| author | greg |
| Fri, 24 Oct 2008 14:01:36 +0200 | |
| changeset 262 | 141a7145c099 |
| parent 217 | f3eb35df4d87 |
| child 606 | 780bd150ebba |
| permissions | -rwxr-xr-x |
| 203 | 1 |
#!/usr/bin/env python |
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# -*- coding: utf-8 -*- |
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#This file is part of Beremiz, a Integrated Development Environment for |
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#programming IEC 61131-3 automates supporting plcopen standard and CanFestival. |
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# |
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#Copyright (C) 2007: Edouard TISSERANT and Laurent BESSARD |
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# |
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#See COPYING file for copyrights details. |
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# |
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#This library is free software; you can redistribute it and/or |
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#modify it under the terms of the GNU General Public |
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#License as published by the Free Software Foundation; either |
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#version 2.1 of the License, or (at your option) any later version. |
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# |
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#This library 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 GNU |
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#General Public License for more details. |
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# |
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#You should have received a copy of the GNU General Public |
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#License along with this library; if not, write to the Free Software |
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#Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
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f3eb35df4d87
Now, Beremiz launch Beremiz_service at startup, with a one-time workin dir
etisserant
parents:
203
diff
changeset
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import Zeroconf, socket |
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class ServicePublisher(): |
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def __init__(self): |
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# type: fully qualified service type name |
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self.service_type = '_PYRO._tcp.local.' |
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# properties: dictionary of properties (or a string holding the bytes for the text field) |
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self.serviceproperties = {'description':'Beremiz remote PLC'}
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self.name = None |
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self.ip_32b = None |
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self.port = None |
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self.server = None |
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self.service_name = None |
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def RegisterService(self, name, ip, port): |
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217
f3eb35df4d87
Now, Beremiz launch Beremiz_service at startup, with a one-time workin dir
etisserant
parents:
203
diff
changeset
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f3eb35df4d87
Now, Beremiz launch Beremiz_service at startup, with a one-time workin dir
etisserant
parents:
203
diff
changeset
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# name: fully qualified service name |
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self.service_name = 'Beremiz_%s.%s'%(name,self.service_type) |
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self.name = name |
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self.port = port |
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217
f3eb35df4d87
Now, Beremiz launch Beremiz_service at startup, with a one-time workin dir
etisserant
parents:
203
diff
changeset
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# No ip params -> get host ip |
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f3eb35df4d87
Now, Beremiz launch Beremiz_service at startup, with a one-time workin dir
etisserant
parents:
203
diff
changeset
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if ip == "": |
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ip = self.gethostaddr() |
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217
f3eb35df4d87
Now, Beremiz launch Beremiz_service at startup, with a one-time workin dir
etisserant
parents:
203
diff
changeset
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print "My IP is :"+ip |
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217
f3eb35df4d87
Now, Beremiz launch Beremiz_service at startup, with a one-time workin dir
etisserant
parents:
203
diff
changeset
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self.server = Zeroconf.Zeroconf(ip) |
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217
f3eb35df4d87
Now, Beremiz launch Beremiz_service at startup, with a one-time workin dir
etisserant
parents:
203
diff
changeset
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f3eb35df4d87
Now, Beremiz launch Beremiz_service at startup, with a one-time workin dir
etisserant
parents:
203
diff
changeset
|
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# address: IP address as unsigned short, network byte order |
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self.ip_32b = socket.inet_aton(ip) |
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217
f3eb35df4d87
Now, Beremiz launch Beremiz_service at startup, with a one-time workin dir
etisserant
parents:
203
diff
changeset
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self.server.registerService( |
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Zeroconf.ServiceInfo(self.service_type, |
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self.service_name, |
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self.ip_32b, |
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self.port, |
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properties = self.serviceproperties)) |
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def UnRegisterService(self): |
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self.server.unregisterService( |
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Zeroconf.ServiceInfo(self.service_type, |
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self.service_name, |
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self.ip_32b, |
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self.port, |
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properties = self.serviceproperties)) |
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self.server.close() |
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del self.server |
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def gethostaddr(self, dst = '224.0.1.41'): |
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s = socket.socket(socket.AF_INET, socket.SOCK_DGRAM) |
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try: |
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s.connect((dst, 7)) |
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(host, port) = s.getsockname() |
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s.close() |
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if host != '0.0.0.0': |
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return host |
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except error: |
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pass |
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return socket.gethostbyname(socket.gethostname()) |