mirror of https://gitee.com/bigwinds/arangodb
71 lines
2.4 KiB
C++
71 lines
2.4 KiB
C++
////////////////////////////////////////////////////////////////////////////////
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/// DISCLAIMER
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///
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/// Copyright 2019 ArangoDB 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 Tobias Gödderz
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////////////////////////////////////////////////////////////////////////////////
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#include "SyncerId.h"
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#include "Basics/Exceptions.h"
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#include "Basics/StringUtils.h"
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#include "Rest/GeneralRequest.h"
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#include <algorithm>
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using namespace arangodb;
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std::string SyncerId::toString() const { return std::to_string(value); }
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SyncerId SyncerId::fromRequest(GeneralRequest const& request) {
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bool found;
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std::string const& idStr = request.value("syncerId", found);
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TRI_voc_tick_t id = 0;
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if (found) {
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if (idStr.empty()) {
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THROW_ARANGO_EXCEPTION_MESSAGE(TRI_ERROR_BAD_PARAMETER, "syncerId, if set, must not be empty");
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}
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if (!std::all_of(idStr.begin(), idStr.end(), [](char c) {
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return c >= '0' && c <= '9';
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})) {
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THROW_ARANGO_EXCEPTION_MESSAGE(TRI_ERROR_BAD_PARAMETER, "syncerId must be an integer");
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}
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if (idStr[0] == '0') {
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if (idStr.size() == 1) {
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THROW_ARANGO_EXCEPTION_MESSAGE(TRI_ERROR_BAD_PARAMETER, "syncerId must be non-zero");
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} else {
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THROW_ARANGO_EXCEPTION_MESSAGE(TRI_ERROR_BAD_PARAMETER, "syncerId must not begin with zero");
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}
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}
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try {
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id = std::stoull(idStr, nullptr, 10);
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// stoull could also throw std::invalid_argument, but this shouldn't be
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// possible due to the checks before.
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} catch (std::out_of_range const& e) {
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THROW_ARANGO_EXCEPTION_FORMAT(TRI_ERROR_BAD_PARAMETER, "syncerId is too large: %s", e.what());
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}
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if (id == 0) {
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// id == 0 is reserved to mean "unset" and may not be set by the client.
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THROW_ARANGO_EXCEPTION_MESSAGE(TRI_ERROR_BAD_PARAMETER, "syncerId must be non-zero");
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}
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}
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return SyncerId{id};
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}
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