From ad7ad8f596de9e9cb3877eb7a74c3b436d23205e Mon Sep 17 00:00:00 2001
From: sledgehammer999 <hammered999@gmail.com>
Date: Sat, 25 Jul 2015 01:17:17 +0300
Subject: [PATCH] Faster GeoIP lookups. QCache results in speed decrease. See
 https://github.com/qbittorrent/qBittorrent/pull/3488#issuecomment-124731983

---
 src/core/net/geoipmanager.cpp | 12 ++----------
 src/core/net/geoipmanager.h   |  1 -
 2 files changed, 2 insertions(+), 11 deletions(-)

diff --git a/src/core/net/geoipmanager.cpp b/src/core/net/geoipmanager.cpp
index f5988bbad..d54888798 100644
--- a/src/core/net/geoipmanager.cpp
+++ b/src/core/net/geoipmanager.cpp
@@ -57,7 +57,6 @@ GeoIPManager *GeoIPManager::m_instance = 0;
 GeoIPManager::GeoIPManager()
     : m_enabled(false)
     , m_geoIPDatabase(0)
-    , m_cache(CACHE_SIZE)
 {
     configure();
     connect(Preferences::instance(), SIGNAL(changed()), SLOT(configure()));
@@ -126,15 +125,8 @@ void GeoIPManager::downloadDatabaseFile()
 
 QString GeoIPManager::lookup(const QHostAddress &hostAddr) const
 {
-    if (m_enabled && m_geoIPDatabase) {
-        QString *country = m_cache.object(hostAddr);
-        if (country)
-            return *country;
-
-        QString code = m_geoIPDatabase->lookup(hostAddr);
-        m_cache.insert(hostAddr, new QString(code));
-        return code;
-    }
+    if (m_enabled && m_geoIPDatabase)
+        return m_geoIPDatabase->lookup(hostAddr);
 
     return QString();
 }
diff --git a/src/core/net/geoipmanager.h b/src/core/net/geoipmanager.h
index d400bd849..ddfb7d25a 100644
--- a/src/core/net/geoipmanager.h
+++ b/src/core/net/geoipmanager.h
@@ -68,7 +68,6 @@ namespace Net
 
         bool m_enabled;
         GeoIPDatabase *m_geoIPDatabase;
-        mutable QCache<QHostAddress, QString> m_cache;
 
         static GeoIPManager *m_instance;
     };