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package gojobs
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import (
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"errors"
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"go.dtapp.net/gojobs/pb"
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"go.dtapp.net/gojobs/pubsub"
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"google.golang.org/grpc"
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"log"
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"net"
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"strings"
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"time"
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)
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// ServerConfig 服务配置
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type ServerConfig struct {
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PublishTimeout time.Duration // 控制发布时最大阻塞时间
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PubBuffer int // 缓冲区大小，控制每个订阅者的chan缓冲区大小
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Address string // 服务端口 0.0.0.0:8888
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}
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// Server 服务
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type Server struct {
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ServerConfig // 配置
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Pub *pubsub.Publisher // 订阅
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Conn *grpc.Server // 链接信息
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}
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// NewServer 创建服务和注册
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func NewServer(config *ServerConfig) *Server {
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if config.Address == "" {
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panic("[服务中转]请填写服务端口")
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}
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s := &Server{}
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s.PublishTimeout = config.PublishTimeout
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s.PubBuffer = config.PubBuffer
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s.Address = config.Address
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s.Pub = pubsub.NewPublisher(config.PublishTimeout, config.PubBuffer)
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// 创建gRPC服务器
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s.Conn = grpc.NewServer()
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// 注册
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pb.RegisterPubSubServer(s.Conn, pb.NewPubSubServerService())
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return s
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}
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// StartCron 启动定时任务
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func (s *Server) StartCron() {
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cron := s.Pub.SubscribeTopic(func(v interface{}) bool {
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if key, ok := v.(string); ok {
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if strings.HasPrefix(key, prefix) {
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return true
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}
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}
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return false
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})
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go func() {
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log.Println("cron：topic:", <-cron)
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}()
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}
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// StartUp 启动服务
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func (s *Server) StartUp() {
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// 监听本地端口
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lis, err := net.Listen("tcp", s.Address)
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if err != nil {
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panic(errors.New("[服务中转]{创建监听失败}" + err.Error()))
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}
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log.Println("[服务中转]{监听}", lis.Addr())
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// 启动grpc
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err = s.Conn.Serve(lis)
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if err != nil {
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panic(errors.New("[服务中转]{创建服务失败}" + err.Error()))
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}
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}
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