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<div id="projectname">dashel
 <span id="projectnumber">1.3.3</span>
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<li class="navelem"><a class="el" href="namespaceDashel.html">Dashel</a></li><li class="navelem"><a class="el" href="classDashel_1_1PacketStream.html">PacketStream</a></li> </ul>
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<div class="title">Dashel::PacketStream Class Reference<span class="mlabels"><span class="mlabel">abstract</span></span></div> </div>
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<p>A data stream, that can be later send data as at UDP packet or read data from an UDP packet.
<a href="classDashel_1_1PacketStream.html#details">More...</a></p>
<p><code>#include <<a class="el" href="dashel_8h_source.html">dashel.h</a>></code></p>
<div class="dynheader">
Inheritance diagram for Dashel::PacketStream:</div>
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<img src="classDashel_1_1PacketStream.png" usemap="#Dashel::PacketStream_map" alt=""/>
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<area href="classDashel_1_1Stream.html" title="A data stream, with low-level (not-endian safe) read/write functions. " alt="Dashel::Stream" shape="rect" coords="0,0,134,24"/>
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<table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="pub-methods"></a>
Public Member Functions</h2></td></tr>
<tr class="memitem:ae39fcbfcf5d82116bbb2b14c5ced11f9"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="ae39fcbfcf5d82116bbb2b14c5ced11f9"></a>
 </td><td class="memItemRight" valign="bottom"><a class="el" href="classDashel_1_1PacketStream.html#ae39fcbfcf5d82116bbb2b14c5ced11f9">PacketStream</a> (const std::string &<a class="el" href="classDashel_1_1Stream.html#af7de9b4311e7ad2e6580def9826e0396">protocolName</a>)</td></tr>
<tr class="memdesc:ae39fcbfcf5d82116bbb2b14c5ced11f9"><td class="mdescLeft"> </td><td class="mdescRight">Constructor. <br /></td></tr>
<tr class="separator:ae39fcbfcf5d82116bbb2b14c5ced11f9"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a449bbdae7472e984b61f250c69b45517"><td class="memItemLeft" align="right" valign="top">virtual void </td><td class="memItemRight" valign="bottom"><a class="el" href="classDashel_1_1PacketStream.html#a449bbdae7472e984b61f250c69b45517">send</a> (const <a class="el" href="classDashel_1_1IPV4Address.html">IPV4Address</a> &dest)=0</td></tr>
<tr class="memdesc:a449bbdae7472e984b61f250c69b45517"><td class="mdescLeft"> </td><td class="mdescRight">Send all written data to an IP address in a single packet. <a href="#a449bbdae7472e984b61f250c69b45517">More...</a><br /></td></tr>
<tr class="separator:a449bbdae7472e984b61f250c69b45517"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ae05c2098b2af96607916c61d628ffaa8"><td class="memItemLeft" align="right" valign="top">virtual void </td><td class="memItemRight" valign="bottom"><a class="el" href="classDashel_1_1PacketStream.html#ae05c2098b2af96607916c61d628ffaa8">receive</a> (<a class="el" href="classDashel_1_1IPV4Address.html">IPV4Address</a> &source)=0</td></tr>
<tr class="memdesc:ae05c2098b2af96607916c61d628ffaa8"><td class="mdescLeft"> </td><td class="mdescRight">Receive a packet and make its payload available for reading. <a href="#ae05c2098b2af96607916c61d628ffaa8">More...</a><br /></td></tr>
<tr class="separator:ae05c2098b2af96607916c61d628ffaa8"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="inherit_header pub_methods_classDashel_1_1Stream"><td colspan="2" onclick="javascript:toggleInherit('pub_methods_classDashel_1_1Stream')"><img src="closed.png" alt="-"/> Public Member Functions inherited from <a class="el" href="classDashel_1_1Stream.html">Dashel::Stream</a></td></tr>
<tr class="memitem:a935d5ea862d616c18ce56fc5ccd24cac inherit pub_methods_classDashel_1_1Stream"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="classDashel_1_1Stream.html#a935d5ea862d616c18ce56fc5ccd24cac">fail</a> (<a class="el" href="classDashel_1_1DashelException.html#a6d3b944b80a994ec376e26a035b45c43">DashelException::Source</a> s, int se, const char *reason)</td></tr>
<tr class="memdesc:a935d5ea862d616c18ce56fc5ccd24cac inherit pub_methods_classDashel_1_1Stream"><td class="mdescLeft"> </td><td class="mdescRight">Set stream to failed state. <a href="#a935d5ea862d616c18ce56fc5ccd24cac">More...</a><br /></td></tr>
<tr class="separator:a935d5ea862d616c18ce56fc5ccd24cac inherit pub_methods_classDashel_1_1Stream"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a9b75831260a3dc9941533985ad5084c7 inherit pub_methods_classDashel_1_1Stream"><td class="memItemLeft" align="right" valign="top">bool </td><td class="memItemRight" valign="bottom"><a class="el" href="classDashel_1_1Stream.html#a9b75831260a3dc9941533985ad5084c7">failed</a> () const </td></tr>
<tr class="memdesc:a9b75831260a3dc9941533985ad5084c7 inherit pub_methods_classDashel_1_1Stream"><td class="mdescLeft"> </td><td class="mdescRight">Query failed state of stream. <a href="#a9b75831260a3dc9941533985ad5084c7">More...</a><br /></td></tr>
<tr class="separator:a9b75831260a3dc9941533985ad5084c7 inherit pub_methods_classDashel_1_1Stream"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a41520ca590a0a5e4b416518a40994226 inherit pub_methods_classDashel_1_1Stream"><td class="memItemLeft" align="right" valign="top">const std::string & </td><td class="memItemRight" valign="bottom"><a class="el" href="classDashel_1_1Stream.html#a41520ca590a0a5e4b416518a40994226">getFailReason</a> () const </td></tr>
<tr class="memdesc:a41520ca590a0a5e4b416518a40994226 inherit pub_methods_classDashel_1_1Stream"><td class="mdescLeft"> </td><td class="mdescRight">Returns the reason the stream has failed. <a href="#a41520ca590a0a5e4b416518a40994226">More...</a><br /></td></tr>
<tr class="separator:a41520ca590a0a5e4b416518a40994226 inherit pub_methods_classDashel_1_1Stream"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a5de8184d40762acbfe59f3672285fb72 inherit pub_methods_classDashel_1_1Stream"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a5de8184d40762acbfe59f3672285fb72"></a>
const std::string & </td><td class="memItemRight" valign="bottom"><a class="el" href="classDashel_1_1Stream.html#a5de8184d40762acbfe59f3672285fb72">getProtocolName</a> () const </td></tr>
<tr class="memdesc:a5de8184d40762acbfe59f3672285fb72 inherit pub_methods_classDashel_1_1Stream"><td class="mdescLeft"> </td><td class="mdescRight">Returns the protocol name of the stream. <br /></td></tr>
<tr class="separator:a5de8184d40762acbfe59f3672285fb72 inherit pub_methods_classDashel_1_1Stream"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ad82f0c136eb60bdbc2ba632e716f97e9 inherit pub_methods_classDashel_1_1Stream"><td class="memItemLeft" align="right" valign="top">std::string </td><td class="memItemRight" valign="bottom"><a class="el" href="classDashel_1_1Stream.html#ad82f0c136eb60bdbc2ba632e716f97e9">getTargetName</a> () const </td></tr>
<tr class="memdesc:ad82f0c136eb60bdbc2ba632e716f97e9 inherit pub_methods_classDashel_1_1Stream"><td class="mdescLeft"> </td><td class="mdescRight">Returns the name of the target. <a href="#ad82f0c136eb60bdbc2ba632e716f97e9">More...</a><br /></td></tr>
<tr class="separator:ad82f0c136eb60bdbc2ba632e716f97e9 inherit pub_methods_classDashel_1_1Stream"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a81848313db8d819c893fdd6ad582a22f inherit pub_methods_classDashel_1_1Stream"><td class="memItemLeft" align="right" valign="top">const std::string & </td><td class="memItemRight" valign="bottom"><a class="el" href="classDashel_1_1Stream.html#a81848313db8d819c893fdd6ad582a22f">getTargetParameter</a> (const char *param) const </td></tr>
<tr class="memdesc:a81848313db8d819c893fdd6ad582a22f inherit pub_methods_classDashel_1_1Stream"><td class="mdescLeft"> </td><td class="mdescRight">Returns the value of a parameter extracted from the target. <a href="#a81848313db8d819c893fdd6ad582a22f">More...</a><br /></td></tr>
<tr class="separator:a81848313db8d819c893fdd6ad582a22f inherit pub_methods_classDashel_1_1Stream"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a41e9e6bb996f8075eb77ba47fa1ca250 inherit pub_methods_classDashel_1_1Stream"><td class="memItemLeft" align="right" valign="top">const <a class="el" href="classDashel_1_1ParameterSet.html">ParameterSet</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="classDashel_1_1Stream.html#a41e9e6bb996f8075eb77ba47fa1ca250">getTarget</a> () const </td></tr>
<tr class="memdesc:a41e9e6bb996f8075eb77ba47fa1ca250 inherit pub_methods_classDashel_1_1Stream"><td class="mdescLeft"> </td><td class="mdescRight">Returns the target description. <a href="#a41e9e6bb996f8075eb77ba47fa1ca250">More...</a><br /></td></tr>
<tr class="separator:a41e9e6bb996f8075eb77ba47fa1ca250 inherit pub_methods_classDashel_1_1Stream"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a7cf44afc44d69075ffdd7170d4341ba7 inherit pub_methods_classDashel_1_1Stream"><td class="memItemLeft" align="right" valign="top">virtual void </td><td class="memItemRight" valign="bottom"><a class="el" href="classDashel_1_1Stream.html#a7cf44afc44d69075ffdd7170d4341ba7">write</a> (const void *data, const size_t size)=0</td></tr>
<tr class="memdesc:a7cf44afc44d69075ffdd7170d4341ba7 inherit pub_methods_classDashel_1_1Stream"><td class="mdescLeft"> </td><td class="mdescRight">Write data to the stream. <a href="#a7cf44afc44d69075ffdd7170d4341ba7">More...</a><br /></td></tr>
<tr class="separator:a7cf44afc44d69075ffdd7170d4341ba7 inherit pub_methods_classDashel_1_1Stream"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a1114aa6f8a0d40e8c1f922d568d5145d inherit pub_methods_classDashel_1_1Stream"><td class="memTemplParams" colspan="2">template<typename T > </td></tr>
<tr class="memitem:a1114aa6f8a0d40e8c1f922d568d5145d inherit pub_methods_classDashel_1_1Stream"><td class="memTemplItemLeft" align="right" valign="top">void </td><td class="memTemplItemRight" valign="bottom"><a class="el" href="classDashel_1_1Stream.html#a1114aa6f8a0d40e8c1f922d568d5145d">write</a> (T v)</td></tr>
<tr class="memdesc:a1114aa6f8a0d40e8c1f922d568d5145d inherit pub_methods_classDashel_1_1Stream"><td class="mdescLeft"> </td><td class="mdescRight">Write a variable of basic type to the stream. <a href="#a1114aa6f8a0d40e8c1f922d568d5145d">More...</a><br /></td></tr>
<tr class="separator:a1114aa6f8a0d40e8c1f922d568d5145d inherit pub_methods_classDashel_1_1Stream"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a52d85bd17026db637a702a9db59ce7c1 inherit pub_methods_classDashel_1_1Stream"><td class="memItemLeft" align="right" valign="top">virtual void </td><td class="memItemRight" valign="bottom"><a class="el" href="classDashel_1_1Stream.html#a52d85bd17026db637a702a9db59ce7c1">flush</a> ()=0</td></tr>
<tr class="memdesc:a52d85bd17026db637a702a9db59ce7c1 inherit pub_methods_classDashel_1_1Stream"><td class="mdescLeft"> </td><td class="mdescRight">Flushes stream. <a href="#a52d85bd17026db637a702a9db59ce7c1">More...</a><br /></td></tr>
<tr class="separator:a52d85bd17026db637a702a9db59ce7c1 inherit pub_methods_classDashel_1_1Stream"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a2f20b20cf7929f19851c5501d2abc4ed inherit pub_methods_classDashel_1_1Stream"><td class="memItemLeft" align="right" valign="top">virtual void </td><td class="memItemRight" valign="bottom"><a class="el" href="classDashel_1_1Stream.html#a2f20b20cf7929f19851c5501d2abc4ed">read</a> (void *data, size_t size)=0</td></tr>
<tr class="memdesc:a2f20b20cf7929f19851c5501d2abc4ed inherit pub_methods_classDashel_1_1Stream"><td class="mdescLeft"> </td><td class="mdescRight">Reads data from the stream. <a href="#a2f20b20cf7929f19851c5501d2abc4ed">More...</a><br /></td></tr>
<tr class="separator:a2f20b20cf7929f19851c5501d2abc4ed inherit pub_methods_classDashel_1_1Stream"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a285a0773aecbe3362dfe54430cfcf6e7 inherit pub_methods_classDashel_1_1Stream"><td class="memTemplParams" colspan="2">template<typename T > </td></tr>
<tr class="memitem:a285a0773aecbe3362dfe54430cfcf6e7 inherit pub_methods_classDashel_1_1Stream"><td class="memTemplItemLeft" align="right" valign="top">T </td><td class="memTemplItemRight" valign="bottom"><a class="el" href="classDashel_1_1Stream.html#a285a0773aecbe3362dfe54430cfcf6e7">read</a> ()</td></tr>
<tr class="memdesc:a285a0773aecbe3362dfe54430cfcf6e7 inherit pub_methods_classDashel_1_1Stream"><td class="mdescLeft"> </td><td class="mdescRight">Read a variable of basic type from the stream. <a href="#a285a0773aecbe3362dfe54430cfcf6e7">More...</a><br /></td></tr>
<tr class="separator:a285a0773aecbe3362dfe54430cfcf6e7 inherit pub_methods_classDashel_1_1Stream"><td class="memSeparator" colspan="2"> </td></tr>
</table><table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="inherited"></a>
Additional Inherited Members</h2></td></tr>
<tr class="inherit_header pro_methods_classDashel_1_1Stream"><td colspan="2" onclick="javascript:toggleInherit('pro_methods_classDashel_1_1Stream')"><img src="closed.png" alt="-"/> Protected Member Functions inherited from <a class="el" href="classDashel_1_1Stream.html">Dashel::Stream</a></td></tr>
<tr class="memitem:ad8d9725470a8d5c19ef79599939580f7 inherit pro_methods_classDashel_1_1Stream"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="ad8d9725470a8d5c19ef79599939580f7"></a>
 </td><td class="memItemRight" valign="bottom"><a class="el" href="classDashel_1_1Stream.html#ad8d9725470a8d5c19ef79599939580f7">Stream</a> (const std::string &<a class="el" href="classDashel_1_1Stream.html#af7de9b4311e7ad2e6580def9826e0396">protocolName</a>)</td></tr>
<tr class="memdesc:ad8d9725470a8d5c19ef79599939580f7 inherit pro_methods_classDashel_1_1Stream"><td class="mdescLeft"> </td><td class="mdescRight">Constructor. <br /></td></tr>
<tr class="separator:ad8d9725470a8d5c19ef79599939580f7 inherit pro_methods_classDashel_1_1Stream"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a945e75312c20b560a2634d3ec5d75e62 inherit pro_methods_classDashel_1_1Stream"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a945e75312c20b560a2634d3ec5d75e62"></a>
virtual </td><td class="memItemRight" valign="bottom"><a class="el" href="classDashel_1_1Stream.html#a945e75312c20b560a2634d3ec5d75e62">~Stream</a> ()</td></tr>
<tr class="memdesc:a945e75312c20b560a2634d3ec5d75e62 inherit pro_methods_classDashel_1_1Stream"><td class="mdescLeft"> </td><td class="mdescRight">Virtual destructor, to ensure calls to destructors of sub-classes. <br /></td></tr>
<tr class="separator:a945e75312c20b560a2634d3ec5d75e62 inherit pro_methods_classDashel_1_1Stream"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="inherit_header pro_attribs_classDashel_1_1Stream"><td colspan="2" onclick="javascript:toggleInherit('pro_attribs_classDashel_1_1Stream')"><img src="closed.png" alt="-"/> Protected Attributes inherited from <a class="el" href="classDashel_1_1Stream.html">Dashel::Stream</a></td></tr>
<tr class="memitem:a50d83e8bc9c99ad83df53ccc6ffbe362 inherit pro_attribs_classDashel_1_1Stream"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a50d83e8bc9c99ad83df53ccc6ffbe362"></a>
<a class="el" href="classDashel_1_1ParameterSet.html">ParameterSet</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="classDashel_1_1Stream.html#a50d83e8bc9c99ad83df53ccc6ffbe362">target</a></td></tr>
<tr class="memdesc:a50d83e8bc9c99ad83df53ccc6ffbe362 inherit pro_attribs_classDashel_1_1Stream"><td class="mdescLeft"> </td><td class="mdescRight">The target description. <br /></td></tr>
<tr class="separator:a50d83e8bc9c99ad83df53ccc6ffbe362 inherit pro_attribs_classDashel_1_1Stream"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:af7de9b4311e7ad2e6580def9826e0396 inherit pro_attribs_classDashel_1_1Stream"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="af7de9b4311e7ad2e6580def9826e0396"></a>
std::string </td><td class="memItemRight" valign="bottom"><a class="el" href="classDashel_1_1Stream.html#af7de9b4311e7ad2e6580def9826e0396">protocolName</a></td></tr>
<tr class="memdesc:af7de9b4311e7ad2e6580def9826e0396 inherit pro_attribs_classDashel_1_1Stream"><td class="mdescLeft"> </td><td class="mdescRight">The protocol name. <br /></td></tr>
<tr class="separator:af7de9b4311e7ad2e6580def9826e0396 inherit pro_attribs_classDashel_1_1Stream"><td class="memSeparator" colspan="2"> </td></tr>
</table>
<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
<div class="textblock"><p>A data stream, that can be later send data as at UDP packet or read data from an UDP packet. </p>
<p>You can use <a class="el" href="classDashel_1_1PacketStream.html" title="A data stream, that can be later send data as at UDP packet or read data from an UDP packet...">PacketStream</a> to write and read data as with normal stream, with the difference that: written byte will be collected in a send buffer until <a class="el" href="classDashel_1_1PacketStream.html#a449bbdae7472e984b61f250c69b45517" title="Send all written data to an IP address in a single packet. ">send()</a> is called with the destination address; if you have written too much byte for send to transmit all of them an exception will occur. However, the underlying operating system may pretend that all data has been transmitted while discarding some of it anyway. In any case, send less bytes than ethernet MTU minus UDP header. you have to call <a class="el" href="classDashel_1_1PacketStream.html#ae05c2098b2af96607916c61d628ffaa8" title="Receive a packet and make its payload available for reading. ">receive()</a> when there are bytes available on the stream to be able to read them; if your read past the received bytes an exception will occur. </p>
</div><h2 class="groupheader">Member Function Documentation</h2>
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<td class="memname">virtual void Dashel::PacketStream::receive </td>
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<td class="paramtype"><a class="el" href="classDashel_1_1IPV4Address.html">IPV4Address</a> & </td>
<td class="paramname"><em>source</em></td><td>)</td>
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<span class="mlabels"><span class="mlabel">pure virtual</span></span> </td>
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<p>Receive a packet and make its payload available for reading. </p>
<p>Block until a packet is available.</p>
<dl class="params"><dt>Parameters</dt><dd>
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<tr><td class="paramname">source</td><td>IP address from where the packet originates. </td></tr>
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<td class="memname">virtual void Dashel::PacketStream::send </td>
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<td class="paramtype">const <a class="el" href="classDashel_1_1IPV4Address.html">IPV4Address</a> & </td>
<td class="paramname"><em>dest</em></td><td>)</td>
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<p>Send all written data to an IP address in a single packet. </p>
<dl class="params"><dt>Parameters</dt><dd>
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<tr><td class="paramname">dest</td><td>IP address to send packet to </td></tr>
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<hr/>The documentation for this class was generated from the following file:<ul>
<li>dashel/<a class="el" href="dashel_8h_source.html">dashel.h</a></li>
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