add unix domain socket support for api & metrics services

Author: ginuerzh

cmd/gost/config.go

@@ -1,6 +1,8 @@
 package main
 
 import (
+	"strings"
+
 	"github.com/go-gost/core/auth"
 	"github.com/go-gost/core/logger"
 	"github.com/go-gost/core/service"
@@ -166,8 +168,14 @@ func buildAPIService(cfg *config.APIConfig) (service.Service, error) {
 		auther = xauth.AuthenticatorGroup(authers...)
 	}
 
+	network := "tcp"
+	addr := cfg.Addr
+	if strings.HasPrefix(addr, "unix://") {
+		network = "unix"
+		addr = strings.TrimPrefix(addr, "unix://")
+	}
 	return api.NewService(
-		cfg.Addr,
+		network, addr,
 		api.PathPrefixOption(cfg.PathPrefix),
 		api.AccessLogOption(cfg.AccessLog),
 		api.AutherOption(auther),
@@ -179,8 +187,15 @@ func buildMetricsService(cfg *config.MetricsConfig) (service.Service, error) {
 	if cfg.Auther != "" {
 		auther = registry.AutherRegistry().Get(cfg.Auther)
 	}
+
+	network := "tcp"
+	addr := cfg.Addr
+	if strings.HasPrefix(addr, "unix://") {
+		network = "unix"
+		addr = strings.TrimPrefix(addr, "unix://")
+	}
 	return metrics.NewService(
-		cfg.Addr,
+		network, addr,
 		metrics.PathOption(cfg.Path),
 		metrics.AutherOption(auther),
 	)

cmd/gost/program.go

@@ -7,6 +7,7 @@ import (
 	"strings"
 
 	"github.com/go-gost/core/logger"
+	"github.com/go-gost/core/service"
 	"github.com/go-gost/x/config"
 	"github.com/go-gost/x/config/cmd"
 	"github.com/go-gost/x/config/parsing"
@@ -18,7 +19,10 @@ import (
 	"github.com/judwhite/go-svc"
 )
 
-type program struct{}
+type program struct {
+	apiSrv    service.Service
+	metricSrv service.Service
+}
 
 func (p *program) Init(env svc.Environment) error {
 	cfg := &config.Config{}
@@ -154,10 +158,11 @@ func (p *program) Start() error {
 		if err != nil {
 			return err
 		}
+		p.apiSrv = s
 		go func() {
 			defer s.Close()
 			log.Info("api service on ", s.Addr())
-			log.Fatal(s.Serve())
+			log.Error(s.Serve())
 		}()
 	}
 	if cfg.Profiling != nil {
@@ -178,10 +183,11 @@ func (p *program) Start() error {
 			if err != nil {
 				log.Fatal(err)
 			}
+			p.metricSrv = s
 			go func() {
 				defer s.Close()
 				log.Info("metrics service on ", s.Addr())
-				log.Fatal(s.Serve())
+				log.Error(s.Serve())
 			}()
 		}
 	}
@@ -201,6 +207,12 @@ func (p *program) Stop() error {
 		srv.Close()
 		logger.Default().Debugf("service %s shutdown", name)
 	}
+	if p.apiSrv != nil {
+		p.apiSrv.Close()
+	}
+	if p.metricSrv != nil {
+		p.metricSrv.Close()
+	}
 	return nil
 }
 

go.mod

@@ -6,7 +6,7 @@ toolchain go1.22.2
 
 require (
 	github.com/go-gost/core v0.1.11
-	github.com/go-gost/x v0.2.18
+	github.com/go-gost/x v0.2.19
 	github.com/judwhite/go-svc v1.2.1
 )
 

go.sum

@@ -63,8 +63,8 @@ github.com/go-gost/relay v0.5.0 h1:JG1tgy/KWiVXS0ukuVXvbM0kbYuJTWxYpJ5JwzsCf/c=
 github.com/go-gost/relay v0.5.0/go.mod h1:lcX+23LCQ3khIeASBo+tJ/WbwXFO32/N5YN6ucuYTG8=
 github.com/go-gost/tls-dissector v0.1.1 h1:2zUOTPzCQAUQ54Rpy0UEi3JPMQSYsIFSeFeKrzmkCoU=
 github.com/go-gost/tls-dissector v0.1.1/go.mod h1:/9QfdewqmHdaE362Hv5nDaSWLx3pCmtD870d6GaquXs=
-github.com/go-gost/x v0.2.18 h1:qNUUHoQMw3PaSS9ATLamkpYFw3FHWFh1vdzlxu9U6Ag=
-github.com/go-gost/x v0.2.18/go.mod h1:tRK1pmbgYAeAEKm0/1kByL/xhxPZrCVZr5rsufUwFd8=
+github.com/go-gost/x v0.2.19 h1:5gw+11L6H707huiuzYKj9JpdPHFo9G7HoBXE3kP44Zg=
+github.com/go-gost/x v0.2.19/go.mod h1:tRK1pmbgYAeAEKm0/1kByL/xhxPZrCVZr5rsufUwFd8=
 github.com/go-logr/logr v1.4.1 h1:pKouT5E8xu9zeFC39JXRDukb6JFQPXM5p5I91188VAQ=
 github.com/go-logr/logr v1.4.1/go.mod h1:9T104GzyrTigFIr8wt5mBrctHMim0Nb2HLGrmQ40KvY=
 github.com/go-playground/assert/v2 v2.2.0 h1:JvknZsQTYeFEAhQwI4qEt9cyV5ONwRHC+lYKSsYSR8s=