* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
- * License along with this library; if not, write to the
- * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
- * Boston, MA 02111-1307, USA.
+ * License along with this library. If not, see <http://www.gnu.org/licenses/>.
*/
#include "config.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>
static void gdk_broadway_display_dispose (GObject *object);
static void gdk_broadway_display_finalize (GObject *object);
+#if 0
+#define DEBUG_WEBSOCKETS 1
+#endif
+
G_DEFINE_TYPE (GdkBroadwayDisplay, gdk_broadway_display, GDK_TYPE_DISPLAY)
static void
broadway_display = GDK_BROADWAY_DISPLAY (display);
broadway_display->event_source = _gdk_broadway_event_source_new (display);
- broadway_display->saved_serial = 1;
}
static void
g_list_free (list);
}
-typedef struct HttpRequest {
- GdkDisplay *display;
- GSocketConnection *connection;
- GDataInputStream *data;
- GString *request;
-} HttpRequest;
-
-static void
-http_request_free (HttpRequest *request)
-{
- g_object_unref (request->connection);
- g_object_unref (request->data);
- g_string_free (request->request, TRUE);
- g_free (request);
-}
-
-struct BroadwayInput {
- GdkDisplay *display;
- GSocketConnection *connection;
- GByteArray *buffer;
- GSource *source;
-};
-
-static void
-broadway_input_free (BroadwayInput *input)
-{
- g_object_unref (input->connection);
- g_byte_array_free (input->buffer, FALSE);
- g_source_destroy (input->source);
- g_free (input);
-}
-
-static void
-process_input_messages (GdkBroadwayDisplay *broadway_display)
-{
- BroadwayInputMsg *message;
-
- while (broadway_display->input_messages)
- {
- message = broadway_display->input_messages->data;
- broadway_display->input_messages =
- g_list_delete_link (broadway_display->input_messages,
- broadway_display->input_messages);
-
- _gdk_broadway_events_got_input (GDK_DISPLAY (broadway_display), message);
- g_free (message);
- }
-}
-
-static char *
-parse_pointer_data (char *p, BroadwayInputPointerMsg *data)
-{
- data->mouse_window_id = strtol (p, &p, 10);
- p++; /* Skip , */
- data->event_window_id = strtol (p, &p, 10);
- p++; /* Skip , */
- data->root_x = strtol (p, &p, 10);
- p++; /* Skip , */
- data->root_y = strtol (p, &p, 10);
- p++; /* Skip , */
- data->win_x = strtol (p, &p, 10);
- p++; /* Skip , */
- data->win_y = strtol (p, &p, 10);
- p++; /* Skip , */
- data->state = strtol (p, &p, 10);
-
- return p;
-}
-
-static void
-parse_input_message (BroadwayInput *input, const char *message)
-{
- GdkBroadwayDisplay *broadway_display;
- BroadwayInputMsg msg;
- char *p;
-
- broadway_display = GDK_BROADWAY_DISPLAY (input->display);
-
- p = (char *)message;
- msg.base.type = *p++;
- msg.base.serial = (guint32)strtol (p, &p, 10);
- p++; /* Skip , */
- msg.base.time = strtol(p, &p, 10);
- p++; /* Skip , */
-
- switch (msg.base.type) {
- case 'e': /* Enter */
- case 'l': /* Leave */
- p = parse_pointer_data (p, &msg.pointer);
- p++; /* Skip , */
- msg.crossing.mode = strtol(p, &p, 10);
- break;
-
- case 'm': /* Mouse move */
- p = parse_pointer_data (p, &msg.pointer);
- break;
-
- case 'b':
- case 'B':
- p = parse_pointer_data (p, &msg.pointer);
- p++; /* Skip , */
- msg.button.button = strtol(p, &p, 10);
- break;
-
- case 's':
- p = parse_pointer_data (p, &msg.pointer);
- p++; /* Skip , */
- msg.scroll.dir = strtol(p, &p, 10);
- break;
-
- case 'k':
- case 'K':
- msg.key.key = strtol(p, &p, 10);
- break;
-
- case 'g':
- case 'u':
- msg.grab_reply.res = strtol(p, &p, 10);
- break;
-
- case 'q':
- msg.query_reply.root_x = strtol(p, &p, 10);
- p++; /* Skip , */
- msg.query_reply.root_y = strtol(p, &p, 10);
- p++; /* Skip , */
- msg.query_reply.win_x = strtol(p, &p, 10);
- p++; /* Skip , */
- msg.query_reply.win_y = strtol(p, &p, 10);
- p++; /* Skip , */
- msg.query_reply.window_with_mouse = strtol(p, &p, 10);
-
- break;
- default:
- g_printerr ("Unknown input command %s\n", message);
- break;
- }
-
- broadway_display->input_messages = g_list_append (broadway_display->input_messages, g_memdup (&msg, sizeof (msg)));
-
-}
-
-static void
-parse_input (BroadwayInput *input)
-{
- GdkBroadwayDisplay *broadway_display;
- char *buf, *ptr;
- gsize len;
-
- broadway_display = GDK_BROADWAY_DISPLAY (input->display);
-
- buf = (char *)input->buffer->data;
- len = input->buffer->len;
-
- if (len == 0)
- return;
-
- if (buf[0] != 0)
- {
- broadway_display->input = NULL;
- broadway_input_free (input);
- return;
- }
-
- while ((ptr = memchr (buf, 0xff, len)) != NULL)
- {
- *ptr = 0;
- ptr++;
-
- parse_input_message (input, buf + 1);
-
- len -= ptr - buf;
- buf = ptr;
-
- if (len > 0 && buf[0] != 0)
- {
- broadway_display->input = NULL;
- broadway_input_free (input);
- break;
- }
- }
-
- g_byte_array_remove_range (input->buffer, 0, buf - (char *)input->buffer->data);
-}
-
-
-static gboolean
-process_input_idle_cb (GdkBroadwayDisplay *display)
-{
- display->process_input_idle = 0;
- process_input_messages (display);
- return FALSE;
-}
-
-static void
-queue_process_input_at_idle (GdkBroadwayDisplay *broadway_display)
-{
- if (broadway_display->process_input_idle == 0)
- broadway_display->process_input_idle =
- g_idle_add_full (GDK_PRIORITY_EVENTS, (GSourceFunc)process_input_idle_cb, broadway_display, NULL);
-}
-
-static void
-_gdk_broadway_display_read_all_input_nonblocking (GdkDisplay *display)
-{
- GdkBroadwayDisplay *broadway_display;
- GInputStream *in;
- gssize res;
- guint8 buffer[1024];
- GError *error;
- BroadwayInput *input;
-
- broadway_display = GDK_BROADWAY_DISPLAY (display);
- if (broadway_display->input == NULL)
- return;
-
- input = broadway_display->input;
-
- in = g_io_stream_get_input_stream (G_IO_STREAM (input->connection));
-
- error = NULL;
- res = g_pollable_input_stream_read_nonblocking (G_POLLABLE_INPUT_STREAM (in),
- buffer, sizeof (buffer), NULL, &error);
-
- if (res <= 0)
- {
- if (res < 0 &&
- g_error_matches (error, G_IO_ERROR, G_IO_ERROR_WOULD_BLOCK))
- {
- g_error_free (error);
- return;
- }
-
- broadway_display->input = NULL;
- broadway_input_free (input);
- if (res < 0)
- {
- g_print ("input error %s", error->message);
- g_error_free (error);
- }
- return;
- }
-
- g_byte_array_append (input->buffer, buffer, res);
-
- parse_input (input);
-}
-
-static gboolean
-input_data_cb (GObject *stream,
- BroadwayInput *input)
-{
- GdkBroadwayDisplay *broadway_display;
-
- broadway_display = GDK_BROADWAY_DISPLAY (input->display);
- _gdk_broadway_display_read_all_input_nonblocking (input->display);
-
- process_input_messages (broadway_display);
-
- return TRUE;
-}
-
-/* Note: This may be called while handling a message (i.e. sorta recursively) */
-BroadwayInputMsg *
-_gdk_broadway_display_block_for_input (GdkDisplay *display, char op,
- guint32 serial, gboolean remove_message)
-{
- GdkBroadwayDisplay *broadway_display;
- BroadwayInputMsg *message;
- gssize res;
- guint8 buffer[1024];
- BroadwayInput *input;
- GInputStream *in;
- GList *l;
-
- gdk_display_flush (display);
-
- broadway_display = GDK_BROADWAY_DISPLAY (display);
- if (broadway_display->input == NULL)
- return NULL;
-
- input = broadway_display->input;
-
- while (TRUE) {
- /* Check for existing reply in queue */
-
- for (l = broadway_display->input_messages; l != NULL; l = l->next)
- {
- message = l->data;
-
- if (message->base.type == op)
- {
- if (message->base.serial == serial)
- {
- if (remove_message)
- broadway_display->input_messages =
- g_list_delete_link (broadway_display->input_messages, l);
- return message;
- }
- }
- }
-
- /* Not found, read more, blocking */
-
- in = g_io_stream_get_input_stream (G_IO_STREAM (input->connection));
- res = g_input_stream_read (in, buffer, sizeof (buffer), NULL, NULL);
- if (res <= 0)
- return NULL;
- g_byte_array_append (input->buffer, buffer, res);
-
- parse_input (input);
-
- /* Since we're parsing input but not processing the resulting messages
- we might not get a readable callback on the stream, so queue an idle to
- process the messages */
- queue_process_input_at_idle (broadway_display);
- }
-}
-
-#include <unistd.h>
-#include <fcntl.h>
-static void
-set_fd_blocking (int fd)
-{
- glong arg;
-
- if ((arg = fcntl (fd, F_GETFL, NULL)) < 0)
- arg = 0;
-
- arg = arg & ~O_NONBLOCK;
-
- fcntl (fd, F_SETFL, arg);
-}
-
-static char *
-parse_line (char *line, char *key)
-{
- char *p;
-
- if (!g_str_has_prefix (line, key))
- return NULL;
- p = line + strlen (key);
- if (*p != ':')
- return NULL;
- p++;
- /* Skip optional initial space */
- if (*p == ' ')
- p++;
- return p;
-}
-static void
-send_error (HttpRequest *request,
- int error_code,
- const char *reason)
-{
- char *res;
-
- res = g_strdup_printf ("HTTP/1.0 %d %s\r\n\r\n"
- "<html><head><title>%d %s</title></head>"
- "<body>%s</body></html>",
- error_code, reason,
- error_code, reason,
- reason);
- /* TODO: This should really be async */
- g_output_stream_write_all (g_io_stream_get_output_stream (G_IO_STREAM (request->connection)),
- res, strlen (res), NULL, NULL, NULL);
- g_free (res);
- http_request_free (request);
-}
-
-static void
-start_input (HttpRequest *request)
-{
- char **lines;
- char *p;
- int num_key1, num_key2;
- guint64 key1, key2;
- int num_space;
- int i;
- guint8 challenge[16];
- char *res;
- gsize len;
- GChecksum *checksum;
- char *origin, *host;
- GdkBroadwayDisplay *broadway_display;
- BroadwayInput *input;
- const void *data_buffer;
- gsize data_buffer_size;
- GInputStream *in;
-
- broadway_display = GDK_BROADWAY_DISPLAY (request->display);
-
- if (broadway_display->input != NULL)
- {
- send_error (request, 409, "Input already handled");
- return;
- }
-
- lines = g_strsplit (request->request->str, "\n", 0);
-
- num_key1 = 0;
- num_key2 = 0;
- key1 = 0;
- key2 = 0;
- origin = NULL;
- host = NULL;
- for (i = 0; lines[i] != NULL; i++)
- {
- if ((p = parse_line (lines[i], "Sec-WebSocket-Key1")))
- {
- num_space = 0;
- while (*p != 0)
- {
- if (g_ascii_isdigit (*p))
- key1 = key1 * 10 + g_ascii_digit_value (*p);
- else if (*p == ' ')
- num_space++;
-
- p++;
- }
- key1 /= num_space;
- num_key1++;
- }
- else if ((p = parse_line (lines[i], "Sec-WebSocket-Key2")))
- {
- num_space = 0;
- while (*p != 0)
- {
- if (g_ascii_isdigit (*p))
- key2 = key2 * 10 + g_ascii_digit_value (*p);
- else if (*p == ' ')
- num_space++;
-
- p++;
- }
- key2 /= num_space;
- num_key2++;
- }
- else if ((p = parse_line (lines[i], "Origin")))
- {
- origin = p;
- }
- else if ((p = parse_line (lines[i], "Host")))
- {
- host = p;
- }
- }
-
- if (num_key1 != 1 || num_key2 != 1 || origin == NULL || host == NULL)
- {
- g_strfreev (lines);
- send_error (request, 400, "Bad websocket request");
- return;
- }
-
- challenge[0] = (key1 >> 24) & 0xff;
- challenge[1] = (key1 >> 16) & 0xff;
- challenge[2] = (key1 >> 8) & 0xff;
- challenge[3] = (key1 >> 0) & 0xff;
- challenge[4] = (key2 >> 24) & 0xff;
- challenge[5] = (key2 >> 16) & 0xff;
- challenge[6] = (key2 >> 8) & 0xff;
- challenge[7] = (key2 >> 0) & 0xff;
-
- if (!g_input_stream_read_all (G_INPUT_STREAM (request->data), challenge+8, 8, NULL, NULL, NULL))
- {
- g_strfreev (lines);
- send_error (request, 400, "Bad websocket request");
- return;
- }
-
- checksum = g_checksum_new (G_CHECKSUM_MD5);
- g_checksum_update (checksum, challenge, 16);
- len = 16;
- g_checksum_get_digest (checksum, challenge, &len);
- g_checksum_free (checksum);
-
- res = g_strdup_printf ("HTTP/1.1 101 WebSocket Protocol Handshake\r\n"
- "Upgrade: WebSocket\r\n"
- "Connection: Upgrade\r\n"
- "Sec-WebSocket-Origin: %s\r\n"
- "Sec-WebSocket-Location: ws://%s/input\r\n"
- "Sec-WebSocket-Protocol: broadway\r\n"
- "\r\n",
- origin, host);
-
- g_output_stream_write_all (g_io_stream_get_output_stream (G_IO_STREAM (request->connection)),
- res, strlen (res), NULL, NULL, NULL);
- g_free (res);
- g_output_stream_write_all (g_io_stream_get_output_stream (G_IO_STREAM (request->connection)),
- challenge, 16, NULL, NULL, NULL);
-
- input = g_new0 (BroadwayInput, 1);
-
- input->display = request->display;
- input->connection = g_object_ref (request->connection);
-
- data_buffer = g_buffered_input_stream_peek_buffer (G_BUFFERED_INPUT_STREAM (request->data), &data_buffer_size);
- input->buffer = g_byte_array_sized_new (data_buffer_size);
- g_byte_array_append (input->buffer, data_buffer, data_buffer_size);
-
- broadway_display->input = input;
-
- /* This will free and close the data input stream, but we got all the buffered content already */
- http_request_free (request);
-
- in = g_io_stream_get_input_stream (G_IO_STREAM (input->connection));
- input->source = g_pollable_input_stream_create_source (G_POLLABLE_INPUT_STREAM (in), NULL);
- g_source_set_callback (input->source, (GSourceFunc)input_data_cb, input, NULL);
- g_source_attach (input->source, NULL);
-
- /* Process any data in the pipe already */
- parse_input (input);
- process_input_messages (broadway_display);
-
- g_strfreev (lines);
-}
-
-static void
-start_output (HttpRequest *request)
-{
- GSocket *socket;
- GdkBroadwayDisplay *broadway_display;
- int fd;
-
- socket = g_socket_connection_get_socket (request->connection);
-
- broadway_display = GDK_BROADWAY_DISPLAY (request->display);
- fd = g_socket_get_fd (socket);
- set_fd_blocking (fd);
- /* We dup this because otherwise it'll be closed with the request SocketConnection */
-
- if (broadway_display->output)
- {
- broadway_display->saved_serial = broadway_output_get_next_serial (broadway_display->output);
- broadway_output_free (broadway_display->output);
- }
-
- broadway_display->output = broadway_output_new (dup(fd), broadway_display->saved_serial);
- _gdk_broadway_resync_windows ();
-
- if (broadway_display->pointer_grab_window)
- broadway_output_grab_pointer (broadway_display->output,
- GDK_WINDOW_IMPL_BROADWAY (broadway_display->pointer_grab_window->impl)->id,
- broadway_display->pointer_grab_owner_events);
-
- http_request_free (request);
-}
-
-static void
-send_data (HttpRequest *request,
- const char *mimetype,
- const char *data, gsize len)
-{
- char *res;
-
- res = g_strdup_printf ("HTTP/1.0 200 OK\r\n"
- "Content-Type: %s\r\n"
- "Content-Length: %"G_GSIZE_FORMAT"\r\n"
- "\r\n",
- mimetype, len);
- /* TODO: This should really be async */
- g_output_stream_write_all (g_io_stream_get_output_stream (G_IO_STREAM (request->connection)),
- res, strlen (res), NULL, NULL, NULL);
- g_free (res);
- g_output_stream_write_all (g_io_stream_get_output_stream (G_IO_STREAM (request->connection)),
- data, len, NULL, NULL, NULL);
- http_request_free (request);
-}
-
-#include "clienthtml.h"
-#include "broadwayjs.h"
-
-static void
-got_request (HttpRequest *request)
-{
- char *start, *escaped, *tmp, *version;
-
- if (!g_str_has_prefix (request->request->str, "GET "))
- {
- send_error (request, 501, "Only GET implemented");
- return;
- }
-
- start = request->request->str + 4; /* Skip "GET " */
-
- while (*start == ' ')
- start++;
-
- for (tmp = start; *tmp != 0 && *tmp != ' ' && *tmp != '\n'; tmp++)
- ;
- escaped = g_strndup (start, tmp - start);
- version = NULL;
- if (*tmp == ' ')
- {
- start = tmp;
- while (*start == ' ')
- start++;
- for (tmp = start; *tmp != 0 && *tmp != ' ' && *tmp != '\n'; tmp++)
- ;
- version = g_strndup (start, tmp - start);
- }
-
- if (strcmp (escaped, "/client.html") == 0 || strcmp (escaped, "/") == 0)
- send_data (request, "text/html", client_html, G_N_ELEMENTS(client_html) - 1);
- else if (strcmp (escaped, "/broadway.js") == 0)
- send_data (request, "text/javascript", broadway_js, G_N_ELEMENTS(broadway_js) - 1);
- else if (strcmp (escaped, "/output") == 0)
- start_output (request);
- else if (strcmp (escaped, "/input") == 0)
- start_input (request);
- else
- send_error (request, 404, "File not found");
-}
-
-static void
-got_http_request_line (GInputStream *stream,
- GAsyncResult *result,
- HttpRequest *request)
-{
- char *line;
-
- line = g_data_input_stream_read_line_finish (G_DATA_INPUT_STREAM (stream), result, NULL, NULL);
- if (line == NULL)
- {
- http_request_free (request);
- g_printerr ("Error reading request lines\n");
- return;
- }
- if (strlen (line) == 0)
- got_request (request);
- else
- {
- /* Protect against overflow in request length */
- if (request->request->len > 1024 * 5)
- {
- send_error (request, 400, "Request to long");
- }
- else
- {
- g_string_append_printf (request->request, "%s\n", line);
- g_data_input_stream_read_line_async (request->data, 0, NULL,
- (GAsyncReadyCallback)got_http_request_line, request);
- }
- }
- g_free (line);
-}
-
-static gboolean
-handle_incoming_connection (GSocketService *service,
- GSocketConnection *connection,
- GObject *source_object)
-{
- HttpRequest *request;
- GInputStream *in;
-
- request = g_new0 (HttpRequest, 1);
- request->connection = g_object_ref (connection);
- request->display = (GdkDisplay *) source_object;
- request->request = g_string_new ("");
-
- in = g_io_stream_get_input_stream (G_IO_STREAM (connection));
-
- request->data = g_data_input_stream_new (in);
- g_filter_input_stream_set_close_base_stream (G_FILTER_INPUT_STREAM (request->data), FALSE);
- /* Be tolerant of input */
- g_data_input_stream_set_newline_type (request->data, G_DATA_STREAM_NEWLINE_TYPE_ANY);
-
- g_data_input_stream_read_line_async (request->data, 0, NULL,
- (GAsyncReadyCallback)got_http_request_line, request);
- return TRUE;
-}
-
GdkDisplay *
_gdk_broadway_display_open (const gchar *display_name)
{
GdkDisplay *display;
GdkBroadwayDisplay *broadway_display;
- GError *error;
int port;
display = g_object_new (GDK_TYPE_BROADWAY_DISPLAY, NULL);
broadway_display = GDK_BROADWAY_DISPLAY (display);
- broadway_display->output = NULL;
-
/* initialize the display's screens */
broadway_display->screens = g_new (GdkScreen *, 1);
broadway_display->screens[0] = _gdk_broadway_screen_new (display, 0);
port = 0;
if (display_name != NULL)
- port = strtol(display_name, NULL, 10);
+ {
+ if (*display_name == ':')
+ display_name++;
+ port = strtol(display_name, NULL, 10);
+ }
if (port == 0)
- port = 8080;
+ port = 1;
- broadway_display->service = g_socket_service_new ();
- if (!g_socket_listener_add_inet_port (G_SOCKET_LISTENER (broadway_display->service),
- port,
- G_OBJECT (display),
- &error))
+ broadway_display->server = _gdk_broadway_server_new (port, NULL);
+ if (broadway_display->server == NULL)
{
- g_printerr ("Unable to listen to port %d: %s\n", 8080, error->message);
- g_error_free (error);
+ g_printerr ("Unable to init server\n");
return NULL;
}
- g_signal_connect (broadway_display->service, "incoming", G_CALLBACK (handle_incoming_connection), NULL);
g_signal_emit_by_name (display, "opened");
g_signal_emit_by_name (gdk_display_manager_get (), "display-opened", display);
return display;
}
-
-static G_CONST_RETURN gchar *
+static const gchar *
gdk_broadway_display_get_name (GdkDisplay *display)
{
g_return_val_if_fail (GDK_IS_DISPLAY (display), NULL);
static void
gdk_broadway_display_sync (GdkDisplay *display)
{
- g_return_if_fail (GDK_IS_DISPLAY (display));
+ GdkBroadwayDisplay *broadway_display = GDK_BROADWAY_DISPLAY (display);
+
+ g_return_if_fail (GDK_IS_BROADWAY_DISPLAY (display));
+ _gdk_broadway_server_sync (broadway_display->server);
}
static void
{
GdkBroadwayDisplay *broadway_display = GDK_BROADWAY_DISPLAY (display);
- g_return_if_fail (GDK_IS_DISPLAY (display));
+ g_return_if_fail (GDK_IS_BROADWAY_DISPLAY (display));
- if (broadway_display->output &&
- !broadway_output_flush (broadway_display->output))
- {
- broadway_display->saved_serial = broadway_output_get_next_serial (broadway_display->output);
- broadway_output_free (broadway_display->output);
- broadway_display->output = NULL;
- }
+ _gdk_broadway_server_flush (broadway_display->server);
}
static gboolean
_gdk_broadway_cursor_display_finalize (GDK_DISPLAY_OBJECT(broadway_display));
- /* Atom Hashtable */
- g_hash_table_destroy (broadway_display->atom_from_virtual);
- g_hash_table_destroy (broadway_display->atom_to_virtual);
-
/* input GdkDevice list */
- g_list_foreach (broadway_display->input_devices, (GFunc) g_object_unref, NULL);
- g_list_free (broadway_display->input_devices);
+ g_list_free_full (broadway_display->input_devices, g_object_unref);
/* Free all GdkScreens */
g_object_unref (broadway_display->screens[0]);
g_free (broadway_display->screens);
{
GdkBroadwayDisplay *broadway_display;
broadway_display = GDK_BROADWAY_DISPLAY (display);
- if (broadway_display->output)
- return broadway_output_get_next_serial (broadway_display->output);
- return broadway_display->saved_serial;
-}
+ return _gdk_broadway_server_get_next_serial (broadway_display->server);
+}
static void
gdk_broadway_display_event_data_copy (GdkDisplay *display,
projects / ~andy / gtk / blobdiff