源码分析¶

cowboy¶

cowboy_sup -> cowboy_clock

ets表¶

cowboy_clock:

{rfc1123, "Sun, 06 Nov 1994 08:49:37 GMT"}

ranch¶

ranch_sup:

ranch_server
{ranch_listener_sup, Ref}

ranch_listener_sup:

// 参数:[Ref, Transport, TransOpts, Protocol, ProtoOpts]}
// Transport: ranch_tcp
// Protocol: cowboy_clear
ranch_conns_sup
    参数: [Ref, Transport, Protocol]
ranch_acceptors_sup
    参数: [Ref, Transport]

ranch_acceptors_sup:

{{acceptor, self(), N}, {ranch_acceptor, start_link, [
    LSocket, Transport, Logger, ConnsSup
  ]}, permanent, brutal_kill, worker, []}

TransOpts:

[{
    port = 8081,
    connection_type = supervisor,
    max_connections = 1024,
    shutdown = 5000,
    handshake_timeout = 5000,
    logger = error_logger,
    num_acceptors = 10,
    socket = undefined,
    socket_opts = [],
}],

ProtoOpts:

#{env => #{
    dispatch => Dispatch,
    connection_type = supervisor,
    proxy_header = false,
    max_keepalive = 100,

}},

其他:

ranch:start_listener(Ref, ranch_tcp, TransOpts, cowboy_clear, ProtoOpts).

gen_server¶

ranch_server:

#state{monitors=[
    {{MonitorRef, Pid}, {listener_sup, Ref}}
]

ets表¶

ranch_server:

// [ordered_set, public, named_table]
{{conns_sup, Ref}, Pid}
{{listener_sup, Ref}, Pid}
{{max_conns, Ref}, MaxConns}
{{trans_opts, Ref}, TransOpts}
{{proto_opts, Ref}, ProtoOpts}
{{listener_start_args, Ref}, StartArgs}
    StartArgs = [Ref, Transport, TransOpts, Protocol, ProtoOpts]
{{addr, Ref}, Addr}