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  • Nchan 实时消息内置变量

     
    以下参考官方文档:
     
    • $nchan_channel_id
      The channel id extracted from a publisher or subscriber location request. For multiplexed locations, this is the first channel id in the list.

    • $nchan_channel_id1, $nchan_channel_id2, $nchan_channel_id3, $nchan_channel_id4
      As above, but for the nth channel id in multiplexed channels.

    • $nchan_subscriber_type
      For subscriber locations, this variable is set to the subscriber type (websocket, longpoll, etc.).

    • $nchan_publisher_type
      For publisher locations, this variable is set to the subscriber type (http or websocket).

    • $nchan_prev_message_id, $nchan_message_id The current and previous (if applicable) message id for publisher request or subscriber response.

    • $nchan_channel_event For channel events, this is the event name. Useful when configuring nchan_channel_event_string.

    • $nchan_version Current Nchan version. Available since 1.1.5.

    Additionally, nchan_stub_status data is also exposed as variables. These are available only when nchan_stub_status is enabled on at least one location:

      • $nchan_stub_status_total_published_messages
      • $nchan_stub_status_stored_messages
      • $nchan_stub_status_shared_memory_used
      • $nchan_stub_status_channels
      • $nchan_stub_status_subscribers
      • $nchan_stub_status_redis_pending_commands
      • $nchan_stub_status_redis_connected_servers
      • $nchan_stub_status_total_ipc_alerts_received
      • $nchan_stub_status_ipc_queued_alerts
      • $nchan_stub_status_total_ipc_send_delay
      • $nchan_stub_status_total_ipc_receive_delay
     
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  • 原文地址:https://www.cnblogs.com/rongfengliang/p/7867848.html
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