diff options
29 files changed, 14082 insertions, 112 deletions
diff --git a/man/tip/index.html b/man/tip/index.html index 6734431d..995710ec 100644 --- a/man/tip/index.html +++ b/man/tip/index.html @@ -446,6 +446,7 @@ body.book #toc,body.book #preamble,body.book h1.sect0,body.book .sect1>h2{page-b <li><a href="#_section_3compat_compatible_library_functions">Section 3compat: Compatible Library Functions</a></li> <li><a href="#_section_3http_supplemental_http_functions">Section 3http: Supplemental HTTP Functions</a></li> <li><a href="#_section_3supp_supplemental_functions">Section 3supp: Supplemental Functions</a></li> +<li><a href="#_section_3tcp_supplemental_tcp_functions">Section 3tcp: Supplemental TCP Functions</a></li> <li><a href="#_section_3tls_supplemental_tls_functions">Section 3tls: Supplemental TLS Functions</a></li> <li><a href="#_section_5_macros_and_types">Section 5: Macros and Types</a></li> <li><a href="#_section_7_protocols_and_transports">Section 7: Protocols and Transports</a></li> @@ -1490,6 +1491,103 @@ mutual exclusion locks, threading, time keeping, and similar needs.</p> </div> </div> <div class="sect1"> +<h2 id="_section_3tcp_supplemental_tcp_functions">Section 3tcp: Supplemental TCP Functions</h2> +<div class="sectionbody"> +<div class="paragraph"> +<p>This section documents supplemental TCP functions that are available.</p> +</div> +<div class="paragraph"> +<p>These functions are made available to facilitate using raw TCP connections +with the NNG asynchronous I/O API. +Most applications should never need to use these functions.</p> +</div> +<table class="tableblock frame-all grid-all stretch"> +<colgroup> +<col style="width: 37.5%;"> +<col style="width: 62.5%;"> +</colgroup> +<tbody> +<tr> +<td class="tableblock halign-left valign-top"><p class="tableblock"><a href="nng_tcp_close.3tcp">nng_tcp_close(3tcp)</a></p></td> +<td class="tableblock halign-left valign-top"><p class="tableblock">close TCP connection</p></td> +</tr> +<tr> +<td class="tableblock halign-left valign-top"><p class="tableblock"><a href="nng_tcp_dialer_alloc.3tcp">nng_tcp_dialer_alloc(3tcp)</a></p></td> +<td class="tableblock halign-left valign-top"><p class="tableblock">allocate TCP dialer</p></td> +</tr> +<tr> +<td class="tableblock halign-left valign-top"><p class="tableblock"><a href="nng_tcp_dialer_close.3tcp">nng_tcp_dialer_close(3tcp)</a></p></td> +<td class="tableblock halign-left valign-top"><p class="tableblock">close TCP dialer</p></td> +</tr> +<tr> +<td class="tableblock halign-left valign-top"><p class="tableblock"><a href="nng_tcp_dialer_dial.3tcp">nng_tcp_dialer_dial(3tcp)</a></p></td> +<td class="tableblock halign-left valign-top"><p class="tableblock">initiate outgoing TCP connection</p></td> +</tr> +<tr> +<td class="tableblock halign-left valign-top"><p class="tableblock"><a href="nng_tcp_dialer_free.3tcp">nng_tcp_dialer_free(3tcp)</a></p></td> +<td class="tableblock halign-left valign-top"><p class="tableblock">free TCP dialer</p></td> +</tr> +<tr> +<td class="tableblock halign-left valign-top"><p class="tableblock"><a href="nng_tcp_dialer_getopt.3tcp">nng_tcp_dialer_getopt(3tcp)</a></p></td> +<td class="tableblock halign-left valign-top"><p class="tableblock">get option from TCP dialer</p></td> +</tr> +<tr> +<td class="tableblock halign-left valign-top"><p class="tableblock"><a href="nng_tcp_dialer_setopt.3tcp">nng_tcp_dialer_setopt(3tcp)</a></p></td> +<td class="tableblock halign-left valign-top"><p class="tableblock">set option on TCP dialer</p></td> +</tr> +<tr> +<td class="tableblock halign-left valign-top"><p class="tableblock"><a href="nng_tcp_free.3tcp">nng_tcp_free(3tcp)</a></p></td> +<td class="tableblock halign-left valign-top"><p class="tableblock">free TCP connection</p></td> +</tr> +<tr> +<td class="tableblock halign-left valign-top"><p class="tableblock"><a href="nng_tcp_getopt.3tcp">nng_tcp_getopt(3tcp)</a></p></td> +<td class="tableblock halign-left valign-top"><p class="tableblock">get option from TCP connection</p></td> +</tr> +<tr> +<td class="tableblock halign-left valign-top"><p class="tableblock"><a href="nng_tcp_listener_accept.3tcp">nng_tcp_listener_accept(3tcp)</a></p></td> +<td class="tableblock halign-left valign-top"><p class="tableblock">accept incoming TCP connection</p></td> +</tr> +<tr> +<td class="tableblock halign-left valign-top"><p class="tableblock"><a href="nng_tcp_listener_alloc.3tcp">nng_tcp_listener_alloc(3tcp)</a></p></td> +<td class="tableblock halign-left valign-top"><p class="tableblock">allocate TCP listener</p></td> +</tr> +<tr> +<td class="tableblock halign-left valign-top"><p class="tableblock"><a href="nng_tcp_listener_close.3tcp">nng_tcp_listener_close(3tcp)</a></p></td> +<td class="tableblock halign-left valign-top"><p class="tableblock">close TCP listener</p></td> +</tr> +<tr> +<td class="tableblock halign-left valign-top"><p class="tableblock"><a href="nng_tcp_listener_free.3tcp">nng_tcp_listener_free(3tcp)</a></p></td> +<td class="tableblock halign-left valign-top"><p class="tableblock">free TCP listener</p></td> +</tr> +<tr> +<td class="tableblock halign-left valign-top"><p class="tableblock"><a href="nng_tcp_listener_getopt.3tcp">nng_tcp_listener_getopt(3tcp)</a></p></td> +<td class="tableblock halign-left valign-top"><p class="tableblock">get option from TCP listener</p></td> +</tr> +<tr> +<td class="tableblock halign-left valign-top"><p class="tableblock"><a href="nng_tcp_listener_listen.3tcp">nng_tcp_listener_listen(3tcp)</a></p></td> +<td class="tableblock halign-left valign-top"><p class="tableblock">bind listener to TCP port</p></td> +</tr> +<tr> +<td class="tableblock halign-left valign-top"><p class="tableblock"><a href="nng_tcp_listener_setopt.3tcp">nng_tcp_listener_setopt(3tcp)</a></p></td> +<td class="tableblock halign-left valign-top"><p class="tableblock">set option on TCP listener</p></td> +</tr> +<tr> +<td class="tableblock halign-left valign-top"><p class="tableblock"><a href="nng_tcp_recv.3tcp">nng_tcp_recv(3tcp)</a></p></td> +<td class="tableblock halign-left valign-top"><p class="tableblock">receive from TCP connection</p></td> +</tr> +<tr> +<td class="tableblock halign-left valign-top"><p class="tableblock"><a href="nng_tcp_send.3tcp">nng_tcp_send(3tcp)</a></p></td> +<td class="tableblock halign-left valign-top"><p class="tableblock">send to TCP connection</p></td> +</tr> +<tr> +<td class="tableblock halign-left valign-top"><p class="tableblock"><a href="nng_tcp_setopt.3tcp">nng_tcp_setopt(3tcp)</a></p></td> +<td class="tableblock halign-left valign-top"><p class="tableblock">set option on TCP connection</p></td> +</tr> +</tbody> +</table> +</div> +</div> +<div class="sect1"> <h2 id="_section_3tls_supplemental_tls_functions">Section 3tls: Supplemental TLS Functions</h2> <div class="sectionbody"> <div class="paragraph"> @@ -1639,6 +1737,18 @@ applications need will use.</p> <td class="tableblock halign-left valign-top"><p class="tableblock"><a href="nng_stat.5">nng_stat(5)</a></p></td> <td class="tableblock halign-left valign-top"><p class="tableblock">statistic</p></td> </tr> +<tr> +<td class="tableblock halign-left valign-top"><p class="tableblock"><a href="nng_tcp.5">nng_tcp(5)</a></p></td> +<td class="tableblock halign-left valign-top"><p class="tableblock">TCP connection</p></td> +</tr> +<tr> +<td class="tableblock halign-left valign-top"><p class="tableblock"><a href="nng_tcp_dialer.5">nng_tcp_dialer(5)</a></p></td> +<td class="tableblock halign-left valign-top"><p class="tableblock">TCP dialer</p></td> +</tr> +<tr> +<td class="tableblock halign-left valign-top"><p class="tableblock"><a href="nng_tcp_listener.5">nng_tcp_listener(5)</a></p></td> +<td class="tableblock halign-left valign-top"><p class="tableblock">TCP listener</p></td> +</tr> </tbody> </table> </div> diff --git a/man/tip/libnng.3.html b/man/tip/libnng.3.html index 5db6dc73..2d374ca0 100644 --- a/man/tip/libnng.3.html +++ b/man/tip/libnng.3.html @@ -526,6 +526,7 @@ body.book #toc,body.book #preamble,body.book h1.sect0,body.book .sect1>h2{page-b <li><a href="#_statistics">Statistics</a></li> <li><a href="#_url_object">URL Object</a></li> <li><a href="#_supplemental_api">Supplemental API</a></li> +<li><a href="#_supplemental_tcp">Supplemental TCP</a></li> <li><a href="#_http_support">HTTP Support</a></li> <li><a href="#_tls_configuration_objects">TLS Configuration Objects</a></li> </ul> @@ -1317,6 +1318,97 @@ as a convenience to aid in creating portable applications.</p> </table> </div> <div class="sect2"> +<h3 id="_supplemental_tcp">Supplemental TCP</h3> +<div class="paragraph"> +<p>These TCP functions are available for use with direct TCP access. +Most applications won’t need to use these.</p> +</div> +<table class="tableblock frame-all grid-all stretch"> +<colgroup> +<col style="width: 50%;"> +<col style="width: 50%;"> +</colgroup> +<tbody> +<tr> +<td class="tableblock halign-left valign-top"><p class="tableblock"><a href="nng_tcp_close.3tcp">nng_tcp_close()</a></p></td> +<td class="tableblock halign-left valign-top"><p class="tableblock">close TCP connection</p></td> +</tr> +<tr> +<td class="tableblock halign-left valign-top"><p class="tableblock"><a href="nng_tcp_dialer_alloc.3tcp">nng_tcp_dialer_alloc()</a></p></td> +<td class="tableblock halign-left valign-top"><p class="tableblock">allocate TCP dialer</p></td> +</tr> +<tr> +<td class="tableblock halign-left valign-top"><p class="tableblock"><a href="nng_tcp_dialer_close.3tcp">nng_tcp_dialer_close()</a></p></td> +<td class="tableblock halign-left valign-top"><p class="tableblock">close TCP dialer</p></td> +</tr> +<tr> +<td class="tableblock halign-left valign-top"><p class="tableblock"><a href="nng_tcp_dialer_dial.3tcp">nng_tcp_dialer_dial()</a></p></td> +<td class="tableblock halign-left valign-top"><p class="tableblock">initiate outgoing TCP connection</p></td> +</tr> +<tr> +<td class="tableblock halign-left valign-top"><p class="tableblock"><a href="nng_tcp_dialer_free.3tcp">nng_tcp_dialer_free()</a></p></td> +<td class="tableblock halign-left valign-top"><p class="tableblock">free TCP dialer</p></td> +</tr> +<tr> +<td class="tableblock halign-left valign-top"><p class="tableblock"><a href="nng_tcp_dialer_getopt.3tcp">nng_tcp_dialer_getopt()</a></p></td> +<td class="tableblock halign-left valign-top"><p class="tableblock">get option from TCP dialer</p></td> +</tr> +<tr> +<td class="tableblock halign-left valign-top"><p class="tableblock"><a href="nng_tcp_dialer_setopt.3tcp">nng_tcp_dialer_setopt()</a></p></td> +<td class="tableblock halign-left valign-top"><p class="tableblock">set option on TCP dialer</p></td> +</tr> +<tr> +<td class="tableblock halign-left valign-top"><p class="tableblock"><a href="nng_tcp_free.3tcp">nng_tcp_free()</a></p></td> +<td class="tableblock halign-left valign-top"><p class="tableblock">free TCP connection</p></td> +</tr> +<tr> +<td class="tableblock halign-left valign-top"><p class="tableblock"><a href="nng_tcp_getopt.3tcp">nng_tcp_getopt()</a></p></td> +<td class="tableblock halign-left valign-top"><p class="tableblock">get option from TCP connection</p></td> +</tr> +<tr> +<td class="tableblock halign-left valign-top"><p class="tableblock"><a href="nng_tcp_listener_accept.3tcp">nng_tcp_listener_accept()</a></p></td> +<td class="tableblock halign-left valign-top"><p class="tableblock">accept incoming TCP connection</p></td> +</tr> +<tr> +<td class="tableblock halign-left valign-top"><p class="tableblock"><a href="nng_tcp_listener_alloc.3tcp">nng_tcp_listener_alloc()</a></p></td> +<td class="tableblock halign-left valign-top"><p class="tableblock">allocate TCP listener</p></td> +</tr> +<tr> +<td class="tableblock halign-left valign-top"><p class="tableblock"><a href="nng_tcp_listener_close.3tcp">nng_tcp_listener_close()</a></p></td> +<td class="tableblock halign-left valign-top"><p class="tableblock">close TCP listener</p></td> +</tr> +<tr> +<td class="tableblock halign-left valign-top"><p class="tableblock"><a href="nng_tcp_listener_free.3tcp">nng_tcp_listener_free()</a></p></td> +<td class="tableblock halign-left valign-top"><p class="tableblock">free TCP listener</p></td> +</tr> +<tr> +<td class="tableblock halign-left valign-top"><p class="tableblock"><a href="nng_tcp_listener_getopt.3tcp">nng_tcp_listener_getopt()</a></p></td> +<td class="tableblock halign-left valign-top"><p class="tableblock">get option from TCP listener</p></td> +</tr> +<tr> +<td class="tableblock halign-left valign-top"><p class="tableblock"><a href="nng_tcp_listener_listen.3tcp">nng_tcp_listener_listen()</a></p></td> +<td class="tableblock halign-left valign-top"><p class="tableblock">bind TCP listener to port</p></td> +</tr> +<tr> +<td class="tableblock halign-left valign-top"><p class="tableblock"><a href="nng_tcp_listener_setopt.3tcp">nng_tcp_listener_setopt()</a></p></td> +<td class="tableblock halign-left valign-top"><p class="tableblock">set option on TCP listener</p></td> +</tr> +<tr> +<td class="tableblock halign-left valign-top"><p class="tableblock"><a href="nng_tcp_recv.3tcp">nng_tcp_recv()</a></p></td> +<td class="tableblock halign-left valign-top"><p class="tableblock">receive from TCP connection</p></td> +</tr> +<tr> +<td class="tableblock halign-left valign-top"><p class="tableblock"><a href="nng_tcp_send.3tcp">nng_tcp_send()</a></p></td> +<td class="tableblock halign-left valign-top"><p class="tableblock">send to TCP connection</p></td> +</tr> +<tr> +<td class="tableblock halign-left valign-top"><p class="tableblock"><a href="nng_tcp_setopt.3tcp">nng_tcp_setopt()</a></p></td> +<td class="tableblock halign-left valign-top"><p class="tableblock">set option on TCP connection</p></td> +</tr> +</tbody> +</table> +</div> +<div class="sect2"> <h3 id="_http_support">HTTP Support</h3> <div class="paragraph"> <p>The library may be configured with support for HTTP, and this will diff --git a/man/tip/nng_http_client_connect.3http.html b/man/tip/nng_http_client_connect.3http.html index 337b0d61..7054f4e3 100644 --- a/man/tip/nng_http_client_connect.3http.html +++ b/man/tip/nng_http_client_connect.3http.html @@ -578,7 +578,7 @@ obtained by <code>NNG_EADDRINVAL</code> </td> <td class="hdlist2"> -<p>The server is configured with an invalid address.</p> +<p>The client is configured with an invalid address.</p> </td> </tr> <tr> diff --git a/man/tip/nng_listen.3.html b/man/tip/nng_listen.3.html index 2a99e3cf..af26efdc 100644 --- a/man/tip/nng_listen.3.html +++ b/man/tip/nng_listen.3.html @@ -554,6 +554,9 @@ An incoming connection generally results in and Unlike dialers, listeners generally can create many pipes, which may be open concurrently.</p> </div> +<div class="paragraph"> +<p>The <em>flags</em> argument is ignored, but reserved for future use.</p> +</div> <div class="admonitionblock tip"> <table> <tr> @@ -572,28 +575,6 @@ It may even have some of each at the same time! </table> </div> <div class="paragraph"> -<p>Normally, the act of “binding” to the address indicated by <em>url</em> is done -synchronously, including any necessary name resolution. -As a result, a failure, such as if the address is already in use, will be -returned immediately. -However, if the special value <code>NNG_FLAG_NONBLOCK</code> is supplied in <em>flags</em>, -then this is done asynchronously; furthermore any -failure to bind will be periodically reattempted in the background.</p> -</div> -<div class="admonitionblock tip"> -<table> -<tr> -<td class="icon"> -<i class="fa icon-tip" title="Tip"></i> -</td> -<td class="content"> -While <code>NNG_FLAG_NONBLOCK</code> can help an application be more resilient, -it also generally makes diagnosing failures somewhat more difficult. -</td> -</tr> -</table> -</div> -<div class="paragraph"> <p>Because the listener is started immediately, it is generally not possible to apply extra configuration; if that is needed applications should consider using <code><a href="nng_listener_create.3">nng_listener_create()</a></code> and diff --git a/man/tip/nng_listener_start.3.html b/man/tip/nng_listener_start.3.html index 63e02fd6..7934a2b0 100644 --- a/man/tip/nng_listener_start.3.html +++ b/man/tip/nng_listener_start.3.html @@ -551,27 +551,7 @@ Each new connection results in an <code><a href="nng_pipe.5">nng_pipe</a></code> which will be attached to the listener’s socket.</p> </div> <div class="paragraph"> -<p>Normally, the act of “binding” to its address is done -synchronously, including any necessary name resolution. -As a result, -a failure, such as if the address is already in use, will be returned -immediately. -However, if the special value <code>NNG_FLAG_NONBLOCK</code> is -supplied in <em>flags</em>, then this is done asynchronously; furthermore any -failure to bind will be periodically reattempted in the background.</p> -</div> -<div class="admonitionblock tip"> -<table> -<tr> -<td class="icon"> -<i class="fa icon-tip" title="Tip"></i> -</td> -<td class="content"> -While <code>NNG_FLAG_NONBLOCK</code> can help an application be more resilient, -it also generally makes diagnosing failures somewhat more difficult. -</td> -</tr> -</table> +<p>The <em>flags</em> argument is ignored, but reserved for future use.</p> </div> <div class="paragraph"> <p>Once a listener has started, it is generally not possible to change diff --git a/man/tip/nng_options.5.html b/man/tip/nng_options.5.html index 3a100634..6d9c46a2 100644 --- a/man/tip/nng_options.5.html +++ b/man/tip/nng_options.5.html @@ -567,25 +567,28 @@ body.book #toc,body.book #preamble,body.book h1.sect0,body.book .sect1>h2{page-b retrieved on objects in the <em>nng</em> library.</p> </div> <div class="paragraph"> -<p>Sockets (<code><a href="nng_socket.5">nng_socket</a></code> objects) use the functions -<code><a href="nng_getopt.3">nng_getopt()</a></code> -and <code><a href="nng_setopt.3">nng_setopt()</a></code> to set and retrieve option values.</p> +<p>Sockets (<a href="nng_socket.5"><code>nng_socket</code></a> objects) use the functions +<a href="nng_getopt.3"><code>nng_getopt()</code></a> +and <a href="nng_setopt.3"><code>nng_setopt()</code></a> to set and retrieve option values.</p> </div> <div class="paragraph"> -<p>Dialers (<code><a href="nng_dialer.5">nng_dialer</a></code> objects) use the functions -<code><a href="nng_dialer_getopt.3">nng_dialer_getopt()</a></code> and -<code><a href="nng_dialer_setopt.3">nng_dialer_setopt()</a></code> to set and retrieve option +<p>Dialers (<a href="nng_dialer.5"><code>nng_dialer</code></a> objects) use the functions +<a href="nng_dialer_getopt.3"><code>nng_dialer_getopt()</code></a> and +<a href="nng_dialer_setopt.3"><code>nng_dialer_setopt()</code></a> to set and retrieve option values.</p> </div> <div class="paragraph"> -<p>Listeners (<code><a href="nng_listener.5">nng_listener</a></code> objects) use the functions -<code><a href="nng_listener_getopt.3">nng_listener_getopt()</a></code> -and <code><a href="nng_listener_setopt.3">nng_listener_setopt()</a></code> to set and +<p>Listeners (<a href="nng_listener.5"><code>nng_listener</code></a> objects) use the functions +<a href="nng_listener_getopt.3"><code>nng_listener_getopt()</code></a> +and <a href="nng_listener_setopt.3"><code>nng_listener_setopt()</code></a> to set and retrieve option values.</p> </div> <div class="paragraph"> -<p>Pipes (<code><a href="nng_pipe.5">nng_pipe</a></code> objects) can only retrieve option values using -the <code><a href="nng_pipe_getopt.3">nng_pipe_getopt()</a></code> function.</p> +<p>Pipes (<a href="nng_pipe.5"><code>nng_pipe</code></a> objects) can only retrieve option values using +the <a href="nng_pipe_getopt.3"><code>nng_pipe_getopt()</code></a> function.</p> +</div> +<div class="paragraph"> +<p>Other object types may have additional methods to access these options.</p> </div> <div class="paragraph"> <p>In addition to the options listed here, transports and protocols will generally @@ -607,11 +610,28 @@ description of the option.</p> <dl> <dt class="hdlist1"><code>NNG_OPT_LOCADDR</code></dt> <dd> -<p>(<code><a href="nng_sockaddr.5">nng_sockaddr</a></code>) +<p>(<a href="nng_sockaddr.5"><code>nng_sockaddr</code></a>) This read-only option may be used on listeners, dialers and connected pipes, and -represents the local address used for communication. -Not all transports support this option, and some transports may support it -listeners but not dialers.</p> +represents the local address used for communication.</p> +<div class="admonitionblock note"> +<table> +<tr> +<td class="icon"> +<i class="fa icon-note" title="Note"></i> +</td> +<td class="content"> +Not all transports support this option, and some transports may support it on +listeners but not dialers. +</td> +</tr> +</table> +</div> +<div class="paragraph"> +<p>When used on a TCP dialer, this option is used to configure the source IP +address that will be used when initiating outgoing connections. +The specific port number will be ignored, however, and the system will +choose a random ephemeral port instead.</p> +</div> </dd> </dl> </div> @@ -624,13 +644,15 @@ listeners but not dialers.</p> (<code>bool</code>) This read-only option indicates whether the socket is in “raw” mode. If <code>true</code>, the socket is in “raw” mode, and if <code>false</code> the socket is -in “cooked” mode. -Raw mode sockets generally do not have any protocol-specific semantics applied +in “cooked” mode.</p> +<div class="paragraph"> +<p>Raw mode sockets generally do not have any protocol-specific semantics applied to them; instead the application is expected to perform such semantics itself. (For example, in “cooked” mode a <a href="nng_rep.7"><em>rep</em></a> socket would automatically copy message headers from a received message to the corresponding reply, whereas in “raw” mode this is not done.) See <a href="nng.7#raw_mode">Raw Mode</a> for more details.</p> +</div> </dd> </dl> </div> @@ -639,7 +661,7 @@ See <a href="nng.7#raw_mode">Raw Mode</a> for more details.</p> <dt class="hdlist1"><code>NNG_OPT_RECONNMINT</code></dt> <dd> <p> -(<code><a href="nng_duration.5">nng_duration</a></code>) +(<a href="nng_duration.5"><code>nng_duration</code></a>) This is the minimum amount of time (milliseconds) to wait before attempting to establish a connection after a previous attempt has failed. This can be set on a socket, but it can also be overridden on an individual @@ -654,7 +676,7 @@ The option is irrelevant for listeners.</p> <dd> <p> -(<code><a href="nng_duration.5">nng_duration</a></code>) +(<a href="nng_duration.5"><code>nng_duration</code></a>) This is the maximum amount of time (milliseconds) to wait before attempting to establish a connection after a previous attempt has failed. @@ -702,9 +724,6 @@ This descriptor will be <strong>readable</strong> when a message is available fo on the socket. When no message is ready for receiving, then this file descriptor will <strong>not</strong> be readable.</p> -</dd> -</dl> -</div> <div class="admonitionblock important"> <table> <tr> @@ -728,11 +747,14 @@ returned file descriptor. While this option may help applications integrate into existing polling loops, it is more efficient, and often easier, to use the asynchronous I/O objects instead. -See <code><a href="nng_aio_alloc.3">nng_aio_alloc()</a></code>. +See <a href="nng_aio_alloc.3"><code>nng_aio_alloc()</code></a>. </td> </tr> </table> </div> +</dd> +</dl> +</div> <div id="NNG_OPT_RECVMAXSZ" class="dlist"> <dl> <dt class="hdlist1"><code>NNG_OPT_RECVMAXSZ</code></dt> @@ -748,9 +770,6 @@ where a malicious agent can claim to want to send an extraordinarily large message, without sending any data. This option can be set for the socket, but may be overridden for on a per-dialer or per-listener basis.</p> -</dd> -</dl> -</div> <div class="admonitionblock note"> <table> <tr> @@ -758,18 +777,21 @@ per-dialer or per-listener basis.</p> <i class="fa icon-note" title="Note"></i> </td> <td class="content"> -Some transports may have further message size restrictions! +Some transports may have further message size restrictions. </td> </tr> </table> </div> +</dd> +</dl> +</div> <div id="NNG_OPT_RECVTIMEO" class="dlist"> <dl> <dt class="hdlist1"><code>NNG_OPT_RECVTIMEO</code></dt> <dd> <p> -(<code><a href="nng_duration.5">nng_duration</a></code>) +(<a href="nng_duration.5"><code>nng_duration</code></a>) This is the socket receive timeout in milliseconds. When no message is available for receiving at the socket for this period of time, receive operations will fail with a return value of <code>NNG_ETIMEDOUT</code>.</p> @@ -780,7 +802,7 @@ time, receive operations will fail with a return value of <code>NNG_ETIMEDOUT</c <dl> <dt class="hdlist1"><code>NNG_OPT_REMADDR</code></dt> <dd> -<p>(<code><a href="nng_sockaddr.5">nng_sockaddr</a></code>) +<p>(<a href="nng_sockaddr.5"><code>nng_sockaddr</code></a>) This read-only option may be used on dialers and connected pipes, and represents the address of a remote peer. Not all transports support this option.</p> @@ -798,9 +820,6 @@ This is the depth of the socket send buffer as a number of messages. Messages sent by an application may be buffered by the socket until a transport is ready to accept them for delivery. This value must be an integer between 0 and 8192, inclusive.</p> -</dd> -</dl> -</div> <div class="admonitionblock note"> <table> <tr> @@ -815,6 +834,9 @@ simply discard messages when they cannot be delivered immediately. </tr> </table> </div> +</dd> +</dl> +</div> <div id="NNG_OPT_SENDFD" class="dlist"> <dl> <dt class="hdlist1"><code>NNG_OPT_SENDFD</code></dt> @@ -829,13 +851,12 @@ for use with <a href="http://pubs.opengroup.org/onlinepubs/7908799/xsh/select.html"><code>select()</code></a>, (or on Windows systems <a href="https://msdn.microsoft.com/en-us/library/windows/desktop/ms741669(v=vs.85).aspx"><code>WSAPoll()</code></a>) -and similar functions. -This descriptor will be <strong>readable</strong> when the socket is able to accept a +and similar functions.</p> +<div class="paragraph"> +<p>This descriptor will be <strong>readable</strong> when the socket is able to accept a message for sending without blocking. When the socket is no longer able to accept such messages without blocking, the descriptor will <strong>not</strong> be readable.</p> -</dd> -</dl> </div> <div class="admonitionblock important"> <table> @@ -845,7 +866,7 @@ the descriptor will <strong>not</strong> be readable.</p> </td> <td class="content"> Applications should never attempt to read or write to the -returned file descriptor. +returned file descriptor; use should be limited to polling system calls only. </td> </tr> </table> @@ -860,18 +881,21 @@ returned file descriptor. While this option may help applications integrate into existing polling loops, it is more efficient, and often easier, to use the asynchronous I/O objects instead. -See <code><a href="nng_aio_alloc.3">nng_aio_alloc()</a></code>. +See <a href="nng_aio_alloc.3"><code>nng_aio_alloc()</code></a>. </td> </tr> </table> </div> +</dd> +</dl> +</div> <div id="NNG_OPT_SENDTIMEO" class="dlist"> <dl> <dt class="hdlist1"><code>NNG_OPT_SENDTIMEO</code></dt> <dd> <p> -(<code><a href="nng_duration.5">nng_duration</a></code>) +(<a href="nng_duration.5"><code>nng_duration</code></a>) This is the socket send timeout in milliseconds. When a message cannot be queued for delivery by the socket for this period of time (such as if send buffers are full), the operation will fail with a @@ -888,7 +912,9 @@ return value of <code>NNG_ETIMEDOUT</code>.</p> This the socket name. By default this is a string corresponding to the value of the socket. The string must fit within 64-bytes, including the terminating -<code>NUL</code> byte, but it can be changed for other application uses.</p> +<code>NUL</code> byte. +The value is intended for application use, and is not used for anything +in the library itself.</p> </dd> </dl> </div> @@ -898,13 +924,10 @@ The string must fit within 64-bytes, including the terminating <dd> <p>(<code>int</code>) -This is the maximum number of “hops” a message may traverse (see -<code><a href="nng_device.3">nng_device()</a></code>). +This is the maximum number of “hops” a message may traverse across +a <a href="nng_device.3"><code>nng_device()</code></a> forwarders. The intention here is to prevent forwarding loops in device chains. When this is supported, it can have a value between 1 and 255, inclusive.</p> -</dd> -</dl> -</div> <div class="admonitionblock note"> <table> <tr> @@ -933,6 +956,9 @@ this option. </tr> </table> </div> +</dd> +</dl> +</div> <div id="NNG_OPT_URL" class="dlist"> <dl> <dt class="hdlist1"><code>NNG_OPT_URL</code></dt> @@ -943,9 +969,6 @@ this option. This read-only option is used to obtain the URL with which a listener or dialer was configured. Accordingly it can only be used with dialers, listeners, and pipes.</p> -</dd> -</dl> -</div> <div class="admonitionblock note"> <table> <tr> @@ -959,6 +982,9 @@ application. </tr> </table> </div> +</dd> +</dl> +</div> <div id="NNG_OPT_PROTO" class="dlist"> <dl> <dt class="hdlist1"><code>NNG_OPT_PROTO</code></dt> @@ -1003,16 +1029,7 @@ the socket.</p> <dd> <p>(<code>bool</code>) This option is used to disable (or enable) the use of Nagle’s algorithm -for TCP connections. -When <code>true</code> (the default), messages are sent immediately by the underlying -TCP stream without waiting to gather more data. -When <code>false</code>, Nagle’s algorithm is enabled, and the TCP stream may -wait briefly in attempt to coalesce messages. -Nagle’s algorithm is useful on low-bandwidth connections to reduce overhead, -but it comes at a cost to latency.</p> -</dd> -</dl> -</div> +for TCP connections.</p> <div class="admonitionblock note"> <table> <tr> @@ -1026,6 +1043,23 @@ See the transport documentation for each transport for details. </tr> </table> </div> +<div class="paragraph"> +<p>When <code>true</code> (the default), messages are sent immediately by the underlying +TCP stream without waiting to gather more data.</p> +</div> +<div class="paragraph"> +<p>When <code>false</code>, Nagle’s algorithm is enabled, and the TCP stream may +wait briefly in attempt to coalesce messages. +Nagle’s algorithm is useful on low-bandwidth connections to reduce overhead, +but it comes at a cost to latency.</p> +</div> +<div class="paragraph"> +<p>When used on a dialer or a listener, the value affects how newly +created connections will be configured.</p> +</div> +</dd> +</dl> +</div> <div id="NNG_OPT_TCP_KEEPALIVE" class="dlist"> <dl> <dt class="hdlist1"><code>NNG_OPT_TCP_KEEPALIVE</code></dt> @@ -1033,15 +1067,7 @@ See the transport documentation for each transport for details. <p>(<code>bool</code>) This option is used to enable the sending of keep-alive messages on the underlying TCP stream. -This option is <code>false</code> by default. -When enabled, if no messages are seen for a period of time, then -a zero length TCP message is sent with the ACK flag set in an attempt -to tickle some traffic from the peer. -If none is still seen (after some platform-specific number of retries and -timeouts), then the remote peer is presumed dead, and the connection is closed.</p> -</dd> -</dl> -</div> +This option is <code>false</code> by default.</p> <div class="admonitionblock note"> <table> <tr> @@ -1055,6 +1081,17 @@ See the transport documentation for each transport for details. </tr> </table> </div> +<div class="paragraph"> +<p>When enabled, if no messages are seen for a period of time, then +a zero length TCP message is sent with the ACK flag set in an attempt +to tickle some traffic from the peer. +If none is still seen (after some platform-specific number of retries and +timeouts), then the remote peer is presumed dead, and the connection is closed.</p> +</div> +<div class="paragraph"> +<p>When used on a dialer or a listener, the value affects how newly +created connections will be configured.</p> +</div> <div class="admonitionblock tip"> <table> <tr> @@ -1070,6 +1107,9 @@ middleware from being expiring due to lack of activity. </tr> </table> </div> +</dd> +</dl> +</div> </div> </div> </div> diff --git a/man/tip/nng_stat_value.3.html b/man/tip/nng_stat_value.3.html index 6e4a8560..4e7beee6 100644 --- a/man/tip/nng_stat_value.3.html +++ b/man/tip/nng_stat_value.3.html @@ -547,7 +547,7 @@ body.book #toc,body.book #preamble,body.book h1.sect0,body.book .sect1>h2{page-b If the statistic has a boolean value, then zero is returned for <code>false</code>, and one is returned for <code>true</code>. Otherwise, if the string is not of numeric type, then zero is returned. -See <code><a href="nng_stat_type.3">nng_stat_type(3)</a></code> for a description of statistic types.</p> +See <code><a href="nng_stat_type.3">nng_stat_type()</a></code> for a description of statistic types.</p> </div> </div> </div> diff --git a/man/tip/nng_tcp.5.html b/man/tip/nng_tcp.5.html new file mode 100644 index 00000000..7b916dec --- /dev/null +++ b/man/tip/nng_tcp.5.html @@ -0,0 +1,656 @@ +--- +version: tip +layout: refman +--- +<!DOCTYPE html> +<html lang="en"> +<head> +<meta charset="UTF-8"> +<!--[if IE]><meta http-equiv="X-UA-Compatible" content="IE=edge"><![endif]--> +<meta name="viewport" content="width=device-width, initial-scale=1.0"> +<meta name="generator" content="Asciidoctor 1.5.8"> +<title>nng_tcp(5)</title> +<link rel="stylesheet" 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connection</p> +</div> +</div> +<div id="content"> +<div class="sect1"> +<h2 id="_synopsis">SYNOPSIS</h2> +<div class="sectionbody"> +<div class="listingblock"> +<div class="content"> +<pre class="pygments highlight"><code data-lang="c"><span></span><span class="tok-cp">#include</span> <span class="tok-cpf"><nng/nng.h></span><span class="tok-cp"></span> +<span class="tok-cp">#include</span> <span class="tok-cpf"><nng/supplemental/tcp/tcp.h></span><span class="tok-cp"></span> + +<span class="tok-k">typedef</span> <span class="tok-k">struct</span> <span class="tok-n">nng_tcp_s</span> <span class="tok-n">nng_tcp</span><span class="tok-p">;</span></code></pre> +</div> +</div> +</div> +</div> +<div class="sect1"> +<h2 id="_description">DESCRIPTION</h2> +<div class="sectionbody"> +<div class="paragraph"> +<p>An <code>nng_tcp</code> represents a connected stream. +TCP stream objects can be used to send or receive data.</p> +</div> +<div class="admonitionblock note"> +<table> +<tr> +<td class="icon"> +<i class="fa icon-note" title="Note"></i> +</td> +<td class="content"> +The <code>nng_tcp</code> object is used for raw TCP connections, and +should not be confused with a pipe object created using the +<a href="nng_tcp.7">nng_tcp(7)</a> transport. +</td> +</tr> +</table> +</div> +<div class="admonitionblock tip"> +<table> +<tr> +<td class="icon"> +<i class="fa icon-tip" title="Tip"></i> +</td> +<td class="content"> +Most NNG applications should not use this, but instead use the +<a href="nng_tcp.7">nng_tcp(7)</a> transport instead. +</td> +</tr> +</table> +</div> +<div class="paragraph"> +<p>These objects are created either establishing an outgoing connection +with <a href="nng_tcp_dialer_dial.3tcp"><code>nng_tcp_dialer_dial()</code></a> or by +accepting in incoming connection with +<a href="nng_tcp_listener_accept.3tcp"><code>nng_tcp_listener_accept()</code></a>.</p> +</div> +<div class="paragraph"> +<p>TCP connections are byte streams, and are “reliable” in that data +will not be delivered out of order, or with portions missing.</p> +</div> +<div class="paragraph"> +<p>Data can be sent using <a href="nng_tcp_send.3tcp"><code>nng_tcp_send()</code></a> or +received with <a href="nng_tcp_recv.3tcp"><code>nng_tcp_recv()</code></a>.</p> +</div> +<div class="paragraph"> +<p>When the connection is no longer needed, it should be freed with +<a href="nng_tcp_free.3tcp"><code>nng_tcp_free()</code></a>.</p> +</div> +<div class="admonitionblock tip"> +<table> +<tr> +<td class="icon"> +<i class="fa icon-tip" title="Tip"></i> +</td> +<td class="content"> +It is possible to close the connection, without freeing it, by +using <a href="nng_tcp_close.3tcp"><code>nng_tcp_close()</code></a>. +</td> +</tr> +</table> +</div> +<div class="sect2"> +<h3 id="_options">Options</h3> +<div class="paragraph"> +<p>The following options are applicable to TCP connections, and may be +accessed using the <a href="nng_tcp_getopt.3tcp"><code>nng_tcp_getopt()</code></a> and +<a href="nng_tcp_setopt.3tcp"><code>nng_tcp_setopt()</code></a> functions.</p> +</div> +<div class="ulist"> +<ul> +<li> +<p><a href="nng_options.5#NNG_OPT_LOCADDR"><code>NNG_OPT_LOCADDR</code></a></p> +</li> +<li> +<p><a href="nng_options.5#NNG_OPT_REMADDR"><code>NNG_OPT_REMADDR</code></a></p> +</li> +<li> +<p><a href="nng_options.5#NNG_OPT_TCP_KEEPALIVE"><code>NNG_OPT_TCP_KEEPALIVE</code></a></p> +</li> +<li> +<p><a href="nng_options.5#NNG_OPT_TCP_NO_DELAY"><code>NNG_OPT_TCP_NODELAY</code></a></p> +</li> +</ul> +</div> +<div class="paragraph"> +<p>Other platform specific options may be available as well.</p> +</div> +</div> +</div> +</div> +<div class="sect1"> +<h2 id="_see_also">SEE ALSO</h2> +<div class="sectionbody"> +<div class="paragraph text-left"> +<p><a href="libnng.3">libnng(3)</a>, +<a href="nng_tcp_close.3tcp">nng_tcp_close(3tcp)</a>, +<a href="nng_tcp_dialer_dial.3tcp">nng_tcp_dialer_dial(3tcp)</a>, +<a href="nng_tcp_free.3tcp">nng_tcp_free(3tcp)</a>, +<a href="nng_tcp_getopt.3tcp">nng_tcp_getopt(3tcp)</a>, +<a href="nng_tcp_listener_accept.3tcp">nng_tcp_listener_accept(3tcp)</a>, +<a href="nng_tcp_recv.3tcp">nng_tcp_recv(3tcp)</a>, +<a href="nng_tcp_send.3tcp">nng_tcp_send(3tcp)</a>, +<a href="nng_tcp_setopt.3tcp">nng_tcp_setopt(3tcp)</a>, +<a href="nng.7">nng(7)</a></p> +</div> +</div> +</div> +</div> +</body> +</html> diff --git a/man/tip/nng_tcp_close.3tcp.html b/man/tip/nng_tcp_close.3tcp.html new file mode 100644 index 00000000..b2879d14 --- /dev/null +++ b/man/tip/nng_tcp_close.3tcp.html @@ -0,0 +1,615 @@ +--- +version: tip +layout: refman +--- +<!DOCTYPE html> +<html lang="en"> +<head> +<meta charset="UTF-8"> +<!--[if IE]><meta http-equiv="X-UA-Compatible" content="IE=edge"><![endif]--> +<meta name="viewport" content="width=device-width, initial-scale=1.0"> +<meta name="generator" content="Asciidoctor 1.5.8"> +<title>nng_tcp_close(3tcp)</title> +<link rel="stylesheet" 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+<p>nng_tcp_close - close TCP connection</p> +</div> +</div> +<div id="content"> +<div class="sect1"> +<h2 id="_synopsis">SYNOPSIS</h2> +<div class="sectionbody"> +<div class="listingblock"> +<div class="content"> +<pre class="pygments highlight"><code data-lang="c"><span></span><span class="tok-cp">#include</span> <span class="tok-cpf"><nng/nng.h></span><span class="tok-cp"></span> +<span class="tok-cp">#include</span> <span class="tok-cpf"><nng/supplemental/tcp/tcp.h></span><span class="tok-cp"></span> + +<span class="tok-kt">void</span> <span class="tok-nf">nng_tcp_close</span><span class="tok-p">(</span><span class="tok-n">nng_tcp</span> <span class="tok-o">*</span><span class="tok-n">conn</span><span class="tok-p">);</span></code></pre> +</div> +</div> +</div> +</div> +<div class="sect1"> +<h2 id="_description">DESCRIPTION</h2> +<div class="sectionbody"> +<div class="paragraph"> +<p>The <code>nng_tcp_close()</code> function closes the supplied TCP connection, <em>conn</em>.</p> +</div> +<div class="paragraph"> +<p>If any operations are pending (such as <code><a href="nng_tcp_send.3tcp">nng_tcp_send()</a></code> +or <code><a href="nng_tcp_recv.3tcp">nng_tcp_recv()</a></code> they will be terminated with +an <code>NNG_ECLOSED</code> error condition. +Also, any new operations will fail with <code>NNG_ECLOSED</code> after the connection +is closed.</p> +</div> +<div class="admonitionblock note"> +<table> +<tr> +<td class="icon"> +<i class="fa icon-note" title="Note"></i> +</td> +<td class="content"> +Closing the connection while data is in transmission will likely +lead to loss of that data. +There is no automatic linger or flush to ensure that the socket send buffers +have completely transmitted. +</td> +</tr> +</table> +</div> +<div class="admonitionblock note"> +<table> +<tr> +<td class="icon"> +<i class="fa icon-note" title="Note"></i> +</td> +<td class="content"> +Closing the connection does not free the resources associated with it. +Once it is certain that no more operations are pending on the connection, +it should be freed with <code><a href="nng_tcp_free.3tcp">nng_tcp_free()</a></code>. +</td> +</tr> +</table> +</div> +</div> +</div> +<div class="sect1"> +<h2 id="_return_values">RETURN VALUES</h2> +<div class="sectionbody"> +<div class="paragraph"> +<p>None.</p> +</div> +</div> +</div> +<div class="sect1"> +<h2 id="_errors">ERRORS</h2> +<div class="sectionbody"> +<div class="paragraph"> +<p>None.</p> +</div> +</div> +</div> +<div class="sect1"> +<h2 id="_see_also">SEE ALSO</h2> +<div class="sectionbody"> +<div class="paragraph text-left"> +<p><a href="nng_strerror.3">nng_strerror(3)</a>, +<a href="nng_tcp_free.3tcp">nng_tcp_free(3tcp)</a>, +<a href="nng_tcp_recv.3tcp">nng_tcp_recv(3tcp)</a>, +<a href="nng_tcp_send.3tcp">nng_tcp_send(3tcp)</a>, +<a href="nng_tcp.5">nng_tcp(5)</a></p> +</div> +</div> +</div> +</div> +</body> +</html> diff --git a/man/tip/nng_tcp_dialer.5.html b/man/tip/nng_tcp_dialer.5.html new file mode 100644 index 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class="tok-cp">#include</span> <span class="tok-cpf"><nng/supplemental/tcp/tcp.h></span><span class="tok-cp"></span> + +<span class="tok-k">typedef</span> <span class="tok-k">struct</span> <span class="tok-n">nng_tcp_dialer_s</span> <span class="tok-n">nng_tcp_dialer</span><span class="tok-p">;</span></code></pre> +</div> +</div> +</div> +</div> +<div class="sect1"> +<h2 id="_description">DESCRIPTION</h2> +<div class="sectionbody"> +<div class="paragraph"> +<p> +An <code>nng_tcp_dialer</code> is a handle to a TCP “dialer”, which is responsible for +creating a connections (<code><a href="nng_tcp.5">nng_tcp</a></code> objects) by connecting to +remote systems.</p> +</div> +<div class="admonitionblock note"> +<table> +<tr> +<td class="icon"> +<i class="fa icon-note" title="Note"></i> +</td> +<td class="content"> +The <code>nng_tcp_dialer</code> object is used for raw TCP connections, and +should not be confused with a dialer object created using the +<a href="nng_tcp.7">nng_tcp(7)</a> transport. +</td> +</tr> +</table> +</div> +<div class="admonitionblock tip"> +<table> +<tr> +<td class="icon"> +<i class="fa icon-tip" title="Tip"></i> +</td> +<td class="content"> +Most NNG applications should not use this, but instead use the +<code><a href="nng_tcp.7">nng_tcp</a></code> transport instead. +</td> +</tr> +</table> +</div> +</div> +</div> +<div class="sect1"> +<h2 id="_see_also">SEE ALSO</h2> +<div class="sectionbody"> +<div class="paragraph text-left"> +<p><a href="nng_tcp_dialer_alloc.3tcp">nng_tcp_dialer_alloc(3tcp)</a>, +<a href="nng_tcp_dialer_close.3tcp">nng_tcp_dialer_close(3tcp)</a>, +<a href="nng_tcp_dialer_dial.3tcp">nng_tcp_dialer_dial(3tcp)</a>, +<a href="nng_tcp_dialer_free.3tcp">nng_tcp_dialer_free(3tcp)</a>, +<a href="nng_tcp.5">nng_tcp(5)</a>, +<a href="nng_tcp_listener.5">nng_tcp_listener(5)</a>, +<a href="nng_tcp.7">nng_tcp(7)</a></p> +</div> +</div> +</div> +</div> +</body> +</html> diff --git a/man/tip/nng_tcp_dialer_alloc.3tcp.html 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Name.Variable.Instance */ +.listingblock .pygments .tok-vm { color: #19177C } /* Name.Variable.Magic */ +.listingblock .pygments .tok-il { color: #666666 } /* Literal.Number.Integer.Long */ +</style> +</head> +<body class="manpage toc2 toc-left"> +<div id="header"> +<h1>nng_tcp_dialer_alloc(3tcp) Manual Page</h1> +<div id="toc" class="toc2"> +<div id="toctitle">Table of Contents</div> +<ul class="sectlevel1"> +<li><a href="#_synopsis">SYNOPSIS</a></li> +<li><a href="#_description">DESCRIPTION</a></li> +<li><a href="#_return_values">RETURN VALUES</a></li> +<li><a href="#_errors">ERRORS</a></li> +<li><a href="#_see_also">SEE ALSO</a></li> +</ul> +</div> +<h2 id="_name">NAME</h2> +<div class="sectionbody"> +<p>nng_tcp_dialer_alloc - allocate TCP dialer</p> +</div> +</div> +<div id="content"> +<div class="sect1"> +<h2 id="_synopsis">SYNOPSIS</h2> +<div class="sectionbody"> +<div class="listingblock"> +<div class="content"> +<pre class="pygments highlight"><code data-lang="c"><span></span><span class="tok-cp">#include</span> <span class="tok-cpf"><nng/nng.h></span><span class="tok-cp"></span> +<span class="tok-cp">#include</span> <span class="tok-cpf"><nng/supplemental/tcp/tcp.h></span><span class="tok-cp"></span> + +<span class="tok-kt">int</span> <span class="tok-nf">nng_tcp_dialer_alloc</span><span class="tok-p">(</span><span class="tok-n">nng_tcp_dialer</span> <span class="tok-o">*</span><span class="tok-n">dp</span><span class="tok-p">);</span></code></pre> +</div> +</div> +</div> +</div> +<div class="sect1"> +<h2 id="_description">DESCRIPTION</h2> +<div class="sectionbody"> +<div class="paragraph"> +<p>The <code>nng_tcp_dialer_alloc()</code> allocates a TCP dialer, which can be used +to create outgoing connections over TCP, and stores a pointer to it +it in the location referenced by <em>dp</em>.</p> +</div> +</div> +</div> +<div class="sect1"> +<h2 id="_return_values">RETURN VALUES</h2> +<div class="sectionbody"> +<div class="paragraph"> +<p>This function returns 0 on success, and non-zero otherwise.</p> +</div> +</div> +</div> +<div class="sect1"> +<h2 id="_errors">ERRORS</h2> +<div class="sectionbody"> +<div class="hdlist"> +<table> +<tr> +<td class="hdlist1"> +<code>NNG_ENOMEM</code> +</td> +<td class="hdlist2"> +<p>Insufficient free memory exists.</p> +</td> +</tr> +</table> +</div> +</div> +</div> +<div class="sect1"> +<h2 id="_see_also">SEE ALSO</h2> +<div class="sectionbody"> +<div class="paragraph text-left"> +<p><a href="nng_tcp_dialer_close.3tcp">nng_tcp_dialer_close(3tcp)</a>, +<a href="nng_tcp_dialer_dial.3tcp">nng_tcp_dialer_dial(3tcp)</a>, +<a href="nng_tcp_dialer_free.3tcp">nng_tcp_dialer_free(3tcp)</a>, +<a href="nng_tcp_dialer.5">nng_tcp_dialer(5)</a>, +<a href="nng_strerror.3">nng_strerror(3)</a></p> +</div> +</div> +</div> +</div> +</body> +</html> diff --git a/man/tip/nng_tcp_dialer_close.3tcp.html b/man/tip/nng_tcp_dialer_close.3tcp.html new file mode 100644 index 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data-lang="c"><span></span><span class="tok-cp">#include</span> <span class="tok-cpf"><nng/nng.h></span><span class="tok-cp"></span> +<span class="tok-cp">#include</span> <span class="tok-cpf"><nng/supplemental/tcp/tcp.h></span><span class="tok-cp"></span> + +<span class="tok-kt">void</span> <span class="tok-nf">nng_tcp_dialer_close</span><span class="tok-p">(</span><span class="tok-n">nng_tcp_dialer</span> <span class="tok-o">*</span><span class="tok-n">d</span><span class="tok-p">);</span></code></pre> +</div> +</div> +</div> +</div> +<div class="sect1"> +<h2 id="_description">DESCRIPTION</h2> +<div class="sectionbody"> +<div class="paragraph"> +<p>The <code>nng_tcp_dialer_close()</code> function closes the supplied TCP dialer <em>d</em>, +but does not free the underlying resources associated with it.</p> +</div> +<div class="paragraph"> +<p>If any dial operations +(see <code><a href="nng_tcp_dialer_dial.3tcp">nng_tcp_dialer_dial()</a></code>) using <em>d</em> are +in progress, they will be terminated with an <code>NNG_ECLOSED</code> error condition.</p> +</div> +<div class="paragraph"> +<p>Furthermore any future accesses to the dialer <em>d</em> will also result in +<code>NNG_ECLOSED</code>.</p> +</div> +<div class="admonitionblock note"> +<table> +<tr> +<td class="icon"> +<i class="fa icon-note" title="Note"></i> +</td> +<td class="content"> +This function does not release the memory for the dialer, so the +application should still free the memory using +<code><a href="nng_tcp_dialer_free.3tcp">nng_tcp_dialer_free(3tcp)</a></code> +once it is certain that nothing else is using it. +</td> +</tr> +</table> +</div> +</div> +</div> +<div class="sect1"> +<h2 id="_return_values">RETURN VALUES</h2> +<div class="sectionbody"> +<div class="paragraph"> +<p>None.</p> +</div> +</div> +</div> +<div class="sect1"> +<h2 id="_errors">ERRORS</h2> +<div class="sectionbody"> +<div class="paragraph"> +<p>None.</p> +</div> +</div> +</div> +<div class="sect1"> +<h2 id="_see_also">SEE ALSO</h2> +<div class="sectionbody"> +<div class="paragraph text-left"> +<p><a href="nng_strerror.3">nng_strerror(3)</a>, +<a href="nng_tcp_dialer_alloc.3tcp">nng_tcp_dialer_alloc(3tcp)</a>, +<a href="nng_tcp_dialer_dial.3tcp">nng_tcp_dialer_dial(3tcp)</a>, +<a href="nng_tcp_dialer_free.3tcp">nng_tcp_dialer_free(3tcp)</a>, +<a href="nng_tcp_dialer.5">nng_tcp_dialer(5)</a></p> +</div> +</div> +</div> +</div> +</body> +</html> diff --git a/man/tip/nng_tcp_dialer_dial.3tcp.html b/man/tip/nng_tcp_dialer_dial.3tcp.html new file mode 100644 index 00000000..662fbd94 --- /dev/null +++ b/man/tip/nng_tcp_dialer_dial.3tcp.html @@ -0,0 +1,642 @@ +--- +version: tip +layout: refman +--- +<!DOCTYPE html> +<html lang="en"> +<head> +<meta charset="UTF-8"> +<!--[if IE]><meta http-equiv="X-UA-Compatible" content="IE=edge"><![endif]--> +<meta name="viewport" content="width=device-width, initial-scale=1.0"> +<meta name="generator" content="Asciidoctor 1.5.8"> +<title>nng_tcp_dialer_dial(3tcp)</title> 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class="sectionbody"> +<p>nng_tcp_dialer_dial - initiate outgoing TCP connection</p> +</div> +</div> +<div id="content"> +<div class="sect1"> +<h2 id="_synopsis">SYNOPSIS</h2> +<div class="sectionbody"> +<div class="listingblock"> +<div class="content"> +<pre class="pygments highlight"><code data-lang="c"><span></span><span class="tok-cp">#include</span> <span class="tok-cpf"><nng/nng.h></span><span class="tok-cp"></span> +<span class="tok-cp">#include</span> <span class="tok-cpf"><nng/supplemental/tcp/tcp.h></span><span class="tok-cp"></span> + +<span class="tok-kt">void</span> <span class="tok-nf">nng_tcp_dialer_dial</span><span class="tok-p">(</span><span class="tok-n">nng_tcp_dialer</span> <span class="tok-o">*</span><span class="tok-n">d</span><span class="tok-p">,</span> <span class="tok-k">const</span> <span class="tok-n">nng_sockaddr</span> <span class="tok-o">*</span><span class="tok-n">sa</span><span class="tok-p">,</span> <span class="tok-n">nng_aio</span> <span class="tok-o">*</span><span class="tok-n">aio</span><span class="tok-p">);</span></code></pre> +</div> +</div> +</div> +</div> +<div class="sect1"> +<h2 id="_description">DESCRIPTION</h2> +<div class="sectionbody"> +<div class="paragraph"> +<p>The <code>nng_tcp_dialer_dial()</code> attempts to establish a TCP connection to the +remote peer identified by <em>sa</em>, using the dialer <em>d</em>. +The operation is completed asynchronously, using <em>aio</em>.</p> +</div> +<div class="paragraph"> +<p>The address <em>sa</em> must be in the <code>NNG_AF_INET</code> or <code>NNG_AF_INET6</code> families, +and have a valid IPv4 or IPv6 address and TCP port number.</p> +</div> +<div class="paragraph"> +<p>If a connection is successfully established, the <em>aio</em> will have the +resulting <code><a href="nng_tcp.5">nng_tcp</a></code> stored as its first output. +(See <code><a href="nng_aio_get_output.3">nng_aio_get_output()</a></code>.)</p> +</div> +</div> +</div> +<div class="sect1"> +<h2 id="_return_values">RETURN VALUES</h2> +<div class="sectionbody"> +<div class="paragraph"> +<p>None.</p> +</div> +</div> +</div> +<div class="sect1"> +<h2 id="_errors">ERRORS</h2> +<div class="sectionbody"> +<div class="hdlist"> +<table> +<tr> +<td class="hdlist1"> +<code>NNG_EADDRINVAL</code> +</td> +<td class="hdlist2"> +<p>The address specified is invalid.</p> +</td> +</tr> +<tr> +<td class="hdlist1"> +<code>NNG_ECANCELED</code> +</td> +<td class="hdlist2"> +<p>The operation was aborted.</p> +</td> +</tr> +<tr> +<td class="hdlist1"> +<code>NNG_ECLOSED</code> +</td> +<td class="hdlist2"> +<p>The dialer is closed.</p> +</td> +</tr> +<tr> +<td class="hdlist1"> +<code>NNG_ECONNREFUSED</code> +</td> +<td class="hdlist2"> +<p>The TCP connection was refused by the server.</p> +</td> +</tr> +<tr> +<td class="hdlist1"> +<code>NNG_ECONNRESET</code> +</td> +<td class="hdlist2"> +<p>The TCP connection was reset by the server.</p> +</td> +</tr> +<tr> +<td class="hdlist1"> +<code>NNG_ENOMEM</code> +</td> +<td class="hdlist2"> +<p>Insufficient free memory exists.</p> +</td> +</tr> +</table> +</div> +</div> +</div> +<div class="sect1"> +<h2 id="_see_also">SEE ALSO</h2> +<div class="sectionbody"> +<div class="paragraph text-left"> +<p><a href="nng_strerror.3">nng_strerror(3)</a>, +<a href="nng_tcp_dialer_alloc.3tcp">nng_tcp_dialer_alloc(3tcp)</a>, +<a href="nng_tcp_dialer_close.3tcp">nng_tcp_dialer_close(3tcp)</a>, +<a href="nng_tcp_dialer_free.3tcp">nng_tcp_dialer_free(3tcp)</a>, +<a href="nng_aio.5">nng_aio(5)</a>, +<a href="nng_sockaddr.5">nng_sockaddr(5)</a>, +<a href="nng_tcp.5">nng_tcp(5)</a>, +<a href="nng_tcp_dialer.5">nng_tcp_dialer(5)</a></p> +</div> +</div> +</div> +</div> +</body> +</html> diff --git a/man/tip/nng_tcp_dialer_free.3tcp.html b/man/tip/nng_tcp_dialer_free.3tcp.html new file mode 100644 index 00000000..9ef9b47e --- /dev/null +++ b/man/tip/nng_tcp_dialer_free.3tcp.html @@ -0,0 +1,598 @@ +--- +version: tip +layout: refman +--- 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class="sectionbody"> +<p>nng_tcp_dialer_free - free TCP dialer</p> +</div> +</div> +<div id="content"> +<div class="sect1"> +<h2 id="_synopsis">SYNOPSIS</h2> +<div class="sectionbody"> +<div class="listingblock"> +<div class="content"> +<pre class="pygments highlight"><code data-lang="c"><span></span><span class="tok-cp">#include</span> <span class="tok-cpf"><nng/nng.h></span><span class="tok-cp"></span> +<span class="tok-cp">#include</span> <span class="tok-cpf"><nng/supplemental/tcp/tcp.h></span><span class="tok-cp"></span> + +<span class="tok-kt">void</span> <span class="tok-nf">nng_tcp_dialer_free</span><span class="tok-p">(</span><span class="tok-n">nng_tcp_dialer</span> <span class="tok-o">*</span><span class="tok-n">d</span><span class="tok-p">);</span></code></pre> +</div> +</div> +</div> +</div> +<div class="sect1"> +<h2 id="_description">DESCRIPTION</h2> +<div class="sectionbody"> +<div class="paragraph"> +<p>The <code>nng_tcp_dialer_free()</code> function closes the supplied TCP dialer <em>d</em>, +and frees the underlying resources associated with it.</p> +</div> +<div class="paragraph"> +<p>If any dial operations +(see <code><a href="nng_tcp_dialer_dial.3tcp">nng_tcp_dialer_dial()</a></code>) using <em>d</em> are +in progress, they will be terminated with an <code>NNG_ECLOSED</code> error condition.</p> +</div> +<div class="admonitionblock warning"> +<table> +<tr> +<td class="icon"> +<i class="fa icon-warning" title="Warning"></i> +</td> +<td class="content"> +It is important that the application ensure that no further accesses +are made to <em>d</em>, as the memory backing it will be reclaimed for other uses. +</td> +</tr> +</table> +</div> +</div> +</div> +<div class="sect1"> +<h2 id="_return_values">RETURN VALUES</h2> +<div class="sectionbody"> +<div class="paragraph"> +<p>None.</p> +</div> +</div> +</div> +<div class="sect1"> +<h2 id="_errors">ERRORS</h2> +<div class="sectionbody"> +<div class="paragraph"> +<p>None.</p> +</div> +</div> +</div> +<div class="sect1"> +<h2 id="_see_also">SEE ALSO</h2> +<div class="sectionbody"> +<div class="paragraph text-left"> +<p><a href="nng_strerror.3">nng_strerror(3)</a>, +<a href="nng_tcp_dialer_alloc.3tcp">nng_tcp_dialer_alloc(3tcp)</a>, +<a href="nng_tcp_dialer_close.3tcp">nng_tcp_dialer_close(3tcp)</a>, +<a href="nng_tcp_dialer_dial.3tcp">nng_tcp_dialer_dial(3tcp)</a>, +<a href="nng_tcp_dialer.5">nng_tcp_dialer(5)</a></p> +</div> +</div> +</div> +</div> +</body> +</html> diff --git a/man/tip/nng_tcp_dialer_getopt.3tcp.html b/man/tip/nng_tcp_dialer_getopt.3tcp.html new file mode 100644 index 00000000..ae7d1b73 --- /dev/null +++ b/man/tip/nng_tcp_dialer_getopt.3tcp.html @@ -0,0 +1,644 @@ +--- +version: tip +layout: refman +--- +<!DOCTYPE html> +<html lang="en"> +<head> +<meta charset="UTF-8"> +<!--[if IE]><meta http-equiv="X-UA-Compatible" content="IE=edge"><![endif]--> +<meta name="viewport" content="width=device-width, initial-scale=1.0"> +<meta name="generator" content="Asciidoctor 1.5.8"> 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ALSO</a></li> +</ul> +</div> +<h2 id="_name">NAME</h2> +<div class="sectionbody"> +<p>nng_tcp_dialer_getopt - get option from TCP dialer</p> +</div> +</div> +<div id="content"> +<div class="sect1"> +<h2 id="_synopsis">SYNOPSIS</h2> +<div class="sectionbody"> +<div class="listingblock"> +<div class="content"> +<pre class="pygments highlight"><code data-lang="c"><span></span><span class="tok-cp">#include</span> <span class="tok-cpf"><nng/nng.h></span><span class="tok-cp"></span> +<span class="tok-cp">#include</span> <span class="tok-cpf"><nng/supplemental/tcp/tcp.h></span><span class="tok-cp"></span> + +<span class="tok-kt">int</span> <span class="tok-nf">nng_tcp_getopt</span><span class="tok-p">(</span><span class="tok-n">nng_tcp_dialer</span> <span class="tok-o">*</span><span class="tok-n">d</span><span class="tok-p">,</span> <span class="tok-k">const</span> <span class="tok-kt">char</span> <span class="tok-o">*</span><span class="tok-n">name</span><span class="tok-p">,</span> <span class="tok-kt">void</span> <span class="tok-o">*</span><span class="tok-n">data</span><span class="tok-p">,</span> <span class="tok-kt">size_t</span> <span class="tok-o">*</span><span class="tok-n">sizep</span><span class="tok-p">);</span></code></pre> +</div> +</div> +</div> +</div> +<div class="sect1"> +<h2 id="_description">DESCRIPTION</h2> +<div class="sectionbody"> +<div class="paragraph"> +<p>The <code>nng_tcp_dialer_getopt()</code> is used to retrieve the value of the option <em>name</em> for the <a href="nng_tcp_dialer.5">TCP dialer</a> <em>d</em>. +The size of the buffer located at <em>data</em> to receive the copy is passed by the +caller at the location referenced by <em>sizep</em>. +If this size is sufficient to hold the entire object, the object is copied into +the buffer specified by <em>data</em>. +In either event, the size of the source object (the amount of data copied, +or that would have been copied if sufficient space were available) is stored +at the location of <em>sizep</em>.</p> +</div> +<div class="sect2"> +<h3 id="_options">Options</h3> +<div class="paragraph"> +<p>The options specifically suppported for retrieval from TCP dialers are:</p> +</div> +<div class="ulist"> +<ul> +<li> +<p><a href="nng_options.5#NNG_OPT_LOCADDR"><code>NNG_OPT_LOCADDR</code></a></p> +</li> +<li> +<p><a href="nng_options.5#NNG_OPT_TCP_KEEPALIVE"><code>NNG_OPT_TCP_KEEPALIVE</code></a></p> +</li> +<li> +<p><a href="nng_options.5#NNG_OPT_TCP_NODELAY"><code>NNG_OPT_TCP_NODELAY</code></a></p> +</li> +</ul> +</div> +</div> +</div> +</div> +<div class="sect1"> +<h2 id="_return_values">RETURN VALUES</h2> +<div class="sectionbody"> +<div class="paragraph"> +<p>This function returns 0 on success, and non-zero otherwise.</p> +</div> +</div> +</div> +<div class="sect1"> +<h2 id="_errors">ERRORS</h2> +<div class="sectionbody"> +<div class="hdlist"> +<table> +<tr> +<td class="hdlist1"> +<code>NNG_ECLOSED</code> +</td> +<td class="hdlist2"> +<p>The dialer is closed.</p> +</td> +</tr> +<tr> +<td class="hdlist1"> +<code>NNG_EINVAL</code> +</td> +<td class="hdlist2"> +<p>There was insufficient space to receive the object. +The amount of data actually needed is returned in <em>sizep</em>.</p> +</td> +</tr> +<tr> +<td class="hdlist1"> +<code>NNG_ENOTSUP</code> +</td> +<td class="hdlist2"> +<p>The option <em>name</em> is not supported.</p> +</td> +</tr> +<tr> +<td class="hdlist1"> +<code>NNG_EWRITEONLY</code> +</td> +<td class="hdlist2"> +<p>The option <em>name</em> may not read.</p> +</td> +</tr> +</table> +</div> +</div> +</div> +<div class="sect1"> +<h2 id="_see_also">SEE ALSO</h2> +<div class="sectionbody"> +<div class="paragraph text-left"> +<p><a href="nng_tcp_dialer_setopt.3tcp">nng_tcp_dialer_setopt(3tcp)</a>, +<a href="nng_tcp_getopt.3tcp">nng_tcp_getopt(3tcp)</a>, +<a href="nng_options.5">nng_options(5)</a>, +<a href="nng_strerror.3">nng_strerror(3)</a>, +<a href="nng_tcp.5">nng_tcp(5)</a>, +<a href="nng_tcp_dialer.5">nng_tcp_dialer(5)</a></p> +</div> +</div> +</div> +</div> +</body> +</html> diff --git a/man/tip/nng_tcp_dialer_setopt.3tcp.html b/man/tip/nng_tcp_dialer_setopt.3tcp.html new file mode 100644 index 00000000..41a6cb82 --- /dev/null +++ b/man/tip/nng_tcp_dialer_setopt.3tcp.html @@ -0,0 +1,639 @@ +--- +version: tip +layout: refman +--- +<!DOCTYPE html> +<html lang="en"> +<head> +<meta charset="UTF-8"> +<!--[if IE]><meta http-equiv="X-UA-Compatible" content="IE=edge"><![endif]--> +<meta name="viewport" content="width=device-width, initial-scale=1.0"> +<meta name="generator" content="Asciidoctor 1.5.8"> +<title>nng_tcp_dialer_setopt(3tcp)</title> +<link rel="stylesheet" href="https://fonts.googleapis.com/css?family=Open+Sans:300,300italic,400,400italic,600,600italic%7CNoto+Serif:400,400italic,700,700italic%7CDroid+Sans+Mono:400,700"> +<style> +/* Asciidoctor default stylesheet | MIT License | http://asciidoctor.org */ +/* Uncomment @import statement below to use as custom stylesheet */ +/*@import 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class="content"> +<pre class="pygments highlight"><code data-lang="c"><span></span><span class="tok-cp">#include</span> <span class="tok-cpf"><nng/nng.h></span><span class="tok-cp"></span> +<span class="tok-cp">#include</span> <span class="tok-cpf"><nng/supplemental/tcp/tcp.h></span><span class="tok-cp"></span> + +<span class="tok-kt">int</span> <span class="tok-nf">nng_tcp_dialer_setopt</span><span class="tok-p">(</span><span class="tok-n">nng_tcp_dialer</span> <span class="tok-o">*</span><span class="tok-n">d</span><span class="tok-p">,</span> <span class="tok-k">const</span> <span class="tok-kt">char</span> <span class="tok-o">*</span><span class="tok-n">name</span><span class="tok-p">,</span> <span class="tok-k">const</span> <span class="tok-kt">void</span> <span class="tok-o">*</span><span class="tok-n">data</span><span class="tok-p">,</span> <span class="tok-kt">size_t</span> <span class="tok-n">size</span><span class="tok-p">);</span></code></pre> +</div> +</div> +</div> +</div> +<div class="sect1"> +<h2 id="_description">DESCRIPTION</h2> +<div class="sectionbody"> +<div class="paragraph"> +<p>The <code>nng_tcp_dialer_setopt()</code> is used to set the option <em>name</em> for the +<a href="nng_tcp_dialer.5">TCP dialer</a> <em>d</em>. +The value to set is copied from <em>data</em>, which should be <em>size</em> bytes +in length.</p> +</div> +<div class="sect2"> +<h3 id="_options">Options</h3> +<div class="paragraph"> +<p>The options specifically suppported for modification on TCP dialers are:</p> +</div> +<div class="ulist"> +<ul> +<li> +<p><a href="nng_options.5#NNG_OPT_TCP_LOCADDR"><code>NNG_OPT_LOCADDR</code></a></p> +</li> +<li> +<p><a href="nng_options.5#NNG_OPT_TCP_KEEPALIVE"><code>NNG_OPT_TCP_KEEPALIVE</code></a></p> +</li> +<li> +<p><a href="nng_options.5#NNG_OPT_TCP_NODELAY"><code>NNG_OPT_TCP_NODELAY</code></a></p> +</li> +</ul> +</div> +</div> +</div> +</div> +<div class="sect1"> +<h2 id="_return_values">RETURN VALUES</h2> +<div class="sectionbody"> +<div class="paragraph"> +<p>This function returns 0 on success, and non-zero otherwise.</p> +</div> +</div> +</div> +<div class="sect1"> +<h2 id="_errors">ERRORS</h2> +<div class="sectionbody"> +<div class="hdlist"> +<table> +<tr> +<td class="hdlist1"> +<code>NNG_ECLOSED</code> +</td> +<td class="hdlist2"> +<p>The dialer is closed.</p> +</td> +</tr> +<tr> +<td class="hdlist1"> +<code>NNG_EINVAL</code> +</td> +<td class="hdlist2"> +<p>Either <em>data</em> or <em>size</em> are invalid.</p> +</td> +</tr> +<tr> +<td class="hdlist1"> +<code>NNG_ENOTSUP</code> +</td> +<td class="hdlist2"> +<p>The option <em>name</em> is not supported.</p> +</td> +</tr> +<tr> +<td class="hdlist1"> +<code>NNG_EREADONLY</code> +</td> +<td class="hdlist2"> +<p>The option <em>name</em> may not be modified.</p> +</td> +</tr> +</table> +</div> +</div> +</div> +<div class="sect1"> +<h2 id="_see_also">SEE ALSO</h2> +<div class="sectionbody"> +<div class="paragraph text-left"> +<p><a href="nng_tcp_dialer_getopt.3tcp">nng_tcp_dialer_getopt(3tcp)</a>, +<a href="nng_tcp_setopt.3tcp">nng_tcp_setopt(3tcp)</a>, +<a href="nng_options.5">nng_options(5)</a>, +<a href="nng_strerror.3">nng_strerror(3)</a>, +<a href="nng_tcp.5">nng_tcp(5)</a>, +<a href="nng_tcp_dialer.5">nng_tcp_dialer(5)</a></p> +</div> +</div> +</div> +</div> +</body> +</html> diff --git a/man/tip/nng_tcp_free.3tcp.html b/man/tip/nng_tcp_free.3tcp.html new file mode 100644 index 00000000..a6699416 --- /dev/null +++ b/man/tip/nng_tcp_free.3tcp.html @@ -0,0 +1,613 @@ +--- +version: tip +layout: refman +--- +<!DOCTYPE html> +<html lang="en"> +<head> +<meta charset="UTF-8"> +<!--[if IE]><meta http-equiv="X-UA-Compatible" content="IE=edge"><![endif]--> +<meta name="viewport" content="width=device-width, initial-scale=1.0"> +<meta name="generator" content="Asciidoctor 1.5.8"> +<title>nng_tcp_free(3tcp)</title> +<link rel="stylesheet" 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+<p>nng_tcp_free - free TCP connection</p> +</div> +</div> +<div id="content"> +<div class="sect1"> +<h2 id="_synopsis">SYNOPSIS</h2> +<div class="sectionbody"> +<div class="listingblock"> +<div class="content"> +<pre class="pygments highlight"><code data-lang="c"><span></span><span class="tok-cp">#include</span> <span class="tok-cpf"><nng/nng.h></span><span class="tok-cp"></span> +<span class="tok-cp">#include</span> <span class="tok-cpf"><nng/supplemental/tcp/tcp.h></span><span class="tok-cp"></span> + +<span class="tok-kt">void</span> <span class="tok-nf">nng_tcp_free</span><span class="tok-p">(</span><span class="tok-n">nng_tcp</span> <span class="tok-o">*</span><span class="tok-n">conn</span><span class="tok-p">);</span></code></pre> +</div> +</div> +</div> +</div> +<div class="sect1"> +<h2 id="_description">DESCRIPTION</h2> +<div class="sectionbody"> +<div class="paragraph"> +<p>The <code>nng_tcp_free()</code> function closes the supplied TCP connection, <em>conn</em>, +and frees the underlying resources associated with it.</p> +</div> +<div class="paragraph"> +<p>If any operations are pending (such as <code><a href="nng_tcp_send.3tcp">nng_tcp_send()</a></code> +or <code><a href="nng_tcp_recv.3tcp">nng_tcp_recv()</a></code> they will be terminated with +an <code>NNG_ECLOSED</code> error condition.</p> +</div> +<div class="admonitionblock warning"> +<table> +<tr> +<td class="icon"> +<i class="fa icon-warning" title="Warning"></i> +</td> +<td class="content"> +It is important that the application ensure that no further accesses +are made to <em>conn</em>, as the memory backing it will be reclaimed for other uses. +</td> +</tr> +</table> +</div> +<div class="admonitionblock note"> +<table> +<tr> +<td class="icon"> +<i class="fa icon-note" title="Note"></i> +</td> +<td class="content"> +Closing the connection while data is in transmission will likely +lead to loss of that data. +There is no automatic linger or flush to ensure that the socket send buffers +have completely transmitted. +</td> +</tr> +</table> +</div> +</div> +</div> +<div class="sect1"> +<h2 id="_return_values">RETURN VALUES</h2> +<div class="sectionbody"> +<div class="paragraph"> +<p>None.</p> +</div> +</div> +</div> +<div class="sect1"> +<h2 id="_errors">ERRORS</h2> +<div class="sectionbody"> +<div class="paragraph"> +<p>None.</p> +</div> +</div> +</div> +<div class="sect1"> +<h2 id="_see_also">SEE ALSO</h2> +<div class="sectionbody"> +<div class="paragraph text-left"> +<p><a href="nng_strerror.3">nng_strerror(3)</a>, +<a href="nng_tcp_close.3tcp">nng_tcp_close(3tcp)</a>, +<a href="nng_tcp_recv.3tcp">nng_tcp_recv(3tcp)</a>, +<a href="nng_tcp_send.3tcp">nng_tcp_send(3tcp)</a>, +<a href="nng_tcp.5">nng_tcp(5)</a></p> +</div> +</div> +</div> +</div> +</body> +</html> diff --git a/man/tip/nng_tcp_getopt.3tcp.html b/man/tip/nng_tcp_getopt.3tcp.html new file mode 100644 index 00000000..18011ea6 --- /dev/null +++ b/man/tip/nng_tcp_getopt.3tcp.html @@ -0,0 +1,646 @@ +--- +version: 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ALSO</a></li> +</ul> +</div> +<h2 id="_name">NAME</h2> +<div class="sectionbody"> +<p>nng_tcp_getopt - get option from TCP connection</p> +</div> +</div> +<div id="content"> +<div class="sect1"> +<h2 id="_synopsis">SYNOPSIS</h2> +<div class="sectionbody"> +<div class="listingblock"> +<div class="content"> +<pre class="pygments highlight"><code data-lang="c"><span></span><span class="tok-cp">#include</span> <span class="tok-cpf"><nng/nng.h></span><span class="tok-cp"></span> +<span class="tok-cp">#include</span> <span class="tok-cpf"><nng/supplemental/tcp/tcp.h></span><span class="tok-cp"></span> + +<span class="tok-kt">int</span> <span class="tok-nf">nng_tcp_getopt</span><span class="tok-p">(</span><span class="tok-n">nng_tcp</span> <span class="tok-o">*</span><span class="tok-n">conn</span><span class="tok-p">,</span> <span class="tok-k">const</span> <span class="tok-kt">char</span> <span class="tok-o">*</span><span class="tok-n">name</span><span class="tok-p">,</span> <span class="tok-kt">void</span> <span class="tok-o">*</span><span class="tok-n">data</span><span class="tok-p">,</span> <span class="tok-kt">size_t</span> <span class="tok-o">*</span><span class="tok-n">sizep</span><span class="tok-p">);</span></code></pre> +</div> +</div> +</div> +</div> +<div class="sect1"> +<h2 id="_description">DESCRIPTION</h2> +<div class="sectionbody"> +<div class="paragraph"> +<p>The <code>nng_tcp_getopt()</code> is used to retrieve the value of the option <em>name</em> for +the <a href="nng_tcp.5">TCP connection</a> <em>conn</em>. +The size of the buffer located at <em>data</em> to receive the copy is passed by the +caller at the location referenced by <em>sizep</em>. +If this size is sufficient to hold the entire object, the object is copied into +the buffer specified by <em>data</em>. +In either event, the size of the source object (the amount of data copied, +or that would have been copied if sufficient space were available) is stored +at the location of <em>sizep</em>.</p> +</div> +<div class="sect2"> +<h3 id="_options">Options</h3> +<div class="paragraph"> +<p>The options specifically suppported for retrieval from TCP connections are:</p> +</div> +<div class="ulist"> +<ul> +<li> +<p><a href="nng_options.5#NNG_OPT_LOCADDR"><code>NNG_OPT_LOCADDR</code></a></p> +</li> +<li> +<p><a href="nng_options.5#NNG_OPT_REMADDR"><code>NNG_OPT_REMADDR</code></a></p> +</li> +<li> +<p><a href="nng_options.5#NNG_OPT_TCP_KEEPALIVE"><code>NNG_OPT_TCP_KEEPALIVE</code></a></p> +</li> +<li> +<p><a href="nng_options.5#NNG_OPT_TCP_NODELAY"><code>NNG_OPT_TCP_NODELAY</code></a></p> +</li> +</ul> +</div> +</div> +</div> +</div> +<div class="sect1"> +<h2 id="_return_values">RETURN VALUES</h2> +<div class="sectionbody"> +<div class="paragraph"> +<p>This function returns 0 on success, and non-zero otherwise.</p> +</div> +</div> +</div> +<div class="sect1"> +<h2 id="_errors">ERRORS</h2> +<div class="sectionbody"> +<div class="hdlist"> +<table> +<tr> +<td class="hdlist1"> +<code>NNG_ECLOSED</code> +</td> +<td class="hdlist2"> +<p>The connection <em>conn</em> is closed.</p> +</td> +</tr> +<tr> +<td class="hdlist1"> +<code>NNG_EINVAL</code> +</td> +<td class="hdlist2"> +<p>There was insufficient space to receive the object. +The amount of data actually needed is returned in <em>sizep</em>.</p> +</td> +</tr> +<tr> +<td class="hdlist1"> +<code>NNG_ENOTSUP</code> +</td> +<td class="hdlist2"> +<p>The option <em>name</em> is not supported.</p> +</td> +</tr> +<tr> +<td class="hdlist1"> +<code>NNG_EWRITEONLY</code> +</td> +<td class="hdlist2"> +<p>The option <em>name</em> may not read.</p> +</td> +</tr> +</table> +</div> +</div> +</div> +<div class="sect1"> +<h2 id="_see_also">SEE ALSO</h2> +<div class="sectionbody"> +<div class="paragraph text-left"> +<p><a href="nng_tcp_setopt.3tcp">nng_tcp_setopt(3tcp)</a>, +<a href="nng_options.5">nng_options(5)</a>, +<a href="nng_strerror.3">nng_strerror(3)</a>, +<a href="nng_tcp.5">nng_tcp(5)</a></p> +</div> +</div> +</div> +</div> +</body> +</html> diff --git a/man/tip/nng_tcp_listener.5.html b/man/tip/nng_tcp_listener.5.html new file mode 100644 index 00000000..ff4d3005 --- /dev/null +++ b/man/tip/nng_tcp_listener.5.html @@ -0,0 +1,594 @@ +--- +version: tip +layout: refman +--- +<!DOCTYPE html> +<html lang="en"> +<head> +<meta charset="UTF-8"> +<!--[if IE]><meta http-equiv="X-UA-Compatible" content="IE=edge"><![endif]--> +<meta name="viewport" content="width=device-width, initial-scale=1.0"> +<meta name="generator" content="Asciidoctor 1.5.8"> +<title>nng_tcp_listener(5)</title> +<link rel="stylesheet" href="https://fonts.googleapis.com/css?family=Open+Sans:300,300italic,400,400italic,600,600italic%7CNoto+Serif:400,400italic,700,700italic%7CDroid+Sans+Mono:400,700"> +<style> +/* Asciidoctor default stylesheet | MIT License | http://asciidoctor.org */ +/* Uncomment @import statement below to use as custom stylesheet */ +/*@import 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class="tok-cp">#include</span> <span class="tok-cpf"><nng/supplemental/tcp/tcp.h></span><span class="tok-cp"></span> + +<span class="tok-k">typedef</span> <span class="tok-k">struct</span> <span class="tok-n">nng_tcp_dialer_s</span> <span class="tok-n">nng_tcp_dialer</span><span class="tok-p">;</span></code></pre> +</div> +</div> +</div> +</div> +<div class="sect1"> +<h2 id="_description">DESCRIPTION</h2> +<div class="sectionbody"> +<div class="paragraph"> +<p> +An <code>nng_tcp_listener</code> is a handle to a TCP “listener”, which is responsible +for accepting connections (<code><a href="nng_tcp.5">nng_tcp</a></code> objects) from remote +systems.</p> +</div> +<div class="admonitionblock note"> +<table> +<tr> +<td class="icon"> +<i class="fa icon-note" title="Note"></i> +</td> +<td class="content"> +The <code>nng_tcp_listener</code> object is used for raw TCP connections, and +should not be confused with a listener object created using the +<a href="nng_tcp.7">nng_tcp(7)</a> transport. +</td> +</tr> +</table> +</div> +<div class="admonitionblock tip"> +<table> +<tr> +<td class="icon"> +<i class="fa icon-tip" title="Tip"></i> +</td> +<td class="content"> +Most NNG applications should not use this, but instead use the +<code><a href="nng_tcp.7">nng_tcp</a></code> transport instead. +</td> +</tr> +</table> +</div> +</div> +</div> +<div class="sect1"> +<h2 id="_see_also">SEE ALSO</h2> +<div class="sectionbody"> +<div class="paragraph text-left"> +<p><a href="nng_tcp_listener_accept.3tcp">nng_tcp_listener_accept(3tcp)</a>, +<a href="nng_tcp_listener_alloc.3tcp">nng_tcp_listener_alloc(3tcp)</a>, +<a href="nng_tcp_listener_close.3tcp">nng_tcp_listener_close(3tcp)</a>, +<a href="nng_tcp_listener_free.3tcp">nng_tcp_listener_free(3tcp)</a>, +<a href="nng_tcp_listener_listen.3tcp">nng_tcp_listener_listen(3tcp)</a>, +<a href="nng_tcp.5">nng_tcp(5)</a>, +<a href="nng_tcp_dialer.5">nng_tcp_dialer(5)</a>, +<a href="nng_tcp.7">nng_tcp(7)</a></p> +</div> +</div> +</div> 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data-lang="c"><span></span><span class="tok-cp">#include</span> <span class="tok-cpf"><nng/nng.h></span><span class="tok-cp"></span> +<span class="tok-cp">#include</span> <span class="tok-cpf"><nng/supplemental/tcp/tcp.h></span><span class="tok-cp"></span> + +<span class="tok-kt">void</span> <span class="tok-nf">nng_tcp_listener_accept</span><span class="tok-p">(</span><span class="tok-n">nng_tcp_listener</span> <span class="tok-o">*</span><span class="tok-n">l</span><span class="tok-p">,</span> <span class="tok-n">nng_aio</span> <span class="tok-o">*</span><span class="tok-n">aio</span><span class="tok-p">);</span></code></pre> +</div> +</div> +</div> +</div> +<div class="sect1"> +<h2 id="_description">DESCRIPTION</h2> +<div class="sectionbody"> +<div class="paragraph"> +<p>The <code>nng_tcp_listener_accept()</code> attempts to accept an incoming TCP connection +from a remote peer, using the listener <em>l</em>. +The operation is completed asynchronously, using <em>aio</em>.</p> +</div> +<div class="paragraph"> +<p>This operation can only be done after the listener is already bound to +a TCP port and is listening. +(See <code><a href="nng_tcp_listener_listen.3tcp">nng_tcp_listener_listen()</a></code>.)</p> +</div> +<div class="paragraph"> +<p>If a connection is successfully established, the <em>aio</em> will have the +resulting <code><a href="nng_tcp.5">nng_tcp</a></code> stored as its first output. +(See <code><a href="nng_aio_get_output.3">nng_aio_get_output()</a></code>.)</p> +</div> +<div class="paragraph"> +<p>The address of the remote peer can be determined using the +<a href="nng_options.5#NNG_OPT_REMADDR"><code>NNG_OPT_REMADDR</code></a> option with the +<a href="nng_tcp_getopt.3tcp"><code>nng_tcp_getopt()</code></a> function on the +returned <code><a href="nng_tcp.5">nng_tcp</a></code>.</p> +</div> +</div> +</div> +<div class="sect1"> +<h2 id="_return_values">RETURN VALUES</h2> +<div class="sectionbody"> +<div class="paragraph"> +<p>None.</p> +</div> +</div> +</div> +<div class="sect1"> +<h2 id="_errors">ERRORS</h2> +<div class="sectionbody"> +<div class="hdlist"> +<table> +<tr> +<td class="hdlist1"> +<code>NNG_ECANCELED</code> +</td> +<td class="hdlist2"> +<p>The operation was aborted.</p> +</td> +</tr> +<tr> +<td class="hdlist1"> +<code>NNG_ECLOSED</code> +</td> +<td class="hdlist2"> +<p>The dialer is closed.</p> +</td> +</tr> +<tr> +<td class="hdlist1"> +<code>NNG_ECONNRESET</code> +</td> +<td class="hdlist2"> +<p>The TCP connection was reset by the peer.</p> +</td> +</tr> +<tr> +<td class="hdlist1"> +<code>NNG_ENOMEM</code> +</td> +<td class="hdlist2"> +<p>Insufficient free memory exists.</p> +</td> +</tr> +<tr> +<td class="hdlist1"> +<code>NNG_ESTATE</code> +</td> +<td class="hdlist2"> +<p>The listener is not not listening.</p> +</td> +</tr> +</table> +</div> +</div> +</div> +<div class="sect1"> +<h2 id="_see_also">SEE ALSO</h2> +<div class="sectionbody"> +<div class="paragraph text-left"> +<p><a href="nng_strerror.3">nng_strerror(3)</a>, +<a href="nng_tcp_listener_alloc.3tcp">nng_tcp_listener_alloc(3tcp)</a>, +<a href="nng_tcp_listener_close.3tcp">nng_tcp_listener_close(3tcp)</a>, +<a href="nng_tcp_listener_free.3tcp">nng_tcp_listener_free(3tcp)</a>, +<a href="nng_tcp_listener_listen.3tcp">nng_tcp_listener_listen(3tcp)</a>, +<a href="nng_aio.5">nng_aio(5)</a>, +<a href="nng_tcp.5">nng_tcp(5)</a>, +<a href="nng_tcp_listener.5">nng_tcp_listener(5)</a></p> +</div> +</div> +</div> +</div> +</body> +</html> diff --git a/man/tip/nng_tcp_listener_alloc.3tcp.html b/man/tip/nng_tcp_listener_alloc.3tcp.html new file mode 100644 index 00000000..81349afd --- /dev/null +++ b/man/tip/nng_tcp_listener_alloc.3tcp.html @@ -0,0 +1,591 @@ +--- +version: tip +layout: refman +--- +<!DOCTYPE html> +<html lang="en"> +<head> +<meta charset="UTF-8"> +<!--[if IE]><meta http-equiv="X-UA-Compatible" content="IE=edge"><![endif]--> +<meta name="viewport" content="width=device-width, initial-scale=1.0"> 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class="sectionbody"> +<p>nng_tcp_listener_alloc - allocate TCP listener</p> +</div> +</div> +<div id="content"> +<div class="sect1"> +<h2 id="_synopsis">SYNOPSIS</h2> +<div class="sectionbody"> +<div class="listingblock"> +<div class="content"> +<pre class="pygments highlight"><code data-lang="c"><span></span><span class="tok-cp">#include</span> <span class="tok-cpf"><nng/nng.h></span><span class="tok-cp"></span> +<span class="tok-cp">#include</span> <span class="tok-cpf"><nng/supplemental/tcp/tcp.h></span><span class="tok-cp"></span> + +<span class="tok-kt">int</span> <span class="tok-nf">nng_tcp_listener_alloc</span><span class="tok-p">(</span><span class="tok-n">nng_tcp_listener</span> <span class="tok-o">*</span><span class="tok-n">lp</span><span class="tok-p">);</span></code></pre> +</div> +</div> +</div> +</div> +<div class="sect1"> +<h2 id="_description">DESCRIPTION</h2> +<div class="sectionbody"> +<div class="paragraph"> +<p>The <code>nng_tcp_listener_alloc()</code> allocates a TCP listener, which can be used +to accept incoming connections over TCP, and stores a pointer to it +it in the location referenced by <em>lp</em>.</p> +</div> +</div> +</div> +<div class="sect1"> +<h2 id="_return_values">RETURN VALUES</h2> +<div class="sectionbody"> +<div class="paragraph"> +<p>This function returns 0 on success, and non-zero otherwise.</p> +</div> +</div> +</div> +<div class="sect1"> +<h2 id="_errors">ERRORS</h2> +<div class="sectionbody"> +<div class="hdlist"> +<table> +<tr> +<td class="hdlist1"> +<code>NNG_ENOMEM</code> +</td> +<td class="hdlist2"> +<p>Insufficient free memory exists.</p> +</td> +</tr> +</table> +</div> +</div> +</div> +<div class="sect1"> +<h2 id="_see_also">SEE ALSO</h2> +<div class="sectionbody"> +<div class="paragraph text-left"> +<p><a href="nng_tcp_listener_accept.3tcp">nng_tcp_listener_accept(3tcp)</a>, +<a href="nng_tcp_listener_close.3tcp">nng_tcp_listener_close(3tcp)</a>, +<a href="nng_tcp_listener_free.3tcp">nng_tcp_listener_free(3tcp)</a>, +<a href="nng_tcp_listener_listen.3tcp">nng_tcp_listener_listen(3tcp)</a>, +<a href="nng_tcp_listener.5">nng_tcp_listener(5)</a>, +<a href="nng_strerror.3">nng_strerror(3)</a></p> +</div> +</div> +</div> +</div> +</body> +</html> diff --git a/man/tip/nng_tcp_listener_close.3tcp.html b/man/tip/nng_tcp_listener_close.3tcp.html new file mode 100644 index 00000000..7ea7e663 --- /dev/null +++ b/man/tip/nng_tcp_listener_close.3tcp.html @@ -0,0 +1,604 @@ +--- +version: tip +layout: refman +--- +<!DOCTYPE html> +<html lang="en"> +<head> +<meta charset="UTF-8"> +<!--[if IE]><meta http-equiv="X-UA-Compatible" content="IE=edge"><![endif]--> +<meta name="viewport" content="width=device-width, initial-scale=1.0"> +<meta name="generator" content="Asciidoctor 1.5.8"> +<title>nng_tcp_listener_close(3tcp)</title> +<link rel="stylesheet" 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class="sectionbody"> +<p>nng_tcp_listener_close - close TCP listener</p> +</div> +</div> +<div id="content"> +<div class="sect1"> +<h2 id="_synopsis">SYNOPSIS</h2> +<div class="sectionbody"> +<div class="listingblock"> +<div class="content"> +<pre class="pygments highlight"><code data-lang="c"><span></span><span class="tok-cp">#include</span> <span class="tok-cpf"><nng/nng.h></span><span class="tok-cp"></span> +<span class="tok-cp">#include</span> <span class="tok-cpf"><nng/supplemental/tcp/tcp.h></span><span class="tok-cp"></span> + +<span class="tok-kt">void</span> <span class="tok-nf">nng_tcp_listener_close</span><span class="tok-p">(</span><span class="tok-n">nng_tcp_listener</span> <span class="tok-o">*</span><span class="tok-n">l</span><span class="tok-p">);</span></code></pre> +</div> +</div> +</div> +</div> +<div class="sect1"> +<h2 id="_description">DESCRIPTION</h2> +<div class="sectionbody"> +<div class="paragraph"> +<p>The <code>nng_tcp_listener_close()</code> function closes the supplied TCP listener <em>l</em>, +but does not free the underlying resources associated with it.</p> +</div> +<div class="paragraph"> +<p>If any acceppt operations +(see <code><a href="nng_tcp_listener_accept.3tcp">nng_tcp_listener_accept()</a></code>) using <em>l</em> +are in progress, they will be terminated with an <code>NNG_ECLOSED</code> error condition.</p> +</div> +<div class="paragraph"> +<p>Furthermore any future accesses to the listener <em>l</em> will also result in +<code>NNG_ECLOSED</code>.</p> +</div> +<div class="admonitionblock note"> +<table> +<tr> +<td class="icon"> +<i class="fa icon-note" title="Note"></i> +</td> +<td class="content"> +This function does not release the memory for the listener, so the +application should still free the memory using +<code><a href="nng_tcp_listener_free.3tcp">nng_tcp_listener_free(3tcp)</a></code> +once it is certain that nothing else is using it. +</td> +</tr> +</table> +</div> +</div> +</div> +<div class="sect1"> +<h2 id="_return_values">RETURN VALUES</h2> +<div class="sectionbody"> +<div class="paragraph"> +<p>None.</p> +</div> +</div> +</div> +<div class="sect1"> +<h2 id="_errors">ERRORS</h2> +<div class="sectionbody"> +<div class="paragraph"> +<p>None.</p> +</div> +</div> +</div> +<div class="sect1"> +<h2 id="_see_also">SEE ALSO</h2> +<div class="sectionbody"> +<div class="paragraph text-left"> +<p><a href="nng_strerror.3">nng_strerror(3)</a>, +<a href="nng_tcp_listener_alloc.3tcp">nng_tcp_listener_alloc(3tcp)</a>, +<a href="nng_tcp_listener_accept.3tcp">nng_tcp_listener_accept(3tcp)</a>, +<a href="nng_tcp_listener_free.3tcp">nng_tcp_listener_free(3tcp)</a>, +<a href="nng_tcp_listener.5">nng_tcp_listener(5)</a></p> +</div> +</div> +</div> +</div> +</body> +</html> diff --git a/man/tip/nng_tcp_listener_free.3tcp.html b/man/tip/nng_tcp_listener_free.3tcp.html new file mode 100644 index 00000000..bb769cda --- /dev/null +++ b/man/tip/nng_tcp_listener_free.3tcp.html @@ -0,0 +1,597 @@ +--- +version: 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class="sectionbody"> +<p>nng_tcp_listener_free - free TCP listener</p> +</div> +</div> +<div id="content"> +<div class="sect1"> +<h2 id="_synopsis">SYNOPSIS</h2> +<div class="sectionbody"> +<div class="listingblock"> +<div class="content"> +<pre class="pygments highlight"><code data-lang="c"><span></span><span class="tok-cp">#include</span> <span class="tok-cpf"><nng/nng.h></span><span class="tok-cp"></span> +<span class="tok-cp">#include</span> <span class="tok-cpf"><nng/supplemental/tcp/tcp.h></span><span class="tok-cp"></span> + +<span class="tok-kt">void</span> <span class="tok-nf">nng_tcp_listener_free</span><span class="tok-p">(</span><span class="tok-n">nng_tcp_listener</span> <span class="tok-o">*</span><span class="tok-n">l</span><span class="tok-p">);</span></code></pre> +</div> +</div> +</div> +</div> +<div class="sect1"> +<h2 id="_description">DESCRIPTION</h2> +<div class="sectionbody"> +<div class="paragraph"> +<p>The <code>nng_tcp_listener_free()</code> function closes the supplied TCP listener <em>l</em>, +and frees the underlying resources associated with it.</p> +</div> +<div class="paragraph"> +<p>If any accept operations +(see <code><a href="nng_tcp_listener_accept.3tcp">nng_tcp_listener_accept()</a></code>) using <em>l</em> +are in progress, they will be terminated with an <code>NNG_ECLOSED</code> error condition.</p> +</div> +<div class="admonitionblock warning"> +<table> +<tr> +<td class="icon"> +<i class="fa icon-warning" title="Warning"></i> +</td> +<td class="content"> +It is important that the application ensure that no further accesses +are made to <em>l</em>, as the memory backing it will be reclaimed for other uses. +</td> +</tr> +</table> +</div> +</div> +</div> +<div class="sect1"> +<h2 id="_return_values">RETURN VALUES</h2> +<div class="sectionbody"> +<div class="paragraph"> +<p>None.</p> +</div> +</div> +</div> +<div class="sect1"> +<h2 id="_errors">ERRORS</h2> +<div class="sectionbody"> +<div class="paragraph"> +<p>None.</p> +</div> +</div> +</div> +<div class="sect1"> +<h2 id="_see_also">SEE ALSO</h2> +<div class="sectionbody"> +<div class="paragraph text-left"> +<p><a href="nng_strerror.3">nng_strerror(3)</a>, +<a href="nng_tcp_listener_alloc.3tcp">nng_tcp_listener_alloc(3tcp)</a>, +<a href="nng_tcp_listener_close.3tcp">nng_tcp_listener_close(3tcp)</a>, +<a href="nng_tcp_listener.5">nng_tcp_listener(5)</a></p> +</div> +</div> +</div> +</div> +</body> +</html> diff --git a/man/tip/nng_tcp_listener_getopt.3tcp.html b/man/tip/nng_tcp_listener_getopt.3tcp.html new file mode 100644 index 00000000..77a0c812 --- /dev/null +++ b/man/tip/nng_tcp_listener_getopt.3tcp.html @@ -0,0 +1,644 @@ +--- +version: tip +layout: refman +--- +<!DOCTYPE html> +<html lang="en"> +<head> +<meta charset="UTF-8"> +<!--[if IE]><meta http-equiv="X-UA-Compatible" content="IE=edge"><![endif]--> +<meta name="viewport" content="width=device-width, initial-scale=1.0"> +<meta name="generator" content="Asciidoctor 1.5.8"> 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ALSO</a></li> +</ul> +</div> +<h2 id="_name">NAME</h2> +<div class="sectionbody"> +<p>nng_tcp_listener_getopt - get option from TCP listener</p> +</div> +</div> +<div id="content"> +<div class="sect1"> +<h2 id="_synopsis">SYNOPSIS</h2> +<div class="sectionbody"> +<div class="listingblock"> +<div class="content"> +<pre class="pygments highlight"><code data-lang="c"><span></span><span class="tok-cp">#include</span> <span class="tok-cpf"><nng/nng.h></span><span class="tok-cp"></span> +<span class="tok-cp">#include</span> <span class="tok-cpf"><nng/supplemental/tcp/tcp.h></span><span class="tok-cp"></span> + +<span class="tok-kt">int</span> <span class="tok-nf">nng_tcp_listener_getopt</span><span class="tok-p">(</span><span class="tok-n">nng_tcp_listener</span> <span class="tok-o">*</span><span class="tok-n">l</span><span class="tok-p">,</span> <span class="tok-k">const</span> <span class="tok-kt">char</span> <span class="tok-o">*</span><span class="tok-n">name</span><span class="tok-p">,</span> <span class="tok-kt">void</span> <span class="tok-o">*</span><span class="tok-n">data</span><span class="tok-p">,</span> <span class="tok-kt">size_t</span> <span class="tok-o">*</span><span class="tok-n">sizep</span><span class="tok-p">);</span></code></pre> +</div> +</div> +</div> +</div> +<div class="sect1"> +<h2 id="_description">DESCRIPTION</h2> +<div class="sectionbody"> +<div class="paragraph"> +<p>The <code>nng_tcp_listener_getopt()</code> is used to retrieve the value of the option <em>name</em> for the <a href="nng_tcp_listener.5">TCP listener</a> <em>l</em>. +The size of the buffer located at <em>data</em> to receive the copy is passed by the +caller at the location referenced by <em>sizep</em>. +If this size is sufficient to hold the entire object, the object is copied into +the buffer specified by <em>data</em>. +In either event, the size of the source object (the amount of data copied, +or that would have been copied if sufficient space were available) is stored +at the location of <em>sizep</em>.</p> +</div> +<div class="sect2"> +<h3 id="_options">Options</h3> +<div class="paragraph"> +<p>The options specifically suppported for retrieval from TCP listeners are:</p> +</div> +<div class="ulist"> +<ul> +<li> +<p><a href="nng_options.5#NNG_OPT_LOCADDR"><code>NNG_OPT_LOCADDR</code></a></p> +</li> +<li> +<p><a href="nng_options.5#NNG_OPT_TCP_KEEPALIVE"><code>NNG_OPT_TCP_KEEPALIVE</code></a></p> +</li> +<li> +<p><a href="nng_options.5#NNG_OPT_TCP_NODELAY"><code>NNG_OPT_TCP_NODELAY</code></a></p> +</li> +</ul> +</div> +</div> +</div> +</div> +<div class="sect1"> +<h2 id="_return_values">RETURN VALUES</h2> +<div class="sectionbody"> +<div class="paragraph"> +<p>This function returns 0 on success, and non-zero otherwise.</p> +</div> +</div> +</div> +<div class="sect1"> +<h2 id="_errors">ERRORS</h2> +<div class="sectionbody"> +<div class="hdlist"> +<table> +<tr> +<td class="hdlist1"> +<code>NNG_ECLOSED</code> +</td> +<td class="hdlist2"> +<p>The dialer is closed.</p> +</td> +</tr> +<tr> +<td class="hdlist1"> +<code>NNG_EINVAL</code> +</td> +<td class="hdlist2"> +<p>There was insufficient space to receive the object. +The amount of data actually needed is returned in <em>sizep</em>.</p> +</td> +</tr> +<tr> +<td class="hdlist1"> +<code>NNG_ENOTSUP</code> +</td> +<td class="hdlist2"> +<p>The option <em>name</em> is not supported.</p> +</td> +</tr> +<tr> +<td class="hdlist1"> +<code>NNG_EWRITEONLY</code> +</td> +<td class="hdlist2"> +<p>The option <em>name</em> may not read.</p> +</td> +</tr> +</table> +</div> +</div> +</div> +<div class="sect1"> +<h2 id="_see_also">SEE ALSO</h2> +<div class="sectionbody"> +<div class="paragraph text-left"> +<p><a href="nng_tcp_listener_setopt.3tcp">nng_tcp_listener_setopt(3tcp)</a>, +<a href="nng_tcp_getopt.3tcp">nng_tcp_getopt(3tcp)</a>, +<a href="nng_options.5">nng_options(5)</a>, +<a href="nng_strerror.3">nng_strerror(3)</a>, +<a href="nng_tcp.5">nng_tcp(5)</a>, +<a href="nng_tcp_listener.5">nng_tcp_listener(5)</a></p> +</div> +</div> +</div> +</div> +</body> +</html> diff --git a/man/tip/nng_tcp_listener_listen.3tcp.html b/man/tip/nng_tcp_listener_listen.3tcp.html new file mode 100644 index 00000000..0ab34e69 --- /dev/null +++ b/man/tip/nng_tcp_listener_listen.3tcp.html @@ -0,0 +1,637 @@ +--- +version: tip +layout: refman +--- +<!DOCTYPE html> +<html lang="en"> +<head> +<meta charset="UTF-8"> +<!--[if IE]><meta http-equiv="X-UA-Compatible" content="IE=edge"><![endif]--> +<meta name="viewport" content="width=device-width, initial-scale=1.0"> +<meta name="generator" content="Asciidoctor 1.5.8"> +<title>nng_tcp_listener_listen(3tcp)</title> +<link rel="stylesheet" href="https://fonts.googleapis.com/css?family=Open+Sans:300,300italic,400,400italic,600,600italic%7CNoto+Serif:400,400italic,700,700italic%7CDroid+Sans+Mono:400,700"> +<style> +/* Asciidoctor default stylesheet | MIT License | http://asciidoctor.org */ +/* Uncomment @import statement below 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data-lang="c"><span></span><span class="tok-cp">#include</span> <span class="tok-cpf"><nng/nng.h></span><span class="tok-cp"></span> +<span class="tok-cp">#include</span> <span class="tok-cpf"><nng/supplemental/tcp/tcp.h></span><span class="tok-cp"></span> + +<span class="tok-kt">int</span> <span class="tok-nf">nng_tcp_listener_listen</span><span class="tok-p">(</span><span class="tok-n">nng_tcp_listener</span> <span class="tok-n">l</span><span class="tok-p">,</span> <span class="tok-k">const</span> <span class="tok-n">nng_sockaddr</span> <span class="tok-o">*</span><span class="tok-n">sa</span><span class="tok-p">);</span></code></pre> +</div> +</div> +</div> +</div> +<div class="sect1"> +<h2 id="_description">DESCRIPTION</h2> +<div class="sectionbody"> +<div class="paragraph"> +<p>The <code>nng_tcp_listener_listen()</code> attempts to bind the listener <em>l</em> +to the local address specified by <em>sa</em>, which must be in the +<code>NNG_AF_INET</code> or <code>NNG_AF_INET6</code> address family.</p> +</div> +<div class="paragraph"> +<p>This also sets the underlying port into passive mode, ready to +accept an incoming connection, and established a listen queue +for receiving incoming connections. (The queue depth is system +specific, but typically 128.)</p> +</div> +<div class="paragraph"> +<p>The actual IPv4 or IPv6 address in <em>sa</em> may refer either to a locally +configured interface address, or to a zero-valued adddress to indicate +that all interfaces on the system should be bound.</p> +</div> +<div class="paragraph"> +<p>The TCP port number may also be zero. In this case the system will +choose a free TCP port at random, and use it.</p> +</div> +<div class="paragraph"> +<p>The chosen port number may be retrieved using the +<a href="nng_options.5"><code>NNG_OPT_LOCADDR</code></a> option with the +<a href="nng_tcp_listener_getopt.3tcp"><code>nng_tcp_listener_getopt()</code></a> function.</p> +</div> +</div> +</div> +<div class="sect1"> +<h2 id="_return_values">RETURN VALUES</h2> +<div class="sectionbody"> +<div class="paragraph"> +<p>This function returns 0 on success, and non-zero otherwise.</p> +</div> +</div> +</div> +<div class="sect1"> +<h2 id="_errors">ERRORS</h2> +<div class="sectionbody"> +<div class="hdlist"> +<table> +<tr> +<td class="hdlist1"> +<code>NNG_EADDRINUSE</code> +</td> +<td class="hdlist2"> +<p>The address specified by <em>sa</em> is already in use.</p> +</td> +</tr> +<tr> +<td class="hdlist1"> +<code>NNG_EADDRINVAL</code> +</td> +<td class="hdlist2"> +<p>The address specified by <em>sa</em> is invalid or unavailable.</p> +</td> +</tr> +<tr> +<td class="hdlist1"> +<code>NNG_ECLOSED</code> +</td> +<td class="hdlist2"> +<p>The listener <em>l</em> has been closed.</p> +</td> +</tr> +<tr> +<td class="hdlist1"> +<code>NNG_ESTATE</code> +</td> +<td class="hdlist2"> +<p>The listener <em>l</em> is already bound.</p> +</td> +</tr> +</table> +</div> +</div> +</div> +<div class="sect1"> +<h2 id="_see_also">SEE ALSO</h2> +<div class="sectionbody"> +<div class="paragraph text-left"> +<p><a href="nng_strerror.3">nng_strerror(3)</a>, +<a href="nng_tcp_listener_accept.3tcp">nng_tcp_listener_accept(3tcp)</a>, +<a href="nng_tcp_listener_alloc.3tcp">nng_tcp_listener_alloc(3tcp)</a>, +<a href="nng_tcp_listener_close.3tcp">nng_tcp_listener_close(3tcp)</a>, +<a href="nng_tcp_listener_free.3tcp">nng_tcp_listener_free(3tcp)</a>, +<a href="nng_tcp_listener_getopt.3tcp">nng_tcp_listener_getopt(3tcp)</a>, +<a href="nng_sockaddr.5">nng_sockaddr(5)</a>, +<a href="nng_tcp_listener.5">nng_tcp_listener(5)</a></p> +</div> +</div> +</div> +</div> +</body> +</html> diff --git a/man/tip/nng_tcp_listener_setopt.3tcp.html b/man/tip/nng_tcp_listener_setopt.3tcp.html new file mode 100644 index 00000000..40f178dc --- /dev/null +++ b/man/tip/nng_tcp_listener_setopt.3tcp.html @@ -0,0 +1,639 @@ +--- +version: tip +layout: refman +--- +<!DOCTYPE html> +<html lang="en"> +<head> +<meta charset="UTF-8"> +<!--[if IE]><meta http-equiv="X-UA-Compatible" content="IE=edge"><![endif]--> +<meta name="viewport" content="width=device-width, initial-scale=1.0"> +<meta name="generator" content="Asciidoctor 1.5.8"> +<title>nng_tcp_listener_setopt(3tcp)</title> +<link rel="stylesheet" href="https://fonts.googleapis.com/css?family=Open+Sans:300,300italic,400,400italic,600,600italic%7CNoto+Serif:400,400italic,700,700italic%7CDroid+Sans+Mono:400,700"> +<style> +/* Asciidoctor default stylesheet | MIT License | http://asciidoctor.org */ +/* Uncomment @import statement below to use as custom stylesheet */ +/*@import 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+<div class="content"> +<pre class="pygments highlight"><code data-lang="c"><span></span><span class="tok-cp">#include</span> <span class="tok-cpf"><nng/nng.h></span><span class="tok-cp"></span> +<span class="tok-cp">#include</span> <span class="tok-cpf"><nng/supplemental/tcp/tcp.h></span><span class="tok-cp"></span> + +<span class="tok-kt">int</span> <span class="tok-nf">nng_tcp_listener_setopt</span><span class="tok-p">(</span><span class="tok-n">nng_tcp_listener</span> <span class="tok-o">*</span><span class="tok-n">l</span><span class="tok-p">,</span> <span class="tok-k">const</span> <span class="tok-kt">char</span> <span class="tok-o">*</span><span class="tok-n">name</span><span class="tok-p">,</span> <span class="tok-k">const</span> <span class="tok-kt">void</span> <span class="tok-o">*</span><span class="tok-n">data</span><span class="tok-p">,</span> <span class="tok-kt">size_t</span> <span class="tok-n">size</span><span class="tok-p">);</span></code></pre> +</div> +</div> +</div> +</div> +<div class="sect1"> +<h2 id="_description">DESCRIPTION</h2> +<div class="sectionbody"> +<div class="paragraph"> +<p>The <code>nng_tcp_listener_setopt()</code> is used to set the option <em>name</em> for the +<a href="nng_tcp_listener.5">TCP listener</a> <em>l</em>. +The value to set is copied from <em>data</em>, which should be <em>size</em> bytes +in length.</p> +</div> +<div class="sect2"> +<h3 id="_options">Options</h3> +<div class="paragraph"> +<p>The options specifically suppported for modification on TCP listeners are:</p> +</div> +<div class="ulist"> +<ul> +<li> +<p><a href="nng_options.5#NNG_OPT_TCP_LOCADDR"><code>NNG_OPT_LOCADDR</code></a></p> +</li> +<li> +<p><a href="nng_options.5#NNG_OPT_TCP_KEEPALIVE"><code>NNG_OPT_TCP_KEEPALIVE</code></a></p> +</li> +<li> +<p><a href="nng_options.5#NNG_OPT_TCP_NODELAY"><code>NNG_OPT_TCP_NODELAY</code></a></p> +</li> +</ul> +</div> +</div> +</div> +</div> +<div class="sect1"> +<h2 id="_return_values">RETURN VALUES</h2> +<div class="sectionbody"> +<div class="paragraph"> +<p>This function returns 0 on success, and non-zero otherwise.</p> +</div> +</div> +</div> +<div class="sect1"> +<h2 id="_errors">ERRORS</h2> +<div class="sectionbody"> +<div class="hdlist"> +<table> +<tr> +<td class="hdlist1"> +<code>NNG_ECLOSED</code> +</td> +<td class="hdlist2"> +<p>The listener is closed.</p> +</td> +</tr> +<tr> +<td class="hdlist1"> +<code>NNG_EINVAL</code> +</td> +<td class="hdlist2"> +<p>Either <em>data</em> or <em>size</em> are invalid.</p> +</td> +</tr> +<tr> +<td class="hdlist1"> +<code>NNG_ENOTSUP</code> +</td> +<td class="hdlist2"> +<p>The option <em>name</em> is not supported.</p> +</td> +</tr> +<tr> +<td class="hdlist1"> +<code>NNG_EREADONLY</code> +</td> +<td class="hdlist2"> +<p>The option <em>name</em> may not be modified.</p> +</td> +</tr> +</table> +</div> +</div> +</div> +<div class="sect1"> +<h2 id="_see_also">SEE ALSO</h2> +<div class="sectionbody"> +<div class="paragraph text-left"> +<p><a href="nng_tcp_listener_getopt.3tcp">nng_tcp_listener_getopt(3tcp)</a>, +<a href="nng_tcp_setopt.3tcp">nng_tcp_setopt(3tcp)</a>, +<a href="nng_options.5">nng_options(5)</a>, +<a href="nng_strerror.3">nng_strerror(3)</a>, +<a href="nng_tcp.5">nng_tcp(5)</a>, +<a href="nng_tcp_listener.5">nng_tcp_listener(5)</a></p> +</div> +</div> +</div> +</div> +</body> +</html> diff --git a/man/tip/nng_tcp_recv.3tcp.html b/man/tip/nng_tcp_recv.3tcp.html new file mode 100644 index 00000000..a8cd6b1c --- /dev/null +++ b/man/tip/nng_tcp_recv.3tcp.html @@ -0,0 +1,673 @@ +--- +version: tip +layout: refman +--- +<!DOCTYPE html> +<html lang="en"> +<head> +<meta charset="UTF-8"> +<!--[if IE]><meta http-equiv="X-UA-Compatible" content="IE=edge"><![endif]--> +<meta name="viewport" content="width=device-width, initial-scale=1.0"> +<meta name="generator" content="Asciidoctor 1.5.8"> +<title>nng_tcp_recv(3tcp)</title> +<link rel="stylesheet" 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+<p>nng_tcp_recv - receive from TCP connection</p> +</div> +</div> +<div id="content"> +<div class="sect1"> +<h2 id="_synopsis">SYNOPSIS</h2> +<div class="sectionbody"> +<div class="listingblock"> +<div class="content"> +<pre class="pygments highlight"><code data-lang="c"><span></span><span class="tok-cp">#include</span> <span class="tok-cpf"><nng/nng.h></span><span class="tok-cp"></span> +<span class="tok-cp">#include</span> <span class="tok-cpf"><nng/supplemental/tcp/tcp.h></span><span class="tok-cp"></span> + +<span class="tok-kt">void</span> <span class="tok-nf">nng_tcp_recv</span><span class="tok-p">(</span><span class="tok-n">nng_tcp</span> <span class="tok-o">*</span><span class="tok-n">conn</span><span class="tok-p">,</span> <span class="tok-n">nng_aio</span> <span class="tok-o">*</span><span class="tok-n">aio</span><span class="tok-p">);</span></code></pre> +</div> +</div> +</div> +</div> +<div class="sect1"> +<h2 id="_description">DESCRIPTION</h2> +<div class="sectionbody"> +<div class="paragraph"> +<p>The <code>nng_tcp_recv()</code> function starts an asynchronous receive from the +TCP connection <em>conn</em>, into the scatter/gather vector located in the +asynchronous I/O structure <em>aio</em>.</p> +</div> +<div class="admonitionblock note"> +<table> +<tr> +<td class="icon"> +<i class="fa icon-note" title="Note"></i> +</td> +<td class="content"> +The <code><a href="nng_aio_set_iov.3">nng_aio_set_iov()</a></code> function must have been +called first, to set the scatter/gather vector for <em>aio</em>. +</td> +</tr> +</table> +</div> +<div class="paragraph"> +<p>This function returns immediately, with no return value. +Completion of the operation is signaled via the <em>aio</em>, +and the final result may be obtained via +<code><a href="nng_aio_result.3">nng_aio_result()</a></code>. +That result will either be zero or an error code.</p> +</div> +<div class="paragraph"> +<p>The I/O operation completes as soon as at least one byte has been +received, or an error has occurred. +Therefore, the number of bytes read may be less than requested. +The actual number of bytes read can be determined with +<code><a href="nng_aio_count.3">nng_aio_count()</a></code>.</p> +</div> +<div class="admonitionblock note"> +<table> +<tr> +<td class="icon"> +<i class="fa icon-note" title="Note"></i> +</td> +<td class="content"> +While TCP has the notion of urgent (out-of-band) delivery, that is +used by very few protocols and this API does not support it. +</td> +</tr> +</table> +</div> +</div> +</div> +<div class="sect1"> +<h2 id="_return_values">RETURN VALUES</h2> +<div class="sectionbody"> +<div class="paragraph"> +<p>None.</p> +</div> +</div> +</div> +<div class="sect1"> +<h2 id="_errors">ERRORS</h2> +<div class="sectionbody"> +<div class="hdlist"> +<table> +<tr> +<td class="hdlist1"> +<code>NNG_ECANCELED</code> +</td> +<td class="hdlist2"> +<p>The operation was canceled.</p> +</td> +</tr> +<tr> +<td class="hdlist1"> +<code>NNG_ECLOSED</code> +</td> +<td class="hdlist2"> +<p>The connection was closed.</p> +</td> +</tr> +<tr> +<td class="hdlist1"> +<code>NNG_ECONNRESET</code> +</td> +<td class="hdlist2"> +<p>The peer closed the connection.</p> +</td> +</tr> +<tr> +<td class="hdlist1"> +<code>NNG_EINVAL</code> +</td> +<td class="hdlist2"> +<p>The <em>aio</em> does not contain a valid scatter/gather vector.</p> +</td> +</tr> +<tr> +<td class="hdlist1"> +<code>NNG_ENOMEM</code> +</td> +<td class="hdlist2"> +<p>Insufficient free memory to perform the operation.</p> +</td> +</tr> +<tr> +<td class="hdlist1"> +<code>NNG_ETIMEDOUT</code> +</td> +<td class="hdlist2"> +<p>Timeout waiting for data from the connection.</p> +</td> +</tr> +</table> +</div> +</div> +</div> +<div class="sect1"> +<h2 id="_see_also">SEE ALSO</h2> +<div class="sectionbody"> +<div class="paragraph text-left"> +<p><a href="nng_aio_alloc.3">nng_aio_alloc(3)</a>, +<a href="nng_aio_count.3">nng_aio_count(3)</a>, +<a href="nng_aio_result.3">nng_aio_result(3)</a>, +<a href="nng_aio_set_iov.3">nng_aio_set_iov(3)</a>, +<a href="nng_tcp_close.3tcp">nng_tcp_close(3tcp)</a>, +<a href="nng_tcp_send.3tcp">nng_tcp_send(3tcp)</a>, +<a href="nng_tcp.5">nng_tcp(5)</a>, +<a href="nng_strerror.3">nng_strerror(3)</a></p> +</div> +</div> +</div> +</div> +</body> +</html> diff --git a/man/tip/nng_tcp_send.3tcp.html b/man/tip/nng_tcp_send.3tcp.html new file mode 100644 index 00000000..e1e84580 --- /dev/null +++ b/man/tip/nng_tcp_send.3tcp.html @@ -0,0 +1,672 @@ +--- +version: tip +layout: refman +--- +<!DOCTYPE html> +<html lang="en"> +<head> +<meta charset="UTF-8"> +<!--[if IE]><meta http-equiv="X-UA-Compatible" content="IE=edge"><![endif]--> +<meta name="viewport" content="width=device-width, initial-scale=1.0"> +<meta name="generator" content="Asciidoctor 1.5.8"> +<title>nng_tcp_send(3tcp)</title> +<link rel="stylesheet" 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+<p>nng_tcp_send - send to TCP connection</p> +</div> +</div> +<div id="content"> +<div class="sect1"> +<h2 id="_synopsis">SYNOPSIS</h2> +<div class="sectionbody"> +<div class="listingblock"> +<div class="content"> +<pre class="pygments highlight"><code data-lang="c"><span></span><span class="tok-cp">#include</span> <span class="tok-cpf"><nng/nng.h></span><span class="tok-cp"></span> +<span class="tok-cp">#include</span> <span class="tok-cpf"><nng/supplemental/tcp/tcp.h></span><span class="tok-cp"></span> + +<span class="tok-kt">void</span> <span class="tok-nf">nng_tcp_send</span><span class="tok-p">(</span><span class="tok-n">nng_tcp</span> <span class="tok-o">*</span><span class="tok-n">conn</span><span class="tok-p">,</span> <span class="tok-n">nng_aio</span> <span class="tok-o">*</span><span class="tok-n">aio</span><span class="tok-p">);</span></code></pre> +</div> +</div> +</div> +</div> +<div class="sect1"> +<h2 id="_description">DESCRIPTION</h2> +<div class="sectionbody"> +<div class="paragraph"> +<p>The <code>nng_tcp_send()</code> function starts an asynchronous send over the +TCP connection <em>conn</em> from the scatter/gather vector located in the +asynchronous I/O structure <em>aio</em>.</p> +</div> +<div class="admonitionblock note"> +<table> +<tr> +<td class="icon"> +<i class="fa icon-note" title="Note"></i> +</td> +<td class="content"> +The <code><a href="nng_aio_set_iov.3">nng_aio_set_iov()</a></code> function must have been +called first, to set the scatter/gather vector for <em>aio</em>. +</td> +</tr> +</table> +</div> +<div class="paragraph"> +<p>This function returns immediately, with no return value. +Completion of the operation is signaled via the <em>aio</em>, and the final +result may be obtained via <code><a href="nng_aio_result.3">nng_aio_result()</a></code>. +That result will either be zero or an error code.</p> +</div> +<div class="paragraph"> +<p>The I/O operation completes as soon as at least one byte has been +sent, or an error has occurred. +Therefore, the number of bytes sent may be less than requested. +The actual number of bytes sent can be determined with +<code><a href="nng_aio_count.3">nng_aio_count()</a></code>.</p> +</div> +<div class="admonitionblock note"> +<table> +<tr> +<td class="icon"> +<i class="fa icon-note" title="Note"></i> +</td> +<td class="content"> +While TCP has the notion of urgent (out-of-band) delivery, that is +used by very few protocols and this API does not support it. +</td> +</tr> +</table> +</div> +</div> +</div> +<div class="sect1"> +<h2 id="_return_values">RETURN VALUES</h2> +<div class="sectionbody"> +<div class="paragraph"> +<p>None.</p> +</div> +</div> +</div> +<div class="sect1"> +<h2 id="_errors">ERRORS</h2> +<div class="sectionbody"> +<div class="hdlist"> +<table> +<tr> +<td class="hdlist1"> +<code>NNG_ECANCELED</code> +</td> +<td class="hdlist2"> +<p>The operation was canceled.</p> +</td> +</tr> +<tr> +<td class="hdlist1"> +<code>NNG_ECLOSED</code> +</td> +<td class="hdlist2"> +<p>The connection was closed.</p> +</td> +</tr> +<tr> +<td class="hdlist1"> +<code>NNG_ECONNRESET</code> +</td> +<td class="hdlist2"> +<p>The peer closed the connection.</p> +</td> +</tr> +<tr> +<td class="hdlist1"> +<code>NNG_EINVAL</code> +</td> +<td class="hdlist2"> +<p>The <em>aio</em> does not contain a valid scatter/gather vector.</p> +</td> +</tr> +<tr> +<td class="hdlist1"> +<code>NNG_ENOMEM</code> +</td> +<td class="hdlist2"> +<p>Insufficient free memory to perform the operation.</p> +</td> +</tr> +<tr> +<td class="hdlist1"> +<code>NNG_ETIMEDOUT</code> +</td> +<td class="hdlist2"> +<p>Timeout waiting for data from the connection.</p> +</td> +</tr> +</table> +</div> +</div> +</div> +<div class="sect1"> +<h2 id="_see_also">SEE ALSO</h2> +<div class="sectionbody"> +<div class="paragraph text-left"> +<p><a href="nng_aio_alloc.3">nng_aio_alloc(3)</a>, +<a href="nng_aio_count.3">nng_aio_count(3)</a>, +<a href="nng_aio_result.3">nng_aio_result(3)</a>, +<a href="nng_aio_set_iov.3">nng_aio_set_iov(3)</a>, +<a href="nng_tcp_close.3tcp">nng_tcp_close(3tcp)</a>, +<a href="nng_tcp_recv.3tcp">nng_tcp_recv(3tcp)</a>, +<a href="nng_tcp.5">nng_tcp(5)</a>, +<a href="nng_strerror.3">nng_strerror(3)</a></p> +</div> +</div> +</div> +</div> +</body> +</html> diff --git a/man/tip/nng_tcp_setopt.3tcp.html b/man/tip/nng_tcp_setopt.3tcp.html new file mode 100644 index 00000000..31a3f042 --- /dev/null +++ b/man/tip/nng_tcp_setopt.3tcp.html @@ -0,0 +1,635 @@ +--- +version: tip +layout: refman +--- +<!DOCTYPE html> +<html lang="en"> +<head> +<meta charset="UTF-8"> +<!--[if IE]><meta http-equiv="X-UA-Compatible" content="IE=edge"><![endif]--> +<meta name="viewport" content="width=device-width, initial-scale=1.0"> +<meta name="generator" content="Asciidoctor 1.5.8"> +<title>nng_tcp_setopt(3tcp)</title> +<link rel="stylesheet" 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ALSO</a></li> +</ul> +</div> +<h2 id="_name">NAME</h2> +<div class="sectionbody"> +<p>nng_tcp_setopt - set option on TCP connection</p> +</div> +</div> +<div id="content"> +<div class="sect1"> +<h2 id="_synopsis">SYNOPSIS</h2> +<div class="sectionbody"> +<div class="listingblock"> +<div class="content"> +<pre class="pygments highlight"><code data-lang="c"><span></span><span class="tok-cp">#include</span> <span class="tok-cpf"><nng/nng.h></span><span class="tok-cp"></span> +<span class="tok-cp">#include</span> <span class="tok-cpf"><nng/supplemental/tcp/tcp.h></span><span class="tok-cp"></span> + +<span class="tok-kt">int</span> <span class="tok-nf">nng_tcp_setopt</span><span class="tok-p">(</span><span class="tok-n">nng_tcp</span> <span class="tok-o">*</span><span class="tok-n">conn</span><span class="tok-p">,</span> <span class="tok-k">const</span> <span class="tok-kt">char</span> <span class="tok-o">*</span><span class="tok-n">name</span><span class="tok-p">,</span> <span class="tok-k">const</span> <span class="tok-kt">void</span> <span class="tok-o">*</span><span class="tok-n">data</span><span class="tok-p">,</span> <span class="tok-kt">size_t</span> <span class="tok-n">size</span><span class="tok-p">);</span></code></pre> +</div> +</div> +</div> +</div> +<div class="sect1"> +<h2 id="_description">DESCRIPTION</h2> +<div class="sectionbody"> +<div class="paragraph"> +<p>The <code>nng_tcp_setopt()</code> is used to set the option <em>name</em> for the +<a href="nng_tcp5..html">TCP connection</a> <em>conn</em>. +The value to set is copied from <em>data</em>, which should be <em>size</em> bytes +in length.</p> +</div> +<div class="sect2"> +<h3 id="_options">Options</h3> +<div class="paragraph"> +<p>The options specifically suppported for modification on TCP +connections are:</p> +</div> +<div class="ulist"> +<ul> +<li> +<p><a href="nng_options.5#NNG_OPT_TCP_KEEPALIVE"><code>NNG_OPT_TCP_KEEPALIVE</code></a></p> +</li> +<li> +<p><a href="nng_options.5#NNG_OPT_TCP_NODELAY"><code>NNG_OPT_TCP_NODELAY</code></a></p> +</li> +</ul> +</div> +</div> +</div> +</div> +<div class="sect1"> +<h2 id="_return_values">RETURN VALUES</h2> +<div class="sectionbody"> +<div class="paragraph"> +<p>This function returns 0 on success, and non-zero otherwise.</p> +</div> +</div> +</div> +<div class="sect1"> +<h2 id="_errors">ERRORS</h2> +<div class="sectionbody"> +<div class="hdlist"> +<table> +<tr> +<td class="hdlist1"> +<code>NNG_ECLOSED</code> +</td> +<td class="hdlist2"> +<p>The connection <em>conn</em> is closed.</p> +</td> +</tr> +<tr> +<td class="hdlist1"> +<code>NNG_EINVAL</code> +</td> +<td class="hdlist2"> +<p>Either <em>data</em> or <em>size</em> are invalid.</p> +</td> +</tr> +<tr> +<td class="hdlist1"> +<code>NNG_ENOTSUP</code> +</td> +<td class="hdlist2"> +<p>The option <em>name</em> is not supported.</p> +</td> +</tr> +<tr> +<td class="hdlist1"> +<code>NNG_EREADONLY</code> +</td> +<td class="hdlist2"> +<p>The option <em>name</em> may not be modified.</p> +</td> +</tr> +</table> +</div> +</div> +</div> +<div class="sect1"> +<h2 id="_see_also">SEE ALSO</h2> +<div class="sectionbody"> +<div class="paragraph text-left"> +<p><a href="nng_tcp_getopt.3tcp">nng_tcp_getopt(3tcp)</a>, +<a href="nng_options.5">nng_options(5)</a>, +<a href="nng_strerror.3">nng_strerror(3)</a>, +<a href="nng_tcp.5">nng_tcp(5)</a></p> +</div> +</div> +</div> +</div> +</body> +</html> |