Server 补充

Connections

手动添加、移除链接，主要为了方便开发、调试，建议请不要做它用。

connections

add_connection
remove_connection

setup_heartbeat_timer

open_connections_statistics

Configuration

实例对象：ActionCable.server.config

attr_accessor :logger, :log_tags
attr_accessor :connection_class, :worker_pool_size
attr_accessor :redis, :channels_path
attr_accessor :disable_request_forgery_protection, :allowed_request_origins
attr_accessor :url

channel_paths

channel_class_names

# 默认使用的适配器是 redis
pubsub_adapter

Worker

Server.send_async

Active Record Connection Management

及时清理 Active Record 的链接，防止堆积成山。