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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,182 @@ | ||
| /* | ||
| * Copyright (c) 2020 NetEase Inc. | ||
| * | ||
| * Licensed under the Apache License, Version 2.0 (the "License"); | ||
| * you may not use this file except in compliance with the License. | ||
| * You may obtain a copy of the License at | ||
| * | ||
| * http://www.apache.org/licenses/LICENSE-2.0 | ||
| * | ||
| * Unless required by applicable law or agreed to in writing, software | ||
| * distributed under the License is distributed on an "AS IS" BASIS, | ||
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| * See the License for the specific language governing permissions and | ||
| * limitations under the License. | ||
| */ | ||
|
|
||
| /** | ||
| * Project: curve | ||
| * File Created: 2020-12-23 | ||
| * Author: wanghai01 | ||
| */ | ||
|
|
||
| #include "src/client/source_reader.h" | ||
|
|
||
| namespace curve { | ||
| namespace client { | ||
|
|
||
| struct CurveAioCombineContext { | ||
| RequestClosure* done; | ||
| CurveAioContext curveCtx; | ||
| }; | ||
|
|
||
| void CurveAioCallback(struct CurveAioContext* context) { | ||
| auto curveCombineCtx = reinterpret_cast<CurveAioCombineContext *>( | ||
| reinterpret_cast<char *>(context) - | ||
| offsetof(CurveAioCombineContext, curveCtx)); | ||
| RequestClosure* done = curveCombineCtx->done; | ||
| if (context->ret < 0) { | ||
| done->SetFailed(LIBCURVE_ERROR::FAILED); | ||
| } else { | ||
| done->SetFailed(LIBCURVE_ERROR::OK); | ||
| } | ||
|
|
||
| delete curveCombineCtx; | ||
| brpc::ClosureGuard doneGuard(done); | ||
| } | ||
|
|
||
| SourceReader::SourceReader() : fileClient_(new FileClient()) {} | ||
|
|
||
| SourceReader::~SourceReader() { | ||
| Stop(); | ||
| Uinit(); | ||
| } | ||
|
|
||
| void SourceReader::Run() { | ||
| if (!running_) { | ||
| running_ = true; | ||
| fdCloseThread_ = std::thread(&SourceReader::Closefd, this); | ||
| LOG(INFO) << "SourceReader fdCloseThread run successfully"; | ||
| } else { | ||
| LOG(WARNING) << "SourceReader fdCloseThread is running!"; | ||
| } | ||
| } | ||
|
|
||
| void SourceReader::Stop() { | ||
| if (running_) { | ||
| running_ = false; | ||
| sleeper_.interrupt(); | ||
| fdCloseThread_.join(); | ||
| LOG(INFO) << "SourceReader fdCloseThread stoped successfully"; | ||
| } | ||
| } | ||
|
|
||
| int SourceReader::Init(const std::string& configPath) { | ||
| if (inited_) { | ||
| LOG(WARNING) << "SourceReader already inited!"; | ||
| return 0; | ||
| } | ||
|
|
||
| if (LIBCURVE_ERROR::OK == fileClient_->Init(configPath)) { | ||
| inited_ = true; | ||
| return LIBCURVE_ERROR::OK; | ||
| } | ||
| return -LIBCURVE_ERROR::FAILED; | ||
| } | ||
|
|
||
| void SourceReader::Uinit() { | ||
| if (!inited_) { | ||
| LOG(WARNING) << "SourceReader not inited!"; | ||
| return; | ||
| } | ||
| if (fileClient_ != nullptr) { | ||
| for (auto &pair : fdMap_) { | ||
| fileClient_->Close(pair.second.first); | ||
| } | ||
| fdMap_.clear(); | ||
| fileClient_->UnInit(); | ||
| delete fileClient_; | ||
| fileClient_ = nullptr; | ||
| inited_ = false; | ||
| } | ||
| } | ||
|
|
||
| SourceReader& SourceReader::GetInstance() { | ||
| static SourceReader originReader; | ||
| return originReader; | ||
| } | ||
|
|
||
| int SourceReader::Read(std::vector<RequestContext*> reqCtxVec, | ||
| const UserInfo_t& userInfo) { | ||
| if (reqCtxVec.size() <= 0) { | ||
| return 0; | ||
| } | ||
|
|
||
| for (auto reqCtx : reqCtxVec) { | ||
| brpc::ClosureGuard doneGuard(reqCtx->done_); | ||
| std::string fileName = reqCtx->sourceInfo_.cloneFileSource; | ||
| int fd = 0; | ||
| { | ||
| curve::common::WriteLockGuard writeLockGuard(rwLock_); | ||
| auto iter = fdMap_.find(fileName); | ||
| if (iter != fdMap_.end()) { | ||
| fd = iter->second.first; | ||
| } else { | ||
| fd = fileClient_->Open4ReadOnly(fileName, userInfo); | ||
| if (fd < 0) { | ||
| LOG(ERROR) << "Open curve file failed." | ||
| << "file name: " << fileName | ||
| << " ,return code: " << fd; | ||
| return -1; | ||
| } | ||
| } | ||
| fdMap_[fileName] = std::make_pair(fd, time(0)); | ||
| } | ||
| CurveAioCombineContext *curveCombineCtx = new CurveAioCombineContext(); | ||
| curveCombineCtx->done = reqCtx->done_; | ||
| curveCombineCtx->curveCtx.offset = reqCtx->sourceInfo_.cloneFileOffset | ||
| + reqCtx->offset_; | ||
| curveCombineCtx->curveCtx.length = reqCtx->rawlength_; | ||
| curveCombineCtx->curveCtx.buf = &reqCtx->readData_; | ||
| curveCombineCtx->curveCtx.op = LIBCURVE_OP::LIBCURVE_OP_READ; | ||
| curveCombineCtx->curveCtx.cb = CurveAioCallback; | ||
|
|
||
| int ret = fileClient_->AioRead(fd, &curveCombineCtx->curveCtx, | ||
| UserDataType::IOBuffer); | ||
| if (ret != LIBCURVE_ERROR::OK) { | ||
| LOG(ERROR) << "Read curve file failed." | ||
| << "file name: " << fileName | ||
| << " ,error code: " << ret; | ||
| delete curveCombineCtx; | ||
| return -1; | ||
| } else { | ||
| doneGuard.release(); | ||
| } | ||
| } | ||
| return 0; | ||
| } | ||
|
|
||
| int SourceReader::Closefd() { | ||
| while (running_) { | ||
| { | ||
| curve::common::WriteLockGuard writeLockGuard(rwLock_); | ||
| for (auto iter = fdMap_.begin(); iter != fdMap_.end();) { | ||
| int fd = iter->second.first; | ||
| time_t timestamp = iter->second.second; | ||
| if (time(0) - timestamp > fileClient_->GetClientConfig().GetFileServiceOption(). | ||
| ioOpt.closeFdThreadOption.fdTimeout) { | ||
| fileClient_->Close(fd); | ||
| iter = fdMap_.erase(iter); | ||
| } else { | ||
| iter++; | ||
| } | ||
| } | ||
| } | ||
|
|
||
| sleeper_.wait_for(std::chrono::seconds(fileClient_->GetClientConfig(). | ||
| GetFileServiceOption().ioOpt.closeFdThreadOption.fdCloseTimeInterval)); | ||
| } | ||
| } | ||
|
|
||
| } // namespace client | ||
| } // namespace curve |
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