mirror of
https://gitlab.freedesktop.org/wayland/wayland.git
synced 2026-07-09 00:06:12 -04:00
Add client side demarshalling for events.
This also consolidates the marshalling code in connection.c and uses the same functions in the server and client for marshalling.
This commit is contained in:
Kristian Høgsberg
parent
fabd4395ba
commit
b3131d9268
7 changed files with 321 additions and 311 deletions
189
wayland.c
189
wayland.c
|
|
@ -73,61 +73,6 @@ struct wl_global {
|
|||
void
|
||||
wl_client_destroy(struct wl_client *client);
|
||||
|
||||
static void
|
||||
wl_client_vmarshal(struct wl_client *client, struct wl_object *sender,
|
||||
uint32_t opcode, va_list ap)
|
||||
{
|
||||
const struct wl_message *event;
|
||||
struct wl_object *object;
|
||||
uint32_t args[32], length, *p, size;
|
||||
const char *s;
|
||||
int i, count;
|
||||
|
||||
event = &sender->interface->events[opcode];
|
||||
count = strlen(event->signature);
|
||||
assert(count <= ARRAY_LENGTH(args));
|
||||
|
||||
p = &args[2];
|
||||
for (i = 0; i < count; i++) {
|
||||
switch (event->signature[i]) {
|
||||
case 'u':
|
||||
case 'i':
|
||||
*p++ = va_arg(ap, uint32_t);
|
||||
break;
|
||||
case 's':
|
||||
s = va_arg(ap, const char *);
|
||||
length = strlen(s);
|
||||
*p++ = length;
|
||||
memcpy(p, s, length);
|
||||
p += DIV_ROUNDUP(length, sizeof(*p));
|
||||
break;
|
||||
case 'o':
|
||||
object = va_arg(ap, struct wl_object *);
|
||||
*p++ = object->id;
|
||||
break;
|
||||
default:
|
||||
assert(0);
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
size = (p - args) * sizeof *p;
|
||||
args[0] = sender->id;
|
||||
args[1] = opcode | (size << 16);
|
||||
wl_connection_write(client->connection, args, size);
|
||||
}
|
||||
|
||||
static void
|
||||
wl_client_marshal(struct wl_client *client, struct wl_object *sender,
|
||||
uint32_t opcode, ...)
|
||||
{
|
||||
va_list ap;
|
||||
|
||||
va_start(ap, opcode);
|
||||
wl_client_vmarshal(client, sender, opcode, ap);
|
||||
va_end(ap);
|
||||
}
|
||||
|
||||
WL_EXPORT void
|
||||
wl_client_post_event(struct wl_client *client, struct wl_object *sender,
|
||||
uint32_t opcode, ...)
|
||||
|
|
@ -135,93 +80,12 @@ wl_client_post_event(struct wl_client *client, struct wl_object *sender,
|
|||
va_list ap;
|
||||
|
||||
va_start(ap, opcode);
|
||||
wl_client_vmarshal(client, sender, opcode, ap);
|
||||
wl_connection_vmarshal(client->connection,
|
||||
sender, opcode, ap,
|
||||
&sender->interface->events[opcode]);
|
||||
va_end(ap);
|
||||
}
|
||||
|
||||
static void
|
||||
wl_client_demarshal(struct wl_client *client, struct wl_object *target,
|
||||
uint32_t opcode, size_t size)
|
||||
{
|
||||
const struct wl_message *method;
|
||||
ffi_type *types[20];
|
||||
ffi_cif cif;
|
||||
uint32_t *p, result;
|
||||
int i, count;
|
||||
union {
|
||||
uint32_t uint32;
|
||||
const char *string;
|
||||
void *object;
|
||||
uint32_t new_id;
|
||||
} values[20];
|
||||
void *args[20];
|
||||
struct wl_object *object;
|
||||
uint32_t data[64];
|
||||
void (*func)(void);
|
||||
|
||||
method = &target->interface->methods[opcode];
|
||||
count = strlen(method->signature) + 2;
|
||||
if (count > ARRAY_LENGTH(types)) {
|
||||
printf("too many args (%d)\n", count);
|
||||
return;
|
||||
}
|
||||
|
||||
if (sizeof data < size) {
|
||||
printf("request too big, should malloc tmp buffer here\n");
|
||||
return;
|
||||
}
|
||||
|
||||
types[0] = &ffi_type_pointer;
|
||||
values[0].object = client;
|
||||
args[0] = &values[0];
|
||||
|
||||
types[1] = &ffi_type_pointer;
|
||||
values[1].object = target;
|
||||
args[1] = &values[1];
|
||||
|
||||
wl_connection_copy(client->connection, data, size);
|
||||
p = &data[2];
|
||||
for (i = 2; i < count; i++) {
|
||||
switch (method->signature[i - 2]) {
|
||||
case 'u':
|
||||
case 'i':
|
||||
types[i] = &ffi_type_uint32;
|
||||
values[i].uint32 = *p;
|
||||
p++;
|
||||
break;
|
||||
case 's':
|
||||
types[i] = &ffi_type_pointer;
|
||||
/* FIXME */
|
||||
values[i].uint32 = *p++;
|
||||
break;
|
||||
case 'o':
|
||||
types[i] = &ffi_type_pointer;
|
||||
object = wl_hash_lookup(client->display->objects, *p);
|
||||
if (object == NULL)
|
||||
printf("unknown object (%d)\n", *p);
|
||||
values[i].object = object;
|
||||
p++;
|
||||
break;
|
||||
case 'n':
|
||||
types[i] = &ffi_type_uint32;
|
||||
values[i].new_id = *p;
|
||||
object = wl_hash_lookup(client->display->objects, *p);
|
||||
if (object != NULL)
|
||||
printf("object already exists (%d)\n", *p);
|
||||
p++;
|
||||
break;
|
||||
default:
|
||||
printf("unknown type\n");
|
||||
break;
|
||||
}
|
||||
args[i] = &values[i];
|
||||
}
|
||||
|
||||
func = target->implementation[opcode];
|
||||
ffi_prep_cif(&cif, FFI_DEFAULT_ABI, count, &ffi_type_uint32, types);
|
||||
ffi_call(&cif, func, &result, args);
|
||||
}
|
||||
|
||||
static void
|
||||
wl_client_connection_data(int fd, uint32_t mask, void *data)
|
||||
{
|
||||
|
|
@ -252,22 +116,29 @@ wl_client_connection_data(int fd, uint32_t mask, void *data)
|
|||
|
||||
object = wl_hash_lookup(client->display->objects, p[0]);
|
||||
if (object == NULL) {
|
||||
wl_client_marshal(client, &client->display->base,
|
||||
WL_DISPLAY_INVALID_OBJECT, p[0]);
|
||||
wl_client_post_event(client, &client->display->base,
|
||||
WL_DISPLAY_INVALID_OBJECT, p[0]);
|
||||
wl_connection_consume(connection, size);
|
||||
len -= size;
|
||||
continue;
|
||||
}
|
||||
|
||||
if (opcode >= object->interface->method_count) {
|
||||
wl_client_marshal(client, &client->display->base,
|
||||
WL_DISPLAY_INVALID_METHOD, p[0], opcode);
|
||||
wl_client_post_event(client, &client->display->base,
|
||||
WL_DISPLAY_INVALID_METHOD, p[0], opcode);
|
||||
wl_connection_consume(connection, size);
|
||||
len -= size;
|
||||
continue;
|
||||
}
|
||||
|
||||
wl_client_demarshal(client, object, opcode, size);
|
||||
wl_connection_demarshal(client->connection,
|
||||
size,
|
||||
client->display->objects,
|
||||
object->implementation[opcode],
|
||||
client,
|
||||
object,
|
||||
&object->interface->methods[opcode]);
|
||||
|
||||
wl_connection_consume(connection, size);
|
||||
len -= size;
|
||||
}
|
||||
|
|
@ -291,8 +162,8 @@ wl_client_connection_update(struct wl_connection *connection,
|
|||
static void
|
||||
wl_display_post_range(struct wl_display *display, struct wl_client *client)
|
||||
{
|
||||
wl_client_marshal(client, &client->display->base,
|
||||
WL_DISPLAY_RANGE, display->client_id_range);
|
||||
wl_client_post_event(client, &client->display->base,
|
||||
WL_DISPLAY_RANGE, display->client_id_range);
|
||||
display->client_id_range += 256;
|
||||
client->id_count += 256;
|
||||
}
|
||||
|
|
@ -323,11 +194,11 @@ wl_client_create(struct wl_display *display, int fd)
|
|||
global = container_of(display->global_list.next,
|
||||
struct wl_global, link);
|
||||
while (&global->link != &display->global_list) {
|
||||
wl_client_marshal(client, &client->display->base,
|
||||
WL_DISPLAY_GLOBAL,
|
||||
global->object,
|
||||
global->object->interface->name,
|
||||
global->object->interface->version);
|
||||
wl_client_post_event(client, &client->display->base,
|
||||
WL_DISPLAY_GLOBAL,
|
||||
global->object,
|
||||
global->object->interface->name,
|
||||
global->object->interface->version);
|
||||
global = container_of(global->link.next,
|
||||
struct wl_global, link);
|
||||
}
|
||||
|
|
@ -395,8 +266,8 @@ wl_client_add_surface(struct wl_client *client,
|
|||
|
||||
ref = malloc(sizeof *ref);
|
||||
if (ref == NULL) {
|
||||
wl_client_marshal(client, &display->base,
|
||||
WL_DISPLAY_NO_MEMORY);
|
||||
wl_client_post_event(client, &display->base,
|
||||
WL_DISPLAY_NO_MEMORY);
|
||||
return -1;
|
||||
}
|
||||
|
||||
|
|
@ -415,8 +286,8 @@ wl_client_send_acknowledge(struct wl_client *client,
|
|||
wl_list_remove(&client->link);
|
||||
wl_list_insert(client->display->pending_frame_list.prev,
|
||||
&client->link);
|
||||
wl_client_marshal(client, &compositor->base,
|
||||
WL_COMPOSITOR_ACKNOWLEDGE, key, frame);
|
||||
wl_client_post_event(client, &compositor->base,
|
||||
WL_COMPOSITOR_ACKNOWLEDGE, key, frame);
|
||||
}
|
||||
|
||||
WL_EXPORT int
|
||||
|
|
@ -505,7 +376,9 @@ wl_surface_post_event(struct wl_surface *surface,
|
|||
va_list ap;
|
||||
|
||||
va_start(ap, event);
|
||||
wl_client_vmarshal(surface->client, sender, event, ap);
|
||||
wl_connection_vmarshal(surface->client->connection,
|
||||
sender, event, ap,
|
||||
&sender->interface->events[event]);
|
||||
va_end(ap);
|
||||
}
|
||||
|
||||
|
|
@ -520,8 +393,8 @@ wl_display_post_frame(struct wl_display *display,
|
|||
struct wl_client, link);
|
||||
|
||||
while (&client->link != &display->pending_frame_list) {
|
||||
wl_client_marshal(client, &compositor->base,
|
||||
WL_COMPOSITOR_FRAME, frame, msecs);
|
||||
wl_client_post_event(client, &compositor->base,
|
||||
WL_COMPOSITOR_FRAME, frame, msecs);
|
||||
client = container_of(client->link.next,
|
||||
struct wl_client, link);
|
||||
}
|
||||
|
|
|
|||
Loading…
Add table
Add a link
Reference in a new issue