+++ /dev/null
-/*
- * Copyright 2016-2017 - Philippe Proulx <pproulx@efficios.com>
- * Copyright 2016 - Jérémie Galarneau <jeremie.galarneau@efficios.com>
- * Copyright 2010-2011 - EfficiOS Inc. and Linux Foundation
- *
- * Permission is hereby granted, free of charge, to any person obtaining a copy
- * of this software and associated documentation files (the "Software"), to deal
- * in the Software without restriction, including without limitation the rights
- * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
- * copies of the Software, and to permit persons to whom the Software is
- * furnished to do so, subject to the following conditions:
- *
- * 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 <stdlib.h>
-#include <stdio.h>
-#include <stdint.h>
-#include <stdlib.h>
-#include <stdbool.h>
-#include <glib.h>
-#include <inttypes.h>
-#include <babeltrace2/compat/mman-internal.h>
-#include <babeltrace2/endian-internal.h>
-#include <babeltrace2/babeltrace.h>
-#include <babeltrace2/common-internal.h>
-#include "file.h"
-#include "metadata.h"
-#include "../common/msg-iter/msg-iter.h"
-#include <babeltrace2/assert-internal.h>
-#include "data-stream-file.h"
-#include <string.h>
-
-#define BT_LOG_TAG "PLUGIN-CTF-FS-SRC-DS"
-#include "logging.h"
-
-static inline
-size_t remaining_mmap_bytes(struct ctf_fs_ds_file *ds_file)
-{
- return ds_file->mmap_len - ds_file->request_offset;
-}
-
-static
-int ds_file_munmap(struct ctf_fs_ds_file *ds_file)
-{
- int ret = 0;
-
- if (!ds_file || !ds_file->mmap_addr) {
- goto end;
- }
-
- if (bt_munmap(ds_file->mmap_addr, ds_file->mmap_len)) {
- BT_LOGE_ERRNO("Cannot memory-unmap file",
- ": address=%p, size=%zu, file_path=\"%s\", file=%p",
- ds_file->mmap_addr, ds_file->mmap_len,
- ds_file->file ? ds_file->file->path->str : "NULL",
- ds_file->file ? ds_file->file->fp : NULL);
- ret = -1;
- goto end;
- }
-
- ds_file->mmap_addr = NULL;
-
-end:
- return ret;
-}
-
-static
-enum bt_msg_iter_medium_status ds_file_mmap_next(
- struct ctf_fs_ds_file *ds_file)
-{
- enum bt_msg_iter_medium_status ret =
- BT_MSG_ITER_MEDIUM_STATUS_OK;
-
- /* Unmap old region */
- if (ds_file->mmap_addr) {
- if (ds_file_munmap(ds_file)) {
- goto error;
- }
-
- /*
- * mmap_len is guaranteed to be page-aligned except on the
- * last mapping where it may not be possible (since the file's
- * size itself may not be a page multiple).
- */
- ds_file->mmap_offset += ds_file->mmap_len;
- ds_file->request_offset = 0;
- }
-
- ds_file->mmap_len = MIN(ds_file->file->size - ds_file->mmap_offset,
- ds_file->mmap_max_len);
- if (ds_file->mmap_len == 0) {
- ret = BT_MSG_ITER_MEDIUM_STATUS_EOF;
- goto end;
- }
- /* Map new region */
- BT_ASSERT(ds_file->mmap_len);
- ds_file->mmap_addr = bt_mmap((void *) 0, ds_file->mmap_len,
- PROT_READ, MAP_PRIVATE, fileno(ds_file->file->fp),
- ds_file->mmap_offset);
- if (ds_file->mmap_addr == MAP_FAILED) {
- BT_LOGE("Cannot memory-map address (size %zu) of file \"%s\" (%p) at offset %jd: %s",
- ds_file->mmap_len, ds_file->file->path->str,
- ds_file->file->fp, (intmax_t) ds_file->mmap_offset,
- strerror(errno));
- goto error;
- }
-
- goto end;
-error:
- ds_file_munmap(ds_file);
- ret = BT_MSG_ITER_MEDIUM_STATUS_ERROR;
-end:
- return ret;
-}
-
-static
-enum bt_msg_iter_medium_status medop_request_bytes(
- size_t request_sz, uint8_t **buffer_addr,
- size_t *buffer_sz, void *data)
-{
- enum bt_msg_iter_medium_status status =
- BT_MSG_ITER_MEDIUM_STATUS_OK;
- struct ctf_fs_ds_file *ds_file = data;
-
- if (request_sz == 0) {
- goto end;
- }
-
- /* Check if we have at least one memory-mapped byte left */
- if (remaining_mmap_bytes(ds_file) == 0) {
- /* Are we at the end of the file? */
- if (ds_file->mmap_offset >= ds_file->file->size) {
- BT_LOGD("Reached end of file \"%s\" (%p)",
- ds_file->file->path->str, ds_file->file->fp);
- status = BT_MSG_ITER_MEDIUM_STATUS_EOF;
- goto end;
- }
-
- status = ds_file_mmap_next(ds_file);
- switch (status) {
- case BT_MSG_ITER_MEDIUM_STATUS_OK:
- break;
- case BT_MSG_ITER_MEDIUM_STATUS_EOF:
- goto end;
- default:
- BT_LOGE("Cannot memory-map next region of file \"%s\" (%p)",
- ds_file->file->path->str,
- ds_file->file->fp);
- goto error;
- }
- }
-
- *buffer_sz = MIN(remaining_mmap_bytes(ds_file), request_sz);
- *buffer_addr = ((uint8_t *) ds_file->mmap_addr) + ds_file->request_offset;
- ds_file->request_offset += *buffer_sz;
- goto end;
-
-error:
- status = BT_MSG_ITER_MEDIUM_STATUS_ERROR;
-
-end:
- return status;
-}
-
-static
-bt_stream *medop_borrow_stream(bt_stream_class *stream_class, int64_t stream_id,
- void *data)
-{
- struct ctf_fs_ds_file *ds_file = data;
- bt_stream_class *ds_file_stream_class;
- bt_stream *stream = NULL;
-
- ds_file_stream_class = bt_stream_borrow_class(
- ds_file->stream);
-
- if (stream_class != ds_file_stream_class) {
- /*
- * Not supported: two packets described by two different
- * stream classes within the same data stream file.
- */
- goto end;
- }
-
- stream = ds_file->stream;
-
-end:
- return stream;
-}
-
-static
-enum bt_msg_iter_medium_status medop_seek(enum bt_msg_iter_seek_whence whence,
- off_t offset, void *data)
-{
- enum bt_msg_iter_medium_status ret =
- BT_MSG_ITER_MEDIUM_STATUS_OK;
- struct ctf_fs_ds_file *ds_file = data;
- off_t file_size = ds_file->file->size;
-
- if (whence != BT_MSG_ITER_SEEK_WHENCE_SET ||
- offset < 0 || offset > file_size) {
- BT_LOGE("Invalid medium seek request: whence=%d, offset=%jd, "
- "file-size=%jd", (int) whence, offset,
- file_size);
- ret = BT_MSG_ITER_MEDIUM_STATUS_INVAL;
- goto end;
- }
-
- /*
- * Determine whether or not the destination is contained within the
- * current mapping.
- */
- if (ds_file->mmap_addr && (offset < ds_file->mmap_offset ||
- offset >= ds_file->mmap_offset + ds_file->mmap_len)) {
- int unmap_ret;
- off_t offset_in_mapping = offset % bt_common_get_page_size();
-
- BT_LOGD("Medium seek request cannot be accomodated by the current "
- "file mapping: offset=%jd, mmap-offset=%jd, "
- "mmap-len=%zu", offset, ds_file->mmap_offset,
- ds_file->mmap_len);
- unmap_ret = ds_file_munmap(ds_file);
- if (unmap_ret) {
- ret = BT_MSG_ITER_MEDIUM_STATUS_ERROR;
- goto end;
- }
-
- ds_file->mmap_offset = offset - offset_in_mapping;
- ds_file->request_offset = offset_in_mapping;
- ret = ds_file_mmap_next(ds_file);
- if (ret != BT_MSG_ITER_MEDIUM_STATUS_OK) {
- goto end;
- }
- } else {
- ds_file->request_offset = offset - ds_file->mmap_offset;
- }
-
- ds_file->end_reached = (offset == file_size);
-end:
- return ret;
-}
-
-BT_HIDDEN
-struct bt_msg_iter_medium_ops ctf_fs_ds_file_medops = {
- .request_bytes = medop_request_bytes,
- .borrow_stream = medop_borrow_stream,
- .seek = medop_seek,
-};
-
-static
-int convert_cycles_to_ns(struct ctf_clock_class *clock_class,
- uint64_t cycles, int64_t *ns)
-{
- return bt_util_clock_cycles_to_ns_from_origin(cycles,
- clock_class->frequency, clock_class->offset_seconds,
- clock_class->offset_cycles, ns);
-}
-
-static
-struct ctf_fs_ds_index *build_index_from_idx_file(
- struct ctf_fs_ds_file *ds_file)
-{
- int ret;
- gchar *directory = NULL;
- gchar *basename = NULL;
- GString *index_basename = NULL;
- gchar *index_file_path = NULL;
- GMappedFile *mapped_file = NULL;
- gsize filesize;
- const char *mmap_begin = NULL, *file_pos = NULL;
- const struct ctf_packet_index_file_hdr *header = NULL;
- struct ctf_fs_ds_index *index = NULL;
- struct ctf_fs_ds_index_entry *index_entry = NULL;
- uint64_t total_packets_size = 0;
- size_t file_index_entry_size;
- size_t file_entry_count;
- size_t i;
- struct ctf_stream_class *sc;
- struct bt_msg_iter_packet_properties props;
-
- BT_LOGD("Building index from .idx file of stream file %s",
- ds_file->file->path->str);
- ret = bt_msg_iter_get_packet_properties(ds_file->msg_iter, &props);
- if (ret) {
- BT_LOGD_STR("Cannot read first packet's header and context fields.");
- goto error;
- }
-
- sc = ctf_trace_class_borrow_stream_class_by_id(ds_file->metadata->tc,
- props.stream_class_id);
- BT_ASSERT(sc);
- if (!sc->default_clock_class) {
- BT_LOGD_STR("Cannot find stream class's default clock class.");
- goto error;
- }
-
- /* Look for index file in relative path index/name.idx. */
- basename = g_path_get_basename(ds_file->file->path->str);
- if (!basename) {
- BT_LOGE("Cannot get the basename of datastream file %s",
- ds_file->file->path->str);
- goto error;
- }
-
- directory = g_path_get_dirname(ds_file->file->path->str);
- if (!directory) {
- BT_LOGE("Cannot get dirname of datastream file %s",
- ds_file->file->path->str);
- goto error;
- }
-
- index_basename = g_string_new(basename);
- if (!index_basename) {
- BT_LOGE_STR("Cannot allocate index file basename string");
- goto error;
- }
-
- g_string_append(index_basename, ".idx");
- index_file_path = g_build_filename(directory, "index",
- index_basename->str, NULL);
- mapped_file = g_mapped_file_new(index_file_path, FALSE, NULL);
- if (!mapped_file) {
- BT_LOGD("Cannot create new mapped file %s",
- index_file_path);
- goto error;
- }
-
- /*
- * The g_mapped_file API limits us to 4GB files on 32-bit.
- * Traces with such large indexes have never been seen in the wild,
- * but this would need to be adjusted to support them.
- */
- filesize = g_mapped_file_get_length(mapped_file);
- if (filesize < sizeof(*header)) {
- BT_LOGW("Invalid LTTng trace index file: "
- "file size (%zu bytes) < header size (%zu bytes)",
- filesize, sizeof(*header));
- goto error;
- }
-
- mmap_begin = g_mapped_file_get_contents(mapped_file);
- header = (struct ctf_packet_index_file_hdr *) mmap_begin;
-
- file_pos = g_mapped_file_get_contents(mapped_file) + sizeof(*header);
- if (be32toh(header->magic) != CTF_INDEX_MAGIC) {
- BT_LOGW_STR("Invalid LTTng trace index: \"magic\" field validation failed");
- goto error;
- }
-
- file_index_entry_size = be32toh(header->packet_index_len);
- file_entry_count = (filesize - sizeof(*header)) / file_index_entry_size;
- if ((filesize - sizeof(*header)) % file_index_entry_size) {
- BT_LOGW("Invalid LTTng trace index: the index's size after the header "
- "(%zu bytes) is not a multiple of the index entry size "
- "(%zu bytes)", (filesize - sizeof(*header)),
- sizeof(*header));
- goto error;
- }
-
- index = ctf_fs_ds_index_create();
- if (!index) {
- goto error;
- }
-
- for (i = 0; i < file_entry_count; i++) {
- struct ctf_packet_index *file_index =
- (struct ctf_packet_index *) file_pos;
- uint64_t packet_size = be64toh(file_index->packet_size);
-
- if (packet_size % CHAR_BIT) {
- BT_LOGW("Invalid packet size encountered in LTTng trace index file");
- goto error;
- }
-
- index_entry = g_new0(struct ctf_fs_ds_index_entry, 1);
- if (!index_entry) {
- goto error;
- }
-
- /* Convert size in bits to bytes. */
- packet_size /= CHAR_BIT;
- index_entry->packet_size = packet_size;
-
- index_entry->offset = be64toh(file_index->offset);
- if (i != 0 && index_entry->offset < (index_entry - 1)->offset) {
- BT_LOGW("Invalid, non-monotonic, packet offset encountered in LTTng trace index file: "
- "previous offset=%" PRIu64 ", current offset=%" PRIu64,
- (index_entry - 1)->offset, index_entry->offset);
- goto error;
- }
-
- index_entry->timestamp_begin = be64toh(file_index->timestamp_begin);
- index_entry->timestamp_end = be64toh(file_index->timestamp_end);
- if (index_entry->timestamp_end < index_entry->timestamp_begin) {
- BT_LOGW("Invalid packet time bounds encountered in LTTng trace index file (begin > end): "
- "timestamp_begin=%" PRIu64 "timestamp_end=%" PRIu64,
- index_entry->timestamp_begin,
- index_entry->timestamp_end);
- goto error;
- }
-
- /* Convert the packet's bound to nanoseconds since Epoch. */
- ret = convert_cycles_to_ns(sc->default_clock_class,
- index_entry->timestamp_begin,
- &index_entry->timestamp_begin_ns);
- if (ret) {
- BT_LOGD_STR("Failed to convert raw timestamp to nanoseconds since Epoch during index parsing");
- goto error;
- }
- ret = convert_cycles_to_ns(sc->default_clock_class,
- index_entry->timestamp_end,
- &index_entry->timestamp_end_ns);
- if (ret) {
- BT_LOGD_STR("Failed to convert raw timestamp to nanoseconds since Epoch during LTTng trace index parsing");
- goto error;
- }
-
- total_packets_size += packet_size;
- file_pos += file_index_entry_size;
-
- g_ptr_array_add(index->entries, index_entry);
- }
-
- /* Validate that the index addresses the complete stream. */
- if (ds_file->file->size != total_packets_size) {
- BT_LOGW("Invalid LTTng trace index file; indexed size != stream file size: "
- "file-size=%" PRIu64 ", total-packets-size=%" PRIu64,
- ds_file->file->size, total_packets_size);
- goto error;
- }
-end:
- g_free(directory);
- g_free(basename);
- g_free(index_file_path);
- if (index_basename) {
- g_string_free(index_basename, TRUE);
- }
- if (mapped_file) {
- g_mapped_file_unref(mapped_file);
- }
- return index;
-error:
- ctf_fs_ds_index_destroy(index);
- g_free(index_entry);
- index = NULL;
- goto end;
-}
-
-static
-int init_index_entry(struct ctf_fs_ds_index_entry *entry,
- struct ctf_fs_ds_file *ds_file,
- struct bt_msg_iter_packet_properties *props,
- off_t packet_size, off_t packet_offset)
-{
- int ret = 0;
- struct ctf_stream_class *sc;
-
- sc = ctf_trace_class_borrow_stream_class_by_id(ds_file->metadata->tc,
- props->stream_class_id);
- BT_ASSERT(sc);
- BT_ASSERT(packet_offset >= 0);
- entry->offset = packet_offset;
- BT_ASSERT(packet_size >= 0);
- entry->packet_size = packet_size;
-
- if (props->snapshots.beginning_clock != UINT64_C(-1)) {
- /* Convert the packet's bound to nanoseconds since Epoch. */
- ret = convert_cycles_to_ns(sc->default_clock_class,
- props->snapshots.beginning_clock,
- &entry->timestamp_begin_ns);
- if (ret) {
- BT_LOGD_STR("Failed to convert raw timestamp to nanoseconds since Epoch.");
- goto end;
- }
- } else {
- entry->timestamp_begin_ns = UINT64_C(-1);
- }
-
- if (props->snapshots.end_clock != UINT64_C(-1)) {
- ret = convert_cycles_to_ns(sc->default_clock_class,
- props->snapshots.end_clock,
- &entry->timestamp_end_ns);
- if (ret) {
- BT_LOGD_STR("Failed to convert raw timestamp to nanoseconds since Epoch.");
- goto end;
- }
- } else {
- entry->timestamp_end_ns = UINT64_C(-1);
- }
-
-end:
- return ret;
-}
-
-static
-struct ctf_fs_ds_index *build_index_from_stream_file(
- struct ctf_fs_ds_file *ds_file)
-{
- int ret;
- struct ctf_fs_ds_index *index = NULL;
- enum bt_msg_iter_status iter_status = BT_MSG_ITER_STATUS_OK;
- off_t current_packet_offset_bytes = 0;
-
- BT_LOGD("Indexing stream file %s", ds_file->file->path->str);
-
- index = ctf_fs_ds_index_create();
- if (!index) {
- goto error;
- }
-
- do {
- off_t current_packet_size_bytes;
- struct ctf_fs_ds_index_entry *index_entry;
- struct bt_msg_iter_packet_properties props;
-
- if (current_packet_offset_bytes < 0) {
- BT_LOGE_STR("Cannot get the current packet's offset.");
- goto error;
- } else if (current_packet_offset_bytes > ds_file->file->size) {
- BT_LOGE_STR("Unexpected current packet's offset (larger than file).");
- goto error;
- } else if (current_packet_offset_bytes == ds_file->file->size) {
- /* No more data */
- break;
- }
-
- iter_status = bt_msg_iter_seek(ds_file->msg_iter,
- current_packet_offset_bytes);
- if (iter_status != BT_MSG_ITER_STATUS_OK) {
- goto error;
- }
-
- iter_status = bt_msg_iter_get_packet_properties(
- ds_file->msg_iter, &props);
- if (iter_status != BT_MSG_ITER_STATUS_OK) {
- goto error;
- }
-
- if (props.exp_packet_total_size >= 0) {
- current_packet_size_bytes =
- (uint64_t) props.exp_packet_total_size / 8;
- } else {
- current_packet_size_bytes = ds_file->file->size;
- }
-
- if (current_packet_offset_bytes + current_packet_size_bytes >
- ds_file->file->size) {
- BT_LOGW("Invalid packet size reported in file: stream=\"%s\", "
- "packet-offset=%jd, packet-size-bytes=%jd, "
- "file-size=%jd",
- ds_file->file->path->str,
- current_packet_offset_bytes,
- current_packet_size_bytes,
- ds_file->file->size);
- goto error;
- }
-
- index_entry = g_new0(struct ctf_fs_ds_index_entry, 1);
- if (!index_entry) {
- BT_LOGE_STR("Failed to allocate a new index entry.");
- goto error;
- }
-
- ret = init_index_entry(index_entry, ds_file, &props,
- current_packet_size_bytes, current_packet_offset_bytes);
- if (ret) {
- g_free(index_entry);
- goto error;
- }
-
- g_ptr_array_add(index->entries, index_entry);
-
- current_packet_offset_bytes += current_packet_size_bytes;
- BT_LOGD("Seeking to next packet: current-packet-offset=%jd, "
- "next-packet-offset=%jd",
- current_packet_offset_bytes - current_packet_size_bytes,
- current_packet_offset_bytes);
-
- } while (iter_status == BT_MSG_ITER_STATUS_OK);
-
- if (iter_status != BT_MSG_ITER_STATUS_OK) {
- goto error;
- }
-
-end:
- return index;
-
-error:
- ctf_fs_ds_index_destroy(index);
- index = NULL;
- goto end;
-}
-
-BT_HIDDEN
-struct ctf_fs_ds_file *ctf_fs_ds_file_create(
- struct ctf_fs_trace *ctf_fs_trace,
- bt_self_message_iterator *pc_msg_iter,
- struct bt_msg_iter *msg_iter,
- bt_stream *stream, const char *path)
-{
- int ret;
- const size_t page_size = bt_common_get_page_size();
- struct ctf_fs_ds_file *ds_file = g_new0(struct ctf_fs_ds_file, 1);
-
- if (!ds_file) {
- goto error;
- }
-
- ds_file->pc_msg_iter = pc_msg_iter;
- ds_file->file = ctf_fs_file_create();
- if (!ds_file->file) {
- goto error;
- }
-
- ds_file->stream = stream;
- bt_stream_get_ref(ds_file->stream);
- ds_file->metadata = ctf_fs_trace->metadata;
- g_string_assign(ds_file->file->path, path);
- ret = ctf_fs_file_open(ds_file->file, "rb");
- if (ret) {
- goto error;
- }
-
- ds_file->msg_iter = msg_iter;
- bt_msg_iter_set_medops_data(ds_file->msg_iter, ds_file);
- if (!ds_file->msg_iter) {
- goto error;
- }
-
- ds_file->mmap_max_len = page_size * 2048;
-
- goto end;
-
-error:
- /* Do not touch "borrowed" file. */
- ctf_fs_ds_file_destroy(ds_file);
- ds_file = NULL;
-
-end:
- return ds_file;
-}
-
-BT_HIDDEN
-struct ctf_fs_ds_index *ctf_fs_ds_file_build_index(
- struct ctf_fs_ds_file *ds_file)
-{
- struct ctf_fs_ds_index *index;
-
- index = build_index_from_idx_file(ds_file);
- if (index) {
- goto end;
- }
-
- BT_LOGD("Failed to build index from .index file; "
- "falling back to stream indexing.");
- index = build_index_from_stream_file(ds_file);
-end:
- return index;
-}
-
-BT_HIDDEN
-struct ctf_fs_ds_index *ctf_fs_ds_index_create()
-{
- struct ctf_fs_ds_index *index = g_new0(struct ctf_fs_ds_index, 1);
-
- if (!index) {
- BT_LOGE_STR("Failed to allocate index");
- goto error;
- }
-
- index->entries = g_ptr_array_new_with_free_func((GDestroyNotify) g_free);
- if (!index->entries) {
- BT_LOGE("Failed to allocate index entries.");
- goto error;
- }
-
- goto end;
-
-error:
- ctf_fs_ds_index_destroy(index);
- index = NULL;
-end:
- return index;
-}
-
-BT_HIDDEN
-void ctf_fs_ds_file_destroy(struct ctf_fs_ds_file *ds_file)
-{
- if (!ds_file) {
- return;
- }
-
- bt_stream_put_ref(ds_file->stream);
- (void) ds_file_munmap(ds_file);
-
- if (ds_file->file) {
- ctf_fs_file_destroy(ds_file->file);
- }
-
- g_free(ds_file);
-}
-
-BT_HIDDEN
-bt_self_message_iterator_status ctf_fs_ds_file_next(
- struct ctf_fs_ds_file *ds_file,
- bt_message **msg)
-{
- enum bt_msg_iter_status msg_iter_status;
- bt_self_message_iterator_status status;
-
- msg_iter_status = bt_msg_iter_get_next_message(
- ds_file->msg_iter, ds_file->pc_msg_iter, msg);
-
- switch (msg_iter_status) {
- case BT_MSG_ITER_STATUS_EOF:
- status = BT_SELF_MESSAGE_ITERATOR_STATUS_END;
- break;
- case BT_MSG_ITER_STATUS_OK:
- status = BT_SELF_MESSAGE_ITERATOR_STATUS_OK;
- break;
- case BT_MSG_ITER_STATUS_AGAIN:
- /*
- * Should not make it this far as this is
- * medium-specific; there is nothing for the user to do
- * and it should have been handled upstream.
- */
- abort();
- case BT_MSG_ITER_STATUS_INVAL:
- case BT_MSG_ITER_STATUS_ERROR:
- default:
- status = BT_SELF_MESSAGE_ITERATOR_STATUS_ERROR;
- break;
- }
- return status;
-}
-
-BT_HIDDEN
-void ctf_fs_ds_index_destroy(struct ctf_fs_ds_index *index)
-{
- if (!index) {
- return;
- }
-
- if (index->entries) {
- g_ptr_array_free(index->entries, TRUE);
- }
- g_free(index);
-}
projects / babeltrace.git / blobdiff