diff options
Diffstat (limited to 'network/network.go')
-rw-r--r-- | network/network.go | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/network/network.go b/network/network.go index 322487b..5ab2dac 100644 --- a/network/network.go +++ b/network/network.go @@ -5,6 +5,7 @@ import ( "encoding/json" "fmt" "log/slog" + "math/rand" "net" "sync" "time" @@ -224,3 +225,16 @@ func GetOutboundIP() net.IP { return localAddr.IP } + +func GetRandomAvailablePort() (int, error) { + for i := 0; i < 100; i += 1 { + port := rand.Intn(65535-1024) + 1024 + addr := fmt.Sprintf(":%d", port) + ln, err := net.Listen("tcp", addr) + if err == nil { + defer ln.Close() + return port, nil + } + } + return 0, fmt.Errorf("failed to find an available port after multiple attempts") +} |