93 lines
2.5 KiB
Ruby
93 lines
2.5 KiB
Ruby
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# <<*>> -^v- SNOWARE APPLICATION
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# usage: MINECRAFT Server monitoring.
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# author: S.A.
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# time: 2026-06-07
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# license: All rights received.
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# frozen_string_literal: true
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module ServerStatusDetector
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require 'socket'
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require 'timeout'
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class TcpServer
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def self.test_port(host = '127.0.0.1', port = 25565, timeout = 10)
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result = {
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port: port,
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status: :unknown,
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response_time: nil
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}
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begin_time = Time.now
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# 带错误处理的代码需要使用 begin...end
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begin
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Timeout.timeout(timeout) do # 此方法接收整数和代码块作为参数，并在超时时引发错误
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socket = TCPSocket.new(host,port)
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result[:status] = :open
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result[:response_time] = (Time.now - begin_time).round(4)
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socket.close
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end
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rescue Timeout::Error
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result[:status] = :timeout
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rescue Errno::ECONNREFUSED
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result[:status] = :closed
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rescue Errno::ECONNRESET
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result[:status] = :interrupted
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rescue Errno::ENETUNREACH, Errno::EHOSTUNREACH
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result[:status] = :unreachable
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rescue => error
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result[:status] = :error
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result[:error] = error.message
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end
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result
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end
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end
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class MinecraftServer < TcpServer # 继承为TcpServer编写的属性和方法
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def self.self_diag()
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res = test_port('127.0.0.1', 25565)
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if res[:error] != nil
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message = "Unexpected ERROR when testing SMP by TCP: #{res[:status]},INFO: #{res[:error]}"
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puts message
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return {
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type: false,
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operation: ["Record"],
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message: message,
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}
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end # 立刻错误处理是好习惯
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case res[:status]
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when :open
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MethodExecutor.record("debug", "self_diag",
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"TCP check OK — #{res[:response_time]}s")
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return {
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type: true,
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}
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when :timeout
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MethodExecutor.record("warn", "self_diag",
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"TCP check timed out.")
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return {
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type: false,
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operation: ["Record"],
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message: "We sent packet without response."
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}
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when :closed
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MethodExecutor.record("warn", "self_diag",
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"TCP port closed — server is down.")
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return {
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type: false,
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operation: ["Record", "ForceResetServerProcess"], # 重启时注意要设置最大尝试次数
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message: "Server died for unknown reason, and will be restarted."
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}
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end
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end
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end
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end
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