-
Notifications
You must be signed in to change notification settings - Fork 0
/
service.py
163 lines (131 loc) · 5.7 KB
/
service.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
import StringIO
import argparse
import multiprocessing
import socket
import py7zlib
from algebra import ArithmecticPool
from common import get_log, descompress_7zip_stream, END_SEQUENCE
"""
python service.py --verbose --port 12345 --host 127.0.0.1
"""
class Processor:
def __init__(self, client_socket, block_size, log, messages_per_child):
self.messages_per_child = messages_per_child
self.socket = client_socket
self.data = None
self.log = log
self.block_size = block_size
def get_data_from_socket(self):
self.log.info('reading socket ...')
self.data = self.socket.recv(self.block_size)
no_chunks = 1
self.log.debug(' ... chunck read ... %s' % no_chunks)
while self.data[-len(END_SEQUENCE):] != END_SEQUENCE:
no_chunks += 1
self.data += self.socket.recv(self.block_size)
self.log.debug(' ... chunck read ... %s' % no_chunks)
self.data = self.data[:-len(END_SEQUENCE)]
self.log.info(' *** end of reading ***')
self.descompress_data()
def descompress_data(self):
self.log.info(' * descompressing data ...')
data_format = 'unknown'
try:
stream = StringIO.StringIO(self.data)
self.data = descompress_7zip_stream(stream)[0]
data_format = '7z'
except py7zlib.FormatError:
pass
if isinstance(self.data, str):
data_format = 'text'
self.data = self.data.strip('\n')
self.data = [i for i in self.data.split('\n') if i.strip()]
self.log.info(' * data format found: %s' % data_format)
def send_response(self):
self.log.info(' * writting socket ...')
no_childs = min([(len(self.data) / self.messages_per_child),
multiprocessing.cpu_count() * 3])
no_childs = no_childs if no_childs else 1
self.log.debug(' * number of calculated childs: %s' % no_childs)
calulator = ArithmecticPool(no_childs, self.log)
response = calulator.pool_processor(self.data)
data_to_send = "\n".join(response)
self.log.info(' * sever responding ...')
self.socket.send(data_to_send + END_SEQUENCE)
def do_job(self):
self.log.info(' * working ...')
self.get_data_from_socket()
self.send_response()
self.socket.close()
self.log.info(' * end processor ...\n\n')
class ArithmeticService:
def __init__(self, verbose, ip_address, port, no_sockets, block_size, messages_per_child):
self.verbose = verbose
self.messages_per_child = messages_per_child
self.log = get_log('Blueliv-Server', self.verbose)
self.ip_address = ip_address
self.port = port
self.block_size = block_size
self.no_sockets = no_sockets
self.socket = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
self.log.info(' *** server running [ %s:%s ] ***' % (self.ip_address, self.port))
def start_listenning(self):
self.socket.bind((self.ip_address, self.port))
self.socket.listen(self.no_sockets)
def launch_process_message(self, client_socket, address):
log = get_log('Blueliv-Server: conn [ %s:%s ]' % address, self.verbose)
arithmetic_processor = Processor(client_socket, self.block_size, log, self.messages_per_child)
arithmetic_worker = multiprocessing.Process(target=arithmetic_processor.do_job)
arithmetic_worker.start()
def run(self):
self.start_listenning()
while 1:
(client_socket, address) = self.socket.accept()
self.log.info('connetion accepetd %s' % str(address))
self.launch_process_message(client_socket, address)
self.log.info(' *** server stopped ***')
def parse_defult_args(args):
try:
import config
host = args.host or config.default_ip_address
port = args.port or config.default_port
no_sockets = args.no_sockets or config.default_no_sockets
block_size = args.block_size or config.default_socket_block_size
messages_per_child = args.messages_per_child or config.default_messages_per_child
return host, port, no_sockets, block_size, messages_per_child
except ImportError:
return args.host, args.port, args.no_sockets, args.block_size, args.messages_per_child
def main():
parser = argparse.ArgumentParser(description='Blueliv-Arithmetic-Server')
parser.add_argument("--verbose",
help="increase output verbosity",
action="store_true"
)
parser.add_argument("--port",
help="connection port",
type=int
)
parser.add_argument("--host",
help="host ip of the arithmetic server",
)
parser.add_argument("--no_sockets",
type=int,
help="maximun number of server simultaneus conexions",
)
parser.add_argument("--block_size",
type=int,
help="socket reading data size"
)
parser.add_argument("--messages_per_child",
type=int,
help="number of messages to be processed for a arimethic pool worker"
)
args = parser.parse_args()
host, port, no_sockets, block_size, messages_per_child = parse_defult_args(args)
server = ArithmeticService(args.verbose, host, port, no_sockets, block_size, messages_per_child)
try:
server.run()
except KeyboardInterrupt:
log.info(' *** server stopped ***')
if __name__ == '__main__':
main()