First commit of new tools/run-tests.py

tools/testrunner/server/presence_handler.py

Index: tools/testrunner/server/presence_handler.py
diff --git a/tools/testrunner/server/presence_handler.py b/tools/testrunner/server/presence_handler.py
new file mode 100644
index 0000000000000000000000000000000000000000..1dc2ef163ab5b364b38b7357216b4292a3af75e4
--- /dev/null
+++ b/tools/testrunner/server/presence_handler.py
@@ -0,0 +1,120 @@
+# 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)