use virDomainGraphicsGetListen instead of the other getters

There is no point the use two different getters on the same listen
structure few lines apart.
Signed-off-by: NPavel Hrdina <phrdina@redhat.com>

src/libxl/libxl_conf.c

@@ -1424,7 +1424,7 @@ libxlMakeVfb(virPortAllocatorPtr graphicsports,
              libxl_device_vfb *x_vfb)
 {
     unsigned short port;
-    const char *listenAddr;
+    virDomainGraphicsListenDefPtr listen = NULL;
 
     libxl_device_vfb_init(x_vfb);
 
@@ -1451,11 +1451,11 @@ libxlMakeVfb(virPortAllocatorPtr graphicsports,
             }
             x_vfb->vnc.display = l_vfb->data.vnc.port - LIBXL_VNC_PORT_MIN;
 
-            listenAddr = virDomainGraphicsListenGetAddress(l_vfb, 0);
-            if (listenAddr) {
+            if ((listen = virDomainGraphicsGetListen(l_vfb, 0)) &&
+                listen->address) {
                 /* libxl_device_vfb_init() does VIR_STRDUP("127.0.0.1") */
                 VIR_FREE(x_vfb->vnc.listen);
-                if (VIR_STRDUP(x_vfb->vnc.listen, listenAddr) < 0)
+                if (VIR_STRDUP(x_vfb->vnc.listen, listen->address) < 0)
                     return -1;
             }
             if (VIR_STRDUP(x_vfb->vnc.passwd, l_vfb->data.vnc.auth.passwd) < 0)
@@ -1539,7 +1539,7 @@ libxlMakeBuildInfoVfb(virPortAllocatorPtr graphicsports,
     for (i = 0; i < def->ngraphics; i++) {
         virDomainGraphicsDefPtr l_vfb = def->graphics[i];
         unsigned short port;
-        const char *listenAddr;
+        virDomainGraphicsListenDefPtr listen = NULL;
 
         if (l_vfb->type != VIR_DOMAIN_GRAPHICS_TYPE_SPICE)
             continue;
@@ -1553,8 +1553,9 @@ libxlMakeBuildInfoVfb(virPortAllocatorPtr graphicsports,
         }
         b_info->u.hvm.spice.port = l_vfb->data.spice.port;
 
-        listenAddr = virDomainGraphicsListenGetAddress(l_vfb, 0);
-        if (VIR_STRDUP(b_info->u.hvm.spice.host, listenAddr) < 0)
+        if ((listen = virDomainGraphicsGetListen(l_vfb, 0)) &&
+            listen->address &&
+            VIR_STRDUP(b_info->u.hvm.spice.host, listen->address) < 0)
             return -1;
 
         if (VIR_STRDUP(b_info->u.hvm.keymap, l_vfb->data.spice.keymap) < 0)

src/qemu/qemu_command.c

@@ -7219,7 +7219,7 @@ qemuBuildGraphicsVNCCommandLine(virQEMUDriverConfigPtr cfg,
                                 const char *domainLibDir)
 {
     virBuffer opt = VIR_BUFFER_INITIALIZER;
-    const char *listenNetwork;
+    virDomainGraphicsListenDefPtr listen = NULL;
     const char *listenAddr = NULL;
     char *netAddr = NULL;
     bool escapeAddr;
@@ -7248,31 +7248,34 @@ qemuBuildGraphicsVNCCommandLine(virQEMUDriverConfigPtr cfg,
             goto error;
         }
 
-        switch (virDomainGraphicsListenGetType(graphics, 0)) {
-        case VIR_DOMAIN_GRAPHICS_LISTEN_TYPE_ADDRESS:
-            listenAddr = virDomainGraphicsListenGetAddress(graphics, 0);
-            break;
+        if ((listen = virDomainGraphicsGetListen(graphics, 0))) {
 
-        case VIR_DOMAIN_GRAPHICS_LISTEN_TYPE_NETWORK:
-            listenNetwork = virDomainGraphicsListenGetNetwork(graphics, 0);
-            if (!listenNetwork)
+            switch (listen->type) {
+            case VIR_DOMAIN_GRAPHICS_LISTEN_TYPE_ADDRESS:
+                listenAddr = listen->address;
                 break;
-            ret = networkGetNetworkAddress(listenNetwork, &netAddr);
-            if (ret <= -2) {
-                virReportError(VIR_ERR_CONFIG_UNSUPPORTED,
-                               "%s", _("network-based listen not possible, "
-                                       "network driver not present"));
-                goto error;
-            }
-            if (ret < 0)
-                goto error;
 
-            listenAddr = netAddr;
-            /* store the address we found in the <graphics> element so it
-             * will show up in status. */
-            if (VIR_STRDUP(graphics->listens[0].address, listenAddr) < 0)
-                goto error;
-            break;
+            case VIR_DOMAIN_GRAPHICS_LISTEN_TYPE_NETWORK:
+                if (!listen->network)
+                    break;
+
+                ret = networkGetNetworkAddress(listen->network, &netAddr);
+                if (ret <= -2) {
+                    virReportError(VIR_ERR_CONFIG_UNSUPPORTED,
+                                   "%s", _("network-based listen not possible, "
+                                           "network driver not present"));
+                    goto error;
+                }
+                if (ret < 0)
+                    goto error;
+
+                listenAddr = netAddr;
+                /* store the address we found in the <graphics> element so it
+                 * will show up in status. */
+                if (VIR_STRDUP(listen->address, netAddr) < 0)
+                    goto error;
+                break;
+            }
         }
 
         if (!listenAddr)
@@ -7363,7 +7366,7 @@ qemuBuildGraphicsSPICECommandLine(virQEMUDriverConfigPtr cfg,
                                   virDomainGraphicsDefPtr graphics)
 {
     virBuffer opt = VIR_BUFFER_INITIALIZER;
-    const char *listenNetwork;
+    virDomainGraphicsListenDefPtr listen = NULL;
     const char *listenAddr = NULL;
     char *netAddr = NULL;
     int ret;
@@ -7402,31 +7405,34 @@ qemuBuildGraphicsSPICECommandLine(virQEMUDriverConfigPtr cfg,
     }
 
     if (port > 0 || tlsPort > 0) {
-        switch (virDomainGraphicsListenGetType(graphics, 0)) {
-        case VIR_DOMAIN_GRAPHICS_LISTEN_TYPE_ADDRESS:
-            listenAddr = virDomainGraphicsListenGetAddress(graphics, 0);
-            break;
+        if ((listen = virDomainGraphicsGetListen(graphics, 0))) {
 
-        case VIR_DOMAIN_GRAPHICS_LISTEN_TYPE_NETWORK:
-            listenNetwork = virDomainGraphicsListenGetNetwork(graphics, 0);
-            if (!listenNetwork)
+            switch (listen->type) {
+            case VIR_DOMAIN_GRAPHICS_LISTEN_TYPE_ADDRESS:
+                listenAddr = listen->address;
                 break;
-            ret = networkGetNetworkAddress(listenNetwork, &netAddr);
-            if (ret <= -2) {
-                virReportError(VIR_ERR_CONFIG_UNSUPPORTED,
-                               "%s", _("network-based listen not possible, "
-                                       "network driver not present"));
-                goto error;
-            }
-            if (ret < 0)
-                goto error;
 
-            listenAddr = netAddr;
-            /* store the address we found in the <graphics> element so it will
-             * show up in status. */
-            if (VIR_STRDUP(graphics->listens[0].address, listenAddr) < 0)
-               goto error;
-            break;
+            case VIR_DOMAIN_GRAPHICS_LISTEN_TYPE_NETWORK:
+                if (!listen->network)
+                    break;
+
+                ret = networkGetNetworkAddress(listen->network, &netAddr);
+                if (ret <= -2) {
+                    virReportError(VIR_ERR_CONFIG_UNSUPPORTED,
+                                   "%s", _("network-based listen not possible, "
+                                           "network driver not present"));
+                    goto error;
+                }
+                if (ret < 0)
+                    goto error;
+
+                listenAddr = netAddr;
+                /* store the address we found in the <graphics> element so it will
+                 * show up in status. */
+                if (VIR_STRDUP(listen->address, listenAddr) < 0)
+                    goto error;
+                break;
+            }
         }
 
         if (!listenAddr)

src/qemu/qemu_migration.c

@@ -314,6 +314,7 @@ qemuMigrationCookieGraphicsAlloc(virQEMUDriverPtr driver,
 {
     qemuMigrationCookieGraphicsPtr mig = NULL;
     const char *listenAddr;
+    virDomainGraphicsListenDefPtr listen = virDomainGraphicsGetListen(def, 0);
     virQEMUDriverConfigPtr cfg = virQEMUDriverGetConfig(driver);
 
     if (VIR_ALLOC(mig) < 0)
@@ -322,8 +323,8 @@ qemuMigrationCookieGraphicsAlloc(virQEMUDriverPtr driver,
     mig->type = def->type;
     if (mig->type == VIR_DOMAIN_GRAPHICS_TYPE_VNC) {
         mig->port = def->data.vnc.port;
-        listenAddr = virDomainGraphicsListenGetAddress(def, 0);
-        if (!listenAddr)
+
+        if (!listen || !(listenAddr = listen->address))
             listenAddr = cfg->vncListen;
 
 #ifdef WITH_GNUTLS
@@ -337,8 +338,8 @@ qemuMigrationCookieGraphicsAlloc(virQEMUDriverPtr driver,
             mig->tlsPort = def->data.spice.tlsPort;
         else
             mig->tlsPort = -1;
-        listenAddr = virDomainGraphicsListenGetAddress(def, 0);
-        if (!listenAddr)
+
+        if (!listen || !(listenAddr = listen->address))
             listenAddr = cfg->spiceListen;
 
 #ifdef WITH_GNUTLS

src/vbox/vbox_common.c

@@ -1578,6 +1578,7 @@ vboxAttachDisplay(virDomainDefPtr def, vboxGlobalData *data, IMachine *machine)
     char *guiDisplay = NULL;
     char *sdlDisplay = NULL;
     size_t i = 0;
+    virDomainGraphicsListenDefPtr listen;
 
     for (i = 0; i < def->ngraphics; i++) {
         IVRDxServer *VRDxServer = NULL;
@@ -1588,9 +1589,6 @@ vboxAttachDisplay(virDomainDefPtr def, vboxGlobalData *data, IMachine *machine)
             vrdpPresent = 1;
             gVBoxAPI.UIMachine.GetVRDxServer(machine, &VRDxServer);
             if (VRDxServer) {
-                const char *listenAddr
-                    = virDomainGraphicsListenGetAddress(def->graphics[i], 0);
-
                 gVBoxAPI.UIVRDxServer.SetEnabled(VRDxServer, PR_TRUE);
                 VIR_DEBUG("VRDP Support turned ON.");
 
@@ -1608,14 +1606,15 @@ vboxAttachDisplay(virDomainDefPtr def, vboxGlobalData *data, IMachine *machine)
                     VIR_DEBUG("VRDP set to allow multiple connection");
                 }
 
-                if (listenAddr) {
+                if ((listen = virDomainGraphicsGetListen(def->graphics[i], 0)) &&
+                    listen->address) {
                     PRUnichar *netAddressUtf16 = NULL;
 
-                    VBOX_UTF8_TO_UTF16(listenAddr, &netAddressUtf16);
+                    VBOX_UTF8_TO_UTF16(listen->address, &netAddressUtf16);
                     gVBoxAPI.UIVRDxServer.SetNetAddress(data, VRDxServer,
                                                         netAddressUtf16);
                     VIR_DEBUG("VRDP listen address is set to: %s",
-                              listenAddr);
+                              listen->address);
 
                     VBOX_UTF16_FREE(netAddressUtf16);
                 }

src/vmx/vmx.c

@@ -3403,7 +3403,7 @@ virVMXFormatConfig(virVMXContext *ctx, virDomainXMLOptionPtr xmlopt, virDomainDe
 int
 virVMXFormatVNC(virDomainGraphicsDefPtr def, virBufferPtr buffer)
 {
-    const char *listenAddr;
+    virDomainGraphicsListenDefPtr listen;
 
     if (def->type != VIR_DOMAIN_GRAPHICS_TYPE_VNC) {
         virReportError(VIR_ERR_INTERNAL_ERROR, "%s", _("Invalid argument"));
@@ -3425,9 +3425,10 @@ virVMXFormatVNC(virDomainGraphicsDefPtr def, virBufferPtr buffer)
                           def->data.vnc.port);
     }
 
-    if ((listenAddr = virDomainGraphicsListenGetAddress(def, 0))) {
+    if ((listen = virDomainGraphicsGetListen(def, 0)) &&
+        listen->address) {
         virBufferAsprintf(buffer, "RemoteDisplay.vnc.ip = \"%s\"\n",
-                          listenAddr);
+                          listen->address);
     }
 
     if (def->data.vnc.keymap != NULL) {

src/vz/vz_sdk.c

@@ -2478,7 +2478,7 @@ static int prlsdkCheckGraphicsUnsupportedParams(virDomainDefPtr def)
     }
 
     if (gr->nListens == 1 &&
-        virDomainGraphicsListenGetType(gr, 0) != VIR_DOMAIN_GRAPHICS_LISTEN_TYPE_ADDRESS) {
+        gr->listens[0].type != VIR_DOMAIN_GRAPHICS_LISTEN_TYPE_ADDRESS) {
         virReportError(VIR_ERR_INVALID_ARG, "%s",
                        _("vz driver supports only address-based VNC listening"));
         return -1;
@@ -2712,9 +2712,9 @@ static int prlsdkCheckFSUnsupportedParams(virDomainFSDefPtr fs)
 static int prlsdkApplyGraphicsParams(PRL_HANDLE sdkdom, virDomainDefPtr def)
 {
     virDomainGraphicsDefPtr gr;
+    virDomainGraphicsListenDefPtr listen;
     PRL_RESULT pret;
     int ret  = -1;
-    const char *listenAddr = NULL;
 
     if (prlsdkCheckGraphicsUnsupportedParams(def))
         return -1;
@@ -2735,11 +2735,10 @@ static int prlsdkApplyGraphicsParams(PRL_HANDLE sdkdom, virDomainDefPtr def)
         prlsdkCheckRetGoto(pret, cleanup);
     }
 
-    if (gr->nListens == 1) {
-        listenAddr = virDomainGraphicsListenGetAddress(gr, 0);
-        if (!listenAddr)
+    if ((listen = virDomainGraphicsGetListen(gr, 0))) {
+        if (!listen->address)
             goto cleanup;
-        pret = PrlVmCfg_SetVNCHostName(sdkdom, listenAddr);
+        pret = PrlVmCfg_SetVNCHostName(sdkdom, listen->address);
         prlsdkCheckRetGoto(pret, cleanup);
     }
 

src/xenconfig/xen_common.c

@@ -1628,7 +1628,7 @@ xenFormatVfb(virConfPtr conf, virDomainDefPtr def)
                                        def->graphics[0]->data.sdl.xauth) < 0)
                     return -1;
             } else {
-                const char *listenAddr;
+                virDomainGraphicsListenDefPtr listen;
 
                 if (xenConfigSetInt(conf, "sdl", 0) < 0)
                     return -1;
@@ -1645,9 +1645,9 @@ xenFormatVfb(virConfPtr conf, virDomainDefPtr def)
                                     def->graphics[0]->data.vnc.port - 5900) < 0)
                     return -1;
 
-                listenAddr = virDomainGraphicsListenGetAddress(def->graphics[0], 0);
-                if (listenAddr &&
-                    xenConfigSetString(conf, "vnclisten", listenAddr) < 0)
+                if ((listen = virDomainGraphicsGetListen(def->graphics[0], 0)) &&
+                    listen->address &&
+                    xenConfigSetString(conf, "vnclisten", listen->address) < 0)
                     return -1;
 
                 if (def->graphics[0]->data.vnc.auth.passwd &&
@@ -1674,8 +1674,8 @@ xenFormatVfb(virConfPtr conf, virDomainDefPtr def)
                     virBufferAsprintf(&buf, ",xauthority=%s",
                                       def->graphics[0]->data.sdl.xauth);
             } else {
-                const char *listenAddr
-                    = virDomainGraphicsListenGetAddress(def->graphics[0], 0);
+                virDomainGraphicsListenDefPtr listen
+                    = virDomainGraphicsGetListen(def->graphics[0], 0);
 
                 virBufferAddLit(&buf, "type=vnc");
                 virBufferAsprintf(&buf, ",vncunused=%d",
@@ -1683,8 +1683,8 @@ xenFormatVfb(virConfPtr conf, virDomainDefPtr def)
                 if (!def->graphics[0]->data.vnc.autoport)
                     virBufferAsprintf(&buf, ",vncdisplay=%d",
                                       def->graphics[0]->data.vnc.port - 5900);
-                if (listenAddr)
-                    virBufferAsprintf(&buf, ",vnclisten=%s", listenAddr);
+                if (listen && listen->address)
+                    virBufferAsprintf(&buf, ",vnclisten=%s", listen->address);
                 if (def->graphics[0]->data.vnc.auth.passwd)
                     virBufferAsprintf(&buf, ",vncpasswd=%s",
                                       def->graphics[0]->data.vnc.auth.passwd);

src/xenconfig/xen_sxpr.c

@@ -1523,7 +1523,7 @@ static int
 xenFormatSxprGraphicsNew(virDomainGraphicsDefPtr def,
                          virBufferPtr buf)
 {
-    const char *listenAddr;
+    virDomainGraphicsListenDefPtr listen;
 
     if (def->type != VIR_DOMAIN_GRAPHICS_TYPE_SDL &&
         def->type != VIR_DOMAIN_GRAPHICS_TYPE_VNC) {
@@ -1551,9 +1551,9 @@ xenFormatSxprGraphicsNew(virDomainGraphicsDefPtr def,
             virBufferAsprintf(buf, "(vncdisplay %d)", def->data.vnc.port-5900);
         }
 
-        listenAddr = virDomainGraphicsListenGetAddress(def, 0);
-        if (listenAddr)
-            virBufferAsprintf(buf, "(vnclisten '%s')", listenAddr);
+        if ((listen = virDomainGraphicsGetListen(def, 0)) &&
+            listen->address)
+            virBufferAsprintf(buf, "(vnclisten '%s')", listen->address);
         if (def->data.vnc.auth.passwd)
             virBufferAsprintf(buf, "(vncpasswd '%s')", def->data.vnc.auth.passwd);
         if (def->data.vnc.keymap)
@@ -1579,7 +1579,7 @@ xenFormatSxprGraphicsNew(virDomainGraphicsDefPtr def,
 static int
 xenFormatSxprGraphicsOld(virDomainGraphicsDefPtr def, virBufferPtr buf)
 {
-    const char *listenAddr;
+    virDomainGraphicsListenDefPtr listen;
 
     if (def->type != VIR_DOMAIN_GRAPHICS_TYPE_SDL &&
         def->type != VIR_DOMAIN_GRAPHICS_TYPE_VNC) {
@@ -1604,9 +1604,9 @@ xenFormatSxprGraphicsOld(virDomainGraphicsDefPtr def, virBufferPtr buf)
             virBufferAsprintf(buf, "(vncdisplay %d)", def->data.vnc.port-5900);
         }
 
-        listenAddr = virDomainGraphicsListenGetAddress(def, 0);
-        if (listenAddr)
-            virBufferAsprintf(buf, "(vnclisten '%s')", listenAddr);
+        if ((listen = virDomainGraphicsGetListen(def, 0)) &&
+            listen->address)
+            virBufferAsprintf(buf, "(vnclisten '%s')", listen->address);
         if (def->data.vnc.auth.passwd)
             virBufferAsprintf(buf, "(vncpasswd '%s')", def->data.vnc.auth.passwd);
         if (def->data.vnc.keymap)

src/xenconfig/xen_xl.c

@@ -837,7 +837,7 @@ xenFormatXLDomainDisks(virConfPtr conf, virDomainDefPtr def)
 static int
 xenFormatXLSpice(virConfPtr conf, virDomainDefPtr def)
 {
-    const char *listenAddr = NULL;
+    virDomainGraphicsListenDefPtr listen;
     virDomainGraphicsDefPtr graphics;
 
     if (def->os.type == VIR_DOMAIN_OSTYPE_HVM) {
@@ -854,9 +854,9 @@ xenFormatXLSpice(virConfPtr conf, virDomainDefPtr def)
             if (xenConfigSetInt(conf, "spice", 1) < 0)
                 return -1;
 
-            listenAddr = virDomainGraphicsListenGetAddress(graphics, 0);
-            if (listenAddr &&
-                xenConfigSetString(conf, "spicehost", listenAddr) < 0)
+            if ((listen = virDomainGraphicsGetListen(graphics, 0)) &&
+                listen->address &&
+                xenConfigSetString(conf, "spicehost", listen->address) < 0)
                 return -1;
 
             if (xenConfigSetInt(conf, "spiceport",