mirror of
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db2536a627
This reverts commit 383ebc4694.
We decided the xml for this feature needed more thought to make sure
we are doing it the best way, in particular wrt option values that
have multiple items.
385 lines
13 KiB
C
385 lines
13 KiB
C
/*
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* network_conf.h: network XML handling
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*
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* Copyright (C) 2006-2008, 2012 Red Hat, Inc.
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* Copyright (C) 2006-2008 Daniel P. Berrange
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library. If not, see
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* <http://www.gnu.org/licenses/>.
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*
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* Author: Daniel P. Berrange <berrange@redhat.com>
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*/
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#ifndef __NETWORK_CONF_H__
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# define __NETWORK_CONF_H__
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# define DNS_RECORD_LENGTH_SRV (512 - 30) /* Limit minus overhead as mentioned in RFC-2782 */
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# include <libxml/parser.h>
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# include <libxml/tree.h>
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# include <libxml/xpath.h>
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# include "internal.h"
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# include "virthread.h"
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# include "virsocketaddr.h"
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# include "virnetdevbandwidth.h"
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# include "virnetdevvportprofile.h"
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# include "virnetdevvlan.h"
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# include "virmacaddr.h"
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# include "device_conf.h"
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# include "virbitmap.h"
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enum virNetworkForwardType {
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VIR_NETWORK_FORWARD_NONE = 0,
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VIR_NETWORK_FORWARD_NAT,
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VIR_NETWORK_FORWARD_ROUTE,
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VIR_NETWORK_FORWARD_BRIDGE,
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VIR_NETWORK_FORWARD_PRIVATE,
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VIR_NETWORK_FORWARD_VEPA,
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VIR_NETWORK_FORWARD_PASSTHROUGH,
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VIR_NETWORK_FORWARD_HOSTDEV,
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VIR_NETWORK_FORWARD_LAST,
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};
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enum virNetworkForwardHostdevDeviceType {
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VIR_NETWORK_FORWARD_HOSTDEV_DEVICE_NONE = 0,
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VIR_NETWORK_FORWARD_HOSTDEV_DEVICE_PCI,
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VIR_NETWORK_FORWARD_HOSTDEV_DEVICE_NETDEV,
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/* USB Device to be added here when supported */
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VIR_NETWORK_FORWARD_HOSTDEV_DEVICE_LAST,
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};
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typedef struct _virNetworkDHCPHostDef virNetworkDHCPHostDef;
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typedef virNetworkDHCPHostDef *virNetworkDHCPHostDefPtr;
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struct _virNetworkDHCPHostDef {
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char *mac;
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char *id;
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char *name;
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virSocketAddr ip;
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};
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typedef struct _virNetworkDNSTxtDef virNetworkDNSTxtDef;
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typedef virNetworkDNSTxtDef *virNetworkDNSTxtDefPtr;
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struct _virNetworkDNSTxtDef {
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char *name;
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char *value;
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};
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typedef struct _virNetworkDNSSrvDef virNetworkDNSSrvDef;
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typedef virNetworkDNSSrvDef *virNetworkDNSSrvDefPtr;
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struct _virNetworkDNSSrvDef {
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char *domain;
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char *service;
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char *protocol;
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char *target;
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unsigned int port;
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unsigned int priority;
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unsigned int weight;
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};
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typedef struct _virNetworkDNSHostDef virNetworkDNSHostDef;
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typedef virNetworkDNSHostDef *virNetworkDNSHostDefPtr;
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struct _virNetworkDNSHostDef {
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virSocketAddr ip;
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int nnames;
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char **names;
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};
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typedef struct _virNetworkDNSDef virNetworkDNSDef;
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typedef virNetworkDNSDef *virNetworkDNSDefPtr;
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struct _virNetworkDNSDef {
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size_t ntxts;
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virNetworkDNSTxtDefPtr txts;
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size_t nhosts;
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virNetworkDNSHostDefPtr hosts;
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size_t nsrvs;
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virNetworkDNSSrvDefPtr srvs;
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};
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typedef struct _virNetworkIpDef virNetworkIpDef;
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typedef virNetworkIpDef *virNetworkIpDefPtr;
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struct _virNetworkIpDef {
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char *family; /* ipv4 or ipv6 - default is ipv4 */
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virSocketAddr address; /* Bridge IP address */
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/* One or the other of the following two will be used for a given
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* IP address, but never both. The parser guarantees this.
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* Use virNetworkIpDefPrefix/virNetworkIpDefNetmask rather
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* than accessing the data directly - these utility functions
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* will convert one into the other as necessary.
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*/
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unsigned int prefix; /* ipv6 - only prefix allowed */
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virSocketAddr netmask; /* ipv4 - either netmask or prefix specified */
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size_t nranges; /* Zero or more dhcp ranges */
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virSocketAddrRangePtr ranges;
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size_t nhosts; /* Zero or more dhcp hosts */
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virNetworkDHCPHostDefPtr hosts;
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char *tftproot;
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char *bootfile;
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virSocketAddr bootserver;
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};
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typedef struct _virNetworkForwardIfDef virNetworkForwardIfDef;
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typedef virNetworkForwardIfDef *virNetworkForwardIfDefPtr;
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struct _virNetworkForwardIfDef {
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int type;
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union {
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virDevicePCIAddress pci; /*PCI Address of device */
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/* when USB devices are supported a new variable to be added here */
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char *dev; /* name of device */
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}device;
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int connections; /* how many guest interfaces are connected to this device? */
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};
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typedef struct _virNetworkForwardPfDef virNetworkForwardPfDef;
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typedef virNetworkForwardPfDef *virNetworkForwardPfDefPtr;
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struct _virNetworkForwardPfDef {
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char *dev; /* name of device */
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int connections; /* how many guest interfaces are connected to this device? */
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};
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typedef struct _virNetworkForwardDef virNetworkForwardDef;
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typedef virNetworkForwardDef *virNetworkForwardDefPtr;
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struct _virNetworkForwardDef {
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int type; /* One of virNetworkForwardType constants */
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bool managed; /* managed attribute for hostdev mode */
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/* If there are multiple forward devices (i.e. a pool of
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* interfaces), they will be listed here.
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*/
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size_t npfs;
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virNetworkForwardPfDefPtr pfs;
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size_t nifs;
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virNetworkForwardIfDefPtr ifs;
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/* ranges for NAT */
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virSocketAddrRange addr;
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virPortRange port;
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};
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typedef struct _virPortGroupDef virPortGroupDef;
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typedef virPortGroupDef *virPortGroupDefPtr;
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struct _virPortGroupDef {
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char *name;
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bool isDefault;
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virNetDevVPortProfilePtr virtPortProfile;
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virNetDevBandwidthPtr bandwidth;
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virNetDevVlan vlan;
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};
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typedef struct _virNetworkDef virNetworkDef;
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typedef virNetworkDef *virNetworkDefPtr;
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struct _virNetworkDef {
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unsigned char uuid[VIR_UUID_BUFLEN];
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bool uuid_specified;
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char *name;
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int connections; /* # of guest interfaces connected to this network */
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char *bridge; /* Name of bridge device */
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char *domain;
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unsigned long delay; /* Bridge forward delay (ms) */
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unsigned int stp :1; /* Spanning tree protocol */
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virMacAddr mac; /* mac address of bridge device */
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bool mac_specified;
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/* specified if ip6tables rules added
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* when no ipv6 gateway addresses specified.
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*/
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bool ipv6nogw;
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virNetworkForwardDef forward;
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size_t nips;
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virNetworkIpDefPtr ips; /* ptr to array of IP addresses on this network */
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virNetworkDNSDef dns; /* dns related configuration */
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virNetDevVPortProfilePtr virtPortProfile;
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size_t nPortGroups;
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virPortGroupDefPtr portGroups;
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virNetDevBandwidthPtr bandwidth;
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virNetDevVlan vlan;
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};
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typedef struct _virNetworkObj virNetworkObj;
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typedef virNetworkObj *virNetworkObjPtr;
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struct _virNetworkObj {
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virMutex lock;
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pid_t dnsmasqPid;
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pid_t radvdPid;
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unsigned int active : 1;
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unsigned int autostart : 1;
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unsigned int persistent : 1;
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virNetworkDefPtr def; /* The current definition */
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virNetworkDefPtr newDef; /* New definition to activate at shutdown */
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virBitmapPtr class_id; /* bitmap of class IDs for QoS */
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unsigned long long floor_sum; /* sum of all 'floor'-s of attached NICs */
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};
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typedef struct _virNetworkObjList virNetworkObjList;
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typedef virNetworkObjList *virNetworkObjListPtr;
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struct _virNetworkObjList {
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unsigned int count;
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virNetworkObjPtr *objs;
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};
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static inline int
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virNetworkObjIsActive(const virNetworkObjPtr net)
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{
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return net->active;
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}
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virNetworkObjPtr virNetworkFindByUUID(const virNetworkObjListPtr nets,
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const unsigned char *uuid);
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virNetworkObjPtr virNetworkFindByName(const virNetworkObjListPtr nets,
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const char *name);
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void virNetworkDefFree(virNetworkDefPtr def);
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void virNetworkObjFree(virNetworkObjPtr net);
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void virNetworkObjListFree(virNetworkObjListPtr vms);
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virNetworkObjPtr virNetworkAssignDef(virNetworkObjListPtr nets,
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const virNetworkDefPtr def,
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bool live);
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int virNetworkObjAssignDef(virNetworkObjPtr network,
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const virNetworkDefPtr def,
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bool live);
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int virNetworkObjSetDefTransient(virNetworkObjPtr network, bool live);
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void virNetworkObjUnsetDefTransient(virNetworkObjPtr network);
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virNetworkDefPtr virNetworkObjGetPersistentDef(virNetworkObjPtr network);
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int virNetworkObjReplacePersistentDef(virNetworkObjPtr network,
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virNetworkDefPtr def);
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virNetworkDefPtr virNetworkDefCopy(virNetworkDefPtr def, unsigned int flags);
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int virNetworkConfigChangeSetup(virNetworkObjPtr dom, unsigned int flags);
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void virNetworkRemoveInactive(virNetworkObjListPtr nets,
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const virNetworkObjPtr net);
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virNetworkDefPtr virNetworkDefParseString(const char *xmlStr);
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virNetworkDefPtr virNetworkDefParseFile(const char *filename);
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virNetworkDefPtr virNetworkDefParseNode(xmlDocPtr xml,
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xmlNodePtr root);
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int virNetworkObjUpdateParseFile(const char *filename,
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virNetworkObjPtr net);
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char *virNetworkDefFormat(const virNetworkDefPtr def, unsigned int flags);
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static inline const char *
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virNetworkDefForwardIf(const virNetworkDefPtr def, size_t n)
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{
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return ((def->forward.ifs && (def->forward.nifs > n) &&
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def->forward.ifs[n].type == VIR_NETWORK_FORWARD_HOSTDEV_DEVICE_NETDEV)
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? def->forward.ifs[n].device.dev : NULL);
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}
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virPortGroupDefPtr virPortGroupFindByName(virNetworkDefPtr net,
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const char *portgroup);
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virNetworkIpDefPtr
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virNetworkDefGetIpByIndex(const virNetworkDefPtr def,
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int family, size_t n);
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int virNetworkIpDefPrefix(const virNetworkIpDefPtr def);
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int virNetworkIpDefNetmask(const virNetworkIpDefPtr def,
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virSocketAddrPtr netmask);
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int virNetworkSaveXML(const char *configDir,
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virNetworkDefPtr def,
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const char *xml);
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int virNetworkSaveConfig(const char *configDir,
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virNetworkDefPtr def);
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int virNetworkSaveStatus(const char *statusDir,
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virNetworkObjPtr net) ATTRIBUTE_RETURN_CHECK;
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virNetworkObjPtr virNetworkLoadConfig(virNetworkObjListPtr nets,
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const char *configDir,
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const char *autostartDir,
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const char *file);
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int virNetworkLoadAllConfigs(virNetworkObjListPtr nets,
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const char *configDir,
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const char *autostartDir);
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int virNetworkDeleteConfig(const char *configDir,
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const char *autostartDir,
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virNetworkObjPtr net);
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char *virNetworkConfigFile(const char *dir,
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const char *name);
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int virNetworkBridgeInUse(const virNetworkObjListPtr nets,
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const char *bridge,
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const char *skipname);
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char *virNetworkAllocateBridge(const virNetworkObjListPtr nets,
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const char *template);
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int virNetworkSetBridgeName(const virNetworkObjListPtr nets,
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virNetworkDefPtr def,
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int check_collision);
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void virNetworkSetBridgeMacAddr(virNetworkDefPtr def);
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int
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virNetworkObjUpdate(virNetworkObjPtr obj,
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unsigned int command, /* virNetworkUpdateCommand */
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unsigned int section, /* virNetworkUpdateSection */
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int parentIndex,
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const char *xml,
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unsigned int flags); /* virNetworkUpdateFlags */
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int virNetworkObjIsDuplicate(virNetworkObjListPtr doms,
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virNetworkDefPtr def,
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bool check_active);
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void virNetworkObjLock(virNetworkObjPtr obj);
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void virNetworkObjUnlock(virNetworkObjPtr obj);
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VIR_ENUM_DECL(virNetworkForward)
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# define VIR_CONNECT_LIST_NETWORKS_FILTERS_ACTIVE \
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(VIR_CONNECT_LIST_NETWORKS_ACTIVE | \
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VIR_CONNECT_LIST_NETWORKS_INACTIVE)
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# define VIR_CONNECT_LIST_NETWORKS_FILTERS_PERSISTENT \
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(VIR_CONNECT_LIST_NETWORKS_PERSISTENT | \
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VIR_CONNECT_LIST_NETWORKS_TRANSIENT)
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# define VIR_CONNECT_LIST_NETWORKS_FILTERS_AUTOSTART \
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(VIR_CONNECT_LIST_NETWORKS_AUTOSTART | \
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VIR_CONNECT_LIST_NETWORKS_NO_AUTOSTART)
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# define VIR_CONNECT_LIST_NETWORKS_FILTERS_ALL \
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(VIR_CONNECT_LIST_NETWORKS_FILTERS_ACTIVE | \
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VIR_CONNECT_LIST_NETWORKS_FILTERS_PERSISTENT | \
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VIR_CONNECT_LIST_NETWORKS_FILTERS_AUTOSTART)
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int virNetworkList(virConnectPtr conn,
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virNetworkObjList netobjs,
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virNetworkPtr **nets,
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unsigned int flags);
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#endif /* __NETWORK_CONF_H__ */
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