104 lines
4.2 KiB
Ruby
104 lines
4.2 KiB
Ruby
# <<*>> -^v- SNOWARE APPLICATION
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# usage: MINESENTINEL mainloop.
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# author: S.A.
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# time: 2026-06-07
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# Copyright (c) [2026] [S.A. SNOWARE-SCU]
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# [MineSentinel] is licensed under Mulan PubL v2.
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# You can use this software according to the terms and conditions of the Mulan PubL v2.
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# You may obtain a copy of Mulan PubL v2 at:
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# http://license.coscl.org.cn/MulanPubL-2.0
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# THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND,
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# EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT,
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# MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE.
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# See the Mulan PubL v2 for more details.
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def main
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puts ' ___ __ ___ ___ ___ '
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puts ' |\/| | |\ | |__ /__` |__ |\ | | | |\ | |__ | '
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puts ' | | | | \| |___ .__/ |___ | \| | | | \| |___ |___ '
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puts " MineSentinel dev-rolling version by <*> S.A. [@SNOWARE] and owned by SCU team."
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puts " Copyleft (c) 2026 S.A. SNOWARE-SCU. This program is licensed under Mulan PubL v2."
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puts " E-mail: SALflake@qq.com | QQ: 758522192 | Website: https://swe-iss.rth1.xyz/softwares/minesentinel."
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puts
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require_relative 'method_executor' # 日志系统在此时初始化
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MethodExecutor.record("debug", "init", "Initialized MethodExecutor, which implements logging system and intervening functions.")
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require_relative 'server_status_detector'
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require_relative 'systemd_notifier' # 心跳系统在此时初始化
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require_relative 'config'
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MethodExecutor.record("debug", "init", "Initialized SystemdNotifier, which implements systemd watchdog feeder.")
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# 确认是否具有展开干预操作的权限 如果因场景不同不需要请注释这部分内容
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unless Process.euid == 0
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MethodExecutor.record("error", "init", "Permission denied: root required to intervene Systemd Services.")
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raise Errno::EPERM
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end
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MethodExecutor.record("info", "mainloop", "MineSentinel started, entering mainloop.")
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# 初次启动：MineSentinel 先于 minecraft 启动（systemd Before=），
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# 等待服务器端口就绪，避免误判为崩溃
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MethodExecutor.record("info", "mainloop",
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"Initial startup grace period #{INITIAL_GRACE}s — waiting for server to come up...")
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grace_deadline = Time.now + INITIAL_GRACE
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while Time.now < grace_deadline
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sleep 5
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if ServerStatusDetector::MinecraftServer.self_diag[:type]
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MethodExecutor.record("info", "mainloop",
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"Server port is open during grace period, resuming normal monitoring.")
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break
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end
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end
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MethodExecutor.record("info", "mainloop", "Grace period ended.")
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main_loop
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end
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# Functional mainloop.
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def main_once
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chkrslts = []
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for i in 0..TRY_TIMES
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chkrslt = ServerStatusDetector::MinecraftServer.self_diag
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chkrslts.append(chkrslt)
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end
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if chkrslts.all? { |chkrslt_in| chkrslt_in[:type] }
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MethodExecutor.record("debug", "mainloop", "Server health check passed.")
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else
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for chkrslt_in in chkrslts
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MethodExecutor.record("warn", "mainloop", "Server health check FAILED: #{chkrslt_in[:message]}")
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end
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MethodExecutor.record("info", "mainloop", "Checked #{TRY_TIMES} time.")
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if chkrslts.any? { |chkrslt_in| chkrslt_in[:operation] == "Record" }
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MethodExecutor.record("warn", "mainloop", "Action: Record -> Server died!")
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if chkrslts.any? { |chkrslt_in| chkrslt_in[:message] == "Server died for unknown reason, and will be restarted." }
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MethodExecutor.record("info", "mainloop", "Action: ForceResetServerProcess triggered.")
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MethodExecutor.reset_minecraft_server
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# 重启后等待服务器启动（MC服务器启动通常需要30秒~2分钟）
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cooldown_beg = Time.now
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MethodExecutor.record("info", "mainloop", "Cooling down #{RST_COOLDOWN_DURATION}s for server startup...")
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while Time.now < cooldown_beg + RST_COOLDOWN_DURATION
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sleep 1
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SystemdNotifier.notify("WATCHDOG=1")
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end
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MethodExecutor.record("info", "mainloop", "Cooldown finished, resuming monitoring.")
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end
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end
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end
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end
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def main_loop
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while true
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sleep CHECK_INTERVAL
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SystemdNotifier.notify("WATCHDOG=1")
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main_once
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end
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end
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begin
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main
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rescue => e
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# 强制输出到stderr
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$stderr.puts "[CRITICAL] Unhandled exception: #{e.message}"
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$stderr.puts e.backtrace.join("\n")
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exit 1
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end
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