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<pre class="code"><code><span id="1" class="l"><span class="xlang"><?php</span>
</span><span id="2" class="l"><span class="php-keyword1">namespace</span> GuzzleHttp\Handler;
</span><span id="3" class="l">
</span><span id="4" class="l"><span class="php-keyword1">use</span> GuzzleHttp\Promise <span class="php-keyword1">as</span> P;
</span><span id="5" class="l"><span class="php-keyword1">use</span> GuzzleHttp\Promise\Promise;
</span><span id="6" class="l"><span class="php-keyword1">use</span> GuzzleHttp\Psr7;
</span><span id="7" class="l"><span class="php-keyword1">use</span> Psr\Http\Message\RequestInterface;
</span><span id="8" class="l">
</span><span id="9" class="l"><span class="php-comment">/**
</span></span><span id="10" class="l"><span class="php-comment"> * Returns an asynchronous response using curl_multi_* functions.
</span></span><span id="11" class="l"><span class="php-comment"> *
</span></span><span id="12" class="l"><span class="php-comment"> * When using the CurlMultiHandler, custom curl options can be specified as an
</span></span><span id="13" class="l"><span class="php-comment"> * associative array of curl option constants mapping to values in the
</span></span><span id="14" class="l"><span class="php-comment"> * **curl** key of the provided request options.
</span></span><span id="15" class="l"><span class="php-comment"> *
</span></span><span id="16" class="l"><span class="php-comment"> * @property resource $_mh Internal use only. Lazy loaded multi-handle.
</span></span><span id="17" class="l"><span class="php-comment"> */</span>
</span><span id="18" class="l"><span class="php-keyword1">class</span> CurlMultiHandler
</span><span id="19" class="l">{
</span><span id="20" class="l"> <span class="php-comment">/** @var CurlFactoryInterface */</span>
</span><span id="21" class="l"> <span class="php-keyword1">private</span> <span class="php-var">$factory</span>;
</span><span id="22" class="l"> <span class="php-keyword1">private</span> <span class="php-var">$selectTimeout</span>;
</span><span id="23" class="l"> <span class="php-keyword1">private</span> <span class="php-var">$active</span>;
</span><span id="24" class="l"> <span class="php-keyword1">private</span> <span class="php-var">$handles</span> = [];
</span><span id="25" class="l"> <span class="php-keyword1">private</span> <span class="php-var">$delays</span> = [];
</span><span id="26" class="l">
</span><span id="27" class="l"> <span class="php-comment">/**
</span></span><span id="28" class="l"><span class="php-comment"> * This handler accepts the following options:
</span></span><span id="29" class="l"><span class="php-comment"> *
</span></span><span id="30" class="l"><span class="php-comment"> * - handle_factory: An optional factory used to create curl handles
</span></span><span id="31" class="l"><span class="php-comment"> * - select_timeout: Optional timeout (in seconds) to block before timing
</span></span><span id="32" class="l"><span class="php-comment"> * out while selecting curl handles. Defaults to 1 second.
</span></span><span id="33" class="l"><span class="php-comment"> *
</span></span><span id="34" class="l"><span class="php-comment"> * @param array $options
</span></span><span id="35" class="l"><span class="php-comment"> */</span>
</span><span id="36" class="l"> <span class="php-keyword1">public</span> <span class="php-keyword1">function</span> __construct(<span class="php-keyword1">array</span> <span class="php-var">$options</span> = [])
</span><span id="37" class="l"> {
</span><span id="38" class="l"> <span class="php-var">$this</span>->factory = <span class="php-keyword1">isset</span>(<span class="php-var">$options</span>[<span class="php-quote">'handle_factory'</span>])
</span><span id="39" class="l"> ? <span class="php-var">$options</span>[<span class="php-quote">'handle_factory'</span>] : <span class="php-keyword1">new</span> CurlFactory(<span class="php-num">50</span>);
</span><span id="40" class="l"> <span class="php-var">$this</span>->selectTimeout = <span class="php-keyword1">isset</span>(<span class="php-var">$options</span>[<span class="php-quote">'select_timeout'</span>])
</span><span id="41" class="l"> ? <span class="php-var">$options</span>[<span class="php-quote">'select_timeout'</span>] : <span class="php-num">1</span>;
</span><span id="42" class="l"> }
</span><span id="43" class="l">
</span><span id="44" class="l"> <span class="php-keyword1">public</span> <span class="php-keyword1">function</span> __get(<span class="php-var">$name</span>)
</span><span id="45" class="l"> {
</span><span id="46" class="l"> <span class="php-keyword1">if</span> (<span class="php-var">$name</span> === <span class="php-quote">'_mh'</span>) {
</span><span id="47" class="l"> <span class="php-keyword1">return</span> <span class="php-var">$this</span>->_mh = <span class="php-keyword2">curl_multi_init</span>();
</span><span id="48" class="l"> }
</span><span id="49" class="l">
</span><span id="50" class="l"> <span class="php-keyword1">throw</span> <span class="php-keyword1">new</span> \BadMethodCallException();
</span><span id="51" class="l"> }
</span><span id="52" class="l">
</span><span id="53" class="l"> <span class="php-keyword1">public</span> <span class="php-keyword1">function</span> __destruct()
</span><span id="54" class="l"> {
</span><span id="55" class="l"> <span class="php-keyword1">if</span> (<span class="php-keyword1">isset</span>(<span class="php-var">$this</span>->_mh)) {
</span><span id="56" class="l"> <span class="php-keyword2">curl_multi_close</span>(<span class="php-var">$this</span>->_mh);
</span><span id="57" class="l"> <span class="php-keyword1">unset</span>(<span class="php-var">$this</span>->_mh);
</span><span id="58" class="l"> }
</span><span id="59" class="l"> }
</span><span id="60" class="l">
</span><span id="61" class="l"> <span class="php-keyword1">public</span> <span class="php-keyword1">function</span> __invoke(RequestInterface <span class="php-var">$request</span>, <span class="php-keyword1">array</span> <span class="php-var">$options</span>)
</span><span id="62" class="l"> {
</span><span id="63" class="l"> <span class="php-var">$easy</span> = <span class="php-var">$this</span>->factory->create(<span class="php-var">$request</span>, <span class="php-var">$options</span>);
</span><span id="64" class="l"> <span class="php-var">$id</span> = (int) <span class="php-var">$easy</span>->handle;
</span><span id="65" class="l">
</span><span id="66" class="l"> <span class="php-var">$promise</span> = <span class="php-keyword1">new</span> Promise(
</span><span id="67" class="l"> [<span class="php-var">$this</span>, <span class="php-quote">'execute'</span>],
</span><span id="68" class="l"> <span class="php-keyword1">function</span> () <span class="php-keyword1">use</span> (<span class="php-var">$id</span>) { <span class="php-keyword1">return</span> <span class="php-var">$this</span>->cancel(<span class="php-var">$id</span>); }
</span><span id="69" class="l"> );
</span><span id="70" class="l">
</span><span id="71" class="l"> <span class="php-var">$this</span>->addRequest([<span class="php-quote">'easy'</span> => <span class="php-var">$easy</span>, <span class="php-quote">'deferred'</span> => <span class="php-var">$promise</span>]);
</span><span id="72" class="l">
</span><span id="73" class="l"> <span class="php-keyword1">return</span> <span class="php-var">$promise</span>;
</span><span id="74" class="l"> }
</span><span id="75" class="l">
</span><span id="76" class="l"> <span class="php-comment">/**
</span></span><span id="77" class="l"><span class="php-comment"> * Ticks the curl event loop.
</span></span><span id="78" class="l"><span class="php-comment"> */</span>
</span><span id="79" class="l"> <span class="php-keyword1">public</span> <span class="php-keyword1">function</span> tick()
</span><span id="80" class="l"> {
</span><span id="81" class="l"> <span class="php-comment">// Add any delayed handles if needed.</span>
</span><span id="82" class="l"> <span class="php-keyword1">if</span> (<span class="php-var">$this</span>->delays) {
</span><span id="83" class="l"> <span class="php-var">$currentTime</span> = <span class="php-keyword2">microtime</span>(<span class="php-keyword1">true</span>);
</span><span id="84" class="l"> <span class="php-keyword1">foreach</span> (<span class="php-var">$this</span>->delays <span class="php-keyword1">as</span> <span class="php-var">$id</span> => <span class="php-var">$delay</span>) {
</span><span id="85" class="l"> <span class="php-keyword1">if</span> (<span class="php-var">$currentTime</span> >= <span class="php-var">$delay</span>) {
</span><span id="86" class="l"> <span class="php-keyword1">unset</span>(<span class="php-var">$this</span>->delays[<span class="php-var">$id</span>]);
</span><span id="87" class="l"> <span class="php-keyword2">curl_multi_add_handle</span>(
</span><span id="88" class="l"> <span class="php-var">$this</span>->_mh,
</span><span id="89" class="l"> <span class="php-var">$this</span>->handles[<span class="php-var">$id</span>][<span class="php-quote">'easy'</span>]->handle
</span><span id="90" class="l"> );
</span><span id="91" class="l"> }
</span><span id="92" class="l"> }
</span><span id="93" class="l"> }
</span><span id="94" class="l">
</span><span id="95" class="l"> <span class="php-comment">// Step through the task queue which may add additional requests.</span>
</span><span id="96" class="l"> P\queue()->run();
</span><span id="97" class="l">
</span><span id="98" class="l"> <span class="php-keyword1">if</span> (<span class="php-var">$this</span>->active &&
</span><span id="99" class="l"> <span class="php-keyword2">curl_multi_select</span>(<span class="php-var">$this</span>->_mh, <span class="php-var">$this</span>->selectTimeout) === -<span class="php-num">1</span>
</span><span id="100" class="l"> ) {
</span><span id="101" class="l"> <span class="php-comment">// Perform a usleep if a select returns -1.</span>
</span><span id="102" class="l"> <span class="php-comment">// See: https://bugs.php.net/bug.php?id=61141</span>
</span><span id="103" class="l"> <span class="php-keyword2">usleep</span>(<span class="php-num">250</span>);
</span><span id="104" class="l"> }
</span><span id="105" class="l">
</span><span id="106" class="l"> <span class="php-keyword1">while</span> (<span class="php-keyword2">curl_multi_exec</span>(<span class="php-var">$this</span>->_mh, <span class="php-var">$this</span>->active) === CURLM_CALL_MULTI_PERFORM);
</span><span id="107" class="l">
</span><span id="108" class="l"> <span class="php-var">$this</span>->processMessages();
</span><span id="109" class="l"> }
</span><span id="110" class="l">
</span><span id="111" class="l"> <span class="php-comment">/**
</span></span><span id="112" class="l"><span class="php-comment"> * Runs until all outstanding connections have completed.
</span></span><span id="113" class="l"><span class="php-comment"> */</span>
</span><span id="114" class="l"> <span class="php-keyword1">public</span> <span class="php-keyword1">function</span> execute()
</span><span id="115" class="l"> {
</span><span id="116" class="l"> <span class="php-var">$queue</span> = P\queue();
</span><span id="117" class="l">
</span><span id="118" class="l"> <span class="php-keyword1">while</span> (<span class="php-var">$this</span>->handles || !<span class="php-var">$queue</span>->isEmpty()) {
</span><span id="119" class="l"> <span class="php-comment">// If there are no transfers, then sleep for the next delay</span>
</span><span id="120" class="l"> <span class="php-keyword1">if</span> (!<span class="php-var">$this</span>->active && <span class="php-var">$this</span>->delays) {
</span><span id="121" class="l"> <span class="php-keyword2">usleep</span>(<span class="php-var">$this</span>->timeToNext());
</span><span id="122" class="l"> }
</span><span id="123" class="l"> <span class="php-var">$this</span>->tick();
</span><span id="124" class="l"> }
</span><span id="125" class="l"> }
</span><span id="126" class="l">
</span><span id="127" class="l"> <span class="php-keyword1">private</span> <span class="php-keyword1">function</span> addRequest(<span class="php-keyword1">array</span> <span class="php-var">$entry</span>)
</span><span id="128" class="l"> {
</span><span id="129" class="l"> <span class="php-var">$easy</span> = <span class="php-var">$entry</span>[<span class="php-quote">'easy'</span>];
</span><span id="130" class="l"> <span class="php-var">$id</span> = (int) <span class="php-var">$easy</span>->handle;
</span><span id="131" class="l"> <span class="php-var">$this</span>->handles[<span class="php-var">$id</span>] = <span class="php-var">$entry</span>;
</span><span id="132" class="l"> <span class="php-keyword1">if</span> (<span class="php-keyword1">empty</span>(<span class="php-var">$easy</span>->options[<span class="php-quote">'delay'</span>])) {
</span><span id="133" class="l"> <span class="php-keyword2">curl_multi_add_handle</span>(<span class="php-var">$this</span>->_mh, <span class="php-var">$easy</span>->handle);
</span><span id="134" class="l"> } <span class="php-keyword1">else</span> {
</span><span id="135" class="l"> <span class="php-var">$this</span>->delays[<span class="php-var">$id</span>] = <span class="php-keyword2">microtime</span>(<span class="php-keyword1">true</span>) + (<span class="php-var">$easy</span>->options[<span class="php-quote">'delay'</span>] / <span class="php-num">1000</span>);
</span><span id="136" class="l"> }
</span><span id="137" class="l"> }
</span><span id="138" class="l">
</span><span id="139" class="l"> <span class="php-comment">/**
</span></span><span id="140" class="l"><span class="php-comment"> * Cancels a handle from sending and removes references to it.
</span></span><span id="141" class="l"><span class="php-comment"> *
</span></span><span id="142" class="l"><span class="php-comment"> * @param int $id Handle ID to cancel and remove.
</span></span><span id="143" class="l"><span class="php-comment"> *
</span></span><span id="144" class="l"><span class="php-comment"> * @return bool True on success, false on failure.
</span></span><span id="145" class="l"><span class="php-comment"> */</span>
</span><span id="146" class="l"> <span class="php-keyword1">private</span> <span class="php-keyword1">function</span> cancel(<span class="php-var">$id</span>)
</span><span id="147" class="l"> {
</span><span id="148" class="l"> <span class="php-comment">// Cannot cancel if it has been processed.</span>
</span><span id="149" class="l"> <span class="php-keyword1">if</span> (!<span class="php-keyword1">isset</span>(<span class="php-var">$this</span>->handles[<span class="php-var">$id</span>])) {
</span><span id="150" class="l"> <span class="php-keyword1">return</span> <span class="php-keyword1">false</span>;
</span><span id="151" class="l"> }
</span><span id="152" class="l">
</span><span id="153" class="l"> <span class="php-var">$handle</span> = <span class="php-var">$this</span>->handles[<span class="php-var">$id</span>][<span class="php-quote">'easy'</span>]->handle;
</span><span id="154" class="l"> <span class="php-keyword1">unset</span>(<span class="php-var">$this</span>->delays[<span class="php-var">$id</span>], <span class="php-var">$this</span>->handles[<span class="php-var">$id</span>]);
</span><span id="155" class="l"> <span class="php-keyword2">curl_multi_remove_handle</span>(<span class="php-var">$this</span>->_mh, <span class="php-var">$handle</span>);
</span><span id="156" class="l"> <span class="php-keyword2">curl_close</span>(<span class="php-var">$handle</span>);
</span><span id="157" class="l">
</span><span id="158" class="l"> <span class="php-keyword1">return</span> <span class="php-keyword1">true</span>;
</span><span id="159" class="l"> }
</span><span id="160" class="l">
</span><span id="161" class="l"> <span class="php-keyword1">private</span> <span class="php-keyword1">function</span> processMessages()
</span><span id="162" class="l"> {
</span><span id="163" class="l"> <span class="php-keyword1">while</span> (<span class="php-var">$done</span> = <span class="php-keyword2">curl_multi_info_read</span>(<span class="php-var">$this</span>->_mh)) {
</span><span id="164" class="l"> <span class="php-var">$id</span> = (int) <span class="php-var">$done</span>[<span class="php-quote">'handle'</span>];
</span><span id="165" class="l"> <span class="php-keyword2">curl_multi_remove_handle</span>(<span class="php-var">$this</span>->_mh, <span class="php-var">$done</span>[<span class="php-quote">'handle'</span>]);
</span><span id="166" class="l">
</span><span id="167" class="l"> <span class="php-keyword1">if</span> (!<span class="php-keyword1">isset</span>(<span class="php-var">$this</span>->handles[<span class="php-var">$id</span>])) {
</span><span id="168" class="l"> <span class="php-comment">// Probably was cancelled.</span>
</span><span id="169" class="l"> <span class="php-keyword1">continue</span>;
</span><span id="170" class="l"> }
</span><span id="171" class="l">
</span><span id="172" class="l"> <span class="php-var">$entry</span> = <span class="php-var">$this</span>->handles[<span class="php-var">$id</span>];
</span><span id="173" class="l"> <span class="php-keyword1">unset</span>(<span class="php-var">$this</span>->handles[<span class="php-var">$id</span>], <span class="php-var">$this</span>->delays[<span class="php-var">$id</span>]);
</span><span id="174" class="l"> <span class="php-var">$entry</span>[<span class="php-quote">'easy'</span>]->errno = <span class="php-var">$done</span>[<span class="php-quote">'result'</span>];
</span><span id="175" class="l"> <span class="php-var">$entry</span>[<span class="php-quote">'deferred'</span>]->resolve(
</span><span id="176" class="l"> CurlFactory::finish(
</span><span id="177" class="l"> <span class="php-var">$this</span>,
</span><span id="178" class="l"> <span class="php-var">$entry</span>[<span class="php-quote">'easy'</span>],
</span><span id="179" class="l"> <span class="php-var">$this</span>->factory
</span><span id="180" class="l"> )
</span><span id="181" class="l"> );
</span><span id="182" class="l"> }
</span><span id="183" class="l"> }
</span><span id="184" class="l">
</span><span id="185" class="l"> <span class="php-keyword1">private</span> <span class="php-keyword1">function</span> timeToNext()
</span><span id="186" class="l"> {
</span><span id="187" class="l"> <span class="php-var">$currentTime</span> = <span class="php-keyword2">microtime</span>(<span class="php-keyword1">true</span>);
</span><span id="188" class="l"> <span class="php-var">$nextTime</span> = PHP_INT_MAX;
</span><span id="189" class="l"> <span class="php-keyword1">foreach</span> (<span class="php-var">$this</span>->delays <span class="php-keyword1">as</span> <span class="php-var">$time</span>) {
</span><span id="190" class="l"> <span class="php-keyword1">if</span> (<span class="php-var">$time</span> < <span class="php-var">$nextTime</span>) {
</span><span id="191" class="l"> <span class="php-var">$nextTime</span> = <span class="php-var">$time</span>;
</span><span id="192" class="l"> }
</span><span id="193" class="l"> }
</span><span id="194" class="l">
</span><span id="195" class="l"> <span class="php-keyword1">return</span> <span class="php-keyword2">max</span>(<span class="php-num">0</span>, <span class="php-var">$nextTime</span> - <span class="php-var">$currentTime</span>) * <span class="php-num">1000000</span>;
</span><span id="196" class="l"> }
</span><span id="197" class="l">}
</span><span id="198" class="l"></span></code></pre>
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