From fdb4c02f595fa207310a9a48da3fefd653fa9e4b Mon Sep 17 00:00:00 2001
From: Ronnie Sahlberg <ronniesahlberg@gmail.com>
Date: Wed, 22 Sep 2010 10:59:01 +1000
Subject: [PATCH] set up a handler to catch and log debug messages from the
 tevent layer

---
 include/ctdb_private.h |  2 ++
 server/ctdb_daemon.c   |  5 +++++
 server/ctdb_logging.c  | 40 ++++++++++++++++++++++++++++++++++++++++
 server/ctdbd.c         |  1 +
 4 files changed, 48 insertions(+)

diff --git a/include/ctdb_private.h b/include/ctdb_private.h
index 8ceae204..cd6aeec1 100644
--- a/include/ctdb_private.h
+++ b/include/ctdb_private.h
@@ -1337,4 +1337,6 @@ int verify_remote_ip_allocation(struct ctdb_context *ctdb,
 int update_ip_assignment_tree(struct ctdb_context *ctdb,
 				struct ctdb_public_ip *ip);
 
+int ctdb_init_tevent_logging(struct ctdb_context *ctdb);
+
 #endif
diff --git a/server/ctdb_daemon.c b/server/ctdb_daemon.c
index 5d73b0d5..418d91ed 100644
--- a/server/ctdb_daemon.c
+++ b/server/ctdb_daemon.c
@@ -774,6 +774,11 @@ int ctdb_start_daemon(struct ctdb_context *ctdb, bool do_fork, bool use_syslog)
 
 	ctdb->ev = event_context_init(NULL);
 	tevent_loop_allow_nesting(ctdb->ev);
+	ret = ctdb_init_tevent_logging(ctdb);
+	if (ret != 0) {
+		DEBUG(DEBUG_ALERT,("Failed to initialize TEVENT logging\n"));
+		exit(1);
+	}
 
 	ctdb_set_child_logging(ctdb);
 
diff --git a/server/ctdb_logging.c b/server/ctdb_logging.c
index 2cc05593..7e5367ea 100644
--- a/server/ctdb_logging.c
+++ b/server/ctdb_logging.c
@@ -547,6 +547,46 @@ int ctdb_set_child_logging(struct ctdb_context *ctdb)
 }
 
 
+/*
+ * set up a log handler to catch logging from TEVENT
+ */
+static void ctdb_tevent_logging(void *private_data,
+				enum tevent_debug_level level,
+				const char *fmt,
+				va_list ap)
+{
+	enum debug_level lvl = DEBUG_EMERG;
+
+	switch (level) {
+	case TEVENT_DEBUG_FATAL:
+		lvl = DEBUG_EMERG;
+		break;
+	case TEVENT_DEBUG_ERROR:
+		lvl = DEBUG_ERR;
+		break;
+	case TEVENT_DEBUG_WARNING:
+		lvl = DEBUG_WARNING;
+		break;
+	case TEVENT_DEBUG_TRACE:
+		lvl = DEBUG_DEBUG;
+		break;
+	}
+
+	if (lvl <= LogLevel) {
+		this_log_level = lvl;
+		do_debug_v(fmt, ap);
+	}
+}
+
+int ctdb_init_tevent_logging(struct ctdb_context *ctdb)
+{
+	int ret;
+
+	ret = tevent_set_debug(ctdb->ev,
+			ctdb_tevent_logging,
+		     	ctdb);
+	return ret;
+}
 
 
 	
diff --git a/server/ctdbd.c b/server/ctdbd.c
index 89b9af17..674ebab6 100644
--- a/server/ctdbd.c
+++ b/server/ctdbd.c
@@ -195,6 +195,7 @@ int main(int argc, const char *argv[])
 	}
 
 	DEBUG(DEBUG_NOTICE,("Starting CTDB daemon\n"));
+
 	gettimeofday(&ctdb->ctdbd_start_time, NULL);
 	gettimeofday(&ctdb->last_recovery_started, NULL);
 	gettimeofday(&ctdb->last_recovery_finished, NULL);
-- 
2.34.1