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  • Committer: Michi Henning
  • Date: 2016-01-04 11:36:43 UTC
  • mfrom: (325.1.1 exponential-backoff)
  • Revision ID: michi.henning@canonical.com-20160104113643-c4ip8obict2kyjz3
Michi Henning 2016-01-04 Added exponential backoff for unexpected server errors.

Merging by hand, now that Jenkins has been turned off.

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include/internal/thumbnailer.h
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#pragma once
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#include <internal/artdownloader.h>
 
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#include <internal/backoff_adjuster.h>
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#include <internal/cachehelper.h>
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#include <QObject>
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    PersistentCacheHelper::UPtr failure_cache_;           // Cache for failed attempts (value is always empty).
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    int max_size_;                                        // Max thumbnail size in pixels.
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    int retry_not_found_hours_;                           // Retry wait time for authoritative "no artwork" answer.
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    int retry_error_hours_;                               // Retry wait time for unexpected server errors.
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    std::chrono::milliseconds extraction_timeout_;        // How long to wait before giving up during extraction.
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    std::chrono::system_clock::time_point nw_fail_time_;  // Last time we had transient network error.
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    std::unique_ptr<ArtDownloader> downloader_;
 
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    BackoffAdjuster backoff_;
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    friend class RequestBase;
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};