+++ /dev/null
-/*
- * Copyright (C) 2020 Jérémie Galarneau <jeremie.galarneau@efficios.com>
- *
- * SPDX-License-Identifier: LGPL-2.1-only
- *
- */
-
-#include <unistd.h>
-
-#include <common/compat/fcntl.h>
-#include <common/payload.h>
-#include <common/payload-view.h>
-#include <tap/tap.h>
-
-static const int TEST_COUNT = 5;
-
-/* For error.h */
-int lttng_opt_quiet = 1;
-int lttng_opt_verbose;
-int lttng_opt_mi;
-
-static void test_fd_push_pop_order(void)
-{
- int ret, i;
- struct lttng_payload payload;
- int fds[3];
-
- lttng_payload_init(&payload);
-
- diag("Validating fd push/pop order");
- for (i = 0; i < 3; i++) {
- int fd = fcntl(STDOUT_FILENO, F_DUPFD, 0);
- struct fd_handle *handle;
-
- LTTNG_ASSERT(fd >= 0);
- fds[i] = fd;
-
- handle = fd_handle_create(fd);
- LTTNG_ASSERT(handle);
-
- ret = lttng_payload_push_fd_handle(&payload, handle);
- fd_handle_put(handle);
- if (ret) {
- break;
- }
- }
-
- ok(ret == 0, "Added three file descriptors to an lttng_payload");
-
- {
- bool fail_pop = false;
- struct lttng_payload_view view =
- lttng_payload_view_from_payload(
- &payload, 0, -1);
-
- for (i = 0; i < 3; i++) {
- struct fd_handle *handle =
- lttng_payload_view_pop_fd_handle(&view);
-
- fail_pop |= fd_handle_get_fd(handle) != fds[i];
- fd_handle_put(handle);
- }
-
- ok(!fail_pop, "File descriptors are popped from a payload view in the order of insertion");
- }
-
- lttng_payload_reset(&payload);
-}
-
-static void test_fd_push_pop_imbalance(void)
-{
- int ret, i;
- struct lttng_payload payload;
- const char * const test_description = "Error reported when popping more file descriptors than were pushed";
-
- lttng_payload_init(&payload);
-
- diag("Validating fd pop imbalance");
- for (i = 0; i < 10; i++) {
- struct fd_handle *handle;
- int fd = fcntl(STDOUT_FILENO, F_DUPFD, 0);
-
- LTTNG_ASSERT(fd >= 0);
-
- handle = fd_handle_create(fd);
- LTTNG_ASSERT(handle);
-
- ret = lttng_payload_push_fd_handle(&payload, handle);
- fd_handle_put(handle);
- if (ret) {
- break;
- }
- }
-
- {
- struct fd_handle *handle;
- struct lttng_payload_view view =
- lttng_payload_view_from_payload(
- &payload, 0, -1);
-
- for (i = 0; i < 10; i++) {
- handle = lttng_payload_view_pop_fd_handle(&view);
- fd_handle_put(handle);
- if (!handle) {
- goto fail;
- }
- }
-
- handle = lttng_payload_view_pop_fd_handle(&view);
- ok(!handle, test_description);
- fd_handle_put(handle);
- }
-
- lttng_payload_reset(&payload);
- return;
-fail:
- fail(test_description);
- lttng_payload_reset(&payload);
-}
-
-static void test_fd_pop_fd_root_views(void)
-{
- int ret, i;
- int fd = fcntl(STDOUT_FILENO, F_DUPFD, 0);
- struct fd_handle *handle;
- struct lttng_payload payload;
- const char * const test_description = "Same file descriptor returned when popping from different top-level views";
-
- LTTNG_ASSERT(fd >= 0);
- handle = fd_handle_create(fd);
- LTTNG_ASSERT(handle);
-
- lttng_payload_init(&payload);
-
- diag("Validating root view fd pop behaviour");
- ret = lttng_payload_push_fd_handle(&payload, handle);
- if (ret) {
- goto fail;
- }
-
- for (i = 0; i < 5; i++) {
- int view_fd;
- struct fd_handle *view_handle;
- struct lttng_payload_view view =
- lttng_payload_view_from_payload(
- &payload, 0, -1);
-
- view_handle = lttng_payload_view_pop_fd_handle(&view);
- if (!view_handle) {
- goto fail;
- }
-
- view_fd = fd_handle_get_fd(view_handle);
- fd_handle_put(view_handle);
- if (view_fd != fd || view_handle != handle) {
- goto fail;
- }
- }
-
- lttng_payload_reset(&payload);
- pass(test_description);
- fd_handle_put(handle);
- return;
-fail:
- lttng_payload_reset(&payload);
- fail(test_description);
- fd_handle_put(handle);
-}
-
-static void test_fd_pop_fd_descendant_views(void)
-{
- int ret;
- const int fd1 = 42, fd2 = 1837;
- struct fd_handle *handle1 = fd_handle_create(fd1);
- struct fd_handle *handle2 = fd_handle_create(fd2);
- struct fd_handle *view_handle1 = NULL, *view_handle2 = NULL;
- struct lttng_payload payload;
- const char * const test_description = "Different file descriptors returned when popping from descendant views";
-
- lttng_payload_init(&payload);
- LTTNG_ASSERT(handle1);
- LTTNG_ASSERT(handle2);
-
- diag("Validating descendant view fd pop behaviour");
- ret = lttng_payload_push_fd_handle(&payload, handle1);
- if (ret) {
- goto fail;
- }
-
- ret = lttng_payload_push_fd_handle(&payload, handle2);
- if (ret) {
- goto fail;
- }
-
- {
- struct lttng_payload_view view1 =
- lttng_payload_view_from_payload(
- &payload, 0, -1);
- struct lttng_payload_view view2 =
- lttng_payload_view_from_view(
- &view1, 0, -1);
-
- view_handle1 = lttng_payload_view_pop_fd_handle(&view1);
- if (!view_handle1 || fd_handle_get_fd(view_handle1) != fd1) {
- goto fail;
- }
-
- view_handle2 = lttng_payload_view_pop_fd_handle(&view2);
- if (!view_handle2 || fd_handle_get_fd(view_handle2) != fd2) {
- goto fail;
- }
- }
-
- lttng_payload_reset(&payload);
- pass(test_description);
- fd_handle_put(handle1);
- fd_handle_put(handle2);
- fd_handle_put(view_handle1);
- fd_handle_put(view_handle2);
- return;
-fail:
- lttng_payload_reset(&payload);
- fail(test_description);
- fd_handle_put(handle1);
- fd_handle_put(handle2);
- fd_handle_put(view_handle1);
- fd_handle_put(view_handle2);
-}
-
-int main(void)
-{
- plan_tests(TEST_COUNT);
-
- test_fd_push_pop_order();
- test_fd_push_pop_imbalance();
- test_fd_pop_fd_root_views();
- test_fd_pop_fd_descendant_views();
-
- return exit_status();
-}
projects / lttng-tools.git / blobdiff