-
Notifications
You must be signed in to change notification settings - Fork 0
/
client_sync.py
210 lines (172 loc) · 6.93 KB
/
client_sync.py
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
from autobahn.twisted.websocket import WebSocketClientProtocol, WebSocketClientFactory
from twisted.internet.protocol import ReconnectingClientFactory
from autobahn.twisted.choosereactor import install_reactor
import os, sys, logging
import time
import threading
from syncdir import utils
reactor = install_reactor()
class DirManagerThread(threading.Thread):
def __init__(self, dirmanager, rlock):
self.dirmanager = dirmanager
self.rlock = rlock
self.sender = None
def set_sender(self, sender):
self.sender = sender
def run(self):
while True:
time.sleep(0.1)
self.rlock.acquire()
try:
total_change = self.dirmanager.update_status()
except Exception as e:
print(e.message())
self.rlock.release()
continue
finally:
self.rlock.release()
if self.sender is None:
continue
if total_change != 0:
self.sender.send_data()
class SourceSyncProtocol(WebSocketClientProtocol):
def __init__(self, dirmanager_thread, dirmanager, rlock):
self.dirmanager_thread = dirmanager_thread
self.rlock = rlock
self.dirmanager =dirmanager
self.is_busy = False
self.isSending = False
self.index = 0
self.START_HEADER = "START_HEADER"
self.END_HEADER = "END_HEADER"
self.START_DATA = "START_DATA"
self.END_DATA = "END_DATA"
self.FRAGMENT_SIZE = 64
WebSocketClientProtocol.__init__(self)
dirmanager_thread.set_sender(self)
def onConnect(self, response):
print("Server connected: {0}".format(response.peer))
self.factory.resetDelay()
def onOpen(self):
print("WebSocket connection open.")
def sendHello(self):
self.sendMessage("Hello, world!".encode('utf8'))
self.sendMessage(b"\x00\x01\x03\x04", isBinary=True)
def send_data(self):
self.is_sending = True
self.rlock.acquire()
try:
self.safeSendMessage(self.START_HEADER)
for line in self.dirmanager.table:
self.safeSendMessage(line.strip())
self.safeSendMessage(self.END_HEADER)
self.safeSendMessage(self.START_DATA)
#### TODO something
except Exception as e:
pass
finally:
self.is_sending = False
def onMessage(self, payload, isBinary):
if not isBinary:
pass
else:
pass
##@synchronized_with_attr("lock")
def sendMessage(self, payload, isBinary=False, fragmentSize=None):
if fragmentSize == None:
fragmentSize = self.FRAGMENT_SIZE
#super(MerlinClientProtocol,self).sendMessage(payload, isBinary, fragmentSize=fragmentSize)
if not isBinary:
super(SourceSyncProtocol, self).sendMessage(payload, isBinary)
elif fragmentSize == None:
super(SourceSyncProtocol, self).sendMessage(payload, isBinary)
else:
if fragmentSize < 1:
raise Exception("payload fragment size must be at least 1 (was %d)" % fragmentSize)
n = len(payload)
i = 0
while True:
j = i + fragmentSize
if j >= n:
super(SourceSyncProtocol, self).sendMessage(payload[i:n], isBinary)
break
else:
super(SourceSyncProtocol, self).sendMessage(payload[i:j], isBinary)
i = j
def safeSendMessage(self, payload, isBinary=False, fragmentSize=None):
reactor.callFromThread(self.sendMessage,payload,isBinary,fragmentSize)
def onClose(self, wasClean, code, reason):
print("WebSocket connection closed: {0}".format(reason))
if self.is_busy:
if hasattr(self,"communicator"):
self.communicator.signal.stop_signal = True
def release_process(self):
self.is_busy = False
class SourceSyncClientFactory(WebSocketClientFactory, ReconnectingClientFactory):
"""
Example WebSocket client factory. This creates a new instance of our protocol
when the client connects to the server.
"""
def buildProtocol(self, addr):
proto = SourceSyncProtocol(self.dirmanager_thread, self.dirmanager, self.rlock)
proto.factory = self
return proto
def clientConnectionFailed(self, connector, reason):
print("Client connection failed .. retrying ..")
self.retry(connector)
def clientConnectionLost(self, connector, reason):
print("Client connection lost .. retrying ..")
self.retry(connector)
if __name__ == '__main__':
import argparse
from twisted.python import log
from twisted.internet.endpoints import clientFromString
# parse command line arguments
##
parser = argparse.ArgumentParser()
parser.add_argument("--rootdir", default=".")
parser.add_argument("-d", "--debug", action="store_true",
help="Enable debug output.")
parser.add_argument("--websocket", default="unix:/tmp/mywebsocket",
help='WebSocket client Twisted endpoint descriptor, e.g. "tcp:172.1.16.33:9000" or "unix:/tmp/mywebsocket".')
parser.add_argument("--wsurl", default=u"ws://127.0.0.1:9000",
help='WebSocket URL (must suit the endpoint), e.g. ws://127.0.0.1:9000.')
args = parser.parse_args()
# start Twisted logging to stdout
#log.startLogging(sys.stdout)
log.startLogging(sys.stdout)
logger = logging.getLogger("main")
logger.info("hihi")
logger.debug("hihi")
# we use an Autobahn utility to import the "best" available Twisted reactor
# from autobahn.twisted.choosereactor import install_reactor
# reactor = install_reactor()
print("Running on reactor {}".format(reactor))
print("link: %s" % args.websocket)
# start a WebSocket client
wsfactory = SourceSyncClientFactory(args.wsurl)
if not os.path.exists(args.rootdir):
raise IOError("No such file or directory")
checkpoint = os.path.join(args.rootdir, ".checkpoint")
dirmanager = utils.DirManager(checkpoint, args.rootdir)
rlock = threading.RLock()
dirmanager_thread = DirManagerThread(dirmanager, rlock)
wsfactory.dirmanager_thread = dirmanager_thread
wsfactory.dirmanager = dirmanager
wsfactory.dirmanager.rlock = rlock
dirmanager_thread.start()
websocket_params = args.websocket.split(":")
if websocket_params[0] == "unix":
reactor.connectUNIX(websocket_params[1], wsfactory)
elif websocket_params[0] == "tcp":
port = 8081
try:
port = int(websocket_params[2])
except:
print("TCP port parse error")
sys.exit(1)
reactor.connectTCP(websocket_params[1], port, wsfactory)
else:
print("This protocol not be supported yet!")
sys.exit(2)
reactor.run()