Import of the contiki-2.x development code from the SICS internal CVS server

platform/netsim/node.c

@@ -0,0 +1,138 @@
+/*
+ * Copyright (c) 2004, Swedish Institute of Computer Science.
+ * 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: node.c,v 1.1 2006/06/17 22:41:35 adamdunkels Exp $
+ */
+#include "node.h"
+#include "contiki.h"
+#include "net/uip.h"
+#include <string.h>
+#include <stdlib.h>
+
+static clock_time_t drift, timer;
+
+struct node node;
+
+static int fd;
+
+static void init_node_log(void);
+
+/*------------------------------------------------------------------------------*/
+void
+node_init(int id, int posx, int posy, int b)
+{
+  u16_t addr[2];
+  
+  node.id = id;
+  node.x = posx;
+  node.y = posy;
+  node.type = NODE_TYPE_NORMAL;
+
+  if(b) {
+    uip_ipaddr(addr, 192,168,250,2);
+  } else {
+    uip_ipaddr(addr, 10,10,posx,posy);
+  }
+  uip_sethostaddr(addr);
+
+  drift = random() % 9572627217;
+
+  init_node_log();
+}
+/*------------------------------------------------------------------------------*/
+#include <sys/time.h>
+
+clock_time_t
+node_time(void)
+{
+  struct timeval tv;
+  struct timezone tz;
+  
+  gettimeofday(&tv, &tz);
+ 
+  return tv.tv_sec * 1000 + tv.tv_usec / 1000 + drift;
+}
+/*------------------------------------------------------------------------------*/
+unsigned long
+node_seconds(void)
+{
+  struct timeval tv;
+  struct timezone tz;
+  
+  gettimeofday(&tv, &tz);
+ 
+  return tv.tv_sec;
+}
+/*------------------------------------------------------------------------------*/
+void
+node_set_time(clock_time_t time)
+{
+  timer = time;
+}
+/*------------------------------------------------------------------------------*/
+int
+node_x(void)
+{
+  return node.x;
+}
+/*------------------------------------------------------------------------------*/
+int
+node_y(void)
+{
+  return node.y;
+}
+/*------------------------------------------------------------------------------*/
+#include <fcntl.h>
+#include <stdarg.h>
+#include <stdio.h>
+#include <unistd.h>
+
+static void
+init_node_log(void)
+{
+  fd = open("log", O_CREAT | O_WRONLY | O_APPEND, 0666);
+}
+
+void
+node_log(const char *fmt, ...)
+{
+  va_list ap;
+  char buf[4096];
+  int len;
+
+  len = snprintf(buf, sizeof(buf), "Node %d (%d, %d): ", node.id, node.x, node.y);
+  va_start(ap, fmt);
+  vsnprintf(&buf[len], sizeof(buf) - len, fmt, ap);
+  write(fd, buf, strlen(buf));
+  va_end(ap);
+}
+/*------------------------------------------------------------------------------*/