mirror of https://gitee.com/bigwinds/arangodb
124 lines
3.7 KiB
C++
124 lines
3.7 KiB
C++
////////////////////////////////////////////////////////////////////////////////
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/// DISCLAIMER
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///
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/// Copyright 2014-2016 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 Jan Steemann
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////////////////////////////////////////////////////////////////////////////////
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#include "RocksDBV8Functions.h"
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#include "Basics/Exceptions.h"
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#include "Basics/Result.h"
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#include "Cluster/ServerState.h"
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#include "RocksDBEngine/RocksDBCommon.h"
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#include "RocksDBEngine/RocksDBEngine.h"
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#include "StorageEngine/EngineSelectorFeature.h"
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#include "V8/v8-conv.h"
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#include "V8/v8-globals.h"
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#include "V8/v8-utils.h"
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#include <v8.h>
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using namespace arangodb;
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/// this is just a stub
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static void JS_FlushWal(v8::FunctionCallbackInfo<v8::Value> const& args) {
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TRI_V8_TRY_CATCH_BEGIN(isolate);
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v8::HandleScope scope(isolate);
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rocksdb::TransactionDB* db =
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static_cast<RocksDBEngine*>(EngineSelectorFeature::ENGINE)->db();
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rocksdb::Status status = db->GetBaseDB()->SyncWAL();
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if (!status.ok()) {
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Result res = rocksutils::convertStatus(status);
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TRI_V8_THROW_EXCEPTION(res.errorNumber());
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}
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TRI_V8_RETURN_TRUE();
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TRI_V8_TRY_CATCH_END
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}
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/// this is just a stub
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static void JS_WaitCollectorWal(
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v8::FunctionCallbackInfo<v8::Value> const& args) {
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TRI_V8_TRY_CATCH_BEGIN(isolate);
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v8::HandleScope scope(isolate);
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if (ServerState::instance()->isCoordinator()) {
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TRI_V8_THROW_EXCEPTION(TRI_ERROR_NOT_IMPLEMENTED);
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}
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// this is just a stub
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TRI_V8_RETURN_TRUE();
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TRI_V8_TRY_CATCH_END
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}
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/// this is just a stub
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static void JS_TransactionsWal(
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v8::FunctionCallbackInfo<v8::Value> const& args) {
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TRI_V8_TRY_CATCH_BEGIN(isolate);
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v8::HandleScope scope(isolate);
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if (ServerState::instance()->isCoordinator()) {
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TRI_V8_THROW_EXCEPTION(TRI_ERROR_NOT_IMPLEMENTED);
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}
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// this is just a stub
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TRI_V8_RETURN_TRUE();
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TRI_V8_TRY_CATCH_END
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}
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/// this is just a stub
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static void JS_PropertiesWal(v8::FunctionCallbackInfo<v8::Value> const& args) {
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TRI_V8_TRY_CATCH_BEGIN(isolate);
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v8::HandleScope scope(isolate);
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if (ServerState::instance()->isCoordinator()) {
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TRI_V8_THROW_EXCEPTION(TRI_ERROR_NOT_IMPLEMENTED);
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}
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// this is just a stub
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TRI_V8_RETURN_TRUE();
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TRI_V8_TRY_CATCH_END
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}
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void RocksDBV8Functions::registerResources() {
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ISOLATE;
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v8::HandleScope scope(isolate);
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TRI_GET_GLOBALS();
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// patch ArangoCollection object
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v8::Handle<v8::ObjectTemplate> rt =
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v8::Handle<v8::ObjectTemplate>::New(isolate, v8g->VocbaseColTempl);
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TRI_ASSERT(!rt.IsEmpty());
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// add global WAL handling functions
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TRI_AddGlobalFunctionVocbase(isolate, TRI_V8_ASCII_STRING("WAL_FLUSH"),
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JS_FlushWal, true);
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TRI_AddGlobalFunctionVocbase(isolate,
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TRI_V8_ASCII_STRING("WAL_WAITCOLLECTOR"),
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JS_WaitCollectorWal, true);
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TRI_AddGlobalFunctionVocbase(isolate, TRI_V8_ASCII_STRING("WAL_PROPERTIES"),
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JS_PropertiesWal, true);
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TRI_AddGlobalFunctionVocbase(isolate, TRI_V8_ASCII_STRING("WAL_TRANSACTIONS"),
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JS_TransactionsWal, true);
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}
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