📄 streams.npserver.html
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<html><!-- #BeginTemplate "/Templates/tmpl.dwt" --><head><!-- #BeginEditable "doctitle" --> <title>PTypes: streams: npserver</title><!-- #EndEditable --> <meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1"><link rel="stylesheet" href="styles.css"></head><body bgcolor="#FFFFFF" leftmargin="40" marginwidth="40"><p><a href="../index.html"><img src="title-1.7.gif" width="213" height="34" alt="C++ Portable Types Library (PTypes) Version 1.7" border="0"></a> <hr noshade><!-- #BeginEditable "body" --> <p class="hpath"><a href="index.html">Top</a>: <a href="streams.html">Streams</a>: npserver</p><blockquote> <pre class="lang">#include <pstreams.h>npserver::npserver(string pipename);bool npserver::serve(namedpipe& client, int timeout = -1);</pre></blockquote><p>The <span class="lang">npserver</span> class is used on the server side of an interprocess communication channel. It listens to connections on the specified named pipe or a local Unix socket and for each connection provides a <span class="lang">namedpipe</span> object for exchanging data with the peer.</p><p>Please, read the introduction to <a href="streams.namedpipe.html">namedpipe</a> first.</p><p><span class="def">npserver::npserver(string pipename)</span> creates a named pipe server object. The named pipe or a local socket is actually created during the first call to <span class="lang">serve()</span> for this object.</p><p><span class="def">bool npserver::serve(namedpipe& client, int timeout = -1)</span> polls the pipe for connection requests. If there is a connection request from a client, <span class="lang">serve()</span> opens and prepares the supplied namedpipe object for communicating with the client, i.e. <span class="lang">client</span> will be active upon return from <span class="lang">serve()</span>. The second optional parameter <span class="lang">timeout</span> specifies the amount of time in milliseconds to wait for a connection request. If timeout is 0 <span class="lang">serve()</span> will return immediately; if it's -1 <span class="lang">serve()</span> will wait infinitely. This function returns <span class="lang">true</span> if there is a connection request and the <span class="lang">client</span> object is active, or <span class="lang">false</span> if the call has timed out.</p><p class="seealso">See also: <a href="streams.namedpipe.html">namedpipe</a>, <a href="inet.examples.html">Networking examples</a></p><!-- #EndEditable --><hr size="1"><a href="../index.html" class="ns">PTypes home</a></body><!-- #EndTemplate --></html>⌨️ 快捷键说明
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