LttvTraceset *lttv_traceset_copy(LttvTraceset *s_orig)
{
guint i;
LttvTraceset *s;
LttvTrace * trace;
s = g_new(LttvTraceset, 1);
s->filename = NULL;
s->common_path = strdup(s_orig->common_path);
s->traces = g_ptr_array_new();
s->state_trace_handle_index = g_ptr_array_new();
for(i=0;i<s_orig->traces->len;i++)
{
trace = g_ptr_array_index(s_orig->traces, i);
trace->ref_count++;
/* WARNING: this is an alias, not a copy. */
g_ptr_array_add(s->traces, trace);
g_ptr_array_set_size(s->state_trace_handle_index,trace->id+1);
g_ptr_array_index(s->state_trace_handle_index,trace->id) = trace->state;
}
s->context = s_orig->context;
bt_context_get(s->context);
s->a = LTTV_ATTRIBUTE(lttv_iattribute_deep_copy(LTTV_IATTRIBUTE(s_orig->a)));
return s;
}
int bt_iter_init(struct bt_iter *iter,
struct bt_context *ctx,
const struct bt_iter_pos *begin_pos,
const struct bt_iter_pos *end_pos)
{
int i;
int ret = 0;
if (!iter || !ctx || !ctx->tc || !ctx->tc->array)
return -EINVAL;
if (ctx->current_iterator) {
ret = -1;
goto error_ctx;
}
iter->stream_heap = g_new(struct ptr_heap, 1);
iter->end_pos = end_pos;
bt_context_get(ctx);
iter->ctx = ctx;
ret = bt_heap_init(iter->stream_heap, 0, stream_compare);
if (ret < 0)
goto error_heap_init;
for (i = 0; i < ctx->tc->array->len; i++) {
struct bt_trace_descriptor *td_read;
td_read = g_ptr_array_index(ctx->tc->array, i);
if (!td_read)
continue;
ret = bt_iter_add_trace(iter, td_read);
if (ret < 0)
goto error;
}
ctx->current_iterator = iter;
if (begin_pos && begin_pos->type != BT_SEEK_BEGIN) {
ret = bt_iter_set_pos(iter, begin_pos);
if (ret) {
goto error;
}
}
return ret;
error:
bt_heap_free(iter->stream_heap);
error_heap_init:
g_free(iter->stream_heap);
iter->stream_heap = NULL;
error_ctx:
return ret;
}
