#ifndef _LTTNG_USTCONSUMER_H
#define _LTTNG_USTCONSUMER_H
-#include <config.h>
#include <errno.h>
-#include <common/consumer.h>
+#include <common/consumer/consumer.h>
+#include <stdbool.h>
#ifdef HAVE_LIBLTTNG_UST_CTL
-/*
- * Take a snapshot for a specific fd
- *
- * Returns 0 on success, < 0 on error
- */
-int lttng_ustconsumer_take_snapshot(struct lttng_consumer_local_data *ctx,
- struct lttng_consumer_stream *stream);
+int lttng_ustconsumer_take_snapshot(struct lttng_consumer_stream *stream);
+int lttng_ustconsumer_sample_snapshot_positions(
+ struct lttng_consumer_stream *stream);
-/*
- * Get the produced position
- *
- * Returns 0 on success, < 0 on error
- */
int lttng_ustconsumer_get_produced_snapshot(
- struct lttng_consumer_local_data *ctx,
- struct lttng_consumer_stream *stream,
- unsigned long *pos);
+ struct lttng_consumer_stream *stream, unsigned long *pos);
+int lttng_ustconsumer_get_consumed_snapshot(
+ struct lttng_consumer_stream *stream, unsigned long *pos);
int lttng_ustconsumer_recv_cmd(struct lttng_consumer_local_data *ctx,
int sock, struct pollfd *consumer_sockpoll);
extern int lttng_ustconsumer_allocate_channel(struct lttng_consumer_channel *chan);
extern void lttng_ustconsumer_del_channel(struct lttng_consumer_channel *chan);
+extern void lttng_ustconsumer_free_channel(struct lttng_consumer_channel *chan);
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);
-extern int lttng_ustctl_get_mmap_read_offset(
- struct lttng_ust_shm_handle *handle,
- struct lttng_ust_lib_ring_buffer *buf, unsigned long *off);
-int lttng_ustconsumer_data_available(struct lttng_consumer_stream *stream);
+int lttng_ustctl_get_mmap_read_offset(struct lttng_consumer_stream *stream,
+ unsigned long *off);
+void *lttng_ustctl_get_mmap_base(struct lttng_consumer_stream *stream);
+void lttng_ustctl_flush_buffer(struct lttng_consumer_stream *stream,
+ int producer_active);
+int lttng_ustconsumer_get_stream_id(struct lttng_consumer_stream *stream,
+ uint64_t *stream_id);
+int lttng_ustconsumer_data_pending(struct lttng_consumer_stream *stream);
+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, 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);
+int lttng_ustconsumer_get_current_timestamp(
+ struct lttng_consumer_stream *stream, uint64_t *ts);
+int lttng_ustconsumer_get_sequence_number(
+ struct lttng_consumer_stream *stream, uint64_t *seq);
#else /* HAVE_LIBLTTNG_UST_CTL */
}
static inline
-int lttng_ustconsumer_take_snapshot(struct lttng_consumer_local_data *ctx,
- struct lttng_consumer_stream *stream)
+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_local_data *ctx,
- struct lttng_consumer_stream *stream,
- unsigned long *pos)
+ struct lttng_consumer_stream *stream, unsigned long *pos)
+{
+ return -ENOSYS;
+}
+
+static inline
+int lttng_ustconsumer_get_consumed_snapshot(
+ struct lttng_consumer_stream *stream, unsigned long *pos)
{
return -ENOSYS;
}
{
}
+static inline
+void lttng_ustconsumer_free_channel(struct lttng_consumer_channel *chan)
+{
+}
+
static inline
int lttng_ustconsumer_add_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;
}
}
static inline
-int lttng_ustctl_get_mmap_read_offset(struct lttng_ust_shm_handle *handle,
- struct lttng_ust_lib_ring_buffer *buf, unsigned long *off)
+int lttng_ustctl_get_mmap_read_offset(struct lttng_consumer_stream *stream,
+ unsigned long *off)
+{
+ return -ENOSYS;
+}
+static inline
+int lttng_ustconsumer_data_pending(struct lttng_consumer_stream *stream)
+{
+ return -ENOSYS;
+}
+static inline
+void *lttng_ustctl_get_mmap_base(struct lttng_consumer_stream *stream)
+{
+ return NULL;
+}
+static inline
+void lttng_ustctl_flush_buffer(struct lttng_consumer_stream *stream,
+ int producer_active)
+{
+}
+static inline
+void lttng_ustconsumer_close_all_metadata(struct lttng_ht *ht)
+{
+}
+static inline
+void lttng_ustconsumer_close_metadata(struct lttng_consumer_channel *metadata)
+{
+}
+static inline
+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, uint64_t version,
+ struct lttng_consumer_channel *channel, int timer)
+{
+ return -ENOSYS;
+}
+static inline
+int lttng_ustconsumer_request_metadata(struct lttng_consumer_local_data *ctx,
+ struct lttng_consumer_channel *channel, int timer, int wait)
+{
+ return -ENOSYS;
+}
+static inline
+int lttng_ustconsumer_sync_metadata(struct lttng_consumer_local_data *ctx,
+ struct lttng_consumer_stream *metadata)
+{
+ return -ENOSYS;
+}
+static inline
+void lttng_ustconsumer_flush_buffer(struct lttng_consumer_stream *stream,
+ int producer)
+{
+}
+static inline
+int lttng_ustconsumer_get_current_timestamp(
+ struct lttng_consumer_stream *stream, uint64_t *ts)
+{
+ return -ENOSYS;
+}
+static inline
+int lttng_ustconsumer_get_sequence_number(
+ struct lttng_consumer_stream *stream, uint64_t *seq)
{
return -ENOSYS;
}
static inline
-int lttng_ustconsumer_data_available(struct lttng_consumer_stream *stream)
+int lttng_ustconsumer_get_stream_id(struct lttng_consumer_stream *stream,
+ uint64_t *stream_id)
{
return -ENOSYS;
}