| module IPA_CodecPort { |
| |
| /* Simple IPA Codec Port, translating between raw TCP octetstring payload |
| * towards the IPL4asp port provider, and IPA primitives |
| * which carry the decoded IPA data types as payload. |
| * |
| * (C) 2017-2018 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 IPA_Types all; |
| |
| type record IPA_RecvFrom { |
| ConnectionId connId, |
| IpaStreamId streamId, |
| IpaExtStreamId streamIdExt optional, |
| octetstring msg |
| } |
| |
| type record IPA_Send { |
| ConnectionId connId, |
| IpaStreamId streamId, |
| IpaExtStreamId streamIdExt optional, |
| octetstring msg |
| } |
| |
| template IPA_Send t_IPA_Send(ConnectionId conn_id, IpaStreamId stream_id, |
| octetstring msg, template IpaExtStreamId stream_id_ext := omit) := { |
| connId := conn_id, |
| streamId := stream_id, |
| streamIdExt := stream_id_ext, |
| msg := msg |
| } |
| |
| private function IPL4_to_IPA_RecvFrom(in ASP_RecvFrom pin, out IPA_RecvFrom pout) { |
| var PDU_IPA ipa := dec_PDU_IPA(pin.msg); |
| pout.connId := pin.connId; |
| pout.streamId := ipa.streamId |
| pout.streamIdExt := ipa.streamIdExt |
| pout.msg := ipa.payloadData; |
| } with { extension "prototype(fast)" } |
| |
| private function IPA_to_IPL4_Send(in IPA_Send pin, out ASP_Send pout) { |
| var PDU_IPA ipa := { 0, pin.streamId, pin.streamIdExt, pin.msg }; |
| pout.connId := pin.connId; |
| pout.proto := { tcp := {} }; |
| pout.msg := enc_PDU_IPA(ipa); |
| } with { extension "prototype(fast)" } |
| |
| type port IPA_CODEC_PT message { |
| out IPA_Send; |
| in IPA_RecvFrom, |
| ASP_ConnId_ReadyToRelease, |
| ASP_Event; |
| } with { extension "user IPL4asp_PT |
| out(IPA_Send -> ASP_Send:function(IPA_to_IPL4_Send)) |
| in(ASP_RecvFrom -> IPA_RecvFrom: function(IPL4_to_IPA_RecvFrom); |
| ASP_ConnId_ReadyToRelease -> ASP_ConnId_ReadyToRelease: simple; |
| ASP_Event -> ASP_Event: simple)" |
| } |
| } |