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/*
* %CopyrightBegin%
*
* Copyright Ericsson AB 2001-2016. All Rights Reserved.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* %CopyrightEnd%
*
*/
#ifdef __WIN32__
#include <winsock2.h>
#include <windows.h>
#include <winbase.h>
#elif VXWORKS
#include <sys/types.h>
#include <unistd.h>
#else /* unix */
#include <sys/types.h>
#include <unistd.h>
#include <sys/uio.h>
#endif
#include "eidef.h"
#include "eiext.h"
#include "ei_connect.h"
#include "ei_internal.h"
#include "putget.h"
#include "ei_trace.h"
#include "show_msg.h"
/* FIXME this is not useed !!!!! */
/* length (4), PASS_THROUGH (1), header, message */
int ei_ei_send_encoded(ei_cnode* ec, int fd, const erlang_pid *to,
const char *msg, int msglen)
{
char *s, header[1200]; /* see size calculation below */
erlang_trace *token = NULL;
int index = 5; /* reserve 5 bytes for control message */
#ifdef HAVE_WRITEV
struct iovec v[2];
#endif
/* are we tracing? */
/* check that he can receive trace tokens first */
if (ei_distversion(fd) > 0)
token = ei_trace(0,(erlang_trace *)NULL);
/* header = SEND, cookie, to max sizes: */
ei_encode_version(header,&index); /* 1 */
if (token) {
ei_encode_tuple_header(header,&index,4); /* 2 */
ei_encode_long(header,&index,ERL_SEND_TT); /* 2 */
} else {
ei_encode_tuple_header(header,&index,3);
ei_encode_long(header,&index,ERL_SEND);
}
ei_encode_atom(header,&index, "" /*ei_getfdcookie(ec, fd)*/); /* 258 */
ei_encode_pid(header,&index,to); /* 268 */
if (token) ei_encode_trace(header,&index,token); /* 534 */
/* control message (precedes header actually) */
/* length = 1 ('p') + header len + message len */
s = header;
put32be(s, index + msglen - 4); /* 4 */
put8(s, ERL_PASS_THROUGH); /* 1 */
/*** sum: 1070 */
#ifdef DEBUG_DIST
if (ei_trace_distribution > 0) ei_show_sendmsg(stderr,header,msg);
#endif
#ifdef HAVE_WRITEV
v[0].iov_base = (char *)header;
v[0].iov_len = index;
v[1].iov_base = (char *)msg;
v[1].iov_len = msglen;
if (writev(fd,v,2) != index+msglen) return -1;
#else /* !HAVE_WRITEV */
if (writesocket(fd,header,index) != index) return -1;
if (writesocket(fd,msg,msglen) != msglen) return -1;
#endif /* !HAVE_WRITEV */
return 0;
}
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