Echo server: Difference between revisions
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<!--<lang Phix>(notonline)-->
<span style="color: #000080;font-style:italic;">-- demo\rosetta\EchoServer.exw</span>
<span style="color: #008080;">
<span style="color: #008080;">include</span> <span style="color: #000000;">builtins</span><span style="color: #0000FF;">\</span><span style="color: #000000;">sockets</span><span style="color: #0000FF;">.</span><span style="color: #000000;">e</span>
<span style="color: #008080;">constant</span> <span style="color: #000000;">ESCAPE</span> <span style="color: #0000FF;">=</span> <span style="color: #000000;">#1B</span>
<span style="color: #008080;">procedure</span> <span style="color: #000000;">echo</span><span style="color: #0000FF;">(</span><span style="color: #004080;">atom</span> <span style="color: #000000;">sockd</span><span style="color: #0000FF;">)</span>
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<span style="color: #0000FF;">{</span><span style="color: #004080;">integer</span> <span style="color: #000000;">len</span><span style="color: #0000FF;">,</span> <span style="color: #004080;">string</span> <span style="color: #000000;">s</span><span style="color: #0000FF;">}</span> <span style="color: #0000FF;">=</span> <span style="color: #7060A8;">recv</span><span style="color: #0000FF;">(</span><span style="color: #000000;">sockd</span><span style="color: #0000FF;">)</span>
<span style="color: #008080;">if</span> <span style="color: #000000;">len</span><span style="color: #0000FF;"><=</span><span style="color: #000000;">0</span> <span style="color: #008080;">then</span> <span style="color: #008080;">exit</span> <span style="color: #008080;">end</span> <span style="color: #008080;">if</span>
<span style="color: #008080;">if</span> <span style="color: #000000;">first</span> <span style="color: #008080;">then</span>
<span style="color: #000000;">bytes_sent</span> <span style="color: #0000FF;">=</span> <span style="color: #7060A8;">send</span><span style="color: #0000FF;">(</span><span style="color: #000000;">sockd</span><span style="color: #0000FF;">,</span> <span style="color: #000000;">s</span><span style="color: #0000FF;">)</span> <span style="color: #000080;font-style:italic;">-- partial echo, see note</span>
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<span style="color: #008080;">end</span> <span style="color: #008080;">if</span>
<span style="color: #008080;">end</span> <span style="color: #008080;">while</span>
<span style="color: #000000;">list_s</span> <span style="color: #0000FF;">=</span> <span style="color: #7060A8;">closesocket</span><span style="color: #0000FF;">(</span><span style="color: #000000;">list_s</span><span style="color: #0000FF;">)</span>
<span style="color: #7060A8;">WSACleanup</span><span style="color: #0000FF;">()</span>
<!--</lang>-->
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