diff options
Diffstat (limited to 'library/sbcap/SBC_AP_CodecPort.ttcn')
-rw-r--r-- | library/sbcap/SBC_AP_CodecPort.ttcn | 84 |
1 files changed, 84 insertions, 0 deletions
diff --git a/library/sbcap/SBC_AP_CodecPort.ttcn b/library/sbcap/SBC_AP_CodecPort.ttcn new file mode 100644 index 00000000..881e1890 --- /dev/null +++ b/library/sbcap/SBC_AP_CodecPort.ttcn @@ -0,0 +1,84 @@ +module SBC_AP_CodecPort { + +/* Simple SBC AP Codec Port, translating between raw SCTP primitives with + * octetstring payload towards the IPL4asp provider, and SBC-AP primitives + * which carry the decoded SBC-AP 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 SBC_AP_PDU_Descriptions all; + import from SBC_AP_Types all; + + type record SBC_AP_RecvFrom { + ConnectionId connId, + HostName remName, + PortNumber remPort, + HostName locName, + PortNumber locPort, + SBC_AP_PDU msg + }; + + type record SBC_AP_Send { + ConnectionId connId, + SBC_AP_PDU msg + }; + + const SctpTuple c_SBC_AP_SctpTuple := { + sinfo_stream := omit, + sinfo_ppid := c_SBC_AP_PPID, + remSocks := omit, + assocId := omit + }; + + template (value) SBC_AP_Send ts_SBC_AP_Send(ConnectionId connId, template (value) SBC_AP_PDU msg) := { + connId := connId, + msg := msg + } + + template (present) SBC_AP_RecvFrom tr_SBC_AP_Recv(template ConnectionId connId, template SBC_AP_PDU msg) := { + connId := connId, + remName := ?, + remPort := ?, + locName := ?, + locPort := ?, + msg := msg + } + + private function IPL4_to_SBC_AP_RecvFrom(in ASP_RecvFrom pin, out SBC_AP_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_SBC_AP_PDU(pin.msg); + } with { extension "prototype(fast)" }; + + private function SBC_AP_to_IPL4_Send(in SBC_AP_Send pin, out ASP_Send pout) { + pout.connId := pin.connId; + pout.proto := { + sctp := c_SBC_AP_SctpTuple + }; + pout.msg := enc_SBC_AP_PDU(pin.msg); + } with { extension "prototype(fast)" }; + + type port SBC_AP_CODEC_PT message { + out SBC_AP_Send; + in SBC_AP_RecvFrom, + ASP_ConnId_ReadyToRelease, + ASP_Event; + } with { extension "user IPL4asp_PT + out(SBC_AP_Send -> ASP_Send:function(SBC_AP_to_IPL4_Send)) + in(ASP_RecvFrom -> SBC_AP_RecvFrom: function(IPL4_to_SBC_AP_RecvFrom); + ASP_ConnId_ReadyToRelease -> ASP_ConnId_ReadyToRelease: simple; + ASP_Event -> ASP_Event: simple)" + } +} |