parallels: add a set of trivial functions

Add functions parallelsIsAlive, parallelsIsEncrypted,
parallelsIsSecure which are very simple to implement, but
may be required by some libvirt users. Almost all other
drivers have these functions.
Signed-off-by: NDmitry Guryanov <dguryanov@parallels.com>

src/parallels/parallels_driver.c

@@ -2362,6 +2362,23 @@ parallelsNodeGetInfo(virConnectPtr conn ATTRIBUTE_UNUSED,
     return nodeGetInfo(nodeinfo);
 }
 
+static int parallelsConnectIsEncrypted(virConnectPtr conn ATTRIBUTE_UNUSED)
+{
+    /* Encryption is not relevant / applicable to way we talk to PCS */
+    return 0;
+}
+
+static int parallelsConnectIsSecure(virConnectPtr conn ATTRIBUTE_UNUSED)
+{
+    /* We run CLI tools directly so this is secure */
+    return 1;
+}
+
+static int parallelsConnectIsAlive(virConnectPtr conn ATTRIBUTE_UNUSED)
+{
+    return 1;
+}
+
 
 static virDriver parallelsDriver = {
     .no = VIR_DRV_PARALLELS,
@@ -2392,6 +2409,9 @@ static virDriver parallelsDriver = {
     .domainShutdown = parallelsDomainShutdown, /* 0.10.0 */
     .domainCreate = parallelsDomainCreate,    /* 0.10.0 */
     .domainDefineXML = parallelsDomainDefineXML,      /* 0.10.0 */
+    .connectIsEncrypted = parallelsConnectIsEncrypted, /* 1.2.5 */
+    .connectIsSecure = parallelsConnectIsSecure, /* 1.2.5 */
+    .connectIsAlive = parallelsConnectIsAlive, /* 1.2.5 */
 };
 
 /**