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| author | charnier <charnier@FreeBSD.org> | 2002-07-06 19:19:48 +0000 |
|---|---|---|
| committer | charnier <charnier@FreeBSD.org> | 2002-07-06 19:19:48 +0000 |
| commit | 9639b20db64d084fa58b75058a2bd896b1f743e1 (patch) | |
| tree | a6b4b2576ebd3b2a11ee774c4c4c22866c4c05b5 /libexec/xtend/xtend.8 | |
| parent | 26da445d07574246abb5617f3bb216069636355d (diff) | |
| download | FreeBSD-src-9639b20db64d084fa58b75058a2bd896b1f743e1.zip FreeBSD-src-9639b20db64d084fa58b75058a2bd896b1f743e1.tar.gz | |
The .Nm utility
Diffstat (limited to 'libexec/xtend/xtend.8')
| -rw-r--r-- | libexec/xtend/xtend.8 | 26 |
1 files changed, 18 insertions, 8 deletions
diff --git a/libexec/xtend/xtend.8 b/libexec/xtend/xtend.8 index 75f23b3..411edb2 100644 --- a/libexec/xtend/xtend.8 +++ b/libexec/xtend/xtend.8 @@ -38,7 +38,9 @@ .Sh SYNOPSIS .Nm /usr/libexec/xtend .Sh DESCRIPTION -.Nm Xtend +The +.Nm +utility interfaces between user-level programs and the TW523 X-10 controller. It logs all packets received from the TW523, attempts to track the status of all X-10 devices, and accepts socket connections from user-level @@ -51,8 +53,9 @@ its log file, where it subsequently records all X-10 activity and diagnostic messages. It then begins processing packets received from the TW523 and accepting connections one at a time from clients wishing to issue X-10 commands. -.Nm Xtend -is started from +The +.Nm +utility is started from .Pa /etc/rc.i386 startup script if enabled in .Pa /etc/rc.conf @@ -76,13 +79,16 @@ causes .Nm to abort the current client connection. .Pp -.Nm Xtend +The +.Nm +utility communicates with client processes by a simple protocol in which a one-line command is sent by the client, and is acknowledged by a one-line response from the daemon. .Pp -.Nm Xtend -understands four types of commands: +The +.Nm +utility understands four types of commands: .Bl -tag -width "monitor H U .It Ic status Ar H U where @@ -133,7 +139,9 @@ is returned if the maximum (currently 5) number of such clients was not exceeded, otherwise .Sy ERROR is returned. -.Nm Xtend +The +.Nm +utility then returns to its normal mode of accepting connections from clients. However, each subsequent change in the status of the specified device will cause @@ -170,7 +178,9 @@ dump of device status There is currently no timeout on client socket connections, so a hung client program can prevent other clients from accessing the daemon. .Pp -.Nm Xtend +The +.Nm +utility does the best it can at trying to track device status, but there is usually no way it can tell when a device has been operated manually. This is due to the fact that most X-10 devices are not able to |
