our current experimental Neutrino branch

git-svn-id: file:///home/bas/coolstream_public_svn/THIRDPARTY/applications/neutrino-experimental@27 e54a6e83-5905-42d5-8d5c-058d10e6a962

src/system/configure_network.cpp

@@ -0,0 +1,117 @@
+/*
+ * $Header: /cvsroot/tuxbox/apps/tuxbox/neutrino/src/system/configure_network.cpp,v 1.6 2003/03/26 17:53:12 thegoodguy Exp $
+ *
+ * (C) 2003 by thegoodguy <thegoodguy@berlios.de>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ *
+ */
+#include <config.h>
+#include <sys/wait.h>
+#include "configure_network.h"
+#include "libnet.h"             /* netGetNameserver, netSetNameserver   */
+#include "network_interfaces.h" /* getInetAttributes, setInetAttributes */
+#include <stdlib.h>             /* system                               */
+
+CNetworkConfig::CNetworkConfig(void)
+{
+	char our_nameserver[16];
+	netGetNameserver(our_nameserver);
+	nameserver = our_nameserver;
+	inet_static = getInetAttributes("eth0", automatic_start, address, netmask, broadcast, gateway);
+	copy_to_orig();
+}
+
+void CNetworkConfig::copy_to_orig(void)
+{
+	orig_automatic_start = automatic_start;
+	orig_address         = address;
+	orig_netmask         = netmask;
+	orig_broadcast       = broadcast;
+	orig_gateway         = gateway;
+	orig_inet_static     = inet_static;
+}
+
+bool CNetworkConfig::modified_from_orig(void)
+{
+	return (
+		(orig_automatic_start != automatic_start) ||
+		(orig_address         != address        ) ||
+		(orig_netmask         != netmask        ) ||
+		(orig_broadcast       != broadcast      ) ||
+		(orig_gateway         != gateway        ) ||
+		(orig_inet_static     != inet_static    )
+		);
+}
+
+void CNetworkConfig::commitConfig(void)
+{
+	if (modified_from_orig())
+	{
+		copy_to_orig();
+
+		if (inet_static)
+		{
+			addLoopbackDevice("lo", true);
+			setStaticAttributes("eth0", automatic_start, address, netmask, broadcast, gateway);
+		}
+		else
+		{
+			addLoopbackDevice("lo", true);
+			setDhcpAttributes("eth0", automatic_start);
+		}
+	}
+	if (nameserver != orig_nameserver)
+	{
+		orig_nameserver = nameserver;
+		netSetNameserver(nameserver.c_str());
+	}
+}
+
+int mysystem(char * cmd, char * arg1, char * arg2)
+{
+        int pid, i;
+        switch (pid = fork())
+        {
+                case -1: /* can't fork */
+                        perror("fork");
+                        return -1;
+
+                case 0: /* child process */
+                        for(i = 3; i < 256; i++)
+                                close(i);
+                        if(execlp(cmd, cmd, arg1, arg2, NULL))
+                        {
+                                perror("exec");
+                        }
+                        exit(0);
+                default: /* parent returns to calling process */
+                        break;
+        }
+	waitpid(pid, 0, 0);
+	return 0;
+}
+
+void CNetworkConfig::startNetwork(void)
+{
+	system("/sbin/ifup -v eth0");
+	//mysystem((char *) "ifup",  (char *) "-v",  (char *) "eth0");
+}
+
+void CNetworkConfig::stopNetwork(void)
+{
+	//mysystem("ifdown eth0", NULL, NULL);
+	system("/sbin/ifdown eth0");
+}