void* client_thread(void* x)
#endif
{
puts("client_thread started");
unsigned int i;
while(1)
{
mutex_lock(&client_vector_mutex);
for(i = 0; i < clients.size; i++)
{
struct client* client = VECTOR_GET_AS(clients, i, struct client);
if(client_update(client) < 0)
{
puts("client disconnected!");
vector_erase(clients, i);
i--;
continue;
}
else
{
}
}
mutex_unlock(&client_vector_mutex);
}
#ifndef _WIN32
return NULL;
#endif
}
void cfg_reinitialize(void) {
int i;
#ifdef USE_XFT
int xft = xftfont ? 1 : 0;
#endif
/* free things from old configuration */
XFreeGC(dpy, gc);
XFreeGC(dpy, igc);
XFreeGC(dpy, bgc);
XFreeGC(dpy, ibgc);
keys_free();
/* read config again */
cfg_read(0);
/* update some things */
p_attr.background_pixel = fg.pixel;
p_attr.border_pixel = ibfg.pixel;
select_root_events();
/* update clients */
for(i = 0; i < cn; i++) {
#ifdef USE_XFT
if(xftfont && !xft)
clients[i]->wlist_draw = XftDrawCreate(dpy, clients[i]->wlist_item, visual, colormap);
if(!xftfont && xft) {
XftDrawDestroy(clients[i]->title_draw);
XftDrawDestroy(clients[i]->wlist_draw);
}
#endif
XDestroyWindow(dpy, clients[i]->button_parent_left);
XDestroyWindow(dpy, clients[i]->button_parent_right);
free((void *) clients[i]->buttons);
clients[i]->flags ^= clients[i]->flags & HAS_BUTTONS;
buttons_create(clients[i]); /* buttons are now on top of the client window */
XRaiseWindow(dpy, clients[i]->window); /* hence this line */
client_update(clients[i]);
client_update_name(clients[i]);
(clients[i] == current) ? client_set_bg(clients[i], bg, fg) : client_set_bg(clients[i], ibg, ifg);
if(clients[i]->flags & IS_TASKBAR)
client_set_layer(clients[i], taskbar_ontop ? TOP : NORMAL);
XUngrabButton(dpy, AnyButton, AnyModifier, clients[i]->parent);
client_grab_buttons(clients[i]);
if(clients[i]->flags & FULLSCREEN && clients[i]->layer <= NORMAL && fullscreen_stacking != FS_NORMAL)
client_update_layer(clients[i], (fullscreen_stacking == FS_ALWAYS_ONTOP) ? NORMAL : TOP);
if(clients[i]->flags & HAS_BORDER)
XSetWindowBorderWidth(dpy, clients[i]->parent, border_width);
ewmh_update_extents(clients[i]);
}
ewmh_update_number_of_desktops();
ewmh_update_geometry();
ewmh_update_strut();
}
void ewmh_update_strut(void) {
Atom rt;
int i, j, rf, scr;
unsigned long nir, bar;
long workarea[16], *data;
unsigned char *p;
for(i = 0; i < nscreens; i++)
for(j = 0; j < 4; j++)
screens[i].ewmh_strut[j] = 0;
for(i = 0; i < cn; i++) {
client_update_screen(clients[i]);
if(XGetWindowProperty(dpy, clients[i]->window, ewmh_atoms[NET_WM_STRUT_PARTIAL], 0, 4, False, XA_CARDINAL, &rt, &rf, &nir, &bar, (unsigned char **) &p) != Success || nir < 4)
if(XGetWindowProperty(dpy, clients[i]->window, ewmh_atoms[NET_WM_STRUT], 0, 4, False, XA_CARDINAL, &rt, &rf, &nir, &bar, (unsigned char **) &p) != Success || nir < 4)
continue;
data = (long *) p;
if(data[0])
screens[clients[i]->screen].ewmh_strut[0] += data[0] - (screens_leftmost() + screens[clients[i]->screen].x);
if(data[1])
screens[clients[i]->screen].ewmh_strut[1] += data[1] - (screens_rightmost() - (screens[clients[i]->screen].x + screens[clients[i]->screen].width));
if(data[2])
screens[clients[i]->screen].ewmh_strut[2] += data[2] - (screens_topmost() + screens[clients[i]->screen].y);
if(data[3])
screens[clients[i]->screen].ewmh_strut[3] += data[3] - (screens_bottom() - (screens[clients[i]->screen].y + screens[clients[i]->screen].height));
XFree((void *) p);
}
scr = (ewmh_screen < nscreens) ? ewmh_screen : nscreens - 1;
workarea[0] = screens[scr].x + screens[scr].ewmh_strut[0];
workarea[1] = screens[scr].x + screens[scr].ewmh_strut[2];
workarea[2] = (screens[scr].width - screens[scr].x) - (screens[scr].ewmh_strut[0] + screens[scr].ewmh_strut[1]);
workarea[3] = (screens[scr].height - screens[scr].y) - (screens[scr].ewmh_strut[2] + screens[scr].ewmh_strut[3]);
workarea[4] = workarea[0]; /* why 4 times? ask gnome developpers, this is the only way nautilus will listen to it */
workarea[5] = workarea[1];
workarea[6] = workarea[2];
workarea[7] = workarea[3];
workarea[8] = workarea[0];
workarea[9] = workarea[1];
workarea[10] = workarea[2];
workarea[11] = workarea[3];
workarea[12] = workarea[0];
workarea[13] = workarea[1];
workarea[14] = workarea[2];
workarea[15] = workarea[3];
XChangeProperty(dpy, root, ewmh_atoms[NET_WORKAREA], XA_CARDINAL, 32, PropModeReplace, (unsigned char *) &workarea, sizeof(workarea) / sizeof(long));
for(i = 0; i < cn; i++)
client_update(clients[i]);
}
void numbers(void){
int now = glutGet(GLUT_ELAPSED_TIME);
int elapsedMilliseconds = now - lastFrameTime;
float elapsedTime = elapsedMilliseconds / 1000.0f;
lastFrameTime = now;
float h = elapsedTime;
client_update(tclient, h);
while (enet_host_service (enet_client, & event, 10) > 0 && client_connection(tclient))
{
switch (event.type)
{
case ENET_EVENT_TYPE_RECEIVE:
client_process_packets(tclient, &event);
break;
case ENET_EVENT_TYPE_DISCONNECT:
client_disconnect(tclient);
break;
}
}
}
int
client_dispatch(struct ntp_peer *p, u_int8_t settime)
{
struct ntp_msg msg;
struct msghdr somsg;
struct iovec iov[1];
struct timeval tv;
char buf[NTP_MSGSIZE];
union {
struct cmsghdr hdr;
char buf[CMSG_SPACE(sizeof(tv))];
} cmsgbuf;
struct cmsghdr *cmsg;
ssize_t size;
double T1, T2, T3, T4;
time_t interval;
bzero(&somsg, sizeof(somsg));
iov[0].iov_base = buf;
iov[0].iov_len = sizeof(buf);
somsg.msg_iov = iov;
somsg.msg_iovlen = 1;
somsg.msg_control = cmsgbuf.buf;
somsg.msg_controllen = sizeof(cmsgbuf.buf);
T4 = getoffset();
if ((size = recvmsg(p->query->fd, &somsg, 0)) == -1) {
if (errno == EHOSTUNREACH || errno == EHOSTDOWN ||
errno == ENETUNREACH || errno == ENETDOWN ||
errno == ECONNREFUSED || errno == EADDRNOTAVAIL ||
errno == ENOPROTOOPT || errno == ENOENT) {
client_log_error(p, "recvmsg", errno);
set_next(p, error_interval());
return (0);
} else
fatal("recvfrom");
}
if (somsg.msg_flags & MSG_TRUNC) {
client_log_error(p, "recvmsg packet", EMSGSIZE);
set_next(p, error_interval());
return (0);
}
if (somsg.msg_flags & MSG_CTRUNC) {
client_log_error(p, "recvmsg control data", E2BIG);
set_next(p, error_interval());
return (0);
}
#ifdef HAVE_RTABLE
if (p->rtable != -1 &&
setsockopt(p->query->fd, SOL_SOCKET, SO_RTABLE, &p->rtable,
sizeof(p->rtable)) == -1)
fatal("client_dispatch setsockopt SO_RTABLE");
#endif
for (cmsg = CMSG_FIRSTHDR(&somsg); cmsg != NULL;
cmsg = CMSG_NXTHDR(&somsg, cmsg)) {
if (cmsg->cmsg_level == SOL_SOCKET &&
cmsg->cmsg_type == SCM_TIMESTAMP) {
memcpy(&tv, CMSG_DATA(cmsg), sizeof(tv));
T4 += tv.tv_sec + JAN_1970 + 1.0e-6 * tv.tv_usec;
break;
}
}
if (T4 < JAN_1970) {
client_log_error(p, "recvmsg control format", EBADF);
set_next(p, error_interval());
return (0);
}
ntp_getmsg((struct sockaddr *)&p->addr->ss, buf, size, &msg);
if (msg.orgtime.int_partl != p->query->msg.xmttime.int_partl ||
msg.orgtime.fractionl != p->query->msg.xmttime.fractionl)
return (0);
if ((msg.status & LI_ALARM) == LI_ALARM || msg.stratum == 0 ||
msg.stratum > NTP_MAXSTRATUM) {
char s[16];
if ((msg.status & LI_ALARM) == LI_ALARM) {
strlcpy(s, "alarm", sizeof(s));
} else if (msg.stratum == 0) {
/* Kiss-o'-Death (KoD) packet */
strlcpy(s, "KoD", sizeof(s));
} else if (msg.stratum > NTP_MAXSTRATUM) {
snprintf(s, sizeof(s), "stratum %d", msg.stratum);
}
interval = error_interval();
set_next(p, interval);
log_info("reply from %s: not synced (%s), next query %llds",
log_sockaddr((struct sockaddr *)&p->addr->ss), s,
(long long)interval);
return (0);
}
/*
* From RFC 2030 (with a correction to the delay math):
*
* Timestamp Name ID When Generated
* ------------------------------------------------------------
* Originate Timestamp T1 time request sent by client
* Receive Timestamp T2 time request received by server
* Transmit Timestamp T3 time reply sent by server
* Destination Timestamp T4 time reply received by client
*
* The roundtrip delay d and local clock offset t are defined as
*
* d = (T4 - T1) - (T3 - T2) t = ((T2 - T1) + (T3 - T4)) / 2.
*/
T1 = p->query->xmttime;
T2 = lfp_to_d(msg.rectime);
T3 = lfp_to_d(msg.xmttime);
/*
* XXX workaround: time_t / tv_sec must never wrap.
* around 2020 we will need a solution (64bit time_t / tv_sec).
* consider every answer with a timestamp beyond january 2030 bogus.
*/
if (T2 > JAN_2030 || T3 > JAN_2030) {
set_next(p, error_interval());
return (0);
}
p->reply[p->shift].offset = ((T2 - T1) + (T3 - T4)) / 2;
p->reply[p->shift].delay = (T4 - T1) - (T3 - T2);
p->reply[p->shift].status.stratum = msg.stratum;
if (p->reply[p->shift].delay < 0) {
interval = error_interval();
set_next(p, interval);
log_info("reply from %s: negative delay %fs, "
"next query %llds",
log_sockaddr((struct sockaddr *)&p->addr->ss),
p->reply[p->shift].delay, (long long)interval);
return (0);
}
p->reply[p->shift].error = (T2 - T1) - (T3 - T4);
p->reply[p->shift].rcvd = getmonotime();
p->reply[p->shift].good = 1;
p->reply[p->shift].status.leap = (msg.status & LIMASK);
p->reply[p->shift].status.precision = msg.precision;
p->reply[p->shift].status.rootdelay = sfp_to_d(msg.rootdelay);
p->reply[p->shift].status.rootdispersion = sfp_to_d(msg.dispersion);
p->reply[p->shift].status.refid = msg.refid;
p->reply[p->shift].status.reftime = lfp_to_d(msg.reftime);
p->reply[p->shift].status.poll = msg.ppoll;
if (p->addr->ss.ss_family == AF_INET) {
p->reply[p->shift].status.send_refid =
((struct sockaddr_in *)&p->addr->ss)->sin_addr.s_addr;
} else if (p->addr->ss.ss_family == AF_INET6) {
MD5_CTX context;
u_int8_t digest[MD5_DIGEST_LENGTH];
MD5_Init(&context);
MD5_Update(&context, ((struct sockaddr_in6 *)&p->addr->ss)->
sin6_addr.s6_addr, sizeof(struct in6_addr));
MD5_Final(digest, &context);
memcpy((char *)&p->reply[p->shift].status.send_refid, digest,
sizeof(u_int32_t));
} else
p->reply[p->shift].status.send_refid = msg.xmttime.fractionl;
if (p->trustlevel < TRUSTLEVEL_PATHETIC)
interval = scale_interval(INTERVAL_QUERY_PATHETIC);
else if (p->trustlevel < TRUSTLEVEL_AGGRESSIVE)
interval = scale_interval(INTERVAL_QUERY_AGGRESSIVE);
else
interval = scale_interval(INTERVAL_QUERY_NORMAL);
set_next(p, interval);
p->state = STATE_REPLY_RECEIVED;
/* every received reply which we do not discard increases trust */
if (p->trustlevel < TRUSTLEVEL_MAX) {
if (p->trustlevel < TRUSTLEVEL_BADPEER &&
p->trustlevel + 1 >= TRUSTLEVEL_BADPEER)
log_info("peer %s now valid",
log_sockaddr((struct sockaddr *)&p->addr->ss));
p->trustlevel++;
}
log_debug("reply from %s: offset %f delay %f, "
"next query %llds %s",
log_sockaddr((struct sockaddr *)&p->addr->ss),
p->reply[p->shift].offset, p->reply[p->shift].delay,
(long long)interval, print_rtable(p->rtable));
client_update(p);
if (settime)
priv_settime(p->reply[p->shift].offset);
if (++p->shift >= OFFSET_ARRAY_SIZE)
p->shift = 0;
return (0);
}
void MdlUpdate(int_T tid)
{
client_update(tid);
}
void handle_event(XEvent *ev) {
client *c = owner(ev->xany.window);
#ifdef DEBUG_EVENTS
if(ev->type != Expose && ev->type != MotionNotify && !(ev->type == ConfigureNotify && ev->xconfigure.window != root)) /* this makes the output slightly more manageable */
printf(NAME ": handle_event(): got %s\n\twindow: 0x%X (%s)\n", event_name(ev), (unsigned int) ev->xany.window, c ? c->name : ((ev->xany.window == root) ? "root" : "unknown"));
#endif
if((evh && evh(ev)) || button_handle_event(ev) || ewmh_handle_event(ev) || screens_handle_event(ev)) {
#ifdef DEBUG_EVENTS
if(ev->type != Expose && ev->type != MotionNotify && (ev->type != ConfigureNotify && ev->xconfigure.window != root))
printf(NAME ": handle_event(): external event handler claimed last event\n");
#endif
return;
}
if(c) {
if(!has_child(c->parent, c->window) && ev->type != DestroyNotify && ev->type != UnmapNotify)
return;
switch(ev->type) {
case UnmapNotify:
if(c->window == ev->xunmap.window) {
#ifdef DEBUG_EVENTS
printf(NAME ": handle_event(): handling UnmapNotify event\n\twindow: 0x%X (%s)\n", (unsigned int) c->window, c->name);
#endif
if(has_child(c->parent, c->window)) {
client_deparent(c);
set_wm_state(c->window, WithdrawnState);
}
client_remove(c);
ewmh_update_clist();
}
return;
case PropertyNotify:
if(ev->xproperty.atom == XA_WM_NAME) {
#ifdef DEBUG_EVENTS
printf(NAME ": handle_event(): handling PropertyNotify event\n\twindow: 0x%X (%s)\n\tproperty: XA_WM_NAME\n", (unsigned int) c->window, c->name);
#endif
if(c->name != no_title)
XFree(c->name);
#ifdef USE_XFT
if(xftfont)
XftDrawDestroy(c->title_draw);
#endif
XFreePixmap(dpy, c->title_pixmap);
XFetchName(dpy, c->window, &c->name);
client_update_name(c);
XClearWindow(dpy, c->title);
if(evh == wlist_handle_event) {
XClearWindow(dpy, c->wlist_item);
wlist_item_draw(c);
}
}
if(ev->xproperty.atom == XA_WM_NORMAL_HINTS) {
#ifdef DEBUG_EVENTS
printf(NAME ": handle_event(): handling PropertyNotify event\n\twindow: 0x%X (%s)\n\tproperty: XA_WM_NORMAL_HINTS\n", (unsigned int) c->window, c->name);
#endif
get_normal_hints(c);
}
return;
case ClientMessage:
if(ev->xclient.message_type == xa_wm_change_state && ev->xclient.data.l[0] == IconicState) {
#ifdef DEBUG_EVENTS
printf(NAME ": handling ClientMessage event\n\twindow: 0x%X (%s)\n", (unsigned int) c->window, c->name);
#endif
client_iconify(c);
return;
}
break; /* we might later need this event */
case EnterNotify:
if(c != current && !(c->flags & CLICK_FOCUS) && !click_focus && ev->xcrossing.mode != NotifyGrab && ev->xcrossing.mode != NotifyUngrab && ev->xcrossing.detail != NotifyInferior && (ev->xcrossing.window == c->parent || ev->xcrossing.window == c->wlist_item) && ev->xcrossing.send_event == False) {
#ifdef DEBUG_EVENTS
printf(NAME ": handle_event(): handling EnterNotify event\n\twindow: 0x%X (%s)\n", (unsigned int) c->window, c->name);
#endif
client_focus(c, true);
}
return;
case Expose:
if(ev->xexpose.count == 0 && evh == wlist_handle_event && c && ev->xexpose.window == c->wlist_item)
wlist_item_draw(c);
return;
case ButtonPress:
#ifdef DEBUG_EVENTS
printf(NAME ": handle_event(): handling ButtonPress event\n\twindow: 0x%X (%s)\n", (unsigned int) c->window, c->name);
#endif
if(c != current)
client_focus(c, true);
XAllowEvents(dpy, ReplayPointer, CurrentTime);
if(ev->xbutton.window != c->window) {
if(lastclick + doubleclick_time > ev->xbutton.time && lastbutton == ev->xbutton.button && lastclick_client == c) {
client_action(c, buttonaction(ev->xbutton.button, true), ev);
lastclick = 0;
lastclick_client = NULL;
lastbutton = None;
return;
}
lastclick = ev->xbutton.time;
lastclick_client = c;
lastbutton = ev->xbutton.button;
client_action(c, buttonaction(ev->xbutton.button, false), ev);
} else if(click_raise)
client_raise(c);
return;
case FocusIn: /* we ignore pointer events, these happen if the input focus is on the root window */
if(allow_focus_stealing && c != current && ev->xfocus.mode != NotifyGrab && ev->xfocus.mode != NotifyUngrab && ev->xfocus.detail != NotifyPointer) {
#ifdef DEBUG_EVENTS
printf(NAME ": handle_event(): handling FocusIn event\n\twindow: 0x%X (%s)\n", (unsigned int) c->window, c->name);
#endif
client_focus(c, false);
}
return;
case FocusOut:
if(c == current && ev->xfocus.mode != NotifyGrab && ev->xfocus.mode != NotifyUngrab && ev->xfocus.detail != NotifyInferior) {
#ifdef DEBUG_EVENTS
printf(NAME ": handle_event(): handling FocusOut event\n\twindow: 0x%X (%s)\n", (unsigned int) c->window, c->name);
#endif
if(allow_focus_stealing && ev->xfocus.detail != NotifyAncestor) {
#ifdef DEBUG_EVENTS
printf("\tfocus lost\n");
#endif
client_focus(NULL, false); /* we do this so windows that aren't managed can take focus */
} else {
#ifdef DEBUG_EVENTS
printf("\tre-focussing this window\n");
#endif
take_focus(c);
}
}
return;
#ifdef USE_SHAPE
default:
if(ev->type == shape_event) {
#ifdef DEBUG_EVENTS
printf(NAME ": handle_event(): handling ShapeNotify event\n\twindow 0x%X (%s)\n", (unsigned int) c->window, c->name);
#endif
set_shape(c);
return;
}
#endif
}
}
switch(ev->type) {
case MapRequest:
c = owner(ev->xmaprequest.window);
#ifdef DEBUG_EVENTS
printf(NAME ": handle_event(): handling MapRequest event\n\twindow: 0x%X (%s)\n", (unsigned int) ev->xmaprequest.window, c ? c->name : "unknown");
#endif
if(c) {
if(c->flags & ICONIC && has_child(c->parent, c->window)) {
client_restore(c);
if(focus_new)
client_focus(c, true);
}
} else if(has_child(root, ev->xmaprequest.window))
client_add(ev->xmaprequest.window, false);
return;
case DestroyNotify:
c = owner(ev->xdestroywindow.window);
if(c)
if(c->window == ev->xdestroywindow.window) {
#ifdef DEBUG_EVENTS
printf(NAME ": handle_event(): handling DestroyNotify event\n\twindow 0x%X (%s)\n", (unsigned int) c->window, c->name);
#endif
client_remove(c);
}
return;
case ConfigureRequest:
c = owner(ev->xconfigurerequest.window);
#ifdef DEBUG_EVENTS
printf(NAME ": handle_event(): handling ConfigureRequest event\n\twindow 0x%X (%s)\n", (unsigned int) ev->xconfigurerequest.window, c ? c->name : "unknown");
#endif
if(correct_center)
screens_correct_center(&ev->xconfigurerequest.x, &ev->xconfigurerequest.y, &ev->xconfigurerequest.width, &ev->xconfigurerequest.height);
if(c) {
if(!has_child(c->parent, c->window))
return;
if(ev->xconfigurerequest.value_mask & CWX)
c->x = ev->xconfigurerequest.x - gxo(c, false);
if(ev->xconfigurerequest.value_mask & CWY)
c->y = ev->xconfigurerequest.y - gyo(c, false);
if(ev->xconfigurerequest.value_mask & CWWidth)
c->width = ev->xconfigurerequest.width;
if(ev->xconfigurerequest.value_mask & CWHeight)
c->height = ev->xconfigurerequest.height;
client_update(c);
#ifdef DEBUG
printf(NAME ": handle_event(): reconfigured client 0x%X (%s) to %ix%i+%i+%i\n", (unsigned int) c->window, c->name, c->width, c->height, c->x, c->y);
#endif
} else if(has_child(root, ev->xconfigurerequest.window)) {
XWindowChanges wc;
wc.sibling = ev->xconfigurerequest.above;
wc.stack_mode = ev->xconfigurerequest.detail;
wc.x = ev->xconfigurerequest.x;
wc.y = ev->xconfigurerequest.y;
wc.width = ev->xconfigurerequest.width;
wc.height = ev->xconfigurerequest.height;
XConfigureWindow(dpy, ev->xconfigurerequest.window, ev->xconfigurerequest.value_mask, &wc);
}
return;
case MapNotify:
if(correct_center_unmanaged && ev->xany.window == root && !owner(ev->xmap.window)) {
#ifdef DEBUG_EVENTS
printf(NAME ": handle_event(): handling MapNotify event\n\twindow 0x%X (unknown)\n", (unsigned int) ev->xmap.window);
#endif
window_correct_center(ev->xmap.window);
}
return;
case MappingNotify:
if(ev->xmapping.request != MappingPointer) {
#ifdef DEBUG_EVENTS
printf(NAME ": handle_event(): handling MappingNotify event\n");
#endif
keys_ungrab();
XRefreshKeyboardMapping(&ev->xmapping);
keys_update();
}
return;
case KeyPress:
#ifdef DEBUG_EVENTS
printf(NAME ": handle_event(): handling KeyPress event\n");
#endif
client_action(current, keyaction(ev), ev);
return;
case ButtonPress:
if(ev->xbutton.window != root)
return;
#ifdef DEBUG_EVENTS
printf(NAME ": handle_event(): handling ButtonPress event\n");
#endif
if(lastclick + doubleclick_time > ev->xbutton.time && lastbutton == ev->xbutton.button && lastclick_client == NULL) {
client_action(current, root_buttonaction(ev->xbutton.button, true), ev);
lastclick = 0;
lastclick_client = NULL;
lastbutton = None;
return;
}
lastclick = ev->xbutton.time;
lastclick_client = NULL;
lastbutton = ev->xbutton.button;
client_action(current, root_buttonaction(ev->xbutton.button, false), ev);
return;
case ClientMessage:
if(ev->xclient.message_type == xa_internal_message) {
if(((Atom) ev->xclient.data.l[0]) == xa_quit) {
#ifdef DEBUG
printf(NAME ": handle_event(): quit message received\n");
#endif
exit(0);
}
if(((Atom) ev->xclient.data.l[0]) == xa_reinit) {
#ifdef DEBUG
printf(NAME ": handle_event(): reinitialize message received\n");
#endif
cfg_reinitialize();
}
}
}
}