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Install structuring for ping-pong protocol

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This commit is contained in:
Scott Moreau 2012-04-17 19:06:18 -06:00 committed by Kristian Høgsberg
parent bd3354b8b2
commit ff1db4a4f3
4 changed files with 115 additions and 0 deletions
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8
clients/window.c
View file

@ -1946,6 +1946,13 @@ widget_schedule_resize(struct widget *widget, int32_t width, int32_t height)
window_schedule_resize(widget->window, width, height);
}
static void
handle_ping(void *data, struct wl_shell_surface *shell_surface,
uint32_t serial)
{
wl_shell_surface_pong(shell_surface, serial);
}
static void
handle_configure(void *data, struct wl_shell_surface *shell_surface,
uint32_t edges, int32_t width, int32_t height)
@ -1984,6 +1991,7 @@ handle_popup_done(void *data, struct wl_shell_surface *shell_surface)
}
static const struct wl_shell_surface_listener shell_surface_listener = {
handle_ping,
handle_configure,
handle_popup_done
};

16
src/compositor.c
View file

@ -1557,8 +1557,12 @@ notify_button(struct wl_input_device *device,
{
struct weston_input_device *wd = (struct weston_input_device *) device;
struct weston_compositor *compositor = wd->compositor;
struct weston_surface *focus = (struct weston_surface *) device->pointer_focus;
uint32_t serial = wl_display_next_serial(compositor->wl_display);
if (state) {
if (compositor->ping_handler && focus)
compositor->ping_handler(focus, serial);
weston_compositor_idle_inhibit(compositor);
if (device->button_count == 0) {
device->grab_button = button;
@ -1587,6 +1591,11 @@ notify_axis(struct wl_input_device *device,
{
struct weston_input_device *wd = (struct weston_input_device *) device;
struct weston_compositor *compositor = wd->compositor;
struct weston_surface *focus = (struct weston_surface *) device->pointer_focus;
uint32_t serial = wl_display_next_serial(compositor->wl_display);
if (compositor->ping_handler && focus)
compositor->ping_handler(focus, serial);
weston_compositor_activity(compositor);
@ -1640,9 +1649,14 @@ notify_key(struct wl_input_device *device,
{
struct weston_input_device *wd = (struct weston_input_device *) device;
struct weston_compositor *compositor = wd->compositor;
struct weston_surface *focus = (struct weston_surface *) device->pointer_focus;
uint32_t serial = wl_display_next_serial(compositor->wl_display);
uint32_t *k, *end;
if (state) {
if (compositor->ping_handler && focus)
compositor->ping_handler(focus, serial);
weston_compositor_idle_inhibit(compositor);
device->grab_key = key;
device->grab_time = time;
@ -2435,6 +2449,8 @@ weston_compositor_init(struct weston_compositor *ec, struct wl_display *display)
screenshooter_create(ec);
ec->ping_handler = NULL;
wl_data_device_manager_init(ec->wl_display);
glActiveTexture(GL_TEXTURE0);

2
src/compositor.h
View file

@ -234,6 +234,8 @@ struct weston_compositor {
void (*destroy)(struct weston_compositor *ec);
int (*authenticate)(struct weston_compositor *c, uint32_t id);
void (*ping_handler)(struct weston_surface *surface, uint32_t serial);
struct screenshooter *screenshooter;
int launcher_sock;
};

89
src/shell.c
View file

@ -95,6 +95,12 @@ enum shell_surface_type {
SHELL_SURFACE_POPUP
};
struct ping_timer {
struct wl_event_source *source;
uint32_t pong_received;
uint32_t serial;
};
struct shell_surface {
struct wl_resource resource;
@ -106,6 +112,7 @@ struct shell_surface {
enum shell_surface_type type;
int32_t saved_x, saved_y;
bool saved_position_valid;
int unresponsive;
struct {
struct weston_transform transform;
@ -128,6 +135,8 @@ struct shell_surface {
struct weston_surface *black_surface;
} fullscreen;
struct ping_timer *ping_timer;
struct weston_output *fullscreen_output;
struct weston_output *output;
struct wl_list link;
@ -284,6 +293,69 @@ static const struct wl_pointer_grab_interface move_grab_interface = {
move_grab_button,
};
static int
ping_timeout_handler(void *data)
{
struct shell_surface *shsurf = data;
if (!shsurf || !shsurf->ping_timer)
return 1;
if (shsurf->ping_timer->pong_received) {
free(shsurf->ping_timer);
shsurf->ping_timer = NULL;
} else {
/* Client is not responding */
shsurf->unresponsive = 1;
}
return 1;
}
static void
ping_handler(struct weston_surface *surface, uint32_t serial)
{
struct shell_surface *shsurf;
shsurf = get_shell_surface(surface);
struct wl_event_loop *loop;
int ping_timeout = 15000;
if (!shsurf)
return;
if (!shsurf->ping_timer) {
shsurf->ping_timer = malloc(sizeof shsurf->ping_timer);
if (!shsurf->ping_timer)
return;
shsurf->ping_timer->serial = serial;
shsurf->ping_timer->pong_received = 0;
loop = wl_display_get_event_loop(surface->compositor->wl_display);
shsurf->ping_timer->source =
wl_event_loop_add_timer(loop, ping_timeout_handler, shsurf);
wl_event_source_timer_update(shsurf->ping_timer->source, ping_timeout);
wl_shell_surface_send_ping(&shsurf->resource, serial);
}
}
static void
shell_surface_pong(struct wl_client *client, struct wl_resource *resource,
uint32_t serial)
{
struct shell_surface *shsurf = resource->data;
if (!shsurf || !shsurf->ping_timer)
return;
if (shsurf->ping_timer->serial == serial) {
shsurf->ping_timer->pong_received = 1;
shsurf->unresponsive = 0;
free(shsurf->ping_timer);
shsurf->ping_timer = NULL;
}
}
static int
weston_surface_move(struct weston_surface *es,
struct weston_input_device *wd)
@ -876,6 +948,7 @@ shell_surface_set_popup(struct wl_client *client,
}
static const struct wl_shell_surface_interface shell_surface_implementation = {
shell_surface_pong,
shell_surface_move,
shell_surface_resize,
shell_surface_set_toplevel,
@ -907,6 +980,8 @@ destroy_shell_surface(struct wl_resource *resource)
*/
wl_list_remove(&shsurf->surface_destroy_listener.link);
shsurf->surface->configure = NULL;
if (shsurf->ping_timer)
free(shsurf->ping_timer);
wl_list_remove(&shsurf->link);
free(shsurf);
@ -970,6 +1045,8 @@ shell_get_shell_surface(struct wl_client *client,
surface->configure = shell_surface_configure;
shsurf->unresponsive = 0;
shsurf->resource.destroy = destroy_shell_surface;
shsurf->resource.object.id = id;
shsurf->resource.object.interface = &wl_shell_surface_interface;
@ -983,6 +1060,7 @@ shell_get_shell_surface(struct wl_client *client,
shsurf->fullscreen.type = WL_SHELL_SURFACE_FULLSCREEN_METHOD_DEFAULT;
shsurf->fullscreen.framerate = 0;
shsurf->fullscreen.black_surface = NULL;
shsurf->ping_timer = NULL;
wl_list_init(&shsurf->fullscreen.transform.link);
shsurf->surface_destroy_listener.notify = shell_handle_surface_destroy;
@ -2225,12 +2303,22 @@ debug_repaint_binding(struct wl_input_device *device, uint32_t time,
static void
shell_destroy(struct wl_listener *listener, void *data)
{
struct weston_surface *surface;
struct shell_surface *shsurf;
struct desktop_shell *shell =
container_of(listener, struct desktop_shell, destroy_listener);
if (shell->child.client)
wl_client_destroy(shell->child.client);
wl_list_for_each(surface, &shell->compositor->surface_list, link) {
shsurf = get_shell_surface(surface);
if (!shsurf)
continue;
if (shsurf->ping_timer)
free(shsurf->ping_timer);
}
free(shell->screensaver.path);
free(shell);
}
@ -2256,6 +2344,7 @@ shell_init(struct weston_compositor *ec)
wl_signal_add(&ec->lock_signal, &shell->lock_listener);
shell->unlock_listener.notify = unlock;
wl_signal_add(&ec->unlock_signal, &shell->unlock_listener);
ec->ping_handler = ping_handler;
wl_list_init(&shell->backgrounds);
wl_list_init(&shell->panels);