mirror of https://gitee.com/bigwinds/arangodb
116 lines
4.2 KiB
C++
116 lines
4.2 KiB
C++
////////////////////////////////////////////////////////////////////////////////
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/// DISCLAIMER
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///
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/// Copyright 2014-2017 ArangoDB GmbH, Cologne, Germany
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/// Copyright 2004-2014 triAGENS GmbH, Cologne, Germany
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///
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/// Licensed under the Apache License, Version 2.0 (the "License");
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/// you may not use this file except in compliance with the License.
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/// You may obtain a copy of the License at
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///
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/// http://www.apache.org/licenses/LICENSE-2.0
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///
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/// Unless required by applicable law or agreed to in writing, software
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/// distributed under the License is distributed on an "AS IS" BASIS,
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/// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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/// See the License for the specific language governing permissions and
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/// limitations under the License.
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///
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/// Copyright holder is ArangoDB GmbH, Cologne, Germany
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///
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/// @author Daniel H. Larkin
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/// @author Jan Steemann
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////////////////////////////////////////////////////////////////////////////////
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#include "RocksDBEngine/RocksDBCommon.h"
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#include "RocksDBEngine/RocksDBTransactionState.h"
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#include "Transaction/Methods.h"
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namespace arangodb {
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namespace rocksutils {
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arangodb::Result convertStatus(rocksdb::Status const& status, StatusHint hint) {
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switch (status.code()) {
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case rocksdb::Status::Code::kOk:
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return {TRI_ERROR_NO_ERROR};
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case rocksdb::Status::Code::kNotFound:
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switch (hint) {
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case StatusHint::collection:
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return {TRI_ERROR_ARANGO_COLLECTION_NOT_FOUND, status.ToString()};
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case StatusHint::database:
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return {TRI_ERROR_ARANGO_DATABASE_NOT_FOUND, status.ToString()};
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case StatusHint::document:
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return {TRI_ERROR_ARANGO_DOCUMENT_NOT_FOUND, status.ToString()};
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case StatusHint::index:
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return {TRI_ERROR_ARANGO_INDEX_NOT_FOUND, status.ToString()};
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case StatusHint::view:
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return {TRI_ERROR_ARANGO_VIEW_NOT_FOUND, status.ToString()};
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default:
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return {TRI_ERROR_ARANGO_DOCUMENT_NOT_FOUND, status.ToString()};
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}
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case rocksdb::Status::Code::kCorruption:
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return {TRI_ERROR_ARANGO_CORRUPTED_DATAFILE, status.ToString()};
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case rocksdb::Status::Code::kNotSupported:
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return {TRI_ERROR_ILLEGAL_OPTION, status.ToString()};
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case rocksdb::Status::Code::kInvalidArgument:
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return {TRI_ERROR_BAD_PARAMETER, status.ToString()};
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case rocksdb::Status::Code::kIOError:
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return {TRI_ERROR_ARANGO_IO_ERROR, status.ToString()};
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case rocksdb::Status::Code::kMergeInProgress:
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return {TRI_ERROR_ARANGO_MERGE_IN_PROGRESS, status.ToString()};
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case rocksdb::Status::Code::kIncomplete:
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return {TRI_ERROR_NO_ERROR, status.ToString()};
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case rocksdb::Status::Code::kShutdownInProgress:
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return {TRI_ERROR_SHUTTING_DOWN, status.ToString()};
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case rocksdb::Status::Code::kTimedOut:
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return {TRI_ERROR_LOCK_TIMEOUT, status.ToString()};
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case rocksdb::Status::Code::kAborted:
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return {TRI_ERROR_TRANSACTION_ABORTED, status.ToString()};
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case rocksdb::Status::Code::kBusy:
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return {TRI_ERROR_ARANGO_BUSY, status.ToString()};
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case rocksdb::Status::Code::kExpired:
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return {TRI_ERROR_INTERNAL, "key expired; TTL was set in error"};
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case rocksdb::Status::Code::kTryAgain:
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return {TRI_ERROR_ARANGO_TRY_AGAIN, status.ToString()};
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default:
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return {TRI_ERROR_INTERNAL, "unknown RocksDB status code"};
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}
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}
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uint64_t uint64FromPersistent(char const* p) {
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uint64_t value = 0;
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uint64_t x = 0;
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char const* end = p + sizeof(uint64_t);
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do {
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value += static_cast<uint64_t>(*p++) << x;
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x += 8;
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} while (p < end);
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return value;
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}
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void uint64ToPersistent(char* p, uint64_t value) {
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char* end = p + sizeof(uint64_t);
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do {
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*p++ = static_cast<uint8_t>(value & 0xff);
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value >>= 8;
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} while (p < end);
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}
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void uint64ToPersistent(std::string& p, uint64_t value) {
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size_t len = 0;
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do {
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p.push_back(static_cast<char>(value & 0xff));
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value >>= 8;
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} while (++len < sizeof(uint64_t));
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}
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RocksDBTransactionState* toRocksTransactionState(transaction::Methods* trx) {
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TRI_ASSERT(trx != nullptr);
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TransactionState* state = trx->state();
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TRI_ASSERT(state != nullptr);
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return static_cast<RocksDBTransactionState*>(trx->state());
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}
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} // namespace rocksutils
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} // namespace arangodb
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