140 lines
4 KiB
C
140 lines
4 KiB
C
/*
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* Copyright (C) 2019 by Sukchan Lee <acetcom@gmail.com>
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*
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* This file is part of Open5GS.
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <https://www.gnu.org/licenses/>.
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*/
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#ifndef OGS_SCTP_H
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#define OGS_SCTP_H
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#include "app/ogs-app.h"
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#include "sctp/sctp-config.h"
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#define OGS_SCTP_INSIDE
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/* Nothing */
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#undef OGS_SCTP_INSIDE
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#ifdef __cplusplus
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extern "C" {
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#endif
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extern int __ogs_sctp_domain;
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#undef OGS_LOG_DOMAIN
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#define OGS_LOG_DOMAIN __ogs_sctp_domain
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#define OGS_S1AP_SCTP_PORT 36412
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#define OGS_SGSAP_SCTP_PORT 29118
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#define OGS_NGAP_SCTP_PORT 38412
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#define OGS_SCTP_S1AP_PPID 18
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#define OGS_SCTP_X2AP_PPID 27
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#define OGS_SCTP_SGSAP_PPID 0
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#define OGS_SCTP_NGAP_PPID 60
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#define ogs_sctp_ppid_in_pkbuf(__pkBUF) (__pkBUF)->param[0]
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#define ogs_sctp_stream_no_in_pkbuf(__pkBUF) (__pkBUF)->param[1]
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#if HAVE_USRSCTP
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#undef MSG_NOTIFICATION
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#define MSG_NOTIFICATION 0x2000
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#ifndef INET
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#define INET 1
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#endif
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#ifndef INET6
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#define INET6 1
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#endif
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#include <usrsctp.h>
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ogs_sockaddr_t *ogs_usrsctp_remote_addr(union sctp_sockstore *store);
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void ogs_sctp_destroy(ogs_sock_t *sock);
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ogs_sock_t *ogs_sctp_accept(ogs_sock_t *sock);
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#else
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#if HAVE_NETINET_SCTP_H
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#include <netinet/sctp.h>
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#endif
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#define ogs_sctp_destroy ogs_sock_destroy
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#define ogs_sctp_accept ogs_sock_accept
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#endif
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typedef struct ogs_sctp_sock_s {
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int type; /* SOCK_STREAM or SOCK_SEQPACKET */
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ogs_sock_t *sock; /* Socket */
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ogs_sockaddr_t *addr; /* Address */
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struct {
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ogs_poll_t *read; /* Read Poll */
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ogs_poll_t *write; /* Write Poll */
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} poll;
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ogs_list_t write_queue; /* Write Queue for Sending S1AP message */
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} ogs_sctp_sock_t;
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typedef struct ogs_sctp_info_s {
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uint32_t ppid;
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uint16_t stream_no;
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uint16_t inbound_streams;
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uint16_t outbound_streams;
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} ogs_sctp_info_t;
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void ogs_sctp_init(uint16_t port);
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void ogs_sctp_final(void);
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ogs_sock_t *ogs_sctp_socket(int family, int type);
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ogs_sock_t *ogs_sctp_server(
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int type, ogs_sockaddr_t *sa_list, ogs_sockopt_t *socket_option);
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ogs_sock_t *ogs_sctp_client(
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int type, ogs_sockaddr_t *sa_list, ogs_sockopt_t *socket_option);
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int ogs_sctp_bind(ogs_sock_t *sock, ogs_sockaddr_t *sa_list);
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int ogs_sctp_connect(ogs_sock_t *sock, ogs_sockaddr_t *sa_list);
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int ogs_sctp_listen(ogs_sock_t *sock);
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int ogs_sctp_peer_addr_params(ogs_sock_t *sock, ogs_sockopt_t *option);
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int ogs_sctp_rto_info(ogs_sock_t *sock, ogs_sockopt_t *option);
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int ogs_sctp_initmsg(ogs_sock_t *sock, ogs_sockopt_t *option);
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int ogs_sctp_nodelay(ogs_sock_t *sock, int on);
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int ogs_sctp_so_linger(ogs_sock_t *sock, int l_linger);
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int ogs_sctp_sendmsg(ogs_sock_t *sock, const void *msg, size_t len,
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ogs_sockaddr_t *to, uint32_t ppid, uint16_t stream_no);
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int ogs_sctp_recvmsg(ogs_sock_t *sock, void *msg, size_t len,
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ogs_sockaddr_t *from, ogs_sctp_info_t *sinfo, int *msg_flags);
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int ogs_sctp_recvdata(ogs_sock_t *sock, void *msg, size_t len,
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ogs_sockaddr_t *from, ogs_sctp_info_t *sinfo);
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int ogs_sctp_senddata(ogs_sock_t *sock,
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ogs_pkbuf_t *pkbuf, ogs_sockaddr_t *addr);
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void ogs_sctp_write_to_buffer(ogs_sctp_sock_t *sctp, ogs_pkbuf_t *pkbuf);
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void ogs_sctp_flush_and_destroy(ogs_sctp_sock_t *sctp);
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#ifdef __cplusplus
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}
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#endif
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#endif /* OGS_SCTP_H */
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