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/*-
* Copyright (c) 2009-2010 The FreeBSD Foundation
* All rights reserved.
*
* This software was developed by Pawel Jakub Dawidek under sponsorship from
* the FreeBSD Foundation.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHORS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#include <sys/cdefs.h>
__FBSDID("$FreeBSD$");
#include <sys/types.h>
#include <sys/socket.h>
#include <assert.h>
#include <errno.h>
#include <stdlib.h>
#include <strings.h>
#include "proto_impl.h"
/* Maximum size of packet we want to use when sending data. */
#ifndef MAX_SEND_SIZE
//#define MAX_SEND_SIZE 32768
#define MAX_SEND_SIZE 131072
#endif
int
proto_common_send(int fd, const unsigned char *data, size_t size)
{
ssize_t done;
size_t sendsize;
do {
sendsize = size < MAX_SEND_SIZE ? size : MAX_SEND_SIZE;
done = send(fd, data, sendsize, MSG_NOSIGNAL);
if (done == 0)
return (ENOTCONN);
else if (done < 0) {
if (errno == EAGAIN)
continue;
return (errno);
}
data += done;
size -= done;
} while (size > 0);
return (0);
}
int
proto_common_recv(int fd, unsigned char *data, size_t size)
{
ssize_t done;
do {
done = recv(fd, data, size, MSG_WAITALL);
} while (done == -1 && errno == EAGAIN);
if (done == 0)
return (ENOTCONN);
else if (done < 0)
return (errno);
return (0);
}
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