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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.
import socket
import SocketServer
import threading
try:
import ujson as json
except:
import json
from . import constants
from ..objects import peer
STARTUP_REQUEST = "V8 test peer starting up"
STARTUP_RESPONSE = "Let's rock some tests!"
EXIT_REQUEST = "V8 testing peer going down"
def GetOwnIP():
s = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
s.connect(("8.8.8.8", 80))
ip = s.getsockname()[0]
s.close()
return ip
class PresenceHandler(SocketServer.BaseRequestHandler):
def handle(self):
data = json.loads(self.request[0].strip())
if data[0] == STARTUP_REQUEST:
jobs = data[1]
relative_perf = data[2]
pubkey_fingerprint = data[3]
trusted = self.server.daemon.IsTrusted(pubkey_fingerprint)
response = [STARTUP_RESPONSE, self.server.daemon.jobs,
self.server.daemon.relative_perf,
self.server.daemon.pubkey_fingerprint, trusted]
response = json.dumps(response)
self.server.SendTo(self.client_address[0], response)
p = peer.Peer(self.client_address[0], jobs, relative_perf,
pubkey_fingerprint)
p.trusted = trusted
self.server.daemon.AddPeer(p)
elif data[0] == STARTUP_RESPONSE:
jobs = data[1]
perf = data[2]
pubkey_fingerprint = data[3]
p = peer.Peer(self.client_address[0], jobs, perf, pubkey_fingerprint)
p.trusted = self.server.daemon.IsTrusted(pubkey_fingerprint)
p.trusting_me = data[4]
self.server.daemon.AddPeer(p)
elif data[0] == EXIT_REQUEST:
self.server.daemon.DeletePeer(self.client_address[0])
if self.client_address[0] == self.server.daemon.ip:
self.server.shutdown_lock.release()
class PresenceDaemon(SocketServer.ThreadingMixIn, SocketServer.UDPServer):
def __init__(self, daemon):
self.daemon = daemon
address = (daemon.ip, constants.PRESENCE_PORT)
SocketServer.UDPServer.__init__(self, address, PresenceHandler)
self.shutdown_lock = threading.Lock()
def shutdown(self):
self.shutdown_lock.acquire()
self.SendToAll(json.dumps([EXIT_REQUEST]))
self.shutdown_lock.acquire()
self.shutdown_lock.release()
SocketServer.UDPServer.shutdown(self)
def SendTo(self, target, message):
sock = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
sock.sendto(message, (target, constants.PRESENCE_PORT))
sock.close()
def SendToAll(self, message):
sock = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
ip = self.daemon.ip.split(".")
for i in range(1, 254):
ip[-1] = str(i)
sock.sendto(message, (".".join(ip), constants.PRESENCE_PORT))
sock.close()
def FindPeers(self):
request = [STARTUP_REQUEST, self.daemon.jobs, self.daemon.relative_perf,
self.daemon.pubkey_fingerprint]
request = json.dumps(request)
self.SendToAll(request)
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