--- /dev/null
+/*
+ * Copyright (C) 2011 David Goulet <david.goulet@polymtl.ca>
+ *
+ * SPDX-License-Identifier: GPL-2.0-only
+ *
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+#include <time.h>
+#include <urcu.h>
+
+#include <lttng/lttng.h>
+#include <bin/lttng-sessiond/lttng-ust-abi.h>
+#include <common/defaults.h>
+#include <common/compat/errno.h>
+#include <bin/lttng-sessiond/trace-ust.h>
+#include <bin/lttng-sessiond/ust-app.h>
+#include <bin/lttng-sessiond/notification-thread.h>
+
+#include <lttng/ust-sigbus.h>
+
+#include <tap/tap.h>
+
+/* This path will NEVER be created in this test */
+#define PATH1 "/tmp/.test-junk-lttng"
+
+#define RANDOM_STRING_LEN 11
+
+/* Number of TAP tests in this file */
+#define NUM_TESTS 16
+
+DEFINE_LTTNG_UST_SIGBUS_STATE();
+
+static const char alphanum[] =
+ "0123456789"
+ "ABCDEFGHIJKLMNOPQRSTUVWXYZ"
+ "abcdefghijklmnopqrstuvwxyz";
+static char random_string[RANDOM_STRING_LEN];
+
+/*
+ * Return random string of 10 characters.
+ * Not thread-safe.
+ */
+static char *get_random_string(void)
+{
+ int i;
+
+ for (i = 0; i < RANDOM_STRING_LEN - 1; i++) {
+ random_string[i] = alphanum[rand() % (sizeof(alphanum) - 1)];
+ }
+
+ random_string[RANDOM_STRING_LEN - 1] = '\0';
+
+ return random_string;
+}
+
+static void test_create_one_ust_session(void)
+{
+ struct ltt_ust_session *usess =
+ trace_ust_create_session(42);
+
+ ok(usess != NULL, "Create UST session");
+
+ if (!usess) {
+ skip(1, "UST session is null");
+ return;
+ }
+
+ ok(usess->id == 42 &&
+ usess->active == 0 &&
+ usess->domain_global.channels != NULL &&
+ usess->uid == 0 &&
+ usess->gid == 0,
+ "Validate UST session");
+
+ trace_ust_destroy_session(usess);
+}
+
+static void test_create_ust_channel(void)
+{
+ struct ltt_ust_channel *uchan;
+ struct lttng_channel attr;
+ struct lttng_channel_extended extended;
+
+ memset(&attr, 0, sizeof(attr));
+ memset(&extended, 0, sizeof(extended));
+ attr.attr.extended.ptr = &extended;
+
+ ok(lttng_strncpy(attr.name, "channel0", sizeof(attr.name)) == 0,
+ "Validate channel name length");
+ uchan = trace_ust_create_channel(&attr, LTTNG_DOMAIN_UST);
+ ok(uchan != NULL, "Create UST channel");
+
+ if (!uchan) {
+ skip(1, "UST channel is null");
+ return;
+ }
+
+ ok(uchan->enabled == 0 &&
+ strncmp(uchan->name, "channel0", 8) == 0 &&
+ uchan->name[LTTNG_UST_ABI_SYM_NAME_LEN - 1] == '\0' &&
+ uchan->ctx != NULL &&
+ uchan->events != NULL &&
+ uchan->attr.overwrite == attr.attr.overwrite,
+ "Validate UST channel");
+
+ trace_ust_destroy_channel(uchan);
+}
+
+static void test_create_ust_event(void)
+{
+ struct ltt_ust_event *event;
+ struct lttng_event ev;
+ enum lttng_error_code ret;
+
+ memset(&ev, 0, sizeof(ev));
+ ok(lttng_strncpy(ev.name, get_random_string(),
+ LTTNG_SYMBOL_NAME_LEN) == 0,
+ "Validate string length");
+ ev.type = LTTNG_EVENT_TRACEPOINT;
+ ev.loglevel_type = LTTNG_EVENT_LOGLEVEL_ALL;
+
+ ret = trace_ust_create_event(&ev, NULL, NULL, NULL, false, &event);
+
+ ok(ret == LTTNG_OK, "Create UST event");
+
+ if (!event) {
+ skip(1, "UST event is null");
+ return;
+ }
+
+ ok(event->enabled == 0 &&
+ event->attr.instrumentation == LTTNG_UST_ABI_TRACEPOINT &&
+ strcmp(event->attr.name, ev.name) == 0 &&
+ event->attr.name[LTTNG_UST_ABI_SYM_NAME_LEN - 1] == '\0',
+ "Validate UST event");
+
+ trace_ust_destroy_event(event);
+}
+
+static void test_create_ust_event_exclusion(void)
+{
+ enum lttng_error_code ret;
+ struct ltt_ust_event *event;
+ struct lttng_event ev;
+ char *name;
+ char *random_name;
+ struct lttng_event_exclusion *exclusion = NULL;
+ struct lttng_event_exclusion *exclusion_copy = NULL;
+ const int exclusion_count = 2;
+
+ memset(&ev, 0, sizeof(ev));
+
+ /* make a wildcarded event name */
+ name = get_random_string();
+ name[strlen(name) - 1] = '*';
+ ok(lttng_strncpy(ev.name, name, LTTNG_SYMBOL_NAME_LEN) == 0,
+ "Validate string length");
+
+ ev.type = LTTNG_EVENT_TRACEPOINT;
+ ev.loglevel_type = LTTNG_EVENT_LOGLEVEL_ALL;
+
+ /* set up an exclusion set */
+ exclusion = (lttng_event_exclusion *) zmalloc(sizeof(*exclusion) +
+ LTTNG_SYMBOL_NAME_LEN * exclusion_count);
+ ok(exclusion != NULL, "Create UST exclusion");
+ if (!exclusion) {
+ skip(4, "zmalloc failed");
+ goto end;
+ }
+
+ exclusion->count = exclusion_count;
+ random_name = get_random_string();
+ strncpy(LTTNG_EVENT_EXCLUSION_NAME_AT(exclusion, 0), random_name,
+ LTTNG_SYMBOL_NAME_LEN);
+ strncpy(LTTNG_EVENT_EXCLUSION_NAME_AT(exclusion, 1), random_name,
+ LTTNG_SYMBOL_NAME_LEN);
+
+ ret = trace_ust_create_event(&ev, NULL, NULL, exclusion, false, &event);
+ exclusion = NULL;
+
+ ok(ret != LTTNG_OK, "Create UST event with identical exclusion names fails");
+
+ exclusion = (lttng_event_exclusion *) zmalloc(sizeof(*exclusion) +
+ LTTNG_SYMBOL_NAME_LEN * exclusion_count);
+ ok(exclusion != NULL, "Create UST exclusion");
+ if (!exclusion) {
+ skip(2, "zmalloc failed");
+ goto end;
+ }
+
+ exclusion_copy = (lttng_event_exclusion *) zmalloc(sizeof(*exclusion) +
+ LTTNG_SYMBOL_NAME_LEN * exclusion_count);
+ if (!exclusion_copy) {
+ skip(2, "zmalloc failed");
+ goto end;
+ }
+
+ /*
+ * We are giving ownership of the exclusion struct to the
+ * trace_ust_create_event() function. Make a copy of the exclusion struct
+ * so we can compare it later.
+ */
+
+ exclusion->count = exclusion_count;
+ strncpy(LTTNG_EVENT_EXCLUSION_NAME_AT(exclusion, 0),
+ get_random_string(), LTTNG_SYMBOL_NAME_LEN);
+ strncpy(LTTNG_EVENT_EXCLUSION_NAME_AT(exclusion, 1),
+ get_random_string(), LTTNG_SYMBOL_NAME_LEN);
+
+ exclusion_copy->count = exclusion_count;
+ strncpy(LTTNG_EVENT_EXCLUSION_NAME_AT(exclusion_copy, 0),
+ LTTNG_EVENT_EXCLUSION_NAME_AT(exclusion, 0), LTTNG_SYMBOL_NAME_LEN);
+ strncpy(LTTNG_EVENT_EXCLUSION_NAME_AT(exclusion_copy, 1),
+ LTTNG_EVENT_EXCLUSION_NAME_AT(exclusion, 1), LTTNG_SYMBOL_NAME_LEN);
+
+ ret = trace_ust_create_event(&ev, NULL, NULL, exclusion, false, &event);
+ exclusion = NULL;
+ ok(ret == LTTNG_OK, "Create UST event with different exclusion names");
+
+ if (!event) {
+ skip(1, "UST event with exclusion is null");
+ goto end;
+ }
+
+ ok(event->enabled == 0 &&
+ event->attr.instrumentation == LTTNG_UST_ABI_TRACEPOINT &&
+ strcmp(event->attr.name, ev.name) == 0 &&
+ event->exclusion != NULL &&
+ event->exclusion->count == exclusion_count &&
+ !memcmp(event->exclusion->names, exclusion_copy->names,
+ LTTNG_SYMBOL_NAME_LEN * exclusion_count) &&
+ event->attr.name[LTTNG_UST_ABI_SYM_NAME_LEN - 1] == '\0',
+ "Validate UST event and exclusion");
+
+ trace_ust_destroy_event(event);
+end:
+ free(exclusion);
+ free(exclusion_copy);
+ return;
+}
+
+
+static void test_create_ust_context(void)
+{
+ struct lttng_event_context ectx;
+ struct ltt_ust_context *uctx;
+
+ ectx.ctx = LTTNG_EVENT_CONTEXT_VTID;
+
+ uctx = trace_ust_create_context(&ectx);
+ ok(uctx != NULL, "Create UST context");
+
+ if (uctx) {
+ ok((int) uctx->ctx.ctx == LTTNG_UST_ABI_CONTEXT_VTID,
+ "Validate UST context");
+ } else {
+ skip(1, "Skipping UST context validation as creation failed");
+ }
+ free(uctx);
+}
+
+int main(int argc, char **argv)
+{
+ plan_tests(NUM_TESTS);
+
+ diag("UST data structures unit test");
+
+ rcu_register_thread();
+
+ test_create_one_ust_session();
+ test_create_ust_channel();
+ test_create_ust_event();
+ test_create_ust_context();
+ test_create_ust_event_exclusion();
+
+ rcu_unregister_thread();
+
+ return exit_status();
+}
projects / lttng-tools.git / blobdiff