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linphone-iphone/coreapi/quality_reporting.c

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/*
linphone
Copyright (C) 2014 - Belledonne Communications, Grenoble, France
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; either version 2
of the License, or (at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#ifdef HAVE_CONFIG_H
#include "../config.h"
#endif
#include "linphonecore.h"
#include "private.h"
#include "sal/sal.h"
#include <math.h>
/***************************************************************************
* TODO / REMINDER LIST
****************************************************************************/
// example at http://tools.ietf.org/html/rfc6035#section-4.7.3
// only if this is a linphone account
// only if call succeeded
// executed AFTER BYE's "OK" response has been received
// to: collector@sip.linphone.com or not
// expires value?
// one send by stream (different ssrc)
// ex RERL 404 code différent potentiellement avec info manquante
// 3611 pour savoir les valeurs pour les champs non disponibles
// video : que se passe t-il si on arrete / resume la vidéo
// memory leaks + char* strdup
// bouger l'appel de fonction au bon endroit (si c l'autre qui raccroche on envoi pas les données là)
#define PRINT2(x, f) printf(#x ": " #f "\n", x)
#define PRINT(x) PRINT2(x, "%s")
// since printf family functions are LOCALE dependent, float separator may differ
// depending on the user's locale (LC_NUMERIC env var).
static char * float_to_one_decimal_string(float f) {
float rounded_f = floorf(f * 10 + .5f) / 10;
int floor_part = (int) rounded_f;
int one_decimal_part = floorf (10 * (rounded_f - floor_part) + .5f);
return ms_strdup_printf(_("%d.%d"), floor_part, one_decimal_part);
}
static void append_to_buffer_valist(char **buff, size_t *buff_size, size_t *offset, const char *fmt, va_list args) {
belle_sip_error_code ret;
size_t prevoffset = *offset;
#ifndef WIN32
va_list cap;/*copy of our argument list: a va_list cannot be re-used (SIGSEGV on linux 64 bits)*/
va_copy(cap,args);
ret = belle_sip_snprintf_valist(*buff, *buff_size, offset, fmt, cap);
va_end(cap);
#else
ret = belle_sip_snprintf_valist(*buff, *buff_size, offset, fmt, args);
#endif
// if we are out of memory, we add some size to buffer
if (ret == BELLE_SIP_BUFFER_OVERFLOW) {
ms_warning("Buffer was too small to contain the whole report - doubling its size from %lu to %lu", *buff_size, 2 * *buff_size);
*buff_size += 2048;
*buff = (char *) ms_realloc(*buff, *buff_size);
*offset = prevoffset;
// recall myself since we did not write all things into the buffer but
// only a part of it
append_to_buffer_valist(buff, buff_size, offset, fmt, args);
}
}
static void append_to_buffer(char **buff, size_t *buff_size, size_t *offset, const char *fmt, ...) {
va_list args;
va_start(args, fmt);
append_to_buffer_valist(buff, buff_size, offset, fmt, args);
va_end(args);
}
static reporting_session_report_t * update_report(LinphoneCall * call, int stats_type) {
int count;
reporting_session_report_t * report = call->reports[stats_type];
MediaStream stream;
const MSQualityIndicator * qi = NULL;
const PayloadType * payload;
RtpSession * session = NULL;
if (report == NULL) {
ms_warning("No reporting created for this stream");
return NULL;
}
if (stats_type == LINPHONE_CALL_STATS_AUDIO) {
stream = call->audiostream->ms;
payload = call->current_params.audio_codec;
} else {
stream = call->videostream->ms;
payload = call->current_params.video_codec;
}
session = stream.sessions.rtp_session;
qi = media_stream_get_quality_indicator(&stream);
report->info.local_addr.ssrc = rtp_session_get_send_ssrc(session);
report->info.local_addr.port = rtp_session_get_local_port(session);
report->info.remote_addr.ssrc = rtp_session_get_recv_ssrc(session);
// memcpy(report->info.remote_addr.ip, &session->rtp.rem_addr, session->rtp.rem_addrlen);
report->info.call_id = call->log->call_id;
report->info.local_group = ms_strdup_printf(_("linphone-%s"), report->info.call_id);
report->info.remote_group = ms_strdup(report->info.local_group);
for (count = 0; count < call->resultdesc->n_total_streams; ++count) {
if (call->resultdesc->streams[count].type == stats_type) {
report->info.local_addr.ip = ms_strdup(call->resultdesc->streams[count].rtp_addr);
break;
}
}
if (count == call->resultdesc->n_total_streams) {
ms_warning("Could not find the associated stream of type %d", stats_type);
}
if (payload != NULL) {
report->local_metrics.session_description.payload_type = payload->type;
report->local_metrics.session_description.payload_desc = ms_strdup(payload->mime_type);
report->local_metrics.session_description.sample_rate = payload->clock_rate;
report->local_metrics.session_description.fmtp = ms_strdup(payload->recv_fmtp);
} else {
// ...
}
//report->local_metrics.session_description.packet_loss_concealment = ms_quality_indicator_get_local_late_rate(qi);
report->local_metrics.packet_loss.jitter_buffer_discard_rate = ms_quality_indicator_get_local_loss_rate(qi);
report->local_metrics.quality_estimates.rlq = ms_quality_indicator_get_lq_rating(qi);
if (10 <= report->local_metrics.quality_estimates.rlq
&& report->local_metrics.quality_estimates.rlq <= 50) {
report->local_metrics.quality_estimates.moslq = report->local_metrics.quality_estimates.rlq / 10.f;
} else {
report->local_metrics.quality_estimates.moslq = -1;
}
report->local_metrics.quality_estimates.rcq = ms_quality_indicator_get_rating(qi);
if (10 <= report->local_metrics.quality_estimates.rcq
&& report->local_metrics.quality_estimates.rcq <= 50) {
report->local_metrics.quality_estimates.moscq = report->local_metrics.quality_estimates.rcq / 10.f;
} else {
report->local_metrics.quality_estimates.moscq = -1;
}
if (call->dir == LinphoneCallIncoming) {
report->info.remote_id = linphone_address_as_string(call->log->from);
report->info.local_id = linphone_address_as_string(call->log->to);
report->info.orig_id = report->info.remote_id;
} else {
report->info.remote_id = linphone_address_as_string(call->log->to);
report->info.local_id = linphone_address_as_string(call->log->from);
report->info.orig_id = report->info.local_id;
}
report->local_metrics.timestamps.start = call->log->start_date_time;
report->local_metrics.timestamps.stop = call->log->start_date_time + linphone_call_get_duration(call);
return report;
}
#define APPEND_STR_TO_BUFFER(buffer, size, offset, fmt, arg) if (arg != NULL) append_to_buffer(buffer, size, offset, fmt, arg);
static void append_metrics_to_buffer(char ** buffer, size_t * size, size_t * offset, reporting_content_metrics_t rm) {
char * timpstamps_start_str = linphone_timestamp_to_rfc3339_string(rm.timestamps.start);
char * timpstamps_stop_str = linphone_timestamp_to_rfc3339_string(rm.timestamps.stop);
char * network_packet_loss_rate_str = float_to_one_decimal_string(rm.packet_loss.network_packet_loss_rate);
char * jitter_buffer_discard_rate_str = float_to_one_decimal_string(rm.packet_loss.jitter_buffer_discard_rate);
char * gap_loss_density_str = float_to_one_decimal_string(rm.burst_gap_loss.gap_loss_density);
char * moslq_str = float_to_one_decimal_string(rm.quality_estimates.moslq);
char * moscq_str = float_to_one_decimal_string(rm.quality_estimates.moscq);
append_to_buffer(buffer, size, offset, "Timestamps:START=%s STOP=%s",
timpstamps_start_str, timpstamps_stop_str);
append_to_buffer(buffer, size, offset, "\r\nSessionDesc:");
append_to_buffer(buffer, size, offset, " PT=%d", rm.session_description.payload_type);
APPEND_STR_TO_BUFFER(buffer, size, offset, " PD=%s", rm.session_description.payload_desc);
append_to_buffer(buffer, size, offset, " SR=%d", rm.session_description.sample_rate);
append_to_buffer(buffer, size, offset, " FD=%d", rm.session_description.frame_duration);
// append_to_buffer(buffer, size, offset, " FO=%d", rm.session_description.frame_ocets);
// append_to_buffer(buffer, size, offset, " FPP=%d", rm.session_description.frames_per_sec);
// append_to_buffer(buffer, size, offset, " PPS=%d", rm.session_description.packets_per_sec);
APPEND_STR_TO_BUFFER(buffer, size, offset, " FMTP=\"%s\"", rm.session_description.fmtp);
append_to_buffer(buffer, size, offset, " PLC=%d", rm.session_description.packet_loss_concealment);
// APPEND_STR_TO_BUFFER(buffer, size, offset, " SSUP=%s", rm.session_description.silence_suppression_state);
append_to_buffer(buffer, size, offset, "\r\nJitterBuffer:");
append_to_buffer(buffer, size, offset, " JBA=%d", rm.jitter_buffer.adaptive);
append_to_buffer(buffer, size, offset, " JBR=%d", rm.jitter_buffer.rate);
append_to_buffer(buffer, size, offset, " JBN=%d", rm.jitter_buffer.nominal);
append_to_buffer(buffer, size, offset, " JBM=%d", rm.jitter_buffer.max);
append_to_buffer(buffer, size, offset, " JBX=%d", rm.jitter_buffer.abs_max);
append_to_buffer(buffer, size, offset, "\r\nPacketLoss:");
APPEND_STR_TO_BUFFER(buffer, size, offset, " NLR=%s", network_packet_loss_rate_str);
APPEND_STR_TO_BUFFER(buffer, size, offset, " JDR=%s", jitter_buffer_discard_rate_str);
append_to_buffer(buffer, size, offset, "\r\nBurstGapLoss:");
append_to_buffer(buffer, size, offset, " BLD=%d", rm.burst_gap_loss.burst_loss_density);
append_to_buffer(buffer, size, offset, " BD=%d", rm.burst_gap_loss.burst_duration);
APPEND_STR_TO_BUFFER(buffer, size, offset, " GLD=%s", gap_loss_density_str);
append_to_buffer(buffer, size, offset, " GD=%d", rm.burst_gap_loss.gap_Duration);
append_to_buffer(buffer, size, offset, " GMIN=%d", rm.burst_gap_loss.min_gap_threshold);
append_to_buffer(buffer, size, offset, "\r\nDelay:");
append_to_buffer(buffer, size, offset, " RTD=%d", rm.delay.round_trip_delay);
append_to_buffer(buffer, size, offset, " ESD=%d", rm.delay.end_system_delay);
// append_to_buffer(buffer, size, offset, " OWD=%d", rm.delay.one_way_delay);
append_to_buffer(buffer, size, offset, " SOWD=%d", rm.delay.symm_one_way_delay);
append_to_buffer(buffer, size, offset, " IAJ=%d", rm.delay.interarrival_jitter);
append_to_buffer(buffer, size, offset, " MAJ=%d", rm.delay.mean_abs_jitter);
append_to_buffer(buffer, size, offset, "\r\nSignal:");
append_to_buffer(buffer, size, offset, " SL=%d", rm.signal.level);
append_to_buffer(buffer, size, offset, " NL=%d", rm.signal.noise_level);
// append_to_buffer(buffer, size, offset, " RERL=%d", rm.signal.residual_echo_return_loss);
append_to_buffer(buffer, size, offset, "\r\nQualityEst:");
append_to_buffer(buffer, size, offset, " RLQ=%d", rm.quality_estimates.rlq);
// APPEND_STR_TO_BUFFER(buffer, size, offset, " RLQEstAlg=%s", rm.quality_estimates.rlqestalg);
append_to_buffer(buffer, size, offset, " RCQ=%d", rm.quality_estimates.rcq);
// APPEND_STR_TO_BUFFER(buffer, size, offset, " RCQEstAlgo=%s", rm.quality_estimates.rcqestalg);
// append_to_buffer(buffer, size, offset, " EXTRI=%d", rm.quality_estimates.extri);
// APPEND_STR_TO_BUFFER(buffer, size, offset, " ExtRIEstAlg=%s", rm.quality_estimates.extriestalg);
// append_to_buffer(buffer, size, offset, " EXTRO=%d", rm.quality_estimates.extro);
// APPEND_STR_TO_BUFFER(buffer, size, offset, " ExtROEstAlg=%s", rm.quality_estimates.extroutestalg);
APPEND_STR_TO_BUFFER(buffer, size, offset, " MOSLQ=%s", moslq_str);
// APPEND_STR_TO_BUFFER(buffer, size, offset, " MOSLQEstAlgo=%s", rm.quality_estimates.moslqestalg);
APPEND_STR_TO_BUFFER(buffer, size, offset, " MOSCQ=%s", moscq_str);
// APPEND_STR_TO_BUFFER(buffer, size, offset, " MOSCQEstAlgo=%s", rm.quality_estimates.moscqestalg);
// APPEND_STR_TO_BUFFER(buffer, size, offset, " QoEEstAlg=%s", rm.quality_estimates.qoestalg);
append_to_buffer(buffer, size, offset, "\r\n");
free(timpstamps_start_str);
free(timpstamps_stop_str);
free(network_packet_loss_rate_str);
free(jitter_buffer_discard_rate_str);
free(gap_loss_density_str);
free(moslq_str);
free(moscq_str);
}
void linphone_reporting_publish(LinphoneCall* call, int stats_type) {
LinphoneContent content = {0};
LinphoneAddress *addr;
int expires = 3600;
reporting_session_report_t *report = update_report(call, stats_type);
size_t offset = 0;
size_t size = 2048;
char * buffer;
// Somehow the reporting was not created, hence no need to go further
if (report == NULL) {
PRINT("STATS ARE NULL!");
return;
}
buffer = (char *) ms_malloc(size);
content.type = ms_strdup("application");
content.subtype = ms_strdup("vq-rtcpxr");
append_to_buffer(&buffer, &size, &offset, "VQSessionReport: CallTerm\r\n");
append_to_buffer(&buffer, &size, &offset, "CallID: %s\r\n", report->info.call_id);
append_to_buffer(&buffer, &size, &offset, "LocalID: %s\r\n", report->info.local_id);
append_to_buffer(&buffer, &size, &offset, "RemoteID: %s\r\n", report->info.remote_id);
append_to_buffer(&buffer, &size, &offset, "OrigID: %s\r\n", report->info.orig_id);
if (report->info.local_group != NULL) append_to_buffer(&buffer, &size, &offset, "LocalGroup: %s\r\n", report->info.local_group);
if (report->info.remote_group != NULL) append_to_buffer(&buffer, &size, &offset, "RemoteGroup: %s\r\n", report->info.remote_group);
append_to_buffer(&buffer, &size, &offset, "LocalAddr: IP=%s PORT=%d SSRC=%d\r\n", report->info.local_addr.ip, report->info.local_addr.port, report->info.local_addr.ssrc);
if (report->info.local_mac_addr != NULL) append_to_buffer(&buffer, &size, &offset, "LocalMAC: %s\r\n", report->info.local_mac_addr);
append_to_buffer(&buffer, &size, &offset, "RemoteAddr: IP=%s PORT=%d SSRC=%d\r\n", report->info.remote_addr.ip, report->info.remote_addr.port, report->info.remote_addr.ssrc);
if (report->info.remote_mac_addr != NULL) append_to_buffer(&buffer, &size, &offset, "RemoteMAC: %s\r\n", report->info.remote_mac_addr);
append_to_buffer(&buffer, &size, &offset, "LocalMetrics:\r\n");
append_metrics_to_buffer(&buffer, &size, &offset, report->local_metrics);
append_to_buffer(&buffer, &size, &offset, "RemoteMetrics:\r\n");
append_metrics_to_buffer(&buffer, &size, &offset, report->remote_metrics);
if (report->dialog_id != NULL) {
append_to_buffer(&buffer, &size, &offset, "DialogID: %s\r\n", report->dialog_id);
}
content.data = buffer;
// for debug purpose only
PRINT(content.data);
content.size = strlen((char*)content.data);
addr = linphone_address_new("sip:collector@sip.linphone.org");
linphone_core_publish(call->core, addr, "vq-rtcpxr", expires, &content);
linphone_address_destroy(addr);
}
void linphone_reporting_call_stats_updated(LinphoneCall *call, int stats_type) {
reporting_session_report_t * report = call->reports[stats_type];
reporting_content_metrics_t * metrics = NULL;
reporting_addr_t * addr = NULL;
LinphoneCallStats stats = call->stats[stats_type];
mblk_t *block = NULL;
if (stats.updated == LINPHONE_CALL_STATS_RECEIVED_RTCP_UPDATE) {
metrics = &report->remote_metrics;
addr = &report->info.remote_addr;
if (rtcp_is_XR(stats.received_rtcp) == TRUE) {
block = stats.received_rtcp;
}
} else if (stats.updated == LINPHONE_CALL_STATS_SENT_RTCP_UPDATE) {
metrics = &report->local_metrics;
addr = &report->info.local_addr;
if (rtcp_is_XR(stats.sent_rtcp) == TRUE) {
block = stats.sent_rtcp;
}
}
if (block != NULL) {
switch (rtcp_XR_get_block_type(block)) {
case RTCP_XR_STAT_SUMMARY:
// rtcp_XR_stat_summary_get_flags(block);
// rtcp_XR_stat_summary_get_ssrc(block);
// rtcp_XR_stat_summary_get_begin_seq(block);
// rtcp_XR_stat_summary_get_end_seq(block);
// rtcp_XR_stat_summary_get_lost_packets(block);
// rtcp_XR_stat_summary_get_dup_packets(block);
// rtcp_XR_stat_summary_get_min_jitter(block);
metrics->jitter_buffer.max = rtcp_XR_stat_summary_get_max_jitter(block);
// rtcp_XR_stat_summary_get_mean_jitter(block);
// rtcp_XR_stat_summary_get_dev_jitter(block);
// rtcp_XR_stat_summary_get_min_ttl_or_hl(block);
// rtcp_XR_stat_summary_get_max_ttl_or_hl(block);
// rtcp_XR_stat_summary_get_mean_ttl_or_hl(block);
// rtcp_XR_stat_summary_get_dev_ttl_or_hl(block);
break;
case RTCP_XR_VOIP_METRICS:
addr->ssrc = rtcp_XR_voip_metrics_get_ssrc(block);
// rtcp_XR_voip_metrics_get_loss_rate(block);
// rtcp_XR_voip_metrics_get_discard_rate(block);
// rtcp_XR_voip_metrics_get_burst_density(block);
// rtcp_XR_voip_metrics_get_gap_density(block);
// rtcp_XR_voip_metrics_get_burst_duration(block);
// rtcp_XR_voip_metrics_get_gap_duration(block);
// rtcp_XR_voip_metrics_get_round_trip_delay(block);
// rtcp_XR_voip_metrics_get_end_system_delay(block);
// rtcp_XR_voip_metrics_get_signal_level(block);
// rtcp_XR_voip_metrics_get_noise_level(block);
// rtcp_XR_voip_metrics_get_rerl(block);
// rtcp_XR_voip_metrics_get_gmin(block);
metrics->quality_estimates.rlq = rtcp_XR_voip_metrics_get_r_factor(block);
metrics->quality_estimates.moslq = rtcp_XR_voip_metrics_get_mos_lq(block);
metrics->quality_estimates.moscq = rtcp_XR_voip_metrics_get_mos_cq(block);
// rtcp_XR_voip_metrics_get_rx_config(block);
metrics->jitter_buffer.nominal = rtcp_XR_voip_metrics_get_jb_nominal(block);
metrics->jitter_buffer.max = rtcp_XR_voip_metrics_get_jb_maximum(block);
metrics->jitter_buffer.abs_max = rtcp_XR_voip_metrics_get_jb_abs_max(block);
break;
default:
break;
}
}
}
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