159 lines
7.0 KiB
Bash
Executable File
159 lines
7.0 KiB
Bash
Executable File
#!/usr/bin/env bash
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###
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# File: sunshine-run
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# Project: bin
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# File Created: Tuesday, 23rd August 2023 3:28:52 pm
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# Author: Josh.5 (jsunnex@gmail.com)
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# -----
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# Last Modified: Friday, 23rd August 2023 4:21:00 pm
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# Modified By: Josh.5 (jsunnex@gmail.com)
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###
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set -e
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exec >> >(tee -a ${USER_HOME:?}/.cache/log/sunshine_run.log) 2>&1
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echo
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echo "-------------------------------"
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echo
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date
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echo
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echo "-------------------------------"
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echo
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echo "**** Execute sunshine-run ****"
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echo
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# Trap SIGINT, SIGQUIT, SIGHUP, SIGTERM to forward signals to the child process
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_term() {
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if [ -n "${proc_pid}" ]; then
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# Read all child processes of proc_pid first
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child_pids=$(pgrep -P $proc_pid)
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# Forward the signal proc_pid
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echo " - Checking for status of main process ${proc_pid}"
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if kill -0 "${proc_pid}" 2>/dev/null; then
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echo " - Forwarding signal $1 to process ${proc_pid}"
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kill -s "${1}" "${proc_pid}"
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else
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echo " - Process ${proc_pid} is already stopped. Nothing to do here."
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fi
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for child_pid in ${child_pids:-}; do
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echo " - Checking for status of child process ${child_pid}"
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if kill -0 "${child_pid}" 2>/dev/null; then
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echo " - Forwarding signal $1 to process ${child_pid}"
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kill -s "${1}" "${child_pid}"
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else
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echo " - Process ${child_pid} is already stopped. Nothing to do here."
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fi
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done
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fi
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}
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trap '_term INT' SIGINT
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trap '_term QUIT' SIGQUIT
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trap '_term HUP' SIGHUP
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trap '_term TERM' SIGTERM
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# Record sunshine-run PID
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echo " - Recording sunshine-run PID '$$' in /tmp/sunshine-exec-run.pid"
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echo "$$" > /tmp/sunshine-exec-run.pid
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# Wipe session config
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echo "" > /tmp/sunshine-exec-run.conf
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# Update display resolution and refresh reate if client provided the required details
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if ([ "X${SUNSHINE_CLIENT_WIDTH:-}" != "X" ] && [ "X${SUNSHINE_CLIENT_HEIGHT:-}" != "X" ] && [ "X${SUNSHINE_CLIENT_FPS:-}" != "X" ]); then
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# Don't fail script if something goes wrong here. Set +e in subprocess
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(
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set +e
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echo " - Setting display resolution to ${SUNSHINE_CLIENT_WIDTH:?}x${SUNSHINE_CLIENT_HEIGHT:?} ${SUNSHINE_CLIENT_FPS:?}Hz"
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# Read current display mode and extract resolution and refresh rate from the mode string
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__xrandr_out="$(xrandr -q)"
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__current_current_mode=$(echo "${__xrandr_out:?}" | awk '/\*/ {print $0}')
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__current_resolution=$(echo ${__current_current_mode:?} | awk '{print $1}')
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__current_refresh_rate=$(echo ${__current_current_mode:?} | awk '{sub(/\*/, "", $2); print $2}')
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# Get the primary output device
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__primary_output="$(echo "${__xrandr_out:?}" | grep primary | awk '{print $1}')"
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# Get the modeline from cvt and extract the second line (which contains the modeline)
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__client_modeline=$(cvt "${SUNSHINE_CLIENT_WIDTH:?}" "${SUNSHINE_CLIENT_HEIGHT:?}" "${SUNSHINE_CLIENT_FPS:?}" | grep Modeline | sed -e 's/Modeline //')
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# Create a new mode for this. This allows us to force a set refresh rate that may not be supported by the display
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__client_mode=$(echo "${__client_modeline:?}" | awk -F '"' '{print $2}')
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# Check if this custom mode is already created
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if ! echo "${__xrandr_out:?}" | grep -q "${__client_mode:?}"; then
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# Custom mode does not yet exist. Create it
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echo " - Adding new mode '${__client_mode:?}' with new modeline '${__client_modeline:?}'"
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xrandr --newmode "${__client_mode:?}" ${__client_modeline##*\"}
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if [ $? -gt 0 ]; then
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echo " - WARNING: Failed to add new mode '${__client_mode:?}'."
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else
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echo " - SUCCESS"
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fi
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else
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echo " - Custom mode '${__client_mode:?}' already exists."
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fi
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# Check if custom mode exists
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__xrandr_out="$(xrandr -q)"
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if echo "${__xrandr_out:?}" | grep -q "${__client_mode:?}"; then
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# Check if this mode is already added to the primary display
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if ! echo "${__xrandr_out:?}" | sed -n "/${__primary_output:?}/,/^[^[:space:]]/ {/^[[:space:]]/p}" | grep -q "${__client_mode:?}"; then
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# Custom mode exists, but is not yet added to the primary output device. Add it
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echo " - Adding custom mode '${__client_mode:?}' to device '${__primary_output:?}'"
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xrandr --addmode "${__primary_output:?}" "${__client_mode:?}"
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__mode_added=$?
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if [ "${__mode_added:-0}" -gt 0 ]; then
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echo " - WARNING: Failed to assign custom mode to primary output device '${__primary_output:?}'."
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else
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echo " - SUCCESS"
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fi
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else
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echo " - Custom mode '${__client_mode:?}' is already configured for the primary output device."
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__mode_added=0
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fi
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else
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echo " - WARNING: Custom mode '${__client_mode:?}' does not exist."
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fi
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# Set the current resoultion to the new mode
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if ([ "X${__mode_added:-}" = "X" ] || [ "${__mode_added:-0}" -gt 0 ]); then
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echo " - Attempting to set the display mode to a supported '${SUNSHINE_CLIENT_WIDTH:?}x${SUNSHINE_CLIENT_HEIGHT:?}' mode. Note that this may not support the configured refresh rate."
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xrandr --output "${__primary_output:?}" --mode ${SUNSHINE_CLIENT_WIDTH:?}x${SUNSHINE_CLIENT_HEIGHT:?} --refresh ${SUNSHINE_CLIENT_FPS:?}
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if [ $? -gt 0 ]; then
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echo " - WARNING: Failed to set current output to mode '${SUNSHINE_CLIENT_WIDTH:?}x${SUNSHINE_CLIENT_HEIGHT:?}' on device '${__primary_output:?}'."
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else
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echo " - SUCCESS"
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fi
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else
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echo " - Setting the display mode to '${__client_mode:?}'"
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xrandr --output "${__primary_output:?}" --mode "${__client_mode:?}" --rate "${SUNSHINE_CLIENT_FPS:?}"
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if [ $? -gt 0 ]; then
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echo " - WARNING: Failed to set current output to custom mode '${__client_mode:?}' on device '${__primary_output:?}'."
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else
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echo " - SUCCESS"
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fi
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fi
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# Save original display settings to config file. This will be read and used to restore the original display settings when the client disconnects.
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echo "primary_output='${__primary_output:?}'" >> /tmp/sunshine-exec-run.conf
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echo "display_mode='${__current_resolution:?}'" >> /tmp/sunshine-exec-run.conf
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echo "display_rate='${__current_refresh_rate:?}'" >> /tmp/sunshine-exec-run.conf
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)
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fi
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# Run child process
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/usr/bin/dumb-init "${@}" &
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proc_pid=$!
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# Wait for child process to exit:
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echo " - Waiting for PID '${proc_pid}' to exit"
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wait "$proc_pid"
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# Clean up PID file
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if [ -f /tmp/sunshine-exec-run.pid ]; then
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echo " - Removing sunshine-run pidfile."
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rm -f /tmp/sunshine-exec-run.pid
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else
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echo " - WARNING: No sunshine-run pidfile found for removal."
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fi
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echo "DONE"
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