132 lines
3.5 KiB
Go
132 lines
3.5 KiB
Go
package main
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import (
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"context"
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"log"
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"time"
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"go.uber.org/zap"
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"google.golang.org/grpc"
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"github.com/garyburd/redigo/redis"
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"github.com/valyala/fasthttp"
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"git.loafle.net/commons_go/config"
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"git.loafle.net/commons_go/logging"
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backGRpc "git.loafle.net/overflow/overflow_api_server/golang"
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"git.loafle.net/overflow/overflow_gateway_web/handler/file"
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"git.loafle.net/overflow/overflow_gateway_web/handler/web"
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gws "git.loafle.net/overflow/overflow_gateway_websocket"
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grpcPool "git.loafle.net/overflow/overflow_grpc_pool"
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subscriberRedis "git.loafle.net/overflow/overflow_subscriber/redis"
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)
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var logger *zap.Logger
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func main() {
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config.SetConfigName("config")
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config.AddConfigPath(".")
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err := config.ReadInConfig()
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if nil != err {
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log.Fatalf("config error: %v", err)
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}
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ctx, cancel := NewContext()
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defer cancel()
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logger = logging.WithContext(ctx)
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o := &gws.ServerOptions{
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OnConnection: onConnection,
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OnDisconnected: onDisconnected,
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OnCheckOrigin: onCheckOrigin,
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HandshakeTimeout: time.Duration(config.GetInt("websocket.HandshakeTimeout")) * time.Second,
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ReadBufferSize: config.GetInt("websocket.ReadBufferSize"),
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WriteBufferSize: config.GetInt("websocket.WriteBufferSize"),
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EnableCompression: config.GetBool("websocket.EnableCompression"),
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}
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s := gws.NewServer(ctx, o)
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rPool := &redis.Pool{
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MaxIdle: config.GetInt("redis.pool.MaxIdle"),
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IdleTimeout: time.Duration(config.GetInt("redis.pool.IdleTimeout")) * time.Second,
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Dial: func() (redis.Conn, error) {
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return redis.Dial(config.GetString("redis.network"), config.GetString("redis.addr"))
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},
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}
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defer func() {
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rPool.Close()
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}()
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noti := subscriberRedis.New(ctx, rPool.Get())
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noti.Subscribe("web", func(channel string, payload string) {
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logger.Info("Subscribe",
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zap.String("channel", channel),
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zap.String("payload", payload),
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)
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})
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bo := &grpcPool.Options{
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MaxIdle: config.GetInt("grpc.pool.MaxIdle"),
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MaxCapacity: config.GetInt("grpc.pool.MaxCapacity"),
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Creators: func() (*grpc.ClientConn, interface{}, error) {
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var err error
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conn, err := grpc.Dial(config.GetString("grpc.addr"), grpc.WithInsecure())
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if nil != err {
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return nil, nil, err
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}
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c := backGRpc.NewOverflowApiServerClient(conn)
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return conn, c, nil
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},
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}
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bPool, err := grpcPool.New(ctx, bo)
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if nil != err {
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logger.Panic("Cannot create Pool of GRPC")
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}
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wh := web.New(ctx, bPool)
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fh := file.New(ctx)
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s.HandleSocket(config.GetString("handlers.web.entry"), wh.GetSocketOption())
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s.HandleSocket(config.GetString("handlers.file.entry"), fh.GetSocketOption())
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s.ListenAndServe(config.GetString("server.addr"))
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}
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func NewContext() (context.Context, context.CancelFunc) {
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ctx := context.Background()
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ctx = logging.NewContext(ctx, nil)
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ctx, cancel := context.WithCancel(ctx)
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return ctx, cancel
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}
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func onCheckOrigin(ctx *fasthttp.RequestCtx) bool {
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if origin := string(ctx.Request.Header.Peek("Origin")); origin != "" {
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ctx.Response.Header.Set("Access-Control-Allow-Origin", origin)
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if string(ctx.Method()) == "OPTIONS" && string(ctx.Request.Header.Peek("Access-Control-Request-Method")) != "" {
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ctx.Response.Header.Set("Access-Control-Allow-Headers", "Content-Type, Accept")
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ctx.Response.Header.Set("Access-Control-Allow-Methods", "GET, HEAD, POST, PUT, DELETE")
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}
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}
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return true
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}
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func onConnection(soc gws.Socket) {
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logger.Info("connect",
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zap.String("path", soc.Path()),
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zap.String("id", soc.ID()),
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)
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}
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func onDisconnected(soc gws.Socket) {
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logger.Info("disconnect",
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zap.String("path", soc.Path()),
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zap.String("id", soc.ID()),
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)
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}
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