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module VPCD_Adapter {
/* VPCD Adapter layer, sitting on top of VPCD_CodecPort.
* test suites can 'inherit' in order to have a VPCD connection to the IUT which they're testing
*
* (C) 2018-2019 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.
*/
import from VPCD_Types all;
import from VPCD_CodecPort all;
import from VPCD_CodecPort_CtrlFunct all;
import from IPL4asp_Types all;
import from IPL4asp_PortType all;
import from Socket_API_Definitions all;
modulepar {
integer mp_vpcd_port := 35963;
charstring mp_vpcd_host := "127.0.0.1";
}
type component VPCD_Adapter_CT {
port VPCD_CODEC_PT VPCD;
var integer g_vpcd_conn_id;
};
private function f_set_tcp_segmentation() runs on VPCD_Adapter_CT {
/* Set function for dissecting the binary stream into packets */
var f_IPL4_getMsgLen vl_f := refers(f_IPL4_fixedMsgLen);
/* Offset: 0, size of length: 2, delta: 0, multiplier: 1, big-endian: 0 */
VPCD_CodecPort_CtrlFunct.f_IPL4_setGetMsgLen(VPCD, g_vpcd_conn_id, vl_f, {0, 2, 2, 1, 0});
}
function f_connect(charstring remote_host := mp_vpcd_host, integer remote_port := mp_vpcd_port)
runs on VPCD_Adapter_CT {
var IPL4asp_Types.Result res;
map(self:VPCD, system:VPCD);
res := VPCD_CodecPort_CtrlFunct.f_IPL4_connect(VPCD, remote_host, remote_port, "", 0, 0,
{ tcp := {} });
if (not ispresent(res.connId)) {
setverdict(fail, "Could not connect to VPCD at ", remote_host, ":", remote_port,
", check your configuration");
mtc.stop;
}
g_vpcd_conn_id := res.connId;
f_set_tcp_segmentation();
}
function f_bind(charstring local_host, IPL4asp_Types.PortNumber local_port)
runs on VPCD_Adapter_CT {
var IPL4asp_Types.Result res;
map(self:VPCD, system:VPCD);
res := VPCD_CodecPort_CtrlFunct.f_IPL4_listen(VPCD, local_host, local_port, { tcp:={} });
g_vpcd_conn_id := res.connId;
f_set_tcp_segmentation();
}
function f_vpcd_send(template (value) VPCD_PDU pdu) runs on VPCD_Adapter_CT {
VPCD.send(ts_VPCD_Send(g_vpcd_conn_id, pdu));
}
function f_vpcd_exp(template VPCD_PDU exp) runs on VPCD_Adapter_CT return VPCD_PDU {
var VPCD_RecvFrom rf;
VPCD.receive(tr_VPCD_Recv(g_vpcd_conn_id, exp)) -> value rf;
return rf.msg;
}
}
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