29 lines
572 B
Go
29 lines
572 B
Go
package nats
|
|
|
|
import (
|
|
"context"
|
|
"encoding/json"
|
|
"fmt"
|
|
)
|
|
|
|
// publish 发布消息到指定主题
|
|
func publish(ctx context.Context, subject string, data any) (err error) {
|
|
if !IsConnected() {
|
|
return fmt.Errorf("NATS 未连接")
|
|
}
|
|
// 序列化数据
|
|
dataBytes, err := json.Marshal(data)
|
|
if err != nil {
|
|
return fmt.Errorf("序列化数据失败: %w", err)
|
|
}
|
|
// 发布消息
|
|
metrics.PublishCount.Add(1)
|
|
_, err = js.Publish(ctx, subject, dataBytes)
|
|
if err != nil {
|
|
metrics.PublishError.Add(1)
|
|
return fmt.Errorf("发布消息失败: %w", err)
|
|
}
|
|
|
|
return
|
|
}
|