author | bugtracker-ml@nttdocomo.com |
Tue, 06 Apr 2010 17:00:22 +0100 | |
changeset 56 | f24810eebc6b |
parent 1 | 2fb8b9db1c86 |
permissions | -rw-r--r-- |
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2fb8b9db1c86
Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
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# |
2fb8b9db1c86
Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
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# Example where a pool of http servers share a single listening socket |
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Initial QEMU (symbian-qemu-0.9.1-12) import
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# |
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Initial QEMU (symbian-qemu-0.9.1-12) import
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# On Windows this module depends on the ability to pickle a socket |
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Initial QEMU (symbian-qemu-0.9.1-12) import
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# object so that the worker processes can inherit a copy of the server |
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Initial QEMU (symbian-qemu-0.9.1-12) import
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# object. (We import `multiprocessing.reduction` to enable this pickling.) |
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Initial QEMU (symbian-qemu-0.9.1-12) import
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parents:
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7 |
# |
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Initial QEMU (symbian-qemu-0.9.1-12) import
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# Not sure if we should synchronize access to `socket.accept()` method by |
2fb8b9db1c86
Initial QEMU (symbian-qemu-0.9.1-12) import
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# using a process-shared lock -- does not seem to be necessary. |
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Initial QEMU (symbian-qemu-0.9.1-12) import
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# |
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Initial QEMU (symbian-qemu-0.9.1-12) import
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11 |
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Initial QEMU (symbian-qemu-0.9.1-12) import
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import os |
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Initial QEMU (symbian-qemu-0.9.1-12) import
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import sys |
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Initial QEMU (symbian-qemu-0.9.1-12) import
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Initial QEMU (symbian-qemu-0.9.1-12) import
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from multiprocessing import Process, current_process, freeze_support |
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Initial QEMU (symbian-qemu-0.9.1-12) import
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from BaseHTTPServer import HTTPServer |
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Initial QEMU (symbian-qemu-0.9.1-12) import
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from SimpleHTTPServer import SimpleHTTPRequestHandler |
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Initial QEMU (symbian-qemu-0.9.1-12) import
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Initial QEMU (symbian-qemu-0.9.1-12) import
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if sys.platform == 'win32': |
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Initial QEMU (symbian-qemu-0.9.1-12) import
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import multiprocessing.reduction # make sockets pickable/inheritable |
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Initial QEMU (symbian-qemu-0.9.1-12) import
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Initial QEMU (symbian-qemu-0.9.1-12) import
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Initial QEMU (symbian-qemu-0.9.1-12) import
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def note(format, *args): |
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Initial QEMU (symbian-qemu-0.9.1-12) import
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sys.stderr.write('[%s]\t%s\n' % (current_process().name, format%args)) |
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Initial QEMU (symbian-qemu-0.9.1-12) import
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Initial QEMU (symbian-qemu-0.9.1-12) import
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Initial QEMU (symbian-qemu-0.9.1-12) import
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class RequestHandler(SimpleHTTPRequestHandler): |
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Initial QEMU (symbian-qemu-0.9.1-12) import
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# we override log_message() to show which process is handling the request |
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Initial QEMU (symbian-qemu-0.9.1-12) import
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def log_message(self, format, *args): |
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note(format, *args) |
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def serve_forever(server): |
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Initial QEMU (symbian-qemu-0.9.1-12) import
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note('starting server') |
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Initial QEMU (symbian-qemu-0.9.1-12) import
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try: |
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Initial QEMU (symbian-qemu-0.9.1-12) import
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server.serve_forever() |
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Initial QEMU (symbian-qemu-0.9.1-12) import
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except KeyboardInterrupt: |
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Initial QEMU (symbian-qemu-0.9.1-12) import
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pass |
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Initial QEMU (symbian-qemu-0.9.1-12) import
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Initial QEMU (symbian-qemu-0.9.1-12) import
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Initial QEMU (symbian-qemu-0.9.1-12) import
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def runpool(address, number_of_processes): |
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Initial QEMU (symbian-qemu-0.9.1-12) import
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# create a single server object -- children will each inherit a copy |
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Initial QEMU (symbian-qemu-0.9.1-12) import
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server = HTTPServer(address, RequestHandler) |
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Initial QEMU (symbian-qemu-0.9.1-12) import
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Initial QEMU (symbian-qemu-0.9.1-12) import
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# create child processes to act as workers |
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Initial QEMU (symbian-qemu-0.9.1-12) import
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for i in range(number_of_processes-1): |
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Initial QEMU (symbian-qemu-0.9.1-12) import
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Process(target=serve_forever, args=(server,)).start() |
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Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
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Initial QEMU (symbian-qemu-0.9.1-12) import
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# main process also acts as a worker |
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Initial QEMU (symbian-qemu-0.9.1-12) import
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parents:
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serve_forever(server) |
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Initial QEMU (symbian-qemu-0.9.1-12) import
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Initial QEMU (symbian-qemu-0.9.1-12) import
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Initial QEMU (symbian-qemu-0.9.1-12) import
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def test(): |
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Initial QEMU (symbian-qemu-0.9.1-12) import
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DIR = os.path.join(os.path.dirname(__file__), '..') |
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Initial QEMU (symbian-qemu-0.9.1-12) import
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ADDRESS = ('localhost', 8000) |
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Initial QEMU (symbian-qemu-0.9.1-12) import
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NUMBER_OF_PROCESSES = 4 |
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Initial QEMU (symbian-qemu-0.9.1-12) import
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Initial QEMU (symbian-qemu-0.9.1-12) import
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print 'Serving at http://%s:%d using %d worker processes' % \ |
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Initial QEMU (symbian-qemu-0.9.1-12) import
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(ADDRESS[0], ADDRESS[1], NUMBER_OF_PROCESSES) |
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Initial QEMU (symbian-qemu-0.9.1-12) import
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print 'To exit press Ctrl-' + ['C', 'Break'][sys.platform=='win32'] |
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Initial QEMU (symbian-qemu-0.9.1-12) import
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Initial QEMU (symbian-qemu-0.9.1-12) import
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os.chdir(DIR) |
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Initial QEMU (symbian-qemu-0.9.1-12) import
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parents:
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runpool(ADDRESS, NUMBER_OF_PROCESSES) |
2fb8b9db1c86
Initial QEMU (symbian-qemu-0.9.1-12) import
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parents:
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Initial QEMU (symbian-qemu-0.9.1-12) import
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parents:
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Initial QEMU (symbian-qemu-0.9.1-12) import
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if __name__ == '__main__': |
2fb8b9db1c86
Initial QEMU (symbian-qemu-0.9.1-12) import
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parents:
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freeze_support() |
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Initial QEMU (symbian-qemu-0.9.1-12) import
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parents:
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test() |