Consumer: implement LTTNG_CONSUMER_CLEAR_CHANNEL

[lttng-tools.git] / src / common / ust-consumer / ust-consumer.h

diff --git a/src/common/ust-consumer/ust-consumer.h b/src/common/ust-consumer/ust-consumer.h
index f933e90dc9ce689b8ba0560cac8b2fd0b7ccfab7..6b850d8c1c85779eee5e82eaad1d5f749b0bde65 100644 (file)
--- a/src/common/ust-consumer/ust-consumer.h
+++ b/src/common/ust-consumer/ust-consumer.h
@@ -22,10 +22,13 @@
 #include <errno.h>
 
 #include <common/consumer/consumer.h>
+#include <stdbool.h>
 
 #ifdef HAVE_LIBLTTNG_UST_CTL
 
 int lttng_ustconsumer_take_snapshot(struct lttng_consumer_stream *stream);
+int lttng_ustconsumer_sample_snapshot_positions(
+               struct lttng_consumer_stream *stream);
 
 int lttng_ustconsumer_get_produced_snapshot(
                struct lttng_consumer_stream *stream, unsigned long *pos);
@@ -42,7 +45,7 @@ extern int lttng_ustconsumer_add_stream(struct lttng_consumer_stream *stream);
 extern void lttng_ustconsumer_del_stream(struct lttng_consumer_stream *stream);
 
 int lttng_ustconsumer_read_subbuffer(struct lttng_consumer_stream *stream,
-               struct lttng_consumer_local_data *ctx);
+               struct lttng_consumer_local_data *ctx, bool *rotated);
 int lttng_ustconsumer_on_recv_stream(struct lttng_consumer_stream *stream);
 
 void lttng_ustconsumer_on_stream_hangup(struct lttng_consumer_stream *stream);
@@ -57,14 +60,15 @@ void lttng_ustconsumer_close_all_metadata(struct lttng_ht *ht);
 void lttng_ustconsumer_close_metadata(struct lttng_consumer_channel *metadata);
 void lttng_ustconsumer_close_stream_wakeup(struct lttng_consumer_stream *stream);
 int lttng_ustconsumer_recv_metadata(int sock, uint64_t key, uint64_t offset,
-               uint64_t len, struct lttng_consumer_channel *channel,
-               int timer, int wait);
+               uint64_t len, uint64_t version,
+               struct lttng_consumer_channel *channel, int timer, int wait);
 int lttng_ustconsumer_request_metadata(struct lttng_consumer_local_data *ctx,
                struct lttng_consumer_channel *channel, int timer, int wait);
 int lttng_ustconsumer_sync_metadata(struct lttng_consumer_local_data *ctx,
                struct lttng_consumer_stream *metadata);
 void lttng_ustconsumer_flush_buffer(struct lttng_consumer_stream *stream,
                int producer);
+void lttng_ustconsumer_clear_buffer(struct lttng_consumer_stream *stream);
 int lttng_ustconsumer_get_current_timestamp(
                struct lttng_consumer_stream *stream, uint64_t *ts);
 int lttng_ustconsumer_get_sequence_number(
@@ -96,6 +100,13 @@ int lttng_ustconsumer_take_snapshot(struct lttng_consumer_stream *stream)
        return -ENOSYS;
 }
 
+static inline
+int lttng_ustconsumer_sample_snapshot_positions(
+               struct lttng_consumer_stream *stream)
+{
+       return -ENOSYS;
+}
+
 static inline
 int lttng_ustconsumer_get_produced_snapshot(
                struct lttng_consumer_stream *stream, unsigned long *pos)
@@ -103,6 +114,13 @@ int lttng_ustconsumer_get_produced_snapshot(
        return -ENOSYS;
 }
 
+static inline
+int lttng_ustconsumer_get_consumed_snapshot(
+               struct lttng_consumer_stream *stream, unsigned long *pos)
+{
+       return -ENOSYS;
+}
+
 static inline
 int lttng_ustconsumer_recv_cmd(struct lttng_consumer_local_data *ctx,
                int sock, struct pollfd *consumer_sockpoll)
@@ -139,7 +157,7 @@ void lttng_ustconsumer_del_stream(struct lttng_consumer_stream *stream)
 
 static inline
 int lttng_ustconsumer_read_subbuffer(struct lttng_consumer_stream *stream,
-               struct lttng_consumer_local_data *ctx)
+               struct lttng_consumer_local_data *ctx, bool *rotated)
 {
        return -ENOSYS;
 }
@@ -185,8 +203,8 @@ void lttng_ustconsumer_close_stream_wakeup(struct lttng_consumer_stream *stream)
 }
 static inline
 int lttng_ustconsumer_recv_metadata(int sock, uint64_t key, uint64_t offset,
-               uint64_t len, struct lttng_consumer_channel *channel,
-               int timer)
+               uint64_t len, uint64_t version,
+               struct lttng_consumer_channel *channel, int timer)
 {
        return -ENOSYS;
 }
@@ -208,6 +226,10 @@ void lttng_ustconsumer_flush_buffer(struct lttng_consumer_stream *stream,
 {
 }
 static inline
+void lttng_ustconsumer_clear_buffer(struct lttng_consumer_stream *stream)
+{
+}
+static inline
 int lttng_ustconsumer_get_current_timestamp(
                struct lttng_consumer_stream *stream, uint64_t *ts)
 {