103 lines
3.3 KiB
Python
103 lines
3.3 KiB
Python
# -*- coding: utf-8 -*-
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##############################################################################
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#
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# OpenERP, Open Source Management Solution
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# Copyright (C) 2004-2009 Tiny SPRL (<http://tiny.be>).
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#
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU Affero General Public License as
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# published by the Free Software Foundation, either version 3 of the
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# License, or (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU Affero General Public License for more details.
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#
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# You should have received a copy of the GNU Affero General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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#
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##############################################################################
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import socket
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import cPickle
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import cStringIO
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import netsvc
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#.apidoc title: Net-RPC classes
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# Pickle protocol version 2 is optimized compared to default (version 0)
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PICKLE_PROTOCOL = 2
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class Myexception(Exception):
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"""
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custom exception object store
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* faultcode
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* faulestring
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* args
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"""
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def __init__(self, faultCode, faultString):
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self.faultCode = faultCode
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self.faultString = faultString
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self.args = (faultCode, faultString)
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class mysocket:
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def __init__(self, sock=None):
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if sock is None:
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self.sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
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else:
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self.sock = sock
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# self.sock.settimeout(120)
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# prepare this socket for long operations: it may block for infinite
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# time, but should exit as soon as the net is down
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self.sock.setsockopt(socket.SOL_SOCKET, socket.SO_KEEPALIVE, 1)
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def connect(self, host, port=False):
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if not port:
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protocol, buf = host.split('//')
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host, port = buf.split(':')
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self.sock.connect((host, int(port)))
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def disconnect(self):
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netsvc.close_socket(self.sock)
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def mysend(self, msg, exception=False, traceback=None):
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msg = cPickle.dumps([msg, traceback], PICKLE_PROTOCOL)
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self.sock.sendall('%8d%d%s' % (len(msg), bool(exception), msg))
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def myreceive(self):
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buf=''
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while len(buf) < 9:
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chunk = self.sock.recv(9 - len(buf))
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if not chunk:
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raise socket.timeout
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buf += chunk
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size = int(buf[:8])
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if buf[8] != "0":
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exception = buf[8]
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else:
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exception = False
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msg = ''
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while len(msg) < size:
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chunk = self.sock.recv(size-len(msg))
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if not chunk:
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raise socket.timeout
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msg = msg + chunk
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msgio = cStringIO.StringIO(msg)
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unpickler = cPickle.Unpickler(msgio)
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unpickler.find_global = None
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res = unpickler.load()
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if isinstance(res[0],Exception):
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if exception:
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raise Myexception(str(res[0]), str(res[1]))
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raise res[0]
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else:
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return res[0]
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# vim:expandtab:smartindent:tabstop=4:softtabstop=4:shiftwidth=4:
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