57 lines
1.7 KiB
Plaintext
57 lines
1.7 KiB
Plaintext
/* dual-faced port sitting on top of IPL4_asp UDP to encode/decode PFCP
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*
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* (C) 2022 sysmocom - s.f.m.c. GmbH <info@sysmocom.de>
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* All rights reserved.
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*
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* Released under the terms of GNU General Public License, Version 2 or
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* (at your option) any later version.
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*
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* SPDX-License-Identifier: GPL-2.0-or-later
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*/
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module PFCP_CodecPort {
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import from IPL4asp_PortType all;
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import from IPL4asp_Types all;
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import from PFCP_Types all;
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/* identifies a remote peer (sender or receiver) */
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type record PFCP_Peer {
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ConnectionId conn_id,
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HostName remote_name,
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PortNumber remote_port
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}
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type record PFCP_Unitdata {
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PFCP_Peer peer,
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PDU_PFCP pdu
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}
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/* Translation port on top of IPL4asp; ASP_Event passed through transparently */
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type port PFCP_PT message {
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out PFCP_Unitdata;
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in PFCP_Unitdata,
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ASP_ConnId_ReadyToRelease,
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ASP_Event;
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} with { extension "user IPL4asp_PT
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out(PFCP_Unitdata -> ASP_SendTo: function(f_enc_pfcp_unitdata))
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in(ASP_RecvFrom -> PFCP_Unitdata: function(f_dec_pfcp_unitdata);
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ASP_ConnId_ReadyToRelease -> ASP_ConnId_ReadyToRelease: simple;
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ASP_Event -> ASP_Event: simple)" }
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private function f_enc_pfcp_unitdata(in PFCP_Unitdata in_ud, out ASP_SendTo out_ud) {
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out_ud.connId := in_ud.peer.conn_id;
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out_ud.remName := in_ud.peer.remote_name;
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out_ud.remPort := in_ud.peer.remote_port;
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out_ud.proto := { udp := {} };
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out_ud.msg := enc_PDU_PFCP(in_ud.pdu);
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} with { extension "prototype(fast)" };
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private function f_dec_pfcp_unitdata(in ASP_RecvFrom in_ud, out PFCP_Unitdata out_ud) {
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out_ud.peer.conn_id := in_ud.connId;
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out_ud.peer.remote_name := in_ud.remName;
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out_ud.peer.remote_port := in_ud.remPort;
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out_ud.pdu := dec_PDU_PFCP(in_ud.msg);
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} with { extension "prototype(fast)" };
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}
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