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updated netlink handling.

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This commit is contained in:
Nikos Mavrogiannopoulos
2014-01-30 20:51:00 +01:00
parent ab7a5623ad
commit 4ce8365873
1 changed files with 15 additions and 15 deletions
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src/occtl-nl.c
+15 -15
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@@ -35,13 +35,11 @@
static struct nl_sock *sock = NULL; static struct nl_sock *sock = NULL;
static struct nl_cache *cache = NULL; static struct nl_cache *cache = NULL;
static struct rtnl_link *rlink = NULL;
static int nl_failed = 0; static int nl_failed = 0;
static int open_netlink(const char* iface) static int open_netlink(void)
{ {
int err; int err;
int if_idx;
if (sock != NULL) if (sock != NULL)
return 0; return 0;
@@ -65,17 +63,6 @@ int if_idx;
goto error; goto error;
} }
if (!(if_idx = rtnl_link_name2i(cache, iface))) {
fprintf(stderr, "nl: cannot find %s\n", iface);
goto error;
}
rlink = rtnl_link_get (cache, if_idx);
if (rlink == NULL) {
fprintf(stderr, "nl: cannot get rlink\n");
goto error;
}
return 0; return 0;
error: error:
if (sock != NULL) { if (sock != NULL) {
@@ -129,13 +116,26 @@ void print_iface_stats(const char *iface, time_t since, FILE * out)
uint64_t tx, rx; uint64_t tx, rx;
char buf1[32], buf2[32]; char buf1[32], buf2[32];
time_t diff = time(0) - since; time_t diff = time(0) - since;
int if_idx;
struct rtnl_link *rlink = NULL;
if (iface == NULL || iface[0] == 0) if (iface == NULL || iface[0] == 0)
return; return;
if (open_netlink(iface) < 0) if (open_netlink() < 0)
return; return;
if (!(if_idx = rtnl_link_name2i(cache, iface))) {
fprintf(stderr, "nl: cannot find %s\n", iface);
return;
}
rlink = rtnl_link_get (cache, if_idx);
if (rlink == NULL) {
fprintf(stderr, "nl: cannot get rlink\n");
return;
}
rx = rtnl_link_get_stat(rlink, RTNL_LINK_RX_BYTES); rx = rtnl_link_get_stat(rlink, RTNL_LINK_RX_BYTES);
tx = rtnl_link_get_stat(rlink, RTNL_LINK_TX_BYTES); tx = rtnl_link_get_stat(rlink, RTNL_LINK_TX_BYTES);