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monitor: Print RTNL ADDRESS messages

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Print RTM_NEWADDR, RTM_DELADDR and RTM_GETADDR messages header
and its attributes.
This commit is contained in:
Ravi kumar Veeramally 2015-02-04 13:06:29 +02:00 committed by Denis Kenzior
parent 30573d71c5
commit ea4158c76c
1 changed files with 46 additions and 0 deletions
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46
monitor/nlmon.c
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@ -2169,6 +2169,32 @@ static struct attr_entry info_entry[] = {
{ },
};
static void print_inet_addr(unsigned int indent, const char *str,
const void *buf, uint16_t size)
{
struct in_addr addr;
if (size != sizeof(struct in_addr))
return;
addr = *((struct in_addr *) buf);
print_attr(indent, "%s: %s", str, inet_ntoa(addr));
}
static struct attr_entry addr_entry[] = {
{ IFA_ADDRESS, "Interface Address", ATTR_CUSTOM,
{ .function = print_inet_addr } },
{ IFA_LOCAL, "Local Address", ATTR_CUSTOM,
{ .function = print_inet_addr } },
{ IFA_BROADCAST, "Broadcast Address", ATTR_CUSTOM,
{ .function = print_inet_addr } },
{ IFA_ANYCAST, "Anycast Address", ATTR_CUSTOM,
{ .function = print_inet_addr } },
{ IFA_LABEL, "Label", ATTR_STRING },
{ IFA_CACHEINFO, "CacheInfo", ATTR_BINARY },
{ },
};
static void print_rtnl_attributes(int indent, const struct attr_entry *table,
struct rtattr *rt_attr, int len)
{
@ -2343,6 +2369,18 @@ static void print_ifinfomsg(const struct ifinfomsg *info)
print_field("IFLA Flags: %s", str);
}
static void print_ifaddrmsg(const struct ifaddrmsg *addr)
{
if (!addr)
return;
print_field("IFA Family: %u", addr->ifa_family);
print_field("IFA Prefixlen: %u", addr->ifa_prefixlen);
print_field("IFA Index: %d", addr->ifa_index);
print_field("IFA Scope: %u", addr->ifa_scope);
print_field("IFA Flags: %u", addr->ifa_flags);
}
static void print_rtm_link(uint16_t type, const struct ifinfomsg *info, int len)
{
if (!info || len <= 0)
@ -2461,6 +2499,7 @@ static void print_rtnl_msg(const struct timeval *tv,
const struct nlmsghdr *nlmsg)
{
struct ifinfomsg *info;
struct ifaddrmsg *addr;
int len;
switch (nlmsg->nlmsg_type) {
@ -2477,7 +2516,14 @@ static void print_rtnl_msg(const struct timeval *tv,
case RTM_NEWADDR:
case RTM_DELADDR:
case RTM_GETADDR:
addr = (struct ifaddrmsg *) NLMSG_DATA(nlmsg);
len = IFA_PAYLOAD(nlmsg);
if (!addr || len <= 0)
return;
print_nlmsghdr(tv, nlmsg);
print_ifaddrmsg(addr);
print_rtnl_attributes(1, addr_entry, IFA_RTA(addr), len);
break;
}
}