ci_inline void ci_udp_recvmsg_fill_msghdr(ci_netif* ni, ci_msghdr* msg,
const ci_ip_pkt_fmt* pkt,
ci_sock_cmn* s)
{
#ifndef __KERNEL__
const ci_udp_hdr* udp;
const ci_ip4_hdr* ip;
if( msg != NULL ) {
if( msg->msg_name != NULL ) {
if( pkt->flags & CI_PKT_FLAG_RX_INDIRECT )
pkt = PKT_CHK_NNL(ni, pkt->frag_next);
ip = oo_ip_hdr_const(pkt);
udp = (const ci_udp_hdr*) ((char*) ip + CI_IP4_IHL(ip));
ci_addr_to_user(CI_SA(msg->msg_name), &msg->msg_namelen,
s->domain, udp->udp_source_be16, ip->ip_saddr_be32);
}
}
#endif
}
int ci_tcp_getpeername(citp_socket* ep, struct sockaddr* name,
socklen_t* namelen)
{
ci_sock_cmn* s = ep->s;
int rc;
CHECK_TEP_NNL(ep);
/* If we're not connected... */
if( ! (s->b.state & CI_TCP_STATE_SYNCHRONISED) ||
s->b.state == CI_TCP_TIME_WAIT )
CI_SET_ERROR(rc, ENOTCONN);
else if( name == NULL || namelen == NULL )
CI_SET_ERROR(rc, EFAULT);
else {
ci_addr_to_user(name, namelen, s->domain,
S_TCP_HDR(s)->tcp_dest_be16, s->pkt.ip.ip_daddr_be32);
rc = 0;
}
return rc;
}
/*! \todo we can simplify this a lot by letting the kernel have it! */
int ci_udp_getpeername(citp_socket*ep, struct sockaddr* name, socklen_t* namelen)
{
ci_udp_state* us;
CHECK_UEP(ep);
us = SOCK_TO_UDP(ep->s);
/*
* At first, it's necessary to check whether socket is connected or
* not, since we can return ENOTCONN even if name and/or namelen are
* not valid.
*/
if( udp_raddr_be32(us) == 0 ) {
RET_WITH_ERRNO(ENOTCONN);
} else if( name == NULL || namelen == NULL ) {
RET_WITH_ERRNO(EFAULT);
} else {
ci_addr_to_user(name, namelen, ep->s->domain,
udp_rport_be16(us), udp_raddr_be32(us));
return 0;
}
}
