Calibrate process lookup times for Windows

network/state/lookup.go

@@ -28,11 +28,6 @@ var (
 	ErrPIDNotFound        = errors.New("could not find pid for socket inode")
 )
 
-var (
-	lookupTries     = 20 // With a max wait of 5ms, this amounts to up to 100ms.
-	fastLookupTries = 2
-)
-
 // Lookup looks for the given connection in the system state tables and returns the PID of the associated process and whether the connection is inbound.
 func Lookup(pktInfo *packet.Info, fast bool) (pid int, inbound bool, err error) {
 	// auto-detect version

network/state/system_default.go

@@ -10,6 +10,11 @@ import (
 	"github.com/safing/portmaster/network/socket"
 )
 
+var (
+	lookupTries     = 20 // With a max wait of 5ms, this amounts to up to 100ms.
+	fastLookupTries = 2
+)
+
 func init() {
 	// This increases performance on unsupported system.
 	// It's not critical at all and does not break anything if it fails.

network/state/system_linux.go

@@ -12,9 +12,12 @@ var (
 	getTCP6Table = proc.GetTCP6Table
 	getUDP4Table = proc.GetUDP4Table
 	getUDP6Table = proc.GetUDP6Table
-)
 
-var baseWaitTime = 3 * time.Millisecond
+	lookupTries     = 20 // With a max wait of 5ms, this amounts to up to 100ms.
+	fastLookupTries = 2
+
+	baseWaitTime = 3 * time.Millisecond
+)
 
 // CheckPID checks the if socket info already has a PID and if not, tries to find it.
 // Depending on the OS, this might be a no-op.

network/state/system_windows.go

@@ -10,6 +10,13 @@ var (
 	getTCP6Table = iphelper.GetTCP6Table
 	getUDP4Table = iphelper.GetUDP4Table
 	getUDP6Table = iphelper.GetUDP6Table
+
+	// With a max wait of 5ms, this amounts to up to 25ms,
+	// excluding potential data fetching time.
+	// Measured on Windows: ~150ms
+	lookupTries = 5
+
+	fastLookupTries = 2
 )
 
 // CheckPID checks the if socket info already has a PID and if not, tries to find it.