broadway: Initial version of separate broadway server

This kinda works but is very rudimentary
This commit is contained in:
Alexander Larsson 2012-12-22 00:02:55 +01:00
parent 4addb2108e
commit fc96ef51d7
9 changed files with 1271 additions and 23 deletions

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@ -78,14 +78,14 @@ libgdk_broadway_la_SOURCES = \
gdkvisual-broadway.c \
gdkwindow-broadway.c \
gdkwindow-broadway.h \
gdkprivate-broadway.h
libgdk_broadway_la_LIBADD = libbroadway.la
gdkprivate-broadway.h \
gdkbroadway-server.h \
gdkbroadway-server-client.c
broadway_server_SOURCES = \
broadway-server.c
broadway_server_LDADD = libbroadway.la $(GDK_DEP_LIBS)
broadway_server_LDADD = libbroadway.la $(GDK_DEP_LIBS) -lrt
MAINTAINERCLEANFILES = $(broadway_built_sources)
EXTRA_DIST += $(broadway_built_sources)

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@ -3,6 +3,11 @@
#include <glib.h>
typedef struct {
gint32 x, y;
gint32 width, height;
} BroadwayRect;
typedef enum {
BROADWAY_EVENT_ENTER = 'e',
BROADWAY_EVENT_LEAVE = 'l',
@ -110,4 +115,150 @@ typedef union {
BroadwayInputScreenResizeNotify screen_resize_notify;
} BroadwayInputMsg;
typedef enum {
BROADWAY_REQUEST_NEW_WINDOW,
BROADWAY_REQUEST_FLUSH,
BROADWAY_REQUEST_SYNC,
BROADWAY_REQUEST_QUERY_MOUSE,
BROADWAY_REQUEST_DESTROY_WINDOW,
BROADWAY_REQUEST_SHOW_WINDOW,
BROADWAY_REQUEST_HIDE_WINDOW,
BROADWAY_REQUEST_SET_TRANSIENT_FOR,
BROADWAY_REQUEST_TRANSLATE,
BROADWAY_REQUEST_UPDATE,
BROADWAY_REQUEST_MOVE_RESIZE,
BROADWAY_REQUEST_GRAB_POINTER,
BROADWAY_REQUEST_UNGRAB_POINTER
} BroadwayRequestType;
typedef struct {
guint32 size;
guint32 serial;
guint32 type;
} BroadwayRequestBase, BroadwayRequestFlush, BroadwayRequestSync, BroadwayRequestQueryMouse;
typedef struct {
BroadwayRequestBase base;
guint32 id;
} BroadwayRequestDestroyWindow, BroadwayRequestShowWindow, BroadwayRequestHideWindow;
typedef struct {
BroadwayRequestBase base;
guint32 id;
guint32 parent;
} BroadwayRequestSetTransientFor;
typedef struct {
BroadwayRequestBase base;
guint32 id;
gint32 dx;
gint32 dy;
guint32 n_rects;
BroadwayRect rects[1];
} BroadwayRequestTranslate;
typedef struct {
BroadwayRequestBase base;
guint32 id;
char name[34];
guint32 width;
guint32 height;
} BroadwayRequestUpdate;
typedef struct {
BroadwayRequestBase base;
guint32 id;
guint32 owner_events;
guint32 event_mask;
guint32 time_;
} BroadwayRequestGrabPointer;
typedef struct {
BroadwayRequestBase base;
guint32 time_;
} BroadwayRequestUngrabPointer;
typedef struct {
BroadwayRequestBase base;
gint32 x;
gint32 y;
guint32 width;
guint32 height;
guint32 is_temp;
} BroadwayRequestNewWindow;
typedef struct {
BroadwayRequestBase base;
guint32 id;
gint32 x;
gint32 y;
guint32 width;
guint32 height;
} BroadwayRequestMoveResize;
typedef union {
BroadwayRequestBase base;
BroadwayRequestNewWindow new_window;
BroadwayRequestFlush flush;
BroadwayRequestSync sync;
BroadwayRequestQueryMouse query_mouse;
BroadwayRequestDestroyWindow destroy_window;
BroadwayRequestShowWindow show_window;
BroadwayRequestHideWindow hide_window;
BroadwayRequestSetTransientFor set_transient_for;
BroadwayRequestUpdate update;
BroadwayRequestMoveResize move_resize;
BroadwayRequestGrabPointer grab_pointer;
BroadwayRequestUngrabPointer ungrab_pointer;
BroadwayRequestTranslate translate;
} BroadwayRequest;
typedef enum {
BROADWAY_REPLY_EVENT,
BROADWAY_REPLY_SYNC,
BROADWAY_REPLY_QUERY_MOUSE,
BROADWAY_REPLY_NEW_WINDOW,
BROADWAY_REPLY_GRAB_POINTER,
BROADWAY_REPLY_UNGRAB_POINTER
} BroadwayReplyType;
typedef struct {
guint32 size;
guint32 last_serial;
guint32 in_reply_to;
guint32 type;
} BroadwayReplyBase, BroadwayReplySync;
typedef struct {
BroadwayReplyBase base;
guint32 id;
} BroadwayReplyNewWindow;
typedef struct {
BroadwayReplyBase base;
guint32 status;
} BroadwayReplyGrabPointer, BroadwayReplyUngrabPointer;
typedef struct {
BroadwayReplyBase base;
guint32 toplevel;
gint32 root_x;
gint32 root_y;
guint32 mask;
} BroadwayReplyQueryMouse;
typedef struct {
BroadwayReplyBase base;
BroadwayInputMsg msg;
} BroadwayReplyEvent;
typedef union {
BroadwayReplyBase base;
BroadwayReplyEvent event;
BroadwayReplyQueryMouse query_mouse;
BroadwayReplyNewWindow new_window;
BroadwayReplyGrabPointer grab_pointer;
BroadwayReplyUngrabPointer ungrab_pointer;
} BroadwayReply;
#endif /* __BROADWAY_PROTOCOL_H__ */

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@ -1,13 +1,346 @@
#include <string.h>
#include <sys/mman.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <glib.h>
#include <gio/gio.h>
#include <gio/gunixsocketaddress.h>
#include "gdkbroadway-server.h"
GdkBroadwayServer *server;
GList *clients;
static guint32 client_id_count = 1;
typedef struct {
guint32 id;
GSocketConnection *connection;
GBufferedInputStream *in;
guint32 last_seen_serial;
GList *windows;
} BroadwayClient;
static void
client_free (BroadwayClient *client)
{
clients = g_list_remove (clients, client);
g_object_unref (client->connection);
g_object_unref (client->in);
g_free (client);
}
static void
client_disconnected (BroadwayClient *client)
{
g_print ("client %d disconnected\n", client->id);
/* TODO: destroy client windows, also maybe do this in an idle, at least in some cases like on an i/o error */
client_free (client);
}
static void
send_reply (BroadwayClient *client,
BroadwayRequest *request,
BroadwayReply *reply,
gsize size,
guint32 type)
{
GOutputStream *output;
reply->base.size = size;
reply->base.last_serial = client->last_seen_serial;
reply->base.in_reply_to = request ? request->base.serial : 0;
reply->base.type = type;
output = g_io_stream_get_output_stream (G_IO_STREAM (client->connection));
if (!g_output_stream_write_all (output, reply, size, NULL, NULL, NULL))
{
g_printerr ("can't write to client");
client_disconnected (client);
/* TODO: Make sure we don't access client after this */
}
}
static cairo_region_t *
region_from_rects (BroadwayRect *rects, int n_rects)
{
cairo_region_t *region;
cairo_rectangle_int_t *cairo_rects;
int i;
cairo_rects = g_new (cairo_rectangle_int_t, n_rects);
for (i = 0; i < n_rects; i++)
{
cairo_rects[i].x = rects[i].x;
cairo_rects[i].y = rects[i].y;
cairo_rects[i].width = rects[i].width;
cairo_rects[i].height = rects[i].height;
}
region = cairo_region_create_rectangles (cairo_rects, n_rects);
g_free (cairo_rects);
return region;
}
static const cairo_user_data_key_t shm_cairo_key;
typedef struct {
void *data;
gsize data_size;
} ShmSurfaceData;
static void
shm_data_unmap (void *_data)
{
ShmSurfaceData *data = _data;
munmap (data->data, data->data_size);
g_free (data);
}
cairo_surface_t *
open_surface (char *name, int width, int height)
{
ShmSurfaceData *data;
cairo_surface_t *surface;
gsize size;
void *ptr;
int fd;
/* TODO: Cache this */
size = width * height * sizeof (guint32);
fd = shm_open(name, O_RDONLY, 0600);
if (fd == -1)
{
perror ("Failed to shm_open");
return NULL;
}
ptr = mmap(0, size, PROT_READ, MAP_SHARED, fd, 0);
(void) close(fd);
if (ptr == NULL)
return NULL;
data = g_new0 (ShmSurfaceData, 1);
data->data = ptr;
data->data_size = size;
surface = cairo_image_surface_create_for_data ((guchar *)data->data,
CAIRO_FORMAT_RGB24,
width, height,
width * sizeof (guint32));
g_assert (surface != NULL);
cairo_surface_set_user_data (surface, &shm_cairo_key,
data, shm_data_unmap);
return surface;
}
static void
client_handle_request (BroadwayClient *client,
BroadwayRequest *request)
{
BroadwayReplyNewWindow reply_new_window;
BroadwayReplySync reply_sync;
BroadwayReplyQueryMouse reply_query_mouse;
BroadwayReplyGrabPointer reply_grab_pointer;
BroadwayReplyUngrabPointer reply_ungrab_pointer;
cairo_region_t *area;
cairo_surface_t *surface;
client->last_seen_serial = request->base.serial;
switch (request->base.type)
{
case BROADWAY_REQUEST_NEW_WINDOW:
reply_new_window.id =
_gdk_broadway_server_new_window (server,
request->new_window.x,
request->new_window.y,
request->new_window.width,
request->new_window.height,
request->new_window.is_temp);
send_reply (client, request, (BroadwayReply *)&reply_new_window, sizeof (reply_new_window),
BROADWAY_REPLY_NEW_WINDOW);
break;
case BROADWAY_REQUEST_FLUSH:
_gdk_broadway_server_flush (server);
break;
case BROADWAY_REQUEST_SYNC:
_gdk_broadway_server_flush (server);
send_reply (client, request, (BroadwayReply *)&reply_sync, sizeof (reply_sync),
BROADWAY_REPLY_SYNC);
break;
case BROADWAY_REQUEST_QUERY_MOUSE:
_gdk_broadway_server_query_mouse (server,
&reply_query_mouse.toplevel,
&reply_query_mouse.root_x,
&reply_query_mouse.root_y,
&reply_query_mouse.mask);
send_reply (client, request, (BroadwayReply *)&reply_query_mouse, sizeof (reply_query_mouse),
BROADWAY_REPLY_QUERY_MOUSE);
break;
case BROADWAY_REQUEST_DESTROY_WINDOW:
_gdk_broadway_server_destroy_window (server, request->destroy_window.id);
break;
case BROADWAY_REQUEST_SHOW_WINDOW:
_gdk_broadway_server_window_show (server, request->show_window.id);
break;
case BROADWAY_REQUEST_HIDE_WINDOW:
_gdk_broadway_server_window_hide (server, request->hide_window.id);
break;
case BROADWAY_REQUEST_SET_TRANSIENT_FOR:
_gdk_broadway_server_window_set_transient_for (server,
request->set_transient_for.id,
request->set_transient_for.parent);
break;
case BROADWAY_REQUEST_TRANSLATE:
area = region_from_rects (request->translate.rects,
request->translate.n_rects);
_gdk_broadway_server_window_translate (server,
request->translate.id,
area,
request->translate.dx,
request->translate.dy);
cairo_region_destroy (area);
break;
case BROADWAY_REQUEST_UPDATE:
surface = open_surface (request->update.name,
request->update.width,
request->update.height);
if (surface != NULL)
{
_gdk_broadway_server_window_update (server,
request->update.id,
surface);
cairo_surface_destroy (surface);
}
break;
case BROADWAY_REQUEST_MOVE_RESIZE:
if (!_gdk_broadway_server_window_move_resize (server,
request->move_resize.id,
request->move_resize.x,
request->move_resize.y,
request->move_resize.width,
request->move_resize.height))
{
/* TODO: Send configure request */
}
break;
case BROADWAY_REQUEST_GRAB_POINTER:
reply_grab_pointer.status =
_gdk_broadway_server_grab_pointer (server,
request->grab_pointer.id,
request->grab_pointer.owner_events,
request->grab_pointer.event_mask,
request->grab_pointer.time_);
send_reply (client, request, (BroadwayReply *)&reply_grab_pointer, sizeof (reply_grab_pointer),
BROADWAY_REPLY_GRAB_POINTER);
break;
case BROADWAY_REQUEST_UNGRAB_POINTER:
reply_ungrab_pointer.status =
_gdk_broadway_server_ungrab_pointer (server,
request->ungrab_pointer.time_);
send_reply (client, request, (BroadwayReply *)&reply_ungrab_pointer, sizeof (reply_ungrab_pointer),
BROADWAY_REPLY_UNGRAB_POINTER);
break;
default:
g_warning ("Unknown request of type %d\n", request->base.type);
}
}
static void
client_fill_cb (GObject *source_object,
GAsyncResult *result,
gpointer user_data)
{
BroadwayClient *client = user_data;
gssize res;
res = g_buffered_input_stream_fill_finish (client->in, result, NULL);
if (res > 0)
{
guint32 size;
gsize count, remaining;
guint8 *buffer;
BroadwayRequest request;
buffer = (guint8 *)g_buffered_input_stream_peek_buffer (client->in, &count);
remaining = count;
while (remaining >= sizeof (guint32))
{
memcpy (&size, buffer, sizeof (guint32));
if (size <= remaining)
{
g_assert (size >= sizeof (BroadwayRequestBase));
g_assert (size <= sizeof (BroadwayRequest));
memcpy (&request, buffer, size);
client_handle_request (client, &request);
remaining -= size;
buffer += size;
}
}
/* This is guaranteed not to block */
g_input_stream_skip (G_INPUT_STREAM (client->in), count - remaining, NULL, NULL);
g_buffered_input_stream_fill_async (client->in,
4*1024,
0,
NULL,
client_fill_cb, client);
}
else
{
client_disconnected (client);
}
}
static gboolean
incoming_client (GSocketService *service,
GSocketConnection *connection,
GObject *source_object)
{
BroadwayClient *client;
GInputStream *input;
client = g_new0 (BroadwayClient, 1);
client->id = client_id_count++;
client->connection = g_object_ref (connection);
input = g_io_stream_get_input_stream (G_IO_STREAM (client->connection));
client->in = (GBufferedInputStream *)g_buffered_input_stream_new (input);
clients = g_list_prepend (clients, client);
g_buffered_input_stream_fill_async (client->in,
4*1024,
0,
NULL,
client_fill_cb, client);
return TRUE;
}
int
main (int argc, char *argv[])
{
GdkBroadwayServer *server;
GError *error;
GMainLoop *loop;
GSocketAddress *address;
GSocketService *listener;
char *path;
error = NULL;
server = _gdk_broadway_server_new (8080, &error);
@ -17,16 +350,90 @@ main (int argc, char *argv[])
return 1;
}
path = g_build_filename (g_get_user_runtime_dir (), "broadway1.socket", NULL);
g_print ("Listening on %s\n", path);
address = g_unix_socket_address_new_with_type (path, -1,
G_UNIX_SOCKET_ADDRESS_ABSTRACT);
g_free (path);
listener = g_socket_service_new ();
if (!g_socket_listener_add_address (G_SOCKET_LISTENER (listener),
address,
G_SOCKET_TYPE_STREAM,
G_SOCKET_PROTOCOL_DEFAULT,
G_OBJECT (server),
NULL,
&error))
{
g_printerr ("Can't listen: %s\n", error->message);
return 1;
}
g_object_unref (address);
g_signal_connect (listener, "incoming", G_CALLBACK (incoming_client), NULL);
g_socket_service_start (G_SOCKET_SERVICE (listener));
loop = g_main_loop_new (NULL, FALSE);
g_main_loop_run (loop);
return 0;
}
/* TODO: */
static gsize
get_event_size (int type)
{
switch (type)
{
case BROADWAY_EVENT_ENTER:
case BROADWAY_EVENT_LEAVE:
return sizeof (BroadwayInputCrossingMsg);
case BROADWAY_EVENT_POINTER_MOVE:
return sizeof (BroadwayInputPointerMsg);
case BROADWAY_EVENT_BUTTON_PRESS:
case BROADWAY_EVENT_BUTTON_RELEASE:
return sizeof (BroadwayInputButtonMsg);
case BROADWAY_EVENT_SCROLL:
return sizeof (BroadwayInputScrollMsg);
case BROADWAY_EVENT_KEY_PRESS:
case BROADWAY_EVENT_KEY_RELEASE:
return sizeof (BroadwayInputKeyMsg);
case BROADWAY_EVENT_GRAB_NOTIFY:
case BROADWAY_EVENT_UNGRAB_NOTIFY:
return sizeof (BroadwayInputGrabReply);
case BROADWAY_EVENT_CONFIGURE_NOTIFY:
return sizeof (BroadwayInputConfigureNotify);
case BROADWAY_EVENT_DELETE_NOTIFY:
return sizeof (BroadwayInputDeleteNotify);
case BROADWAY_EVENT_SCREEN_SIZE_CHANGED:
return sizeof (BroadwayInputScreenResizeNotify);
default:
g_assert_not_reached ();
}
return 0;
}
void
_gdk_broadway_events_got_input (BroadwayInputMsg *message)
{
GList *l;
BroadwayReplyEvent reply_event;
gsize size;
size = get_event_size (message->base.type);
reply_event.msg = *message;
/* TODO:
Don't send to all clients
Rewrite serials, etc
*/
for (l = clients; l != NULL; l = l->next)
{
BroadwayClient *client = l->data;
send_reply (client, NULL, (BroadwayReply *)&reply_event,
sizeof (BroadwayReplyBase) + size,
BROADWAY_REPLY_EVENT);
}
}

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@ -3,14 +3,10 @@
#include <glib.h>
#include <gio/gio.h>
#include "broadway-protocol.h"
typedef struct BroadwayOutput BroadwayOutput;
typedef struct {
int x, y;
int width, height;
} BroadwayRect;
typedef enum {
BROADWAY_WS_CONTINUATION = 0,
BROADWAY_WS_TEXT = 1,

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@ -0,0 +1,693 @@
#include <sys/mman.h>
#include <sys/stat.h>
#include <fcntl.h>
#include "gdkbroadway-server.h"
#include "broadway.h"
#include "gdkprivate-broadway.h"
#include <glib.h>
#include <glib/gprintf.h>
#include <gio/gunixsocketaddress.h>
#include <stdlib.h>
#include <string.h>
#include <errno.h>
#include <unistd.h>
#include <sys/types.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <netinet/tcp.h>
typedef struct BroadwayInput BroadwayInput;
struct _GdkBroadwayServer {
GObject parent_instance;
guint32 next_serial;
GSocketConnection *connection;
guint32 recv_buffer_size;
guint8 recv_buffer[1024];
guint process_input_idle;
GList *incomming;
};
struct _GdkBroadwayServerClass
{
GObjectClass parent_class;
};
static gboolean input_available_cb (gpointer stream, gpointer user_data);
G_DEFINE_TYPE (GdkBroadwayServer, gdk_broadway_server, G_TYPE_OBJECT)
static void
gdk_broadway_server_init (GdkBroadwayServer *server)
{
server->next_serial = 1;
}
static void
gdk_broadway_server_finalize (GObject *object)
{
G_OBJECT_CLASS (gdk_broadway_server_parent_class)->finalize (object);
}
static void
gdk_broadway_server_class_init (GdkBroadwayServerClass * class)
{
GObjectClass *object_class = G_OBJECT_CLASS (class);
object_class->finalize = gdk_broadway_server_finalize;
}
gboolean
_gdk_broadway_server_lookahead_event (GdkBroadwayServer *server,
const char *types)
{
return FALSE;
}
gulong
_gdk_broadway_server_get_next_serial (GdkBroadwayServer *server)
{
return (gulong)server->next_serial;
}
GdkBroadwayServer *
_gdk_broadway_server_new (int port, GError **error)
{
GdkBroadwayServer *server;
char *basename;
GSocketClient *client;
GSocketConnection *connection;
GSocketAddress *address;
GPollableInputStream *pollable;
GInputStream *in;
GSource *source;
char *path;
basename = g_strdup_printf ("broadway%d.socket", port);
path = g_build_filename (g_get_user_runtime_dir (), basename, NULL);
g_free (basename);
address = g_unix_socket_address_new_with_type (path, -1,
G_UNIX_SOCKET_ADDRESS_ABSTRACT);
g_free (path);
client = g_socket_client_new ();
error = NULL;
connection = g_socket_client_connect (client, G_SOCKET_CONNECTABLE (address), NULL, error);
g_object_unref (address);
g_object_unref (client);
if (connection == NULL)
return NULL;
server = g_object_new (GDK_TYPE_BROADWAY_SERVER, NULL);
server->connection = connection;
in = g_io_stream_get_input_stream (G_IO_STREAM (server->connection));
pollable = G_POLLABLE_INPUT_STREAM (in);
source = g_pollable_input_stream_create_source (pollable, NULL);
g_source_attach (source, NULL);
g_source_set_callback (source, (GSourceFunc)input_available_cb, server, NULL);
return server;
}
guint32
_gdk_broadway_server_get_last_seen_time (GdkBroadwayServer *server)
{
return 0;
}
static guint32
gdk_broadway_server_send_message_with_size (GdkBroadwayServer *server, BroadwayRequestBase *base,
gsize size, guint32 type)
{
GOutputStream *out;
gsize written;
base->size = size;
base->type = type;
base->serial = server->next_serial++;
out = g_io_stream_get_output_stream (G_IO_STREAM (server->connection));
if (!g_output_stream_write_all (out, base, size, &written, NULL, NULL))
{
g_printerr ("Unable to write to server\n");
exit (1);
}
g_assert (written == size);
return base->serial;
}
#define gdk_broadway_server_send_message(_server, _msg, _type) \
gdk_broadway_server_send_message_with_size(_server, (BroadwayRequestBase *)&_msg, sizeof (_msg), _type)
static void
parse_all_input (GdkBroadwayServer *server)
{
guint8 *p, *end;
guint32 size;
BroadwayReply *reply;
p = server->recv_buffer;
end = p + server->recv_buffer_size;
while (p + sizeof (guint32) <= end)
{
memcpy (&size, p, sizeof (guint32));
if (p + size > end)
break;
reply = g_memdup (p, size);
p += size;
server->incomming = g_list_append (server->incomming, reply);
}
if (p < end)
memmove (server->recv_buffer, p, end - p);
server->recv_buffer_size = end - p;
}
static void
read_some_input_blocking (GdkBroadwayServer *server)
{
GInputStream *in;
gssize res;
in = g_io_stream_get_input_stream (G_IO_STREAM (server->connection));
g_assert (server->recv_buffer_size < sizeof (server->recv_buffer));
res = g_input_stream_read (in, &server->recv_buffer[server->recv_buffer_size],
sizeof (server->recv_buffer) - server->recv_buffer_size,
NULL, NULL);
if (res <= 0)
{
g_printerr ("Unable to read from broadway server\n");
exit (1);
}
server->recv_buffer_size += res;
}
static void
read_some_input_nonblocking (GdkBroadwayServer *server)
{
GInputStream *in;
GPollableInputStream *pollable;
gssize res;
GError *error;
in = g_io_stream_get_input_stream (G_IO_STREAM (server->connection));
pollable = G_POLLABLE_INPUT_STREAM (in);
g_assert (server->recv_buffer_size < sizeof (server->recv_buffer));
error = NULL;
res = g_pollable_input_stream_read_nonblocking (pollable, &server->recv_buffer[server->recv_buffer_size],
sizeof (server->recv_buffer) - server->recv_buffer_size,
NULL, &error);
if (res < 0 && g_error_matches (error, G_IO_ERROR, G_IO_ERROR_WOULD_BLOCK))
{
g_error_free (error);
res = 0;
}
else if (res <= 0)
{
g_printerr ("Unable to read from broadway server: %s\n", error ? error->message : "eof");
exit (1);
}
server->recv_buffer_size += res;
}
static BroadwayReply *
find_response_by_serial (GdkBroadwayServer *server, guint32 serial)
{
GList *l;
for (l = server->incomming; l != NULL; l = l->next)
{
BroadwayReply *reply = l->data;
if (reply->base.in_reply_to == serial)
return reply;
}
return NULL;
}
static void
process_input_messages (GdkBroadwayServer *server)
{
BroadwayReply *reply;
if (server->process_input_idle != 0)
{
g_source_remove (server->process_input_idle);
server->process_input_idle = 0;
}
while (server->incomming)
{
reply = server->incomming->data;
server->incomming =
g_list_delete_link (server->incomming,
server->incomming);
if (reply->base.type == BROADWAY_REPLY_EVENT)
_gdk_broadway_events_got_input (&reply->event.msg);
else
g_warning ("Unhandled reply type %d\n", reply->base.type);
g_free (reply);
}
}
static gboolean
process_input_idle_cb (GdkBroadwayServer *server)
{
server->process_input_idle = 0;
process_input_messages (server);
return G_SOURCE_REMOVE;
}
static void
queue_process_input_at_idle (GdkBroadwayServer *server)
{
if (server->process_input_idle == 0)
server->process_input_idle =
g_idle_add_full (G_PRIORITY_DEFAULT, (GSourceFunc)process_input_idle_cb, server, NULL);
}
static gboolean
input_available_cb (gpointer stream, gpointer user_data)
{
GdkBroadwayServer *server = user_data;
read_some_input_nonblocking (server);
parse_all_input (server);
process_input_messages (server);
return G_SOURCE_CONTINUE;
}
static BroadwayReply *
gdk_broadway_server_wait_for_reply (GdkBroadwayServer *server,
guint32 serial)
{
BroadwayReply *reply;
while (TRUE)
{
reply = find_response_by_serial (server, serial);
if (reply)
{
server->incomming = g_list_remove (server->incomming, reply);
return reply;
}
read_some_input_blocking (server);
parse_all_input (server);
}
queue_process_input_at_idle (server);
}
void
_gdk_broadway_server_flush (GdkBroadwayServer *server)
{
BroadwayRequestFlush msg;
gdk_broadway_server_send_message(server, msg, BROADWAY_REQUEST_FLUSH);
}
void
_gdk_broadway_server_sync (GdkBroadwayServer *server)
{
BroadwayRequestSync msg;
guint32 serial;
BroadwayReply *reply;
serial = gdk_broadway_server_send_message (server, msg,
BROADWAY_REQUEST_SYNC);
reply = gdk_broadway_server_wait_for_reply (server, serial);
g_assert (reply->base.type == BROADWAY_REPLY_SYNC);
g_free (reply);
return;
}
void
_gdk_broadway_server_query_mouse (GdkBroadwayServer *server,
guint32 *toplevel,
gint32 *root_x,
gint32 *root_y,
guint32 *mask)
{
BroadwayRequestQueryMouse msg;
guint32 serial;
BroadwayReply *reply;
serial = gdk_broadway_server_send_message (server, msg,
BROADWAY_REQUEST_QUERY_MOUSE);
reply = gdk_broadway_server_wait_for_reply (server, serial);
g_assert (reply->base.type == BROADWAY_REPLY_QUERY_MOUSE);
if (toplevel)
*toplevel = reply->query_mouse.toplevel;
if (root_x)
*root_x = reply->query_mouse.root_x;
if (root_y)
*root_y = reply->query_mouse.root_y;
if (mask)
*mask = reply->query_mouse.mask;
g_free (reply);
}
guint32
_gdk_broadway_server_new_window (GdkBroadwayServer *server,
int x,
int y,
int width,
int height,
gboolean is_temp)
{
BroadwayRequestNewWindow msg;
guint32 serial, id;
BroadwayReply *reply;
msg.x = x;
msg.y = y;
msg.width = width;
msg.height = height;
msg.is_temp = is_temp;
serial = gdk_broadway_server_send_message (server, msg,
BROADWAY_REQUEST_NEW_WINDOW);
reply = gdk_broadway_server_wait_for_reply (server, serial);
g_assert (reply->base.type == BROADWAY_REPLY_NEW_WINDOW);
id = reply->new_window.id;
g_free (reply);
return id;
}
void
_gdk_broadway_server_destroy_window (GdkBroadwayServer *server,
gint id)
{
BroadwayRequestDestroyWindow msg;
msg.id = id;
gdk_broadway_server_send_message (server, msg,
BROADWAY_REQUEST_DESTROY_WINDOW);
}
gboolean
_gdk_broadway_server_window_show (GdkBroadwayServer *server,
gint id)
{
BroadwayRequestShowWindow msg;
msg.id = id;
gdk_broadway_server_send_message (server, msg,
BROADWAY_REQUEST_SHOW_WINDOW);
return TRUE;
}
gboolean
_gdk_broadway_server_window_hide (GdkBroadwayServer *server,
gint id)
{
BroadwayRequestHideWindow msg;
msg.id = id;
gdk_broadway_server_send_message (server, msg,
BROADWAY_REQUEST_HIDE_WINDOW);
return TRUE;
}
void
_gdk_broadway_server_window_set_transient_for (GdkBroadwayServer *server,
gint id, gint parent)
{
BroadwayRequestSetTransientFor msg;
msg.id = id;
msg.parent = parent;
gdk_broadway_server_send_message (server, msg,
BROADWAY_REQUEST_SET_TRANSIENT_FOR);
}
gboolean
_gdk_broadway_server_has_client (GdkBroadwayServer *server)
{
/* TODO */
return FALSE;
}
gboolean
_gdk_broadway_server_window_translate (GdkBroadwayServer *server,
gint id,
cairo_region_t *area,
gint dx,
gint dy)
{
BroadwayRequestTranslate *msg;
cairo_rectangle_int_t rect;
int i, n_rects;
gsize msg_size;
n_rects = cairo_region_num_rectangles (area);
msg_size = sizeof (BroadwayRequestTranslate) + (n_rects-1) * sizeof (BroadwayRect);
msg = g_malloc (msg_size);
msg->id = id;
msg->dx = dx;
msg->dy = dy;
msg->n_rects = n_rects;
for (i = 0; i < n_rects; i++)
{
cairo_region_get_rectangle (area, i, &rect);
msg->rects[i].x = rect.x;
msg->rects[i].y = rect.y;
msg->rects[i].width = rect.width;
msg->rects[i].height = rect.height;
}
gdk_broadway_server_send_message_with_size (server, (BroadwayRequestBase *)msg, msg_size,
BROADWAY_REQUEST_TRANSLATE);
g_free (msg);
return TRUE;
}
static char
make_valid_fs_char (char c)
{
if (c == 0 || c == '/')
return c + 1;
return c;
}
/* name must have at least space for 34 bytes */
static int
create_random_shm (char *name)
{
guint32 r;
int i, o, fd;
while (TRUE)
{
o = 0;
name[o++] = '/';
for (i = 0; i < 32/4; i++)
{
r = g_random_int ();
name[o++] = make_valid_fs_char ((r >> 0) & 0xff);
name[o++] = make_valid_fs_char ((r >> 8) & 0xff);
name[o++] = make_valid_fs_char ((r >> 16) & 0xff);
name[o++] = make_valid_fs_char ((r >> 24) & 0xff);
}
name[o++] = 0;
fd = shm_open(name, O_RDWR|O_CREAT|O_EXCL, 0600);
if (fd >= 0)
return fd;
if (errno != EEXIST)
{
g_printerr ("Unable to allocate shared mem for window");
exit (1);
}
}
}
static const cairo_user_data_key_t gdk_broadway_shm_cairo_key;
typedef struct {
char name[34];
void *data;
gsize data_size;
} BroadwayShmSurfaceData;
static void
shm_data_destroy (void *_data)
{
BroadwayShmSurfaceData *data = _data;
munmap (data->data, data->data_size);
shm_unlink (data->name);
g_free (data);
}
cairo_surface_t *
_gdk_broadway_server_create_surface (int width,
int height)
{
BroadwayShmSurfaceData *data;
cairo_surface_t *surface;
int res;
int fd;
data = g_new (BroadwayShmSurfaceData, 1);
data->data_size = width * height * sizeof (guint32);
fd = create_random_shm (data->name);
res = ftruncate (fd, data->data_size);
g_assert (res != -1);
data->data = mmap(0, data->data_size, PROT_READ|PROT_WRITE, MAP_SHARED, fd, 0);
(void) close(fd);
surface = cairo_image_surface_create_for_data ((guchar *)data->data,
CAIRO_FORMAT_RGB24, width, height, width * sizeof (guint32));
g_assert (surface != NULL);
cairo_surface_set_user_data (surface, &gdk_broadway_shm_cairo_key,
data, shm_data_destroy);
return surface;
}
void
_gdk_broadway_server_window_update (GdkBroadwayServer *server,
gint id,
cairo_surface_t *surface)
{
BroadwayRequestUpdate msg;
BroadwayShmSurfaceData *data;
data = cairo_surface_get_user_data (surface, &gdk_broadway_shm_cairo_key);
g_assert (data != NULL);
msg.id = id;
memcpy (msg.name, data->name, 34);
msg.width = cairo_image_surface_get_width (surface);
msg.height = cairo_image_surface_get_height (surface);
gdk_broadway_server_send_message (server, msg,
BROADWAY_REQUEST_UPDATE);
}
gboolean
_gdk_broadway_server_window_move_resize (GdkBroadwayServer *server,
gint id,
int x,
int y,
int width,
int height)
{
BroadwayRequestMoveResize msg;
msg.id = id;
msg.x = x;
msg.y = y;
msg.width = width;
msg.height = height;
gdk_broadway_server_send_message (server, msg,
BROADWAY_REQUEST_MOVE_RESIZE);
return TRUE;
}
GdkGrabStatus
_gdk_broadway_server_grab_pointer (GdkBroadwayServer *server,
gint id,
gboolean owner_events,
guint32 event_mask,
guint32 time_)
{
BroadwayRequestGrabPointer msg;
guint32 serial, status;
BroadwayReply *reply;
msg.id = id;
msg.owner_events = owner_events;
msg.event_mask = event_mask;
msg.time_ = time_;
serial = gdk_broadway_server_send_message (server, msg,
BROADWAY_REQUEST_GRAB_POINTER);
reply = gdk_broadway_server_wait_for_reply (server, serial);
g_assert (reply->base.type == BROADWAY_REPLY_GRAB_POINTER);
status = reply->grab_pointer.status;
g_free (reply);
return status;
}
guint32
_gdk_broadway_server_ungrab_pointer (GdkBroadwayServer *server,
guint32 time_)
{
BroadwayRequestUngrabPointer msg;
guint32 serial, status;
BroadwayReply *reply;
msg.time_ = time_;
serial = gdk_broadway_server_send_message (server, msg,
BROADWAY_REQUEST_UNGRAB_POINTER);
reply = gdk_broadway_server_wait_for_reply (server, serial);
g_assert (reply->base.type == BROADWAY_REPLY_UNGRAB_POINTER);
status = reply->ungrab_pointer.status;
g_free (reply);
return status;
}

View File

@ -594,7 +594,7 @@ _gdk_broadway_server_read_all_input_nonblocking (GdkBroadwayServer *server)
broadway_input_free (input);
if (res < 0)
{
g_print ("input error %s\n", error->message);
g_printerr ("input error %s\n", error->message);
g_error_free (error);
}
return;
@ -1172,7 +1172,7 @@ _gdk_broadway_server_get_last_seen_time (GdkBroadwayServer *server)
void
_gdk_broadway_server_query_mouse (GdkBroadwayServer *server,
gint32 *toplevel,
guint32 *toplevel,
gint32 *root_x,
gint32 *root_y,
guint32 *mask)
@ -1690,6 +1690,7 @@ _gdk_broadway_server_resync_windows (GdkBroadwayServer *server)
cairo_image_surface_get_stride (window->last_surface),
cairo_image_surface_get_data (window->last_surface));
}
broadway_output_surface_flush (server->output, window->id);
}
}

View File

@ -14,7 +14,6 @@ typedef struct _GdkBroadwayServerClass GdkBroadwayServerClass;
#define GDK_IS_BROADWAY_SERVER_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GDK_TYPE_BROADWAY_SERVER))
#define GDK_BROADWAY_SERVER_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), GDK_TYPE_BROADWAY_SERVER, GdkBroadwayServerClass))
GdkBroadwayServer *_gdk_broadway_server_new (int port,
GError **error);
gboolean _gdk_broadway_server_has_client (GdkBroadwayServer *server);
@ -25,9 +24,9 @@ guint32 _gdk_broadway_server_get_last_seen_time (GdkBroadwaySer
gboolean _gdk_broadway_server_lookahead_event (GdkBroadwayServer *server,
const char *types);
void _gdk_broadway_server_query_mouse (GdkBroadwayServer *server,
gint *toplevel,
gint *root_x,
gint *root_y,
guint32 *toplevel,
gint32 *root_x,
gint32 *root_y,
guint32 *mask);
GdkGrabStatus _gdk_broadway_server_grab_pointer (GdkBroadwayServer *server,
gint id,
@ -57,6 +56,8 @@ gboolean _gdk_broadway_server_window_translate (GdkBroadwaySer
cairo_region_t *area,
gint dx,
gint dy);
cairo_surface_t *_gdk_broadway_server_create_surface (int width,
int height);
void _gdk_broadway_server_window_update (GdkBroadwayServer *server,
gint id,
cairo_surface_t *surface);

View File

@ -159,7 +159,7 @@ _gdk_broadway_display_open (const gchar *display_name)
if (display_name != NULL)
port = strtol(display_name, NULL, 10);
if (port == 0)
port = 8080;
port = 1;
broadway_display->server = _gdk_broadway_server_new (port, NULL);
if (broadway_display->server == NULL)

View File

@ -241,9 +241,8 @@ _gdk_broadway_window_resize_surface (GdkWindow *window)
{
old = impl->surface;
impl->surface = cairo_image_surface_create (CAIRO_FORMAT_RGB24,
gdk_window_get_width (impl->wrapper),
gdk_window_get_height (impl->wrapper));
impl->surface = _gdk_broadway_server_create_surface (gdk_window_get_width (impl->wrapper),
gdk_window_get_height (impl->wrapper));
cairo_surface_destroy (old);
}
@ -281,7 +280,7 @@ gdk_window_broadway_ref_cairo_surface (GdkWindow *window)
/* Create actual backing store if missing */
if (!impl->surface)
impl->surface = cairo_image_surface_create (CAIRO_FORMAT_RGB24, w, h);
impl->surface = _gdk_broadway_server_create_surface (w, h);
/* Create a destroyable surface referencing the real one */
if (!impl->ref_surface)