| # Copyright 2017-present Open Networking Foundation | |
| # | |
| # Licensed under the Apache License, Version 2.0 (the "License"); | |
| # you may not use this file except in compliance with the License. | |
| # You may obtain a copy of the License at | |
| # | |
| # http://www.apache.org/licenses/LICENSE-2.0 | |
| # | |
| # Unless required by applicable law or agreed to in writing, software | |
| # distributed under the License is distributed on an "AS IS" BASIS, | |
| # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | |
| # See the License for the specific language governing permissions and | |
| # limitations under the License. | |
| # | |
| # Copyright 2016-present Ciena Corporation | |
| # | |
| # Licensed under the Apache License, Version 2.0 (the "License"); | |
| # you may not use this file except in compliance with the License. | |
| # You may obtain a copy of the License at | |
| # | |
| # http://www.apache.org/licenses/LICENSE-2.0 | |
| # | |
| # Unless required by applicable law or agreed to in writing, software | |
| # distributed under the License is distributed on an "AS IS" BASIS, | |
| # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | |
| # See the License for the specific language governing permissions and | |
| # limitations under the License. | |
| # | |
| import yaml, pprint, sys, pdb | |
| stateHash = {} | |
| header = '''#!/usr/bin/env python | |
| ''' | |
| # ---------------------------- DOT ----------------------------------- | |
| colorList = ['aquamarine4', 'crimson', 'chartreuse4', 'darkolivegreen', 'darkgoldenrod', 'dodgerblue3', 'blue4', 'cyan4'] | |
| rankdict = {} | |
| # ---------------------------- DOT ----------------------------------- | |
| if __name__ == '__main__': | |
| usage = '' | |
| from optparse import OptionParser | |
| parser = OptionParser(usage) | |
| parser.add_option('-p', '--prefix', dest='prefix', type='string', action='store', help='prefix for state table') | |
| parser.add_option('-f', '--file', dest='file', type='string', action='store', help='input yaml filename') | |
| parser.add_option('-d', '--dot', dest='dot', default=False, action='store_true', help='output DOT') | |
| (opts, args) = parser.parse_args() | |
| prefix = opts.prefix | |
| f = open(opts.file, 'r') | |
| y = yaml.load(f) | |
| f.close() | |
| stateHash = y['States'] | |
| eventHash = {} | |
| # GLOBAL DOT DIRECTIVES | |
| stateRadiate = y.get('DOT_StateRadiate') | |
| ignoredIntensity = abs(int(y.get('DOT_IgnoredIntensity', 100)) - 100) | |
| eventGroups = y.get('DOT_EventGroups') | |
| if stateRadiate is not None: | |
| stateRadiate = str(stateRadiate) | |
| actionStrLen = [0] | |
| stateColorIdx = 0 | |
| for k, v in stateHash.iteritems(): | |
| events = v.get('Events') | |
| if events: | |
| for event in events.keys(): | |
| eventHash[event] = {} | |
| actionStr = '' | |
| for ev in events.values(): | |
| if ev.get('Actions'): | |
| actionStr = ','.join(['obj.%s' % action for action in ev['Actions']]) + ',' | |
| actionStrLen.append(len(actionStr)) | |
| ievents = v.get('IgnoredEvents') | |
| if ievents: | |
| for event in ievents.keys(): | |
| eventHash[event] = {} | |
| # ---------------------------- DOT ----------------------------------- | |
| # rankdict setup | |
| rank = v.get('DOT_Rank') | |
| if rank: | |
| print >>sys.stderr, '%s rank %s' % (k, str(rank)) | |
| rankdict.setdefault(rank, []).append(k) | |
| # assign a possible color if not specified | |
| color = v.get('DOT_Color') | |
| if color: | |
| print >>sys.stderr, 'using user assigned color %s for %s' % (color, k) | |
| else: | |
| if stateRadiate and stateRadiate.lower() == 'auto': | |
| color = colorList[stateColorIdx % len(colorList)] | |
| stateColorIdx+= 1 | |
| else: | |
| color = 'black' | |
| stateHash[k]['DOT_Color'] = color | |
| # ---------------------------- DOT ----------------------------------- | |
| # ---------------------------- DOT ----------------------------------- | |
| # update the event hash with information from the event groups (if present) | |
| if eventGroups: | |
| for group in eventGroups.values(): | |
| for event in group['Events'].keys(): | |
| for attr, val in group['Attrs'].iteritems(): | |
| eventHash[event][attr] = val | |
| print >>sys.stderr, 'assigning event group attr event %s attr %s val %s' % (event, attr, val) | |
| # ---------------------------- DOT ----------------------------------- | |
| maxStateLen = reduce(max, [len(x) for x in stateHash.keys()]) + 5 + len(prefix) | |
| maxEventLen = reduce(max, [len(x) for x in eventHash.keys()]) + 5 + len(prefix) | |
| maxActionLen = reduce(max, actionStrLen) + 5 | |
| if opts.dot: | |
| print 'digraph G {' | |
| print ' edge [fontname="Tahoma", fontsize="10", minlen=2];' | |
| print ' node [fontname="Tahoma", fontsize="10"];' | |
| print ' graph [fontname="Tahoma", label="%s"];' % prefix | |
| print >>sys.stderr, 'stateRadiate:%s\nignoredIntensity:%d' % (stateRadiate, ignoredIntensity) | |
| # emit state declarations | |
| for state in stateHash.keys(): | |
| print ' %s[color="%s"];' % (state, stateHash[state]['DOT_Color']) | |
| # emit rankings | |
| for k, v in rankdict.iteritems(): | |
| print >>sys.stderr, '%s rank %s' % (k, str(v)) | |
| print 'subgraph { rank = same;' | |
| for state in v: | |
| print ' %s;' % state | |
| print '}' | |
| for state, va in stateHash.iteritems(): | |
| # emit ignored events | |
| if va.get('IgnoredEvents'): | |
| for event, v in va['IgnoredEvents'].iteritems(): | |
| stateStr = state | |
| eventStr = event | |
| print '%s -> %s [label="%s/",minlen=1, fontcolor="grey%d", color="grey%d"];' % (stateStr, stateStr, eventStr, ignoredIntensity, ignoredIntensity) | |
| # emit transitions | |
| if va.get('Events'): | |
| for event, v in va['Events'].iteritems(): | |
| stateStr = state | |
| eventStr = event | |
| actionStr = '' | |
| if v.get('Actions'): | |
| actionStr = '\\n'.join([a.strip('_') for a in v['Actions']]) | |
| nextStr = v['NextState'] | |
| labelStr = '%s/\\n%s' % (eventStr, actionStr) | |
| if stateRadiate: | |
| color = va['DOT_Color'] | |
| elif len(eventHash[event]): | |
| color = eventHash[event]['Color'] | |
| else: | |
| color = 'black' | |
| fontColor = color | |
| styleStr = '' | |
| style = eventHash[event].get('Style') | |
| if style: | |
| styleStr = ',style="%s"' % (style) | |
| if style == 'invis': | |
| fontColor = 'white' | |
| print '%s -> %s [label="%s", color="%s", fontcolor="%s" %s];' % (stateStr, nextStr, labelStr, color, fontColor, styleStr) | |
| print '}' | |
| else: | |
| ### emit it | |
| print header | |
| ### enumerations | |
| ''' | |
| print '%sSt = Enumeration("%sState",(' % (prefix, prefix) | |
| for state in stateHash.keys(): | |
| print '%s"%s",' % (' '*12, state) | |
| print '%s))' % (' '*12) | |
| print '%sEv = Enumeration("%sEvent",(' % (prefix, prefix) | |
| for event in eventHash.keys(): | |
| print '%s"%s",' % (' '*12, event) | |
| print '%s))' % (' '*12) | |
| ''' | |
| ### table | |
| fmt = ' (%' + '-%d.%ds' % (maxStateLen, maxStateLen) + '%' + '-%d.%ds' % (maxEventLen, maxEventLen) + '):( %' +' -%d.%ds' % (maxActionLen, maxActionLen) + '%s),' | |
| cfmt= ' ## %' + '-%d.%ds' % (maxStateLen, maxStateLen) + '%' + '-%d.%ds' % (maxEventLen, maxEventLen) + ' %' +' -%d.%ds' % (maxActionLen, maxActionLen) + '%s' | |
| print 'def init%s%sFsmTable(obj,St,Ev):' % (prefix[0].upper(), prefix[1:]) | |
| # print " %sFsmTable = {" % prefix | |
| print " return {" | |
| for state, va in stateHash.iteritems(): | |
| print cfmt % ('CurrentState', 'Event', 'Actions', 'NextState') | |
| if va.get('IgnoredEvents'): | |
| for event, v in va['IgnoredEvents'].iteritems(): | |
| stateStr = '%sSt.' % ('') + state + ',' | |
| eventStr = '%sEv.' % ('') + event | |
| print fmt % (stateStr, eventStr, '(),', stateStr.strip(',')) | |
| if va.get('Events'): | |
| for event, v in va['Events'].iteritems(): | |
| stateStr = '%sSt.' % ('') + state + ',' | |
| eventStr = '%sEv.' % ('') + event | |
| actionStr = '' | |
| if v.get('Actions'): | |
| actionStr = ','.join(['obj.%s' % action for action in v['Actions']]) + ',' | |
| nextStr = '%sSt.' % ('') + v['NextState'] | |
| print fmt % (stateStr, eventStr, '(%s),' % actionStr , nextStr) | |
| print "}" | |