forked from jiuyuan/JYCache
91 lines
3.2 KiB
C++
91 lines
3.2 KiB
C++
/*
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* s3fs - FUSE-based file system backed by Amazon S3
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*
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* Copyright(C) 2007 Randy Rizun <rrizun@gmail.com>
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*/
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#ifndef S3FS_CURL_MULTI_H_
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#define S3FS_CURL_MULTI_H_
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#include <memory>
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#include <vector>
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//----------------------------------------------
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// Typedef
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//----------------------------------------------
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class S3fsCurl;
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typedef std::vector<std::unique_ptr<S3fsCurl>> s3fscurllist_t;
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typedef bool (*S3fsMultiSuccessCallback)(S3fsCurl* s3fscurl, void* param); // callback for succeed multi request
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typedef bool (*S3fsMultiNotFoundCallback)(S3fsCurl* s3fscurl, void* param); // callback for succeed multi request
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typedef std::unique_ptr<S3fsCurl> (*S3fsMultiRetryCallback)(S3fsCurl* s3fscurl); // callback for failure and retrying
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//----------------------------------------------
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// class S3fsMultiCurl
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//----------------------------------------------
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class S3fsMultiCurl
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{
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private:
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const int maxParallelism;
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s3fscurllist_t clist_all; // all of curl requests
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s3fscurllist_t clist_req; // curl requests are sent
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bool not_abort; // complete all requests without aborting on errors
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S3fsMultiSuccessCallback SuccessCallback;
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S3fsMultiNotFoundCallback NotFoundCallback;
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S3fsMultiRetryCallback RetryCallback;
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void* pSuccessCallbackParam;
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void* pNotFoundCallbackParam;
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pthread_mutex_t completed_tids_lock;
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std::vector<pthread_t> completed_tids;
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private:
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bool ClearEx(bool is_all);
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int MultiPerform();
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int MultiRead();
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static void* RequestPerformWrapper(void* arg);
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public:
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explicit S3fsMultiCurl(int maxParallelism, bool not_abort = false);
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~S3fsMultiCurl();
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int GetMaxParallelism() const { return maxParallelism; }
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S3fsMultiSuccessCallback SetSuccessCallback(S3fsMultiSuccessCallback function);
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S3fsMultiNotFoundCallback SetNotFoundCallback(S3fsMultiNotFoundCallback function);
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S3fsMultiRetryCallback SetRetryCallback(S3fsMultiRetryCallback function);
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void* SetSuccessCallbackParam(void* param);
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void* SetNotFoundCallbackParam(void* param);
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bool Clear() { return ClearEx(true); }
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bool SetS3fsCurlObject(std::unique_ptr<S3fsCurl> s3fscurl);
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int Request();
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};
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#endif // S3FS_CURL_MULTI_H_
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/*
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* Local variables:
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* tab-width: 4
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* c-basic-offset: 4
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* End:
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* vim600: expandtab sw=4 ts=4 fdm=marker
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* vim<600: expandtab sw=4 ts=4
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*/
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