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import base64
import fastbencode
import json
import random
import socket
def conv(e):
if type(e) is str:
return bytes(e, "ASCII")
if type(e) is dict:
n = {}
for k, v in e.items():
n[bytes(k, "ASCII")] = conv(v)
return n
if type(e) is list:
n = []
for v in e:
n.append(conv(v))
return n
return e
def benc_enc(msg):
return fastbencode.bencode(conv(msg))
def json_enc(msg):
return bytes(json.dumps(msg), "ASCII")
addr = "127.0.0.1"
port = 2223
fmt = "bencode"
iters = 200
requests = 5000
cmd = "offer"
sock = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
if cmd == "offer":
msg = {
"command": "offer",
"from-tag": "bar",
"to-tag": "meh",
"sdp": """
v=0
o=- 1695296331 1695296331 IN IP4 192.168.1.202
s=-
t=0 0
c=IN IP4 192.168.1.202
m=audio 45825 RTP/AVP 0 8 101
a=rtpmap:0 PCMU/8000/1
a=rtpmap:8 PCMA/8000/1
a=rtpmap:101 telephone-event/8000
a=sendrecv
""",
"replace": ["origin"],
}
elif cmd == "answer":
msg = {
"command": "answer",
"call-id": "foo",
"from-tag": "bar",
"to-tag": "meh",
"sdp": """
v=0
o=- 1695296331 1695296331 IN IP4 192.168.1.202
s=-
t=0 0
c=IN IP4 192.168.1.202
m=audio 45825 UDP/TLS/RTP/SAVPF 0 8 101
a=setup:active
a=fingerprint:sha-256 49:05:98:B2:15:43:1C:9C:4F:29:07:60:F8:63:77:16:80:F9:44:C0:97:8E:E5:48:D6:71:B4:03:10:85:D6:E3
a=rtpmap:0 PCMU/8000/1
a=rtpmap:8 PCMA/8000/1
a=rtpmap:101 telephone-event/8000
a=rtcp-mux
a=rtcprsize
a=sendrecv
""",
"flags": ["generate RTCP", "pad crypto", "symmetric codecs"],
"ICE": "remove",
"codec": {
"mask": ["opus", "PCMA", "PCMU"],
"transcode": ["G722", "AMR"],
"strip": ["AMR-WB", "EVS"],
},
"transport-protocol": "RTP/AVP",
"replace": ["origin"],
"rtcp-mux": ["demux"],
}
elif cmd == "statistics":
msg = {"command": "statistics"}
enc = None
if fmt == "json":
fn = json_enc
elif fmt == "bencode":
fn = benc_enc
else:
raise
if "call-id" in msg:
enc = fn(msg)
for _ in range(iters):
call_ids = []
for _ in range(requests):
if enc:
packet = base64.b64encode(random.randbytes(6)) + b" " + enc
else:
call_id = str(base64.b64encode(random.randbytes(6)))
call_ids.append(call_id)
packet = (
base64.b64encode(random.randbytes(6))
+ b" "
+ fn({**msg, "call-id": call_id})
)
sock.sendto(packet, (addr, port))
sock.recvfrom(4096)
for call_id in call_ids:
packet = (
base64.b64encode(random.randbytes(6))
+ b" "
+ fn({"command": "delete", "call-id": call_id, "delete-delay": 0})
)
sock.sendto(packet, (addr, port))
sock.recvfrom(4096)
print("done")
|
