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<!DOCTYPE html><html lang="en"><head><meta charset="utf-8"><meta name="viewport" content="width=device-width, initial-scale=1.0"><meta name="generator" content="rustdoc"><meta name="description" content="API documentation for the Rust `HeartbeatHandler` trait in crate `meta_srv`."><title>HeartbeatHandler in meta_srv::handler - Rust</title><script>if(window.location.protocol!=="file:")document.head.insertAdjacentHTML("beforeend","SourceSerif4-Regular-6b053e98.ttf.woff2,FiraSans-Italic-81dc35de.woff2,FiraSans-Regular-0fe48ade.woff2,FiraSans-MediumItalic-ccf7e434.woff2,FiraSans-Medium-e1aa3f0a.woff2,SourceCodePro-Regular-8badfe75.ttf.woff2,SourceCodePro-Semibold-aa29a496.ttf.woff2".split(",").map(f=>`<link rel="preload" as="font" type="font/woff2"href="../../static.files/${f}">`).join(""))</script><link rel="stylesheet" href="../../static.files/normalize-9960930a.css"><link rel="stylesheet" href="../../static.files/rustdoc-e56847b5.css"><meta name="rustdoc-vars" data-root-path="../../" data-static-root-path="../../static.files/" data-current-crate="meta_srv" data-themes="" data-resource-suffix="" data-rustdoc-version="1.92.0-nightly (fa3155a64 2025-09-30)" data-channel="nightly" data-search-js="search-e256b49e.js" data-stringdex-js="stringdex-828709d0.js" data-settings-js="settings-c38705f0.js" ><script src="../../static.files/storage-e2aeef58.js"></script><script defer src="sidebar-items.js"></script><script defer src="../../static.files/main-ce535bd0.js"></script><noscript><link rel="stylesheet" href="../../static.files/noscript-263c88ec.css"></noscript><link rel="alternate icon" type="image/png" href="../../static.files/favicon-32x32-eab170b8.png"><link rel="icon" type="image/svg+xml" href="../../static.files/favicon-044be391.svg"></head><body class="rustdoc trait"><!--[if lte IE 11]><div class="warning">This old browser is unsupported and will most likely display funky things.</div><![endif]--><rustdoc-topbar><h2><a href="#">HeartbeatHandler</a></h2></rustdoc-topbar><nav class="sidebar"><div class="sidebar-crate"><h2><a href="../../meta_srv/index.html">meta_<wbr>srv</a><span class="version">1.0.0-beta.3</span></h2></div><div class="sidebar-elems"><section id="rustdoc-toc"><h2 class="location"><a href="#">Heartbeat<wbr>Handler</a></h2><h3><a href="#required-methods">Required Methods</a></h3><ul class="block"><li><a href="#tymethod.handle" title="handle">handle</a></li><li><a href="#tymethod.is_acceptable" title="is_acceptable">is_acceptable</a></li></ul><h3><a href="#provided-methods">Provided Methods</a></h3><ul class="block"><li><a href="#method.name" title="name">name</a></li></ul><h3><a href="#implementors">Implementors</a></h3></section><div id="rustdoc-modnav"><h2><a href="index.html">In meta_<wbr>srv::<wbr>handler</a></h2></div></div></nav><div class="sidebar-resizer" title="Drag to resize sidebar"></div><main><div class="width-limiter"><section id="main-content" class="content"><div class="main-heading"><div class="rustdoc-breadcrumbs"><a href="../index.html">meta_srv</a>::<wbr><a href="index.html">handler</a></div><h1>Trait <span class="trait">Heartbeat<wbr>Handler</span> <button id="copy-path" title="Copy item path to clipboard">Copy item path</button></h1><rustdoc-toolbar></rustdoc-toolbar><span class="sub-heading"><a class="src" href="../../src/meta_srv/handler.rs.html#88-103">Source</a> </span></div><pre class="rust item-decl"><code>pub trait HeartbeatHandler: <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Send.html" title="trait core::marker::Send">Send</a> + <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sync.html" title="trait core::marker::Sync">Sync</a> {
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// Required methods
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fn <a href="#tymethod.is_acceptable" class="fn">is_acceptable</a>(&self, role: Role) -> <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.bool.html">bool</a>;
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<span class="item-spacer"></span> fn <a href="#tymethod.handle" class="fn">handle</a><'life0, 'life1, 'life2, 'life3, 'async_trait>(
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&'life0 self,
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req: &'life1 HeartbeatRequest,
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ctx: &'life2 mut <a class="struct" href="../metasrv/struct.Context.html" title="struct meta_srv::metasrv::Context">Context</a>,
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acc: &'life3 mut <a class="struct" href="struct.HeartbeatAccumulator.html" title="struct meta_srv::handler::HeartbeatAccumulator">HeartbeatAccumulator</a>,
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) -> <a class="struct" href="https://doc.rust-lang.org/nightly/core/pin/struct.Pin.html" title="struct core::pin::Pin">Pin</a><<a class="struct" href="https://doc.rust-lang.org/nightly/alloc/boxed/struct.Box.html" title="struct alloc::boxed::Box">Box</a><dyn <a class="trait" href="https://doc.rust-lang.org/nightly/core/future/future/trait.Future.html" title="trait core::future::future::Future">Future</a><Output = <a class="type" href="../error/type.Result.html" title="type meta_srv::error::Result">Result</a><<a class="enum" href="enum.HandleControl.html" title="enum meta_srv::handler::HandleControl">HandleControl</a>>> + <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Send.html" title="trait core::marker::Send">Send</a> + 'async_trait>>
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<span class="where">where Self: 'async_trait,
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'life0: 'async_trait,
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'life1: 'async_trait,
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'life2: 'async_trait,
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'life3: 'async_trait</span>;
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// Provided method
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fn <a href="#method.name" class="fn">name</a>(&self) -> &'static <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.str.html">str</a> { ... }
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}</code></pre><h2 id="required-methods" class="section-header">Required Methods<a href="#required-methods" class="anchor">§</a></h2><div class="methods"><section id="tymethod.is_acceptable" class="method"><a class="src rightside" href="../../src/meta_srv/handler.rs.html#89">Source</a><h4 class="code-header">fn <a href="#tymethod.is_acceptable" class="fn">is_acceptable</a>(&self, role: Role) -> <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.bool.html">bool</a></h4></section><section id="tymethod.handle" class="method"><a class="src rightside" href="../../src/meta_srv/handler.rs.html#97-102">Source</a><h4 class="code-header">fn <a href="#tymethod.handle" class="fn">handle</a><'life0, 'life1, 'life2, 'life3, 'async_trait>(
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&'life0 self,
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req: &'life1 HeartbeatRequest,
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ctx: &'life2 mut <a class="struct" href="../metasrv/struct.Context.html" title="struct meta_srv::metasrv::Context">Context</a>,
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acc: &'life3 mut <a class="struct" href="struct.HeartbeatAccumulator.html" title="struct meta_srv::handler::HeartbeatAccumulator">HeartbeatAccumulator</a>,
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) -> <a class="struct" href="https://doc.rust-lang.org/nightly/core/pin/struct.Pin.html" title="struct core::pin::Pin">Pin</a><<a class="struct" href="https://doc.rust-lang.org/nightly/alloc/boxed/struct.Box.html" title="struct alloc::boxed::Box">Box</a><dyn <a class="trait" href="https://doc.rust-lang.org/nightly/core/future/future/trait.Future.html" title="trait core::future::future::Future">Future</a><Output = <a class="type" href="../error/type.Result.html" title="type meta_srv::error::Result">Result</a><<a class="enum" href="enum.HandleControl.html" title="enum meta_srv::handler::HandleControl">HandleControl</a>>> + <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Send.html" title="trait core::marker::Send">Send</a> + 'async_trait>><div class="where">where
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Self: 'async_trait,
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'life0: 'async_trait,
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'life1: 'async_trait,
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'life2: 'async_trait,
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'life3: 'async_trait,</div></h4></section></div><h2 id="provided-methods" class="section-header">Provided Methods<a href="#provided-methods" class="anchor">§</a></h2><div class="methods"><section id="method.name" class="method"><a class="src rightside" href="../../src/meta_srv/handler.rs.html#91-95">Source</a><h4 class="code-header">fn <a href="#method.name" class="fn">name</a>(&self) -> &'static <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.str.html">str</a></h4></section></div><h2 id="implementors" class="section-header">Implementors<a href="#implementors" class="anchor">§</a></h2><div id="implementors-list"><section id="impl-HeartbeatHandler-for-CheckLeaderHandler" class="impl"><a class="src rightside" href="../../src/meta_srv/handler/check_leader_handler.rs.html#25-56">Source</a><a href="#impl-HeartbeatHandler-for-CheckLeaderHandler" class="anchor">§</a><h3 class="code-header">impl <a class="trait" href="trait.HeartbeatHandler.html" title="trait meta_srv::handler::HeartbeatHandler">HeartbeatHandler</a> for <a class="struct" href="check_leader_handler/struct.CheckLeaderHandler.html" title="struct meta_srv::handler::check_leader_handler::CheckLeaderHandler">CheckLeaderHandler</a></h3></section><section id="impl-HeartbeatHandler-for-CollectDatanodeClusterInfoHandler" class="impl"><a class="src rightside" href="../../src/meta_srv/handler/collect_cluster_info_handler.rs.html#110-160">Source</a><a href="#impl-HeartbeatHandler-for-CollectDatanodeClusterInfoHandler" class="anchor">§</a><h3 class="code-header">impl <a class="trait" href="trait.HeartbeatHandler.html" title="trait meta_srv::handler::HeartbeatHandler">HeartbeatHandler</a> for <a class="struct" href="collect_cluster_info_handler/struct.CollectDatanodeClusterInfoHandler.html" title="struct meta_srv::handler::collect_cluster_info_handler::CollectDatanodeClusterInfoHandler">CollectDatanodeClusterInfoHandler</a></h3></section><section id="impl-HeartbeatHandler-for-CollectFlownodeClusterInfoHandler" class="impl"><a class="src rightside" href="../../src/meta_srv/handler/collect_cluster_info_handler.rs.html#71-104">Source</a><a href="#impl-HeartbeatHandler-for-CollectFlownodeClusterInfoHandler" class="anchor">§</a><h3 class="code-header">impl <a class="trait" href="trait.HeartbeatHandler.html" title="trait meta_srv::handler::HeartbeatHandler">HeartbeatHandler</a> for <a class="struct" href="collect_cluster_info_handler/struct.CollectFlownodeClusterInfoHandler.html" title="struct meta_srv::handler::collect_cluster_info_handler::CollectFlownodeClusterInfoHandler">CollectFlownodeClusterInfoHandler</a></h3></section><section id="impl-HeartbeatHandler-for-CollectFrontendClusterInfoHandler" class="impl"><a class="src rightside" href="../../src/meta_srv/handler/collect_cluster_info_handler.rs.html#33-66">Source</a><a href="#impl-HeartbeatHandler-for-CollectFrontendClusterInfoHandler" class="anchor">§</a><h3 class="code-header">impl <a class="trait" href="trait.HeartbeatHandler.html" title="trait meta_srv::handler::HeartbeatHandler">HeartbeatHandler</a> for <a class="struct" href="collect_cluster_info_handler/struct.CollectFrontendClusterInfoHandler.html" title="struct meta_srv::handler::collect_cluster_info_handler::CollectFrontendClusterInfoHandler">CollectFrontendClusterInfoHandler</a></h3></section><section id="impl-HeartbeatHandler-for-CollectLeaderRegionHandler" class="impl"><a class="src rightside" href="../../src/meta_srv/handler/collect_leader_region_handler.rs.html#26-58">Source</a><a href="#impl-HeartbeatHandler-for-CollectLeaderRegionHandler" class="anchor">§</a><h3 class="code-header">impl <a class="trait" href="trait.HeartbeatHandler.html" title="trait meta_srv::handler::HeartbeatHandler">HeartbeatHandler</a> for <a class="struct" href="collect_leader_region_handler/struct.CollectLeaderRegionHandler.html" title="struct meta_srv::handler::collect_leader_region_handler::CollectLeaderRegionHandler">CollectLeaderRegionHandler</a></h3></section><section id="impl-HeartbeatHandler-for-CollectStatsHandler" class="impl"><a class="src rightside" href="../../src/meta_srv/handler/collect_stats_handler.rs.html#93-171">Source</a><a href="#impl-HeartbeatHandler-for-CollectStatsHandler" class="anchor">§</a><h3 class="code-header">impl <a class="trait" href="trait.HeartbeatHandler.html" title="trait meta_srv::handler::HeartbeatHandler">HeartbeatHandler</a> for <a class="struct" href="collect_stats_handler/struct.CollectStatsHandler.html" title="struct meta_srv::handler::collect_stats_handler::CollectStatsHandler">CollectStatsHandler</a></h3></section><section id="impl-HeartbeatHandler-for-CollectTopicStatsHandler" class="impl"><a class="src rightside" href="../../src/meta_srv/handler/collect_topic_stats_handler.rs.html#24-47">Source</a><a href="#impl-HeartbeatHandler-for-CollectTopicStatsHandler" class="anchor">§</a><h3 class="code-header">impl <a class="trait" href="trait.HeartbeatHandler.html" title="trait meta_srv::handler::HeartbeatHandler">HeartbeatHandler</a> for <a class="struct" href="collect_topic_stats_handler/struct.CollectTopicStatsHandler.html" title="struct meta_srv::handler::collect_topic_stats_handler::CollectTopicStatsHandler">CollectTopicStatsHandler</a></h3></section><section id="impl-HeartbeatHandler-for-ExtractStatHandler" class="impl"><a class="src rightside" href="../../src/meta_srv/handler/extract_stat_handler.rs.html#27-60">Source</a><a href="#impl-HeartbeatHandler-for-ExtractStatHandler" class="anchor">§</a><h3 class="code-header">impl <a class="trait" href="trait.HeartbeatHandler.html" title="trait meta_srv::handler::HeartbeatHandler">HeartbeatHandler</a> for <a class="struct" href="extract_stat_handler/struct.ExtractStatHandler.html" title="struct meta_srv::handler::extract_stat_handler::ExtractStatHandler">ExtractStatHandler</a></h3></section><section id="impl-HeartbeatHandler-for-RegionFailureHandler" class="impl"><a class="src rightside" href="../../src/meta_srv/handler/failure_handler.rs.html#40-61">Source</a><a href="#impl-HeartbeatHandler-for-RegionFailureHandler" class="anchor">§</a><h3 class="code-header">impl <a class="trait" href="trait.HeartbeatHandler.html" title="trait meta_srv::handler::HeartbeatHandler">HeartbeatHandler</a> for <a class="struct" href="failure_handler/struct.RegionFailureHandler.html" title="struct meta_srv::handler::failure_handler::RegionFailureHandler">RegionFailureHandler</a></h3></section><section id="impl-HeartbeatHandler-for-FilterInactiveRegionStatsHandler" class="impl"><a class="src rightside" href="../../src/meta_srv/handler/filter_inactive_region_stats.rs.html#28-56">Source</a><a href="#impl-HeartbeatHandler-for-FilterInactiveRegionStatsHandler" class="anchor">§</a><h3 class="code-header">impl <a class="trait" href="trait.HeartbeatHandler.html" title="trait meta_srv::handler::HeartbeatHandler">HeartbeatHandler</a> for <a class="struct" href="filter_inactive_region_stats/struct.FilterInactiveRegionStatsHandler.html" title="struct meta_srv::handler::filter_inactive_region_stats::FilterInactiveRegionStatsHandler">FilterInactiveRegionStatsHandler</a></h3></section><section id="impl-HeartbeatHandler-for-FlowStateHandler" class="impl"><a class="src rightside" href="../../src/meta_srv/handler/flow_state_handler.rs.html#34-66">Source</a><a href="#impl-HeartbeatHandler-for-FlowStateHandler" class="anchor">§</a><h3 class="code-header">impl <a class="trait" href="trait.HeartbeatHandler.html" title="trait meta_srv::handler::HeartbeatHandler">HeartbeatHandler</a> for <a class="struct" href="flow_state_handler/struct.FlowStateHandler.html" title="struct meta_srv::handler::flow_state_handler::FlowStateHandler">FlowStateHandler</a></h3></section><section id="impl-HeartbeatHandler-for-DatanodeKeepLeaseHandler" class="impl"><a class="src rightside" href="../../src/meta_srv/handler/keep_lease_handler.rs.html#31-71">Source</a><a href="#impl-HeartbeatHandler-for-DatanodeKeepLeaseHandler" class="anchor">§</a><h3 class="code-header">impl <a class="trait" href="trait.HeartbeatHandler.html" title="trait meta_srv::handler::HeartbeatHandler">HeartbeatHandler</a> for <a class="struct" href="keep_lease_handler/struct.DatanodeKeepLeaseHandler.html" title="struct meta_srv::handler::keep_lease_handler::DatanodeKeepLeaseHandler">DatanodeKeepLeaseHandler</a></h3></section><section id="impl-HeartbeatHandler-for-FlownodeKeepLeaseHandler" class="impl"><a class="src rightside" href="../../src/meta_srv/handler/keep_lease_handler.rs.html#77-111">Source</a><a href="#impl-HeartbeatHandler-for-FlownodeKeepLeaseHandler" class="anchor">§</a><h3 class="code-header">impl <a class="trait" href="trait.HeartbeatHandler.html" title="trait meta_srv::handler::HeartbeatHandler">HeartbeatHandler</a> for <a class="struct" href="keep_lease_handler/struct.FlownodeKeepLeaseHandler.html" title="struct meta_srv::handler::keep_lease_handler::FlownodeKeepLeaseHandler">FlownodeKeepLeaseHandler</a></h3></section><section id="impl-HeartbeatHandler-for-MailboxHandler" class="impl"><a class="src rightside" href="../../src/meta_srv/handler/mailbox_handler.rs.html#24-43">Source</a><a href="#impl-HeartbeatHandler-for-MailboxHandler" class="anchor">§</a><h3 class="code-header">impl <a class="trait" href="trait.HeartbeatHandler.html" title="trait meta_srv::handler::HeartbeatHandler">HeartbeatHandler</a> for <a class="struct" href="mailbox_handler/struct.MailboxHandler.html" title="struct meta_srv::handler::mailbox_handler::MailboxHandler">MailboxHandler</a></h3></section><section id="impl-HeartbeatHandler-for-OnLeaderStartHandler" class="impl"><a class="src rightside" href="../../src/meta_srv/handler/on_leader_start_handler.rs.html#24-49">Source</a><a href="#impl-HeartbeatHandler-for-OnLeaderStartHandler" class="anchor">§</a><h3 class="code-header">impl <a class="trait" href="trait.HeartbeatHandler.html" title="trait meta_srv::handler::HeartbeatHandler">HeartbeatHandler</a> for <a class="struct" href="on_leader_start_handler/struct.OnLeaderStartHandler.html" title="struct meta_srv::handler::on_leader_start_handler::OnLeaderStartHandler">OnLeaderStartHandler</a></h3></section><section id="impl-HeartbeatHandler-for-PersistStatsHandler" class="impl"><a class="src rightside" href="../../src/meta_srv/handler/persist_stats_handler.rs.html#232-260">Source</a><a href="#impl-HeartbeatHandler-for-PersistStatsHandler" class="anchor">§</a><h3 class="code-header">impl <a class="trait" href="trait.HeartbeatHandler.html" title="trait meta_srv::handler::HeartbeatHandler">HeartbeatHandler</a> for <a class="struct" href="persist_stats_handler/struct.PersistStatsHandler.html" title="struct meta_srv::handler::persist_stats_handler::PersistStatsHandler">PersistStatsHandler</a></h3></section><section id="impl-HeartbeatHandler-for-PublishHeartbeatHandler" class="impl"><a class="src rightside" href="../../src/meta_srv/handler/publish_heartbeat_handler.rs.html#34-50">Source</a><a href="#impl-HeartbeatHandler-for-PublishHeartbeatHandler" class="anchor">§</a><h3 class="code-header">impl <a class="trait" href="trait.HeartbeatHandler.html" title="trait meta_srv::handler::HeartbeatHandler">HeartbeatHandler</a> for <a class="struct" href="publish_heartbeat_handler/struct.PublishHeartbeatHandler.html" title="struct meta_srv::handler::publish_heartbeat_handler::PublishHeartbeatHandler">PublishHeartbeatHandler</a></h3></section><section id="impl-HeartbeatHandler-for-RegionLeaseHandler" class="impl"><a class="src rightside" href="../../src/meta_srv/handler/region_lease_handler.rs.html#69-128">Source</a><a href="#impl-HeartbeatHandler-for-RegionLeaseHandler" class="anchor">§</a><h3 class="code-header">impl <a class="trait" href="trait.HeartbeatHandler.html" title="trait meta_srv::handler::HeartbeatHandler">HeartbeatHandler</a> for <a class="struct" href="region_lease_handler/struct.RegionLeaseHandler.html" title="struct meta_srv::handler::region_lease_handler::RegionLeaseHandler">RegionLeaseHandler</a></h3></section><section id="impl-HeartbeatHandler-for-RemapFlowPeerHandler" class="impl"><a class="src rightside" href="../../src/meta_srv/handler/remap_flow_peer_handler.rs.html#34-70">Source</a><a href="#impl-HeartbeatHandler-for-RemapFlowPeerHandler" class="anchor">§</a><h3 class="code-header">impl <a class="trait" href="trait.HeartbeatHandler.html" title="trait meta_srv::handler::HeartbeatHandler">HeartbeatHandler</a> for <a class="struct" href="remap_flow_peer_handler/struct.RemapFlowPeerHandler.html" title="struct meta_srv::handler::remap_flow_peer_handler::RemapFlowPeerHandler">RemapFlowPeerHandler</a></h3></section><section id="impl-HeartbeatHandler-for-ResponseHeaderHandler" class="impl"><a class="src rightside" href="../../src/meta_srv/handler/response_header_handler.rs.html#24-42">Source</a><a href="#impl-HeartbeatHandler-for-ResponseHeaderHandler" class="anchor">§</a><h3 class="code-header">impl <a class="trait" href="trait.HeartbeatHandler.html" title="trait meta_srv::handler::HeartbeatHandler">HeartbeatHandler</a> for <a class="struct" href="response_header_handler/struct.ResponseHeaderHandler.html" title="struct meta_srv::handler::response_header_handler::ResponseHeaderHandler">ResponseHeaderHandler</a></h3></section></div><script src="../../trait.impl/meta_srv/handler/trait.HeartbeatHandler.js" async></script></section></div></main></body></html> |