info vnc command (Anthony Liguori)

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@2391 c046a42c-6fe2-441c-8c8c-71466251a162

monitor.c

@@ -1297,6 +1297,8 @@ static term_cmd_t info_cmds[] = {
       "", "show the currently saved VM snapshots" },
     { "mice", "", do_info_mice,
       "", "show which guest mouse is receiving events" },
+    { "vnc", "", do_info_vnc,
+      "", "show the vnc server status"},
     { NULL, NULL, },
 };
 

vl.h

@@ -909,6 +909,7 @@ void cocoa_display_init(DisplayState *ds, int full_screen);
 
 /* vnc.c */
 void vnc_display_init(DisplayState *ds, const char *display);
+void do_info_vnc(void);
 
 /* x_keymap.c */
 extern uint8_t _translate_keycode(const int key);

vnc.c

@@ -73,6 +73,8 @@ struct VncState
     int last_x;
     int last_y;
 
+    const char *display;
+
     Buffer output;
     Buffer input;
     kbd_layout_t *kbd_layout;
@@ -90,6 +92,24 @@ struct VncState
     uint8_t modifiers_state[256];
 };
 
+static VncState *vnc_state; /* needed for info vnc */
+
+void do_info_vnc(void)
+{
+    if (vnc_state == NULL)
+	term_printf("VNC server disabled\n");
+    else {
+	term_printf("VNC server active on: ");
+	term_print_filename(vnc_state->display);
+	term_printf("\n");
+
+	if (vnc_state->csock == -1)
+	    term_printf("No client connected\n");
+	else
+	    term_printf("Client connected\n");
+    }
+}
+
 /* TODO
    1) Get the queue working for IO.
    2) there is some weirdness when using the -S option (the screen is grey
@@ -1150,6 +1170,8 @@ void vnc_display_init(DisplayState *ds, const char *arg)
 	exit(1);
 
     ds->opaque = vs;
+    vnc_state = vs;
+    vs->display = arg;
 
     vs->lsock = -1;
     vs->csock = -1;