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virNetDevClearIPv4Address: netlink implementation

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This commit is contained in:
Cédric Bosdonnat 2014-08-06 14:11:13 +02:00
parent 9c9da6022c
commit 3c318dc910
1 changed files with 45 additions and 15 deletions
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60
src/util/virnetdev.c
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@ -1052,6 +1052,47 @@ virNetDevAddRoute(const char *ifname,
goto cleanup;
}
/**
* virNetDevClearIPv4Address:
* @ifname: the interface name
* @addr: the IP address (IPv4 or IPv6)
* @prefix: number of 1 bits in the netmask
*
* Delete an IP address from an interface.
*
* Returns 0 in case of success or -1 in case of error.
*/
int virNetDevClearIPv4Address(const char *ifname,
virSocketAddr *addr,
unsigned int prefix)
{
int ret = -1;
struct nl_msg *nlmsg = NULL;
struct nlmsghdr *resp = NULL;
unsigned int recvbuflen;
if (!(nlmsg = virNetDevCreateNetlinkAddressMessage(RTM_DELADDR, ifname,
addr, prefix,
NULL)))
goto cleanup;
if (virNetlinkCommand(nlmsg, &resp, &recvbuflen, 0, 0,
NETLINK_ROUTE, 0) < 0)
goto cleanup;
if (virNetlinkGetErrorCode(resp, recvbuflen) < 0) {
virReportError(VIR_ERR_SYSTEM_ERROR,
_("Error removing IP address from %s"), ifname);
goto cleanup;
}
ret = 0;
cleanup:
nlmsg_free(nlmsg);
VIR_FREE(resp);
return ret;
}
#else /* defined(__linux__) && defined(HAVE_LIBNL) */
int virNetDevSetIPAddress(const char *ifname,
@ -1134,18 +1175,6 @@ virNetDevAddRoute(const char *ifname,
virCommandFree(cmd);
return ret;
}
#endif /* defined(__linux__) && defined(HAVE_LIBNL) */
/**
* virNetDevClearIPv4Address:
* @ifname: the interface name
* @addr: the IP address (IPv4 or IPv6)
* @prefix: number of 1 bits in the netmask
*
* Delete an IP address from an interface.
*
* Returns 0 in case of success or -1 in case of error.
*/
int virNetDevClearIPv4Address(const char *ifname,
virSocketAddr *addr,
@ -1157,7 +1186,7 @@ int virNetDevClearIPv4Address(const char *ifname,
if (!(addrstr = virSocketAddrFormat(addr)))
goto cleanup;
#ifdef IFCONFIG_PATH
# ifdef IFCONFIG_PATH
cmd = virCommandNew(IFCONFIG_PATH);
virCommandAddArg(cmd, ifname);
if (VIR_SOCKET_ADDR_IS_FAMILY(addr, AF_INET6))
@ -1166,12 +1195,12 @@ int virNetDevClearIPv4Address(const char *ifname,
virCommandAddArg(cmd, "inet");
virCommandAddArgFormat(cmd, "%s/%u", addrstr, prefix);
virCommandAddArg(cmd, "-alias");
#else
# else
cmd = virCommandNew(IP_PATH);
virCommandAddArgList(cmd, "addr", "del", NULL);
virCommandAddArgFormat(cmd, "%s/%u", addrstr, prefix);
virCommandAddArgList(cmd, "dev", ifname, NULL);
#endif
# endif
if (virCommandRun(cmd, NULL) < 0)
goto cleanup;
@ -1183,6 +1212,7 @@ int virNetDevClearIPv4Address(const char *ifname,
return ret;
}
#endif /* defined(__linux__) && defined(HAVE_LIBNL) */
/**
* virNetDevGetIPv4Address: