| # 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) |
