summaryrefslogtreecommitdiffstats
path: root/library/SBC_AP_CodecPort.ttcn
diff options
context:
space:
mode:
Diffstat (limited to 'library/SBC_AP_CodecPort.ttcn')
-rw-r--r--library/SBC_AP_CodecPort.ttcn82
1 files changed, 82 insertions, 0 deletions
diff --git a/library/SBC_AP_CodecPort.ttcn b/library/SBC_AP_CodecPort.ttcn
new file mode 100644
index 0000000..96e4e1d
--- /dev/null
+++ b/library/SBC_AP_CodecPort.ttcn
@@ -0,0 +1,82 @@
+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
+ };
+
+ template SBC_AP_RecvFrom t_SBC_AP_RecvFrom(template SBC_AP_PDU msg) := {
+ connId := ?,
+ remName := ?,
+ remPort := ?,
+ locName := ?,
+ locPort := ?,
+ msg := msg
+ }
+
+ type record SBC_AP_Send {
+ ConnectionId connId,
+ SBC_AP_PDU msg
+ }
+
+ template SBC_AP_Send t_SBC_AP_Send(template ConnectionId connId, template SBC_AP_PDU msg) := {
+ connId := connId,
+ 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 := {
+ sinfo_stream := omit,
+ sinfo_ppid := 18,
+ remSocks := omit,
+ assocId := omit
+ }
+ };
+ 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)"
+ }
+}