mirror of https://github.com/watcha-fr/synapse
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67 lines
1.7 KiB
67 lines
1.7 KiB
import requests
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import collections
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import sys
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import time
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import json
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Entry = collections.namedtuple("Entry", "name position rows")
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ROW_TYPES = {}
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def row_type_for_columns(name, column_names):
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column_names = tuple(column_names)
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row_type = ROW_TYPES.get((name, column_names))
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if row_type is None:
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row_type = collections.namedtuple(name, column_names)
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ROW_TYPES[(name, column_names)] = row_type
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return row_type
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def parse_response(content):
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streams = json.loads(content)
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result = {}
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for name, value in streams.items():
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row_type = row_type_for_columns(name, value["field_names"])
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position = value["position"]
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rows = [row_type(*row) for row in value["rows"]]
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result[name] = Entry(name, position, rows)
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return result
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def replicate(server, streams):
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return parse_response(requests.get(
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server + "/_synapse/replication",
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verify=False,
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params=streams
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).content)
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def main():
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server = sys.argv[1]
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streams = None
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while not streams:
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try:
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streams = {
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row.name: row.position
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for row in replicate(server, {"streams":"-1"})["streams"].rows
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}
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except requests.exceptions.ConnectionError as e:
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time.sleep(0.1)
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while True:
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try:
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results = replicate(server, streams)
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except:
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sys.stdout.write("connection_lost("+ repr(streams) + ")\n")
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break
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for update in results.values():
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for row in update.rows:
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sys.stdout.write(repr(row) + "\n")
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streams[update.name] = update.position
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if __name__=='__main__':
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main()
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