X-Git-Url: https://git.lttng.org/?p=lttng-tools.git;a=blobdiff_plain;f=src%2Fcommon%2Fust-consumer%2Fust-consumer.h;h=bd32337002dc826adf5a6c12262983cf02b30a51;hp=0089ddf17ab250efa064b539a148cc956cf1034a;hb=edf4b93e2f5c849cbec49e987990b3705ea49f6a;hpb=4078b776c9382a540125d810bcd7cca3a8c84bc8 diff --git a/src/common/ust-consumer/ust-consumer.h b/src/common/ust-consumer/ust-consumer.h index 0089ddf17..bd3233700 100644 --- a/src/common/ust-consumer/ust-consumer.h +++ b/src/common/ust-consumer/ust-consumer.h @@ -1,70 +1,36 @@ /* - * Copyright (C) 2011 - Julien Desfossez - * Copyright (C) 2011 - Mathieu Desnoyers + * Copyright (C) 2011 Julien Desfossez + * Copyright (C) 2011 Mathieu Desnoyers * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * as published by the Free Software Foundation; only version 2 - * of the License. + * SPDX-License-Identifier: GPL-2.0-only * - * This program 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 General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ #ifndef _LTTNG_USTCONSUMER_H #define _LTTNG_USTCONSUMER_H -#include -#include - -#include +#include +#include +#include #ifdef HAVE_LIBLTTNG_UST_CTL -/* - * Mmap the ring buffer, read it and write the data to the tracefile. - * - * Returns the number of bytes written, else negative value on error. - */ -extern ssize_t lttng_ustconsumer_on_read_subbuffer_mmap( - struct lttng_consumer_local_data *ctx, - struct lttng_consumer_stream *stream, unsigned long len); +int lttng_ustconsumer_take_snapshot(struct lttng_consumer_stream *stream); +int lttng_ustconsumer_sample_snapshot_positions( + struct lttng_consumer_stream *stream); -/* Not implemented */ -extern ssize_t lttng_ustconsumer_on_read_subbuffer_splice( - struct lttng_consumer_local_data *ctx, - struct lttng_consumer_stream *stream, unsigned long len); - -/* - * 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); - -/* - * 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 int lttng_ustconsumer_allocate_stream(struct lttng_consumer_stream *stream); +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, @@ -73,12 +39,37 @@ int lttng_ustconsumer_on_recv_stream(struct lttng_consumer_stream *stream); void lttng_ustconsumer_on_stream_hangup(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); +enum sync_metadata_status 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( + struct lttng_consumer_stream *stream, uint64_t *seq); + #else /* HAVE_LIBLTTNG_UST_CTL */ static inline ssize_t lttng_ustconsumer_on_read_subbuffer_mmap( struct lttng_consumer_local_data *ctx, - struct lttng_consumer_stream *stream, unsigned long len) + struct lttng_consumer_stream *stream, unsigned long len, + unsigned long padding) { return -ENOSYS; } @@ -86,23 +77,35 @@ ssize_t lttng_ustconsumer_on_read_subbuffer_mmap( static inline ssize_t lttng_ustconsumer_on_read_subbuffer_splice( struct lttng_consumer_local_data *ctx, - struct lttng_consumer_stream *uststream, unsigned long len) + struct lttng_consumer_stream *uststream, unsigned long len, + unsigned long padding) +{ + return -ENOSYS; +} + +static inline +int lttng_ustconsumer_take_snapshot(struct lttng_consumer_stream *stream) { return -ENOSYS; } static inline -int lttng_ustconsumer_take_snapshot(struct lttng_consumer_local_data *ctx, - struct lttng_consumer_stream *stream) +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; } @@ -126,7 +129,12 @@ void lttng_ustconsumer_del_channel(struct lttng_consumer_channel *chan) } static inline -int lttng_ustconsumer_allocate_stream(struct lttng_consumer_stream *stream) +void lttng_ustconsumer_free_channel(struct lttng_consumer_channel *chan) +{ +} + +static inline +int lttng_ustconsumer_add_stream(struct lttng_consumer_stream *stream) { return -ENOSYS; } @@ -154,6 +162,85 @@ void lttng_ustconsumer_on_stream_hangup(struct lttng_consumer_stream *stream) { } +static inline +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 +enum sync_metadata_status lttng_ustconsumer_sync_metadata(struct lttng_consumer_local_data *ctx, + struct lttng_consumer_stream *metadata) +{ + return SYNC_METADATA_STATUS_ERROR; +} +static inline +void lttng_ustconsumer_flush_buffer(struct lttng_consumer_stream *stream, + int producer) +{ +} +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) +{ + 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_get_stream_id(struct lttng_consumer_stream *stream, + uint64_t *stream_id) +{ + return -ENOSYS; +} #endif /* HAVE_LIBLTTNG_UST_CTL */ #endif /* _LTTNG_USTCONSUMER_H */