80 lines
1.7 KiB
Go
80 lines
1.7 KiB
Go
package main
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import (
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"log"
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"github.com/micro/go-micro/cmd"
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"github.com/micro/go-micro/examples/server/handler"
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"github.com/micro/go-micro/examples/server/subscriber"
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"github.com/micro/go-micro/server"
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"golang.org/x/net/context"
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)
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func logWrapper(fn server.HandlerFunc) server.HandlerFunc {
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return func(ctx context.Context, req server.Request, rsp interface{}) error {
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log.Printf("[Log Wrapper] Before serving request method: %v", req.Method())
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err := fn(ctx, req, rsp)
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log.Printf("[Log Wrapper] After serving request")
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return err
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}
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}
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func logSubWrapper(fn server.SubscriberFunc) server.SubscriberFunc {
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return func(ctx context.Context, req server.Publication) error {
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log.Printf("[Log Sub Wrapper] Before serving publication topic: %v", req.Topic())
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err := fn(ctx, req)
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log.Printf("[Log Sub Wrapper] After serving publication")
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return err
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}
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}
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func main() {
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// optionally setup command line usage
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cmd.Init()
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md := server.DefaultOptions().Metadata
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md["datacenter"] = "local"
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server.DefaultServer = server.NewServer(
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server.WrapHandler(logWrapper),
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server.WrapSubscriber(logSubWrapper),
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server.Metadata(md),
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)
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// Initialise Server
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server.Init(
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server.Name("go.micro.srv.example"),
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)
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// Register Handlers
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server.Handle(
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server.NewHandler(
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new(handler.Example),
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),
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)
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// Register Subscribers
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if err := server.Subscribe(
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server.NewSubscriber(
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"topic.go.micro.srv.example",
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new(subscriber.Example),
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),
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); err != nil {
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log.Fatal(err)
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}
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if err := server.Subscribe(
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server.NewSubscriber(
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"topic.go.micro.srv.example",
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subscriber.Handler,
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),
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); err != nil {
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log.Fatal(err)
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}
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// Run server
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if err := server.Run(); err != nil {
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log.Fatal(err)
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}
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}
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