From 1e23b54b4cd41b5cf68c32e7eea6a50d03f185ae Mon Sep 17 00:00:00 2001
From: Lucio Zambon <lucio.zambon@elettra.eu>
Date: Thu, 27 Mar 2025 03:19:05 +0000
Subject: [PATCH] Add new file
---
launcher.py | 54 +++++++++++++++++++++++++++++++++++++++++++++++++++++
1 file changed, 54 insertions(+)
create mode 100644 launcher.py
diff --git a/launcher.py b/launcher.py
new file mode 100644
index 0000000..186f20d
--- /dev/null
+++ b/launcher.py
@@ -0,0 +1,54 @@
+import subprocess
+import sys
+import psutil
+import socket
+host = socket.gethostname()
+import urllib.request
+
+if len(sys.argv)<2:
+ sys.exit('Error: missing executable name')
+
+sys.argv[1] = sys.argv[1].replace('puma://', '')
+feedback = "http://puma-01.elettra.eu/knob/index.php?host="+host+"&pid="
+
+# Path to the executable
+executable_path = ('/runtime/bin/'+sys.argv[1]).replace('/bin/elettra/', '/elettra/bin/')
+
+def is_process_running(process_name, params):
+ """Check if a process with the given name and parameters is running."""
+ for proc in psutil.process_iter(['name', 'cmdline']):
+ try:
+ # Check if the process name matches
+ if proc.info['name'] == process_name:
+ # Check if the command line arguments match
+ if params == proc.info['cmdline'][1:]: # Skip the first element (the executable name)
+ return True
+ except (psutil.NoSuchProcess, psutil.AccessDenied, psutil.ZombieProcess):
+ pass
+ return False
+
+process_name = sys.argv[1].replace('elettra/', '')
+params = sys.argv[2:]
+if is_process_running(process_name, params):
+ print(f"The process '{process_name}' with parameters {params} is already running.")
+ sys.argv[1] = executable_path
+ # processInfo = subprocess.Popen('/usr/bin/python3 /home/elettra/tmp/lz/vibration.py '+' '.join(sys.argv[1:]), shell=True, stdout=subprocess.PIPE, stderr=subprocess.PIPE)
+ # print(processInfo.stdout.read())
+ f = urllib.request.urlopen(feedback+'0')
+ myfile = f.read()
+else:
+ print(f"The process '{process_name}' with parameters {params} is not running.")
+ try:
+ sys.argv[1] = executable_path
+ process = subprocess.Popen(sys.argv[1:])
+ pid = process.pid
+ print(f"The PID of the launched process is: {pid}")
+ f = urllib.request.urlopen(feedback+str(pid))
+ myfile = f.read()
+ #print(myfile)
+
+ except Exception as e:
+ print(e)
+ f = urllib.request.urlopen(feedback+'-1&err='+str(e))
+ myfile = f.read()
+ #print(myfile)
--
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