forked from Mirrors/freeswitch
[core] RTP: a media timeout fix + add pcap based-unit tests.
This commit is contained in:
Dragos Oancea
Andrey Volk
parent
75e858407f
commit
beffab1d68
16
configure.ac
16
configure.ac
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@ -1970,6 +1970,22 @@ else
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AC_MSG_WARN([python3 support disabled, building mod_python3 will fail!])
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fi
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# pcap lib for unit-testing
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AC_MSG_CHECKING(libpcap)
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AC_CHECK_PROG(HAVE_PCAP_CONFIG,pcap-config,[true],[false])
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if test x"$HAVE_PCAP_CONFIG" = x"true"; then
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AC_MSG_RESULT(yes)
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PCAP_CONFIG=pcap-config
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PCAP_LIBS="`$PCAP_CONFIG --libs`"
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PCAP_CFLAGS="`$PCAP_CONFIG --cflags`"
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AM_CONDITIONAL([HAVE_PCAP], [true])
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else
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AC_MSG_RESULT(no)
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AM_CONDITIONAL([HAVE_PCAP], [false])
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fi
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AC_SUBST([PCAP_CFLAGS])
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AC_SUBST([PCAP_LIBS])
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#
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# SNMP checks for mod_snmp
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#
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@ -2882,8 +2882,18 @@ static void check_media_timeout_params(switch_core_session_t *session, switch_rt
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if (switch_rtp_ready(engine->rtp_session) && engine->media_timeout) {
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switch_rtp_set_media_timeout(engine->rtp_session, engine->media_timeout);
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if (engine->type == SWITCH_MEDIA_TYPE_AUDIO) {
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/* the values are in milliseconds, not in seconds as the deprecated rtp_timeout_sec */
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engine->max_missed_packets = (engine->read_impl.samples_per_second * engine->media_timeout / 1000) / engine->read_impl.samples_per_packet;
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switch_rtp_set_max_missed_packets(engine->rtp_session, engine->max_missed_packets);
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if (!engine->media_hold_timeout) {
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engine->media_hold_timeout = engine->media_timeout * 10;
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}
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engine->max_missed_hold_packets = (engine->read_impl.samples_per_second * engine->media_hold_timeout / 1000) / engine->read_impl.samples_per_packet;
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}
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}
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}
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SWITCH_DECLARE(switch_status_t) switch_core_media_read_frame(switch_core_session_t *session, switch_frame_t **frame,
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@ -7350,7 +7350,7 @@ static void check_timeout(switch_rtp_t *rtp_session)
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}
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switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(rtp_session->session), SWITCH_LOG_DEBUG10,
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"%s MEDIA TIMEOUT %s %d/%d", switch_core_session_get_name(rtp_session->session), rtp_type(rtp_session),
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"%s MEDIA TIMEOUT %s %d/%d\n", switch_core_session_get_name(rtp_session->session), rtp_type(rtp_session),
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elapsed, rtp_session->media_timeout);
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if (elapsed > rtp_session->media_timeout) {
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@ -5,6 +5,12 @@ noinst_PROGRAMS = switch_event switch_hash switch_ivr_originate switch_utils swi
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noinst_PROGRAMS += switch_core_video switch_core_db switch_vad switch_packetizer switch_core_session test_sofia switch_ivr_async switch_core_asr switch_log
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noinst_PROGRAMS+= switch_hold switch_sip
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if HAVE_PCAP
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noinst_PROGRAMS += switch_rtp_pcap
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AM_LDFLAGS += $(PCAP_LIBS)
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endif
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AM_LDFLAGS += -avoid-version -no-undefined $(SWITCH_AM_LDFLAGS) $(openssl_LIBS)
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AM_LDFLAGS += $(FREESWITCH_LIBS) $(switch_builddir)/libfreeswitch.la $(CORE_LIBS) $(APR_LIBS)
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@ -0,0 +1,73 @@
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<?xml version="1.0"?>
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<document type="freeswitch/xml">
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<X-PRE-PROCESS cmd="exec-set" data="test=echo 1234"/>
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<X-PRE-PROCESS cmd="set" data="default_password=$${test}"/>
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<X-PRE-PROCESS cmd="set" data="core_video_blank_image=$${conf_dir}/freeswitch-logo.png"/>
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<section name="configuration" description="Various Configuration">
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<configuration name="modules.conf" description="Modules">
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<modules>
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<load module="mod_console"/>
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<load module="mod_loopback"/>
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<load module="mod_commands"/>
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<load module="mod_sndfile"/>
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<load module="mod_dptools"/>
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<load module="mod_tone_stream"/>
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<load module="mod_test"/>
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</modules>
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</configuration>
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<configuration name="console.conf" description="Console Logger">
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<mappings>
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<map name="all" value="console,debug,info,notice,warning,err,crit,alert"/>
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</mappings>
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<settings>
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<param name="colorize" value="true"/>
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<param name="loglevel" value="debug"/>
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</settings>
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</configuration>
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<configuration name="switch.conf" description="Core Configuration">
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<default-ptimes>
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</default-ptimes>
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<settings>
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<param name="colorize-console" value="false"/>
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<param name="dialplan-timestamps" value="false"/>
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<param name="loglevel" value="debug"/>
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<param name="rtp-start-port" value="1234"/>
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<param name="rtp-end-port" value="1234"/>
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<param name="rtp-enable-zrtp" value="false"/>
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</settings>
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</configuration>
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<configuration name="timezones.conf" description="Timezones">
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<timezones>
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<zone name="GMT" value="GMT0" />
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</timezones>
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</configuration>
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</section>
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<section name="dialplan" description="Regex/XML Dialplan">
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<context name="test">
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<extension>
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<condition field="${sip_h_X-COUNTDOWN}" expression="^0$" break="on-true">
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<action application="answer"/>
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<action application="playback" data="tone_stream://%(251,0,1004);loops=-1"/>
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</condition>
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<condition field="${sip_h_X-COUNTDOWN}" expression="^(\d+)$" break="never">
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<action application="export" data="_nolocal_sip_h_X-COUNTDOWN=${expr($1 - 1)}"/>
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<anti-action application="export" data="_nolocal_sip_h_X-COUNTDOWN=10"/>
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</condition>
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<condition>
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<action application="bridge" data="sofia/test/1234@127.0.0.1"/>
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</condition>
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</extension>
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</context>
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</section>
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</document>
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Binary file not shown.
Binary file not shown.
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@ -0,0 +1,580 @@
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/*
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* FreeSWITCH Modular Media Switching Software Library / Soft-Switch Application
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* Copyright (C) 2005-2021, Anthony Minessale II <anthm@freeswitch.org>
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*
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* Version: MPL 1.1
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*
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Original Code is FreeSWITCH Modular Media Switching Software Library / Soft-Switch Application
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*
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* The Initial Developer of the Original Code is
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* Anthony Minessale II <anthm@freeswitch.org>
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* Portions created by the Initial Developer are Copyright (C)
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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* Dragos Oancea <dragos@signalwire.com>
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*
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* switch_rtp_pcap.c -- tests RTP stack using PCAP.
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*/
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#include <switch.h>
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#include <test/switch_test.h>
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/* before adding a pcap file: tcprewrite --dstipmap=X.X.X.X/32:192.168.0.1/32 --srcipmap=X.X.X.X/32:192.168.0.2/32 -i in.pcap -o out.pcap */
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#include <pcap.h>
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#ifndef MSG_CONFIRM
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#define MSG_CONFIRM 0
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#endif
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static const char *rx_host = "127.0.0.1";
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static const char *tx_host = "127.0.0.1";
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static switch_rtp_t *rtp_session = NULL;
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const char *err = NULL;
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switch_rtp_packet_t rtp_packet;
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switch_frame_flag_t *frame_flags;
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switch_io_flag_t io_flags;
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switch_payload_t read_pt;
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static switch_port_t audio_rx_port = 1234;
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static int got_media_timeout = 0;
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//#define USE_RTCP_PCAP
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#define NTP_TIME_OFFSET 2208988800UL
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/* https://www.tcpdump.org/pcap.html */
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/* IP header */
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struct sniff_ip {
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u_char ip_vhl; /* version << 4 | header length >> 2 */
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u_char ip_tos; /* type of service */
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u_short ip_len; /* total length */
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u_short ip_id; /* identification */
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u_short ip_off; /* fragment offset field */
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#define IP_RF 0x8000 /* reserved fragment flag */
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#define IP_DF 0x4000 /* dont fragment flag */
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#define IP_MF 0x2000 /* more fragments flag */
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#define IP_OFFMASK 0x1fff /* mask for fragmenting bits */
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u_char ip_ttl; /* time to live */
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u_char ip_p; /* protocol */
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u_short ip_sum; /* checksum */
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struct in_addr ip_src,ip_dst; /* source and dest address */
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};
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#define IP_HL(ip) (((ip)->ip_vhl) & 0x0f)
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/* switch_rtp.c - calc_local_lsr_now() */
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static inline uint32_t test_calc_local_lsr_now(switch_time_t now, uint32_t past /*milliseconds*/)
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{
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// switch_time_t now;
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uint32_t ntp_sec, ntp_usec, lsr_now, sec;
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// now = switch_micro_time_now() - (past * 1000);
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now = now - (past * 1000);
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sec = (uint32_t)(now/1000000); /* convert to seconds */
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ntp_sec = sec+NTP_TIME_OFFSET; /* convert to NTP seconds */
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ntp_usec = (uint32_t)(now - ((switch_time_t) sec*1000000)); /* remove seconds to keep only the microseconds */
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lsr_now = (uint32_t)(ntp_usec*0.065536) | (ntp_sec&0x0000ffff)<<16; /* 0.065536 is used for convertion from useconds to fraction of 65536 (x65536/1000000) */
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return lsr_now;
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}
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#if 0
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static void test_prepare_rtcp(void *rtcp_packet, float est_last, uint32_t rtt, uint8_t loss)
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{
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/* taken from switch_rtp.c, rtcp_generate_sender_info() */
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/* === */
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char *rtcp_sr_trigger = rtcp_packet;
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switch_time_t now;
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uint32_t sec, ntp_sec, ntp_usec;
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uint32_t ntp_msw;
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uint32_t ntp_lsw;
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uint32_t *ptr_msw;
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uint32_t *ptr_lsw;
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uint32_t lsr;
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uint32_t *ptr_lsr;
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uint32_t dlsr = 0;
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uint32_t *ptr_dlsr;
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uint8_t *ptr_loss;
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now = switch_micro_time_now();
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sec = (uint32_t)(now/1000000); /* convert to seconds */
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ntp_sec = sec+NTP_TIME_OFFSET; /* convert to NTP seconds */
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ntp_msw = htonl(ntp_sec); /* store result in "most significant word" */
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ntp_usec = (uint32_t)(now - (sec*1000000)); /* remove seconds to keep only the microseconds */
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ntp_lsw = htonl((u_long)(ntp_usec*(double)(((uint64_t)1)<<32)*1.0e-6));
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/* === */
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/*patch the RTCP payload to set the RTT we want */
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ptr_msw = (uint32_t *)rtcp_sr_trigger + 2;
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*ptr_msw = ntp_msw;
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ptr_lsw = (uint32_t *)rtcp_sr_trigger + 3;
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*ptr_lsw = ntp_lsw;
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lsr = test_calc_local_lsr_now(now, est_last * 1000 + rtt /*ms*/);
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ptr_lsr = (uint32_t *)rtcp_sr_trigger + 11;
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*ptr_lsr = htonl(lsr);
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ptr_dlsr = (uint32_t *)rtcp_sr_trigger + 12;
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*ptr_dlsr = htonl(dlsr);
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ptr_loss = (uint8_t *)rtcp_sr_trigger + 32;
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*ptr_loss = loss;
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}
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#endif
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static switch_status_t rtp_test_start_call(switch_core_session_t **psession)
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{
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char *r_sdp;
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uint8_t match = 0, p = 0;
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switch_core_session_t *session;
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switch_channel_t *channel = NULL;
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switch_status_t status;
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switch_media_handle_t *media_handle;
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switch_core_media_params_t *mparams;
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switch_stream_handle_t stream = { 0 };
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switch_call_cause_t cause;
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/*tone stream extension*/
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status = switch_ivr_originate(NULL, psession, &cause, "null/+1234", 2, NULL, NULL, NULL, NULL, NULL, SOF_NONE, NULL, NULL);
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session = *psession;
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if (!(session)) {
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switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session), SWITCH_LOG_ERROR, "no session\n");
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return SWITCH_STATUS_FALSE;
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}
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if (status != SWITCH_STATUS_SUCCESS) {
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switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session), SWITCH_LOG_ERROR, "switch_ivr_originate() failed\n");
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return SWITCH_STATUS_FALSE;
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}
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channel = switch_core_session_get_channel(session);
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if (!channel) {
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switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session), SWITCH_LOG_ERROR, "switch_core_session_get_channel() failed\n");
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return SWITCH_STATUS_FALSE;
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}
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mparams = switch_core_session_alloc(session, sizeof(switch_core_media_params_t));
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mparams->inbound_codec_string = switch_core_session_strdup(session, "PCMU");
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mparams->outbound_codec_string = switch_core_session_strdup(session, "PCMU");
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mparams->rtpip = switch_core_session_strdup(session, (char *)rx_host);
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status = switch_media_handle_create(&media_handle, session, mparams);
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if (status != SWITCH_STATUS_SUCCESS) {
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switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session), SWITCH_LOG_ERROR, "switch_media_handle_create() failed\n");
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return SWITCH_STATUS_FALSE;
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}
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switch_channel_set_variable(channel, "absolute_codec_string", "PCMU");
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switch_channel_set_variable(channel, "send_silence_when_idle", "-1");
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switch_channel_set_variable(channel, "rtp_timer_name", "soft");
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switch_channel_set_variable(channel, "media_timeout", "1000");
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switch_channel_set_variable(channel, SWITCH_LOCAL_MEDIA_IP_VARIABLE, rx_host);
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switch_channel_set_variable_printf(channel, SWITCH_LOCAL_MEDIA_PORT_VARIABLE, "%d", audio_rx_port);
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r_sdp = switch_core_session_sprintf(session,
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"v=0\n"
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"o=FreeSWITCH 1632033305 1632033306 IN IP4 %s\n"
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"s=-\n"
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"c=IN IP4 %s\n"
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"t=0 0\n"
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"m=audio 11114 RTP/AVP 0 101\n"
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"a=rtpmap:0 PCMU/8000\n"
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"a=rtpmap:101 telephone-event/8000\n"
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"a=rtcp-mux\n",
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tx_host, tx_host);
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status = switch_core_media_prepare_codecs(session, SWITCH_FALSE);
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if (status != SWITCH_STATUS_SUCCESS) {
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switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session), SWITCH_LOG_ERROR, "switch_core_media_prepare_codecs() failed\n");
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return SWITCH_STATUS_FALSE;
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}
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match = switch_core_media_negotiate_sdp(session, r_sdp, &p, SDP_TYPE_REQUEST);
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if (match != 1) {
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switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session), SWITCH_LOG_ERROR, "switch_core_media_negotiate_sdp() failed\n");
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return SWITCH_STATUS_FALSE;
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}
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status = switch_core_media_choose_ports(session, SWITCH_TRUE, SWITCH_FALSE);
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if (status != SWITCH_STATUS_SUCCESS) {
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switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session), SWITCH_LOG_ERROR, "switch_core_media_choose_ports() failed\n");
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return SWITCH_STATUS_FALSE;
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}
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status = switch_core_media_activate_rtp(session);
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if (status != SWITCH_STATUS_SUCCESS) {
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switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session), SWITCH_LOG_ERROR, "switch_core_media_activate_rtp() failed\n");
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return SWITCH_STATUS_FALSE;
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}
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switch_core_media_set_rtp_flag(session, SWITCH_MEDIA_TYPE_AUDIO, SWITCH_RTP_FLAG_DEBUG_RTP_READ);
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switch_core_media_set_rtp_flag(session, SWITCH_MEDIA_TYPE_AUDIO, SWITCH_RTP_FLAG_DEBUG_RTP_WRITE);
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SWITCH_STANDARD_STREAM(stream);
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switch_api_execute("fsctl", "debug_level 10", session, &stream);
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switch_safe_free(stream.data);
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return SWITCH_STATUS_SUCCESS;
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}
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static switch_status_t rtp_test_end_call(switch_core_session_t **psession)
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{
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switch_channel_t *channel = NULL;
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switch_core_session_t *session = *psession;
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channel = switch_core_session_get_channel(session);
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if (!channel) {
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return SWITCH_STATUS_FALSE;
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}
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switch_channel_hangup(channel, SWITCH_CAUSE_NORMAL_CLEARING);
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switch_media_handle_destroy(session);
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switch_core_session_rwunlock(session);
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return SWITCH_STATUS_SUCCESS;
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}
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static void rtp_test_init_frame(switch_frame_t **pwrite_frame, switch_core_session_t **psession)
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{
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const unsigned char hdr_packet[]="\x80\x00\xcd\x15\xfd\x86\x00\x00\x61\x5a\xe1\x37";
|
||||
|
||||
switch_frame_alloc(pwrite_frame, SWITCH_RECOMMENDED_BUFFER_SIZE);
|
||||
(*pwrite_frame)->codec = switch_core_session_get_write_codec(*psession);
|
||||
|
||||
(*pwrite_frame)->datalen = SWITCH_RTP_HEADER_LEN; /*init with dummy RTP header*/
|
||||
memcpy((*pwrite_frame)->data, &hdr_packet, SWITCH_RTP_HEADER_LEN);
|
||||
}
|
||||
|
||||
static void show_event(switch_event_t *event) {
|
||||
char *str;
|
||||
/*print the event*/
|
||||
switch_event_serialize_json(event, &str);
|
||||
if (str) {
|
||||
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_INFO, "%s\n", str);
|
||||
switch_safe_free(str);
|
||||
}
|
||||
}
|
||||
|
||||
static void event_handler(switch_event_t *event)
|
||||
{
|
||||
const char *new_ev = switch_event_get_header(event, "Event-Name");
|
||||
|
||||
if (new_ev && !strcmp(new_ev, "CHANNEL_HANGUP")) {
|
||||
if (!strcmp(switch_event_get_header(event, "Hangup-Cause"), "MEDIA_TIMEOUT")) {
|
||||
got_media_timeout = 1;
|
||||
}
|
||||
}
|
||||
|
||||
show_event(event);
|
||||
}
|
||||
|
||||
FST_CORE_DB_BEGIN("./conf_rtp")
|
||||
{
|
||||
FST_SUITE_BEGIN(switch_rtp_pcap)
|
||||
{
|
||||
|
||||
FST_SETUP_BEGIN()
|
||||
{
|
||||
fst_requires_module("mod_loopback");
|
||||
}
|
||||
FST_SETUP_END()
|
||||
|
||||
FST_TEARDOWN_BEGIN()
|
||||
{
|
||||
}
|
||||
FST_TEARDOWN_END()
|
||||
#if 0
|
||||
FST_TEST_BEGIN(test_rtp_stall_with_rtcp_muxed_with_timer)
|
||||
{
|
||||
switch_core_session_t *session = NULL;
|
||||
switch_status_t status;
|
||||
uint32_t plen = SWITCH_RTP_HEADER_LEN;
|
||||
char rpacket[SWITCH_RECOMMENDED_BUFFER_SIZE];
|
||||
switch_payload_t pt = { 0 };
|
||||
switch_frame_flag_t frameflags = { 0 };
|
||||
int x = 0;
|
||||
switch_frame_t *write_frame;
|
||||
pcap_t *pcap;
|
||||
const unsigned char *packet;
|
||||
char errbuf[PCAP_ERRBUF_SIZE];
|
||||
struct pcap_pkthdr pcap_header;
|
||||
char rtcp_sr_trigger[] = "\x81\xc8\x00\x0c\x78\x9d\xac\x45\xe2\x67\xa5\x74\x30\x60\x56\x81\x00\x19"
|
||||
"\xaa\x00\x00\x00\x06\xd7\x00\x01\x2c\x03\x5e\xbd\x2f\x0b\x00"
|
||||
"\x00\x00\x00\x00\x00\x57\xc4\x00\x00\x00\x39\xa5\x73\xfe\x90\x00\x00\x2c\x87"
|
||||
"\x81\xca\x00\x0c\x78\x9d\xac\x45\x01\x18\x73\x69\x70\x3a\x64\x72\x40\x31\x39\x32\x2e"
|
||||
"\x31\x36\x38\x2e\x30\x2e\x31\x33\x3a\x37\x30\x36\x30\x06\x0e\x4c\x69\x6e\x70\x68\x6f"
|
||||
"\x6e\x65\x2d\x33\x2e\x36\x2e\x31\x00\x00";
|
||||
const struct sniff_ip *ip; /* The IP header */
|
||||
int size_ip, jump_over;
|
||||
struct timeval prev_ts = { 0 };
|
||||
switch_time_t time_nowpacket = 0, time_prevpacket = 0;
|
||||
switch_socket_t *sock_rtp = NULL;
|
||||
switch_sockaddr_t *sock_addr = NULL;
|
||||
const char *str_err;
|
||||
switch_size_t rough_add = 0;
|
||||
|
||||
status = rtp_test_start_call(&session);
|
||||
fst_requires(status == SWITCH_STATUS_SUCCESS);
|
||||
fst_requires(session);
|
||||
|
||||
pcap = pcap_open_offline_with_tstamp_precision("pcap/milliwatt.long.pcmu.rtp.pcap", PCAP_TSTAMP_PRECISION_MICRO, errbuf);
|
||||
fst_requires(pcap);
|
||||
|
||||
switch_core_media_set_rtp_flag(session, SWITCH_MEDIA_TYPE_AUDIO, SWITCH_RTP_FLAG_ENABLE_RTCP);
|
||||
|
||||
rtp_session = switch_core_media_get_rtp_session(session, SWITCH_MEDIA_TYPE_AUDIO);
|
||||
|
||||
rtp_test_init_frame(&write_frame, &session);
|
||||
|
||||
switch_rtp_clear_flag(rtp_session, SWITCH_RTP_FLAG_PAUSE);
|
||||
|
||||
if (switch_socket_create(&sock_rtp, AF_INET, SOCK_DGRAM, 0, switch_core_session_get_pool(session)) != SWITCH_STATUS_SUCCESS) {
|
||||
fst_requires(0); /*exit*/
|
||||
}
|
||||
|
||||
switch_sockaddr_new(&sock_addr, rx_host, audio_rx_port, switch_core_session_get_pool(session));
|
||||
fst_requires(sock_addr);
|
||||
|
||||
switch_rtp_set_remote_address(rtp_session, tx_host, switch_sockaddr_get_port(sock_addr), 0, SWITCH_FALSE, &str_err);
|
||||
switch_rtp_reset(rtp_session);
|
||||
|
||||
while ((packet = pcap_next(pcap, &pcap_header))) {
|
||||
/*assume only UDP/RTP packets in the pcap*/
|
||||
uint32_t rcvd_datalen = pcap_header.caplen;
|
||||
size_t len;
|
||||
switch_size_t tmp_len;
|
||||
|
||||
int diff_us = (pcap_header.ts.tv_sec-prev_ts.tv_sec)*1000000+(pcap_header.ts.tv_usec-prev_ts.tv_usec);
|
||||
|
||||
if (diff_us > 0) {
|
||||
switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session), SWITCH_LOG_DEBUG, "SENT pkt diff: %d us\n", diff_us);
|
||||
usleep(diff_us);
|
||||
}
|
||||
|
||||
prev_ts = pcap_header.ts;
|
||||
|
||||
len = pcap_header.caplen;
|
||||
|
||||
if (len <= 42) {
|
||||
continue;
|
||||
}
|
||||
|
||||
ip = (struct sniff_ip*)(packet + 14);
|
||||
size_ip = IP_HL(ip) * 4;
|
||||
|
||||
jump_over = 14 /*SIZE_ETHERNET*/ + size_ip /*IP HDR size*/ + 8 /* UDP HDR SIZE */; /* jump 42 bytes over network layers/headers */
|
||||
packet += jump_over;
|
||||
x++;
|
||||
|
||||
if (!(x%10)) { /* send a RTCP SR packet every 10th RTP packet */
|
||||
int add_rtt = 200;
|
||||
test_prepare_rtcp(&rtcp_sr_trigger, 2, add_rtt, 0xa0);
|
||||
tmp_len = sizeof(rtcp_sr_trigger);
|
||||
/*RTCP muxed*/
|
||||
if (switch_socket_sendto(sock_rtp, sock_addr, MSG_CONFIRM, (const char*)rtcp_sr_trigger, &tmp_len) != SWITCH_STATUS_SUCCESS) {
|
||||
fst_requires(0);
|
||||
}
|
||||
|
||||
plen = sizeof(rtcp_sr_trigger);
|
||||
switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session), SWITCH_LOG_INFO, "Sent RTCP. Packet size = [%u]\n", plen);
|
||||
status = switch_rtp_read(rtp_session, (void *)rpacket, &rcvd_datalen, &pt, &frameflags, io_flags);
|
||||
if (pt == SWITCH_RTP_CNG_PAYLOAD /*timeout*/) {
|
||||
switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session), SWITCH_LOG_DEBUG, "read CNG/RTCP, skip\n");
|
||||
while (1) {
|
||||
status = switch_rtp_read(rtp_session, (void *)&rpacket, &rcvd_datalen, &pt, &frameflags, io_flags);
|
||||
if (frameflags || SFF_RTCP) break;
|
||||
}
|
||||
}
|
||||
fst_requires(status == SWITCH_STATUS_SUCCESS);
|
||||
}
|
||||
|
||||
if (packet[0] == 0x80 && packet[1] == 0 /*PCMU*/) {
|
||||
int16_t *seq = (int16_t *)packet + 1;
|
||||
plen = len - jump_over;
|
||||
tmp_len = plen;
|
||||
switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session), SWITCH_LOG_DEBUG, "Sent RTP. Packet size = [%u] seq = [%d]\n", plen, htons(*seq));
|
||||
if (switch_socket_sendto(sock_rtp, sock_addr, MSG_CONFIRM, (const char*)packet, &tmp_len) != SWITCH_STATUS_SUCCESS) {
|
||||
fst_requires(0);
|
||||
}
|
||||
}
|
||||
|
||||
status = switch_rtp_read(rtp_session, (void *)&rpacket, &rcvd_datalen, &pt, &frameflags, io_flags);
|
||||
if (pt == SWITCH_RTP_CNG_PAYLOAD /*timeout*/) {
|
||||
switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session), SWITCH_LOG_DEBUG, "read CNG, skip\n");
|
||||
continue;
|
||||
}
|
||||
time_prevpacket = time_nowpacket;
|
||||
time_nowpacket = switch_time_now();
|
||||
if (time_prevpacket) { // skip init.
|
||||
switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session), SWITCH_LOG_DEBUG, "RECV pkt diff: %ld us\n", time_nowpacket - time_prevpacket);
|
||||
|
||||
fst_requires((time_nowpacket - time_prevpacket) < 80000);
|
||||
rough_add += time_nowpacket - time_prevpacket; /* just add to var for visual comparison */
|
||||
}
|
||||
fst_requires(status == SWITCH_STATUS_SUCCESS);
|
||||
if (pt == SWITCH_RTP_CNG_PAYLOAD /*timeout*/) continue;
|
||||
fst_requires(rcvd_datalen == plen - SWITCH_RTP_HEADER_LEN);
|
||||
}
|
||||
|
||||
switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session), SWITCH_LOG_DEBUG, "RECV total delay: %lu\n", rough_add); /*around 17092408 us*/
|
||||
switch_yield(1000 * 1000);
|
||||
|
||||
if (write_frame) switch_frame_free(&write_frame);
|
||||
|
||||
switch_rtp_destroy(&rtp_session);
|
||||
|
||||
rtp_test_end_call(&session);
|
||||
|
||||
switch_socket_close(sock_rtp);
|
||||
|
||||
pcap_close(pcap);
|
||||
|
||||
switch_yield(1000 * 1000);
|
||||
}
|
||||
FST_TEST_END()
|
||||
#endif
|
||||
|
||||
FST_TEST_BEGIN(test_rtp_media_timeout)
|
||||
{
|
||||
switch_core_session_t *session = NULL;
|
||||
switch_status_t status;
|
||||
uint32_t plen = SWITCH_RTP_HEADER_LEN;
|
||||
char rpacket[SWITCH_RECOMMENDED_BUFFER_SIZE];
|
||||
switch_payload_t pt = { 0 };
|
||||
switch_frame_flag_t frameflags = { 0 };
|
||||
int x = 0;
|
||||
switch_frame_t *write_frame;
|
||||
pcap_t *pcap;
|
||||
const unsigned char *packet;
|
||||
char errbuf[PCAP_ERRBUF_SIZE];
|
||||
struct pcap_pkthdr pcap_header;
|
||||
const struct sniff_ip *ip; /* The IP header */
|
||||
int size_ip, jump_over;
|
||||
struct timeval prev_ts = { 0 };
|
||||
switch_socket_t *sock_rtp = NULL;
|
||||
switch_sockaddr_t *sock_addr = NULL;
|
||||
const char *str_err;
|
||||
|
||||
status = rtp_test_start_call(&session);
|
||||
fst_requires(status == SWITCH_STATUS_SUCCESS);
|
||||
fst_requires(session);
|
||||
|
||||
switch_event_bind("", SWITCH_EVENT_ALL, SWITCH_EVENT_SUBCLASS_ANY, event_handler, NULL);
|
||||
|
||||
pcap = pcap_open_offline_with_tstamp_precision("pcap/milliwatt.pcmu.rtp.pcap", PCAP_TSTAMP_PRECISION_MICRO, errbuf);
|
||||
fst_requires(pcap);
|
||||
|
||||
switch_core_media_set_rtp_flag(session, SWITCH_MEDIA_TYPE_AUDIO, SWITCH_RTP_FLAG_ENABLE_RTCP);
|
||||
|
||||
rtp_session = switch_core_media_get_rtp_session(session, SWITCH_MEDIA_TYPE_AUDIO);
|
||||
fst_requires(rtp_session);
|
||||
|
||||
rtp_test_init_frame(&write_frame, &session);
|
||||
|
||||
switch_rtp_clear_flag(rtp_session, SWITCH_RTP_FLAG_PAUSE);
|
||||
|
||||
if (switch_socket_create(&sock_rtp, AF_INET, SOCK_DGRAM, 0, switch_core_session_get_pool(session)) != SWITCH_STATUS_SUCCESS) {
|
||||
fst_requires(0); /*exit*/
|
||||
}
|
||||
|
||||
switch_sockaddr_new(&sock_addr, rx_host, audio_rx_port, switch_core_session_get_pool(session));
|
||||
fst_requires(sock_addr);
|
||||
|
||||
switch_rtp_set_remote_address(rtp_session, tx_host, switch_sockaddr_get_port(sock_addr), 0, SWITCH_FALSE, &str_err);
|
||||
switch_rtp_reset(rtp_session);
|
||||
|
||||
/* send 3 packets then wait and expect RTP timeout */
|
||||
while ((packet = pcap_next(pcap, &pcap_header)) && x < 3) {
|
||||
/*assume only UDP/RTP packets in the pcap*/
|
||||
uint32_t rcvd_datalen = pcap_header.caplen;
|
||||
size_t len;
|
||||
switch_size_t tmp_len;
|
||||
|
||||
int diff_us = (pcap_header.ts.tv_sec-prev_ts.tv_sec)*1000000+(pcap_header.ts.tv_usec-prev_ts.tv_usec);
|
||||
if (diff_us > 0) {
|
||||
switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session), SWITCH_LOG_DEBUG, "SENT pkt diff: %d us\n", diff_us);
|
||||
usleep(diff_us);
|
||||
}
|
||||
|
||||
x++;
|
||||
|
||||
prev_ts = pcap_header.ts;
|
||||
|
||||
len = pcap_header.caplen;
|
||||
|
||||
if (len <= 42) {
|
||||
continue;
|
||||
}
|
||||
|
||||
ip = (struct sniff_ip*)(packet + 14);
|
||||
size_ip = IP_HL(ip) * 4;
|
||||
|
||||
jump_over = 14 /*SIZE_ETHERNET*/ + size_ip /*IP HDR size*/ + 8 /* UDP HDR SIZE */; /* jump 42 bytes over network layers/headers */
|
||||
packet += jump_over;
|
||||
|
||||
if (packet[0] == 0x80 && packet[1] == 0 /*PCMU*/) {
|
||||
int16_t *seq = (int16_t *)packet + 1;
|
||||
plen = len - jump_over;
|
||||
tmp_len = plen;
|
||||
switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session), SWITCH_LOG_DEBUG, "Sent RTP. Packet size = [%u] seq = [%d]\n", plen, htons(*seq));
|
||||
if (switch_socket_sendto(sock_rtp, sock_addr, MSG_CONFIRM, (const char*)packet, &tmp_len) != SWITCH_STATUS_SUCCESS) {
|
||||
fst_requires(0);
|
||||
}
|
||||
}
|
||||
|
||||
status = switch_rtp_read(rtp_session, (void *)&rpacket, &rcvd_datalen, &pt, &frameflags, io_flags);
|
||||
if (pt == SWITCH_RTP_CNG_PAYLOAD /*timeout*/) {
|
||||
switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session), SWITCH_LOG_DEBUG, "read CNG, skip\n");
|
||||
continue;
|
||||
}
|
||||
|
||||
fst_requires(status == SWITCH_STATUS_SUCCESS);
|
||||
fst_requires(rcvd_datalen == plen - SWITCH_RTP_HEADER_LEN);
|
||||
}
|
||||
|
||||
x = 150; /* 3 seconds max */
|
||||
while (x || !got_media_timeout) {
|
||||
uint32_t rcvd_datalen;
|
||||
status = switch_rtp_read(rtp_session, (void *)&rpacket, &rcvd_datalen, &pt, &frameflags, io_flags);
|
||||
if (pt == SWITCH_RTP_CNG_PAYLOAD /*timeout*/) {
|
||||
switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session), SWITCH_LOG_DEBUG, "read CNG, skip\n");
|
||||
}
|
||||
switch_yield(20 * 1000);
|
||||
fst_requires(status == SWITCH_STATUS_SUCCESS);
|
||||
x--;
|
||||
}
|
||||
|
||||
if (write_frame) switch_frame_free(&write_frame);
|
||||
|
||||
switch_rtp_destroy(&rtp_session);
|
||||
|
||||
rtp_test_end_call(&session);
|
||||
|
||||
switch_socket_close(sock_rtp);
|
||||
|
||||
pcap_close(pcap);
|
||||
|
||||
fst_check(got_media_timeout);
|
||||
}
|
||||
FST_TEST_END()
|
||||
}
|
||||
FST_SUITE_END()
|
||||
}
|
||||
FST_CORE_END()
|
||||
|
||||
Loading…
Reference in New Issue