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weston/tests/weston-test-fixture-composi...

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/*
* Copyright 2019 Collabora, Ltd.
*
* Permission is hereby granted, free of charge, to any person obtaining
* a copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sublicense, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* The above copyright notice and this permission notice (including the
* next paragraph) shall be included in all copies or substantial
* portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
#include "config.h"
#include <string.h>
#include <assert.h>
#include <libudev.h>
#include <unistd.h>
#include <sys/file.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <stdarg.h>
#include <stdlib.h>
#include <errno.h>
#include <fcntl.h>
#include "shared/helpers.h"
#include "weston-test-fixture-compositor.h"
#include "weston.h"
#include "test-config.h"
struct prog_args {
int argc;
char **argv;
char **saved;
int alloc;
};
static void
prog_args_init(struct prog_args *p)
{
memset(p, 0, sizeof(*p));
}
static void
prog_args_take(struct prog_args *p, char *arg)
{
assert(arg);
if (p->argc == p->alloc) {
p->alloc += 10;
p->argv = realloc(p->argv, sizeof(char *) * p->alloc);
assert(p->argv);
}
p->argv[p->argc++] = arg;
}
/*
* The program to be executed will trample on argv, hence we need a copy to
* be able to free all our args.
*/
static void
prog_args_save(struct prog_args *p)
{
assert(p->saved == NULL);
p->saved = calloc(p->argc, sizeof(char *));
assert(p->saved);
memcpy(p->saved, p->argv, sizeof(char *) * p->argc);
}
static void
prog_args_fini(struct prog_args *p)
{
int i;
assert(p->saved);
for (i = 0; i < p->argc; i++)
free(p->saved[i]);
free(p->saved);
free(p->argv);
prog_args_init(p);
}
static char *
get_lock_path(void)
{
const char *env_path, *suffix;
char *lock_path;
suffix = "weston-test-suite-drm-lock";
env_path = getenv("XDG_RUNTIME_DIR");
if (!env_path) {
fprintf(stderr, "Failed to compute lock file path. " \
"XDG_RUNTIME_DIR is not set.\n");
return NULL;
}
if (asprintf(&lock_path, "%s/%s", env_path, suffix) == -1)
return NULL;
return lock_path;
}
/*
* DRM-backend tests need to be run sequentially, since there can only be
* one user at a time with master status in a DRM KMS device. Since the
* test suite runs the tests in parallel, there's a mechanism to assure
* only one DRM-backend test is running at a time: tests of this type keep
* waiting until they acquire a lock (which is hold until they end).
*
* Returns -1 in failure and fd in success.
*/
static int
wait_for_lock(void)
{
char *lock_path;
int fd;
lock_path = get_lock_path();
if (!lock_path)
goto err_path;
fd = open(lock_path, O_RDWR | O_CLOEXEC | O_CREAT, 00700);
if (fd == -1) {
fprintf(stderr, "Could not open lock file %s: %s\n", lock_path, strerror(errno));
goto err_open;
}
fprintf(stderr, "Waiting for lock on %s...\n", lock_path);
/* The call is blocking, so we don't need a 'while'. Also, as we
* have a timeout for each test, this won't get stuck waiting. */
if (flock(fd, LOCK_EX) == -1) {
fprintf(stderr, "Could not lock %s: %s\n", lock_path, strerror(errno));
goto err_lock;
}
fprintf(stderr, "Lock %s acquired.\n", lock_path);
free(lock_path);
return fd;
err_lock:
close(fd);
err_open:
free(lock_path);
err_path:
return -1;
}
/** Initialize part of compositor setup
*
* \param setup The variable to initialize.
* \param testset_name Value for testset_name member.
*
* \ingroup testharness_private
*/
void
compositor_setup_defaults_(struct compositor_setup *setup,
const char *testset_name)
{
*setup = (struct compositor_setup) {
.test_quirks = (struct weston_testsuite_quirks){ },
.backend = WESTON_BACKEND_HEADLESS,
.renderer = RENDERER_NOOP,
.shell = SHELL_DESKTOP,
.xwayland = false,
.width = 320,
.height = 240,
.scale = 1,
.transform = WL_OUTPUT_TRANSFORM_NORMAL,
.config_file = NULL,
.extra_module = NULL,
.logging_scopes = NULL,
.testset_name = testset_name,
};
}
static const char *
backend_to_str(enum weston_compositor_backend b)
{
static const char * const names[] = {
[WESTON_BACKEND_DRM] = "drm-backend.so",
[WESTON_BACKEND_FBDEV] = "fbdev-backend.so",
[WESTON_BACKEND_HEADLESS] = "headless-backend.so",
[WESTON_BACKEND_RDP] = "rdp-backend.so",
[WESTON_BACKEND_WAYLAND] = "wayland-backend.so",
[WESTON_BACKEND_X11] = "X11-backend.so",
};
assert(b >= 0 && b < ARRAY_LENGTH(names));
return names[b];
}
static const char *
renderer_to_arg(enum weston_compositor_backend b, enum renderer_type r)
{
static const char * const headless_names[] = {
[RENDERER_NOOP] = NULL,
[RENDERER_PIXMAN] = "--use-pixman",
[RENDERER_GL] = "--use-gl",
};
static const char * const drm_names[] = {
[RENDERER_PIXMAN] = "--use-pixman",
[RENDERER_GL] = NULL,
};
switch (b) {
case WESTON_BACKEND_HEADLESS:
assert(r >= RENDERER_NOOP && r <= RENDERER_GL);
return headless_names[r];
case WESTON_BACKEND_DRM:
assert(r >= RENDERER_PIXMAN && r <= RENDERER_GL);
return drm_names[r];
default:
assert(0 && "renderer_to_str() does not know the backend");
}
return NULL;
}
static const char *
shell_to_str(enum shell_type t)
{
static const char * const names[] = {
[SHELL_TEST_DESKTOP] = "weston-test-desktop-shell.so",
[SHELL_DESKTOP] = "desktop-shell.so",
[SHELL_FULLSCREEN] = "fullscreen-shell.so",
[SHELL_IVI] = "ivi-shell.so",
};
assert(t >= 0 && t < ARRAY_LENGTH(names));
return names[t];
}
static const char *
transform_to_str(enum wl_output_transform t)
{
static const char * const names[] = {
[WL_OUTPUT_TRANSFORM_NORMAL] = "normal",
[WL_OUTPUT_TRANSFORM_90] = "rotate-90",
[WL_OUTPUT_TRANSFORM_180] = "rotate-180",
[WL_OUTPUT_TRANSFORM_270] = "rotate-270",
[WL_OUTPUT_TRANSFORM_FLIPPED] = "flipped",
[WL_OUTPUT_TRANSFORM_FLIPPED_90] = "flipped-rotate-90",
[WL_OUTPUT_TRANSFORM_FLIPPED_180] = "flipped-rotate-180",
[WL_OUTPUT_TRANSFORM_FLIPPED_270] = "flipped-rotate-270",
};
assert(t < ARRAY_LENGTH(names) && names[t]);
return names[t];
}
/** Execute compositor
*
* Manufactures the compositor command line and calls wet_main().
*
* Returns RESULT_SKIP if the given setup contains features that were disabled
* in the build, e.g. GL-renderer or DRM-backend.
*
* \ingroup testharness_private
*/
int
execute_compositor(const struct compositor_setup *setup,
struct wet_testsuite_data *data)
{
struct weston_testsuite_data test_data;
struct prog_args args;
char *tmp;
const char *ctmp, *drm_device;
int ret, lock_fd = -1;
if (setenv("WESTON_MODULE_MAP", WESTON_MODULE_MAP, 0) < 0 ||
setenv("WESTON_DATA_DIR", WESTON_DATA_DIR, 0) < 0) {
fprintf(stderr, "Error: environment setup failed.\n");
return RESULT_HARD_ERROR;
}
#ifndef BUILD_DRM_COMPOSITOR
if (setup->backend == WESTON_BACKEND_DRM) {
fprintf(stderr, "DRM-backend required but not built, skipping.\n");
return RESULT_SKIP;
}
#endif
#ifndef BUILD_FBDEV_COMPOSITOR
if (setup->backend == WESTON_BACKEND_FBDEV) {
fprintf(stderr, "fbdev-backend required but not built, skipping.\n");
return RESULT_SKIP;
}
#endif
#ifndef BUILD_RDP_COMPOSITOR
if (setup->backend == WESTON_BACKEND_RDP) {
fprintf(stderr, "RDP-backend required but not built, skipping.\n");
return RESULT_SKIP;
}
#endif
#ifndef BUILD_WAYLAND_COMPOSITOR
if (setup->backend == WESTON_BACKEND_WAYLAND) {
fprintf(stderr, "wayland-backend required but not built, skipping.\n");
return RESULT_SKIP;
}
#endif
#ifndef BUILD_X11_COMPOSITOR
if (setup->backend == WESTON_BACKEND_X11) {
fprintf(stderr, "X11-backend required but not built, skipping.\n");
return RESULT_SKIP;
}
#endif
#ifndef ENABLE_EGL
if (setup->renderer == RENDERER_GL) {
fprintf(stderr, "GL-renderer required but not built, skipping.\n");
return RESULT_SKIP;
}
#endif
#if !TEST_GL_RENDERER
if (setup->renderer == RENDERER_GL) {
fprintf(stderr, "GL-renderer disabled for tests, skipping.\n");
return RESULT_SKIP;
}
#endif
prog_args_init(&args);
/* argv[0] */
asprintf(&tmp, "weston-%s", setup->testset_name);
prog_args_take(&args, tmp);
asprintf(&tmp, "--backend=%s", backend_to_str(setup->backend));
prog_args_take(&args, tmp);
if (setup->backend == WESTON_BACKEND_DRM) {
drm_device = getenv("WESTON_TEST_SUITE_DRM_DEVICE");
if (!drm_device) {
fprintf(stderr, "Skipping DRM-backend tests because " \
"WESTON_TEST_SUITE_DRM_DEVICE is not set. " \
"See test suite documentation to learn how " \
"to run them.\n");
return RESULT_SKIP;
}
asprintf(&tmp, "--drm-device=%s", drm_device);
prog_args_take(&args, tmp);
prog_args_take(&args, strdup("--seat=weston-test-seat"));
prog_args_take(&args, strdup("--continue-without-input"));
lock_fd = wait_for_lock();
if (lock_fd == -1)
return RESULT_FAIL;
}
/* Test suite needs the debug protocol to be able to take screenshots */
prog_args_take(&args, strdup("--debug"));
asprintf(&tmp, "--socket=%s", setup->testset_name);
prog_args_take(&args, tmp);
asprintf(&tmp, "--modules=%s%s%s", TESTSUITE_PLUGIN_PATH,
setup->extra_module ? "," : "",
setup->extra_module ? setup->extra_module : "");
prog_args_take(&args, tmp);
if (setup->backend != WESTON_BACKEND_DRM &&
setup->backend != WESTON_BACKEND_FBDEV) {
asprintf(&tmp, "--width=%d", setup->width);
prog_args_take(&args, tmp);
asprintf(&tmp, "--height=%d", setup->height);
prog_args_take(&args, tmp);
}
if (setup->scale != 1) {
asprintf(&tmp, "--scale=%d", setup->scale);
prog_args_take(&args, tmp);
}
if (setup->transform != WL_OUTPUT_TRANSFORM_NORMAL) {
asprintf(&tmp, "--transform=%s",
transform_to_str(setup->transform));
prog_args_take(&args, tmp);
}
if (setup->config_file) {
asprintf(&tmp, "--config=%s", setup->config_file);
prog_args_take(&args, tmp);
free(setup->config_file);
} else {
prog_args_take(&args, strdup("--no-config"));
}
ctmp = renderer_to_arg(setup->backend, setup->renderer);
if (ctmp)
prog_args_take(&args, strdup(ctmp));
asprintf(&tmp, "--shell=%s", shell_to_str(setup->shell));
prog_args_take(&args, tmp);
if (setup->logging_scopes) {
asprintf(&tmp, "--logger-scopes=%s", setup->logging_scopes);
prog_args_take(&args, tmp);
}
if (setup->xwayland)
prog_args_take(&args, strdup("--xwayland"));
test_data.test_quirks = setup->test_quirks;
test_data.test_private_data = data;
prog_args_save(&args);
ret = wet_main(args.argc, args.argv, &test_data);
prog_args_fini(&args);
/* We acquired a lock (if this is a DRM-backend test) and now we can
* close its fd and release it, as it has already been run. */
if (lock_fd != -1)
close(lock_fd);
return ret;
}
static void
write_cfg(va_list entry_list, FILE *weston_ini)
{
char *entry = va_arg(entry_list, char *);
int ret;
assert(entry);
while (entry) {
ret = fprintf(weston_ini, "%s\n", entry);
assert(ret >= 0);
free(entry);
entry = va_arg(entry_list, char *);
}
}
static FILE *
open_ini_file(struct compositor_setup *setup)
{
char *wd, *tmp_path = NULL;
FILE *weston_ini = NULL;
assert(!setup->config_file);
wd = realpath(".", NULL);
assert(wd);
if (asprintf(&tmp_path, "%s/%s.ini", wd, setup->testset_name) == -1) {
fprintf(stderr, "Fail formatting Weston.ini file name.\n");
goto out;
}
weston_ini = fopen(tmp_path, "w");
assert(weston_ini);
setup->config_file = tmp_path;
out:
free(wd);
return weston_ini;
}
void
weston_ini_setup_(struct compositor_setup *setup, ...)
{
FILE *weston_ini = NULL;
int ret;
va_list entry_list;
weston_ini = open_ini_file(setup);
assert(weston_ini);
va_start(entry_list, setup);
write_cfg(entry_list, weston_ini);
va_end(entry_list);
ret = fclose(weston_ini);
assert(ret != EOF);
}
char *
cfgln(const char *fmt, ...)
{
char *str;
int ret;
va_list ap;
va_start(ap, fmt);
ret = vasprintf(&str, fmt, ap);
assert(ret >= 0);
va_end(ap);
return str;
}