X-Git-Url: https://git.lttng.org/?p=lttng-tools.git;a=blobdiff_plain;f=tests%2Fregression%2Ftools%2Ftrigger%2Fhidden%2Fhidden_trigger.c;fp=tests%2Fregression%2Ftools%2Ftrigger%2Fhidden%2Fhidden_trigger.c;h=3ff126562c526159185369690ced758063e3ab7b;hp=0000000000000000000000000000000000000000;hb=1cc00241a01b1f3a1ed54fc43457bb798724f36e;hpb=f2bda80eb1fe2f73dda9a7590d9960cdccb0f733

diff --git a/tests/regression/tools/trigger/hidden/hidden_trigger.c b/tests/regression/tools/trigger/hidden/hidden_trigger.c
new file mode 100644
index 000000000..3ff126562
--- /dev/null
+++ b/tests/regression/tools/trigger/hidden/hidden_trigger.c
@@ -0,0 +1,181 @@
+/*
+ * trigger_name.c
+ *
+ * Test that hidden triggers are not visible to liblttng-ctl.
+ *
+ * Copyright (C) 2021 Jérémie Galarneau <jeremie.galarneau@efficios.com>
+ *
+ * SPDX-License-Identifier: MIT
+ *
+ */
+
+#include <assert.h>
+#include <stdint.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+
+#include <tap/tap.h>
+
+#include <common/macros.h>
+#include <lttng/lttng.h>
+
+#define TEST_COUNT 1
+
+#define TEST_SESSION_NAME "test_session"
+#define TEST_CHANNEL_NAME "test_channel"
+
+static
+int get_registered_triggers_count(void)
+{
+	int ret;
+	enum lttng_error_code ret_code;
+	enum lttng_trigger_status trigger_status;
+	struct lttng_triggers *triggers = NULL;
+	unsigned int trigger_count;
+
+	ret_code = lttng_list_triggers(&triggers);
+	if (ret_code != LTTNG_OK) {
+		fail("Failed to list triggers");
+		ret = -1;
+		goto end;
+	}
+
+	trigger_status = lttng_triggers_get_count(triggers, &trigger_count);
+	if (trigger_status != LTTNG_TRIGGER_STATUS_OK) {
+		fail("Failed to get count of triggers returned by listing");
+		ret = -1;
+		goto end;
+	}
+
+	ret = (int) trigger_count;
+
+end:
+	lttng_triggers_destroy(triggers);
+	return ret;
+}
+
+static
+int setup_session_with_size_rotation_schedule(const char *session_output_path)
+{
+	int ret;
+	struct lttng_session_descriptor *session_desriptor = NULL;
+	enum lttng_error_code ret_code;
+	struct lttng_handle ust_channel_handle = {
+		.session_name = TEST_SESSION_NAME,
+		.domain.type = LTTNG_DOMAIN_UST,
+		.domain.buf_type = LTTNG_BUFFER_PER_UID,
+	};
+	struct lttng_channel channel_cfg = {
+		.name = TEST_CHANNEL_NAME,
+		.enabled = 1,
+		.attr.overwrite = -1,
+		.attr.subbuf_size = sysconf(_SC_PAGESIZE) * 8,
+		.attr.num_subbuf = 8,
+		.attr.output = LTTNG_EVENT_MMAP,
+	};
+	enum lttng_rotation_status rotation_status;
+	struct lttng_rotation_schedule *rotation_schedule = NULL;
+
+	session_desriptor = lttng_session_descriptor_local_create(
+			TEST_SESSION_NAME, session_output_path);
+	if (!session_desriptor) {
+		fail("Failed to create session descriptor for session `%s`",
+				TEST_SESSION_NAME);
+		ret = -1;
+		goto end;
+	}
+
+	ret_code = lttng_create_session_ext(session_desriptor);
+	if (ret_code != LTTNG_OK) {
+		fail("Failed to create session `%s`: %s", TEST_SESSION_NAME,
+				lttng_strerror(-ret_code));
+		ret = -1;
+		goto end;
+	}
+
+	ret = lttng_enable_channel(&ust_channel_handle, &channel_cfg);
+	if (ret) {
+		fail("Failed to enable channel `%s`: %s", TEST_CHANNEL_NAME,
+				lttng_strerror(ret));
+		ret = -1;
+		goto end;
+	}
+
+	ret = lttng_start_tracing(TEST_SESSION_NAME);
+	if (ret) {
+		fail("Failed to start session `%s`: %s", TEST_SESSION_NAME,
+				lttng_strerror(ret));
+		ret = -1;
+		goto end;
+	}
+
+	rotation_schedule = lttng_rotation_schedule_size_threshold_create();
+	if (!rotation_schedule) {
+		fail("Failed to create rotation schedule descriptor");
+		ret = -1;
+		goto end;
+	}
+
+	/*
+	 * The rotation schedule size threshold doesn't matter; no event rules
+	 * were specified so the session consumed size should not grow over
+	 * time.
+	 */
+	rotation_status = lttng_rotation_schedule_size_threshold_set_threshold(
+			rotation_schedule, sysconf(_SC_PAGESIZE) * 4096);
+	if (rotation_status != LTTNG_ROTATION_STATUS_OK) {
+		fail("Failed to set size threshold of session rotation schedule");
+		ret = -1;
+		goto end;
+	}
+
+	rotation_status = lttng_session_add_rotation_schedule(
+			TEST_SESSION_NAME, rotation_schedule);
+	if (rotation_status != LTTNG_ROTATION_STATUS_OK) {
+		fail("Failed to set size-based rotation schedule on session `%s`",
+				TEST_SESSION_NAME);
+		ret = -1;
+		goto end;
+	}
+
+	ret = 0;
+end:
+	lttng_session_descriptor_destroy(session_desriptor);
+	lttng_rotation_schedule_destroy(rotation_schedule);
+	return ret;
+}
+
+int main(int argc, const char **argv)
+{
+	int ret;
+
+	if (argc != 2) {
+		fail("Missing trace path");
+		goto end;
+	}
+
+	plan_tests(TEST_COUNT);
+
+	if (get_registered_triggers_count() != 0) {
+		fail("Session daemon already has registered triggers, bailing out");
+		goto end;
+	}
+
+	ret = setup_session_with_size_rotation_schedule(argv[1]);
+	if (ret) {
+		goto end;
+	}
+
+	ok(get_registered_triggers_count() == 0,
+			"No triggers visible while session has an enabled size-based rotation schedule");
+
+	ret = lttng_destroy_session(TEST_SESSION_NAME);
+	if (ret) {
+		fail("Failed to destroy session `%s`", TEST_SESSION_NAME);
+		goto end;
+	}
+end:
+	return exit_status();
+}