public Server GetCurrentServer(int localPort, ServerSelectStrategy.FilterFunc filter, string targetAddr = null, bool cfgRandom = false, bool usingRandom = false, bool forceRandom = false)
{
lock (serverStrategyMap)
{
if (!serverStrategyMap.ContainsKey(localPort))
{
serverStrategyMap[localPort] = new ServerSelectStrategy();
}
ServerSelectStrategy serverStrategy = serverStrategyMap[localPort];
uricache.SetTimeout(keepVisitTime);
uricache.Sweep();
if (sameHostForSameTarget && !forceRandom && targetAddr != null && uricache.ContainsKey(targetAddr))
{
UriVisitTime visit = uricache.Get(targetAddr);
if (visit.index < configs.Count && configs[visit.index].enable && configs[visit.index].ServerSpeedLog().ErrorContinurousTimes == 0)
{
uricache.Del(targetAddr);
return(configs[visit.index]);
}
}
if (forceRandom)
{
int index;
if (filter == null && randomInGroup)
{
index = serverStrategy.Select(configs, this.index, balanceAlgorithm, delegate(Server server, Server selServer)
{
if (selServer != null)
{
return(selServer.group == server.group);
}
return(false);
}, true);
}
else
{
index = serverStrategy.Select(configs, this.index, balanceAlgorithm, filter, true);
}
if (index == -1)
{
return(GetErrorServer());
}
return(configs[index]);
}
else if (usingRandom && cfgRandom)
{
int index;
if (filter == null && randomInGroup)
{
index = serverStrategy.Select(configs, this.index, balanceAlgorithm, delegate(Server server, Server selServer)
{
if (selServer != null)
{
return(selServer.group == server.group);
}
return(false);
});
}
else
{
index = serverStrategy.Select(configs, this.index, balanceAlgorithm, filter);
}
if (index == -1)
{
return(GetErrorServer());
}
if (targetAddr != null)
{
UriVisitTime visit = new UriVisitTime();
visit.uri = targetAddr;
visit.index = index;
visit.visitTime = DateTime.Now;
uricache.Set(targetAddr, visit);
}
return(configs[index]);
}
else
{
if (index >= 0 && index < configs.Count)
{
int selIndex = index;
if (usingRandom)
{
for (int i = 0; i < configs.Count; ++i)
{
if (configs[selIndex].isEnable())
{
break;
}
else
{
selIndex = (selIndex + 1) % configs.Count;
}
}
}
if (targetAddr != null)
{
UriVisitTime visit = new UriVisitTime();
visit.uri = targetAddr;
visit.index = selIndex;
visit.visitTime = DateTime.Now;
uricache.Set(targetAddr, visit);
}
return(configs[selIndex]);
}
else
{
return(GetErrorServer());
}
}
}
}
public Server GetCurrentServer(int localPort, ServerSelectStrategy.FilterFunc filter, string targetAddr = null, bool cfgRandom = false, bool usingRandom = false, bool forceRandom = false)
{
lock (serverStrategyMap)
{
if (!serverStrategyMap.ContainsKey(localPort))
{
serverStrategyMap[localPort] = new ServerSelectStrategy();
}
ServerSelectStrategy serverStrategy = serverStrategyMap[localPort];
foreach (KeyValuePair <UriVisitTime, string> p in time2uri)
{
if ((DateTime.Now - p.Key.visitTime).TotalSeconds < keepVisitTime)
{
break;
}
uri2time.Remove(p.Value);
time2uri.Remove(p.Key);
break;
}
if (sameHostForSameTarget && !forceRandom && targetAddr != null && uri2time.ContainsKey(targetAddr))
{
UriVisitTime visit = uri2time[targetAddr];
if (visit.index < configs.Count && configs[visit.index].enable)
{
//uri2time.Remove(targetURI);
time2uri.Remove(visit);
visit.visitTime = DateTime.Now;
uri2time[targetAddr] = visit;
time2uri[visit] = targetAddr;
return(configs[visit.index]);
}
}
if (forceRandom)
{
int index;
if (filter == null && randomInGroup)
{
index = serverStrategy.Select(configs, this.index, randomAlgorithm, delegate(Server server, Server selServer)
{
if (selServer != null)
{
return(selServer.group == server.group);
}
return(false);
}, true);
}
else
{
index = serverStrategy.Select(configs, this.index, randomAlgorithm, filter, true);
}
if (index == -1)
{
return(GetErrorServer());
}
return(configs[index]);
}
else if (usingRandom && cfgRandom)
{
int index;
if (filter == null && randomInGroup)
{
index = serverStrategy.Select(configs, this.index, randomAlgorithm, delegate(Server server, Server selServer)
{
if (selServer != null)
{
return(selServer.group == server.group);
}
return(false);
});
}
else
{
index = serverStrategy.Select(configs, this.index, randomAlgorithm, filter);
}
if (index == -1)
{
return(GetErrorServer());
}
if (targetAddr != null)
{
UriVisitTime visit = new UriVisitTime();
visit.uri = targetAddr;
visit.index = index;
visit.visitTime = DateTime.Now;
if (uri2time.ContainsKey(targetAddr))
{
time2uri.Remove(uri2time[targetAddr]);
}
uri2time[targetAddr] = visit;
time2uri[visit] = targetAddr;
}
return(configs[index]);
}
else
{
if (index >= 0 && index < configs.Count)
{
int selIndex = index;
if (usingRandom)
{
for (int i = 0; i < configs.Count; ++i)
{
if (configs[selIndex].isEnable())
{
break;
}
else
{
selIndex = (selIndex + 1) % configs.Count;
}
}
}
if (targetAddr != null)
{
UriVisitTime visit = new UriVisitTime();
visit.uri = targetAddr;
visit.index = selIndex;
visit.visitTime = DateTime.Now;
if (uri2time.ContainsKey(targetAddr))
{
time2uri.Remove(uri2time[targetAddr]);
}
uri2time[targetAddr] = visit;
time2uri[visit] = targetAddr;
}
return(configs[selIndex]);
}
else
{
return(GetErrorServer());
}
}
}
}