Files
micropython/tests/multi_net/udp_recv_peek.py
Angus Gratton 73d4ddce6c tests/multi_net: Add test coverage for socket recv flag MSG_PEEK.
Adds TCP and UDP multi_net test cases.

This work was funded through GitHub Sponsors.

Signed-off-by: Angus Gratton <angus@redyak.com.au>
2025-06-03 12:52:22 +10:00

37 lines
1.0 KiB
Python

# Test UDP recv and recvfrom with MSG_PEEK
import random
import socket
import time
# Server
def instance0():
PORT = random.randrange(10000, 50000)
multitest.globals(IP=multitest.get_network_ip(), PORT=PORT)
s = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
s.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
s.bind(socket.getaddrinfo("0.0.0.0", PORT)[0][-1])
multitest.next()
peek_bytes, peek_addr = s.recvfrom(8, socket.MSG_PEEK)
print(peek_bytes)
real_bytes, real_addr = s.recvfrom(8)
print(real_bytes)
print(peek_addr == real_addr) # source addr should be the same for each
res = s.sendto(b"1234567890", peek_addr)
print(res)
print(s.recv(5, socket.MSG_PEEK))
print(s.recv(5, socket.MSG_PEEK))
s.close()
# Client
def instance1():
multitest.next()
s = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
s.connect(socket.getaddrinfo(IP, PORT)[0][-1])
s.send(b"abcdefgh")
s.send(b"klmnopqr")
print(s.recv(5, socket.MSG_PEEK))
print(s.recv(10))
s.close()