+++ /dev/null
-import sys
-
-import socket
-import struct
-
-#The following is not essential
-#from soaplib.wsgi_soap import SimpleWSGISoapApp
-#from soaplib.serializers.primitive import *
-#from soaplib.serializers.clazz import *
-
-from sfa.util.faults import *
-from sfa.util.xrn import urn_to_hrn
-from sfa.server.registry import Registries
-from sfa.util.config import Config
-from sfa.plc.nodes import *
-from sfa.util.callids import Callids
-
-# Message IDs for all the SFA light calls
-# This will be used by the aggrMgr controller
-SFA_GET_RESOURCES = 101
-SFA_CREATE_SLICE = 102
-SFA_START_SLICE = 103
-SFA_STOP_SLICE = 104
-SFA_DELETE_SLICE = 105
-SFA_GET_SLICES = 106
-SFA_RESET_SLICES = 107
-
-DEBUG = 1
-
-def print_buffer(buf):
- for i in range(0,len(buf)):
- print('%x' % buf[i])
-
-def extract(sock):
- # Shud we first obtain the message length?
- # msg_len = socket.ntohs(sock.recv(2))
- msg = ""
-
- while (1):
- try:
- chunk = sock.recv(1)
- except socket.error, message:
- if 'timed out' in message:
- break
- else:
- sys.exit("Socket error: " + message)
-
- if len(chunk) == 0:
- break
- msg += chunk
-
- print 'Done extracting %d bytes of response from aggrMgr' % len(msg)
- return msg
-
-def connect(server, port):
- '''Connect to the Aggregate Manager module'''
- sock = socket.socket ( socket.AF_INET, socket.SOCK_STREAM )
- sock.connect ( ( server, port) )
- sock.settimeout(1)
- if DEBUG: print 'Connected!'
- return sock
-
-def connect_aggrMgr():
- (aggr_mgr_ip, aggr_mgr_port) = Config().get_openflow_aggrMgr_info()
- if DEBUG: print """Connecting to port %d of %s""" % (aggr_mgr_port, aggr_mgr_ip)
- return connect(aggr_mgr_ip, aggr_mgr_port)
-
-def generate_slide_id(cred, hrn):
- if cred == None:
- cred = ""
- if hrn == None:
- hrn = ""
- #return cred + '_' + hrn
- return str(hrn)
-
-def msg_aggrMgr(cred, hrn, msg_id):
- slice_id = generate_slide_id(cred, hrn)
-
- msg = struct.pack('> B%ds' % len(slice_id), msg_id, slice_id)
- buf = struct.pack('> H', len(msg)+2) + msg
-
- try:
- aggrMgr_sock = connect_aggrMgr()
- aggrMgr_sock.send(buf)
- aggrMgr_sock.close()
- return 1
- except socket.error, message:
- print "Socket error"
- except IOerror, message:
- print "IO error"
- return 0
-
-def start_slice(cred, xrn):
- hrn = urn_to_hrn(xrn)[0]
- if DEBUG: print "Received start_slice call"
- return msg_aggrMgr(SFA_START_SLICE)
-
-def stop_slice(cred, xrn):
- hrn = urn_to_hrn(xrn)[0]
- if DEBUG: print "Received stop_slice call"
- return msg_aggrMgr(SFA_STOP_SLICE)
-
-def DeleteSliver(cred, xrn, call_id):
- if Callids().already_handled(call_id): return ""
- hrn = urn_to_hrn(xrn)[0]
- if DEBUG: print "Received DeleteSliver call"
- return msg_aggrMgr(SFA_DELETE_SLICE)
-
-def reset_slices(cred, xrn):
- hrn = urn_to_hrn(xrn)[0]
- if DEBUG: print "Received reset_slices call"
- return msg_aggrMgr(SFA_RESET_SLICES)
-
-### Thierry: xxx this should ahve api as a first arg - probably outdated
-def CreateSliver(cred, xrn, rspec, call_id):
- if Callids().already_handled(call_id): return ""
-
- hrn = urn_to_hrn(xrn)[0]
- if DEBUG: print "Received CreateSliver call"
- slice_id = generate_slide_id(cred, hrn)
-
- msg = struct.pack('> B%ds%ds' % (len(slice_id)+1, len(rspec)), SFA_CREATE_SLICE, slice_id, rspec)
- buf = struct.pack('> H', len(msg)+2) + msg
-
- try:
- aggrMgr_sock = connect_aggrMgr()
- aggrMgr_sock.send(buf)
- if DEBUG: print "Sent %d bytes and closing connection" % len(buf)
- aggrMgr_sock.close()
-
- if DEBUG: print "----------------"
- return rspec
- except socket.error, message:
- print "Socket error"
- except IOerror, message:
- print "IO error"
- return ""
-
-# Thierry : xxx this would need to handle call_id like the other AMs but is outdated...
-def ListResources(cred, xrn=None):
- hrn = urn_to_hrn(xrn)[0]
- if DEBUG: print "Received ListResources call"
- slice_id = generate_slide_id(cred, hrn)
-
- msg = struct.pack('> B%ds' % len(slice_id), SFA_GET_RESOURCES, slice_id)
- buf = struct.pack('> H', len(msg)+2) + msg
-
- try:
- aggrMgr_sock = connect_aggrMgr()
- aggrMgr_sock.send(buf)
- resource_list = extract(aggrMgr_sock);
- aggrMgr_sock.close()
-
- if DEBUG: print "----------------"
- return resource_list
- except socket.error, message:
- print "Socket error"
- except IOerror, message:
- print "IO error"
- return None
-
-"""
-Returns the request context required by sfatables. At some point, this mechanism should be changed
-to refer to "contexts", which is the information that sfatables is requesting. But for now, we just
-return the basic information needed in a dict.
-"""
-def fetch_context(slice_hrn, user_hrn, contexts):
- base_context = {'sfa':{'user':{'hrn':user_hrn}}}
- return base_context
-
-def main():
- r = RSpec()
- r.parseFile(sys.argv[1])
- rspec = r.toDict()
- CreateSliver(None,'plc',rspec,'call-id-plc')
-
-if __name__ == "__main__":
- main()