/* GDK - The GIMP Drawing Kit * gdkdisplay-broadway.c * * Copyright 2001 Sun Microsystems Inc. * Copyright (C) 2004 Nokia Corporation * * Erwann Chenede * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Library General Public * License as published by the Free Software Foundation; either * version 2 of the License, or (at your option) any later version. * * This library is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * 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. */ #include "config.h" #include "gdkdisplay-broadway.h" #include "gdkdisplay.h" #include "gdkeventsource.h" #include "gdkscreen.h" #include "gdkscreen-broadway.h" #include "gdkinternals.h" #include "gdkdeviceprivate.h" #include "gdkdevicemanager-broadway.h" #include #include #include #include #include #include #include #include #include #include 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 gdk_broadway_display_init (GdkBroadwayDisplay *display) { _gdk_broadway_display_manager_add_display (gdk_display_manager_get (), GDK_DISPLAY_OBJECT (display)); display->id_ht = g_hash_table_new (NULL, NULL); } static void gdk_event_init (GdkDisplay *display) { GdkBroadwayDisplay *broadway_display; broadway_display = GDK_BROADWAY_DISPLAY (display); broadway_display->event_source = _gdk_broadway_event_source_new (display); broadway_display->saved_serial = 1; broadway_display->last_seen_time = 1; } static void gdk_broadway_display_init_input (GdkDisplay *display) { GdkBroadwayDisplay *broadway_display; GdkDeviceManager *device_manager; GdkDevice *device; GList *list, *l; broadway_display = GDK_BROADWAY_DISPLAY (display); device_manager = gdk_display_get_device_manager (display); /* For backwards compatibility, just add * floating devices that are not keyboards. */ list = gdk_device_manager_list_devices (device_manager, GDK_DEVICE_TYPE_FLOATING); for (l = list; l; l = l->next) { device = l->data; if (gdk_device_get_source (device) == GDK_SOURCE_KEYBOARD) continue; broadway_display->input_devices = g_list_prepend (broadway_display->input_devices, g_object_ref (l->data)); } g_list_free (list); /* Now set "core" pointer to the first * master device that is a pointer. */ list = gdk_device_manager_list_devices (device_manager, GDK_DEVICE_TYPE_MASTER); for (l = list; l; l = l->next) { device = list->data; if (gdk_device_get_source (device) != GDK_SOURCE_MOUSE) continue; display->core_pointer = device; break; } /* Add the core pointer to the devices list */ broadway_display->input_devices = g_list_prepend (broadway_display->input_devices, g_object_ref (display->core_pointer)); g_list_free (list); } typedef struct HttpRequest { GdkDisplay *display; GSocketConnection *connection; GDataInputStream *data; GString *request; } HttpRequest; static void start_output (HttpRequest *request, gboolean proto_v7_plus); 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; gboolean seen_time; gint64 time_base; gboolean proto_v7_plus; }; 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 update_future_pointer_info (GdkBroadwayDisplay *broadway_display, BroadwayInputPointerMsg *data) { broadway_display->future_root_x = data->root_x; broadway_display->future_root_y = data->root_y; broadway_display->future_state = data->state; broadway_display->future_mouse_in_toplevel = data->mouse_window_id; } static void parse_input_message (BroadwayInput *input, const char *message) { GdkBroadwayDisplay *broadway_display; BroadwayInputMsg msg; char *p; gint64 time_; broadway_display = GDK_BROADWAY_DISPLAY (input->display); p = (char *)message; msg.base.type = *p++; msg.base.serial = (guint32)strtol (p, &p, 10); p++; /* Skip , */ time_ = strtol(p, &p, 10); p++; /* Skip , */ if (time_ == 0) { time_ = broadway_display->last_seen_time; } else { if (!input->seen_time) { input->seen_time = TRUE; /* Calculate time base so that any following times are normalized to start 5 seconds after last_seen_time, to avoid issues that could appear when a long hiatus due to a reconnect seems to be instant */ input->time_base = time_ - (broadway_display->last_seen_time + 5000); } time_ = time_ - input->time_base; } broadway_display->last_seen_time = time_; msg.base.time = time_; switch (msg.base.type) { case 'e': /* Enter */ case 'l': /* Leave */ p = parse_pointer_data (p, &msg.pointer); update_future_pointer_info (broadway_display, &msg.pointer); p++; /* Skip , */ msg.crossing.mode = strtol(p, &p, 10); break; case 'm': /* Mouse move */ p = parse_pointer_data (p, &msg.pointer); update_future_pointer_info (broadway_display, &msg.pointer); break; case 'b': case 'B': p = parse_pointer_data (p, &msg.pointer); update_future_pointer_info (broadway_display, &msg.pointer); p++; /* Skip , */ msg.button.button = strtol(p, &p, 10); break; case 's': p = parse_pointer_data (p, &msg.pointer); update_future_pointer_info (broadway_display, &msg.pointer); p++; /* Skip , */ msg.scroll.dir = strtol(p, &p, 10); break; case 'k': case 'K': msg.key.key = strtol(p, &p, 10); p++; /* Skip , */ msg.key.state = strtol(p, &p, 10); break; case 'g': case 'u': msg.grab_reply.res = strtol(p, &p, 10); break; case 'w': msg.configure_notify.id = strtol(p, &p, 10); p++; /* Skip , */ msg.configure_notify.x = strtol (p, &p, 10); p++; /* Skip , */ msg.configure_notify.y = strtol (p, &p, 10); p++; /* Skip , */ msg.configure_notify.width = strtol (p, &p, 10); p++; /* Skip , */ msg.configure_notify.height = strtol (p, &p, 10); break; case 'W': msg.delete_notify.id = strtol(p, &p, 10); break; case 'd': msg.screen_resize_notify.width = strtol (p, &p, 10); p++; /* Skip , */ msg.screen_resize_notify.height = 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 inline void hex_dump (guchar *data, gsize len) { #ifdef DEBUG_WEBSOCKETS gsize i, j; for (j = 0; j < len + 15; j += 16) { fprintf (stderr, "0x%.4x ", j); for (i = 0; i < 16; i++) { if ((j + i) < len) fprintf (stderr, "%.2x ", data[j+i]); else fprintf (stderr, " "); if (i == 8) fprintf (stderr, " "); } fprintf (stderr, " | "); for (i = 0; i < 16; i++) if ((j + i) < len && g_ascii_isalnum(data[j+i])) fprintf (stderr, "%c", data[j+i]); else fprintf (stderr, "."); fprintf (stderr, "\n"); } #endif } static void parse_input (BroadwayInput *input) { GdkBroadwayDisplay *broadway_display; broadway_display = GDK_BROADWAY_DISPLAY (input->display); if (!input->buffer->len) return; if (input->proto_v7_plus) { hex_dump (input->buffer->data, input->buffer->len); while (input->buffer->len > 2) { gsize len, payload_len; BroadwayWSOpCode code; gboolean is_mask, fin; guchar *buf, *data; buf = input->buffer->data; len = input->buffer->len; #ifdef DEBUG_WEBSOCKETS g_print ("Parse input first byte 0x%2x 0x%2x\n", buf[0], buf[1]); #endif fin = buf[0] & 0x80; code = buf[0] & 0x0f; payload_len = buf[1] & 0x7f; is_mask = buf[1] & 0x80; data = buf + 2; if (payload_len > 125) { if (len < 4) return; payload_len = GUINT16_FROM_BE( *(guint16 *) data ); data += 2; } else if (payload_len > 126) { if (len < 10) return; payload_len = GUINT64_FROM_BE( *(guint64 *) data ); data += 8; } if (data - buf + payload_len > len) return; /* wait to accumulate more */ if (is_mask) { gsize i; for (i = 0; i < payload_len; i++) data[i + 4] ^= data[i%4]; data += 4; } switch (code) { case BROADWAY_WS_CNX_CLOSE: break; /* hang around anyway */ case BROADWAY_WS_TEXT: if (!fin) { #ifdef DEBUG_WEBSOCKETS g_warning ("can't yet accept fragmented input"); #endif } else parse_input_message (input, (char *)data); break; case BROADWAY_WS_CNX_PING: broadway_output_pong (broadway_display->output); break; case BROADWAY_WS_CNX_PONG: break; /* we never send pings, but tolerate pongs */ case BROADWAY_WS_BINARY: case BROADWAY_WS_CONTINUATION: default: { g_warning ("fragmented or unknown input code 0x%2x with fin set", code); break; } } g_byte_array_remove_range (input->buffer, 0, data - buf + payload_len); } } else /* old style protocol */ { char *buf, *ptr; gsize len; buf = (char *)input->buffer->data; len = input->buffer->len; 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\n", error->message); g_error_free (error); } return; } g_byte_array_append (input->buffer, buffer, res); parse_input (input); } void _gdk_broadway_display_consume_all_input (GdkDisplay *display) { GdkBroadwayDisplay *broadway_display; broadway_display = GDK_BROADWAY_DISPLAY (display); _gdk_broadway_display_read_all_input_nonblocking (display); /* 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); } 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); } } 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" "%d %s" "%s", 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); } /* magic from: http://tools.ietf.org/html/draft-ietf-hybi-thewebsocketprotocol-17 */ #define SEC_WEB_SOCKET_KEY_MAGIC "258EAFA5-E914-47DA-95CA-C5AB0DC85B11" /* 'x3JJHMbDL1EzLkh9GBhXDw==' generates 'HSmrc0sMlYUkAGmm5OPpG2HaGWk=' */ static gchar * generate_handshake_response_wsietf_v7 (const gchar *key) { gsize digest_len = 20; guchar digest[digest_len]; GChecksum *checksum; checksum = g_checksum_new (G_CHECKSUM_SHA1); if (!checksum) return NULL; g_checksum_update (checksum, (guchar *)key, -1); g_checksum_update (checksum, (guchar *)SEC_WEB_SOCKET_KEY_MAGIC, -1); g_checksum_get_digest (checksum, digest, &digest_len); g_checksum_free (checksum); g_assert (digest_len == 20); return g_base64_encode (digest, digest_len); } 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; char *key_v7; gboolean proto_v7_plus; broadway_display = GDK_BROADWAY_DISPLAY (request->display); if (broadway_display->input != NULL) { send_error (request, 409, "Input already handled"); return; } #ifdef DEBUG_WEBSOCKETS g_print ("incoming request:\n%s\n", request->request->str); #endif lines = g_strsplit (request->request->str, "\n", 0); num_key1 = 0; num_key2 = 0; key1 = 0; key2 = 0; key_v7 = NULL; 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], "Sec-WebSocket-Key"))) { key_v7 = p; } else if ((p = parse_line (lines[i], "Origin"))) { origin = p; } else if ((p = parse_line (lines[i], "Host"))) { host = p; } else if ((p = parse_line (lines[i], "Sec-WebSocket-Origin"))) { origin = p; } } if (origin == NULL || host == NULL) { g_strfreev (lines); send_error (request, 400, "Bad websocket request"); return; } if (key_v7 != NULL) { char* accept = generate_handshake_response_wsietf_v7 (key_v7); res = g_strdup_printf ("HTTP/1.1 101 Switching Protocols\r\n" "Upgrade: websocket\r\n" "Connection: Upgrade\r\n" "Sec-WebSocket-Accept: %s\r\n" "Sec-WebSocket-Origin: %s\r\n" "Sec-WebSocket-Location: ws://%s/socket\r\n" "Sec-WebSocket-Protocol: broadway\r\n" "\r\n", accept, origin, host); g_free (accept); #ifdef DEBUG_WEBSOCKETS g_print ("v7 proto response:\n%s", res); #endif 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); proto_v7_plus = TRUE; } else { if (num_key1 != 1 || num_key2 != 1) { 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/socket\r\n" "Sec-WebSocket-Protocol: broadway\r\n" "\r\n", origin, host); #ifdef DEBUG_WEBSOCKETS g_print ("legacy response:\n%s", res); #endif 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); proto_v7_plus = FALSE; } input = g_new0 (BroadwayInput, 1); input->display = request->display; input->connection = g_object_ref (request->connection); input->proto_v7_plus = proto_v7_plus; 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; start_output (request, proto_v7_plus); /* 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, gboolean proto_v7_plus) { GSocket *socket; GdkBroadwayDisplay *broadway_display; int flag = 1; socket = g_socket_connection_get_socket (request->connection); setsockopt(g_socket_get_fd (socket), IPPROTO_TCP, TCP_NODELAY, (char *) &flag, sizeof(int)); broadway_display = GDK_BROADWAY_DISPLAY (request->display); 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 (g_io_stream_get_output_stream (G_IO_STREAM (request->connection)), broadway_display->saved_serial, proto_v7_plus); _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); } 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, *query; 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); } query = strchr (escaped, '?'); if (query) *query = 0; 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, "/socket") == 0) start_input (request); else send_error (request, 404, "File not found"); g_free (escaped); g_free (version); } 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); /* We need to initialize events after we have the screen * structures in places */ _gdk_broadway_screen_events_init (broadway_display->screens[0]); /*set the default screen */ broadway_display->default_screen = broadway_display->screens[0]; display->device_manager = _gdk_broadway_device_manager_new (display); gdk_event_init (display); gdk_broadway_display_init_input (display); _gdk_broadway_display_init_dnd (display); _gdk_broadway_screen_setup (broadway_display->screens[0]); if (display_name == NULL) display_name = g_getenv ("BROADWAY_DISPLAY"); port = 0; if (display_name != NULL) port = strtol(display_name, NULL, 10); if (port == 0) port = 8080; 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)) { g_printerr ("Unable to listen to port %d: %s\n", 8080, error->message); g_error_free (error); 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 const gchar * gdk_broadway_display_get_name (GdkDisplay *display) { g_return_val_if_fail (GDK_IS_DISPLAY (display), NULL); return (gchar *) "Broadway"; } static gint gdk_broadway_display_get_n_screens (GdkDisplay *display) { g_return_val_if_fail (GDK_IS_DISPLAY (display), 0); return 1; } static GdkScreen * gdk_broadway_display_get_screen (GdkDisplay *display, gint screen_num) { g_return_val_if_fail (GDK_IS_DISPLAY (display), NULL); g_return_val_if_fail (screen_num == 0, NULL); return GDK_BROADWAY_DISPLAY (display)->screens[screen_num]; } static GdkScreen * gdk_broadway_display_get_default_screen (GdkDisplay *display) { g_return_val_if_fail (GDK_IS_DISPLAY (display), NULL); return GDK_BROADWAY_DISPLAY (display)->default_screen; } static void gdk_broadway_display_beep (GdkDisplay *display) { g_return_if_fail (GDK_IS_DISPLAY (display)); } static void gdk_broadway_display_sync (GdkDisplay *display) { g_return_if_fail (GDK_IS_DISPLAY (display)); } static void gdk_broadway_display_flush (GdkDisplay *display) { GdkBroadwayDisplay *broadway_display = GDK_BROADWAY_DISPLAY (display); g_return_if_fail (GDK_IS_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; } } static gboolean gdk_broadway_display_has_pending (GdkDisplay *display) { return FALSE; } static GdkWindow * gdk_broadway_display_get_default_group (GdkDisplay *display) { g_return_val_if_fail (GDK_IS_DISPLAY (display), NULL); return NULL; } static void gdk_broadway_display_dispose (GObject *object) { GdkBroadwayDisplay *broadway_display = GDK_BROADWAY_DISPLAY (object); _gdk_broadway_display_manager_remove_display (gdk_display_manager_get (), GDK_DISPLAY_OBJECT (object)); g_list_foreach (broadway_display->input_devices, (GFunc) g_object_run_dispose, NULL); _gdk_screen_close (broadway_display->screens[0]); if (broadway_display->event_source) { g_source_destroy (broadway_display->event_source); g_source_unref (broadway_display->event_source); broadway_display->event_source = NULL; } G_OBJECT_CLASS (gdk_broadway_display_parent_class)->dispose (object); } static void gdk_broadway_display_finalize (GObject *object) { GdkBroadwayDisplay *broadway_display = GDK_BROADWAY_DISPLAY (object); /* Keymap */ if (broadway_display->keymap) g_object_unref (broadway_display->keymap); _gdk_broadway_cursor_display_finalize (GDK_DISPLAY_OBJECT(broadway_display)); /* input GdkDevice list */ 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); G_OBJECT_CLASS (gdk_broadway_display_parent_class)->finalize (object); } void _gdk_broadway_display_make_default (GdkDisplay *display) { } static void gdk_broadway_display_notify_startup_complete (GdkDisplay *display, const gchar *startup_id) { } static gboolean gdk_broadway_display_supports_selection_notification (GdkDisplay *display) { return FALSE; } static gboolean gdk_broadway_display_request_selection_notification (GdkDisplay *display, GdkAtom selection) { return FALSE; } static gboolean gdk_broadway_display_supports_clipboard_persistence (GdkDisplay *display) { return FALSE; } static void gdk_broadway_display_store_clipboard (GdkDisplay *display, GdkWindow *clipboard_window, guint32 time_, const GdkAtom *targets, gint n_targets) { } static gboolean gdk_broadway_display_supports_shapes (GdkDisplay *display) { return FALSE; } static gboolean gdk_broadway_display_supports_input_shapes (GdkDisplay *display) { return FALSE; } static gboolean gdk_broadway_display_supports_composite (GdkDisplay *display) { return FALSE; } static GList * gdk_broadway_display_list_devices (GdkDisplay *display) { g_return_val_if_fail (GDK_IS_DISPLAY (display), NULL); return GDK_BROADWAY_DISPLAY (display)->input_devices; } static gulong gdk_broadway_display_get_next_serial (GdkDisplay *display) { 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; } static void gdk_broadway_display_event_data_copy (GdkDisplay *display, const GdkEvent *src, GdkEvent *dst) { } static void gdk_broadway_display_event_data_free (GdkDisplay *display, GdkEvent *event) { } static void gdk_broadway_display_class_init (GdkBroadwayDisplayClass * class) { GObjectClass *object_class = G_OBJECT_CLASS (class); GdkDisplayClass *display_class = GDK_DISPLAY_CLASS (class); object_class->dispose = gdk_broadway_display_dispose; object_class->finalize = gdk_broadway_display_finalize; display_class->window_type = GDK_TYPE_BROADWAY_WINDOW; display_class->get_name = gdk_broadway_display_get_name; display_class->get_n_screens = gdk_broadway_display_get_n_screens; display_class->get_screen = gdk_broadway_display_get_screen; display_class->get_default_screen = gdk_broadway_display_get_default_screen; display_class->beep = gdk_broadway_display_beep; display_class->sync = gdk_broadway_display_sync; display_class->flush = gdk_broadway_display_flush; display_class->has_pending = gdk_broadway_display_has_pending; display_class->queue_events = _gdk_broadway_display_queue_events; display_class->get_default_group = gdk_broadway_display_get_default_group; display_class->supports_selection_notification = gdk_broadway_display_supports_selection_notification; display_class->request_selection_notification = gdk_broadway_display_request_selection_notification; display_class->supports_clipboard_persistence = gdk_broadway_display_supports_clipboard_persistence; display_class->store_clipboard = gdk_broadway_display_store_clipboard; display_class->supports_shapes = gdk_broadway_display_supports_shapes; display_class->supports_input_shapes = gdk_broadway_display_supports_input_shapes; display_class->supports_composite = gdk_broadway_display_supports_composite; display_class->list_devices = gdk_broadway_display_list_devices; display_class->get_cursor_for_type = _gdk_broadway_display_get_cursor_for_type; display_class->get_cursor_for_name = _gdk_broadway_display_get_cursor_for_name; display_class->get_cursor_for_pixbuf = _gdk_broadway_display_get_cursor_for_pixbuf; display_class->get_default_cursor_size = _gdk_broadway_display_get_default_cursor_size; display_class->get_maximal_cursor_size = _gdk_broadway_display_get_maximal_cursor_size; display_class->supports_cursor_alpha = _gdk_broadway_display_supports_cursor_alpha; display_class->supports_cursor_color = _gdk_broadway_display_supports_cursor_color; display_class->before_process_all_updates = _gdk_broadway_display_before_process_all_updates; display_class->after_process_all_updates = _gdk_broadway_display_after_process_all_updates; display_class->get_next_serial = gdk_broadway_display_get_next_serial; display_class->notify_startup_complete = gdk_broadway_display_notify_startup_complete; display_class->event_data_copy = gdk_broadway_display_event_data_copy; display_class->event_data_free = gdk_broadway_display_event_data_free; display_class->create_window_impl = _gdk_broadway_display_create_window_impl; display_class->get_keymap = _gdk_broadway_display_get_keymap; display_class->get_selection_owner = _gdk_broadway_display_get_selection_owner; display_class->set_selection_owner = _gdk_broadway_display_set_selection_owner; display_class->send_selection_notify = _gdk_broadway_display_send_selection_notify; display_class->get_selection_property = _gdk_broadway_display_get_selection_property; display_class->convert_selection = _gdk_broadway_display_convert_selection; display_class->text_property_to_utf8_list = _gdk_broadway_display_text_property_to_utf8_list; display_class->utf8_to_string_target = _gdk_broadway_display_utf8_to_string_target; }