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<hr><h1>UDPTransmit Class Reference</h1>Representing half of a two-way UDP connection, the UDP transmitter can broadcast data to another selected peer host or to an entire subnet. Unreliable Datagram Peer Associations.
<a href="#_details">More...</a>
<p>
<code>#include <<a class="el" href="socket_8h-source.html">socket.h</a>></code>
<p>
<p>Inheritance diagram for UDPTransmit::
<p><center><img src="class_u_d_p_transmit.gif" usemap="#UDPTransmit_map" border="0"></center>
<map name="UDPTransmit_map">
<area href="class_u_d_p_socket.html" alt="UDPSocket" shape="rect" coords="0,0,84,24">
<area href="class_u_d_p_duplex.html" alt="UDPDuplex" shape="rect" coords="0,112,84,136">
</map>
<a href="class_u_d_p_transmit-members.html">List of all members.</a><table border=0 cellpadding=0 cellspacing=0>
<tr><td colspan=2><br><h2>Public Methods</h2></td></tr>
<tr><td nowrap align=right valign=top>int </td><td valign=bottom><a class="el" href="class_u_d_p_transmit.html#a0">Transmit</a> (const char *buffer, size_t len)</td></tr>
<tr><td> </td><td><font size=-1><em>Transmit "send" to use "connected" send rather than sendto.</em> <a href="#a0">More...</a><em></em></font><br><br></td></tr>
<tr><td nowrap align=right valign=top>bool </td><td valign=bottom><a class="el" href="class_u_d_p_transmit.html#a1">isOutputReady</a> (unsigned long timeout=0l)</td></tr>
<tr><td> </td><td><font size=-1><em>See if output queue is empty for sending more packets.</em> <a href="#a1">More...</a><em></em></font><br><br></td></tr>
<tr><td nowrap align=right valign=top><a class="el" href="socket_8h.html#a64">sockerror_t</a> </td><td valign=bottom><a class="el" href="class_u_d_p_transmit.html#a2">setRouting</a> (bool enable)</td></tr>
<tr><td nowrap align=right valign=top><a class="el" href="socket_8h.html#a64">sockerror_t</a> </td><td valign=bottom><a class="el" href="class_u_d_p_transmit.html#a3">setTypeOfService</a> (<a class="el" href="socket_8h.html#a65">socktos_t</a> tos)</td></tr>
<tr><td nowrap align=right valign=top><a class="el" href="socket_8h.html#a64">sockerror_t</a> </td><td valign=bottom><a class="el" href="class_u_d_p_transmit.html#a4">setBroadcast</a> (bool enable)</td></tr>
<tr><td colspan=2><br><h2>Protected Methods</h2></td></tr>
<tr><td nowrap align=right valign=top> </td><td valign=bottom><a class="el" href="class_u_d_p_transmit.html#b0">UDPTransmit</a> ()</td></tr>
<tr><td> </td><td><font size=-1><em>Create a UDP transmitter.</em> <a href="#b0">More...</a><em></em></font><br><br></td></tr>
<tr><td nowrap align=right valign=top> </td><td valign=bottom><a class="el" href="class_u_d_p_transmit.html#b1">UDPTransmit</a> (const <a class="el" href="class_inet_address.html">InetAddress</a> &bind, <a class="el" href="socket_8h.html#a7">tpport_t</a> port=5005)</td></tr>
<tr><td> </td><td><font size=-1><em>Create a UDP transmitter, bind it to a specific interface and port address so that other UDP sockets on remote machines (or the same host) may find and send UDP messages to it, and associate it with a given port on a peer host.</em> <a href="#b1">More...</a><em></em></font><br><br></td></tr>
<tr><td nowrap align=right valign=top><a class="el" href="socket_8h.html#a64">sockerror_t</a> </td><td valign=bottom><a class="el" href="class_u_d_p_transmit.html#b2">Connect</a> (const <a class="el" href="class_inet_host_address.html">InetHostAddress</a> &host, <a class="el" href="socket_8h.html#a7">tpport_t</a> port)</td></tr>
<tr><td> </td><td><font size=-1><em>Associate this socket with a specified peer host.</em> <a href="#b2">More...</a><em></em></font><br><br></td></tr>
<tr><td nowrap align=right valign=top><a class="el" href="socket_8h.html#a64">sockerror_t</a> </td><td valign=bottom><a class="el" href="class_u_d_p_transmit.html#b3">Connect</a> (const <a class="el" href="class_broadcast_address.html">BroadcastAddress</a> &subnet, <a class="el" href="socket_8h.html#a7">tpport_t</a> port)</td></tr>
<tr><td> </td><td><font size=-1><em>Associate this socket with a subnet of peer hosts for subnet broadcasting.</em> <a href="#b3">More...</a><em></em></font><br><br></td></tr>
<tr><td nowrap align=right valign=top><a class="el" href="socket_8h.html#a64">sockerror_t</a> </td><td valign=bottom><a class="el" href="class_u_d_p_transmit.html#b4">Disconnect</a> (void)</td></tr>
<tr><td> </td><td><font size=-1><em>Disassociate this socket from any host connection.</em> <a href="#b4">More...</a><em></em></font><br><br></td></tr>
<tr><td nowrap align=right valign=top>int </td><td valign=bottom><a class="el" href="class_u_d_p_transmit.html#b5">Send</a> (void *buf, int len)</td></tr>
<tr><td> </td><td><font size=-1><em>Transmit "send" to use "connected" send rather than sendto.</em> <a href="#b5">More...</a><em></em></font><br><br></td></tr>
<tr><td nowrap align=right valign=top>void </td><td valign=bottom><a class="el" href="class_u_d_p_transmit.html#b6">endTransmitter</a> (void)</td></tr>
<tr><td> </td><td><font size=-1><em>Stop transmitter.</em> <a href="#b6">More...</a><em></em></font><br><br></td></tr>
<tr><td nowrap align=right valign=top><a class="el" href="socket_8h.html#a2">SOCKET</a> </td><td valign=bottom><a class="el" href="class_u_d_p_transmit.html#b7">getTransmitter</a> (void)</td></tr>
</table>
<hr><a name="_details"></a><h2>Detailed Description</h2>
Representing half of a two-way UDP connection, the UDP transmitter can broadcast data to another selected peer host or to an entire subnet. Unreliable Datagram Peer Associations.
<p>
<dl compact><dt><b>
Author: </b><dd>
David Sugar <<a href="mailto:dyfet@ostel.com">dyfet@ostel.com</a>> </dl>
<p>
<hr><h2>Constructor & Destructor Documentation</h2>
<a name="b0" doxytag="UDPTransmit::UDPTransmit"></a><p>
<table width="100%" cellpadding="2" cellspacing="0" border="0">
<tr>
<td class="md">
<table cellpadding="0" cellspacing="0" border="0">
<tr>
<td class="md" nowrap valign="top"> UDPTransmit::UDPTransmit </td>
<td class="md">( </td>
<td class="mdname1"> </td>
<td class="md">) </td>
<td class="md"><code> [protected]</code></td>
</tr>
</table>
</td>
</tr>
</table>
<table cellspacing=5 cellpadding=0 border=0>
<tr>
<td>
</td>
<td>
<p>
Create a UDP transmitter.
<p>
</td>
</tr>
</table>
<a name="b1" doxytag="UDPTransmit::UDPTransmit"></a><p>
<table width="100%" cellpadding="2" cellspacing="0" border="0">
<tr>
<td class="md">
<table cellpadding="0" cellspacing="0" border="0">
<tr>
<td class="md" nowrap valign="top"> UDPTransmit::UDPTransmit </td>
<td class="md">( </td>
<td class="md">const <a class="el" href="class_inet_address.html">InetAddress</a> &</td>
<td class="mdname"> <em>bind</em>, </td>
</tr>
<tr>
<td></td>
<td></td>
<td class="md"><a class="el" href="socket_8h.html#a7">tpport_t</a></td>
<td class="mdname"> <em>port</em> = 5005</td>
</tr>
<tr>
<td></td>
<td class="md">) </td>
<td class="md" colspan="2"><code> [protected]</code></td>
</tr>
</table>
</td>
</tr>
</table>
<table cellspacing=5 cellpadding=0 border=0>
<tr>
<td>
</td>
<td>
<p>
Create a UDP transmitter, bind it to a specific interface and port address so that other UDP sockets on remote machines (or the same host) may find and send UDP messages to it, and associate it with a given port on a peer host.
<p>
On failure to bind, an exception is thrown. This class is only used to build the UDP Duplex.<dl compact><dt><b>
Parameters: </b><dd>
<table border=0 cellspacing=2 cellpadding=0>
<tr><td valign=top><em>bind
</em> </td><td>
address to bind this socket to. </td></tr>
<tr><td valign=top><em>port
</em> </td><td>
number to bind this socket to. </td></tr>
<tr><td valign=top><em>port
</em> </td><td>
number on peer host to associate with. </td></tr>
</table>
</dl> </td>
</tr>
</table>
<hr><h2>Member Function Documentation</h2>
<a name="b3" doxytag="UDPTransmit::Connect"></a><p>
<table width="100%" cellpadding="2" cellspacing="0" border="0">
<tr>
<td class="md">
<table cellpadding="0" cellspacing="0" border="0">
<tr>
<td class="md" nowrap valign="top"> <a class="el" href="socket_8h.html#a64">sockerror_t</a> UDPTransmit::Connect </td>
<td class="md">( </td>
<td class="md">const <a class="el" href="class_broadcast_address.html">BroadcastAddress</a> &</td>
<td class="mdname"> <em>subnet</em>, </td>
</tr>
<tr>
<td></td>
<td></td>
<td class="md"><a class="el" href="socket_8h.html#a7">tpport_t</a></td>
<td class="mdname"> <em>port</em></td>
</tr>
<tr>
<td></td>
<td class="md">) </td>
<td class="md" colspan="2"><code> [protected]</code></td>
</tr>
</table>
</td>
</tr>
</table>
<table cellspacing=5 cellpadding=0 border=0>
<tr>
<td>
</td>
<td>
<p>
Associate this socket with a subnet of peer hosts for subnet broadcasting.
<p>
The server must be able to assert broadcast permission for the socket.
<p>
<dl compact><dt><b>
Returns: </b><dd>
0 on success, -1 on error. </dl><dl compact><dt><b>
Parameters: </b><dd>
<table border=0 cellspacing=2 cellpadding=0>
<tr><td valign=top><em>subnet
</em> </td><td>
address to broadcast into. </td></tr>
</table>
</dl> </td>
</tr>
</table>
<a name="b2" doxytag="UDPTransmit::Connect"></a><p>
<table width="100%" cellpadding="2" cellspacing="0" border="0">
<tr>
<td class="md">
<table cellpadding="0" cellspacing="0" border="0">
<tr>
<td class="md" nowrap valign="top"> <a class="el" href="socket_8h.html#a64">sockerror_t</a> UDPTransmit::Connect </td>
<td class="md">( </td>
<td class="md">const <a class="el" href="class_inet_host_address.html">InetHostAddress</a> &</td>
<td class="mdname"> <em>host</em>, </td>
</tr>
<tr>
<td></td>
<td></td>
<td class="md"><a class="el" href="socket_8h.html#a7">tpport_t</a></td>
<td class="mdname"> <em>port</em></td>
</tr>
<tr>
<td></td>
<td class="md">) </td>
<td class="md" colspan="2"><code> [protected]</code></td>
</tr>
</table>
</td>
</tr>
</table>
<table cellspacing=5 cellpadding=0 border=0>
<tr>
<td>
</td>
<td>
<p>
Associate this socket with a specified peer host.
<p>
The port number from the constructor will be used. All UDP packets will be sent to and received from the specified host.
<p>
<dl compact><dt><b>
Returns: </b><dd>
0 on success, -1 on error. </dl><dl compact><dt><b>
Parameters: </b><dd>
<table border=0 cellspacing=2 cellpadding=0>
<tr><td valign=top><em>host
</em> </td><td>
address to connect socket to. </td></tr>
</table>
</dl>
<p>
Reimplemented in <a class="el" href="class_u_d_p_duplex.html#a1">UDPDuplex</a>. </td>
</tr>
</table>
<a name="b4" doxytag="UDPTransmit::Disconnect"></a><p>
<table width="100%" cellpadding="2" cellspacing="0" border="0">
<tr>
<td class="md">
<table cellpadding="0" cellspacing="0" border="0">
<tr>
<td class="md" nowrap valign="top"> <a class="el" href="socket_8h.html#a64">sockerror_t</a> UDPTransmit::Disconnect </td>
<td class="md">( </td>
<td class="md">void</td>
<td class="mdname1"> </td>
<td class="md">) </td>
<td class="md"><code> [protected]</code></td>
</tr>
</table>
</td>
</tr>
</table>
<table cellspacing=5 cellpadding=0 border=0>
<tr>
<td>
</td>
<td>
<p>
Disassociate this socket from any host connection.
<p>
No data should be read or written until a connection is established.
<p>
Reimplemented in <a class="el" href="class_u_d_p_duplex.html#a2">UDPDuplex</a>. </td>
</tr>
</table>
<a name="b5" doxytag="UDPTransmit::Send"></a><p>
<table width="100%" cellpadding="2" cellspacing="0" border="0">
<tr>
<td class="md">
<table cellpadding="0" cellspacing="0" border="0">
<tr>
<td class="md" nowrap valign="top"> int UDPTransmit::Send </td>
<td class="md">( </td>
<td class="md">void *</td>
<td class="mdname"> <em>buf</em>, </td>
</tr>
<tr>
<td></td>
<td></td>
<td class="md">int</td>
<td class="mdname"> <em>len</em></td>
</tr>
<tr>
<td></td>
<td class="md">) </td>
<td class="md" colspan="2"><code> [inline, protected]</code></td>
</tr>
</table>
</td>
</tr>
</table>
<table cellspacing=5 cellpadding=0 border=0>
<tr>
<td>
</td>
<td>
<p>
Transmit "send" to use "connected" send rather than sendto.
<p>
<dl compact><dt><b>
Returns: </b><dd>
number of bytes sent. </dl><dl compact><dt><b>
Parameters: </b><dd>
<table border=0 cellspacing=2 cellpadding=0>
<tr><td valign=top><em>address
</em> </td><td>
of buffer to send. </td></tr>
<tr><td valign=top><em>len
</em> </td><td>
of bytes to send. </td></tr>
</table>
</dl> </td>
</tr>
</table>
<a name="a0" doxytag="UDPTransmit::Transmit"></a><p>
<table width="100%" cellpadding="2" cellspacing="0" border="0">
<tr>
<td class="md">
<table cellpadding="0" cellspacing="0" border="0">
<tr>
<td class="md" nowrap valign="top"> int UDPTransmit::Transmit </td>
<td class="md">( </td>
<td class="md">const char *</td>
<td class="mdname"> <em>buffer</em>, </td>
</tr>
<tr>
<td></td>
<td></td>
<td class="md">size_t</td>
<td class="mdname"> <em>len</em></td>
</tr>
<tr>
<td></td>
<td class="md">) </td>
<td class="md" colspan="2"><code> [inline]</code></td>
</tr>
</table>
</td>
</tr>
</table>
<table cellspacing=5 cellpadding=0 border=0>
<tr>
<td>
</td>
<td>
<p>
Transmit "send" to use "connected" send rather than sendto.
<p>
<dl compact><dt><b>
Note: </b><dd>
Windows does not support MSG_DONTWAIT, so it is defined as 0 on that platform. </dl><dl compact><dt><b>
Returns: </b><dd>
number of bytes sent. </dl><dl compact><dt><b>
Parameters: </b><dd>
<table border=0 cellspacing=2 cellpadding=0>
<tr><td valign=top><em>address
</em> </td><td>
of buffer to send. </td></tr>
<tr><td valign=top><em>len
</em> </td><td>
of bytes to send. </td></tr>
</table>
</dl> </td>
</tr>
</table>
<a name="b6" doxytag="UDPTransmit::endTransmitter"></a><p>
<table width="100%" cellpadding="2" cellspacing="0" border="0">
<tr>
<td class="md">
<table cellpadding="0" cellspacing="0" border="0">
<tr>
<td class="md" nowrap valign="top"> void UDPTransmit::endTransmitter </td>
<td class="md">( </td>
<td class="md">void</td>
<td class="mdname1"> </td>
<td class="md">) </td>
<td class="md"><code> [inline, protected]</code></td>
</tr>
</table>
</td>
</tr>
</table>
<table cellspacing=5 cellpadding=0 border=0>
<tr>
<td>
</td>
<td>
<p>
Stop transmitter.
<p>
</td>
</tr>
</table>
<a name="b7" doxytag="UDPTransmit::getTransmitter"></a><p>
<table width="100%" cellpadding="2" cellspacing="0" border="0">
<tr>
<td class="md">
<table cellpadding="0" cellspacing="0" border="0">
<tr>
<td class="md" nowrap valign="top"> <a class="el" href="socket_8h.html#a2">SOCKET</a> UDPTransmit::getTransmitter </td>
<td class="md">( </td>
<td class="md">void</td>
<td class="mdname1"> </td>
<td class="md">) </td>
<td class="md"><code> [inline, protected]</code></td>
</tr>
</table>
</td>
</tr>
</table>
<table cellspacing=5 cellpadding=0 border=0>
<tr>
<td>
</td>
<td>
<p>
</td>
</tr>
</table>
<a name="a1" doxytag="UDPTransmit::isOutputReady"></a><p>
<table width="100%" cellpadding="2" cellspacing="0" border="0">
<tr>
<td class="md">
<table cellpadding="0" cellspacing="0" border="0">
<tr>
<td class="md" nowrap valign="top"> bool UDPTransmit::isOutputReady </td>
<td class="md">( </td>
<td class="md">unsigned long</td>
<td class="mdname1"> <em>timeout</em> = 0l </td>
<td class="md">) </td>
<td class="md"><code> [inline]</code></td>
</tr>
</table>
</td>
</tr>
</table>
<table cellspacing=5 cellpadding=0 border=0>
<tr>
<td>
</td>
<td>
<p>
See if output queue is empty for sending more packets.
<p>
<dl compact><dt><b>
Returns: </b><dd>
true if output available. </dl><dl compact><dt><b>
Parameters: </b><dd>
<table border=0 cellspacing=2 cellpadding=0>
<tr><td valign=top><em>timeout
</em> </td><td>
in milliseconds to wait. </td></tr>
</table>
</dl> </td>
</tr>
</table>
<a name="a4" doxytag="UDPTransmit::setBroadcast"></a><p>
<table width="100%" cellpadding="2" cellspacing="0" border="0">
<tr>
<td class="md">
<table cellpadding="0" cellspacing="0" border="0">
<tr>
<td class="md" nowrap valign="top"> <a class="el" href="socket_8h.html#a64">sockerror_t</a> UDPTransmit::setBroadcast </td>
<td class="md">( </td>
<td class="md">bool</td>
<td class="mdname1"> <em>enable</em> </td>
<td class="md">) </td>
<td class="md"><code> [inline]</code></td>
</tr>
</table>
</td>
</tr>
</table>
<table cellspacing=5 cellpadding=0 border=0>
<tr>
<td>
</td>
<td>
<p>
<p>
Reimplemented from <a class="el" href="class_socket.html#b5">Socket</a>. </td>
</tr>
</table>
<a name="a2" doxytag="UDPTransmit::setRouting"></a><p>
<table width="100%" cellpadding="2" cellspacing="0" border="0">
<tr>
<td class="md">
<table cellpadding="0" cellspacing="0" border="0">
<tr>
<td class="md" nowrap valign="top"> <a class="el" href="socket_8h.html#a64">sockerror_t</a> UDPTransmit::setRouting </td>
<td class="md">( </td>
<td class="md">bool</td>
<td class="mdname1"> <em>enable</em> </td>
<td class="md">) </td>
<td class="md"><code> [inline]</code></td>
</tr>
</table>
</td>
</tr>
</table>
<table cellspacing=5 cellpadding=0 border=0>
<tr>
<td>
</td>
<td>
<p>
<p>
Reimplemented from <a class="el" href="class_socket.html#b11">Socket</a>. </td>
</tr>
</table>
<a name="a3" doxytag="UDPTransmit::setTypeOfService"></a><p>
<table width="100%" cellpadding="2" cellspacing="0" border="0">
<tr>
<td class="md">
<table cellpadding="0" cellspacing="0" border="0">
<tr>
<td class="md" nowrap valign="top"> <a class="el" href="socket_8h.html#a64">sockerror_t</a> UDPTransmit::setTypeOfService </td>
<td class="md">( </td>
<td class="md"><a class="el" href="socket_8h.html#a65">socktos_t</a></td>
<td class="mdname1"> <em>tos</em> </td>
<td class="md">) </td>
<td class="md"><code> [inline]</code></td>
</tr>
</table>
</td>
</tr>
</table>
<table cellspacing=5 cellpadding=0 border=0>
<tr>
<td>
</td>
<td>
<p>
<p>
Reimplemented from <a class="el" href="class_socket.html#a8">Socket</a>. </td>
</tr>
</table>
<hr>The documentation for this class was generated from the following file:<ul>
<li><a class="el" href="socket_8h-source.html">socket.h</a></ul>
<hr><address><small>Generated at Tue Nov 20 13:28:51 2001 for CommonC++ by
<a href="http://www.doxygen.org/index.html">
<img src="doxygen.gif" alt="doxygen" align="middle" border=0
width=110 height=53></a>1.2.10 written by <a href="mailto:dimitri@stack.nl">Dimitri van Heesch</a>,
© 1997-2001</small></address>
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