#include <assert.h>
#include <babeltrace2/babeltrace.h>
#include <glib.h>
+#include <iostream>
#include "common/assert.h"
+#include "cpp-common/nlohmann/json.hpp"
#include "utils.hpp"
+#include "../utils/run-in.hpp"
-typedef void (* run_in_comp_cls_init_func)(
- bt_self_component *self_comp, void *user_data);
-
-struct comp_cls_init_method_data {
- run_in_comp_cls_init_func func;
- void *user_data;
-};
-
-static
-bt_component_class_initialize_method_status comp_cls_init(
- bt_self_component_source *self_comp,
- bt_self_component_source_configuration *conf,
- const bt_value *params, void *init_method_data)
-{
- comp_cls_init_method_data *data =
- static_cast<comp_cls_init_method_data *>(init_method_data);
-
- /* Call user function which is expected to abort */
- data->func(bt_self_component_source_as_self_component(self_comp),
- data->user_data);
-
- /* Never reached! */
- return BT_COMPONENT_CLASS_INITIALIZE_METHOD_STATUS_ERROR;
-}
-
-static
-bt_message_iterator_class_next_method_status msg_iter_cls_next(
- bt_self_message_iterator *self_msg_iter,
- bt_message_array_const msgs, uint64_t capacity,
- uint64_t *count)
-{
- /* Not used */
- return BT_MESSAGE_ITERATOR_CLASS_NEXT_METHOD_STATUS_ERROR;
-}
-
-static
-void run_in_comp_cls_init(run_in_comp_cls_init_func func,
- void *user_data)
-{
- bt_message_iterator_class *msg_iter_cls;
- bt_component_class_source *comp_cls;
- bt_component_class_set_method_status set_method_status;
- bt_graph *graph;
- struct comp_cls_init_method_data init_method_data = {
- .func = func,
- .user_data = user_data,
- };
-
- /* Create component class */
- msg_iter_cls = bt_message_iterator_class_create(msg_iter_cls_next);
- BT_ASSERT(msg_iter_cls);
- comp_cls = bt_component_class_source_create("yo", msg_iter_cls);
- BT_ASSERT(comp_cls);
- set_method_status = bt_component_class_source_set_initialize_method(
- comp_cls, comp_cls_init);
- BT_ASSERT(set_method_status == BT_COMPONENT_CLASS_SET_METHOD_STATUS_OK);
-
- /* Create graph */
- graph = bt_graph_create(0);
- BT_ASSERT(graph);
-
- /*
- * Add source component: this calls the initialization method,
- * calling `func`.
- */
- (void) bt_graph_add_source_component_with_initialize_method_data(graph,
- comp_cls, "whatever", NULL, &init_method_data,
- BT_LOGGING_LEVEL_NONE, NULL);
-
- /*
- * This point is not expected to be reached as func() is
- * expected to abort.
- */
-}
-
-static
-void run_in_comp_cls_init_defer(bt_self_component *self_comp,
- void *user_data)
-{
- cond_trigger_run_in_comp_cls_init_func user_func =
- reinterpret_cast<cond_trigger_run_in_comp_cls_init_func>(user_data);
-
- user_func(self_comp);
-}
-
-static
-void run_trigger(const struct cond_trigger *trigger)
+static void run_trigger(const struct cond_trigger *trigger)
{
- switch (trigger->func_type) {
- case COND_TRIGGER_FUNC_TYPE_BASIC:
- trigger->func.basic();
- break;
- case COND_TRIGGER_FUNC_TYPE_RUN_IN_COMP_CLS_INIT:
- run_in_comp_cls_init(run_in_comp_cls_init_defer,
- reinterpret_cast<void *>(trigger->func.run_in_comp_cls_init));
- break;
- default:
- abort();
- }
+ switch (trigger->func_type) {
+ case COND_TRIGGER_FUNC_TYPE_BASIC:
+ trigger->func.basic();
+ break;
+ case COND_TRIGGER_FUNC_TYPE_RUN_IN_COMP_CLS_INIT:
+ runInCompClsInit(trigger->func.run_in_comp_cls_init);
+ break;
+ default:
+ abort();
+ }
}
-static
-void escape_json_string(const char *str, GString *escaped_str)
+static void list_triggers(const struct cond_trigger triggers[], size_t trigger_count)
{
- g_string_assign(escaped_str, "");
+ nlohmann::json trigger_array = nlohmann::json::array();
- for (const char *ch = str; *ch; ch++) {
- if (*ch == '\\' || *ch == '"') {
- g_string_append_c(escaped_str, '\\');
- }
+ for (size_t i = 0; i < trigger_count; i++) {
+ nlohmann::json trigger_obj = nlohmann::json::object();
+ const cond_trigger& trigger = triggers[i];
- g_string_append_c(escaped_str, *ch);
- }
-}
+ /* Condition ID */
+ trigger_obj["cond-id"] = trigger.cond_id;
-static
-void list_triggers(const struct cond_trigger triggers[], size_t trigger_count)
-{
- GString *escaped_str = g_string_new(NULL);
- size_t i;
+ /* Name starts with condition ID */
+ std::string name = trigger.cond_id;
- BT_ASSERT(escaped_str);
- printf("[");
+ if (trigger.suffix) {
+ name += '-';
+ name += trigger.suffix;
+ }
- for (i = 0; i < trigger_count; i++) {
- const struct cond_trigger *trigger = &triggers[i];
+ trigger_obj["name"] = std::move(name);
+ trigger_array.push_back(std::move(trigger_obj));
+ }
- /* Condition ID */
- escape_json_string(trigger->cond_id, escaped_str);
- printf("{\"cond-id\":\"%s\",", escaped_str->str);
-
- /* Name starts with condition ID */
- printf("\"name\":\"%s", escaped_str->str);
-
- if (trigger->suffix) {
- escape_json_string(trigger->suffix, escaped_str);
- printf("-%s", escaped_str->str);
- }
-
- printf("\"}");
-
- if (i < trigger_count - 1) {
- /* Comma between objects */
- printf(",");
- }
- }
-
- printf("]");
- g_string_free(escaped_str, TRUE);
- fflush(stdout);
+ auto str = trigger_array.dump();
+ std::cout << str;
+ std::flush(std::cout);
}
-void cond_main(int argc, const char *argv[],
- const struct cond_trigger triggers[], size_t trigger_count)
+void cond_main(int argc, const char *argv[], const struct cond_trigger triggers[],
+ size_t trigger_count)
{
- BT_ASSERT(argc >= 2);
-
- if (strcmp(argv[1], "list") == 0) {
- list_triggers(triggers, trigger_count);
- } else if (strcmp(argv[1], "run") == 0) {
- int index;
-
- BT_ASSERT(argc >= 3);
- index = atoi(argv[2]);
- BT_ASSERT(index >= 0 && index < trigger_count);
- run_trigger(&triggers[index]);
- }
+ BT_ASSERT(argc >= 2);
+
+ if (strcmp(argv[1], "list") == 0) {
+ list_triggers(triggers, trigger_count);
+ } else if (strcmp(argv[1], "run") == 0) {
+ int index;
+
+ BT_ASSERT(argc >= 3);
+ index = atoi(argv[2]);
+ BT_ASSERT(index >= 0 && index < trigger_count);
+ run_trigger(&triggers[index]);
+ }
}