| /* MGW (Media Gateway) test suite in TTCN-3 |
| * (C) 2017-2018 Harald Welte <laforge@gnumonks.org> |
| * (C) 2018-2019 sysmocom - s.f.m.c. GmbH |
| * 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 |
| */ |
| |
| module MGCP_Test { |
| import from Osmocom_Types all; |
| import from MGCP_Types all; |
| import from MGCP_Templates all; |
| import from SDP_Types all; |
| import from MGCP_CodecPort all; |
| import from MGCP_CodecPort_CtrlFunct all; |
| import from RTP_CodecPort all; |
| import from RTP_CodecPort_CtrlFunct all; |
| import from RTP_Emulation all; |
| import from OSMUX_Types all; |
| import from OSMUX_CodecPort all; |
| import from OSMUX_CodecPort_CtrlFunct all; |
| import from OSMUX_Emulation all; |
| import from IPL4asp_Types all; |
| import from General_Types all; |
| import from Native_Functions all; |
| import from IPCP_Types all; |
| import from IP_Types all; |
| import from Osmocom_VTY_Functions all; |
| import from TELNETasp_PortType all; |
| |
| const charstring c_mgw_domain := "mgw"; |
| const charstring c_mgw_ep_rtpbridge := "rtpbridge/"; |
| |
| /* any variables declared in the component will be available to |
| * all functions that 'run on' the named component, similar to |
| * class members in C++ */ |
| type component dummy_CT { |
| port MGCP_CODEC_PT MGCP; |
| var boolean initialized := false; |
| var ConnectionId g_mgcp_conn_id := -1; |
| var integer g_trans_id; |
| |
| var RTP_Emulation_CT vc_RTPEM[3]; |
| port RTPEM_CTRL_PT RTPEM[3]; |
| |
| var OSMUX_Emulation_CT vc_OsmuxEM; |
| port OsmuxEM_CTRL_PT OsmuxEM; |
| |
| port TELNETasp_PT MGWVTY; |
| }; |
| |
| function get_next_trans_id() runs on dummy_CT return MgcpTransId { |
| var MgcpTransId tid := int2str(g_trans_id); |
| g_trans_id := g_trans_id + 1; |
| return tid; |
| } |
| |
| /* all parameters declared here can be modified / overridden by |
| * the config file in the [MODULE_PARAMETERS] section. If no |
| * config file is used or the file doesn't specify them, the |
| * default values assigned below are used */ |
| modulepar { |
| PortNumber mp_local_udp_port := 2727; |
| charstring mp_local_ipv4 := "127.0.0.1"; |
| charstring mp_local_ipv6 := "::1"; |
| PortNumber mp_remote_udp_port := 2427; |
| charstring mp_remote_ipv4 := "127.0.0.1"; |
| charstring mp_remote_ipv6 := "::1"; |
| PortNumber mp_local_rtp_port_base := 10000; |
| PortNumber mp_local_osmux_port := 1985; |
| } |
| |
| private function f_vty_enable_osmux(boolean osmux_on) runs on dummy_CT { |
| /* Turn on conversion mode */ |
| f_vty_enter_config(MGWVTY); |
| f_vty_transceive(MGWVTY, "mgcp"); |
| if (osmux_on) { |
| f_vty_transceive(MGWVTY, "osmux on"); |
| } else { |
| f_vty_transceive(MGWVTY, "osmux off"); |
| } |
| f_vty_transceive(MGWVTY, "exit"); |
| f_vty_transceive(MGWVTY, "exit"); |
| |
| } |
| |
| private function f_init_vty(boolean osmux_on) runs on dummy_CT { |
| map(self:MGWVTY, system:MGWVTY); |
| f_vty_set_prompts(MGWVTY); |
| f_vty_transceive(MGWVTY, "enable"); |
| |
| f_vty_enable_osmux(osmux_on); |
| } |
| |
| private function f_rtpem_init(inout RTP_Emulation_CT comp_ref, integer i) |
| runs on dummy_CT { |
| comp_ref := RTP_Emulation_CT.create("RTPEM" & int2str(i)); |
| map(comp_ref:RTP, system:RTP); |
| map(comp_ref:RTCP, system:RTCP); |
| comp_ref.start(RTP_Emulation.f_main()); |
| } |
| |
| private function f_osmuxem_init(inout OSMUX_Emulation_CT comp_ref) |
| runs on dummy_CT { |
| comp_ref := OSMUX_Emulation_CT.create("OsmuxEM"); |
| map(comp_ref:OSMUX, system:OSMUX); |
| comp_ref.start(OSMUX_Emulation.f_main()); |
| } |
| |
| /* initialization function, called by each test case at the |
| * beginning, but 'initialized' variable ensures its body is |
| * only executed once */ |
| private function f_init(template MgcpEndpoint ep := omit, boolean osmux_on := false) runs on dummy_CT { |
| var Result res; |
| var uint32_t ssrc; |
| |
| if (initialized == false) { |
| initialized := true; |
| |
| /* some random number for the initial transaction id */ |
| g_trans_id := float2int(rnd()*65535.0); |
| map(self:MGCP, system:MGCP_CODEC_PT); |
| /* connect the MGCP test port using the given |
| * source/destionation ip/port and store the connection id in g_mgcp_conn_id |
| * */ |
| res := MGCP_CodecPort_CtrlFunct.f_IPL4_connect(MGCP, mp_remote_ipv4, mp_remote_udp_port, mp_local_ipv4, mp_local_udp_port, 0, { udp := {} }); |
| if (not ispresent(res.connId)) { |
| setverdict(fail, "Could not connect MGCP, check your configuration"); |
| mtc.stop; |
| } |
| g_mgcp_conn_id := res.connId; |
| |
| for (var integer i := 0; i < sizeof(vc_RTPEM); i := i+1) { |
| f_rtpem_init(vc_RTPEM[i], i); |
| connect(vc_RTPEM[i]:CTRL, self:RTPEM[i]); |
| } |
| if (osmux_on) { |
| f_osmuxem_init(vc_OsmuxEM); |
| connect(vc_OsmuxEM:CTRL, self:OsmuxEM); |
| } |
| } |
| |
| if (isvalue(ep)) { |
| /* do a DLCX on all connections of the EP */ |
| f_dlcx_ignore(valueof(ep)); |
| } |
| |
| f_init_vty(osmux_on); |
| } |
| |
| testcase TC_selftest() runs on dummy_CT { |
| const charstring c_auep := "AUEP 158663169 ds/e1-1/2@172.16.6.66 MGCP 1.0\r\n"; |
| const charstring c_mdcx3 := "MDCX 18983215 " & c_mgw_ep_rtpbridge & "1@" & c_mgw_domain & " MGCP 1.0\r\n"; |
| const charstring c_mdcx3_ret := "200 18983215 OK\r\n" & |
| "I: 1\n" & |
| "\n" & |
| "v=0\r\n" & |
| "o=- 1 23 IN IP4 0.0.0.0\r\n" & |
| "s=-\r\n" & |
| "c=IN IP4 0.0.0.0\r\n" & |
| "t=0 0\r\n" & |
| "m=audio 0 RTP/AVP 126\r\n" & |
| "a=rtpmap:126 AMR/8000\r\n" & |
| "a=ptime:20\r\n"; |
| const charstring c_mdcx4 := "MDCX 18983216 " & c_mgw_ep_rtpbridge & "1@" & c_mgw_domain & " MGCP 1.0\r\n" & |
| "M: sendrecv\r" & |
| "C: 2\r\n" & |
| "I: 1\r\n" & |
| "L: p:20, a:AMR, nt:IN\r\n" & |
| "\n" & |
| "v=0\r\n" & |
| "o=- 1 23 IN IP4 0.0.0.0\r\n" & |
| "s=-\r\n" & |
| "c=IN IP4 0.0.0.0\r\n" & |
| "t=0 0\r\n" & |
| "m=audio 4441 RTP/AVP 99\r\n" & |
| "a=rtpmap:99 AMR/8000\r\n" & |
| "a=ptime:40\r\n"; |
| const charstring c_crcx510_ret := "510 23 FAIL\r\n" |
| |
| log(c_auep); |
| log(dec_MgcpCommand(c_auep)); |
| |
| log(c_mdcx3); |
| log(dec_MgcpCommand(c_mdcx3)); |
| |
| log(c_mdcx3_ret); |
| log(dec_MgcpResponse(c_mdcx3_ret)); |
| |
| log(c_mdcx4); |
| log(dec_MgcpCommand(c_mdcx4)); |
| |
| log(ts_CRCX("23", c_mgw_ep_rtpbridge & "42@" & c_mgw_domain, "sendrecv", '1234'H)); |
| log(enc_MgcpCommand(valueof(ts_CRCX("23", c_mgw_ep_rtpbridge & "42@" & c_mgw_domain, "sendrecv", '1234'H)))); |
| |
| log(c_crcx510_ret); |
| log(dec_MgcpResponse(c_crcx510_ret)); |
| log(dec_MgcpMessage(c_crcx510_ret)); |
| |
| /* We didn't encounter any DTE, so pass the test */ |
| setverdict(pass); |
| } |
| |
| /* CRCX test ideas: |
| * x without mandatory CallId |
| * - with forbidden parameters (e.g. Capabilities, PackageList, ... |
| * - CRCX with remote session description and without |
| * |
| * general ideas: |
| * x packetization != 20ms |
| * x invalid mode |
| * x unsupported mode (517) |
| * x bidirectional mode before RemoteConnDesc: 527 |
| * - invalid codec |
| * x retransmission of same transaction |
| * - unsupported LocalConnectionOptions ("b", "a", "e", "gc", "s", "r", "k", ..) |
| */ |
| |
| /* build a receive template for receiving a MGCP message. You |
| * pass the MGCP response template in, and it will generate an |
| * MGCP_RecvFrom template that can match the primitives arriving on the |
| * MGCP_CodecPort */ |
| function tr_MGCP_RecvFrom_R(template MgcpResponse resp) runs on dummy_CT return template MGCP_RecvFrom { |
| var template MGCP_RecvFrom mrf := { |
| connId := g_mgcp_conn_id, |
| remName := mp_remote_ipv4, |
| remPort := mp_remote_udp_port, |
| locName := mp_local_ipv4, |
| locPort := mp_local_udp_port, |
| msg := { response := resp } |
| } |
| return mrf; |
| } |
| |
| /* Send a MGCP request + receive a (matching!) response */ |
| function mgcp_transceive_mgw(template MgcpCommand cmd, template MgcpResponse resp := ?) runs on dummy_CT return MgcpResponse { |
| var MgcpMessage msg := { command := valueof(cmd) }; |
| resp.line.trans_id := cmd.line.trans_id; |
| var template MGCP_RecvFrom mrt := tr_MGCP_RecvFrom_R(resp); |
| var MGCP_RecvFrom mrf; |
| timer T := 5.0; |
| |
| MGCP.send(t_MGCP_Send(g_mgcp_conn_id, msg)); |
| T.start; |
| alt { |
| [] MGCP.receive(mrt) -> value mrf { } |
| [] MGCP.receive(tr_MGCP_RecvFrom_R(?)) { |
| setverdict(fail, "Response didn't match template"); |
| mtc.stop; |
| } |
| [] MGCP.receive { repeat; } |
| [] T.timeout { |
| setverdict(fail, "Timeout waiting for response to ", cmd); |
| mtc.stop; |
| } |
| } |
| T.stop; |
| |
| if (isbound(mrf) and isbound(mrf.msg) and ischosen(mrf.msg.response)) { |
| return mrf.msg.response; |
| } else { |
| var MgcpResponse r := { line := { code := "999", trans_id := valueof(cmd.line.trans_id) } }; |
| return r; |
| } |
| } |
| |
| function extract_conn_id(MgcpResponse resp) return MgcpConnectionId { |
| var integer i; |
| for (i := 0; i < lengthof(resp.params); i := i + 1) { |
| var MgcpParameter par := resp.params[i]; |
| if (par.code == "I") { |
| return str2hex(par.val); |
| } |
| } |
| setverdict(fail, "Could not find conn id for MgcpReponse"); |
| mtc.stop; |
| return '00000000'H; |
| } |
| |
| function f_dlcx(MgcpEndpoint ep, template MgcpResponseCode ret_code, template charstring ret_val, |
| template MgcpCallId call_id := omit, |
| template MgcpConnectionId conn_id := omit) runs on dummy_CT { |
| var template MgcpCommand cmd; |
| var MgcpResponse resp; |
| var template MgcpResponse rtmpl := { |
| line := { |
| code := ret_code, |
| string := ret_val |
| }, |
| params := *, |
| sdp := * |
| }; |
| cmd := ts_DLCX(get_next_trans_id(), ep, call_id, conn_id); |
| resp := mgcp_transceive_mgw(cmd, rtmpl); |
| } |
| |
| /* Send DLCX and expect OK response */ |
| function f_dlcx_ok(MgcpEndpoint ep, template MgcpCallId call_id := omit, |
| template MgcpConnectionId conn_id := omit) runs on dummy_CT { |
| f_dlcx(ep, ("200","250"), "OK", call_id, conn_id); |
| } |
| |
| /* Send DLCX and accept any response */ |
| function f_dlcx_ignore(MgcpEndpoint ep, template MgcpCallId call_id := omit, |
| template MgcpConnectionId conn_id := omit) runs on dummy_CT { |
| f_dlcx(ep, ?, *, call_id, conn_id); |
| } |
| |
| type record HostPort { |
| charstring hostname, |
| integer portnr optional |
| } |
| type record RtpFlowData { |
| HostPort em, /* emulation side */ |
| HostPort mgw, /* mgw side */ |
| uint7_t pt, |
| charstring codec, |
| MgcpConnectionId mgcp_conn_id optional, |
| RtpemConfig rtp_cfg optional, |
| boolean osmux_cid_sent, /* whther non wildcarded CID was already sent to MGW */ |
| MgcpOsmuxCID osmux_cid optional, |
| MgcpOsmuxCID osmux_cid_response optional, |
| OsmuxemConfig osmux_cfg optional, |
| charstring fmtp optional |
| } |
| |
| /* Create an RTP flow (bidirectional, or receive-only) */ |
| function f_flow_create(RTPEM_CTRL_PT pt, MgcpEndpoint ep, MgcpCallId call_id, charstring mode, inout RtpFlowData flow, |
| boolean one_phase := true) |
| runs on dummy_CT { |
| var template MgcpCommand cmd; |
| var MgcpResponse resp; |
| var SDP_attribute_list attributes; |
| |
| attributes := { valueof(ts_SDP_rtpmap(flow.pt, flow.codec)), valueof(ts_SDP_ptime(20)) }; |
| if (isvalue(flow.fmtp)) { |
| attributes := attributes & { valueof(ts_SDP_fmtp(flow.pt, flow.fmtp)) }; |
| } |
| |
| /* bind local RTP emulation socket */ |
| f_rtpem_bind(pt, flow.em.hostname, flow.em.portnr); |
| |
| /* configure rtp-emulation */ |
| if (ispresent(flow.rtp_cfg)) { |
| f_rtpem_configure(pt, flow.rtp_cfg); |
| } else { |
| var RtpemConfig rtp_cfg := c_RtpemDefaultCfg; |
| rtp_cfg.tx_payload_type := flow.pt |
| f_rtpem_configure(pt, rtp_cfg); |
| } |
| |
| if (one_phase) { |
| /* Connect flow to MGW using a CRCX that also contains an SDP |
| * part that tells the MGW where we are listening for RTP streams |
| * that come from the MGW. We get a fully working connection in |
| * one go. */ |
| |
| cmd := ts_CRCX(get_next_trans_id(), ep, mode, call_id); |
| cmd.sdp := ts_SDP(flow.em.hostname, flow.em.hostname, "23", "42", |
| flow.em.portnr, { int2str(flow.pt) }, attributes); |
| |
| resp := mgcp_transceive_mgw(cmd, tr_CRCX_ACK); |
| flow.mgcp_conn_id := extract_conn_id(resp); |
| /* extract port number from response */ |
| flow.mgw.portnr := |
| resp.sdp.media_list[0].media_field.ports.port_number; |
| } else { |
| /* Create a half-open connection only. We do not tell the MGW |
| * where it can send RTP streams to us. This means this |
| * connection will only be able to receive but can not send |
| * data back to us. In order to turn the connection in a fully |
| * bi-directional one, a separate MDCX is needed. */ |
| |
| cmd := ts_CRCX(get_next_trans_id(), ep, mode, call_id); |
| resp := mgcp_transceive_mgw(cmd, tr_CRCX_ACK); |
| flow.mgcp_conn_id := extract_conn_id(resp); |
| /* extract MGW-side port number from response */ |
| flow.mgw.portnr := |
| resp.sdp.media_list[0].media_field.ports.port_number; |
| } |
| /* finally, connect the emulation-side RTP socket to the MGW */ |
| f_rtpem_connect(pt, flow.mgw.hostname, flow.mgw.portnr); |
| } |
| |
| /* Create an Osmux flow (bidirectional, or receive-only) */ |
| function f_flow_create_osmux(OsmuxEM_CTRL_PT pt, MgcpEndpoint ep, MgcpCallId call_id, charstring mode, inout RtpFlowData flow, |
| boolean one_phase := true) |
| runs on dummy_CT { |
| var template MgcpCommand cmd; |
| var MgcpResponse resp; |
| var SDP_attribute_list attributes; |
| var OsmuxTxHandle tx_hdl; |
| var OsmuxRxHandle rx_hdl; |
| var charstring cid_response; |
| var OsmuxCID cid_resp_parsed |
| |
| attributes := { valueof(ts_SDP_rtpmap(flow.pt, flow.codec)), valueof(ts_SDP_ptime(20)) }; |
| if (isvalue(flow.fmtp)) { |
| attributes := attributes & { valueof(ts_SDP_fmtp(flow.pt, flow.fmtp)) }; |
| } |
| |
| /* bind local Osmux emulation socket */ |
| f_osmuxem_bind(pt, flow.em.hostname, flow.em.portnr); |
| |
| /* configure osmux-emulation */ |
| if (ispresent(flow.osmux_cfg)) { |
| f_osmuxem_configure(pt, flow.osmux_cfg); |
| } else { |
| var OsmuxemConfig osmux_cfg := c_OsmuxemDefaultCfg; |
| f_osmuxem_configure(pt, osmux_cfg); |
| flow.osmux_cfg := osmux_cfg |
| } |
| |
| if (one_phase) { |
| /* Connect flow to MGW using a CRCX that also contains an SDP |
| * part that tells the MGW where we are listening for Osmux streams |
| * that come from the MGW. We get a fully working connection in |
| * one go. */ |
| if (flow.osmux_cid != -1) { |
| /* We may still want to negotiate osmux CID later at MDCX */ |
| rx_hdl := c_OsmuxemDefaultRxHandle; |
| rx_hdl.cid := flow.osmux_cid; |
| f_osmuxem_register_rxhandle(pt, rx_hdl); |
| flow.osmux_cid_sent := true; |
| } |
| cmd := ts_CRCX_osmux(get_next_trans_id(), ep, mode, call_id, flow.osmux_cid); |
| cmd.sdp := ts_SDP(flow.em.hostname, flow.em.hostname, "23", "42", |
| flow.em.portnr, { int2str(flow.pt) }, attributes); |
| resp := mgcp_transceive_mgw(cmd, tr_CRCX_ACK_osmux); |
| flow.mgcp_conn_id := extract_conn_id(resp); |
| /* extract port number from response */ |
| flow.mgw.portnr := |
| resp.sdp.media_list[0].media_field.ports.port_number; |
| } else { |
| /* Create a half-open connection only. We do not tell the MGW |
| * where it can send Osmux streams to us. This means this |
| * connection will only be able to receive but can not send |
| * data back to us. In order to turn the connection in a fully |
| * bi-directional one, a separate MDCX is needed. */ |
| |
| cmd := ts_CRCX_osmux(get_next_trans_id(), ep, mode, call_id, flow.osmux_cid); |
| resp := mgcp_transceive_mgw(cmd, tr_CRCX_ACK_osmux); |
| |
| flow.mgcp_conn_id := extract_conn_id(resp); |
| /* extract MGW-side port number from response */ |
| flow.mgw.portnr := |
| resp.sdp.media_list[0].media_field.ports.port_number; |
| } |
| |
| /* extract Osmux CID we got assigned by the MGW */ |
| var MgcpMessage resp_msg := { |
| response := resp |
| } |
| |
| if (f_mgcp_find_param(resp_msg, "X-OSMUX", cid_response) == false) { |
| setverdict(fail, "No Osmux CID in MGCP response", resp); |
| mtc.stop; |
| } |
| |
| /* Make sure response is no wildcard */ |
| flow.osmux_cid_response := f_mgcp_osmux_cid_decode(cid_response); |
| if (flow.osmux_cid_response == -1) { |
| setverdict(fail, "Osmux CID in MGCP response contains unexpected wildcard"); |
| mtc.stop; |
| } |
| tx_hdl := valueof(t_TxHandleAMR590(flow.osmux_cid_response)); |
| f_osmuxem_register_txhandle(pt, tx_hdl); |
| |
| /* finally, connect the emulation-side RTP socket to the MGW */ |
| f_osmuxem_connect(pt, flow.mgw.hostname, flow.mgw.portnr); |
| } |
| |
| /* Modify an existing RTP flow */ |
| function f_flow_modify(RTPEM_CTRL_PT pt, MgcpEndpoint ep, MgcpCallId call_id, charstring mode, inout RtpFlowData flow) |
| runs on dummy_CT { |
| var template MgcpCommand cmd; |
| var MgcpResponse resp; |
| var SDP_attribute_list attributes; |
| |
| attributes := { valueof(ts_SDP_rtpmap(flow.pt, flow.codec)), valueof(ts_SDP_ptime(20)) }; |
| if (isvalue(flow.fmtp)) { |
| attributes := attributes & { valueof(ts_SDP_fmtp(flow.pt, flow.fmtp)) }; |
| } |
| |
| /* rebind local RTP emulation socket to the new address */ |
| f_rtpem_bind(pt, flow.em.hostname, flow.em.portnr); |
| |
| /* reconfigure rtp-emulation */ |
| if (ispresent(flow.rtp_cfg)) { |
| f_rtpem_configure(pt, flow.rtp_cfg); |
| } else { |
| var RtpemConfig rtp_cfg := c_RtpemDefaultCfg; |
| rtp_cfg.tx_payload_type := flow.pt |
| f_rtpem_configure(pt, rtp_cfg); |
| } |
| |
| /* connect MGW side RTP socket to the emulation-side RTP socket using SDP */ |
| cmd := ts_MDCX(get_next_trans_id(), ep, mode, call_id, flow.mgcp_conn_id); |
| cmd.sdp := ts_SDP(flow.em.hostname, flow.em.hostname, "23", "42", |
| flow.em.portnr, { int2str(flow.pt) }, attributes); |
| resp := mgcp_transceive_mgw(cmd, tr_MDCX_ACK); |
| |
| /* extract MGW-side port number from response. (usually this |
| * will not change, but thats is up to the MGW) */ |
| flow.mgw.portnr := |
| resp.sdp.media_list[0].media_field.ports.port_number; |
| |
| /* reconnect the emulation-side RTP socket to the MGW */ |
| f_rtpem_connect(pt, flow.mgw.hostname, flow.mgw.portnr); |
| } |
| |
| /* Modify an existing Osmux flow */ |
| function f_flow_modify_osmux(OsmuxEM_CTRL_PT pt, MgcpEndpoint ep, MgcpCallId call_id, charstring mode, inout RtpFlowData flow) |
| runs on dummy_CT { |
| var template MgcpCommand cmd; |
| var MgcpResponse resp; |
| var SDP_attribute_list attributes; |
| var OsmuxRxHandle rx_hdl; |
| var charstring cid_response; |
| var OsmuxCID cid_resp_parsed |
| |
| attributes := { valueof(ts_SDP_rtpmap(flow.pt, flow.codec)), valueof(ts_SDP_ptime(20)) }; |
| if (isvalue(flow.fmtp)) { |
| attributes := attributes & { valueof(ts_SDP_fmtp(flow.pt, flow.fmtp)) }; |
| } |
| |
| /* rebind local Osmux emulation socket to the new address */ |
| f_osmuxem_bind(pt, flow.em.hostname, flow.em.portnr); |
| |
| /* configure osmux-emulation */ |
| if (ispresent(flow.osmux_cfg)) { |
| f_osmuxem_configure(pt, flow.osmux_cfg); |
| } else { |
| var OsmuxemConfig osmux_cfg := c_OsmuxemDefaultCfg; |
| f_osmuxem_configure(pt, osmux_cfg); |
| } |
| |
| /* We didn't send a non-wildcarded Osmux CID yet. If caller wants to submit it, register handler */ |
| if (flow.osmux_cid_sent == false and flow.osmux_cid != -1) { |
| rx_hdl := c_OsmuxemDefaultRxHandle; |
| rx_hdl.cid := flow.osmux_cid; |
| f_osmuxem_register_rxhandle(pt, rx_hdl); |
| flow.osmux_cid_sent := true; |
| } |
| |
| /* connect MGW side Osmux socket to the emulation-side Osmux socket using SDP */ |
| cmd := ts_MDCX_osmux(get_next_trans_id(), ep, mode, call_id, flow.mgcp_conn_id, flow.osmux_cid); |
| cmd.sdp := ts_SDP(flow.em.hostname, flow.em.hostname, "23", "42", |
| flow.em.portnr, { int2str(flow.pt) }, attributes); |
| resp := mgcp_transceive_mgw(cmd, tr_MDCX_ACK); |
| |
| /* extract MGW-side port number from response. (usually this |
| * will not change, but thats is up to the MGW) */ |
| flow.mgw.portnr := |
| resp.sdp.media_list[0].media_field.ports.port_number; |
| |
| /* extract Osmux CID we got assigned by the MGW */ |
| var MgcpMessage resp_msg := { |
| response := resp |
| } |
| |
| if (f_mgcp_find_param(resp_msg, "X-OSMUX", cid_response) == false) { |
| setverdict(fail, "No Osmux CID in MGCP response", resp); |
| mtc.stop; |
| } |
| |
| /* Make sure response is no wildcard */ |
| cid_resp_parsed := f_mgcp_osmux_cid_decode(cid_response); |
| if (cid_resp_parsed == -1) { |
| setverdict(fail, "Osmux CID in MGCP response contains unexpected wildcard"); |
| mtc.stop; |
| } |
| if (cid_resp_parsed != flow.osmux_cid_response) { |
| setverdict(fail, "Osmux CID in MGCP MDCX response changed from prev value"); |
| mtc.stop; |
| } |
| |
| /* reconnect the emulation-side Osmux socket to the MGW */ |
| f_osmuxem_connect(pt, flow.mgw.hostname, flow.mgw.portnr); |
| } |
| |
| /* Delete an existing RTP flow */ |
| function f_flow_delete(RTPEM_CTRL_PT pt, template MgcpEndpoint ep := omit, template MgcpCallId call_id := omit) |
| runs on dummy_CT { |
| var template MgcpCommand cmd; |
| var MgcpResponse resp; |
| |
| /* Switch off RTP flow */ |
| f_rtpem_mode(pt, RTPEM_MODE_NONE); |
| |
| /* Delete connection on MGW (if needed) */ |
| if (isvalue(call_id) and isvalue(ep)) { |
| f_sleep(0.1); |
| f_dlcx_ok(valueof(ep), call_id); |
| } |
| } |
| |
| /* Delete an existing Osmux flow */ |
| function f_flow_delete_osmux(OsmuxEM_CTRL_PT pt, template MgcpEndpoint ep := omit, template MgcpCallId call_id := omit) |
| runs on dummy_CT { |
| var template MgcpCommand cmd; |
| var MgcpResponse resp; |
| |
| /* Switch off Osmux flow */ |
| f_osmuxem_mode(pt, OSMUXEM_MODE_NONE); |
| |
| /* Delete connection on MGW (if needed) */ |
| if (isvalue(call_id) and isvalue(ep)) { |
| f_sleep(0.1); |
| f_dlcx_ok(valueof(ep), call_id); |
| } |
| } |
| |
| function f_crcx(charstring ep_prefix) runs on dummy_CT { |
| var MgcpEndpoint ep := ep_prefix & "2@" & c_mgw_domain; |
| var template MgcpCommand cmd; |
| var MgcpResponse resp; |
| var MgcpCallId call_id := '1234'H; |
| |
| f_init(ep); |
| |
| /* create the connection on the MGW */ |
| cmd := ts_CRCX(get_next_trans_id(), ep, "recvonly", call_id); |
| resp := mgcp_transceive_mgw(cmd, tr_CRCX_ACK); |
| extract_conn_id(resp); |
| |
| /* clean-up */ |
| f_dlcx_ok(ep, call_id); |
| } |
| |
| function f_crcx_no_lco(charstring ep_prefix) runs on dummy_CT { |
| var MgcpEndpoint ep := ep_prefix & "2@" & c_mgw_domain; |
| var template MgcpCommand cmd; |
| var MgcpResponse resp; |
| var MgcpCallId call_id := '1234'H; |
| |
| f_init(ep); |
| |
| /* create the connection on the MGW */ |
| cmd := ts_CRCX_no_lco(get_next_trans_id(), ep, "recvonly", call_id); |
| resp := mgcp_transceive_mgw(cmd, tr_CRCX_ACK); |
| extract_conn_id(resp); |
| |
| /* clean-up */ |
| f_dlcx_ok(ep, call_id); |
| |
| /* See also OS#2658: Even when we omit the LCO information, we |
| expect the MGW to pick a sane payload type for us. This |
| payload type should be visible in the SDP of the response. */ |
| if (resp.sdp.media_list[0].media_field.fmts[0] != "0") { |
| setverdict(fail, "SDP contains unexpected codec"); |
| mtc.stop; |
| } |
| |
| /* See also OS#2658: We also expect the MGW to assign a port |
| number to us. */ |
| if (isbound(resp.sdp.media_list[0].media_field.ports.port_number) == false) { |
| setverdict(fail, "SDP does not contain a port number"); |
| mtc.stop; |
| } |
| } |
| |
| function f_crcx_osmux(charstring ep_prefix, MgcpOsmuxCID osmux_cid, boolean run_init := true) runs on dummy_CT { |
| var MgcpEndpoint ep := ep_prefix & "2@" & c_mgw_domain; |
| var template MgcpCommand cmd; |
| var MgcpResponse resp; |
| var MgcpCallId call_id := '1234'H; |
| var charstring cid_response; |
| |
| if (run_init) { |
| f_init(ep, true); |
| } |
| |
| /* create the connection on the MGW */ |
| cmd := ts_CRCX_osmux(get_next_trans_id(), ep, "recvonly", call_id, osmux_cid); |
| resp := mgcp_transceive_mgw(cmd, tr_CRCX_ACK_osmux); |
| extract_conn_id(resp); |
| |
| /* extract Osmux CID we got assigned by the MGW */ |
| var MgcpMessage resp_msg := { |
| response := resp |
| } |
| |
| if (f_mgcp_find_param(resp_msg, "X-OSMUX", cid_response) == false) { |
| setverdict(fail, "No Osmux CID in MGCP response", resp); |
| mtc.stop; |
| } |
| |
| /* Make sure response is no wildcard */ |
| if (f_mgcp_osmux_cid_decode(cid_response) == -1) { |
| setverdict(fail, "Osmux CID in MGCP response contains unexpected wildcard"); |
| mtc.stop; |
| } |
| |
| /* clean-up */ |
| f_dlcx_ok(ep, call_id); |
| } |
| |
| /* test valid CRCX without SDP */ |
| testcase TC_crcx() runs on dummy_CT { |
| f_crcx(c_mgw_ep_rtpbridge); |
| setverdict(pass); |
| } |
| |
| /* test valid CRCX without SDP and LCO */ |
| testcase TC_crcx_no_lco() runs on dummy_CT { |
| f_crcx_no_lco(c_mgw_ep_rtpbridge); |
| setverdict(pass); |
| } |
| |
| /* test valid CRCX without SDP (older method without endpoint prefix) */ |
| testcase TC_crcx_noprefix() runs on dummy_CT { |
| f_crcx(""); |
| setverdict(pass); |
| } |
| |
| /* test CRCX with unsupported mode, expect 517 */ |
| testcase TC_crcx_unsupp_mode() runs on dummy_CT { |
| var template MgcpCommand cmd; |
| var MgcpResponse resp; |
| var MgcpEndpoint ep := c_mgw_ep_rtpbridge & "2@" & c_mgw_domain; |
| var MgcpCallId call_id := '1233'H; |
| var template MgcpResponse rtmpl := tr_MgcpResp_Err("517"); |
| |
| f_init(ep); |
| |
| cmd := ts_CRCX(get_next_trans_id(), ep, "netwtest", call_id); |
| resp := mgcp_transceive_mgw(cmd, rtmpl); |
| setverdict(pass); |
| } |
| |
| /* Test CRCX with X-Osmo-IGN, using same message as SYS#5063 to make sure it doesn't cause a crash. */ |
| testcase TC_crcx_osmo_ign() runs on dummy_CT { |
| var template MgcpCommand cmd; |
| var MgcpResponse resp; |
| var MgcpEndpoint ep := "7@" & c_mgw_domain; |
| var MgcpCallId call_id := '3'H; |
| |
| f_init(ep); |
| |
| /* CRCX 1 7@mgw MGCP 1.0 |
| C: 3 |
| L: p:20, a:GSM-EFR, nt:IN |
| M: recvonly |
| X-Osmo-IGN: C |
| */ |
| |
| cmd := ts_CRCX(get_next_trans_id(), ep, "netwtest", call_id); |
| cmd.params := {ts_MgcpParCallId(call_id), |
| t_MgcpParLocConnOpt("p:20, a:GSM-EFR, nt:IN"), |
| t_MgcpParConnMode("recvonly"), |
| t_MgcpParOsmoIGN("C")}; |
| resp := mgcp_transceive_mgw(cmd, tr_CRCX_ACK); |
| extract_conn_id(resp); |
| |
| /* clean-up */ |
| f_dlcx_ok(ep, call_id); |
| setverdict(pass); |
| } |
| |
| /* test CRCX with early bi-directional mode, expect 527 as |
| * bi-diretional media can only be established once both local and |
| * remote side are specified, see MGCP RFC */ |
| testcase TC_crcx_early_bidir_mode() runs on dummy_CT { |
| var template MgcpCommand cmd; |
| var MgcpResponse resp; |
| var MgcpEndpoint ep := c_mgw_ep_rtpbridge & "2@" & c_mgw_domain; |
| var MgcpCallId call_id := '1232'H; |
| var template MgcpResponse rtmpl := tr_MgcpResp_Err("527"); |
| |
| f_init(ep); |
| |
| cmd := ts_CRCX(get_next_trans_id(), ep, "sendrecv", call_id); |
| resp := mgcp_transceive_mgw(cmd, rtmpl); |
| setverdict(pass); |
| } |
| |
| /* test CRCX with unsupported Parameters */ |
| testcase TC_crcx_unsupp_param() runs on dummy_CT { |
| var template MgcpCommand cmd; |
| var MgcpResponse resp; |
| var MgcpEndpoint ep := c_mgw_ep_rtpbridge & "2@" & c_mgw_domain; |
| var MgcpCallId call_id := '1231'H; |
| var template MgcpResponse rtmpl := tr_MgcpResp_Err("539"); |
| |
| f_init(ep); |
| |
| cmd := ts_CRCX(get_next_trans_id(), ep, "recvonly", call_id); |
| /* osmo-bsc_mgcp/mgw doesn't implement notifications */ |
| f_mgcp_par_append(cmd.params, MgcpParameter:{ "N", "foobar" }); |
| |
| resp := mgcp_transceive_mgw(cmd, rtmpl); |
| setverdict(pass); |
| } |
| |
| /* test CRCX with missing CallId */ |
| testcase TC_crcx_missing_callid() runs on dummy_CT { |
| var template MgcpCommand cmd; |
| var MgcpResponse resp; |
| var MgcpEndpoint ep := c_mgw_ep_rtpbridge & "2@" & c_mgw_domain; |
| var template MgcpResponse rtmpl := tr_MgcpResp_Err(("400","516")); |
| |
| f_init(ep); |
| |
| cmd := ts_CRCX(get_next_trans_id(), ep, "recvonly", '1230'H); |
| cmd.params := { |
| t_MgcpParConnMode("recvonly"), |
| t_MgcpParLocConnOpt("p:20") |
| } |
| resp := mgcp_transceive_mgw(cmd, rtmpl); |
| setverdict(pass); |
| |
| } |
| |
| /* test CRCX with missing Mode */ |
| testcase TC_crcx_missing_mode() runs on dummy_CT { |
| var template MgcpCommand cmd; |
| var MgcpResponse resp; |
| var MgcpEndpoint ep := c_mgw_ep_rtpbridge & "2@" & c_mgw_domain; |
| var MgcpCallId call_id := '1229'H; |
| var template MgcpResponse rtmpl := tr_MgcpResp_Err(("400","517")); |
| |
| f_init(ep); |
| |
| cmd := ts_CRCX(get_next_trans_id(), ep, "recvonly", call_id); |
| cmd.params := { |
| ts_MgcpParCallId(call_id), |
| t_MgcpParLocConnOpt("p:20") |
| } |
| resp := mgcp_transceive_mgw(cmd, rtmpl); |
| setverdict(pass); |
| } |
| |
| /* test CRCX with unsupported packetization interval */ |
| testcase TC_crcx_unsupp_packet_intv() runs on dummy_CT { |
| var template MgcpCommand cmd; |
| var MgcpResponse resp; |
| var MgcpEndpoint ep := c_mgw_ep_rtpbridge & "2@" & c_mgw_domain; |
| var MgcpCallId call_id := '1228'H; |
| var template MgcpResponse rtmpl := tr_MgcpResp_Err("535"); |
| |
| f_init(ep); |
| |
| cmd := ts_CRCX(get_next_trans_id(), ep, "recvonly", call_id); |
| cmd.params[2] := t_MgcpParLocConnOpt("p:111"); |
| resp := mgcp_transceive_mgw(cmd, rtmpl); |
| setverdict(pass); |
| } |
| |
| /* test CRCX with illegal double presence of local connection option */ |
| testcase TC_crcx_illegal_double_lco() runs on dummy_CT { |
| var template MgcpCommand cmd; |
| var MgcpResponse resp; |
| var MgcpEndpoint ep := c_mgw_ep_rtpbridge & "2@" & c_mgw_domain; |
| var MgcpCallId call_id := '1227'H; |
| var template MgcpResponse rtmpl := tr_MgcpResp_Err("524"); |
| |
| f_init(ep); |
| |
| cmd := ts_CRCX(get_next_trans_id(), ep, "recvonly", call_id); |
| /* p:20 is permitted only once and not twice! */ |
| cmd.params[2] := t_MgcpParLocConnOpt("p:20, a:AMR, p:20"); |
| resp := mgcp_transceive_mgw(cmd, rtmpl); |
| setverdict(pass); |
| } |
| |
| /* test valid CRCX with valid SDP */ |
| testcase TC_crcx_sdp() runs on dummy_CT { |
| var template MgcpCommand cmd; |
| var MgcpResponse resp; |
| var MgcpEndpoint ep := c_mgw_ep_rtpbridge & "2@" & c_mgw_domain; |
| var MgcpCallId call_id := '1226'H; |
| |
| f_init(ep); |
| |
| cmd := ts_CRCX(get_next_trans_id(), ep, "sendrecv", call_id); |
| cmd.sdp := ts_SDP("127.0.0.1", "127.0.0.2", "23", "42", 2344, { "98" }, |
| { valueof(ts_SDP_rtpmap(98, "AMR/8000")), |
| valueof(ts_SDP_ptime(20)) }); |
| resp := mgcp_transceive_mgw(cmd, tr_CRCX_ACK); |
| |
| /* clean-up */ |
| f_dlcx_ok(ep, call_id); |
| |
| setverdict(pass); |
| } |
| |
| /* test valid wildcarded CRCX */ |
| testcase TC_crcx_wildcarded() runs on dummy_CT { |
| var template MgcpCommand cmd; |
| var MgcpResponse resp; |
| var MgcpEndpoint ep := c_mgw_ep_rtpbridge & "*@" & c_mgw_domain; |
| var MgcpCallId call_id := '1234'H; |
| var MgcpEndpoint ep_assigned; |
| f_init(); |
| |
| /* create the connection on the MGW */ |
| cmd := ts_CRCX(get_next_trans_id(), ep, "recvonly", call_id); |
| resp := mgcp_transceive_mgw(cmd, tr_CRCX_ACK); |
| extract_conn_id(resp); |
| |
| /* extract endpoint name we got assigned by the MGW */ |
| var MgcpMessage resp_msg := { |
| response := resp |
| } |
| if (f_mgcp_find_param(resp_msg, "Z", ep_assigned) == false) { |
| setverdict(fail, "No SpecificEndpointName in MGCP response", resp); |
| mtc.stop; |
| } |
| |
| /* clean-up */ |
| f_dlcx_ok(ep_assigned, call_id); |
| |
| setverdict(pass); |
| } |
| |
| /* test valid wildcarded CRCX */ |
| testcase TC_crcx_wildcarded_exhaust() runs on dummy_CT { |
| const integer n_endpoints := 31; |
| var integer i; |
| var template MgcpCommand cmd; |
| var MgcpResponse resp; |
| var MgcpEndpoint ep := c_mgw_ep_rtpbridge & "*@" & c_mgw_domain; |
| var MgcpCallId call_id := '1234'H; |
| var MgcpEndpoint ep_assigned[n_endpoints]; |
| f_init(); |
| |
| /* Exhaust all endpoint resources on the virtual trunk */ |
| for (i := 0; i < n_endpoints; i := i+1) { |
| cmd := ts_CRCX(get_next_trans_id(), ep, "recvonly", call_id); |
| resp := mgcp_transceive_mgw(cmd, tr_CRCX_ACK); |
| |
| /* Make sure we got a connection id */ |
| extract_conn_id(resp); |
| |
| var MgcpMessage resp_msg := { |
| response := resp |
| } |
| if (f_mgcp_find_param(resp_msg, "Z", ep_assigned[i]) == false) { |
| setverdict(fail, "No SpecificEndpointName in MGCP response", resp); |
| mtc.stop; |
| } |
| } |
| |
| /* Try to allocate one more endpoint, which should fail */ |
| cmd := ts_CRCX(get_next_trans_id(), ep, "recvonly", call_id); |
| var template MgcpResponse rtmpl := tr_MgcpResp_Err("403"); |
| resp := mgcp_transceive_mgw(cmd, rtmpl); |
| setverdict(pass); |
| |
| /* clean-up */ |
| for (i := 0; i < n_endpoints; i := i+1) { |
| f_dlcx_ok(ep_assigned[i], call_id); |
| } |
| setverdict(pass); |
| } |
| |
| /* TODO: various SDP related bits */ |
| |
| |
| /* TODO: CRCX with X-Osmux */ |
| /* TODO: double CRCX without force_realloc */ |
| |
| /* TODO: MDCX (various) */ |
| |
| /* TODO: MDCX without CRCX first */ |
| testcase TC_mdcx_without_crcx() runs on dummy_CT { |
| var template MgcpCommand cmd; |
| var MgcpResponse resp; |
| var MgcpEndpoint ep := c_mgw_ep_rtpbridge & "3@" & c_mgw_domain; |
| var MgcpCallId call_id := '1225'H; |
| var template MgcpResponse rtmpl := { |
| line := { |
| /* TODO: accept/enforce better error? */ |
| code := "400", |
| string := ? |
| }, |
| params:= { }, |
| sdp := omit |
| }; |
| |
| f_init(ep); |
| |
| cmd := ts_MDCX(get_next_trans_id(), ep, "sendrecv", call_id, call_id); |
| cmd.sdp := ts_SDP("127.0.0.1", "127.0.0.2", "23", "42", 2344, { "98" }, |
| { valueof(ts_SDP_rtpmap(98, "AMR/8000")), |
| valueof(ts_SDP_ptime(20)) }); |
| resp := mgcp_transceive_mgw(cmd, rtmpl); |
| setverdict(pass); |
| } |
| |
| /* DLCX without CRCX first */ |
| testcase TC_dlcx_without_crcx() runs on dummy_CT { |
| var template MgcpCommand cmd; |
| var MgcpResponse resp; |
| var MgcpEndpoint ep := c_mgw_ep_rtpbridge & "4@" & c_mgw_domain; |
| var template MgcpResponse rtmpl := { |
| line := { |
| code := ("400", "515"), |
| string := ? |
| }, |
| params:= { }, |
| sdp := omit |
| }; |
| |
| f_init(ep); |
| |
| cmd := ts_DLCX(get_next_trans_id(), ep, '41234'H); |
| resp := mgcp_transceive_mgw(cmd, rtmpl); |
| setverdict(pass); |
| } |
| |
| /* test valid wildcarded MDCX */ |
| testcase TC_mdcx_wildcarded() runs on dummy_CT { |
| /* Note: A wildcarded MDCX is not allowed, so we expect the |
| * MGW to reject this request */ |
| var template MgcpCommand cmd; |
| var MgcpResponse resp; |
| var MgcpEndpoint ep := c_mgw_ep_rtpbridge & "*@" & c_mgw_domain; |
| var MgcpCallId call_id := '1225'H; |
| var template MgcpResponse rtmpl := { |
| line := { |
| /* TODO: accept/enforce better error? */ |
| code := "507", |
| string := ? |
| }, |
| params:= { }, |
| sdp := omit |
| }; |
| |
| f_init(ep); |
| |
| cmd := ts_MDCX(get_next_trans_id(), ep, "sendrecv", call_id, call_id); |
| cmd.sdp := ts_SDP("127.0.0.1", "127.0.0.2", "23", "42", 2344, { "98" }, |
| { valueof(ts_SDP_rtpmap(98, "AMR/8000")), |
| valueof(ts_SDP_ptime(20)) }); |
| resp := mgcp_transceive_mgw(cmd, rtmpl); |
| setverdict(pass); |
| } |
| |
| /* test valid wildcarded DLCX */ |
| testcase TC_dlcx_wildcarded() runs on dummy_CT { |
| /* Note: A wildcarded DLCX is specified, but our MGW does not |
| * support this feature so we expect the MGW to reject the |
| * request */ |
| var template MgcpCommand cmd; |
| var MgcpResponse resp; |
| var MgcpEndpoint ep := c_mgw_ep_rtpbridge & "*@" & c_mgw_domain; |
| var template MgcpResponse rtmpl := { |
| line := { |
| code := "507", |
| string := ? |
| }, |
| params:= { }, |
| sdp := omit |
| }; |
| |
| f_init(ep); |
| |
| cmd := ts_DLCX(get_next_trans_id(), ep, '41234'H); |
| resp := mgcp_transceive_mgw(cmd, rtmpl); |
| setverdict(pass); |
| } |
| |
| /* Test (valid) CRCX followed by (valid) DLCX containig EP+CallId+ConnId */ |
| testcase TC_crcx_and_dlcx_ep_callid_connid() runs on dummy_CT { |
| var template MgcpCommand cmd; |
| var MgcpResponse resp; |
| var MgcpEndpoint ep := c_mgw_ep_rtpbridge & "5@" & c_mgw_domain; |
| var MgcpCallId call_id := '51234'H; |
| |
| f_init(ep); |
| |
| cmd := ts_CRCX(get_next_trans_id(), ep, "recvonly", call_id); |
| resp := mgcp_transceive_mgw(cmd, tr_CRCX_ACK); |
| |
| f_dlcx_ok(ep, call_id, extract_conn_id(resp)); |
| |
| setverdict(pass); |
| } |
| |
| /* test valid CRCX without SDP */ |
| testcase TC_crcx_osmux_wildcard() runs on dummy_CT { |
| f_crcx_osmux(c_mgw_ep_rtpbridge, -1); |
| setverdict(pass); |
| } |
| |
| /* test valid CRCX without SDP */ |
| testcase TC_crcx_osmux_fixed() runs on dummy_CT { |
| f_crcx_osmux(c_mgw_ep_rtpbridge, 2); |
| setverdict(pass); |
| } |
| |
| /* test valid CRCX without SDP, twice, to make sure CID is freed fine during first step. */ |
| testcase TC_crcx_osmux_fixed_twice() runs on dummy_CT { |
| f_crcx_osmux(c_mgw_ep_rtpbridge, 3, true); |
| f_crcx_osmux(c_mgw_ep_rtpbridge, 3, false); |
| setverdict(pass); |
| } |
| |
| /* Create one half open connection in receive-only mode. The MGW must accept |
| * the packets but must not send any. */ |
| testcase TC_one_crcx_receive_only_osmux() runs on dummy_CT { |
| var RtpFlowData flow; |
| var MgcpEndpoint ep := c_mgw_ep_rtpbridge & "1@" & c_mgw_domain; |
| var MgcpCallId call_id := '1225'H; |
| var OsmuxemStats stats; |
| var OsmuxTxHandle tx_hdl; |
| |
| f_init(ep, true); |
| flow := valueof(t_RtpFlow(mp_local_ipv4, mp_remote_ipv4, 112, "AMR/8000/1")); |
| flow.em.portnr := mp_local_osmux_port; |
| flow.osmux_cid := -1; |
| f_flow_create_osmux(OsmuxEM, ep, call_id, "recvonly", flow, false); |
| |
| /* create a transmitter not yet known by MGW */ |
| tx_hdl := valueof(t_TxHandleAMR590(2)); |
| f_osmuxem_register_txhandle(OsmuxEM, tx_hdl); |
| |
| f_osmuxem_mode(OsmuxEM, OSMUXEM_MODE_TXONLY); |
| f_sleep(1.0); |
| f_flow_delete_osmux(OsmuxEM, ep, call_id); |
| |
| stats := f_osmuxem_stats_get(OsmuxEM); |
| |
| if (stats.num_pkts_tx < 40 / flow.osmux_cfg.batch_size) { |
| setverdict(fail); |
| } |
| if (stats.bytes_payload_tx < stats.num_pkts_tx * f_amrft_payload_len(tx_hdl.amr_ft) * flow.osmux_cfg.batch_size) { |
| setverdict(fail); |
| } |
| |
| f_osmuxem_stats_err_check(stats); |
| |
| setverdict(pass); |
| } |
| |
| /* Create one connection in loopback mode, test if the Osmux packets are |
| * actually reflected */ |
| testcase TC_one_crcx_loopback_osmux() runs on dummy_CT { |
| var RtpFlowData flow; |
| var MgcpEndpoint ep := c_mgw_ep_rtpbridge & "1@" & c_mgw_domain; |
| var MgcpCallId call_id := '1225'H; |
| var OsmuxemStats stats; |
| var OsmuxTxHandle tx_hdl; |
| |
| f_init(ep, true); |
| flow := valueof(t_RtpFlow(mp_local_ipv4, mp_remote_ipv4, 111, "GSM-HR-08/8000/1")); |
| flow.em.portnr := mp_local_osmux_port; |
| flow.osmux_cid := 2; |
| f_flow_create_osmux(OsmuxEM, ep, call_id, "loopback", flow); |
| |
| f_osmuxem_mode(OsmuxEM, OSMUXEM_MODE_BIDIR); |
| f_sleep(1.0); |
| |
| /* Switch off both Tx, wait to receive delayed frames from MGW */ |
| f_osmuxem_mode(OsmuxEM, OSMUXEM_MODE_RXONLY); |
| f_sleep(0.1); |
| f_flow_delete_osmux(OsmuxEM, ep, call_id); |
| |
| stats := f_osmuxem_stats_get(OsmuxEM); |
| |
| if (stats.num_pkts_tx != stats.num_pkts_rx) { |
| setverdict(fail); |
| } |
| if (stats.bytes_payload_tx != stats.bytes_payload_rx) { |
| setverdict(fail); |
| } |
| |
| f_osmuxem_stats_err_check(stats); |
| |
| setverdict(pass); |
| } |
| |
| /* Cross-compare two osmuxem-statistics. The transmission statistics on the a side |
| * must match the reception statistics on the other side and vice versa. The |
| * user may also supply a tolerance value (number of packets) when deviations |
| * are acceptable */ |
| function f_rtp_osmux_stats_compare(RtpemStats a, OsmuxemStats b, integer batch_size, integer tolerance := 0) return boolean { |
| var integer plen; |
| |
| log("stats A: ", a); |
| log("stats B: ", b); |
| log("tolerance: ", tolerance, " packets"); |
| log("batch_size: ", batch_size, " packets"); |
| |
| var integer tolerance_batch := tolerance + (batch_size - tolerance mod batch_size); |
| |
| if (f_osmuxem_stats_compare_value(a.num_pkts_tx, b.num_pkts_rx * batch_size, tolerance_batch) == false) { |
| return false; |
| } |
| |
| if (f_osmuxem_stats_compare_value(a.num_pkts_rx / batch_size, b.num_pkts_tx, tolerance_batch) == false) { |
| return false; |
| } |
| |
| if(a.num_pkts_tx > 0) { |
| plen := a.bytes_payload_tx / a.num_pkts_tx; |
| } else { |
| plen := 0; |
| } |
| |
| /* Each RTP pcket payload contains 2 extra bytes due to AMR ToC at start */ |
| if (f_osmuxem_stats_compare_value(a.bytes_payload_tx, b.bytes_payload_rx + a.num_pkts_tx * 2, tolerance_batch * plen) == false) { |
| log("incorrect payload A->B: " , a.bytes_payload_tx, " vs ", b.bytes_payload_rx + a.num_pkts_rx * 2); |
| return false; |
| } |
| |
| if (f_osmuxem_stats_compare_value(a.bytes_payload_rx, b.bytes_payload_tx + b.num_pkts_tx * 2 * batch_size, tolerance_batch * plen) == false) { |
| log("incorrect payload B->A: " , b.bytes_payload_tx + b.num_pkts_tx * 2 * batch_size, " vs ", a.bytes_payload_rx); |
| return false; |
| } |
| |
| return true; |
| } |
| |
| function f_TC_two_crcx_and_rtp_osmux(boolean bidir, |
| charstring local_ip_rtp, charstring remote_ip_rtp, |
| charstring local_ip_osmux, charstring remote_ip_osmux) runs on dummy_CT { |
| var RtpFlowData flow[2]; |
| var RtpemStats stats_rtp; |
| var OsmuxemStats stats_osmux; |
| var MgcpResponse resp; |
| var MgcpEndpoint ep := c_mgw_ep_rtpbridge & "2@" & c_mgw_domain; |
| var MgcpCallId call_id := '1226'H; |
| var integer tolerance := 0; |
| |
| f_init(ep, true); |
| |
| /* from us to MGW */ |
| flow[0] := valueof(t_RtpFlow(local_ip_rtp, remote_ip_rtp, 112, "AMR/8000")); |
| flow[0].rtp_cfg := c_RtpemDefaultCfg |
| flow[0].rtp_cfg.tx_payload_type := flow[0].pt; |
| /* 0014 is the ToC (CMR=AMR4.75) in front of AMR Payload in RTP Payload */ |
| flow[0].rtp_cfg.rx_fixed_payload := '0014'O & f_osmux_gen_expected_rx_rtp_payload(2 /* AMR_FT_2, 5.90 */, c_OsmuxemDefaultCfg.tx_fixed_payload); |
| flow[0].rtp_cfg.tx_fixed_payload := flow[0].rtp_cfg.rx_fixed_payload; |
| /* bind local RTP emulation sockets */ |
| flow[0].em.portnr := 10000; |
| f_flow_create(RTPEM[0], ep, call_id, "sendrecv", flow[0]); |
| |
| /* from MGW back to us */ |
| flow[1] := valueof(t_RtpFlow(local_ip_osmux, remote_ip_osmux, 110, "AMR/8000")); |
| flow[1].em.portnr := mp_local_osmux_port; |
| flow[1].osmux_cid := 2; |
| flow[1].osmux_cfg := c_OsmuxemDefaultCfg; |
| f_flow_create_osmux(OsmuxEM, ep, call_id, "sendrecv", flow[1]); |
| |
| if (bidir) { |
| f_rtpem_mode(RTPEM[0], RTPEM_MODE_BIDIR); |
| f_osmuxem_mode(OsmuxEM, OSMUXEM_MODE_BIDIR); |
| |
| /* Note: When we test bidirectional we may |
| * loose packets during switch off because |
| * both ends are transmitting and we only |
| * can switch them off one by one. */ |
| tolerance := 3; |
| } else { |
| f_rtpem_mode(RTPEM[0], RTPEM_MODE_RXONLY); |
| f_osmuxem_mode(OsmuxEM, OSMUXEM_MODE_TXONLY); |
| } |
| |
| f_sleep(1.0); |
| |
| /* Switch off both Tx, wait to receive delayed frames from MGW */ |
| f_rtpem_mode(RTPEM[0], RTPEM_MODE_RXONLY); |
| f_osmuxem_mode(OsmuxEM, OSMUXEM_MODE_RXONLY); |
| f_sleep(0.1); |
| |
| f_flow_delete_osmux(OsmuxEM, ep, call_id); |
| f_flow_delete(RTPEM[1]); |
| |
| stats_rtp := f_rtpem_stats_get(RTPEM[0]); |
| stats_osmux := f_osmuxem_stats_get(OsmuxEM); |
| if (not f_rtp_osmux_stats_compare(stats_rtp, stats_osmux, flow[1].osmux_cfg.batch_size, tolerance)) { |
| setverdict(fail, "RTP and Osmux endpoint statistics don't match"); |
| mtc.stop; |
| } |
| |
| f_rtpem_stats_err_check(stats_rtp); |
| f_osmuxem_stats_err_check(stats_osmux); |
| |
| setverdict(pass); |
| } |
| |
| /* create one RTP and one OSmux emulations; create two connections on MGW EP, exchange some data */ |
| testcase TC_two_crcx_and_rtp_osmux() runs on dummy_CT { |
| f_TC_two_crcx_and_rtp_osmux(false, mp_local_ipv4, mp_remote_ipv4, |
| mp_local_ipv4, mp_remote_ipv4); |
| } |
| |
| /* create one RTP and one OSmux emulations; create two connections on MGW EP, |
| * exchange some data in both directions */ |
| testcase TC_two_crcx_and_rtp_osmux_bidir() runs on dummy_CT { |
| f_TC_two_crcx_and_rtp_osmux(true, mp_local_ipv4, mp_remote_ipv4, |
| mp_local_ipv4, mp_remote_ipv4); |
| } |
| |
| /* Same as TC_two_crcx_and_rtp_osmux_bidir, but using IPv6 */ |
| testcase TC_two_crcx_and_rtp_osmux_bidir_ipv6() runs on dummy_CT { |
| f_TC_two_crcx_and_rtp_osmux(true, mp_local_ipv6, mp_remote_ipv6, |
| mp_local_ipv6, mp_remote_ipv6); |
| } |
| /* Same as TC_two_crcx_and_rtp_osmux_bidir, but using IPv4 (RTP) and IPv6 (Osmux) */ |
| testcase TC_two_crcx_and_rtp_osmux_bidir_ipv4_ipv6() runs on dummy_CT { |
| f_TC_two_crcx_and_rtp_osmux(true, mp_local_ipv4, mp_remote_ipv4, |
| mp_local_ipv6, mp_remote_ipv6); |
| } |
| /* Same as TC_two_crcx_and_rtp_osmux_bidir, but using IPv6 (RTP) and IPv4 (Osmux) */ |
| testcase TC_two_crcx_and_rtp_osmux_bidir_ipv6_ipv4() runs on dummy_CT { |
| f_TC_two_crcx_and_rtp_osmux(true, mp_local_ipv6, mp_remote_ipv6, |
| mp_local_ipv4, mp_remote_ipv4); |
| } |
| |
| |
| function f_two_crcx_mdcx_and_rtp_osmux(boolean crcx_osmux_wildcard, |
| charstring local_ip_rtp, charstring remote_ip_rtp, |
| charstring local_ip_osmux, charstring remote_ip_osmux) runs on dummy_CT { |
| var RtpFlowData flow[2]; |
| var RtpemStats stats_rtp; |
| var OsmuxemStats stats_osmux; |
| var MgcpResponse resp; |
| var MgcpEndpoint ep := c_mgw_ep_rtpbridge & "2@" & c_mgw_domain; |
| var MgcpCallId call_id := '1227'H; |
| var integer num_pkts_tx[2]; |
| var integer temp; |
| |
| f_init(ep, true); |
| |
| /* Create the first connection in receive only mode */ |
| flow[0] := valueof(t_RtpFlow(local_ip_rtp, remote_ip_rtp, 112, "AMR/8000")); |
| flow[0].rtp_cfg := c_RtpemDefaultCfg |
| flow[0].rtp_cfg.tx_payload_type := flow[0].pt; |
| /* 0014 is the ToC (CMR=AMR4.75) in front of AMR Payload in RTP Payload */ |
| flow[0].rtp_cfg.rx_fixed_payload := '0014'O & f_osmux_gen_expected_rx_rtp_payload(2 /* AMR_FT_2, 5.90 */, c_OsmuxemDefaultCfg.tx_fixed_payload); |
| flow[0].rtp_cfg.tx_fixed_payload := flow[0].rtp_cfg.rx_fixed_payload; |
| /* bind local RTP emulation sockets */ |
| flow[0].em.portnr := 10000; |
| f_flow_create(RTPEM[0], ep, call_id, "recvonly", flow[0], true); |
| |
| |
| /* Create the second connection. This connection will be also |
| * in receive only mode */ |
| flow[1] := valueof(t_RtpFlow(local_ip_osmux, remote_ip_osmux, 110, "AMR/8000")); |
| flow[1].em.portnr := mp_local_osmux_port; |
| if (crcx_osmux_wildcard) { |
| flow[1].osmux_cid := -1; |
| } else { |
| flow[1].osmux_cid := 2; |
| } |
| flow[1].osmux_cfg := c_OsmuxemDefaultCfg; |
| f_flow_create_osmux(OsmuxEM, ep, call_id, "recvonly", flow[1], true); |
| |
| |
| /* The first leg starts transmitting */ |
| f_rtpem_mode(RTPEM[0], RTPEM_MODE_TXONLY); |
| f_sleep(0.5); |
| stats_rtp := f_rtpem_stats_get(RTPEM[0]); |
| if (stats_rtp.num_pkts_rx_err_disabled != 0) { |
| setverdict(fail, "received packets from RTP MGW on recvonly connection"); |
| mtc.stop; |
| } |
| stats_osmux := f_osmuxem_stats_get(OsmuxEM); |
| if (stats_osmux.num_pkts_rx_err_disabled != 0) { |
| setverdict(fail, "received packets from Osmux MGW on recvonly connection"); |
| mtc.stop; |
| } |
| |
| /* The second leg starts transmitting a little later */ |
| f_osmuxem_mode(OsmuxEM, OSMUXEM_MODE_TXONLY); |
| f_sleep(1.0); |
| stats_rtp := f_rtpem_stats_get(RTPEM[0]); |
| if (stats_rtp.num_pkts_rx_err_disabled != 0) { |
| setverdict(fail, "received packets from RTP MGW on recvonly connection"); |
| mtc.stop; |
| } |
| stats_osmux := f_osmuxem_stats_get(OsmuxEM); |
| if (stats_osmux.num_pkts_rx_err_disabled != 0) { |
| setverdict(fail, "received packets from Osmux MGW on recvonly connection"); |
| mtc.stop; |
| } |
| |
| /* The first leg will now be switched into bidirectional |
| * mode, but we do not expect any data comming back yet. */ |
| f_rtpem_mode(RTPEM[0], RTPEM_MODE_BIDIR); |
| stats_osmux := f_osmuxem_stats_get(OsmuxEM); |
| num_pkts_tx[1] := stats_osmux.num_pkts_tx; |
| f_flow_modify(RTPEM[0], ep, call_id, "sendrecv", flow[0]); |
| f_sleep(0.5); |
| stats_rtp := f_rtpem_stats_get(RTPEM[0]); |
| if (stats_rtp.num_pkts_rx_err_disabled != 0) { |
| setverdict(fail, "received packets from RTP MGW on recvonly connection"); |
| mtc.stop; |
| } |
| stats_osmux := f_osmuxem_stats_get(OsmuxEM); |
| if (stats_osmux.num_pkts_rx_err_disabled != 0) { |
| setverdict(fail, "received packets from Osmux MGW on recvonly connection"); |
| mtc.stop; |
| } |
| |
| /* When the second leg is switched into bidirectional mode |
| * as well, then the MGW will connect the two together and |
| * we should see RTP streams passing through from both ends. */ |
| f_osmuxem_mode(OsmuxEM, OSMUXEM_MODE_BIDIR); |
| stats_rtp := f_rtpem_stats_get(RTPEM[0]); |
| num_pkts_tx[0] := stats_rtp.num_pkts_tx; |
| |
| if (crcx_osmux_wildcard) { |
| /* For now we must set same CID as the MGW recvCID, |
| * having sendCID!=recvCID is not yet supported. */ |
| flow[1].osmux_cid := flow[1].osmux_cid_response; |
| } |
| f_flow_modify_osmux(OsmuxEM, ep, call_id, "sendrecv", flow[1]); |
| f_sleep(2.0); |
| |
| stats_rtp := f_rtpem_stats_get(RTPEM[0]); |
| stats_osmux := f_osmuxem_stats_get(OsmuxEM); |
| |
| temp := stats_rtp.num_pkts_tx - num_pkts_tx[0] - stats_osmux.num_pkts_rx * flow[1].osmux_cfg.batch_size; |
| if (temp > 3 * flow[1].osmux_cfg.batch_size or temp < -3 * flow[1].osmux_cfg.batch_size) { |
| log("stats_rtp: ", stats_rtp); |
| log("stats_osmux: ", stats_osmux); |
| log("old_rtp_tx: ", num_pkts_tx[0]); |
| setverdict(fail, "number of packets not within normal parameters (" & int2str(temp) & ")"); |
| mtc.stop; |
| } |
| |
| temp := stats_osmux.num_pkts_tx - num_pkts_tx[1] - stats_rtp.num_pkts_rx / flow[1].osmux_cfg.batch_size; |
| if (temp > 3 or temp < -3) { |
| setverdict(fail, "number of packets not within normal parameters (" & int2str(temp) & ")"); |
| mtc.stop; |
| } |
| |
| f_rtpem_stats_err_check(stats_rtp); |
| f_osmuxem_stats_err_check(stats_osmux); |
| |
| /* Tear down */ |
| f_flow_delete(RTPEM[0]); |
| f_flow_delete_osmux(OsmuxEM, ep, call_id); |
| setverdict(pass); |
| } |
| |
| /* create one RTP and one OSmux emulations and pass data in both |
| directions. Create CRCX with wildcard Osmux CID and set it later |
| during MDCX. This is similar to how MSC sets up the call in AoIP. */ |
| testcase TC_two_crcx_mdcx_and_rtp_osmux_wildcard() runs on dummy_CT { |
| f_two_crcx_mdcx_and_rtp_osmux(true, mp_local_ipv4, mp_remote_ipv4, |
| mp_local_ipv4, mp_remote_ipv4); |
| } |
| |
| /* create one RTP and one OSmux emulations and pass data in both |
| directions. Create CRCX with fixed Osmux CID and keep it during |
| MDCX. This is similar to how BSC sets up the call in AoIP. */ |
| testcase TC_two_crcx_mdcx_and_rtp_osmux_fixed() runs on dummy_CT { |
| f_two_crcx_mdcx_and_rtp_osmux(false, mp_local_ipv4, mp_remote_ipv4, |
| mp_local_ipv4, mp_remote_ipv4); |
| } |
| |
| /* Same as TC_two_crcx_mdcx_and_rtp_osmux_wildcard, but using IPv6. */ |
| testcase TC_two_crcx_mdcx_and_rtp_osmux_ipv6() runs on dummy_CT { |
| f_two_crcx_mdcx_and_rtp_osmux(false, mp_local_ipv6, mp_remote_ipv6, |
| mp_local_ipv6, mp_remote_ipv6); |
| } |
| /* Same as TC_two_crcx_mdcx_and_rtp_osmux_wildcard, but using IPv4 (RTP) and IPv6 (Osmux). */ |
| testcase TC_two_crcx_mdcx_and_rtp_osmux_ipv4_ipv6() runs on dummy_CT { |
| f_two_crcx_mdcx_and_rtp_osmux(false, mp_local_ipv4, mp_remote_ipv4, |
| mp_local_ipv6, mp_remote_ipv6); |
| } |
| /* Same as TC_two_crcx_mdcx_and_rtp_osmux_wildcard, but using IPv6 (RTP) and IPv4 (Osmux). */ |
| testcase TC_two_crcx_mdcx_and_rtp_osmux_ipv6_ipv4() runs on dummy_CT { |
| f_two_crcx_mdcx_and_rtp_osmux(false, mp_local_ipv6, mp_remote_ipv6, |
| mp_local_ipv4, mp_remote_ipv4); |
| } |
| |
| function f_crcx_and_dlcx_ep_callid_connid(MgcpEndpoint ep, MgcpCallId call_id) runs on dummy_CT { |
| var template MgcpCommand cmd; |
| var MgcpResponse resp; |
| |
| cmd := ts_CRCX(get_next_trans_id(), ep, "recvonly", call_id); |
| resp := mgcp_transceive_mgw(cmd, tr_CRCX_ACK); |
| |
| f_dlcx_ok(ep, call_id, extract_conn_id(resp)); |
| |
| setverdict(pass); |
| } |
| |
| testcase TC_crcx_dlcx_30ep() runs on dummy_CT { |
| var MgcpEndpoint ep; |
| var MgcpCallId call_id; |
| var integer ep_nr; |
| |
| f_init(); |
| |
| for (ep_nr := 1; ep_nr < 30; ep_nr := ep_nr+1) { |
| if(ep_nr > 15) { |
| ep := c_mgw_ep_rtpbridge & hex2str(int2hex(ep_nr, 2)) & "@" & c_mgw_domain; |
| } else { |
| ep := c_mgw_ep_rtpbridge & hex2str(int2hex(ep_nr, 1)) & "@" & c_mgw_domain; |
| } |
| call_id := int2hex(ep_nr, 2) & '1234'H; |
| f_crcx_and_dlcx_ep_callid_connid(ep, call_id); |
| } |
| } |
| |
| /* Test (valid) CRCX followed by (valid) DLCX containing EP+CallId */ |
| testcase TC_crcx_and_dlcx_ep_callid() runs on dummy_CT { |
| var template MgcpCommand cmd; |
| var MgcpResponse resp; |
| var MgcpEndpoint ep := c_mgw_ep_rtpbridge & "5@" & c_mgw_domain; |
| var MgcpCallId call_id := '51233'H; |
| |
| f_init(ep); |
| |
| cmd := ts_CRCX(get_next_trans_id(), ep, "recvonly", call_id); |
| resp := mgcp_transceive_mgw(cmd, tr_CRCX_ACK); |
| |
| f_dlcx_ok(ep, call_id); |
| |
| setverdict(pass); |
| } |
| |
| /* Test (valid) CRCX followed by (valid) DLCX containing EP */ |
| testcase TC_crcx_and_dlcx_ep() runs on dummy_CT { |
| var template MgcpCommand cmd; |
| var MgcpResponse resp; |
| var MgcpEndpoint ep := c_mgw_ep_rtpbridge & "5@" & c_mgw_domain; |
| var MgcpCallId call_id := '51232'H; |
| |
| f_init(ep); |
| |
| cmd := ts_CRCX(get_next_trans_id(), ep, "recvonly", call_id); |
| resp := mgcp_transceive_mgw(cmd, tr_CRCX_ACK); |
| |
| f_dlcx_ok(ep); |
| |
| setverdict(pass); |
| } |
| |
| |
| /* CRCX + DLCX of valid endpoint but invalid call-id */ |
| testcase TC_crcx_and_dlcx_ep_callid_inval() runs on dummy_CT { |
| var template MgcpCommand cmd; |
| var MgcpResponse resp; |
| var MgcpEndpoint ep := c_mgw_ep_rtpbridge & "5@" & c_mgw_domain; |
| var MgcpCallId call_id := '51231'H; |
| |
| f_init(ep); |
| |
| cmd := ts_CRCX(get_next_trans_id(), ep, "recvonly", call_id); |
| resp := mgcp_transceive_mgw(cmd, tr_CRCX_ACK); |
| |
| f_dlcx(ep, "516", *, 'ffff'H); |
| |
| setverdict(pass); |
| } |
| |
| |
| /* CRCX + DLCX of valid endpoint and call-id but invalid conn-id */ |
| testcase TC_crcx_and_dlcx_ep_callid_connid_inval() runs on dummy_CT { |
| var template MgcpCommand cmd; |
| var MgcpResponse resp; |
| var MgcpEndpoint ep := c_mgw_ep_rtpbridge & "5@" & c_mgw_domain; |
| var MgcpCallId call_id := '51230'H; |
| |
| f_init(ep); |
| |
| cmd := ts_CRCX(get_next_trans_id(), ep, "recvonly", call_id); |
| resp := mgcp_transceive_mgw(cmd, tr_CRCX_ACK); |
| |
| f_dlcx(ep, "515", *, call_id, 'ffff'H); |
| |
| setverdict(pass); |
| } |
| |
| |
| /* TODO: Double-DLCX (retransmission) */ |
| testcase TC_crcx_and_dlcx_retrans() runs on dummy_CT { |
| var template MgcpCommand cmd; |
| var MgcpResponse resp; |
| var MgcpEndpoint ep := c_mgw_ep_rtpbridge & "5@" & c_mgw_domain; |
| var MgcpCallId call_id := '51229'H; |
| var template MgcpResponse rtmpl := { |
| line := { |
| code := "200", |
| string := "OK" |
| }, |
| params:= { }, |
| sdp := omit |
| }; |
| |
| f_init(ep); |
| |
| cmd := ts_CRCX(get_next_trans_id(), ep, "recvonly", call_id); |
| resp := mgcp_transceive_mgw(cmd, tr_CRCX_ACK); |
| |
| cmd := ts_DLCX(get_next_trans_id(), ep, call_id); |
| resp := mgcp_transceive_mgw(cmd, rtmpl); |
| resp := mgcp_transceive_mgw(cmd, rtmpl); |
| |
| setverdict(pass); |
| } |
| |
| template (value) RtpFlowData t_RtpFlow(charstring host_a, charstring host_b, uint7_t pt, |
| charstring codec) := { |
| em := { |
| hostname := host_a, |
| portnr := omit |
| }, |
| mgw := { |
| hostname := host_b, |
| portnr := omit |
| }, |
| pt := pt, |
| codec := codec, |
| osmux_cid_sent := false |
| } |
| |
| /* transmit RTP streams between two RTP Emulations back-to-back; expect no loss */ |
| testcase TC_rtpem_selftest() runs on dummy_CT { |
| var RtpemStats stats[2]; |
| var integer local_port := 10000; |
| var integer local_port2 := 20000; |
| |
| f_init(); |
| |
| f_rtpem_bind(RTPEM[0], "127.0.0.1", local_port); |
| f_rtpem_bind(RTPEM[1], "127.0.0.2", local_port2); |
| |
| f_rtpem_connect(RTPEM[0], "127.0.0.2", local_port2); |
| f_rtpem_connect(RTPEM[1], "127.0.0.1", local_port); |
| |
| log("=== starting"); |
| f_rtpem_mode(RTPEM[0], RTPEM_MODE_BIDIR); |
| f_rtpem_mode(RTPEM[1], RTPEM_MODE_BIDIR); |
| |
| f_sleep(5.0); |
| |
| log("=== stopping"); |
| f_rtpem_mode(RTPEM[1], RTPEM_MODE_RXONLY); |
| f_rtpem_mode(RTPEM[0], RTPEM_MODE_RXONLY); |
| f_sleep(0.5); |
| f_rtpem_mode(RTPEM[1], RTPEM_MODE_NONE); |
| f_rtpem_mode(RTPEM[0], RTPEM_MODE_NONE); |
| |
| stats[0] := f_rtpem_stats_get(RTPEM[0]); |
| stats[1] := f_rtpem_stats_get(RTPEM[1]); |
| if (not f_rtpem_stats_compare(stats[0], stats[1])) { |
| setverdict(fail, "RTP endpoint statistics don't match"); |
| mtc.stop; |
| } |
| setverdict(pass); |
| } |
| |
| /* Create one half open connection in receive-only mode. The MGW must accept |
| * the packets but must not send any. */ |
| testcase TC_one_crcx_receive_only_rtp() runs on dummy_CT { |
| var RtpFlowData flow; |
| var MgcpEndpoint ep := c_mgw_ep_rtpbridge & "1@" & c_mgw_domain; |
| var MgcpCallId call_id := '1225'H; |
| var RtpemStats stats; |
| |
| f_init(ep); |
| flow := valueof(t_RtpFlow(mp_local_ipv4, mp_remote_ipv4, 112, "AMR/8000/1")); |
| flow.em.portnr := 10000; |
| f_flow_create(RTPEM[0], ep, call_id, "recvonly", flow, true); |
| |
| f_rtpem_mode(RTPEM[0], RTPEM_MODE_TXONLY); |
| f_sleep(1.0); |
| f_flow_delete(RTPEM[0], ep, call_id); |
| |
| stats := f_rtpem_stats_get(RTPEM[0]); |
| |
| /* Make sure that at least some amount of RTP packets/bytes |
| * have has been transmitted. The compare values for |
| * stats.num_pkts_tx and stats.bytes_payload_tx are determined |
| * using a testrun and the results were devided by 2, so even |
| * in load situations we should reach the minimum amount of |
| * required packets/bytes */ |
| |
| if (stats.num_pkts_tx < 24) { |
| setverdict(fail); |
| } |
| if (stats.bytes_payload_tx < 96) { |
| setverdict(fail); |
| } |
| |
| f_rtpem_stats_err_check(stats); |
| |
| setverdict(pass); |
| } |
| |
| /* Create one connection in loopback mode, test if the RTP packets are |
| * actually reflected */ |
| function f_TC_one_crcx_loopback_rtp(charstring local_ip, charstring remote_ip, boolean one_phase := true) runs on dummy_CT { |
| var RtpFlowData flow; |
| var MgcpEndpoint ep := c_mgw_ep_rtpbridge & "1@" & c_mgw_domain; |
| var MgcpCallId call_id := '1225'H; |
| var RtpemStats stats; |
| |
| f_init(ep); |
| flow := valueof(t_RtpFlow(local_ip, remote_ip, 111, "GSM-HR-08/8000/1")); |
| flow.em.portnr := 10000; |
| f_flow_create(RTPEM[0], ep, call_id, "loopback", flow, one_phase := one_phase); |
| |
| f_rtpem_mode(RTPEM[0], RTPEM_MODE_BIDIR); |
| f_sleep(1.0); |
| f_flow_delete(RTPEM[0], ep, call_id); |
| |
| stats := f_rtpem_stats_get(RTPEM[0]); |
| |
| if (stats.num_pkts_tx != stats.num_pkts_rx) { |
| setverdict(fail); |
| } |
| if (stats.bytes_payload_tx != stats.bytes_payload_rx) { |
| setverdict(fail); |
| } |
| |
| f_rtpem_stats_err_check(stats); |
| |
| setverdict(pass); |
| } |
| |
| /* Create one connection in loopback mode, test if the RTP packets are |
| * actually reflected */ |
| testcase TC_one_crcx_loopback_rtp() runs on dummy_CT { |
| f_TC_one_crcx_loopback_rtp(mp_local_ipv4, mp_remote_ipv4, one_phase := true) |
| } |
| testcase TC_one_crcx_loopback_rtp_ipv6() runs on dummy_CT { |
| f_TC_one_crcx_loopback_rtp(mp_local_ipv6, mp_remote_ipv6, one_phase := true) |
| } |
| |
| /* Same as above, but we will intenionally not tell the MGW where to |
| * send the outgoing traffic. The connection is still created in |
| * loopback mode, so the MGW should take the originating address from |
| * the incoming RTP packet and send it back to the source */ |
| testcase TC_one_crcx_loopback_rtp_implicit() runs on dummy_CT { |
| f_TC_one_crcx_loopback_rtp(mp_local_ipv6, mp_remote_ipv6, one_phase := false) |
| } |
| |
| |
| function f_TC_two_crcx_and_rtp(boolean bidir, charstring codec_name_a, integer pt_a, |
| charstring codec_name_b, integer pt_b) runs on dummy_CT { |
| var RtpFlowData flow[2]; |
| var RtpemStats stats[2]; |
| var MgcpResponse resp; |
| var MgcpEndpoint ep := c_mgw_ep_rtpbridge & "2@" & c_mgw_domain; |
| var MgcpCallId call_id := '1226'H; |
| var integer tolerance := 0; |
| |
| f_init(ep); |
| |
| /* from us to MGW */ |
| flow[0] := valueof(t_RtpFlow(mp_local_ipv4, mp_remote_ipv4, pt_a, codec_name_a)); |
| /* bind local RTP emulation sockets */ |
| flow[0].em.portnr := 10000; |
| f_flow_create(RTPEM[0], ep, call_id, "sendrecv", flow[0]); |
| |
| /* from MGW back to us */ |
| flow[1] := valueof(t_RtpFlow(mp_local_ipv4, mp_remote_ipv4, pt_b, codec_name_b)); |
| flow[1].em.portnr := 20000; |
| f_flow_create(RTPEM[1], ep, call_id, "sendrecv", flow[1]); |
| |
| if (bidir) { |
| f_rtpem_mode(RTPEM[0], RTPEM_MODE_BIDIR); |
| f_rtpem_mode(RTPEM[1], RTPEM_MODE_BIDIR); |
| |
| /* Note: When we test bidirectional we may |
| * loose packets during switch off because |
| * both ends are transmitting and we only |
| * can switch them off one by one. */ |
| tolerance := 3; |
| } else { |
| f_rtpem_mode(RTPEM[0], RTPEM_MODE_RXONLY); |
| f_rtpem_mode(RTPEM[1], RTPEM_MODE_TXONLY); |
| } |
| |
| f_sleep(1.0); |
| |
| f_flow_delete(RTPEM[1]); |
| f_flow_delete(RTPEM[0], ep, call_id); |
| |
| stats[0] := f_rtpem_stats_get(RTPEM[0]); |
| stats[1] := f_rtpem_stats_get(RTPEM[1]); |
| if (not f_rtpem_stats_compare(stats[0], stats[1], tolerance)) { |
| setverdict(fail, "RTP endpoint statistics don't match"); |
| mtc.stop; |
| } |
| |
| f_rtpem_stats_err_check(stats[0]); |
| f_rtpem_stats_err_check(stats[1]); |
| |
| setverdict(pass); |
| } |
| |
| /* create two local RTP emulations; create two connections on MGW EP, exchange some data */ |
| testcase TC_two_crcx_and_rtp() runs on dummy_CT { |
| f_TC_two_crcx_and_rtp(false, "AMR/8000", 98, "AMR/8000", 98); |
| } |
| |
| /* create two local RTP emulations; create two connections on MGW EP, |
| * exchange some data in both directions */ |
| testcase TC_two_crcx_and_rtp_bidir() runs on dummy_CT { |
| f_TC_two_crcx_and_rtp(true, "AMR/8000", 98, "AMR/8000", 98); |
| } |
| |
| /* same as TC_two_crcx_and_rtp, but with different PT number on both ends */ |
| testcase TC_two_crcx_diff_pt_and_rtp() runs on dummy_CT { |
| f_TC_two_crcx_and_rtp(false, "AMR/8000", 98, "AMR/8000", 112); |
| } |
| |
| /* same as TC_two_crcx_and_rtp, but with different PT number on both ends */ |
| testcase TC_two_crcx_diff_pt_and_rtp_bidir() runs on dummy_CT { |
| f_TC_two_crcx_and_rtp(true, "AMR/8000", 98, "AMR/8000", 112); |
| } |
| |
| /* create two local RTP emulations and pass data in both directions */ |
| function f_tc_two_crcx_mdcx_and_rtp(charstring local_ip_a, charstring remote_ip_a, |
| charstring local_ip_b, charstring remote_ip_b) runs on dummy_CT { |
| var RtpFlowData flow[2]; |
| var RtpemStats stats[2]; |
| var MgcpResponse resp; |
| var MgcpEndpoint ep := c_mgw_ep_rtpbridge & "2@" & c_mgw_domain; |
| var MgcpCallId call_id := '1227'H; |
| var integer num_pkts_tx[2]; |
| var integer temp; |
| |
| f_init(ep); |
| |
| /* Create the first connection in receive only mode */ |
| flow[0] := valueof(t_RtpFlow(local_ip_a, remote_ip_a, 3, "GSM/8000/1")); |
| flow[0].em.portnr := 10000; |
| f_flow_create(RTPEM[0], ep, call_id, "recvonly", flow[0], true); |
| |
| /* Create the second connection. This connection will be also |
| * in receive only mode */ |
| flow[1] := valueof(t_RtpFlow(local_ip_b, remote_ip_b, 3, "GSM/8000/1")); |
| flow[1].em.portnr := 20000; |
| f_flow_create(RTPEM[1], ep, call_id, "recvonly", flow[1], true); |
| |
| /* The first leg starts transmitting */ |
| f_rtpem_mode(RTPEM[0], RTPEM_MODE_TXONLY); |
| f_sleep(0.5); |
| stats[0] := f_rtpem_stats_get(RTPEM[0]); |
| if (stats[0].num_pkts_rx_err_disabled != 0) { |
| setverdict(fail, "received packets from MGW on recvonly connection 0"); |
| mtc.stop; |
| } |
| stats[1] := f_rtpem_stats_get(RTPEM[1]); |
| if (stats[1].num_pkts_rx_err_disabled != 0) { |
| setverdict(fail, "received packets from MGW on recvonly connection 1"); |
| mtc.stop; |
| } |
| |
| /* The second leg starts transmitting a little later */ |
| f_rtpem_mode(RTPEM[1], RTPEM_MODE_TXONLY); |
| f_sleep(1.0); |
| stats[0] := f_rtpem_stats_get(RTPEM[0]); |
| if (stats[0].num_pkts_rx_err_disabled != 0) { |
| setverdict(fail, "received packets from MGW on recvonly connection 0"); |
| mtc.stop; |
| } |
| stats[1] := f_rtpem_stats_get(RTPEM[1]); |
| if (stats[1].num_pkts_rx_err_disabled != 0) { |
| setverdict(fail, "received packets from MGW on recvonly connection 1"); |
| mtc.stop; |
| } |
| |
| /* The first leg will now be switched into bidirectional |
| * mode, but we do not expect any data comming back yet. */ |
| f_rtpem_mode(RTPEM[0], RTPEM_MODE_BIDIR); |
| stats[1] := f_rtpem_stats_get(RTPEM[1]); |
| num_pkts_tx[1] := stats[1].num_pkts_tx; |
| f_flow_modify(RTPEM[0], ep, call_id, "sendrecv", flow[0]); |
| f_sleep(0.5); |
| stats[0] := f_rtpem_stats_get(RTPEM[0]); |
| if (stats[0].num_pkts_rx_err_disabled != 0) { |
| setverdict(fail, "received packets from MGW on recvonly connection 0"); |
| mtc.stop; |
| } |
| stats[1] := f_rtpem_stats_get(RTPEM[1]); |
| if (stats[1].num_pkts_rx_err_disabled != 0) { |
| setverdict(fail, "received packets from MGW on recvonly connection 1"); |
| mtc.stop; |
| } |
| |
| /* When the second leg is switched into bidirectional mode |
| * as well, then the MGW will connect the two together and |
| * we should see RTP streams passing through from both ends. */ |
| f_rtpem_mode(RTPEM[1], RTPEM_MODE_BIDIR); |
| stats[0] := f_rtpem_stats_get(RTPEM[0]); |
| num_pkts_tx[0] := stats[0].num_pkts_tx; |
| f_flow_modify(RTPEM[1], ep, call_id, "sendrecv", flow[1]); |
| f_sleep(2.0); |
| |
| stats[0] := f_rtpem_stats_get(RTPEM[0]); |
| stats[1] := f_rtpem_stats_get(RTPEM[1]); |
| |
| temp := stats[0].num_pkts_tx - num_pkts_tx[0] - stats[1].num_pkts_rx; |
| if (temp > 3 or temp < -3) { |
| setverdict(fail, "number of packets not within normal parameters:", temp); |
| mtc.stop; |
| } |
| |
| temp := stats[1].num_pkts_tx - num_pkts_tx[1] - stats[0].num_pkts_rx; |
| if (temp > 3 or temp < -3) { |
| setverdict(fail, "number of packets not within normal parameters:", temp); |
| mtc.stop; |
| } |
| |
| f_rtpem_stats_err_check(stats[0]); |
| f_rtpem_stats_err_check(stats[1]); |
| |
| /* Tear down */ |
| f_flow_delete(RTPEM[0]); |
| f_flow_delete(RTPEM[1], ep, call_id); |
| setverdict(pass); |
| } |
| |
| testcase TC_two_crcx_mdcx_and_rtp() runs on dummy_CT { |
| f_tc_two_crcx_mdcx_and_rtp(mp_local_ipv4, mp_remote_ipv4, |
| mp_local_ipv4, mp_remote_ipv4); |
| } |
| |
| testcase TC_two_crcx_mdcx_and_rtp_ipv6() runs on dummy_CT { |
| f_tc_two_crcx_mdcx_and_rtp(mp_local_ipv6, mp_remote_ipv6, |
| mp_local_ipv6, mp_remote_ipv6); |
| } |
| |
| testcase TC_two_crcx_mdcx_and_rtp_ipv4_ipv6() runs on dummy_CT { |
| f_tc_two_crcx_mdcx_and_rtp(mp_local_ipv4, mp_remote_ipv4, |
| mp_local_ipv6, mp_remote_ipv6); |
| } |
| |
| /* Test what happens when two RTP streams from different sources target |
| * a single connection. Is the unsolicited stream properly ignored? */ |
| testcase TC_two_crcx_and_unsolicited_rtp() runs on dummy_CT { |
| var RtpFlowData flow[2]; |
| var RtpemStats stats[2]; |
| var MgcpResponse resp; |
| var MgcpEndpoint ep := c_mgw_ep_rtpbridge & "2@" & c_mgw_domain; |
| var MgcpCallId call_id := '1234321326'H; |
| var integer unsolicited_port := 10002; |
| |
| f_init(ep); |
| |
| /* from us to MGW */ |
| flow[0] := valueof(t_RtpFlow(mp_local_ipv4, mp_remote_ipv4, 98, "AMR/8000")); |
| /* bind local RTP emulation sockets */ |
| flow[0].em.portnr := 10000; |
| f_flow_create(RTPEM[0], ep, call_id, "sendrecv", flow[0]); |
| |
| /* from MGW back to us */ |
| flow[1] := valueof(t_RtpFlow(mp_local_ipv4, mp_remote_ipv4, 98, "AMR/8000")); |
| flow[1].em.portnr := 20000; |
| f_flow_create(RTPEM[1], ep, call_id, "sendrecv", flow[1]); |
| |
| f_rtpem_mode(RTPEM[1], RTPEM_MODE_RXONLY); |
| f_rtpem_mode(RTPEM[0], RTPEM_MODE_TXONLY); |
| |
| f_sleep(0.5); |
| |
| /* Start inserting unsolicited RTP packets */ |
| f_rtpem_bind(RTPEM[2], mp_local_ipv4, unsolicited_port); |
| f_rtpem_connect(RTPEM[2], mp_remote_ipv4, flow[0].mgw.portnr); |
| f_rtpem_mode(RTPEM[2], RTPEM_MODE_TXONLY); |
| |
| f_sleep(0.5); |
| |
| /* Stop transmitting packets and tear down the flows */ |
| f_rtpem_mode(RTPEM[2], RTPEM_MODE_NONE); |
| f_flow_delete(RTPEM[0]); |
| f_flow_delete(RTPEM[1], ep, call_id); |
| |
| stats[0] := f_rtpem_stats_get(RTPEM[0]); |
| stats[1] := f_rtpem_stats_get(RTPEM[1]); |
| if (not f_rtpem_stats_compare(stats[0], stats[1])) { |
| setverdict(fail, "RTP endpoint statistics don't match"); |
| mtc.stop; |
| } |
| |
| f_rtpem_stats_err_check(stats[0]); |
| f_rtpem_stats_err_check(stats[0]); |
| |
| setverdict(pass); |
| } |
| |
| /* Test a handover situation. We first create two connections transmit |
| * some data bidirectionally. Then we will simulate a handover situation. */ |
| testcase TC_two_crcx_and_one_mdcx_rtp_ho() runs on dummy_CT { |
| var RtpFlowData flow[2]; |
| var RtpemStats stats[3]; |
| var MgcpResponse resp; |
| var MgcpEndpoint ep := c_mgw_ep_rtpbridge & "4@" & c_mgw_domain; |
| var MgcpCallId call_id := '76338'H; |
| var integer port_old; |
| |
| f_init(ep); |
| |
| /* First connection (BTS) */ |
| flow[0] := valueof(t_RtpFlow(mp_local_ipv4, mp_remote_ipv4, 110, "GSM-EFR/8000")); |
| /* bind local RTP emulation sockets */ |
| flow[0].em.portnr := 10000; |
| f_flow_create(RTPEM[0], ep, call_id, "sendrecv", flow[0]); |
| |
| /* Second connection (PBX) */ |
| flow[1] := valueof(t_RtpFlow(mp_local_ipv4, mp_remote_ipv4, 110, "GSM-EFR/8000")); |
| flow[1].em.portnr := 20000; |
| f_flow_create(RTPEM[1], ep, call_id, "sendrecv", flow[1]); |
| |
| /* Normal rtp flow for one second */ |
| f_rtpem_mode(RTPEM[0], RTPEM_MODE_BIDIR); |
| f_rtpem_mode(RTPEM[1], RTPEM_MODE_BIDIR); |
| f_sleep(1.0); |
| |
| /* Now switch the flow over to a new port (BTS) */ |
| port_old := flow[0].em.portnr; |
| flow[0].em.portnr := 10002; |
| f_rtpem_mode(RTPEM[0], RTPEM_MODE_RXONLY); |
| f_flow_modify(RTPEM[0], ep, call_id, "sendrecv", flow[0]); |
| f_rtpem_mode(RTPEM[0], RTPEM_MODE_BIDIR); |
| |
| /* When handing over a call, the old source may still keep |
| * transmitting for a while. We simulate this by injecting |
| * some unsolicited packets on the behalf of the old source, |
| * (old remote port) */ |
| f_rtpem_bind(RTPEM[2], mp_local_ipv4, port_old); |
| f_rtpem_connect(RTPEM[2], mp_remote_ipv4, flow[0].mgw.portnr); |
| f_rtpem_mode(RTPEM[2], RTPEM_MODE_TXONLY); |
| f_sleep(1.0); |
| f_rtpem_mode(RTPEM[2], RTPEM_MODE_NONE); |
| f_sleep(1.0); |
| |
| /* Terminate call */ |
| f_flow_delete(RTPEM[0]); |
| f_flow_delete(RTPEM[1], ep, call_id); |
| |
| stats[0] := f_rtpem_stats_get(RTPEM[0]); |
| stats[1] := f_rtpem_stats_get(RTPEM[1]); |
| if (not f_rtpem_stats_compare(stats[0], stats[1], 5)) { |
| setverdict(fail, "RTP endpoint statistics don't match"); |
| mtc.stop; |
| } |
| stats[2] := f_rtpem_stats_get(RTPEM[2]); |
| if (stats[2].num_pkts_rx_err_disabled != 0) { |
| setverdict(fail, "received packets on old leg after handover"); |
| mtc.stop; |
| } |
| |
| f_rtpem_stats_err_check(stats[0]); |
| f_rtpem_stats_err_check(stats[1]); |
| f_rtpem_stats_err_check(stats[2]); |
| |
| setverdict(pass); |
| } |
| |
| |
| /* create two local RTP emulations; create two connections on MGW EP, see if |
| * exchanged data is converted bwtween ts101318 and rfc5993 */ |
| testcase TC_ts101318_rfc5993_rtp_conversion() runs on dummy_CT { |
| var RtpFlowData flow[2]; |
| var RtpemStats stats[2]; |
| var MgcpResponse resp; |
| var MgcpEndpoint ep := c_mgw_ep_rtpbridge & "2@" & c_mgw_domain; |
| var MgcpCallId call_id := '1226'H; |
| |
| f_init(ep); |
| |
| /* Turn on conversion mode */ |
| f_vty_enter_config(MGWVTY); |
| f_vty_transceive(MGWVTY, "mgcp"); |
| f_vty_transceive(MGWVTY, "rtp-patch rfc5993hr"); |
| |
| /* Connection #0 (Bidirectional) */ |
| flow[0] := valueof(t_RtpFlow(mp_local_ipv4, mp_remote_ipv4, 111, "GSM-HR-08/8000")); |
| /* bind local RTP emulation sockets */ |
| flow[0].em.portnr := 10000; |
| flow[0].rtp_cfg := c_RtpemDefaultCfg; |
| flow[0].rtp_cfg.tx_payload_type := flow[0].pt; |
| flow[0].rtp_cfg.rx_fixed_payload := '0b11b3eede60be4e3ec68838c7b5'O; |
| flow[0].rtp_cfg.tx_fixed_payload := '0b11b3eede60be4e3ec68838c7b5'O; |
| f_flow_create(RTPEM[0], ep, call_id, "sendrecv", flow[0]); |
| |
| /* Connection #1 (Bidirectional) */ |
| flow[1] := valueof(t_RtpFlow(mp_local_ipv4, mp_remote_ipv4, 111, "GSM-HR-08/8000")); |
| flow[1].em.portnr := 20000; |
| flow[1].rtp_cfg := c_RtpemDefaultCfg; |
| flow[1].rtp_cfg.tx_payload_type := flow[1].pt; |
| flow[1].rtp_cfg.rx_fixed_payload := '000b11b3eede60be4e3ec68838c7b5'O; |
| flow[1].rtp_cfg.tx_fixed_payload := '000b11b3eede60be4e3ec68838c7b5'O; |
| f_flow_create(RTPEM[1], ep, call_id, "sendrecv", flow[1]); |
| |
| /* Send RTP packets to connection #0, receive on connection #1 */ |
| f_rtpem_mode(RTPEM[1], RTPEM_MODE_RXONLY); |
| f_sleep(0.5); |
| f_rtpem_mode(RTPEM[0], RTPEM_MODE_TXONLY); |
| f_sleep(1.0); |
| f_rtpem_mode(RTPEM[0], RTPEM_MODE_NONE); |
| f_sleep(0.5); |
| f_rtpem_mode(RTPEM[1], RTPEM_MODE_NONE); |
| |
| /* Send RTP packets to connection #1, receive on connection #0 */ |
| f_rtpem_mode(RTPEM[0], RTPEM_MODE_RXONLY); |
| f_sleep(0.5); |
| f_rtpem_mode(RTPEM[1], RTPEM_MODE_TXONLY); |
| f_sleep(1.0); |
| f_rtpem_mode(RTPEM[1], RTPEM_MODE_NONE); |
| f_sleep(0.5); |
| f_rtpem_mode(RTPEM[0], RTPEM_MODE_NONE); |
| |
| /* Remove RTP flows and check statistics */ |
| f_flow_delete(RTPEM[0]); |
| f_flow_delete(RTPEM[1], ep, call_id); |
| |
| /* Check for errors */ |
| stats[0] := f_rtpem_stats_get(RTPEM[0]); |
| stats[1] := f_rtpem_stats_get(RTPEM[1]); |
| f_rtpem_stats_err_check(stats[0]); |
| f_rtpem_stats_err_check(stats[1]); |
| |
| /* Turn off conversion mode */ |
| f_vty_transceive(MGWVTY, "no rtp-patch rfc5993hr"); |
| |
| setverdict(pass); |
| } |
| |
| /* create two local RTP emulations; create two connections on MGW EP, see if |
| * exchanged data is converted between AMR octet-aligned and bandwith |
| * efficient-mode */ |
| function f_TC_amr_x_x_rtp_conversion(octetstring pl0, octetstring pl1, charstring fmtp0, charstring fmtp1) runs on dummy_CT { |
| var RtpFlowData flow[2]; |
| var RtpemStats stats[2]; |
| var MgcpResponse resp; |
| var MgcpEndpoint ep := c_mgw_ep_rtpbridge & "2@" & c_mgw_domain; |
| var MgcpCallId call_id := '1226'H; |
| |
| f_init(ep); |
| |
| /* Connection #0 (Bidirectional) */ |
| flow[0] := valueof(t_RtpFlow(mp_local_ipv4, mp_remote_ipv4, 112, "AMR/8000")); |
| /* bind local RTP emulation sockets */ |
| flow[0].em.portnr := 10000; |
| flow[0].rtp_cfg := c_RtpemDefaultCfg; |
| flow[0].rtp_cfg.tx_payload_type := flow[0].pt; |
| flow[0].rtp_cfg.rx_fixed_payload := pl0; |
| flow[0].rtp_cfg.tx_fixed_payload := pl0; |
| flow[0].fmtp := fmtp0; |
| f_flow_create(RTPEM[0], ep, call_id, "sendrecv", flow[0]); |
| |
| /* Connection #1 (Bidirectional) */ |
| flow[1] := valueof(t_RtpFlow(mp_local_ipv4, mp_remote_ipv4, 112, "AMR/8000")); |
| flow[1].em.portnr := 20000; |
| flow[1].rtp_cfg := c_RtpemDefaultCfg; |
| flow[1].rtp_cfg.tx_payload_type := flow[1].pt; |
| flow[1].rtp_cfg.rx_fixed_payload := pl1; |
| flow[1].rtp_cfg.tx_fixed_payload := pl1; |
| flow[1].fmtp := fmtp1; |
| f_flow_create(RTPEM[1], ep, call_id, "sendrecv", flow[1]); |
| |
| /* Send RTP packets to connection #0, receive on connection #1 */ |
| f_rtpem_mode(RTPEM[1], RTPEM_MODE_RXONLY); |
| f_sleep(0.5); |
| f_rtpem_mode(RTPEM[0], RTPEM_MODE_TXONLY); |
| f_sleep(1.0); |
| f_rtpem_mode(RTPEM[0], RTPEM_MODE_NONE); |
| f_sleep(0.5); |
| f_rtpem_mode(RTPEM[1], RTPEM_MODE_NONE); |
| |
| /* Send RTP packets to connection #1, receive on connection #0 */ |
| f_rtpem_mode(RTPEM[0], RTPEM_MODE_RXONLY); |
| f_sleep(0.5); |
| f_rtpem_mode(RTPEM[1], RTPEM_MODE_TXONLY); |
| f_sleep(1.0); |
| f_rtpem_mode(RTPEM[1], RTPEM_MODE_NONE); |
| f_sleep(0.5); |
| f_rtpem_mode(RTPEM[0], RTPEM_MODE_NONE); |
| |
| /* Remove RTP flows and check statistics */ |
| f_flow_delete(RTPEM[0]); |
| f_flow_delete(RTPEM[1], ep, call_id); |
| |
| /* Check for errors */ |
| stats[0] := f_rtpem_stats_get(RTPEM[0]); |
| stats[1] := f_rtpem_stats_get(RTPEM[1]); |
| f_rtpem_stats_err_check(stats[0]); |
| f_rtpem_stats_err_check(stats[1]); |
| |
| setverdict(pass); |
| } |
| |
| /* Note: The hexstrings used with the f_TC_amr_x_x_rtp_conversion test |
| * functions are real world AMR RTP payloads including AMR header. The |
| * payloads were extracted from a trace with known good payloads. */ |
| |
| testcase TC_amr_oa_bwe_rtp_conversion() runs on dummy_CT { |
| f_TC_amr_x_x_rtp_conversion('2014e959f35fdfe5e9667ffbc088818088'O, '217a567cd7f7f97a599ffef022206022'O, "octet-align=1", "octet-align=0"); |
| } |
| |
| testcase TC_amr_oa_oa_rtp_conversion() runs on dummy_CT { |
| f_TC_amr_x_x_rtp_conversion('100c4e9ba850e30d5d53d04de41e7c'O, '100c4e9ba850e30d5d53d04de41e7c'O, "octet-align=1", "octet-align=1"); |
| } |
| |
| testcase TC_amr_bwe_bwe_rtp_conversion() runs on dummy_CT { |
| f_TC_amr_x_x_rtp_conversion('10d3a6ea1438c35754f41379079f'O, '10d3a6ea1438c35754f41379079f'O, "octet-align=0", "octet-align=0"); |
| } |
| |
| /* TODO: Double-DLCX (no retransmission) */ |
| |
| |
| |
| /* TODO: AUEP (various) */ |
| /* TODO: RSIP (various) */ |
| /* TODO: RQNT (various) */ |
| /* TODO: EPCF (various) */ |
| /* TODO: AUCX (various) */ |
| /* TODO: invalid verb (various) */ |
| |
| |
| testcase TC_conn_timeout() runs on dummy_CT { |
| var RtpFlowData flow; |
| var MgcpEndpoint ep := c_mgw_ep_rtpbridge & "1@" & c_mgw_domain; |
| var MgcpCallId call_id := '1225'H; |
| var MGCP_RecvFrom mrf; |
| |
| f_init(ep); |
| log("Setting conn-timeout to 1s"); |
| f_vty_config(MGWVTY, "mgcp", "conn-timeout 1"); /* reset in f_init_vty() */ |
| |
| log("Sending RTP data for 1.5s"); |
| flow := valueof(t_RtpFlow(mp_local_ipv4, mp_remote_ipv4, 111, "GSM-HR-08/8000/1")); |
| flow.em.portnr := 10000; |
| f_flow_create(RTPEM[0], ep, call_id, "loopback", flow); |
| f_rtpem_mode(RTPEM[0], RTPEM_MODE_BIDIR); |
| f_sleep(1.5); |
| |
| log("Stopping for 0.5s and resuming"); |
| f_rtpem_mode(RTPEM[0], RTPEM_MODE_NONE); |
| f_sleep(0.5); |
| f_rtpem_mode(RTPEM[0], RTPEM_MODE_BIDIR); |
| f_sleep(0.1); |
| |
| log("Stopping for 1.5s, expecting to run into timeout"); |
| f_rtpem_mode(RTPEM[0], RTPEM_MODE_NONE); |
| f_sleep(1.5); |
| |
| log("Resuming should fail now"); |
| f_rtpem_conn_refuse_expect(RTPEM[0]); |
| f_rtpem_mode(RTPEM[0], RTPEM_MODE_BIDIR); |
| f_sleep(0.2); |
| f_rtpem_conn_refuse_verify(RTPEM[0]); |
| |
| setverdict(pass); |
| } |
| |
| /* Test (valid) CRCX followed by (valid) DLCX containing EP (E1) */ |
| testcase TC_e1_crcx_and_dlcx_ep() runs on dummy_CT { |
| var template MgcpCommand cmd; |
| var MgcpResponse resp; |
| var MgcpEndpoint ep := "ds/e1-1/s-1/su16-0@" & c_mgw_domain; |
| var MgcpCallId call_id := '8376F297'H; |
| |
| f_init(ep); |
| |
| cmd := ts_CRCX(get_next_trans_id(), ep, "recvonly", call_id); |
| resp := mgcp_transceive_mgw(cmd, tr_CRCX_ACK); |
| |
| f_dlcx_ok(ep); |
| |
| setverdict(pass); |
| } |
| |
| /* Test what happens when overlapping endpoints are selected (E1) */ |
| testcase TC_e1_crcx_with_overlap() runs on dummy_CT { |
| var template MgcpCommand cmd; |
| var MgcpResponse resp; |
| var MgcpEndpoint ep_1 := "ds/e1-1/s-1/su8-0@" & c_mgw_domain; |
| var MgcpEndpoint ep_2 := "ds/e1-1/s-1/su16-0@" & c_mgw_domain; |
| var MgcpCallId call_id_1 := '8376F297'H; |
| var MgcpCallId call_id_2 := '837AF2A7'H; |
| |
| f_init(); |
| |
| /* ep_1 and ep_2 are overlapping, selecting both one after |
| * another should work fine: */ |
| cmd := ts_CRCX(get_next_trans_id(), ep_1, "recvonly", call_id_1); |
| resp := mgcp_transceive_mgw(cmd, tr_CRCX_ACK); |
| f_dlcx_ok(ep_1); |
| cmd := ts_CRCX(get_next_trans_id(), ep_2, "recvonly", call_id_2); |
| resp := mgcp_transceive_mgw(cmd, tr_CRCX_ACK); |
| f_dlcx_ok(ep_2); |
| |
| /* When ep_1 is serving a call we can not select ep_2 becaus |
| * it is overlapping with ep_1 */ |
| cmd := ts_CRCX(get_next_trans_id(), ep_1, "recvonly", call_id_1); |
| resp := mgcp_transceive_mgw(cmd, tr_CRCX_ACK); |
| cmd := ts_CRCX(get_next_trans_id(), ep_2, "recvonly", call_id_2); |
| resp := mgcp_transceive_mgw(cmd, ?); |
| if (resp.line.code != "501") { |
| setverdict(fail, "unexpected CRCX returncode, CRCX should fail!"); |
| } |
| f_dlcx_ok(ep_1); |
| |
| setverdict(pass); |
| } |
| |
| /* Create one connection in loopback mode, test if the RTP packets are |
| * actually reflected */ |
| testcase TC_e1_crcx_loopback() runs on dummy_CT { |
| var RtpFlowData flow; |
| var MgcpEndpoint ep := "ds/e1-1/s-1/su16-0@" & c_mgw_domain; |
| var MgcpCallId call_id := '12250989'H; |
| var RtpemStats stats; |
| |
| f_init(ep); |
| flow := valueof(t_RtpFlow(mp_local_ipv4, mp_remote_ipv4, 111, "GSM-HR-08/8000/1")); |
| flow.em.portnr := 10000; |
| f_flow_create(RTPEM[0], ep, call_id, "loopback", flow); |
| |
| f_rtpem_mode(RTPEM[0], RTPEM_MODE_BIDIR); |
| f_sleep(1.0); |
| f_flow_delete(RTPEM[0], ep, call_id); |
| |
| stats := f_rtpem_stats_get(RTPEM[0]); |
| |
| if (stats.num_pkts_tx != stats.num_pkts_rx) { |
| setverdict(fail); |
| } |
| if (stats.bytes_payload_tx != stats.bytes_payload_rx) { |
| setverdict(fail); |
| } |
| |
| f_rtpem_stats_err_check(stats); |
| |
| setverdict(pass); |
| } |
| |
| /* test valid CRCX then MDCX with IPv4 address, MGW provides a local IPv4 too */ |
| testcase TC_crcx_mdcx_ip4() runs on dummy_CT { |
| var MgcpEndpoint ep := c_mgw_ep_rtpbridge & "2@" & c_mgw_domain; |
| var template MgcpCommand cmd; |
| var MgcpResponse resp; |
| var MgcpCallId call_id := '1234'H; |
| var MgcpConnectionId conn_id; |
| |
| f_init(ep); |
| |
| /* create the connection on the MGW */ |
| cmd := ts_CRCX(get_next_trans_id(), ep, "recvonly", call_id); |
| resp := mgcp_transceive_mgw(cmd, tr_CRCX_ACK); |
| conn_id := extract_conn_id(resp); |
| |
| cmd := ts_MDCX(get_next_trans_id(), ep, "sendrecv", call_id, conn_id); |
| cmd.sdp := ts_SDP("127.0.0.2", "127.0.0.1", "23", "42", 2344, { "98" }, |
| { valueof(ts_SDP_rtpmap(98, "AMR/8000")), |
| valueof(ts_SDP_ptime(20)) }); |
| resp := mgcp_transceive_mgw(cmd, tr_MDCX_ACK); |
| |
| if (not ispresent(resp.sdp) or not ispresent(resp.sdp.connection)) { |
| setverdict(fail, "No RemoteConnection info found in MDCX ACK!"); |
| } |
| if (not match(resp.sdp.connection, ts_SDP_connection_IP("127.0.0.1", "IP4"))) { |
| setverdict(fail, "Wrong RemoteConnection in MDCX ACK!", resp.sdp.connection); |
| } |
| |
| /* clean-up */ |
| f_dlcx_ok(ep, call_id); |
| setverdict(pass); |
| } |
| |
| /* test valid CRCX then MDCX with IPv6 address, MGW provides a local IPv6 too */ |
| testcase TC_crcx_mdcx_ip6() runs on dummy_CT { |
| var MgcpEndpoint ep := c_mgw_ep_rtpbridge & "2@" & c_mgw_domain; |
| var template MgcpCommand cmd; |
| var MgcpResponse resp; |
| var MgcpCallId call_id := '1234'H; |
| var MgcpConnectionId conn_id; |
| |
| f_init(ep); |
| |
| /* create the connection on the MGW */ |
| cmd := ts_CRCX(get_next_trans_id(), ep, "recvonly", call_id); |
| resp := mgcp_transceive_mgw(cmd, tr_CRCX_ACK); |
| conn_id := extract_conn_id(resp); |
| |
| cmd := ts_MDCX(get_next_trans_id(), ep, "sendrecv", call_id, conn_id); |
| cmd.sdp := ts_SDP("::2", "::1", "23", "42", 2344, { "98" }, |
| { valueof(ts_SDP_rtpmap(98, "AMR/8000")), |
| valueof(ts_SDP_ptime(20)) }); |
| resp := mgcp_transceive_mgw(cmd, tr_MDCX_ACK); |
| |
| if (not ispresent(resp.sdp) or not ispresent(resp.sdp.connection)) { |
| setverdict(fail, "No RemoteConnection info found in MDCX ACK!"); |
| } |
| if (not match(resp.sdp.connection, ts_SDP_connection_IP("::1", "IP6"))) { |
| setverdict(fail, "Wrong RemoteConnection in MDCX ACK!", resp.sdp.connection); |
| } |
| |
| /* clean-up */ |
| f_dlcx_ok(ep, call_id); |
| setverdict(pass); |
| } |
| |
| control { |
| execute(TC_selftest()); |
| execute(TC_crcx()); |
| execute(TC_crcx_no_lco()); |
| execute(TC_crcx_noprefix()); |
| execute(TC_crcx_unsupp_mode()); |
| execute(TC_crcx_osmo_ign()); |
| execute(TC_crcx_early_bidir_mode()); |
| execute(TC_crcx_unsupp_param()); |
| execute(TC_crcx_missing_callid()); |
| execute(TC_crcx_missing_mode()); |
| execute(TC_crcx_unsupp_packet_intv()); |
| execute(TC_crcx_illegal_double_lco()); |
| execute(TC_crcx_sdp()); |
| execute(TC_crcx_wildcarded()); |
| execute(TC_crcx_wildcarded_exhaust()); |
| execute(TC_mdcx_without_crcx()); |
| execute(TC_dlcx_without_crcx()); |
| execute(TC_mdcx_wildcarded()); |
| execute(TC_dlcx_wildcarded()); |
| execute(TC_crcx_and_dlcx_ep_callid_connid()); |
| execute(TC_crcx_and_dlcx_ep_callid()); |
| execute(TC_crcx_and_dlcx_ep()); |
| execute(TC_crcx_and_dlcx_ep_callid_inval()); |
| execute(TC_crcx_and_dlcx_ep_callid_connid_inval()); |
| execute(TC_crcx_and_dlcx_retrans()); |
| |
| execute(TC_crcx_osmux_wildcard()); |
| execute(TC_crcx_osmux_fixed()); |
| execute(TC_crcx_osmux_fixed_twice()); |
| execute(TC_one_crcx_receive_only_osmux()); |
| execute(TC_one_crcx_loopback_osmux()); |
| execute(TC_two_crcx_and_rtp_osmux()); |
| execute(TC_two_crcx_and_rtp_osmux_bidir()); |
| execute(TC_two_crcx_mdcx_and_rtp_osmux_wildcard()); |
| execute(TC_two_crcx_mdcx_and_rtp_osmux_fixed()); |
| |
| execute(TC_crcx_dlcx_30ep()); |
| |
| execute(TC_rtpem_selftest()); |
| |
| execute(TC_one_crcx_receive_only_rtp()); |
| execute(TC_one_crcx_loopback_rtp()); |
| execute(TC_one_crcx_loopback_rtp_ipv6()); |
| execute(TC_two_crcx_and_rtp()); |
| execute(TC_two_crcx_and_rtp_bidir()); |
| execute(TC_two_crcx_diff_pt_and_rtp()); |
| execute(TC_two_crcx_diff_pt_and_rtp_bidir()); |
| execute(TC_two_crcx_mdcx_and_rtp()); |
| execute(TC_two_crcx_and_unsolicited_rtp()); |
| execute(TC_two_crcx_and_one_mdcx_rtp_ho()); |
| execute(TC_ts101318_rfc5993_rtp_conversion()); |
| execute(TC_amr_oa_bwe_rtp_conversion()); |
| execute(TC_amr_oa_oa_rtp_conversion()); |
| execute(TC_amr_bwe_bwe_rtp_conversion()); |
| |
| execute(TC_conn_timeout()); |
| |
| execute(TC_e1_crcx_and_dlcx_ep()); |
| execute(TC_e1_crcx_with_overlap()); |
| execute(TC_e1_crcx_loopback()); |
| |
| execute(TC_crcx_mdcx_ip4()); |
| execute(TC_crcx_mdcx_ip6()); |
| execute(TC_two_crcx_mdcx_and_rtp_ipv4_ipv6()); |
| execute(TC_two_crcx_mdcx_and_rtp_ipv6()); |
| execute(TC_two_crcx_and_rtp_osmux_bidir_ipv6()); |
| execute(TC_two_crcx_and_rtp_osmux_bidir_ipv4_ipv6()); |
| execute(TC_two_crcx_and_rtp_osmux_bidir_ipv6_ipv4()); |
| execute(TC_two_crcx_mdcx_and_rtp_osmux_ipv6()); |
| execute(TC_two_crcx_mdcx_and_rtp_osmux_ipv4_ipv6()); |
| execute(TC_two_crcx_mdcx_and_rtp_osmux_ipv6_ipv4()); |
| |
| /* Note: This testcase will trigger an OSMO_ASSERT() bug in |
| * older versions of osmo-mgw. This eventually leads into |
| * a failure of all subsequent testcases, so it is important |
| * not to add new testcaes after this one. */ |
| execute(TC_one_crcx_loopback_rtp_implicit()); |
| } |
| } |