[libvirt] [RFC][PATCH 3/7] interface: implement the public APIs
---
src/libvirt.c | 129 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++
1 files changed, 129 insertions(+), 0 deletions(-)
diff --git a/src/libvirt.c b/src/libvirt.c
index abacf85..d9b659d 100644
--- a/src/libvirt.c
+++ b/src/libvirt.c
@@ -7481,6 +7481,135 @@ virInterfaceFree(virInterfacePtr iface)
return 0;
}
+/**
+ * virInterfaceChangeStart:
+ * @conn: pointer to hypervisor connection
+ * @flags: flags, not used yet
+ *
+ * This functions creates a restore point to which one can return
+ * later by calling virInterfaceChangeRollback. This function should
+ * be called before any transaction with interface configuration.
+ * Once knowing, new configuration works, it can be commited via
+ * virInterfaceChangeCommit, which frees restore point.
+ *
+ * Returns 0 in case of success and -1 in case of failure.
+ */
+int
+virInterfaceChangeStart(virConnectPtr conn, unsigned int flags)
+{
+ int ret = -1;
+
+ VIR_DEBUG("conn=%p, flags=%d", conn, flags);
+
+ virResetLastError();
+
+ if (!VIR_IS_CONNECT(conn)) {
+ virLibConnError(VIR_ERR_INVALID_CONN, __FUNCTION__);
+ virDispatchError(NULL);
+ goto end;
+ }
+
+ if (conn->flags & VIR_CONNECT_RO) {
+ virLibInterfaceError(VIR_ERR_OPERATION_DENIED, __FUNCTION__);
+ virDispatchError(conn);
+ goto end;
+ }
+
+ if (conn->interfaceDriver &&
conn->interfaceDriver->interfaceChangeStart) {
+ ret = conn->interfaceDriver->interfaceChangeStart(conn, flags);
+ } else {
+ virLibConnError(VIR_ERR_NO_SUPPORT, __FUNCTION__);
+ }
+
+end:
+ VIR_DEBUG("returning: %d", ret);
+ return ret;
+}
+
+/**
+ * virInterfaceChangeCommit:
+ * @conn: pointer to hypervisor connection
+ * @flags: flags, not used yet
+ *
+ * This commits the changes made to interfaces and frees restore point
+ * created by virInterfaceChangeStart.
+ *
+ * Returns 0 in case of success and -1 in case of failure.
+ */
+int
+virInterfaceChangeCommit(virConnectPtr conn, unsigned int flags)
+{
+ int ret = -1;
+
+ VIR_DEBUG("conn=%p, flags=%d", conn, flags);
+
+ virResetLastError();
+
+ if (!VIR_IS_CONNECT(conn)) {
+ virLibConnError(VIR_ERR_INVALID_CONN, __FUNCTION__);
+ virDispatchError(NULL);
+ goto end;
+ }
+
+ if (conn->flags & VIR_CONNECT_RO) {
+ virLibInterfaceError(VIR_ERR_OPERATION_DENIED, __FUNCTION__);
+ virDispatchError(conn);
+ goto end;
+ }
+
+ if (conn->interfaceDriver &&
conn->interfaceDriver->interfaceChangeCommit) {
+ ret = conn->interfaceDriver->interfaceChangeCommit(conn, flags);
+ } else {
+ virLibConnError(VIR_ERR_NO_SUPPORT, __FUNCTION__);
+ }
+
+end:
+ VIR_DEBUG("returning: %d", ret);
+ return ret;
+}
+
+/**
+ * virInterfaceChangeRollback:
+ * @conn: pointer to hypervisor connection
+ * @flags: flags, not used yet
+ *
+ * This cancels changes made to interfaces settings by restoring previous
+ * state created by virInterfaceChangeStart.
+ *
+ * Returns 0 in case of success and -1 in case of failure.
+ */
+int
+virInterfaceChangeRollback(virConnectPtr conn, unsigned int flags)
+{
+ int ret = -1;
+
+ VIR_DEBUG("conn=%p, flags=%d", conn, flags);
+
+ virResetLastError();
+
+ if (!VIR_IS_CONNECT(conn)) {
+ virLibConnError(VIR_ERR_INVALID_CONN, __FUNCTION__);
+ virDispatchError(NULL);
+ goto end;
+ }
+
+ if (conn->flags & VIR_CONNECT_RO) {
+ virLibInterfaceError(VIR_ERR_OPERATION_DENIED, __FUNCTION__);
+ virDispatchError(conn);
+ goto end;
+ }
+
+ if (conn->interfaceDriver &&
+ conn->interfaceDriver->interfaceChangeRollback) {
+ ret = conn->interfaceDriver->interfaceChangeRollback(conn, flags);
+ } else {
+ virLibConnError(VIR_ERR_NO_SUPPORT, __FUNCTION__);
+ }
+
+end:
+ VIR_DEBUG("returning: %d", ret);
+ return ret;
+}
/**
* virStoragePoolGetConnect:
--
1.7.5.rc3