| module S1AP_CodecPort { |
| |
| /* Simple S1AP Codec Port, translating between raw SCTP primitives with |
| * octetstring payload towards the IPL4asp provider, and S1AP primitives |
| * which carry the decoded S1AP data types as payload. |
| * |
| * (C) 2019 by Harald Welte <laforge@gnumonks.org> |
| * All rights reserved. |
| * |
| * Released under the terms of GNU General Public License, Version 2 or |
| * (at your option) any later version. |
| * |
| * SPDX-License-Identifier: GPL-2.0-or-later |
| */ |
| |
| import from IPL4asp_PortType all; |
| import from IPL4asp_Types all; |
| import from S1AP_PDU_Descriptions all; |
| import from S1AP_Types all; |
| |
| type record S1AP_RecvFrom { |
| ConnectionId connId, |
| HostName remName, |
| PortNumber remPort, |
| HostName locName, |
| PortNumber locPort, |
| S1AP_PDU msg |
| }; |
| |
| template S1AP_RecvFrom t_S1AP_RecvFrom(template S1AP_PDU msg) := { |
| connId := ?, |
| remName := ?, |
| remPort := ?, |
| locName := ?, |
| locPort := ?, |
| msg := msg |
| } |
| |
| type record S1AP_Send { |
| ConnectionId connId, |
| S1AP_PDU msg |
| } |
| |
| template S1AP_Send t_S1AP_Send(template ConnectionId connId, template S1AP_PDU msg) := { |
| connId := connId, |
| msg := msg |
| } |
| |
| private function IPL4_to_S1AP_RecvFrom(in ASP_RecvFrom pin, out S1AP_RecvFrom pout) { |
| pout.connId := pin.connId; |
| pout.remName := pin.remName; |
| pout.remPort := pin.remPort; |
| pout.locName := pin.locName; |
| pout.locPort := pin.locPort; |
| pout.msg := dec_S1AP_PDU(pin.msg); |
| } with { extension "prototype(fast)" }; |
| |
| private function S1AP_to_IPL4_Send(in S1AP_Send pin, out ASP_Send pout) { |
| pout.connId := pin.connId; |
| pout.proto := { |
| sctp := { |
| sinfo_stream := omit, |
| sinfo_ppid := 18, |
| remSocks := omit, |
| assocId := omit |
| } |
| }; |
| pout.msg := enc_S1AP_PDU(pin.msg); |
| } with { extension "prototype(fast)" }; |
| |
| type port S1AP_CODEC_PT message { |
| out S1AP_Send; |
| in S1AP_RecvFrom, |
| ASP_ConnId_ReadyToRelease, |
| ASP_Event; |
| } with { extension "user IPL4asp_PT |
| out(S1AP_Send -> ASP_Send:function(S1AP_to_IPL4_Send)) |
| in(ASP_RecvFrom -> S1AP_RecvFrom: function(IPL4_to_S1AP_RecvFrom); |
| ASP_ConnId_ReadyToRelease -> ASP_ConnId_ReadyToRelease: simple; |
| ASP_Event -> ASP_Event: simple)" |
| } |
| } |