60 lines
1.1 KiB
Go
60 lines
1.1 KiB
Go
package server
|
|
|
|
import (
|
|
"net"
|
|
"serveg/internal/log"
|
|
"strconv"
|
|
"time"
|
|
)
|
|
|
|
func Serve(conf *Config) error {
|
|
logger := log.LoggerContext{Name: "server"}
|
|
addr := net.JoinHostPort(conf.Ip.String(), strconv.Itoa(int(conf.Port)))
|
|
|
|
logger.Info("listening at", addr)
|
|
srv, err := net.Listen("tcp", addr)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
defer func() { _ = srv.Close() }()
|
|
|
|
for i := int64(0); ; i++ {
|
|
conn, err := srv.Accept()
|
|
if err != nil {
|
|
logger.Warn(err)
|
|
continue
|
|
}
|
|
go handleConnection(conn, i)
|
|
}
|
|
}
|
|
|
|
func handleConnection(conn net.Conn, n int64) {
|
|
logger := log.LoggerContext{Name: "conn-" + strconv.FormatInt(n, 10)}
|
|
defer func() {
|
|
if r := recover(); r != nil {
|
|
logger.Error("panic: ", r)
|
|
}
|
|
_ = conn.Close()
|
|
}()
|
|
|
|
buf := make([]byte, 4096)
|
|
|
|
for {
|
|
if err := conn.SetDeadline(time.Now().Add(30 * time.Second)); err != nil {
|
|
logger.Warn(err)
|
|
break
|
|
}
|
|
n, err := conn.Read(buf)
|
|
if err != nil {
|
|
logger.Warn(err)
|
|
break
|
|
}
|
|
msgBytes := buf[:n]
|
|
logger.Info("msg: `", string(msgBytes), "`")
|
|
if _, err := conn.Write(msgBytes); err != nil {
|
|
logger.Warn(err)
|
|
break
|
|
}
|
|
}
|
|
}
|