1 files changed, 107 insertions, 0 deletions
diff --git a/contrib/package/freifunk-watchdog/src/watchdog.h b/contrib/package/freifunk-watchdog/src/watchdog.h
new file mode 100644
index 0000000000..d11396f807
--- /dev/null
+++ b/contrib/package/freifunk-watchdog/src/watchdog.h
@@ -0,0 +1,107 @@
+/*
+ *   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., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
+ *
+ *   Copyright (C) 2009 Jo-Philipp Wich <xm@subsignal.org>
+ */
+
+#include <stdio.h>
+#include <string.h>
+#include <unistd.h>
+#include <stdint.h>
+#include <stdlib.h>
+#include <syslog.h>
+#include <ctype.h>
+#include <errno.h>
+#include <dirent.h>
+#include <fcntl.h>
+#include <math.h>
+#include <time.h>
+#include <sys/stat.h>
+#include <sys/ioctl.h>
+#include <sys/socket.h>
+
+#include "ucix.h"
+#include "wireless.22.h"
+
+
+/* Check interval */
+#define INTERVAL		30
+
+/* How to call myself in the logs */
+#define SYSLOG_IDENT	"Freifunk Watchdog"
+
+/* Wifi error action */
+#define WIFI_ACTION		"/sbin/wifi", "/sbin/wifi"
+
+/* Crond error action */
+#define CRON_ACTION		"/etc/init.d/cron", "/etc/init.d/cron", "restart"
+
+/* Fallback binary name (passed by makefile) */
+#ifndef BINARY
+#define BINARY "ffwatchd"
+#endif
+
+
+/* ifname/bssid/channel tuples */
+struct wifi_tuple {
+	char ifname[16];
+	char bssid[18];
+	int channel;
+	struct wifi_tuple *next;
+};
+
+/* structure to hold tuple-list and uci context during iteration */
+struct uci_itr_ctx {
+	struct wifi_tuple *list;
+	struct uci_context *ctx;
+};
+
+typedef struct wifi_tuple wifi_tuple_t;
+
+
+/* ioctl() helper (stolen from iwlib) */
+static inline int
+iw_ioctl(int                  skfd,           /* Socket to the kernel */
+         const char *         ifname,         /* Device name */
+         int                  request,        /* WE ID */
+         struct iwreq *       pwrq)           /* Fixed part of the request */
+{
+  /* Set device name */
+  strncpy(pwrq->ifr_ifrn.ifrn_name, ifname, 16);
+
+  /* Do the request */
+  return(ioctl(skfd, request, pwrq));
+}
+
+/* fork() & execl() helper */
+#define EXEC(x)															\
+	do {																\
+		switch(fork())													\
+		{																\
+			case -1:													\
+				syslog(LOG_CRIT, "Unable to fork child: %s",			\
+					strerror(errno));									\
+																		\
+					break;												\
+																		\
+				case 0:													\
+					execl(x, NULL);										\
+					syslog(LOG_CRIT, "Unable to execute action: %s",	\
+						strerror(errno));								\
+																		\
+					return 1;											\
+		}																\
+	} while(0)
+