From 080bc4ea0242bce617cbec0e70968c63aab26c59 Mon Sep 17 00:00:00 2001
From: Michal Privoznik <mprivozn@redhat.com>
Date: Wed, 20 Jul 2011 17:02:48 +0200
Subject: [PATCH] destroy: Define new public API virDomainDestroyFlags

This introduces new API virDomainDestroyFlags to allow
domain destroying with flags, as the existing API virDomainDestroy
misses flags.

The set of flags is defined in virDomainDestroyFlagsValues enum,
which is currently commented, because it is empty.

Calling this API with no flags set (@flags == 0) is equivalent calling
virDomainDestroy.
---
 include/libvirt/libvirt.h.in |  7 +++++
 src/driver.h                 |  4 +++
 src/libvirt.c                | 52 ++++++++++++++++++++++++++++++++++++
 src/libvirt_public.syms      |  1 +
 4 files changed, 64 insertions(+)

diff --git a/include/libvirt/libvirt.h.in b/include/libvirt/libvirt.h.in
index 8fa7daec85..0b7e35f916 100644
--- a/include/libvirt/libvirt.h.in
+++ b/include/libvirt/libvirt.h.in
@@ -915,6 +915,11 @@ virConnectPtr           virDomainGetConnect     (virDomainPtr domain);
 /*
  * Domain creation and destruction
  */
+
+/*
+ * typedef enum {
+ * } virDomainDestroyFlagsValues;
+ */
 virDomainPtr            virDomainCreateXML      (virConnectPtr conn,
                                                  const char *xmlDesc,
                                                  unsigned int flags);
@@ -931,6 +936,8 @@ int                     virDomainShutdown       (virDomainPtr domain);
 int                     virDomainReboot         (virDomainPtr domain,
                                                  unsigned int flags);
 int                     virDomainDestroy        (virDomainPtr domain);
+int                     virDomainDestroyFlags   (virDomainPtr domain,
+                                                 unsigned int flags);
 int                     virDomainRef            (virDomainPtr domain);
 int                     virDomainFree           (virDomainPtr domain);
 
diff --git a/src/driver.h b/src/driver.h
index d931c9b9b7..4df54964dd 100644
--- a/src/driver.h
+++ b/src/driver.h
@@ -124,6 +124,9 @@ typedef int
                                          unsigned int flags);
 typedef int
         (*virDrvDomainDestroy)		(virDomainPtr domain);
+typedef int
+        (*virDrvDomainDestroyFlags) (virDomainPtr domain,
+                                         unsigned int flags);
 typedef char *
         (*virDrvDomainGetOSType)	(virDomainPtr domain);
 typedef unsigned long
@@ -711,6 +714,7 @@ struct _virDriver {
     virDrvDomainShutdown		domainShutdown;
     virDrvDomainReboot		domainReboot;
     virDrvDomainDestroy		domainDestroy;
+    virDrvDomainDestroyFlags    domainDestroyFlags;
     virDrvDomainGetOSType		domainGetOSType;
     virDrvDomainGetMaxMemory	domainGetMaxMemory;
     virDrvDomainSetMaxMemory	domainSetMaxMemory;
diff --git a/src/libvirt.c b/src/libvirt.c
index 67041c6729..7fb1bc1dbc 100644
--- a/src/libvirt.c
+++ b/src/libvirt.c
@@ -2077,6 +2077,58 @@ error:
     return -1;
 }
 
+/**
+ * virDomainDestroyFlags:
+ * @domain: a domain object
+ * @flags: an OR'ed set of virDomainDestroyFlagsValues
+ *
+ * Destroy the domain object. The running instance is shutdown if not down
+ * already and all resources used by it are given back to the hypervisor.
+ * This does not free the associated virDomainPtr object.
+ * This function may require privileged access.
+ *
+ * Calling this function with no @flags set (equal to zero)
+ * is equivalent to calling virDomainDestroy.
+ *
+ * Returns 0 in case of success and -1 in case of failure.
+ */
+int
+virDomainDestroyFlags(virDomainPtr domain,
+                      unsigned int flags)
+{
+    virConnectPtr conn;
+
+    VIR_DOMAIN_DEBUG(domain);
+
+    virResetLastError();
+
+    if (!VIR_IS_CONNECTED_DOMAIN(domain)) {
+        virLibDomainError(VIR_ERR_INVALID_DOMAIN, __FUNCTION__);
+        virDispatchError(NULL);
+        return -1;
+    }
+
+    conn = domain->conn;
+    if (conn->flags & VIR_CONNECT_RO) {
+        virLibDomainError(VIR_ERR_OPERATION_DENIED, __FUNCTION__);
+        goto error;
+    }
+
+    if (conn->driver->domainDestroyFlags) {
+        int ret;
+        ret = conn->driver->domainDestroyFlags(domain, flags);
+        if (ret < 0)
+            goto error;
+        return ret;
+    }
+
+    virLibConnError(VIR_ERR_NO_SUPPORT, __FUNCTION__);
+
+error:
+    virDispatchError(conn);
+    return -1;
+}
+
 /**
  * virDomainFree:
  * @domain: a domain object
diff --git a/src/libvirt_public.syms b/src/libvirt_public.syms
index 6935140df8..9336df4d63 100644
--- a/src/libvirt_public.syms
+++ b/src/libvirt_public.syms
@@ -471,6 +471,7 @@ LIBVIRT_0.9.4 {
         virDomainRestoreFlags;
         virDomainSaveFlags;
         virDomainUndefineFlags;
+        virDomainDestroyFlags;
 } LIBVIRT_0.9.3;
 
 # .... define new API here using predicted next version number ....