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Merge pull request #166 from tencentyun/feature_huberyxxiao_b44af89c
优化 demo；优化 chunk 类接口响应解析 body
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| #include <stdlib.h> | ||
| #include <sys/stat.h> | ||
| #include <iostream> | ||
| #include <map> | ||
| #include <string> | ||
| #include <thread> | ||
| #include <vector> | ||
| #include "cos_api.h" | ||
| #include "cos_sys_config.h" | ||
| #include "util/auth_tool.h" | ||
|
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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 | ||
| * 包括：桶内复制、高级对象复制、桶内移动、用户自行分块复制 | ||
| */ | ||
| using namespace qcloud_cos; | ||
|
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| uint64_t appid = 12500000000; | ||
| std::string tmp_secret_id = "AKIDXXXXXXXX"; | ||
| std::string tmp_secret_key = "1A2Z3YYYYYYYYYY"; | ||
| std::string region = "ap-guangzhou"; | ||
| std::string bucket_name = "examplebucket-12500000000"; | ||
| std::string tmp_token = "token"; | ||
|
|
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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 | ||
| * 可通过本方法判断是否请求成功，并输出结果信息 | ||
| */ | ||
| void PrintResult(const qcloud_cos::CosResult& result, const qcloud_cos::BaseResp& resp) { | ||
| if (result.IsSucc()) { | ||
| std::cout << "Request Succ." << std::endl; | ||
| std::cout << resp.DebugString() << std::endl; | ||
| } else { | ||
| std::cout << "ErrorMsg=" << result.GetErrorMsg() << std::endl; | ||
| std::cout << "HttpStatus=" << result.GetHttpStatus() << std::endl; | ||
| std::cout << "ErrorCode=" << result.GetErrorCode() << std::endl; | ||
| std::cout << "ErrorMsg=" << result.GetErrorMsg() << std::endl; | ||
| std::cout << "ResourceAddr=" << result.GetResourceAddr() << std::endl; | ||
| std::cout << "XCosRequestId=" << result.GetXCosRequestId() << std::endl; | ||
| std::cout << "XCosTraceId=" << result.GetXCosTraceId() << std::endl; | ||
| } | ||
| } | ||
|
|
||
| /* | ||
| * 通过参数形式初始化 CosAPI 对象 | ||
| */ | ||
| qcloud_cos::CosAPI InitCosAPI() { | ||
| qcloud_cos::CosConfig config(appid, tmp_secret_id, tmp_secret_key, region); | ||
| 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 | ||
| qcloud_cos::CosAPI cos_tmp(config); | ||
| return cos_tmp; | ||
| } | ||
|
|
||
| /* | ||
| * 该 Demo 示范如何拷贝一个对象至当前 CosAPI 指定的存储桶中 | ||
| * 最大支持拷贝不超过5GB的对象，支持跨区域复制 | ||
| */ | ||
| void PutObjectCopyDemo(qcloud_cos::CosAPI& cos) { | ||
| std::string object_name = "test_dst.txt"; // 复制目标对象名称 | ||
| std::string source = bucket_name + ".cos." + region + ".myqcloud.com/test.txt"; // 复制源对象 | ||
| qcloud_cos::PutObjectCopyReq req(bucket_name, object_name); | ||
| req.SetXCosCopySource(source); | ||
| qcloud_cos::PutObjectCopyResp resp; | ||
| qcloud_cos::CosResult result = cos.PutObjectCopy(req, &resp); | ||
|
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| std::cout << "===================PutObjectCopyResponse====================" << std::endl; | ||
| PrintResult(result, resp); | ||
| std::cout << "============================================================" << std::endl; | ||
| } | ||
|
|
||
| /* | ||
| * 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 | ||
| * 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 | ||
| * 支持大对象，支持跨区域复制。推荐调用此接口 | ||
| * 通过全局可以设置分块拷贝分块大小 | ||
| */ | ||
| void CopyDemo(qcloud_cos::CosAPI& cos) { | ||
| std::string object_name = "test_dst.txt"; // 复制后对象名称 | ||
| 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 | ||
| // 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 | ||
| CosSysConfig::SetUploadCopyPartSize(20 * 1024 * 1024); | ||
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| qcloud_cos::CopyReq req(bucket_name, object_name); | ||
| qcloud_cos::CopyResp resp; | ||
|
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| req.SetXCosCopySource(source); | ||
| qcloud_cos::CosResult result = cos.Copy(req, &resp); | ||
|
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| std::cout << "===========================Copy=============================" << std::endl; | ||
| PrintResult(result, resp); | ||
| std::cout << "============================================================" << std::endl; | ||
| } | ||
|
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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 | ||
| * 支持大对象移动，但仅支持当前存储桶 | ||
| * 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 | ||
| */ | ||
| void MoveObjectDemo(qcloud_cos::CosAPI& cos) { | ||
| std::string src_object = "test_src.txt"; | ||
| std::string dst_object = "test_dst.txt"; | ||
| 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; | ||
| if (result.IsSucc()) { | ||
| std::cout << "MoveObject Succ." << std::endl; | ||
| } else { | ||
| std::cout << "MoveObject Fail, ErrorMsg: " << result.GetErrorMsg() << std::endl; | ||
| } | ||
| std::cout << "============================================================" << std::endl; | ||
| } | ||
|
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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 | ||
| * 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 | ||
| * 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 | ||
| */ | ||
| void CopyPartDemo(qcloud_cos::CosAPI& cos) { | ||
| std::string dst_object = "test_dst.txt"; | ||
| std::string source = bucket_name + ".cos." + region + ".myqcloud.com/test_src.txt"; // 复制源对象 | ||
|
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| // 1. InitMultiUpload | ||
| qcloud_cos::InitMultiUploadReq init_req(bucket_name, dst_object); | ||
| qcloud_cos::InitMultiUploadResp init_resp; | ||
| qcloud_cos::CosResult init_result = cos.InitMultiUpload(init_req, &init_resp); | ||
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| std::cout << "=====================InitMultiUpload=====================" << std::endl; | ||
| PrintResult(init_result, init_resp); | ||
| std::cout << "=========================================================" << std::endl; | ||
|
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| // 2. UploadPartCopyData | ||
| // 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 | ||
| std::vector<std::string> etags; | ||
| std::vector<uint64_t> part_numbers; | ||
| std::string upload_id = init_resp.GetUploadId(); | ||
| { | ||
| uint64_t part_number = 1; | ||
| qcloud_cos::UploadPartCopyDataReq req(bucket_name, dst_object, upload_id, part_number); | ||
| req.SetXCosCopySource(source); | ||
| req.SetXCosCopySourceRange("bytes=0-104857599"); // 可根据实际选择 range | ||
| qcloud_cos::UploadPartCopyDataResp resp; | ||
| qcloud_cos::CosResult result = cos.UploadPartCopyData(req, &resp); | ||
| std::cout << "==================UploadPartCopyDataResp1=====================" << std::endl; | ||
| PrintResult(result, resp); | ||
| std::cout << "==============================================================" << std::endl; | ||
| if (result.IsSucc()) { | ||
| part_numbers.push_back(1); | ||
| etags.push_back(resp.GetEtag()); | ||
| } | ||
| } | ||
| { | ||
| uint64_t part_number = 2; | ||
| qcloud_cos::UploadPartCopyDataReq req(bucket_name, dst_object, upload_id, part_number); | ||
| req.SetXCosCopySource(source); | ||
| req.SetXCosCopySourceRange("bytes=104857600-209715199"); // 可根据实际选择 range | ||
| qcloud_cos::UploadPartCopyDataResp resp; | ||
| qcloud_cos::CosResult result = cos.UploadPartCopyData(req, &resp); | ||
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| std::cout << "==================UploadPartCopyDataResp2=====================" << std::endl; | ||
| PrintResult(result, resp); | ||
| std::cout << "==============================================================" << std::endl; | ||
| if (result.IsSucc()) { | ||
| part_numbers.push_back(2); | ||
| etags.push_back(resp.GetEtag()); | ||
| } | ||
| } | ||
|
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| // 3. Complete | ||
| CompleteMultiUploadReq comp_req(bucket_name, dst_object, upload_id); | ||
| CompleteMultiUploadResp comp_resp; | ||
|
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| comp_req.SetEtags(etags); | ||
| 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; | ||
| PrintResult(result, comp_resp); | ||
| std::cout << "========================================================" << std::endl; | ||
|
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| return; | ||
| } | ||
| int main() { | ||
| qcloud_cos::CosAPI cos = InitCosAPI(); | ||
| CosSysConfig::SetLogLevel((LOG_LEVEL)COS_LOG_ERR); | ||
| PutObjectCopyDemo(cos); | ||
| CopyDemo(cos); | ||
| MoveObjectDemo(cos); | ||
| CopyPartDemo(cos); | ||
| } |
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