docs Add ZLMediaKit exporter

Background: ZLMediaKit is a high-performance, enterprise-level streaming media service framework based on C++11
zlmediakit_exporter is a Promtheus exporter for it
Sample output from zlmdiakit_exporter:
# HELP zlm_api_status The status of API endpoint
# TYPE zlm_api_status gauge
zlm_api_status{endpoint="/index/"} 1
zlm_api_status{endpoint="/index/api/addFFmpegSource"} 1
zlm_api_status{endpoint="/index/api/addStreamProxy"} 1
zlm_api_status{endpoint="/index/api/addStreamPusherProxy"} 1
zlm_api_status{endpoint="/index/api/broadcastMessage"} 1
zlm_api_status{endpoint="/index/api/closeRtpServer"} 1
zlm_api_status{endpoint="/index/api/close_stream"} 1
zlm_api_status{endpoint="/index/api/close_streams"} 1
zlm_api_status{endpoint="/index/api/connectRtpServer"} 1
zlm_api_status{endpoint="/index/api/delFFmpegSource"} 1
zlm_api_status{endpoint="/index/api/delStreamProxy"} 1
zlm_api_status{endpoint="/index/api/delStreamPusherProxy"} 1
zlm_api_status{endpoint="/index/api/deleteRecordDirectory"} 1
zlm_api_status{endpoint="/index/api/downloadBin"} 1
zlm_api_status{endpoint="/index/api/downloadFile"} 1
zlm_api_status{endpoint="/index/api/getAllSession"} 1
zlm_api_status{endpoint="/index/api/getApiList"} 1
zlm_api_status{endpoint="/index/api/getMP4RecordFile"} 1
zlm_api_status{endpoint="/index/api/getMediaInfo"} 1
zlm_api_status{endpoint="/index/api/getMediaList"} 1
zlm_api_status{endpoint="/index/api/getMediaPlayerList"} 1
zlm_api_status{endpoint="/index/api/getProxyInfo"} 1
zlm_api_status{endpoint="/index/api/getProxyPusherInfo"} 1
zlm_api_status{endpoint="/index/api/getRtpInfo"} 1
zlm_api_status{endpoint="/index/api/getServerConfig"} 1
zlm_api_status{endpoint="/index/api/getSnap"} 1
zlm_api_status{endpoint="/index/api/getStatistic"} 1
zlm_api_status{endpoint="/index/api/getThreadsLoad"} 1
zlm_api_status{endpoint="/index/api/getWorkThreadsLoad"} 1
zlm_api_status{endpoint="/index/api/isMediaOnline"} 1
zlm_api_status{endpoint="/index/api/isRecording"} 1
zlm_api_status{endpoint="/index/api/kick_session"} 1
zlm_api_status{endpoint="/index/api/kick_sessions"} 1
zlm_api_status{endpoint="/index/api/listRtpSender"} 1
zlm_api_status{endpoint="/index/api/listRtpServer"} 1
zlm_api_status{endpoint="/index/api/loadMP4File"} 1
zlm_api_status{endpoint="/index/api/openRtpServer"} 1
zlm_api_status{endpoint="/index/api/openRtpServerMultiplex"} 1
zlm_api_status{endpoint="/index/api/pauseRtpCheck"} 1
zlm_api_status{endpoint="/index/api/restartServer"} 1
zlm_api_status{endpoint="/index/api/resumeRtpCheck"} 1
zlm_api_status{endpoint="/index/api/seekRecordStamp"} 1
zlm_api_status{endpoint="/index/api/setRecordSpeed"} 1
zlm_api_status{endpoint="/index/api/setServerConfig"} 1
zlm_api_status{endpoint="/index/api/startRecord"} 1
zlm_api_status{endpoint="/index/api/startSendRtp"} 1
zlm_api_status{endpoint="/index/api/startSendRtpPassive"} 1
zlm_api_status{endpoint="/index/api/stopRecord"} 1
zlm_api_status{endpoint="/index/api/stopSendRtp"} 1
zlm_api_status{endpoint="/index/api/updateRtpServerSSRC"} 1
zlm_api_status{endpoint="/index/api/version"} 1
# HELP zlm_exporter_scrapes_total Current total ZLMediaKit scrapes.
# TYPE zlm_exporter_scrapes_total counter
zlm_exporter_scrapes_total 2
# HELP zlm_network_threads_delay_total Total of network threads delay
# TYPE zlm_network_threads_delay_total gauge
zlm_network_threads_delay_total 0
# HELP zlm_network_threads_load_total Total of network threads load
# TYPE zlm_network_threads_load_total gauge
zlm_network_threads_load_total 0
# HELP zlm_network_threads_total Total number of network threads
# TYPE zlm_network_threads_total gauge
zlm_network_threads_total 8
# HELP zlm_rtp_server_total Total number of RTP servers
# TYPE zlm_rtp_server_total gauge
zlm_rtp_server_total 0
# HELP zlm_session_info Session info
# TYPE zlm_session_info gauge
zlm_session_info{id="14396-76",identifier="14396-76",local_ip="127.0.0.1",local_port="554",peer_ip="127.0.0.1",peer_port="64889",typeid="mediakit::RtspSession"} 1
zlm_session_info{id="14399-78",identifier="14399-78",local_ip="127.0.0.1",local_port="80",peer_ip="127.0.0.1",peer_port="64996",typeid="mediakit::HttpSession"} 1
zlm_session_info{id="14400-80",identifier="14400-80",local_ip="127.0.0.1",local_port="80",peer_ip="127.0.0.1",peer_port="64999",typeid="mediakit::HttpSession"} 1
zlm_session_info{id="14406-79",identifier="14406-79",local_ip="127.0.0.1",local_port="80",peer_ip="127.0.0.1",peer_port="65010",typeid="mediakit::HttpSession"} 1
zlm_session_info{id="14407-81",identifier="14407-81",local_ip="127.0.0.1",local_port="80",peer_ip="127.0.0.1",peer_port="65011",typeid="mediakit::HttpSession"} 1
zlm_session_info{id="14408-82",identifier="14408-82",local_ip="127.0.0.1",local_port="80",peer_ip="127.0.0.1",peer_port="65012",typeid="mediakit::HttpSession"} 1
zlm_session_info{id="14409-83",identifier="14409-83",local_ip="127.0.0.1",local_port="80",peer_ip="127.0.0.1",peer_port="65013",typeid="mediakit::HttpSession"} 1
zlm_session_info{id="14410-84",identifier="14410-84",local_ip="127.0.0.1",local_port="80",peer_ip="127.0.0.1",peer_port="65014",typeid="mediakit::HttpSession"} 1
zlm_session_info{id="14411-85",identifier="14411-85",local_ip="127.0.0.1",local_port="80",peer_ip="127.0.0.1",peer_port="65015",typeid="mediakit::HttpSession"} 1
# HELP zlm_session_total Total number of sessions
# TYPE zlm_session_total gauge
zlm_session_total 9
# HELP zlm_statistics_buffer Statistics buffer
# TYPE zlm_statistics_buffer gauge
zlm_statistics_buffer 2286
# HELP zlm_statistics_buffer_like_string Statistics BufferLikeString
# TYPE zlm_statistics_buffer_like_string gauge
zlm_statistics_buffer_like_string 535
# HELP zlm_statistics_buffer_list Statistics BufferList
# TYPE zlm_statistics_buffer_list gauge
zlm_statistics_buffer_list 0
# HELP zlm_statistics_buffer_raw Statistics BufferRaw
# TYPE zlm_statistics_buffer_raw gauge
zlm_statistics_buffer_raw 444
# HELP zlm_statistics_frame Statistics Frame
# TYPE zlm_statistics_frame gauge
zlm_statistics_frame 528
# HELP zlm_statistics_frame_imp Statistics FrameImp
# TYPE zlm_statistics_frame_imp gauge
zlm_statistics_frame_imp 264
# HELP zlm_statistics_media_source Statistics MediaSource
# TYPE zlm_statistics_media_source gauge
zlm_statistics_media_source 7
# HELP zlm_statistics_multi_media_source_muxer Statistics MultiMediaSourceMuxer
# TYPE zlm_statistics_multi_media_source_muxer gauge
zlm_statistics_multi_media_source_muxer 1
# HELP zlm_statistics_rtmp_packet Statistics RtmpPacket
# TYPE zlm_statistics_rtmp_packet gauge
zlm_statistics_rtmp_packet 261
# HELP zlm_statistics_rtp_packet Statistics RtpPacket
# TYPE zlm_statistics_rtp_packet gauge
zlm_statistics_rtp_packet 175
# HELP zlm_statistics_socket Statistics Socket
# TYPE zlm_statistics_socket gauge
zlm_statistics_socket 66
# HELP zlm_statistics_tcp_client Statistics TcpClient
# TYPE zlm_statistics_tcp_client gauge
zlm_statistics_tcp_client 1
# HELP zlm_statistics_tcp_server Statistics TcpServer
# TYPE zlm_statistics_tcp_server gauge
zlm_statistics_tcp_server 43
# HELP zlm_statistics_tcp_session Statistics TcpSession
# TYPE zlm_statistics_tcp_session gauge
zlm_statistics_tcp_session 9
# HELP zlm_statistics_udp_server Statistics UdpServer
# TYPE zlm_statistics_udp_server gauge
zlm_statistics_udp_server 16
# HELP zlm_statistics_udp_session Statistics UdpSession
# TYPE zlm_statistics_udp_session gauge
zlm_statistics_udp_session 0
# HELP zlm_stream_bitrate Stream bitrate
# TYPE zlm_stream_bitrate gauge
zlm_stream_bitrate{app="live",schema="fmp4",stream="test",vhost="__defaultVhost__"} 44878
zlm_stream_bitrate{app="live",schema="hls",stream="test",vhost="__defaultVhost__"} 40432
zlm_stream_bitrate{app="live",schema="rtmp",stream="test",vhost="__defaultVhost__"} 28119
zlm_stream_bitrate{app="live",schema="rtsp",stream="test",vhost="__defaultVhost__"} 28385
zlm_stream_bitrate{app="live",schema="ts",stream="test",vhost="__defaultVhost__"} 40432
# HELP zlm_stream_info Stream basic information
# TYPE zlm_stream_info gauge
zlm_stream_info{app="live",origin_type="rtsp_push",origin_url="rtsp://127.0.0.1:554/live/test",schema="fmp4",stream="test",vhost="__defaultVhost__"} 1
zlm_stream_info{app="live",origin_type="rtsp_push",origin_url="rtsp://127.0.0.1:554/live/test",schema="hls",stream="test",vhost="__defaultVhost__"} 1
zlm_stream_info{app="live",origin_type="rtsp_push",origin_url="rtsp://127.0.0.1:554/live/test",schema="rtmp",stream="test",vhost="__defaultVhost__"} 1
zlm_stream_info{app="live",origin_type="rtsp_push",origin_url="rtsp://127.0.0.1:554/live/test",schema="rtsp",stream="test",vhost="__defaultVhost__"} 1
zlm_stream_info{app="live",origin_type="rtsp_push",origin_url="rtsp://127.0.0.1:554/live/test",schema="ts",stream="test",vhost="__defaultVhost__"} 1
# HELP zlm_stream_reader_count Stream reader count
# TYPE zlm_stream_reader_count gauge
zlm_stream_reader_count{app="live",schema="fmp4",stream="test",vhost="__defaultVhost__"} 0
zlm_stream_reader_count{app="live",schema="hls",stream="test",vhost="__defaultVhost__"} 0
zlm_stream_reader_count{app="live",schema="rtmp",stream="test",vhost="__defaultVhost__"} 0
zlm_stream_reader_count{app="live",schema="rtsp",stream="test",vhost="__defaultVhost__"} 0
zlm_stream_reader_count{app="live",schema="ts",stream="test",vhost="__defaultVhost__"} 0
# HELP zlm_stream_status Stream status (1: active with data flowing, 0: inactive)
# TYPE zlm_stream_status gauge
zlm_stream_status{app="live",schema="fmp4",stream="test",vhost="__defaultVhost__"} 1
zlm_stream_status{app="live",schema="hls",stream="test",vhost="__defaultVhost__"} 1
zlm_stream_status{app="live",schema="rtmp",stream="test",vhost="__defaultVhost__"} 1
zlm_stream_status{app="live",schema="rtsp",stream="test",vhost="__defaultVhost__"} 1
zlm_stream_status{app="live",schema="ts",stream="test",vhost="__defaultVhost__"} 1
# HELP zlm_stream_total Total number of streams
# TYPE zlm_stream_total gauge
zlm_stream_total 1
# HELP zlm_stream_total_reader_count Total reader count across all schemas
# TYPE zlm_stream_total_reader_count gauge
zlm_stream_total_reader_count{app="test",stream="__defaultVhost__",vhost="live"} 0
# HELP zlm_up Was the last scrape of ZLMediaKit successful.
# TYPE zlm_up gauge
zlm_up 1
# HELP zlm_version_info ZLMediaKit version info.
# TYPE zlm_version_info gauge
zlm_version_info{branchName="master",buildTime="2024-06-11T21:28:30",commitHash="c446f6b"} 1
# HELP zlm_work_threads_delay_total Total of work threads delay
# TYPE zlm_work_threads_delay_total gauge
zlm_work_threads_delay_total 104
# HELP zlm_work_threads_load_total Total of work threads load
# TYPE zlm_work_threads_load_total gauge
zlm_work_threads_load_total 0
# HELP zlm_work_threads_total Total number of work threads
# TYPE zlm_work_threads_total gauge
zlm_work_threads_total 8
Apr 11 '25 14:04 guohuachan
Hi! Sorry to bother — this is my first time submitting a PR, and I’ve tried to follow the guidelines as best as I can. If there’s anything I should fix or add, just let me know — happy to make any changes. Thanks a lot for reviewing!
Apr 11 '25 15:04 guohuachan
Thanks for your contribution.
But why are you tagging me and @NeerajGartia21 ?
See MAINTAINERS.md to find the maintainers of the repo.
Apr 30 '25 11:04 beorn7
Ty for the clarification! sry，I’ll make sure to refer to MAINTAINERS.md and tag the correct maintainers going forward.
May 05 '25 12:05 guohuachan