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loadFromDisk should handle legacy entries and clean up old v1 files after migration

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This commit is contained in:
Ben Meadors
2026-03-27 10:41:12 -05:00
parent ac7383546d
commit eb7e5c7acf
1 changed files with 10 additions and 0 deletions
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10
src/mesh/TransmitHistory.cpp
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@@ -38,6 +38,7 @@ void TransmitHistory::loadFromDisk()
FileHeader header{};
if (file.read((uint8_t *)&header, sizeof(header)) == sizeof(header) && header.magic == MAGIC &&
(header.version == 1 || header.version == VERSION) && header.count <= MAX_ENTRIES) {
bool wasLegacy = (header.version == 1);
for (uint8_t i = 0; i < header.count; i++) {
if (header.version == 1) {
LegacyEntry entry{};
@@ -68,6 +69,10 @@ void TransmitHistory::loadFromDisk()
}
}
LOG_INFO("TransmitHistory: loaded %u entries from disk", header.count);
// Mark dirty if we loaded v1 entries so they get rewritten in v2 format on next save
if (wasLegacy) {
dirty = true;
}
} else {
LOG_WARN("TransmitHistory: invalid file header, starting fresh");
}
@@ -76,6 +81,11 @@ void TransmitHistory::loadFromDisk()
LOG_INFO("TransmitHistory: no history file found, starting fresh");
}
spiLock->unlock();
// Clean up old v1 files after migration
if (dirty && FSCom.exists(FILENAME)) {
FSCom.remove(FILENAME);
LOG_INFO("TransmitHistory: removed legacy v1 file, will rewrite in v2 format");
}
dirty = false;
}