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vnc: Migrate to using QTAILQ instead of custom implementation 

Just a 1-1 conversion for now.

Signed-off-by: Amit Shah <amit.shah@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
This commit is contained in:
Amit Shah 2010-02-05 16:34:05 +05:30 committed by Anthony Liguori
parent a2eebe88fd
commit 41b4bef65f
2 changed files with 31 additions and 48 deletions
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74
vnc.c
View File

@ -356,17 +356,14 @@ void do_info_vnc(Monitor *mon, QObject **ret_data)
*ret_data = qobject_from_jsonf("{ 'enabled': false }");
} else {
QList *clist;
VncState *client;
clist = qlist_new();
if (vnc_display->clients) {
VncState *client = vnc_display->clients;
while (client) {
if (client->info) {
/* incref so that it's not freed by upper layers */
qobject_incref(client->info);
qlist_append_obj(clist, client->info);
}
client = client->next;
QTAILQ_FOREACH(client, &vnc_display->clients, next) {
if (client->info) {
/* incref so that it's not freed by upper layers */
qobject_incref(client->info);
qlist_append_obj(clist, client->info);
}
}
@ -519,7 +516,7 @@ static void vnc_dpy_resize(DisplayState *ds)
{
int size_changed;
VncDisplay *vd = ds->opaque;
VncState *vs = vd->clients;
VncState *vs;
/* server surface */
if (!vd->server)
@ -540,7 +537,7 @@ static void vnc_dpy_resize(DisplayState *ds)
*(vd->guest.ds) = *(ds->surface);
memset(vd->guest.dirty, 0xFF, sizeof(vd->guest.dirty));
while (vs != NULL) {
QTAILQ_FOREACH(vs, &vd->clients, next) {
vnc_colordepth(vs);
if (size_changed) {
if (vs->csock != -1 && vnc_has_feature(vs, VNC_FEATURE_RESIZE)) {
@ -553,7 +550,6 @@ static void vnc_dpy_resize(DisplayState *ds)
}
}
memset(vs->dirty, 0xFF, sizeof(vs->dirty));
vs = vs->next;
}
}
@ -867,8 +863,7 @@ static void vnc_dpy_copy(DisplayState *ds, int src_x, int src_y, int dst_x, int
int cmp_bytes;
vnc_refresh_server_surface(vd);
for (vs = vd->clients; vs != NULL; vs = vn) {
vn = vs->next;
QTAILQ_FOREACH_SAFE(vs, &vd->clients, next, vn) {
if (vnc_has_feature(vs, VNC_FEATURE_COPYRECT)) {
vs->force_update = 1;
vnc_update_client(vs, 1);
@ -912,11 +907,10 @@ static void vnc_dpy_copy(DisplayState *ds, int src_x, int src_y, int dst_x, int
if (memcmp(src_row, dst_row, cmp_bytes) == 0)
continue;
memmove(dst_row, src_row, cmp_bytes);
vs = vd->clients;
while (vs != NULL) {
if (!vnc_has_feature(vs, VNC_FEATURE_COPYRECT))
QTAILQ_FOREACH(vs, &vd->clients, next) {
if (!vnc_has_feature(vs, VNC_FEATURE_COPYRECT)) {
vnc_set_bit(vs->dirty[y], ((x + dst_x) / 16));
vs = vs->next;
}
}
}
src_row += pitch - w * depth;
@ -924,9 +918,10 @@ static void vnc_dpy_copy(DisplayState *ds, int src_x, int src_y, int dst_x, int
y += inc;
}
for (vs = vd->clients; vs != NULL; vs = vs->next) {
if (vnc_has_feature(vs, VNC_FEATURE_COPYRECT))
QTAILQ_FOREACH(vs, &vd->clients, next) {
if (vnc_has_feature(vs, VNC_FEATURE_COPYRECT)) {
vnc_copy(vs, src_x, src_y, dst_x, dst_y, w, h);
}
}
}
@ -1109,19 +1104,11 @@ static void vnc_disconnect_finish(VncState *vs)
#endif /* CONFIG_VNC_SASL */
audio_del(vs);
VncState *p, *parent = NULL;
for (p = vs->vd->clients; p != NULL; p = p->next) {
if (p == vs) {
if (parent)
parent->next = p->next;
else
vs->vd->clients = p->next;
break;
}
parent = p;
}
if (!vs->vd->clients)
QTAILQ_REMOVE(&vs->vd->clients, vs, next);
if (QTAILQ_EMPTY(&vs->vd->clients)) {
dcl->idle = 1;
}
vnc_remove_timer(vs->vd);
qemu_free(vs);
@ -2299,7 +2286,7 @@ static int vnc_refresh_server_surface(VncDisplay *vd)
uint8_t *server_row;
int cmp_bytes;
uint32_t width_mask[VNC_DIRTY_WORDS];
VncState *vs = NULL;
VncState *vs;
int has_dirty = 0;
/*
@ -2328,10 +2315,8 @@ static int vnc_refresh_server_surface(VncDisplay *vd)
if (memcmp(server_ptr, guest_ptr, cmp_bytes) == 0)
continue;
memcpy(server_ptr, guest_ptr, cmp_bytes);
vs = vd->clients;
while (vs != NULL) {
QTAILQ_FOREACH(vs, &vd->clients, next) {
vnc_set_bit(vs->dirty[y], (x / 16));
vs = vs->next;
}
has_dirty++;
}
@ -2345,19 +2330,16 @@ static int vnc_refresh_server_surface(VncDisplay *vd)
static void vnc_refresh(void *opaque)
{
VncDisplay *vd = opaque;
VncState *vs = NULL, *vn = NULL;
int has_dirty = 0, rects = 0;
VncState *vs, *vn;
int has_dirty, rects = 0;
vga_hw_update();
has_dirty = vnc_refresh_server_surface(vd);
vs = vd->clients;
while (vs != NULL) {
vn = vs->next;
QTAILQ_FOREACH_SAFE(vs, &vd->clients, next, vn) {
rects += vnc_update_client(vs, has_dirty);
/* vs might be free()ed here */
vs = vn;
}
/* vd->timer could be NULL now if the last client disconnected,
* in this case don't update the timer */
@ -2379,7 +2361,7 @@ static void vnc_refresh(void *opaque)
static void vnc_init_timer(VncDisplay *vd)
{
vd->timer_interval = VNC_REFRESH_INTERVAL_BASE;
if (vd->timer == NULL && vd->clients != NULL) {
if (vd->timer == NULL && !QTAILQ_EMPTY(&vd->clients)) {
vd->timer = qemu_new_timer(rt_clock, vnc_refresh, vd);
vnc_refresh(vd);
}
@ -2387,7 +2369,7 @@ static void vnc_init_timer(VncDisplay *vd)
static void vnc_remove_timer(VncDisplay *vd)
{
if (vd->timer != NULL && vd->clients == NULL) {
if (vd->timer != NULL && QTAILQ_EMPTY(&vd->clients)) {
qemu_del_timer(vd->timer);
qemu_free_timer(vd->timer);
vd->timer = NULL;
@ -2417,8 +2399,7 @@ static void vnc_connect(VncDisplay *vd, int csock)
vs->as.fmt = AUD_FMT_S16;
vs->as.endianness = 0;
vs->next = vd->clients;
vd->clients = vs;
QTAILQ_INSERT_HEAD(&vd->clients, vs, next);
vga_hw_update();
@ -2460,6 +2441,7 @@ void vnc_display_init(DisplayState *ds)
vs->lsock = -1;
vs->ds = ds;
QTAILQ_INIT(&vs->clients);
if (keyboard_layout)
vs->kbd_layout = init_keyboard_layout(name2keysym, keyboard_layout);

5
vnc.h
View File

@ -28,6 +28,7 @@
#define __QEMU_VNC_H
#include "qemu-common.h"
#include "qemu-queue.h"
#include "console.h"
#include "monitor.h"
#include "audio/audio.h"
@ -92,11 +93,11 @@ struct VncSurface
struct VncDisplay
{
QTAILQ_HEAD(, VncState) clients;
QEMUTimer *timer;
int timer_interval;
int lsock;
DisplayState *ds;
VncState *clients;
kbd_layout_t *kbd_layout;
struct VncSurface guest; /* guest visible surface (aka ds->surface) */
@ -165,7 +166,7 @@ struct VncState
Buffer zlib_tmp;
z_stream zlib_stream[4];
VncState *next;
QTAILQ_ENTRY(VncState) next;
};