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app/service/main/seq-server/rpc/client/BUILD

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+package(default_visibility = ["//visibility:public"])
+
+load(
+    "@io_bazel_rules_go//go:def.bzl",
+    "go_test",
+    "go_library",
+)
+
+go_test(
+    name = "go_default_test",
+    srcs = ["client_test.go"],
+    embed = [":go_default_library"],
+    rundir = ".",
+    tags = ["automanaged"],
+    deps = ["//app/service/main/seq-server/model:go_default_library"],
+)
+
+go_library(
+    name = "go_default_library",
+    srcs = ["client.go"],
+    importpath = "go-common/app/service/main/seq-server/rpc/client",
+    tags = ["automanaged"],
+    deps = [
+        "//app/service/main/seq-server/model:go_default_library",
+        "//library/net/rpc:go_default_library",
+    ],
+)
+
+filegroup(
+    name = "package-srcs",
+    srcs = glob(["**"]),
+    tags = ["automanaged"],
+    visibility = ["//visibility:private"],
+)
+
+filegroup(
+    name = "all-srcs",
+    srcs = [":package-srcs"],
+    tags = ["automanaged"],
+    visibility = ["//visibility:public"],
+)

app/service/main/seq-server/rpc/client/client.go

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+package client
+
+import (
+	"context"
+
+	"go-common/app/service/main/seq-server/model"
+	"go-common/library/net/rpc"
+)
+
+const (
+	_ID      = "RPC.ID"
+	_IDInt32 = "RPC.ID32"
+)
+
+const (
+	_appid = "seq.server"
+)
+
+// Service2 is seq rpc client.
+type Service2 struct {
+	client *rpc.Client2
+}
+
+// New2 new a seq rpc client.
+func New2(c *rpc.ClientConfig) (s *Service2) {
+	s = &Service2{}
+	s.client = rpc.NewDiscoveryCli(_appid, c)
+	return
+}
+
+// ID get id.
+func (s *Service2) ID(c context.Context, arg *model.ArgBusiness) (id int64, err error) {
+	err = s.client.Call(c, _ID, arg, &id)
+	return
+}
+
+// ID32 get id32.
+func (s *Service2) ID32(c context.Context, arg *model.ArgBusiness) (id int32, err error) {
+	err = s.client.Call(c, _IDInt32, arg, &id)
+	return
+}

app/service/main/seq-server/rpc/client/client_test.go

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+package client
+
+import (
+	"context"
+
+	"testing"
+	"time"
+
+	"go-common/app/service/main/seq-server/model"
+)
+
+func TestDynamic(t *testing.T) {
+	s := New2(nil)
+	time.Sleep(5 * time.Second)
+	testID(t, s)
+	testID32(t, s)
+}
+
+func testID(t *testing.T, s *Service2) {
+	res := make(map[int64]struct{})
+	for i := 0; i < 10000; i++ {
+		id, err := s.ID(context.TODO(), &model.ArgBusiness{BusinessID: 7, Token: "RA8yy0RjDCBTGgFUha4hPOnhxfXvM8hR"})
+		if err != nil {
+			t.Errorf("s.ID error(%v)", err)
+			continue
+		}
+		if _, ok := res[id]; ok {
+			t.Errorf("s.ID repeat id:%d", id)
+			t.FailNow()
+		}
+		res[id] = struct{}{}
+		t.Logf("got ID(%d)", id)
+	}
+}
+
+func testID32(t *testing.T, s *Service2) {
+	res := make(map[int32]struct{})
+	for i := 0; i < 10000; i++ {
+		id, err := s.ID32(context.TODO(), &model.ArgBusiness{BusinessID: 7, Token: "RA8yy0RjDCBTGgFUha4hPOnhxfXvM8hR"})
+		if err != nil {
+			t.Errorf("s.ID error(%v)", err)
+			continue
+		}
+		if _, ok := res[id]; ok {
+			t.Errorf("s.ID repeat id:%d", id)
+			t.FailNow()
+		}
+		res[id] = struct{}{}
+		t.Logf("got ID(%d)", id)
+	}
+}