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#!/usr/bin/env python |
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import os |
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import sys |
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import re |
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import json |
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class CheckProcs(object): |
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myPid = 0 |
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state = "" |
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name = "" |
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pid = 0 |
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allProcs = [] |
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interestingProcs = [] |
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procDir = "/proc" |
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debug = False |
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def __init__(self): |
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self.myPid = os.getpid() |
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def setup(self, debug=False, pidlist=False): |
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self.debug = debug |
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self.pidlist = pidlist |
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if debug is True: |
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print("Debug is on") |
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self.allProcs = [procs for procs in os.listdir(self.procDir) if procs.isdigit() and |
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int(procs) != int(self.myPid)] |
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def process(self, criteria): |
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for p in self.allProcs: |
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try: |
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fh = open(self.procDir + "/" + p + "/stat") |
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pInfo = fh.readline().split() |
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cmdfh = open(self.procDir + "/" + p + "/cmdline") |
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cmd = cmdfh.readline() |
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pInfo[1] = cmd |
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except: |
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continue |
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finally: |
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cmdfh.close() |
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fh.close() |
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if criteria == 'state': |
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if pInfo[2] == self.state: |
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self.interestingProcs.append(pInfo) |
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elif criteria == 'name': |
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if re.search(self.name, pInfo[1]): |
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self.interestingProcs.append(pInfo) |
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elif criteria == 'pid': |
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if pInfo[0] == self.pid: |
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self.interestingProcs.append(pInfo) |
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def byState(self, state): |
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self.state = state |
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self.process(criteria='state') |
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self.show() |
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def byPid(self, pid): |
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self.pid = pid |
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self.process(criteria='pid') |
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self.show() |
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def byName(self, name): |
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self.name = name |
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self.process(criteria='name') |
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self.show() |
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def run(self, foo, criteria): |
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if foo == 'state': |
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self.byState(criteria) |
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elif foo == 'name': |
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self.byName(criteria) |
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elif foo == 'pid': |
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self.byPid(criteria) |
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def show(self): |
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prettyOut = {} |
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if len(self.interestingProcs) > 0: |
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for proc in self.interestingProcs: |
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# prettyOut += "%s %s - time:%s\n" % (proc[0],proc[1],proc[13]) |
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prettyOut[proc[0]] = proc[1] |
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if self.pidlist is True: |
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pidlist = ' '.join(prettyOut.keys()) |
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sys.stderr.write(pidlist) |
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print(json.dumps(prettyOut)) |
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if __name__ == '__main__': |
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if "pidlist" in sys.argv: |
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pidlist = True |
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else: |
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pidlist = False |
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foo = CheckProcs() |
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foo.setup(debug=False, pidlist=pidlist) |
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foo.run(sys.argv[1], sys.argv[2]) |
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