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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
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<title>SharedSocket (jTDS API)</title>
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<div class="subTitle">net.sourceforge.jtds.jdbc</div>
<h2 title="Class SharedSocket" class="title">Class SharedSocket</h2>
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<ul class="inheritance">
<li>java.lang.Object</li>
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<li>net.sourceforge.jtds.jdbc.SharedSocket</li>
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<dt>Direct Known Subclasses:</dt>
<dd><a href="../../../../net/sourceforge/jtds/jdbc/SharedLocalNamedPipe.html" title="class in net.sourceforge.jtds.jdbc">SharedLocalNamedPipe</a>, <a href="../../../../net/sourceforge/jtds/jdbc/SharedNamedPipe.html" title="class in net.sourceforge.jtds.jdbc">SharedNamedPipe</a></dd>
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<pre> class <span class="strong">SharedSocket</span>
extends java.lang.Object</pre>
<div class="block">This class manages the physical connection to the SQL Server and
serialises its use amongst a number of virtual sockets.
This allows one physical connection to service a number of concurrent
statements.
<p>
Constraints and assumptions:
<ol>
<li>Callers will not attempt to read from the server without issuing a request first.
<li>The end of a server reply can be identified as byte 2 of the header is non zero.
</ol>
</p>
Comments:
<ol>
<li>This code will discard unread server data if a new request is issued.
Currently the higher levels of the driver attempt to do this but may be
we can just rely on this code instead.
<li>A cancel can be issued by a caller only if the server is currently sending
data for the caller otherwise the cancel is ignored.
<li>Cancel packets on their own are returned as extra records appended to the
previous packet so that the TdsCore module can process them.
</ol>
This version of the class will start to cache results to disk once a predetermined
maximum buffer memory threshold has been passed. Small result sets that will fit
within a specified limit (default 8 packets) will continue to be held in memory
(even if the memory threshold has been passed) in the interests of efficiency.</div>
<dl><dt><span class="strong">Author:</span></dt>
<dd>Mike Hutchinson, Holger Rehn</dd></dl>
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<td class="colFirst"><code>(package private) static class </code></td>
<td class="colLast"><code><strong><a href="../../../../net/sourceforge/jtds/jdbc/SharedSocket.VirtualSocket.html" title="class in net.sourceforge.jtds.jdbc">SharedSocket.VirtualSocket</a></strong></code>
<div class="block">This inner class contains the state information for the virtual socket.</div>
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<td class="colFirst"><code>private java.util.concurrent.atomic.AtomicInteger</code></td>
<td class="colLast"><code><strong><a href="../../../../net/sourceforge/jtds/jdbc/SharedSocket.html#_LastID">_LastID</a></strong></code>
<div class="block">last ID assigned to a VirtualSocket instance</div>
</td>
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<tr class="rowColor">
<td class="colFirst"><code>private java.util.concurrent.ConcurrentMap<java.lang.Integer,<a href="../../../../net/sourceforge/jtds/jdbc/SharedSocket.VirtualSocket.html" title="class in net.sourceforge.jtds.jdbc">SharedSocket.VirtualSocket</a>></code></td>
<td class="colLast"><code><strong><a href="../../../../net/sourceforge/jtds/jdbc/SharedSocket.html#_VirtualSockets">_VirtualSockets</a></strong></code>
<div class="block">Table of stream objects sharing this socket.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>private java.io.File</code></td>
<td class="colLast"><code><strong><a href="../../../../net/sourceforge/jtds/jdbc/SharedSocket.html#bufferDir">bufferDir</a></strong></code>
<div class="block">The directory to buffer data to.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>private java.lang.Object</code></td>
<td class="colLast"><code><strong><a href="../../../../net/sourceforge/jtds/jdbc/SharedSocket.html#cancelMonitor">cancelMonitor</a></strong></code>
<div class="block">Synchronization monitor for <a href="../../../../net/sourceforge/jtds/jdbc/SharedSocket.html#cancelPending"><code>cancelPending</code></a> and
<a href="../../../../net/sourceforge/jtds/jdbc/SharedSocket.html#responseOwner"><code>responseOwner</code></a>.</div>
</td>
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<td class="colFirst"><code>private boolean</code></td>
<td class="colLast"><code><strong><a href="../../../../net/sourceforge/jtds/jdbc/SharedSocket.html#cancelPending">cancelPending</a></strong></code>
<div class="block">A cancel packet is pending.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>private <a href="../../../../net/sourceforge/jtds/jdbc/CharsetInfo.html" title="class in net.sourceforge.jtds.jdbc">CharsetInfo</a></code></td>
<td class="colLast"><code><strong><a href="../../../../net/sourceforge/jtds/jdbc/SharedSocket.html#charsetInfo">charsetInfo</a></strong></code>
<div class="block">The character set to use for converting strings to/from bytes.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>private byte[]</code></td>
<td class="colLast"><code><strong><a href="../../../../net/sourceforge/jtds/jdbc/SharedSocket.html#doneBuffer">doneBuffer</a></strong></code>
<div class="block">Buffer for TDS_DONE packets</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>private int</code></td>
<td class="colLast"><code><strong><a href="../../../../net/sourceforge/jtds/jdbc/SharedSocket.html#doneBufferFrag">doneBufferFrag</a></strong></code>
<div class="block">How much of the doneBuffer has been filled with data, <TDS_DONE_LEN IFF partial packet read.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>private static int</code></td>
<td class="colLast"><code><strong><a href="../../../../net/sourceforge/jtds/jdbc/SharedSocket.html#globalMemUsage">globalMemUsage</a></strong></code>
<div class="block">Total memory usage in all instances of the driver
NB.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>private byte[]</code></td>
<td class="colLast"><code><strong><a href="../../../../net/sourceforge/jtds/jdbc/SharedSocket.html#hdrBuf">hdrBuf</a></strong></code>
<div class="block">Buffer for packet header.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>private java.lang.String</code></td>
<td class="colLast"><code><strong><a href="../../../../net/sourceforge/jtds/jdbc/SharedSocket.html#host">host</a></strong></code>
<div class="block">The server host name.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>private java.io.DataInputStream</code></td>
<td class="colLast"><code><strong><a href="../../../../net/sourceforge/jtds/jdbc/SharedSocket.html#in">in</a></strong></code>
<div class="block">Input stream for network socket.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>private int</code></td>
<td class="colLast"><code><strong><a href="../../../../net/sourceforge/jtds/jdbc/SharedSocket.html#maxBufSize">maxBufSize</a></strong></code>
<div class="block">Current maximum input buffer size.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>private static int</code></td>
<td class="colLast"><code><strong><a href="../../../../net/sourceforge/jtds/jdbc/SharedSocket.html#memoryBudget">memoryBudget</a></strong></code>
<div class="block">Max memory limit to use for buffers.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>private static int</code></td>
<td class="colLast"><code><strong><a href="../../../../net/sourceforge/jtds/jdbc/SharedSocket.html#minMemPkts">minMemPkts</a></strong></code>
<div class="block">Minimum number of packets that will be cached in memory
before the driver tries to write to disk even if
memoryBudget has been exceeded.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>private java.io.DataOutputStream</code></td>
<td class="colLast"><code><strong><a href="../../../../net/sourceforge/jtds/jdbc/SharedSocket.html#out">out</a></strong></code>
<div class="block">Output stream for network socket.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>private int</code></td>
<td class="colLast"><code><strong><a href="../../../../net/sourceforge/jtds/jdbc/SharedSocket.html#packetCount">packetCount</a></strong></code>
<div class="block">Count of packets received.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>private static int</code></td>
<td class="colLast"><code><strong><a href="../../../../net/sourceforge/jtds/jdbc/SharedSocket.html#peakMemUsage">peakMemUsage</a></strong></code>
<div class="block">Peak memory usage for debug purposes.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>private int</code></td>
<td class="colLast"><code><strong><a href="../../../../net/sourceforge/jtds/jdbc/SharedSocket.html#port">port</a></strong></code>
<div class="block">The server port number.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>private <a href="../../../../net/sourceforge/jtds/jdbc/SharedSocket.VirtualSocket.html" title="class in net.sourceforge.jtds.jdbc">SharedSocket.VirtualSocket</a></code></td>
<td class="colLast"><code><strong><a href="../../../../net/sourceforge/jtds/jdbc/SharedSocket.html#responseOwner">responseOwner</a></strong></code>
<div class="block">The virtual socket of the object that is expecting a response from the server.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>private static boolean</code></td>
<td class="colLast"><code><strong><a href="../../../../net/sourceforge/jtds/jdbc/SharedSocket.html#securityViolation">securityViolation</a></strong></code>
<div class="block">Global flag to indicate that security constraints mean
that attempts to create work files will fail.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>protected int</code></td>
<td class="colLast"><code><strong><a href="../../../../net/sourceforge/jtds/jdbc/SharedSocket.html#serverType">serverType</a></strong></code>
<div class="block">The servertype one of Driver.SQLSERVER or Driver.SYBASE</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>private java.net.Socket</code></td>
<td class="colLast"><code><strong><a href="../../../../net/sourceforge/jtds/jdbc/SharedSocket.html#socket">socket</a></strong></code>
<div class="block">The shared network socket.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>private java.net.Socket</code></td>
<td class="colLast"><code><strong><a href="../../../../net/sourceforge/jtds/jdbc/SharedSocket.html#sslSocket">sslSocket</a></strong></code>
<div class="block">The shared SSL network socket;</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>private static int</code></td>
<td class="colLast"><code><strong><a href="../../../../net/sourceforge/jtds/jdbc/SharedSocket.html#TDS_DONE_LEN">TDS_DONE_LEN</a></strong></code>
<div class="block">Length of a TDS_DONE token.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>private static int</code></td>
<td class="colLast"><code><strong><a href="../../../../net/sourceforge/jtds/jdbc/SharedSocket.html#TDS_DONE_TOKEN">TDS_DONE_TOKEN</a></strong></code>
<div class="block">TDS done token.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>private static int</code></td>
<td class="colLast"><code><strong><a href="../../../../net/sourceforge/jtds/jdbc/SharedSocket.html#TDS_HDR_LEN">TDS_HDR_LEN</a></strong></code>
<div class="block">Length of TDS packet header.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>private int</code></td>
<td class="colLast"><code><strong><a href="../../../../net/sourceforge/jtds/jdbc/SharedSocket.html#tdsVersion">tdsVersion</a></strong></code>
<div class="block">Tds protocol version</div>
</td>
</tr>
</table>
</li>
</ul>
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<li class="blockList"><a name="constructor_summary">
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</a>
<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="../../../../net/sourceforge/jtds/jdbc/SharedSocket.html#SharedSocket(java.io.File, int, int)">SharedSocket</a></strong>(java.io.File bufferDir,
int tdsVersion,
int serverType)</code> </td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>(package private)</code></td>
<td class="colLast"><code><strong><a href="../../../../net/sourceforge/jtds/jdbc/SharedSocket.html#SharedSocket(net.sourceforge.jtds.jdbc.JtdsConnection)">SharedSocket</a></strong>(<a href="../../../../net/sourceforge/jtds/jdbc/JtdsConnection.html" title="class in net.sourceforge.jtds.jdbc">JtdsConnection</a> connection)</code>
<div class="block">Construct a <code>SharedSocket</code> object specifying host name and
port.</div>
</td>
</tr>
</table>
</li>
</ul>
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<li class="blockList"><a name="method_summary">
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</a>
<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>(package private) boolean</code></td>
<td class="colLast"><code><strong><a href="../../../../net/sourceforge/jtds/jdbc/SharedSocket.html#cancel(net.sourceforge.jtds.jdbc.SharedSocket.VirtualSocket)">cancel</a></strong>(<a href="../../../../net/sourceforge/jtds/jdbc/SharedSocket.VirtualSocket.html" title="class in net.sourceforge.jtds.jdbc">SharedSocket.VirtualSocket</a> vsock)</code>
<div class="block">Send a TDS cancel packet to the server.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>(package private) void</code></td>
<td class="colLast"><code><strong><a href="../../../../net/sourceforge/jtds/jdbc/SharedSocket.html#close()">close</a></strong>()</code>
<div class="block">Close the socket and release all resources.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>(package private) void</code></td>
<td class="colLast"><code><strong><a href="../../../../net/sourceforge/jtds/jdbc/SharedSocket.html#closeStream(net.sourceforge.jtds.jdbc.SharedSocket.VirtualSocket)">closeStream</a></strong>(<a href="../../../../net/sourceforge/jtds/jdbc/SharedSocket.VirtualSocket.html" title="class in net.sourceforge.jtds.jdbc">SharedSocket.VirtualSocket</a> vsock)</code>
<div class="block">Deallocate a stream linked to this socket.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>private java.net.Socket</code></td>
<td class="colLast"><code><strong><a href="../../../../net/sourceforge/jtds/jdbc/SharedSocket.html#createSocketForJDBC3(net.sourceforge.jtds.jdbc.JtdsConnection)">createSocketForJDBC3</a></strong>(<a href="../../../../net/sourceforge/jtds/jdbc/JtdsConnection.html" title="class in net.sourceforge.jtds.jdbc">JtdsConnection</a> connection)</code>
<div class="block">Creates a <code>Socket</code> connection.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>private byte[]</code></td>
<td class="colLast"><code><strong><a href="../../../../net/sourceforge/jtds/jdbc/SharedSocket.html#dequeueInput(net.sourceforge.jtds.jdbc.SharedSocket.VirtualSocket)">dequeueInput</a></strong>(<a href="../../../../net/sourceforge/jtds/jdbc/SharedSocket.VirtualSocket.html" title="class in net.sourceforge.jtds.jdbc">SharedSocket.VirtualSocket</a> vsock)</code>
<div class="block">Read a cached packet from the in memory queue or from a disk based queue.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>(package private) void</code></td>
<td class="colLast"><code><strong><a href="../../../../net/sourceforge/jtds/jdbc/SharedSocket.html#disableEncryption()">disableEncryption</a></strong>()</code>
<div class="block">Disable TLS encryption and switch back to raw TCP/IP socket.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>(package private) void</code></td>
<td class="colLast"><code><strong><a href="../../../../net/sourceforge/jtds/jdbc/SharedSocket.html#enableEncryption(java.lang.String)">enableEncryption</a></strong>(java.lang.String ssl)</code>
<div class="block">Enable TLS encryption by creating a TLS socket over the
existing TCP/IP network socket.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>private void</code></td>
<td class="colLast"><code><strong><a href="../../../../net/sourceforge/jtds/jdbc/SharedSocket.html#enqueueInput(net.sourceforge.jtds.jdbc.SharedSocket.VirtualSocket, byte[])">enqueueInput</a></strong>(<a href="../../../../net/sourceforge/jtds/jdbc/SharedSocket.VirtualSocket.html" title="class in net.sourceforge.jtds.jdbc">SharedSocket.VirtualSocket</a> vsock,
byte[] buffer)</code>
<div class="block">Save a packet buffer in a memory queue or to a disk queue if the global
memory limit for the driver has been exceeded.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>protected void</code></td>
<td class="colLast"><code><strong><a href="../../../../net/sourceforge/jtds/jdbc/SharedSocket.html#finalize()">finalize</a></strong>()</code>
<div class="block">Ensure all resources are released.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>(package private) void</code></td>
<td class="colLast"><code><strong><a href="../../../../net/sourceforge/jtds/jdbc/SharedSocket.html#forceClose()">forceClose</a></strong>()</code>
<div class="block">Force close the socket causing any pending reads/writes to fail.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>(package private) java.lang.String</code></td>
<td class="colLast"><code><strong><a href="../../../../net/sourceforge/jtds/jdbc/SharedSocket.html#getCharset()">getCharset</a></strong>()</code>
<div class="block">Retrieve the character set name used to translate byte arrays to
or from Strings.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>(package private) <a href="../../../../net/sourceforge/jtds/jdbc/CharsetInfo.html" title="class in net.sourceforge.jtds.jdbc">CharsetInfo</a></code></td>
<td class="colLast"><code><strong><a href="../../../../net/sourceforge/jtds/jdbc/SharedSocket.html#getCharsetInfo()">getCharsetInfo</a></strong>()</code>
<div class="block">Retrieve the character set descriptor used to translate byte arrays to
or from Strings.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>protected java.lang.String</code></td>
<td class="colLast"><code><strong><a href="../../../../net/sourceforge/jtds/jdbc/SharedSocket.html#getHost()">getHost</a></strong>()</code>
<div class="block">Get the server host name.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>protected java.io.DataInputStream</code></td>
<td class="colLast"><code><strong><a href="../../../../net/sourceforge/jtds/jdbc/SharedSocket.html#getIn()">getIn</a></strong>()</code>
<div class="block">Getter for <a href="../../../../net/sourceforge/jtds/jdbc/SharedSocket.html#in"><code>in</code></a> field.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>(package private) java.lang.String</code></td>
<td class="colLast"><code><strong><a href="../../../../net/sourceforge/jtds/jdbc/SharedSocket.html#getMAC()">getMAC</a></strong>()</code> </td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>(package private) static int</code></td>
<td class="colLast"><code><strong><a href="../../../../net/sourceforge/jtds/jdbc/SharedSocket.html#getMemoryBudget()">getMemoryBudget</a></strong>()</code>
<div class="block">Get the global buffer memory limit for all instancs of this driver.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>(package private) static int</code></td>
<td class="colLast"><code><strong><a href="../../../../net/sourceforge/jtds/jdbc/SharedSocket.html#getMinMemPkts()">getMinMemPkts</a></strong>()</code>
<div class="block">Get the minimum number of memory cached packets.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>(package private) byte[]</code></td>
<td class="colLast"><code><strong><a href="../../../../net/sourceforge/jtds/jdbc/SharedSocket.html#getNetPacket(net.sourceforge.jtds.jdbc.SharedSocket.VirtualSocket, byte[])">getNetPacket</a></strong>(<a href="../../../../net/sourceforge/jtds/jdbc/SharedSocket.VirtualSocket.html" title="class in net.sourceforge.jtds.jdbc">SharedSocket.VirtualSocket</a> vsock,
byte[] buffer)</code>
<div class="block">Get a network packet.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>protected java.io.DataOutputStream</code></td>
<td class="colLast"><code><strong><a href="../../../../net/sourceforge/jtds/jdbc/SharedSocket.html#getOut()">getOut</a></strong>()</code>
<div class="block">Getter for <a href="../../../../net/sourceforge/jtds/jdbc/SharedSocket.html#out"><code>out</code></a> field.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>(package private) static int</code></td>
<td class="colLast"><code><strong><a href="../../../../net/sourceforge/jtds/jdbc/SharedSocket.html#getPktLen(byte[])">getPktLen</a></strong>(byte[] buf)</code>
<div class="block">Convert two bytes (in network byte order) in a byte array into a Java
short integer.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>protected int</code></td>
<td class="colLast"><code><strong><a href="../../../../net/sourceforge/jtds/jdbc/SharedSocket.html#getPort()">getPort</a></strong>()</code>
<div class="block">Get the server port number.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>(package private) <a href="../../../../net/sourceforge/jtds/jdbc/RequestStream.html" title="class in net.sourceforge.jtds.jdbc">RequestStream</a></code></td>
<td class="colLast"><code><strong><a href="../../../../net/sourceforge/jtds/jdbc/SharedSocket.html#getRequestStream(int, int)">getRequestStream</a></strong>(int bufferSize,
int maxPrecision)</code>
<div class="block">Obtain an instance of a server request stream for this socket.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>(package private) <a href="../../../../net/sourceforge/jtds/jdbc/ResponseStream.html" title="class in net.sourceforge.jtds.jdbc">ResponseStream</a></code></td>
<td class="colLast"><code><strong><a href="../../../../net/sourceforge/jtds/jdbc/SharedSocket.html#getResponseStream(net.sourceforge.jtds.jdbc.RequestStream, int)">getResponseStream</a></strong>(<a href="../../../../net/sourceforge/jtds/jdbc/RequestStream.html" title="class in net.sourceforge.jtds.jdbc">RequestStream</a> requestStream,
int bufferSize)</code>
<div class="block">Obtain an instance of a server response stream for this socket.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>(package private) int</code></td>
<td class="colLast"><code><strong><a href="../../../../net/sourceforge/jtds/jdbc/SharedSocket.html#getTdsVersion()">getTdsVersion</a></strong>()</code>
<div class="block">Retrieve the TDS version that is active on the connection
supported by this socket.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>(package private) boolean</code></td>
<td class="colLast"><code><strong><a href="../../../../net/sourceforge/jtds/jdbc/SharedSocket.html#isConnected()">isConnected</a></strong>()</code>
<div class="block">Get the connected status of this socket.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>private byte[]</code></td>
<td class="colLast"><code><strong><a href="../../../../net/sourceforge/jtds/jdbc/SharedSocket.html#readPacket(byte[])">readPacket</a></strong>(byte[] buffer)</code>
<div class="block">Read a physical TDS packet from the network.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>(package private) byte[]</code></td>
<td class="colLast"><code><strong><a href="../../../../net/sourceforge/jtds/jdbc/SharedSocket.html#sendNetPacket(net.sourceforge.jtds.jdbc.SharedSocket.VirtualSocket, byte[])">sendNetPacket</a></strong>(<a href="../../../../net/sourceforge/jtds/jdbc/SharedSocket.VirtualSocket.html" title="class in net.sourceforge.jtds.jdbc">SharedSocket.VirtualSocket</a> vsock,
byte[] buffer)</code>
<div class="block">Send a network packet.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>(package private) void</code></td>
<td class="colLast"><code><strong><a href="../../../../net/sourceforge/jtds/jdbc/SharedSocket.html#setCharsetInfo(net.sourceforge.jtds.jdbc.CharsetInfo)">setCharsetInfo</a></strong>(<a href="../../../../net/sourceforge/jtds/jdbc/CharsetInfo.html" title="class in net.sourceforge.jtds.jdbc">CharsetInfo</a> charsetInfo)</code>
<div class="block">Set the character set descriptor to be used to translate byte arrays to
or from Strings.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>protected void</code></td>
<td class="colLast"><code><strong><a href="../../../../net/sourceforge/jtds/jdbc/SharedSocket.html#setIn(java.io.DataInputStream)">setIn</a></strong>(java.io.DataInputStream in)</code>
<div class="block">Setter for <a href="../../../../net/sourceforge/jtds/jdbc/SharedSocket.html#in"><code>in</code></a> field.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>protected void</code></td>
<td class="colLast"><code><strong><a href="../../../../net/sourceforge/jtds/jdbc/SharedSocket.html#setKeepAlive(boolean)">setKeepAlive</a></strong>(boolean keepAlive)</code>
<div class="block">Set the socket keep alive.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>(package private) static void</code></td>
<td class="colLast"><code><strong><a href="../../../../net/sourceforge/jtds/jdbc/SharedSocket.html#setMemoryBudget(int)">setMemoryBudget</a></strong>(int memoryBudget)</code>
<div class="block">Set the global buffer memory limit for all instances of this driver.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>(package private) static void</code></td>
<td class="colLast"><code><strong><a href="../../../../net/sourceforge/jtds/jdbc/SharedSocket.html#setMinMemPkts(int)">setMinMemPkts</a></strong>(int minMemPkts)</code>
<div class="block">Set the minimum number of packets to cache in memory before
writing to disk.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>protected void</code></td>
<td class="colLast"><code><strong><a href="../../../../net/sourceforge/jtds/jdbc/SharedSocket.html#setOut(java.io.DataOutputStream)">setOut</a></strong>(java.io.DataOutputStream out)</code>
<div class="block">Setter for <a href="../../../../net/sourceforge/jtds/jdbc/SharedSocket.html#out"><code>out</code></a> field.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>protected void</code></td>
<td class="colLast"><code><strong><a href="../../../../net/sourceforge/jtds/jdbc/SharedSocket.html#setTdsVersion(int)">setTdsVersion</a></strong>(int tdsVersion)</code>
<div class="block">Set the TDS version field.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>protected void</code></td>
<td class="colLast"><code><strong><a href="../../../../net/sourceforge/jtds/jdbc/SharedSocket.html#setTimeout(int)">setTimeout</a></strong>(int timeout)</code>
<div class="block">Set the socket timeout.</div>
</td>
</tr>
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<h3>Methods inherited from class java.lang.Object</h3>
<code>clone, equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait</code></li>
</ul>
</li>
</ul>
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<h3>Field Detail</h3>
<a name="socket">
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<h4>socket</h4>
<pre>private java.net.Socket socket</pre>
<div class="block">The shared network socket.</div>
</li>
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<h4>sslSocket</h4>
<pre>private java.net.Socket sslSocket</pre>
<div class="block">The shared SSL network socket;</div>
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<h4>out</h4>
<pre>private java.io.DataOutputStream out</pre>
<div class="block">Output stream for network socket.</div>
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<h4>in</h4>
<pre>private java.io.DataInputStream in</pre>
<div class="block">Input stream for network socket.</div>
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<h4>maxBufSize</h4>
<pre>private int maxBufSize</pre>
<div class="block">Current maximum input buffer size.</div>
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<h4>_LastID</h4>
<pre>private final java.util.concurrent.atomic.AtomicInteger _LastID</pre>
<div class="block">last ID assigned to a VirtualSocket instance</div>
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<h4>_VirtualSockets</h4>
<pre>private final java.util.concurrent.ConcurrentMap<java.lang.Integer,<a href="../../../../net/sourceforge/jtds/jdbc/SharedSocket.VirtualSocket.html" title="class in net.sourceforge.jtds.jdbc">SharedSocket.VirtualSocket</a>> _VirtualSockets</pre>
<div class="block">Table of stream objects sharing this socket.</div>
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<pre>private <a href="../../../../net/sourceforge/jtds/jdbc/SharedSocket.VirtualSocket.html" title="class in net.sourceforge.jtds.jdbc">SharedSocket.VirtualSocket</a> responseOwner</pre>
<div class="block">The virtual socket of the object that is expecting a response from the server.</div>
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<pre>private final byte[] hdrBuf</pre>
<div class="block">Buffer for packet header.</div>
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<pre>private final java.io.File bufferDir</pre>
<div class="block">The directory to buffer data to.</div>
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<pre>private static int globalMemUsage</pre>
<div class="block">Total memory usage in all instances of the driver
NB. Access to this field should probably be synchronized
but in practice lost updates will not matter much and I think
all VMs tend to do atomic saves to integer variables.</div>
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<pre>private static int peakMemUsage</pre>
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<pre>private static int memoryBudget</pre>
<div class="block">Max memory limit to use for buffers.
Only when this limit is exceeded will the driver
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<pre>private static int minMemPkts</pre>
<div class="block">Minimum number of packets that will be cached in memory
before the driver tries to write to disk even if
memoryBudget has been exceeded.</div>
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<pre>private static boolean securityViolation</pre>
<div class="block">Global flag to indicate that security constraints mean
that attempts to create work files will fail.</div>
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<pre>private int tdsVersion</pre>
<div class="block">Tds protocol version</div>
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<pre>protected final int serverType</pre>
<div class="block">The servertype one of Driver.SQLSERVER or Driver.SYBASE</div>
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<pre>private <a href="../../../../net/sourceforge/jtds/jdbc/CharsetInfo.html" title="class in net.sourceforge.jtds.jdbc">CharsetInfo</a> charsetInfo</pre>
<div class="block">The character set to use for converting strings to/from bytes.</div>
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<pre>private int packetCount</pre>
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<pre>private java.lang.String host</pre>
<div class="block">The server host name.</div>
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<pre>private int port</pre>
<div class="block">The server port number.</div>
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<pre>private boolean cancelPending</pre>
<div class="block">A cancel packet is pending.</div>
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<pre>private final java.lang.Object cancelMonitor</pre>
<div class="block">Synchronization monitor for <a href="../../../../net/sourceforge/jtds/jdbc/SharedSocket.html#cancelPending"><code>cancelPending</code></a> and
<a href="../../../../net/sourceforge/jtds/jdbc/SharedSocket.html#responseOwner"><code>responseOwner</code></a>.</div>
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<pre>private final byte[] doneBuffer</pre>
<div class="block">Buffer for TDS_DONE packets</div>
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<pre>private int doneBufferFrag</pre>
<div class="block">How much of the doneBuffer has been filled with data, <TDS_DONE_LEN IFF partial packet read.</div>
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<pre>private static final int TDS_DONE_TOKEN</pre>
<div class="block">TDS done token.</div>
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<pre>private static final int TDS_DONE_LEN</pre>
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<pre>private static final int TDS_HDR_LEN</pre>
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<dl><dt><span class="strong">See Also:</span></dt><dd><a href="../../../../constant-values.html#net.sourceforge.jtds.jdbc.SharedSocket.TDS_HDR_LEN">Constant Field Values</a></dd></dl>
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<pre>protected SharedSocket(java.io.File bufferDir,
int tdsVersion,
int serverType)</pre>
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<pre>SharedSocket(<a href="../../../../net/sourceforge/jtds/jdbc/JtdsConnection.html" title="class in net.sourceforge.jtds.jdbc">JtdsConnection</a> connection)
throws java.io.IOException,
java.net.UnknownHostException</pre>
<div class="block">Construct a <code>SharedSocket</code> object specifying host name and
port.</div>
<dl><dt><span class="strong">Parameters:</span></dt><dd><code>connection</code> - the connection object</dd>
<dt><span class="strong">Throws:</span></dt>
<dd><code>java.io.IOException</code> - if socket open fails</dd>
<dd><code>java.net.UnknownHostException</code></dd></dl>
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<pre>private java.net.Socket createSocketForJDBC3(<a href="../../../../net/sourceforge/jtds/jdbc/JtdsConnection.html" title="class in net.sourceforge.jtds.jdbc">JtdsConnection</a> connection)
throws java.io.IOException</pre>
<div class="block">Creates a <code>Socket</code> connection.</div>
<dl><dt><span class="strong">Parameters:</span></dt><dd><code>connection</code> - the connection object</dd>
<dt><span class="strong">Returns:</span></dt><dd>a socket open to the host and port with the given timeout</dd>
<dt><span class="strong">Throws:</span></dt>
<dd><code>java.io.IOException</code> - if socket open fails</dd></dl>
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<pre>java.lang.String getMAC()</pre>
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<pre>void enableEncryption(java.lang.String ssl)
throws java.io.IOException</pre>
<div class="block">Enable TLS encryption by creating a TLS socket over the
existing TCP/IP network socket.</div>
<dl><dt><span class="strong">Parameters:</span></dt><dd><code>ssl</code> - the SSL URL property value</dd>
<dt><span class="strong">Throws:</span></dt>
<dd><code>java.io.IOException</code> - if an I/O error occurs</dd></dl>
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<pre>void disableEncryption()
throws java.io.IOException</pre>
<div class="block">Disable TLS encryption and switch back to raw TCP/IP socket.</div>
<dl><dt><span class="strong">Throws:</span></dt>
<dd><code>java.io.IOException</code> - if an I/O error occurs</dd></dl>
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<pre>void setCharsetInfo(<a href="../../../../net/sourceforge/jtds/jdbc/CharsetInfo.html" title="class in net.sourceforge.jtds.jdbc">CharsetInfo</a> charsetInfo)</pre>
<div class="block">Set the character set descriptor to be used to translate byte arrays to
or from Strings.</div>
<dl><dt><span class="strong">Parameters:</span></dt><dd><code>charsetInfo</code> - the character set descriptor</dd></dl>
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<pre><a href="../../../../net/sourceforge/jtds/jdbc/CharsetInfo.html" title="class in net.sourceforge.jtds.jdbc">CharsetInfo</a> getCharsetInfo()</pre>
<div class="block">Retrieve the character set descriptor used to translate byte arrays to
or from Strings.</div>
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<pre>java.lang.String getCharset()</pre>
<div class="block">Retrieve the character set name used to translate byte arrays to
or from Strings.</div>
<dl><dt><span class="strong">Returns:</span></dt><dd>the character set name as a <code>String</code></dd></dl>
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<pre><a href="../../../../net/sourceforge/jtds/jdbc/RequestStream.html" title="class in net.sourceforge.jtds.jdbc">RequestStream</a> getRequestStream(int bufferSize,
int maxPrecision)</pre>
<div class="block">Obtain an instance of a server request stream for this socket.</div>
<dl><dt><span class="strong">Parameters:</span></dt><dd><code>bufferSize</code> - the initial buffer size to be used by the <code>RequestStream</code></dd><dd><code>maxPrecision</code> - the maximum precision for numeric/decimal types</dd>
<dt><span class="strong">Returns:</span></dt><dd>the server request stream as a <code>RequestStream</code></dd></dl>
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<pre><a href="../../../../net/sourceforge/jtds/jdbc/ResponseStream.html" title="class in net.sourceforge.jtds.jdbc">ResponseStream</a> getResponseStream(<a href="../../../../net/sourceforge/jtds/jdbc/RequestStream.html" title="class in net.sourceforge.jtds.jdbc">RequestStream</a> requestStream,
int bufferSize)</pre>
<div class="block">Obtain an instance of a server response stream for this socket.
NB. getRequestStream() must be used first to obtain the RequestStream
needed as a parameter for this method.</div>
<dl><dt><span class="strong">Parameters:</span></dt><dd><code>requestStream</code> - an existing server request stream object obtained
from this <code>SharedSocket</code></dd><dd><code>bufferSize</code> - the initial buffer size to be used by the
<code>RequestStream</code></dd>
<dt><span class="strong">Returns:</span></dt><dd>the server response stream as a <code>ResponseStream</code></dd></dl>
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<pre>int getTdsVersion()</pre>
<div class="block">Retrieve the TDS version that is active on the connection
supported by this socket.</div>
<dl><dt><span class="strong">Returns:</span></dt><dd>the TDS version as an <code>int</code></dd></dl>
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<pre>protected void setTdsVersion(int tdsVersion)</pre>
<div class="block">Set the TDS version field.</div>
<dl><dt><span class="strong">Parameters:</span></dt><dd><code>tdsVersion</code> - the TDS version as an <code>int</code></dd></dl>
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<pre>static void setMemoryBudget(int memoryBudget)</pre>
<div class="block">Set the global buffer memory limit for all instances of this driver.</div>
<dl><dt><span class="strong">Parameters:</span></dt><dd><code>memoryBudget</code> - the global memory budget</dd></dl>
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<pre>static int getMemoryBudget()</pre>
<div class="block">Get the global buffer memory limit for all instancs of this driver.</div>
<dl><dt><span class="strong">Returns:</span></dt><dd>the memory limit as an <code>int</code></dd></dl>
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<pre>static void setMinMemPkts(int minMemPkts)</pre>
<div class="block">Set the minimum number of packets to cache in memory before
writing to disk.</div>
<dl><dt><span class="strong">Parameters:</span></dt><dd><code>minMemPkts</code> - the minimum number of packets to cache</dd></dl>
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<pre>static int getMinMemPkts()</pre>
<div class="block">Get the minimum number of memory cached packets.</div>
<dl><dt><span class="strong">Returns:</span></dt><dd>minimum memory packets as an <code>int</code></dd></dl>
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<pre>boolean isConnected()</pre>
<div class="block">Get the connected status of this socket.</div>
<dl><dt><span class="strong">Returns:</span></dt><dd><code>true</code> if the underlying socket is connected</dd></dl>
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<pre>boolean cancel(<a href="../../../../net/sourceforge/jtds/jdbc/SharedSocket.VirtualSocket.html" title="class in net.sourceforge.jtds.jdbc">SharedSocket.VirtualSocket</a> vsock)</pre>
<div class="block">Send a TDS cancel packet to the server.</div>
<dl><dt><span class="strong">Parameters:</span></dt><dd><code>vsock</code> - the <a href="../../../../net/sourceforge/jtds/jdbc/SharedSocket.VirtualSocket.html" title="class in net.sourceforge.jtds.jdbc"><code>SharedSocket.VirtualSocket</code></a> used by the request to be canceled</dd>
<dt><span class="strong">Returns:</span></dt><dd><code>true</code> if a cancel is actually issued by this method call</dd></dl>
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<h4>close</h4>
<pre>void close()
throws java.io.IOException</pre>
<div class="block">Close the socket and release all resources.</div>
<dl><dt><span class="strong">Throws:</span></dt>
<dd><code>java.io.IOException</code> - if the socket close fails</dd></dl>
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<pre>void forceClose()</pre>
<div class="block">Force close the socket causing any pending reads/writes to fail.
<p>
Used by the login timer to abort a login attempt.</div>
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<pre>void closeStream(<a href="../../../../net/sourceforge/jtds/jdbc/SharedSocket.VirtualSocket.html" title="class in net.sourceforge.jtds.jdbc">SharedSocket.VirtualSocket</a> vsock)</pre>
<div class="block">Deallocate a stream linked to this socket.</div>
<dl><dt><span class="strong">Parameters:</span></dt><dd><code>vsock</code> - the <a href="../../../../net/sourceforge/jtds/jdbc/SharedSocket.VirtualSocket.html" title="class in net.sourceforge.jtds.jdbc"><code>SharedSocket.VirtualSocket</code></a> to close</dd></dl>
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<pre>byte[] sendNetPacket(<a href="../../../../net/sourceforge/jtds/jdbc/SharedSocket.VirtualSocket.html" title="class in net.sourceforge.jtds.jdbc">SharedSocket.VirtualSocket</a> vsock,
byte[] buffer)
throws java.io.IOException</pre>
<div class="block">Send a network packet. If output for another virtual socket is
in progress this packet will be sent later.</div>
<dl><dt><span class="strong">Parameters:</span></dt><dd><code>vsock</code> - <a href="../../../../net/sourceforge/jtds/jdbc/SharedSocket.VirtualSocket.html" title="class in net.sourceforge.jtds.jdbc"><code>SharedSocket.VirtualSocket</code></a> of the originating <a href="../../../../net/sourceforge/jtds/jdbc/RequestStream.html" title="class in net.sourceforge.jtds.jdbc"><code>RequestStream</code></a></dd><dd><code>buffer</code> - the data to send</dd>
<dt><span class="strong">Returns:</span></dt><dd>the same buffer received if emptied or another buffer w/ the same size
if the incoming buffer is cached (to avoid copying)</dd>
<dt><span class="strong">Throws:</span></dt>
<dd><code>java.io.IOException</code> - if an I/O error occurs</dd></dl>
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<pre>byte[] getNetPacket(<a href="../../../../net/sourceforge/jtds/jdbc/SharedSocket.VirtualSocket.html" title="class in net.sourceforge.jtds.jdbc">SharedSocket.VirtualSocket</a> vsock,
byte[] buffer)
throws java.io.IOException</pre>
<div class="block">Get a network packet. This may be read from the network directly or from
previously cached buffers.</div>
<dl><dt><span class="strong">Parameters:</span></dt><dd><code>vsock</code> - <a href="../../../../net/sourceforge/jtds/jdbc/SharedSocket.VirtualSocket.html" title="class in net.sourceforge.jtds.jdbc"><code>SharedSocket.VirtualSocket</code></a> the originating ResponseStream object</dd><dd><code>buffer</code> - the data buffer to receive the object (may be replaced)</dd>
<dt><span class="strong">Returns:</span></dt><dd>the data in a <code>byte[]</code> buffer</dd>
<dt><span class="strong">Throws:</span></dt>
<dd><code>java.io.IOException</code> - if an I/O error occurs</dd></dl>
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<pre>private void enqueueInput(<a href="../../../../net/sourceforge/jtds/jdbc/SharedSocket.VirtualSocket.html" title="class in net.sourceforge.jtds.jdbc">SharedSocket.VirtualSocket</a> vsock,
byte[] buffer)
throws java.io.IOException</pre>
<div class="block">Save a packet buffer in a memory queue or to a disk queue if the global
memory limit for the driver has been exceeded.</div>
<dl><dt><span class="strong">Parameters:</span></dt><dd><code>vsock</code> - the virtual socket owning this data</dd><dd><code>buffer</code> - the data to queue</dd>
<dt><span class="strong">Throws:</span></dt>
<dd><code>java.io.IOException</code></dd></dl>
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<pre>private byte[] dequeueInput(<a href="../../../../net/sourceforge/jtds/jdbc/SharedSocket.VirtualSocket.html" title="class in net.sourceforge.jtds.jdbc">SharedSocket.VirtualSocket</a> vsock)
throws java.io.IOException</pre>
<div class="block">Read a cached packet from the in memory queue or from a disk based queue.</div>
<dl><dt><span class="strong">Parameters:</span></dt><dd><code>vsock</code> - the virtual socket owning this data</dd>
<dt><span class="strong">Returns:</span></dt><dd>a buffer containing the packet</dd>
<dt><span class="strong">Throws:</span></dt>
<dd><code>java.io.IOException</code></dd></dl>
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<pre>private byte[] readPacket(byte[] buffer)
throws java.io.IOException</pre>
<div class="block">Read a physical TDS packet from the network.</div>
<dl><dt><span class="strong">Parameters:</span></dt><dd><code>buffer</code> - a buffer to read the data into (if it fits) or null</dd>
<dt><span class="strong">Returns:</span></dt><dd>either the incoming buffer if it was large enough or a newly
allocated buffer with the read packet</dd>
<dt><span class="strong">Throws:</span></dt>
<dd><code>java.io.IOException</code></dd></dl>
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<pre>static int getPktLen(byte[] buf)</pre>
<div class="block">Convert two bytes (in network byte order) in a byte array into a Java
short integer.</div>
<dl><dt><span class="strong">Parameters:</span></dt><dd><code>buf</code> - array of data</dd>
<dt><span class="strong">Returns:</span></dt><dd>the 16 bit unsigned value as an <code>int</code></dd></dl>
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<h4>setTimeout</h4>
<pre>protected void setTimeout(int timeout)
throws java.net.SocketException</pre>
<div class="block">Set the socket timeout.</div>
<dl><dt><span class="strong">Parameters:</span></dt><dd><code>timeout</code> - the timeout value in milliseconds</dd>
<dt><span class="strong">Throws:</span></dt>
<dd><code>java.net.SocketException</code></dd></dl>
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<h4>setKeepAlive</h4>
<pre>protected void setKeepAlive(boolean keepAlive)
throws java.net.SocketException</pre>
<div class="block">Set the socket keep alive.</div>
<dl><dt><span class="strong">Parameters:</span></dt><dd><code>keepAlive</code> - <code>true</code> to turn on socket keep alive</dd>
<dt><span class="strong">Throws:</span></dt>
<dd><code>java.net.SocketException</code></dd></dl>
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<h4>getIn</h4>
<pre>protected java.io.DataInputStream getIn()</pre>
<div class="block">Getter for <a href="../../../../net/sourceforge/jtds/jdbc/SharedSocket.html#in"><code>in</code></a> field.</div>
<dl><dt><span class="strong">Returns:</span></dt><dd><code>InputStream</code> used for communication</dd></dl>
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<h4>setIn</h4>
<pre>protected void setIn(java.io.DataInputStream in)</pre>
<div class="block">Setter for <a href="../../../../net/sourceforge/jtds/jdbc/SharedSocket.html#in"><code>in</code></a> field.</div>
<dl><dt><span class="strong">Parameters:</span></dt><dd><code>in</code> - the <code>InputStream</code> to be used for communication</dd></dl>
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<h4>getOut</h4>
<pre>protected java.io.DataOutputStream getOut()</pre>
<div class="block">Getter for <a href="../../../../net/sourceforge/jtds/jdbc/SharedSocket.html#out"><code>out</code></a> field.</div>
<dl><dt><span class="strong">Returns:</span></dt><dd><code>OutputStream</code> used for communication</dd></dl>
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<h4>setOut</h4>
<pre>protected void setOut(java.io.DataOutputStream out)</pre>
<div class="block">Setter for <a href="../../../../net/sourceforge/jtds/jdbc/SharedSocket.html#out"><code>out</code></a> field.</div>
<dl><dt><span class="strong">Parameters:</span></dt><dd><code>out</code> - the <code>OutputStream</code> to be used for communication</dd></dl>
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<pre>protected java.lang.String getHost()</pre>
<div class="block">Get the server host name.</div>
<dl><dt><span class="strong">Returns:</span></dt><dd>the host name as a <code>String</code></dd></dl>
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<h4>getPort</h4>
<pre>protected int getPort()</pre>
<div class="block">Get the server port number.</div>
<dl><dt><span class="strong">Returns:</span></dt><dd>the host port as an <code>int</code></dd></dl>
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<h4>finalize</h4>
<pre>protected void finalize()
throws java.lang.Throwable</pre>
<div class="block">Ensure all resources are released.</div>
<dl>
<dt><strong>Overrides:</strong></dt>
<dd><code>finalize</code> in class <code>java.lang.Object</code></dd>
<dt><span class="strong">Throws:</span></dt>
<dd><code>java.lang.Throwable</code></dd></dl>
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