194 lines
8.3 KiB
C++
194 lines
8.3 KiB
C++
#include <stdlib.h>
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#include <sys/stat.h>
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#include <iostream>
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#include <map>
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#include <string>
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#include <thread>
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#include <vector>
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#include "cos_api.h"
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#include "cos_sys_config.h"
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#include "util/auth_tool.h"
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/**
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* 本样例演示了如何使用 COS C++ SDK 进行对象的复制和移动
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* 包括：桶内复制、高级对象复制、桶内移动、用户自行分块复制
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*/
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using namespace qcloud_cos;
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uint64_t appid = 12500000000;
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std::string tmp_secret_id = "AKIDXXXXXXXX";
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std::string tmp_secret_key = "1A2Z3YYYYYYYYYY";
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std::string region = "ap-guangzhou";
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std::string bucket_name = "examplebucket-12500000000";
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std::string tmp_token = "token";
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/*
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* 本方法包含调用是否正常的判断，和请求结果的输出
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* 可通过本方法判断是否请求成功，并输出结果信息
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*/
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void PrintResult(const qcloud_cos::CosResult& result, const qcloud_cos::BaseResp& resp) {
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if (result.IsSucc()) {
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std::cout << "Request Succ." << std::endl;
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std::cout << resp.DebugString() << std::endl;
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} else {
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std::cout << "ErrorMsg=" << result.GetErrorMsg() << std::endl;
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std::cout << "HttpStatus=" << result.GetHttpStatus() << std::endl;
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std::cout << "ErrorCode=" << result.GetErrorCode() << std::endl;
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std::cout << "ErrorMsg=" << result.GetErrorMsg() << std::endl;
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std::cout << "ResourceAddr=" << result.GetResourceAddr() << std::endl;
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std::cout << "XCosRequestId=" << result.GetXCosRequestId() << std::endl;
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std::cout << "XCosTraceId=" << result.GetXCosTraceId() << std::endl;
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}
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}
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/*
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* 通过参数形式初始化 CosAPI 对象
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*/
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qcloud_cos::CosAPI InitCosAPI() {
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qcloud_cos::CosConfig config(appid, tmp_secret_id, tmp_secret_key, region);
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config.SetTmpToken(tmp_token); // 推荐使用临时密钥初始化 CosAPI 对象, 如果您使用永久密钥初始化 CosAPI 对象，请注释
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qcloud_cos::CosAPI cos_tmp(config);
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return cos_tmp;
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}
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/*
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* 该 Demo 示范如何拷贝一个对象至当前 CosAPI 指定的存储桶中
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* 最大支持拷贝不超过5GB的对象，支持跨区域复制
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*/
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void PutObjectCopyDemo(qcloud_cos::CosAPI& cos) {
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std::string object_name = "test_dst.txt"; // 复制目标对象名称
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std::string source = bucket_name + ".cos." + region + ".myqcloud.com/test.txt"; // 复制源对象
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qcloud_cos::PutObjectCopyReq req(bucket_name, object_name);
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req.SetXCosCopySource(source);
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qcloud_cos::PutObjectCopyResp resp;
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qcloud_cos::CosResult result = cos.PutObjectCopy(req, &resp);
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std::cout << "===================PutObjectCopyResponse====================" << std::endl;
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PrintResult(result, resp);
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std::cout << "============================================================" << std::endl;
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}
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/*
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* 该 Demo 示范如何使用高级复制接口拷贝对象至当前 CosAPI 指定的存储桶中
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* 该接口封装了简单拷贝和分块拷贝，根据文件大小智能的选择拷贝对象的方式
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* 支持大对象，支持跨区域复制。推荐调用此接口
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* 通过全局可以设置分块拷贝分块大小
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*/
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void CopyDemo(qcloud_cos::CosAPI& cos) {
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std::string object_name = "test_dst.txt"; // 复制后对象名称
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std::string source = bucket_name + ".cos." + region + ".myqcloud.com/test_src.txt"; ; // 复制源对象
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// 设置分块拷贝的分块大小，默认20MB，最大支持5GB，最小支持1MB
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// 此配置是全局性配置，主动设置后，后续初始化的所有CopyReq，都使用此配置
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CosSysConfig::SetUploadCopyPartSize(20 * 1024 * 1024);
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qcloud_cos::CopyReq req(bucket_name, object_name);
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qcloud_cos::CopyResp resp;
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req.SetXCosCopySource(source);
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qcloud_cos::CosResult result = cos.Copy(req, &resp);
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std::cout << "===========================Copy=============================" << std::endl;
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PrintResult(result, resp);
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std::cout << "============================================================" << std::endl;
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}
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/*
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* 该 Demo 示范如何在当前CosAPI的存储桶中移动一个对象
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* 支持大对象移动，但仅支持当前存储桶
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* 如需要移动跨桶对象，请使用 PutObjectCopy 或 Copy 接口复制后删除原文件
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*/
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void MoveObjectDemo(qcloud_cos::CosAPI& cos) {
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std::string src_object = "test_src.txt";
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std::string dst_object = "test_dst.txt";
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qcloud_cos::MoveObjectReq req(bucket_name, src_object, dst_object);
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qcloud_cos::CosResult result = cos.MoveObject(req);
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std::cout << "========================MoveObject==========================" << std::endl;
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if (result.IsSucc()) {
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std::cout << "MoveObject Succ." << std::endl;
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} else {
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std::cout << "MoveObject Fail, ErrorMsg: " << result.GetErrorMsg() << std::endl;
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}
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std::cout << "============================================================" << std::endl;
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}
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/*
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* 该 Demo 示范用户如何自行组合分块操作拷贝对象到目标存储桶
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* 分块操作基于初始化、拷贝分块、完成分块三个接口实现将整个源对象切分为多个分块，然后再将这些分块拷贝到目标存储桶中
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* 支持大对象，支持跨区域，其中每个分块最大支持 5GB，最小支持 1MB，最后一个分块可以小于 1MB
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*/
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void CopyPartDemo(qcloud_cos::CosAPI& cos) {
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std::string dst_object = "test_dst.txt";
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std::string source = bucket_name + ".cos." + region + ".myqcloud.com/test_src.txt"; // 复制源对象
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// 1. InitMultiUpload
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qcloud_cos::InitMultiUploadReq init_req(bucket_name, dst_object);
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qcloud_cos::InitMultiUploadResp init_resp;
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qcloud_cos::CosResult init_result = cos.InitMultiUpload(init_req, &init_resp);
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std::cout << "=====================InitMultiUpload=====================" << std::endl;
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PrintResult(init_result, init_resp);
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std::cout << "=========================================================" << std::endl;
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// 2. UploadPartCopyData
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// UploadPartCopyData 部分，可以根据实际选择分块数量和每次分块的 range，这里以 2 个分块为例
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std::vector<std::string> etags;
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std::vector<uint64_t> part_numbers;
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std::string upload_id = init_resp.GetUploadId();
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{
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uint64_t part_number = 1;
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qcloud_cos::UploadPartCopyDataReq req(bucket_name, dst_object, upload_id, part_number);
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req.SetXCosCopySource(source);
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req.SetXCosCopySourceRange("bytes=0-104857599"); // 可根据实际选择 range
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qcloud_cos::UploadPartCopyDataResp resp;
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qcloud_cos::CosResult result = cos.UploadPartCopyData(req, &resp);
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std::cout << "==================UploadPartCopyDataResp1=====================" << std::endl;
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PrintResult(result, resp);
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std::cout << "==============================================================" << std::endl;
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if (result.IsSucc()) {
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part_numbers.push_back(1);
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etags.push_back(resp.GetEtag());
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}
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}
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{
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uint64_t part_number = 2;
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qcloud_cos::UploadPartCopyDataReq req(bucket_name, dst_object, upload_id, part_number);
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req.SetXCosCopySource(source);
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req.SetXCosCopySourceRange("bytes=104857600-209715199"); // 可根据实际选择 range
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qcloud_cos::UploadPartCopyDataResp resp;
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qcloud_cos::CosResult result = cos.UploadPartCopyData(req, &resp);
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std::cout << "==================UploadPartCopyDataResp2=====================" << std::endl;
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PrintResult(result, resp);
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std::cout << "==============================================================" << std::endl;
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if (result.IsSucc()) {
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part_numbers.push_back(2);
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etags.push_back(resp.GetEtag());
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}
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}
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// 3. Complete
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CompleteMultiUploadReq comp_req(bucket_name, dst_object, upload_id);
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CompleteMultiUploadResp comp_resp;
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comp_req.SetEtags(etags);
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comp_req.SetPartNumbers(part_numbers);
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qcloud_cos::CosResult result = cos.CompleteMultiUpload(comp_req, &comp_resp);
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std::cout << "===================Complete=============================" << std::endl;
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PrintResult(result, comp_resp);
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std::cout << "========================================================" << std::endl;
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return;
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}
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int main() {
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qcloud_cos::CosAPI cos = InitCosAPI();
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CosSysConfig::SetLogLevel((LOG_LEVEL)COS_LOG_ERR);
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PutObjectCopyDemo(cos);
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CopyDemo(cos);
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MoveObjectDemo(cos);
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CopyPartDemo(cos);
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} |