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November 17, 2022 04:16
Dahua IP camera event listener
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| import argparse | |
| import pycurl | |
| connected = False | |
| ap = argparse.ArgumentParser(description="Monitor event notifications from Dahua IP camera.") | |
| ap.add_argument("-i", required=True, help="User ID", dest="id") | |
| ap.add_argument("-p", required=True, help="User Password", dest="pw") | |
| ap.add_argument("-a", required=True, help="Address for a camera", dest="addr") | |
| ap.add_argument("-n", default=80, required=False, help="Port number for a camera", dest="port") | |
| args = ap.parse_args() | |
| def on_receive(data): | |
| d = data.decode() | |
| for line in d.split("\r\n"): | |
| if "HTTP/1.1 200 OK" == line: | |
| global connected | |
| assert False == connected | |
| connected = True | |
| elif line.startswith("Code="): | |
| print(line, flush=True) | |
| if "__main__" == __name__: | |
| url = "http://{0}:{1}@{2}:{3}/cgi-bin/eventManager.cgi?action=attach&codes=[VideoMotion]" | |
| url = url.format(args.id, args.pw, args.addr, args.port) | |
| c = pycurl.Curl() | |
| c.setopt(pycurl.URL, url) | |
| c.setopt(pycurl.CONNECTTIMEOUT, 10) | |
| c.setopt(pycurl.TCP_KEEPALIVE, 1) | |
| c.setopt(pycurl.HTTPAUTH, pycurl.HTTPAUTH_DIGEST) | |
| c.setopt(pycurl.WRITEFUNCTION, on_receive) | |
| c.perform() | |
| c.close() | |
| assert connected |
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You can do timestamping the output like the follwoing.