open5gs/src/mme/ogs-sctp.c

100 lines
3.4 KiB
C

/*
* Copyright (C) 2019 by Sukchan Lee <acetcom@gmail.com>
*
* This file is part of Open5GS.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
#include "ogs-sctp.h"
void ogs_sctp_set_option(ogs_sockopt_t *option, ogs_socknode_t *node)
{
ogs_assert(option);
if (node) {
if (node->option.sctp.heartbit_interval) {
option->sctp.heartbit_interval =
node->option.sctp.heartbit_interval;
ogs_debug("[SCTP] heartbit_interval - [%d]",
option->sctp.heartbit_interval);
}
if (node->option.sctp.rto_initial) {
option->sctp.rto_initial = node->option.sctp.rto_initial;
ogs_debug("[SCTP] rto_initial - [%d]",
option->sctp.rto_initial);
}
if (node->option.sctp.rto_min) {
option->sctp.rto_min = node->option.sctp.rto_min;
ogs_debug("[SCTP] rto_min - [%d]",
option->sctp.rto_min);
}
if (node->option.sctp.rto_max) {
option->sctp.rto_max = node->option.sctp.rto_max;
ogs_debug("[SCTP] rto_max - [%d]", option->sctp.rto_max);
}
if (node->option.sctp.max_num_of_ostreams) {
option->sctp.max_num_of_ostreams =
node->option.sctp.max_num_of_ostreams;
ogs_debug("[SCTP] max_num_of_ostreams - [%d]",
option->sctp.max_num_of_ostreams);
}
if (node->option.sctp.max_num_of_istreams) {
option->sctp.max_num_of_istreams =
node->option.sctp.max_num_of_istreams;
ogs_debug("[SCTP] max_num_of_istreams - [%d]",
option->sctp.max_num_of_istreams);
}
if (node->option.sctp.max_attempts) {
option->sctp.max_attempts = node->option.sctp.max_attempts;
ogs_debug("[SCTP] max_attempts - [%d]",
option->sctp.max_attempts);
}
if (node->option.sctp.max_initial_timeout) {
option->sctp.max_initial_timeout =
node->option.sctp.max_initial_timeout;
ogs_debug("[SCTP] max_initial_timeout - [%d]",
option->sctp.max_initial_timeout);
}
}
}
int ogs_sctp_recvdata(ogs_sock_t *sock, void *msg, size_t len,
ogs_sockaddr_t *from, ogs_sctp_info_t *sinfo)
{
int size;
int flags = 0;
do {
size = ogs_sctp_recvmsg(sock, msg, len, from, sinfo, &flags);
if (size < 0) {
ogs_log_message(OGS_LOG_ERROR, ogs_socket_errno,
"ogs_sctp_recvdata(%d)", size);
return size;
}
if (flags & MSG_NOTIFICATION) {
/* Nothing */
}
else if (flags & MSG_EOR) {
break;
}
else {
ogs_assert_if_reached();
}
} while(1);
return size;
}