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Add support for special hostname <broadcast> by jpbede · Pull Request #592 · MagicStack/uvloop · GitHub

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4 changes: 4 additions & 0 deletions tests/test_dns.py
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters. Learn more about bidirectional Unicode characters
Original file line number Diff line number Diff line change
Expand Up @@ -217,6 +217,10 @@ def test_getaddrinfo_22(self):
self._test_getaddrinfo(payload, 80)
self._test_getaddrinfo(payload, 80, type=socket.SOCK_STREAM)

def test_getaddrinfo_broadcast(self):
self._test_getaddrinfo('<broadcast>', 80)
self._test_getaddrinfo('<broadcast>', 80, type=socket.SOCK_STREAM)

######

def test_getnameinfo_1(self):
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16 changes: 16 additions & 0 deletions tests/test_udp.py
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Original file line number Diff line number Diff line change
Expand Up @@ -378,6 +378,22 @@ def test_udp_sendto_dns(self):
s_transport.close()
self.loop.run_until_complete(asyncio.sleep(0.01))

def test_udp_sendto_broadcast(self):
coro = self.loop.create_datagram_endpoint(
asyncio.DatagramProtocol,
local_addr=('127.0.0.1', 0),
family=socket.AF_INET)

s_transport, server = self.loop.run_until_complete(coro)

try:
s_transport.sendto(b'aaaa', ('<broadcast>', 80))
except ValueError as exc:
raise AssertionError('sendto raises {}.'.format(exc))

s_transport.close()
self.loop.run_until_complete(asyncio.sleep(0.01))

def test_send_after_close(self):
coro = self.loop.create_datagram_endpoint(
asyncio.DatagramProtocol,
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4 changes: 4 additions & 0 deletions uvloop/handles/udp.pyx
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Original file line number Diff line number Diff line change
Expand Up @@ -208,6 +208,10 @@ cdef class UDPTransport(UVBaseTransport):
if addr is None:
saddr = NULL
else:
# resolve special hostname <broadcast> to the broadcast address before use
if self._family == uv.AF_INET and addr[0] == '<broadcast>':
addr = (b'255.255.255.255', addr[1])

try:
__convert_pyaddr_to_sockaddr(self._family, addr,
<system.sockaddr*>&saddr_st)
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