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| </head> |
| <body class="manpage"> |
| <div id="header"> |
| <h1>nn_survey(7) Manual Page</h1> |
| <h2>NAME</h2> |
| <div class="sectionbody"> |
| <p>nn_survey - survey scalability protocol</p> |
| </div> |
| </div> |
| <div id="content"> |
| <div class="sect1"> |
| <h2 id="_synopsis">SYNOPSIS</h2> |
| <div class="sectionbody"> |
| <div class="paragraph"> |
| <p><strong>#include <nanomsg/nn.h></strong></p> |
| </div> |
| <div class="paragraph"> |
| <p><strong>#include <nanomsg/survey.h></strong></p> |
| </div> |
| </div> |
| </div> |
| <div class="sect1"> |
| <h2 id="_description">DESCRIPTION</h2> |
| <div class="sectionbody"> |
| <div class="paragraph"> |
| <p>Allows to broadcast a survey to multiple locations and gather the responses.</p> |
| </div> |
| <div class="sect2"> |
| <h3 id="_socket_types">Socket Types</h3> |
| <div class="dlist"> |
| <dl> |
| <dt class="hdlist1">NN_SURVEYOR</dt> |
| <dd> |
| <p>Used to send the survey. The survey is delivered to all the connected |
| respondents. Once the query is sent, the socket can be used to receive |
| the responses. When the survey deadline expires, receive will return |
| ETIMEDOUT error.</p> |
| </dd> |
| <dt class="hdlist1">NN_RESPONDENT</dt> |
| <dd> |
| <p>Use to respond to the survey. Survey is received using receive function, |
| response is sent using send function. This socket can be connected to |
| at most one peer.</p> |
| </dd> |
| </dl> |
| </div> |
| </div> |
| <div class="sect2"> |
| <h3 id="_socket_options">Socket Options</h3> |
| <div class="dlist"> |
| <dl> |
| <dt class="hdlist1">NN_SURVEYOR_DEADLINE</dt> |
| <dd> |
| <p>Specifies how long to wait for responses to the survey. Once the deadline |
| expires, receive function will return ETIMEDOUT error and all subsequent |
| responses to the survey will be silently dropped. The deadline is measured |
| in milliseconds. Option type is int. Default value is 1000 (1 second).</p> |
| </dd> |
| </dl> |
| </div> |
| </div> |
| </div> |
| </div> |
| <div class="sect1"> |
| <h2 id="_see_also">SEE ALSO</h2> |
| <div class="sectionbody"> |
| <div class="paragraph"> |
| <p><a href="nn_bus.html">nn_bus(7)</a> |
| <a href="nn_pubsub.html">nn_pubsub(7)</a> |
| <a href="nn_reqrep.html">nn_reqrep(7)</a> |
| <a href="nn_pipeline.html">nn_pipeline(7)</a> |
| <a href="nn_pair.html">nn_pair(7)</a> |
| <a href="nanomsg.html">nanomsg(7)</a></p> |
| </div> |
| </div> |
| </div> |
| <div class="sect1"> |
| <h2 id="_authors">AUTHORS</h2> |
| <div class="sectionbody"> |
| <div class="paragraph"> |
| <p><a href="mailto:sustrik@250bpm.com">Martin Sustrik</a></p> |
| </div> |
| </div> |
| </div> |
| </div> |
| <div id="footer"> |
| <div id="footer-text"> |
| nanomsg 1.1.5<br> |
| Last updated 2018-12-04 04:48:58 UTC |
| </div> |
| </div> |
| </body> |
| </html> |
