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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
29import socket
30import SocketServer
31import StringIO
32
33from . import compression
34from . import constants
35
36
37def LocalQuery(query):
38  sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
39  code = sock.connect_ex(("localhost", constants.CLIENT_PORT))
40  if code != 0: return None
41  compression.Send(query, sock)
42  compression.Send(constants.END_OF_STREAM, sock)
43  rec = compression.Receiver(sock)
44  data = None
45  while not rec.IsDone():
46    data = rec.Current()
47    assert data[0] == query[0]
48    data = data[1]
49    rec.Advance()
50  sock.close()
51  return data
52
53
54class LocalHandler(SocketServer.BaseRequestHandler):
55  def handle(self):
56    rec = compression.Receiver(self.request)
57    while not rec.IsDone():
58      data = rec.Current()
59      action = data[0]
60
61      if action == constants.REQUEST_PEERS:
62        with self.server.daemon.peer_list_lock:
63          response = [ p.Pack() for p in self.server.daemon.peers
64                       if p.trusting_me ]
65        compression.Send([action, response], self.request)
66
67      elif action == constants.UNRESPONSIVE_PEER:
68        self.server.daemon.DeletePeer(data[1])
69
70      elif action == constants.REQUEST_PUBKEY_FINGERPRINT:
71        compression.Send([action, self.server.daemon.pubkey_fingerprint],
72                         self.request)
73
74      elif action == constants.REQUEST_STATUS:
75        compression.Send([action, self._GetStatusMessage()], self.request)
76
77      elif action == constants.ADD_TRUSTED:
78        fingerprint = self.server.daemon.CopyToTrusted(data[1])
79        compression.Send([action, fingerprint], self.request)
80
81      elif action == constants.INFORM_DURATION:
82        test_key = data[1]
83        test_duration = data[2]
84        arch = data[3]
85        mode = data[4]
86        self.server.daemon.AddPerfData(test_key, test_duration, arch, mode)
87
88      elif action == constants.UPDATE_PERF:
89        address = data[1]
90        perf = data[2]
91        self.server.daemon.UpdatePeerPerformance(data[1], data[2])
92
93      rec.Advance()
94    compression.Send(constants.END_OF_STREAM, self.request)
95
96  def _GetStatusMessage(self):
97    sio = StringIO.StringIO()
98    sio.write("Peers:\n")
99    with self.server.daemon.peer_list_lock:
100      for p in self.server.daemon.peers:
101        sio.write("%s\n" % p)
102    sio.write("My own jobs: %d, relative performance: %.2f\n" %
103              (self.server.daemon.jobs, self.server.daemon.relative_perf))
104    # Low-priority TODO: Return more information. Ideas:
105    #   - currently running anything,
106    #   - time since last job,
107    #   - time since last repository fetch
108    #   - number of workpackets/testcases handled since startup
109    #   - slowest test(s)
110    result = sio.getvalue()
111    sio.close()
112    return result
113
114
115class LocalSocketServer(SocketServer.ThreadingMixIn, SocketServer.TCPServer):
116  def __init__(self, daemon):
117    SocketServer.TCPServer.__init__(self, ("localhost", constants.CLIENT_PORT),
118                                    LocalHandler)
119    self.daemon = daemon
120