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/******************************************************************************
(c) 1999 Christine Caulfield christine.caulfield@googlemail.com
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
/*
* This routine reads a full record from the DECnet socket. it will
* block until the whole record has been received.
*
* Most of the functionality of this is (partially) implemented in Eduardo's
* kernel hence the #ifdefs here
*/
#include <stdio.h>
#include <sys/types.h>
#include <sys/socket.h>
#include <sys/uio.h>
#include <string.h>
#include <stdlib.h>
#include <netdnet/dn.h>
#include <netdnet/dnetdb.h>
int dnet_recv(int s, void *buf, int len, unsigned int flags)
{
unsigned int recvflags = flags;
if (recvflags & MSG_EOR)
recvflags ^= MSG_EOR;
/* Do MSG_EOR... */
#ifdef SDF_UICPROXY // Steve's kernel
if (flags & MSG_EOR)
{
struct iovec iov;
struct msghdr msg;
int status;
size_t offset = 0;
msg.msg_control = NULL;
msg.msg_controllen = 0;
msg.msg_iovlen = 1;
msg.msg_iov = &iov;
msg.msg_name = NULL;
msg.msg_namelen = 0;
iov.iov_len = len;
iov.iov_base = buf;
do
{
status = recvmsg(s, &msg, recvflags);
offset += status;
iov.iov_base += status;
}
while (status > 0 && !(msg.msg_flags & MSG_EOR));
if (status > 0) status = offset; /* Return size read */
return status;
}
else
#endif
{
return recv(s, buf, len, recvflags);
}
}
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