rough script to parse logs looking for threads that have hung (stopped logging)

xwords4/relay/scripts/threads_alive.py

@@ -0,0 +1,51 @@
+#!/usr/bin/python
+
+import re;
+
+LOGFILE = "./xwrelay.log"
+LINEPAT = r"^<0x.*>"
+
+# first get a list of the threads
+
+last_seen = {}
+last_ts = ""
+
+def do_init():
+    return [ {}, "00:00:00" ]
+
+def print_last_seen(last_seen):
+    print "one run's worth:"
+    for key,value in last_seen.iteritems():
+        print key, "---", value
+
+def main():
+    cur_date = "00/00/00"
+    last_seen, last_ts = do_init()
+
+    fil = open( LOGFILE, "r" )
+    for line in fil:
+        mo = re.match( r".* \*\*\*\*\* forked \d*th new process \*\*\*\*\*", line )
+        if mo:
+            print_last_seen( last_seen )
+            last_seen, last_ts = do_init()
+            continue
+        mo = re.match( r"<(0x.*)>(\d\d:\d\d:\d\d): (.*)$", line)
+        if mo:
+            thread = mo.group(1);
+            last_ts = mo.group(2)
+            last_seen[thread] = cur_date + "--" + last_ts
+            continue
+        mo = re.match( r"It's a new day: (.*)$", line )
+        if mo:
+            cur_date = mo.group(1)
+    fil.close()
+
+    print_last_seen( last_seen )
+
+#######################################################################
+# main
+#######################################################################
+if __name__ == "__main__":
+    main()
+else:
+    print "not main"