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libvncserver
Commit 1c7ca906 authored by runge's avatar runge
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x11vnc: add -auth, more -cursorpos and -nofb work

parent 7c1c81ee
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ChangeLog
View file @ 1c7ca906
2004-03-28 Karl Runge <runge@karlrunge.com>
* x11vnc: -auth, more -cursopor and -nofb work
2004-03-19 Karl Runge <runge@karlrunge.com>
* x11vnc: -cursorpos, -sigpipe
......
contrib/ChangeLog
View file @ 1c7ca906
2004-04-28 Karl Runge <runge@karlrunge.com>
* -auth cmdline option for xauthority.
* decrease default deferupdate under -nofb.
* update_client_pointer() from Edoardo Tirtarahardja.
* remove some assumptions about libvncserver defaults.
2004-04-19 Karl Runge <runge@karlrunge.com>
* support for cursor positions updates -cursorpos
* option for SIGPIPE handling -sigpipe
......
contrib/x11vnc.c
View file @ 1c7ca906
......@@ -238,6 +238,7 @@ int flip_byte_order = 0; /* sometimes needed when using_shm = 0 */
*/
int waitms = 30;
int defer_update = 30; /* rfbDeferUpdateTime ms to wait before sends. */
int defer_update_nofb = 6; /* defer a shorter time under -nofb */
int screen_blank = 60; /* number of seconds of no activity to throttle */
/* down the screen polls. zero to disable. */
......@@ -2055,6 +2056,50 @@ void blackout_nearby_tiles(x, y, dt) {
}
}
/*
* This is a special workaround to quickly send rfbCursorPosUpdates
* to client(s) when in -nofb mode, e.g. Win2VNC. It sends the updates
* immediately (by-passing libvncserver). Requires a customized Win2VNC
* to interpret the rfbCursorPosUpdates. Currently no big reason to
* do this for non-nofb mode (i.e. normal viewing) and so the normal
* libvncserver mechanism is used. Thanks to Edoardo Tirtarahardja.
*/
void update_client_pointer(rfbClientPtr cl, rfbBool send) {
rfbFramebufferUpdateMsg *fu;
if (! nofb) {
/* normal libvncserver mechanism: */
cl->cursorWasMoved = send;
return;
}
if (! send) {
return;
}
if (cl->state != RFB_NORMAL) {
/* bad idea to force this data to initializing clients */
return;
}
fu = (rfbFramebufferUpdateMsg*) cl->updateBuf;
cl->rfbFramebufferUpdateMessagesSent++;
fu->type = rfbFramebufferUpdate;
fu->nRects = Swap16IfLE(1);
memcpy(&cl->updateBuf[cl->ublen], (char*) fu,
sz_rfbFramebufferUpdateMsg);
cl->ublen = sz_rfbFramebufferUpdateMsg;
rfbSendCursorPos(cl);
if (debug_pointer) {
rfbLog("Sending rfbEncodingPointerPos message to host %s with "
"x=%d,y=%d\n", cl->host, screen->cursorX, screen->cursorY);
}
}
/*
* Send rfbCursorPosUpdates back to clients that understand them. This
* seems to be TightVNC specific.
*/
void cursor_pos_updates(int x, int y) {
rfbClientIteratorPtr iter;
rfbClientPtr cl;
......@@ -2063,6 +2108,7 @@ void cursor_pos_updates(int x, int y) {
if (! cursor_pos) {
return;
}
/* x and y are current positions of X11 pointer on the X11 display */
if (x == screen->cursorX && y == screen->cursorY) {
return;
}
......@@ -2083,25 +2129,24 @@ void cursor_pos_updates(int x, int y) {
continue;
}
if (cl == last_pointer_client) {
/*
* special case if this client was the last one to
* send a pointer position.
*/
if (x == cursor_x && y == cursor_y) {
if (cursor_pos > 1) {
/* send to all */
cl->cursorWasMoved = TRUE;
cnt++;
} else {
cl->cursorWasMoved = FALSE;
}
update_client_pointer(cl, FALSE);
} else {
/* an X11 app evidently warped the pointer */
if (debug_pointer) {
rfbLog("cursor_pos_updates: warp "
"detected dx=%3d dy=%3d\n",
cursor_x - x, cursor_y - y);
}
cl->cursorWasMoved = TRUE;
update_client_pointer(cl, TRUE);
cnt++;
}
} else {
cl->cursorWasMoved = TRUE;
update_client_pointer(cl, TRUE);
cnt++;
}
}
......@@ -2286,11 +2331,6 @@ void update_mouse(void) {
int root_x, root_y, win_x, win_y, which = 0;
unsigned int mask;
if (! show_mouse && cursor_pos == 1 && last_pointer_client) {
if (client_count == 1) {
return; /* can save some effort for the 1 client case */
}
}
X_LOCK;
ret = XQueryPointer(dpy, rootwin, &root_w, &child_w, &root_x, &root_y,
&win_x, &win_y, &mask);
......@@ -2498,9 +2538,10 @@ void set_visual(char *vstring) {
/*
* Presumably under -nofb the clients will never request the framebuffer.
* But we have gotten such a request... so let's just give them the
* current view on the display. n.b. x2vnc and perhaps win2vnc requests
* a 1x1 pixel for some workaround so sadly this evidently always happens.
* But we have gotten such a request... so let's just give them
* the current view on the display. n.b. x2vnc and perhaps win2vnc
* requests a 1x1 pixel for some workaround so sadly this evidently
* nearly always happens.
*/
void nofb_hook(rfbClientPtr cl) {
static int loaded_fb = 0;
......@@ -2515,6 +2556,9 @@ void nofb_hook(rfbClientPtr cl) {
screen->displayHook = NULL;
}
int got_rfbport = 0;
int got_alwaysshared = 0;
int got_nevershared = 0;
/*
* initialize the rfb framebuffer/screen
*/
......@@ -2629,16 +2673,12 @@ if (strcmp(LIBVNCSERVER_VERSION, "0.5") && strcmp(LIBVNCSERVER_VERSION, "0.6"))
/* we keep stderr for logging */
screen->inetdSock = fd;
screen->rfbPort = 0;
}
/* XXX the following 3 settings are based on libvncserver defaults. */
if (screen->rfbPort == 5900) {
} else if (! got_rfbport) {
screen->autoPort = TRUE;
}
if (screen->rfbDeferUpdateTime == 5) {
screen->rfbDeferUpdateTime = defer_update;
}
if (! screen->rfbNeverShared && ! screen->rfbAlwaysShared) {
if (! got_nevershared && ! got_alwaysshared) {
if (shared) {
screen->rfbAlwaysShared = TRUE;
} else {
......@@ -2646,6 +2686,11 @@ if (strcmp(LIBVNCSERVER_VERSION, "0.5") && strcmp(LIBVNCSERVER_VERSION, "0.6"))
screen->rfbNeverShared = TRUE;
}
}
/* XXX the following is based on libvncserver defaults. */
if (screen->rfbDeferUpdateTime == 5) {
/* XXX will be fixed someday */
screen->rfbDeferUpdateTime = defer_update;
}
/* event callbacks: */
screen->newClientHook = new_client;
......@@ -3242,8 +3287,15 @@ void initialize_shm() {
if (i == 1) {
clean_up_exit(1);
}
rfbLog("error creating tile-row shm for len=%d\n", i);
rfbLog("reverting to single_copytile mode\n");
rfbLog("shm: Error creating shared memory tile-row for"
" len=%d,\n", i);
rfbLog("shm: reverting to -onetile mode. If this"
" problem persists\n");
rfbLog("shm: try using the -onetile or -noshm options"
" to limit\n");
rfbLog("shm: shared memory usage, or run ipcrm(1)"
" to manually\n");
rfbLog("shm: delete unattached shm segments.\n");
/* n.b.: "i" not "1", a kludge for cleanup */
single_copytile = i;
}
......@@ -4607,7 +4659,7 @@ void watch_loop(void) {
if (! use_threads) {
rfbProcessEvents(screen, -1);
if (check_user_input(dt, &cnt)) {
if (! nofb && check_user_input(dt, &cnt)) {
/* true means loop back for more input */
continue;
}
......@@ -4857,6 +4909,8 @@ void print_help() {
" contains \"/\" it is a file to periodically check for new\n"
" hosts. The first line is read and then file is truncated.\n"
"-vncconnect Monitor the VNC_CONNECT X property set by vncconnect(1).\n"
"-auth file Set the X authority file to be \"file\", equivalent to\n"
" setting the XAUTHORITY env. var to \"file\" before startup.\n"
"-allow addr1[,addr2..] Only allow client connections from IP addresses matching\n"
" the comma separated list of numerical addresses. Can be\n"
" a prefix, e.g. \"192.168.100.\" to match a simple subnet,\n"
......@@ -4904,8 +4958,6 @@ void print_help() {
" on touchscreens or other non-standard setups).\n"
"-cursorpos Send the X cursor position back to all vnc clients that\n"
" support the TightVNC CursorPosUpdates extension.\n"
"-cursorposall As -cursorpos, but send to all clients, even the one\n"
" that is currently moving the cursor around.\n"
"-buttonmap str String to remap mouse buttons. Format: IJK-LMN, this\n"
" maps buttons I -> L, etc., e.g. -buttonmap 13-31\n"
"-nodragging Do not update the display during mouse dragging events\n"
......@@ -5021,11 +5073,13 @@ int main(int argc, char** argv) {
XImage *fb;
int i, op, ev, er, maj, min;
char *use_dpy = NULL;
char *auth_file = NULL;
char *arg, *visual_str = NULL;
int pw_loc = -1;
int dt = 0;
int bg = 0;
int got_waitms = 0, got_rfbwait = 0;
int got_deferupdate = 0, got_defer = 0;
/* used to pass args we do not know about to rfbGetScreen(): */
int argc2 = 1; char *argv2[100];
......@@ -5059,6 +5113,8 @@ int main(int argc, char** argv) {
view_only = 1;
} else if (!strcmp(arg, "-shared")) {
shared = 1;
} else if (!strcmp(arg, "-auth")) {
auth_file = argv[++i];
} else if (!strcmp(arg, "-allow")) {
allow_list = argv[++i];
} else if (!strcmp(arg, "-localhost")) {
......@@ -5114,8 +5170,6 @@ int main(int argc, char** argv) {
use_xwarppointer = 1;
} else if (!strcmp(arg, "-cursorpos")) {
cursor_pos = 1;
} else if (!strcmp(arg, "-cursorposall")) {
cursor_pos = 2;
} else if (!strcmp(arg, "-buttonmap")) {
pointer_remap = argv[++i];
} else if (!strcmp(arg, "-nodragging")) {
......@@ -5134,6 +5188,7 @@ int main(int argc, char** argv) {
debug_keyboard++;
} else if (!strcmp(arg, "-defer")) {
defer_update = atoi(argv[++i]);
got_defer = 1;
} else if (!strcmp(arg, "-wait")) {
waitms = atoi(argv[++i]);
got_waitms = 1;
......@@ -5188,6 +5243,18 @@ int main(int argc, char** argv) {
if (!strcmp(arg, "-rfbwait")) {
got_rfbwait = 1;
}
if (!strcmp(arg, "-deferupdate")) {
got_deferupdate = 1;
}
if (!strcmp(arg, "-rfbport")) {
got_rfbport = 1;
}
if (!strcmp(arg, "-alwaysshared ")) {
got_alwaysshared = 1;
}
if (!strcmp(arg, "-nevershared")) {
got_nevershared = 1;
}
/* otherwise copy it for use below. */
if (! quiet && i != pw_loc && i != pw_loc+1) {
fprintf(stderr, "passing arg to libvncserver: %s\n",
......@@ -5218,6 +5285,10 @@ int main(int argc, char** argv) {
/* fixup settings that do not make sense */
if (use_threads && nofb && cursor_pos) {
fprintf(stderr, "disabling -threads under -nofb -cursorpos\n");
use_threads = 0;
}
if (tile_fuzz < 1) {
tile_fuzz = 1;
}
......@@ -5240,41 +5311,89 @@ int main(int argc, char** argv) {
argv2[argc2++] = "604800000"; /* one week... */
}
if (nofb && ! got_deferupdate && ! got_defer) {
/* reduce defer time under -nofb */
defer_update = defer_update_nofb;
}
if (! got_deferupdate) {
char tmp[40];
/* XXX not working yet in libvncserver */
sprintf(tmp, "%d", defer_update);
argv2[argc2++] = "-deferupdate";
argv2[argc2++] = strdup(tmp);
}
if (! quiet) {
fprintf(stderr, "\n");
fprintf(stderr, "display: %s\n", use_dpy ? use_dpy
: "null");
fprintf(stderr, "subwin: 0x%x\n", subwin);
fprintf(stderr, "visual: %s\n", visual_str ? visual_str
: "null");
fprintf(stderr, "flashcmap: %d\n", flash_cmap);
fprintf(stderr, "force_idx: %d\n", force_indexed_color);
fprintf(stderr, "viewonly: %d\n", view_only);
fprintf(stderr, "shared: %d\n", shared);
fprintf(stderr, "authfile: %s\n", auth_file ? auth_file
: "null");
fprintf(stderr, "allow: %s\n", allow_list ? allow_list
: "null");
fprintf(stderr, "inetd: %d\n", inetd);
fprintf(stderr, "conn_once: %d\n", connect_once);
fprintf(stderr, "flashcmap: %d\n", flash_cmap);
fprintf(stderr, "force_idx: %d\n", force_indexed_color);
fprintf(stderr, "connect: %s\n", client_connect
? client_connect : "null");
fprintf(stderr, "connectfile %s\n", client_connect_file
? client_connect_file : "null");
fprintf(stderr, "vnc_conn: %d\n", vnc_connect);
fprintf(stderr, "inetd: %d\n", inetd);
fprintf(stderr, "using_shm: %d\n", using_shm);
fprintf(stderr, "flipbytes: %d\n", flip_byte_order);
fprintf(stderr, "nofb: %d\n", nofb);
fprintf(stderr, "watchbell: %d\n", watch_bell);
fprintf(stderr, "mod_tweak: %d\n", use_modifier_tweak);
fprintf(stderr, "remap: %s\n", remap_file ? remap_file
: "null");
fprintf(stderr, "blackout: %s\n", blackout_string
? blackout_string : "null");
fprintf(stderr, "xinerama: %d\n", xinerama);
fprintf(stderr, "watchbell: %d\n", watch_bell);
fprintf(stderr, "nofb: %d\n", nofb);
fprintf(stderr, "watchsel: %d\n", watch_selection);
fprintf(stderr, "watchprim: %d\n", watch_primary);
fprintf(stderr, "loc_curs: %d\n", local_cursor);
fprintf(stderr, "mouse: %d\n", show_mouse);
fprintf(stderr, "root_curs: %d\n", show_root_cursor);
fprintf(stderr, "xwarpptr: %d\n", use_xwarppointer);
fprintf(stderr, "cursorpos: %d\n", cursor_pos);
fprintf(stderr, "buttonmap: %s\n", pointer_remap
? pointer_remap : "null");
fprintf(stderr, "dragging: %d\n", show_dragging);
fprintf(stderr, "inputskip: %d\n", ui_skip);
fprintf(stderr, "root_curs: %d\n", show_root_cursor);
fprintf(stderr, "old_ptr: %d\n", old_pointer);
fprintf(stderr, "onetile: %d\n", single_copytile);
fprintf(stderr, "debug_ptr: %d\n", debug_pointer);
fprintf(stderr, "debug_key: %d\n", debug_keyboard);
fprintf(stderr, "defer: %d\n", defer_update);
fprintf(stderr, "waitms: %d\n", waitms);
fprintf(stderr, "take_naps: %d\n", take_naps);
fprintf(stderr, "sigpipe: %d\n", sigpipe);
fprintf(stderr, "threads: %d\n", use_threads);
fprintf(stderr, "fs_frac: %.2f\n", fs_frac);
fprintf(stderr, "gaps_fill: %d\n", gaps_fill);
fprintf(stderr, "grow_fill: %d\n", grow_fill);
fprintf(stderr, "tile_fuzz: %d\n", tile_fuzz);
fprintf(stderr, "use_hints: %d\n", use_hints);
fprintf(stderr, "bg: %d\n", bg);
} else {
rfbLogEnable(0);
}
/* open the X display: */
X_INIT;
if (auth_file) {
char *tmp;
int len = strlen("XAUTHORITY=") + strlen(auth_file) + 1;
tmp = (char *) malloc((size_t) len);
sprintf(tmp, "XAUTHORITY=%s", auth_file);
putenv(tmp);
}
if (use_dpy) {
dpy = XOpenDisplay(use_dpy);
} else if ( (use_dpy = getenv("DISPLAY")) ) {
......
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