Script execution

script/local.py

@@ -1,7 +1,7 @@
 ###################################################################################################
 #  Deployment specific global definitions - executed after startup.py
 ###################################################################################################
-
+
 from mathutils import estimate_peak_indexes, fit_gaussians, create_fit_point_list, Gaussian
 from mathutils import fit_polynomial,fit_gaussian, fit_harmonic, calculate_peaks
 from mathutils import PolynomialFunction, Gaussian, HarmonicOscillator
@@ -273,11 +273,25 @@ if get_context().isServerEnabled():
 def is_camtool_running():
     return int(exec_cmd("pgrep cam_server | wc -l")) > 0
 
+def kill_camtool():
+    return exec_cmd("killall -9 cam_server")
+
 def run_camtool():
+    try:
+        cmd = "source /opt/gfa/python\n"
+        cmd = cmd + "cam_server -p 10000 -b /afs/psi.ch/intranet/SF/Applications/config/camtool_n > /dev/null &"
+        print exec_cmd(cmd)
+    except:      
+        import traceback
+        print  >> sys.stderr, traceback.format_exc()
+
+def check_camtool():
     if is_camtool_running():
-        return None
-    cmd = "source /opt/gfa/python\n"
-    cmd = cmd + "cam_server -p 10000 -b /afs/psi.ch/intranet/SF/Applications/config/camtool_n &"
-    return exec_cmd(cmd)
-
+        return False
+    fork(run_camtool)
+    start =time.time()
+    while not is_camtool_running():
+        if time.time() - start > 2.0:
+            raise Exception("Error starting camtool process")
+        time.sleep(0.1)