*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
*/
#include <babeltrace/format.h>
#include "events-private.h"
#include "memstream.h"
+#define LOG2_CHAR_BIT 3
+
+/*
+ * Length of first attempt at mapping a packet header, in bits.
+ */
+#define DEFAULT_HEADER_LEN (getpagesize() * CHAR_BIT)
+
/*
- * We currently simply map a page to read the packet header and packet
- * context to get the packet length and content length. (in bits)
+ * Lenght of packet to write, in bits.
*/
-#define MAX_PACKET_HEADER_LEN (getpagesize() * CHAR_BIT)
#define WRITE_PACKET_LEN (getpagesize() * 8 * CHAR_BIT)
#ifndef min
opt_clock_gmt;
uint64_t opt_clock_offset;
+uint64_t opt_clock_offset_ns;
extern int yydebug;
static
-struct trace_descriptor *ctf_open_trace(const char *path, int flags,
- void (*packet_seek)(struct stream_pos *pos, size_t index,
+struct bt_trace_descriptor *ctf_open_trace(const char *path, int flags,
+ void (*packet_seek)(struct bt_stream_pos *pos, size_t index,
int whence),
FILE *metadata_fp);
static
-struct trace_descriptor *ctf_open_mmap_trace(
- struct mmap_stream_list *mmap_list,
- void (*packet_seek)(struct stream_pos *pos, size_t index,
+struct bt_trace_descriptor *ctf_open_mmap_trace(
+ struct bt_mmap_stream_list *mmap_list,
+ void (*packet_seek)(struct bt_stream_pos *pos, size_t index,
int whence),
FILE *metadata_fp);
static
-void ctf_set_context(struct trace_descriptor *descriptor,
+void ctf_set_context(struct bt_trace_descriptor *descriptor,
struct bt_context *ctx);
static
-void ctf_set_handle(struct trace_descriptor *descriptor,
+void ctf_set_handle(struct bt_trace_descriptor *descriptor,
struct bt_trace_handle *handle);
static
-void ctf_close_trace(struct trace_descriptor *descriptor);
+int ctf_close_trace(struct bt_trace_descriptor *descriptor);
static
-uint64_t ctf_timestamp_begin(struct trace_descriptor *descriptor,
+uint64_t ctf_timestamp_begin(struct bt_trace_descriptor *descriptor,
struct bt_trace_handle *handle, enum bt_clock_type type);
static
-uint64_t ctf_timestamp_end(struct trace_descriptor *descriptor,
+uint64_t ctf_timestamp_end(struct bt_trace_descriptor *descriptor,
struct bt_trace_handle *handle, enum bt_clock_type type);
static
-int ctf_convert_index_timestamp(struct trace_descriptor *tdp);
+int ctf_convert_index_timestamp(struct bt_trace_descriptor *tdp);
static
rw_dispatch read_dispatch_table[] = {
};
static
-struct format ctf_format = {
+struct bt_format ctf_format = {
.open_trace = ctf_open_trace,
.open_mmap_trace = ctf_open_mmap_trace,
.close_trace = ctf_close_trace,
};
static
-uint64_t ctf_timestamp_begin(struct trace_descriptor *descriptor,
+uint64_t ctf_timestamp_begin(struct bt_trace_descriptor *descriptor,
struct bt_trace_handle *handle, enum bt_clock_type type)
{
struct ctf_trace *tin;
}
static
-uint64_t ctf_timestamp_end(struct trace_descriptor *descriptor,
+uint64_t ctf_timestamp_end(struct bt_trace_descriptor *descriptor,
struct bt_trace_handle *handle, enum bt_clock_type type)
{
struct ctf_trace *tin;
* Print timestamp, rescaling clock frequency to nanoseconds and
* applying offsets as needed (unix time).
*/
+static
void ctf_print_timestamp_real(FILE *fp,
struct ctf_stream_definition *stream,
uint64_t timestamp)
ts_nsec = timestamp;
+ /* Add command-line offset in ns*/
+ ts_nsec += opt_clock_offset_ns;
+
/* Add command-line offset */
ts_sec += opt_clock_offset;
/*
* Print timestamp, in cycles
*/
+static
void ctf_print_timestamp_cycles(FILE *fp,
struct ctf_stream_definition *stream,
uint64_t timestamp)
}
static
-int ctf_read_event(struct stream_pos *ppos, struct ctf_stream_definition *stream)
+void print_uuid(FILE *fp, unsigned char *uuid)
+{
+ int i;
+
+ for (i = 0; i < BABELTRACE_UUID_LEN; i++)
+ fprintf(fp, "%x", (unsigned int) uuid[i]);
+}
+
+void ctf_print_discarded(FILE *fp, struct ctf_stream_definition *stream,
+ int end_stream)
+{
+ fprintf(fp, "[warning] Tracer discarded %" PRIu64 " events %sbetween [",
+ stream->events_discarded,
+ end_stream ? "at end of stream " : "");
+ if (opt_clock_cycles) {
+ ctf_print_timestamp(fp, stream,
+ stream->prev_cycles_timestamp);
+ fprintf(fp, "] and [");
+ ctf_print_timestamp(fp, stream,
+ stream->prev_cycles_timestamp_end);
+ } else {
+ ctf_print_timestamp(fp, stream,
+ stream->prev_real_timestamp);
+ fprintf(fp, "] and [");
+ ctf_print_timestamp(fp, stream,
+ stream->prev_real_timestamp_end);
+ }
+ fprintf(fp, "] in trace UUID ");
+ print_uuid(fp, stream->stream_class->trace->uuid);
+ if (stream->stream_class->trace->parent.path[0])
+ fprintf(fp, ", at path: \"%s\"",
+ stream->stream_class->trace->parent.path);
+
+ fprintf(fp, ", within stream id %" PRIu64, stream->stream_id);
+ if (stream->path[0])
+ fprintf(fp, ", at relative path: \"%s\"", stream->path);
+ fprintf(fp, ". ");
+ fprintf(fp, "You should consider recording a new trace with larger "
+ "buffers or with fewer events enabled.\n");
+ fflush(fp);
+}
+
+static
+int ctf_read_event(struct bt_stream_pos *ppos, struct ctf_stream_definition *stream)
{
struct ctf_stream_pos *pos =
container_of(ppos, struct ctf_stream_pos, parent);
/* Read event header */
if (likely(stream->stream_event_header)) {
struct definition_integer *integer_definition;
- struct definition *variant;
+ struct bt_definition *variant;
ret = generic_rw(ppos, &stream->stream_event_header->p);
if (unlikely(ret))
goto error;
/* lookup event id */
- integer_definition = lookup_integer(&stream->stream_event_header->p, "id", FALSE);
+ integer_definition = bt_lookup_integer(&stream->stream_event_header->p, "id", FALSE);
if (integer_definition) {
id = integer_definition->value._unsigned;
} else {
struct definition_enum *enum_definition;
- enum_definition = lookup_enum(&stream->stream_event_header->p, "id", FALSE);
+ enum_definition = bt_lookup_enum(&stream->stream_event_header->p, "id", FALSE);
if (enum_definition) {
id = enum_definition->integer->value._unsigned;
}
}
- variant = lookup_variant(&stream->stream_event_header->p, "v");
+ variant = bt_lookup_variant(&stream->stream_event_header->p, "v");
if (variant) {
- integer_definition = lookup_integer(variant, "id", FALSE);
+ integer_definition = bt_lookup_integer(variant, "id", FALSE);
if (integer_definition) {
id = integer_definition->value._unsigned;
}
/* lookup timestamp */
stream->has_timestamp = 0;
- integer_definition = lookup_integer(&stream->stream_event_header->p, "timestamp", FALSE);
+ integer_definition = bt_lookup_integer(&stream->stream_event_header->p, "timestamp", FALSE);
if (integer_definition) {
ctf_update_timestamp(stream, integer_definition);
stream->has_timestamp = 1;
} else {
if (variant) {
- integer_definition = lookup_integer(variant, "timestamp", FALSE);
+ integer_definition = bt_lookup_integer(variant, "timestamp", FALSE);
if (integer_definition) {
ctf_update_timestamp(stream, integer_definition);
stream->has_timestamp = 1;
}
static
-int ctf_write_event(struct stream_pos *pos, struct ctf_stream_definition *stream)
+int ctf_write_event(struct bt_stream_pos *pos, struct ctf_stream_definition *stream)
{
struct ctf_stream_declaration *stream_class = stream->stream_class;
struct ctf_event_definition *event;
return ret;
}
-void ctf_init_pos(struct ctf_stream_pos *pos, int fd, int open_flags)
+int ctf_init_pos(struct ctf_stream_pos *pos, struct bt_trace_descriptor *trace,
+ int fd, int open_flags)
{
pos->fd = fd;
if (fd >= 0) {
pos->flags = MAP_PRIVATE;
pos->parent.rw_table = read_dispatch_table;
pos->parent.event_cb = ctf_read_event;
+ pos->parent.trace = trace;
break;
case O_RDWR:
pos->prot = PROT_WRITE; /* Write has priority */
pos->flags = MAP_SHARED;
pos->parent.rw_table = write_dispatch_table;
pos->parent.event_cb = ctf_write_event;
+ pos->parent.trace = trace;
if (fd >= 0)
ctf_packet_seek(&pos->parent, 0, SEEK_SET); /* position for write */
break;
default:
assert(0);
}
+ return 0;
}
-void ctf_fini_pos(struct ctf_stream_pos *pos)
+int ctf_fini_pos(struct ctf_stream_pos *pos)
{
- int ret;
-
if (pos->prot == PROT_WRITE && pos->content_size_loc)
*pos->content_size_loc = pos->offset;
if (pos->base_mma) {
+ int ret;
+
/* unmap old base */
ret = munmap_align(pos->base_mma);
if (ret) {
fprintf(stderr, "[error] Unable to unmap old base: %s.\n",
strerror(errno));
- assert(0);
+ return -1;
}
}
if (pos->packet_cycles_index)
(void) g_array_free(pos->packet_cycles_index, TRUE);
if (pos->packet_real_index)
(void) g_array_free(pos->packet_real_index, TRUE);
+ return 0;
}
/*
* for SEEK_CUR: go to next packet.
* for SEEK_POS: go to packet numer (index).
*/
-void ctf_packet_seek(struct stream_pos *stream_pos, size_t index, int whence)
+void ctf_packet_seek(struct bt_stream_pos *stream_pos, size_t index, int whence)
{
struct ctf_stream_pos *pos =
container_of(stream_pos, struct ctf_stream_pos, parent);
off_t off;
struct packet_index *packet_index;
+ switch (whence) {
+ case SEEK_CUR:
+ case SEEK_SET: /* Fall-through */
+ break; /* OK */
+ default:
+ assert(0);
+ }
+
if (pos->prot == PROT_WRITE && pos->content_size_loc)
*pos->content_size_loc = pos->offset;
pos->offset = 0;
} else {
read_next_packet:
+ if (pos->cur_index >= pos->packet_cycles_index->len) {
+ pos->offset = EOF;
+ return;
+ }
+ if (pos->cur_index >= pos->packet_real_index->len) {
+ pos->offset = EOF;
+ return;
+ }
switch (whence) {
case SEEK_CUR:
{
break;
}
case SEEK_SET:
+ packet_index = &g_array_index(pos->packet_cycles_index,
+ struct packet_index, index);
+ pos->last_events_discarded = packet_index->events_discarded;
pos->cur_index = index;
file_stream->parent.prev_real_timestamp = 0;
file_stream->parent.prev_real_timestamp_end = 0;
}
if (pos->cur_index >= pos->packet_real_index->len) {
/*
- * When a stream reaches the end of the
- * file, we need to show the number of
- * events discarded ourselves, because
- * there is no next event scheduled to
- * be printed in the output.
+ * We need to check if we are in trace read or
+ * called from packet indexing. In this last
+ * case, the collection is not there, so we
+ * cannot print the timestamps.
*/
- if (file_stream->parent.events_discarded) {
+ if ((&file_stream->parent)->stream_class->trace->parent.collection) {
/*
- * We need to check if we are in trace
- * read or called from packet indexing.
- * In this last case, the collection is
- * not there, so we cannot print the
- * timestamps.
+ * When a stream reaches the end of the
+ * file, we need to show the number of
+ * events discarded ourselves, because
+ * there is no next event scheduled to
+ * be printed in the output.
*/
- if ((&file_stream->parent)->stream_class->trace->collection) {
+ if (file_stream->parent.events_discarded) {
fflush(stdout);
- fprintf(stderr, "[warning] Tracer discarded %" PRIu64 " events at end of stream between [",
- file_stream->parent.events_discarded);
- if (opt_clock_cycles) {
- ctf_print_timestamp(stderr,
- &file_stream->parent,
- file_stream->parent.prev_cycles_timestamp);
- fprintf(stderr, "] and [");
- ctf_print_timestamp(stderr, &file_stream->parent,
- file_stream->parent.prev_cycles_timestamp_end);
- } else {
- ctf_print_timestamp(stderr,
- &file_stream->parent,
- file_stream->parent.prev_real_timestamp);
- fprintf(stderr, "] and [");
- ctf_print_timestamp(stderr, &file_stream->parent,
- file_stream->parent.prev_real_timestamp_end);
- }
- fprintf(stderr, "]. You should consider recording a new trace with larger buffers or with fewer events enabled.\n");
- fflush(stderr);
+ ctf_print_discarded(stderr,
+ &file_stream->parent,
+ 1);
+ file_stream->parent.events_discarded = 0;
}
- file_stream->parent.events_discarded = 0;
}
pos->offset = EOF;
return;
return -EINVAL;
}
+ if ((header.content_size / CHAR_BIT) < header_sizeof(header))
+ return -EINVAL;
+
toread = (header.content_size / CHAR_BIT) - header_sizeof(header);
for (;;) {
char **buf)
{
FILE *in, *out;
- size_t size;
+ size_t size, buflen;
int ret;
in = *fp;
/* close to flush the buffer */
ret = babeltrace_close_memstream(buf, &size, out);
if (ret < 0) {
+ int closeret;
+
perror("babeltrace_flush_memstream");
- fclose(in);
- return -errno;
+ ret = -errno;
+ closeret = fclose(in);
+ if (closeret) {
+ perror("Error in fclose");
+ }
+ return ret;
+ }
+ ret = fclose(in);
+ if (ret) {
+ perror("Error in fclose");
}
- fclose(in);
/* open for reading */
- *fp = babeltrace_fmemopen(*buf, strlen(*buf), "rb");
+ buflen = strlen(*buf);
+ if (!buflen) {
+ *fp = NULL;
+ return -ENOENT;
+ }
+ *fp = babeltrace_fmemopen(*buf, buflen, "rb");
if (!*fp) {
perror("Metadata fmemopen");
return -errno;
static
int ctf_open_trace_metadata_read(struct ctf_trace *td,
- void (*packet_seek)(struct stream_pos *pos, size_t index,
+ void (*packet_seek)(struct bt_stream_pos *pos, size_t index,
int whence), FILE *metadata_fp)
{
struct ctf_scanner *scanner;
struct ctf_file_stream *metadata_stream;
FILE *fp;
char *buf = NULL;
- int ret = 0;
+ int ret = 0, closeret;
metadata_stream = g_new0(struct ctf_file_stream, 1);
metadata_stream->pos.last_offset = LAST_OFFSET_POISON;
} else {
fprintf(stderr, "[error] packet_seek function undefined.\n");
ret = -1;
- goto end_stream;
+ goto end_free;
}
if (metadata_fp) {
metadata_stream->pos.fd = openat(td->dirfd, "metadata", O_RDONLY);
if (metadata_stream->pos.fd < 0) {
fprintf(stderr, "Unable to open metadata.\n");
- return metadata_stream->pos.fd;
+ ret = -1;
+ goto end_free;
}
fp = fdopen(metadata_stream->pos.fd, "r");
ret = -errno;
goto end_stream;
}
+ /* fd now belongs to fp */
+ metadata_stream->pos.fd = -1;
}
if (babeltrace_debug)
yydebug = 1;
if (packet_metadata(td, fp)) {
ret = ctf_open_trace_metadata_stream_read(td, &fp, &buf);
- if (ret)
+ if (ret) {
+ /* Warn about empty metadata */
+ fprintf(stderr, "[warning] Empty metadata.\n");
goto end_packet_read;
+ }
+ td->metadata_string = buf;
+ td->metadata_packetized = 1;
} else {
unsigned int major, minor;
ssize_t nr_items;
ctf_scanner_free(scanner);
end_scanner_alloc:
end_packet_read:
- if (fp)
- fclose(fp);
- free(buf);
+ if (fp) {
+ closeret = fclose(fp);
+ if (closeret) {
+ perror("Error on fclose");
+ }
+ }
end_stream:
- if (metadata_stream->pos.fd >= 0)
- close(metadata_stream->pos.fd);
+ if (metadata_stream->pos.fd >= 0) {
+ closeret = close(metadata_stream->pos.fd);
+ if (closeret) {
+ perror("Error on metadata stream fd close");
+ }
+ }
+end_free:
if (ret)
g_free(metadata_stream);
return ret;
struct ctf_event_definition *stream_event = g_new0(struct ctf_event_definition, 1);
if (event->context_decl) {
- struct definition *definition =
+ struct bt_definition *definition =
event->context_decl->p.definition_new(&event->context_decl->p,
stream->parent_def_scope, 0, 0, "event.context");
if (!definition) {
stream->parent_def_scope = stream_event->event_context->p.scope;
}
if (event->fields_decl) {
- struct definition *definition =
+ struct bt_definition *definition =
event->fields_decl->p.definition_new(&event->fields_decl->p,
stream->parent_def_scope, 0, 0, "event.fields");
if (!definition) {
error:
if (stream_event->event_fields)
- definition_unref(&stream_event->event_fields->p);
+ bt_definition_unref(&stream_event->event_fields->p);
if (stream_event->event_context)
- definition_unref(&stream_event->event_context->p);
+ bt_definition_unref(&stream_event->event_context->p);
+ fprintf(stderr, "[error] Unable to create event definition for event \"%s\".\n",
+ g_quark_to_string(event->name));
return NULL;
}
stream_class = stream->stream_class;
if (stream_class->packet_context_decl) {
- struct definition *definition =
+ struct bt_definition *definition =
stream_class->packet_context_decl->p.definition_new(&stream_class->packet_context_decl->p,
stream->parent_def_scope, 0, 0, "stream.packet.context");
if (!definition) {
stream->parent_def_scope = stream->stream_packet_context->p.scope;
}
if (stream_class->event_header_decl) {
- struct definition *definition =
+ struct bt_definition *definition =
stream_class->event_header_decl->p.definition_new(&stream_class->event_header_decl->p,
stream->parent_def_scope, 0, 0, "stream.event.header");
if (!definition) {
stream->parent_def_scope = stream->stream_event_header->p.scope;
}
if (stream_class->event_context_decl) {
- struct definition *definition =
+ struct bt_definition *definition =
stream_class->event_context_decl->p.definition_new(&stream_class->event_context_decl->p,
stream->parent_def_scope, 0, 0, "stream.event.context");
if (!definition) {
if (!event)
continue;
stream_event = create_event_definitions(td, stream, event);
- if (!stream_event)
+ if (!stream_event) {
+ ret = -EINVAL;
goto error_event;
+ }
g_ptr_array_index(stream->events_by_id, i) = stream_event;
}
return 0;
g_ptr_array_free(stream->events_by_id, TRUE);
error:
if (stream->stream_event_context)
- definition_unref(&stream->stream_event_context->p);
+ bt_definition_unref(&stream->stream_event_context->p);
if (stream->stream_event_header)
- definition_unref(&stream->stream_event_header->p);
+ bt_definition_unref(&stream->stream_event_header->p);
if (stream->stream_packet_context)
- definition_unref(&stream->stream_packet_context->p);
+ bt_definition_unref(&stream->stream_packet_context->p);
+ fprintf(stderr, "[error] Unable to create stream (%" PRIu64 ") definitions: %s\n",
+ stream_class->stream_id, strerror(-ret));
return ret;
}
-
static
-int create_stream_packet_index(struct ctf_trace *td,
- struct ctf_file_stream *file_stream)
+int stream_assign_class(struct ctf_trace *td,
+ struct ctf_file_stream *file_stream,
+ uint64_t stream_id)
{
struct ctf_stream_declaration *stream;
- int len_index;
- struct ctf_stream_pos *pos;
- struct stat filestats;
- struct packet_index packet_index;
- int first_packet = 1;
int ret;
- pos = &file_stream->pos;
-
- ret = fstat(pos->fd, &filestats);
- if (ret < 0)
+ file_stream->parent.stream_id = stream_id;
+ if (stream_id >= td->streams->len) {
+ fprintf(stderr, "[error] Stream %" PRIu64 " is not declared in metadata.\n", stream_id);
+ return -EINVAL;
+ }
+ stream = g_ptr_array_index(td->streams, stream_id);
+ if (!stream) {
+ fprintf(stderr, "[error] Stream %" PRIu64 " is not declared in metadata.\n", stream_id);
+ return -EINVAL;
+ }
+ file_stream->parent.stream_class = stream;
+ ret = create_stream_definitions(td, &file_stream->parent);
+ if (ret)
return ret;
+ return 0;
+}
- if (filestats.st_size < MAX_PACKET_HEADER_LEN / CHAR_BIT)
- return -EINVAL;
+static
+int create_stream_one_packet_index(struct ctf_stream_pos *pos,
+ struct ctf_trace *td,
+ struct ctf_file_stream *file_stream,
+ size_t filesize)
+{
+ struct packet_index packet_index;
+ uint64_t stream_id = 0;
+ uint64_t packet_map_len = DEFAULT_HEADER_LEN, tmp_map_len;
+ int first_packet = 0;
+ int len_index;
+ int ret;
- for (pos->mmap_offset = 0; pos->mmap_offset < filestats.st_size; ) {
- uint64_t stream_id = 0;
+begin:
+ if (!pos->mmap_offset) {
+ first_packet = 1;
+ }
- if (pos->base_mma) {
- /* unmap old base */
- ret = munmap_align(pos->base_mma);
- if (ret) {
- fprintf(stderr, "[error] Unable to unmap old base: %s.\n",
- strerror(errno));
- return ret;
- }
- pos->base_mma = NULL;
+ if (filesize - pos->mmap_offset < (packet_map_len >> LOG2_CHAR_BIT)) {
+ packet_map_len = (filesize - pos->mmap_offset) << LOG2_CHAR_BIT;
+ }
+
+ if (pos->base_mma) {
+ /* unmap old base */
+ ret = munmap_align(pos->base_mma);
+ if (ret) {
+ fprintf(stderr, "[error] Unable to unmap old base: %s.\n",
+ strerror(errno));
+ return ret;
}
- /* map new base. Need mapping length from header. */
- pos->base_mma = mmap_align(MAX_PACKET_HEADER_LEN / CHAR_BIT, PROT_READ,
- MAP_PRIVATE, pos->fd, pos->mmap_offset);
- assert(pos->base_mma != MAP_FAILED);
- pos->content_size = MAX_PACKET_HEADER_LEN; /* Unknown at this point */
- pos->packet_size = MAX_PACKET_HEADER_LEN; /* Unknown at this point */
- pos->offset = 0; /* Position of the packet header */
-
- packet_index.offset = pos->mmap_offset;
- packet_index.content_size = 0;
- packet_index.packet_size = 0;
- packet_index.timestamp_begin = 0;
- packet_index.timestamp_end = 0;
- packet_index.events_discarded = 0;
-
- /* read and check header, set stream id (and check) */
- if (file_stream->parent.trace_packet_header) {
- /* Read packet header */
- ret = generic_rw(&pos->parent, &file_stream->parent.trace_packet_header->p);
- if (ret)
- return ret;
- len_index = struct_declaration_lookup_field_index(file_stream->parent.trace_packet_header->declaration, g_quark_from_static_string("magic"));
- if (len_index >= 0) {
- struct definition *field;
- uint64_t magic;
-
- field = struct_definition_get_field_from_index(file_stream->parent.trace_packet_header, len_index);
- magic = get_unsigned_int(field);
- if (magic != CTF_MAGIC) {
- fprintf(stderr, "[error] Invalid magic number 0x%" PRIX64 " at packet %u (file offset %zd).\n",
- magic,
- file_stream->pos.packet_cycles_index->len,
- (ssize_t) pos->mmap_offset);
- return -EINVAL;
- }
+ pos->base_mma = NULL;
+ }
+ /* map new base. Need mapping length from header. */
+ pos->base_mma = mmap_align(packet_map_len >> LOG2_CHAR_BIT, PROT_READ,
+ MAP_PRIVATE, pos->fd, pos->mmap_offset);
+ assert(pos->base_mma != MAP_FAILED);
+ /*
+ * Use current mapping size as temporary content and packet
+ * size.
+ */
+ pos->content_size = packet_map_len;
+ pos->packet_size = packet_map_len;
+ pos->offset = 0; /* Position of the packet header */
+
+ packet_index.offset = pos->mmap_offset;
+ packet_index.content_size = 0;
+ packet_index.packet_size = 0;
+ packet_index.timestamp_begin = 0;
+ packet_index.timestamp_end = 0;
+ packet_index.events_discarded = 0;
+ packet_index.events_discarded_len = 0;
+
+ /* read and check header, set stream id (and check) */
+ if (file_stream->parent.trace_packet_header) {
+ /* Read packet header */
+ ret = generic_rw(&pos->parent, &file_stream->parent.trace_packet_header->p);
+ if (ret) {
+ if (ret == -EFAULT)
+ goto retry;
+ fprintf(stderr, "[error] Unable to read packet header: %s\n", strerror(-ret));
+ return ret;
+ }
+ len_index = bt_struct_declaration_lookup_field_index(file_stream->parent.trace_packet_header->declaration, g_quark_from_static_string("magic"));
+ if (len_index >= 0) {
+ struct bt_definition *field;
+ uint64_t magic;
+
+ field = bt_struct_definition_get_field_from_index(file_stream->parent.trace_packet_header, len_index);
+ magic = bt_get_unsigned_int(field);
+ if (magic != CTF_MAGIC) {
+ fprintf(stderr, "[error] Invalid magic number 0x%" PRIX64 " at packet %u (file offset %zd).\n",
+ magic,
+ file_stream->pos.packet_cycles_index->len,
+ (ssize_t) pos->mmap_offset);
+ return -EINVAL;
}
+ }
- /* check uuid */
- len_index = struct_declaration_lookup_field_index(file_stream->parent.trace_packet_header->declaration, g_quark_from_static_string("uuid"));
- if (len_index >= 0) {
- struct definition_array *defarray;
- struct definition *field;
- uint64_t i;
- uint8_t uuidval[BABELTRACE_UUID_LEN];
+ /* check uuid */
+ len_index = bt_struct_declaration_lookup_field_index(file_stream->parent.trace_packet_header->declaration, g_quark_from_static_string("uuid"));
+ if (len_index >= 0) {
+ struct definition_array *defarray;
+ struct bt_definition *field;
+ uint64_t i;
+ uint8_t uuidval[BABELTRACE_UUID_LEN];
- field = struct_definition_get_field_from_index(file_stream->parent.trace_packet_header, len_index);
- assert(field->declaration->id == CTF_TYPE_ARRAY);
- defarray = container_of(field, struct definition_array, p);
- assert(array_len(defarray) == BABELTRACE_UUID_LEN);
+ field = bt_struct_definition_get_field_from_index(file_stream->parent.trace_packet_header, len_index);
+ assert(field->declaration->id == CTF_TYPE_ARRAY);
+ defarray = container_of(field, struct definition_array, p);
+ assert(bt_array_len(defarray) == BABELTRACE_UUID_LEN);
- for (i = 0; i < BABELTRACE_UUID_LEN; i++) {
- struct definition *elem;
+ for (i = 0; i < BABELTRACE_UUID_LEN; i++) {
+ struct bt_definition *elem;
- elem = array_index(defarray, i);
- uuidval[i] = get_unsigned_int(elem);
- }
- ret = babeltrace_uuid_compare(td->uuid, uuidval);
- if (ret) {
- fprintf(stderr, "[error] Unique Universal Identifiers do not match.\n");
- return -EINVAL;
- }
+ elem = bt_array_index(defarray, i);
+ uuidval[i] = bt_get_unsigned_int(elem);
}
+ ret = babeltrace_uuid_compare(td->uuid, uuidval);
+ if (ret) {
+ fprintf(stderr, "[error] Unique Universal Identifiers do not match.\n");
+ return -EINVAL;
+ }
+ }
+ len_index = bt_struct_declaration_lookup_field_index(file_stream->parent.trace_packet_header->declaration, g_quark_from_static_string("stream_id"));
+ if (len_index >= 0) {
+ struct bt_definition *field;
- len_index = struct_declaration_lookup_field_index(file_stream->parent.trace_packet_header->declaration, g_quark_from_static_string("stream_id"));
- if (len_index >= 0) {
- struct definition *field;
+ field = bt_struct_definition_get_field_from_index(file_stream->parent.trace_packet_header, len_index);
+ stream_id = bt_get_unsigned_int(field);
+ }
+ }
- field = struct_definition_get_field_from_index(file_stream->parent.trace_packet_header, len_index);
- stream_id = get_unsigned_int(field);
- }
+ if (!first_packet && file_stream->parent.stream_id != stream_id) {
+ fprintf(stderr, "[error] Stream ID is changing within a stream: expecting %" PRIu64 ", but packet has %" PRIu64 "\n",
+ stream_id,
+ file_stream->parent.stream_id);
+ return -EINVAL;
+ }
+ if (first_packet) {
+ ret = stream_assign_class(td, file_stream, stream_id);
+ if (ret)
+ return ret;
+ }
+
+ if (file_stream->parent.stream_packet_context) {
+ /* Read packet context */
+ ret = generic_rw(&pos->parent, &file_stream->parent.stream_packet_context->p);
+ if (ret) {
+ if (ret == -EFAULT)
+ goto retry;
+ fprintf(stderr, "[error] Unable to read packet context: %s\n", strerror(-ret));
+ return ret;
}
+ /* read content size from header */
+ len_index = bt_struct_declaration_lookup_field_index(file_stream->parent.stream_packet_context->declaration, g_quark_from_static_string("content_size"));
+ if (len_index >= 0) {
+ struct bt_definition *field;
- if (!first_packet && file_stream->parent.stream_id != stream_id) {
- fprintf(stderr, "[error] Stream ID is changing within a stream.\n");
- return -EINVAL;
+ field = bt_struct_definition_get_field_from_index(file_stream->parent.stream_packet_context, len_index);
+ packet_index.content_size = bt_get_unsigned_int(field);
+ } else {
+ /* Use file size for packet size */
+ packet_index.content_size = filesize * CHAR_BIT;
}
- if (first_packet) {
- file_stream->parent.stream_id = stream_id;
- if (stream_id >= td->streams->len) {
- fprintf(stderr, "[error] Stream %" PRIu64 " is not declared in metadata.\n", stream_id);
- return -EINVAL;
+
+ /* read packet size from header */
+ len_index = bt_struct_declaration_lookup_field_index(file_stream->parent.stream_packet_context->declaration, g_quark_from_static_string("packet_size"));
+ if (len_index >= 0) {
+ struct bt_definition *field;
+
+ field = bt_struct_definition_get_field_from_index(file_stream->parent.stream_packet_context, len_index);
+ packet_index.packet_size = bt_get_unsigned_int(field);
+ } else {
+ /* Use content size if non-zero, else file size */
+ packet_index.packet_size = packet_index.content_size ? : filesize * CHAR_BIT;
+ }
+
+ /* read timestamp begin from header */
+ len_index = bt_struct_declaration_lookup_field_index(file_stream->parent.stream_packet_context->declaration, g_quark_from_static_string("timestamp_begin"));
+ if (len_index >= 0) {
+ struct bt_definition *field;
+
+ field = bt_struct_definition_get_field_from_index(file_stream->parent.stream_packet_context, len_index);
+ packet_index.timestamp_begin = bt_get_unsigned_int(field);
+ if (file_stream->parent.stream_class->trace->parent.collection) {
+ packet_index.timestamp_begin =
+ ctf_get_real_timestamp(
+ &file_stream->parent,
+ packet_index.timestamp_begin);
}
- stream = g_ptr_array_index(td->streams, stream_id);
- if (!stream) {
- fprintf(stderr, "[error] Stream %" PRIu64 " is not declared in metadata.\n", stream_id);
- return -EINVAL;
+ }
+
+ /* read timestamp end from header */
+ len_index = bt_struct_declaration_lookup_field_index(file_stream->parent.stream_packet_context->declaration, g_quark_from_static_string("timestamp_end"));
+ if (len_index >= 0) {
+ struct bt_definition *field;
+
+ field = bt_struct_definition_get_field_from_index(file_stream->parent.stream_packet_context, len_index);
+ packet_index.timestamp_end = bt_get_unsigned_int(field);
+ if (file_stream->parent.stream_class->trace->parent.collection) {
+ packet_index.timestamp_end =
+ ctf_get_real_timestamp(
+ &file_stream->parent,
+ packet_index.timestamp_end);
}
- file_stream->parent.stream_class = stream;
- ret = create_stream_definitions(td, &file_stream->parent);
- if (ret)
- return ret;
}
- first_packet = 0;
- if (file_stream->parent.stream_packet_context) {
- /* Read packet context */
- ret = generic_rw(&pos->parent, &file_stream->parent.stream_packet_context->p);
- if (ret)
- return ret;
- /* read content size from header */
- len_index = struct_declaration_lookup_field_index(file_stream->parent.stream_packet_context->declaration, g_quark_from_static_string("content_size"));
- if (len_index >= 0) {
- struct definition *field;
+ /* read events discarded from header */
+ len_index = bt_struct_declaration_lookup_field_index(file_stream->parent.stream_packet_context->declaration, g_quark_from_static_string("events_discarded"));
+ if (len_index >= 0) {
+ struct bt_definition *field;
- field = struct_definition_get_field_from_index(file_stream->parent.stream_packet_context, len_index);
- packet_index.content_size = get_unsigned_int(field);
- } else {
- /* Use file size for packet size */
- packet_index.content_size = filestats.st_size * CHAR_BIT;
- }
+ field = bt_struct_definition_get_field_from_index(file_stream->parent.stream_packet_context, len_index);
+ packet_index.events_discarded = bt_get_unsigned_int(field);
+ packet_index.events_discarded_len = bt_get_int_len(field);
+ }
+ } else {
+ /* Use file size for packet size */
+ packet_index.content_size = filesize * CHAR_BIT;
+ /* Use content size if non-zero, else file size */
+ packet_index.packet_size = packet_index.content_size ? : filesize * CHAR_BIT;
+ }
- /* read packet size from header */
- len_index = struct_declaration_lookup_field_index(file_stream->parent.stream_packet_context->declaration, g_quark_from_static_string("packet_size"));
- if (len_index >= 0) {
- struct definition *field;
+ /* Validate content size and packet size values */
+ if (packet_index.content_size > packet_index.packet_size) {
+ fprintf(stderr, "[error] Content size (%" PRIu64 " bits) is larger than packet size (%" PRIu64 " bits).\n",
+ packet_index.content_size, packet_index.packet_size);
+ return -EINVAL;
+ }
- field = struct_definition_get_field_from_index(file_stream->parent.stream_packet_context, len_index);
- packet_index.packet_size = get_unsigned_int(field);
- } else {
- /* Use content size if non-zero, else file size */
- packet_index.packet_size = packet_index.content_size ? : filestats.st_size * CHAR_BIT;
- }
+ if (packet_index.packet_size > ((uint64_t) filesize - packet_index.offset) * CHAR_BIT) {
+ fprintf(stderr, "[error] Packet size (%" PRIu64 " bits) is larger than remaining file size (%" PRIu64 " bits).\n",
+ packet_index.packet_size, ((uint64_t) filesize - packet_index.offset) * CHAR_BIT);
+ return -EINVAL;
+ }
- /* read timestamp begin from header */
- len_index = struct_declaration_lookup_field_index(file_stream->parent.stream_packet_context->declaration, g_quark_from_static_string("timestamp_begin"));
- if (len_index >= 0) {
- struct definition *field;
-
- field = struct_definition_get_field_from_index(file_stream->parent.stream_packet_context, len_index);
- packet_index.timestamp_begin = get_unsigned_int(field);
- if (file_stream->parent.stream_class->trace->collection) {
- packet_index.timestamp_begin =
- ctf_get_real_timestamp(
- &file_stream->parent,
- packet_index.timestamp_begin);
- }
- }
+ /* Save position after header and context */
+ packet_index.data_offset = pos->offset;
- /* read timestamp end from header */
- len_index = struct_declaration_lookup_field_index(file_stream->parent.stream_packet_context->declaration, g_quark_from_static_string("timestamp_end"));
- if (len_index >= 0) {
- struct definition *field;
-
- field = struct_definition_get_field_from_index(file_stream->parent.stream_packet_context, len_index);
- packet_index.timestamp_end = get_unsigned_int(field);
- if (file_stream->parent.stream_class->trace->collection) {
- packet_index.timestamp_end =
- ctf_get_real_timestamp(
- &file_stream->parent,
- packet_index.timestamp_end);
- }
- }
+ /* add index to packet array */
+ g_array_append_val(file_stream->pos.packet_cycles_index, packet_index);
- /* read events discarded from header */
- len_index = struct_declaration_lookup_field_index(file_stream->parent.stream_packet_context->declaration, g_quark_from_static_string("events_discarded"));
- if (len_index >= 0) {
- struct definition *field;
+ pos->mmap_offset += packet_index.packet_size >> LOG2_CHAR_BIT;
- field = struct_definition_get_field_from_index(file_stream->parent.stream_packet_context, len_index);
- packet_index.events_discarded = get_unsigned_int(field);
- packet_index.events_discarded_len = get_int_len(field);
- }
- } else {
- /* Use file size for packet size */
- packet_index.content_size = filestats.st_size * CHAR_BIT;
- /* Use content size if non-zero, else file size */
- packet_index.packet_size = packet_index.content_size ? : filestats.st_size * CHAR_BIT;
- }
+ return 0;
- /* Validate content size and packet size values */
- if (packet_index.content_size > packet_index.packet_size) {
- fprintf(stderr, "[error] Content size (%" PRIu64 " bits) is larger than packet size (%" PRIu64 " bits).\n",
- packet_index.content_size, packet_index.packet_size);
- return -EINVAL;
- }
+ /* Retry with larger mapping */
+retry:
+ if (packet_map_len == ((filesize - pos->mmap_offset) << LOG2_CHAR_BIT)) {
+ /*
+ * Reached EOF, but still expecting header/context data.
+ */
+ fprintf(stderr, "[error] Reached end of file, but still expecting header or context fields.\n");
+ return -EFAULT;
+ }
+ /* Double the mapping len, and retry */
+ tmp_map_len = packet_map_len << 1;
+ if (tmp_map_len >> 1 != packet_map_len) {
+ /* Overflow */
+ fprintf(stderr, "[error] Packet mapping length overflow\n");
+ return -EFAULT;
+ }
+ packet_map_len = tmp_map_len;
+ goto begin;
+}
- if (packet_index.packet_size > ((uint64_t)filestats.st_size - packet_index.offset) * CHAR_BIT) {
- fprintf(stderr, "[error] Packet size (%" PRIu64 " bits) is larger than remaining file size (%" PRIu64 " bits).\n",
- packet_index.packet_size, ((uint64_t)filestats.st_size - packet_index.offset) * CHAR_BIT);
- return -EINVAL;
- }
+static
+int create_stream_packet_index(struct ctf_trace *td,
+ struct ctf_file_stream *file_stream)
+{
+ struct ctf_stream_pos *pos;
+ struct stat filestats;
+ int ret;
- /* Save position after header and context */
- packet_index.data_offset = pos->offset;
+ pos = &file_stream->pos;
- /* add index to packet array */
- g_array_append_val(file_stream->pos.packet_cycles_index, packet_index);
+ ret = fstat(pos->fd, &filestats);
+ if (ret < 0)
+ return ret;
- pos->mmap_offset += packet_index.packet_size / CHAR_BIT;
+ /* Deal with empty files */
+ if (!filestats.st_size) {
+ if (file_stream->parent.trace_packet_header
+ || file_stream->parent.stream_packet_context) {
+ /*
+ * We expect a trace packet header and/or stream packet
+ * context. Since a trace needs to have at least one
+ * packet, empty files are therefore not accepted.
+ */
+ fprintf(stderr, "[error] Encountered an empty file, but expecting a trace packet header.\n");
+ return -EINVAL;
+ } else {
+ /*
+ * Without trace packet header nor stream packet
+ * context, a one-packet trace can indeed be empty. This
+ * is only valid if there is only one stream class: 0.
+ */
+ ret = stream_assign_class(td, file_stream, 0);
+ if (ret)
+ return ret;
+ return 0;
+ }
}
+ for (pos->mmap_offset = 0; pos->mmap_offset < filestats.st_size; ) {
+ ret = create_stream_one_packet_index(pos, td, file_stream,
+ filestats.st_size);
+ if (ret)
+ return ret;
+ }
return 0;
}
int ret;
if (td->packet_header_decl) {
- struct definition *definition =
+ struct bt_definition *definition =
td->packet_header_decl->p.definition_new(&td->packet_header_decl->p,
stream->parent_def_scope, 0, 0, "trace.packet.header");
if (!definition) {
return 0;
error:
+ fprintf(stderr, "[error] Unable to create trace definitions: %s\n", strerror(-ret));
return ret;
}
*/
static
int ctf_open_file_stream_read(struct ctf_trace *td, const char *path, int flags,
- void (*packet_seek)(struct stream_pos *pos, size_t index,
+ void (*packet_seek)(struct bt_stream_pos *pos, size_t index,
int whence))
{
- int ret, fd;
+ int ret, fd, closeret;
struct ctf_file_stream *file_stream;
struct stat statbuf;
file_stream = g_new0(struct ctf_file_stream, 1);
file_stream->pos.last_offset = LAST_OFFSET_POISON;
+ strncpy(file_stream->parent.path, path, PATH_MAX);
+ file_stream->parent.path[PATH_MAX - 1] = '\0';
+
if (packet_seek) {
file_stream->pos.packet_seek = packet_seek;
} else {
goto error_def;
}
- ctf_init_pos(&file_stream->pos, fd, flags);
+ ret = ctf_init_pos(&file_stream->pos, &td->parent, fd, flags);
+ if (ret)
+ goto error_def;
ret = create_trace_definitions(td, &file_stream->parent);
if (ret)
goto error_def;
/*
* For now, only a single clock per trace is supported.
*/
- file_stream->parent.current_clock = td->single_clock;
+ file_stream->parent.current_clock = td->parent.single_clock;
ret = create_stream_packet_index(td, file_stream);
- if (ret)
+ if (ret) {
+ fprintf(stderr, "[error] Stream index creation error.\n");
goto error_index;
+ }
/* Add stream file to stream class */
g_ptr_array_add(file_stream->parent.stream_class->streams,
&file_stream->parent);
error_index:
if (file_stream->parent.trace_packet_header)
- definition_unref(&file_stream->parent.trace_packet_header->p);
+ bt_definition_unref(&file_stream->parent.trace_packet_header->p);
error_def:
- ctf_fini_pos(&file_stream->pos);
+ closeret = ctf_fini_pos(&file_stream->pos);
+ if (closeret) {
+ fprintf(stderr, "Error on ctf_fini_pos\n");
+ }
g_free(file_stream);
fd_is_dir_ok:
fstat_error:
- close(fd);
+ closeret = close(fd);
+ if (closeret) {
+ perror("Error on fd close");
+ }
error:
return ret;
}
static
int ctf_open_trace_read(struct ctf_trace *td,
const char *path, int flags,
- void (*packet_seek)(struct stream_pos *pos, size_t index,
+ void (*packet_seek)(struct bt_stream_pos *pos, size_t index,
int whence), FILE *metadata_fp)
{
- int ret;
+ int ret, closeret;
struct dirent *dirent;
struct dirent *diriter;
size_t dirent_len;
ret = -errno;
goto error_dirfd;
}
- strncpy(td->path, path, sizeof(td->path));
- td->path[sizeof(td->path) - 1] = '\0';
+ strncpy(td->parent.path, path, sizeof(td->parent.path));
+ td->parent.path[sizeof(td->parent.path) - 1] = '\0';
/*
* Keep the metadata file separate.
readdir_error:
free(dirent);
error_metadata:
- close(td->dirfd);
+ closeret = close(td->dirfd);
+ if (closeret) {
+ perror("Error on fd close");
+ }
error_dirfd:
- closedir(td->dir);
+ closeret = closedir(td->dir);
+ if (closeret) {
+ perror("Error on closedir");
+ }
error:
return ret;
}
* since the index creation read it entirely.
*/
static
-struct trace_descriptor *ctf_open_trace(const char *path, int flags,
- void (*packet_seek)(struct stream_pos *pos, size_t index,
+struct bt_trace_descriptor *ctf_open_trace(const char *path, int flags,
+ void (*packet_seek)(struct bt_stream_pos *pos, size_t index,
int whence), FILE *metadata_fp)
{
struct ctf_trace *td;
return NULL;
}
-
+static
void ctf_init_mmap_pos(struct ctf_stream_pos *pos,
- struct mmap_stream *mmap_info)
+ struct bt_mmap_stream *mmap_info)
{
pos->mmap_offset = 0;
pos->packet_size = 0;
static
int ctf_open_mmap_stream_read(struct ctf_trace *td,
- struct mmap_stream *mmap_info,
- void (*packet_seek)(struct stream_pos *pos, size_t index,
+ struct bt_mmap_stream *mmap_info,
+ void (*packet_seek)(struct bt_stream_pos *pos, size_t index,
int whence))
{
int ret;
/*
* For now, only a single clock per trace is supported.
*/
- file_stream->parent.current_clock = td->single_clock;
+ file_stream->parent.current_clock = td->parent.single_clock;
/* Add stream file to stream class */
g_ptr_array_add(file_stream->parent.stream_class->streams,
error_index:
if (file_stream->parent.trace_packet_header)
- definition_unref(&file_stream->parent.trace_packet_header->p);
+ bt_definition_unref(&file_stream->parent.trace_packet_header->p);
error_def:
g_free(file_stream);
return ret;
}
+static
int ctf_open_mmap_trace_read(struct ctf_trace *td,
- struct mmap_stream_list *mmap_list,
- void (*packet_seek)(struct stream_pos *pos, size_t index,
+ struct bt_mmap_stream_list *mmap_list,
+ void (*packet_seek)(struct bt_stream_pos *pos, size_t index,
int whence),
FILE *metadata_fp)
{
int ret;
- struct mmap_stream *mmap_info;
+ struct bt_mmap_stream *mmap_info;
ret = ctf_open_trace_metadata_read(td, ctf_packet_seek, metadata_fp);
if (ret) {
}
static
-struct trace_descriptor *ctf_open_mmap_trace(
- struct mmap_stream_list *mmap_list,
- void (*packet_seek)(struct stream_pos *pos, size_t index,
+struct bt_trace_descriptor *ctf_open_mmap_trace(
+ struct bt_mmap_stream_list *mmap_list,
+ void (*packet_seek)(struct bt_stream_pos *pos, size_t index,
int whence),
FILE *metadata_fp)
{
}
static
-int ctf_convert_index_timestamp(struct trace_descriptor *tdp)
+int ctf_convert_index_timestamp(struct bt_trace_descriptor *tdp)
{
int i, j, k;
struct ctf_trace *td = container_of(tdp, struct ctf_trace, parent);
}
static
-void ctf_close_file_stream(struct ctf_file_stream *file_stream)
+int ctf_close_file_stream(struct ctf_file_stream *file_stream)
{
- ctf_fini_pos(&file_stream->pos);
- close(file_stream->pos.fd);
+ int ret;
+
+ ret = ctf_fini_pos(&file_stream->pos);
+ if (ret) {
+ fprintf(stderr, "Error on ctf_fini_pos\n");
+ return -1;
+ }
+ ret = close(file_stream->pos.fd);
+ if (ret) {
+ perror("Error closing file fd");
+ return -1;
+ }
+ return 0;
}
static
-void ctf_close_trace(struct trace_descriptor *tdp)
+int ctf_close_trace(struct bt_trace_descriptor *tdp)
{
struct ctf_trace *td = container_of(tdp, struct ctf_trace, parent);
- int i;
+ int ret;
if (td->streams) {
+ int i;
+
for (i = 0; i < td->streams->len; i++) {
struct ctf_stream_declaration *stream;
int j;
continue;
for (j = 0; j < stream->streams->len; j++) {
struct ctf_file_stream *file_stream;
- file_stream = container_of(g_ptr_array_index(stream->streams, j), struct ctf_file_stream, parent);
- ctf_close_file_stream(file_stream);
+ file_stream = container_of(g_ptr_array_index(stream->streams, j),
+ struct ctf_file_stream, parent);
+ ret = ctf_close_file_stream(file_stream);
+ if (ret)
+ return ret;
}
-
}
- g_ptr_array_free(td->streams, TRUE);
- }
-
- if (td->event_declarations) {
- for (i = 0; i < td->event_declarations->len; i++) {
- struct bt_ctf_event_decl *event;
-
- event = g_ptr_array_index(td->event_declarations, i);
- if (event->context_decl)
- g_ptr_array_free(event->context_decl, TRUE);
- if (event->fields_decl)
- g_ptr_array_free(event->fields_decl, TRUE);
- if (event->packet_header_decl)
- g_ptr_array_free(event->packet_header_decl, TRUE);
- if (event->event_context_decl)
- g_ptr_array_free(event->event_context_decl, TRUE);
- if (event->event_header_decl)
- g_ptr_array_free(event->event_header_decl, TRUE);
- if (event->packet_context_decl)
- g_ptr_array_free(event->packet_context_decl, TRUE);
- g_free(event);
- }
- g_ptr_array_free(td->event_declarations, TRUE);
}
- closedir(td->dir);
+ ctf_destroy_metadata(td);
+ ret = close(td->dirfd);
+ if (ret) {
+ perror("Error closing dirfd");
+ return ret;
+ }
+ ret = closedir(td->dir);
+ if (ret) {
+ perror("Error closedir");
+ return ret;
+ }
+ free(td->metadata_string);
g_free(td);
+ return 0;
}
static
-void ctf_set_context(struct trace_descriptor *descriptor,
+void ctf_set_context(struct bt_trace_descriptor *descriptor,
struct bt_context *ctx)
{
struct ctf_trace *td = container_of(descriptor, struct ctf_trace,
parent);
- td->ctx = ctx;
+ td->parent.ctx = ctx;
}
static
-void ctf_set_handle(struct trace_descriptor *descriptor,
+void ctf_set_handle(struct bt_trace_descriptor *descriptor,
struct bt_trace_handle *handle)
{
struct ctf_trace *td = container_of(descriptor, struct ctf_trace,
parent);
- td->handle = handle;
+ td->parent.handle = handle;
}
+static
void __attribute__((constructor)) ctf_init(void)
{
int ret;
assert(!ret);
}
-/* TODO: finalize */
+static
+void __attribute__((destructor)) ctf_exit(void)
+{
+ bt_unregister_format(&ctf_format);
+}