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feat(replica): Support FlushDB command for replication #580 (#591)

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adiholden 2022-12-25 14:03:49 +02:00 • committed by GitHub
parent 8d86e9b014
commit 5d39521de3
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10 changed files with 107 additions and 25 deletions
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6
src/server/journal/serializer.cc
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@ -70,6 +70,7 @@ error_code JournalWriter::Write(const journal::Entry& entry) {
return Write(entry.dbid);
case journal::Op::COMMAND:
RETURN_ON_ERR(Write(entry.txid));
RETURN_ON_ERR(Write(entry.shard_cnt));
return std::visit([this](const auto& payload) { return Write(payload); }, entry.payload);
default:
break;
@ -100,6 +101,10 @@ io::Result<uint16_t> JournalReader::ReadU16(io::Source* source) {
return ReadPackedUIntTyped<uint16_t>(source);
}
io::Result<uint32_t> JournalReader::ReadU32(io::Source* source) {
return ReadPackedUIntTyped<uint32_t>(source);
}
io::Result<uint64_t> JournalReader::ReadU64(io::Source* source) {
return ReadPackedUIntTyped<uint64_t>(source);
}
@ -153,6 +158,7 @@ io::Result<journal::ParsedEntry> JournalReader::ReadEntry(io::Source* source) {
switch (entry.opcode) {
case journal::Op::COMMAND:
SET_OR_UNEXPECT(ReadU64(source), entry.txid);
SET_OR_UNEXPECT(ReadU32(source), entry.shard_cnt);
entry.payload = CmdArgVec{};
if (auto ec = Read(source, &*entry.payload); ec)
return make_unexpected(ec);