func doResponse(conn *tao.Conn) {
defer conn.Close()
if conn.Peer() == nil {
verbose.Printf("netlog: connection from anonymous\n")
} else {
verbose.Printf("netlog: connection from peer %s\n", *conn.Peer())
}
for {
req, err := conn.ReadString()
if err == io.EOF {
fmt.Fprintf(os.Stderr, "netlog: connection closed\n")
break
}
if err != nil {
fmt.Fprintf(os.Stderr, "netlog: can't read: %s\n", err)
break
}
verbose.Printf("netlog: got %s request\n", req)
if req == "POST" {
if conn.Peer() == nil {
conn.WriteString("DENIED")
break
}
verbose.Printf("netlog: peer is %s\n", *conn.Peer())
msg, err := conn.ReadString()
if err != nil {
conn.WriteString("BAD")
break
}
e := &netlog.LogEntry{Prin: *conn.Peer(), Msg: msg}
lock.Lock()
log = append(log, e)
lock.Unlock()
conn.WriteString("OK")
} else if req == "GET" {
lock.RLock()
t := log
lock.RUnlock()
conn.WriteString("OK")
conn.WriteInt(len(t))
for _, e := range t {
conn.WriteString(e.Prin.String())
conn.WriteString(e.Msg)
}
} else {
conn.WriteString("BAD")
break
}
}
if conn.Peer() == nil {
verbose.Printf("netlog: connection closed from anonymous\n")
} else {
verbose.Printf("netlog: connection closed from peer %s\n", *conn.Peer())
}
}
