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osmo-ttcn3-hacks
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RTP_Emulation: allow expecting connection refused 

Prepare for upcoming connection timeout test, where we want to run into
connection refused.

Change-Id: Id6365bc59e19368a87b951367742a0b7cc5e9574
This commit is contained in:
Oliver Smith 2019-06-26 12:21:38 +02:00
parent 350eb681e2
commit 216019fdd0
1 changed files with 43 additions and 2 deletions
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45
library/RTP_Emulation.ttcn
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@ -105,6 +105,9 @@ type component RTP_Emulation_CT {
var uint32_t g_rx_last_ts;
var IuUP_Entity g_iuup_ent; // := valueof(t_IuUP_Entity(1));
var boolean g_conn_refuse_expect := false;
var boolean g_conn_refuse_received := false;
}
type enumerated RtpemMode {
@ -175,9 +178,12 @@ signature RTPEM_connect(in HostName remote_host, in PortNumber remote_port);
signature RTPEM_mode(in RtpemMode mode);
signature RTPEM_configure(in RtpemConfig cfg);
signature RTPEM_stats_get(out RtpemStats stats, in boolean rtcp);
signature RTPEM_conn_refuse_expect(in boolean expect);
signature RTPEM_conn_refuse_received(out boolean received);
type port RTPEM_CTRL_PT procedure {
inout RTPEM_bind, RTPEM_connect, RTPEM_mode, RTPEM_configure, RTPEM_stats_get;
inout RTPEM_bind, RTPEM_connect, RTPEM_mode, RTPEM_configure, RTPEM_stats_get, RTPEM_conn_refuse_expect,
RTPEM_conn_refuse_received;
} with { extension "internal" };
function f_rtpem_bind(RTPEM_CTRL_PT pt, in HostName local_host, inout PortNumber local_port) {
@ -299,6 +305,21 @@ function f_rtpem_stats_err_check(RtpemStats s) {
}
}
function f_rtpem_conn_refuse_expect(RTPEM_CTRL_PT pt) {
pt.call(RTPEM_conn_refuse_expect:{true}) {
[] pt.getreply(RTPEM_conn_refuse_expect:{true}) {};
}
}
function f_rtpem_conn_refuse_verify(RTPEM_CTRL_PT pt) {
pt.call(RTPEM_conn_refuse_received:{?}) {
[] pt.getreply(RTPEM_conn_refuse_received:{true}) {};
[] pt.getreply(RTPEM_conn_refuse_received:{false}) {
setverdict(fail, "Expected to receive connection refused");
};
}
}
template PDU_RTP ts_RTP(BIT32_BO_LAST ssrc, INT7b pt, LIN2_BO_LAST seq, uint32_t ts,
octetstring payload, BIT1 marker := '0'B) := {
version := 2,
@ -348,6 +369,11 @@ function f_main() runs on RTP_Emulation_CT
tr_rtp.msg := { rtp := ? };
tr_rtcp.msg := { rtcp := ? };
var template ASP_Event tr_conn_refuse := {result := { errorCode := ERROR_SOCKET,
connId := ?,
os_error_code := 111,
os_error_text := ? /* "Connection refused" */}};
g_iuup_ent := valueof(t_IuUP_Entity(g_cfg.iuup_tx_init));
while (true) {
@ -448,7 +474,12 @@ function f_main() runs on RTP_Emulation_CT
CTRL.reply(RTPEM_stats_get:{g_stats_rtp, is_rtcp});
}
}
[] CTRL.getcall(RTPEM_conn_refuse_expect:{?}) -> param(g_conn_refuse_expect) {
CTRL.reply(RTPEM_conn_refuse_expect:{g_conn_refuse_expect});
}
[] CTRL.getcall(RTPEM_conn_refuse_received:{?}) {
CTRL.reply(RTPEM_conn_refuse_received:{g_conn_refuse_received});
}
/* simply ignore any RTTP/RTP if receiver not enabled */
@ -491,6 +522,16 @@ function f_main() runs on RTP_Emulation_CT
lengthof(g_cfg.tx_fixed_payload);
}
/* connection refused */
[g_conn_refuse_expect] RTP.receive(tr_conn_refuse) {
log("Connection refused (expected)");
g_conn_refuse_received := true;
}
[not g_conn_refuse_expect] RTP.receive(tr_conn_refuse) {
setverdict(fail, "Connection refused (unexpected)");
mtc.stop;
}
/* fail on any unexpected messages */
[] RTP.receive {
setverdict(fail, "Received unexpected type from RTP");