void ServerPool::InitConnections()
{
debug("Initializing connections in ServerPool");
m_iMaxLevel = 0;
for (Servers::iterator it = m_Servers.begin(); it != m_Servers.end(); it++)
{
NewsServer* pNewsServer = *it;
if (m_iMaxLevel < pNewsServer->GetLevel())
{
m_iMaxLevel = pNewsServer->GetLevel();
}
for (int i = 0; i < pNewsServer->GetMaxConnections(); i++)
{
PooledConnection* pConnection = new PooledConnection(pNewsServer);
pConnection->SetTimeout(m_iTimeout);
m_Connections.push_back(pConnection);
}
}
for (int iLevel = 0; iLevel <= m_iMaxLevel; iLevel++)
{
int iMaxConnectionsForLevel = 0;
for (Servers::iterator it = m_Servers.begin(); it != m_Servers.end(); it++)
{
NewsServer* pNewsServer = *it;
if (iLevel == pNewsServer->GetLevel())
{
iMaxConnectionsForLevel += pNewsServer->GetMaxConnections();
}
}
m_Levels.push_back(iMaxConnectionsForLevel);
}
}
/*
* Calculate normalized levels for all servers.
* Normalized Level means: starting from 0 with step 1.
* The servers of minimum Level must be always used even if they are not active;
* this is to prevent backup servers to act as main servers.
**/
void ServerPool::NormalizeLevels()
{
if (m_Servers.empty())
{
return;
}
std::sort(m_SortedServers.begin(), m_SortedServers.end(), CompareServers);
// find minimum level
int iMinLevel = m_SortedServers.front()->GetLevel();
for (Servers::iterator it = m_SortedServers.begin(); it != m_SortedServers.end(); it++)
{
NewsServer* pNewsServer = *it;
if (pNewsServer->GetLevel() < iMinLevel)
{
iMinLevel = pNewsServer->GetLevel();
}
}
m_iMaxNormLevel = 0;
int iLastLevel = iMinLevel;
for (Servers::iterator it = m_SortedServers.begin(); it != m_SortedServers.end(); it++)
{
NewsServer* pNewsServer = *it;
if ((pNewsServer->GetActive() && pNewsServer->GetMaxConnections() > 0) ||
(pNewsServer->GetLevel() == iMinLevel))
{
if (pNewsServer->GetLevel() != iLastLevel)
{
m_iMaxNormLevel++;
}
pNewsServer->SetNormLevel(m_iMaxNormLevel);
iLastLevel = pNewsServer->GetLevel();
}
else
{
pNewsServer->SetNormLevel(-1);
}
}
}
void ServerPool::LogDebugInfo()
{
info(" ---------- ServerPool");
info(" Max-Level: %i", m_iMaxNormLevel);
m_mutexConnections.Lock();
time_t tCurTime = time(NULL);
info(" Servers: %i", m_Servers.size());
for (Servers::iterator it = m_Servers.begin(); it != m_Servers.end(); it++)
{
NewsServer* pNewsServer = *it;
info(" %i) %s (%s): Level=%i, NormLevel=%i, BlockSec=%i", pNewsServer->GetID(), pNewsServer->GetName(),
pNewsServer->GetHost(), pNewsServer->GetLevel(), pNewsServer->GetNormLevel(),
pNewsServer->GetBlockTime() && pNewsServer->GetBlockTime() + m_iRetryInterval > tCurTime ?
pNewsServer->GetBlockTime() + m_iRetryInterval - tCurTime : 0);
}
info(" Levels: %i", m_Levels.size());
int index = 0;
for (Levels::iterator it = m_Levels.begin(); it != m_Levels.end(); it++, index++)
{
int iSize = *it;
info(" %i: Free connections=%i", index, iSize);
}
info(" Connections: %i", m_Connections.size());
for (Connections::iterator it = m_Connections.begin(); it != m_Connections.end(); it++)
{
PooledConnection* pConnection = *it;
info(" %i) %s (%s): Level=%i, NormLevel=%i, InUse:%i", pConnection->GetNewsServer()->GetID(),
pConnection->GetNewsServer()->GetName(), pConnection->GetNewsServer()->GetHost(),
pConnection->GetNewsServer()->GetLevel(), pConnection->GetNewsServer()->GetNormLevel(),
(int)pConnection->GetInUse());
}
m_mutexConnections.Unlock();
}
