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Add "Socket backlog size" option

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The default value in libtorrent is 5 which is too small nowadays.
The new default value 30 is chosen to be in line with
QTcpServer::maxPendingConnections().
This commit is contained in:
Chocobo1 2019-07-02 12:03:44 +08:00
parent 73cf3fb68f
commit 6286bc716c
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GPG key ID: 210D9C873253A68C
4 changed files with 32 additions and 3 deletions
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19
src/base/bittorrent/session.cpp
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@ -282,6 +282,7 @@ Session::Session(QObject *parent)
, m_sendBufferWatermark(BITTORRENT_SESSION_KEY("SendBufferWatermark"), 500)
, m_sendBufferLowWatermark(BITTORRENT_SESSION_KEY("SendBufferLowWatermark"), 10)
, m_sendBufferWatermarkFactor(BITTORRENT_SESSION_KEY("SendBufferWatermarkFactor"), 50)
, m_socketBacklogSize(BITTORRENT_SESSION_KEY("SocketBacklogSize"), 30)
, m_isAnonymousModeEnabled(BITTORRENT_SESSION_KEY("AnonymousModeEnabled"), false)
, m_isQueueingEnabled(BITTORRENT_SESSION_KEY("QueueingSystemEnabled"), true)
, m_maxActiveDownloads(BITTORRENT_SESSION_KEY("MaxActiveDownloads"), 3, lowerLimited(-1))
@ -1127,10 +1128,13 @@ void Session::initMetrics()
void Session::configure(lt::settings_pack &settingsPack)
{
// from libtorrent doc:
// It will not take affect until the listen_interfaces settings is updated
settingsPack.set_int(lt::settings_pack::listen_queue_size, socketBacklogSize());
#ifdef Q_OS_WIN
QString chosenIP;
#endif
if (m_listenInterfaceChanged) {
const ushort port = this->port();
const std::pair<int, int> ports(port, port);
@ -2955,6 +2959,19 @@ void Session::setSendBufferWatermarkFactor(const int value)
configureDeferred();
}
int Session::socketBacklogSize() const
{
return m_socketBacklogSize;
}
void Session::setSocketBacklogSize(const int value)
{
if (value == m_socketBacklogSize) return;
m_socketBacklogSize = value;
configureDeferred();
}
bool Session::isAnonymousModeEnabled() const
{
return m_isAnonymousModeEnabled;