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nl: Allow to overwrite nl_send() 

Up to now only calls to nl_send_auto() could be overwritten with
nl_cb_overwrite_send(). This patch extends the capability to
nl_send()

Signed-off-by: Thomas Graf <tgraf@redhat.com>
This commit is contained in:
Thomas Graf 2012-11-08 13:19:07 +01:00
parent b132ee7e27
commit fd6f205f8a
1 changed files with 17 additions and 11 deletions
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28
lib/nl.c
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@ -331,6 +331,10 @@ int nl_send_iovec(struct nl_sock *sk, struct nl_msg *msg, struct iovec *iov, uns
* If present in the `msg`, credentials set by the nlmsg_set_creds() function
* are added to the control buffer of the message.
*
* @par Overwriting Capability:
* Calls to this function can be overwritten by providing an alternative using
* the nl_cb_overwrite_send() function.
*
* @callback This function triggers the `NL_CB_MSG_OUT` callback.
*
* @attention
@ -343,17 +347,24 @@ int nl_send_iovec(struct nl_sock *sk, struct nl_msg *msg, struct iovec *iov, uns
* @see nl_socket_set_peer_groups()
* @see nlmsg_set_dst()
* @see nlmsg_set_creds()
* @see nl_cb_overwrite_send()
*
* @return Number of bytes sent on success or a negative error code.
*/
int nl_send(struct nl_sock *sk, struct nl_msg *msg)
{
struct iovec iov = {
.iov_base = (void *) nlmsg_hdr(msg),
.iov_len = nlmsg_hdr(msg)->nlmsg_len,
};
struct nl_cb *cb = sk->s_cb;
return nl_send_iovec(sk, msg, &iov, 1);
if (cb->cb_send_ow)
return cb->cb_send_ow(sk, msg);
else {
struct iovec iov = {
.iov_base = (void *) nlmsg_hdr(msg),
.iov_len = nlmsg_hdr(msg)->nlmsg_len,
};
return nl_send_iovec(sk, msg, &iov, 1);
}
}
/**
@ -411,14 +422,9 @@ void nl_complete_msg(struct nl_sock *sk, struct nl_msg *msg)
*/
int nl_send_auto(struct nl_sock *sk, struct nl_msg *msg)
{
struct nl_cb *cb = sk->s_cb;
nl_complete_msg(sk, msg);
if (cb->cb_send_ow)
return cb->cb_send_ow(sk, msg);
else
return nl_send(sk, msg);
return nl_send(sk, msg);
}
/**