[Qemu-devel] [PATCH v3 02/10] vnc: remove unused DisplayState parameter, add id instead.

[Gerd Hoffmann]

DisplayState isn't used anywhere, drop it.  Add the vnc server ID as
parameter instead, so it is possible to specify the server instance.

Signed-off-by: Gerd Hoffmann <kra...@redhat.com>
Reviewed-by: Gonglei <arei.gong...@huawei.com>
---
 include/ui/console.h | 16 ++++++++--------
 ui/vnc.c             | 29 ++++++++++++++---------------
 vl.c                 |  7 ++++---
 3 files changed, 26 insertions(+), 26 deletions(-)

diff --git a/include/ui/console.h b/include/ui/console.h
index 22ef8ca..5ff2e27 100644
--- a/include/ui/console.h
+++ b/include/ui/console.h
@@ -327,19 +327,19 @@ void sdl_display_init(DisplayState *ds, int full_screen, 
int no_frame);
 void cocoa_display_init(DisplayState *ds, int full_screen);
 
 /* vnc.c */
-void vnc_display_init(DisplayState *ds);
-void vnc_display_open(DisplayState *ds, const char *display, Error **errp);
-void vnc_display_add_client(DisplayState *ds, int csock, bool skipauth);
-char *vnc_display_local_addr(DisplayState *ds);
+void vnc_display_init(const char *id);
+void vnc_display_open(const char *id, const char *display, Error **errp);
+void vnc_display_add_client(const char *id, int csock, bool skipauth);
+char *vnc_display_local_addr(const char *id);
 #ifdef CONFIG_VNC
-int vnc_display_password(DisplayState *ds, const char *password);
-int vnc_display_pw_expire(DisplayState *ds, time_t expires);
+int vnc_display_password(const char *id, const char *password);
+int vnc_display_pw_expire(const char *id, time_t expires);
 #else
-static inline int vnc_display_password(DisplayState *ds, const char *password)
+static inline int vnc_display_password(const char *id, const char *password)
 {
     return -ENODEV;
 }
-static inline int vnc_display_pw_expire(DisplayState *ds, time_t expires)
+static inline int vnc_display_pw_expire(const char *id, time_t expires)
 {
     return -ENODEV;
 };
diff --git a/ui/vnc.c b/ui/vnc.c
index a6549c8..fce4861 100644
--- a/ui/vnc.c
+++ b/ui/vnc.c
@@ -2967,10 +2967,11 @@ static const DisplayChangeListenerOps dcl_ops = {
     .dpy_cursor_define = vnc_dpy_cursor_define,
 };
 
-void vnc_display_init(DisplayState *ds)
+void vnc_display_init(const char *id)
 {
     VncDisplay *vs = g_malloc0(sizeof(*vs));
 
+    vs->id = strdup(id);
     QTAILQ_INSERT_TAIL(&vnc_displays, vs, next);
 
     vs->lsock = -1;
@@ -2999,10 +3000,8 @@ void vnc_display_init(DisplayState *ds)
 }
 
 
-static void vnc_display_close(DisplayState *ds)
+static void vnc_display_close(VncDisplay *vs)
 {
-    VncDisplay *vs = vnc_display_find(NULL);
-
     if (!vs)
         return;
     g_free(vs->display);
@@ -3028,9 +3027,9 @@ static void vnc_display_close(DisplayState *ds)
 #endif
 }
 
-int vnc_display_password(DisplayState *ds, const char *password)
+int vnc_display_password(const char *id, const char *password)
 {
-    VncDisplay *vs = vnc_display_find(NULL);
+    VncDisplay *vs = vnc_display_find(id);
 
     if (!vs) {
         return -EINVAL;
@@ -3047,9 +3046,9 @@ int vnc_display_password(DisplayState *ds, const char 
*password)
     return 0;
 }
 
-int vnc_display_pw_expire(DisplayState *ds, time_t expires)
+int vnc_display_pw_expire(const char *id, time_t expires)
 {
-    VncDisplay *vs = vnc_display_find(NULL);
+    VncDisplay *vs = vnc_display_find(id);
 
     if (!vs) {
         return -EINVAL;
@@ -3059,16 +3058,16 @@ int vnc_display_pw_expire(DisplayState *ds, time_t 
expires)
     return 0;
 }
 
-char *vnc_display_local_addr(DisplayState *ds)
+char *vnc_display_local_addr(const char *id)
 {
-    VncDisplay *vs = vnc_display_find(NULL);
+    VncDisplay *vs = vnc_display_find(id);
 
     return vnc_socket_local_addr("%s:%s", vs->lsock);
 }
 
-void vnc_display_open(DisplayState *ds, const char *display, Error **errp)
+void vnc_display_open(const char *id, const char *display, Error **errp)
 {
-    VncDisplay *vs = vnc_display_find(NULL);
+    VncDisplay *vs = vnc_display_find(id);
     const char *options;
     int password = 0;
     int reverse = 0;
@@ -3088,7 +3087,7 @@ void vnc_display_open(DisplayState *ds, const char 
*display, Error **errp)
         error_setg(errp, "VNC display not active");
         return;
     }
-    vnc_display_close(ds);
+    vnc_display_close(vs);
     if (strcmp(display, "none") == 0)
         return;
 
@@ -3381,9 +3380,9 @@ fail:
 #endif /* CONFIG_VNC_WS */
 }
 
-void vnc_display_add_client(DisplayState *ds, int csock, bool skipauth)
+void vnc_display_add_client(const char *id, int csock, bool skipauth)
 {
-    VncDisplay *vs = vnc_display_find(NULL);
+    VncDisplay *vs = vnc_display_find(id);
 
     if (!vs) {
         return;
diff --git a/vl.c b/vl.c
index 113e98e..afb6212 100644
--- a/vl.c
+++ b/vl.c
@@ -4376,8 +4376,9 @@ int main(int argc, char **argv, char **envp)
     /* init remote displays */
     if (vnc_display) {
         Error *local_err = NULL;
-        vnc_display_init(ds);
-        vnc_display_open(ds, vnc_display, &local_err);
+        const char *id = "default";
+        vnc_display_init(id);
+        vnc_display_open(id, vnc_display, &local_err);
         if (local_err != NULL) {
             error_report("Failed to start VNC server on `%s': %s",
                          vnc_display, error_get_pretty(local_err));
@@ -4386,7 +4387,7 @@ int main(int argc, char **argv, char **envp)
         }
 
         if (show_vnc_port) {
-            printf("VNC server running on `%s'\n", vnc_display_local_addr(ds));
+            printf("VNC server running on `%s'\n", vnc_display_local_addr(id));
         }
     }
 #endif
-- 
1.8.3.1