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# Copyright 2012 the V8 project authors. All rights reserved.
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions are
# met:
#
# * Redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer.
# * Redistributions in binary form must reproduce the above
# copyright notice, this list of conditions and the following
# disclaimer in the documentation and/or other materials provided
# with the distribution.
# * Neither the name of Google Inc. nor the names of its
# contributors may be used to endorse or promote products derived
# from this software without specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
class Peer(object):
def __init__(self, address, jobs, rel_perf, pubkey):
self.address = address # string: IP address
self.jobs = jobs # integer: number of CPUs
self.relative_performance = rel_perf
self.pubkey = pubkey # string: pubkey's fingerprint
self.shells = set() # set of strings
self.needed_work = 0
self.assigned_work = 0
self.tests = [] # list of TestCase objects
self.trusting_me = False # This peer trusts my public key.
self.trusted = False # I trust this peer's public key.
def __str__(self):
return ("Peer at %s, jobs: %d, performance: %.2f, trust I/O: %s/%s" %
(self.address, self.jobs, self.relative_performance,
self.trusting_me, self.trusted))
def AddTests(self, shell):
"""Adds tests from |shell| to this peer.
Stops when self.needed_work reaches zero, or when all of shell's tests
are assigned."""
assert self.needed_work > 0
if shell.shell not in self.shells:
self.shells.add(shell.shell)
while len(shell.tests) > 0 and self.needed_work > 0:
t = shell.tests.pop()
self.needed_work -= t.duration
self.assigned_work += t.duration
shell.total_duration -= t.duration
self.tests.append(t)
def ForceAddOneTest(self, test, shell):
"""Forcibly adds another test to this peer, disregarding needed_work."""
if shell.shell not in self.shells:
self.shells.add(shell.shell)
self.needed_work -= test.duration
self.assigned_work += test.duration
shell.total_duration -= test.duration
self.tests.append(test)
def Pack(self):
"""Creates a JSON serializable representation of this Peer."""
return [self.address, self.jobs, self.relative_performance]
@staticmethod
def Unpack(packed):
"""Creates a Peer object built from a packed representation."""
pubkey_dummy = "" # Callers of this don't care (only the server does).
return Peer(packed[0], packed[1], packed[2], pubkey_dummy)