mbligh | 15971eb | 2009-12-29 02:55:23 +0000 | [diff] [blame^] | 1 | import itertools |
jadmanski | 91cd58c | 2008-12-02 15:34:53 +0000 | [diff] [blame] | 2 | import common |
| 3 | |
jadmanski | 043e113 | 2008-11-19 17:10:32 +0000 | [diff] [blame] | 4 | |
mbligh | 15971eb | 2009-12-29 02:55:23 +0000 | [diff] [blame^] | 5 | def _get_unpassable_types(arg): |
jadmanski | 043e113 | 2008-11-19 17:10:32 +0000 | [diff] [blame] | 6 | """ Given an argument, returns a set of types contained in arg that are |
| 7 | unpassable. If arg is an atomic type (e.g. int) it either returns an |
| 8 | empty set (if the type is passable) or a singleton of the type (if the |
| 9 | type is not passable). """ |
| 10 | if isinstance(arg, (basestring, int, long)): |
| 11 | return set() |
| 12 | elif isinstance(arg, (list, tuple, set, frozenset, dict)): |
| 13 | if isinstance(arg, dict): |
| 14 | # keys and values must both be passable |
| 15 | parts = itertools.chain(arg.iterkeys(), arg.itervalues()) |
| 16 | else: |
| 17 | # for all other containers we just iterate |
| 18 | parts = iter(arg) |
| 19 | types = set() |
| 20 | for part in parts: |
mbligh | 15971eb | 2009-12-29 02:55:23 +0000 | [diff] [blame^] | 21 | types |= _get_unpassable_types(part) |
jadmanski | 043e113 | 2008-11-19 17:10:32 +0000 | [diff] [blame] | 22 | return types |
| 23 | else: |
| 24 | return set([type(arg)]) |
| 25 | |
| 26 | |
mbligh | 15971eb | 2009-12-29 02:55:23 +0000 | [diff] [blame^] | 27 | def _validate_args(args): |
jadmanski | 043e113 | 2008-11-19 17:10:32 +0000 | [diff] [blame] | 28 | """ Validates arguments. Lists and dictionaries are valid argument types, |
| 29 | so you can pass *args and **dargs in directly, rather than having to |
| 30 | iterate over them yourself. """ |
mbligh | 15971eb | 2009-12-29 02:55:23 +0000 | [diff] [blame^] | 31 | unpassable_types = _get_unpassable_types(args) |
jadmanski | 043e113 | 2008-11-19 17:10:32 +0000 | [diff] [blame] | 32 | if unpassable_types: |
| 33 | msg = "arguments of type '%s' cannot be passed to remote profilers" |
| 34 | msg %= ", ".join(t.__name__ for t in unpassable_types) |
| 35 | raise TypeError(msg) |
| 36 | |
| 37 | |
| 38 | class profiler_proxy(object): |
| 39 | """ This is a server-side class that acts as a proxy to a real client-side |
| 40 | profiler class.""" |
| 41 | |
mbligh | 15971eb | 2009-12-29 02:55:23 +0000 | [diff] [blame^] | 42 | def __init__(self, profiler_name): |
jadmanski | 043e113 | 2008-11-19 17:10:32 +0000 | [diff] [blame] | 43 | self.name = profiler_name |
jadmanski | 043e113 | 2008-11-19 17:10:32 +0000 | [diff] [blame] | 44 | |
jadmanski | 91cd58c | 2008-12-02 15:34:53 +0000 | [diff] [blame] | 45 | # does the profiler support rebooting? |
| 46 | profiler_module = common.setup_modules.import_module( |
| 47 | profiler_name, "autotest_lib.client.profilers.%s" % profiler_name) |
| 48 | profiler_class = getattr(profiler_module, profiler_name) |
| 49 | self.supports_reboot = profiler_class.supports_reboot |
| 50 | |
jadmanski | 043e113 | 2008-11-19 17:10:32 +0000 | [diff] [blame] | 51 | |
jadmanski | 043e113 | 2008-11-19 17:10:32 +0000 | [diff] [blame] | 52 | def initialize(self, *args, **dargs): |
mbligh | 15971eb | 2009-12-29 02:55:23 +0000 | [diff] [blame^] | 53 | _validate_args(args) |
| 54 | _validate_args(dargs) |
mbligh | b3c0c91 | 2008-11-27 00:32:45 +0000 | [diff] [blame] | 55 | self.args, self.dargs = args, dargs |
| 56 | |
| 57 | |
| 58 | def setup(self, *args, **dargs): |
| 59 | assert self.args == args and self.dargs == dargs |
| 60 | # the actual setup happens lazily at start() |
| 61 | |
| 62 | |
jadmanski | 4f90925 | 2008-12-01 20:47:10 +0000 | [diff] [blame] | 63 | def start(self, test, host=None): |
mbligh | 15971eb | 2009-12-29 02:55:23 +0000 | [diff] [blame^] | 64 | raise NotImplementedError('start not implemented') |
jadmanski | 043e113 | 2008-11-19 17:10:32 +0000 | [diff] [blame] | 65 | |
| 66 | |
jadmanski | 4f90925 | 2008-12-01 20:47:10 +0000 | [diff] [blame] | 67 | def stop(self, test, host=None): |
mbligh | 15971eb | 2009-12-29 02:55:23 +0000 | [diff] [blame^] | 68 | raise NotImplementedError('stop not implemented') |
jadmanski | 043e113 | 2008-11-19 17:10:32 +0000 | [diff] [blame] | 69 | |
| 70 | |
jadmanski | 4f90925 | 2008-12-01 20:47:10 +0000 | [diff] [blame] | 71 | def report(self, test, host=None, wait_on_client=True): |
mbligh | 15971eb | 2009-12-29 02:55:23 +0000 | [diff] [blame^] | 72 | raise NotImplementedError('report not implemented') |