[pulseaudio-discuss] Trouble with module-cli-protocol-tcp

Jim Duda jim at duda.tzo.com
Mon Apr 14 17:58:17 PDT 2008

Yup, nc works fine, thanks!

Lennart Poettering wrote:
> On Mon, 14.04.08 16:21, Jim Duda (jim at duda.tzo.com) wrote:
>> I'm trying to set a sink-mute using module-cli-protocol-tcp.
>> I'm getting "Failed to parse mute switch".  See below.
>> Note that if I do the same thing using module-cli, from the shell used to launch pulseaudio, this command works fine.
>> Also, how do I exit the tcp login?  exit always terminates the deamon.  The documentation suggests using ^D (control D).
>> I tried using ^D.  In response to ^D, I get "unkown command".
> Your version of telnet (you are using that as client, right?) seems to
> use CRLF as line break. PA expects NL and will thus assume that CR is
> part of the mute switch value and then fails to parse that.
> Your version of telnet seems to pass ^D raw to the other side,
> expecting that the other side does all the fancy TTY interpretation of
> these special charachters. PA does not understand that command. Use ^]
> and "quit" to exit a telnet connection.
> Use "netcat" to connect the PA server. It doesn't do any fancy
> TTY-foo, leaves ^D handled by your local TTY, doesn't translate NL to
> CRLF and is thus the much better choice than telnet.
> Long story short: telnet is not a generic TCP client. Never been,
> never will be. Don't misuse it as such.
> Lennart

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