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Utilize full link MDU in RawChannelWriter

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Mark Qvist 2026-08-19 17:57:14 +02:00
parent 0c0034f1ae
commit df80181006
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2 changed files with 26 additions and 28 deletions
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45
tests/link.py
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@ -13,7 +13,6 @@ import RNS
import os
from tests.channel import MessageTest
from RNS.Channel import MessageBase
from RNS.Buffer import StreamDataMessage
from RNS.Interfaces.LocalInterface import LocalClientInterface
from math import ceil
@ -27,7 +26,9 @@ fixed_keys = [
("08bb35f92b06a0832991165a0d9b4fd91af7b7765ce4572aa6222070b11b767092b61b0fd18b3a59cae6deb9db6d4bfb1c7fcfe076cfd66eea7ddd5f877543b9", "d13712efc45ef87674fb5ac26c37c912"),
]
BUFFER_TEST_TARGET = 32000
BUFFER_TEST_TARGET = 256000
BUFFER_TEST_TARGET_SLOW = 1800
SLOW_TEST_MARKER = b"@SLOW_TEST_MARKER"
LINK_UP_WAIT = 0.050
def targets_job(caller):
@ -734,23 +735,16 @@ class TestLink(unittest.TestCase):
# 1000))
if local_interface.bitrate < 1000:
target_bytes = 3000
target_bytes = BUFFER_TEST_TARGET_SLOW-len(SLOW_TEST_MARKER)
message = SLOW_TEST_MARKER
else:
target_bytes = BUFFER_TEST_TARGET
message = b""
random.seed(154889)
message = random.randbytes(target_bytes)
message += random.randbytes(target_bytes)
buffer_read_target = len(message)
# the return message will have an appendage string " back at you"
# for every StreamDataMessage that arrives. To verify, we need
# to insert that string every MAX_DATA_LEN and also at the end.
expected_rx_message = b""
for i in range(0, len(message)):
if i > 0 and (i % StreamDataMessage.MAX_DATA_LEN) == 0:
expected_rx_message += " back at you".encode("utf-8")
expected_rx_message += bytes([message[i]])
expected_rx_message += " back at you".encode("utf-8")
expected_rx_message = message + " back at you".encode("utf-8")
# since the segments will be received at max length for a
# StreamDataMessage, the appended text will end up in a
@ -760,7 +754,7 @@ class TestLink(unittest.TestCase):
buffer.write(message)
buffer.flush()
timeout = time.time() + 4
timeout = time.time() + 2.5
while not time.time() > timeout:
time.sleep(1)
print(f"Received {len(received)} chunks so far")
@ -864,24 +858,27 @@ def targets(yp=False):
response_data = []
def handle_buffer(ready_bytes: int):
global buffer_read_len, BUFFER_TEST_TARGET
global buffer_read_len, BUFFER_TEST_TARGET, BUFFER_TEST_TARGET_SLOW
data = buffer.read(ready_bytes)
buffer_read_len += len(data)
response_data.append(data)
if SLOW_TEST_MARKER in data:
BUFFER_TEST_TARGET = BUFFER_TEST_TARGET_SLOW
if data == "Hi there".encode("utf-8"):
RNS.log("Sending response")
for data in response_data:
buffer.write(data + " back at you".encode("utf-8"))
buffer.flush()
buffer_read_len = 0
buffer.write(b"".join(response_data) + " back at you".encode("utf-8"))
buffer.flush()
response_data.clear()
buffer_read_len = 0
if buffer_read_len == BUFFER_TEST_TARGET:
RNS.log("Sending response")
for data in response_data:
buffer.write(data + " back at you".encode("utf-8"))
buffer.flush()
buffer_read_len = 0
buffer.write(b"".join(response_data) + " back at you".encode("utf-8"))
buffer.flush()
response_data.clear()
buffer_read_len = 0
buffer = RNS.Buffer.create_bidirectional_buffer(0, 0, channel, handle_buffer)