68 lines
1.9 KiB
Plaintext
68 lines
1.9 KiB
Plaintext
module IPA_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 IPA_Types all;
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type record IPA_RecvFrom {
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ConnectionId connId,
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IpaStreamId streamId,
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IpaExtStreamId streamIdExt optional,
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octetstring msg
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}
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type record IPA_Send {
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ConnectionId connId,
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IpaStreamId streamId,
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IpaExtStreamId streamIdExt optional,
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octetstring msg
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}
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template IPA_Send t_IPA_Send(ConnectionId conn_id, IpaStreamId stream_id,
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octetstring msg, template IpaExtStreamId stream_id_ext := omit) := {
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connId := conn_id,
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streamId := stream_id,
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streamIdExt := stream_id_ext,
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msg := msg
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}
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/* 'stream' contains the octets received so far, we must return the total length */
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function f_IPA_getMsgLen(in octetstring stream, inout ro_integer args) return integer {
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var integer stream_len := lengthof(stream);
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var integer len;
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if (stream_len < 2) {
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/* insufficient length to determine the length */
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return -1;
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}
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len := 3 + oct2int(substr(stream, 0, 2));
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return len;
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}
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private function IPL4_to_IPA_RecvFrom(in ASP_RecvFrom pin, out IPA_RecvFrom pout) {
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var PDU_IPA ipa := dec_PDU_IPA(pin.msg);
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pout.connId := pin.connId;
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pout.streamId := ipa.streamId
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pout.streamIdExt := ipa.streamIdExt
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pout.msg := ipa.payloadData;
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} with { extension "prototype(fast)" }
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private function IPA_to_IPL4_Send(in IPA_Send pin, out ASP_Send pout) {
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var PDU_IPA ipa := { 0, pin.streamId, pin.streamIdExt, pin.msg };
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pout.connId := pin.connId;
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pout.proto := { tcp := {} };
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pout.msg := enc_PDU_IPA(ipa);
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} with { extension "prototype(fast)" }
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type port IPA_CODEC_PT message {
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out IPA_Send;
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in IPA_RecvFrom,
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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(IPA_Send -> ASP_Send:function(IPA_to_IPL4_Send))
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in(ASP_RecvFrom -> IPA_RecvFrom: function(IPL4_to_IPA_RecvFrom);
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ASP_ConnId_ReadyToRelease -> ASP_ConnId_ReadyToRelease: simple;
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ASP_Event -> ASP_Event: simple)"
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}
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}
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