Muldersoft/MUtilities
Muldersoft/MUtilities
1
0
Fork 0
Code Releases Activity

Update checker: Try first couple of mirrors in "quick" mode (reduced connection timeout), then revert to default behavior + various improvements.

Browse Source
This commit is contained in:
LoRd_MuldeR 2017-03-29 21:39:05 +02:00
parent 5620cdda3a
commit f3a762cfba
2 changed files with 36 additions and 23 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
include/MUtils/UpdateChecker.h
View File

@ -137,6 +137,6 @@ namespace MUtils
bool getFile(const QString &url, const QString &outFile, const unsigned int maxRedir = 5U);
bool getFile(const QString &url, const bool forceIp4, const QString &outFile, const unsigned int maxRedir = 5U);
bool checkSignature(const QString &file, const QString &signature);
bool tryUpdateMirror(UpdateCheckerInfo *updateInfo, const QString &url);
bool tryUpdateMirror(UpdateCheckerInfo *updateInfo, const QString &url, const bool &quick);
};
}

57
src/UpdateChecker.cpp
View File

@ -215,6 +215,7 @@ static const char *known_hosts[] = //Taken form: http://www.alexa.com/topsites
};
static const int MIN_CONNSCORE = 5;
static const int QUICK_MIRRORS = 3;
static const int MAX_CONN_TIMEOUT = 8000;
static const int DOWNLOAD_TIMEOUT = 30000;
@ -240,9 +241,13 @@ while(0)
static int getMaxProgress(void)
{
int counter = MIN_CONNSCORE + 2;
for(int i = 0; update_mirrors[i]; i++) counter++;
return counter;
int counter = 0;
while (update_mirrors[counter])
{
counter++;
}
counter += MIN_CONNSCORE + QUICK_MIRRORS + 2;
return counter; ;
}
static QStringList buildRandomList(const char *const values[])
@ -367,7 +372,7 @@ void UpdateChecker::checkForUpdates(void)
// ----- Test Known Hosts Connectivity ----- //
int connectionScore = 0;
QStringList hostList = buildRandomList(known_hosts);
QStringList mirrorList = buildRandomList(known_hosts);
for(int connectionTimout = 125; connectionTimout <= MAX_CONN_TIMEOUT; connectionTimout *= 2)
{
@ -376,7 +381,7 @@ void UpdateChecker::checkForUpdates(void)
const int globalTimout = 2 * MIN_CONNSCORE * connectionTimout;
while (!elapsedTimer.hasExpired(globalTimout))
{
const QString hostName = hostList.takeFirst();
const QString hostName = mirrorList.takeFirst();
if (tryContactHost(hostName, connectionTimout))
{
connectionScore += 1;
@ -389,7 +394,7 @@ void UpdateChecker::checkForUpdates(void)
}
else
{
hostList.append(hostName); /*re-schedule*/
mirrorList.append(hostName); /*re-schedule*/
}
CHECK_CANCELLED();
msleep(1);
@ -410,27 +415,35 @@ endLoop:
log("----", "", "Checking for updates online...");
setStatus(UpdateStatus_FetchingUpdates);
QStringList mirrorList = buildRandomList(update_mirrors);
int mirrorCount = 0;
mirrorList = buildRandomList(update_mirrors);
while(!mirrorList.isEmpty())
{
const QString currentMirror = mirrorList.takeFirst();
setProgress(m_progress + 1);
if(!m_success)
const QString currentMirror = mirrorList.takeFirst();
const bool isQuick = (mirrorCount++ < QUICK_MIRRORS);
if(tryUpdateMirror(m_updateInfo.data(), currentMirror, isQuick))
{
m_success = true; /*success*/
break;
}
if (isQuick)
{
mirrorList.append(currentMirror); /*re-schedule*/
}
CHECK_CANCELLED();
if(tryUpdateMirror(m_updateInfo.data(), currentMirror))
{
m_success = true;
}
}
else
{
msleep(25);
}
msleep(1);
}
while (m_progress < m_maxProgress)
{
msleep(16);
setProgress(m_progress + 1);
CHECK_CANCELLED();
setProgress(m_maxProgress);
}
// ----- Generate final result ----- //
if(m_success)
{
@ -508,14 +521,14 @@ void UpdateChecker::log(const QString &str1, const QString &str2, const QString
if(!str4.isNull()) emit messageLogged(str4);
}
bool UpdateChecker::tryUpdateMirror(UpdateCheckerInfo *updateInfo, const QString &url)
bool UpdateChecker::tryUpdateMirror(UpdateCheckerInfo *updateInfo, const QString &url, const bool &quick)
{
bool success = false;
log("", "Trying mirror:", url, "");
if (!tryContactHost(QUrl(url).host(), MAX_CONN_TIMEOUT))
if (!tryContactHost(QUrl(url).host(), quick ? (MAX_CONN_TIMEOUT / 10) : MAX_CONN_TIMEOUT))
{
log("", "Mirror is unreachable!");
log("", quick ? "Mirror is too slow!" :"Mirror is unreachable!");
return false;
}