[app][inetsrv] add tftp server.

app/inetsrv/inetsrv.c

 /*
  * Copyright (c) 2014 Travis Geiselbrecht
  *
  * Permission is hereby granted, free of charge, to any person obtaining
  * a copy of this software and associated documentation files
  * (the "Software"), to deal in the Software without restriction,
  * including without limitation the rights to use, copy, modify, merge,
  * publish, distribute, sublicense, and/or sell copies of the Software,
  * and to permit persons to whom the Software is furnished to do so,
  * subject to the following conditions:
@@ skipping 11 matching lines @@
  */
 #include <app.h>
 #include <err.h>
 #include <debug.h>
 #include <trace.h>
 #include <stdio.h>
 #include <stdlib.h>
 #include <compiler.h>
 #include <kernel/thread.h>
 #include <lib/minip.h>
+#include <lib/tftp.h>
 #include <lib/cksum.h>
 #include <platform.h>
 
 #include "inetsrv.h"
 
 static int chargen_worker(void *socket)
 {
     uint64_t count = 0;
     tcp_socket_t *s = socket;
 
@@ skipping 178 matching lines @@
 
 static void inetsrv_entry(const struct app_descriptor *app, void *args)
 {
     /* XXX wait for the stack to initialize */
 
     printf("starting internet servers\n");
 
     thread_detach_and_resume(thread_create("chargen", &chargen_server, NULL, DEFAULT_PRIORITY, DEFAULT_STACK_SIZE));
     thread_detach_and_resume(thread_create("discard", &discard_server, NULL, DEFAULT_PRIORITY, DEFAULT_STACK_SIZE));
     thread_detach_and_resume(thread_create("echo", &echo_server, NULL, DEFAULT_PRIORITY, DEFAULT_STACK_SIZE));
+    tftp_server_init(NULL);
 }
 
 APP_START(inetsrv)
     .init = inetsrv_init,
     .entry = inetsrv_entry,
     .flags = 0,
 APP_END