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Buffer: send and receive binary data over Channel

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(also some minor fixes in channel)
This commit is contained in:
Aaron Heise 2023-03-02 17:13:55 -06:00
parent 58004d7c05
commit aac2b9f987
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GPG key ID: 6BA54088C41DE8BF
8 changed files with 835 additions and 13 deletions
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51
tests/link.py
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@ -396,6 +396,48 @@ class TestLink(unittest.TestCase):
self.assertEqual(l1.status, RNS.Link.CLOSED)
self.assertEqual(0, len(l1._channel._rx_ring))
def test_11_buffer_round_trip(self):
global c_rns
init_rns(self)
print("")
print("Buffer round trip test")
# TODO: Load this from public bytes only
id1 = RNS.Identity.from_bytes(bytes.fromhex(fixed_keys[0][0]))
self.assertEqual(id1.hash, bytes.fromhex(fixed_keys[0][1]))
dest = RNS.Destination(id1, RNS.Destination.OUT, RNS.Destination.SINGLE, APP_NAME, "link", "establish")
self.assertEqual(dest.hash, bytes.fromhex("fb48da0e82e6e01ba0c014513f74540d"))
l1 = RNS.Link(dest)
time.sleep(1)
self.assertEqual(l1.status, RNS.Link.ACTIVE)
buffer = None
received = []
def handle_data(ready_bytes: int):
data = buffer.read(ready_bytes)
received.append(data)
channel = l1.get_channel()
buffer = RNS.Buffer.create_bidirectional_buffer(0, 0, channel, handle_data)
buffer.write("Hi there".encode("utf-8"))
buffer.flush()
time.sleep(0.5)
self.assertEqual(1 , len(received))
rx_message = received[0].decode("utf-8")
self.assertEqual("Hi there back at you", rx_message)
l1.teardown()
time.sleep(0.5)
self.assertEqual(l1.status, RNS.Link.CLOSED)
def size_str(self, num, suffix='B'):
units = ['','K','M','G','T','P','E','Z']
@ -462,6 +504,15 @@ def targets(yp=False):
channel.register_message_type(MessageTest)
channel.add_message_handler(handle_message)
buffer = None
def handle_buffer(ready_bytes: int):
data = buffer.read(ready_bytes)
buffer.write((data.decode("utf-8") + " back at you").encode("utf-8"))
buffer.flush()
buffer = RNS.Buffer.create_bidirectional_buffer(0, 0, channel, handle_buffer)
m_rns = RNS.Reticulum("./tests/rnsconfig")
id1 = RNS.Identity.from_bytes(bytes.fromhex(fixed_keys[0][0]))
d1 = RNS.Destination(id1, RNS.Destination.IN, RNS.Destination.SINGLE, APP_NAME, "link", "establish")