Initial "watchdog" support

git-svn-id: http://svn.digium.com/svn/zaptel/trunk@180 5390a7c7-147a-4af0-8ec9-7488f05a26cb

1 files changed, 17 insertions, 0 deletions

diff --git a/zaptel.h b/zaptel.h
index b91573a..a7a0ff2 100755
--- a/zaptel.h
+++ b/zaptel.h
@@ -1161,8 +1161,25 @@ struct zt_span {
 #ifdef CONFIG_DEVFS_FS
 	devfs_handle_t dhandle;  /* Directory name */
 #endif	
+	/* If the watchdog detects no received data, it will call the
+	   watchdog routine */
+	int (*watchdog)(struct zt_span *span, int cause);
+#ifdef CONFIG_ZAPTEL_WATCHDOG
+	int watchcounter;
+	int watchstate;
+#endif	
 };
 
+#define ZT_WATCHDOG_NOINTS		(1 << 0)
+
+#define ZT_WATCHDOG_INIT			1000
+
+#define ZT_WATCHSTATE_UNKNOWN		0
+#define ZT_WATCHSTATE_OK			1
+#define ZT_WATCHSTATE_RECOVERING	2
+#define ZT_WATCHSTATE_FAILED		3
+
+
 struct zt_dynamic_driver {
 	/* Driver name (e.g. Eth) */
 	char name[20];