| 1 | /* |
| 2 | * SPDX-License-Identifier: MIT |
| 3 | * |
| 4 | * Copyright (C) 2019 Philippe Proulx <pproulx@efficios.com> |
| 5 | */ |
| 6 | |
| 7 | #include <stdint.h> |
| 8 | #include <babeltrace2-ctf-writer/writer.h> |
| 9 | #include <babeltrace2-ctf-writer/clock.h> |
| 10 | #include <babeltrace2-ctf-writer/clock-class.h> |
| 11 | #include <babeltrace2-ctf-writer/stream.h> |
| 12 | #include <babeltrace2-ctf-writer/event.h> |
| 13 | #include <babeltrace2-ctf-writer/event-types.h> |
| 14 | #include <babeltrace2-ctf-writer/event-fields.h> |
| 15 | #include <babeltrace2-ctf-writer/stream-class.h> |
| 16 | #include <babeltrace2-ctf-writer/trace.h> |
| 17 | |
| 18 | #include "common/assert.h" |
| 19 | |
| 20 | struct config { |
| 21 | struct bt_ctf_writer *writer; |
| 22 | struct bt_ctf_trace *trace; |
| 23 | struct bt_ctf_clock *clock; |
| 24 | struct bt_ctf_stream_class *sc; |
| 25 | struct bt_ctf_stream *stream; |
| 26 | struct bt_ctf_event_class *ec; |
| 27 | }; |
| 28 | |
| 29 | static |
| 30 | void fini_config(struct config *cfg) |
| 31 | { |
| 32 | bt_ctf_object_put_ref(cfg->stream); |
| 33 | bt_ctf_object_put_ref(cfg->sc); |
| 34 | bt_ctf_object_put_ref(cfg->ec); |
| 35 | bt_ctf_object_put_ref(cfg->clock); |
| 36 | bt_ctf_object_put_ref(cfg->trace); |
| 37 | bt_ctf_object_put_ref(cfg->writer); |
| 38 | } |
| 39 | |
| 40 | static |
| 41 | void configure_writer(struct config *cfg, const char *path) |
| 42 | { |
| 43 | struct bt_ctf_field_type *ft; |
| 44 | int ret; |
| 45 | |
| 46 | cfg->writer = bt_ctf_writer_create(path); |
| 47 | BT_ASSERT(cfg->writer); |
| 48 | cfg->trace = bt_ctf_writer_get_trace(cfg->writer); |
| 49 | BT_ASSERT(cfg->trace); |
| 50 | cfg->clock = bt_ctf_clock_create("default"); |
| 51 | BT_ASSERT(cfg->clock); |
| 52 | ret = bt_ctf_writer_add_clock(cfg->writer, cfg->clock); |
| 53 | BT_ASSERT(ret == 0); |
| 54 | ret = bt_ctf_writer_set_byte_order(cfg->writer, |
| 55 | BT_CTF_BYTE_ORDER_BIG_ENDIAN); |
| 56 | BT_ASSERT(ret == 0); |
| 57 | cfg->sc = bt_ctf_stream_class_create("hello"); |
| 58 | BT_ASSERT(cfg->sc); |
| 59 | ret = bt_ctf_stream_class_set_clock(cfg->sc, cfg->clock); |
| 60 | BT_ASSERT(ret == 0); |
| 61 | cfg->ec = bt_ctf_event_class_create("ev"); |
| 62 | BT_ASSERT(cfg->ec); |
| 63 | ft = bt_ctf_field_type_integer_create(8); |
| 64 | BT_ASSERT(ft); |
| 65 | ret = bt_ctf_field_type_integer_set_is_signed(ft, BT_CTF_TRUE); |
| 66 | BT_ASSERT(ret == 0); |
| 67 | ret = bt_ctf_event_class_add_field(cfg->ec, ft, "first"); |
| 68 | BT_ASSERT(ret == 0); |
| 69 | bt_ctf_object_put_ref(ft); |
| 70 | ft = bt_ctf_field_type_string_create(); |
| 71 | BT_ASSERT(ft); |
| 72 | ret = bt_ctf_event_class_add_field(cfg->ec, ft, "second"); |
| 73 | BT_ASSERT(ret == 0); |
| 74 | bt_ctf_object_put_ref(ft); |
| 75 | ret = bt_ctf_stream_class_add_event_class(cfg->sc, cfg->ec); |
| 76 | BT_ASSERT(ret == 0); |
| 77 | cfg->stream = bt_ctf_writer_create_stream(cfg->writer, cfg->sc); |
| 78 | BT_ASSERT(cfg->stream); |
| 79 | } |
| 80 | |
| 81 | static |
| 82 | void write_stream(struct config *cfg) |
| 83 | { |
| 84 | struct bt_ctf_event *ev; |
| 85 | struct bt_ctf_field *field; |
| 86 | uint64_t i; |
| 87 | int ret; |
| 88 | |
| 89 | for (i = 0; i < 25; i++) { |
| 90 | ev = bt_ctf_event_create(cfg->ec); |
| 91 | BT_ASSERT(ev); |
| 92 | field = bt_ctf_event_get_payload(ev, "first"); |
| 93 | BT_ASSERT(field); |
| 94 | ret = bt_ctf_field_integer_signed_set_value(field, -23 + i); |
| 95 | BT_ASSERT(ret == 0); |
| 96 | bt_ctf_object_put_ref(field); |
| 97 | field = bt_ctf_event_get_payload(ev, "second"); |
| 98 | BT_ASSERT(field); |
| 99 | ret = bt_ctf_field_string_set_value(field, "saluuuut"); |
| 100 | BT_ASSERT(ret == 0); |
| 101 | bt_ctf_object_put_ref(field); |
| 102 | ret = bt_ctf_clock_set_time(cfg->clock, 3600 + i * 5000); |
| 103 | BT_ASSERT(ret == 0); |
| 104 | ret = bt_ctf_stream_append_event(cfg->stream, ev); |
| 105 | BT_ASSERT(ret == 0); |
| 106 | bt_ctf_object_put_ref(ev); |
| 107 | } |
| 108 | |
| 109 | ret = bt_ctf_stream_flush(cfg->stream); |
| 110 | BT_ASSERT(ret == 0); |
| 111 | } |
| 112 | |
| 113 | int main(int argc, char **argv) |
| 114 | { |
| 115 | struct config cfg = {0}; |
| 116 | |
| 117 | BT_ASSERT(argc >= 2); |
| 118 | configure_writer(&cfg, argv[1]); |
| 119 | write_stream(&cfg); |
| 120 | fini_config(&cfg); |
| 121 | return 0; |
| 122 | } |