only log client IP (remove port)

log game server address

cmd/q3rcon-proxy/main.go

@@ -15,22 +15,33 @@ func start(proxy string) {
 		return x[0], x[1]
 	}()
 
-	c, err := udpproxy.New(fmt.Sprintf("0.0.0.0:%s", port), fmt.Sprintf("127.0.0.1:%s", target))
+	c, err := udpproxy.New(fmt.Sprintf("%s:%s", host, port), fmt.Sprintf("127.0.0.1:%s", target))
 	if err != nil {
 		log.Fatal(err)
 	}
 
-	log.Printf("q3rcon-proxy initialized: [proxy] (0.0.0.0:%s) [target] (127.0.0.1:%s)", port, target)
+	log.Printf("q3rcon-proxy initialized: [proxy] (%s:%s) [target] (127.0.0.1:%s)", host, port, target)
 
 	log.Fatal(c.ListenAndServe())
 }
 
-func main() {
+var (
-	proxies := os.Getenv("Q3RCON_PROXY")
+	proxies, host string
+)
+
+func init() {
+	proxies = os.Getenv("Q3RCON_PROXY")
 	if proxies == "" {
 		log.Fatal("env Q3RCON_PROXY required")
 	}
 
+	host = os.Getenv("Q3RCON_HOST")
+	if host == "" {
+		host = "0.0.0.0"
+	}
+}
+
+func main() {
 	for _, proxy := range strings.Split(proxies, ";") {
 		go start(proxy)
 	}

go.mod

@@ -1,3 +1,7 @@
 module github.com/onyx-and-iris/q3rcon-proxy
 
 go 1.18
+
+require github.com/sirupsen/logrus v1.9.3
+
+require golang.org/x/sys v0.0.0-20220715151400-c0bba94af5f8 // indirect

go.sum

@@ -0,0 +1,15 @@
+github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
+github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
+github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
+github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
+github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
+github.com/sirupsen/logrus v1.9.3 h1:dueUQJ1C2q9oE3F7wvmSGAaVtTmUizReu6fjN8uqzbQ=
+github.com/sirupsen/logrus v1.9.3/go.mod h1:naHLuLoDiP4jHNo9R0sCBMtWGeIprob74mVsIT4qYEQ=
+github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
+github.com/stretchr/testify v1.7.0 h1:nwc3DEeHmmLAfoZucVR881uASk0Mfjw8xYJ99tb5CcY=
+github.com/stretchr/testify v1.7.0/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/h/Wwjteg=
+golang.org/x/sys v0.0.0-20220715151400-c0bba94af5f8 h1:0A+M6Uqn+Eje4kHMK80dtF3JCXC4ykBgQG4Fe06QRhQ=
+golang.org/x/sys v0.0.0-20220715151400-c0bba94af5f8/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
+gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
+gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c h1:dUUwHk2QECo/6vqA44rthZ8ie2QXMNeKRTHCNY2nXvo=
+gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=

pkg/udpproxy/session.go

@@ -1,9 +1,11 @@
 package udpproxy
 
 import (
-	"log"
 	"net"
+	"strings"
 	"time"
+
+	log "github.com/sirupsen/logrus"
 )
 
 type Session struct {
@@ -62,6 +64,8 @@ func (s *Session) proxyTo(buf []byte) error {
 		log.Println(err)
 		return err
 	}
+	parts := strings.Split(string(buf), " ")
+	log.Info("From [", s.caddr.IP, "] To [", s.serverConn.RemoteAddr().String(), "] Command: ", strings.Join(parts[2:], " "))
 
 	return nil
 }

pkg/udpproxy/udpproxy.go

@@ -1,10 +1,11 @@
 package udpproxy
 
 import (
-	"log"
 	"net"
 	"sync"
 	"time"
+
+	log "github.com/sirupsen/logrus"
 )
 
 type Client struct {