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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 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.
*/
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)"
}
}
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