From eafaeb9398216dacb92de69683ccdda6007efb1d Mon Sep 17 00:00:00 2001
From: patacongo <patacongo@42af7a65-404d-4744-a932-0658087f49c3>
Date: Sun, 20 Mar 2011 18:18:19 +0000
Subject: Move nuttx/examples to apps/examples

git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@3405 42af7a65-404d-4744-a932-0658087f49c3
---
 apps/examples/dhcpd/target.c | 143 +++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 143 insertions(+)
 create mode 100644 apps/examples/dhcpd/target.c

(limited to 'apps/examples/dhcpd/target.c')

diff --git a/apps/examples/dhcpd/target.c b/apps/examples/dhcpd/target.c
new file mode 100644
index 000000000..1878c2bc8
--- /dev/null
+++ b/apps/examples/dhcpd/target.c
@@ -0,0 +1,143 @@
+/****************************************************************************
+ * examples/dhcpd/target.c
+ *
+ *   Copyright (C) 2009, 2011 Gregory Nutt. All rights reserved.
+ *   Author: Gregory Nutt <spudmonkey@racsa.co.cr>
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in
+ *    the documentation and/or other materials provided with the
+ *    distribution.
+ * 3. Neither the name Gregory Nutt nor the names of its contributors may be
+ *    used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+ * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
+ * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
+ * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
+ * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ *
+ ****************************************************************************/
+
+/****************************************************************************
+ * Included Files
+ ****************************************************************************/
+ 
+#include <nuttx/config.h>
+
+#include <stdint.h>
+#include <netinet/in.h>
+#include <arpa/inet.h>
+#include <net/if.h>
+
+#include <apps/netutils/uiplib.h>
+#include <apps/netutils/dhcpd.h>
+
+/****************************************************************************
+ * Preprocessor Definitions
+ ****************************************************************************/
+
+/* Configuation Checkes *****************************************************/
+/* BEWARE:
+ * There are other configuration settings needed in netutitls/dhcpd/dhcpdc.s,
+ * but there are default values for those so we cannot check them here.
+ */
+
+#ifndef CONFIG_EXAMPLE_DHCPD_IPADDR
+#  error "You must define CONFIG_EXAMPLE_DHCPD_IPADDR"
+#endif
+
+#ifndef CONFIG_EXAMPLE_DHCPD_DRIPADDR
+#  error "You must define "
+#endif
+
+#ifndef CONFIG_EXAMPLE_DHCPD_NETMASK
+#  error "You must define CONFIG_EXAMPLE_DHCPD_NETMASK"
+#endif
+
+#ifndef CONFIG_NET
+#  error "You must define CONFIG_NET"
+#endif
+
+#ifndef CONFIG_NET_UDP
+#  error "You must define CONFIG_NET_UDP"
+#endif
+
+#ifndef CONFIG_NET_BROADCAST
+#  error "You must define CONFIG_NET_BROADCAST"
+#endif
+
+/****************************************************************************
+ * Private Data
+ ****************************************************************************/
+
+/****************************************************************************
+ * user_initialize
+ ****************************************************************************/
+
+#ifndef CONFIG_HAVE_WEAKFUNCTIONS
+void user_initialize(void)
+{
+  /* Stub that must be provided only if the toolchain does not support weak
+   * functions.
+   */
+}
+#endif
+
+/****************************************************************************
+ * user_start
+ ****************************************************************************/
+
+int user_start(int argc, char *argv[])
+{
+  struct in_addr addr;
+#if defined(CONFIG_EXAMPLE_DHCPD_NOMAC)
+  uint8_t mac[IFHWADDRLEN];
+#endif
+
+/* Many embedded network interfaces must have a software assigned MAC */
+
+#ifdef CONFIG_EXAMPLE_DHCPD_NOMAC
+  mac[0] = 0x00;
+  mac[1] = 0xe0;
+  mac[2] = 0xb0;
+  mac[3] = 0x0b;
+  mac[4] = 0xba;
+  mac[5] = 0xbe;
+  uip_setmacaddr("eth0", mac);
+#endif
+
+  /* Set up our host address */
+
+  addr.s_addr = HTONL(CONFIG_EXAMPLE_DHCPD_IPADDR);
+  uip_sethostaddr("eth0", &addr);
+
+  /* Set up the default router address */
+
+  addr.s_addr = HTONL(CONFIG_EXAMPLE_DHCPD_DRIPADDR);
+  uip_setdraddr("eth0", &addr);
+
+  /* Setup the subnet mask */
+
+  addr.s_addr = HTONL(CONFIG_EXAMPLE_DHCPD_NETMASK);
+  uip_setnetmask("eth0", &addr);
+
+  /* Then start the server */
+  
+  dhcpd_run();
+  return 0;
+}
-- 
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