74 lines
1.5 KiB
Go
74 lines
1.5 KiB
Go
package main
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import (
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"crypto/rand"
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"crypto/tls"
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"fmt"
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"io"
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"log"
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"net"
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"git.qowevisa.me/Qowevisa/gotell/env"
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)
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func main() {
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host, err := env.GetHost()
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if err != nil {
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log.Fatal(err)
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}
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port, err := env.GetPort()
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if err != nil {
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log.Fatal(err)
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}
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cert, err := tls.LoadX509KeyPair(
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env.ServerFullchainFileName,
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env.ServerPrivKeyFileName,
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)
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if err != nil {
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log.Fatalf("server: loadkeys: %s", err)
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}
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config := tls.Config{Certificates: []tls.Certificate{cert}, ClientAuth: tls.NoClientCert}
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config.Rand = rand.Reader
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service := fmt.Sprintf("%s:%d", host, port)
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listener, err := tls.Listen("tcp", service, &config)
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if err != nil {
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log.Fatalf("server: listen: %s", err)
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}
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log.Printf("server: listening on %s", service)
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for {
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conn, err := listener.Accept()
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if err != nil {
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log.Printf("server: accept: %s", err)
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break
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}
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log.Printf("server: accepted from %s", conn.RemoteAddr())
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go handleClient(conn)
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}
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}
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func handleClient(conn net.Conn) {
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defer conn.Close()
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buf := make([]byte, 512)
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for {
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log.Print("server: conn: waiting")
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n, err := conn.Read(buf)
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if err != nil {
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if err != io.EOF {
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log.Printf("server: conn: read: %s", err)
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}
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break
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}
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log.Printf("server: conn: echo %q\n", string(buf[:n]))
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answer := append([]byte("Hello! I see your message:"), buf[:n]...)
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_, err = conn.Write(answer)
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if err != nil {
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log.Printf("server: conn: write: %s", err)
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break
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}
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}
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log.Println("server: conn: closed")
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}
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