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classTango_1_1Connection.html
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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "https://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
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<title>Tango Core Classes Reference: Tango::Connection Class Reference</title>
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 <span id="projectnumber">9.3.3</span>
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<div class="headertitle">
<div class="title">Tango::Connection Class Reference<span class="mlabels"><span class="mlabel">abstract</span></span><div class="ingroups"><a class="el" href="group__Client.html">Client classes</a></div></div> </div>
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<p>Base class for Tango device access.
<a href="classTango_1_1Connection.html#details">More...</a></p>
<p><code>#include "tango.h"</code></p>
<div class="dynheader">
Inheritance diagram for Tango::Connection:</div>
<div class="dyncontent">
<div class="center"><img src="classTango_1_1Connection__inherit__graph.png" border="0" usemap="#Tango_1_1Connection_inherit__map" alt="Inheritance graph"/></div>
<map name="Tango_1_1Connection_inherit__map" id="Tango_1_1Connection_inherit__map">
<area shape="rect" title="Base class for Tango device access." alt="" coords="78,5,210,32"/>
<area shape="rect" href="classTango_1_1Database.html" title="A high level object which contains the link to the database." alt="" coords="5,80,128,107"/>
<area shape="rect" href="classTango_1_1DeviceProxy.html" title="High level class which provides the client with an easy-to-use interface to TANGO devices." alt="" coords="152,80,293,107"/>
</map>
<center><span class="legend">[<a target="top" href="graph_legend.html">legend</a>]</span></center></div>
<table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="pub-methods"></a>
Public Member Functions</h2></td></tr>
<tr><td colspan="2"><div class="groupHeader">Miscellaneous methods</div></td></tr>
<tr class="memitem:a0a05fa878281ae0665274d481ed1bfe4"><td class="memItemLeft" align="right" valign="top">virtual void </td><td class="memItemRight" valign="bottom"><a class="el" href="classTango_1_1Connection.html#a0a05fa878281ae0665274d481ed1bfe4">set_timeout_millis</a> (int timeout)</td></tr>
<tr class="memdesc:a0a05fa878281ae0665274d481ed1bfe4"><td class="mdescLeft"> </td><td class="mdescRight">Set device timeout. <a href="#a0a05fa878281ae0665274d481ed1bfe4">More...</a><br /></td></tr>
<tr class="separator:a0a05fa878281ae0665274d481ed1bfe4"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:af911bbab02b415ebd3dc8faeb7d687a7"><td class="memItemLeft" align="right" valign="top">virtual int </td><td class="memItemRight" valign="bottom"><a class="el" href="classTango_1_1Connection.html#af911bbab02b415ebd3dc8faeb7d687a7">get_timeout_millis</a> ()</td></tr>
<tr class="memdesc:af911bbab02b415ebd3dc8faeb7d687a7"><td class="mdescLeft"> </td><td class="mdescRight">Get device timeout. <a href="#af911bbab02b415ebd3dc8faeb7d687a7">More...</a><br /></td></tr>
<tr class="separator:af911bbab02b415ebd3dc8faeb7d687a7"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a5d1843ba0973d0845939a4f106dbad28"><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="classTango_1_1Connection.html#a5d1843ba0973d0845939a4f106dbad28">get_idl_version</a> ()</td></tr>
<tr class="memdesc:a5d1843ba0973d0845939a4f106dbad28"><td class="mdescLeft"> </td><td class="mdescRight">Get device IDL version. <a href="#a5d1843ba0973d0845939a4f106dbad28">More...</a><br /></td></tr>
<tr class="separator:a5d1843ba0973d0845939a4f106dbad28"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:afcaee3ed7d1a75a21749ad64fbee8700"><td class="memItemLeft" align="right" valign="top">virtual Tango::DevSource </td><td class="memItemRight" valign="bottom"><a class="el" href="classTango_1_1Connection.html#afcaee3ed7d1a75a21749ad64fbee8700">get_source</a> ()</td></tr>
<tr class="memdesc:afcaee3ed7d1a75a21749ad64fbee8700"><td class="mdescLeft"> </td><td class="mdescRight">Get device source. <a href="#afcaee3ed7d1a75a21749ad64fbee8700">More...</a><br /></td></tr>
<tr class="separator:afcaee3ed7d1a75a21749ad64fbee8700"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:adaeaaf890490018e714dc1a92516b76f"><td class="memItemLeft" align="right" valign="top">virtual void </td><td class="memItemRight" valign="bottom"><a class="el" href="classTango_1_1Connection.html#adaeaaf890490018e714dc1a92516b76f">set_source</a> (Tango::DevSource sou)</td></tr>
<tr class="memdesc:adaeaaf890490018e714dc1a92516b76f"><td class="mdescLeft"> </td><td class="mdescRight">Set device source. <a href="#adaeaaf890490018e714dc1a92516b76f">More...</a><br /></td></tr>
<tr class="separator:adaeaaf890490018e714dc1a92516b76f"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:af1fa8c85c338781be7d16a99581cf383"><td class="memItemLeft" align="right" valign="top">virtual void </td><td class="memItemRight" valign="bottom"><a class="el" href="classTango_1_1Connection.html#af1fa8c85c338781be7d16a99581cf383">set_transparency_reconnection</a> (bool val)</td></tr>
<tr class="memdesc:af1fa8c85c338781be7d16a99581cf383"><td class="mdescLeft"> </td><td class="mdescRight">Set device transparency (reconnection) mode. <a href="#af1fa8c85c338781be7d16a99581cf383">More...</a><br /></td></tr>
<tr class="separator:af1fa8c85c338781be7d16a99581cf383"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ab9dad67ef6e9ba3268ac9d5627f70ea0"><td class="memItemLeft" align="right" valign="top">virtual bool </td><td class="memItemRight" valign="bottom"><a class="el" href="classTango_1_1Connection.html#ab9dad67ef6e9ba3268ac9d5627f70ea0">get_transparency_reconnection</a> ()</td></tr>
<tr class="memdesc:ab9dad67ef6e9ba3268ac9d5627f70ea0"><td class="mdescLeft"> </td><td class="mdescRight">Get device transparency (reconnection) mode. <a href="#ab9dad67ef6e9ba3268ac9d5627f70ea0">More...</a><br /></td></tr>
<tr class="separator:ab9dad67ef6e9ba3268ac9d5627f70ea0"><td class="memSeparator" colspan="2"> </td></tr>
<tr><td colspan="2"><div class="groupHeader">Synchronous command oriented methods</div></td></tr>
<tr class="memitem:ad878054e953c5288ac0bc137c6307347"><td class="memItemLeft" align="right" valign="top">virtual <a class="el" href="classTango_1_1DeviceData.html">DeviceData</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="classTango_1_1Connection.html#ad878054e953c5288ac0bc137c6307347">command_inout</a> (string &cmd_name)</td></tr>
<tr class="memdesc:ad878054e953c5288ac0bc137c6307347"><td class="mdescLeft"> </td><td class="mdescRight">Execute a command (without input data) <a href="#ad878054e953c5288ac0bc137c6307347">More...</a><br /></td></tr>
<tr class="separator:ad878054e953c5288ac0bc137c6307347"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:affa1c0fff97f714eddf69ebdb17c6665"><td class="memItemLeft" align="right" valign="top">virtual <a class="el" href="classTango_1_1DeviceData.html">DeviceData</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="classTango_1_1Connection.html#affa1c0fff97f714eddf69ebdb17c6665">command_inout</a> (const char *cmd_name)</td></tr>
<tr class="memdesc:affa1c0fff97f714eddf69ebdb17c6665"><td class="mdescLeft"> </td><td class="mdescRight">Execute a command (without input data) <a href="#affa1c0fff97f714eddf69ebdb17c6665">More...</a><br /></td></tr>
<tr class="separator:affa1c0fff97f714eddf69ebdb17c6665"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:af5d9faa2fff08068c579202d29404df5"><td class="memItemLeft" align="right" valign="top">virtual <a class="el" href="classTango_1_1DeviceData.html">DeviceData</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="classTango_1_1Connection.html#af5d9faa2fff08068c579202d29404df5">command_inout</a> (string &cmd_name, <a class="el" href="classTango_1_1DeviceData.html">DeviceData</a> &d_in)</td></tr>
<tr class="memdesc:af5d9faa2fff08068c579202d29404df5"><td class="mdescLeft"> </td><td class="mdescRight">Execute a command (with input data) <a href="#af5d9faa2fff08068c579202d29404df5">More...</a><br /></td></tr>
<tr class="separator:af5d9faa2fff08068c579202d29404df5"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a484969b4553471d1f15d873cc638cc1d"><td class="memItemLeft" align="right" valign="top">virtual <a class="el" href="classTango_1_1DeviceData.html">DeviceData</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="classTango_1_1Connection.html#a484969b4553471d1f15d873cc638cc1d">command_inout</a> (const char *cmd_name, <a class="el" href="classTango_1_1DeviceData.html">DeviceData</a> &d_in)</td></tr>
<tr class="memdesc:a484969b4553471d1f15d873cc638cc1d"><td class="mdescLeft"> </td><td class="mdescRight">Execute a command (with input data) <a href="#a484969b4553471d1f15d873cc638cc1d">More...</a><br /></td></tr>
<tr class="separator:a484969b4553471d1f15d873cc638cc1d"><td class="memSeparator" colspan="2"> </td></tr>
<tr><td colspan="2"><div class="groupHeader">Aynchronous command oriented methods</div></td></tr>
<tr class="memitem:a253afbec47129a1f235e5642648fb9ae"><td class="memItemLeft" align="right" valign="top">virtual long </td><td class="memItemRight" valign="bottom"><a class="el" href="classTango_1_1Connection.html#a253afbec47129a1f235e5642648fb9ae">command_inout_asynch</a> (const char *cmd_name, <a class="el" href="classTango_1_1DeviceData.html">DeviceData</a> &argin, bool forget=false)</td></tr>
<tr class="memdesc:a253afbec47129a1f235e5642648fb9ae"><td class="mdescLeft"> </td><td class="mdescRight">Execute a command asynchronously (with input argument) <a href="#a253afbec47129a1f235e5642648fb9ae">More...</a><br /></td></tr>
<tr class="separator:a253afbec47129a1f235e5642648fb9ae"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a05d55e0b38d0af49f77cbf1ccb3fbe56"><td class="memItemLeft" align="right" valign="top">virtual long </td><td class="memItemRight" valign="bottom"><a class="el" href="classTango_1_1Connection.html#a05d55e0b38d0af49f77cbf1ccb3fbe56">command_inout_asynch</a> (string &cmd_name, <a class="el" href="classTango_1_1DeviceData.html">DeviceData</a> &argin, bool forget=false)</td></tr>
<tr class="memdesc:a05d55e0b38d0af49f77cbf1ccb3fbe56"><td class="mdescLeft"> </td><td class="mdescRight">Execute a command asynchronously (with input argument) <a href="#a05d55e0b38d0af49f77cbf1ccb3fbe56">More...</a><br /></td></tr>
<tr class="separator:a05d55e0b38d0af49f77cbf1ccb3fbe56"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a13709d9e18276ce038e358e9ef7e54e0"><td class="memItemLeft" align="right" valign="top">virtual long </td><td class="memItemRight" valign="bottom"><a class="el" href="classTango_1_1Connection.html#a13709d9e18276ce038e358e9ef7e54e0">command_inout_asynch</a> (const char *cmd_name, bool forget=false)</td></tr>
<tr class="memdesc:a13709d9e18276ce038e358e9ef7e54e0"><td class="mdescLeft"> </td><td class="mdescRight">Execute a command asynchronously. <a href="#a13709d9e18276ce038e358e9ef7e54e0">More...</a><br /></td></tr>
<tr class="separator:a13709d9e18276ce038e358e9ef7e54e0"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a3ac6eaa4960de354249d9d9fa6c09b32"><td class="memItemLeft" align="right" valign="top">virtual long </td><td class="memItemRight" valign="bottom"><a class="el" href="classTango_1_1Connection.html#a3ac6eaa4960de354249d9d9fa6c09b32">command_inout_asynch</a> (string &cmd_name, bool forget=false)</td></tr>
<tr class="memdesc:a3ac6eaa4960de354249d9d9fa6c09b32"><td class="mdescLeft"> </td><td class="mdescRight">Execute a command asynchronously. <a href="#a3ac6eaa4960de354249d9d9fa6c09b32">More...</a><br /></td></tr>
<tr class="separator:a3ac6eaa4960de354249d9d9fa6c09b32"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:afae0ebefc88ab77671fc717f30b53c8f"><td class="memItemLeft" align="right" valign="top">virtual <a class="el" href="classTango_1_1DeviceData.html">DeviceData</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="classTango_1_1Connection.html#afae0ebefc88ab77671fc717f30b53c8f">command_inout_reply</a> (long id)</td></tr>
<tr class="memdesc:afae0ebefc88ab77671fc717f30b53c8f"><td class="mdescLeft"> </td><td class="mdescRight">Check an asynchronous command_inout answer is arrived. <a href="#afae0ebefc88ab77671fc717f30b53c8f">More...</a><br /></td></tr>
<tr class="separator:afae0ebefc88ab77671fc717f30b53c8f"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a02eedd172fbcb947d0a93f10d4f8def1"><td class="memItemLeft" align="right" valign="top">virtual <a class="el" href="classTango_1_1DeviceData.html">DeviceData</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="classTango_1_1Connection.html#a02eedd172fbcb947d0a93f10d4f8def1">command_inout_reply</a> (long id, long timeout)</td></tr>
<tr class="memdesc:a02eedd172fbcb947d0a93f10d4f8def1"><td class="mdescLeft"> </td><td class="mdescRight">Check an asynchronous command_inout answer is arrived with timeout. <a href="#a02eedd172fbcb947d0a93f10d4f8def1">More...</a><br /></td></tr>
<tr class="separator:a02eedd172fbcb947d0a93f10d4f8def1"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ab15806ba65762f244739c66e6a978fcc"><td class="memItemLeft" align="right" valign="top">virtual void </td><td class="memItemRight" valign="bottom"><a class="el" href="classTango_1_1Connection.html#ab15806ba65762f244739c66e6a978fcc">command_inout_asynch</a> (string &cmd_name, <a class="el" href="classTango_1_1CallBack.html">CallBack</a> &cb)</td></tr>
<tr class="memdesc:ab15806ba65762f244739c66e6a978fcc"><td class="mdescLeft"> </td><td class="mdescRight">Execute a command asynchronously with callback. <a href="#ab15806ba65762f244739c66e6a978fcc">More...</a><br /></td></tr>
<tr class="separator:ab15806ba65762f244739c66e6a978fcc"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a1b7ee02774b5ce6263539bbc62c20966"><td class="memItemLeft" align="right" valign="top">virtual void </td><td class="memItemRight" valign="bottom"><a class="el" href="classTango_1_1Connection.html#a1b7ee02774b5ce6263539bbc62c20966">command_inout_asynch</a> (const char *cmd_name, <a class="el" href="classTango_1_1CallBack.html">CallBack</a> &cb)</td></tr>
<tr class="memdesc:a1b7ee02774b5ce6263539bbc62c20966"><td class="mdescLeft"> </td><td class="mdescRight">Execute a command asynchronously with callback. <a href="#a1b7ee02774b5ce6263539bbc62c20966">More...</a><br /></td></tr>
<tr class="separator:a1b7ee02774b5ce6263539bbc62c20966"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:af29ba99c37cb252ab1d386d192f2721f"><td class="memItemLeft" align="right" valign="top">virtual void </td><td class="memItemRight" valign="bottom"><a class="el" href="classTango_1_1Connection.html#af29ba99c37cb252ab1d386d192f2721f">command_inout_asynch</a> (string &cmd_name, <a class="el" href="classTango_1_1DeviceData.html">DeviceData</a> &argin, <a class="el" href="classTango_1_1CallBack.html">CallBack</a> &cb)</td></tr>
<tr class="memdesc:af29ba99c37cb252ab1d386d192f2721f"><td class="mdescLeft"> </td><td class="mdescRight">Execute a command asynchronously with input value and callback. <a href="#af29ba99c37cb252ab1d386d192f2721f">More...</a><br /></td></tr>
<tr class="separator:af29ba99c37cb252ab1d386d192f2721f"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a0bb2ab58c99eb35b86f069a2a41c111c"><td class="memItemLeft" align="right" valign="top">virtual void </td><td class="memItemRight" valign="bottom"><a class="el" href="classTango_1_1Connection.html#a0bb2ab58c99eb35b86f069a2a41c111c">command_inout_asynch</a> (const char *cmd_name, <a class="el" href="classTango_1_1DeviceData.html">DeviceData</a> &argin, <a class="el" href="classTango_1_1CallBack.html">CallBack</a> &cb)</td></tr>
<tr class="memdesc:a0bb2ab58c99eb35b86f069a2a41c111c"><td class="mdescLeft"> </td><td class="mdescRight">Execute a command asynchronously with input value and callback. <a href="#a0bb2ab58c99eb35b86f069a2a41c111c">More...</a><br /></td></tr>
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<tr><td colspan="2"><div class="groupHeader">Asynchronous attribute related methods</div></td></tr>
<tr class="memitem:aab2655c9b8626777ab54dc795a4f0738"><td class="memItemLeft" align="right" valign="top">virtual void </td><td class="memItemRight" valign="bottom"><a class="el" href="classTango_1_1Connection.html#aab2655c9b8626777ab54dc795a4f0738">get_asynch_replies</a> ()</td></tr>
<tr class="memdesc:aab2655c9b8626777ab54dc795a4f0738"><td class="mdescLeft"> </td><td class="mdescRight">Fire callback methods. <a href="#aab2655c9b8626777ab54dc795a4f0738">More...</a><br /></td></tr>
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<tr class="memitem:a860bae40f4ad7866c78d4408bb76fa74"><td class="memItemLeft" align="right" valign="top">virtual void </td><td class="memItemRight" valign="bottom"><a class="el" href="classTango_1_1Connection.html#a860bae40f4ad7866c78d4408bb76fa74">get_asynch_replies</a> (long timeout)</td></tr>
<tr class="memdesc:a860bae40f4ad7866c78d4408bb76fa74"><td class="mdescLeft"> </td><td class="mdescRight">Fire callback methds with timeout. <a href="#a860bae40f4ad7866c78d4408bb76fa74">More...</a><br /></td></tr>
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<tr class="memitem:aa340cda55c9be5ba4c87b92b6213f6f1"><td class="memItemLeft" align="right" valign="top">virtual void </td><td class="memItemRight" valign="bottom"><a class="el" href="classTango_1_1Connection.html#aa340cda55c9be5ba4c87b92b6213f6f1">cancel_asynch_request</a> (long id)</td></tr>
<tr class="memdesc:aa340cda55c9be5ba4c87b92b6213f6f1"><td class="mdescLeft"> </td><td class="mdescRight">Cancel a pending asynchronous request. <a href="#aa340cda55c9be5ba4c87b92b6213f6f1">More...</a><br /></td></tr>
<tr class="separator:aa340cda55c9be5ba4c87b92b6213f6f1"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a7e596bb67ca070748f501ab990d5f880"><td class="memItemLeft" align="right" valign="top">virtual void </td><td class="memItemRight" valign="bottom"><a class="el" href="classTango_1_1Connection.html#a7e596bb67ca070748f501ab990d5f880">cancel_all_polling_asynch_request</a> ()</td></tr>
<tr class="memdesc:a7e596bb67ca070748f501ab990d5f880"><td class="mdescLeft"> </td><td class="mdescRight">Cancel all pending asynchronous request. <a href="#a7e596bb67ca070748f501ab990d5f880">More...</a><br /></td></tr>
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<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
<div class="textblock"><p>Base class for Tango device access. </p>
<p>Base class for Tango device access. This class is pure virtual and can be instanciated as is.</p>
<dl class="section rcs"><dt>Author</dt><dd>taurel </dd></dl>
<dl class="section rcs"><dt>Revision</dt><dd>1 </dd></dl>
</div><h2 class="groupheader">Member Function Documentation</h2>
<a id="a7e596bb67ca070748f501ab990d5f880"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a7e596bb67ca070748f501ab990d5f880">◆ </a></span>cancel_all_polling_asynch_request()</h2>
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<td class="memname">virtual void Tango::Connection::cancel_all_polling_asynch_request </td>
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<p>Cancel all pending asynchronous request. </p>
<p>Cancel all pending polling asynchronous requests. This is a call local to the client. It simply allows the caller not to get the answers of the asynchronous requests. It does not interrupt the call execution on the remote devices. </p>
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<h2 class="memtitle"><span class="permalink"><a href="#aa340cda55c9be5ba4c87b92b6213f6f1">◆ </a></span>cancel_asynch_request()</h2>
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<td class="memname">virtual void Tango::Connection::cancel_asynch_request </td>
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<td class="paramtype">long </td>
<td class="paramname"><em>id</em></td><td>)</td>
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<p>Cancel a pending asynchronous request. </p>
<p>Cancel a pending asynchronous request. id is the asynchronous call identifier. This is a call local to the client. It simply allows the caller not to get the answer of the asynchronous request. It does not interrupt the call execution on the remote device.</p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramdir">[in]</td><td class="paramname">id</td><td>The call identifier </td></tr>
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<dl class="exception"><dt>Exceptions</dt><dd>
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<tr><td class="paramname">AsynCall</td><td></td></tr>
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<a id="affa1c0fff97f714eddf69ebdb17c6665"></a>
<h2 class="memtitle"><span class="permalink"><a href="#affa1c0fff97f714eddf69ebdb17c6665">◆ </a></span>command_inout() <span class="overload">[1/4]</span></h2>
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<td class="memname">virtual <a class="el" href="classTango_1_1DeviceData.html">DeviceData</a> Tango::Connection::command_inout </td>
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<td class="paramtype">const char * </td>
<td class="paramname"><em>cmd_name</em></td><td>)</td>
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<p>Execute a command (without input data) </p>
<p>Execute a command on a device which takes no input arguments (void). The result is returned in a <a class="el" href="classTango_1_1DeviceData.html" title="Fundamental type for sending and receiving data from device commands.">DeviceData</a> object</p>
<dl class="params"><dt>Parameters</dt><dd>
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<tr><td class="paramdir">[in]</td><td class="paramname">cmd_name</td><td>The command name </td></tr>
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</dd>
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<dl class="section return"><dt>Returns</dt><dd>The command result </dd></dl>
<dl class="exception"><dt>Exceptions</dt><dd>
<table class="exception">
<tr><td class="paramname">ConnectionFailed,CommunicationFailed,DeviceUnlocked,DevFailed</td><td>from device </td></tr>
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</dd>
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<a id="a484969b4553471d1f15d873cc638cc1d"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a484969b4553471d1f15d873cc638cc1d">◆ </a></span>command_inout() <span class="overload">[2/4]</span></h2>
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<td class="memname">virtual <a class="el" href="classTango_1_1DeviceData.html">DeviceData</a> Tango::Connection::command_inout </td>
<td>(</td>
<td class="paramtype">const char * </td>
<td class="paramname"><em>cmd_name</em>, </td>
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<td class="paramtype"><a class="el" href="classTango_1_1DeviceData.html">DeviceData</a> & </td>
<td class="paramname"><em>d_in</em> </td>
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<p>Execute a command (with input data) </p>
<p>Execute a command on a device. Input arguments are passed in a <a class="el" href="classTango_1_1DeviceData.html" title="Fundamental type for sending and receiving data from device commands.">DeviceData</a> object, output is returned as a <a class="el" href="classTango_1_1DeviceData.html" title="Fundamental type for sending and receiving data from device commands.">DeviceData</a> object.</p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramdir">[in]</td><td class="paramname">cmd_name</td><td>The command name </td></tr>
<tr><td class="paramdir">[in]</td><td class="paramname">d_in</td><td><a class="el" href="classTango_1_1Command.html" title="This class is a class representing a command in the TANGO device server pattern.">Command</a> input data </td></tr>
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</dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>The command result </dd></dl>
<dl class="exception"><dt>Exceptions</dt><dd>
<table class="exception">
<tr><td class="paramname">ConnectionFailed,CommunicationFailed,DeviceUnlocked,DevFailed</td><td>from device </td></tr>
</table>
</dd>
</dl>
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<a id="ad878054e953c5288ac0bc137c6307347"></a>
<h2 class="memtitle"><span class="permalink"><a href="#ad878054e953c5288ac0bc137c6307347">◆ </a></span>command_inout() <span class="overload">[3/4]</span></h2>
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<td class="memname">virtual <a class="el" href="classTango_1_1DeviceData.html">DeviceData</a> Tango::Connection::command_inout </td>
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<td class="paramtype">string & </td>
<td class="paramname"><em>cmd_name</em></td><td>)</td>
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<p>Execute a command (without input data) </p>
<p>Execute a command on a device which takes no input arguments (void). The result is returned in a <a class="el" href="classTango_1_1DeviceData.html" title="Fundamental type for sending and receiving data from device commands.">DeviceData</a> object</p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramdir">[in]</td><td class="paramname">cmd_name</td><td>The command name </td></tr>
</table>
</dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>The command result </dd></dl>
<dl class="exception"><dt>Exceptions</dt><dd>
<table class="exception">
<tr><td class="paramname">ConnectionFailed,CommunicationFailed,DeviceUnlocked,DevFailed</td><td>from device </td></tr>
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</dd>
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<h2 class="memtitle"><span class="permalink"><a href="#af5d9faa2fff08068c579202d29404df5">◆ </a></span>command_inout() <span class="overload">[4/4]</span></h2>
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<td class="memname">virtual <a class="el" href="classTango_1_1DeviceData.html">DeviceData</a> Tango::Connection::command_inout </td>
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<td class="paramtype">string & </td>
<td class="paramname"><em>cmd_name</em>, </td>
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<p>Execute a command (with input data) </p>
<p>Execute a command on a device. Input arguments are passed in a <a class="el" href="classTango_1_1DeviceData.html" title="Fundamental type for sending and receiving data from device commands.">DeviceData</a> object, output is returned as a <a class="el" href="classTango_1_1DeviceData.html" title="Fundamental type for sending and receiving data from device commands.">DeviceData</a> object.</p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramdir">[in]</td><td class="paramname">cmd_name</td><td>The command name </td></tr>
<tr><td class="paramdir">[in]</td><td class="paramname">d_in</td><td><a class="el" href="classTango_1_1Command.html" title="This class is a class representing a command in the TANGO device server pattern.">Command</a> input data </td></tr>
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</dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>The command result </dd></dl>
<dl class="exception"><dt>Exceptions</dt><dd>
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<tr><td class="paramname">ConnectionFailed,CommunicationFailed,DeviceUnlocked,DevFailed</td><td>from device </td></tr>
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</dd>
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<a id="a13709d9e18276ce038e358e9ef7e54e0"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a13709d9e18276ce038e358e9ef7e54e0">◆ </a></span>command_inout_asynch() <span class="overload">[1/8]</span></h2>
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<td class="memname">virtual long Tango::Connection::command_inout_asynch </td>
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<td class="paramtype">const char * </td>
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<td></td>
<td class="paramtype">bool </td>
<td class="paramname"><em>forget</em> = <code>false</code> </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
</tr>
</table>
</td>
<td class="mlabels-right">
<span class="mlabels"><span class="mlabel">virtual</span></span> </td>
</tr>
</table>
</div><div class="memdoc">
<p>Execute a command asynchronously. </p>
<p>Execute asynchronously (polling model) a command on a device which takes no input argument. The last argument is a fire and forget flag. If this flag is set to true, this means that the client does not care at all about the server answer and will even not try to get it. A false default value is provided. Please, note that device re-connection will not take place (in case it is needed) if the fire and forget mode is used. Therefore, an application using only fire and forget requests is not able to automatically re-connnect to device. This call returns an asynchronous call identifier which is needed to get the command result.</p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramdir">[in]</td><td class="paramname">cmd_name</td><td>The command name </td></tr>
<tr><td class="paramdir">[in]</td><td class="paramname">forget</td><td>Fire and forget flag </td></tr>
</table>
</dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>The call identifier </dd></dl>
<dl class="exception"><dt>Exceptions</dt><dd>
<table class="exception">
<tr><td class="paramname">ConnectionFailed</td><td></td></tr>
</table>
</dd>
</dl>
</div>
</div>
<a id="a1b7ee02774b5ce6263539bbc62c20966"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a1b7ee02774b5ce6263539bbc62c20966">◆ </a></span>command_inout_asynch() <span class="overload">[2/8]</span></h2>
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<td class="memname">virtual void Tango::Connection::command_inout_asynch </td>
<td>(</td>
<td class="paramtype">const char * </td>
<td class="paramname"><em>cmd_name</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="classTango_1_1CallBack.html">CallBack</a> & </td>
<td class="paramname"><em>cb</em> </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
</tr>
</table>
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<td class="mlabels-right">
<span class="mlabels"><span class="mlabel">virtual</span></span> </td>
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<p>Execute a command asynchronously with callback. </p>
<p>Execute asynchronously (callback model) a command on a device which takes no input argument. The last argument is a reference to a callback object. This callback object should be an instance of a user class inheriting from the <a class="el" href="classTango_1_1CallBack.html" title="Event and asynchronous (callback model) calls base class.">Tango::CallBack</a> class with the cmd_ended() method overloaded.</p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramdir">[in]</td><td class="paramname">cmd_name</td><td>The command name </td></tr>
<tr><td class="paramdir">[in]</td><td class="paramname">cb</td><td>The call-back object </td></tr>
</table>
</dd>
</dl>
<dl class="exception"><dt>Exceptions</dt><dd>
<table class="exception">
<tr><td class="paramname">ConnectionFailed</td><td></td></tr>
</table>
</dd>
</dl>
</div>
</div>
<a id="a253afbec47129a1f235e5642648fb9ae"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a253afbec47129a1f235e5642648fb9ae">◆ </a></span>command_inout_asynch() <span class="overload">[3/8]</span></h2>
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<td class="memname">virtual long Tango::Connection::command_inout_asynch </td>
<td>(</td>
<td class="paramtype">const char * </td>
<td class="paramname"><em>cmd_name</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="classTango_1_1DeviceData.html">DeviceData</a> & </td>
<td class="paramname"><em>argin</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">bool </td>
<td class="paramname"><em>forget</em> = <code>false</code> </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
</tr>
</table>
</td>
<td class="mlabels-right">
<span class="mlabels"><span class="mlabel">virtual</span></span> </td>
</tr>
</table>
</div><div class="memdoc">
<p>Execute a command asynchronously (with input argument) </p>
<p>Execute asynchronously (polling model) a command on a device. Input arguments are passed in a <a class="el" href="classTango_1_1DeviceData.html" title="Fundamental type for sending and receiving data from device commands.">DeviceData</a> object (see following chapters on how to insert data into <a class="el" href="classTango_1_1DeviceData.html" title="Fundamental type for sending and receiving data from device commands.">DeviceData</a> object). The last argument is a fire and forget flag. If this flag is set to true, this means that the client does not care at all about the server answer and will even not try to get it. A false default value is provided. Please, note that device re-connection will not take place (in case it is needed) if the fire and forget mode is used. Therefore, an application using only fire and forget requests is not able to automatically re-connnect to device. This call returns an asynchronous call identifier which is needed to get the command result.</p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramdir">[in]</td><td class="paramname">cmd_name</td><td>The command name </td></tr>
<tr><td class="paramdir">[in]</td><td class="paramname">argin</td><td><a class="el" href="classTango_1_1Command.html" title="This class is a class representing a command in the TANGO device server pattern.">Command</a> input data </td></tr>
<tr><td class="paramdir">[in]</td><td class="paramname">forget</td><td>Fire and forget flag </td></tr>
</table>
</dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>The call identifier </dd></dl>
<dl class="exception"><dt>Exceptions</dt><dd>
<table class="exception">
<tr><td class="paramname">ConnectionFailed</td><td></td></tr>
</table>
</dd>
</dl>
</div>
</div>
<a id="a0bb2ab58c99eb35b86f069a2a41c111c"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a0bb2ab58c99eb35b86f069a2a41c111c">◆ </a></span>command_inout_asynch() <span class="overload">[4/8]</span></h2>
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<td class="memname">virtual void Tango::Connection::command_inout_asynch </td>
<td>(</td>
<td class="paramtype">const char * </td>
<td class="paramname"><em>cmd_name</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="classTango_1_1DeviceData.html">DeviceData</a> & </td>
<td class="paramname"><em>argin</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="classTango_1_1CallBack.html">CallBack</a> & </td>
<td class="paramname"><em>cb</em> </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
</tr>
</table>
</td>
<td class="mlabels-right">
<span class="mlabels"><span class="mlabel">virtual</span></span> </td>
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</div><div class="memdoc">
<p>Execute a command asynchronously with input value and callback. </p>
<p>Execute asynchronously (callback model) a command on a device. Input arguments are passed in a <a class="el" href="classTango_1_1DeviceData.html" title="Fundamental type for sending and receiving data from device commands.">DeviceData</a> object (see following chapters on how to insert data into <a class="el" href="classTango_1_1DeviceData.html" title="Fundamental type for sending and receiving data from device commands.">DeviceData</a> object). The last argument is a reference to a callback object. This callback object should be an instance of a user class inheriting from the <a class="el" href="classTango_1_1CallBack.html" title="Event and asynchronous (callback model) calls base class.">Tango::CallBack</a> class with the cmd_ended() method overloaded.</p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramdir">[in]</td><td class="paramname">cmd_name</td><td>The command name </td></tr>
<tr><td class="paramdir">[in]</td><td class="paramname">argin</td><td>The command input data </td></tr>
<tr><td class="paramdir">[in]</td><td class="paramname">cb</td><td>The call-back object </td></tr>
</table>
</dd>
</dl>
<dl class="exception"><dt>Exceptions</dt><dd>
<table class="exception">
<tr><td class="paramname">ConnectionFailed</td><td></td></tr>
</table>
</dd>
</dl>
</div>
</div>
<a id="a3ac6eaa4960de354249d9d9fa6c09b32"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a3ac6eaa4960de354249d9d9fa6c09b32">◆ </a></span>command_inout_asynch() <span class="overload">[5/8]</span></h2>
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<td class="memname">virtual long Tango::Connection::command_inout_asynch </td>
<td>(</td>
<td class="paramtype">string & </td>
<td class="paramname"><em>cmd_name</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">bool </td>
<td class="paramname"><em>forget</em> = <code>false</code> </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
</tr>
</table>
</td>
<td class="mlabels-right">
<span class="mlabels"><span class="mlabel">virtual</span></span> </td>
</tr>
</table>
</div><div class="memdoc">
<p>Execute a command asynchronously. </p>
<p>Execute asynchronously (polling model) a command on a device which takes no input argument. The last argument is a fire and forget flag. If this flag is set to true, this means that the client does not care at all about the server answer and will even not try to get it. A false default value is provided. Please, note that device re-connection will not take place (in case it is needed) if the fire and forget mode is used. Therefore, an application using only fire and forget requests is not able to automatically re-connnect to device. This call returns an asynchronous call identifier which is needed to get the command result.</p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramdir">[in]</td><td class="paramname">cmd_name</td><td>The command name </td></tr>
<tr><td class="paramdir">[in]</td><td class="paramname">forget</td><td>Fire and forget flag </td></tr>
</table>
</dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>The call identifier </dd></dl>
<dl class="exception"><dt>Exceptions</dt><dd>
<table class="exception">
<tr><td class="paramname">ConnectionFailed</td><td></td></tr>
</table>
</dd>
</dl>
</div>
</div>
<a id="ab15806ba65762f244739c66e6a978fcc"></a>
<h2 class="memtitle"><span class="permalink"><a href="#ab15806ba65762f244739c66e6a978fcc">◆ </a></span>command_inout_asynch() <span class="overload">[6/8]</span></h2>
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<td class="memname">virtual void Tango::Connection::command_inout_asynch </td>
<td>(</td>
<td class="paramtype">string & </td>
<td class="paramname"><em>cmd_name</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="classTango_1_1CallBack.html">CallBack</a> & </td>
<td class="paramname"><em>cb</em> </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
</tr>
</table>
</td>
<td class="mlabels-right">
<span class="mlabels"><span class="mlabel">virtual</span></span> </td>
</tr>
</table>
</div><div class="memdoc">
<p>Execute a command asynchronously with callback. </p>
<p>Execute asynchronously (callback model) a command on a device which takes no input argument. The last argument is a reference to a callback object. This callback object should be an instance of a user class inheriting from the <a class="el" href="classTango_1_1CallBack.html" title="Event and asynchronous (callback model) calls base class.">Tango::CallBack</a> class with the cmd_ended() method overloaded.</p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramdir">[in]</td><td class="paramname">cmd_name</td><td>The command name </td></tr>
<tr><td class="paramdir">[in]</td><td class="paramname">cb</td><td>The call-back object </td></tr>
</table>
</dd>
</dl>
<dl class="exception"><dt>Exceptions</dt><dd>
<table class="exception">
<tr><td class="paramname">ConnectionFailed</td><td></td></tr>
</table>
</dd>
</dl>
</div>
</div>
<a id="a05d55e0b38d0af49f77cbf1ccb3fbe56"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a05d55e0b38d0af49f77cbf1ccb3fbe56">◆ </a></span>command_inout_asynch() <span class="overload">[7/8]</span></h2>
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<td class="memname">virtual long Tango::Connection::command_inout_asynch </td>
<td>(</td>
<td class="paramtype">string & </td>
<td class="paramname"><em>cmd_name</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="classTango_1_1DeviceData.html">DeviceData</a> & </td>
<td class="paramname"><em>argin</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">bool </td>
<td class="paramname"><em>forget</em> = <code>false</code> </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
</tr>
</table>
</td>
<td class="mlabels-right">
<span class="mlabels"><span class="mlabel">virtual</span></span> </td>
</tr>
</table>
</div><div class="memdoc">
<p>Execute a command asynchronously (with input argument) </p>
<p>Execute asynchronously (polling model) a command on a device. Input arguments are passed in a <a class="el" href="classTango_1_1DeviceData.html" title="Fundamental type for sending and receiving data from device commands.">DeviceData</a> object (see following chapters on how to insert data into <a class="el" href="classTango_1_1DeviceData.html" title="Fundamental type for sending and receiving data from device commands.">DeviceData</a> object). The last argument is a fire and forget flag. If this flag is set to true, this means that the client does not care at all about the server answer and will even not try to get it. A false default value is provided. Please, note that device re-connection will not take place (in case it is needed) if the fire and forget mode is used. Therefore, an application using only fire and forget requests is not able to automatically re-connnect to device. This call returns an asynchronous call identifier which is needed to get the command result.</p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramdir">[in]</td><td class="paramname">cmd_name</td><td>The command name </td></tr>
<tr><td class="paramdir">[in]</td><td class="paramname">argin</td><td><a class="el" href="classTango_1_1Command.html" title="This class is a class representing a command in the TANGO device server pattern.">Command</a> input data </td></tr>
<tr><td class="paramdir">[in]</td><td class="paramname">forget</td><td>Fire and forget flag </td></tr>
</table>
</dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>The call identifier </dd></dl>
<dl class="exception"><dt>Exceptions</dt><dd>
<table class="exception">
<tr><td class="paramname">ConnectionFailed</td><td></td></tr>
</table>
</dd>
</dl>
</div>
</div>
<a id="af29ba99c37cb252ab1d386d192f2721f"></a>
<h2 class="memtitle"><span class="permalink"><a href="#af29ba99c37cb252ab1d386d192f2721f">◆ </a></span>command_inout_asynch() <span class="overload">[8/8]</span></h2>
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<td class="memname">virtual void Tango::Connection::command_inout_asynch </td>
<td>(</td>
<td class="paramtype">string & </td>
<td class="paramname"><em>cmd_name</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="classTango_1_1DeviceData.html">DeviceData</a> & </td>
<td class="paramname"><em>argin</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="classTango_1_1CallBack.html">CallBack</a> & </td>
<td class="paramname"><em>cb</em> </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
</tr>
</table>
</td>
<td class="mlabels-right">
<span class="mlabels"><span class="mlabel">virtual</span></span> </td>
</tr>
</table>
</div><div class="memdoc">
<p>Execute a command asynchronously with input value and callback. </p>
<p>Execute asynchronously (callback model) a command on a device. Input arguments are passed in a <a class="el" href="classTango_1_1DeviceData.html" title="Fundamental type for sending and receiving data from device commands.">DeviceData</a> object (see following chapters on how to insert data into <a class="el" href="classTango_1_1DeviceData.html" title="Fundamental type for sending and receiving data from device commands.">DeviceData</a> object). The last argument is a reference to a callback object. This callback object should be an instance of a user class inheriting from the <a class="el" href="classTango_1_1CallBack.html" title="Event and asynchronous (callback model) calls base class.">Tango::CallBack</a> class with the cmd_ended() method overloaded.</p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramdir">[in]</td><td class="paramname">cmd_name</td><td>The command name </td></tr>
<tr><td class="paramdir">[in]</td><td class="paramname">argin</td><td>The command input data </td></tr>
<tr><td class="paramdir">[in]</td><td class="paramname">cb</td><td>The call-back object </td></tr>
</table>
</dd>
</dl>
<dl class="exception"><dt>Exceptions</dt><dd>
<table class="exception">
<tr><td class="paramname">ConnectionFailed</td><td></td></tr>
</table>
</dd>
</dl>
</div>
</div>
<a id="afae0ebefc88ab77671fc717f30b53c8f"></a>
<h2 class="memtitle"><span class="permalink"><a href="#afae0ebefc88ab77671fc717f30b53c8f">◆ </a></span>command_inout_reply() <span class="overload">[1/2]</span></h2>
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<td class="memname">virtual <a class="el" href="classTango_1_1DeviceData.html">DeviceData</a> Tango::Connection::command_inout_reply </td>
<td>(</td>
<td class="paramtype">long </td>
<td class="paramname"><em>id</em></td><td>)</td>
<td></td>
</tr>
</table>
</td>
<td class="mlabels-right">
<span class="mlabels"><span class="mlabel">virtual</span></span> </td>
</tr>
</table>
</div><div class="memdoc">
<p>Check an asynchronous command_inout answer is arrived. </p>
<p>Check if the answer of an asynchronous command_inout is arrived (polling model). id is the asynchronous call identifier. If the reply is arrived and if it is a valid reply, it is returned to the caller in a <a class="el" href="classTango_1_1DeviceData.html" title="Fundamental type for sending and receiving data from device commands.">DeviceData</a> object. If the reply is an exception, it is re-thrown by this call. An exception is also thrown in case of the reply is not yet arrived. Example : </p><div class="fragment"><div class="line"><a class="code" href="classTango_1_1DeviceProxy.html">Tango::DeviceProxy</a> dev(<span class="stringliteral">"..."</span>);</div><div class="line"><span class="keywordtype">long</span> asyn_id;</div><div class="line">asyn_id = dev.command_inout_asynch(<span class="stringliteral">"MyCmd"</span>);</div><div class="line">...</div><div class="line">...</div><div class="line">...</div><div class="line">Tango::DeviceData arg;</div><div class="line"><span class="keywordflow">try</span></div><div class="line">{</div><div class="line"> arg = dev.command_inout_reply(asyn_id);</div><div class="line">}</div><div class="line"><span class="keywordflow">catch</span>(Tango::AsynReplyNotArrived)</div><div class="line">{</div><div class="line"> cerr << <span class="stringliteral">"Command not arrived !"</span> << endl;</div><div class="line">}</div><div class="line"><span class="keywordflow">catch</span> (Tango::DevFailed &e)</div><div class="line">{</div><div class="line"> <a class="code" href="classTango_1_1Except.html#a649730652d055010916449aad7a9b5f3">Tango::Except::print_exception</a>(e);</div><div class="line">}</div></div><!-- fragment --><dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramdir">[in]</td><td class="paramname">id</td><td>The call identifier </td></tr>
</table>
</dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>The command result </dd></dl>
<dl class="exception"><dt>Exceptions</dt><dd>
<table class="exception">
<tr><td class="paramname">AsynCall,AsynReplyNotArrived,CommunicationFailed,DevFailed</td><td>from device </td></tr>
</table>
</dd>
</dl>
</div>
</div>
<a id="a02eedd172fbcb947d0a93f10d4f8def1"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a02eedd172fbcb947d0a93f10d4f8def1">◆ </a></span>command_inout_reply() <span class="overload">[2/2]</span></h2>
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<td class="memname">virtual <a class="el" href="classTango_1_1DeviceData.html">DeviceData</a> Tango::Connection::command_inout_reply </td>
<td>(</td>
<td class="paramtype">long </td>
<td class="paramname"><em>id</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">long </td>
<td class="paramname"><em>timeout</em> </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
</tr>
</table>
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<td class="mlabels-right">
<span class="mlabels"><span class="mlabel">virtual</span></span> </td>
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<p>Check an asynchronous command_inout answer is arrived with timeout. </p>
<p>Check if the answer of an asynchronous command_inout is arrived (polling model). id is the asynchronous call identifier. If the reply is arrived and if it is a valid reply, it is returned to the caller in a <a class="el" href="classTango_1_1DeviceData.html" title="Fundamental type for sending and receiving data from device commands.">DeviceData</a> object. If the reply is an exception, it is re-thrown by this call. If the reply is not yet arrived, the call will wait (blocking the process) for the time specified in timeout. If after timeout milliseconds, the reply is still not there, an exception is thrown. If timeout is set to 0, the call waits until the reply arrived.</p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramdir">[in]</td><td class="paramname">id</td><td>The call identifier 8</td></tr>
<tr><td class="paramdir">[in]</td><td class="paramname">timeout</td><td>The timeout value </td></tr>
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</dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>The command result </dd></dl>
<dl class="exception"><dt>Exceptions</dt><dd>
<table class="exception">
<tr><td class="paramname">AsynCall,AsynReplyNotArrived,CommunicationFailed,DevFailed</td><td>from device </td></tr>
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</dd>
</dl>
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