Added three commands for IP interaction in the shell: ping (sends ICMP ping messages), tcpsend (sets up TCP connections for sending and receiving data), and udpsend (sends and receives UDP packets)

2009-03-06 00:29:33 +00:00 · 2009-03-06 00:29:33 +00:00 · ddafef15e9
commit ddafef15e9
parent 3848bba210
8 changed files with 675 additions and 2 deletions
--- a/apps/shell/shell-udpsend.c
+++ b/apps/shell/shell-udpsend.c
@ -0,0 +1,143 @@
+/*
+ * Copyright (c) 2004, Adam Dunkels.
+ * All rights reserved.
+ *
+ * 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 of the Institute 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 INSTITUTE 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 INSTITUTE 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.
+ *
+ * This file is part of the Contiki operating system.
+ *
+ * Author: Adam Dunkels <adam@sics.se>
+ *
+ * $Id: shell-udpsend.c,v 1.1 2009/03/06 00:29:33 adamdunkels Exp $
+ */
+
+#include <string.h>
+#include <stddef.h>
+
+#include "contiki.h"
+#include "shell.h"
+#include "contiki-net.h"
+
+/*---------------------------------------------------------------------------*/
+PROCESS(shell_udpsend_process, "udpsend");
+SHELL_COMMAND(udpsend_command,
+	      "udpsend",
+	      "udpsend <host> <remote port> [local port]: send UDP data",
+	      &shell_udpsend_process);
+/*---------------------------------------------------------------------------*/
+
+#define MAX_SERVERLEN 16
+
+static struct uip_udp_conn *udpconn;
+
+static uip_ipaddr_t serveraddr;
+static char server[MAX_SERVERLEN + 1];
+
+static unsigned char running;
+
+#define MAX_LINELEN 80
+
+static char line[MAX_LINELEN];
+/*---------------------------------------------------------------------------*/
+static void
+send_line(char *line, int len)
+{
+  uip_udp_packet_send(udpconn, line, len);
+}
+/*---------------------------------------------------------------------------*/
+static void
+newdata(char *data, uint16_t len)
+{
+  shell_output(&udpsend_command, data, len, "", 0);
+}
+/*---------------------------------------------------------------------------*/
+PROCESS_THREAD(shell_udpsend_process, ev, data)
+{
+  char *next, *nextptr;
+  struct shell_input *input;
+  uint16_t port, local_port;
+  
+  PROCESS_BEGIN();
+
+  next = strchr(data, ' ');
+  if(next == NULL) {
+    shell_output_str(&udpsend_command,
+		     "udpsend <server> <port> [localport]: server as address", "");
+    PROCESS_EXIT();
+  }
+  *next = 0;
+  ++next;
+  strncpy(server, data, sizeof(server));
+  port = shell_strtolong(next, &nextptr);
+
+  uiplib_ipaddrconv(server, (u8_t *)&serveraddr);
+  udpconn = udp_new(&serveraddr, htons(port), NULL);
+  
+  if(next != nextptr) {
+    local_port = shell_strtolong(nextptr, &nextptr);
+    udp_bind(udpconn, htons(local_port));
+  }
+  running = 1;
+
+
+  while(running) {
+    PROCESS_WAIT_EVENT();
+
+    if(ev == shell_event_input) {
+      input = data;
+      if(input->len1 + input->len2 == 0) {
+	PROCESS_EXIT();
+      }
+
+      if(input->len1 > 0) {
+	send_line(input->data1, input->len1);
+      }
+    } else if(ev == tcpip_event) {
+      if(uip_newdata()) {
+	newdata(uip_appdata, uip_datalen());
+      }
+#if 0
+    } else if(ev == resolv_event_found) {
+      /* Either found a hostname, or not. */
+      if((char *)data != NULL &&
+	 resolv_lookup((char *)data) != NULL) {
+	uip_ipaddr_copy(serveraddr, ipaddr);
+	telnet_connect(&s, server, serveraddr, nick);
+      } else {
+	shell_output_str(&udpsend_command, "Host not found.", "");
+      }
+#endif /* 0 */
+    }
+  }
+
+  PROCESS_END();
+}
+/*---------------------------------------------------------------------------*/
+void
+shell_udpsend_init(void)
+{
+  shell_register_command(&udpsend_command);
+}
+/*---------------------------------------------------------------------------*/