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broadway: Use a binary protocol to send to the server

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This makes the protocol easier to inspect over the wire and makes all
commands fixed-length.
This commit is contained in:
Jasper St. Pierre 2013-09-26 12:21:08 -04:00
parent eb1ab0dac2
commit 0d0ff40d2f
2 changed files with 46 additions and 53 deletions
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85
gdk/broadway/broadway-server.c
View File

@ -12,6 +12,8 @@
#include <stdlib.h>
#include <string.h>
#include <errno.h>
#include <endian.h>
#ifdef HAVE_UNISTD_H
#include <unistd.h>
#elif defined (G_OS_WIN32)
@ -343,22 +345,16 @@ fake_configure_notify (BroadwayServer *server,
process_input_message (server, &ev);
}
static char *
parse_pointer_data (char *p, BroadwayInputPointerMsg *data)
static guint32 *
parse_pointer_data (guint32 *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);
data->mouse_window_id = be32toh (*p++);
data->event_window_id = be32toh (*p++);
data->root_x = be32toh (*p++);
data->root_y = be32toh (*p++);
data->win_x = be32toh (*p++);
data->win_y = be32toh (*p++);
data->state = be32toh (*p++);
return p;
}
@ -377,17 +373,16 @@ parse_input_message (BroadwayInput *input, const char *message)
{
BroadwayServer *server = input->server;
BroadwayInputMsg msg;
char *p;
guint32 *p;
gint64 time_;
memset (&msg, 0, sizeof (msg));
p = (char *)message;
msg.base.type = *p++;
msg.base.serial = (guint32)strtol (p, &p, 10);
p++; /* Skip , */
time_ = strtol(p, &p, 10);
p++; /* Skip , */
p = (guint32 *) message;
msg.base.type = be32toh (*p++);
msg.base.serial = be32toh (*p++);
time_ = be32toh (*p++);
if (time_ == 0) {
time_ = server->last_seen_time;
@ -411,8 +406,7 @@ parse_input_message (BroadwayInput *input, const char *message)
case BROADWAY_EVENT_LEAVE:
p = parse_pointer_data (p, &msg.pointer);
update_future_pointer_info (server, &msg.pointer);
p++; /* Skip , */
msg.crossing.mode = strtol(p, &p, 10);
msg.crossing.mode = be32toh (*p++);
break;
case BROADWAY_EVENT_POINTER_MOVE: /* Mouse move */
@ -424,51 +418,42 @@ parse_input_message (BroadwayInput *input, const char *message)
case BROADWAY_EVENT_BUTTON_RELEASE:
p = parse_pointer_data (p, &msg.pointer);
update_future_pointer_info (server, &msg.pointer);
p++; /* Skip , */
msg.button.button = strtol(p, &p, 10);
msg.button.button = be32toh (*p++);
break;
case BROADWAY_EVENT_SCROLL:
p = parse_pointer_data (p, &msg.pointer);
update_future_pointer_info (server, &msg.pointer);
p++; /* Skip , */
msg.scroll.dir = strtol(p, &p, 10);
msg.scroll.dir = be32toh (*p++);
break;
case BROADWAY_EVENT_KEY_PRESS:
case BROADWAY_EVENT_KEY_RELEASE:
msg.key.mouse_window_id = strtol(p, &p, 10);
p++; /* Skip , */
msg.key.key = strtol(p, &p, 10);
p++; /* Skip , */
msg.key.state = strtol(p, &p, 10);
msg.key.mouse_window_id = be32toh (*p++);
msg.key.key = be32toh (*p++);
msg.key.state = be32toh (*p++);
break;
case BROADWAY_EVENT_GRAB_NOTIFY:
case BROADWAY_EVENT_UNGRAB_NOTIFY:
msg.grab_reply.res = strtol(p, &p, 10);
msg.grab_reply.res = be32toh (*p++);
break;
case BROADWAY_EVENT_CONFIGURE_NOTIFY:
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);
msg.configure_notify.id = be32toh (*p++);
msg.configure_notify.x = be32toh (*p++);
msg.configure_notify.y = be32toh (*p++);
msg.configure_notify.width = be32toh (*p++);
msg.configure_notify.height = be32toh (*p++);
break;
case BROADWAY_EVENT_DELETE_NOTIFY:
msg.delete_notify.id = strtol(p, &p, 10);
msg.delete_notify.id = be32toh (*p++);
break;
case BROADWAY_EVENT_SCREEN_SIZE_CHANGED:
msg.screen_resize_notify.width = strtol (p, &p, 10);
p++; /* Skip , */
msg.screen_resize_notify.height = strtol (p, &p, 10);
msg.screen_resize_notify.width = be32toh (*p++);
msg.screen_resize_notify.height = be32toh (*p++);
break;
default:
@ -574,7 +559,7 @@ parse_input (BroadwayInput *input)
switch (code) {
case BROADWAY_WS_CNX_CLOSE:
break; /* hang around anyway */
case BROADWAY_WS_TEXT:
case BROADWAY_WS_BINARY:
if (!fin)
{
#ifdef DEBUG_WEBSOCKETS
@ -583,7 +568,7 @@ parse_input (BroadwayInput *input)
}
else
{
char *terminated = g_strndup((char *)data, payload_len);
char *terminated = g_memdup ((char *)data, payload_len);
parse_input_message (input, terminated);
g_free (terminated);
}
@ -593,7 +578,7 @@ parse_input (BroadwayInput *input)
break;
case BROADWAY_WS_CNX_PONG:
break; /* we never send pings, but tolerate pongs */
case BROADWAY_WS_BINARY:
case BROADWAY_WS_TEXT:
case BROADWAY_WS_CONTINUATION:
default:
{

14
gdk/broadway/broadway.js
View File

@ -656,9 +656,17 @@ function getSurfaceId(ev) {
function sendInput(cmd, args)
{
if (inputSocket != null) {
inputSocket.send(cmd + ([lastSerial, lastTimeStamp].concat(args)).join(","));
}
if (inputSocket == null)
return;
var fullArgs = [cmd.charCodeAt(0), lastSerial, lastTimeStamp].concat(args);
var buffer = new ArrayBuffer(fullArgs.length * 4);
var view = new DataView(buffer);
fullArgs.forEach(function(arg, i) {
view.setInt32(i*4, arg, false);
});
inputSocket.send(buffer);
}
function getPositionsFromAbsCoord(absX, absY, relativeId) {