updated changelog with dates.

stale session timeout default value increased

.gitignore

@@ -7,6 +7,7 @@
 *.dll
 *.so
 *.dylib
+bin/
 
 # Test binary, built with `go test -c`
 *.test

CHANGELOG.md

@@ -11,6 +11,38 @@ Before any major/minor/patch bump all unit tests will be run to verify they pass
 
 -   [x]
 
+## [1.4.0] - 2024-11-29
+
+### Added
+
+-   new environment variable `Q3RCON_TARGET_HOST` for setting the host the gameserver is on.
+
+### Changed
+
+-   environment variable `Q3RCON_HOST` renamed to `Q3RCON_PROXY_HOST`
+-   environment variable `Q3RCON_PROXY` renamed to `Q3RCON_TARGET_PORTS`.
+-   default session timeout changed from 5 to 20 minutes.
+
+## [1.3.0] - 2024-10-23
+
+### Added
+
+-   Add sessionCache for tracking sessions.
+-   Functional option `WithStaleTimeout` renamed to `WithSessionTimeout`
+
+## [1.2.0] - 2024-10-19
+
+### Added
+
+-   optional function `WithStaleTimeout`, use it to configure the session timeout value.
+    -   it defaults to 5 minutes.
+
+## [1.1.0] - 2024-09-28
+
+### Added
+
+-   connection (challenge) requests are now logged.
+
 ## [0.6.0] - 2024-03-21
 
 ### Added

Makefile

@@ -1,2 +1,40 @@
-go-build:
+program = q3rcon-proxy
-	go build ./cmd/q3rcon-proxy/
+
+GO = @go
+BIN_DIR := bin
+
+WINDOWS=$(BIN_DIR)/$(program)_windows_amd64.exe
+LINUX=$(BIN_DIR)/$(program)_linux_amd64
+VERSION=$(shell git describe --tags --always --long --dirty)
+
+.DEFAULT_GOAL := build
+
+.PHONY: fmt vet build windows linux test clean
+fmt:        
+	$(GO) fmt ./...
+
+vet: fmt        
+	$(GO) vet ./...
+
+build: vet windows linux | $(BIN_DIR)
+	@echo version: $(VERSION)
+
+windows: $(WINDOWS)
+
+linux: $(LINUX)
+
+
+$(WINDOWS):
+	env GOOS=windows GOARCH=amd64 go build -v -o $(WINDOWS) -ldflags="-s -w -X main.version=$(VERSION)"  ./cmd/q3rcon-proxy/
+
+$(LINUX):
+	env GOOS=linux GOARCH=amd64 go build -v -o $(LINUX) -ldflags="-s -w -X main.version=$(VERSION)"  ./cmd/q3rcon-proxy/
+
+test:
+	$(GO) test ./...
+
+$(BIN_DIR):
+	@mkdir -p $@
+
+clean:
+	@rm -rv $(BIN_DIR)

cmd/q3rcon-proxy/main.go

@@ -21,43 +21,53 @@ func main() {
 		log.SetLevel(log.Level(logLevel))
 	}
 
-	proxies := os.Getenv("Q3RCON_PROXY")
+	proxyHost := os.Getenv("Q3RCON_PROXY_HOST")
-	if proxies == "" {
+	if proxyHost == "" {
-		log.Fatal("env Q3RCON_PROXY required")
+		proxyHost = "0.0.0.0"
 	}
 
-	host := os.Getenv("Q3RCON_HOST")
+	targetHost := os.Getenv("Q3RCON_TARGET_HOST")
-	if host == "" {
+	if targetHost == "" {
-		host = "0.0.0.0"
+		targetHost = "127.0.0.1"
+	}
+
+	proxies := os.Getenv("Q3RCON_TARGET_PORTS")
+	if proxies == "" {
+		log.Fatal("env Q3RCON_TARGET_PORTS required")
 	}
 
 	sessionTimeout, err := getEnvInt("Q3RCON_SESSION_TIMEOUT")
 	if err != nil {
 		log.Fatalf("unable to parse Q3RCON_SESSION_TIMEOUT: %s", err.Error())
 	}
-
+	if sessionTimeout == 0 {
-	for _, proxy := range strings.Split(proxies, ";") {
+		sessionTimeout = 20
-		go start(host, proxy, sessionTimeout)
 	}
 
-	<-make(chan int)
+	for _, proxy := range strings.Split(proxies, ";") {
+		go start(proxyHost, targetHost, proxy, sessionTimeout)
+	}
+
+	<-make(chan struct{})
 }
 
-func start(host, proxy string, sessionTimeout int) {
+func start(proxyHost, targetHost, ports string, sessionTimeout int) {
-	port, target := func() (string, string) {
+	proxyPort, targetPort := func() (string, string) {
-		x := strings.Split(proxy, ":")
+		x := strings.Split(ports, ":")
 		return x[0], x[1]
 	}()
 
+	hostAddr := fmt.Sprintf("%s:%s", proxyHost, proxyPort)
+	proxyAddr := fmt.Sprintf("%s:%s", targetHost, targetPort)
+
 	c, err := udpproxy.New(
-		fmt.Sprintf("%s:%s", host, port),
+		hostAddr, proxyAddr,
-		fmt.Sprintf("127.0.0.1:%s", target),
 		udpproxy.WithSessionTimeout(time.Duration(sessionTimeout)*time.Minute))
 	if err != nil {
 		log.Fatal(err)
 	}
 
-	log.Printf("q3rcon-proxy initialized: [proxy] (%s:%s) [target] (127.0.0.1:%s)", host, port, target)
+	log.Printf("q3rcon-proxy initialized: [proxy] (%s) [target] (%s)", hostAddr, proxyAddr)
 
 	log.Fatal(c.ListenAndServe())
 }

pkg/udpproxy/udpproxy.go

@@ -14,7 +14,7 @@ type Option func(*Client)
 func WithSessionTimeout(timeout time.Duration) Option {
 	return func(c *Client) {
 		if timeout < time.Minute {
-			log.Warnf("cannot set stale session timeout to less than 1 minute.. defaulting to 5 minutes")
+			log.Warnf("cannot set stale session timeout to less than 1 minute.. defaulting to 20 minutes")
 			return
 		}
 
@@ -32,8 +32,8 @@ type Client struct {
 	sessionTimeout time.Duration
 }
 
-func New(port, target string, options ...Option) (*Client, error) {
+func New(proxy, target string, options ...Option) (*Client, error) {
-	laddr, err := net.ResolveUDPAddr("udp", port)
+	laddr, err := net.ResolveUDPAddr("udp", proxy)
 	if err != nil {
 		return nil, err
 	}
@@ -47,7 +47,7 @@ func New(port, target string, options ...Option) (*Client, error) {
 		laddr:          laddr,
 		raddr:          raddr,
 		sessionCache:   newSessionCache(),
-		sessionTimeout: 5 * time.Minute,
+		sessionTimeout: 20 * time.Minute,
 	}
 
 	for _, o := range options {