if (caa_likely(!ctx))
return 0;
+ offset += lib_ring_buffer_align(offset, ctx->largest_align);
for (i = 0; i < ctx->nr_fields; i++)
offset += ctx->fields[i].get_size(offset);
return offset - orig_offset;
if (caa_likely(!ctx))
return;
+ lib_ring_buffer_align_ctx(bufctx, ctx->largest_align);
for (i = 0; i < ctx->nr_fields; i++)
ctx->fields[i].record(&ctx->fields[i], bufctx, chan);
}
* contains.
*/
static __inline__
-unsigned char record_header_size(const struct lttng_ust_lib_ring_buffer_config *config,
+size_t record_header_size(const struct lttng_ust_lib_ring_buffer_config *config,
struct channel *chan, size_t offset,
size_t *pre_header_padding,
struct lttng_ust_lib_ring_buffer_ctx *ctx)
handle);
struct lttng_channel *lttng_chan = channel_get_private(chan);
+ assert(header);
+ if (!header)
+ return;
header->magic = CTF_MAGIC_NUMBER;
memcpy(header->uuid, lttng_chan->uuid, sizeof(lttng_chan->uuid));
header->stream_id = lttng_chan->id;
handle);
unsigned long records_lost = 0;
+ assert(header);
+ if (!header)
+ return;
header->ctx.timestamp_end = tsc;
header->ctx.content_size =
(uint64_t) data_size * CHAR_BIT; /* in bits */
{
}
+static void client_content_size_field(const struct lttng_ust_lib_ring_buffer_config *config,
+ size_t *offset, size_t *length)
+{
+ *offset = offsetof(struct packet_header, ctx.content_size);
+ *length = sizeof(((struct packet_header *) NULL)->ctx.content_size);
+}
+
+static void client_packet_size_field(const struct lttng_ust_lib_ring_buffer_config *config,
+ size_t *offset, size_t *length)
+{
+ *offset = offsetof(struct packet_header, ctx.packet_size);
+ *length = sizeof(((struct packet_header *) NULL)->ctx.packet_size);
+}
+
static struct packet_header *client_packet_header(struct lttng_ust_lib_ring_buffer *buf,
struct lttng_ust_shm_handle *handle)
{
struct packet_header *header;
header = client_packet_header(buf, handle);
+ if (!header)
+ return -1;
*timestamp_begin = header->ctx.timestamp_begin;
return 0;
}
struct packet_header *header;
header = client_packet_header(buf, handle);
+ if (!header)
+ return -1;
*timestamp_end = header->ctx.timestamp_end;
return 0;
}
struct packet_header *header;
header = client_packet_header(buf, handle);
+ if (!header)
+ return -1;
*events_discarded = header->ctx.events_discarded;
return 0;
}
struct packet_header *header;
header = client_packet_header(buf, handle);
+ if (!header)
+ return -1;
*content_size = header->ctx.content_size;
return 0;
}
struct packet_header *header;
header = client_packet_header(buf, handle);
+ if (!header)
+ return -1;
*packet_size = header->ctx.packet_size;
return 0;
}
struct packet_header *header;
header = client_packet_header(buf, handle);
+ if (!header)
+ return -1;
*stream_id = header->stream_id;
return 0;
}
.buffer_end = client_buffer_end,
.buffer_create = client_buffer_create,
.buffer_finalize = client_buffer_finalize,
+ .content_size_field = client_content_size_field,
+ .packet_size_field = client_packet_size_field,
},
.timestamp_begin = client_timestamp_begin,
.timestamp_end = client_timestamp_end,
.cb.buffer_end = client_buffer_end,
.cb.buffer_create = client_buffer_create,
.cb.buffer_finalize = client_buffer_finalize,
+ .cb.content_size_field = client_content_size_field,
+ .cb.packet_size_field = client_packet_size_field,
.tsc_bits = LTTNG_COMPACT_TSC_BITS,
.alloc = RING_BUFFER_ALLOC_PER_CPU,
unsigned int switch_timer_interval,
unsigned int read_timer_interval,
unsigned char *uuid,
- uint32_t chan_id)
+ uint32_t chan_id,
+ const int *stream_fds, int nr_stream_fds)
{
struct lttng_channel chan_priv_init;
struct lttng_ust_shm_handle *handle;
sizeof(struct lttng_channel),
&chan_priv_init,
buf_addr, subbuf_size, num_subbuf,
- switch_timer_interval, read_timer_interval);
+ switch_timer_interval, read_timer_interval,
+ stream_fds, nr_stream_fds);
if (!handle)
return NULL;
lttng_chan = priv;
lib_ring_buffer_write(&client_config, ctx, src, len);
}
+static
+void lttng_event_strcpy(struct lttng_ust_lib_ring_buffer_ctx *ctx, const char *src,
+ size_t len)
+{
+ lib_ring_buffer_strcpy(&client_config, ctx, src, len, '#');
+}
+
#if 0
static
wait_queue_head_t *lttng_get_reader_wait_queue(struct channel *chan)
.ops = {
.channel_create = _channel_create,
.channel_destroy = lttng_channel_destroy,
+ .u.has_strcpy = 1,
.event_reserve = lttng_event_reserve,
.event_commit = lttng_event_commit,
.event_write = lttng_event_write,
.is_finalized = lttng_is_finalized,
.is_disabled = lttng_is_disabled,
.flush_buffer = lttng_flush_buffer,
+ .event_strcpy = lttng_event_strcpy,
},
.client_config = &client_config,
};