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f02ec71a3b
...
2b07a5ee42
@ -4,7 +4,6 @@
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### Dependencies
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* zenity (unless called with option `--no-gui`)
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* jq
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* Audio subsystem:
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- PulseAudio or
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367
pulseaudio-tcp
367
pulseaudio-tcp
@ -17,144 +17,81 @@
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <https://www.gnu.org/licenses/>.
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##
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# Arguments
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operation=$1
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##
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# Configuration
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config_dir="$HOME"/.config/pulseaudio-tcp
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config="$config_dir"/config.inc.sh
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##
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# Functions
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usage() {
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cat >&2 <<EOF
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Usage: $0 [OPTIONS] OPERATION
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Options:
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--debug Enable additional debug output for start and stop operations.
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--no-gui Do not display GUI dialogs, use terminal for input and output.
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Operations:
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setup Interactively gather settings.
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start Start redirection to remote host.
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stop Stop redirection to remote host.
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restart Stop and then start redirection.
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status Check if redirection is set up and enabled.
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EOF
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}
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log() {
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level=$1
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shift
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msg=$*
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echo "$level: $msg" >&2
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if [[ -t 1 ]] && $gui && [[ -n $(type -p zenity) ]] ; then
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case "$level" in
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ERROR)
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zenity --error --text="$msg"
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;;
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*)
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zenity --info --text="$msg"
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;;
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esac
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fi
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}
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error() {
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log ERROR "$@"
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}
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info() {
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log INFO "$@"
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}
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debug() {
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if "$debug" ; then
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log DEBUG "$@"
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else
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gui=false log DEBUG "$@"
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fi
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}
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_ssh() {
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if ssh -S "$USER"-pulseaudio "$remote_user"@"$remote_ip" "$@" ; then
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return 0
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else
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error "SSH remote_ip=$remote_ip failed."
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echo "ERROR: SSH remote_ip=$remote_ip failed." >&2
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return 1
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fi
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}
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question_yesno() {
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question=$*
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if "$gui" ; then
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if zenity --question --text="$question" ; then
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return 0
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else
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return 1
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fi
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else
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while read -r -p "$question [y|n] " answer ; do
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case $answer in
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[yY])
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return 0
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;;
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[nN])
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return 1
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;;
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esac
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done
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fi
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}
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question_input() {
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title=$1
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question=$2
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value=$3
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if $gui ; then
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zenity --entry --title="$title" --text="$question" --entry-text="$value"
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else
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echo "$title" >&2
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read -r -p "$question ($value)" answer
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[[ -z $answer ]] && answer=$value
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echo "$answer"
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fi
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}
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# Perform setup operation
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do_setup() {
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if test -e "$config" ; then
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if question_yesno "$config already exists, overwrite it?"; then
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if ! test -w "$config" ; then
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error "$config is not writable."
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return 1 ;
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elif ! test -r "$config" ; then
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error "$config is not readable."
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return 1 ;
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else
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. "$config"
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fi
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else
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error "Setup aborted."
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read -r -p "config=$config already exists, overwrite it? (Y|n) " answer
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case "$answer" in
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y|Y|"")
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if ! test -w "$config" ; then
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echo "ERROR: config=$config is not writable." >&2 ;
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return 1 ;
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elif ! test -r "$config" ; then
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echo "ERROR: config=$config is not readable." >&2 ;
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return 1 ;
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else
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. "$config"
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fi
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;;
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*)
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echo "ERROR: Setup aborted." >&2
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return 1
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fi
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esac
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elif ! test -e "$config_dir" ; then
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mkdir -p "$config_dir" || {
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error "Could not create $config_dir"
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echo "ERROR: Could not create config_dir=$config_dir." >&2 ;
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return 1 ;
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}
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elif ! test -d "$config_dir" ; then
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error "$config_dir is not a directory"
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echo "ERROR: config_dir=$config_dir is not a directory." >&2
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return 1
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elif ! test -w "$config_dir" ; then
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error "$config_dir is not writable"
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echo "ERROR: config_dir=$config_dir is not writable." >&2
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return 1
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fi
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while true ; do
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if remote_ip_in=$(question_input "Set remote host" "Enter name or IP address of remote host:" "$remote_ip") ; then
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read -r -p "Enter IP address of remote host ($remote_ip): " remote_ip_in
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if test -n "$remote_ip_in" ; then
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break
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elif test -n "$remote_ip" ; then
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remote_ip_in=$remote_ip
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break
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fi
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done
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while true ; do
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if remote_user_in=$(question_input "Set remote user" "Enter username on remote host:" "$remote_user") ; then
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read -r -p "Enter username on remote host $remote_ip ($remote_user): " remote_user_in
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if test -n "$remote_user_in" ; then
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break
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elif test -n "$remote_user" ; then
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remote_user_in=$remote_user
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break
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fi
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done
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@ -162,25 +99,65 @@ do_setup() {
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inbound=${inbound:-true}
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while true ; do
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if question_yesno "Enable inbound audio?"; then
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inbound_in=true
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break
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if "$inbound" ; then
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prompt="Y/n"
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else
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inbound_in=false
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break
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prompt="y/N"
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fi
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read -r -p "Enable inbound audio ($prompt): " inbound_in
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case "$inbound_in" in
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"")
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if test -n "$inbound" ; then
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inbound_in=$inbound
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break 2
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fi
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;;
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y|Y)
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inbound_in=true
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break 2
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;;
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n|N)
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inbound_in=false
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break 2
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;;
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*)
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echo "ERROR: Please type \"y\" or \"n\"." >&2
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;;
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esac
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done
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outbound=${outbound:-true}
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while true ; do
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if question_yesno "Enable outbound audio?"; then
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outbound_in=true
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break
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if "$outbound" ; then
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prompt="Y/n"
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else
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outbound_in=false
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break
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prompt="y/N"
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fi
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read -r -p "Enable outbound audio ($prompt): " outbound_in
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case "$outbound_in" in
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"")
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if test -n "$outbound" ; then
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outbound_in=$outbound
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break 2
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fi
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;;
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y|Y)
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outbound_in=true
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break 2
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;;
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n|N)
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outbound_in=false
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break 2
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;;
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*)
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echo "ERROR: Please type \"y\" or \"n\"." >&2
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;;
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esac
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done
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cat > "$config" << EOF
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@ -215,40 +192,37 @@ check_pa_ssh() {
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# Perform status operation
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do_status() {
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rv=0
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errors=()
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if ! check_pa_ssh ; then
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rv=1
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fi
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if ! _ssh pactl list modules | grep -Fq "Name: module-native-protocol-tcp" ; then
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errors+=("PulseAudio module \"module-native-protocol-tcp\" is not loaded on remote host $remote_ip.")
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echo "ERROR: PulseAudio module \"module-native-protocol-tcp\" is not loaded on remote_ip=$remote_ip." >&2
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rv=1
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fi
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if "$outbound" ; then
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if ! pactl list modules | grep -Fq "Name: module-tunnel-sink" ; then
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errors+=("PulseAudio module \"module-tunnel-sink\" is not loaded.")
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echo "ERROR: PulseAudio module \"module-tunnel-sink\" is not loaded." >&2
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rv=1
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fi
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if ! pactl get-default-sink | grep -Fq "tunnel-sink.tcp:127.0.0.1" ; then
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errors+=("\"tunnel-sink.tcp:127.0.0.1\" is not the default PulseAudio sink.")
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echo "ERROR: \"tunnel-sink.tcp:127.0.0.1\" is not the default PulseAudio sink." >&2
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rv=1
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fi
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fi
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if "$inbound" ; then
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if ! pactl list modules | grep -Fq "Name: module-tunnel-source" ; then
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errors+=("PulseAudio module \"module-tunnel-source\" is not loaded.")
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echo "ERROR: PulseAudio module \"module-tunnel-source\" is not loaded." >&2
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rv=1
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fi
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fi
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if [[ $rv -eq 0 ]] ; then
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info "All checks passed; pulseaudio-tcp status is okay."
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else
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error "pulseaudio-tcp status is not okay: ${errors[*]}"
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if test "$rv" -eq 0 ; then
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echo "INFO: All checks passed; pulseaudio-tcp status is okay." >&2
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fi
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return "$rv"
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@ -257,10 +231,10 @@ do_status() {
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# Acquire PulseAudio cookie from remote host
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sync_pa_cookie() {
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if scp -q "$remote_user"@"$remote_ip":.config/pulse/cookie ~/.config/pulse/cookie ; then
|
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debug "Synced PulseAudio cookie from remote host $remote_ip."
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echo "INFO: Synced PulseAudio cookie from remote_ip=$remote_ip." >&2
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||||
return 0
|
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else
|
||||
error "Unable to sync PulseAudio cookie from remote host $remote_ip."
|
||||
echo "ERROR: Unable to sync PulseAudio cookie from remote_ip=$remote_ip." >&2
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||||
return 1
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||||
fi
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}
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@ -273,13 +247,13 @@ establish_ssh_portforward() {
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# Enable PulseAudio TCP tunnel server on remote host
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enable_remote_pa_tunnel_server() {
|
||||
if _ssh pactl list modules | grep -Fq "Name: module-native-protocol-tcp" ; then
|
||||
debug "PulseAudio module \"module-native-protocol-tcp\" already loaded on remote host $remote_ip."
|
||||
echo "INFO: PulseAudio module \"module-native-protocol-tcp\" already loaded on remote_ip=$remote_ip." >&2
|
||||
return 0
|
||||
elif _ssh pactl load-module module-native-protocol-tcp listen=127.0.0.1 auth-ip-acl=127.0.0.1 ; then
|
||||
debug "Loaded PulseAudio module \"module-native-protocol-tcp\" on remote host $remote_ip."
|
||||
echo "INFO: Loaded PulseAudio module \"module-native-protocol-tcp\" on remote_ip=$remote_ip." >&2
|
||||
return 0
|
||||
else
|
||||
error "Unable to load PulseAudio module \"module-native-protocol-tcp\" on remote host $remote_ip."
|
||||
echo "ERROR: Unable to load PulseAudio module \"module-native-protocol-tcp\" on remote_ip=$remote_ip." >&2
|
||||
return 1
|
||||
fi
|
||||
}
|
||||
@ -287,13 +261,13 @@ enable_remote_pa_tunnel_server() {
|
||||
# Enable tunnel sink on local host
|
||||
enable_local_pa_tunnel_sink() {
|
||||
if pactl list modules | grep -Fq "Name: module-tunnel-sink" ; then
|
||||
debug "PulseAudio module \"module-tunnel-sink\" already loaded."
|
||||
echo "INFO: PulseAudio module \"module-tunnel-sink\" already loaded." >&2
|
||||
return 0
|
||||
elif pactl load-module module-tunnel-sink server=tcp:127.0.0.1 ; then
|
||||
debug "Loaded PulseAudio module \"module-tunnel-sink\"."
|
||||
echo "INFO: Loaded PulseAudio module \"module-tunnel-sink\"." >&2
|
||||
return 0
|
||||
else
|
||||
error "Unable to load PulseAudio module \"module-tunnel-sink\"."
|
||||
echo "ERROR: Unable to load PulseAudio module \"module-tunnel-sink\"." >&2
|
||||
return 1
|
||||
fi
|
||||
}
|
||||
@ -301,13 +275,13 @@ enable_local_pa_tunnel_sink() {
|
||||
# Enable tunnel source on local host
|
||||
enable_local_pa_tunnel_source() {
|
||||
if pactl list modules | grep -Fq "Name: module-tunnel-source" ; then
|
||||
debug "PulseAudio module \"module-tunnel-source\" already loaded."
|
||||
echo "INFO: PulseAudio module \"module-tunnel-source\" already loaded." >&2
|
||||
return 0
|
||||
elif pactl load-module module-tunnel-source server=tcp:127.0.0.1 ; then
|
||||
debug "Loaded PulseAudio module \"module-tunnel-source\"."
|
||||
echo "INFO: Loaded PulseAudio module \"module-tunnel-source\"." >&2
|
||||
return 0
|
||||
else
|
||||
error "Unable to load PulseAudio module \"module-tunnel-source\"."
|
||||
echo "ERROR: Unable to load PulseAudio module \"module-tunnel-source\"." >&2
|
||||
return 1
|
||||
fi
|
||||
}
|
||||
@ -315,10 +289,10 @@ enable_local_pa_tunnel_source() {
|
||||
# Set tunnel sink as default sink on local host
|
||||
set_local_pa_tunnel_sink_as_default() {
|
||||
if pactl set-default-sink tunnel-sink.tcp:127.0.0.1 ; then
|
||||
debug "Set \"tunnel-sink.tcp:127.0.0.1\" as default PulseAudio sink."
|
||||
echo "INFO: Set \"tunnel-sink.tcp:127.0.0.1\" as default PulseAudio sink." >&2
|
||||
return 0
|
||||
else
|
||||
error "Failed to set \"tunnel-sink.tcp:127.0.0.1\" as default PulseAudio sink."
|
||||
echo "ERROR: Failed to set \"tunnel-sink.tcp:127.0.0.1\" as default PulseAudio sink." >&2
|
||||
return 1
|
||||
fi
|
||||
}
|
||||
@ -331,7 +305,6 @@ do_start() {
|
||||
|
||||
if "$outbound" ; then
|
||||
enable_local_pa_tunnel_sink || return 1
|
||||
# workaround, local tunnel is not available immediately
|
||||
sleep 1
|
||||
set_local_pa_tunnel_sink_as_default || return 1
|
||||
fi
|
||||
@ -346,10 +319,10 @@ do_start() {
|
||||
# Remove PulseAudio TCP tunnel sink on local host
|
||||
remove_local_pa_tunnel_sink() {
|
||||
if ! pactl list modules | grep -Fq "Name: module-tunnel-sink" ; then
|
||||
debug " PulseAudio module \"module-tunnel-sink\" is not loaded."
|
||||
echo "INFO: PulseAudio module \"module-tunnel-sink\" is not loaded." >&2
|
||||
return 0
|
||||
elif ! pactl list sinks | grep -Fq "tunnel-sink.tcp:127.0.0.1" ; then
|
||||
debug "No PulseAudio tunnel sink to 127.0.0.1 exists."
|
||||
echo "INFO: No PulseAudio tunnel sink to 127.0.0.1 exists." >&2
|
||||
return 0
|
||||
else
|
||||
owner_module=$(
|
||||
@ -358,10 +331,10 @@ remove_local_pa_tunnel_sink() {
|
||||
)
|
||||
|
||||
if ! pactl unload-module "$owner_module" ; then
|
||||
error "Could not unload owner module $owner_module of PulseAudio sink \"tunnel-sink.tcp:127.0.0.1\"."
|
||||
echo "ERROR: Could not unload owner module $owner_module of PulseAudio sink \"tunnel-sink.tcp:127.0.0.1\"." >&2
|
||||
return 1
|
||||
else
|
||||
debug "Unloaded owner module $owner_module of PulseAudio sink \"tunnel-sink.tcp:127.0.0.1\"."
|
||||
echo "INFO: Unloaded owner module $owner_module of PulseAudio sink \"tunnel-sink.tcp:127.0.0.1\"." >&2
|
||||
return 0
|
||||
fi
|
||||
fi
|
||||
@ -370,10 +343,10 @@ remove_local_pa_tunnel_sink() {
|
||||
# Remove PulseAudio TCP tunnel source on local host
|
||||
remove_local_pa_tunnel_source() {
|
||||
if ! pactl list modules | grep -Fq "Name: module-tunnel-source" ; then
|
||||
debug "PulseAudio module \"module-tunnel-source\" is not loaded."
|
||||
echo "INFO: PulseAudio module \"module-tunnel-source\" is not loaded." >&2
|
||||
return 0
|
||||
elif ! pactl list sources | grep -Fq "tunnel-source.tcp:127.0.0.1" ; then
|
||||
debug "No PulseAudio tunnel source from 127.0.0.1 exists."
|
||||
echo "INFO: No PulseAudio tunnel source from 127.0.0.1 exists." >&2
|
||||
return 0
|
||||
else
|
||||
owner_module=$(
|
||||
@ -382,10 +355,10 @@ remove_local_pa_tunnel_source() {
|
||||
)
|
||||
|
||||
if ! pactl unload-module "$owner_module" ; then
|
||||
error "Could not unload owner module $owner_module of PulseAudio source \"tunnel-source.tcp:127.0.0.1\"."
|
||||
echo "ERROR: Could not unload owner module $owner_module of PulseAudio source \"tunnel-source.tcp:127.0.0.1\"." >&2
|
||||
return 1
|
||||
else
|
||||
debug "Unloaded owner module $owner_module of PulseAudio source \"tunnel-source.tcp:127.0.0.1\"."
|
||||
echo "INFO: Unloaded owner module $owner_module of PulseAudio source \"tunnel-source.tcp:127.0.0.1\"." >&2
|
||||
return 0
|
||||
fi
|
||||
fi
|
||||
@ -394,13 +367,13 @@ remove_local_pa_tunnel_source() {
|
||||
# Stop PulseAudio TCP tunnel server on remote host.
|
||||
disable_remote_pa_tunnel_server() {
|
||||
if ! _ssh pactl list modules | grep -Fq "Name: module-native-protocol-tcp" ; then
|
||||
debug "PulseAudio module \"module-native-protocol-tcp\" not loaded on remote_ip=$remote_ip."
|
||||
echo "INFO: PulseAudio module \"module-native-protocol-tcp\" not loaded on remote_ip=$remote_ip." >&2
|
||||
return 0
|
||||
elif ! _ssh pactl unload-module module-native-protocol-tcp ; then
|
||||
error "Could not unload PulseAudio module \"module-native-protocol-tcp\" on remote host $remote_ip."
|
||||
echo "ERROR: Could not unload PulseAudio module \"module-native-protocol-tcp\" on remote_ip=$remote_ip." >&2
|
||||
return 1
|
||||
else
|
||||
debug "Unloaded PulseAudio module \"module-native-protocol-tcp\" on remote host $remote_ip."
|
||||
echo "INFO: Unloaded PulseAudio module \"module-native-protocol-tcp\" on remote_ip=$remote_ip." >&2
|
||||
return 0
|
||||
fi
|
||||
}
|
||||
@ -430,93 +403,58 @@ do_stop() {
|
||||
return 0
|
||||
}
|
||||
|
||||
##
|
||||
# Arguments
|
||||
|
||||
for arg in "$@" ; do
|
||||
case "$arg" in
|
||||
--debug)
|
||||
debug_cmdline=true
|
||||
;;
|
||||
--no-gui)
|
||||
gui_cmdline=false
|
||||
;;
|
||||
--help)
|
||||
help_cmdline=true
|
||||
;;
|
||||
*)
|
||||
operation=$arg
|
||||
;;
|
||||
esac
|
||||
done
|
||||
|
||||
##
|
||||
# Configuration
|
||||
|
||||
config_dir="$HOME"/.config/pulseaudio-tcp
|
||||
config=$config_dir/config.inc.sh
|
||||
|
||||
if [[ $help_cmdline = true ]] ; then
|
||||
usage
|
||||
exit 0
|
||||
fi
|
||||
|
||||
if [[ $debug_cmdline = true ]] ; then
|
||||
debug=true
|
||||
else
|
||||
debug=false
|
||||
fi
|
||||
|
||||
if [[ $gui_cmdline = false ]] ; then
|
||||
gui=false
|
||||
else
|
||||
gui=true
|
||||
fi
|
||||
|
||||
##
|
||||
# Main Program
|
||||
|
||||
rv=0
|
||||
|
||||
if test "$operation" = setup ; then
|
||||
info "Entering setup mode ..."
|
||||
echo "Entering setup mode ..."
|
||||
else
|
||||
if ! test -e "$config" ; then
|
||||
error "Configfile $config does not exist (use \"$0 setup\" first)."
|
||||
echo "ERROR: Configfile $config does not exist (use \"$0 setup\" first)." >&2
|
||||
rv=1
|
||||
elif ! test -r "$config" ; then
|
||||
error "Configfile $config is not readable."
|
||||
echo "ERROR: Configfile $config is not readable." >&2
|
||||
rv=1
|
||||
elif ! test -f "$config" ; then
|
||||
error "Configfile $config is not a regular file."
|
||||
echo "ERROR: Configfile $config is not a regular file." >&2
|
||||
rv=1
|
||||
else
|
||||
. "$config"
|
||||
|
||||
if [[ -z $remote_ip ]] ; then
|
||||
error "\"remote_ip=<IP address>\" not set in configfile $config."
|
||||
if test -z "$remote_ip" ; then
|
||||
echo "ERROR: \"remote_ip=<IP address>\" not set in configfile $config." >&2
|
||||
rv=1
|
||||
elif [[ -z $remote_user ]] ; then
|
||||
error "\"remote_user=<username>\" not set in configfile $config."
|
||||
elif test -z "$remote_user" ; then
|
||||
echo "ERROR: \"remote_user=<username>\" not set in configfile $config." >&2
|
||||
rv=1
|
||||
fi
|
||||
fi
|
||||
|
||||
required_cmds=( jq pactl ssh )
|
||||
"$gui" && required_cmds+=( zenity )
|
||||
|
||||
for exe in "${required_cmds[@]}" ; do
|
||||
if [[ -z $(type -p "$exe") ]] ; then
|
||||
error "Required executable \"$exe\" not found."
|
||||
rv=1
|
||||
fi
|
||||
done
|
||||
if test -z "$(which jq)" ; then
|
||||
echo "ERROR: Required executable \"jq\" not found." >&2
|
||||
rv=1
|
||||
elif test -z "$(which pactl)" ; then
|
||||
echo "ERROR: Required executable \"pactl\" not found." >&2
|
||||
rv=1
|
||||
elif test -z "$(which ssh)" ; then
|
||||
echo "ERROR: Required executable \"ssh\" not found." >&2
|
||||
rv=1
|
||||
fi
|
||||
fi
|
||||
|
||||
if [[ $rv -ne 0 ]] ; then
|
||||
error "Preliminary checks failed, skipping operation."
|
||||
if test "$rv" -ne 0 ; then
|
||||
echo "ERROR: Preliminary checks failed, skipping operation." >&2
|
||||
else
|
||||
case "$operation" in
|
||||
""|-h|--help)
|
||||
cat << EOF
|
||||
Setup and run encrypted connection to remote PulseAudio/Pipewire server
|
||||
Usage: $0 restart|setup|start|status|stop
|
||||
EOF
|
||||
rv=0
|
||||
;;
|
||||
setup)
|
||||
do_setup
|
||||
rv=$?
|
||||
@ -539,10 +477,11 @@ else
|
||||
rv=$?
|
||||
;;
|
||||
*)
|
||||
usage
|
||||
echo "ERROR: Usage: $0 restart|setup|start|status|stop" >&2
|
||||
rv=1
|
||||
;;
|
||||
esac
|
||||
fi
|
||||
|
||||
exit "$rv"
|
||||
|
||||
|
||||
Loading…
x
Reference in New Issue
Block a user