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weston/compositor/main.c

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/*
* Copyright © 2010-2011 Intel Corporation
* Copyright © 2008-2011 Kristian Høgsberg
* Copyright © 2012-2015 Collabora, Ltd.
* Copyright © 2010-2011 Benjamin Franzke
* Copyright © 2013 Jason Ekstrand
*
* 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 <unistd.h>
#include <signal.h>
#include <errno.h>
#include <dlfcn.h>
#include <stdint.h>
#include <string.h>
#include <sys/utsname.h>
#include <sys/stat.h>
#include <sys/wait.h>
#include <sys/socket.h>
#include <libinput.h>
#include <sys/time.h>
#include <linux/limits.h>
#ifdef HAVE_LIBUNWIND
#define UNW_LOCAL_ONLY
#include <libunwind.h>
#endif
#include "weston.h"
#include "compositor.h"
#include "../shared/os-compatibility.h"
#include "../shared/helpers.h"
#include "git-version.h"
#include "version.h"
#include "weston.h"
#include "compositor-drm.h"
#include "compositor-headless.h"
#include "compositor-rdp.h"
#include "compositor-fbdev.h"
#include "compositor-x11.h"
#include "compositor-wayland.h"
#define WINDOW_TITLE "Weston Compositor"
struct wet_compositor {
struct weston_config *config;
};
static FILE *weston_logfile = NULL;
static int cached_tm_mday = -1;
static int weston_log_timestamp(void)
{
struct timeval tv;
struct tm *brokendown_time;
char string[128];
gettimeofday(&tv, NULL);
brokendown_time = localtime(&tv.tv_sec);
if (brokendown_time == NULL)
return fprintf(weston_logfile, "[(NULL)localtime] ");
if (brokendown_time->tm_mday != cached_tm_mday) {
strftime(string, sizeof string, "%Y-%m-%d %Z", brokendown_time);
fprintf(weston_logfile, "Date: %s\n", string);
cached_tm_mday = brokendown_time->tm_mday;
}
strftime(string, sizeof string, "%H:%M:%S", brokendown_time);
return fprintf(weston_logfile, "[%s.%03li] ", string, tv.tv_usec/1000);
}
static void
custom_handler(const char *fmt, va_list arg)
{
weston_log_timestamp();
fprintf(weston_logfile, "libwayland: ");
vfprintf(weston_logfile, fmt, arg);
}
static void
weston_log_file_open(const char *filename)
{
wl_log_set_handler_server(custom_handler);
if (filename != NULL) {
weston_logfile = fopen(filename, "a");
if (weston_logfile)
os_fd_set_cloexec(fileno(weston_logfile));
}
if (weston_logfile == NULL)
weston_logfile = stderr;
else
setvbuf(weston_logfile, NULL, _IOLBF, 256);
}
static void
weston_log_file_close(void)
{
if ((weston_logfile != stderr) && (weston_logfile != NULL))
fclose(weston_logfile);
weston_logfile = stderr;
}
static int
vlog(const char *fmt, va_list ap)
{
int l;
l = weston_log_timestamp();
l += vfprintf(weston_logfile, fmt, ap);
return l;
}
static int
vlog_continue(const char *fmt, va_list argp)
{
return vfprintf(weston_logfile, fmt, argp);
}
static struct wl_list child_process_list;
static struct weston_compositor *segv_compositor;
static int
sigchld_handler(int signal_number, void *data)
{
struct weston_process *p;
int status;
pid_t pid;
while ((pid = waitpid(-1, &status, WNOHANG)) > 0) {
wl_list_for_each(p, &child_process_list, link) {
if (p->pid == pid)
break;
}
if (&p->link == &child_process_list) {
weston_log("unknown child process exited\n");
continue;
}
wl_list_remove(&p->link);
p->cleanup(p, status);
}
if (pid < 0 && errno != ECHILD)
weston_log("waitpid error %m\n");
return 1;
}
#ifdef HAVE_LIBUNWIND
static void
print_backtrace(void)
{
unw_cursor_t cursor;
unw_context_t context;
unw_word_t off;
unw_proc_info_t pip;
int ret, i = 0;
char procname[256];
const char *filename;
Dl_info dlinfo;
pip.unwind_info = NULL;
ret = unw_getcontext(&context);
if (ret) {
weston_log("unw_getcontext: %d\n", ret);
return;
}
ret = unw_init_local(&cursor, &context);
if (ret) {
weston_log("unw_init_local: %d\n", ret);
return;
}
ret = unw_step(&cursor);
while (ret > 0) {
ret = unw_get_proc_info(&cursor, &pip);
if (ret) {
weston_log("unw_get_proc_info: %d\n", ret);
break;
}
ret = unw_get_proc_name(&cursor, procname, 256, &off);
if (ret && ret != -UNW_ENOMEM) {
if (ret != -UNW_EUNSPEC)
weston_log("unw_get_proc_name: %d\n", ret);
procname[0] = '?';
procname[1] = 0;
}
if (dladdr((void *)(pip.start_ip + off), &dlinfo) && dlinfo.dli_fname &&
*dlinfo.dli_fname)
filename = dlinfo.dli_fname;
else
filename = "?";
weston_log("%u: %s (%s%s+0x%x) [%p]\n", i++, filename, procname,
ret == -UNW_ENOMEM ? "..." : "", (int)off, (void *)(pip.start_ip + off));
ret = unw_step(&cursor);
if (ret < 0)
weston_log("unw_step: %d\n", ret);
}
}
#else
static void
print_backtrace(void)
{
void *buffer[32];
int i, count;
Dl_info info;
count = backtrace(buffer, ARRAY_LENGTH(buffer));
for (i = 0; i < count; i++) {
dladdr(buffer[i], &info);
weston_log(" [%016lx] %s (%s)\n",
(long) buffer[i],
info.dli_sname ? info.dli_sname : "--",
info.dli_fname);
}
}
#endif
static void
child_client_exec(int sockfd, const char *path)
{
int clientfd;
char s[32];
sigset_t allsigs;
/* do not give our signal mask to the new process */
sigfillset(&allsigs);
sigprocmask(SIG_UNBLOCK, &allsigs, NULL);
/* Launch clients as the user. Do not lauch clients with wrong euid.*/
if (seteuid(getuid()) == -1) {
weston_log("compositor: failed seteuid\n");
return;
}
/* SOCK_CLOEXEC closes both ends, so we dup the fd to get a
* non-CLOEXEC fd to pass through exec. */
clientfd = dup(sockfd);
if (clientfd == -1) {
weston_log("compositor: dup failed: %m\n");
return;
}
snprintf(s, sizeof s, "%d", clientfd);
setenv("WAYLAND_SOCKET", s, 1);
if (execl(path, path, NULL) < 0)
weston_log("compositor: executing '%s' failed: %m\n",
path);
}
WL_EXPORT struct wl_client *
weston_client_launch(struct weston_compositor *compositor,
struct weston_process *proc,
const char *path,
weston_process_cleanup_func_t cleanup)
{
int sv[2];
pid_t pid;
struct wl_client *client;
weston_log("launching '%s'\n", path);
if (os_socketpair_cloexec(AF_UNIX, SOCK_STREAM, 0, sv) < 0) {
weston_log("weston_client_launch: "
"socketpair failed while launching '%s': %m\n",
path);
return NULL;
}
pid = fork();
if (pid == -1) {
close(sv[0]);
close(sv[1]);
weston_log("weston_client_launch: "
"fork failed while launching '%s': %m\n", path);
return NULL;
}
if (pid == 0) {
child_client_exec(sv[1], path);
_exit(-1);
}
close(sv[1]);
client = wl_client_create(compositor->wl_display, sv[0]);
if (!client) {
close(sv[0]);
weston_log("weston_client_launch: "
"wl_client_create failed while launching '%s'.\n",
path);
return NULL;
}
proc->pid = pid;
proc->cleanup = cleanup;
weston_watch_process(proc);
return client;
}
WL_EXPORT void
weston_watch_process(struct weston_process *process)
{
wl_list_insert(&child_process_list, &process->link);
}
struct process_info {
struct weston_process proc;
char *path;
};
static void
process_handle_sigchld(struct weston_process *process, int status)
{
struct process_info *pinfo =
container_of(process, struct process_info, proc);
/*
* There are no guarantees whether this runs before or after
* the wl_client destructor.
*/
if (WIFEXITED(status)) {
weston_log("%s exited with status %d\n", pinfo->path,
WEXITSTATUS(status));
} else if (WIFSIGNALED(status)) {
weston_log("%s died on signal %d\n", pinfo->path,
WTERMSIG(status));
} else {
weston_log("%s disappeared\n", pinfo->path);
}
free(pinfo->path);
free(pinfo);
}
WL_EXPORT struct wl_client *
weston_client_start(struct weston_compositor *compositor, const char *path)
{
struct process_info *pinfo;
struct wl_client *client;
pinfo = zalloc(sizeof *pinfo);
if (!pinfo)
return NULL;
pinfo->path = strdup(path);
if (!pinfo->path)
goto out_free;
client = weston_client_launch(compositor, &pinfo->proc, path,
process_handle_sigchld);
if (!client)
goto out_str;
return client;
out_str:
free(pinfo->path);
out_free:
free(pinfo);
return NULL;
}
static void
log_uname(void)
{
struct utsname usys;
uname(&usys);
weston_log("OS: %s, %s, %s, %s\n", usys.sysname, usys.release,
usys.version, usys.machine);
}
static struct wet_compositor *
to_wet_compositor(struct weston_compositor *compositor)
{
return weston_compositor_get_user_data(compositor);
}
WL_EXPORT struct weston_config *
wet_get_config(struct weston_compositor *ec)
{
struct wet_compositor *compositor = to_wet_compositor(ec);
return compositor->config;
}
static const char xdg_error_message[] =
"fatal: environment variable XDG_RUNTIME_DIR is not set.\n";
static const char xdg_wrong_message[] =
"fatal: environment variable XDG_RUNTIME_DIR\n"
"is set to \"%s\", which is not a directory.\n";
static const char xdg_wrong_mode_message[] =
"warning: XDG_RUNTIME_DIR \"%s\" is not configured\n"
"correctly. Unix access mode must be 0700 (current mode is %o),\n"
"and must be owned by the user (current owner is UID %d).\n";
static const char xdg_detail_message[] =
"Refer to your distribution on how to get it, or\n"
"http://www.freedesktop.org/wiki/Specifications/basedir-spec\n"
"on how to implement it.\n";
static void
verify_xdg_runtime_dir(void)
{
char *dir = getenv("XDG_RUNTIME_DIR");
struct stat s;
if (!dir) {
weston_log(xdg_error_message);
weston_log_continue(xdg_detail_message);
exit(EXIT_FAILURE);
}
if (stat(dir, &s) || !S_ISDIR(s.st_mode)) {
weston_log(xdg_wrong_message, dir);
weston_log_continue(xdg_detail_message);
exit(EXIT_FAILURE);
}
if ((s.st_mode & 0777) != 0700 || s.st_uid != getuid()) {
weston_log(xdg_wrong_mode_message,
dir, s.st_mode & 0777, s.st_uid);
weston_log_continue(xdg_detail_message);
}
}
static int
usage(int error_code)
{
fprintf(stderr,
"Usage: weston [OPTIONS]\n\n"
"This is weston version " VERSION ", the Wayland reference compositor.\n"
"Weston supports multiple backends, and depending on which backend is in use\n"
"different options will be accepted.\n\n"
"Core options:\n\n"
" --version\t\tPrint weston version\n"
" -B, --backend=MODULE\tBackend module, one of\n"
#if defined(BUILD_DRM_COMPOSITOR)
"\t\t\t\tdrm-backend.so\n"
#endif
#if defined(BUILD_FBDEV_COMPOSITOR)
"\t\t\t\tfbdev-backend.so\n"
#endif
#if defined(BUILD_HEADLESS_COMPOSITOR)
"\t\t\t\theadless-backend.so\n"
#endif
#if defined(BUILD_RDP_COMPOSITOR)
"\t\t\t\trdp-backend.so\n"
#endif
#if defined(BUILD_WAYLAND_COMPOSITOR)
"\t\t\t\twayland-backend.so\n"
#endif
#if defined(BUILD_X11_COMPOSITOR)
"\t\t\t\tx11-backend.so\n"
#endif
" --shell=MODULE\tShell module, defaults to desktop-shell.so\n"
" -S, --socket=NAME\tName of socket to listen on\n"
" -i, --idle-time=SECS\tIdle time in seconds\n"
" --modules\t\tLoad the comma-separated list of modules\n"
" --log=FILE\t\tLog to the given file\n"
" -c, --config=FILE\tConfig file to load, defaults to weston.ini\n"
" --no-config\t\tDo not read weston.ini\n"
" -h, --help\t\tThis help message\n\n");
#if defined(BUILD_DRM_COMPOSITOR)
fprintf(stderr,
"Options for drm-backend.so:\n\n"
" --connector=ID\tBring up only this connector\n"
" --seat=SEAT\t\tThe seat that weston should run on\n"
" --tty=TTY\t\tThe tty to use\n"
" --use-pixman\t\tUse the pixman (CPU) renderer\n"
" --current-mode\tPrefer current KMS mode over EDID preferred mode\n\n");
#endif
#if defined(BUILD_FBDEV_COMPOSITOR)
fprintf(stderr,
"Options for fbdev-backend.so:\n\n"
" --tty=TTY\t\tThe tty to use\n"
" --device=DEVICE\tThe framebuffer device to use\n"
"\n");
#endif
#if defined(BUILD_HEADLESS_COMPOSITOR)
fprintf(stderr,
"Options for headless-backend.so:\n\n"
" --width=WIDTH\t\tWidth of memory surface\n"
" --height=HEIGHT\tHeight of memory surface\n"
" --transform=TR\tThe output transformation, TR is one of:\n"
"\tnormal 90 180 270 flipped flipped-90 flipped-180 flipped-270\n"
" --use-pixman\t\tUse the pixman (CPU) renderer (default: no rendering)\n"
" --no-outputs\t\tDo not create any virtual outputs\n"
"\n");
#endif
#if defined(BUILD_RDP_COMPOSITOR)
fprintf(stderr,
"Options for rdp-backend.so:\n\n"
" --width=WIDTH\t\tWidth of desktop\n"
" --height=HEIGHT\tHeight of desktop\n"
" --env-socket\t\tUse socket defined in RDP_FD env variable as peer connection\n"
" --address=ADDR\tThe address to bind\n"
" --port=PORT\t\tThe port to listen on\n"
" --no-clients-resize\tThe RDP peers will be forced to the size of the desktop\n"
" --rdp4-key=FILE\tThe file containing the key for RDP4 encryption\n"
" --rdp-tls-cert=FILE\tThe file containing the certificate for TLS encryption\n"
" --rdp-tls-key=FILE\tThe file containing the private key for TLS encryption\n"
"\n");
#endif
#if defined(BUILD_WAYLAND_COMPOSITOR)
fprintf(stderr,
"Options for wayland-backend.so:\n\n"
" --width=WIDTH\t\tWidth of Wayland surface\n"
" --height=HEIGHT\tHeight of Wayland surface\n"
" --scale=SCALE\t\tScale factor of output\n"
" --fullscreen\t\tRun in fullscreen mode\n"
" --use-pixman\t\tUse the pixman (CPU) renderer\n"
" --output-count=COUNT\tCreate multiple outputs\n"
" --sprawl\t\tCreate one fullscreen output for every parent output\n"
" --display=DISPLAY\tWayland display to connect to\n\n");
#endif
#if defined(BUILD_X11_COMPOSITOR)
fprintf(stderr,
"Options for x11-backend.so:\n\n"
" --width=WIDTH\t\tWidth of X window\n"
" --height=HEIGHT\tHeight of X window\n"
" --scale=SCALE\t\tScale factor of output\n"
" --fullscreen\t\tRun in fullscreen mode\n"
" --use-pixman\t\tUse the pixman (CPU) renderer\n"
" --output-count=COUNT\tCreate multiple outputs\n"
" --no-input\t\tDont create input devices\n\n");
#endif
exit(error_code);
}
static int on_term_signal(int signal_number, void *data)
{
struct wl_display *display = data;
weston_log("caught signal %d\n", signal_number);
wl_display_terminate(display);
return 1;
}
static void
on_caught_signal(int s, siginfo_t *siginfo, void *context)
{
/* This signal handler will do a best-effort backtrace, and
* then call the backend restore function, which will switch
* back to the vt we launched from or ungrab X etc and then
* raise SIGTRAP. If we run weston under gdb from X or a
* different vt, and tell gdb "handle *s* nostop", this
* will allow weston to switch back to gdb on crash and then
* gdb will catch the crash with SIGTRAP.*/
weston_log("caught signal: %d\n", s);
print_backtrace();
segv_compositor->backend->restore(segv_compositor);
raise(SIGTRAP);
}
static void
catch_signals(void)
{
struct sigaction action;
action.sa_flags = SA_SIGINFO | SA_RESETHAND;
action.sa_sigaction = on_caught_signal;
sigemptyset(&action.sa_mask);
sigaction(SIGSEGV, &action, NULL);
sigaction(SIGABRT, &action, NULL);
}
static const char *
clock_name(clockid_t clk_id)
{
static const char *names[] = {
[CLOCK_REALTIME] = "CLOCK_REALTIME",
[CLOCK_MONOTONIC] = "CLOCK_MONOTONIC",
[CLOCK_MONOTONIC_RAW] = "CLOCK_MONOTONIC_RAW",
[CLOCK_REALTIME_COARSE] = "CLOCK_REALTIME_COARSE",
[CLOCK_MONOTONIC_COARSE] = "CLOCK_MONOTONIC_COARSE",
#ifdef CLOCK_BOOTTIME
[CLOCK_BOOTTIME] = "CLOCK_BOOTTIME",
#endif
};
if (clk_id < 0 || (unsigned)clk_id >= ARRAY_LENGTH(names))
return "unknown";
return names[clk_id];
}
static const struct {
uint32_t bit; /* enum weston_capability */
const char *desc;
} capability_strings[] = {
{ WESTON_CAP_ROTATION_ANY, "arbitrary surface rotation:" },
{ WESTON_CAP_CAPTURE_YFLIP, "screen capture uses y-flip:" },
};
static void
weston_compositor_log_capabilities(struct weston_compositor *compositor)
{
unsigned i;
int yes;
struct timespec res;
weston_log("Compositor capabilities:\n");
for (i = 0; i < ARRAY_LENGTH(capability_strings); i++) {
yes = compositor->capabilities & capability_strings[i].bit;
weston_log_continue(STAMP_SPACE "%s %s\n",
capability_strings[i].desc,
yes ? "yes" : "no");
}
weston_log_continue(STAMP_SPACE "presentation clock: %s, id %d\n",
clock_name(compositor->presentation_clock),
compositor->presentation_clock);
if (clock_getres(compositor->presentation_clock, &res) == 0)
weston_log_continue(STAMP_SPACE
"presentation clock resolution: %d.%09ld s\n",
(int)res.tv_sec, res.tv_nsec);
else
weston_log_continue(STAMP_SPACE
"presentation clock resolution: N/A\n");
}
static void
handle_primary_client_destroyed(struct wl_listener *listener, void *data)
{
struct wl_client *client = data;
weston_log("Primary client died. Closing...\n");
wl_display_terminate(wl_client_get_display(client));
}
static int
weston_create_listening_socket(struct wl_display *display, const char *socket_name)
{
if (socket_name) {
if (wl_display_add_socket(display, socket_name)) {
weston_log("fatal: failed to add socket: %m\n");
return -1;
}
} else {
socket_name = wl_display_add_socket_auto(display);
if (!socket_name) {
weston_log("fatal: failed to add socket: %m\n");
return -1;
}
}
setenv("WAYLAND_DISPLAY", socket_name, 1);
return 0;
}
WL_EXPORT void *
wet_load_module(const char *name, const char *entrypoint)
{
const char *builddir = getenv("WESTON_BUILD_DIR");
char path[PATH_MAX];
void *module, *init;
if (name == NULL)
return NULL;
if (name[0] != '/') {
if (builddir)
snprintf(path, sizeof path, "%s/.libs/%s", builddir, name);
else
snprintf(path, sizeof path, "%s/%s", MODULEDIR, name);
} else {
snprintf(path, sizeof path, "%s", name);
}
module = dlopen(path, RTLD_NOW | RTLD_NOLOAD);
if (module) {
weston_log("Module '%s' already loaded\n", path);
dlclose(module);
return NULL;
}
weston_log("Loading module '%s'\n", path);
module = dlopen(path, RTLD_NOW);
if (!module) {
weston_log("Failed to load module: %s\n", dlerror());
return NULL;
}
init = dlsym(module, entrypoint);
if (!init) {
weston_log("Failed to lookup init function: %s\n", dlerror());
dlclose(module);
return NULL;
}
return init;
}
static int
load_modules(struct weston_compositor *ec, const char *modules,
int *argc, char *argv[])
{
const char *p, *end;
char buffer[256];
int (*module_init)(struct weston_compositor *ec,
int *argc, char *argv[]);
if (modules == NULL)
return 0;
p = modules;
while (*p) {
end = strchrnul(p, ',');
snprintf(buffer, sizeof buffer, "%.*s", (int) (end - p), p);
if (strstr(buffer, "xwayland.so")) {
if (wet_load_xwayland(ec) < 0)
return -1;
} else {
module_init = wet_load_module(buffer, "module_init");
if (!module_init)
return -1;
if (module_init(ec, argc, argv) < 0)
return -1;
}
p = end;
while (*p == ',')
p++;
}
return 0;
}
static int
weston_compositor_init_config(struct weston_compositor *ec,
struct weston_config *config)
{
struct xkb_rule_names xkb_names;
struct weston_config_section *s;
int repaint_msec;
int vt_switching;
s = weston_config_get_section(config, "keyboard", NULL, NULL);
weston_config_section_get_string(s, "keymap_rules",
(char **) &xkb_names.rules, NULL);
weston_config_section_get_string(s, "keymap_model",
(char **) &xkb_names.model, NULL);
weston_config_section_get_string(s, "keymap_layout",
(char **) &xkb_names.layout, NULL);
weston_config_section_get_string(s, "keymap_variant",
(char **) &xkb_names.variant, NULL);
weston_config_section_get_string(s, "keymap_options",
(char **) &xkb_names.options, NULL);
if (weston_compositor_set_xkb_rule_names(ec, &xkb_names) < 0)
return -1;
weston_config_section_get_int(s, "repeat-rate",
&ec->kb_repeat_rate, 40);
weston_config_section_get_int(s, "repeat-delay",
&ec->kb_repeat_delay, 400);
weston_config_section_get_bool(s, "vt-switching",
&vt_switching, true);
ec->vt_switching = vt_switching;
s = weston_config_get_section(config, "core", NULL, NULL);
weston_config_section_get_int(s, "repaint-window", &repaint_msec,
ec->repaint_msec);
if (repaint_msec < -10 || repaint_msec > 1000) {
weston_log("Invalid repaint_window value in config: %d\n",
repaint_msec);
} else {
ec->repaint_msec = repaint_msec;
}
weston_log("Output repaint window is %d ms maximum.\n",
ec->repaint_msec);
return 0;
}
static char *
weston_choose_default_backend(void)
{
char *backend = NULL;
if (getenv("WAYLAND_DISPLAY") || getenv("WAYLAND_SOCKET"))
backend = strdup("wayland-backend.so");
else if (getenv("DISPLAY"))
backend = strdup("x11-backend.so");
else
backend = strdup(WESTON_NATIVE_BACKEND);
return backend;
}
static const struct { const char *name; uint32_t token; } transforms[] = {
{ "normal", WL_OUTPUT_TRANSFORM_NORMAL },
{ "90", WL_OUTPUT_TRANSFORM_90 },
{ "180", WL_OUTPUT_TRANSFORM_180 },
{ "270", WL_OUTPUT_TRANSFORM_270 },
{ "flipped", WL_OUTPUT_TRANSFORM_FLIPPED },
{ "flipped-90", WL_OUTPUT_TRANSFORM_FLIPPED_90 },
{ "flipped-180", WL_OUTPUT_TRANSFORM_FLIPPED_180 },
{ "flipped-270", WL_OUTPUT_TRANSFORM_FLIPPED_270 },
};
WL_EXPORT int
weston_parse_transform(const char *transform, uint32_t *out)
{
unsigned int i;
for (i = 0; i < ARRAY_LENGTH(transforms); i++)
if (strcmp(transforms[i].name, transform) == 0) {
*out = transforms[i].token;
return 0;
}
*out = WL_OUTPUT_TRANSFORM_NORMAL;
return -1;
}
WL_EXPORT const char *
weston_transform_to_string(uint32_t output_transform)
{
unsigned int i;
for (i = 0; i < ARRAY_LENGTH(transforms); i++)
if (transforms[i].token == output_transform)
return transforms[i].name;
return "<illegal value>";
}
static int
load_configuration(struct weston_config **config, int32_t noconfig,
const char *config_file)
{
const char *file = "weston.ini";
const char *full_path;
*config = NULL;
if (config_file)
file = config_file;
if (noconfig == 0)
*config = weston_config_parse(file);
if (*config) {
full_path = weston_config_get_full_path(*config);
weston_log("Using config file '%s'\n", full_path);
setenv(WESTON_CONFIG_FILE_ENV_VAR, full_path, 1);
return 0;
}
if (config_file && noconfig == 0) {
weston_log("fatal: error opening or reading config file"
" '%s'.\n", config_file);
return -1;
}
weston_log("Starting with no config file.\n");
setenv(WESTON_CONFIG_FILE_ENV_VAR, "", 1);
return 0;
}
static void
handle_exit(struct weston_compositor *c)
{
wl_display_terminate(c->wl_display);
}
static enum weston_drm_backend_output_mode
drm_configure_output(struct weston_compositor *c,
bool use_current_mode,
const char *name,
struct weston_drm_backend_output_config *config)
{
struct weston_config *wc = wet_get_config(c);
struct weston_config_section *section;
char *s;
int scale;
enum weston_drm_backend_output_mode mode =
WESTON_DRM_BACKEND_OUTPUT_PREFERRED;
section = weston_config_get_section(wc, "output", "name", name);
weston_config_section_get_string(section, "mode", &s, "preferred");
if (strcmp(s, "off") == 0) {
free(s);
return WESTON_DRM_BACKEND_OUTPUT_OFF;
}
if (use_current_mode || strcmp(s, "current") == 0) {
mode = WESTON_DRM_BACKEND_OUTPUT_CURRENT;
} else if (strcmp(s, "preferred") != 0) {
config->modeline = s;
s = NULL;
}
free(s);
weston_config_section_get_int(section, "scale", &scale, 1);
config->base.scale = scale >= 1 ? scale : 1;
weston_config_section_get_string(section, "transform", &s, "normal");
if (weston_parse_transform(s, &config->base.transform) < 0)
weston_log("Invalid transform \"%s\" for output %s\n",
s, name);
free(s);
weston_config_section_get_string(section,
"gbm-format", &config->gbm_format, NULL);
weston_config_section_get_string(section, "seat", &config->seat, "");
return mode;
}
static void
configure_input_device(struct weston_compositor *compositor,
struct libinput_device *device)
{
struct weston_config_section *s;
struct weston_config *config = wet_get_config(compositor);
int enable_tap;
int enable_tap_default;
s = weston_config_get_section(config,
"libinput", NULL, NULL);
if (libinput_device_config_tap_get_finger_count(device) > 0) {
enable_tap_default =
libinput_device_config_tap_get_default_enabled(
device);
weston_config_section_get_bool(s, "enable_tap",
&enable_tap,
enable_tap_default);
libinput_device_config_tap_set_enabled(device,
enable_tap);
}
}
static int
load_drm_backend(struct weston_compositor *c,
int *argc, char **argv, struct weston_config *wc)
{
struct weston_drm_backend_config config = {{ 0, }};
struct weston_config_section *section;
int ret = 0;
const struct weston_option options[] = {
{ WESTON_OPTION_INTEGER, "connector", 0, &config.connector },
{ WESTON_OPTION_STRING, "seat", 0, &config.seat_id },
{ WESTON_OPTION_INTEGER, "tty", 0, &config.tty },
{ WESTON_OPTION_BOOLEAN, "current-mode", 0, &config.use_current_mode },
{ WESTON_OPTION_BOOLEAN, "use-pixman", 0, &config.use_pixman },
};
parse_options(options, ARRAY_LENGTH(options), argc, argv);
section = weston_config_get_section(wc, "core", NULL, NULL);
weston_config_section_get_string(section,
"gbm-format", &config.gbm_format,
NULL);
config.base.struct_version = WESTON_DRM_BACKEND_CONFIG_VERSION;
config.base.struct_size = sizeof(struct weston_drm_backend_config);
config.configure_output = drm_configure_output;
config.configure_device = configure_input_device;
ret = weston_compositor_load_backend(c, WESTON_BACKEND_DRM,
&config.base);
free(config.gbm_format);
free(config.seat_id);
return ret;
}
static int
load_headless_backend(struct weston_compositor *c,
int *argc, char **argv, struct weston_config *wc)
{
struct weston_headless_backend_config config = {{ 0, }};
int ret = 0;
char *transform = NULL;
config.width = 1024;
config.height = 640;
const struct weston_option options[] = {
{ WESTON_OPTION_INTEGER, "width", 0, &config.width },
{ WESTON_OPTION_INTEGER, "height", 0, &config.height },
{ WESTON_OPTION_BOOLEAN, "use-pixman", 0, &config.use_pixman },
{ WESTON_OPTION_STRING, "transform", 0, &transform },
{ WESTON_OPTION_BOOLEAN, "no-outputs", 0, &config.no_outputs },
};
parse_options(options, ARRAY_LENGTH(options), argc, argv);
config.transform = WL_OUTPUT_TRANSFORM_NORMAL;
if (transform) {
if (weston_parse_transform(transform, &config.transform) < 0)
weston_log("Invalid transform \"%s\"\n", transform);
free(transform);
}
config.base.struct_version = WESTON_HEADLESS_BACKEND_CONFIG_VERSION;
config.base.struct_size = sizeof(struct weston_headless_backend_config);
/* load the actual wayland backend and configure it */
ret = weston_compositor_load_backend(c, WESTON_BACKEND_HEADLESS,
&config.base);
return ret;
}
static void
weston_rdp_backend_config_init(struct weston_rdp_backend_config *config)
{
config->base.struct_version = WESTON_RDP_BACKEND_CONFIG_VERSION;
config->base.struct_size = sizeof(struct weston_rdp_backend_config);
config->width = 640;
config->height = 480;
config->bind_address = NULL;
config->port = 3389;
config->rdp_key = NULL;
config->server_cert = NULL;
config->server_key = NULL;
config->env_socket = 0;
config->no_clients_resize = 0;
}
static int
load_rdp_backend(struct weston_compositor *c,
int *argc, char *argv[], struct weston_config *wc)
{
struct weston_rdp_backend_config config = {{ 0, }};
int ret = 0;
weston_rdp_backend_config_init(&config);
const struct weston_option rdp_options[] = {
{ WESTON_OPTION_BOOLEAN, "env-socket", 0, &config.env_socket },
{ WESTON_OPTION_INTEGER, "width", 0, &config.width },
{ WESTON_OPTION_INTEGER, "height", 0, &config.height },
{ WESTON_OPTION_STRING, "address", 0, &config.bind_address },
{ WESTON_OPTION_INTEGER, "port", 0, &config.port },
{ WESTON_OPTION_BOOLEAN, "no-clients-resize", 0, &config.no_clients_resize },
{ WESTON_OPTION_STRING, "rdp4-key", 0, &config.rdp_key },
{ WESTON_OPTION_STRING, "rdp-tls-cert", 0, &config.server_cert },
{ WESTON_OPTION_STRING, "rdp-tls-key", 0, &config.server_key }
};
parse_options(rdp_options, ARRAY_LENGTH(rdp_options), argc, argv);
ret = weston_compositor_load_backend(c, WESTON_BACKEND_RDP,
&config.base);
free(config.bind_address);
free(config.rdp_key);
free(config.server_cert);
free(config.server_key);
return ret;
}
static int
load_fbdev_backend(struct weston_compositor *c,
int *argc, char **argv, struct weston_config *wc)
{
struct weston_fbdev_backend_config config = {{ 0, }};
struct weston_config_section *section;
char *s = NULL;
int ret = 0;
const struct weston_option fbdev_options[] = {
{ WESTON_OPTION_INTEGER, "tty", 0, &config.tty },
{ WESTON_OPTION_STRING, "device", 0, &config.device },
};
parse_options(fbdev_options, ARRAY_LENGTH(fbdev_options), argc, argv);
if (!config.device)
config.device = strdup("/dev/fb0");
section = weston_config_get_section(wc, "output", "name", "fbdev");
weston_config_section_get_string(section, "transform", &s, "normal");
if (weston_parse_transform(s, &config.output_transform) < 0)
weston_log("Invalid transform \"%s\" for output fbdev\n", s);
free(s);
config.base.struct_version = WESTON_FBDEV_BACKEND_CONFIG_VERSION;
config.base.struct_size = sizeof(struct weston_fbdev_backend_config);
config.configure_device = configure_input_device;
/* load the actual wayland backend and configure it */
ret = weston_compositor_load_backend(c, WESTON_BACKEND_FBDEV,
&config.base);
free(config.device);
return ret;
}
static int
weston_x11_backend_config_append_output_config(struct weston_x11_backend_config *config,
struct weston_x11_backend_output_config *output_config) {
struct weston_x11_backend_output_config *new_outputs;
new_outputs = realloc(config->outputs, (config->num_outputs+1) *
sizeof(struct weston_x11_backend_output_config));
if (new_outputs == NULL)
return -1;
config->outputs = new_outputs;
config->outputs[config->num_outputs].width = output_config->width;
config->outputs[config->num_outputs].height = output_config->height;
config->outputs[config->num_outputs].transform = output_config->transform;
config->outputs[config->num_outputs].scale = output_config->scale;
config->outputs[config->num_outputs].name = strdup(output_config->name);
config->num_outputs++;
return 0;
}
static int
load_x11_backend(struct weston_compositor *c,
int *argc, char **argv, struct weston_config *wc)
{
struct weston_x11_backend_output_config default_output;
struct weston_x11_backend_config config = {{ 0, }};
struct weston_config_section *section;
int ret = 0;
int option_width = 0;
int option_height = 0;
int option_scale = 0;
int option_count = 1;
int output_count = 0;
char const *section_name;
int i;
uint32_t j;
const struct weston_option options[] = {
{ WESTON_OPTION_INTEGER, "width", 0, &option_width },
{ WESTON_OPTION_INTEGER, "height", 0, &option_height },
{ WESTON_OPTION_INTEGER, "scale", 0, &option_scale },
{ WESTON_OPTION_BOOLEAN, "fullscreen", 'f', &config.fullscreen },
{ WESTON_OPTION_INTEGER, "output-count", 0, &option_count },
{ WESTON_OPTION_BOOLEAN, "no-input", 0, &config.no_input },
{ WESTON_OPTION_BOOLEAN, "use-pixman", 0, &config.use_pixman },
};
parse_options(options, ARRAY_LENGTH(options), argc, argv);
section = NULL;
while (weston_config_next_section(wc, &section, &section_name)) {
struct weston_x11_backend_output_config current_output = { 0, };
char *t;
char *mode;
if (strcmp(section_name, "output") != 0) {
continue;
}
weston_config_section_get_string(section, "name", &current_output.name, NULL);
if (current_output.name == NULL || current_output.name[0] != 'X') {
free(current_output.name);
continue;
}
weston_config_section_get_string(section, "mode", &mode, "1024x600");
if (sscanf(mode, "%dx%d", &current_output.width,
&current_output.height) != 2) {
weston_log("Invalid mode \"%s\" for output %s\n",
mode, current_output.name);
current_output.width = 1024;
current_output.height = 600;
}
free(mode);
if (current_output.width < 1)
current_output.width = 1024;
if (current_output.height < 1)
current_output.height = 600;
if (option_width)
current_output.width = option_width;
if (option_height)
current_output.height = option_height;
weston_config_section_get_int(section, "scale", &current_output.scale, 1);
if (option_scale)
current_output.scale = option_scale;
weston_config_section_get_string(section,
"transform", &t, "normal");
if (weston_parse_transform(t, &current_output.transform) < 0)
weston_log("Invalid transform \"%s\" for output %s\n",
t, current_output.name);
free(t);
if (weston_x11_backend_config_append_output_config(&config, &current_output) < 0) {
ret = -1;
goto out;
}
output_count++;
if (output_count >= option_count)
break;
}
default_output.name = NULL;
default_output.width = option_width ? option_width : 1024;
default_output.height = option_height ? option_height : 600;
default_output.scale = option_scale ? option_scale : 1;
default_output.transform = WL_OUTPUT_TRANSFORM_NORMAL;
for (i = output_count; i < option_count; i++) {
if (asprintf(&default_output.name, "screen%d", i) < 0) {
ret = -1;
goto out;
}
if (weston_x11_backend_config_append_output_config(&config, &default_output) < 0) {
ret = -1;
free(default_output.name);
goto out;
}
free(default_output.name);
}
config.base.struct_version = WESTON_X11_BACKEND_CONFIG_VERSION;
config.base.struct_size = sizeof(struct weston_x11_backend_config);
/* load the actual backend and configure it */
ret = weston_compositor_load_backend(c, WESTON_BACKEND_X11,
&config.base);
out:
for (j = 0; j < config.num_outputs; ++j)
free(config.outputs[j].name);
free(config.outputs);
return ret;
}
static void
weston_wayland_output_config_init(struct weston_wayland_backend_output_config *output_config,
struct weston_config_section *config_section,
int option_width, int option_height,
int option_scale)
{
char *mode, *t, *str;
unsigned int slen;
weston_config_section_get_string(config_section, "name", &output_config->name,
NULL);
if (output_config->name) {
slen = strlen(output_config->name);
slen += strlen(WINDOW_TITLE " - ");
str = malloc(slen + 1);
if (str)
snprintf(str, slen + 1, WINDOW_TITLE " - %s",
output_config->name);
free(output_config->name);
output_config->name = str;
}
if (!output_config->name)
output_config->name = strdup(WINDOW_TITLE);
weston_config_section_get_string(config_section,
"mode", &mode, "1024x600");
if (sscanf(mode, "%dx%d", &output_config->width, &output_config->height) != 2) {
weston_log("Invalid mode \"%s\" for output %s\n",
mode, output_config->name);
output_config->width = 1024;
output_config->height = 640;
}
free(mode);
if (option_width)
output_config->width = option_width;
if (option_height)
output_config->height = option_height;
weston_config_section_get_int(config_section, "scale", &output_config->scale, 1);
if (option_scale)
output_config->scale = option_scale;
weston_config_section_get_string(config_section,
"transform", &t, "normal");
if (weston_parse_transform(t, &output_config->transform) < 0)
weston_log("Invalid transform \"%s\" for output %s\n",
t, output_config->name);
free(t);
}
static void
weston_wayland_backend_config_release(struct weston_wayland_backend_config *config)
{
int i;
for (i = 0; i < config->num_outputs; ++i) {
free(config->outputs[i].name);
}
free(config->cursor_theme);
free(config->display_name);
free(config->outputs);
}
/*
* Append a new output struct at the end of new_config.outputs and return a
* pointer to the newly allocated structure or NULL if fail. The allocated
* structure is NOT cleared nor set to default values.
*/
static struct weston_wayland_backend_output_config *
weston_wayland_backend_config_add_new_output(struct weston_wayland_backend_config *config)
{
struct weston_wayland_backend_output_config *outputs;
const size_t element_size = sizeof(struct weston_wayland_backend_output_config);
outputs = realloc(config->outputs,
(config->num_outputs + 1) * element_size);
if (!outputs)
return NULL;
config->num_outputs += 1;
config->outputs = outputs;
return &(config->outputs[config->num_outputs - 1]);
}
static int
load_wayland_backend_config(struct weston_compositor *compositor, int *argc,
char *argv[], struct weston_config *wc,
struct weston_wayland_backend_config *config)
{
struct weston_config_section *section;
struct weston_wayland_backend_output_config *oc;
int count, width, height, scale;
const char *section_name;
char *name;
const struct weston_option wayland_options[] = {
{ WESTON_OPTION_INTEGER, "width", 0, &width },
{ WESTON_OPTION_INTEGER, "height", 0, &height },
{ WESTON_OPTION_INTEGER, "scale", 0, &scale },
{ WESTON_OPTION_STRING, "display", 0, &config->display_name },
{ WESTON_OPTION_BOOLEAN, "use-pixman", 0, &config->use_pixman },
{ WESTON_OPTION_INTEGER, "output-count", 0, &count },
{ WESTON_OPTION_BOOLEAN, "fullscreen", 0, &config->fullscreen },
{ WESTON_OPTION_BOOLEAN, "sprawl", 0, &config->sprawl },
};
width = 0;
height = 0;
scale = 0;
config->display_name = NULL;
config->use_pixman = 0;
count = 1;
config->fullscreen = 0;
config->sprawl = 0;
parse_options(wayland_options,
ARRAY_LENGTH(wayland_options), argc, argv);
config->cursor_size = 32;
config->cursor_theme = NULL;
config->base.struct_size = sizeof(struct weston_wayland_backend_config);
config->base.struct_version = WESTON_WAYLAND_BACKEND_CONFIG_VERSION;
section = weston_config_get_section(wc, "shell", NULL, NULL);
weston_config_section_get_string(section, "cursor-theme",
&config->cursor_theme, NULL);
weston_config_section_get_int(section, "cursor-size",
&config->cursor_size, 32);
if (config->sprawl) {
/* do nothing, everything is already set */
return 0;
}
if (config->fullscreen) {
oc = weston_wayland_backend_config_add_new_output(config);
if (!oc)
return -1;
oc->width = width;
oc->height = height;
oc->name = NULL;
oc->transform = WL_OUTPUT_TRANSFORM_NORMAL;
oc->scale = 1;
return 0;
}
section = NULL;
while (weston_config_next_section(wc, &section, &section_name)) {
if (!section_name || strcmp(section_name, "output") != 0)
continue;
weston_config_section_get_string(section, "name", &name, NULL);
if (name == NULL)
continue;
if (name[0] != 'W' || name[1] != 'L') {
free(name);
continue;
}
free(name);
oc = weston_wayland_backend_config_add_new_output(config);
if (!oc)
return -1;
weston_wayland_output_config_init(oc, section, width,
height, scale);
--count;
}
if (!width)
width = 1024;
if (!height)
height = 640;
if (!scale)
scale = 1;
while (count > 0) {
oc = weston_wayland_backend_config_add_new_output(config);
if (!oc)
return -1;
oc->width = width;
oc->height = height;
oc->name = NULL;
oc->transform = WL_OUTPUT_TRANSFORM_NORMAL;
oc->scale = scale;
--count;
}
return 0;
}
static int
load_wayland_backend(struct weston_compositor *c,
int *argc, char **argv, struct weston_config *wc)
{
struct weston_wayland_backend_config config = {{ 0, }};
int ret = 0;
ret = load_wayland_backend_config(c, argc, argv, wc, &config);
if (ret < 0) {
weston_wayland_backend_config_release(&config);
return ret;
}
/* load the actual wayland backend and configure it */
ret = weston_compositor_load_backend(c, WESTON_BACKEND_WAYLAND,
&config.base);
weston_wayland_backend_config_release(&config);
return ret;
}
static int
load_backend(struct weston_compositor *compositor, const char *backend,
int *argc, char **argv, struct weston_config *config)
{
if (strstr(backend, "headless-backend.so"))
return load_headless_backend(compositor, argc, argv, config);
else if (strstr(backend, "rdp-backend.so"))
return load_rdp_backend(compositor, argc, argv, config);
else if (strstr(backend, "fbdev-backend.so"))
return load_fbdev_backend(compositor, argc, argv, config);
else if (strstr(backend, "drm-backend.so"))
return load_drm_backend(compositor, argc, argv, config);
else if (strstr(backend, "x11-backend.so"))
return load_x11_backend(compositor, argc, argv, config);
else if (strstr(backend, "wayland-backend.so"))
return load_wayland_backend(compositor, argc, argv, config);
weston_log("Error: unknown backend \"%s\"\n", backend);
return -1;
}
static char *
copy_command_line(int argc, char * const argv[])
{
FILE *fp;
char *str = NULL;
size_t size = 0;
int i;
fp = open_memstream(&str, &size);
if (!fp)
return NULL;
fprintf(fp, "%s", argv[0]);
for (i = 1; i < argc; i++)
fprintf(fp, " %s", argv[i]);
fclose(fp);
return str;
}
int main(int argc, char *argv[])
{
int ret = EXIT_FAILURE;
char *cmdline;
struct wl_display *display;
struct weston_compositor *ec;
struct wl_event_source *signals[4];
struct wl_event_loop *loop;
int i, fd;
char *backend = NULL;
char *shell = NULL;
char *modules = NULL;
char *option_modules = NULL;
char *log = NULL;
char *server_socket = NULL, *end;
int32_t idle_time = -1;
int32_t help = 0;
char *socket_name = NULL;
int32_t version = 0;
int32_t noconfig = 0;
int32_t numlock_on;
char *config_file = NULL;
struct weston_config *config = NULL;
struct weston_config_section *section;
struct wl_client *primary_client;
struct wl_listener primary_client_destroyed;
struct weston_seat *seat;
struct wet_compositor user_data;
const struct weston_option core_options[] = {
{ WESTON_OPTION_STRING, "backend", 'B', &backend },
{ WESTON_OPTION_STRING, "shell", 0, &shell },
{ WESTON_OPTION_STRING, "socket", 'S', &socket_name },
{ WESTON_OPTION_INTEGER, "idle-time", 'i', &idle_time },
{ WESTON_OPTION_STRING, "modules", 0, &option_modules },
{ WESTON_OPTION_STRING, "log", 0, &log },
{ WESTON_OPTION_BOOLEAN, "help", 'h', &help },
{ WESTON_OPTION_BOOLEAN, "version", 0, &version },
{ WESTON_OPTION_BOOLEAN, "no-config", 0, &noconfig },
{ WESTON_OPTION_STRING, "config", 'c', &config_file },
};
cmdline = copy_command_line(argc, argv);
parse_options(core_options, ARRAY_LENGTH(core_options), &argc, argv);
if (help) {
free(cmdline);
usage(EXIT_SUCCESS);
}
if (version) {
printf(PACKAGE_STRING "\n");
free(cmdline);
return EXIT_SUCCESS;
}
weston_log_set_handler(vlog, vlog_continue);
weston_log_file_open(log);
weston_log("%s\n"
STAMP_SPACE "%s\n"
STAMP_SPACE "Bug reports to: %s\n"
STAMP_SPACE "Build: %s\n",
PACKAGE_STRING, PACKAGE_URL, PACKAGE_BUGREPORT,
BUILD_ID);
weston_log("Command line: %s\n", cmdline);
free(cmdline);
log_uname();
verify_xdg_runtime_dir();
display = wl_display_create();
loop = wl_display_get_event_loop(display);
signals[0] = wl_event_loop_add_signal(loop, SIGTERM, on_term_signal,
display);
signals[1] = wl_event_loop_add_signal(loop, SIGINT, on_term_signal,
display);
signals[2] = wl_event_loop_add_signal(loop, SIGQUIT, on_term_signal,
display);
wl_list_init(&child_process_list);
signals[3] = wl_event_loop_add_signal(loop, SIGCHLD, sigchld_handler,
NULL);
if (!signals[0] || !signals[1] || !signals[2] || !signals[3])
goto out_signals;
if (load_configuration(&config, noconfig, config_file) < 0)
goto out_signals;
user_data.config = config;
section = weston_config_get_section(config, "core", NULL, NULL);
if (!backend) {
weston_config_section_get_string(section, "backend", &backend,
NULL);
if (!backend)
backend = weston_choose_default_backend();
}
ec = weston_compositor_create(display, &user_data);
if (ec == NULL) {
weston_log("fatal: failed to create compositor\n");
goto out;
}
if (weston_compositor_init_config(ec, config) < 0)
goto out;
if (load_backend(ec, backend, &argc, argv, config) < 0) {
weston_log("fatal: failed to create compositor backend\n");
goto out;
}
catch_signals();
segv_compositor = ec;
if (idle_time < 0)
weston_config_section_get_int(section, "idle-time", &idle_time, -1);
if (idle_time < 0)
idle_time = 300; /* default idle timeout, in seconds */
ec->idle_time = idle_time;
ec->default_pointer_grab = NULL;
ec->exit = handle_exit;
weston_compositor_log_capabilities(ec);
server_socket = getenv("WAYLAND_SERVER_SOCKET");
if (server_socket) {
weston_log("Running with single client\n");
fd = strtol(server_socket, &end, 10);
if (*end != '\0')
fd = -1;
} else {
fd = -1;
}
if (fd != -1) {
primary_client = wl_client_create(display, fd);
if (!primary_client) {
weston_log("fatal: failed to add client: %m\n");
goto out;
}
primary_client_destroyed.notify =
handle_primary_client_destroyed;
wl_client_add_destroy_listener(primary_client,
&primary_client_destroyed);
} else if (weston_create_listening_socket(display, socket_name)) {
goto out;
}
if (!shell)
weston_config_section_get_string(section, "shell", &shell,
"desktop-shell.so");
if (load_modules(ec, shell, &argc, argv) < 0)
goto out;
weston_config_section_get_string(section, "modules", &modules, "");
if (load_modules(ec, modules, &argc, argv) < 0)
goto out;
if (load_modules(ec, option_modules, &argc, argv) < 0)
goto out;
section = weston_config_get_section(config, "keyboard", NULL, NULL);
weston_config_section_get_bool(section, "numlock-on", &numlock_on, 0);
if (numlock_on) {
wl_list_for_each(seat, &ec->seat_list, link) {
struct weston_keyboard *keyboard =
weston_seat_get_keyboard(seat);
if (keyboard)
weston_keyboard_set_locks(keyboard,
WESTON_NUM_LOCK,
WESTON_NUM_LOCK);
}
}
for (i = 1; i < argc; i++)
weston_log("fatal: unhandled option: %s\n", argv[i]);
if (argc > 1)
goto out;
weston_compositor_wake(ec);
wl_display_run(display);
/* Allow for setting return exit code after
* wl_display_run returns normally. This is
* useful for devs/testers and automated tests
* that want to indicate failure status to
* testing infrastructure above
*/
ret = ec->exit_code;
out:
weston_compositor_destroy(ec);
out_signals:
for (i = ARRAY_LENGTH(signals) - 1; i >= 0; i--)
if (signals[i])
wl_event_source_remove(signals[i]);
wl_display_destroy(display);
weston_log_file_close();
if (config)
weston_config_destroy(config);
free(config_file);
free(backend);
free(shell);
free(socket_name);
free(option_modules);
free(log);
free(modules);
return ret;
}