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<div class="subTitle">com.ericsson.otp.erlang</div>
<h2 title="Class AbstractConnection" class="title">Class AbstractConnection</h2>
</div>
<div class="contentContainer">
<ul class="inheritance">
<li>java.lang.Object</li>
<li>
<ul class="inheritance">
<li>java.lang.Thread</li>
<li>
<ul class="inheritance">
<li>com.ericsson.otp.erlang.AbstractConnection</li>
</ul>
</li>
</ul>
</li>
</ul>
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<dl>
<dt>All Implemented Interfaces:</dt>
<dd>java.lang.Runnable</dd>
</dl>
<dl>
<dt>Direct Known Subclasses:</dt>
<dd><a href="../../../../com/ericsson/otp/erlang/OtpConnection.html" title="class in com.ericsson.otp.erlang">OtpConnection</a>, <a href="../../../../com/ericsson/otp/erlang/OtpCookedConnection.html" title="class in com.ericsson.otp.erlang">OtpCookedConnection</a></dd>
</dl>
<hr>
<br>
<pre>public abstract class <span class="strong">AbstractConnection</span>
extends java.lang.Thread</pre>
<div class="block">Maintains a connection between a Java process and a remote Erlang, Java or C
node. The object maintains connection state and allows data to be sent to and
received from the peer.
<p>
This abstract class provides the neccesary methods to maintain the actual
connection and encode the messages and headers in the proper format according
to the Erlang distribution protocol. Subclasses can use these methods to
provide a more or less transparent communication channel as desired.
</p>
<p>
Note that no receive methods are provided. Subclasses must provide methods
for message delivery, and may implement their own receive methods.
<p>
<p>
If an exception occurs in any of the methods in this class, the connection
will be closed and must be reopened in order to resume communication with the
peer. This will be indicated to the subclass by passing the exception to its
delivery() method.
</p>
<p>
The System property OtpConnection.trace can be used to change the initial
trace level setting for all connections. Normally the initial trace level is
0 and connections are not traced unless <a href="../../../../com/ericsson/otp/erlang/AbstractConnection.html#setTraceLevel(int)"><code>setTraceLevel()</code></a> is used to change the setting for a particular connection.
OtpConnection.trace can be used to turn on tracing by default for all
connections.
</p></div>
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<h3>Nested classes/interfaces inherited from class java.lang.Thread</h3>
<code>java.lang.Thread.State, java.lang.Thread.UncaughtExceptionHandler</code></li>
</ul>
</li>
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<h3>Field Summary</h3>
<table class="overviewSummary" border="0" cellpadding="3" cellspacing="0" summary="Field Summary table, listing fields, and an explanation">
<caption><span>Fields</span><span class="tabEnd"> </span></caption>
<tr>
<th class="colFirst" scope="col">Modifier and Type</th>
<th class="colLast" scope="col">Field and Description</th>
</tr>
<tr class="altColor">
<td class="colFirst"><code>protected static int</code></td>
<td class="colLast"><code><strong><a href="../../../../com/ericsson/otp/erlang/AbstractConnection.html#ChallengeAck">ChallengeAck</a></strong></code> </td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>protected static int</code></td>
<td class="colLast"><code><strong><a href="../../../../com/ericsson/otp/erlang/AbstractConnection.html#ChallengeReply">ChallengeReply</a></strong></code> </td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>protected static int</code></td>
<td class="colLast"><code><strong><a href="../../../../com/ericsson/otp/erlang/AbstractConnection.html#ChallengeStatus">ChallengeStatus</a></strong></code> </td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>protected boolean</code></td>
<td class="colLast"><code><strong><a href="../../../../com/ericsson/otp/erlang/AbstractConnection.html#connected">connected</a></strong></code> </td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>protected boolean</code></td>
<td class="colLast"><code><strong><a href="../../../../com/ericsson/otp/erlang/AbstractConnection.html#cookieOk">cookieOk</a></strong></code> </td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>protected static int</code></td>
<td class="colLast"><code><strong><a href="../../../../com/ericsson/otp/erlang/AbstractConnection.html#ctrlThreshold">ctrlThreshold</a></strong></code> </td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>protected static int</code></td>
<td class="colLast"><code><strong><a href="../../../../com/ericsson/otp/erlang/AbstractConnection.html#defaultLevel">defaultLevel</a></strong></code> </td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>protected static int</code></td>
<td class="colLast"><code><strong><a href="../../../../com/ericsson/otp/erlang/AbstractConnection.html#exit2Tag">exit2Tag</a></strong></code> </td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>protected static int</code></td>
<td class="colLast"><code><strong><a href="../../../../com/ericsson/otp/erlang/AbstractConnection.html#exit2TTTag">exit2TTTag</a></strong></code> </td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>protected static int</code></td>
<td class="colLast"><code><strong><a href="../../../../com/ericsson/otp/erlang/AbstractConnection.html#exitTag">exitTag</a></strong></code> </td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>protected static int</code></td>
<td class="colLast"><code><strong><a href="../../../../com/ericsson/otp/erlang/AbstractConnection.html#exitTTTag">exitTTTag</a></strong></code> </td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>protected static int</code></td>
<td class="colLast"><code><strong><a href="../../../../com/ericsson/otp/erlang/AbstractConnection.html#groupLeaderTag">groupLeaderTag</a></strong></code> </td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>protected static int</code></td>
<td class="colLast"><code><strong><a href="../../../../com/ericsson/otp/erlang/AbstractConnection.html#handshakeThreshold">handshakeThreshold</a></strong></code> </td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>protected static int</code></td>
<td class="colLast"><code><strong><a href="../../../../com/ericsson/otp/erlang/AbstractConnection.html#headerLen">headerLen</a></strong></code> </td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>protected static int</code></td>
<td class="colLast"><code><strong><a href="../../../../com/ericsson/otp/erlang/AbstractConnection.html#linkTag">linkTag</a></strong></code> </td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>protected static byte</code></td>
<td class="colLast"><code><strong><a href="../../../../com/ericsson/otp/erlang/AbstractConnection.html#passThrough">passThrough</a></strong></code> </td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>protected <a href="../../../../com/ericsson/otp/erlang/OtpPeer.html" title="class in com.ericsson.otp.erlang">OtpPeer</a></code></td>
<td class="colLast"><code><strong><a href="../../../../com/ericsson/otp/erlang/AbstractConnection.html#peer">peer</a></strong></code> </td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>protected static java.util.Random</code></td>
<td class="colLast"><code><strong><a href="../../../../com/ericsson/otp/erlang/AbstractConnection.html#random">random</a></strong></code> </td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>protected static int</code></td>
<td class="colLast"><code><strong><a href="../../../../com/ericsson/otp/erlang/AbstractConnection.html#regSendTag">regSendTag</a></strong></code> </td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>protected static int</code></td>
<td class="colLast"><code><strong><a href="../../../../com/ericsson/otp/erlang/AbstractConnection.html#regSendTTTag">regSendTTTag</a></strong></code> </td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>protected <a href="../../../../com/ericsson/otp/erlang/OtpLocalNode.html" title="class in com.ericsson.otp.erlang">OtpLocalNode</a></code></td>
<td class="colLast"><code><strong><a href="../../../../com/ericsson/otp/erlang/AbstractConnection.html#self">self</a></strong></code> </td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>protected boolean</code></td>
<td class="colLast"><code><strong><a href="../../../../com/ericsson/otp/erlang/AbstractConnection.html#sendCookie">sendCookie</a></strong></code> </td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>protected static int</code></td>
<td class="colLast"><code><strong><a href="../../../../com/ericsson/otp/erlang/AbstractConnection.html#sendTag">sendTag</a></strong></code> </td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>protected static int</code></td>
<td class="colLast"><code><strong><a href="../../../../com/ericsson/otp/erlang/AbstractConnection.html#sendThreshold">sendThreshold</a></strong></code> </td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>protected static int</code></td>
<td class="colLast"><code><strong><a href="../../../../com/ericsson/otp/erlang/AbstractConnection.html#sendTTTag">sendTTTag</a></strong></code> </td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>protected java.net.Socket</code></td>
<td class="colLast"><code><strong><a href="../../../../com/ericsson/otp/erlang/AbstractConnection.html#socket">socket</a></strong></code> </td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>protected int</code></td>
<td class="colLast"><code><strong><a href="../../../../com/ericsson/otp/erlang/AbstractConnection.html#traceLevel">traceLevel</a></strong></code> </td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>protected static int</code></td>
<td class="colLast"><code><strong><a href="../../../../com/ericsson/otp/erlang/AbstractConnection.html#unlinkTag">unlinkTag</a></strong></code> </td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>protected static byte</code></td>
<td class="colLast"><code><strong><a href="../../../../com/ericsson/otp/erlang/AbstractConnection.html#version">version</a></strong></code> </td>
</tr>
</table>
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</a>
<h3>Fields inherited from class java.lang.Thread</h3>
<code>MAX_PRIORITY, MIN_PRIORITY, NORM_PRIORITY</code></li>
</ul>
</li>
</ul>
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<h3>Constructor Summary</h3>
<table class="overviewSummary" border="0" cellpadding="3" cellspacing="0" summary="Constructor Summary table, listing constructors, and an explanation">
<caption><span>Constructors</span><span class="tabEnd"> </span></caption>
<tr>
<th class="colFirst" scope="col">Modifier</th>
<th class="colLast" scope="col">Constructor and Description</th>
</tr>
<tr class="altColor">
<td class="colFirst"><code>protected </code></td>
<td class="colLast"><code><strong><a href="../../../../com/ericsson/otp/erlang/AbstractConnection.html#AbstractConnection(com.ericsson.otp.erlang.OtpLocalNode, com.ericsson.otp.erlang.OtpPeer)">AbstractConnection</a></strong>(<a href="../../../../com/ericsson/otp/erlang/OtpLocalNode.html" title="class in com.ericsson.otp.erlang">OtpLocalNode</a> self,
<a href="../../../../com/ericsson/otp/erlang/OtpPeer.html" title="class in com.ericsson.otp.erlang">OtpPeer</a> other)</code>
<div class="block">Intiate and open a connection to a remote node.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>protected </code></td>
<td class="colLast"><code><strong><a href="../../../../com/ericsson/otp/erlang/AbstractConnection.html#AbstractConnection(com.ericsson.otp.erlang.OtpLocalNode, java.net.Socket)">AbstractConnection</a></strong>(<a href="../../../../com/ericsson/otp/erlang/OtpLocalNode.html" title="class in com.ericsson.otp.erlang">OtpLocalNode</a> self,
java.net.Socket s)</code>
<div class="block">Accept an incoming connection from a remote node.</div>
</td>
</tr>
</table>
</li>
</ul>
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<h3>Method Summary</h3>
<table class="overviewSummary" border="0" cellpadding="3" cellspacing="0" summary="Method Summary table, listing methods, and an explanation">
<caption><span>Methods</span><span class="tabEnd"> </span></caption>
<tr>
<th class="colFirst" scope="col">Modifier and Type</th>
<th class="colLast" scope="col">Method and Description</th>
</tr>
<tr class="altColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><strong><a href="../../../../com/ericsson/otp/erlang/AbstractConnection.html#close()">close</a></strong>()</code>
<div class="block">Close the connection to the remote node.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>abstract void</code></td>
<td class="colLast"><code><strong><a href="../../../../com/ericsson/otp/erlang/AbstractConnection.html#deliver(java.lang.Exception)">deliver</a></strong>(java.lang.Exception e)</code>
<div class="block">Deliver communication exceptions to the recipient.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>abstract void</code></td>
<td class="colLast"><code><strong><a href="../../../../com/ericsson/otp/erlang/AbstractConnection.html#deliver(com.ericsson.otp.erlang.OtpMsg)">deliver</a></strong>(<a href="../../../../com/ericsson/otp/erlang/OtpMsg.html" title="class in com.ericsson.otp.erlang">OtpMsg</a> msg)</code>
<div class="block">Deliver messages to the recipient.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>protected void</code></td>
<td class="colLast"><code><strong><a href="../../../../com/ericsson/otp/erlang/AbstractConnection.html#do_send(com.ericsson.otp.erlang.OtpOutputStream)">do_send</a></strong>(<a href="../../../../com/ericsson/otp/erlang/OtpOutputStream.html" title="class in com.ericsson.otp.erlang">OtpOutputStream</a> header)</code> </td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>protected void</code></td>
<td class="colLast"><code><strong><a href="../../../../com/ericsson/otp/erlang/AbstractConnection.html#do_send(com.ericsson.otp.erlang.OtpOutputStream, com.ericsson.otp.erlang.OtpOutputStream)">do_send</a></strong>(<a href="../../../../com/ericsson/otp/erlang/OtpOutputStream.html" title="class in com.ericsson.otp.erlang">OtpOutputStream</a> header,
<a href="../../../../com/ericsson/otp/erlang/OtpOutputStream.html" title="class in com.ericsson.otp.erlang">OtpOutputStream</a> payload)</code> </td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>protected void</code></td>
<td class="colLast"><code><strong><a href="../../../../com/ericsson/otp/erlang/AbstractConnection.html#doAccept()">doAccept</a></strong>()</code> </td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>protected void</code></td>
<td class="colLast"><code><strong><a href="../../../../com/ericsson/otp/erlang/AbstractConnection.html#doConnect(int)">doConnect</a></strong>(int port)</code> </td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>protected void</code></td>
<td class="colLast"><code><strong><a href="../../../../com/ericsson/otp/erlang/AbstractConnection.html#finalize()">finalize</a></strong>()</code> </td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>protected static int</code></td>
<td class="colLast"><code><strong><a href="../../../../com/ericsson/otp/erlang/AbstractConnection.html#genChallenge()">genChallenge</a></strong>()</code> </td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>protected byte[]</code></td>
<td class="colLast"><code><strong><a href="../../../../com/ericsson/otp/erlang/AbstractConnection.html#genDigest(int, java.lang.String)">genDigest</a></strong>(int challenge,
java.lang.String cookie)</code> </td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>int</code></td>
<td class="colLast"><code><strong><a href="../../../../com/ericsson/otp/erlang/AbstractConnection.html#getFlags()">getFlags</a></strong>()</code> </td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>int</code></td>
<td class="colLast"><code><strong><a href="../../../../com/ericsson/otp/erlang/AbstractConnection.html#getTraceLevel()">getTraceLevel</a></strong>()</code>
<div class="block">Get the trace level for this connection.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>protected java.lang.String</code></td>
<td class="colLast"><code><strong><a href="../../../../com/ericsson/otp/erlang/AbstractConnection.html#headerType(com.ericsson.otp.erlang.OtpErlangObject)">headerType</a></strong>(<a href="../../../../com/ericsson/otp/erlang/OtpErlangObject.html" title="class in com.ericsson.otp.erlang">OtpErlangObject</a> h)</code> </td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>boolean</code></td>
<td class="colLast"><code><strong><a href="../../../../com/ericsson/otp/erlang/AbstractConnection.html#isConnected()">isConnected</a></strong>()</code>
<div class="block">Determine if the connection is still alive.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>protected byte[]</code></td>
<td class="colLast"><code><strong><a href="../../../../com/ericsson/otp/erlang/AbstractConnection.html#read2BytePackage()">read2BytePackage</a></strong>()</code> </td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>protected int</code></td>
<td class="colLast"><code><strong><a href="../../../../com/ericsson/otp/erlang/AbstractConnection.html#readSock(java.net.Socket, byte[])">readSock</a></strong>(java.net.Socket s,
byte[] b)</code> </td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>protected int</code></td>
<td class="colLast"><code><strong><a href="../../../../com/ericsson/otp/erlang/AbstractConnection.html#recvChallenge()">recvChallenge</a></strong>()</code> </td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>protected void</code></td>
<td class="colLast"><code><strong><a href="../../../../com/ericsson/otp/erlang/AbstractConnection.html#recvChallengeAck(int)">recvChallengeAck</a></strong>(int our_challenge)</code> </td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>protected int</code></td>
<td class="colLast"><code><strong><a href="../../../../com/ericsson/otp/erlang/AbstractConnection.html#recvChallengeReply(int)">recvChallengeReply</a></strong>(int our_challenge)</code> </td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>protected void</code></td>
<td class="colLast"><code><strong><a href="../../../../com/ericsson/otp/erlang/AbstractConnection.html#recvName(com.ericsson.otp.erlang.OtpPeer)">recvName</a></strong>(<a href="../../../../com/ericsson/otp/erlang/OtpPeer.html" title="class in com.ericsson.otp.erlang">OtpPeer</a> peer)</code> </td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>protected void</code></td>
<td class="colLast"><code><strong><a href="../../../../com/ericsson/otp/erlang/AbstractConnection.html#recvStatus()">recvStatus</a></strong>()</code> </td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><strong><a href="../../../../com/ericsson/otp/erlang/AbstractConnection.html#run()">run</a></strong>()</code> </td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>protected void</code></td>
<td class="colLast"><code><strong><a href="../../../../com/ericsson/otp/erlang/AbstractConnection.html#sendBuf(com.ericsson.otp.erlang.OtpErlangPid, com.ericsson.otp.erlang.OtpErlangPid, com.ericsson.otp.erlang.OtpOutputStream)">sendBuf</a></strong>(<a href="../../../../com/ericsson/otp/erlang/OtpErlangPid.html" title="class in com.ericsson.otp.erlang">OtpErlangPid</a> from,
<a href="../../../../com/ericsson/otp/erlang/OtpErlangPid.html" title="class in com.ericsson.otp.erlang">OtpErlangPid</a> dest,
<a href="../../../../com/ericsson/otp/erlang/OtpOutputStream.html" title="class in com.ericsson.otp.erlang">OtpOutputStream</a> payload)</code>
<div class="block">Send a pre-encoded message to a process on a remote node.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>protected void</code></td>
<td class="colLast"><code><strong><a href="../../../../com/ericsson/otp/erlang/AbstractConnection.html#sendBuf(com.ericsson.otp.erlang.OtpErlangPid, java.lang.String, com.ericsson.otp.erlang.OtpOutputStream)">sendBuf</a></strong>(<a href="../../../../com/ericsson/otp/erlang/OtpErlangPid.html" title="class in com.ericsson.otp.erlang">OtpErlangPid</a> from,
java.lang.String dest,
<a href="../../../../com/ericsson/otp/erlang/OtpOutputStream.html" title="class in com.ericsson.otp.erlang">OtpOutputStream</a> payload)</code>
<div class="block">Send a pre-encoded message to a named process on a remote node.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>protected void</code></td>
<td class="colLast"><code><strong><a href="../../../../com/ericsson/otp/erlang/AbstractConnection.html#sendChallenge(int, int, int)">sendChallenge</a></strong>(int dist,
int flags,
int challenge)</code> </td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>protected void</code></td>
<td class="colLast"><code><strong><a href="../../../../com/ericsson/otp/erlang/AbstractConnection.html#sendChallengeAck(byte[])">sendChallengeAck</a></strong>(byte[] digest)</code> </td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>protected void</code></td>
<td class="colLast"><code><strong><a href="../../../../com/ericsson/otp/erlang/AbstractConnection.html#sendChallengeReply(int, byte[])">sendChallengeReply</a></strong>(int challenge,
byte[] digest)</code> </td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>protected void</code></td>
<td class="colLast"><code><strong><a href="../../../../com/ericsson/otp/erlang/AbstractConnection.html#sendExit(com.ericsson.otp.erlang.OtpErlangPid, com.ericsson.otp.erlang.OtpErlangPid, com.ericsson.otp.erlang.OtpErlangObject)">sendExit</a></strong>(<a href="../../../../com/ericsson/otp/erlang/OtpErlangPid.html" title="class in com.ericsson.otp.erlang">OtpErlangPid</a> from,
<a href="../../../../com/ericsson/otp/erlang/OtpErlangPid.html" title="class in com.ericsson.otp.erlang">OtpErlangPid</a> dest,
<a href="../../../../com/ericsson/otp/erlang/OtpErlangObject.html" title="class in com.ericsson.otp.erlang">OtpErlangObject</a> reason)</code> </td>
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<tr class="altColor">
<td class="colFirst"><code>protected void</code></td>
<td class="colLast"><code><strong><a href="../../../../com/ericsson/otp/erlang/AbstractConnection.html#sendExit2(com.ericsson.otp.erlang.OtpErlangPid, com.ericsson.otp.erlang.OtpErlangPid, com.ericsson.otp.erlang.OtpErlangObject)">sendExit2</a></strong>(<a href="../../../../com/ericsson/otp/erlang/OtpErlangPid.html" title="class in com.ericsson.otp.erlang">OtpErlangPid</a> from,
<a href="../../../../com/ericsson/otp/erlang/OtpErlangPid.html" title="class in com.ericsson.otp.erlang">OtpErlangPid</a> dest,
<a href="../../../../com/ericsson/otp/erlang/OtpErlangObject.html" title="class in com.ericsson.otp.erlang">OtpErlangObject</a> reason)</code>
<div class="block">Send an exit signal to a remote process.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>protected void</code></td>
<td class="colLast"><code><strong><a href="../../../../com/ericsson/otp/erlang/AbstractConnection.html#sendLink(com.ericsson.otp.erlang.OtpErlangPid, com.ericsson.otp.erlang.OtpErlangPid)">sendLink</a></strong>(<a href="../../../../com/ericsson/otp/erlang/OtpErlangPid.html" title="class in com.ericsson.otp.erlang">OtpErlangPid</a> from,
<a href="../../../../com/ericsson/otp/erlang/OtpErlangPid.html" title="class in com.ericsson.otp.erlang">OtpErlangPid</a> dest)</code>
<div class="block">Create a link between the local node and the specified process on the
remote node.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>protected void</code></td>
<td class="colLast"><code><strong><a href="../../../../com/ericsson/otp/erlang/AbstractConnection.html#sendName(int, int)">sendName</a></strong>(int dist,
int flags)</code> </td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>protected void</code></td>
<td class="colLast"><code><strong><a href="../../../../com/ericsson/otp/erlang/AbstractConnection.html#sendStatus(java.lang.String)">sendStatus</a></strong>(java.lang.String status)</code> </td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>protected void</code></td>
<td class="colLast"><code><strong><a href="../../../../com/ericsson/otp/erlang/AbstractConnection.html#sendUnlink(com.ericsson.otp.erlang.OtpErlangPid, com.ericsson.otp.erlang.OtpErlangPid)">sendUnlink</a></strong>(<a href="../../../../com/ericsson/otp/erlang/OtpErlangPid.html" title="class in com.ericsson.otp.erlang">OtpErlangPid</a> from,
<a href="../../../../com/ericsson/otp/erlang/OtpErlangPid.html" title="class in com.ericsson.otp.erlang">OtpErlangPid</a> dest)</code>
<div class="block">Remove a link between the local node and the specified process on the
remote node.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><strong><a href="../../../../com/ericsson/otp/erlang/AbstractConnection.html#setFlags(int)">setFlags</a></strong>(int flags)</code> </td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>int</code></td>
<td class="colLast"><code><strong><a href="../../../../com/ericsson/otp/erlang/AbstractConnection.html#setTraceLevel(int)">setTraceLevel</a></strong>(int level)</code>
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Set the trace level for this connection.</div>
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<pre>protected static final int regSendTTTag</pre>
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<pre>protected static final int ChallengeAck</pre>
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<pre>protected boolean connected</pre>
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<h4>socket</h4>
<pre>protected java.net.Socket socket</pre>
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<h4>peer</h4>
<pre>protected <a href="../../../../com/ericsson/otp/erlang/OtpPeer.html" title="class in com.ericsson.otp.erlang">OtpPeer</a> peer</pre>
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<pre>protected <a href="../../../../com/ericsson/otp/erlang/OtpLocalNode.html" title="class in com.ericsson.otp.erlang">OtpLocalNode</a> self</pre>
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<pre>protected static int defaultLevel</pre>
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<h4>random</h4>
<pre>protected static java.util.Random random</pre>
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<h4>AbstractConnection</h4>
<pre>protected AbstractConnection(<a href="../../../../com/ericsson/otp/erlang/OtpLocalNode.html" title="class in com.ericsson.otp.erlang">OtpLocalNode</a> self,
java.net.Socket s)
throws java.io.IOException,
<a href="../../../../com/ericsson/otp/erlang/OtpAuthException.html" title="class in com.ericsson.otp.erlang">OtpAuthException</a></pre>
<div class="block">Accept an incoming connection from a remote node. Used by <a href="../../../../com/ericsson/otp/erlang/OtpSelf.html#accept()"><code>OtpSelf.accept()</code></a> to create a connection based on data
received when handshaking with the peer node, when the remote node is the
connection intitiator.</div>
<dl><dt><span class="strong">Throws:</span></dt>
<dd><code>java.io.IOException</code> - if it was not possible to connect to the
peer.</dd>
<dd><code><a href="../../../../com/ericsson/otp/erlang/OtpAuthException.html" title="class in com.ericsson.otp.erlang">OtpAuthException</a></code> - if handshake resulted in an authentication
error</dd></dl>
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<pre>protected AbstractConnection(<a href="../../../../com/ericsson/otp/erlang/OtpLocalNode.html" title="class in com.ericsson.otp.erlang">OtpLocalNode</a> self,
<a href="../../../../com/ericsson/otp/erlang/OtpPeer.html" title="class in com.ericsson.otp.erlang">OtpPeer</a> other)
throws java.io.IOException,
<a href="../../../../com/ericsson/otp/erlang/OtpAuthException.html" title="class in com.ericsson.otp.erlang">OtpAuthException</a></pre>
<div class="block">Intiate and open a connection to a remote node.</div>
<dl><dt><span class="strong">Throws:</span></dt>
<dd><code>java.io.IOException</code> - if it was not possible to connect to the
peer.</dd>
<dd><code><a href="../../../../com/ericsson/otp/erlang/OtpAuthException.html" title="class in com.ericsson.otp.erlang">OtpAuthException</a></code> - if handshake resulted in an authentication
error.</dd></dl>
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<pre>public abstract void deliver(java.lang.Exception e)</pre>
<div class="block">Deliver communication exceptions to the recipient.</div>
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<pre>public abstract void deliver(<a href="../../../../com/ericsson/otp/erlang/OtpMsg.html" title="class in com.ericsson.otp.erlang">OtpMsg</a> msg)</pre>
<div class="block">Deliver messages to the recipient.</div>
</li>
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<pre>protected void sendBuf(<a href="../../../../com/ericsson/otp/erlang/OtpErlangPid.html" title="class in com.ericsson.otp.erlang">OtpErlangPid</a> from,
java.lang.String dest,
<a href="../../../../com/ericsson/otp/erlang/OtpOutputStream.html" title="class in com.ericsson.otp.erlang">OtpOutputStream</a> payload)
throws java.io.IOException</pre>
<div class="block">Send a pre-encoded message to a named process on a remote node.</div>
<dl><dt><span class="strong">Parameters:</span></dt><dd><code>dest</code> - the name of the remote process.</dd><dd><code>payload</code> - the encoded message to send.</dd>
<dt><span class="strong">Throws:</span></dt>
<dd><code>java.io.IOException</code> - if the connection is not active or a communication error
occurs.</dd></dl>
</li>
</ul>
<a name="sendBuf(com.ericsson.otp.erlang.OtpErlangPid, com.ericsson.otp.erlang.OtpErlangPid, com.ericsson.otp.erlang.OtpOutputStream)">
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<pre>protected void sendBuf(<a href="../../../../com/ericsson/otp/erlang/OtpErlangPid.html" title="class in com.ericsson.otp.erlang">OtpErlangPid</a> from,
<a href="../../../../com/ericsson/otp/erlang/OtpErlangPid.html" title="class in com.ericsson.otp.erlang">OtpErlangPid</a> dest,
<a href="../../../../com/ericsson/otp/erlang/OtpOutputStream.html" title="class in com.ericsson.otp.erlang">OtpOutputStream</a> payload)
throws java.io.IOException</pre>
<div class="block">Send a pre-encoded message to a process on a remote node.</div>
<dl><dt><span class="strong">Parameters:</span></dt><dd><code>dest</code> - the Erlang PID of the remote process.</dd><dd><code>msg</code> - the encoded message to send.</dd>
<dt><span class="strong">Throws:</span></dt>
<dd><code>java.io.IOException</code> - if the connection is not active or a communication error
occurs.</dd></dl>
</li>
</ul>
<a name="sendLink(com.ericsson.otp.erlang.OtpErlangPid, com.ericsson.otp.erlang.OtpErlangPid)">
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<pre>protected void sendLink(<a href="../../../../com/ericsson/otp/erlang/OtpErlangPid.html" title="class in com.ericsson.otp.erlang">OtpErlangPid</a> from,
<a href="../../../../com/ericsson/otp/erlang/OtpErlangPid.html" title="class in com.ericsson.otp.erlang">OtpErlangPid</a> dest)
throws java.io.IOException</pre>
<div class="block">Create a link between the local node and the specified process on the
remote node. If the link is still active when the remote process
terminates, an exit signal will be sent to this connection. Use
<a href="../../../../com/ericsson/otp/erlang/AbstractConnection.html#sendUnlink(com.ericsson.otp.erlang.OtpErlangPid, com.ericsson.otp.erlang.OtpErlangPid)"><code>unlink()</code></a> to remove the link.</div>
<dl><dt><span class="strong">Parameters:</span></dt><dd><code>dest</code> - the Erlang PID of the remote process.</dd>
<dt><span class="strong">Throws:</span></dt>
<dd><code>java.io.IOException</code> - if the connection is not active or a communication error
occurs.</dd></dl>
</li>
</ul>
<a name="sendUnlink(com.ericsson.otp.erlang.OtpErlangPid, com.ericsson.otp.erlang.OtpErlangPid)">
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<pre>protected void sendUnlink(<a href="../../../../com/ericsson/otp/erlang/OtpErlangPid.html" title="class in com.ericsson.otp.erlang">OtpErlangPid</a> from,
<a href="../../../../com/ericsson/otp/erlang/OtpErlangPid.html" title="class in com.ericsson.otp.erlang">OtpErlangPid</a> dest)
throws java.io.IOException</pre>
<div class="block">Remove a link between the local node and the specified process on the
remote node. This method deactivates links created with <a href="../../../../com/ericsson/otp/erlang/AbstractConnection.html#sendLink(com.ericsson.otp.erlang.OtpErlangPid, com.ericsson.otp.erlang.OtpErlangPid)"><code>link()</code></a>.</div>
<dl><dt><span class="strong">Parameters:</span></dt><dd><code>dest</code> - the Erlang PID of the remote process.</dd>
<dt><span class="strong">Throws:</span></dt>
<dd><code>java.io.IOException</code> - if the connection is not active or a communication error
occurs.</dd></dl>
</li>
</ul>
<a name="sendExit(com.ericsson.otp.erlang.OtpErlangPid, com.ericsson.otp.erlang.OtpErlangPid, com.ericsson.otp.erlang.OtpErlangObject)">
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<h4>sendExit</h4>
<pre>protected void sendExit(<a href="../../../../com/ericsson/otp/erlang/OtpErlangPid.html" title="class in com.ericsson.otp.erlang">OtpErlangPid</a> from,
<a href="../../../../com/ericsson/otp/erlang/OtpErlangPid.html" title="class in com.ericsson.otp.erlang">OtpErlangPid</a> dest,
<a href="../../../../com/ericsson/otp/erlang/OtpErlangObject.html" title="class in com.ericsson.otp.erlang">OtpErlangObject</a> reason)
throws java.io.IOException</pre>
<dl><dt><span class="strong">Throws:</span></dt>
<dd><code>java.io.IOException</code></dd></dl>
</li>
</ul>
<a name="sendExit2(com.ericsson.otp.erlang.OtpErlangPid, com.ericsson.otp.erlang.OtpErlangPid, com.ericsson.otp.erlang.OtpErlangObject)">
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<h4>sendExit2</h4>
<pre>protected void sendExit2(<a href="../../../../com/ericsson/otp/erlang/OtpErlangPid.html" title="class in com.ericsson.otp.erlang">OtpErlangPid</a> from,
<a href="../../../../com/ericsson/otp/erlang/OtpErlangPid.html" title="class in com.ericsson.otp.erlang">OtpErlangPid</a> dest,
<a href="../../../../com/ericsson/otp/erlang/OtpErlangObject.html" title="class in com.ericsson.otp.erlang">OtpErlangObject</a> reason)
throws java.io.IOException</pre>
<div class="block">Send an exit signal to a remote process.</div>
<dl><dt><span class="strong">Parameters:</span></dt><dd><code>dest</code> - the Erlang PID of the remote process.</dd><dd><code>reason</code> - an Erlang term describing the exit reason.</dd>
<dt><span class="strong">Throws:</span></dt>
<dd><code>java.io.IOException</code> - if the connection is not active or a communication error
occurs.</dd></dl>
</li>
</ul>
<a name="run()">
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</a>
<ul class="blockList">
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<h4>run</h4>
<pre>public void run()</pre>
<dl>
<dt><strong>Specified by:</strong></dt>
<dd><code>run</code> in interface <code>java.lang.Runnable</code></dd>
<dt><strong>Overrides:</strong></dt>
<dd><code>run</code> in class <code>java.lang.Thread</code></dd>
</dl>
</li>
</ul>
<a name="setTraceLevel(int)">
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</a>
<ul class="blockList">
<li class="blockList">
<h4>setTraceLevel</h4>
<pre>public int setTraceLevel(int level)</pre>
<div class="block"><p>
Set the trace level for this connection. Normally tracing is off by
default unless System property OtpConnection.trace was set.
</p>
<p>
The following levels are valid: 0 turns off tracing completely, 1 shows
ordinary send and receive messages, 2 shows control messages such as link
and unlink, 3 shows handshaking at connection setup, and 4 shows
communication with Epmd. Each level includes the information shown by the
lower ones.
</p></div>
<dl><dt><span class="strong">Parameters:</span></dt><dd><code>level</code> - the level to set.</dd>
<dt><span class="strong">Returns:</span></dt><dd>the previous trace level.</dd></dl>
</li>
</ul>
<a name="getTraceLevel()">
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</a>
<ul class="blockList">
<li class="blockList">
<h4>getTraceLevel</h4>
<pre>public int getTraceLevel()</pre>
<div class="block">Get the trace level for this connection.</div>
<dl><dt><span class="strong">Returns:</span></dt><dd>the current trace level.</dd></dl>
</li>
</ul>
<a name="close()">
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</a>
<ul class="blockList">
<li class="blockList">
<h4>close</h4>
<pre>public void close()</pre>
<div class="block">Close the connection to the remote node.</div>
</li>
</ul>
<a name="finalize()">
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<ul class="blockList">
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<h4>finalize</h4>
<pre>protected void finalize()</pre>
<dl>
<dt><strong>Overrides:</strong></dt>
<dd><code>finalize</code> in class <code>java.lang.Object</code></dd>
</dl>
</li>
</ul>
<a name="isConnected()">
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</a>
<ul class="blockList">
<li class="blockList">
<h4>isConnected</h4>
<pre>public boolean isConnected()</pre>
<div class="block">Determine if the connection is still alive. Note that this method only
reports the status of the connection, and that it is possible that there
are unread messages waiting in the receive queue.</div>
<dl><dt><span class="strong">Returns:</span></dt><dd>true if the connection is alive.</dd></dl>
</li>
</ul>
<a name="do_send(com.ericsson.otp.erlang.OtpOutputStream, com.ericsson.otp.erlang.OtpOutputStream)">
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</a>
<ul class="blockList">
<li class="blockList">
<h4>do_send</h4>
<pre>protected void do_send(<a href="../../../../com/ericsson/otp/erlang/OtpOutputStream.html" title="class in com.ericsson.otp.erlang">OtpOutputStream</a> header,
<a href="../../../../com/ericsson/otp/erlang/OtpOutputStream.html" title="class in com.ericsson.otp.erlang">OtpOutputStream</a> payload)
throws java.io.IOException</pre>
<dl><dt><span class="strong">Throws:</span></dt>
<dd><code>java.io.IOException</code></dd></dl>
</li>
</ul>
<a name="do_send(com.ericsson.otp.erlang.OtpOutputStream)">
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</a>
<ul class="blockList">
<li class="blockList">
<h4>do_send</h4>
<pre>protected void do_send(<a href="../../../../com/ericsson/otp/erlang/OtpOutputStream.html" title="class in com.ericsson.otp.erlang">OtpOutputStream</a> header)
throws java.io.IOException</pre>
<dl><dt><span class="strong">Throws:</span></dt>
<dd><code>java.io.IOException</code></dd></dl>
</li>
</ul>
<a name="headerType(com.ericsson.otp.erlang.OtpErlangObject)">
<!-- -->
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<ul class="blockList">
<li class="blockList">
<h4>headerType</h4>
<pre>protected java.lang.String headerType(<a href="../../../../com/ericsson/otp/erlang/OtpErlangObject.html" title="class in com.ericsson.otp.erlang">OtpErlangObject</a> h)</pre>
</li>
</ul>
<a name="readSock(java.net.Socket, byte[])">
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<ul class="blockList">
<li class="blockList">
<h4>readSock</h4>
<pre>protected int readSock(java.net.Socket s,
byte[] b)
throws java.io.IOException</pre>
<dl><dt><span class="strong">Throws:</span></dt>
<dd><code>java.io.IOException</code></dd></dl>
</li>
</ul>
<a name="doAccept()">
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</a>
<ul class="blockList">
<li class="blockList">
<h4>doAccept</h4>
<pre>protected void doAccept()
throws java.io.IOException,
<a href="../../../../com/ericsson/otp/erlang/OtpAuthException.html" title="class in com.ericsson.otp.erlang">OtpAuthException</a></pre>
<dl><dt><span class="strong">Throws:</span></dt>
<dd><code>java.io.IOException</code></dd>
<dd><code><a href="../../../../com/ericsson/otp/erlang/OtpAuthException.html" title="class in com.ericsson.otp.erlang">OtpAuthException</a></code></dd></dl>
</li>
</ul>
<a name="doConnect(int)">
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<ul class="blockList">
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<h4>doConnect</h4>
<pre>protected void doConnect(int port)
throws java.io.IOException,
<a href="../../../../com/ericsson/otp/erlang/OtpAuthException.html" title="class in com.ericsson.otp.erlang">OtpAuthException</a></pre>
<dl><dt><span class="strong">Throws:</span></dt>
<dd><code>java.io.IOException</code></dd>
<dd><code><a href="../../../../com/ericsson/otp/erlang/OtpAuthException.html" title="class in com.ericsson.otp.erlang">OtpAuthException</a></code></dd></dl>
</li>
</ul>
<a name="genChallenge()">
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<h4>genChallenge</h4>
<pre>protected static int genChallenge()</pre>
</li>
</ul>
<a name="genDigest(int, java.lang.String)">
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<ul class="blockList">
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<h4>genDigest</h4>
<pre>protected byte[] genDigest(int challenge,
java.lang.String cookie)</pre>
</li>
</ul>
<a name="sendName(int, int)">
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<ul class="blockList">
<li class="blockList">
<h4>sendName</h4>
<pre>protected void sendName(int dist,
int flags)
throws java.io.IOException</pre>
<dl><dt><span class="strong">Throws:</span></dt>
<dd><code>java.io.IOException</code></dd></dl>
</li>
</ul>
<a name="sendChallenge(int, int, int)">
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<ul class="blockList">
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<h4>sendChallenge</h4>
<pre>protected void sendChallenge(int dist,
int flags,
int challenge)
throws java.io.IOException</pre>
<dl><dt><span class="strong">Throws:</span></dt>
<dd><code>java.io.IOException</code></dd></dl>
</li>
</ul>
<a name="read2BytePackage()">
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<ul class="blockList">
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<h4>read2BytePackage</h4>
<pre>protected byte[] read2BytePackage()
throws java.io.IOException,
<a href="../../../../com/ericsson/otp/erlang/OtpErlangDecodeException.html" title="class in com.ericsson.otp.erlang">OtpErlangDecodeException</a></pre>
<dl><dt><span class="strong">Throws:</span></dt>
<dd><code>java.io.IOException</code></dd>
<dd><code><a href="../../../../com/ericsson/otp/erlang/OtpErlangDecodeException.html" title="class in com.ericsson.otp.erlang">OtpErlangDecodeException</a></code></dd></dl>
</li>
</ul>
<a name="recvName(com.ericsson.otp.erlang.OtpPeer)">
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<h4>recvName</h4>
<pre>protected void recvName(<a href="../../../../com/ericsson/otp/erlang/OtpPeer.html" title="class in com.ericsson.otp.erlang">OtpPeer</a> peer)
throws java.io.IOException</pre>
<dl><dt><span class="strong">Throws:</span></dt>
<dd><code>java.io.IOException</code></dd></dl>
</li>
</ul>
<a name="recvChallenge()">
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</a>
<ul class="blockList">
<li class="blockList">
<h4>recvChallenge</h4>
<pre>protected int recvChallenge()
throws java.io.IOException</pre>
<dl><dt><span class="strong">Throws:</span></dt>
<dd><code>java.io.IOException</code></dd></dl>
</li>
</ul>
<a name="sendChallengeReply(int, byte[])">
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<ul class="blockList">
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<h4>sendChallengeReply</h4>
<pre>protected void sendChallengeReply(int challenge,
byte[] digest)
throws java.io.IOException</pre>
<dl><dt><span class="strong">Throws:</span></dt>
<dd><code>java.io.IOException</code></dd></dl>
</li>
</ul>
<a name="recvChallengeReply(int)">
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<ul class="blockList">
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<h4>recvChallengeReply</h4>
<pre>protected int recvChallengeReply(int our_challenge)
throws java.io.IOException,
<a href="../../../../com/ericsson/otp/erlang/OtpAuthException.html" title="class in com.ericsson.otp.erlang">OtpAuthException</a></pre>
<dl><dt><span class="strong">Throws:</span></dt>
<dd><code>java.io.IOException</code></dd>
<dd><code><a href="../../../../com/ericsson/otp/erlang/OtpAuthException.html" title="class in com.ericsson.otp.erlang">OtpAuthException</a></code></dd></dl>
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<a name="sendChallengeAck(byte[])">
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<ul class="blockList">
<li class="blockList">
<h4>sendChallengeAck</h4>
<pre>protected void sendChallengeAck(byte[] digest)
throws java.io.IOException</pre>
<dl><dt><span class="strong">Throws:</span></dt>
<dd><code>java.io.IOException</code></dd></dl>
</li>
</ul>
<a name="recvChallengeAck(int)">
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</a>
<ul class="blockList">
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<h4>recvChallengeAck</h4>
<pre>protected void recvChallengeAck(int our_challenge)
throws java.io.IOException,
<a href="../../../../com/ericsson/otp/erlang/OtpAuthException.html" title="class in com.ericsson.otp.erlang">OtpAuthException</a></pre>
<dl><dt><span class="strong">Throws:</span></dt>
<dd><code>java.io.IOException</code></dd>
<dd><code><a href="../../../../com/ericsson/otp/erlang/OtpAuthException.html" title="class in com.ericsson.otp.erlang">OtpAuthException</a></code></dd></dl>
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<a name="sendStatus(java.lang.String)">
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<li class="blockList">
<h4>sendStatus</h4>
<pre>protected void sendStatus(java.lang.String status)
throws java.io.IOException</pre>
<dl><dt><span class="strong">Throws:</span></dt>
<dd><code>java.io.IOException</code></dd></dl>
</li>
</ul>
<a name="recvStatus()">
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</a>
<ul class="blockList">
<li class="blockList">
<h4>recvStatus</h4>
<pre>protected void recvStatus()
throws java.io.IOException</pre>
<dl><dt><span class="strong">Throws:</span></dt>
<dd><code>java.io.IOException</code></dd></dl>
</li>
</ul>
<a name="setFlags(int)">
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</a>
<ul class="blockList">
<li class="blockList">
<h4>setFlags</h4>
<pre>public void setFlags(int flags)</pre>
</li>
</ul>
<a name="getFlags()">
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<h4>getFlags</h4>
<pre>public int getFlags()</pre>
</li>
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