Add .domainInterfaceAddresses so that user can have a way to
get domain interface address by 'virsh domifaddr'. Currently
it only supports '--source lease'.
Signed-off: Chunyan Liu <cyliu(a)suse.com>
---
src/libxl/libxl_driver.c | 140 +++++++++++++++++++++++++++++++++++++++++++++++
1 file changed, 140 insertions(+)
diff --git a/src/libxl/libxl_driver.c b/src/libxl/libxl_driver.c
index 062d6f8..f2bd6fa 100644
--- a/src/libxl/libxl_driver.c
+++ b/src/libxl/libxl_driver.c
@@ -5425,6 +5425,145 @@ static int libxlNodeGetSecurityModel(virConnectPtr conn,
return 0;
}
+static int
+libxlGetDHCPInterfaces(virDomainPtr dom,
+ virDomainObjPtr vm,
+ virDomainInterfacePtr **ifaces)
+{
+ int rv = -1;
+ int n_leases = 0;
+ size_t i, j;
+ size_t ifaces_count = 0;
+ virNetworkPtr network = NULL;
+ char macaddr[VIR_MAC_STRING_BUFLEN];
+ virDomainInterfacePtr iface = NULL;
+ virNetworkDHCPLeasePtr *leases = NULL;
+ virDomainInterfacePtr *ifaces_ret = NULL;
+
+ if (!dom->conn->networkDriver ||
+ !dom->conn->networkDriver->networkGetDHCPLeases) {
+ virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
+ _("Network driver does not support DHCP lease query"));
+ return -1;
+ }
+
+ for (i = 0; i < vm->def->nnets; i++) {
+ if (vm->def->nets[i]->type != VIR_DOMAIN_NET_TYPE_NETWORK)
+ continue;
+
+ virMacAddrFormat(&(vm->def->nets[i]->mac), macaddr);
+ virObjectUnref(network);
+ network = virNetworkLookupByName(dom->conn,
+ vm->def->nets[i]->data.network.name);
+
+ if ((n_leases = virNetworkGetDHCPLeases(network, macaddr,
+ &leases, 0)) < 0)
+ goto error;
+
+ if (n_leases) {
+ if (VIR_EXPAND_N(ifaces_ret, ifaces_count, 1) < 0)
+ goto error;
+
+ if (VIR_ALLOC(ifaces_ret[ifaces_count - 1]) < 0)
+ goto error;
+
+ iface = ifaces_ret[ifaces_count - 1];
+ /* Assuming each lease corresponds to a separate IP */
+ iface->naddrs = n_leases;
+
+ if (VIR_ALLOC_N(iface->addrs, iface->naddrs) < 0)
+ goto error;
+
+ if (VIR_STRDUP(iface->name, vm->def->nets[i]->ifname) < 0)
+ goto cleanup;
+
+ if (VIR_STRDUP(iface->hwaddr, macaddr) < 0)
+ goto cleanup;
+ }
+
+ for (j = 0; j < n_leases; j++) {
+ virNetworkDHCPLeasePtr lease = leases[j];
+ virDomainIPAddressPtr ip_addr = &iface->addrs[j];
+
+ if (VIR_STRDUP(ip_addr->addr, lease->ipaddr) < 0)
+ goto cleanup;
+
+ ip_addr->type = lease->type;
+ ip_addr->prefix = lease->prefix;
+ }
+
+ for (j = 0; j < n_leases; j++)
+ virNetworkDHCPLeaseFree(leases[j]);
+
+ VIR_FREE(leases);
+ }
+
+ *ifaces = ifaces_ret;
+ ifaces_ret = NULL;
+ rv = ifaces_count;
+
+ cleanup:
+ virObjectUnref(network);
+ if (leases) {
+ for (i = 0; i < n_leases; i++)
+ virNetworkDHCPLeaseFree(leases[i]);
+ }
+ VIR_FREE(leases);
+
+ return rv;
+
+ error:
+ if (ifaces_ret) {
+ for (i = 0; i < ifaces_count; i++)
+ virDomainInterfaceFree(ifaces_ret[i]);
+ }
+ VIR_FREE(ifaces_ret);
+
+ goto cleanup;
+}
+
+
+static int
+libxlDomainInterfaceAddresses(virDomainPtr dom,
+ virDomainInterfacePtr **ifaces,
+ unsigned int source,
+ unsigned int flags)
+{
+ virDomainObjPtr vm = NULL;
+ int ret = -1;
+
+ virCheckFlags(0, -1);
+
+ if (!(vm = libxlDomObjFromDomain(dom)))
+ goto cleanup;
+
+ if (virDomainInterfaceAddressesEnsureACL(dom->conn, vm->def) < 0)
+ goto cleanup;
+
+ if (!virDomainObjIsActive(vm)) {
+ virReportError(VIR_ERR_OPERATION_INVALID, "%s",
+ _("domain is not running"));
+ goto cleanup;
+ }
+
+ switch (source) {
+ case VIR_DOMAIN_INTERFACE_ADDRESSES_SRC_LEASE:
+ ret = libxlGetDHCPInterfaces(dom, vm, ifaces);
+ break;
+
+ default:
+ virReportError(VIR_ERR_ARGUMENT_UNSUPPORTED,
+ _("Unsupported IP address data source %d"),
+ source);
+ break;
+ }
+
+ cleanup:
+ virDomainObjEndAPI(&vm);
+ return ret;
+}
+
+
static virHypervisorDriver libxlHypervisorDriver = {
.name = LIBXL_DRIVER_NAME,
.connectOpen = libxlConnectOpen, /* 0.9.0 */
@@ -5525,6 +5664,7 @@ static virHypervisorDriver libxlHypervisorDriver = {
.domainMigrateFinish3Params = libxlDomainMigrateFinish3Params, /* 1.2.6 */
.domainMigrateConfirm3Params = libxlDomainMigrateConfirm3Params, /* 1.2.6 */
.nodeGetSecurityModel = libxlNodeGetSecurityModel, /* 1.2.16 */
+ .domainInterfaceAddresses = libxlDomainInterfaceAddresses, /* 1.3.5 */
};
static virConnectDriver libxlConnectDriver = {
--
1.8.5.6