mirror of https://gitee.com/bigwinds/arangodb
115 lines
3.3 KiB
C++
115 lines
3.3 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 Dr. Frank Celler
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////////////////////////////////////////////////////////////////////////////////
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#ifndef ARANGOD_ACTIONS_ACTIONS_H
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#define ARANGOD_ACTIONS_ACTIONS_H 1
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#include "Basics/Common.h"
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#include "Basics/Mutex.h"
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struct TRI_vocbase_t;
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namespace arangodb {
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class GeneralRequest;
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class GeneralResponse;
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} // namespace arangodb
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/// @brief action result
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class TRI_action_result_t {
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public:
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TRI_action_result_t() : isValid(false), canceled(false) {}
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bool isValid;
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bool canceled;
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};
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/// @brief action descriptor
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class TRI_action_t {
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public:
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TRI_action_t() :
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_urlParts(0),
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_isPrefix(false),
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_allowUseDatabase(false),
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_isSystem(false) {}
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virtual ~TRI_action_t() {}
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virtual void visit(void*) = 0;
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virtual TRI_action_result_t execute(TRI_vocbase_t*, arangodb::GeneralRequest*,
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arangodb::GeneralResponse*,
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arangodb::Mutex* dataLock, void** data) = 0;
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virtual bool cancel(arangodb::Mutex* dataLock, void** data) = 0;
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void setUrl(std::string const& url, size_t urlParts) {
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_url = url;
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_urlParts = urlParts;
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}
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std::string _url;
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size_t _urlParts;
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bool _isPrefix;
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bool _allowUseDatabase;
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bool _isSystem;
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};
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/// @brief fake action class used only inside /_admin/execute RestHandler
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class TRI_fake_action_t final : public TRI_action_t {
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public:
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TRI_fake_action_t(std::string const& url, size_t urlParts)
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: TRI_action_t() {
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setUrl(url, urlParts);
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}
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void visit(void*) override {}
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/// @brief actions of this type are executed directly. nothing to do here
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TRI_action_result_t execute(TRI_vocbase_t*, arangodb::GeneralRequest*,
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arangodb::GeneralResponse*,
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arangodb::Mutex*, void**) override;
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/// @brief actions of this type are not registered anywhere, and thus
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/// cannot be canceled
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bool cancel(arangodb::Mutex*, void**) override {
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return false;
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}
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};
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/// @brief defines an action
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std::shared_ptr<TRI_action_t> TRI_DefineActionVocBase(std::string const& name,
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std::shared_ptr<TRI_action_t> action);
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/// @brief looks up an action
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std::shared_ptr<TRI_action_t> TRI_LookupActionVocBase(arangodb::GeneralRequest* request);
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/// @brief deletes all defined actions
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void TRI_CleanupActions();
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/// @brief visit all actions
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void TRI_VisitActions(std::function<void(TRI_action_t*)> const& visitor);
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#endif
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