feat: build vehicle data platform and production pipeline

go/vehicle-gateway/internal/loadsim/config.go

@@ -14,6 +14,9 @@ const (
 	ProtocolGB32960    Protocol = "gb32960"
 	ProtocolJT808      Protocol = "jt808"
 	ProtocolYutongMQTT Protocol = "yutong-mqtt"
+
+	DefaultJT808PhoneBase int64 = 139000000000
+	maxJT808Phone         int64 = 999999999999
 )
 
 type Config struct {
@@ -25,17 +28,21 @@ type Config struct {
 	Duration             time.Duration
 	Template             string
 	SendFrames           bool
+	JT808PhoneBase       int64
+	DrainResponses       bool
 }
 
 type FlagConfig struct {
-	protocol     string
-	addr         string
-	connections  int
-	connectRate  int
-	sendInterval time.Duration
-	duration     time.Duration
-	template     string
-	sendFrames   bool
+	protocol       string
+	addr           string
+	connections    int
+	connectRate    int
+	sendInterval   time.Duration
+	duration       time.Duration
+	template       string
+	sendFrames     bool
+	jt808PhoneBase int64
+	drainResponses bool
 }
 
 func RegisterFlags(fs *flag.FlagSet) *FlagConfig {
@@ -48,6 +55,8 @@ func RegisterFlags(fs *flag.FlagSet) *FlagConfig {
 	fs.DurationVar(&cfg.duration, "duration", 10*time.Minute, "load test duration")
 	fs.StringVar(&cfg.template, "template", "", "frame template name")
 	fs.BoolVar(&cfg.sendFrames, "send", true, "send protocol frames while connections are open")
+	fs.Int64Var(&cfg.jt808PhoneBase, "jt808-phone-base", DefaultJT808PhoneBase, "first synthetic JT808 phone; one consecutive phone is assigned per connection")
+	fs.BoolVar(&cfg.drainResponses, "drain-responses", true, "continuously read protocol responses while frames are being sent")
 	return cfg
 }
 
@@ -73,6 +82,14 @@ func (c *FlagConfig) Build() (Config, error) {
 	if c.duration <= 0 {
 		return Config{}, errors.New("duration must be positive")
 	}
+	if protocol == ProtocolJT808 {
+		if c.jt808PhoneBase <= 0 || c.jt808PhoneBase > maxJT808Phone {
+			return Config{}, errors.New("jt808-phone-base must be a positive 12-digit-or-shorter number")
+		}
+		if int64(c.connections-1) > maxJT808Phone-c.jt808PhoneBase {
+			return Config{}, errors.New("jt808 synthetic phone range exceeds 12 digits")
+		}
+	}
 	return Config{
 		Protocol:             protocol,
 		Addr:                 strings.TrimSpace(c.addr),
@@ -82,5 +99,7 @@ func (c *FlagConfig) Build() (Config, error) {
 		Duration:             c.duration,
 		Template:             strings.TrimSpace(c.template),
 		SendFrames:           c.sendFrames,
+		JT808PhoneBase:       c.jt808PhoneBase,
+		DrainResponses:       c.drainResponses,
 	}, nil
 }