diff --git a/eBook/15.1.md b/eBook/15.1.md index a9f49e3..48f1764 100644 --- a/eBook/15.1.md +++ b/eBook/15.1.md @@ -225,6 +225,7 @@ func main() { go connectionHandler(conn) } } + func initServer(hostAndPort string) *net.TCPListener { serverAddr, err := net.ResolveTCPAddr("tcp", hostAndPort) checkError(err, "Resolving address:port failed: '"+hostAndPort+"'") @@ -233,6 +234,7 @@ func initServer(hostAndPort string) *net.TCPListener { println("Listening to: ", listener.Addr().String()) return listener } + func connectionHandler(conn net.Conn) { connFrom := conn.RemoteAddr().String() println("Connection from: ", connFrom) @@ -255,11 +257,13 @@ DISCONNECT: println("Closed connection: ", connFrom) checkError(err, "Close: ") } + func sayHello(to net.Conn) { obuf := []byte{'L', 'e', 't', '\'', 's', ' ', 'G', 'O', '!', '\n'} wrote, err := to.Write(obuf) checkError(err, "Write: wrote "+string(wrote)+" bytes.") } + func handleMsg(length int, err error, msg []byte) { if length > 0 { print("<", length, ":") @@ -272,6 +276,7 @@ func handleMsg(length int, err error, msg []byte) { print(">") } } + func checkError(error error, info string) { if error != nil { panic("ERROR: " + info + " " + error.Error()) // terminate program