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connection_monitor.go
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/
connection_monitor.go
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package main
import (
"strings"
"time"
)
func trackForwardConnect(ipAddress string) {
resolvedIP := strings.Split(ipAddress, ":")[0]
for _, server := range allServers {
if server.IPAddress == resolvedIP {
server.NumConnections++
break
}
}
}
func trackForwardDisconnect(ipAddress string, duration time.Duration) {
resolvedIP := strings.Split(ipAddress, ":")[0]
for _, server := range allServers {
if server.IPAddress == resolvedIP {
if duration > time.Second*20 {
server.LastConnectionTime = time.Now()
}
server.NumConnections--
break
}
}
}
func startConnectionMonitor() {
for {
for _, server := range allServers {
if server.Available {
checkServerConnections(server)
}
}
time.Sleep(time.Minute)
}
}
func checkServerConnections(server *Server) {
server.StateLock.Lock()
defer server.StateLock.Unlock()
if server.State == stateStarted && server.NumConnections == 0 &&
time.Now().Sub(server.LastConnectionTime) >=
time.Duration(server.AutoShutdownMinutes)*time.Minute {
server.Log("connection tracker", "Auto shutdown initiated.")
go server.Shutdown()
}
}