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QUdpSocket
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SUMMARY: <A HREF="#nested_class_summary">NESTED</A> | <A HREF="#fields_inherited_from_class_com.trolltech.qt.network.QAbstractSocket">FIELD</A> | <A HREF="#constructor_summary">CONSTR</A> | <A HREF="#method_summary">METHOD</A></FONT></TD>
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com.trolltech.qt.network</FONT>
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Class QUdpSocket</H2>
<PRE>
java.lang.Object
<IMG SRC="../../../../resources/inherit.gif" ALT="extended by "><A HREF="../../../../com/trolltech/qt/QSignalEmitter.html" title="class in com.trolltech.qt">com.trolltech.qt.QSignalEmitter</A>
<IMG SRC="../../../../resources/inherit.gif" ALT="extended by "><A HREF="../../../../com/trolltech/qt/QtJambiObject.html" title="class in com.trolltech.qt">com.trolltech.qt.QtJambiObject</A>
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<IMG SRC="../../../../resources/inherit.gif" ALT="extended by "><A HREF="../../../../com/trolltech/qt/network/QAbstractSocket.html" title="class in com.trolltech.qt.network">com.trolltech.qt.network.QAbstractSocket</A>
<IMG SRC="../../../../resources/inherit.gif" ALT="extended by "><B>com.trolltech.qt.network.QUdpSocket</B>
</PRE>
<DL>
<DT><B>All Implemented Interfaces:</B> <DD><A HREF="../../../../com/trolltech/qt/QtJambiInterface.html" title="interface in com.trolltech.qt">QtJambiInterface</A></DD>
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<DL>
<DT><PRE>public class <B>QUdpSocket</B><DT>extends <A HREF="../../../../com/trolltech/qt/network/QAbstractSocket.html" title="class in com.trolltech.qt.network">QAbstractSocket</A></DL>
</PRE>
<P>
<p>The <a href="QUdpSocket.html#QUdpSocket(com.trolltech.qt.core.QObject)"><tt>QUdpSocket</tt></a> class provides a UDP socket.</p>
<p>UDP (User Datagram Protocol) is a lightweight, unreliable, datagram-oriented, connectionless protocol. It can be used when reliability isn't important. <a href="QUdpSocket.html#QUdpSocket(com.trolltech.qt.core.QObject)"><tt>QUdpSocket</tt></a> is a subclass of <a href="QAbstractSocket.html#QAbstractSocket(com.trolltech.qt.network.QAbstractSocket.SocketType, com.trolltech.qt.core.QObject)"><tt>QAbstractSocket</tt></a> that allows you to send and receive UDP datagrams.</p>
<p>The most common way to use this class is to bind to an address and port using bind(), then call writeDatagram() and readDatagram() to transfer data. If you want to use the standard <a href="%2E%2E/core/%2E%2E/core/QIODevice.html#QIODevice(com.trolltech.qt.core.QObject)"><tt>QIODevice</tt></a> functions <a href="%2E%2E/core/%2E%2E/core/QIODevice.html#read(long)"><tt>read</tt></a>, <a href="%2E%2E/core/%2E%2E/core/QIODevice.html#readLine(long)"><tt>readLine</tt></a>, <a href="%2E%2E/core/%2E%2E/core/QIODevice.html#write(com.trolltech.qt.core.QByteArray)"><tt>write</tt></a>, etc., you must first connect the socket directly to a peer by calling connectToHost().</p>
<p>The socket emits the <a href="QUdpSocket.html#bytesWritten(long)"><tt>bytesWritten</tt></a> signal every time a datagram is written to the network. If you just want to send datagrams, you don't need to call bind().</p>
<p>The <a href="QUdpSocket.html#readyRead()"><tt>readyRead</tt></a> signal is emitted whenever datagrams arrive. In that case, <a href="QUdpSocket.html#hasPendingDatagrams()"><tt>hasPendingDatagrams</tt></a> returns true. Call <a href="QUdpSocket.html#pendingDatagramSize()"><tt>pendingDatagramSize</tt></a> to obtain the size of the first pending datagram, and readDatagram() to read it.</p>
<p>Example:</p>
<pre> void Server::initSocket()
{
udpSocket = new QUdpSocket(this);
udpSocket->bind(QHostAddress::LocalHost, 7755);
connect(udpSocket, SIGNAL(readyRead()),
this, SLOT(readPendingDatagrams()));
}
void Server::readPendingDatagrams()
{
while (udpSocket->hasPendingDatagrams()) {
QByteArray datagram;
datagram.resize(udpSocket->pendingDatagramSize());
QHostAddress sender;
quint16 senderPort;
udpSocket->readDatagram(datagram.data(), datagram.size(),
&sender, &senderPort);
processTheDatagram(datagram);
}
}</pre>
<p>With <a href="QUdpSocket.html#QUdpSocket(com.trolltech.qt.core.QObject)"><tt>QUdpSocket</tt></a>, you can also establish a virtual connection to a UDP server using connectToHost() and then use <a href="%2E%2E/core/%2E%2E/core/QIODevice.html#read(long)"><tt>read</tt></a> and <a href="%2E%2E/core/%2E%2E/core/QIODevice.html#write(com.trolltech.qt.core.QByteArray)"><tt>write</tt></a> to exchange datagrams without specifying the receiver for each datagram.</p>
<p>The Broadcast Sender</tt> and Broadcast Receiver</tt> examples illustrate how to use <a href="QUdpSocket.html#QUdpSocket(com.trolltech.qt.core.QObject)"><tt>QUdpSocket</tt></a> in applications.</p>
<P>
<P>
<DL>
<DT><B>See Also:</B><DD><a href="QTcpSocket.html"><tt>QTcpSocket</tt></a></DL>
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<CODE>static class</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../com/trolltech/qt/network/QUdpSocket.BindFlag.html" title="enum in com.trolltech.qt.network">QUdpSocket.BindFlag</A></B></CODE>
<BR>
This enum describes the different flags you can pass to modify the behavior of QUdpSocket.:bind().</TD>
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<CODE>static class</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../com/trolltech/qt/network/QUdpSocket.BindMode.html" title="class in com.trolltech.qt.network">QUdpSocket.BindMode</A></B></CODE>
<BR>
This QFlag class provides flags for the int enum.</TD>
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<CODE>static class</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../com/trolltech/qt/network/QUdpSocket.HostInfo.html" title="class in com.trolltech.qt.network">QUdpSocket.HostInfo</A></B></CODE>
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<A NAME="nested_classes_inherited_from_class_com.trolltech.qt.network.QAbstractSocket"><!-- --></A>
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<TH ALIGN="left"><B>Nested classes/interfaces inherited from class com.trolltech.qt.network.<A HREF="../../../../com/trolltech/qt/network/QAbstractSocket.html" title="class in com.trolltech.qt.network">QAbstractSocket</A></B></TH>
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<TR BGCOLOR="white" CLASS="TableRowColor">
<TD><CODE><A HREF="../../../../com/trolltech/qt/network/QAbstractSocket.NetworkLayerProtocol.html" title="enum in com.trolltech.qt.network">QAbstractSocket.NetworkLayerProtocol</A>, <A HREF="../../../../com/trolltech/qt/network/QAbstractSocket.SocketError.html" title="enum in com.trolltech.qt.network">QAbstractSocket.SocketError</A>, <A HREF="../../../../com/trolltech/qt/network/QAbstractSocket.SocketState.html" title="enum in com.trolltech.qt.network">QAbstractSocket.SocketState</A>, <A HREF="../../../../com/trolltech/qt/network/QAbstractSocket.SocketType.html" title="enum in com.trolltech.qt.network">QAbstractSocket.SocketType</A></CODE></TD>
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<A NAME="nested_classes_inherited_from_class_com.trolltech.qt.core.QIODevice"><!-- --></A>
<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
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<TH ALIGN="left"><B>Nested classes/interfaces inherited from class com.trolltech.qt.core.<A HREF="../../../../com/trolltech/qt/core/QIODevice.html" title="class in com.trolltech.qt.core">QIODevice</A></B></TH>
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<TR BGCOLOR="white" CLASS="TableRowColor">
<TD><CODE><A HREF="../../../../com/trolltech/qt/core/QIODevice.OpenMode.html" title="class in com.trolltech.qt.core">QIODevice.OpenMode</A>, <A HREF="../../../../com/trolltech/qt/core/QIODevice.OpenModeFlag.html" title="enum in com.trolltech.qt.core">QIODevice.OpenModeFlag</A></CODE></TD>
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</TABLE>
<A NAME="nested_classes_inherited_from_class_com.trolltech.qt.QSignalEmitter"><!-- --></A>
<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
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<TH ALIGN="left"><B>Nested classes/interfaces inherited from class com.trolltech.qt.<A HREF="../../../../com/trolltech/qt/QSignalEmitter.html" title="class in com.trolltech.qt">QSignalEmitter</A></B></TH>
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<TR BGCOLOR="white" CLASS="TableRowColor">
<TD><CODE><A HREF="../../../../com/trolltech/qt/QSignalEmitter.Signal0.html" title="class in com.trolltech.qt">QSignalEmitter.Signal0</A>, <A HREF="../../../../com/trolltech/qt/QSignalEmitter.Signal1.html" title="class in com.trolltech.qt">QSignalEmitter.Signal1</A><<A HREF="../../../../com/trolltech/qt/QSignalEmitter.Signal1.html" title="type parameter in QSignalEmitter.Signal1">A</A>>, <A HREF="../../../../com/trolltech/qt/QSignalEmitter.Signal2.html" title="class in com.trolltech.qt">QSignalEmitter.Signal2</A><<A HREF="../../../../com/trolltech/qt/QSignalEmitter.Signal2.html" title="type parameter in QSignalEmitter.Signal2">A</A>,<A HREF="../../../../com/trolltech/qt/QSignalEmitter.Signal2.html" title="type parameter in QSignalEmitter.Signal2">B</A>>, <A HREF="../../../../com/trolltech/qt/QSignalEmitter.Signal3.html" title="class in com.trolltech.qt">QSignalEmitter.Signal3</A><<A HREF="../../../../com/trolltech/qt/QSignalEmitter.Signal3.html" title="type parameter in QSignalEmitter.Signal3">A</A>,<A HREF="../../../../com/trolltech/qt/QSignalEmitter.Signal3.html" title="type parameter in QSignalEmitter.Signal3">B</A>,<A HREF="../../../../com/trolltech/qt/QSignalEmitter.Signal3.html" title="type parameter in QSignalEmitter.Signal3">C</A>>, <A HREF="../../../../com/trolltech/qt/QSignalEmitter.Signal4.html" title="class in com.trolltech.qt">QSignalEmitter.Signal4</A><<A HREF="../../../../com/trolltech/qt/QSignalEmitter.Signal4.html" title="type parameter in QSignalEmitter.Signal4">A</A>,<A HREF="../../../../com/trolltech/qt/QSignalEmitter.Signal4.html" title="type parameter in QSignalEmitter.Signal4">B</A>,<A HREF="../../../../com/trolltech/qt/QSignalEmitter.Signal4.html" title="type parameter in QSignalEmitter.Signal4">C</A>,<A HREF="../../../../com/trolltech/qt/QSignalEmitter.Signal4.html" title="type parameter in QSignalEmitter.Signal4">D</A>>, <A HREF="../../../../com/trolltech/qt/QSignalEmitter.Signal5.html" title="class in com.trolltech.qt">QSignalEmitter.Signal5</A><<A HREF="../../../../com/trolltech/qt/QSignalEmitter.Signal5.html" title="type parameter in QSignalEmitter.Signal5">A</A>,<A HREF="../../../../com/trolltech/qt/QSignalEmitter.Signal5.html" title="type parameter in QSignalEmitter.Signal5">B</A>,<A HREF="../../../../com/trolltech/qt/QSignalEmitter.Signal5.html" title="type parameter in QSignalEmitter.Signal5">C</A>,<A HREF="../../../../com/trolltech/qt/QSignalEmitter.Signal5.html" title="type parameter in QSignalEmitter.Signal5">D</A>,<A HREF="../../../../com/trolltech/qt/QSignalEmitter.Signal5.html" title="type parameter in QSignalEmitter.Signal5">E</A>>, <A HREF="../../../../com/trolltech/qt/QSignalEmitter.Signal6.html" title="class in com.trolltech.qt">QSignalEmitter.Signal6</A><<A HREF="../../../../com/trolltech/qt/QSignalEmitter.Signal6.html" title="type parameter in QSignalEmitter.Signal6">A</A>,<A HREF="../../../../com/trolltech/qt/QSignalEmitter.Signal6.html" title="type parameter in QSignalEmitter.Signal6">B</A>,<A HREF="../../../../com/trolltech/qt/QSignalEmitter.Signal6.html" title="type parameter in QSignalEmitter.Signal6">C</A>,<A HREF="../../../../com/trolltech/qt/QSignalEmitter.Signal6.html" title="type parameter in QSignalEmitter.Signal6">D</A>,<A HREF="../../../../com/trolltech/qt/QSignalEmitter.Signal6.html" title="type parameter in QSignalEmitter.Signal6">E</A>,<A HREF="../../../../com/trolltech/qt/QSignalEmitter.Signal6.html" title="type parameter in QSignalEmitter.Signal6">F</A>>, <A HREF="../../../../com/trolltech/qt/QSignalEmitter.Signal7.html" title="class in com.trolltech.qt">QSignalEmitter.Signal7</A><<A HREF="../../../../com/trolltech/qt/QSignalEmitter.Signal7.html" title="type parameter in QSignalEmitter.Signal7">A</A>,<A HREF="../../../../com/trolltech/qt/QSignalEmitter.Signal7.html" title="type parameter in QSignalEmitter.Signal7">B</A>,<A HREF="../../../../com/trolltech/qt/QSignalEmitter.Signal7.html" title="type parameter in 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QSignalEmitter.Signal8">C</A>,<A HREF="../../../../com/trolltech/qt/QSignalEmitter.Signal8.html" title="type parameter in QSignalEmitter.Signal8">D</A>,<A HREF="../../../../com/trolltech/qt/QSignalEmitter.Signal8.html" title="type parameter in QSignalEmitter.Signal8">E</A>,<A HREF="../../../../com/trolltech/qt/QSignalEmitter.Signal8.html" title="type parameter in QSignalEmitter.Signal8">F</A>,<A HREF="../../../../com/trolltech/qt/QSignalEmitter.Signal8.html" title="type parameter in QSignalEmitter.Signal8">G</A>,<A HREF="../../../../com/trolltech/qt/QSignalEmitter.Signal8.html" title="type parameter in QSignalEmitter.Signal8">H</A>>, <A HREF="../../../../com/trolltech/qt/QSignalEmitter.Signal9.html" title="class in com.trolltech.qt">QSignalEmitter.Signal9</A><<A HREF="../../../../com/trolltech/qt/QSignalEmitter.Signal9.html" title="type parameter in QSignalEmitter.Signal9">A</A>,<A HREF="../../../../com/trolltech/qt/QSignalEmitter.Signal9.html" title="type parameter in QSignalEmitter.Signal9">B</A>,<A HREF="../../../../com/trolltech/qt/QSignalEmitter.Signal9.html" title="type parameter in QSignalEmitter.Signal9">C</A>,<A HREF="../../../../com/trolltech/qt/QSignalEmitter.Signal9.html" title="type parameter in QSignalEmitter.Signal9">D</A>,<A HREF="../../../../com/trolltech/qt/QSignalEmitter.Signal9.html" title="type parameter in QSignalEmitter.Signal9">E</A>,<A HREF="../../../../com/trolltech/qt/QSignalEmitter.Signal9.html" title="type parameter in QSignalEmitter.Signal9">F</A>,<A HREF="../../../../com/trolltech/qt/QSignalEmitter.Signal9.html" title="type parameter in QSignalEmitter.Signal9">G</A>,<A HREF="../../../../com/trolltech/qt/QSignalEmitter.Signal9.html" title="type parameter in QSignalEmitter.Signal9">H</A>,<A HREF="../../../../com/trolltech/qt/QSignalEmitter.Signal9.html" title="type parameter in QSignalEmitter.Signal9">I</A>></CODE></TD>
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<!-- =========== FIELD SUMMARY =========== -->
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<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor">
<TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2">
<B>Field Summary</B></FONT></TH>
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</TABLE>
<A NAME="fields_inherited_from_class_com.trolltech.qt.network.QAbstractSocket"><!-- --></A>
<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
<TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor">
<TH ALIGN="left"><B>Fields inherited from class com.trolltech.qt.network.<A HREF="../../../../com/trolltech/qt/network/QAbstractSocket.html" title="class in com.trolltech.qt.network">QAbstractSocket</A></B></TH>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD><CODE><A HREF="../../../../com/trolltech/qt/network/QAbstractSocket.html#connected">connected</A>, <A HREF="../../../../com/trolltech/qt/network/QAbstractSocket.html#disconnected">disconnected</A>, <A HREF="../../../../com/trolltech/qt/network/QAbstractSocket.html#error">error</A>, <A HREF="../../../../com/trolltech/qt/network/QAbstractSocket.html#hostFound">hostFound</A>, <A HREF="../../../../com/trolltech/qt/network/QAbstractSocket.html#proxyAuthenticationRequired">proxyAuthenticationRequired</A>, <A HREF="../../../../com/trolltech/qt/network/QAbstractSocket.html#stateChanged">stateChanged</A></CODE></TD>
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</TABLE>
<A NAME="fields_inherited_from_class_com.trolltech.qt.core.QIODevice"><!-- --></A>
<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
<TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor">
<TH ALIGN="left"><B>Fields inherited from class com.trolltech.qt.core.<A HREF="../../../../com/trolltech/qt/core/QIODevice.html" title="class in com.trolltech.qt.core">QIODevice</A></B></TH>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD><CODE><A HREF="../../../../com/trolltech/qt/core/QIODevice.html#aboutToClose">aboutToClose</A>, <A HREF="../../../../com/trolltech/qt/core/QIODevice.html#bytesWritten">bytesWritten</A>, <A HREF="../../../../com/trolltech/qt/core/QIODevice.html#readyRead">readyRead</A></CODE></TD>
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<!-- ======== CONSTRUCTOR SUMMARY ======== -->
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<TR BGCOLOR="white" CLASS="TableRowColor">
<TD><CODE><B><A HREF="../../../../com/trolltech/qt/network/QUdpSocket.html#QUdpSocket()">QUdpSocket</A></B>()</CODE>
<BR>
Equivalent to <a href="QUdpSocket.html#QUdpSocket(com.trolltech.qt.core.QObject)"><tt>QUdpSocket</tt></a>(0).</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD><CODE><B><A HREF="../../../../com/trolltech/qt/network/QUdpSocket.html#QUdpSocket(com.trolltech.qt.core.QObject)">QUdpSocket</A></B>(<A HREF="../../../../com/trolltech/qt/core/QObject.html" title="class in com.trolltech.qt.core">QObject</A> parent)</CODE>
<BR>
Creates a <a href="QUdpSocket.html#QUdpSocket(com.trolltech.qt.core.QObject)"><tt>QUdpSocket</tt></a> object.</TD>
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<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE> boolean</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../com/trolltech/qt/network/QUdpSocket.html#bind(int)">bind</A></B>(int port)</CODE>
<BR>
Binds to QHostAddress.Any on port <tt>port</tt>.</TD>
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<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE> boolean</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../com/trolltech/qt/network/QUdpSocket.html#bind(int, com.trolltech.qt.network.QUdpSocket.BindMode)">bind</A></B>(int port,
<A HREF="../../../../com/trolltech/qt/network/QUdpSocket.BindMode.html" title="class in com.trolltech.qt.network">QUdpSocket.BindMode</A> mode)</CODE>
<BR>
Binds to QHostAddress.Any on port <tt>port</tt>, using the BindMode
<tt>mode</tt>.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE> boolean</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../com/trolltech/qt/network/QUdpSocket.html#bind(com.trolltech.qt.network.QHostAddress, int)">bind</A></B>(<A HREF="../../../../com/trolltech/qt/network/QHostAddress.html" title="class in com.trolltech.qt.network">QHostAddress</A> address,
int port)</CODE>
<BR>
Binds this socket to the address <tt>address</tt> and the port <tt>port</tt>.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE> boolean</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../com/trolltech/qt/network/QUdpSocket.html#bind(com.trolltech.qt.network.QHostAddress, int, com.trolltech.qt.network.QUdpSocket.BindMode)">bind</A></B>(<A HREF="../../../../com/trolltech/qt/network/QHostAddress.html" title="class in com.trolltech.qt.network">QHostAddress</A> address,
int port,
<A HREF="../../../../com/trolltech/qt/network/QUdpSocket.BindMode.html" title="class in com.trolltech.qt.network">QUdpSocket.BindMode</A> mode)</CODE>
<BR>
Binds to <tt>address</tt> on port <tt>port</tt>, using the BindMode
<tt>mode</tt>.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>static <A HREF="../../../../com/trolltech/qt/network/QUdpSocket.html" title="class in com.trolltech.qt.network">QUdpSocket</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../com/trolltech/qt/network/QUdpSocket.html#fromNativePointer(com.trolltech.qt.QNativePointer)">fromNativePointer</A></B>(<A HREF="../../../../com/trolltech/qt/QNativePointer.html" title="class in com.trolltech.qt">QNativePointer</A> nativePointer)</CODE>
<BR>
This function returns the QUdpSocket instance pointed to by nativePointer</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE> boolean</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../com/trolltech/qt/network/QUdpSocket.html#hasPendingDatagrams()">hasPendingDatagrams</A></B>()</CODE>
<BR>
Returns true if at least one datagram is waiting to be read; otherwise returns false.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE> long</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../com/trolltech/qt/network/QUdpSocket.html#pendingDatagramSize()">pendingDatagramSize</A></B>()</CODE>
<BR>
Returns the size of the first pending UDP datagram.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE> int</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../com/trolltech/qt/network/QUdpSocket.html#readDatagram(byte[], com.trolltech.qt.network.QUdpSocket.HostInfo)">readDatagram</A></B>(byte[] data,
<A HREF="../../../../com/trolltech/qt/network/QUdpSocket.HostInfo.html" title="class in com.trolltech.qt.network">QUdpSocket.HostInfo</A> info)</CODE>
<BR>
Receives a datagram from the host described by <tt>info</tt> and stores it in
<tt>data</tt>.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE> int</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../com/trolltech/qt/network/QUdpSocket.html#writeDatagram(byte[], com.trolltech.qt.network.QHostAddress, int)">writeDatagram</A></B>(byte[] data,
<A HREF="../../../../com/trolltech/qt/network/QHostAddress.html" title="class in com.trolltech.qt.network">QHostAddress</A> address,
int port)</CODE>
<BR>
Sends the datagram at <tt>data</tt> of size <tt>size</tt> to the host
address <tt>address</tt> at port <tt>port</tt>.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE> int</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../com/trolltech/qt/network/QUdpSocket.html#writeDatagram(com.trolltech.qt.core.QByteArray, com.trolltech.qt.network.QHostAddress, int)">writeDatagram</A></B>(<A HREF="../../../../com/trolltech/qt/core/QByteArray.html" title="class in com.trolltech.qt.core">QByteArray</A> data,
<A HREF="../../../../com/trolltech/qt/network/QHostAddress.html" title="class in com.trolltech.qt.network">QHostAddress</A> address,
int port)</CODE>
<BR>
Sends the datagram <tt>datagram</tt> to the host address <tt>host</tt> and at
port <tt>port</tt>.</TD>
</TR>
</TABLE>
<A NAME="methods_inherited_from_class_com.trolltech.qt.network.QAbstractSocket"><!-- --></A>
<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
<TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor">
<TH ALIGN="left"><B>Methods inherited from class com.trolltech.qt.network.<A HREF="../../../../com/trolltech/qt/network/QAbstractSocket.html" title="class in com.trolltech.qt.network">QAbstractSocket</A></B></TH>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD><CODE><A HREF="../../../../com/trolltech/qt/network/QAbstractSocket.html#abort()">abort</A>, <A HREF="../../../../com/trolltech/qt/network/QAbstractSocket.html#atEnd()">atEnd</A>, <A HREF="../../../../com/trolltech/qt/network/QAbstractSocket.html#bytesAvailable()">bytesAvailable</A>, <A HREF="../../../../com/trolltech/qt/network/QAbstractSocket.html#bytesToWrite()">bytesToWrite</A>, <A HREF="../../../../com/trolltech/qt/network/QAbstractSocket.html#canReadLine()">canReadLine</A>, <A HREF="../../../../com/trolltech/qt/network/QAbstractSocket.html#close()">close</A>, <A HREF="../../../../com/trolltech/qt/network/QAbstractSocket.html#connectToHost(com.trolltech.qt.network.QHostAddress, int, com.trolltech.qt.core.QIODevice.OpenMode)">connectToHost</A>, <A HREF="../../../../com/trolltech/qt/network/QAbstractSocket.html#connectToHost(java.lang.String, int, com.trolltech.qt.core.QIODevice.OpenMode)">connectToHost</A>, <A HREF="../../../../com/trolltech/qt/network/QAbstractSocket.html#connectToHostImplementation(java.lang.String, int, com.trolltech.qt.core.QIODevice.OpenMode)">connectToHostImplementation</A>, <A HREF="../../../../com/trolltech/qt/network/QAbstractSocket.html#disconnectFromHost()">disconnectFromHost</A>, <A HREF="../../../../com/trolltech/qt/network/QAbstractSocket.html#disconnectFromHostImplementation()">disconnectFromHostImplementation</A>, <A HREF="../../../../com/trolltech/qt/network/QAbstractSocket.html#error()">error</A>, <A HREF="../../../../com/trolltech/qt/network/QAbstractSocket.html#flush()">flush</A>, <A HREF="../../../../com/trolltech/qt/network/QAbstractSocket.html#isSequential()">isSequential</A>, <A HREF="../../../../com/trolltech/qt/network/QAbstractSocket.html#isValid()">isValid</A>, <A HREF="../../../../com/trolltech/qt/network/QAbstractSocket.html#localAddress()">localAddress</A>, <A HREF="../../../../com/trolltech/qt/network/QAbstractSocket.html#localPort()">localPort</A>, <A HREF="../../../../com/trolltech/qt/network/QAbstractSocket.html#peerAddress()">peerAddress</A>, <A HREF="../../../../com/trolltech/qt/network/QAbstractSocket.html#peerName()">peerName</A>, <A HREF="../../../../com/trolltech/qt/network/QAbstractSocket.html#peerPort()">peerPort</A>, <A HREF="../../../../com/trolltech/qt/network/QAbstractSocket.html#proxy()">proxy</A>, <A HREF="../../../../com/trolltech/qt/network/QAbstractSocket.html#readBufferSize()">readBufferSize</A>, <A HREF="../../../../com/trolltech/qt/network/QAbstractSocket.html#readData(byte[])">readData</A>, <A HREF="../../../../com/trolltech/qt/network/QAbstractSocket.html#readLineData(byte[])">readLineData</A>, <A HREF="../../../../com/trolltech/qt/network/QAbstractSocket.html#setLocalAddress(com.trolltech.qt.network.QHostAddress)">setLocalAddress</A>, <A HREF="../../../../com/trolltech/qt/network/QAbstractSocket.html#setLocalPort(int)">setLocalPort</A>, <A HREF="../../../../com/trolltech/qt/network/QAbstractSocket.html#setPeerAddress(com.trolltech.qt.network.QHostAddress)">setPeerAddress</A>, <A HREF="../../../../com/trolltech/qt/network/QAbstractSocket.html#setPeerName(java.lang.String)">setPeerName</A>, <A HREF="../../../../com/trolltech/qt/network/QAbstractSocket.html#setPeerPort(int)">setPeerPort</A>, <A HREF="../../../../com/trolltech/qt/network/QAbstractSocket.html#setProxy(com.trolltech.qt.network.QNetworkProxy)">setProxy</A>, <A HREF="../../../../com/trolltech/qt/network/QAbstractSocket.html#setReadBufferSize(long)">setReadBufferSize</A>, <A HREF="../../../../com/trolltech/qt/network/QAbstractSocket.html#setSocketDescriptor(int)">setSocketDescriptor</A>, <A HREF="../../../../com/trolltech/qt/network/QAbstractSocket.html#setSocketDescriptor(int, com.trolltech.qt.network.QAbstractSocket.SocketState)">setSocketDescriptor</A>, <A HREF="../../../../com/trolltech/qt/network/QAbstractSocket.html#setSocketDescriptor(int, com.trolltech.qt.network.QAbstractSocket.SocketState, com.trolltech.qt.core.QIODevice.OpenMode)">setSocketDescriptor</A>, <A HREF="../../../../com/trolltech/qt/network/QAbstractSocket.html#setSocketDescriptor(int, com.trolltech.qt.network.QAbstractSocket.SocketState, com.trolltech.qt.core.QIODevice.OpenModeFlag...)">setSocketDescriptor</A>, <A HREF="../../../../com/trolltech/qt/network/QAbstractSocket.html#setSocketError(com.trolltech.qt.network.QAbstractSocket.SocketError)">setSocketError</A>, <A HREF="../../../../com/trolltech/qt/network/QAbstractSocket.html#setSocketState(com.trolltech.qt.network.QAbstractSocket.SocketState)">setSocketState</A>, <A HREF="../../../../com/trolltech/qt/network/QAbstractSocket.html#socketDescriptor()">socketDescriptor</A>, <A HREF="../../../../com/trolltech/qt/network/QAbstractSocket.html#socketType()">socketType</A>, <A HREF="../../../../com/trolltech/qt/network/QAbstractSocket.html#state()">state</A>, <A HREF="../../../../com/trolltech/qt/network/QAbstractSocket.html#waitForBytesWritten(int)">waitForBytesWritten</A>, <A HREF="../../../../com/trolltech/qt/network/QAbstractSocket.html#waitForConnected()">waitForConnected</A>, <A HREF="../../../../com/trolltech/qt/network/QAbstractSocket.html#waitForConnected(int)">waitForConnected</A>, <A HREF="../../../../com/trolltech/qt/network/QAbstractSocket.html#waitForDisconnected()">waitForDisconnected</A>, <A HREF="../../../../com/trolltech/qt/network/QAbstractSocket.html#waitForDisconnected(int)">waitForDisconnected</A>, <A HREF="../../../../com/trolltech/qt/network/QAbstractSocket.html#waitForReadyRead(int)">waitForReadyRead</A>, <A HREF="../../../../com/trolltech/qt/network/QAbstractSocket.html#writeData(byte[])">writeData</A></CODE></TD>
</TR>
</TABLE>
<A NAME="methods_inherited_from_class_com.trolltech.qt.core.QIODevice"><!-- --></A>
<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
<TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor">
<TH ALIGN="left"><B>Methods inherited from class com.trolltech.qt.core.<A HREF="../../../../com/trolltech/qt/core/QIODevice.html" title="class in com.trolltech.qt.core">QIODevice</A></B></TH>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD><CODE><A HREF="../../../../com/trolltech/qt/core/QIODevice.html#errorString()">errorString</A>, <A HREF="../../../../com/trolltech/qt/core/QIODevice.html#getByte()">getByte</A>, <A HREF="../../../../com/trolltech/qt/core/QIODevice.html#isOpen()">isOpen</A>, <A HREF="../../../../com/trolltech/qt/core/QIODevice.html#isReadable()">isReadable</A>, <A HREF="../../../../com/trolltech/qt/core/QIODevice.html#isTextModeEnabled()">isTextModeEnabled</A>, <A HREF="../../../../com/trolltech/qt/core/QIODevice.html#isWritable()">isWritable</A>, <A HREF="../../../../com/trolltech/qt/core/QIODevice.html#open(com.trolltech.qt.core.QIODevice.OpenMode)">open</A>, <A HREF="../../../../com/trolltech/qt/core/QIODevice.html#open(com.trolltech.qt.core.QIODevice.OpenModeFlag...)">open</A>, <A HREF="../../../../com/trolltech/qt/core/QIODevice.html#openMode()">openMode</A>, <A HREF="../../../../com/trolltech/qt/core/QIODevice.html#peek(byte[])">peek</A>, <A HREF="../../../../com/trolltech/qt/core/QIODevice.html#peek(long)">peek</A>, <A HREF="../../../../com/trolltech/qt/core/QIODevice.html#pos()">pos</A>, <A HREF="../../../../com/trolltech/qt/core/QIODevice.html#putByte(byte)">putByte</A>, <A HREF="../../../../com/trolltech/qt/core/QIODevice.html#read(byte[])">read</A>, <A HREF="../../../../com/trolltech/qt/core/QIODevice.html#read(long)">read</A>, <A HREF="../../../../com/trolltech/qt/core/QIODevice.html#readAll()">readAll</A>, <A HREF="../../../../com/trolltech/qt/core/QIODevice.html#readLine()">readLine</A>, <A HREF="../../../../com/trolltech/qt/core/QIODevice.html#readLine(byte[])">readLine</A>, <A HREF="../../../../com/trolltech/qt/core/QIODevice.html#readLine(long)">readLine</A>, <A HREF="../../../../com/trolltech/qt/core/QIODevice.html#reset()">reset</A>, <A HREF="../../../../com/trolltech/qt/core/QIODevice.html#seek(long)">seek</A>, <A HREF="../../../../com/trolltech/qt/core/QIODevice.html#setErrorString(java.lang.String)">setErrorString</A>, <A HREF="../../../../com/trolltech/qt/core/QIODevice.html#setOpenMode(com.trolltech.qt.core.QIODevice.OpenMode)">setOpenMode</A>, <A HREF="../../../../com/trolltech/qt/core/QIODevice.html#setOpenMode(com.trolltech.qt.core.QIODevice.OpenModeFlag...)">setOpenMode</A>, <A HREF="../../../../com/trolltech/qt/core/QIODevice.html#setTextModeEnabled(boolean)">setTextModeEnabled</A>, <A HREF="../../../../com/trolltech/qt/core/QIODevice.html#size()">size</A>, <A HREF="../../../../com/trolltech/qt/core/QIODevice.html#ungetByte(byte)">ungetByte</A>, <A HREF="../../../../com/trolltech/qt/core/QIODevice.html#write(byte[])">write</A>, <A HREF="../../../../com/trolltech/qt/core/QIODevice.html#write(com.trolltech.qt.core.QByteArray)">write</A></CODE></TD>
</TR>
</TABLE>
<A NAME="methods_inherited_from_class_com.trolltech.qt.core.QObject"><!-- --></A>
<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
<TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor">
<TH ALIGN="left"><B>Methods inherited from class com.trolltech.qt.core.<A HREF="../../../../com/trolltech/qt/core/QObject.html" title="class in com.trolltech.qt.core">QObject</A></B></TH>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD><CODE><A HREF="../../../../com/trolltech/qt/core/QObject.html#blockSignals(boolean)">blockSignals</A>, <A HREF="../../../../com/trolltech/qt/core/QObject.html#childEvent(com.trolltech.qt.core.QChildEvent)">childEvent</A>, <A HREF="../../../../com/trolltech/qt/core/QObject.html#children()">children</A>, <A HREF="../../../../com/trolltech/qt/core/QObject.html#connectSlotsByName()">connectSlotsByName</A>, <A HREF="../../../../com/trolltech/qt/core/QObject.html#customEvent(com.trolltech.qt.core.QEvent)">customEvent</A>, <A HREF="../../../../com/trolltech/qt/core/QObject.html#disposeLater()">disposeLater</A>, <A HREF="../../../../com/trolltech/qt/core/QObject.html#dumpObjectInfo()">dumpObjectInfo</A>, <A HREF="../../../../com/trolltech/qt/core/QObject.html#dumpObjectTree()">dumpObjectTree</A>, <A HREF="../../../../com/trolltech/qt/core/QObject.html#dynamicPropertyNames()">dynamicPropertyNames</A>, <A HREF="../../../../com/trolltech/qt/core/QObject.html#event(com.trolltech.qt.core.QEvent)">event</A>, <A HREF="../../../../com/trolltech/qt/core/QObject.html#eventFilter(com.trolltech.qt.core.QObject, com.trolltech.qt.core.QEvent)">eventFilter</A>, <A HREF="../../../../com/trolltech/qt/core/QObject.html#findChild()">findChild</A>, <A HREF="../../../../com/trolltech/qt/core/QObject.html#findChild(java.lang.Class)">findChild</A>, <A HREF="../../../../com/trolltech/qt/core/QObject.html#findChild(java.lang.Class, java.lang.String)">findChild</A>, <A HREF="../../../../com/trolltech/qt/core/QObject.html#findChildren()">findChildren</A>, <A HREF="../../../../com/trolltech/qt/core/QObject.html#findChildren(java.lang.Class)">findChildren</A>, <A HREF="../../../../com/trolltech/qt/core/QObject.html#findChildren(java.lang.Class, com.trolltech.qt.core.QRegExp)">findChildren</A>, <A HREF="../../../../com/trolltech/qt/core/QObject.html#findChildren(java.lang.Class, java.lang.String)">findChildren</A>, <A HREF="../../../../com/trolltech/qt/core/QObject.html#installEventFilter(com.trolltech.qt.core.QObject)">installEventFilter</A>, <A HREF="../../../../com/trolltech/qt/core/QObject.html#isWidgetType()">isWidgetType</A>, <A HREF="../../../../com/trolltech/qt/core/QObject.html#killTimer(int)">killTimer</A>, <A HREF="../../../../com/trolltech/qt/core/QObject.html#moveToThread(java.lang.Thread)">moveToThread</A>, <A HREF="../../../../com/trolltech/qt/core/QObject.html#objectName()">objectName</A>, <A HREF="../../../../com/trolltech/qt/core/QObject.html#parent()">parent</A>, <A HREF="../../../../com/trolltech/qt/core/QObject.html#property(java.lang.String)">property</A>, <A HREF="../../../../com/trolltech/qt/core/QObject.html#removeEventFilter(com.trolltech.qt.core.QObject)">removeEventFilter</A>, <A HREF="../../../../com/trolltech/qt/core/QObject.html#setObjectName(java.lang.String)">setObjectName</A>, <A HREF="../../../../com/trolltech/qt/core/QObject.html#setParent(com.trolltech.qt.core.QObject)">setParent</A>, <A HREF="../../../../com/trolltech/qt/core/QObject.html#setProperty(java.lang.String, java.lang.Object)">setProperty</A>, <A HREF="../../../../com/trolltech/qt/core/QObject.html#signalsBlocked()">signalsBlocked</A>, <A HREF="../../../../com/trolltech/qt/core/QObject.html#startTimer(int)">startTimer</A>, <A HREF="../../../../com/trolltech/qt/core/QObject.html#thread()">thread</A>, <A HREF="../../../../com/trolltech/qt/core/QObject.html#timerEvent(com.trolltech.qt.core.QTimerEvent)">timerEvent</A></CODE></TD>
</TR>
</TABLE>
<A NAME="methods_inherited_from_class_com.trolltech.qt.QtJambiObject"><!-- --></A>
<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
<TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor">
<TH ALIGN="left"><B>Methods inherited from class com.trolltech.qt.<A HREF="../../../../com/trolltech/qt/QtJambiObject.html" title="class in com.trolltech.qt">QtJambiObject</A></B></TH>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD><CODE><A HREF="../../../../com/trolltech/qt/QtJambiObject.html#dispose()">dispose</A>, <A HREF="../../../../com/trolltech/qt/QtJambiObject.html#disposed()">disposed</A>, <A HREF="../../../../com/trolltech/qt/QtJambiObject.html#finalize()">finalize</A>, <A HREF="../../../../com/trolltech/qt/QtJambiObject.html#reassignNativeResources(com.trolltech.qt.QtJambiObject, java.lang.Class)">reassignNativeResources</A>, <A HREF="../../../../com/trolltech/qt/QtJambiObject.html#tr(java.lang.String)">tr</A>, <A HREF="../../../../com/trolltech/qt/QtJambiObject.html#tr(java.lang.String, java.lang.String)">tr</A>, <A HREF="../../../../com/trolltech/qt/QtJambiObject.html#tr(java.lang.String, java.lang.String, int)">tr</A></CODE></TD>
</TR>
</TABLE>
<A NAME="methods_inherited_from_class_com.trolltech.qt.QSignalEmitter"><!-- --></A>
<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
<TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor">
<TH ALIGN="left"><B>Methods inherited from class com.trolltech.qt.<A HREF="../../../../com/trolltech/qt/QSignalEmitter.html" title="class in com.trolltech.qt">QSignalEmitter</A></B></TH>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD><CODE><A HREF="../../../../com/trolltech/qt/QSignalEmitter.html#disconnect()">disconnect</A>, <A HREF="../../../../com/trolltech/qt/QSignalEmitter.html#disconnect(java.lang.Object)">disconnect</A>, <A HREF="../../../../com/trolltech/qt/QSignalEmitter.html#signalSender()">signalSender</A></CODE></TD>
</TR>
</TABLE>
<A NAME="methods_inherited_from_class_java.lang.Object"><!-- --></A>
<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
<TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor">
<TH ALIGN="left"><B>Methods inherited from class java.lang.Object</B></TH>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD><CODE>clone, equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait</CODE></TD>
</TR>
</TABLE>
<A NAME="methods_inherited_from_class_com.trolltech.qt.QtJambiInterface"><!-- --></A>
<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
<TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor">
<TH ALIGN="left"><B>Methods inherited from interface com.trolltech.qt.<A HREF="../../../../com/trolltech/qt/QtJambiInterface.html" title="interface in com.trolltech.qt">QtJambiInterface</A></B></TH>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD><CODE><A HREF="../../../../com/trolltech/qt/QtJambiInterface.html#disableGarbageCollection()">disableGarbageCollection</A>, <A HREF="../../../../com/trolltech/qt/QtJambiInterface.html#nativeId()">nativeId</A>, <A HREF="../../../../com/trolltech/qt/QtJambiInterface.html#nativePointer()">nativePointer</A>, <A HREF="../../../../com/trolltech/qt/QtJambiInterface.html#reenableGarbageCollection()">reenableGarbageCollection</A>, <A HREF="../../../../com/trolltech/qt/QtJambiInterface.html#setJavaOwnership()">setJavaOwnership</A></CODE></TD>
</TR>
</TABLE>
<P>
<!-- ========= CONSTRUCTOR DETAIL ======== -->
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<TH ALIGN="left" COLSPAN="1"><FONT SIZE="+2">
<B>Constructor Detail</B></FONT></TH>
</TR>
</TABLE>
<A NAME="QUdpSocket()"><!-- --></A><H3>
QUdpSocket</H3>
<PRE>
public <B>QUdpSocket</B>()</PRE>
<DL>
<DD><p>Equivalent to <a href="QUdpSocket.html#QUdpSocket(com.trolltech.qt.core.QObject)"><tt>QUdpSocket</tt></a>(0).
<P>
</DL>
<HR>
<A NAME="QUdpSocket(com.trolltech.qt.core.QObject)"><!-- --></A><H3>
QUdpSocket</H3>
<PRE>
public <B>QUdpSocket</B>(<A HREF="../../../../com/trolltech/qt/core/QObject.html" title="class in com.trolltech.qt.core">QObject</A> parent)</PRE>
<DL>
<DD><p>Creates a <a href="QUdpSocket.html#QUdpSocket(com.trolltech.qt.core.QObject)"><tt>QUdpSocket</tt></a> object.</p>
<p><tt>parent</tt> is passed to the <a href="%2E%2E/core/%2E%2E/core/QObject.html#QObject(com.trolltech.qt.core.QObject)"><tt>QObject</tt></a> constructor.</p>
<P>
<DL>
<DT><B>See Also:</B><DD><a href="QAbstractSocket.html#socketType()"><tt>socketType</tt></a></DL>
</DL>
<!-- ============ METHOD DETAIL ========== -->
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</TABLE>
<A NAME="hasPendingDatagrams()"><!-- --></A><H3>
hasPendingDatagrams</H3>
<PRE>
public final boolean <B>hasPendingDatagrams</B>()</PRE>
<DL>
<DD><p>Returns true if at least one datagram is waiting to be read; otherwise returns false.</p>
<P>
<DD><DL>
<DT><B>See Also:</B><DD><a href="QUdpSocket.html#pendingDatagramSize()"><tt>pendingDatagramSize</tt></a>,
<tt>readDatagram</tt></DL>
</DD>
</DL>
<HR>
<A NAME="pendingDatagramSize()"><!-- --></A><H3>
pendingDatagramSize</H3>
<PRE>
public final long <B>pendingDatagramSize</B>()</PRE>
<DL>
<DD><p>Returns the size of the first pending UDP datagram. If there is no datagram available, this function returns -1.</p>
<P>
<DD><DL>
<DT><B>See Also:</B><DD><a href="QUdpSocket.html#hasPendingDatagrams()"><tt>hasPendingDatagrams</tt></a>,
<tt>readDatagram</tt></DL>
</DD>
</DL>
<HR>
<A NAME="fromNativePointer(com.trolltech.qt.QNativePointer)"><!-- --></A><H3>
fromNativePointer</H3>
<PRE>
public static <A HREF="../../../../com/trolltech/qt/network/QUdpSocket.html" title="class in com.trolltech.qt.network">QUdpSocket</A> <B>fromNativePointer</B>(<A HREF="../../../../com/trolltech/qt/QNativePointer.html" title="class in com.trolltech.qt">QNativePointer</A> nativePointer)</PRE>
<DL>
<DD>This function returns the QUdpSocket instance pointed to by nativePointer
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>nativePointer</CODE> - the QNativePointer of which object should be returned.</DL>
</DD>
</DL>
<HR>
<A NAME="bind(com.trolltech.qt.network.QHostAddress, int)"><!-- --></A><H3>
bind</H3>
<PRE>
public final boolean <B>bind</B>(<A HREF="../../../../com/trolltech/qt/network/QHostAddress.html" title="class in com.trolltech.qt.network">QHostAddress</A> address,
int port)</PRE>
<DL>
<DD>Binds this socket to the address <tt>address</tt> and the port <tt>port</tt>.
When bound, the signal readyRead() is emitted whenever a UDP
datagram arrives on the specified address and port. This function
is useful to write UDP servers.
<p>
On success, the functions returns true and the socket enters
BoundState; otherwise it returns false.
<p>
The socket is bound using the DefaultForPlatform BindMode.
<P>
<DD><DL>
</DL>
</DD>
</DL>
<HR>
<A NAME="bind(int)"><!-- --></A><H3>
bind</H3>
<PRE>
public final boolean <B>bind</B>(int port)</PRE>
<DL>
<DD>Binds to QHostAddress.Any on port <tt>port</tt>.
<P>
<DD><DL>
</DL>
</DD>
</DL>
<HR>
<A NAME="bind(com.trolltech.qt.network.QHostAddress, int, com.trolltech.qt.network.QUdpSocket.BindMode)"><!-- --></A><H3>
bind</H3>
<PRE>
public final boolean <B>bind</B>(<A HREF="../../../../com/trolltech/qt/network/QHostAddress.html" title="class in com.trolltech.qt.network">QHostAddress</A> address,
int port,
<A HREF="../../../../com/trolltech/qt/network/QUdpSocket.BindMode.html" title="class in com.trolltech.qt.network">QUdpSocket.BindMode</A> mode)</PRE>
<DL>
<DD>Binds to <tt>address</tt> on port <tt>port</tt>, using the BindMode
<tt>mode</tt>.
<P>
<DD><DL>
</DL>
</DD>
</DL>
<HR>
<A NAME="bind(int, com.trolltech.qt.network.QUdpSocket.BindMode)"><!-- --></A><H3>
bind</H3>
<PRE>
public final boolean <B>bind</B>(int port,
<A HREF="../../../../com/trolltech/qt/network/QUdpSocket.BindMode.html" title="class in com.trolltech.qt.network">QUdpSocket.BindMode</A> mode)</PRE>
<DL>
<DD>Binds to QHostAddress.Any on port <tt>port</tt>, using the BindMode
<tt>mode</tt>.
<P>
<DD><DL>
</DL>
</DD>
</DL>
<HR>
<A NAME="readDatagram(byte[], com.trolltech.qt.network.QUdpSocket.HostInfo)"><!-- --></A><H3>
readDatagram</H3>
<PRE>
public final int <B>readDatagram</B>(byte[] data,
<A HREF="../../../../com/trolltech/qt/network/QUdpSocket.HostInfo.html" title="class in com.trolltech.qt.network">QUdpSocket.HostInfo</A> info)</PRE>
<DL>
<DD>Receives a datagram from the host described by <tt>info</tt> and stores it in
<tt>data</tt>. Returns the size of the datagram on success; otherwise returns
-1.
<P>
<DD><DL>
</DL>
</DD>
</DL>
<HR>
<A NAME="writeDatagram(byte[], com.trolltech.qt.network.QHostAddress, int)"><!-- --></A><H3>
writeDatagram</H3>
<PRE>
public int <B>writeDatagram</B>(byte[] data,
<A HREF="../../../../com/trolltech/qt/network/QHostAddress.html" title="class in com.trolltech.qt.network">QHostAddress</A> address,
int port)</PRE>
<DL>
<DD>Sends the datagram at <tt>data</tt> of size <tt>size</tt> to the host
address <tt>address</tt> at port <tt>port</tt>. Returns the number of
bytes sent on success; otherwise returns -1.
<p>
Datagrams are always written as one block. The maximum size of a
datagram is highly platform-dependent, but can be as low as 8192
bytes. If the datagram is too large, this function will return -1
and error() will return DatagramTooLargeError.
<p>
Sending datagrams larger than 512 bytes is in general disadvised,
as even if they are sent successfully, they are likely to be
fragmented by the IP layer before arriving at their final
destination.
<p>
<b>warning</b>: Calling this function on a connected UDP socket may
result in an error and no packet being sent. If you are using a
connected socket, use write() to send datagrams.
<P>
<DD><DL>
</DL>
</DD>
</DL>
<HR>
<A NAME="writeDatagram(com.trolltech.qt.core.QByteArray, com.trolltech.qt.network.QHostAddress, int)"><!-- --></A><H3>
writeDatagram</H3>
<PRE>
public int <B>writeDatagram</B>(<A HREF="../../../../com/trolltech/qt/core/QByteArray.html" title="class in com.trolltech.qt.core">QByteArray</A> data,
<A HREF="../../../../com/trolltech/qt/network/QHostAddress.html" title="class in com.trolltech.qt.network">QHostAddress</A> address,
int port)</PRE>
<DL>
<DD>Sends the datagram <tt>datagram</tt> to the host address <tt>host</tt> and at
port <tt>port</tt>.
<P>
<DD><DL>
</DL>
</DD>
</DL>
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