func runTCP(port, password string) {
tcp_link, err := net.Listen("tcp", ":"+port)
if err != nil {
log.Printf("error listening tcp port %v: %v\n", port, err)
os.Exit(1)
}
passwdManager.add(port, password, tcp_link)
var cipher *ss.Cipher
log.Printf("server listening tcp port %v ...\n", port)
for {
conn, err := tcp_link.Accept()
if err != nil {
// listener maybe closed to update password
debug.Printf("tcp accept error: %v\n", err)
return
}
// Creating cipher upon first connection.
if cipher == nil {
log.Println("creating cipher for port:", port)
cipher, err = ss.NewCipher(config.Method, password)
if err != nil {
log.Printf("Error generating cipher for port: %s %v\n", port, err)
conn.Close()
continue
}
}
go handleConnection(ss.NewConn(conn, cipher.Copy()))
}
}
func get(connid int, uri, serverAddr string, rawAddr []byte, cipher *ss.Cipher, done chan []time.Duration) {
reqDone := 0
reqTime := make([]time.Duration, config.nreq)
defer func() {
done <- reqTime[:reqDone]
}()
tr := &http.Transport{
Dial: func(_, _ string) (net.Conn, error) {
return ss.DialWithRawAddr(rawAddr, serverAddr, cipher.Copy())
},
}
buf := make([]byte, 8192)
client := &http.Client{Transport: tr}
for ; reqDone < config.nreq; reqDone++ {
start := time.Now()
if err := doOneRequest(client, uri, buf); err != nil {
return
}
reqTime[reqDone] = time.Now().Sub(start)
if (reqDone+1)%1000 == 0 {
fmt.Printf("conn %d finished %d get requests\n", connid, reqDone+1)
}
}
}