blob: 15e12df2b1fb2e401f7f6b4ff275c824e14d0ede [file]
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<compoundname>retry_util.h</compoundname>
<includes local="no">chrono</includes>
<includes local="no">cstdint</includes>
<includes local="no">functional</includes>
<includes local="no">optional</includes>
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<includes local="no">utility</includes>
<includes refid="iceberg__export_8h" local="yes">iceberg/iceberg_export.h</includes>
<includes refid="result_8h" local="yes">iceberg/result.h</includes>
<includes refid="macros_8h" local="yes">iceberg/util/macros.h</includes>
<includedby refid="task__group_8h" local="yes">iceberg/util/task_group.h</includedby>
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<label>iceberg/util/retry_util.h</label>
<link refid="retry__util_8h"/>
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<label>cassert</label>
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<label>chrono</label>
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<label>concepts</label>
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<label>cstdint</label>
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<label>iceberg/util/task_group.h</label>
<link refid="task__group_8h"/>
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<innerclass refid="structiceberg_1_1RetryConfig" prot="public">iceberg::RetryConfig</innerclass>
<innerclass refid="classiceberg_1_1detail_1_1RetryRunnerBase" prot="public">iceberg::detail::RetryRunnerBase</innerclass>
<innerclass refid="structiceberg_1_1retry_1_1RetryPolicy" prot="protected">iceberg::retry::RetryPolicy</innerclass>
<innerclass refid="classiceberg_1_1RetryRunner" prot="public">iceberg::RetryRunner</innerclass>
<innernamespace refid="namespaceiceberg">iceberg</innernamespace>
<innernamespace refid="namespaceiceberg_1_1detail">iceberg::detail</innernamespace>
<innernamespace refid="namespaceiceberg_1_1retry">iceberg::retry</innernamespace>
<briefdescription>
<para>Provide retry policy and runner utilities. </para>
</briefdescription>
<detaileddescription>
</detaileddescription>
<programlisting>
<codeline lineno="1"><highlight class="comment">/*</highlight></codeline>
<codeline lineno="2"><highlight class="comment"><sp/>*<sp/>Licensed<sp/>to<sp/>the<sp/>Apache<sp/>Software<sp/>Foundation<sp/>(ASF)<sp/>under<sp/>one</highlight></codeline>
<codeline lineno="3"><highlight class="comment"><sp/>*<sp/>or<sp/>more<sp/>contributor<sp/>license<sp/>agreements.<sp/><sp/>See<sp/>the<sp/>NOTICE<sp/>file</highlight></codeline>
<codeline lineno="4"><highlight class="comment"><sp/>*<sp/>distributed<sp/>with<sp/>this<sp/>work<sp/>for<sp/>additional<sp/>information</highlight></codeline>
<codeline lineno="5"><highlight class="comment"><sp/>*<sp/>regarding<sp/>copyright<sp/>ownership.<sp/><sp/>The<sp/>ASF<sp/>licenses<sp/>this<sp/>file</highlight></codeline>
<codeline lineno="6"><highlight class="comment"><sp/>*<sp/>to<sp/>you<sp/>under<sp/>the<sp/>Apache<sp/>License,<sp/>Version<sp/>2.0<sp/>(the</highlight></codeline>
<codeline lineno="7"><highlight class="comment"><sp/>*<sp/>&quot;License&quot;);<sp/>you<sp/>may<sp/>not<sp/>use<sp/>this<sp/>file<sp/>except<sp/>in<sp/>compliance</highlight></codeline>
<codeline lineno="8"><highlight class="comment"><sp/>*<sp/>with<sp/>the<sp/>License.<sp/><sp/>You<sp/>may<sp/>obtain<sp/>a<sp/>copy<sp/>of<sp/>the<sp/>License<sp/>at</highlight></codeline>
<codeline lineno="9"><highlight class="comment"><sp/>*</highlight></codeline>
<codeline lineno="10"><highlight class="comment"><sp/>*<sp/><sp/><sp/>http://www.apache.org/licenses/LICENSE-2.0</highlight></codeline>
<codeline lineno="11"><highlight class="comment"><sp/>*</highlight></codeline>
<codeline lineno="12"><highlight class="comment"><sp/>*<sp/>Unless<sp/>required<sp/>by<sp/>applicable<sp/>law<sp/>or<sp/>agreed<sp/>to<sp/>in<sp/>writing,</highlight></codeline>
<codeline lineno="13"><highlight class="comment"><sp/>*<sp/>software<sp/>distributed<sp/>under<sp/>the<sp/>License<sp/>is<sp/>distributed<sp/>on<sp/>an</highlight></codeline>
<codeline lineno="14"><highlight class="comment"><sp/>*<sp/>&quot;AS<sp/>IS&quot;<sp/>BASIS,<sp/>WITHOUT<sp/>WARRANTIES<sp/>OR<sp/>CONDITIONS<sp/>OF<sp/>ANY</highlight></codeline>
<codeline lineno="15"><highlight class="comment"><sp/>*<sp/>KIND,<sp/>either<sp/>express<sp/>or<sp/>implied.<sp/><sp/>See<sp/>the<sp/>License<sp/>for<sp/>the</highlight></codeline>
<codeline lineno="16"><highlight class="comment"><sp/>*<sp/>specific<sp/>language<sp/>governing<sp/>permissions<sp/>and<sp/>limitations</highlight></codeline>
<codeline lineno="17"><highlight class="comment"><sp/>*<sp/>under<sp/>the<sp/>License.</highlight></codeline>
<codeline lineno="18"><highlight class="comment"><sp/>*/</highlight><highlight class="normal"></highlight></codeline>
<codeline lineno="19"><highlight class="normal"></highlight></codeline>
<codeline lineno="20"><highlight class="normal"></highlight><highlight class="preprocessor">#pragma<sp/>once</highlight><highlight class="normal"></highlight></codeline>
<codeline lineno="21"><highlight class="normal"></highlight></codeline>
<codeline lineno="24"><highlight class="normal"></highlight></codeline>
<codeline lineno="25"><highlight class="normal"></highlight><highlight class="preprocessor">#include<sp/>&lt;chrono&gt;</highlight><highlight class="normal"></highlight></codeline>
<codeline lineno="26"><highlight class="normal"></highlight><highlight class="preprocessor">#include<sp/>&lt;cstdint&gt;</highlight><highlight class="normal"></highlight></codeline>
<codeline lineno="27"><highlight class="normal"></highlight><highlight class="preprocessor">#include<sp/>&lt;functional&gt;</highlight><highlight class="normal"></highlight></codeline>
<codeline lineno="28"><highlight class="normal"></highlight><highlight class="preprocessor">#include<sp/>&lt;optional&gt;</highlight><highlight class="normal"></highlight></codeline>
<codeline lineno="29"><highlight class="normal"></highlight><highlight class="preprocessor">#include<sp/>&lt;type_traits&gt;</highlight><highlight class="normal"></highlight></codeline>
<codeline lineno="30"><highlight class="normal"></highlight><highlight class="preprocessor">#include<sp/>&lt;utility&gt;</highlight><highlight class="normal"></highlight></codeline>
<codeline lineno="31"><highlight class="normal"></highlight></codeline>
<codeline lineno="32"><highlight class="normal"></highlight><highlight class="preprocessor">#include<sp/>&quot;<ref refid="iceberg__export_8h" kindref="compound">iceberg/iceberg_export.h</ref>&quot;</highlight><highlight class="normal"></highlight></codeline>
<codeline lineno="33"><highlight class="normal"></highlight><highlight class="preprocessor">#include<sp/>&quot;<ref refid="result_8h" kindref="compound">iceberg/result.h</ref>&quot;</highlight><highlight class="normal"></highlight></codeline>
<codeline lineno="34"><highlight class="normal"></highlight><highlight class="preprocessor">#include<sp/>&quot;<ref refid="macros_8h" kindref="compound">iceberg/util/macros.h</ref>&quot;</highlight><highlight class="normal"></highlight></codeline>
<codeline lineno="35"><highlight class="normal"></highlight></codeline>
<codeline lineno="36"><highlight class="normal"></highlight><highlight class="keyword">namespace<sp/></highlight><highlight class="normal"><ref refid="namespaceiceberg" kindref="compound">iceberg</ref><sp/>{</highlight></codeline>
<codeline lineno="37"><highlight class="normal"></highlight></codeline>
<codeline lineno="38"><highlight class="normal"></highlight><highlight class="keyword">namespace<sp/></highlight><highlight class="normal">detail<sp/>{</highlight></codeline>
<codeline lineno="39"><highlight class="normal"></highlight></codeline>
<codeline lineno="40"><highlight class="normal"></highlight><highlight class="keyword">template</highlight><highlight class="normal"><sp/>&lt;</highlight><highlight class="keyword">typename</highlight><highlight class="normal"><sp/>F&gt;</highlight></codeline>
<codeline lineno="41" refid="concepticeberg_1_1detail_1_1RetryTask" refkind="compound"><highlight class="normal"></highlight><highlight class="keyword">concept<sp/></highlight><highlight class="normal"><ref refid="concepticeberg_1_1detail_1_1RetryTask" kindref="compound">RetryTask</ref><sp/>=<sp/><ref refid="concepticeberg_1_1AsResult" kindref="compound">AsResult&lt;std::invoke_result_t&lt;F&amp;&gt;</ref>&gt;;</highlight></codeline>
<codeline lineno="42"><highlight class="normal"></highlight></codeline>
<codeline lineno="43"><highlight class="normal">}<sp/><sp/></highlight><highlight class="comment">//<sp/>namespace<sp/>detail</highlight><highlight class="normal"></highlight></codeline>
<codeline lineno="44"><highlight class="normal"></highlight></codeline>
<codeline lineno="46" refid="structiceberg_1_1RetryConfig" refkind="compound"><highlight class="keyword">struct<sp/></highlight><highlight class="normal">ICEBERG_EXPORT<sp/><ref refid="structiceberg_1_1RetryConfig" kindref="compound">RetryConfig</ref><sp/>{</highlight></codeline>
<codeline lineno="48" refid="structiceberg_1_1RetryConfig_1a0d4e08f7e74793956080ddb66c797602" refkind="member"><highlight class="normal"><sp/><sp/>int32_t<sp/>num_retries<sp/>=<sp/>4;</highlight></codeline>
<codeline lineno="50" refid="structiceberg_1_1RetryConfig_1ae803735b161f9c2eb4478c2b5fa043c4" refkind="member"><highlight class="normal"><sp/><sp/>int32_t<sp/>min_wait_ms<sp/>=<sp/>100;</highlight></codeline>
<codeline lineno="52" refid="structiceberg_1_1RetryConfig_1a11a1892d24142aaa9fb5385576cb7b81" refkind="member"><highlight class="normal"><sp/><sp/>int32_t<sp/>max_wait_ms<sp/>=<sp/>60<sp/>*<sp/>1000;<sp/><sp/></highlight><highlight class="comment">//<sp/>1<sp/>minute</highlight></codeline>
<codeline lineno="54" refid="structiceberg_1_1RetryConfig_1a263c3683a4e87e62f70a256d0eb83f7a" refkind="member"><highlight class="normal"><sp/><sp/>int32_t<sp/>total_timeout_ms<sp/>=<sp/>30<sp/>*<sp/>60<sp/>*<sp/>1000;<sp/><sp/></highlight><highlight class="comment">//<sp/>30<sp/>minutes</highlight></codeline>
<codeline lineno="56" refid="structiceberg_1_1RetryConfig_1a98f14caf3962c28f8a43eaecffcf3bc9" refkind="member"><highlight class="normal"><sp/><sp/></highlight><highlight class="keywordtype">double</highlight><highlight class="normal"><sp/>scale_factor<sp/>=<sp/>2.0;</highlight></codeline>
<codeline lineno="57"><highlight class="normal">};</highlight></codeline>
<codeline lineno="58"><highlight class="normal"></highlight></codeline>
<codeline lineno="59"><highlight class="normal"></highlight><highlight class="keyword">namespace<sp/></highlight><highlight class="normal">detail<sp/>{</highlight></codeline>
<codeline lineno="60"><highlight class="normal"></highlight></codeline>
<codeline lineno="61" refid="classiceberg_1_1detail_1_1RetryRunnerBase" refkind="compound"><highlight class="normal"></highlight><highlight class="keyword">class<sp/></highlight><highlight class="normal">ICEBERG_EXPORT<sp/><ref refid="classiceberg_1_1detail_1_1RetryRunnerBase" kindref="compound">RetryRunnerBase</ref><sp/>{</highlight></codeline>
<codeline lineno="62"><highlight class="normal"><sp/></highlight><highlight class="keyword">protected</highlight><highlight class="normal">:</highlight></codeline>
<codeline lineno="63"><highlight class="normal"><sp/><sp/></highlight><highlight class="keyword">explicit</highlight><highlight class="normal"><sp/><ref refid="classiceberg_1_1detail_1_1RetryRunnerBase" kindref="compound">RetryRunnerBase</ref>(<ref refid="structiceberg_1_1RetryConfig" kindref="compound">RetryConfig</ref><sp/>config)<sp/>:<sp/>config_(std::move(config))<sp/>{}</highlight></codeline>
<codeline lineno="64"><highlight class="normal"></highlight></codeline>
<codeline lineno="65"><highlight class="normal"><sp/><sp/></highlight><highlight class="keyword">using<sp/></highlight><highlight class="normal">Clock<sp/>=<sp/>std::chrono::steady_clock;</highlight></codeline>
<codeline lineno="66"><highlight class="normal"><sp/><sp/></highlight><highlight class="keyword">using<sp/></highlight><highlight class="normal">Duration<sp/>=<sp/>std::chrono::milliseconds;</highlight></codeline>
<codeline lineno="67"><highlight class="normal"><sp/><sp/></highlight><highlight class="keyword">using<sp/></highlight><highlight class="normal">TimePoint<sp/>=<sp/>Clock::time_point;</highlight></codeline>
<codeline lineno="68"><highlight class="normal"></highlight></codeline>
<codeline lineno="70" refid="classiceberg_1_1detail_1_1RetryRunnerBase_1a1f30c3527a3d9ca1942c247976ec9dae" refkind="member"><highlight class="normal"><sp/><sp/>Status<sp/><ref refid="classiceberg_1_1detail_1_1RetryRunnerBase_1a1f30c3527a3d9ca1942c247976ec9dae" kindref="member">ValidateConfig</ref>()<sp/></highlight><highlight class="keyword">const</highlight><highlight class="normal">;</highlight></codeline>
<codeline lineno="71"><highlight class="normal"><sp/><sp/>std::optional&lt;TimePoint&gt;<sp/>ComputeDeadline()<sp/></highlight><highlight class="keyword">const</highlight><highlight class="normal">;</highlight></codeline>
<codeline lineno="72"><highlight class="normal"><sp/><sp/></highlight><highlight class="keywordtype">bool</highlight><highlight class="normal"><sp/>HasTimedOut(</highlight><highlight class="keyword">const</highlight><highlight class="normal"><sp/>std::optional&lt;TimePoint&gt;&amp;<sp/>deadline)<sp/></highlight><highlight class="keyword">const</highlight><highlight class="normal">;</highlight></codeline>
<codeline lineno="73"><highlight class="normal"><sp/><sp/>std::optional&lt;Duration&gt;<sp/>RetryDelayWithinBudget(</highlight></codeline>
<codeline lineno="74"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/>int32_t<sp/>attempt,<sp/></highlight><highlight class="keyword">const</highlight><highlight class="normal"><sp/>std::optional&lt;TimePoint&gt;&amp;<sp/>deadline)<sp/></highlight><highlight class="keyword">const</highlight><highlight class="normal">;</highlight></codeline>
<codeline lineno="75"><highlight class="normal"><sp/><sp/></highlight><highlight class="keywordtype">bool</highlight><highlight class="normal"><sp/>WaitForNextAttempt(int32_t<sp/>attempt,</highlight></codeline>
<codeline lineno="76"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/></highlight><highlight class="keyword">const</highlight><highlight class="normal"><sp/>std::optional&lt;TimePoint&gt;&amp;<sp/>deadline)<sp/></highlight><highlight class="keyword">const</highlight><highlight class="normal">;</highlight></codeline>
<codeline lineno="78" refid="classiceberg_1_1detail_1_1RetryRunnerBase_1ae12f8a06d8732da3241618b0106349f2" refkind="member"><highlight class="normal"><sp/><sp/>int32_t<sp/><ref refid="classiceberg_1_1detail_1_1RetryRunnerBase_1ae12f8a06d8732da3241618b0106349f2" kindref="member">CalculateDelay</ref>(int32_t<sp/>attempt)<sp/></highlight><highlight class="keyword">const</highlight><highlight class="normal">;</highlight></codeline>
<codeline lineno="79"><highlight class="normal"></highlight></codeline>
<codeline lineno="80"><highlight class="normal"><sp/><sp/><ref refid="structiceberg_1_1RetryConfig" kindref="compound">RetryConfig</ref><sp/>config_;</highlight></codeline>
<codeline lineno="81"><highlight class="normal">};</highlight></codeline>
<codeline lineno="82"><highlight class="normal"></highlight></codeline>
<codeline lineno="83"><highlight class="normal">}<sp/><sp/></highlight><highlight class="comment">//<sp/>namespace<sp/>detail</highlight><highlight class="normal"></highlight></codeline>
<codeline lineno="84"><highlight class="normal"></highlight></codeline>
<codeline lineno="85" refid="namespaceiceberg_1_1retry" refkind="compound"><highlight class="normal"></highlight><highlight class="keyword">namespace<sp/></highlight><highlight class="normal">retry<sp/>{</highlight></codeline>
<codeline lineno="86"><highlight class="normal"></highlight></codeline>
<codeline lineno="87"><highlight class="normal"></highlight><highlight class="keyword">enum<sp/>class</highlight><highlight class="normal"><sp/>RetryPolicyMode<sp/>{</highlight></codeline>
<codeline lineno="88"><highlight class="normal"><sp/><sp/>kNoRetry,</highlight></codeline>
<codeline lineno="89"><highlight class="normal"><sp/><sp/>kOnlyRetryOn,</highlight></codeline>
<codeline lineno="90"><highlight class="normal"><sp/><sp/>kStopRetryOn,</highlight></codeline>
<codeline lineno="91"><highlight class="normal">};</highlight></codeline>
<codeline lineno="92"><highlight class="normal"></highlight></codeline>
<codeline lineno="93"><highlight class="normal"></highlight><highlight class="keyword">template</highlight><highlight class="normal"><sp/>&lt;RetryPolicyMode<sp/>Mode,<sp/><ref refid="namespaceiceberg_1a5cf8d9de1acce830ff4fc3d87fe95147" kindref="member">ErrorKind</ref>...<sp/>Kinds&gt;</highlight></codeline>
<codeline lineno="94" refid="structiceberg_1_1retry_1_1RetryPolicy" refkind="compound"><highlight class="normal"></highlight><highlight class="keyword">struct<sp/></highlight><highlight class="normal"><ref refid="structiceberg_1_1retry_1_1RetryPolicy" kindref="compound">RetryPolicy</ref><sp/>{</highlight></codeline>
<codeline lineno="95"><highlight class="normal"><sp/><sp/></highlight><highlight class="keyword">static_assert</highlight><highlight class="normal">(Mode<sp/>!=<sp/>RetryPolicyMode::kNoRetry<sp/>||<sp/></highlight><highlight class="keyword">sizeof</highlight><highlight class="normal">...(Kinds)<sp/>==<sp/>0,</highlight></codeline>
<codeline lineno="96"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/></highlight><highlight class="stringliteral">&quot;NoRetry<sp/>must<sp/>not<sp/>include<sp/>error<sp/>kinds&quot;</highlight><highlight class="normal">);</highlight></codeline>
<codeline lineno="97"><highlight class="normal"><sp/><sp/></highlight><highlight class="keyword">static_assert</highlight><highlight class="normal">(Mode<sp/>==<sp/>RetryPolicyMode::kNoRetry<sp/>||<sp/></highlight><highlight class="keyword">sizeof</highlight><highlight class="normal">...(Kinds)<sp/>&gt;<sp/>0,</highlight></codeline>
<codeline lineno="98"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/></highlight><highlight class="stringliteral">&quot;RetryPolicy<sp/>must<sp/>include<sp/>at<sp/>least<sp/>one<sp/>error<sp/>kind&quot;</highlight><highlight class="normal">);</highlight></codeline>
<codeline lineno="99"><highlight class="normal"></highlight></codeline>
<codeline lineno="100"><highlight class="normal"><sp/><sp/></highlight><highlight class="keyword">static</highlight><highlight class="normal"><sp/></highlight><highlight class="keyword">constexpr</highlight><highlight class="normal"><sp/>RetryPolicyMode<sp/>kMode<sp/>=<sp/>Mode;</highlight></codeline>
<codeline lineno="101"><highlight class="normal"><sp/><sp/></highlight><highlight class="keyword">static</highlight><highlight class="normal"><sp/></highlight><highlight class="keyword">constexpr</highlight><highlight class="normal"><sp/></highlight><highlight class="keywordtype">bool</highlight><highlight class="normal"><sp/>kEnabled<sp/>=<sp/>Mode<sp/>!=<sp/>RetryPolicyMode::kNoRetry;</highlight></codeline>
<codeline lineno="102"><highlight class="normal"></highlight></codeline>
<codeline lineno="103"><highlight class="normal"><sp/><sp/></highlight><highlight class="keyword">static</highlight><highlight class="normal"><sp/></highlight><highlight class="keyword">constexpr</highlight><highlight class="normal"><sp/></highlight><highlight class="keywordtype">bool</highlight><highlight class="normal"><sp/>ShouldRetry(<ref refid="namespaceiceberg_1a5cf8d9de1acce830ff4fc3d87fe95147" kindref="member">ErrorKind</ref><sp/>kind)<sp/>{</highlight></codeline>
<codeline lineno="104"><highlight class="normal"><sp/><sp/><sp/><sp/></highlight><highlight class="keywordflow">if</highlight><highlight class="normal"><sp/></highlight><highlight class="keyword">constexpr</highlight><highlight class="normal"><sp/>(Mode<sp/>==<sp/>RetryPolicyMode::kNoRetry)<sp/>{</highlight></codeline>
<codeline lineno="105"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/></highlight><highlight class="keywordflow">return</highlight><highlight class="normal"><sp/></highlight><highlight class="keyword">false</highlight><highlight class="normal">;</highlight></codeline>
<codeline lineno="106"><highlight class="normal"><sp/><sp/><sp/><sp/>}<sp/></highlight><highlight class="keywordflow">else</highlight><highlight class="normal"><sp/></highlight><highlight class="keywordflow">if</highlight><highlight class="normal"><sp/></highlight><highlight class="keyword">constexpr</highlight><highlight class="normal"><sp/>(Mode<sp/>==<sp/>RetryPolicyMode::kOnlyRetryOn)<sp/>{</highlight></codeline>
<codeline lineno="107"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/></highlight><highlight class="keywordflow">return</highlight><highlight class="normal"><sp/>((kind<sp/>==<sp/>Kinds)<sp/>||<sp/>...);</highlight></codeline>
<codeline lineno="108"><highlight class="normal"><sp/><sp/><sp/><sp/>}<sp/></highlight><highlight class="keywordflow">else</highlight><highlight class="normal"><sp/>{</highlight></codeline>
<codeline lineno="109"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/></highlight><highlight class="keywordflow">return</highlight><highlight class="normal"><sp/>!((kind<sp/>==<sp/>Kinds)<sp/>||<sp/>...);</highlight></codeline>
<codeline lineno="110"><highlight class="normal"><sp/><sp/><sp/><sp/>}</highlight></codeline>
<codeline lineno="111"><highlight class="normal"><sp/><sp/>}</highlight></codeline>
<codeline lineno="112"><highlight class="normal">};</highlight></codeline>
<codeline lineno="113"><highlight class="normal"></highlight></codeline>
<codeline lineno="114"><highlight class="normal"></highlight><highlight class="keyword">using<sp/></highlight><highlight class="normal"><ref refid="structiceberg_1_1retry_1_1RetryPolicy" kindref="compound">NoRetry</ref><sp/>=<sp/><ref refid="structiceberg_1_1retry_1_1RetryPolicy" kindref="compound">RetryPolicy&lt;RetryPolicyMode::kNoRetry&gt;</ref>;</highlight></codeline>
<codeline lineno="115"><highlight class="normal"></highlight></codeline>
<codeline lineno="116"><highlight class="normal"></highlight><highlight class="keyword">template</highlight><highlight class="normal"><sp/>&lt;<ref refid="namespaceiceberg_1a5cf8d9de1acce830ff4fc3d87fe95147" kindref="member">ErrorKind</ref>...<sp/>Kinds&gt;</highlight></codeline>
<codeline lineno="117"><highlight class="normal"></highlight><highlight class="keyword">using<sp/></highlight><highlight class="normal"><ref refid="structiceberg_1_1retry_1_1RetryPolicy" kindref="compound">OnlyRetryOn</ref><sp/>=<sp/><ref refid="structiceberg_1_1retry_1_1RetryPolicy" kindref="compound">RetryPolicy</ref>&lt;RetryPolicyMode::kOnlyRetryOn,<sp/>Kinds...&gt;;</highlight></codeline>
<codeline lineno="118"><highlight class="normal"></highlight></codeline>
<codeline lineno="119"><highlight class="normal"></highlight><highlight class="keyword">template</highlight><highlight class="normal"><sp/>&lt;<ref refid="namespaceiceberg_1a5cf8d9de1acce830ff4fc3d87fe95147" kindref="member">ErrorKind</ref>...<sp/>Kinds&gt;</highlight></codeline>
<codeline lineno="120"><highlight class="normal"></highlight><highlight class="keyword">using<sp/></highlight><highlight class="normal"><ref refid="structiceberg_1_1retry_1_1RetryPolicy" kindref="compound">StopRetryOn</ref><sp/>=<sp/><ref refid="structiceberg_1_1retry_1_1RetryPolicy" kindref="compound">RetryPolicy</ref>&lt;RetryPolicyMode::kStopRetryOn,<sp/>Kinds...&gt;;</highlight></codeline>
<codeline lineno="121"><highlight class="normal"></highlight></codeline>
<codeline lineno="122"><highlight class="normal"></highlight><highlight class="keyword">template</highlight><highlight class="normal"><sp/>&lt;</highlight><highlight class="keyword">typename</highlight><highlight class="normal"><sp/>T&gt;</highlight></codeline>
<codeline lineno="123"><highlight class="normal"></highlight><highlight class="keyword">inline</highlight><highlight class="normal"><sp/></highlight><highlight class="keyword">constexpr</highlight><highlight class="normal"><sp/></highlight><highlight class="keywordtype">bool</highlight><highlight class="normal"><sp/>kIsRetryPolicy<sp/>=<sp/></highlight><highlight class="keyword">false</highlight><highlight class="normal">;</highlight></codeline>
<codeline lineno="124"><highlight class="normal"></highlight></codeline>
<codeline lineno="125"><highlight class="normal"></highlight><highlight class="keyword">template</highlight><highlight class="normal"><sp/>&lt;RetryPolicyMode<sp/>Mode,<sp/><ref refid="namespaceiceberg_1a5cf8d9de1acce830ff4fc3d87fe95147" kindref="member">ErrorKind</ref>...<sp/>Kinds&gt;</highlight></codeline>
<codeline lineno="126"><highlight class="normal"></highlight><highlight class="keyword">inline</highlight><highlight class="normal"><sp/></highlight><highlight class="keyword">constexpr</highlight><highlight class="normal"><sp/></highlight><highlight class="keywordtype">bool</highlight><highlight class="normal"><sp/>kIsRetryPolicy&lt;<ref refid="structiceberg_1_1retry_1_1RetryPolicy" kindref="compound">RetryPolicy</ref>&lt;Mode,<sp/>Kinds...&gt;&gt;<sp/>=<sp/></highlight><highlight class="keyword">true</highlight><highlight class="normal">;</highlight></codeline>
<codeline lineno="127"><highlight class="normal"></highlight></codeline>
<codeline lineno="128"><highlight class="normal"></highlight><highlight class="keyword">template</highlight><highlight class="normal"><sp/>&lt;</highlight><highlight class="keyword">typename</highlight><highlight class="normal"><sp/>T&gt;</highlight></codeline>
<codeline lineno="129" refid="concepticeberg_1_1retry_1_1Policy" refkind="compound"><highlight class="normal"></highlight><highlight class="keyword">concept<sp/></highlight><highlight class="normal"><ref refid="concepticeberg_1_1retry_1_1Policy" kindref="compound">Policy</ref><sp/>=<sp/>kIsRetryPolicy&lt;std::remove_cvref_t&lt;T&gt;&gt;;</highlight></codeline>
<codeline lineno="130"><highlight class="normal"></highlight></codeline>
<codeline lineno="131"><highlight class="normal">}<sp/><sp/></highlight><highlight class="comment">//<sp/>namespace<sp/>retry</highlight><highlight class="normal"></highlight></codeline>
<codeline lineno="132"><highlight class="normal"></highlight></codeline>
<codeline lineno="137"><highlight class="keyword">template</highlight><highlight class="normal"><sp/>&lt;retry::Policy<sp/>RetryPolicy&gt;</highlight></codeline>
<codeline lineno="138" refid="classiceberg_1_1RetryRunner" refkind="compound"><highlight class="normal"></highlight><highlight class="keyword">class<sp/></highlight><highlight class="normal"><ref refid="classiceberg_1_1RetryRunner" kindref="compound">RetryRunner</ref><sp/>:<sp/></highlight><highlight class="keyword">private</highlight><highlight class="normal"><sp/><ref refid="classiceberg_1_1detail_1_1RetryRunnerBase" kindref="compound">detail::RetryRunnerBase</ref><sp/>{</highlight></codeline>
<codeline lineno="139"><highlight class="normal"><sp/></highlight><highlight class="keyword">public</highlight><highlight class="normal">:</highlight></codeline>
<codeline lineno="141" refid="classiceberg_1_1RetryRunner_1a9b118076d50f2d1e1e4a146cc8ade10b" refkind="member"><highlight class="normal"><sp/><sp/></highlight><highlight class="keyword">explicit</highlight><highlight class="normal"><sp/><ref refid="classiceberg_1_1RetryRunner_1a9b118076d50f2d1e1e4a146cc8ade10b" kindref="member">RetryRunner</ref>(<ref refid="structiceberg_1_1RetryConfig" kindref="compound">RetryConfig</ref><sp/>config<sp/>=<sp/>{})</highlight></codeline>
<codeline lineno="142"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/>:<sp/>detail::RetryRunnerBase(<ref refid="namespacestd" kindref="compound">std</ref>::move(config))<sp/>{}</highlight></codeline>
<codeline lineno="143"><highlight class="normal"></highlight></codeline>
<codeline lineno="149"><highlight class="normal"><sp/><sp/></highlight><highlight class="keyword">template</highlight><highlight class="normal"><sp/>&lt;detail::RetryTask<sp/>F&gt;</highlight></codeline>
<codeline lineno="150" refid="classiceberg_1_1RetryRunner_1a65a494c3e49ab9ed72bec7b12fb33e0c" refkind="member"><highlight class="normal"><sp/><sp/></highlight><highlight class="keyword">auto</highlight><highlight class="normal"><sp/><ref refid="classiceberg_1_1RetryRunner_1a65a494c3e49ab9ed72bec7b12fb33e0c" kindref="member">Run</ref>(F&amp;&amp;<sp/>task,<sp/>int32_t*<sp/>attempt_counter<sp/>=<sp/></highlight><highlight class="keyword">nullptr</highlight><highlight class="normal">)</highlight></codeline>
<codeline lineno="151"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/>-&gt;<sp/>std::remove_cvref_t&lt;std::invoke_result_t&lt;F&amp;&gt;&gt;<sp/>{</highlight></codeline>
<codeline lineno="152"><highlight class="normal"><sp/><sp/><sp/><sp/>ICEBERG_RETURN_UNEXPECTED(ValidatePolicyConfig());</highlight></codeline>
<codeline lineno="153"><highlight class="normal"></highlight></codeline>
<codeline lineno="154"><highlight class="normal"><sp/><sp/><sp/><sp/></highlight><highlight class="keyword">const</highlight><highlight class="normal"><sp/></highlight><highlight class="keyword">auto</highlight><highlight class="normal"><sp/>deadline<sp/>=<sp/>this-&gt;ComputeDeadline();</highlight></codeline>
<codeline lineno="155"><highlight class="normal"><sp/><sp/><sp/><sp/>int32_t<sp/>attempt<sp/>=<sp/>0;</highlight></codeline>
<codeline lineno="156"><highlight class="normal"><sp/><sp/><sp/><sp/></highlight><highlight class="keyword">const</highlight><highlight class="normal"><sp/>int32_t<sp/>max_attempts<sp/>=<sp/>this-&gt;config_.num_retries<sp/>+<sp/>1;</highlight></codeline>
<codeline lineno="157"><highlight class="normal"></highlight></codeline>
<codeline lineno="158"><highlight class="normal"><sp/><sp/><sp/><sp/></highlight><highlight class="keywordflow">while</highlight><highlight class="normal"><sp/>(</highlight><highlight class="keyword">true</highlight><highlight class="normal">)<sp/>{</highlight></codeline>
<codeline lineno="159"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/>++attempt;</highlight></codeline>
<codeline lineno="160"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/></highlight><highlight class="keywordflow">if</highlight><highlight class="normal"><sp/>(attempt_counter<sp/>!=<sp/></highlight><highlight class="keyword">nullptr</highlight><highlight class="normal">)<sp/>{</highlight></codeline>
<codeline lineno="161"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/>*attempt_counter<sp/>=<sp/>attempt;</highlight></codeline>
<codeline lineno="162"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/>}</highlight></codeline>
<codeline lineno="163"><highlight class="normal"></highlight></codeline>
<codeline lineno="164"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/></highlight><highlight class="keyword">auto</highlight><highlight class="normal"><sp/>result<sp/>=<sp/>std::invoke(task);</highlight></codeline>
<codeline lineno="165"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/></highlight><highlight class="keywordflow">if</highlight><highlight class="normal"><sp/>(result.has_value())<sp/>{</highlight></codeline>
<codeline lineno="166"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/></highlight><highlight class="keywordflow">return</highlight><highlight class="normal"><sp/>result;</highlight></codeline>
<codeline lineno="167"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/>}</highlight></codeline>
<codeline lineno="168"><highlight class="normal"></highlight></codeline>
<codeline lineno="169"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/></highlight><highlight class="keywordflow">if</highlight><highlight class="normal"><sp/>(!CanRetry(result.error().kind,<sp/>attempt,<sp/>max_attempts,<sp/>deadline))<sp/>{</highlight></codeline>
<codeline lineno="170"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/></highlight><highlight class="keywordflow">return</highlight><highlight class="normal"><sp/>result;</highlight></codeline>
<codeline lineno="171"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/>}</highlight></codeline>
<codeline lineno="172"><highlight class="normal"></highlight></codeline>
<codeline lineno="173"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/></highlight><highlight class="keywordflow">if</highlight><highlight class="normal"><sp/>(!this-&gt;WaitForNextAttempt(attempt,<sp/>deadline))<sp/>{</highlight></codeline>
<codeline lineno="174"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/></highlight><highlight class="keywordflow">return</highlight><highlight class="normal"><sp/>result;</highlight></codeline>
<codeline lineno="175"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/>}</highlight></codeline>
<codeline lineno="176"><highlight class="normal"><sp/><sp/><sp/><sp/>}</highlight></codeline>
<codeline lineno="177"><highlight class="normal"><sp/><sp/>}</highlight></codeline>
<codeline lineno="178"><highlight class="normal"></highlight></codeline>
<codeline lineno="179"><highlight class="normal"><sp/></highlight><highlight class="keyword">private</highlight><highlight class="normal">:</highlight></codeline>
<codeline lineno="180"><highlight class="normal"><sp/><sp/></highlight><highlight class="keyword">using<sp/></highlight><highlight class="normal">TimePoint<sp/>=<sp/>detail::RetryRunnerBase::TimePoint;</highlight></codeline>
<codeline lineno="181"><highlight class="normal"></highlight></codeline>
<codeline lineno="182"><highlight class="normal"><sp/><sp/>Status<sp/>ValidatePolicyConfig()</highlight><highlight class="keyword"><sp/>const<sp/></highlight><highlight class="normal">{</highlight></codeline>
<codeline lineno="183"><highlight class="normal"><sp/><sp/><sp/><sp/></highlight><highlight class="keyword">auto</highlight><highlight class="normal"><sp/>validation<sp/>=<sp/>this-&gt;<ref refid="classiceberg_1_1detail_1_1RetryRunnerBase_1a1f30c3527a3d9ca1942c247976ec9dae" kindref="member">ValidateConfig</ref>();</highlight></codeline>
<codeline lineno="184"><highlight class="normal"><sp/><sp/><sp/><sp/></highlight><highlight class="keywordflow">if</highlight><highlight class="normal"><sp/>(!validation.has_value())<sp/>{</highlight></codeline>
<codeline lineno="185"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/></highlight><highlight class="keywordflow">return</highlight><highlight class="normal"><sp/>validation;</highlight></codeline>
<codeline lineno="186"><highlight class="normal"><sp/><sp/><sp/><sp/>}</highlight></codeline>
<codeline lineno="187"><highlight class="normal"><sp/><sp/><sp/><sp/></highlight><highlight class="keywordflow">if</highlight><highlight class="normal"><sp/>(this-&gt;config_.num_retries<sp/>&gt;<sp/>0<sp/>&amp;&amp;<sp/>!RetryPolicy::kEnabled)<sp/>{</highlight></codeline>
<codeline lineno="188"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/></highlight><highlight class="keywordflow">return</highlight><highlight class="normal"><sp/>InvalidArgument(</highlight><highlight class="stringliteral">&quot;Retry<sp/>policy<sp/>must<sp/>be<sp/>enabled<sp/>when<sp/>num_retries<sp/>&gt;<sp/>0&quot;</highlight><highlight class="normal">);</highlight></codeline>
<codeline lineno="189"><highlight class="normal"><sp/><sp/><sp/><sp/>}</highlight></codeline>
<codeline lineno="190"><highlight class="normal"><sp/><sp/><sp/><sp/></highlight><highlight class="keywordflow">return</highlight><highlight class="normal"><sp/>{};</highlight></codeline>
<codeline lineno="191"><highlight class="normal"><sp/><sp/>}</highlight></codeline>
<codeline lineno="192"><highlight class="normal"></highlight></codeline>
<codeline lineno="193"><highlight class="normal"><sp/><sp/></highlight><highlight class="keywordtype">bool</highlight><highlight class="normal"><sp/>CanRetry(<ref refid="namespaceiceberg_1a5cf8d9de1acce830ff4fc3d87fe95147" kindref="member">ErrorKind</ref><sp/>kind,<sp/>int32_t<sp/>attempt,<sp/>int32_t<sp/>max_attempts,</highlight></codeline>
<codeline lineno="194"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/></highlight><highlight class="keyword">const</highlight><highlight class="normal"><sp/>std::optional&lt;TimePoint&gt;&amp;<sp/>deadline)</highlight><highlight class="keyword"><sp/>const<sp/></highlight><highlight class="normal">{</highlight></codeline>
<codeline lineno="195"><highlight class="normal"><sp/><sp/><sp/><sp/></highlight><highlight class="keywordflow">return</highlight><highlight class="normal"><sp/>attempt<sp/>&lt;<sp/>max_attempts<sp/>&amp;&amp;<sp/>!this-&gt;HasTimedOut(deadline)<sp/>&amp;&amp;</highlight></codeline>
<codeline lineno="196"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/>RetryPolicy::ShouldRetry(kind);</highlight></codeline>
<codeline lineno="197"><highlight class="normal"><sp/><sp/>}</highlight></codeline>
<codeline lineno="198"><highlight class="normal">};</highlight></codeline>
<codeline lineno="199"><highlight class="normal"></highlight></codeline>
<codeline lineno="201" refid="namespaceiceberg_1a5408ff5caa8e62fc64370d1e4adfa6e0" refkind="member"><highlight class="normal">ICEBERG_EXPORT<sp/></highlight><highlight class="keyword">inline</highlight><highlight class="normal"><sp/></highlight><highlight class="keyword">auto</highlight><highlight class="normal"><sp/><ref refid="namespaceiceberg_1a5408ff5caa8e62fc64370d1e4adfa6e0" kindref="member">MakeCommitRetryRunner</ref>(int32_t<sp/>num_retries,<sp/>int32_t<sp/>min_wait_ms,</highlight></codeline>
<codeline lineno="202"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/>int32_t<sp/>max_wait_ms,</highlight></codeline>
<codeline lineno="203"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/>int32_t<sp/>total_timeout_ms)<sp/>{</highlight></codeline>
<codeline lineno="204"><highlight class="normal"><sp/><sp/></highlight><highlight class="keywordflow">return</highlight><highlight class="normal"><sp/><ref refid="classiceberg_1_1RetryRunner" kindref="compound">RetryRunner</ref>&lt;<ref refid="structiceberg_1_1retry_1_1RetryPolicy" kindref="compound">retry::OnlyRetryOn</ref>&lt;ErrorKind::kCommitFailed,</highlight></codeline>
<codeline lineno="205"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/>ErrorKind::kRetryableValidationFailed&gt;&gt;(</highlight></codeline>
<codeline lineno="206"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/><ref refid="structiceberg_1_1RetryConfig" kindref="compound">RetryConfig</ref>{.<ref refid="structiceberg_1_1RetryConfig_1a0d4e08f7e74793956080ddb66c797602" kindref="member">num_retries</ref><sp/>=<sp/>num_retries,</highlight></codeline>
<codeline lineno="207"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/>.min_wait_ms<sp/>=<sp/>min_wait_ms,</highlight></codeline>
<codeline lineno="208"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/>.max_wait_ms<sp/>=<sp/>max_wait_ms,</highlight></codeline>
<codeline lineno="209"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/>.total_timeout_ms<sp/>=<sp/>total_timeout_ms});</highlight></codeline>
<codeline lineno="210"><highlight class="normal">}</highlight></codeline>
<codeline lineno="211"><highlight class="normal"></highlight></codeline>
<codeline lineno="212"><highlight class="normal">}<sp/><sp/></highlight><highlight class="comment">//<sp/>namespace<sp/>iceberg</highlight><highlight class="normal"></highlight></codeline>
</programlisting>
<location file="iceberg/util/retry_util.h"/>
</compounddef>
</doxygen>