CommunitySolidServer/7.x/docs/classes/FileSystemResourceLocker.html

29 lines
23 KiB
HTML

<!DOCTYPE html><html class="default" lang="en"><head><meta charset="utf-8"/><meta http-equiv="x-ua-compatible" content="IE=edge"/><title>FileSystemResourceLocker | Community Solid Server - v7.1.1</title><meta name="description" content="Documentation for Community Solid Server"/><meta name="viewport" content="width=device-width, initial-scale=1"/><link rel="stylesheet" href="../assets/style.css"/><link rel="stylesheet" href="../assets/highlight.css"/><link rel="stylesheet" href="../assets/custom.css"/><script defer src="../assets/main.js"></script><script async src="../assets/icons.js" id="tsd-icons-script"></script><script async src="../assets/search.js" id="tsd-search-script"></script><script async src="../assets/navigation.js" id="tsd-nav-script"></script></head><body><script>document.documentElement.dataset.theme = localStorage.getItem("tsd-theme") || "os";document.body.style.display="none";setTimeout(() => app?app.showPage():document.body.style.removeProperty("display"),500)</script><header class="tsd-page-toolbar"><div class="tsd-toolbar-contents container"><div class="table-cell" id="tsd-search" data-base=".."><div class="field"><label for="tsd-search-field" class="tsd-widget tsd-toolbar-icon search no-caption"><svg width="16" height="16" viewBox="0 0 16 16" fill="none"><use href="../assets/icons.svg#icon-search"></use></svg></label><input type="text" id="tsd-search-field" aria-label="Search"/></div><div class="field"><div id="tsd-toolbar-links"></div></div><ul class="results"><li class="state loading">Preparing search index...</li><li class="state failure">The search index is not available</li></ul><a href="../index.html" class="title">Community Solid Server - v7.1.1</a></div><div class="table-cell" id="tsd-widgets"><a href="#" class="tsd-widget tsd-toolbar-icon menu no-caption" data-toggle="menu" aria-label="Menu"><svg width="16" height="16" viewBox="0 0 16 16" fill="none"><use href="../assets/icons.svg#icon-menu"></use></svg></a></div></div></header><div class="container container-main"><div class="col-content"><div class="tsd-page-title"><ul class="tsd-breadcrumb"><li><a href="../modules.html">Community Solid Server</a></li><li><a href="FileSystemResourceLocker.html">FileSystemResourceLocker</a></li></ul><h1>Class FileSystemResourceLocker</h1></div><section class="tsd-panel tsd-comment"><div class="tsd-comment tsd-typography"><p>A resource locker making use of the <a href="https://www.npmjs.com/package/proper-lockfile">proper-lockfile</a> library.
Note that no locks are kept in memory, thus this is considered thread- and process-safe.
While it stores the actual locks on disk, it also tracks them in memory for when they need to be released.
This means only the worker thread that acquired a lock can release it again,
making this implementation unusable in combination with a wrapping read/write lock implementation.</p>
<p>This <strong>proper-lockfile</strong> library has its own retry mechanism for the operations, since a lock/unlock call will
either resolve successfully or reject immediately with the causing error. The retry function of the library
however will be ignored and replaced by our own LockUtils' retryFunction function.</p>
</div><div class="tsd-comment tsd-typography"></div></section><section class="tsd-panel"><h4>Implements</h4><ul class="tsd-hierarchy"><li><a href="../interfaces/ResourceLocker.html" class="tsd-signature-type tsd-kind-interface">ResourceLocker</a></li><li><a href="../interfaces/Initializable.html" class="tsd-signature-type tsd-kind-interface">Initializable</a></li><li><a href="../interfaces/Finalizable.html" class="tsd-signature-type tsd-kind-interface">Finalizable</a></li></ul></section><aside class="tsd-sources"><ul><li>Defined in <a href="https://github.com/CommunitySolidServer/CommunitySolidServer/blob/4599bf413e0ca08725d22b5e01fe43e97ef7d714/src/util/locking/FileSystemResourceLocker.ts#L64">src/util/locking/FileSystemResourceLocker.ts:64</a></li></ul></aside><section class="tsd-panel-group tsd-index-group"><section class="tsd-panel tsd-index-panel"><details class="tsd-index-content tsd-accordion" open><summary class="tsd-accordion-summary tsd-index-summary"><h5 class="tsd-index-heading uppercase" role="button" aria-expanded="false" tabIndex="0"><svg width="16" height="16" viewBox="0 0 16 16" fill="none"><use href="../assets/icons.svg#icon-chevronSmall"></use></svg> Index</h5></summary><div class="tsd-accordion-details"><section class="tsd-index-section"><h3 class="tsd-index-heading">Constructors</h3><div class="tsd-index-list"><a href="FileSystemResourceLocker.html#constructor" class="tsd-index-link"><svg class="tsd-kind-icon" viewBox="0 0 24 24"><use href="../assets/icons.svg#icon-512"></use></svg><span>constructor</span></a>
</div></section><section class="tsd-index-section"><h3 class="tsd-index-heading">Properties</h3><div class="tsd-index-list"><a href="FileSystemResourceLocker.html#logger" class="tsd-index-link tsd-is-protected"><svg class="tsd-kind-icon" viewBox="0 0 24 24"><use href="../assets/icons.svg#icon-1024"></use></svg><span>logger</span></a>
</div></section><section class="tsd-index-section"><h3 class="tsd-index-heading">Methods</h3><div class="tsd-index-list"><a href="FileSystemResourceLocker.html#acquire" class="tsd-index-link"><svg class="tsd-kind-icon" viewBox="0 0 24 24"><use href="../assets/icons.svg#icon-2048"></use></svg><span>acquire</span></a>
<a href="FileSystemResourceLocker.html#finalize" class="tsd-index-link"><svg class="tsd-kind-icon" viewBox="0 0 24 24"><use href="../assets/icons.svg#icon-2048"></use></svg><span>finalize</span></a>
<a href="FileSystemResourceLocker.html#initialize" class="tsd-index-link"><svg class="tsd-kind-icon" viewBox="0 0 24 24"><use href="../assets/icons.svg#icon-2048"></use></svg><span>initialize</span></a>
<a href="FileSystemResourceLocker.html#release" class="tsd-index-link"><svg class="tsd-kind-icon" viewBox="0 0 24 24"><use href="../assets/icons.svg#icon-2048"></use></svg><span>release</span></a>
</div></section></div></details></section></section><details class="tsd-panel-group tsd-member-group tsd-accordion" open><summary class="tsd-accordion-summary" data-key="section-Constructors"><h2><svg width="20" height="20" viewBox="0 0 24 24" fill="none"><use href="../assets/icons.svg#icon-chevronDown"></use></svg> Constructors</h2></summary><section><section class="tsd-panel tsd-member"><a id="constructor" class="tsd-anchor"></a><h3 class="tsd-anchor-link"><span>constructor</span><a href="#constructor" aria-label="Permalink" class="tsd-anchor-icon"><svg viewBox="0 0 24 24"><use href="../assets/icons.svg#icon-anchor"></use></svg></a></h3><ul class="tsd-signatures"><li class="tsd-signature tsd-anchor-link"><a id="constructor.new_FileSystemResourceLocker" class="tsd-anchor"></a><span class="tsd-kind-constructor-signature">new <wbr/>File<wbr/>System<wbr/>Resource<wbr/>Locker</span><span class="tsd-signature-symbol">(</span><span class="tsd-kind-parameter">args</span><span class="tsd-signature-symbol">)</span><span class="tsd-signature-symbol">: </span><a href="FileSystemResourceLocker.html" class="tsd-signature-type tsd-kind-class">FileSystemResourceLocker</a><a href="#constructor.new_FileSystemResourceLocker" aria-label="Permalink" class="tsd-anchor-icon"><svg viewBox="0 0 24 24"><use href="../assets/icons.svg#icon-anchor"></use></svg></a></li><li class="tsd-description"><div class="tsd-comment tsd-typography"><p>Create a new FileSystemResourceLocker</p>
</div><div class="tsd-parameters"><h4 class="tsd-parameters-title">Parameters</h4><ul class="tsd-parameter-list"><li><span><span class="tsd-kind-parameter">args</span>: <span class="tsd-signature-type">FileSystemResourceLockerArgs</span></span><div class="tsd-comment tsd-typography"><p>Configures the locker using the specified FileSystemResourceLockerArgs instance.</p>
</div><div class="tsd-comment tsd-typography"></div></li></ul></div><h4 class="tsd-returns-title">Returns <a href="FileSystemResourceLocker.html" class="tsd-signature-type tsd-kind-class">FileSystemResourceLocker</a></h4><div class="tsd-comment tsd-typography"></div><aside class="tsd-sources"><ul><li>Defined in <a href="https://github.com/CommunitySolidServer/CommunitySolidServer/blob/4599bf413e0ca08725d22b5e01fe43e97ef7d714/src/util/locking/FileSystemResourceLocker.ts#L77">src/util/locking/FileSystemResourceLocker.ts:77</a></li></ul></aside></li></ul></section></section></details><details class="tsd-panel-group tsd-member-group tsd-accordion" open><summary class="tsd-accordion-summary" data-key="section-Properties"><h2><svg width="20" height="20" viewBox="0 0 24 24" fill="none"><use href="../assets/icons.svg#icon-chevronDown"></use></svg> Properties</h2></summary><section><section class="tsd-panel tsd-member tsd-is-protected"><a id="logger" class="tsd-anchor"></a><h3 class="tsd-anchor-link"><code class="tsd-tag">Protected</code> <code class="tsd-tag">Readonly</code><span>logger</span><a href="#logger" aria-label="Permalink" class="tsd-anchor-icon"><svg viewBox="0 0 24 24"><use href="../assets/icons.svg#icon-anchor"></use></svg></a></h3><div class="tsd-signature"><span class="tsd-kind-property">logger</span><span class="tsd-signature-symbol">:</span> <a href="../interfaces/Logger.html" class="tsd-signature-type tsd-kind-interface">Logger</a><span class="tsd-signature-symbol"> = ...</span></div><aside class="tsd-sources"><ul><li>Defined in <a href="https://github.com/CommunitySolidServer/CommunitySolidServer/blob/4599bf413e0ca08725d22b5e01fe43e97ef7d714/src/util/locking/FileSystemResourceLocker.ts#L65">src/util/locking/FileSystemResourceLocker.ts:65</a></li></ul></aside></section></section></details><details class="tsd-panel-group tsd-member-group tsd-accordion" open><summary class="tsd-accordion-summary" data-key="section-Methods"><h2><svg width="20" height="20" viewBox="0 0 24 24" fill="none"><use href="../assets/icons.svg#icon-chevronDown"></use></svg> Methods</h2></summary><section><section class="tsd-panel tsd-member"><a id="acquire" class="tsd-anchor"></a><h3 class="tsd-anchor-link"><span>acquire</span><a href="#acquire" aria-label="Permalink" class="tsd-anchor-icon"><svg viewBox="0 0 24 24"><use href="../assets/icons.svg#icon-anchor"></use></svg></a></h3><ul class="tsd-signatures"><li class="tsd-signature tsd-anchor-link"><a id="acquire.acquire-1" class="tsd-anchor"></a><span class="tsd-kind-call-signature">acquire</span><span class="tsd-signature-symbol">(</span><span class="tsd-kind-parameter">identifier</span><span class="tsd-signature-symbol">)</span><span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">Promise</span><span class="tsd-signature-symbol">&lt;</span><span class="tsd-signature-type">void</span><span class="tsd-signature-symbol">&gt;</span><a href="#acquire.acquire-1" aria-label="Permalink" class="tsd-anchor-icon"><svg viewBox="0 0 24 24"><use href="../assets/icons.svg#icon-anchor"></use></svg></a></li><li class="tsd-description"><div class="tsd-comment tsd-typography"><p>Acquires a lock on the requested identifier.
The promise will resolve when the lock has been acquired.</p>
</div><div class="tsd-parameters"><h4 class="tsd-parameters-title">Parameters</h4><ul class="tsd-parameter-list"><li><span><span class="tsd-kind-parameter">identifier</span>: <a href="../interfaces/ResourceIdentifier.html" class="tsd-signature-type tsd-kind-interface">ResourceIdentifier</a></span><div class="tsd-comment tsd-typography"><p>Resource to acquire a lock on.</p>
</div><div class="tsd-comment tsd-typography"></div></li></ul></div><h4 class="tsd-returns-title">Returns <span class="tsd-signature-type">Promise</span><span class="tsd-signature-symbol">&lt;</span><span class="tsd-signature-type">void</span><span class="tsd-signature-symbol">&gt;</span></h4><div class="tsd-comment tsd-typography"></div><aside class="tsd-sources"><p>Implementation of <a href="../interfaces/ResourceLocker.html">ResourceLocker</a>.<a href="../interfaces/ResourceLocker.html#acquire">acquire</a></p><ul><li>Defined in <a href="https://github.com/CommunitySolidServer/CommunitySolidServer/blob/4599bf413e0ca08725d22b5e01fe43e97ef7d714/src/util/locking/FileSystemResourceLocker.ts#L108">src/util/locking/FileSystemResourceLocker.ts:108</a></li></ul></aside></li></ul></section><section class="tsd-panel tsd-member"><a id="finalize" class="tsd-anchor"></a><h3 class="tsd-anchor-link"><span>finalize</span><a href="#finalize" aria-label="Permalink" class="tsd-anchor-icon"><svg viewBox="0 0 24 24"><use href="../assets/icons.svg#icon-anchor"></use></svg></a></h3><ul class="tsd-signatures"><li class="tsd-signature tsd-anchor-link"><a id="finalize.finalize-1" class="tsd-anchor"></a><span class="tsd-kind-call-signature">finalize</span><span class="tsd-signature-symbol">(</span><span class="tsd-signature-symbol">)</span><span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">Promise</span><span class="tsd-signature-symbol">&lt;</span><span class="tsd-signature-type">void</span><span class="tsd-signature-symbol">&gt;</span><a href="#finalize.finalize-1" aria-label="Permalink" class="tsd-anchor-icon"><svg viewBox="0 0 24 24"><use href="../assets/icons.svg#icon-anchor"></use></svg></a></li><li class="tsd-description"><h4 class="tsd-returns-title">Returns <span class="tsd-signature-type">Promise</span><span class="tsd-signature-symbol">&lt;</span><span class="tsd-signature-type">void</span><span class="tsd-signature-symbol">&gt;</span></h4><aside class="tsd-sources"><p>Implementation of <a href="../interfaces/Finalizable.html">Finalizable</a>.<a href="../interfaces/Finalizable.html#finalize">finalize</a></p><ul><li>Defined in <a href="https://github.com/CommunitySolidServer/CommunitySolidServer/blob/4599bf413e0ca08725d22b5e01fe43e97ef7d714/src/util/locking/FileSystemResourceLocker.ts#L186">src/util/locking/FileSystemResourceLocker.ts:186</a></li></ul></aside></li></ul></section><section class="tsd-panel tsd-member"><a id="initialize" class="tsd-anchor"></a><h3 class="tsd-anchor-link"><span>initialize</span><a href="#initialize" aria-label="Permalink" class="tsd-anchor-icon"><svg viewBox="0 0 24 24"><use href="../assets/icons.svg#icon-anchor"></use></svg></a></h3><ul class="tsd-signatures"><li class="tsd-signature tsd-anchor-link"><a id="initialize.initialize-1" class="tsd-anchor"></a><span class="tsd-kind-call-signature">initialize</span><span class="tsd-signature-symbol">(</span><span class="tsd-signature-symbol">)</span><span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">Promise</span><span class="tsd-signature-symbol">&lt;</span><span class="tsd-signature-type">void</span><span class="tsd-signature-symbol">&gt;</span><a href="#initialize.initialize-1" aria-label="Permalink" class="tsd-anchor-icon"><svg viewBox="0 0 24 24"><use href="../assets/icons.svg#icon-anchor"></use></svg></a></li><li class="tsd-description"><div class="tsd-comment tsd-typography"><p>Initializer method to be executed on server start. This makes sure that no pre-existing (dangling) locks
remain on disk, so that request will not be blocked because a lock was acquired in the previous server instance.</p>
<p>NOTE: this also removes locks created by the GreedyReadWriteLocker.
(See issue: <a href="https://github.com/CommunitySolidServer/CommunitySolidServer/issues/1358">https://github.com/CommunitySolidServer/CommunitySolidServer/issues/1358</a>)</p>
</div><h4 class="tsd-returns-title">Returns <span class="tsd-signature-type">Promise</span><span class="tsd-signature-symbol">&lt;</span><span class="tsd-signature-type">void</span><span class="tsd-signature-symbol">&gt;</span></h4><div class="tsd-comment tsd-typography"></div><aside class="tsd-sources"><p>Implementation of <a href="../interfaces/Initializable.html">Initializable</a>.<a href="../interfaces/Initializable.html#initialize">initialize</a></p><ul><li>Defined in <a href="https://github.com/CommunitySolidServer/CommunitySolidServer/blob/4599bf413e0ca08725d22b5e01fe43e97ef7d714/src/util/locking/FileSystemResourceLocker.ts#L179">src/util/locking/FileSystemResourceLocker.ts:179</a></li></ul></aside></li></ul></section><section class="tsd-panel tsd-member"><a id="release" class="tsd-anchor"></a><h3 class="tsd-anchor-link"><span>release</span><a href="#release" aria-label="Permalink" class="tsd-anchor-icon"><svg viewBox="0 0 24 24"><use href="../assets/icons.svg#icon-anchor"></use></svg></a></h3><ul class="tsd-signatures"><li class="tsd-signature tsd-anchor-link"><a id="release.release-1" class="tsd-anchor"></a><span class="tsd-kind-call-signature">release</span><span class="tsd-signature-symbol">(</span><span class="tsd-kind-parameter">identifier</span><span class="tsd-signature-symbol">)</span><span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">Promise</span><span class="tsd-signature-symbol">&lt;</span><span class="tsd-signature-type">void</span><span class="tsd-signature-symbol">&gt;</span><a href="#release.release-1" aria-label="Permalink" class="tsd-anchor-icon"><svg viewBox="0 0 24 24"><use href="../assets/icons.svg#icon-anchor"></use></svg></a></li><li class="tsd-description"><div class="tsd-comment tsd-typography"><p>Releases a lock on the requested identifier.
The promise will resolve when the lock has been released.
If there is no lock on the resource, an error should be thrown.</p>
</div><div class="tsd-parameters"><h4 class="tsd-parameters-title">Parameters</h4><ul class="tsd-parameter-list"><li><span><span class="tsd-kind-parameter">identifier</span>: <a href="../interfaces/ResourceIdentifier.html" class="tsd-signature-type tsd-kind-interface">ResourceIdentifier</a></span><div class="tsd-comment tsd-typography"><p>Resource to release the lock on.</p>
</div><div class="tsd-comment tsd-typography"></div></li></ul></div><h4 class="tsd-returns-title">Returns <span class="tsd-signature-type">Promise</span><span class="tsd-signature-symbol">&lt;</span><span class="tsd-signature-type">void</span><span class="tsd-signature-symbol">&gt;</span></h4><div class="tsd-comment tsd-typography"></div><aside class="tsd-sources"><p>Implementation of <a href="../interfaces/ResourceLocker.html">ResourceLocker</a>.<a href="../interfaces/ResourceLocker.html#release">release</a></p><ul><li>Defined in <a href="https://github.com/CommunitySolidServer/CommunitySolidServer/blob/4599bf413e0ca08725d22b5e01fe43e97ef7d714/src/util/locking/FileSystemResourceLocker.ts#L125">src/util/locking/FileSystemResourceLocker.ts:125</a></li></ul></aside></li></ul></section></section></details></div><div class="col-sidebar"><div class="page-menu"><div class="tsd-navigation settings"><details class="tsd-accordion"><summary class="tsd-accordion-summary"><h3><svg width="20" height="20" viewBox="0 0 24 24" fill="none"><use href="../assets/icons.svg#icon-chevronDown"></use></svg>Settings</h3></summary><div class="tsd-accordion-details"><div class="tsd-filter-visibility"><span class="settings-label">Member Visibility</span><ul id="tsd-filter-options"><li class="tsd-filter-item"><label class="tsd-filter-input"><input type="checkbox" id="tsd-filter-protected" name="protected"/><svg width="32" height="32" viewBox="0 0 32 32" aria-hidden="true"><rect class="tsd-checkbox-background" width="30" height="30" x="1" y="1" rx="6" fill="none"></rect><path class="tsd-checkbox-checkmark" d="M8.35422 16.8214L13.2143 21.75L24.6458 10.25" stroke="none" stroke-width="3.5" stroke-linejoin="round" fill="none"></path></svg><span>Protected</span></label></li><li class="tsd-filter-item"><label class="tsd-filter-input"><input type="checkbox" id="tsd-filter-inherited" name="inherited" checked/><svg width="32" height="32" viewBox="0 0 32 32" aria-hidden="true"><rect class="tsd-checkbox-background" width="30" height="30" x="1" y="1" rx="6" fill="none"></rect><path class="tsd-checkbox-checkmark" d="M8.35422 16.8214L13.2143 21.75L24.6458 10.25" stroke="none" stroke-width="3.5" stroke-linejoin="round" fill="none"></path></svg><span>Inherited</span></label></li><li class="tsd-filter-item"><label class="tsd-filter-input"><input type="checkbox" id="tsd-filter-external" name="external"/><svg width="32" height="32" viewBox="0 0 32 32" aria-hidden="true"><rect class="tsd-checkbox-background" width="30" height="30" x="1" y="1" rx="6" fill="none"></rect><path class="tsd-checkbox-checkmark" d="M8.35422 16.8214L13.2143 21.75L24.6458 10.25" stroke="none" stroke-width="3.5" stroke-linejoin="round" fill="none"></path></svg><span>External</span></label></li></ul></div><div class="tsd-theme-toggle"><label class="settings-label" for="tsd-theme">Theme</label><select id="tsd-theme"><option value="os">OS</option><option value="light">Light</option><option value="dark">Dark</option></select></div></div></details></div><details open class="tsd-accordion tsd-page-navigation"><summary class="tsd-accordion-summary"><h3><svg width="20" height="20" viewBox="0 0 24 24" fill="none"><use href="../assets/icons.svg#icon-chevronDown"></use></svg>On This Page</h3></summary><div class="tsd-accordion-details"><details open class="tsd-accordion tsd-page-navigation-section"><summary class="tsd-accordion-summary" data-key="tsd-otp-Constructors"><svg width="20" height="20" viewBox="0 0 24 24" fill="none"><use href="../assets/icons.svg#icon-chevronDown"></use></svg>Constructors</summary><div><a href="#constructor" class=""><svg class="tsd-kind-icon" viewBox="0 0 24 24"><use href="../assets/icons.svg#icon-512"></use></svg><span>constructor</span></a></div></details><details open class="tsd-accordion tsd-page-navigation-section"><summary class="tsd-accordion-summary" data-key="tsd-otp-Properties"><svg width="20" height="20" viewBox="0 0 24 24" fill="none"><use href="../assets/icons.svg#icon-chevronDown"></use></svg>Properties</summary><div><a href="#logger" class="tsd-is-protected"><svg class="tsd-kind-icon" viewBox="0 0 24 24"><use href="../assets/icons.svg#icon-1024"></use></svg><span>logger</span></a></div></details><details open class="tsd-accordion tsd-page-navigation-section"><summary class="tsd-accordion-summary" data-key="tsd-otp-Methods"><svg width="20" height="20" viewBox="0 0 24 24" fill="none"><use href="../assets/icons.svg#icon-chevronDown"></use></svg>Methods</summary><div><a href="#acquire" class=""><svg class="tsd-kind-icon" viewBox="0 0 24 24"><use href="../assets/icons.svg#icon-2048"></use></svg><span>acquire</span></a><a href="#finalize" class=""><svg class="tsd-kind-icon" viewBox="0 0 24 24"><use href="../assets/icons.svg#icon-2048"></use></svg><span>finalize</span></a><a href="#initialize" class=""><svg class="tsd-kind-icon" viewBox="0 0 24 24"><use href="../assets/icons.svg#icon-2048"></use></svg><span>initialize</span></a><a href="#release" class=""><svg class="tsd-kind-icon" viewBox="0 0 24 24"><use href="../assets/icons.svg#icon-2048"></use></svg><span>release</span></a></div></details></div></details></div><div class="site-menu"><nav class="tsd-navigation"><a href="../modules.html"><svg class="tsd-kind-icon" viewBox="0 0 24 24"><use href="../assets/icons.svg#icon-1"></use></svg><span>Community Solid Server - v7.1.1</span></a><ul class="tsd-small-nested-navigation" id="tsd-nav-container" data-base=".."><li>Loading...</li></ul></nav></div></div></div><footer></footer><div class="overlay"></div></body></html>