92 lines
3.2 KiB
Plaintext
92 lines
3.2 KiB
Plaintext
module CBSP_Adapter {
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/* CBSP Adapter layer, sitting on top of CBSP_CodecPort.
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* test suites can 'inherit' in order to have a CBSP connection to the IUT which they're testing
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*
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* (C) 2018-2019 by Harald Welte <laforge@gnumonks.org>
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* All rights reserved.
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*
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* Released under the terms of GNU General Public License, Version 2 or
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* (at your option) any later version.
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*/
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import from Osmocom_Types all;
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import from General_Types all;
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import from CBSP_Types all;
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import from CBSP_Templates all;
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import from CBSP_CodecPort all;
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import from CBSP_CodecPort_CtrlFunct all;
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import from IPL4asp_Types all;
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import from IPL4asp_PortType all;
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import from Socket_API_Definitions all;
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const integer NUM_CBSP := 3;
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type component CBSP_Adapter_CT {
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/* down-facing port to CBSP Codec port */
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port CBSP_CODEC_PT CBSP[NUM_CBSP];
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var IPL4asp_Types.ConnectionId g_cbsp_conn_id[NUM_CBSP] := { -1, -1, -1 };
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}
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private function f_set_tcp_segmentation(integer idx) runs on CBSP_Adapter_CT {
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/* Set function for dissecting the binary stream into packets */
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var f_IPL4_getMsgLen vl_f := refers(f_IPL4_fixedMsgLen);
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/* Offset: 1, size of length: 3, delta: 4, multiplier: 1, big-endian */
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CBSP_CodecPort_CtrlFunct.f_IPL4_setGetMsgLen(CBSP[idx], g_cbsp_conn_id[idx], vl_f, {1, 3, 4, 1, 0});
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}
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function f_connect(charstring remote_host, IPL4asp_Types.PortNumber remote_port,
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charstring local_host, IPL4asp_Types.PortNumber local_port, integer idx := 0)
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runs on CBSP_Adapter_CT {
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var IPL4asp_Types.Result res;
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map(self:CBSP[idx], system:CBSP);
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if (g_cbsp_conn_id[idx] != -1) {
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CBSP_CodecPort_CtrlFunct.f_IPL4_close(CBSP[idx], g_cbsp_conn_id[idx], {tcp := {}});
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g_cbsp_conn_id[idx] := -1;
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}
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res := CBSP_CodecPort_CtrlFunct.f_IPL4_connect(CBSP[idx], remote_host, remote_port,
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local_host, local_port, 0, { tcp :={} });
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if (not ispresent(res.connId)) {
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setverdict(fail, "Could not connect to CBSP port, check your configuration ",
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"{remote ", remote_host, ":", remote_port, " local ", local_host, ":", local_port, "}");
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mtc.stop;
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}
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g_cbsp_conn_id[idx] := res.connId;
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f_set_tcp_segmentation(idx);
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}
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/* Function to use to bind to a local port as IPA server, accepting remote clients */
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function f_bind(charstring local_host, IPL4asp_Types.PortNumber local_port, integer idx := 0)
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runs on CBSP_Adapter_CT {
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var IPL4asp_Types.Result res;
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map(self:CBSP[idx], system:CBSP);
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if (g_cbsp_conn_id[idx] != -1) {
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CBSP_CodecPort_CtrlFunct.f_IPL4_close(CBSP[idx], g_cbsp_conn_id[idx], {tcp := {}});
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g_cbsp_conn_id[idx] := -1;
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}
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res := CBSP_CodecPort_CtrlFunct.f_IPL4_listen(CBSP[idx], local_host, local_port, { tcp:={} });
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if (not ispresent(res.connId)) {
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setverdict(fail, "Could not bind to CBSP port, check your configuration ",
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"{local ", local_host, ":", local_port, "}");
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mtc.stop;
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}
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g_cbsp_conn_id[idx] := res.connId;
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f_set_tcp_segmentation(idx);
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}
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function f_cbsp_send(template (value) CBSP_PDU pdu, integer idx := 0) runs on CBSP_Adapter_CT {
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CBSP[idx].send(ts_CBSP_Send(g_cbsp_conn_id[idx], pdu));
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}
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function f_cbsp_exp(template CBSP_PDU exp, integer idx := 0) runs on CBSP_Adapter_CT return CBSP_PDU {
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var CBSP_RecvFrom rf;
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CBSP[idx].receive(tr_CBSP_Recv(g_cbsp_conn_id[idx], exp)) -> value rf;
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return rf.msg;
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}
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}
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