nut-debian/docs/man/libnutclient_commands.3

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.\"     Title: libnutclient_commands
.\"    Author: [FIXME: author] [see http://www.docbook.org/tdg5/en/html/author]
.\" Generator: DocBook XSL Stylesheets vsnapshot <http://docbook.sf.net/>
.\"      Date: 04/26/2022
.\"    Manual: NUT Manual
.\"    Source: Network UPS Tools 2.8.0
.\"  Language: English
.\"
.TH "LIBNUTCLIENT_COMMAND" "3" "04/26/2022" "Network UPS Tools 2\&.8\&.0" "NUT Manual"
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.SH "NAME"
libnutclient_commands, nutclient_get_device_commands, nutclient_has_device_command, nutclient_get_device_command_description, nutclient_execute_device_command \- Instant command related functions in Network UPS Tools high\-level client access library
.SH "SYNOPSIS"
.sp
.nf
#include <nutclient\&.h>
.fi
.sp
.nf
typedef void* NUTCLIENT_t;
.fi
.sp
.nf
typedef char** strarr;
.fi
.sp
.nf
strarr nutclient_get_device_commands(
        NUTCLIENT_t client,
        const char* dev);
.fi
.sp
.nf
int nutclient_has_device_command(
        NUTCLIENT_t client,
        const char* dev, const char* cmd);
.fi
.sp
.nf
char* nutclient_get_device_command_description(
        NUTCLIENT_t client,
        const char* dev, const char* cmd);
.fi
.sp
.nf
void nutclient_execute_device_command(
        NUTCLIENT_t client,
        const char* dev, const char* cmd,
        const char* param="");
.fi
.SH "DESCRIPTION"
.sp
These functions allow to manage instant commands of devices\&.
.sp
.RS 4
.ie n \{\
\h'-04'\(bu\h'+03'\c
.\}
.el \{\
.sp -1
.IP \(bu 2.3
.\}
The
\fBnutclient_get_device_commands()\fR
function retrieves the list of command names for a device\&.
.sp
The returned strarr must be freed by
\fIstrarr_free\fR\&.
.RE
.sp
.RS 4
.ie n \{\
\h'-04'\(bu\h'+03'\c
.\}
.el \{\
.sp -1
.IP \(bu 2.3
.\}
The
\fBnutclient_has_device_command\fR
function tests if the specified command is supported by the device\&.
.sp
Return 1 is supported and 0 if not\&.
.RE
.sp
.RS 4
.ie n \{\
\h'-04'\(bu\h'+03'\c
.\}
.el \{\
.sp -1
.IP \(bu 2.3
.\}
The
\fBnutclient_get_device_command_description\fR
function retrieves the command description, if any\&.
.sp
The returned string must be freed\&.
.RE
.sp
.RS 4
.ie n \{\
\h'-04'\(bu\h'+03'\c
.\}
.el \{\
.sp -1
.IP \(bu 2.3
.\}
The
\fBnutclient_execute_device_command\fR
intends to execute the instant command, with an optional parameter\&.
.RE
.sp
Common arguments:
.sp
.RS 4
.ie n \{\
\h'-04'\(bu\h'+03'\c
.\}
.el \{\
.sp -1
.IP \(bu 2.3
.\}
\fIdev\fR
is the device name\&.
.RE
.sp
.RS 4
.ie n \{\
\h'-04'\(bu\h'+03'\c
.\}
.el \{\
.sp -1
.IP \(bu 2.3
.\}
\fIcmd\fR
is the instant command name\&.
.RE
.SH "SEE ALSO"
.sp
\fBlibnutclient\fR(3) \fBlibnutclient_devices\fR(3) \fBlibnutclient_general\fR(3)