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app/infra/databus/model/BUILD

@@ -0,0 +1,27 @@
+package(default_visibility = ["//visibility:public"])
+
+load(
+    "@io_bazel_rules_go//go:def.bzl",
+    "go_library",
+)
+
+go_library(
+    name = "go_default_library",
+    srcs = ["model.go"],
+    importpath = "go-common/app/infra/databus/model",
+    tags = ["automanaged"],
+)
+
+filegroup(
+    name = "package-srcs",
+    srcs = glob(["**"]),
+    tags = ["automanaged"],
+    visibility = ["//visibility:private"],
+)
+
+filegroup(
+    name = "all-srcs",
+    srcs = [":package-srcs"],
+    tags = ["automanaged"],
+    visibility = ["//visibility:public"],
+)

app/infra/databus/model/model.go

@@ -0,0 +1,62 @@
+package model
+
+import (
+	"errors"
+)
+
+const (
+	bit1 = int8(1)
+	bit2 = int8(1) << 1
+
+	// PubOnly pub only
+	PubOnly = bit2 | int8(0)
+	// SubOnly sub only
+	SubOnly = int8(0) | bit1
+	// PubSub pub and sub
+	PubSub = bit2 | bit1
+)
+
+var (
+	errGroup  = errors.New("error group")
+	errTopic  = errors.New("error topic")
+	errKey    = errors.New("error key")
+	errSecret = errors.New("error secret")
+)
+
+// Auth databus auth info accordance with table:bilibili_databus_v2.auth
+type Auth struct {
+	Group     string
+	Topic     string
+	Operation int8
+	Key       string
+	Secret    string
+	Batch     int64
+	Cluster   string
+}
+
+// CanPub judge producer auth
+func (a *Auth) CanPub() bool {
+	return a.Operation&bit2 == bit2
+}
+
+// CanSub judge consumer auth
+func (a *Auth) CanSub() bool {
+	return a.Operation&bit1 == bit1
+}
+
+// Auth judge auth
+func (a *Auth) Auth(group, topic, key, secret string) error {
+	if a.Group != group {
+		return errGroup
+	}
+	if a.Topic != topic {
+		return errTopic
+	}
+	if a.Key != key {
+		return errKey
+	}
+	if a.Secret != secret {
+		return errSecret
+	}
+	return nil
+}