a00147.html

uip-1.0,give everyone who want.

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<p>
Has the connection been closed by the other end? 
<p>
Is non-zero if the connection has been closed by the remote host. The application may then do the necessary clean-ups. <dl compact><dt><b>Examples: </b></dt><dd>
<a class="el" href="a00038.html#a184">smtp.c</a>, <a class="el" href="a00044.html#a235">telnetd.c</a>, and <a class="el" href="a00040.html#a305">webclient.c</a>.</dl>
<p>
Definition at line <a class="el" href="a00202.html#l00670">670</a> of file <a class="el" href="a00202.html">uip.h</a>.
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Referenced by <a class="el" href="a00184.html#l00298">httpd_appcall()</a>, <a class="el" href="a00174.html#l00190">smtp_appcall()</a>, and <a class="el" href="a00180.html#l00378">webclient_appcall()</a>.    </td>
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<a class="anchor" name="gdb971fb1525d0c5002f52125b05f3218"></a><!-- doxytag: member="uip.h::uip_connected" ref="gdb971fb1525d0c5002f52125b05f3218" args="()" --><p>
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          <td class="md" nowrap valign="top">#define uip_connected          </td>
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<p>
Has the connection just been connected? 
<p>
Reduces to non-zero if the current connection has been connected to a remote host. This will happen both if the connection has been actively opened (with <a class="el" href="a00147.html#g8096b0c4b543dc408f4dd031ddae7240">uip_connect()</a>) or passively opened (with <a class="el" href="a00147.html#gdd1ab3704ecd4900eec61a6897d32dc8">uip_listen()</a>). <dl compact><dt><b>Examples: </b></dt><dd>
<a class="el" href="a00036.html#a107">hello-world.c</a>, <a class="el" href="a00044.html#a232">telnetd.c</a>, and <a class="el" href="a00040.html#a293">webclient.c</a>.</dl>
<p>
Definition at line <a class="el" href="a00202.html#l00660">660</a> of file <a class="el" href="a00202.html">uip.h</a>.
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Referenced by <a class="el" href="a00170.html#l00055">hello_world_appcall()</a>, <a class="el" href="a00184.html#l00298">httpd_appcall()</a>, and <a class="el" href="a00180.html#l00378">webclient_appcall()</a>.    </td>
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<a class="anchor" name="g1a1bc437c09ddef238abab41d77c3177"></a><!-- doxytag: member="uip.h::uip_datalen" ref="g1a1bc437c09ddef238abab41d77c3177" args="()" --><p>
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          <td class="md" nowrap valign="top">#define uip_datalen          </td>
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<p>
The length of any incoming data that is currently avaliable (if avaliable) in the uip_appdata buffer. 
<p>
The test function uip_data() must first be used to check if there is any data available at all. <dl compact><dt><b>Examples: </b></dt><dd>
<a class="el" href="a00048.html#a15">dhcpc.c</a>, <a class="el" href="a00044.html#a231">telnetd.c</a>, and <a class="el" href="a00040.html#a290">webclient.c</a>.</dl>
<p>
Definition at line <a class="el" href="a00202.html#l00550">550</a> of file <a class="el" href="a00202.html">uip.h</a>.    </td>
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<a class="anchor" name="gb5fecbc62edd128012cea0f47b57ab9f"></a><!-- doxytag: member="uip.h::uip_mss" ref="gb5fecbc62edd128012cea0f47b57ab9f" args="()" --><p>
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          <td class="md" nowrap valign="top">#define uip_mss          </td>
          <td class="md" valign="top">(&nbsp;</td>
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<p>
Get the current maxium segment size that can be sent on the current connection. 
<p>
The current maxiumum segment size that can be sent on the connection is computed from the receiver's window and the MSS of the connection (which also is available by calling <a class="el" href="a00147.html#ga87feebc7cffd4d8300e776cf64e4fec">uip_initialmss()</a>). <dl compact><dt><b>Examples: </b></dt><dd>
<a class="el" href="a00044.html#a225">telnetd.c</a>, and <a class="el" href="a00040.html#a277">webclient.c</a>.</dl>
<p>
Definition at line <a class="el" href="a00202.html#l00737">737</a> of file <a class="el" href="a00202.html">uip.h</a>.    </td>
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<a class="anchor" name="g26a14b8dae3f861830af9e7cf1e03725"></a><!-- doxytag: member="uip.h::uip_newdata" ref="g26a14b8dae3f861830af9e7cf1e03725" args="()" --><p>
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          <td class="md" nowrap valign="top">#define uip_newdata          </td>
          <td class="md" valign="top">(&nbsp;</td>
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<p>
Is new incoming data available? 
<p>
Will reduce to non-zero if there is new data for the application present at the uip_appdata pointer. The size of the data is avaliable through the uip_len variable. <dl compact><dt><b>Examples: </b></dt><dd>
<a class="el" href="a00048.html#a25">dhcpc.c</a>, <a class="el" href="a00046.html#a145">resolv.c</a>, <a class="el" href="a00044.html#a239">telnetd.c</a>, and <a class="el" href="a00040.html#a301">webclient.c</a>.</dl>
<p>
Definition at line <a class="el" href="a00202.html#l00637">637</a> of file <a class="el" href="a00202.html">uip.h</a>.
<p>
Referenced by <a class="el" href="a00192.html#l00253">psock_newdata()</a>, <a class="el" href="a00172.html#l00331">resolv_appcall()</a>, and <a class="el" href="a00180.html#l00378">webclient_appcall()</a>.    </td>
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<a class="anchor" name="g58bb90796c1cdad3aac2ecf44d87b20e"></a><!-- doxytag: member="uip.h::uip_poll" ref="g58bb90796c1cdad3aac2ecf44d87b20e" args="()" --><p>
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          <td class="md" nowrap valign="top">#define uip_poll          </td>
          <td class="md" valign="top">(&nbsp;</td>
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<p>
Is the connection being polled by uIP? 
<p>
Is non-zero if the reason the application is invoked is that the current connection has been idle for a while and should be polled.<p>
The polling event can be used for sending data without having to wait for the remote host to send data. <dl compact><dt><b>Examples: </b></dt><dd>
<a class="el" href="a00046.html#a144">resolv.c</a>, <a class="el" href="a00044.html#a241">telnetd.c</a>, and <a class="el" href="a00040.html#a303">webclient.c</a>.</dl>
<p>
Definition at line <a class="el" href="a00202.html#l00716">716</a> of file <a class="el" href="a00202.html">uip.h</a>.
<p>
Referenced by <a class="el" href="a00184.html#l00298">httpd_appcall()</a>, <a class="el" href="a00172.html#l00331">resolv_appcall()</a>, and <a class="el" href="a00180.html#l00378">webclient_appcall()</a>.    </td>
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<a class="anchor" name="g81ac47cee1c18f6aa479044069db7ca3"></a><!-- doxytag: member="uip.h::uip_restart" ref="g81ac47cee1c18f6aa479044069db7ca3" args="()" --><p>
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          <td class="md" nowrap valign="top">#define uip_restart          </td>
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<p>
Restart the current connection, if is has previously been stopped with <a class="el" href="a00147.html#g0a8bb9d6d0f1f56852ccfccbbad6c5d8">uip_stop()</a>. 
<p>
This function will open the receiver's window again so that we start receiving data for the current connection. 
<p>
Definition at line <a class="el" href="a00202.html#l00610">610</a> of file <a class="el" href="a00202.html">uip.h</a>.    </td>
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<a class="anchor" name="ga8933ad15a2e2947dae4a5cff50e6007"></a><!-- doxytag: member="uip.h::uip_rexmit" ref="ga8933ad15a2e2947dae4a5cff50e6007" args="()" --><p>
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          <td class="md" nowrap valign="top">#define uip_rexmit          </td>
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<p>
Do we need to retransmit previously data? 
<p>
Reduces to non-zero if the previously sent data has been lost in the network, and the application should retransmit it. The application should send the exact same data as it did the last time, using the <a class="el" href="a00147.html#g04b053a623aac7cd4195157d470661b3">uip_send()</a> function. <dl compact><dt><b>Examples: </b></dt><dd>
<a class="el" href="a00044.html#a240">telnetd.c</a>, and <a class="el" href="a00040.html#a302">webclient.c</a>.</dl>
<p>
Definition at line <a class="el" href="a00202.html#l00702">702</a> of file <a class="el" href="a00202.html">uip.h</a>.
<p>
Referenced by <a class="el" href="a00180.html#l00378">webclient_appcall()</a>.    </td>
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