ZealOS/docs/Home/Net/Tests/TCPEchoServer.ZC.html
2021-12-30 22:21:33 -05:00

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<pre style="font-family:monospace;font-size:12pt">
<a name="l1"></a><span class=cF0>CTCPSocket *tcp = TCPSocket(AF_INET);
<a name="l2"></a>CTCPSocket *new;
<a name="l3"></a></span><span class=cF1>U8</span><span class=cF0> buffer_size = TCP_MSS;
<a name="l4"></a></span><span class=cF1>U8</span><span class=cF0> *buffer = </span><span class=cF5>CAlloc</span><span class=cF0>(buffer_size);
<a name="l5"></a>
<a name="l6"></a>CSocketAddressIPV4 *socket_addr = </span><span class=cF5>CAlloc</span><span class=cF0>(</span><span class=cF1>sizeof</span><span class=cF7>(</span><span class=cF0>CSocketAddressIPV4</span><span class=cF7>)</span><span class=cF0>);
<a name="l7"></a>
<a name="l8"></a></span><span class=cF1>U0</span><span class=cF0> TCPTest()
<a name="l9"></a>{
<a name="l10"></a> tcp-&gt;timeout = TCP_TIMEOUT * </span><span class=cFE>3</span><span class=cF0>;
<a name="l11"></a>
<a name="l12"></a> </span><span class=cF5>ClassRep</span><span class=cF0>(tcp);
<a name="l13"></a>
<a name="l14"></a> socket_addr-&gt;port = </span><span class=cF5>EndianU16</span><span class=cF0>(</span><span class=cFE>0xBEEF</span><span class=cF0>);
<a name="l15"></a> socket_addr-&gt;family = AF_INET;
<a name="l16"></a> socket_addr-&gt;address.address = INADDR_ANY;
<a name="l17"></a>
<a name="l18"></a> </span><span class=cF6>&quot;\nTrying to bind socket.\n&quot;</span><span class=cF0>;
<a name="l19"></a> </span><span class=cF1>if</span><span class=cF0> (TCPSocketBind</span><span class=cF7>(</span><span class=cF0>tcp, socket_addr</span><span class=cF7>)</span><span class=cF0> == </span><span class=cFE>0</span><span class=cF0>)
<a name="l20"></a> </span><span class=cF6>&quot;\nSocket bound.\n&quot;</span><span class=cF0>;
<a name="l21"></a> </span><span class=cF1>else</span><span class=cF0>
<a name="l22"></a> </span><span class=cF6>&quot;\nFailed to bind socket.\n&quot;</span><span class=cF0>;
<a name="l23"></a>
<a name="l24"></a> </span><span class=cF6>&quot;\nTrying to listen on socket.\n&quot;</span><span class=cF0>;
<a name="l25"></a> </span><span class=cF1>if</span><span class=cF0> (TCPSocketListen</span><span class=cF7>(</span><span class=cF0>tcp, </span><span class=cFE>5</span><span class=cF7>)</span><span class=cF0> == </span><span class=cFE>0</span><span class=cF0>)
<a name="l26"></a> </span><span class=cF6>&quot;\nSocket now listening.\n&quot;</span><span class=cF0>;
<a name="l27"></a> </span><span class=cF1>else</span><span class=cF0>
<a name="l28"></a> </span><span class=cF6>&quot;\nFail to listen on socket.\n&quot;</span><span class=cF0>;
<a name="l29"></a>
<a name="l30"></a> </span><span class=cF6>&quot;\nTrying to accept a connection\n&quot;</span><span class=cF0>;
<a name="l31"></a> </span><span class=cF1>if</span><span class=cF0> (</span><span class=cF7>(</span><span class=cF0>new = TCPSocketAccept(tcp)</span><span class=cF7>)</span><span class=cF0> != </span><span class=cF3>NULL</span><span class=cF0>)
<a name="l32"></a> </span><span class=cF6>&quot;\nNew socket connected.\n&quot;</span><span class=cF0>;
<a name="l33"></a> </span><span class=cF1>else</span><span class=cF0>
<a name="l34"></a> </span><span class=cF7>{</span><span class=cF0>
<a name="l35"></a> </span><span class=cF6>&quot;\nFailed to accept.\n&quot;</span><span class=cF0>;
<a name="l36"></a> </span><span class=cF1>return</span><span class=cF0>;
<a name="l37"></a> </span><span class=cF7>}</span><span class=cF0>
<a name="l38"></a>
<a name="l39"></a> </span><span class=cF6>&quot;\n\nTrying to Receive data\n&quot;</span><span class=cF0>;
<a name="l40"></a>
<a name="l41"></a> </span><span class=cF1>if</span><span class=cF0> (TCPSocketReceive</span><span class=cF7>(</span><span class=cF0>new, buffer, buffer_size</span><span class=cF7>)</span><span class=cF0> &gt; </span><span class=cFE>0</span><span class=cF0>)
<a name="l42"></a> </span><span class=cF6>&quot;\nData received\n&quot;</span><span class=cF0>;
<a name="l43"></a> </span><span class=cF1>else</span><span class=cF0>
<a name="l44"></a> </span><span class=cF6>&quot;\nData not received\n&quot;</span><span class=cF0>;
<a name="l45"></a>
<a name="l46"></a> </span><span class=cF6>&quot;\n\n&quot;</span><span class=cF0>;
<a name="l47"></a>
<a name="l48"></a> </span><span class=cF5>Dump</span><span class=cF0>(buffer, buffer_size, </span><span class=cF3>FALSE</span><span class=cF0>);
<a name="l49"></a>
<a name="l50"></a> </span><span class=cF6>&quot;\n\n&quot;</span><span class=cF0>;
<a name="l51"></a>
<a name="l52"></a> </span><span class=cF6>&quot;\nTrying to Send data\n&quot;</span><span class=cF0>;
<a name="l53"></a> </span><span class=cF1>if</span><span class=cF0> (TCPSocketSend</span><span class=cF7>(</span><span class=cF0>new, buffer, buffer_size</span><span class=cF7>)</span><span class=cF0> &gt; </span><span class=cFE>0</span><span class=cF0>) </span><span class=cF2>// echo back</span><span class=cF0>
<a name="l54"></a> </span><span class=cF6>&quot;\nData sent.\n&quot;</span><span class=cF0>;
<a name="l55"></a> </span><span class=cF1>else</span><span class=cF0>
<a name="l56"></a> </span><span class=cF6>&quot;\nData not sent\n&quot;</span><span class=cF0>;
<a name="l57"></a>
<a name="l58"></a> </span><span class=cF5>ClassRep</span><span class=cF0>(tcp_globals.bound_socket_tree);
<a name="l59"></a>
<a name="l60"></a> </span><span class=cF5>Sleep</span><span class=cF0>(</span><span class=cFE>5000</span><span class=cF0>);
<a name="l61"></a>
<a name="l62"></a> </span><span class=cF6>&quot;\n\nTrying to close the accepted socket\n&quot;</span><span class=cF0>;
<a name="l63"></a> </span><span class=cF1>if</span><span class=cF0> (TCPSocketClose</span><span class=cF7>(</span><span class=cF0>new</span><span class=cF7>)</span><span class=cF0> == </span><span class=cFE>0</span><span class=cF0>)
<a name="l64"></a> </span><span class=cF6>&quot;\nSocket Closed.&quot;</span><span class=cF0>;
<a name="l65"></a> </span><span class=cF1>else</span><span class=cF0>
<a name="l66"></a> </span><span class=cF6>&quot;\nSocket close failed.&quot;</span><span class=cF0>
<a name="l67"></a>
<a name="l68"></a> </span><span class=cF6>&quot;\n\nTrying to close the listening socket\n&quot;</span><span class=cF0>;
<a name="l69"></a> </span><span class=cF1>if</span><span class=cF0> (TCPSocketClose</span><span class=cF7>(</span><span class=cF0>tcp</span><span class=cF7>)</span><span class=cF0> == </span><span class=cFE>0</span><span class=cF0>)
<a name="l70"></a> </span><span class=cF6>&quot;\nSocket Closed.&quot;</span><span class=cF0>;
<a name="l71"></a> </span><span class=cF1>else</span><span class=cF0>
<a name="l72"></a> </span><span class=cF6>&quot;\nSocket close failed.&quot;</span><span class=cF0>;
<a name="l73"></a>
<a name="l74"></a>
<a name="l75"></a>
<a name="l76"></a> </span><span class=cF5>Sleep</span><span class=cF0>(</span><span class=cFE>500</span><span class=cF0>);
<a name="l77"></a>
<a name="l78"></a> </span><span class=cF2>//NetStop;</span><span class=cF0>
<a name="l79"></a>
<a name="l80"></a> </span><span class=cF2>//NetStart;</span><span class=cF0>
<a name="l81"></a>}
<a name="l82"></a>
<a name="l83"></a>TCPTest;</span></pre></body>
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