style: add unix example

Author: andeya

examples/unix/client_test.go

@@ -0,0 +1,57 @@
+package unix
+
+import (
+	"net"
+	"os"
+	"testing"
+
+	"github.com/andeya/erpc/v7"
+	"github.com/andeya/goutil"
+)
+
+//go:generate go test -v -c -o "${GOPACKAGE}_client" $GOFILE
+
+func TestClient(t *testing.T) {
+	if goutil.IsGoTest() {
+		t.Log("skip test in go test")
+		return
+	}
+	defer erpc.SetLoggerLevel("ERROR")()
+
+	cli := erpc.NewPeer(
+		erpc.PeerConfig{
+			Network:   "unix",
+			LocalPort: 9091,
+		},
+		&erpc.PluginImpl{
+			PluginName: "clean-local-unix-file",
+			OnPreDial: func(localAddr net.Addr, remoteAddr string) (stat *erpc.Status) {
+				addr := localAddr.String()
+				if _, err := os.Stat(addr); err == nil {
+					if err := os.RemoveAll(addr); err != nil {
+						return erpc.NewStatusByCodeText(erpc.CodeDialFailed, err, false)
+					}
+				}
+				return nil
+			},
+		},
+	)
+	defer cli.Close()
+
+	sess, stat := cli.Dial("0.0.0.0:9090")
+	if !stat.OK() {
+		erpc.Fatalf("%v", stat)
+	}
+
+	var result string
+	stat = sess.Call(
+		"/echo/parrot",
+		"this is request",
+		&result,
+	).Status()
+
+	if !stat.OK() {
+		erpc.Fatalf("%v", stat)
+	}
+	erpc.Printf("result: %s", result)
+}

examples/unix/server_test.go

@@ -0,0 +1,46 @@
+package unix
+
+import (
+	"os"
+	"testing"
+
+	"github.com/andeya/erpc/v7"
+	"github.com/andeya/goutil"
+)
+
+//go:generate go test -v -c -o "${GOPACKAGE}_server" $GOFILE
+
+func TestServer(t *testing.T) {
+	if goutil.IsGoTest() {
+		t.Log("skip test in go test")
+		return
+	}
+
+	defer erpc.FlushLogger()
+	srv := erpc.NewPeer(erpc.PeerConfig{
+		CountTime:  true,
+		ListenPort: 9090,
+		Network:    "unix",
+	}, &erpc.PluginImpl{
+		PluginName: "clean-listen-unix-file",
+		OnPreNewPeer: func(config *erpc.PeerConfig, _ *erpc.PluginContainer) error {
+			socketFile := config.ListenAddr().String()
+			if _, err := os.Stat(socketFile); err == nil {
+				if err := os.RemoveAll(socketFile); err != nil {
+					return err
+				}
+			}
+			return nil
+		},
+	})
+	srv.RouteCall(&Echo{})
+	srv.ListenAndServe()
+}
+
+type Echo struct {
+	erpc.CallCtx
+}
+
+func (echo *Echo) Parrot(arg *string) (string, *erpc.Status) {
+	return *arg, nil
+}