From e43851128b407dea2a55a813bdbefc5a639f1914 Mon Sep 17 00:00:00 2001
Message-Id: <e43851128b407dea2a55a813bdbefc5a639f1914@dist-git>
From: Jiri Denemark <jdenemar@redhat.com>
Date: Fri, 2 Jun 2017 22:50:18 +0200
Subject: [PATCH] qemu: Implement virSaveCookie object and callbacks

This patch implements a new save cookie object and callbacks for qemu
driver. The actual useful content will be added in the object later.

Signed-off-by: Jiri Denemark <jdenemar@redhat.com>
Reviewed-by: Pavel Hrdina <phrdina@redhat.com>
(cherry picked from commit 215476b64226275ac090ca0e957bfca76ba1549e)

https://bugzilla.redhat.com/show_bug.cgi?id=1441662

Conflicts:
	src/qemu/qemu_domain.c - no qemuDomainLogContextClass in 7.4

Signed-off-by: Jiri Denemark <jdenemar@redhat.com>
---
 src/qemu/qemu_conf.c   |  2 +-
 src/qemu/qemu_domain.c | 83 ++++++++++++++++++++++++++++++++++++++++++++++++++
 src/qemu/qemu_domain.h |  9 ++++++
 3 files changed, 93 insertions(+), 1 deletion(-)

diff --git a/src/qemu/qemu_conf.c b/src/qemu/qemu_conf.c
index 96956b7779..51a42883dc 100644
--- a/src/qemu/qemu_conf.c
+++ b/src/qemu/qemu_conf.c
@@ -909,7 +909,7 @@ virQEMUDriverCreateXMLConf(virQEMUDriverPtr driver)
                                  &virQEMUDriverPrivateDataCallbacks,
                                  &virQEMUDriverDomainXMLNamespace,
                                  &virQEMUDriverDomainABIStability,
-                                 NULL);
+                                 &virQEMUDriverDomainSaveCookie);
 }
 
 
diff --git a/src/qemu/qemu_domain.c b/src/qemu/qemu_domain.c
index 09903bdd5f..63fcde8024 100644
--- a/src/qemu/qemu_domain.c
+++ b/src/qemu/qemu_domain.c
@@ -120,6 +120,24 @@ struct _qemuDomainLogContext {
     virLogManagerPtr manager;
 };
 
+static virClassPtr qemuDomainSaveCookieClass;
+
+static void qemuDomainSaveCookieDispose(void *obj);
+
+static int
+qemuDomainOnceInit(void)
+{
+    if (!(qemuDomainSaveCookieClass = virClassNew(virClassForObject(),
+                                                  "qemuDomainSaveCookie",
+                                                  sizeof(qemuDomainSaveCookie),
+                                                  qemuDomainSaveCookieDispose)))
+        return -1;
+
+    return 0;
+}
+
+VIR_ONCE_GLOBAL_INIT(qemuDomain)
+
 const char *
 qemuDomainAsyncJobPhaseToString(qemuDomainAsyncJob job,
                                 int phase ATTRIBUTE_UNUSED)
@@ -9080,3 +9098,68 @@ qemuDomainGetStorageSourceByDevstr(const char *devstr,
     VIR_FREE(target);
     return src;
 }
+
+
+static void
+qemuDomainSaveCookieDispose(void *obj)
+{
+    qemuDomainSaveCookiePtr cookie = obj;
+
+    VIR_DEBUG("cookie=%p", cookie);
+}
+
+
+qemuDomainSaveCookiePtr
+qemuDomainSaveCookieNew(virDomainObjPtr vm ATTRIBUTE_UNUSED)
+{
+    qemuDomainSaveCookiePtr cookie = NULL;
+
+    if (qemuDomainInitialize() < 0)
+        goto error;
+
+    if (!(cookie = virObjectNew(qemuDomainSaveCookieClass)))
+        goto error;
+
+    VIR_DEBUG("Save cookie %p", cookie);
+
+    return cookie;
+
+ error:
+    virObjectUnref(cookie);
+    return NULL;
+}
+
+
+static int
+qemuDomainSaveCookieParse(xmlXPathContextPtr ctxt ATTRIBUTE_UNUSED,
+                          virObjectPtr *obj)
+{
+    qemuDomainSaveCookiePtr cookie = NULL;
+
+    if (qemuDomainInitialize() < 0)
+        goto error;
+
+    if (!(cookie = virObjectNew(qemuDomainSaveCookieClass)))
+        goto error;
+
+    *obj = (virObjectPtr) cookie;
+    return 0;
+
+ error:
+    virObjectUnref(cookie);
+    return -1;
+}
+
+
+static int
+qemuDomainSaveCookieFormat(virBufferPtr buf ATTRIBUTE_UNUSED,
+                           virObjectPtr obj ATTRIBUTE_UNUSED)
+{
+    return 0;
+}
+
+
+virSaveCookieCallbacks virQEMUDriverDomainSaveCookie = {
+    .parse = qemuDomainSaveCookieParse,
+    .format = qemuDomainSaveCookieFormat,
+};
diff --git a/src/qemu/qemu_domain.h b/src/qemu/qemu_domain.h
index 4db92fac8a..80d80e4554 100644
--- a/src/qemu/qemu_domain.h
+++ b/src/qemu/qemu_domain.h
@@ -416,6 +416,14 @@ struct qemuProcessEvent {
 typedef struct _qemuDomainLogContext qemuDomainLogContext;
 typedef qemuDomainLogContext *qemuDomainLogContextPtr;
 
+typedef struct _qemuDomainSaveCookie qemuDomainSaveCookie;
+typedef qemuDomainSaveCookie *qemuDomainSaveCookiePtr;
+struct _qemuDomainSaveCookie {
+    virObject parent;
+};
+
+qemuDomainSaveCookiePtr qemuDomainSaveCookieNew(virDomainObjPtr vm);
+
 const char *qemuDomainAsyncJobPhaseToString(qemuDomainAsyncJob job,
                                             int phase);
 int qemuDomainAsyncJobPhaseFromString(qemuDomainAsyncJob job,
@@ -640,6 +648,7 @@ extern virDomainXMLPrivateDataCallbacks virQEMUDriverPrivateDataCallbacks;
 extern virDomainXMLNamespace virQEMUDriverDomainXMLNamespace;
 extern virDomainDefParserConfig virQEMUDriverDomainDefParserConfig;
 extern virDomainABIStability virQEMUDriverDomainABIStability;
+extern virSaveCookieCallbacks virQEMUDriverDomainSaveCookie;
 
 int qemuDomainUpdateDeviceList(virQEMUDriverPtr driver,
                                virDomainObjPtr vm, int asyncJob);
-- 
2.13.1