Adding upstream version 1:2.3.19.1+dfsg1.upstream/1%2.3.19.1+dfsg1upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 32 insertions, 0 deletions

diff --git a/src/lib/log-throttle.h b/src/lib/log-throttle.h
new file mode 100644
index 0000000..be98239
--- /dev/null
+++ b/src/lib/log-throttle.h
@@ -0,0 +1,32 @@
+#ifndef LOG_THROTTLE_H
+#define LOG_THROTTLE_H
+
+struct log_throttle_settings {
+	/* Start throttling after we reach this many log events/interval. */
+	unsigned int throttle_at_max_per_interval;
+	/* Throttling continues until there's only this many or below
+	   log events/interval. */
+	unsigned int unthrottle_at_max_per_interval;
+	/* Interval unit in milliseconds. The throttled-callback is also called
+	   at this interval. Default (0) is 1000 milliseconds. */
+	unsigned int interval_msecs;
+};
+
+typedef void
+log_throttle_callback_t(unsigned int new_events_count, void *context);
+
+struct log_throttle *
+log_throttle_init(const struct log_throttle_settings *set,
+		  log_throttle_callback_t *callback, void *context);
+#define log_throttle_init(set, callback, context) \
+	log_throttle_init(set - \
+		CALLBACK_TYPECHECK(callback, void (*)(unsigned int, typeof(context))), \
+		(log_throttle_callback_t *)callback, context)
+void log_throttle_deinit(struct log_throttle **throttle);
+
+/* Increase event count. Returns TRUE if the event should be logged,
+   FALSE if it's throttled. ioloop_timeval is used to determine the current
+   time. */
+bool log_throttle_accept(struct log_throttle *throttle);
+
+#endif