struct bt_trace_handle *handle);
static
-void ctf_close_trace(struct trace_descriptor *descriptor);
+int ctf_close_trace(struct trace_descriptor *descriptor);
static
uint64_t ctf_timestamp_begin(struct trace_descriptor *descriptor,
struct bt_trace_handle *handle, enum bt_clock_type type);
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, int fd, int open_flags)
{
pos->fd = fd;
- pos->mmap_offset = 0;
- pos->packet_size = 0;
- pos->content_size = 0;
- pos->content_size_loc = NULL;
- pos->base_mma = NULL;
- pos->offset = 0;
- pos->dummy = false;
- pos->cur_index = 0;
- pos->packet_real_index = NULL;
- if (fd >= 0)
+ if (fd >= 0) {
pos->packet_cycles_index = g_array_new(FALSE, TRUE,
sizeof(struct packet_index));
- else
+ pos->packet_real_index = g_array_new(FALSE, TRUE,
+ sizeof(struct packet_index));
+ } else {
pos->packet_cycles_index = NULL;
+ pos->packet_real_index = NULL;
+ }
switch (open_flags & O_ACCMODE) {
case O_RDONLY:
pos->prot = PROT_READ;
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;
}
}
- (void) g_array_free(pos->packet_cycles_index, TRUE);
- (void) g_array_free(pos->packet_real_index, TRUE);
+ 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;
}
/*
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;
return -EINVAL;
}
+ if ((header.content_size / CHAR_BIT) < header_sizeof(header))
+ return -EINVAL;
+
toread = (header.content_size / CHAR_BIT) - header_sizeof(header);
for (;;) {
/* 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");
if (!*fp) {
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) {
fp = metadata_fp;
+ metadata_stream->pos.fd = -1;
} else {
td->metadata = &metadata_stream->parent;
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;
ctf_scanner_free(scanner);
end_scanner_alloc:
end_packet_read:
- if (fp)
- fclose(fp);
+ if (fp) {
+ closeret = fclose(fp);
+ if (closeret) {
+ perror("Error on fclose");
+ }
+ }
free(buf);
end_stream:
- 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;
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) {
void (*packet_seek)(struct stream_pos *pos, size_t index,
int whence))
{
- int ret, fd;
+ int ret, fd, closeret;
struct ctf_file_stream *file_stream;
struct stat statbuf;
goto error_def;
}
- ctf_init_pos(&file_stream->pos, fd, flags);
+ ret = ctf_init_pos(&file_stream->pos, 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 slock is supported.
+ * For now, only a single clock per trace is supported.
*/
file_stream->parent.current_clock = td->single_clock;
ret = create_stream_packet_index(td, file_stream);
if (file_stream->parent.trace_packet_header)
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;
}
void (*packet_seek)(struct 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;
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;
}
if (ret)
goto error_index;
+ /*
+ * For now, only a single clock per trace is supported.
+ */
+ file_stream->parent.current_clock = td->single_clock;
+
/* Add stream file to stream class */
g_ptr_array_add(file_stream->parent.stream_class->streams,
&file_stream->parent);
cfs = container_of(stream, struct ctf_file_stream,
parent);
stream_pos = &cfs->pos;
- stream_pos->packet_real_index = g_array_new(FALSE, TRUE,
- sizeof(struct packet_index));
-
if (!stream_pos->packet_cycles_index)
continue;
}
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 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;
+ }
g_free(td);
+ return 0;
}
static
td->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);
+}