Added read function for a simple binary config file.

2007-11-27 21:42:02 +00:00 · 2007-11-27 21:42:02 +00:00 · 6028fccc39
parent 67af780c93
commit 6028fccc39
2 changed files with 129 additions and 0 deletions
--- a/cpu/6502/lib/config.c
+++ b/cpu/6502/lib/config.c
@ -0,0 +1,88 @@
+/*
+ * Copyright (c) 2007, 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: Oliver Schmidt <ol.sc@web.de>
+ *
+ * $Id: config.c,v 1.1 2007/11/27 21:42:02 oliverschmidt Exp $
+ */
+
+#include <stdio.h>
+#include <errno.h>
+#include <fcntl.h>
+#include <unistd.h>
+#include <string.h>
+
+#include "contiki-net.h"
+#include "lib/error.h"
+#include "net/ethernet-drv.h"
+
+/*-----------------------------------------------------------------------------------*/
+struct ethernet_config *
+config_read(char *filename)
+{
+  static struct {
+    uip_ipaddr_t           hostaddr;
+    uip_ipaddr_t           netmask;
+    uip_ipaddr_t           draddr;
+    uip_ipaddr_t           resolvaddr;
+    struct ethernet_config ethernetcfg;
+  } config;
+  int file;
+
+  file = open(filename, O_RDONLY);
+  if(file < 0) {
+    fprintf(stderr, "%s: %s\n", filename, strerror(errno));
+    error_exit();
+  }
+
+  if(read(file, &config, sizeof(config)) < sizeof(config)
+					 - sizeof(config.ethernetcfg.name)) {
+    fprintf(stderr, "%s: %s\n", filename, "No Config File");
+    error_exit();
+  }
+
+  close(file);
+
+  fprintf(stderr, "IP Address:  %d.%d.%d.%d\n", uip_ipaddr_to_quad(&config.hostaddr));
+  fprintf(stderr, "Subnet Mask: %d.%d.%d.%d\n", uip_ipaddr_to_quad(&config.netmask));
+  fprintf(stderr, "Def. Router: %d.%d.%d.%d\n", uip_ipaddr_to_quad(&config.draddr));
+  fprintf(stderr, "DNS Server:  %d.%d.%d.%d\n", uip_ipaddr_to_quad(&config.resolvaddr));
+
+  fprintf(stderr, "Eth. Driver: %s at $%X\n", config.ethernetcfg.name,
+					      config.ethernetcfg.addr);
+
+  uip_sethostaddr(&config.hostaddr);
+  uip_setnetmask(&config.netmask);
+  uip_setdraddr(&config.draddr);
+  resolv_conf(&config.resolvaddr);
+
+  return &config.ethernetcfg;
+}
+/*-----------------------------------------------------------------------------------*/
--- a/cpu/6502/lib/config.h
+++ b/cpu/6502/lib/config.h
@ -0,0 +1,41 @@
+/*
+ * Copyright (c) 2007, 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: Oliver Schmidt <ol.sc@web.de>
+ *
+ * $Id: config.h,v 1.1 2007/11/27 21:42:02 oliverschmidt Exp $
+ */
+
+#ifndef __CONFIG_H__
+#define __CONFIG_H__
+
+struct ethernet_config *config_read(char *filename);
+
+#endif /* __CONFIG_H__ */