11:54 a.m.
Now that we have pointers to store disk source information and thus can
easily exchange the structs behind we need a function to copy all the
data.
---
src/libvirt_private.syms | 1 +
src/util/virstoragefile.c | 143 ++++++++++++++++++++++++++++++++++++++++++++++
src/util/virstoragefile.h | 3 +
3 files changed, 147 insertions(+)
diff --git a/src/libvirt_private.syms b/src/libvirt_private.syms
index 792754f..bf3a45b 100644
--- a/src/libvirt_private.syms
+++ b/src/libvirt_private.syms
@@ -1906,6 +1906,7 @@ virStorageNetProtocolTypeToString;
virStorageSourceAuthClear;
virStorageSourceBackingStoreClear;
virStorageSourceClear;
+virStorageSourceCopy;
virStorageSourceFree;
virStorageSourceGetActualType;
virStorageSourceGetSecurityLabelDef;
diff --git a/src/util/virstoragefile.c b/src/util/virstoragefile.c
index c52206c..5f8e02d 100644
--- a/src/util/virstoragefile.c
+++ b/src/util/virstoragefile.c
@@ -1540,6 +1540,149 @@ virStorageSourceSeclabelsCopy(virStorageSourcePtr to,
}
+static virStorageTimestampsPtr
+virStorageTimestampsCopy(const virStorageTimestamps *src)
+{
+ virStorageTimestampsPtr ret;
+
+ if (VIR_ALLOC(ret) < 0)
+ return NULL;
+
+ memcpy(ret, src, sizeof(*src));
+
+ return ret;
+}
+
+
+static virStoragePermsPtr
+virStoragePermsCopy(const virStoragePerms *src)
+{
+ virStoragePermsPtr ret;
+
+ if (VIR_ALLOC(ret) < 0)
+ return NULL;
+
+ ret->mode = src->mode;
+ ret->uid = src->uid;
+ ret->gid = src->gid;
+
+ if (VIR_STRDUP(ret->label, src->label))
+ goto error;
+
+ return ret;
+
+ error:
+ virStoragePermsFree(ret);
+ return NULL;
+}
+
+
+static virStorageSourcePoolDefPtr
+virStorageSourcePoolDefCopy(const virStorageSourcePoolDef *src)
+{
+ virStorageSourcePoolDefPtr ret;
+
+ if (VIR_ALLOC(ret) < 0)
+ return NULL;
+
+ ret->voltype = src->voltype;
+ ret->pooltype = src->pooltype;
+ ret->actualtype = src->actualtype;
+ ret->mode = src->mode;
+
+ if (VIR_STRDUP(ret->pool, src->pool) < 0 ||
+ VIR_STRDUP(ret->volume, src->volume) < 0)
+ goto error;
+
+ return ret;
+
+ error:
+ virStorageSourcePoolDefFree(ret);
+ return NULL;
+}
+
+
+virStorageSourcePtr
+virStorageSourceCopy(const virStorageSource *src,
+ bool backingChain)
+{
+ virStorageSourcePtr ret = NULL;
+
+ if (VIR_ALLOC(ret) < 0)
+ return NULL;
+
+ ret->type = src->type;
+ ret->protocol = src->protocol;
+ ret->format = src->format;
+ ret->allocation = src->allocation;
+ ret->capacity = src->capacity;
+ ret->readonly = src->readonly;
+ ret->shared = src->shared;
+
+ /* storage driver metadata are not copied */
+ ret->drv = NULL;
+
+ if (VIR_STRDUP(ret->path, src->path) < 0 ||
+ VIR_STRDUP(ret->volume, src->volume) < 0 ||
+ VIR_STRDUP(ret->driverName, src->driverName) < 0 ||
+ VIR_STRDUP(ret->relPath, src->relPath) < 0 ||
+ VIR_STRDUP(ret->backingStoreRaw, src->backingStoreRaw) < 0 ||
+ VIR_STRDUP(ret->compat, src->compat) < 0 ||
+ VIR_STRDUP(ret->auth.username, src->auth.username) < 0)
+ goto error;
+
+ if (!(ret->hosts = virStorageNetHostDefCopy(src->nhosts, src->hosts)))
+ goto error;
+ ret->nhosts = src->nhosts;
+
+ if (!(ret->srcpool = virStorageSourcePoolDefCopy(src->srcpool)))
+ goto error;
+
+ if (!(ret->features = virBitmapNewCopy(src->features)))
+ goto error;
+
+ if (!(ret->encryption = virStorageEncryptionCopy(src->encryption)))
+ goto error;
+
+ if (!(ret->perms = virStoragePermsCopy(src->perms)))
+ goto error;
+
+ if (!(ret->timestamps = virStorageTimestampsCopy(src->timestamps)))
+ goto error;
+
+ if (virStorageSourceSeclabelsCopy(ret, src) < 0)
+ goto error;
+
+ ret->auth.secretType = src->auth.secretType;
+ switch ((virStorageSecretType) src->auth.secretType) {
+ case VIR_STORAGE_SECRET_TYPE_NONE:
+ case VIR_STORAGE_SECRET_TYPE_LAST:
+ break;
+
+ case VIR_STORAGE_SECRET_TYPE_UUID:
+ memcpy(ret->auth.secret.uuid, src->auth.secret.uuid, VIR_UUID_BUFLEN);
+ break;
+
+ case VIR_STORAGE_SECRET_TYPE_USAGE:
+ if (VIR_STRDUP(ret->auth.secret.usage, src->auth.secret.usage) < 0)
+ goto error;
+ break;
+ }
+
+ if (backingChain && src->backingStore) {
+ if (!(ret->backingStore = virStorageSourceCopy(src->backingStore,
+ true)))
+ goto error;
+ }
+
+ return ret;
+
+ error:
+ virStorageSourceFree(ret);
+ return NULL;
+}
+
+
void
virStorageSourcePoolDefFree(virStorageSourcePoolDefPtr def)
{
diff --git a/src/util/virstoragefile.h b/src/util/virstoragefile.h
index 176661e..3e13071 100644
--- a/src/util/virstoragefile.h
+++ b/src/util/virstoragefile.h
@@ -332,6 +332,9 @@ int virStorageSourceGetActualType(virStorageSourcePtr def);
void virStorageSourceFree(virStorageSourcePtr def);
void virStorageSourceBackingStoreClear(virStorageSourcePtr def);
virStorageSourcePtr virStorageSourceNewFromBacking(virStorageSourcePtr parent);
+virStorageSourcePtr virStorageSourceCopy(const virStorageSource *src,
+ bool backingChain)
+ ATTRIBUTE_NONNULL(1);
typedef int
(*virStorageFileSimplifyPathReadlinkCallback)(const char *path,
--
1.9.3