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/*
* Copyright (c) 2017 Intel Corporation. All rights reserved.
*
* This software is available to you under the BSD license
* below:
*
* Redistribution and use in source and binary forms, with or
* without modification, are permitted provided that the following
* conditions are met:
*
* - Redistributions of source code must retain the above
* copyright notice, this list of conditions and the following
* disclaimer.
*
* - 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.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
#include <stdio.h>
#include <stdlib.h>
#include <getopt.h>
#include <rdma/fi_cm.h>
#include <shared.h>
static int listener;
static int run(void)
{
int ret;
ret = ft_getinfo(hints, &fi);
if (ret)
return ret;
ret = ft_open_fabric_res();
if (ret)
return ret;
if (!listener)
fi->tx_attr->op_flags = FI_MULTICAST;
ret = ft_alloc_active_res(fi);
if (ret)
return ret;
ret = ft_enable_ep_recv();
if (ret)
return ret;
ret = ft_join_mc();
if (ret)
return ret;
remote_fi_addr = fi_mc_addr(mc);
return listener ? ft_recv_greeting(ep) : ft_send_greeting(ep);
}
int main(int argc, char **argv)
{
int op, ret;
opts = INIT_OPTS;
opts.options |= FT_OPT_SIZE;
hints = fi_allocinfo();
if (!hints)
return EXIT_FAILURE;
while ((op = getopt(argc, argv, "Mh" ADDR_OPTS INFO_OPTS)) != -1) {
switch (op) {
default:
ft_parse_addr_opts(op, optarg, &opts);
ft_parseinfo(op, optarg, hints, &opts);
break;
case 'M':
listener = 1;
break;
case '?':
case 'h':
goto usage;
}
}
if (optind == argc)
goto usage;
opts.dst_addr = argv[optind];
hints->ep_attr->type = FI_EP_DGRAM;
hints->caps = FI_MSG | FI_MULTICAST;
hints->mode = FI_CONTEXT;
hints->domain_attr->mr_mode = opts.mr_mode;
hints->addr_format = opts.address_format;
ret = run();
ft_free_res();
return ft_exit_code(ret);
usage:
ft_mcusage(argv[0], "A simple multicast example.");
return EXIT_FAILURE;
}
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