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[Xen-changelog] [xen-unstable] libxl: define libxl_vnc_info to hold all info about the vnc info



# HG changeset patch
# User Ian Campbell <ian.campbell@xxxxxxxxxx>
# Date 1328020859 0
# Node ID b1580167b3b255072395a75976d9da216e725ef6
# Parent  88b630f0406e026f8aa958f9f5130b4a07e0d134
libxl: define libxl_vnc_info to hold all info about the vnc info

Reduces duplication in libxl_vfb and libxl_device_model.

Updated bindings but the python ones in particular are unlikely to be useful
until a user presents itself and fixes them up.

Signed-off-by: Ian Campbell <ian.campbell@xxxxxxxxxx>
Acked-by: Ian Jackson <ian.jackson@xxxxxxxxxxxxx>
Committed-by: Ian Jackson <Ian.Jackson@xxxxxxxxxxxxx>
---


diff -r 88b630f0406e -r b1580167b3b2 tools/libxl/libxl.c
--- a/tools/libxl/libxl.c       Tue Jan 31 14:40:08 2012 +0000
+++ b/tools/libxl/libxl.c       Tue Jan 31 14:40:59 2012 +0000
@@ -2190,11 +2190,11 @@
     memset(vfb, 0x00, sizeof(libxl_device_vfb));
     vfb->display = NULL;
     vfb->xauthority = NULL;
-    vfb->vnc = 1;
-    vfb->vncpasswd = NULL;
-    vfb->vnclisten = strdup("127.0.0.1");
-    vfb->vncdisplay = 0;
-    vfb->vncunused = 1;
+    vfb->vnc.enable = 1;
+    vfb->vnc.passwd = NULL;
+    vfb->vnc.listen = strdup("127.0.0.1");
+    vfb->vnc.display = 0;
+    vfb->vnc.findunused = 1;
     vfb->keymap = NULL;
     vfb->sdl = 0;
     vfb->opengl = 0;
@@ -2240,11 +2240,14 @@
     flexarray_append_pair(back, "online", "1");
     flexarray_append_pair(back, "state", libxl__sprintf(gc, "%d", 1));
     flexarray_append_pair(back, "domain", libxl__domid_to_name(gc, domid));
-    flexarray_append_pair(back, "vnc", libxl__sprintf(gc, "%d", vfb->vnc));
-    flexarray_append_pair(back, "vnclisten", vfb->vnclisten);
-    flexarray_append_pair(back, "vncpasswd", vfb->vncpasswd);
-    flexarray_append_pair(back, "vncdisplay", libxl__sprintf(gc, "%d", 
vfb->vncdisplay));
-    flexarray_append_pair(back, "vncunused", libxl__sprintf(gc, "%d", 
vfb->vncunused));
+    flexarray_append_pair(back, "vnc",
+                          libxl__sprintf(gc, "%d", vfb->vnc.enable));
+    flexarray_append_pair(back, "vnclisten", vfb->vnc.listen);
+    flexarray_append_pair(back, "vncpasswd", vfb->vnc.passwd);
+    flexarray_append_pair(back, "vncdisplay",
+                          libxl__sprintf(gc, "%d", vfb->vnc.display));
+    flexarray_append_pair(back, "vncunused",
+                          libxl__sprintf(gc, "%d", vfb->vnc.findunused));
     flexarray_append_pair(back, "sdl", libxl__sprintf(gc, "%d", vfb->sdl));
     flexarray_append_pair(back, "opengl", libxl__sprintf(gc, "%d", 
vfb->opengl));
     if (vfb->xauthority) {
diff -r 88b630f0406e -r b1580167b3b2 tools/libxl/libxl_create.c
--- a/tools/libxl/libxl_create.c        Tue Jan 31 14:40:08 2012 +0000
+++ b/tools/libxl/libxl_create.c        Tue Jan 31 14:40:59 2012 +0000
@@ -129,10 +129,10 @@
     dm_info->vcpu_avail = b_info->cur_vcpus;
 
     dm_info->stdvga = 0;
-    dm_info->vnc = 1;
-    dm_info->vnclisten = strdup("127.0.0.1");
-    dm_info->vncdisplay = 0;
-    dm_info->vncunused = 1;
+    dm_info->vnc.enable = 1;
+    dm_info->vnc.listen = strdup("127.0.0.1");
+    dm_info->vnc.display = 0;
+    dm_info->vnc.findunused = 1;
     dm_info->keymap = NULL;
     dm_info->sdl = 0;
     dm_info->opengl = 0;
diff -r 88b630f0406e -r b1580167b3b2 tools/libxl/libxl_dm.c
--- a/tools/libxl/libxl_dm.c    Tue Jan 31 14:40:08 2012 +0000
+++ b/tools/libxl/libxl_dm.c    Tue Jan 31 14:40:59 2012 +0000
@@ -92,31 +92,31 @@
     if (info->dom_name)
         flexarray_vappend(dm_args, "-domain-name", info->dom_name, NULL);
 
-    if (info->vnc) {
+    if (info->vnc.enable) {
         char *vncarg;
-        if (info->vncdisplay) {
-            if (info->vnclisten && strchr(info->vnclisten, ':') == NULL) {
+        if (info->vnc.display) {
+            if (info->vnc.listen && strchr(info->vnc.listen, ':') == NULL) {
                 vncarg = libxl__sprintf(gc, "%s:%d",
-                                  info->vnclisten,
-                                  info->vncdisplay);
+                                  info->vnc.listen,
+                                  info->vnc.display);
             } else {
-                vncarg = libxl__sprintf(gc, "127.0.0.1:%d", info->vncdisplay);
+                vncarg = libxl__sprintf(gc, "127.0.0.1:%d", info->vnc.display);
             }
-        } else if (info->vnclisten) {
-            if (strchr(info->vnclisten, ':') != NULL) {
-                vncarg = info->vnclisten;
+        } else if (info->vnc.listen) {
+            if (strchr(info->vnc.listen, ':') != NULL) {
+                vncarg = info->vnc.listen;
             } else {
-                vncarg = libxl__sprintf(gc, "%s:0", info->vnclisten);
+                vncarg = libxl__sprintf(gc, "%s:0", info->vnc.listen);
             }
         } else {
             vncarg = "127.0.0.1:0";
         }
-        if (info->vncpasswd && (info->vncpasswd[0] != '\0'))
+        if (info->vnc.passwd && (info->vnc.passwd[0] != '\0'))
             vncarg = libxl__sprintf(gc, "%s,password", vncarg);
         flexarray_append(dm_args, "-vnc");
         flexarray_append(dm_args, vncarg);
 
-        if (info->vncunused) {
+        if (info->vnc.findunused) {
             flexarray_append(dm_args, "-vncunused");
         }
     }
@@ -129,7 +129,7 @@
     if (info->keymap) {
         flexarray_vappend(dm_args, "-k", info->keymap, NULL);
     }
-    if (info->nographic && (!info->sdl && !info->vnc)) {
+    if (info->nographic && (!info->sdl && !info->vnc.enable)) {
         flexarray_append(dm_args, "-nographic");
     }
     if (info->serial) {
@@ -260,32 +260,32 @@
     if (info->dom_name) {
         flexarray_vappend(dm_args, "-name", info->dom_name, NULL);
     }
-    if (info->vnc) {
+    if (info->vnc.enable) {
         int display = 0;
         const char *listen = "127.0.0.1";
 
-        if (info->vncpasswd && info->vncpasswd[0]) {
+        if (info->vnc.passwd && info->vnc.passwd[0]) {
             assert(!"missing code for supplying vnc password to qemu");
         }
         flexarray_append(dm_args, "-vnc");
 
-        if (info->vncdisplay) {
-            display = info->vncdisplay;
-            if (info->vnclisten && strchr(info->vnclisten, ':') == NULL) {
-                listen = info->vnclisten;
+        if (info->vnc.display) {
+            display = info->vnc.display;
+            if (info->vnc.listen && strchr(info->vnc.listen, ':') == NULL) {
+                listen = info->vnc.listen;
             }
-        } else if (info->vnclisten) {
-            listen = info->vnclisten;
+        } else if (info->vnc.listen) {
+            listen = info->vnc.listen;
         }
 
         if (strchr(listen, ':') != NULL)
             flexarray_append(dm_args,
                     libxl__sprintf(gc, "%s%s", listen,
-                        info->vncunused ? ",to=99" : ""));
+                        info->vnc.findunused ? ",to=99" : ""));
         else
             flexarray_append(dm_args,
                     libxl__sprintf(gc, "%s:%d%s", listen, display,
-                        info->vncunused ? ",to=99" : ""));
+                        info->vnc.findunused ? ",to=99" : ""));
     }
     if (info->sdl) {
         flexarray_append(dm_args, "-sdl");
@@ -335,7 +335,7 @@
     if (info->keymap) {
         flexarray_vappend(dm_args, "-k", info->keymap, NULL);
     }
-    if (info->nographic && (!info->sdl && !info->vnc)) {
+    if (info->nographic && (!info->sdl && !info->vnc.enable)) {
         flexarray_append(dm_args, "-nographic");
     }
     if (info->serial) {
@@ -524,10 +524,6 @@
     vfb->backend_domid = 0;
     vfb->devid = 0;
     vfb->vnc = info->vnc;
-    vfb->vnclisten = info->vnclisten;
-    vfb->vncdisplay = info->vncdisplay;
-    vfb->vncunused = info->vncunused;
-    vfb->vncpasswd = info->vncpasswd;
     vfb->keymap = info->keymap;
     vfb->sdl = info->sdl;
     vfb->opengl = info->opengl;
@@ -851,7 +847,7 @@
         goto out_close;
     }
 
-    if (info->vncpasswd) {
+    if (info->vnc.passwd) {
 retry_transaction:
         /* Find uuid and the write the vnc password to xenstore for qemu. */
         t = xs_transaction_start(ctx->xsh);
@@ -860,7 +856,7 @@
             /* Now write the vncpassword into it. */
             pass_stuff = libxl__calloc(gc, 3, sizeof(char *));
             pass_stuff[0] = "vncpasswd";
-            pass_stuff[1] = info->vncpasswd;
+            pass_stuff[1] = info->vnc.passwd;
             libxl__xs_writev(gc,t,vm_path,pass_stuff);
             if (!xs_transaction_end(ctx->xsh, t, 0))
                 if (errno == EAGAIN)
@@ -975,13 +971,13 @@
     libxl_ctx *ctx = libxl__gc_owner(gc);
 
     if (vfb != NULL) {
-        info->vnc = vfb->vnc;
-        if (vfb->vnclisten)
-            info->vnclisten = libxl__strdup(gc, vfb->vnclisten);
-        info->vncdisplay = vfb->vncdisplay;
-        info->vncunused = vfb->vncunused;
-        if (vfb->vncpasswd)
-            info->vncpasswd = vfb->vncpasswd;
+        info->vnc.enable = vfb->vnc.enable;
+        if (vfb->vnc.listen)
+            info->vnc.listen = libxl__strdup(gc, vfb->vnc.listen);
+        info->vnc.display = vfb->vnc.display;
+        info->vnc.findunused = vfb->vnc.findunused;
+        if (vfb->vnc.passwd)
+            info->vnc.passwd = vfb->vnc.passwd;
         if (vfb->keymap)
             info->keymap = libxl__strdup(gc, vfb->keymap);
         info->sdl = vfb->sdl;
diff -r 88b630f0406e -r b1580167b3b2 tools/libxl/libxl_types.idl
--- a/tools/libxl/libxl_types.idl       Tue Jan 31 14:40:08 2012 +0000
+++ b/tools/libxl/libxl_types.idl       Tue Jan 31 14:40:59 2012 +0000
@@ -90,6 +90,16 @@
 #
 # Complex libxl types
 #
+libxl_vnc_info = Struct("vnc_info", [
+    ("enable",        bool),
+    # "address:port" that should be listened on
+    ("listen",        string),
+    ("passwd",        string),
+    ("display",       integer),
+    # If set then try to find an unused port
+    ("findunused",    bool),
+    ])
+
 libxl_dominfo = Struct("dominfo",[
     ("uuid",        libxl_uuid),
     ("domid",       libxl_domid),
@@ -218,14 +228,7 @@
     # size of the videoram in MB
     ("videoram",         integer), 
     ("stdvga",           bool),
-    ("vnc",              bool),
-    # "address:port" that should be listened on for the VNC server
-    ("vnclisten",        string),
-    ("vncpasswd",        string),
-    # VNC display number
-    ("vncdisplay",       integer),
-    # If set then try to find an unused port for the VNC server
-    ("vncunused",        bool),
+    ("vnc",              libxl_vnc_info),
     # keyboard layout, default is en-us keyboard
     ("keymap",           string),
     ("sdl",              bool),
@@ -264,12 +267,7 @@
 libxl_device_vfb = Struct("device_vfb", [
     ("backend_domid", libxl_domid),
     ("devid",         integer),
-    ("vnc",           bool),
-    # address:port that should be listened on for the VNC server if vnc is set
-    ("vnclisten",     string),
-    ("vncpasswd",     string),
-    ("vncdisplay",    integer),
-    ("vncunused",     bool),
+    ("vnc",           libxl_vnc_info),
     # set keyboard layout, default is en-us keyboard
     ("keymap",        string),
     ("sdl",           bool),
diff -r 88b630f0406e -r b1580167b3b2 tools/libxl/xl_cmdimpl.c
--- a/tools/libxl/xl_cmdimpl.c  Tue Jan 31 14:40:08 2012 +0000
+++ b/tools/libxl/xl_cmdimpl.c  Tue Jan 31 14:40:59 2012 +0000
@@ -367,10 +367,10 @@
         printf("\t\t\t(device_model %s)\n", dm_info->device_model ? : 
"default");
         printf("\t\t\t(videoram %d)\n", dm_info->videoram);
         printf("\t\t\t(stdvga %d)\n", dm_info->stdvga);
-        printf("\t\t\t(vnc %d)\n", dm_info->vnc);
-        printf("\t\t\t(vnclisten %s)\n", dm_info->vnclisten);
-        printf("\t\t\t(vncdisplay %d)\n", dm_info->vncdisplay);
-        printf("\t\t\t(vncunused %d)\n", dm_info->vncunused);
+        printf("\t\t\t(vnc %d)\n", dm_info->vnc.enable);
+        printf("\t\t\t(vnclisten %s)\n", dm_info->vnc.listen);
+        printf("\t\t\t(vncdisplay %d)\n", dm_info->vnc.display);
+        printf("\t\t\t(vncunused %d)\n", dm_info->vnc.findunused);
         printf("\t\t\t(keymap %s)\n", dm_info->keymap);
         printf("\t\t\t(sdl %d)\n", dm_info->sdl);
         printf("\t\t\t(gfx_passthru %d)\n", dm_info->gfx_passthru);
@@ -457,10 +457,10 @@
         printf("\t\t\t(backend_domid %d)\n", d_config->vfbs[i].backend_domid);
         printf("\t\t\t(frontend_domid %d)\n", domid);
         printf("\t\t\t(devid %d)\n", d_config->vfbs[i].devid);
-        printf("\t\t\t(vnc %d)\n", d_config->vfbs[i].vnc);
-        printf("\t\t\t(vnclisten %s)\n", d_config->vfbs[i].vnclisten);
-        printf("\t\t\t(vncdisplay %d)\n", d_config->vfbs[i].vncdisplay);
-        printf("\t\t\t(vncunused %d)\n", d_config->vfbs[i].vncunused);
+        printf("\t\t\t(vnc %d)\n", d_config->vfbs[i].vnc.enable);
+        printf("\t\t\t(vnclisten %s)\n", d_config->vfbs[i].vnc.listen);
+        printf("\t\t\t(vncdisplay %d)\n", d_config->vfbs[i].vnc.display);
+        printf("\t\t\t(vncunused %d)\n", d_config->vfbs[i].vnc.findunused);
         printf("\t\t\t(keymap %s)\n", d_config->vfbs[i].keymap);
         printf("\t\t\t(sdl %d)\n", d_config->vfbs[i].sdl);
         printf("\t\t\t(opengl %d)\n", d_config->vfbs[i].opengl);
@@ -1045,17 +1045,17 @@
                     break;
                 *p2 = '\0';
                 if (!strcmp(p, "vnc")) {
-                    vfb->vnc = atoi(p2 + 1);
+                    vfb->vnc.enable = atoi(p2 + 1);
                 } else if (!strcmp(p, "vnclisten")) {
-                    free(vfb->vnclisten);
-                    vfb->vnclisten = strdup(p2 + 1);
+                    free(vfb->vnc.listen);
+                    vfb->vnc.listen = strdup(p2 + 1);
                 } else if (!strcmp(p, "vncpasswd")) {
-                    free(vfb->vncpasswd);
-                    vfb->vncpasswd = strdup(p2 + 1);
+                    free(vfb->vnc.passwd);
+                    vfb->vnc.passwd = strdup(p2 + 1);
                 } else if (!strcmp(p, "vncdisplay")) {
-                    vfb->vncdisplay = atoi(p2 + 1);
+                    vfb->vnc.display = atoi(p2 + 1);
                 } else if (!strcmp(p, "vncunused")) {
-                    vfb->vncunused = atoi(p2 + 1);
+                    vfb->vnc.findunused = atoi(p2 + 1);
                 } else if (!strcmp(p, "keymap")) {
                     free(vfb->keymap);
                     vfb->keymap = strdup(p2 + 1);
@@ -1262,13 +1262,13 @@
         if (!xlu_cfg_get_long (config, "stdvga", &l, 0))
             dm_info->stdvga = l;
         if (!xlu_cfg_get_long (config, "vnc", &l, 0))
-            dm_info->vnc = l;
-        xlu_cfg_replace_string (config, "vnclisten", &dm_info->vnclisten, 0);
-        xlu_cfg_replace_string (config, "vncpasswd", &dm_info->vncpasswd, 0);
+            dm_info->vnc.enable = l;
+        xlu_cfg_replace_string (config, "vnclisten", &dm_info->vnc.listen, 0);
+        xlu_cfg_replace_string (config, "vncpasswd", &dm_info->vnc.passwd, 0);
         if (!xlu_cfg_get_long (config, "vncdisplay", &l, 0))
-            dm_info->vncdisplay = l;
+            dm_info->vnc.display = l;
         if (!xlu_cfg_get_long (config, "vncunused", &l, 0))
-            dm_info->vncunused = l;
+            dm_info->vnc.findunused = l;
         xlu_cfg_replace_string (config, "keymap", &dm_info->keymap, 0);
         if (!xlu_cfg_get_long (config, "sdl", &l, 0))
             dm_info->sdl = l;
diff -r 88b630f0406e -r b1580167b3b2 tools/python/genwrap.py
--- a/tools/python/genwrap.py   Tue Jan 31 14:40:08 2012 +0000
+++ b/tools/python/genwrap.py   Tue Jan 31 14:40:59 2012 +0000
@@ -4,7 +4,7 @@
 
 import libxltypes
 
-(TYPE_BOOL, TYPE_INT, TYPE_UINT, TYPE_STRING) = range(4)
+(TYPE_BOOL, TYPE_INT, TYPE_UINT, TYPE_STRING, TYPE_AGGREGATE) = range(5)
 
 def py_type(ty):
     if ty == libxltypes.bool:
@@ -16,6 +16,8 @@
             return TYPE_INT
         else:
             return TYPE_UINT
+    if isinstance(ty, libxltypes.Aggregate):
+        return TYPE_AGGREGATE
     if ty == libxltypes.string:
         return TYPE_STRING
     return None
@@ -66,6 +68,9 @@
         l.append('    return genwrap__ull_get(self->obj.%s);'%f.name)
     elif t == TYPE_STRING:
         l.append('    return genwrap__string_get(&self->obj.%s);'%f.name)
+    elif t == TYPE_AGGREGATE:
+        l.append('    PyErr_SetString(PyExc_NotImplementedError, "Getting 
%s");'%ty.typename)
+        l.append('    return NULL;')
     else:
         tn = f.type.typename
         l.append('    return attrib__%s_get((%s 
*)&self->obj.%s);'%(fsanitize(tn), tn, f.name))
@@ -92,6 +97,9 @@
         l.append('    return ret;')
     elif t == TYPE_STRING:
         l.append('    return genwrap__string_set(v, &self->obj.%s);'%f.name)
+    elif t == TYPE_AGGREGATE:
+        l.append('    PyErr_SetString(PyExc_NotImplementedError, "Setting 
%s");'%ty.typename)
+        l.append('    return -1;')
     else:
         tn = f.type.typename
         l.append('    return attrib__%s_set(v, (%s 
*)&self->obj.%s);'%(fsanitize(tn), tn, f.name))

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