the console. Therefore, you can still use QEMU to debug a Linux kernel
with a serial console.
-@item -vnc d
+@item -vnc display
Normally, QEMU uses SDL to display the VGA output. With this option,
-you can have QEMU listen on VNC display @var{d} and redirect the VGA
+you can have QEMU listen on VNC display @var{display} and redirect the VGA
display over the VNC session. It is very useful to enable the usb
tablet device when using this option (option @option{-usbdevice
tablet}). When using the VNC display, you must use the @option{-k}
-option to set the keyboard layout.
+option to set the keyboard layout if you are not using en-us.
+
+@var{display} may be in the form @var{interface:d}, in which case connections
+will only be allowed from @var{interface} on display @var{d}. Optionally,
+@var{interface} can be omitted. @var{display} can also be in the form
+@var{unix:path} where @var{path} is the location of a unix socket to listen for
+connections on.
+
@item -k language
}
}
-void vnc_display_init(DisplayState *ds, int display)
+extern int parse_host_port(struct sockaddr_in *saddr, const char *str);
+
+void vnc_display_init(DisplayState *ds, const char *arg)
{
- struct sockaddr_in addr;
+ struct sockaddr *addr;
+ struct sockaddr_in iaddr;
+#ifndef _WIN32
+ struct sockaddr_un uaddr;
+#endif
int reuse_addr, ret;
+ socklen_t addrlen;
+ const char *p;
VncState *vs;
vs = qemu_mallocz(sizeof(VncState));
if (!vs->kbd_layout)
exit(1);
- vs->lsock = socket(PF_INET, SOCK_STREAM, 0);
- if (vs->lsock == -1) {
- fprintf(stderr, "Could not create socket\n");
- exit(1);
- }
+ vs->ds->data = NULL;
+ vs->ds->dpy_update = vnc_dpy_update;
+ vs->ds->dpy_resize = vnc_dpy_resize;
+ vs->ds->dpy_refresh = vnc_dpy_refresh;
+
+ memset(vs->dirty_row, 0xFF, sizeof(vs->dirty_row));
- addr.sin_family = AF_INET;
- addr.sin_port = htons(5900 + display);
- memset(&addr.sin_addr, 0, sizeof(addr.sin_addr));
+ vnc_dpy_resize(vs->ds, 640, 400);
- reuse_addr = 1;
- ret = setsockopt(vs->lsock, SOL_SOCKET, SO_REUSEADDR,
- (const char *)&reuse_addr, sizeof(reuse_addr));
- if (ret == -1) {
- fprintf(stderr, "setsockopt() failed\n");
- exit(1);
+#ifndef _WIN32
+ if (strstart(arg, "unix:", &p)) {
+ addr = (struct sockaddr *)&uaddr;
+ addrlen = sizeof(uaddr);
+
+ vs->lsock = socket(PF_UNIX, SOCK_STREAM, 0);
+ if (vs->lsock == -1) {
+ fprintf(stderr, "Could not create socket\n");
+ exit(1);
+ }
+
+ uaddr.sun_family = AF_UNIX;
+ memset(uaddr.sun_path, 0, 108);
+ snprintf(uaddr.sun_path, 108, "%s", p);
+
+ unlink(uaddr.sun_path);
+ } else
+#endif
+ {
+ addr = (struct sockaddr *)&iaddr;
+ addrlen = sizeof(iaddr);
+
+ vs->lsock = socket(PF_INET, SOCK_STREAM, 0);
+ if (vs->lsock == -1) {
+ fprintf(stderr, "Could not create socket\n");
+ exit(1);
+ }
+
+ if (parse_host_port(&iaddr, arg) < 0) {
+ fprintf(stderr, "Could not parse VNC address\n");
+ exit(1);
+ }
+
+ iaddr.sin_port = htons(ntohs(iaddr.sin_port) + 5900);
+
+ reuse_addr = 1;
+ ret = setsockopt(vs->lsock, SOL_SOCKET, SO_REUSEADDR,
+ (const char *)&reuse_addr, sizeof(reuse_addr));
+ if (ret == -1) {
+ fprintf(stderr, "setsockopt() failed\n");
+ exit(1);
+ }
}
- if (bind(vs->lsock, (struct sockaddr *)&addr, sizeof(addr)) == -1) {
+ if (bind(vs->lsock, addr, addrlen) == -1) {
fprintf(stderr, "bind() failed\n");
exit(1);
}
if (ret == -1) {
exit(1);
}
-
- vs->ds->data = NULL;
- vs->ds->dpy_update = vnc_dpy_update;
- vs->ds->dpy_resize = vnc_dpy_resize;
- vs->ds->dpy_refresh = vnc_dpy_refresh;
-
- memset(vs->dirty_row, 0xFF, sizeof(vs->dirty_row));
-
- vnc_dpy_resize(vs->ds, 640, 400);
}