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79957330d7
* Put C++ sdk out of milvus/core * Delete core/src/sdk * Add clang-format for c++ sdk * Add README.md for sdk * Server unittest run failed on low-end server * set gpu_cache_capacity to 1G
105 lines
2.5 KiB
C++
105 lines
2.5 KiB
C++
// Licensed to the Apache Software Foundation (ASF) under one
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// or more contributor license agreements. See the NOTICE file
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// distributed with this work for additional information
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// regarding copyright ownership. The ASF licenses this file
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// to you under the Apache License, Version 2.0 (the
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// "License"); you may not use this file except in compliance
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// with the License. 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,
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// software distributed under the License is distributed on an
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// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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// KIND, either express or implied. See the License for the
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// specific language governing permissions and limitations
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// under the License.
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#include "Status.h"
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#include <cstring>
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namespace milvus {
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constexpr int CODE_WIDTH = sizeof(StatusCode);
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Status::Status(StatusCode code, const std::string& msg) {
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// 4 bytes store code
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// 4 bytes store message length
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// the left bytes store message string
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const uint32_t length = (uint32_t)msg.size();
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auto result = new char[length + sizeof(length) + CODE_WIDTH];
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memcpy(result, &code, CODE_WIDTH);
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memcpy(result + CODE_WIDTH, &length, sizeof(length));
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memcpy(result + sizeof(length) + CODE_WIDTH, msg.data(), length);
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state_ = result;
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}
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Status::Status() : state_(nullptr) {
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}
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Status::~Status() {
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delete state_;
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}
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Status::Status(const Status& s) : state_(nullptr) {
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CopyFrom(s);
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}
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Status&
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Status::operator=(const Status& s) {
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CopyFrom(s);
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return *this;
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}
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Status::Status(Status&& s) : state_(nullptr) {
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MoveFrom(s);
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}
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Status&
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Status::operator=(Status&& s) {
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MoveFrom(s);
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return *this;
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}
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void
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Status::CopyFrom(const Status& s) {
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delete state_;
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state_ = nullptr;
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if (s.state_ == nullptr) {
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return;
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}
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uint32_t length = 0;
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memcpy(&length, s.state_ + CODE_WIDTH, sizeof(length));
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int buff_len = length + sizeof(length) + CODE_WIDTH;
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state_ = new char[buff_len];
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memcpy(state_, s.state_, buff_len);
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}
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void
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Status::MoveFrom(Status& s) {
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delete state_;
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state_ = s.state_;
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s.state_ = nullptr;
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}
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std::string
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Status::message() const {
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if (state_ == nullptr) {
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return "OK";
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}
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std::string msg;
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uint32_t length = 0;
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memcpy(&length, state_ + CODE_WIDTH, sizeof(length));
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if (length > 0) {
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msg.append(state_ + sizeof(length) + CODE_WIDTH, length);
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}
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return msg;
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}
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} // namespace milvus
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