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module SBC_AP_Adapter {
/* SBC_AP Adapter layer, sitting on top of SBC_AP_CodecPort.
* test suites can 'inherit' in order to have a SBC_AP connection to the IUT which they're testing
*
* (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.
*/
import from Osmocom_Types all;
import from General_Types all;
import from SBC_AP_Types all;
import from SBC_AP_PDU_Descriptions all;
import from SBC_AP_Templates all;
import from SBC_AP_CodecPort all;
import from SBC_AP_CodecPort_CtrlFunct all;
import from IPL4asp_Types all;
import from IPL4asp_PortType all;
import from Socket_API_Definitions all;
import from Misc_Helpers all;
const integer SBC_AP_HDR_LEN := 3;
const integer NUM_SBC_AP := 3;
type component SBC_AP_Adapter_CT {
/* down-facing port to SBC_AP Codec port */
port SBC_AP_CODEC_PT SBC_AP[NUM_SBC_AP];
var IPL4asp_Types.ConnectionId g_SBC_AP_conn_id[NUM_SBC_AP] := { -1, -1, -1 };
}
private template Socket_API_Definitions.PortEvent tr_SctpAssocChange_COMM_UP(IPL4asp_Types.ConnectionId id) := {
sctpEvent := {
sctpAssocChange := {
clientId := id,
proto := {
sctp := ?
},
sac_state := SCTP_COMM_UP
}
}
}
function f_connect(charstring remote_host, IPL4asp_Types.PortNumber remote_port,
charstring local_host, IPL4asp_Types.PortNumber local_port, integer idx := 0)
runs on SBC_AP_Adapter_CT {
var IPL4asp_Types.Result res;
map(self:SBC_AP[idx], system:SBC_AP);
res := SBC_AP_CodecPort_CtrlFunct.f_IPL4_connect(SBC_AP[idx], remote_host, remote_port,
local_host, local_port, 0, { sctp := valueof(ts_SBC_AP_SctpTuple) });
if (not ispresent(res.connId)) {
setverdict(fail, "Could not connect to SBC_AP port, check your configuration");
mtc.stop;
}
g_SBC_AP_conn_id[idx] := res.connId;
timer Tcommup := 10.0;
Tcommup.start;
alt {
[] SBC_AP[idx].receive(tr_SctpAssocChange_COMM_UP(g_SBC_AP_conn_id[idx])) {}
[] Tcommup.timeout {
Misc_Helpers.f_shutdown(__BFILE__, __LINE__, fail, "Timeout waiting SCTP_COMM_UP");
}
}
}
/* Function to use to bind to a local port as IPA server, accepting remote clients */
function f_bind(charstring local_host, IPL4asp_Types.PortNumber local_port, integer idx := 0)
runs on SBC_AP_Adapter_CT {
var IPL4asp_Types.Result res;
map(self:SBC_AP[idx], system:SBC_AP);
res := SBC_AP_CodecPort_CtrlFunct.f_IPL4_listen(SBC_AP[idx], local_host, local_port, { sctp := valueof(ts_SBC_AP_SctpTuple) });
g_SBC_AP_conn_id[idx] := res.connId;
}
function f_wait_client_connect(integer idx := 0) runs on SBC_AP_Adapter_CT {
var IPL4asp_Types.PortEvent rx_event;
SBC_AP[idx].receive(IPL4asp_Types.PortEvent:{connOpened:=?}) -> value rx_event {
log("Connection from ", rx_event.connOpened.remName, ":", rx_event.connOpened.remPort);
/* we want to store the client's connId, not the 'bind socket' one */
g_SBC_AP_conn_id[idx] := rx_event.connOpened.connId;
}
timer Tcommup := 10.0;
Tcommup.start;
alt {
[] SBC_AP[idx].receive(tr_SctpAssocChange_COMM_UP(g_SBC_AP_conn_id[idx])) {}
[] Tcommup.timeout {
Misc_Helpers.f_shutdown(__BFILE__, __LINE__, fail, "Timeout waiting SCTP_COMM_UP");
}
}
}
function f_SBC_AP_send(template (value) SBC_AP_PDU pdu, integer idx := 0) runs on SBC_AP_Adapter_CT {
SBC_AP[idx].send(ts_SBC_AP_Send(g_SBC_AP_conn_id[idx], pdu));
}
function f_SBC_AP_exp(template SBC_AP_PDU exp, integer idx := 0) runs on SBC_AP_Adapter_CT return SBC_AP_PDU {
var SBC_AP_RecvFrom rf;
SBC_AP[idx].receive(tr_SBC_AP_Recv(g_SBC_AP_conn_id[idx], exp)) -> value rf;
return rf.msg;
}
}
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