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XrdApps::JCache: restructure source directories - make readV,read/pgR…
…ead completely asynchronous functions using response handlers
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src/XrdApps/XrdClJCachePlugin/handler/XrdClJCacheReadHandler.hh
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| //------------------------------------------------------------------------------ | ||
| // Copyright (c) 2024 by European Organization for Nuclear Research (CERN) | ||
| // Author: Andreas-Joachim Peters <andreas.joachim.peters@cern.ch> | ||
| //------------------------------------------------------------------------------ | ||
| // This file is part of the XRootD software suite. | ||
| // | ||
| // XRootD is free software: you can redistribute it and/or modify | ||
| // it under the terms of the GNU Lesser General Public License as published by | ||
| // the Free Software Foundation, either version 3 of the License, or | ||
| // (at your option) any later version. | ||
| // | ||
| // XRootD is distributed in the hope that it will be useful, | ||
| // but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
| // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
| // GNU General Public License for more details. | ||
| // | ||
| // You should have received a copy of the GNU Lesser General Public License | ||
| // along with XRootD. If not, see <http://www.gnu.org/licenses/>. | ||
| // | ||
| // In applying this licence, CERN does not waive the privileges and immunities | ||
| // granted to it by virtue of its status as an Intergovernmental Organization | ||
| // or submit itself to any jurisdiction. | ||
|
|
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| #pragma once | ||
| /*----------------------------------------------------------------------------*/ | ||
| #include "XrdCl/XrdClFile.hh" | ||
| #include "XrdCl/XrdClXRootDResponses.hh" | ||
| /*----------------------------------------------------------------------------*/ | ||
| #include "cache/Journal.hh" | ||
| /*----------------------------------------------------------------------------*/ | ||
|
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| namespace XrdCl { | ||
|
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| class JCacheReadHandler : public XrdCl::ResponseHandler | ||
| // ---------------------------------------------------------------------- // | ||
| { | ||
| public: | ||
| JCacheReadHandler() { } | ||
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| JCacheReadHandler(JCacheReadHandler* other) { | ||
| rbytes = other->rbytes; | ||
| journal = other->journal; | ||
| } | ||
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| JCacheReadHandler(XrdCl::ResponseHandler* handler, | ||
| std::atomic<uint64_t>* rbytes, | ||
| Journal* journal) : handler(handler), rbytes(rbytes), journal(journal) {} | ||
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| virtual ~JCacheReadHandler() {} | ||
|
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| virtual void HandleResponse(XrdCl::XRootDStatus* pStatus, | ||
| XrdCl::AnyObject* pResponse) { | ||
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| XrdCl::PageInfo* pageInfo; | ||
| if (pStatus->IsOK()) { | ||
| if (pResponse) { | ||
| pResponse->Get(pageInfo); | ||
| // store successfull reads in the journal | ||
| if (journal) journal->pwrite(pageInfo->GetBuffer(), pageInfo->GetLength(), pageInfo->GetOffset()); | ||
| *rbytes+= pageInfo->GetLength(); | ||
| } | ||
| } | ||
| handler->HandleResponse(pStatus, pResponse); | ||
| } | ||
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| XrdCl::ResponseHandler* handler; | ||
| std::atomic<uint64_t>* rbytes; | ||
| Journal* journal; | ||
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| }; | ||
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| } // namespace XrdCl |
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