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<div class="title">TCP/IP communication module</div> </div>
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<p>The TCP/IP communication module provides for a channel of communication for the <a class="el" href="group__ssltls__communication__module.html">SSL/TLS communication module</a> to use. In the TCP/IP-model it provides for communication up to the Transport (or Host-to-host) layer. SSL/TLS resides on top of that, in the Application layer, and makes use of its basic provisions:</p><ul>
<li>listening on a port (see <code><a class="el" href="net__sockets_8h.html#aa1cb7fc819153c43a2c75c95d0152c75" title="Create a receiving socket on bind_ip:port in the chosen protocol. If bind_ip == NULL, all interfaces are bound. ">mbedtls_net_bind()</a></code>).</li>
<li>accepting a connection (through <code><a class="el" href="net__sockets_8h.html#a2f862b9086f3466593d5cf399b2c98c6" title="Accept a connection from a remote client. ">mbedtls_net_accept()</a></code>).</li>
<li>read/write (through <code><a class="el" href="net__sockets_8h.html#a03af351ec420bbeb5e91357abcfb3663" title="Read at most 'len' characters. If no error occurs, the actual amount read is returned. ">mbedtls_net_recv()</a>/<code><a class="el" href="net__sockets_8h.html#a4841afd0e14f1fd44b82c3a850961ab7" title="Write at most 'len' characters. If no error occurs, the actual amount read is returned. ">mbedtls_net_send()</a></code>)</code>.</li>
<li>close a connection (through <code>mbedtls_net_close()</code>).</li>
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<p>This way you have the means to, for example, implement and use an UDP or IPSec communication solution as a basis.</p>
<p>This module can be used at server- and clientside to provide a basic means of communication over the internet. </p>
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