Last change
on this file since 981 was
968,
checked in by djay, 4 years ago
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Add websocketd container to docker-compose and make the OGC API - Processes and it basic UI available.
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-
Property svn:executable set to
*
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File size:
1.6 KB
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1 | #!/usr/bin/python3 |
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2 | # cf. https://github.com/joewalnes/websocketd/wiki/Simple-Python-Duplex-Example |
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3 | # |
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4 | # example usage: |
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5 | # websocketd --port=4430 --ssl --sslcert /ssl/fullchain.pem --sslkey /ssl/privkey.pem subscriber.py --devconsole |
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6 | # |
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7 | |
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8 | from sys import stdout, stdin |
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9 | import sys |
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10 | import threading |
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11 | import redis |
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12 | import json |
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13 | import os |
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14 | |
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15 | mThreads=[] |
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16 | r=None |
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17 | |
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18 | if "ZOO_REDIS_HOST" in os.environ: |
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19 | r = redis.Redis(host=os.environ["ZOO_REDIS_HOST"], port=6379, db=0) |
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20 | else: |
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21 | r = redis.Redis(host='redis', port=6379, db=0) |
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22 | |
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23 | def send(t): |
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24 | # send string to web page |
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25 | stdout.write(t+'\n') |
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26 | stdout.flush() |
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27 | |
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28 | def listenMessages(jobID=None): |
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29 | global r |
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30 | p = r.pubsub() |
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31 | p.subscribe(jobID) |
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32 | hasSend=False |
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33 | for raw_message in p.listen(): |
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34 | try: |
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35 | send(str(raw_message["data"],'utf-8')) |
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36 | hasSend=True |
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37 | try: |
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38 | tmp=json.loads(str(raw_message["data"],'utf-8')) |
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39 | if tmp is not None and "outputs" in tmp: |
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40 | sys.exit() |
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41 | except Exception as e: |
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42 | print(str(e)) |
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43 | return |
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44 | except: |
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45 | if not(hasSend): |
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46 | send(str(raw_message["data"])) |
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47 | |
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48 | |
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49 | def receive(): |
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50 | global n |
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51 | global mThreads |
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52 | while True: |
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53 | t = stdin.readline().strip() |
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54 | if not t: |
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55 | break |
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56 | t1 = t.split(" ") |
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57 | if t1[0]=="SUB": |
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58 | mThreads += [threading.Thread(target=listenMessages,kwargs={"jobID":t1[1]})] |
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59 | mThreads[len(mThreads)-1].start() |
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60 | else: |
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61 | send(t) |
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62 | |
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63 | t0 = threading.Thread(target=receive) |
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64 | t0.start() |
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65 | |
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66 | t0.join() |
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67 | #for i in range(len(mThreads)): |
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68 | # mThreads[i].join() |
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