async def send_and_recv():
address = 'tcp://127.0.0.1:13131'
# in real code you should also pass recv_timeout and/or send_timeout
with Pair0(listen=address) as s0, Pair0(dial=address) as s1:
await s0.asend(b'hello s1')
print(await s1.arecv()) # prints b'hello s1'
await s1.asend(b'hi old buddy s0, great to see ya')
print(await s0.arecv()) # prints b'hi old buddy s0, great to see ya
def hello_nng():
from pynng import Pair0
peer_one = Pair0()
peer_one.listen('tcp://127.0.0.1:54321')
peer_two = Pair0()
peer_two.dial('tcp://127.0.0.1:54321')
peer_one.send(b'Well hello there')
print(peer_two.recv())
peer_one.close()
peer_two.close()
def test_config_string():
with Pair0(recv_timeout=1000, send_timeout=1000) as server, \
Pair0(recv_timeout=1000, send_timeout=1000) as client:
c_server = TLSConfig(TLSConfig.MODE_SERVER,
own_key_string=SERVER_KEY,
own_cert_string=SERVER_CERT)
server.tls_config = c_server
c_client = TLSConfig(TLSConfig.MODE_CLIENT, ca_string=CA_CERT)
client.tls_config = c_client
server.listen(URL)
client.dial(URL)
client.send(BYTES)
assert server.recv() == BYTES
server.send(BYTES)
assert client.recv() == BYTES
def test_config_file(tmp_path):
ca_crt_file = tmp_path / "ca.crt"
ca_crt_file.write_text(CA_CERT)
key_pair_file = tmp_path / "key_pair_file.pem"
key_pair_file.write_text(SERVER_CERT + SERVER_KEY)
with Pair0(recv_timeout=1000, send_timeout=1000) as server, \
Pair0(recv_timeout=1000, send_timeout=1000) as client:
c_server = TLSConfig(TLSConfig.MODE_SERVER,
cert_key_file=str(key_pair_file))
server.tls_config = c_server
c_client = TLSConfig(TLSConfig.MODE_CLIENT,
ca_files=[str(ca_crt_file)])
client.tls_config = c_client
server.listen(URL)
client.dial(URL)
client.send(BYTES)
assert server.recv() == BYTES
server.send(BYTES)
assert client.recv() == BYTES
from pynng import Pair0 address = 'ws://127.0.0.1:7789' pair = Pair0(dial=address) pair.send(b'hello') print(pair.recv())
from pynng import Pair0
address = 'tcp://127.0.0.1:13131'
# in real code you should also pass recv_timeout and/or send_timeout
with Pair0(listen=address) as s0, Pair0(dial=address) as s1:
s0.send(b'hello s1')
print(s1.recv()) # prints b'hello s1'
s1.send(b'hi old buddy s0, great to see ya')
print(s0.recv()) # prints b'hi old buddy s0, great to see ya
from pynng import Pair0, Pair1 address = 'ws://127.0.0.1:7789' pair = Pair0(listen=address) print(pair.recv()) pair.send(b'world')
#!/usr/bin/env python3
# -*- coding: utf-8 -*-
from pynng import Pair0
s1 = Pair0()
s1.listen("ipc://127.0.0.1:54321")
s2 = Pair0()
s2.dial("ipc://127.0.0.1:54321")
s1.send(b"Well hello there from s1")
print(s2.recv())
s2.send(b"Well hello there from s2")
print(s1.recv())
s1.close()
s2.close()