Mercurial > code > home > repos > light9

annotate light8/dmxserver.py @ 194:70d45c584776

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
minor old changes
author drewp
date Tue, 15 Jun 2004 02:06:36 +0000
parents 8e6165bc1ca5
children cde2ae379be0
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
116
9ddea0c614ee much prettier stdout, including a clock (so you can tell the server's running)
drewp
parents: 112
diff changeset
1 #!/usr/bin/python
0
45b12307c695 Initial revision
drewp
parents:
diff changeset
2 """
45b12307c695 Initial revision
drewp
parents:
diff changeset
3
45b12307c695 Initial revision
drewp
parents:
diff changeset
4 this is the only process to talk to the dmx hardware. other clients
45b12307c695 Initial revision
drewp
parents:
diff changeset
5 can connect to this server and present dmx output, and this server
45b12307c695 Initial revision
drewp
parents:
diff changeset
6 will max ('pile-on') all the client requests.
45b12307c695 Initial revision
drewp
parents:
diff changeset
7
45b12307c695 Initial revision
drewp
parents:
diff changeset
8 this server has a level display which is the final set of values that
45b12307c695 Initial revision
drewp
parents:
diff changeset
9 goes to the hardware.
45b12307c695 Initial revision
drewp
parents:
diff changeset
10
45b12307c695 Initial revision
drewp
parents:
diff changeset
11 clients shall connect to the xmlrpc server and send:
45b12307c695 Initial revision
drewp
parents:
diff changeset
12
45b12307c695 Initial revision
drewp
parents:
diff changeset
13 their PID (or some other cookie)
45b12307c695 Initial revision
drewp
parents:
diff changeset
14
45b12307c695 Initial revision
drewp
parents:
diff changeset
15 a length-n list of 0..1 levels which will represent the channel
45b12307c695 Initial revision
drewp
parents:
diff changeset
16 values for the n first dmx channels.
45b12307c695 Initial revision
drewp
parents:
diff changeset
17
45b12307c695 Initial revision
drewp
parents:
diff changeset
18 server is port 8030; xmlrpc method is called outputlevels(pid,levellist).
45b12307c695 Initial revision
drewp
parents:
diff changeset
19
116
9ddea0c614ee much prettier stdout, including a clock (so you can tell the server's running)
drewp
parents: 112
diff changeset
20 todo:
9ddea0c614ee much prettier stdout, including a clock (so you can tell the server's running)
drewp
parents: 112
diff changeset
21 save dmx on quit and restore on restart
9ddea0c614ee much prettier stdout, including a clock (so you can tell the server's running)
drewp
parents: 112
diff changeset
22 if parport fails, run in dummy mode (and make an option for that too)
0
45b12307c695 Initial revision
drewp
parents:
diff changeset
23 """
45b12307c695 Initial revision
drewp
parents:
diff changeset
24
45b12307c695 Initial revision
drewp
parents:
diff changeset
25 from __future__ import division
45b12307c695 Initial revision
drewp
parents:
diff changeset
26 from twisted.internet import reactor
45b12307c695 Initial revision
drewp
parents:
diff changeset
27 from twisted.web import xmlrpc, server
116
9ddea0c614ee much prettier stdout, including a clock (so you can tell the server's running)
drewp
parents: 112
diff changeset
28 import sys,time
194
70d45c584776 minor old changes
drewp
parents: 140
diff changeset
29 from optparse import OptionParser
0
45b12307c695 Initial revision
drewp
parents:
diff changeset
30 from io import ParportDMX
118
2c25a69c084d now tracks update frequencies of the server and each client
drewp
parents: 116
diff changeset
31 from updatefreq import Updatefreq
0
45b12307c695 Initial revision
drewp
parents:
diff changeset
32
45b12307c695 Initial revision
drewp
parents:
diff changeset
33 class XMLRPCServe(xmlrpc.XMLRPC):
118
2c25a69c084d now tracks update frequencies of the server and each client
drewp
parents: 116
diff changeset
34 def __init__(self,options):
116
9ddea0c614ee much prettier stdout, including a clock (so you can tell the server's running)
drewp
parents: 112
diff changeset
35
9ddea0c614ee much prettier stdout, including a clock (so you can tell the server's running)
drewp
parents: 112
diff changeset
36 xmlrpc.XMLRPC.__init__(self)
9ddea0c614ee much prettier stdout, including a clock (so you can tell the server's running)
drewp
parents: 112
diff changeset
37
118
2c25a69c084d now tracks update frequencies of the server and each client
drewp
parents: 116
diff changeset
38 self.clientlevels={} # clientID : list of levels
2c25a69c084d now tracks update frequencies of the server and each client
drewp
parents: 116
diff changeset
39 self.lastseen={} # clientID : time last seen
2c25a69c084d now tracks update frequencies of the server and each client
drewp
parents: 116
diff changeset
40 self.clientfreq={} # clientID : updatefreq
2c25a69c084d now tracks update frequencies of the server and each client
drewp
parents: 116
diff changeset
41
0
45b12307c695 Initial revision
drewp
parents:
diff changeset
42 self.combinedlevels=[] # list of levels, after max'ing the clients
45b12307c695 Initial revision
drewp
parents:
diff changeset
43 self.clientschanged=1 # have clients sent anything since the last send?
118
2c25a69c084d now tracks update frequencies of the server and each client
drewp
parents: 116
diff changeset
44 self.options=options
134
f2f73a2171e6 many adjustments to the loops and timing
drewp
parents: 118
diff changeset
45 self.lastupdate=0 # time of last dmx send
f2f73a2171e6 many adjustments to the loops and timing
drewp
parents: 118
diff changeset
46 self.laststatsprint=0 # time
f2f73a2171e6 many adjustments to the loops and timing
drewp
parents: 118
diff changeset
47
f2f73a2171e6 many adjustments to the loops and timing
drewp
parents: 118
diff changeset
48 # desired seconds between sendlevels() calls
f2f73a2171e6 many adjustments to the loops and timing
drewp
parents: 118
diff changeset
49 self.calldelay=1/options.updates_per_sec
0
45b12307c695 Initial revision
drewp
parents:
diff changeset
50
45b12307c695 Initial revision
drewp
parents:
diff changeset
51 print "starting parport connection"
45b12307c695 Initial revision
drewp
parents:
diff changeset
52 self.parportdmx=ParportDMX()
112
afbdae5e1359 dmx light output is now via a separate process which light8 talks to.
drewp
parents: 0
diff changeset
53 self.parportdmx.golive()
0
45b12307c695 Initial revision
drewp
parents:
diff changeset
54
134
f2f73a2171e6 many adjustments to the loops and timing
drewp
parents: 118
diff changeset
55 self.updatefreq=Updatefreq() # freq of actual dmx sends
116
9ddea0c614ee much prettier stdout, including a clock (so you can tell the server's running)
drewp
parents: 112
diff changeset
56 self.num_unshown_updates=None
118
2c25a69c084d now tracks update frequencies of the server and each client
drewp
parents: 116
diff changeset
57 self.lastshownlevels=None
134
f2f73a2171e6 many adjustments to the loops and timing
drewp
parents: 118
diff changeset
58 # start the loop
0
45b12307c695 Initial revision
drewp
parents:
diff changeset
59 self.sendlevels()
134
f2f73a2171e6 many adjustments to the loops and timing
drewp
parents: 118
diff changeset
60
f2f73a2171e6 many adjustments to the loops and timing
drewp
parents: 118
diff changeset
61 # the other loop
f2f73a2171e6 many adjustments to the loops and timing
drewp
parents: 118
diff changeset
62 self.purgeclients()
118
2c25a69c084d now tracks update frequencies of the server and each client
drewp
parents: 116
diff changeset
63
2c25a69c084d now tracks update frequencies of the server and each client
drewp
parents: 116
diff changeset
64 def purgeclients(self):
2c25a69c084d now tracks update frequencies of the server and each client
drewp
parents: 116
diff changeset
65
194
70d45c584776 minor old changes
drewp
parents: 140
diff changeset
66 """forget about any clients who haven't sent levels in a while.
70d45c584776 minor old changes
drewp
parents: 140
diff changeset
67 this runs in a loop"""
134
f2f73a2171e6 many adjustments to the loops and timing
drewp
parents: 118
diff changeset
68
f2f73a2171e6 many adjustments to the loops and timing
drewp
parents: 118
diff changeset
69 purge_age=10 # seconds
f2f73a2171e6 many adjustments to the loops and timing
drewp
parents: 118
diff changeset
70
f2f73a2171e6 many adjustments to the loops and timing
drewp
parents: 118
diff changeset
71 reactor.callLater(1,self.purgeclients)
f2f73a2171e6 many adjustments to the loops and timing
drewp
parents: 118
diff changeset
72
118
2c25a69c084d now tracks update frequencies of the server and each client
drewp
parents: 116
diff changeset
73 now=time.time()
194
70d45c584776 minor old changes
drewp
parents: 140
diff changeset
74 cids=self.clientlevels.keys()
70d45c584776 minor old changes
drewp
parents: 140
diff changeset
75 for cid in cids:
70d45c584776 minor old changes
drewp
parents: 140
diff changeset
76 lastseen=self.lastseen[cid]
134
f2f73a2171e6 many adjustments to the loops and timing
drewp
parents: 118
diff changeset
77 if lastseen<now-purge_age:
f2f73a2171e6 many adjustments to the loops and timing
drewp
parents: 118
diff changeset
78 print ("forgetting client %s (no activity for %s sec)" %
f2f73a2171e6 many adjustments to the loops and timing
drewp
parents: 118
diff changeset
79 (cid,purge_age))
118
2c25a69c084d now tracks update frequencies of the server and each client
drewp
parents: 116
diff changeset
80 del self.clientlevels[cid]
194
70d45c584776 minor old changes
drewp
parents: 140
diff changeset
81 del self.clientfreq[cid]
118
2c25a69c084d now tracks update frequencies of the server and each client
drewp
parents: 116
diff changeset
82 del self.lastseen[cid]
2c25a69c084d now tracks update frequencies of the server and each client
drewp
parents: 116
diff changeset
83
0
45b12307c695 Initial revision
drewp
parents:
diff changeset
84 def sendlevels(self):
134
f2f73a2171e6 many adjustments to the loops and timing
drewp
parents: 118
diff changeset
85
f2f73a2171e6 many adjustments to the loops and timing
drewp
parents: 118
diff changeset
86 """sends to dmx if levels have changed, or if we havent sent
f2f73a2171e6 many adjustments to the loops and timing
drewp
parents: 118
diff changeset
87 in a while"""
f2f73a2171e6 many adjustments to the loops and timing
drewp
parents: 118
diff changeset
88
f2f73a2171e6 many adjustments to the loops and timing
drewp
parents: 118
diff changeset
89 reactor.callLater(self.calldelay,self.sendlevels)
f2f73a2171e6 many adjustments to the loops and timing
drewp
parents: 118
diff changeset
90
0
45b12307c695 Initial revision
drewp
parents:
diff changeset
91 if self.clientschanged:
45b12307c695 Initial revision
drewp
parents:
diff changeset
92 # recalc levels
45b12307c695 Initial revision
drewp
parents:
diff changeset
93
118
2c25a69c084d now tracks update frequencies of the server and each client
drewp
parents: 116
diff changeset
94 self.calclevels()
2c25a69c084d now tracks update frequencies of the server and each client
drewp
parents: 116
diff changeset
95
2c25a69c084d now tracks update frequencies of the server and each client
drewp
parents: 116
diff changeset
96 if (self.num_unshown_updates is None or # first time
2c25a69c084d now tracks update frequencies of the server and each client
drewp
parents: 116
diff changeset
97 self.options.fast_updates or # show always
2c25a69c084d now tracks update frequencies of the server and each client
drewp
parents: 116
diff changeset
98 (self.combinedlevels!=self.lastshownlevels and # changed
140
8e6165bc1ca5 try to show levels more often (it's still not often enough)
drewp
parents: 134
diff changeset
99 self.num_unshown_updates>5)): # not too frequent
116
9ddea0c614ee much prettier stdout, including a clock (so you can tell the server's running)
drewp
parents: 112
diff changeset
100 self.num_unshown_updates=0
118
2c25a69c084d now tracks update frequencies of the server and each client
drewp
parents: 116
diff changeset
101 self.printlevels()
2c25a69c084d now tracks update frequencies of the server and each client
drewp
parents: 116
diff changeset
102 self.lastshownlevels=self.combinedlevels[:]
116
9ddea0c614ee much prettier stdout, including a clock (so you can tell the server's running)
drewp
parents: 112
diff changeset
103 else:
9ddea0c614ee much prettier stdout, including a clock (so you can tell the server's running)
drewp
parents: 112
diff changeset
104 self.num_unshown_updates+=1
9ddea0c614ee much prettier stdout, including a clock (so you can tell the server's running)
drewp
parents: 112
diff changeset
105
134
f2f73a2171e6 many adjustments to the loops and timing
drewp
parents: 118
diff changeset
106 if time.time()>self.laststatsprint+2:
f2f73a2171e6 many adjustments to the loops and timing
drewp
parents: 118
diff changeset
107 self.laststatsprint=time.time()
118
2c25a69c084d now tracks update frequencies of the server and each client
drewp
parents: 116
diff changeset
108 self.printstats()
2c25a69c084d now tracks update frequencies of the server and each client
drewp
parents: 116
diff changeset
109
134
f2f73a2171e6 many adjustments to the loops and timing
drewp
parents: 118
diff changeset
110 if self.clientschanged or time.time()>self.lastupdate+1:
f2f73a2171e6 many adjustments to the loops and timing
drewp
parents: 118
diff changeset
111 self.lastupdate=time.time()
f2f73a2171e6 many adjustments to the loops and timing
drewp
parents: 118
diff changeset
112 self.sendlevels_dmx()
f2f73a2171e6 many adjustments to the loops and timing
drewp
parents: 118
diff changeset
113
f2f73a2171e6 many adjustments to the loops and timing
drewp
parents: 118
diff changeset
114 self.clientschanged=0 # clear the flag
f2f73a2171e6 many adjustments to the loops and timing
drewp
parents: 118
diff changeset
115
118
2c25a69c084d now tracks update frequencies of the server and each client
drewp
parents: 116
diff changeset
116 def calclevels(self):
2c25a69c084d now tracks update frequencies of the server and each client
drewp
parents: 116
diff changeset
117 """combine all the known client levels into self.combinedlevels"""
2c25a69c084d now tracks update frequencies of the server and each client
drewp
parents: 116
diff changeset
118 self.combinedlevels=[]
2c25a69c084d now tracks update frequencies of the server and each client
drewp
parents: 116
diff changeset
119 for chan in range(0,self.parportdmx.dimmers):
2c25a69c084d now tracks update frequencies of the server and each client
drewp
parents: 116
diff changeset
120 x=0
2c25a69c084d now tracks update frequencies of the server and each client
drewp
parents: 116
diff changeset
121 for clientlist in self.clientlevels.values():
2c25a69c084d now tracks update frequencies of the server and each client
drewp
parents: 116
diff changeset
122 if len(clientlist)>chan:
2c25a69c084d now tracks update frequencies of the server and each client
drewp
parents: 116
diff changeset
123 # clamp client levels to 0..1
2c25a69c084d now tracks update frequencies of the server and each client
drewp
parents: 116
diff changeset
124 cl=max(0,min(1,clientlist[chan]))
2c25a69c084d now tracks update frequencies of the server and each client
drewp
parents: 116
diff changeset
125 x=max(x,cl)
2c25a69c084d now tracks update frequencies of the server and each client
drewp
parents: 116
diff changeset
126 self.combinedlevels.append(x)
2c25a69c084d now tracks update frequencies of the server and each client
drewp
parents: 116
diff changeset
127
2c25a69c084d now tracks update frequencies of the server and each client
drewp
parents: 116
diff changeset
128 def printlevels(self):
2c25a69c084d now tracks update frequencies of the server and each client
drewp
parents: 116
diff changeset
129 """write all the levels to stdout"""
2c25a69c084d now tracks update frequencies of the server and each client
drewp
parents: 116
diff changeset
130 print "Levels:","".join(["% 2d "%(x*100) for
2c25a69c084d now tracks update frequencies of the server and each client
drewp
parents: 116
diff changeset
131 x in self.combinedlevels])
2c25a69c084d now tracks update frequencies of the server and each client
drewp
parents: 116
diff changeset
132
2c25a69c084d now tracks update frequencies of the server and each client
drewp
parents: 116
diff changeset
133 def printstats(self):
2c25a69c084d now tracks update frequencies of the server and each client
drewp
parents: 116
diff changeset
134 """print the clock, freq, etc, with a \r at the end"""
2c25a69c084d now tracks update frequencies of the server and each client
drewp
parents: 116
diff changeset
135
134
f2f73a2171e6 many adjustments to the loops and timing
drewp
parents: 118
diff changeset
136 sys.stdout.write("dmxserver up at %s, [polls %s] "%
118
2c25a69c084d now tracks update frequencies of the server and each client
drewp
parents: 116
diff changeset
137 (time.strftime("%H:%M:%S"),
2c25a69c084d now tracks update frequencies of the server and each client
drewp
parents: 116
diff changeset
138 str(self.updatefreq),
2c25a69c084d now tracks update frequencies of the server and each client
drewp
parents: 116
diff changeset
139 ))
2c25a69c084d now tracks update frequencies of the server and each client
drewp
parents: 116
diff changeset
140 for cid,freq in self.clientfreq.items():
2c25a69c084d now tracks update frequencies of the server and each client
drewp
parents: 116
diff changeset
141 sys.stdout.write("[%s %s] " % (cid,str(freq)))
2c25a69c084d now tracks update frequencies of the server and each client
drewp
parents: 116
diff changeset
142 sys.stdout.write("\r")
2c25a69c084d now tracks update frequencies of the server and each client
drewp
parents: 116
diff changeset
143 sys.stdout.flush()
2c25a69c084d now tracks update frequencies of the server and each client
drewp
parents: 116
diff changeset
144
2c25a69c084d now tracks update frequencies of the server and each client
drewp
parents: 116
diff changeset
145 def sendlevels_dmx(self):
2c25a69c084d now tracks update frequencies of the server and each client
drewp
parents: 116
diff changeset
146 """output self.combinedlevels to dmx, and keep the updates/sec stats"""
2c25a69c084d now tracks update frequencies of the server and each client
drewp
parents: 116
diff changeset
147 # they'll get divided by 100
116
9ddea0c614ee much prettier stdout, including a clock (so you can tell the server's running)
drewp
parents: 112
diff changeset
148 if self.parportdmx:
118
2c25a69c084d now tracks update frequencies of the server and each client
drewp
parents: 116
diff changeset
149 self.parportdmx.sendlevels([l*100 for l in self.combinedlevels])
2c25a69c084d now tracks update frequencies of the server and each client
drewp
parents: 116
diff changeset
150 self.updatefreq.update()
2c25a69c084d now tracks update frequencies of the server and each client
drewp
parents: 116
diff changeset
151
0
45b12307c695 Initial revision
drewp
parents:
diff changeset
152 def xmlrpc_echo(self,x):
45b12307c695 Initial revision
drewp
parents:
diff changeset
153 return x
45b12307c695 Initial revision
drewp
parents:
diff changeset
154
118
2c25a69c084d now tracks update frequencies of the server and each client
drewp
parents: 116
diff changeset
155 def xmlrpc_outputlevels(self,cid,levellist):
2c25a69c084d now tracks update frequencies of the server and each client
drewp
parents: 116
diff changeset
156 """send a unique id for your client (name+pid maybe), then
2c25a69c084d now tracks update frequencies of the server and each client
drewp
parents: 116
diff changeset
157 the variable-length dmx levellist (scaled 0..1)"""
194
70d45c584776 minor old changes
drewp
parents: 140
diff changeset
158 if levellist!=self.clientlevels.get(cid,None):
134
f2f73a2171e6 many adjustments to the loops and timing
drewp
parents: 118
diff changeset
159 self.clientlevels[cid]=levellist
f2f73a2171e6 many adjustments to the loops and timing
drewp
parents: 118
diff changeset
160 self.clientschanged=1
f2f73a2171e6 many adjustments to the loops and timing
drewp
parents: 118
diff changeset
161 if cid not in self.lastseen:
f2f73a2171e6 many adjustments to the loops and timing
drewp
parents: 118
diff changeset
162 print "hello new client %s" % cid
f2f73a2171e6 many adjustments to the loops and timing
drewp
parents: 118
diff changeset
163 self.clientfreq[cid]=Updatefreq()
f2f73a2171e6 many adjustments to the loops and timing
drewp
parents: 118
diff changeset
164
118
2c25a69c084d now tracks update frequencies of the server and each client
drewp
parents: 116
diff changeset
165 self.lastseen[cid]=time.time()
2c25a69c084d now tracks update frequencies of the server and each client
drewp
parents: 116
diff changeset
166 self.clientfreq[cid].update()
0
45b12307c695 Initial revision
drewp
parents:
diff changeset
167 return "ok"
45b12307c695 Initial revision
drewp
parents:
diff changeset
168
118
2c25a69c084d now tracks update frequencies of the server and each client
drewp
parents: 116
diff changeset
169 parser=OptionParser()
2c25a69c084d now tracks update frequencies of the server and each client
drewp
parents: 116
diff changeset
170 parser.add_option("-f","--fast-updates",action='store_true',
2c25a69c084d now tracks update frequencies of the server and each client
drewp
parents: 116
diff changeset
171 help=('display all dmx output to stdout instead '
2c25a69c084d now tracks update frequencies of the server and each client
drewp
parents: 116
diff changeset
172 'of the usual reduced output'))
134
f2f73a2171e6 many adjustments to the loops and timing
drewp
parents: 118
diff changeset
173 parser.add_option("-r","--updates-per-sec",type='float',default=20,
f2f73a2171e6 many adjustments to the loops and timing
drewp
parents: 118
diff changeset
174 help=('dmx output frequency'))
118
2c25a69c084d now tracks update frequencies of the server and each client
drewp
parents: 116
diff changeset
175 (options,songfiles)=parser.parse_args()
2c25a69c084d now tracks update frequencies of the server and each client
drewp
parents: 116
diff changeset
176
134
f2f73a2171e6 many adjustments to the loops and timing
drewp
parents: 118
diff changeset
177 print options
f2f73a2171e6 many adjustments to the loops and timing
drewp
parents: 118
diff changeset
178
116
9ddea0c614ee much prettier stdout, including a clock (so you can tell the server's running)
drewp
parents: 112
diff changeset
179 print "starting xmlrpc server on port 8030"
118
2c25a69c084d now tracks update frequencies of the server and each client
drewp
parents: 116
diff changeset
180 reactor.listenTCP(8030,server.Site(XMLRPCServe(options)))
0
45b12307c695 Initial revision
drewp
parents:
diff changeset
181 reactor.run()
45b12307c695 Initial revision
drewp
parents:
diff changeset
182