From 671557542bb0c64661aecea12b014247feb72231 Mon Sep 17 00:00:00 2001
From: Lucas Clemente <lucas@clemente.io>
Date: Fri, 8 Apr 2016 12:56:15 +0200
Subject: [PATCH] add example server

---
 example/main.go | 65 +++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 65 insertions(+)
 create mode 100644 example/main.go

diff --git a/example/main.go b/example/main.go
new file mode 100644
index 000000000..73f381357
--- /dev/null
+++ b/example/main.go
@@ -0,0 +1,65 @@
+package main
+
+import (
+	"bytes"
+	"errors"
+	"fmt"
+	"net"
+
+	"github.com/lucas-clemente/quic-go"
+	"github.com/lucas-clemente/quic-go/crypto"
+)
+
+func main() {
+	addr, err := net.ResolveUDPAddr("udp", "localhost:6121")
+	if err != nil {
+		panic(err)
+	}
+
+	conn, err := net.ListenUDP("udp", addr)
+	if err != nil {
+		panic(err)
+	}
+
+	data := make([]byte, 0x10000)
+	n, remoteAddr, err := conn.ReadFromUDP(data)
+	if err != nil {
+		panic(err)
+	}
+	data = data[:n]
+	r := bytes.NewReader(data)
+
+	fmt.Printf("Number of bytes: %d\n", n)
+	fmt.Printf("Remote addr: %v\n", remoteAddr)
+
+	publicHeader, err := quic.ParsePublicHeader(r)
+	if err != nil {
+		panic(err)
+	}
+
+	if publicHeader.VersionFlag && publicHeader.QuicVersion != 0x51303330 {
+		panic("only version Q030 supported")
+	}
+
+	nullAEAD := &crypto.NullAEAD{}
+	r, err = nullAEAD.Open(data[0:int(r.Size())-r.Len()], r)
+	if err != nil {
+		panic(err)
+	}
+
+	privateFlag, err := r.ReadByte()
+	if err != nil {
+		panic(err)
+	}
+
+	if privateFlag&0x02 > 0 || privateFlag&0x04 > 0 {
+		panic(errors.New("FEC packets are not implemented"))
+	}
+
+	frame, err := quic.ParseStreamFrame(r)
+	if err != nil {
+		panic(err)
+	}
+
+	fmt.Printf("%s\n", string(frame.Data[0:4]))
+}