* Copyright (C) 2020 Philippe Proulx <pproulx@efficios.com>
*/
+#include <glib.h>
#include <stdlib.h>
-#include <stdio.h>
#include <string.h>
-#include <assert.h>
+
#include <babeltrace2/babeltrace.h>
-#include <glib.h>
#include "common/assert.h"
-#include "utils.hpp"
+#include "cpp-common/vendor/fmt/core.h"
+#include "cpp-common/vendor/nlohmann/json.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;
-};
+#include "utils.hpp"
-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)
+CondTrigger::CondTrigger(const Type type, const std::string& condId,
+ const bt2c::CStringView nameSuffix) noexcept :
+ _mType {type},
+ _mCondId {fmt::format("{}:{}", type == Type::Pre ? "pre" : "post", condId)},
+ _mName {fmt::format("{}{}{}", condId, nameSuffix ? "-" : "", nameSuffix ? nameSuffix : "")}
{
- 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)
+SimpleCondTrigger::SimpleCondTrigger(std::function<void()> func, const Type type,
+ const std::string& condId,
+ const bt2c::CStringView nameSuffix) :
+ CondTrigger {type, condId, nameSuffix},
+ _mFunc {std::move(func)}
{
- /* 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.
- */
-}
+namespace {
-static
-void run_in_comp_cls_init_defer(bt_self_component *self_comp,
- void *user_data)
+void listCondTriggers(const CondTriggers& condTriggers) noexcept
{
- cond_trigger_run_in_comp_cls_init_func user_func =
- reinterpret_cast<cond_trigger_run_in_comp_cls_init_func>(user_data);
+ auto condTriggerArray = nlohmann::json::array();
- user_func(self_comp);
-}
+ for (const auto& condTrigger : condTriggers) {
+ condTriggerArray.push_back(nlohmann::json {
+ {"cond-id", condTrigger->condId()},
+ {"name", condTrigger->name()},
+ });
+ }
-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();
- }
+ fmt::println("{}", condTriggerArray.dump());
}
-static
-void escape_json_string(const char *str, GString *escaped_str)
-{
- g_string_assign(escaped_str, "");
-
- for (const char *ch = str; *ch; ch++) {
- if (*ch == '\\' || *ch == '"') {
- g_string_append_c(escaped_str, '\\');
- }
-
- g_string_append_c(escaped_str, *ch);
- }
-}
-
-static
-void list_triggers(const struct cond_trigger triggers[], size_t trigger_count)
-{
- GString *escaped_str = g_string_new(NULL);
- size_t i;
-
- BT_ASSERT(escaped_str);
- printf("[");
-
- for (i = 0; i < trigger_count; i++) {
- const struct cond_trigger *trigger = &triggers[i];
-
- /* 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);
-}
+} /* namespace */
-void cond_main(int argc, const char *argv[],
- const struct cond_trigger triggers[], size_t trigger_count)
+void condMain(const bt2s::span<const char * const> argv, const CondTriggers& condTriggers) noexcept
{
- 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(argv.size() >= 2);
+
+ if (strcmp(argv[1], "list") == 0) {
+ listCondTriggers(condTriggers);
+ } else if (strcmp(argv[1], "run") == 0) {
+ /*
+ * It's expected that calling `*condTriggers[index]` below
+ * aborts (calls bt_common_abort()). In this testing context, we
+ * don't want any custom abortion command to run.
+ */
+ g_unsetenv("BABELTRACE_EXEC_ON_ABORT");
+
+ /* Call the trigger */
+ BT_ASSERT(argv.size() >= 3);
+
+ const auto index = atoi(argv[2]);
+
+ BT_ASSERT(index >= 0 && index < condTriggers.size());
+ (*condTriggers[index])();
+ }
}
projects / babeltrace.git / blobdiff