X-Git-Url: https://git.archive.openwrt.org/?a=blobdiff_plain;f=contrib%2Fpackage%2Ffreifunk-watchdog%2Fsrc%2Fwatchdog.h;h=6f2382de38b54717b8d90e86af40594188b958a6;hb=HEAD;hp=d11396f807f2524a181915f5753202b96e6238b4;hpb=214511aafc65d340174c93703efd1e158b076be1;p=project%2Fluci.git

diff --git a/contrib/package/freifunk-watchdog/src/watchdog.h b/contrib/package/freifunk-watchdog/src/watchdog.h
index d11396f80..6f2382de3 100644
--- a/contrib/package/freifunk-watchdog/src/watchdog.h
+++ b/contrib/package/freifunk-watchdog/src/watchdog.h
@@ -13,7 +13,7 @@
  *   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>
+ *   Copyright (C) 2009 Jo-Philipp Wich <jow@openwrt.org>
  */
 
 #include <stdio.h>
@@ -28,25 +28,45 @@
 #include <fcntl.h>
 #include <math.h>
 #include <time.h>
+#include <signal.h>
+#include <limits.h>
+#include <sys/wait.h>
 #include <sys/stat.h>
 #include <sys/ioctl.h>
 #include <sys/socket.h>
+#include <linux/types.h>
+#include <linux/watchdog.h>
 
 #include "ucix.h"
 #include "wireless.22.h"
 
 
-/* Check interval */
-#define INTERVAL		30
+/* Watchdog poll interval */
+#define BASE_INTERVAL	5
+
+/* Action interval (N * BASE_INTERVAL) */
+#define ACTION_INTERVAL	6
+
+/* Hysteresis */
+#define HYSTERESIS		3
 
 /* How to call myself in the logs */
 #define SYSLOG_IDENT	"Freifunk Watchdog"
 
+/* Process error action */
+#define PROC_ACTION		curr_proc->initscript, curr_proc->initscript, "restart"
+
 /* 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"
+/* Watchdog device */
+#define WATCH_DEVICE	"/dev/watchdog"
+#define WATCH_SHUTDOWN	'V'
+#define WATCH_KEEPALIVE	'\0'
+
+/* System load error action and treshold */
+#define LOAD_TRESHOLD	15.00
+#define LOAD_ACTION		"/sbin/reboot", "/sbin/reboot"
 
 /* Fallback binary name (passed by makefile) */
 #ifndef BINARY
@@ -63,7 +83,7 @@ struct wifi_tuple {
 };
 
 /* structure to hold tuple-list and uci context during iteration */
-struct uci_itr_ctx {
+struct uci_wifi_iface_itr_ctx {
 	struct wifi_tuple *list;
 	struct uci_context *ctx;
 };
@@ -71,6 +91,23 @@ struct uci_itr_ctx {
 typedef struct wifi_tuple wifi_tuple_t;
 
 
+/* process name/exec tuples */
+struct process_tuple {
+	char process[PATH_MAX + 1];
+	char initscript[PATH_MAX + 1];
+	int restart;
+	struct process_tuple *next;
+};
+
+/* structure to hold tuple-list and uci context during iteration */
+struct uci_process_itr_ctx {
+	struct process_tuple *list;
+	struct uci_context *ctx;
+};
+
+typedef struct process_tuple process_tuple_t;
+
+
 /* ioctl() helper (stolen from iwlib) */
 static inline int
 iw_ioctl(int                  skfd,           /* Socket to the kernel */
@@ -86,22 +123,20 @@ iw_ioctl(int                  skfd,           /* Socket to the kernel */
 }
 
 /* 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;											\
-		}																\
+#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)