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apps/examples/netlink_route: Add test/example of NETLINK_ROUTE 'get' opeations. apps/netutils/netlib: Fixes to NETLINK_ROUTE helpers found by testing with apps/examples/netlink_route.

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This commit is contained in:
Gregory Nutt
2019-11-11 13:40:57 -06:00
parent 0276088d5a
commit 449290c8da
10 changed files with 529 additions and 28 deletions
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24
netutils/netlib/netlib_getdevs.c
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@@ -107,7 +107,7 @@ ssize_t netlib_get_devices(FAR struct netlib_device_s *devlist,
unsigned int thiseq;
ssize_t nsent;
ssize_t nrecvd;
size_t ncopied;
size_t ncopied = 0;
pid_t pid;
bool enddump;
int fd;
@@ -133,7 +133,7 @@ ssize_t netlib_get_devices(FAR struct netlib_device_s *devlist,
ret = bind(fd, (FAR const struct sockaddr *)&addr,
sizeof( struct sockaddr_nl));
if (fd < 0)
if (ret < 0)
{
int errcode = errno;
fprintf(stderr, "ERROR: bind() failed: %d\n", errcode);
@@ -179,8 +179,7 @@ ssize_t netlib_get_devices(FAR struct netlib_device_s *devlist,
/* Verify the data and transfer the device list to the caller */
if (nrecvd != sizeof(struct netlib_recvfrom_response_s) ||
resp.hdr.nlmsg_len < sizeof(struct nlmsghdr) ||
if (resp.hdr.nlmsg_len < sizeof(struct nlmsghdr) ||
resp.hdr.nlmsg_len != nrecvd)
{
fprintf(stderr, "ERROR: Bad message\n");
@@ -211,14 +210,23 @@ ssize_t netlib_get_devices(FAR struct netlib_device_s *devlist,
case RTM_NEWLINK:
{
FAR struct rtattr *attr;
int len;
unsigned int attrlen;
/* Verify the expected message length */
if (nrecvd != sizeof(struct netlib_recvfrom_response_s))
{
fprintf(stderr, "ERROR: Bad massage size: %ld\n", (long)nrecvd);
goto errout_with_socket;
}
/* Decode the response */
attr = &resp.attr;
len = RTA_PAYLOAD(attr);
attr = &resp.attr;
attrlen = resp.hdr.nlmsg_len - sizeof(struct nlmsghdr) -
sizeof(struct ifinfomsg);
for (; RTA_OK(attr, len); attr = RTA_NEXT(attr, len))
for (; RTA_OK(attr, attrlen); attr = RTA_NEXT(attr, attrlen))
{
switch (attr->rta_type)
{