File: libnutclient_tcp.3

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'\" t
.\"     Title: libnutclient_tcp
.\"    Author: [FIXME: author] [see http://docbook.sf.net/el/author]
.\" Generator: DocBook XSL Stylesheets v1.78.1 <http://docbook.sf.net/>
.\"      Date: 03/02/2016
.\"    Manual: NUT Manual
.\"    Source: Network UPS Tools 2.7.3.1
.\"  Language: English
.\"
.TH "LIBNUTCLIENT_TCP" "3" "03/02/2016" "Network UPS Tools 2\&.7\&.3\&." "NUT Manual"
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.SH "NAME"
libnutclient_tcp, nutclient_tcp_create_client, nutclient_tcp_is_connected, nutclient_tcp_disconnect, nutclient_tcp_reconnect, nutclient_tcp_set_timeout, nutclient_tcp_get_timeout \- TCP protocol related function for Network UPS Tools high\-level client access library
.SH "SYNOPSIS"
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.nf
#include <nutclient\&.h>
.fi
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.nf
typedef NUTCLIENT_t NUTCLIENT_TCP_t;
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.nf
NUTCLIENT_TCP_t nutclient_tcp_create_client(const char* host, unsigned short port);
int nutclient_tcp_is_connected(NUTCLIENT_TCP_t client);
void nutclient_tcp_disconnect(NUTCLIENT_TCP_t client);
int nutclient_tcp_reconnect(NUTCLIENT_TCP_t client);
void nutclient_tcp_set_timeout(NUTCLIENT_TCP_t client, long timeout);
long nutclient_tcp_get_timeout(NUTCLIENT_TCP_t client);
.fi
.SH "DESCRIPTION"
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These functions allow to manage connections to \fBupsd\fR(8) using NUT TCP protocol\&.
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The \fBnutclient_tcp_create_client()\fR function create the \fINUTCLIENT_TCP_t\fR context and intend to connect to upsd at \fIhost\fR and \fIport\fR\&. The context must be freed by \fInutclient_destroy()\fR
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\fIhost\fR can be a sever name or a valid IPv4 or IPv6 adress like "localhost", "127\&.0\&.0\&.1" or "::1"\&.
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\fIport\fR is a valid TCP port, genrally 3493\&.
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The \fBnutclient_tcp_is_connected()\fR function test if the connection is valid\&.
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The \fBnutclient_tcp_disconnect()\fR function force to disconnect the specified connection\&.
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The \fBnutclient_tcp_reconnect()\fR function force to reconnect a connection, disconnecting it if needed\&.
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The \fBnutclient_tcp_set_timeout()\fR function set the timeout duration for I/O operations\&.
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The \fBnutclient_tcp_get_timeout()\fR function retrieve the timeout duration for I/O operations\&.
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\fItimeout\fR values are specified in seconds, negatives values for blocking\&.
.SH "SEE ALSO"
.sp
\fBlibnutclient\fR(3) \fBlibnutclient_general\fR(3)