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&gt; --- 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