1 # Copyright 2012 the V8 project authors. All rights reserved. 2 # Redistribution and use in source and binary forms, with or without 3 # modification, are permitted provided that the following conditions are 4 # met: 5 # 6 # * Redistributions of source code must retain the above copyright 7 # notice, this list of conditions and the following disclaimer. 8 # * Redistributions in binary form must reproduce the above 9 # copyright notice, this list of conditions and the following 10 # disclaimer in the documentation and/or other materials provided 11 # with the distribution. 12 # * Neither the name of Google Inc. nor the names of its 13 # contributors may be used to endorse or promote products derived 14 # from this software without specific prior written permission. 15 # 16 # THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 17 # "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 18 # LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 19 # A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 20 # OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 21 # SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 22 # LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 23 # DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 24 # THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 25 # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 26 # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 27 28 29 class Peer(object): 30 def __init__(self, address, jobs, rel_perf, pubkey): 31 self.address = address # string: IP address 32 self.jobs = jobs # integer: number of CPUs 33 self.relative_performance = rel_perf 34 self.pubkey = pubkey # string: pubkey's fingerprint 35 self.shells = set() # set of strings 36 self.needed_work = 0 37 self.assigned_work = 0 38 self.tests = [] # list of TestCase objects 39 self.trusting_me = False # This peer trusts my public key. 40 self.trusted = False # I trust this peer's public key. 41 42 def __str__(self): 43 return ("Peer at %s, jobs: %d, performance: %.2f, trust I/O: %s/%s" % 44 (self.address, self.jobs, self.relative_performance, 45 self.trusting_me, self.trusted)) 46 47 def AddTests(self, shell): 48 """Adds tests from |shell| to this peer. 49 50 Stops when self.needed_work reaches zero, or when all of shell's tests 51 are assigned.""" 52 assert self.needed_work > 0 53 if shell.shell not in self.shells: 54 self.shells.add(shell.shell) 55 while len(shell.tests) > 0 and self.needed_work > 0: 56 t = shell.tests.pop() 57 self.needed_work -= t.duration 58 self.assigned_work += t.duration 59 shell.total_duration -= t.duration 60 self.tests.append(t) 61 62 def ForceAddOneTest(self, test, shell): 63 """Forcibly adds another test to this peer, disregarding needed_work.""" 64 if shell.shell not in self.shells: 65 self.shells.add(shell.shell) 66 self.needed_work -= test.duration 67 self.assigned_work += test.duration 68 shell.total_duration -= test.duration 69 self.tests.append(test) 70 71 72 def Pack(self): 73 """Creates a JSON serializable representation of this Peer.""" 74 return [self.address, self.jobs, self.relative_performance] 75 76 @staticmethod 77 def Unpack(packed): 78 """Creates a Peer object built from a packed representation.""" 79 pubkey_dummy = "" # Callers of this don't care (only the server does). 80 return Peer(packed[0], packed[1], packed[2], pubkey_dummy) 81
