---
.../mibgroup/if-mib/data_access/interface_linux.c | 55 +++++++++++---------
1 file changed, 31 insertions(+), 24 deletions(-)
diff --git a/agent/mibgroup/if-mib/data_access/interface_linux.c
b/agent/mibgroup/if-mib/data_access/interface_linux.c
index e291b9f..d4ac61b 100644
--- a/agent/mibgroup/if-mib/data_access/interface_linux.c
+++ b/agent/mibgroup/if-mib/data_access/interface_linux.c
@@ -69,14 +69,12 @@ typedef __u8 u8; /* ditto */
#define SIOCGMIIREG 0x8948
#endif
-#ifdef NETSNMP_ENABLE_IPV6
#if defined(HAVE_LINUX_RTNETLINK_H)
#include <linux/rtnetlink.h>
-#ifdef RTMGRP_IPV6_PREFIX
+#if defined(NETSNMP_ENABLE_IPV6) && defined(RTMGRP_IPV6_PREFIX)
#define SUPPORT_PREFIX_FLAGS 1
-#endif /* RTMGRP_IPV6_PREFIX */
+#endif
#endif /* HAVE_LINUX_RTNETLINK_H */
-#endif /* NETSNMP_ENABLE_IPV6 */
unsigned long long
netsnmp_linux_interface_get_if_speed(int fd, const char *name,
unsigned long long defaultspeed);
@@ -1023,42 +1021,51 @@ netsnmp_linux_interface_get_if_speed(int fd, const char
*name,
}
return retspeed;
}
-#ifdef SUPPORT_PREFIX_FLAGS
-void netsnmp_prefix_process(int fd, void *data);
-/* Open netlink socket to watch new ipv6 addresses and prefixes. */
-int netsnmp_prefix_listen()
+#ifdef HAVE_LINUX_RTNETLINK_H
+static int netsnmp_netlink_listen(unsigned subscriptions)
{
- struct {
- struct nlmsghdr n;
- struct ifinfomsg r;
- char buf[1024];
- } req;
-
- struct rtattr *rta;
- int status;
struct sockaddr_nl localaddrinfo;
- unsigned groups = 0;
-
int fd = socket(PF_NETLINK, SOCK_DGRAM, NETLINK_ROUTE);
if (fd < 0) {
- snmp_log(LOG_ERR, "netsnmp_prefix_listen: Cannot create socket.\n");
- return -1;
+ snmp_log(LOG_ERR, "netsnmp_netlink_listen: Cannot create socket.\n");
+ return -1;
}
memset(&localaddrinfo, 0, sizeof(struct sockaddr_nl));
- groups |= RTMGRP_IPV6_IFADDR;
- groups |= RTMGRP_IPV6_PREFIX;
localaddrinfo.nl_family = AF_NETLINK;
- localaddrinfo.nl_groups = groups;
+ localaddrinfo.nl_groups = subscriptions;
if (bind(fd, (struct sockaddr*)&localaddrinfo, sizeof(localaddrinfo)) < 0)
{
- snmp_log(LOG_ERR,"netsnmp_prefix_listen: Bind failed.\n");
+ snmp_log(LOG_ERR,"netsnmp_netlink_listen: Bind failed.\n");
close(fd);
return -1;
}
+ return fd;
+}
+#endif
+
+#ifdef SUPPORT_PREFIX_FLAGS
+void netsnmp_prefix_process(int fd, void *data);
+
+/* Open netlink socket to watch new ipv6 addresses and prefixes. */
+int netsnmp_prefix_listen()
+{
+ struct {
+ struct nlmsghdr n;
+ struct ifinfomsg r;
+ char buf[1024];
+ } req;
+
+ struct rtattr *rta;
+ int status;
+
+ int fd = netsnmp_netlink_listen(RTMGRP_IPV6_IFADDR |
+ RTMGRP_IPV6_PREFIX);
+ if (fd < 0) return -1;
+
memset(&req, 0, sizeof(req));
req.n.nlmsg_len = NLMSG_LENGTH(sizeof(struct ifinfomsg));
req.n.nlmsg_flags = NLM_F_REQUEST | NLM_F_ROOT;
--
1.7.10.4
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