struct bt_ctf_clock *bt_ctf_trace_get_clock(struct bt_ctf_trace *trace,
int index)
{
struct bt_ctf_clock *clock = NULL;
if (!trace || index < 0 || index >= trace->clocks->len) {
goto end;
}
clock = g_ptr_array_index(trace->clocks, index);
bt_ctf_clock_get(clock);
end:
return clock;
}
int bt_ctf_trace_add_clock(struct bt_ctf_trace *trace,
struct bt_ctf_clock *clock)
{
int ret = 0;
struct search_query query = { .value = clock, .found = 0 };
if (!trace || !clock) {
ret = -1;
goto end;
}
/* Check for duplicate clocks */
g_ptr_array_foreach(trace->clocks, value_exists, &query);
if (query.found) {
ret = -1;
goto end;
}
bt_ctf_clock_get(clock);
g_ptr_array_add(trace->clocks, clock);
end:
return ret;
}
int bt_ctf_trace_get_clock_count(struct bt_ctf_trace *trace)
{
int ret = -1;
if (!trace) {
goto end;
}
ret = trace->clocks->len;
end:
return ret;
}
int bt_ctf_writer_add_clock(struct bt_ctf_writer *writer,
struct bt_ctf_clock *clock)
{
int ret = 0;
struct search_query query = { .value = clock, .found = 0 };
if (!writer || !clock) {
ret = -1;
goto end;
}
/* Check for duplicate clocks */
g_ptr_array_foreach(writer->clocks, value_exists, &query);
if (query.found) {
ret = -1;
goto end;
}
bt_ctf_clock_get(clock);
g_ptr_array_add(writer->clocks, clock);
end:
return ret;
}
BT_HIDDEN
const char *get_byte_order_string(int byte_order)
{
const char *string;
switch (byte_order) {
case LITTLE_ENDIAN:
string = "le";
break;
case BIG_ENDIAN:
string = "be";
break;
default:
string = "unknown";
break;
}
return string;
}
static
int append_trace_metadata(struct bt_ctf_writer *writer,
struct metadata_context *context)
{
unsigned char *uuid = writer->uuid;
int ret;
g_string_append(context->string, "trace {\n");
g_string_append(context->string, "\tmajor = 1;\n");
g_string_append(context->string, "\tminor = 8;\n");
g_string_append_printf(context->string,
"\tuuid = \"%02x%02x%02x%02x-%02x%02x-%02x%02x-%02x%02x-%02x%02x%02x%02x%02x%02x\";\n",
uuid[0], uuid[1], uuid[2], uuid[3],
uuid[4], uuid[5], uuid[6], uuid[7],
uuid[8], uuid[9], uuid[10], uuid[11],
uuid[12], uuid[13], uuid[14], uuid[15]);
g_string_append_printf(context->string, "\tbyte_order = %s;\n",
get_byte_order_string(writer->byte_order));
g_string_append(context->string, "\tpacket.header := ");
context->current_indentation_level++;
g_string_assign(context->field_name, "");
ret = bt_ctf_field_type_serialize(writer->trace_packet_header_type,
context);
if (ret) {
goto end;
}
context->current_indentation_level--;
g_string_append(context->string, ";\n};\n\n");
end:
return ret;
}
