+#include "srt_metrics.h"
+#include "shared/metrics.h"
+
+#include <srt/srt.h>
+
+using namespace std;
+
+void SRTMetrics::init(const vector<pair<string, string>> &labels)
+{
+ // Global measurements (counters).
+ global_metrics.add("srt_uptime_seconds", labels, &metric_srt_uptime_seconds);
+ global_metrics.add("srt_send_duration_seconds", labels, &metric_srt_send_duration_seconds);
+ global_metrics.add("srt_sent_bytes", labels, &metric_srt_sent_bytes);
+ global_metrics.add("srt_received_bytes", labels, &metric_srt_received_bytes);
+
+ vector<pair<string, string>> packet_labels = labels;
+ packet_labels.emplace_back("type", "normal");
+ global_metrics.add("srt_sent_packets", packet_labels, &metric_srt_sent_packets_normal);
+ global_metrics.add("srt_received_packets", packet_labels, &metric_srt_received_packets_normal);
+
+ packet_labels.back().second = "lost";
+ global_metrics.add("srt_sent_packets", packet_labels, &metric_srt_sent_packets_lost);
+ global_metrics.add("srt_received_packets", packet_labels, &metric_srt_received_packets_lost);
+
+ packet_labels.back().second = "retransmitted";
+ global_metrics.add("srt_sent_packets", packet_labels, &metric_srt_sent_packets_retransmitted);
+ global_metrics.add("srt_sent_bytes", packet_labels, &metric_srt_sent_bytes_retransmitted);
+
+ packet_labels.back().second = "ack";
+ global_metrics.add("srt_sent_packets", packet_labels, &metric_srt_sent_packets_ack);
+ global_metrics.add("srt_received_packets", packet_labels, &metric_srt_received_packets_ack);
+
+ packet_labels.back().second = "nak";
+ global_metrics.add("srt_sent_packets", packet_labels, &metric_srt_sent_packets_nak);
+ global_metrics.add("srt_received_packets", packet_labels, &metric_srt_received_packets_nak);
+
+ packet_labels.back().second = "dropped";
+ global_metrics.add("srt_sent_packets", packet_labels, &metric_srt_sent_packets_dropped);
+ global_metrics.add("srt_received_packets", packet_labels, &metric_srt_received_packets_dropped);
+ global_metrics.add("srt_sent_bytes", packet_labels, &metric_srt_sent_bytes_dropped);
+ global_metrics.add("srt_received_bytes", packet_labels, &metric_srt_received_bytes_dropped);
+
+ packet_labels.back().second = "undecryptable";
+ global_metrics.add("srt_received_packets", packet_labels, &metric_srt_received_packets_undecryptable);
+ global_metrics.add("srt_received_bytes", packet_labels, &metric_srt_received_bytes_undecryptable);
+
+ global_metrics.add("srt_filter_sent_extra_packets", labels, &metric_srt_filter_sent_packets);
+ global_metrics.add("srt_filter_received_extra_packets", labels, &metric_srt_filter_received_extra_packets);
+ global_metrics.add("srt_filter_received_rebuilt_packets", labels, &metric_srt_filter_received_rebuilt_packets);
+ global_metrics.add("srt_filter_received_lost_packets", labels, &metric_srt_filter_received_lost_packets);
+
+ // Instant measurements (gauges).
+ global_metrics.add("srt_packet_sending_period_seconds", labels, &metric_srt_packet_sending_period_seconds, Metrics::TYPE_GAUGE);
+ global_metrics.add("srt_flow_window_packets", labels, &metric_srt_flow_window_packets, Metrics::TYPE_GAUGE);
+ global_metrics.add("srt_congestion_window_packets", labels, &metric_srt_congestion_window_packets, Metrics::TYPE_GAUGE);
+ global_metrics.add("srt_flight_size_packets", labels, &metric_srt_flight_size_packets, Metrics::TYPE_GAUGE);
+ global_metrics.add("srt_rtt_seconds", labels, &metric_srt_rtt_seconds, Metrics::TYPE_GAUGE);
+ global_metrics.add("srt_estimated_bandwidth_bits_per_second", labels, &metric_srt_estimated_bandwidth_bits_per_second, Metrics::TYPE_GAUGE);
+ global_metrics.add("srt_bandwidth_ceiling_bits_per_second", labels, &metric_srt_bandwidth_ceiling_bits_per_second, Metrics::TYPE_GAUGE);
+ global_metrics.add("srt_send_buffer_available_bytes", labels, &metric_srt_send_buffer_available_bytes, Metrics::TYPE_GAUGE);
+ global_metrics.add("srt_receive_buffer_available_bytes", labels, &metric_srt_receive_buffer_available_bytes, Metrics::TYPE_GAUGE);
+ global_metrics.add("srt_mss_bytes", labels, &metric_srt_mss_bytes, Metrics::TYPE_GAUGE);
+
+ global_metrics.add("srt_sender_unacked_packets", labels, &metric_srt_sender_unacked_packets, Metrics::TYPE_GAUGE);
+ global_metrics.add("srt_sender_unacked_bytes", labels, &metric_srt_sender_unacked_bytes, Metrics::TYPE_GAUGE);
+ global_metrics.add("srt_sender_unacked_timespan_seconds", labels, &metric_srt_sender_unacked_timespan_seconds, Metrics::TYPE_GAUGE);
+ global_metrics.add("srt_sender_delivery_delay_seconds", labels, &metric_srt_sender_delivery_delay_seconds, Metrics::TYPE_GAUGE);
+
+ global_metrics.add("srt_receiver_unacked_packets", labels, &metric_srt_receiver_unacked_packets, Metrics::TYPE_GAUGE);
+ global_metrics.add("srt_receiver_unacked_bytes", labels, &metric_srt_receiver_unacked_bytes, Metrics::TYPE_GAUGE);
+ global_metrics.add("srt_receiver_unacked_timespan_seconds", labels, &metric_srt_receiver_unacked_timespan_seconds, Metrics::TYPE_GAUGE);
+ global_metrics.add("srt_receiver_delivery_delay_seconds", labels, &metric_srt_receiver_delivery_delay_seconds, Metrics::TYPE_GAUGE);
+}
+
+void SRTMetrics::deinit(const vector<pair<string, string>> &labels)
+{
+ // Global measurements (counters).
+ global_metrics.remove_if_exists("srt_uptime_seconds", labels);
+ global_metrics.remove_if_exists("srt_send_duration_seconds", labels);
+ global_metrics.remove_if_exists("srt_sent_bytes", labels);
+ global_metrics.remove_if_exists("srt_received_bytes", labels);
+
+ vector<pair<string, string>> packet_labels = labels;
+ packet_labels.emplace_back("type", "normal");
+ global_metrics.remove_if_exists("srt_sent_packets", packet_labels);
+ global_metrics.remove_if_exists("srt_received_packets", packet_labels);
+
+ packet_labels.back().second = "lost";
+ global_metrics.remove_if_exists("srt_sent_packets", packet_labels);
+ global_metrics.remove_if_exists("srt_received_packets", packet_labels);
+
+ packet_labels.back().second = "retransmitted";
+ global_metrics.remove_if_exists("srt_sent_packets", packet_labels);
+ global_metrics.remove_if_exists("srt_sent_bytes", packet_labels);
+
+ packet_labels.back().second = "ack";
+ global_metrics.remove_if_exists("srt_sent_packets", packet_labels);
+ global_metrics.remove_if_exists("srt_received_packets", packet_labels);
+
+ packet_labels.back().second = "nak";
+ global_metrics.remove_if_exists("srt_sent_packets", packet_labels);
+ global_metrics.remove_if_exists("srt_received_packets", packet_labels);
+
+ packet_labels.back().second = "dropped";
+ global_metrics.remove_if_exists("srt_sent_packets", packet_labels);
+ global_metrics.remove_if_exists("srt_received_packets", packet_labels);
+ global_metrics.remove_if_exists("srt_sent_bytes", packet_labels);
+ global_metrics.remove_if_exists("srt_received_bytes", packet_labels);
+
+ packet_labels.back().second = "undecryptable";
+ global_metrics.remove_if_exists("srt_received_packets", packet_labels);
+ global_metrics.remove_if_exists("srt_received_bytes", packet_labels);
+
+ global_metrics.remove_if_exists("srt_filter_sent_extra_packets", labels);
+ global_metrics.remove_if_exists("srt_filter_received_extra_packets", labels);
+ global_metrics.remove_if_exists("srt_filter_received_rebuilt_packets", labels);
+ global_metrics.remove_if_exists("srt_filter_received_lost_packets", labels);
+
+ // Instant measurements (gauges).
+ global_metrics.remove_if_exists("srt_packet_sending_period_seconds", labels);
+ global_metrics.remove_if_exists("srt_flow_window_packets", labels);
+ global_metrics.remove_if_exists("srt_congestion_window_packets", labels);
+ global_metrics.remove_if_exists("srt_flight_size_packets", labels);
+ global_metrics.remove_if_exists("srt_rtt_seconds", labels);
+ global_metrics.remove_if_exists("srt_estimated_bandwidth_bits_per_second", labels);
+ global_metrics.remove_if_exists("srt_bandwidth_ceiling_bits_per_second", labels);
+ global_metrics.remove_if_exists("srt_send_buffer_available_bytes", labels);
+ global_metrics.remove_if_exists("srt_receive_buffer_available_bytes", labels);
+ global_metrics.remove_if_exists("srt_mss_bytes", labels);
+
+ global_metrics.remove_if_exists("srt_sender_unacked_packets", labels);
+ global_metrics.remove_if_exists("srt_sender_unacked_bytes", labels);
+ global_metrics.remove_if_exists("srt_sender_unacked_timespan_seconds", labels);
+ global_metrics.remove_if_exists("srt_sender_delivery_delay_seconds", labels);
+
+ global_metrics.remove_if_exists("srt_receiver_unacked_packets", labels);
+ global_metrics.remove_if_exists("srt_receiver_unacked_bytes", labels);
+ global_metrics.remove_if_exists("srt_receiver_unacked_timespan_seconds", labels);
+ global_metrics.remove_if_exists("srt_receiver_delivery_delay_seconds", labels);
+}
+
+#ifdef HAVE_SRT
+void SRTMetrics::update_srt_stats(int srt_sock)
+{
+ SRT_TRACEBSTATS stats;
+ srt_bistats(srt_sock, &stats, /*clear=*/0, /*instantaneous=*/1);
+
+ metric_srt_uptime_seconds = stats.msTimeStamp * 1e-3;
+ metric_srt_send_duration_seconds = stats.usSndDurationTotal * 1e-6;
+ metric_srt_sent_bytes = stats.byteSentTotal;
+ metric_srt_received_bytes = stats.byteRecvTotal;
+ metric_srt_sent_packets_normal = stats.pktSentTotal;
+ metric_srt_received_packets_normal = stats.pktRecvTotal;
+ metric_srt_sent_packets_lost = stats.pktSndLossTotal;
+ metric_srt_received_packets_lost = stats.pktRcvLossTotal;
+ metric_srt_sent_packets_retransmitted = stats.pktRetransTotal;
+ metric_srt_sent_bytes_retransmitted = stats.byteRetransTotal;
+ metric_srt_sent_packets_ack = stats.pktSentACKTotal;
+ metric_srt_received_packets_ack = stats.pktRecvACKTotal;
+ metric_srt_sent_packets_nak = stats.pktSentNAKTotal;
+ metric_srt_received_packets_nak = stats.pktRecvNAKTotal;
+ metric_srt_sent_packets_dropped = stats.pktSndDropTotal;
+ metric_srt_received_packets_dropped = stats.pktRcvDropTotal;
+ metric_srt_sent_bytes_dropped = stats.byteSndDropTotal;
+ metric_srt_received_bytes_dropped = stats.byteRcvDropTotal;
+ metric_srt_received_packets_undecryptable = stats.pktRcvUndecryptTotal;
+ metric_srt_received_bytes_undecryptable = stats.byteRcvUndecryptTotal;
+ metric_srt_filter_sent_packets = stats.pktSndFilterExtraTotal;
+ metric_srt_filter_received_extra_packets = stats.pktRcvFilterExtraTotal;
+ metric_srt_filter_received_rebuilt_packets = stats.pktRcvFilterSupplyTotal;
+ metric_srt_filter_received_lost_packets = stats.pktRcvFilterLossTotal;
+
+ // Gauges.
+ metric_srt_packet_sending_period_seconds = stats.usPktSndPeriod * 1e-6;
+ metric_srt_flow_window_packets = stats.pktFlowWindow;
+ metric_srt_congestion_window_packets = stats.pktCongestionWindow;
+ metric_srt_flight_size_packets = stats.pktFlightSize;
+ metric_srt_rtt_seconds = stats.msRTT * 1e-3;
+ metric_srt_estimated_bandwidth_bits_per_second = stats.mbpsBandwidth * 1e6;
+ metric_srt_bandwidth_ceiling_bits_per_second = stats.mbpsMaxBW * 1e6;
+ metric_srt_send_buffer_available_bytes = stats.byteAvailSndBuf;
+ metric_srt_receive_buffer_available_bytes = stats.byteAvailRcvBuf;
+ metric_srt_mss_bytes = stats.byteMSS;
+ metric_srt_sender_unacked_packets = stats.pktSndBuf;
+ metric_srt_sender_unacked_bytes = stats.byteSndBuf;
+ metric_srt_sender_unacked_timespan_seconds = stats.msSndBuf * 1e-3;
+ metric_srt_sender_delivery_delay_seconds = stats.msSndTsbPdDelay * 1e-3;
+ metric_srt_receiver_unacked_packets = stats.pktRcvBuf;
+ metric_srt_receiver_unacked_bytes = stats.byteRcvBuf;
+ metric_srt_receiver_unacked_timespan_seconds = stats.msRcvBuf * 1e-3;
+ metric_srt_receiver_delivery_delay_seconds = stats.msRcvTsbPdDelay * 1e-3;
+}
+#endif