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63 lines
2.0 KiB
C++
63 lines
2.0 KiB
C++
/*
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* SPDX-License-Identifier: MIT
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* RepeaterDataStore - Filesystem storage for repeater
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*
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* Uses /lfs/repeater/ prefix to keep data separate from companion, so the
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* two prefs layouts (301 B here, 163 B there, different field order) can
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* never be read through each other.
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*
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* The roles are NOT interchangeable: booting a repeater onto a companion
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* volume formats it, and vice versa. They are different kinds of node, and
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* they share one 128 KB LittleFS volume - a companion's contacts and blob
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* cache would crowd out repeater writes (-ENOSPC), not corrupt them. Save
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* your identity before switching roles.
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*/
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#pragma once
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#include <cstdint>
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#include <stddef.h>
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#include <mesh/Identity.h>
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#include <helpers/NodePrefs.h>
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#include <helpers/ClientACL.h>
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#include <helpers/RegionMap.h>
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class RepeaterDataStore {
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public:
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RepeaterDataStore();
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/* Initialize filesystem and repeater directory */
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bool begin();
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/* Identity management */
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bool loadIdentity(mesh::LocalIdentity& id);
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bool saveIdentity(const mesh::LocalIdentity& id);
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/* Prefs management */
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bool loadPrefs(NodePrefs& prefs);
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bool savePrefs(const NodePrefs& prefs);
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/* ACL management - paths passed to ClientACL */
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const char* getAclPath() const;
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/* Region management - paths passed to RegionMap */
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const char* getRegionsPath() const;
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/* Factory reset - erase all repeater data */
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bool formatFileSystem();
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/* True if this LittleFS volume already holds THIS role's data. False
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* means the volume belongs to something else - a fresh chip, a companion,
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* or a node that was running Arduino MeshCore, whose nRF52 filesystems
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* overlap our lfs_partition (devdocs/HANDOVER_lfs_arduino_overlap.md).
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* Callers format on false; see the note on BASE_PATH below. */
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bool hasRoleData() const;
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/* Get base path for repeater storage */
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const char* getBasePath() const;
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private:
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bool _initialized;
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static constexpr const char* BASE_PATH = "/lfs/repeater";
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};
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