Merge branch 'master' of ctdb into 'master' of samba

Signed-off-by: Stefan Metzmacher <metze@samba.org>
Signed-off-by: Michael Adam <obnox@samba.org>

1 files changed, 119 insertions, 0 deletions

diff --git a/ctdb/lib/tevent/tevent_debug.c b/ctdb/lib/tevent/tevent_debug.c
new file mode 100644
index 0000000000..31da7b9683
--- /dev/null
+++ b/ctdb/lib/tevent/tevent_debug.c
@@ -0,0 +1,119 @@
+/*
+   Unix SMB/CIFS implementation.
+
+   Copyright (C) Andrew Tridgell 2005
+   Copyright (C) Jelmer Vernooij 2005
+
+     ** NOTE! The following LGPL license applies to the tevent
+     ** library. This does NOT imply that all of Samba is released
+     ** under the LGPL
+
+   This library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 3 of the License, or (at your option) any later version.
+
+   This library 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
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with this library; if not, see <http://www.gnu.org/licenses/>.
+*/
+
+#include "replace.h"
+#include "tevent.h"
+#include "tevent_internal.h"
+
+/********************************************************************
+ * Debug wrapper functions, modeled (with lot's of code copied as is)
+ * after the ev debug wrapper functions
+ ********************************************************************/
+
+/*
+  this allows the user to choose their own debug function
+*/
+int tevent_set_debug(struct tevent_context *ev,
+		     void (*debug)(void *context,
+				   enum tevent_debug_level level,
+				   const char *fmt,
+				   va_list ap) PRINTF_ATTRIBUTE(3,0),
+		     void *context)
+{
+	ev->debug_ops.debug = debug;
+	ev->debug_ops.context = context;
+	return 0;
+}
+
+/*
+  debug function for ev_set_debug_stderr
+*/
+static void tevent_debug_stderr(void *private_data,
+				enum tevent_debug_level level,
+				const char *fmt,
+				va_list ap) PRINTF_ATTRIBUTE(3,0);
+static void tevent_debug_stderr(void *private_data,
+				enum tevent_debug_level level,
+				const char *fmt, va_list ap)
+{
+	if (level <= TEVENT_DEBUG_WARNING) {
+		vfprintf(stderr, fmt, ap);
+	}
+}
+
+/*
+  convenience function to setup debug messages on stderr
+  messages of level TEVENT_DEBUG_WARNING and higher are printed
+*/
+int tevent_set_debug_stderr(struct tevent_context *ev)
+{
+	return tevent_set_debug(ev, tevent_debug_stderr, ev);
+}
+
+/*
+ * log a message
+ *
+ * The default debug action is to ignore debugging messages.
+ * This is the most appropriate action for a library.
+ * Applications using the library must decide where to
+ * redirect debugging messages
+*/
+void tevent_debug(struct tevent_context *ev, enum tevent_debug_level level,
+		  const char *fmt, ...)
+{
+	va_list ap;
+	if (!ev) {
+		return;
+	}
+	if (ev->debug_ops.debug == NULL) {
+		return;
+	}
+	va_start(ap, fmt);
+	ev->debug_ops.debug(ev->debug_ops.context, level, fmt, ap);
+	va_end(ap);
+}
+
+void tevent_set_trace_callback(struct tevent_context *ev,
+			       tevent_trace_callback_t cb,
+			       void *private_data)
+{
+	ev->tracing.callback = cb;
+	ev->tracing.private_data = private_data;
+}
+
+void tevent_get_trace_callback(struct tevent_context *ev,
+			       tevent_trace_callback_t *cb,
+			       void *private_data)
+{
+	*cb = ev->tracing.callback;
+	*(void**)private_data = ev->tracing.private_data;
+}
+
+void tevent_trace_point_callback(struct tevent_context *ev,
+				 enum tevent_trace_point tp)
+{
+	if (ev->tracing.callback != NULL) {
+		ev->tracing.callback(tp, ev->tracing.private_data);
+	}
+}