struct barectf_platform_linux_fs_ctx *barectf_platform_linux_fs_init(
unsigned int buf_size, const char *trace_dir, int simulate_full_backend,
unsigned int full_backend_rand_lt, unsigned int full_backend_rand_max)
{
char stream_path[256];
uint8_t *buf;
struct barectf_platform_linux_fs_ctx *ctx;
struct barectf_platform_callbacks cbs = {
.default_clock_get_value = get_clock,
.is_backend_full = is_backend_full,
.open_packet = open_packet,
.close_packet = close_packet,
};
ctx = malloc(sizeof(*ctx));
if (!ctx) {
return NULL;
}
buf = malloc(buf_size);
if (!buf) {
free(ctx);
return NULL;
}
memset(buf, 0, buf_size);
sprintf(stream_path, "%s/stream", trace_dir);
ctx->fh = fopen(stream_path, "wb");
if (!ctx->fh) {
free(ctx);
free(buf);
return NULL;
}
ctx->simulate_full_backend = simulate_full_backend;
ctx->full_backend_rand_lt = full_backend_rand_lt;
ctx->full_backend_rand_max = full_backend_rand_max;
barectf_init(&ctx->ctx, buf, buf_size, cbs, ctx);
open_packet(ctx);
return ctx;
}
static void simple(uint8_t* buf, size_t sz)
{
/* initialize barectf context */
struct barectf_ctx ctx;
struct barectf_ctx* pctx = &ctx;
barectf_init(pctx, buf, sz, get_clock, NULL);
/* open packet */
barectf_open_packet(pctx);
/* record events */
barectf_trace_simple_uint32(pctx, 20150101);
barectf_trace_simple_int16(pctx, -2999);
barectf_trace_simple_float(pctx, 23.57);
barectf_trace_simple_string(pctx, "Hello, World!");
barectf_trace_simple_enum(pctx, RUNNING);
barectf_trace_a_few_fields(pctx, -1, 301, -3.14159, "Hello again!", NEW);
barectf_trace_bit_packed_integers(pctx, 1, -1, 3, -2, 2, 7, 23, -55, 232);
/* close packet */
barectf_close_packet(pctx);
}
