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| 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 import socket |
| 30 import SocketServer |
| 31 import threading |
| 32 try: |
| 33 import ujson as json |
| 34 except: |
| 35 import json |
| 36 |
| 37 from . import constants |
| 38 from ..objects import peer |
| 39 |
| 40 |
| 41 STARTUP_REQUEST = "V8 test peer starting up" |
| 42 STARTUP_RESPONSE = "Let's rock some tests!" |
| 43 EXIT_REQUEST = "V8 testing peer going down" |
| 44 |
| 45 |
| 46 def GetOwnIP(): |
| 47 s = socket.socket(socket.AF_INET, socket.SOCK_DGRAM) |
| 48 s.connect(("8.8.8.8", 80)) |
| 49 ip = s.getsockname()[0] |
| 50 s.close() |
| 51 return ip |
| 52 |
| 53 |
| 54 class PresenceHandler(SocketServer.BaseRequestHandler): |
| 55 |
| 56 def handle(self): |
| 57 data = json.loads(self.request[0].strip()) |
| 58 |
| 59 if data[0] == STARTUP_REQUEST: |
| 60 jobs = data[1] |
| 61 relative_perf = data[2] |
| 62 pubkey_fingerprint = data[3] |
| 63 trusted = self.server.daemon.IsTrusted(pubkey_fingerprint) |
| 64 response = [STARTUP_RESPONSE, self.server.daemon.jobs, |
| 65 self.server.daemon.relative_perf, |
| 66 self.server.daemon.pubkey_fingerprint, trusted] |
| 67 response = json.dumps(response) |
| 68 self.server.SendTo(self.client_address[0], response) |
| 69 p = peer.Peer(self.client_address[0], jobs, relative_perf, |
| 70 pubkey_fingerprint) |
| 71 p.trusted = trusted |
| 72 self.server.daemon.AddPeer(p) |
| 73 |
| 74 elif data[0] == STARTUP_RESPONSE: |
| 75 jobs = data[1] |
| 76 perf = data[2] |
| 77 pubkey_fingerprint = data[3] |
| 78 p = peer.Peer(self.client_address[0], jobs, perf, pubkey_fingerprint) |
| 79 p.trusted = self.server.daemon.IsTrusted(pubkey_fingerprint) |
| 80 p.trusting_me = data[4] |
| 81 self.server.daemon.AddPeer(p) |
| 82 |
| 83 elif data[0] == EXIT_REQUEST: |
| 84 self.server.daemon.DeletePeer(self.client_address[0]) |
| 85 if self.client_address[0] == self.server.daemon.ip: |
| 86 self.server.shutdown_lock.release() |
| 87 |
| 88 |
| 89 class PresenceDaemon(SocketServer.ThreadingMixIn, SocketServer.UDPServer): |
| 90 def __init__(self, daemon): |
| 91 self.daemon = daemon |
| 92 address = (daemon.ip, constants.PRESENCE_PORT) |
| 93 SocketServer.UDPServer.__init__(self, address, PresenceHandler) |
| 94 self.shutdown_lock = threading.Lock() |
| 95 |
| 96 def shutdown(self): |
| 97 self.shutdown_lock.acquire() |
| 98 self.SendToAll(json.dumps([EXIT_REQUEST])) |
| 99 self.shutdown_lock.acquire() |
| 100 self.shutdown_lock.release() |
| 101 SocketServer.UDPServer.shutdown(self) |
| 102 |
| 103 def SendTo(self, target, message): |
| 104 sock = socket.socket(socket.AF_INET, socket.SOCK_DGRAM) |
| 105 sock.sendto(message, (target, constants.PRESENCE_PORT)) |
| 106 sock.close() |
| 107 |
| 108 def SendToAll(self, message): |
| 109 sock = socket.socket(socket.AF_INET, socket.SOCK_DGRAM) |
| 110 ip = self.daemon.ip.split(".") |
| 111 for i in range(1, 254): |
| 112 ip[-1] = str(i) |
| 113 sock.sendto(message, (".".join(ip), constants.PRESENCE_PORT)) |
| 114 sock.close() |
| 115 |
| 116 def FindPeers(self): |
| 117 request = [STARTUP_REQUEST, self.daemon.jobs, self.daemon.relative_perf, |
| 118 self.daemon.pubkey_fingerprint] |
| 119 request = json.dumps(request) |
| 120 self.SendToAll(request) |
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