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fix: Make VNC launch non-blocking to fix auto-stop timer

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This commit is contained in:
Tanner Collin (aider)
2025-06-17 19:49:50 -06:00
parent e437ce18b8
commit 7abf84d532
1 changed files with 20 additions and 14 deletions
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34
main.py
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@@ -29,7 +29,7 @@ def cast_spell():
logging.info("Cancelled previous auto-stop timer.")
auto_stop_timer = threading.Timer(AUTO_STOP_TIMEOUT_SECONDS, _auto_stop_vnc)
auto_stop_timer.start()
logging.info(f"Scheduled auto-stop for VNC in {AUTO_STOP_TIMEOUT_SECONDS / 3600} hour(s).")
logging.info(f"Scheduled auto-stop for VNC in {AUTO_STOP_TIMEOUT_SECONDS} seconds.")
return f"Successfully cast to Trotec.", 200
elif machine == "thunder":
logging.info("Casting to Thunder.")
@@ -41,7 +41,7 @@ def cast_spell():
logging.info("Cancelled previous auto-stop timer.")
auto_stop_timer = threading.Timer(AUTO_STOP_TIMEOUT_SECONDS, _auto_stop_vnc)
auto_stop_timer.start()
logging.info(f"Scheduled auto-stop for VNC in {AUTO_STOP_TIMEOUT_SECONDS / 3600} hour(s).")
logging.info(f"Scheduled auto-stop for VNC in {AUTO_STOP_TIMEOUT_SECONDS} seconds.")
return f"Successfully cast to Thunder.", 200
else:
logging.warning(f"Invalid or missing machine parameter: {machine}")
@@ -71,25 +71,31 @@ def cast_trotec():
"""Executes the xtightvncviewer command."""
command = "DISPLAY=:1 xtightvncviewer -viewonly -fullscreen 172.17.17.214"
try:
logging.info(f"Executing command: {command}")
subprocess.run(command, shell=True, check=True)
logging.info("Command executed successfully.")
except subprocess.CalledProcessError as e:
logging.error(f"Command failed with error: {e}")
logging.info(f"Launching command: {command}")
# Use Popen to run the command in the background (non-blocking)
subprocess.Popen(command, shell=True)
logging.info(f"Command '{command}' launched successfully.")
except FileNotFoundError:
logging.error(f"Command not found: xtightvncviewer. Please ensure it is installed and in PATH.")
# This error is more likely if the shell itself (e.g., /bin/sh) is not found,
# or if 'xtightvncviewer' is not in PATH and the shell fails to find it.
logging.error(f"Failed to launch VNC for Trotec: Shell or VNC command might not be found. Ensure xtightvncviewer is in PATH and shell is available.")
except Exception as e: # Catch other potential errors during Popen
logging.error(f"An error occurred while launching VNC for Trotec with Popen: {e}")
def cast_thunder():
"""Executes the xtightvncviewer command for Thunder."""
command = "DISPLAY=:1 xtightvncviewer -viewonly -fullscreen 172.17.17.215"
try:
logging.info(f"Executing command: {command}")
subprocess.run(command, shell=True, check=True)
logging.info("Command executed successfully.")
except subprocess.CalledProcessError as e:
logging.error(f"Command failed with error: {e}")
logging.info(f"Launching command: {command}")
# Use Popen to run the command in the background (non-blocking)
subprocess.Popen(command, shell=True)
logging.info(f"Command '{command}' launched successfully.")
except FileNotFoundError:
logging.error(f"Command not found: xtightvncviewer. Please ensure it is installed and in PATH.")
# This error is more likely if the shell itself (e.g., /bin/sh) is not found,
# or if 'xtightvncviewer' is not in PATH and the shell fails to find it.
logging.error(f"Failed to launch VNC for Thunder: Shell or VNC command might not be found. Ensure xtightvncviewer is in PATH and shell is available.")
except Exception as e: # Catch other potential errors during Popen
logging.error(f"An error occurred while launching VNC for Thunder with Popen: {e}")
def kill_vnc():
"""Executes the killall command for xtightvncviewer."""