client: add dial_server_timeout (#2805)

client/control.go

@@ -251,6 +251,7 @@ func (ctl *Control) connectServer() (conn net.Conn, err error) {
 		}
 		dialOptions = append(dialOptions,
 			libdial.WithProtocol(protocol),
+			libdial.WithTimeout(time.Duration(ctl.clientCfg.DialServerTimeout)*time.Second),
 			libdial.WithProxy(proxyType, addr),
 			libdial.WithProxyAuth(auth),
 			libdial.WithTLSConfig(tlsConfig),

client/proxy/proxy.go

@@ -787,7 +787,10 @@ func HandleTCPWorkConnection(ctx context.Context, localInfo *config.LocalSvrConf
 		return
 	}
 
-	localConn, err := libdial.Dial(net.JoinHostPort(localInfo.LocalIP, strconv.Itoa(localInfo.LocalPort)))
+	localConn, err := libdial.Dial(
+		net.JoinHostPort(localInfo.LocalIP, strconv.Itoa(localInfo.LocalPort)),
+		libdial.WithTimeout(10*time.Second),
+	)
 	if err != nil {
 		workConn.Close()
 		xl.Error("connect to local service [%s:%d] error: %v", localInfo.LocalIP, localInfo.LocalPort, err)

client/service.go

@@ -245,6 +245,7 @@ func (svr *Service) login() (conn net.Conn, session *fmux.Session, err error) {
 	}
 	dialOptions = append(dialOptions,
 		libdial.WithProtocol(protocol),
+		libdial.WithTimeout(time.Duration(svr.cfg.DialServerTimeout)*time.Second),
 		libdial.WithProxy(proxyType, addr),
 		libdial.WithProxyAuth(auth),
 		libdial.WithTLSConfig(tlsConfig),

conf/frpc_full.ini

@@ -6,6 +6,9 @@
 server_addr = 0.0.0.0
 server_port = 7000
 
+# The maximum amount of time a dial to server will wait for a connect to complete. Default value is 10 seconds.
+# dial_server_timeout = 10
+
 # if you want to connect frps by http proxy or socks5 proxy or ntlm proxy, you can set http_proxy here or in global environment variables
 # it only works when protocol is tcp
 # http_proxy = http://user:passwd@192.168.1.128:8080

go.mod

@@ -6,7 +6,7 @@ require (
 	github.com/armon/go-socks5 v0.0.0-20160902184237-e75332964ef5
 	github.com/coreos/go-oidc v2.2.1+incompatible
 	github.com/fatedier/beego v0.0.0-20171024143340-6c6a4f5bd5eb
-	github.com/fatedier/golib v0.1.1-0.20220119075718-78e5cf8c00ee
+	github.com/fatedier/golib v0.1.1-0.20220218075713-264f72dfbfd9
 	github.com/fatedier/kcp-go v2.0.4-0.20190803094908-fe8645b0a904+incompatible
 	github.com/go-playground/validator/v10 v10.6.1
 	github.com/google/uuid v1.2.0

go.sum

@@ -88,8 +88,10 @@ github.com/envoyproxy/protoc-gen-validate v0.1.0/go.mod h1:iSmxcyjqTsJpI2R4NaDN7
 github.com/evanphx/json-patch v4.9.0+incompatible/go.mod h1:50XU6AFN0ol/bzJsmQLiYLvXMP4fmwYFNcr97nuDLSk=
 github.com/fatedier/beego v0.0.0-20171024143340-6c6a4f5bd5eb h1:wCrNShQidLmvVWn/0PikGmpdP0vtQmnvyRg3ZBEhczw=
 github.com/fatedier/beego v0.0.0-20171024143340-6c6a4f5bd5eb/go.mod h1:wx3gB6dbIfBRcucp94PI9Bt3I0F2c/MyNEWuhzpWiwk=
-github.com/fatedier/golib v0.1.1-0.20220119075718-78e5cf8c00ee h1:iS0wlj2uZPxh3pciAf/HTzi88Kqu7DPh1jNKgJaFhtI=
-github.com/fatedier/golib v0.1.1-0.20220119075718-78e5cf8c00ee/go.mod h1:fLV0TLwHqrnB/L3jbNl67Gn6PCLggDGHniX1wLrA2Qo=
+github.com/fatedier/golib v0.1.1-0.20220218073251-9509a597216b h1:5r5/G3NFsFK+7svxvxZYA8yy8Ubs4hWIq+QYYMgEBe8=
+github.com/fatedier/golib v0.1.1-0.20220218073251-9509a597216b/go.mod h1:fLV0TLwHqrnB/L3jbNl67Gn6PCLggDGHniX1wLrA2Qo=
+github.com/fatedier/golib v0.1.1-0.20220218075713-264f72dfbfd9 h1:AOGf9Z1ri+3MiyGIAYXe+shEXx6/uVGJlufb6ZfnZls=
+github.com/fatedier/golib v0.1.1-0.20220218075713-264f72dfbfd9/go.mod h1:fLV0TLwHqrnB/L3jbNl67Gn6PCLggDGHniX1wLrA2Qo=
 github.com/fatedier/kcp-go v2.0.4-0.20190803094908-fe8645b0a904+incompatible h1:ssXat9YXFvigNge/IkkZvFMn8yeYKFX+uI6wn2mLJ74=
 github.com/fatedier/kcp-go v2.0.4-0.20190803094908-fe8645b0a904+incompatible/go.mod h1:YpCOaxj7vvMThhIQ9AfTOPW2sfztQR5WDfs7AflSy4s=
 github.com/fatih/color v1.7.0/go.mod h1:Zm6kSWBoL9eyXnKyktHP6abPY2pDugNf5KwzbycvMj4=

pkg/config/client.go

@@ -38,6 +38,8 @@ type ClientCommonConf struct {
 	// ServerPort specifies the port to connect to the server on. By default,
 	// this value is 7000.
 	ServerPort int `ini:"server_port" json:"server_port"`
+	// The maximum amount of time a dial to server will wait for a connect to complete.
+	DialServerTimeout int64 `ini:"dial_server_timeout" json:"dial_server_timeout"`
 	// ConnectServerLocalIP specifies the address of the client bind when it connect to server.
 	// By default, this value is empty.
 	// this value only use in TCP/Websocket protocol. Not support in KCP protocol.
@@ -157,6 +159,7 @@ func GetDefaultClientConf() ClientCommonConf {
 		ClientConfig:            auth.GetDefaultClientConf(),
 		ServerAddr:              "0.0.0.0",
 		ServerPort:              7000,
+		DialServerTimeout:       10,
 		HTTPProxy:               os.Getenv("http_proxy"),
 		LogFile:                 "console",
 		LogWay:                  "console",

pkg/config/client_test.go

@@ -261,6 +261,7 @@ func Test_LoadClientCommonConf(t *testing.T) {
 		},
 		ServerAddr:              "0.0.0.9",
 		ServerPort:              7009,
+		DialServerTimeout:       10,
 		HTTPProxy:               "http://user:passwd@192.168.1.128:8080",
 		LogFile:                 "./frpc.log9",
 		LogWay:                  "file",

test/e2e/basic/client_server.go

@@ -268,5 +268,4 @@ var _ = Describe("[Feature: Client-Server]", func() {
 			})
 		}
 	})
-
 })