 2; i++)
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{
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if (getFile(url, (i > 0), outFile, maxRedir, httpOk))
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if (getFile(url, (i > 0), outFile, maxRedir))
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{
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return true;
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}
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@ -618,11 +658,10 @@ bool UpdateChecker::getFile(const QString &url, const QString &outFile, const un
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return false;
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}
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bool UpdateChecker::getFile(const QString &url, const bool forceIp4, const QString &outFile, const unsigned int maxRedir, bool *httpOk)
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bool UpdateChecker::getFile(const QString &url, const bool forceIp4, const QString &outFile, const unsigned int maxRedir)
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{
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QFileInfo output(outFile);
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output.setCaching(false);
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if (httpOk) *httpOk = false;
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if (output.exists())
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{
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@ -643,7 +682,7 @@ bool UpdateChecker::getFile(const QString &url, const bool forceIp4, const QStri
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}
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args << "--no-config" << "--no-cache" << "--no-dns-cache" << "--no-check-certificate" << "--no-hsts";
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args << QString().sprintf("--max-redirect=%u", maxRedir) << "--timeout=15";
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args << QString().sprintf("--max-redirect=%u", maxRedir) << QString().sprintf("--timeout=%u", DOWNLOAD_TIMEOUT / 1000);
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args << QString("--referer=%1://%2/").arg(QUrl(url).scheme(), QUrl(url).host()) << "-U" << USER_AGENT_STR;
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args << "-O" << output.fileName() << url;
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@ -665,7 +704,7 @@ bool UpdateChecker::getFile(const QString &url, const bool forceIp4, const QStri
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return false;
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}
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timer.start(25000);
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timer.start(DOWNLOAD_TIMEOUT);
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while (process.state() != QProcess::NotRunning)
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{
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@ -673,12 +712,7 @@ bool UpdateChecker::getFile(const QString &url, const bool forceIp4, const QStri
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const bool bTimeOut = (!timer.isActive());
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while (process.canReadLine())
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{
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QString line = QString::fromLatin1(process.readLine()).simplified();
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if (line.contains(httpResponseOK))
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{
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line.append(" [OK]");
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if (httpOk) *httpOk = true;
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}
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const QString line = QString::fromLatin1(process.readLine()).simplified();
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log(line);
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}
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if (bTimeOut)
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@ -698,7 +732,7 @@ bool UpdateChecker::getFile(const QString &url, const bool forceIp4, const QStri
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return (process.exitCode() == 0) && output.exists() && output.isFile();
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}
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bool UpdateChecker::tryContactHost(const QString &hostname)
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bool UpdateChecker::tryContactHost(const QString &hostname, const int &timeoutMsec)
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{
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log(QString("Connecting to host: %1").arg(hostname));
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@ -724,7 +758,7 @@ bool UpdateChecker::tryContactHost(const QString &hostname)
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return false;
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}
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timer.start(10000);
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timer.start(timeoutMsec);
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while (process.state() != QProcess::NotRunning)
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{
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