evio/examples/echo-server/main.go

40 lines
955 B
Go

// Copyright 2017 Joshua J Baker. All rights reserved.
// Use of this source code is governed by an MIT-style
// license that can be found in the LICENSE file.
package main
import (
"flag"
"fmt"
"log"
"net"
"github.com/tidwall/evio"
)
func main() {
var port int
flag.IntVar(&port, "port", 5000, "server port")
flag.Parse()
var events evio.Events
events.Serving = func(wake func(id int) bool, addrs []net.Addr) (action evio.Action) {
log.Printf("echo server started on port %d", port)
return
}
events.Opened = func(id int, addr evio.Addr) (out []byte, opts evio.Options, action evio.Action) {
//log.Printf("opened: %d: %s", id, addr.Remote.String())
return
}
events.Closed = func(id int, err error) (action evio.Action) {
//log.Printf("closed: %d", id)
return
}
events.Data = func(id int, in []byte) (out []byte, action evio.Action) {
out = in
return
}
log.Fatal(evio.Serve(events, fmt.Sprintf("tcp://:%d", port)))
}