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Master hashes each reported file on a worker, polls size and mtime every world_watch_seconds (a change must hold still for one poll), and replaces stale instances with the instance migration (Mythran shift, or seamless with world_reload_seamless=1); empty ones are stopped. Also on WORLD_RELOAD. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
48 lines
1.5 KiB
C++
48 lines
1.5 KiB
C++
#ifndef WORLDRELOADER_H
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#define WORLDRELOADER_H
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#include <functional>
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#include <string>
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#include "RakNetTypes.h"
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class Instance;
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struct MigrationStatus;
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struct WorldFilesReport;
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struct WorldFilesStatus;
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struct WorldReloadRequest;
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/**
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* Master's side of world hot reload (docs/WorldHotReload.md). Worlds report the zone files they loaded (WORLD_FILES);
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* master watches them (size and mtime every world_watch_seconds, then a hash on a worker thread) and, when one changes
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* or a GM or the dashboard asks (WORLD_RELOAD), replaces the affected instances with new ones on the files on disk,
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* moving their players with the instance migration (MigrationCoordinator). Main thread only.
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*/
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namespace WorldReloader {
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// Where the dashboard's status goes (WORLD_FILES_STATUS)
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void SetPublisher(std::function<void(const WorldFilesStatus&)> publisher);
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// A world reported its files
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void HandleReport(const SystemAddress& from, const WorldFilesReport& report);
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// A GM's /reloadworld or the dashboard; who is for the log
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void HandleRequest(const WorldReloadRequest& request, const std::string& who);
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// Every migration's progress (MigrationCoordinator's observer)
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void OnMigrationStatus(const MigrationStatus& status);
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// A world server went away
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void OnInstanceGone(const Instance& instance);
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// The dashboard connected: send it the status again
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void Republish();
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// Every master frame: polls the files, finishes hashes and reloads what changed
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void Update();
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// Waits for a running hash (at shutdown)
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void Shutdown();
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};
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#endif // WORLDRELOADER_H
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