+++ /dev/null
-/*
- * Copyright 2019 Philippe Proulx <pproulx@efficios.com>
- *
- * 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.
- */
-
-#define BT_LOG_TAG "PLUGIN-CTF-FS-SINK-STREAM"
-#include "logging.h"
-
-#include <babeltrace2/babeltrace.h>
-#include <stdio.h>
-#include <stdbool.h>
-#include <glib.h>
-#include <babeltrace2/assert-internal.h>
-#include <babeltrace2/ctfser-internal.h>
-#include <babeltrace2/endian-internal.h>
-
-#include "fs-sink-trace.h"
-#include "fs-sink-stream.h"
-#include "translate-trace-ir-to-ctf-ir.h"
-
-BT_HIDDEN
-void fs_sink_stream_destroy(struct fs_sink_stream *stream)
-{
- if (!stream) {
- goto end;
- }
-
- bt_ctfser_fini(&stream->ctfser);
-
- if (stream->file_name) {
- g_string_free(stream->file_name, TRUE);
- stream->file_name = NULL;
- }
-
- bt_packet_put_ref(stream->packet_state.packet);
- g_free(stream);
-
-end:
- return;
-}
-
-static
-bool stream_file_name_exists(struct fs_sink_trace *trace, const char *name)
-{
- bool exists = false;
- GHashTableIter iter;
- gpointer key, value;
-
- g_hash_table_iter_init(&iter, trace->streams);
-
- while (g_hash_table_iter_next(&iter, &key, &value)) {
- struct fs_sink_stream *stream = value;
-
- if (strcmp(name, stream->file_name->str) == 0) {
- exists = true;
- goto end;
- }
- }
-
-end:
- return exists;
-}
-
-static
-GString *sanitize_stream_file_name(const char *file_name)
-{
- GString *san_file_name = g_string_new(NULL);
- const char *ch;
- gchar *basename;
-
- BT_ASSERT(san_file_name);
- BT_ASSERT(file_name);
- basename = g_path_get_basename(file_name);
-
- for (ch = basename; *ch != '\0'; ch++) {
- if (*ch == '/') {
- g_string_append_c(san_file_name, '_');
- } else {
- g_string_append_c(san_file_name, *ch);
- }
- }
-
- /* Do not allow `.` and `..` either */
- if (strcmp(san_file_name->str, ".") == 0 ||
- strcmp(san_file_name->str, "..") == 0) {
- g_string_assign(san_file_name, "stream");
- }
-
- g_free(basename);
- return san_file_name;
-}
-
-static
-GString *make_unique_stream_file_name(struct fs_sink_trace *trace,
- const char *base)
-{
- GString *san_base = sanitize_stream_file_name(base);
- GString *name = g_string_new(san_base->str);
- unsigned int suffix = 0;
-
- BT_ASSERT(name);
-
- while (stream_file_name_exists(trace, name->str) &&
- strcmp(name->str, "metadata") == 0) {
- g_string_printf(name, "%s-%u", san_base->str, suffix);
- suffix++;
- }
-
- g_string_free(san_base, TRUE);
- return name;
-}
-
-static
-void set_stream_file_name(struct fs_sink_stream *stream)
-{
- const char *base_name = bt_stream_get_name(stream->ir_stream);
-
- if (!base_name) {
- base_name = "stream";
- }
-
- BT_ASSERT(!stream->file_name);
- stream->file_name = make_unique_stream_file_name(stream->trace,
- base_name);
-}
-
-BT_HIDDEN
-struct fs_sink_stream *fs_sink_stream_create(struct fs_sink_trace *trace,
- const bt_stream *ir_stream)
-{
- struct fs_sink_stream *stream = g_new0(struct fs_sink_stream, 1);
- int ret;
- GString *path = g_string_new(trace->path->str);
-
- if (!stream) {
- goto end;
- }
-
- stream->trace = trace;
- stream->ir_stream = ir_stream;
- stream->packet_state.beginning_cs = UINT64_C(-1);
- stream->packet_state.end_cs = UINT64_C(-1);
- stream->prev_packet_state.end_cs = UINT64_C(-1);
- stream->prev_packet_state.discarded_events_counter = UINT64_C(-1);
- stream->prev_packet_state.seq_num = UINT64_C(-1);
- ret = try_translate_stream_class_trace_ir_to_ctf_ir(trace->tc,
- bt_stream_borrow_class_const(ir_stream), &stream->sc);
- if (ret) {
- goto error;
- }
-
- set_stream_file_name(stream);
- g_string_append_printf(path, "/%s", stream->file_name->str);
- ret = bt_ctfser_init(&stream->ctfser, path->str);
- if (ret) {
- goto error;
- }
-
- g_hash_table_insert(trace->streams, (gpointer) ir_stream, stream);
- goto end;
-
-error:
- fs_sink_stream_destroy(stream);
- stream = NULL;
-
-end:
- if (path) {
- g_string_free(path, TRUE);
- }
-
- return stream;
-}
-
-static
-int write_field(struct fs_sink_stream *stream,
- struct fs_sink_ctf_field_class *fc, const bt_field *field);
-
-static inline
-int write_int_field(struct fs_sink_stream *stream,
- struct fs_sink_ctf_field_class_int *fc, const bt_field *field)
-{
- int ret;
-
- if (fc->is_signed) {
- ret = bt_ctfser_write_signed_int(&stream->ctfser,
- bt_field_signed_integer_get_value(field),
- fc->base.base.alignment, fc->base.size, BYTE_ORDER);
- } else {
- ret = bt_ctfser_write_unsigned_int(&stream->ctfser,
- bt_field_unsigned_integer_get_value(field),
- fc->base.base.alignment, fc->base.size, BYTE_ORDER);
- }
-
- return ret;
-}
-
-static inline
-int write_float_field(struct fs_sink_stream *stream,
- struct fs_sink_ctf_field_class_float *fc, const bt_field *field)
-{
- int ret;
- double val = bt_field_real_get_value(field);
-
- if (fc->base.size == 32) {
- ret = bt_ctfser_write_float32(&stream->ctfser, val,
- fc->base.base.alignment, BYTE_ORDER);
- } else {
- ret = bt_ctfser_write_float64(&stream->ctfser, val,
- fc->base.base.alignment, BYTE_ORDER);
- }
-
- return ret;
-}
-
-static inline
-int write_string_field(struct fs_sink_stream *stream,
- struct fs_sink_ctf_field_class_string *fc, const bt_field *field)
-{
- return bt_ctfser_write_string(&stream->ctfser,
- bt_field_string_get_value(field));
-}
-
-static inline
-int write_array_field_elements(struct fs_sink_stream *stream,
- struct fs_sink_ctf_field_class_array_base *fc,
- const bt_field *field)
-{
- uint64_t i;
- uint64_t len = bt_field_array_get_length(field);
- int ret = 0;
-
- for (i = 0; i < len; i++) {
- const bt_field *elem_field =
- bt_field_array_borrow_element_field_by_index_const(
- field, i);
- ret = write_field(stream, fc->elem_fc, elem_field);
- if (unlikely(ret)) {
- goto end;
- }
- }
-
-end:
- return ret;
-}
-
-static inline
-int write_sequence_field(struct fs_sink_stream *stream,
- struct fs_sink_ctf_field_class_sequence *fc,
- const bt_field *field)
-{
- int ret;
-
- if (fc->length_is_before) {
- ret = bt_ctfser_write_unsigned_int(&stream->ctfser,
- bt_field_array_get_length(field), 8, 32, BYTE_ORDER);
- if (unlikely(ret)) {
- goto end;
- }
- }
-
- ret = write_array_field_elements(stream, (void *) fc, field);
-
-end:
- return ret;
-}
-
-static inline
-int write_struct_field(struct fs_sink_stream *stream,
- struct fs_sink_ctf_field_class_struct *fc,
- const bt_field *field, bool align_struct)
-{
- int ret = 0;
- uint64_t i;
-
- if (likely(align_struct)) {
- ret = bt_ctfser_align_offset_in_current_packet(&stream->ctfser,
- fc->base.alignment);
- if (unlikely(ret)) {
- goto end;
- }
- }
-
- for (i = 0; i < fc->members->len; i++) {
- const bt_field *memb_field =
- bt_field_structure_borrow_member_field_by_index_const(
- field, i);
- struct fs_sink_ctf_field_class *member_fc =
- fs_sink_ctf_field_class_struct_borrow_member_by_index(
- fc, i)->fc;
-
- ret = write_field(stream, member_fc, memb_field);
- if (unlikely(ret)) {
- goto end;
- }
- }
-
-end:
- return ret;
-}
-
-static inline
-int write_variant_field(struct fs_sink_stream *stream,
- struct fs_sink_ctf_field_class_variant *fc,
- const bt_field *field)
-{
- uint64_t opt_index =
- bt_field_variant_get_selected_option_field_index(field);
- int ret;
-
- if (fc->tag_is_before) {
- ret = bt_ctfser_write_unsigned_int(&stream->ctfser,
- opt_index, 8, 16, BYTE_ORDER);
- if (unlikely(ret)) {
- goto end;
- }
- }
-
- ret = write_field(stream,
- fs_sink_ctf_field_class_variant_borrow_option_by_index(fc,
- opt_index)->fc,
- bt_field_variant_borrow_selected_option_field_const(field));
-
-end:
- return ret;
-}
-
-static
-int write_field(struct fs_sink_stream *stream,
- struct fs_sink_ctf_field_class *fc, const bt_field *field)
-{
- int ret;
-
- switch (fc->type) {
- case FS_SINK_CTF_FIELD_CLASS_TYPE_INT:
- ret = write_int_field(stream, (void *) fc, field);
- break;
- case FS_SINK_CTF_FIELD_CLASS_TYPE_FLOAT:
- ret = write_float_field(stream, (void *) fc, field);
- break;
- case FS_SINK_CTF_FIELD_CLASS_TYPE_STRING:
- ret = write_string_field(stream, (void *) fc, field);
- break;
- case FS_SINK_CTF_FIELD_CLASS_TYPE_STRUCT:
- ret = write_struct_field(stream, (void *) fc, field, true);
- break;
- case FS_SINK_CTF_FIELD_CLASS_TYPE_ARRAY:
- ret = write_array_field_elements(stream, (void *) fc, field);
- break;
- case FS_SINK_CTF_FIELD_CLASS_TYPE_SEQUENCE:
- ret = write_sequence_field(stream, (void *) fc, field);
- break;
- case FS_SINK_CTF_FIELD_CLASS_TYPE_VARIANT:
- ret = write_variant_field(stream, (void *) fc, field);
- break;
- default:
- abort();
- }
-
- return ret;
-}
-
-static inline
-int write_event_header(struct fs_sink_stream *stream,
- const bt_clock_snapshot *cs, struct fs_sink_ctf_event_class *ec)
-{
- int ret;
-
- /* Event class ID */
- ret = bt_ctfser_write_byte_aligned_unsigned_int(&stream->ctfser,
- bt_event_class_get_id(ec->ir_ec), 8, 64, BYTE_ORDER);
- if (unlikely(ret)) {
- goto end;
- }
-
- /* Time */
- if (stream->sc->default_clock_class) {
- BT_ASSERT(cs);
- ret = bt_ctfser_write_byte_aligned_unsigned_int(&stream->ctfser,
- bt_clock_snapshot_get_value(cs), 8, 64, BYTE_ORDER);
- if (unlikely(ret)) {
- goto end;
- }
- }
-
-end:
- return ret;
-}
-
-BT_HIDDEN
-int fs_sink_stream_write_event(struct fs_sink_stream *stream,
- const bt_clock_snapshot *cs, const bt_event *event,
- struct fs_sink_ctf_event_class *ec)
-{
- int ret;
- const bt_field *field;
-
- /* Header */
- ret = write_event_header(stream, cs, ec);
- if (unlikely(ret)) {
- goto end;
- }
-
- /* Common context */
- if (stream->sc->event_common_context_fc) {
- field = bt_event_borrow_common_context_field_const(event);
- BT_ASSERT(field);
- ret = write_struct_field(stream,
- (void *) stream->sc->event_common_context_fc,
- field, true);
- if (unlikely(ret)) {
- goto end;
- }
- }
-
- /* Specific context */
- if (ec->spec_context_fc) {
- field = bt_event_borrow_specific_context_field_const(event);
- BT_ASSERT(field);
- ret = write_struct_field(stream, (void *) ec->spec_context_fc,
- field, true);
- if (unlikely(ret)) {
- goto end;
- }
- }
-
- /* Specific context */
- if (ec->payload_fc) {
- field = bt_event_borrow_payload_field_const(event);
- BT_ASSERT(field);
- ret = write_struct_field(stream, (void *) ec->payload_fc,
- field, true);
- if (unlikely(ret)) {
- goto end;
- }
- }
-
-end:
- return ret;
-}
-
-static
-int write_packet_context(struct fs_sink_stream *stream)
-{
- int ret;
-
- /* Packet total size */
- ret = bt_ctfser_write_byte_aligned_unsigned_int(&stream->ctfser,
- stream->packet_state.total_size, 8, 64, BYTE_ORDER);
- if (ret) {
- goto end;
- }
-
- /* Packet content size */
- ret = bt_ctfser_write_byte_aligned_unsigned_int(&stream->ctfser,
- stream->packet_state.content_size, 8, 64, BYTE_ORDER);
- if (ret) {
- goto end;
- }
-
- if (stream->sc->packets_have_ts_begin) {
- /* Beginning time */
- ret = bt_ctfser_write_byte_aligned_unsigned_int(&stream->ctfser,
- stream->packet_state.beginning_cs, 8, 64, BYTE_ORDER);
- if (ret) {
- goto end;
- }
- }
-
- if (stream->sc->packets_have_ts_end) {
- /* End time */
- ret = bt_ctfser_write_byte_aligned_unsigned_int(&stream->ctfser,
- stream->packet_state.end_cs, 8, 64, BYTE_ORDER);
- if (ret) {
- goto end;
- }
- }
-
- if (stream->sc->has_discarded_events) {
- /* Discarded event counter */
- ret = bt_ctfser_write_byte_aligned_unsigned_int(&stream->ctfser,
- stream->packet_state.discarded_events_counter, 8, 64,
- BYTE_ORDER);
- if (ret) {
- goto end;
- }
- }
-
- /* Sequence number */
- ret = bt_ctfser_write_byte_aligned_unsigned_int(&stream->ctfser,
- stream->packet_state.seq_num, 8, 64, BYTE_ORDER);
- if (ret) {
- goto end;
- }
-
- /* Other members */
- if (stream->sc->packet_context_fc) {
- const bt_field *packet_context_field =
- bt_packet_borrow_context_field_const(
- stream->packet_state.packet);
-
- BT_ASSERT(packet_context_field);
- ret = write_struct_field(stream,
- (void *) stream->sc->packet_context_fc,
- packet_context_field, false);
- if (ret) {
- goto end;
- }
- }
-
-end:
- return ret;
-}
-
-BT_HIDDEN
-int fs_sink_stream_open_packet(struct fs_sink_stream *stream,
- const bt_clock_snapshot *cs, const bt_packet *packet)
-{
- int ret;
- uint64_t i;
-
- BT_ASSERT(!stream->packet_state.is_open);
- bt_packet_put_ref(stream->packet_state.packet);
- stream->packet_state.packet = packet;
- bt_packet_get_ref(stream->packet_state.packet);
- if (cs) {
- stream->packet_state.beginning_cs =
- bt_clock_snapshot_get_value(cs);
- }
-
- /* Open packet */
- ret = bt_ctfser_open_packet(&stream->ctfser);
- if (ret) {
- /* bt_ctfser_open_packet() logs errors */
- goto end;
- }
-
- /* Packet header: magic */
- ret = bt_ctfser_write_byte_aligned_unsigned_int(&stream->ctfser,
- UINT64_C(0xc1fc1fc1), 8, 32, BYTE_ORDER);
- if (ret) {
- BT_LOGE("Error writing packet header magic: stream-file-name=%s",
- stream->file_name->str);
- goto end;
- }
-
- /* Packet header: UUID */
- for (i = 0; i < BABELTRACE_UUID_LEN; i++) {
- ret = bt_ctfser_write_byte_aligned_unsigned_int(&stream->ctfser,
- (uint64_t) stream->sc->tc->uuid[i], 8, 8, BYTE_ORDER);
- if (ret) {
- BT_LOGE("Error writing packet header UUID: stream-file-name=%s",
- stream->file_name->str);
- goto end;
- }
- }
-
- /* Packet header: stream class ID */
- ret = bt_ctfser_write_byte_aligned_unsigned_int(&stream->ctfser,
- bt_stream_class_get_id(stream->sc->ir_sc), 8, 64, BYTE_ORDER);
- if (ret) {
- BT_LOGE("Error writing packet header stream class id: "
- "stream-file-name=%s, stream-class-id=%"PRIu64,
- stream->file_name->str,
- bt_stream_class_get_id(stream->sc->ir_sc));
- goto end;
- }
-
- /* Packet header: stream ID */
- ret = bt_ctfser_write_byte_aligned_unsigned_int(&stream->ctfser,
- bt_stream_get_id(stream->ir_stream), 8, 64, BYTE_ORDER);
- if (ret) {
- BT_LOGE("Error writing packet header stream id: "
- "stream-file-name=%s, stream-id=%"PRIu64,
- stream->file_name->str,
- bt_stream_get_id(stream->ir_stream));
- goto end;
- }
-
- /* Save packet context's offset to rewrite it later */
- stream->packet_state.context_offset_bits =
- bt_ctfser_get_offset_in_current_packet_bits(&stream->ctfser);
-
- /* Write packet context just to advance to content (first event) */
- ret = write_packet_context(stream);
- if (ret) {
- goto end;
- }
-
- stream->packet_state.is_open = true;
-
-end:
- return ret;
-}
-
-BT_HIDDEN
-int fs_sink_stream_close_packet(struct fs_sink_stream *stream,
- const bt_clock_snapshot *cs)
-{
- int ret;
-
- BT_ASSERT(stream->packet_state.is_open);
-
- if (cs) {
- stream->packet_state.end_cs = bt_clock_snapshot_get_value(cs);
- }
-
- stream->packet_state.content_size =
- bt_ctfser_get_offset_in_current_packet_bits(&stream->ctfser);
- stream->packet_state.total_size =
- (stream->packet_state.content_size + 7) & ~UINT64_C(7);
-
- /* Rewrite packet context */
- bt_ctfser_set_offset_in_current_packet_bits(&stream->ctfser,
- stream->packet_state.context_offset_bits);
- ret = write_packet_context(stream);
- if (ret) {
- goto end;
- }
-
- /* Close packet */
- bt_ctfser_close_current_packet(&stream->ctfser,
- stream->packet_state.total_size / 8);
-
- /* Partially copy current packet state to previous packet state */
- stream->prev_packet_state.end_cs = stream->packet_state.end_cs;
- stream->prev_packet_state.discarded_events_counter =
- stream->packet_state.discarded_events_counter;
- stream->prev_packet_state.seq_num =
- stream->packet_state.seq_num;
-
- /* Reset current packet state */
- stream->packet_state.beginning_cs = UINT64_C(-1);
- stream->packet_state.end_cs = UINT64_C(-1);
- stream->packet_state.content_size = 0;
- stream->packet_state.total_size = 0;
- stream->packet_state.seq_num += 1;
- stream->packet_state.context_offset_bits = 0;
- stream->packet_state.is_open = false;
- BT_PACKET_PUT_REF_AND_RESET(stream->packet_state.packet);
-
-end:
- return ret;
-}
projects / babeltrace.git / blobdiff