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# Test suite for SocketServer.py
import test_support
from test_support import verbose, verify, TESTFN, TestSkipped
test_support.requires('network')
from SocketServer import *
import socket
import select
import time
import threading
import os
NREQ = 3
DELAY = 0.5
class MyMixinHandler:
def handle(self):
time.sleep(DELAY)
line = self.rfile.readline()
time.sleep(DELAY)
self.wfile.write(line)
class MyStreamHandler(MyMixinHandler, StreamRequestHandler):
pass
class MyDatagramHandler(MyMixinHandler, DatagramRequestHandler):
pass
class MyMixinServer:
def serve_a_few(self):
for i in range(NREQ):
self.handle_request()
def handle_error(self, request, client_address):
self.close_request(request)
self.server_close()
raise
teststring = "hello world\n"
def receive(sock, n, timeout=20):
r, w, x = select.select([sock], [], [], timeout)
if sock in r:
return sock.recv(n)
else:
raise RuntimeError, "timed out on %s" % `sock`
def testdgram(proto, addr):
s = socket.socket(proto, socket.SOCK_DGRAM)
s.sendto(teststring, addr)
buf = data = receive(s, 100)
while data and '\n' not in buf:
data = receive(s, 100)
buf += data
verify(buf == teststring)
s.close()
def teststream(proto, addr):
s = socket.socket(proto, socket.SOCK_STREAM)
s.connect(addr)
s.sendall(teststring)
buf = data = receive(s, 100)
while data and '\n' not in buf:
data = receive(s, 100)
buf += data
verify(buf == teststring)
s.close()
class ServerThread(threading.Thread):
def __init__(self, addr, svrcls, hdlrcls):
threading.Thread.__init__(self)
self.__addr = addr
self.__svrcls = svrcls
self.__hdlrcls = hdlrcls
def run(self):
class svrcls(MyMixinServer, self.__svrcls):
pass
if verbose: print "thread: creating server"
svr = svrcls(self.__addr, self.__hdlrcls)
if verbose: print "thread: serving three times"
svr.serve_a_few()
if verbose: print "thread: done"
seed = 0
def pickport():
global seed
seed += 1
return 10000 + (os.getpid() % 1000)*10 + seed
host = "localhost"
testfiles = []
def pickaddr(proto):
if proto == socket.AF_INET:
return (host, pickport())
else:
fn = TESTFN + str(pickport())
testfiles.append(fn)
return fn
def cleanup():
for fn in testfiles:
try:
os.remove(fn)
except os.error:
pass
testfiles[:] = []
def testloop(proto, servers, hdlrcls, testfunc):
for svrcls in servers:
addr = pickaddr(proto)
if verbose:
print "ADDR =", addr
print "CLASS =", svrcls
t = ServerThread(addr, svrcls, hdlrcls)
if verbose: print "server created"
t.start()
if verbose: print "server running"
for i in range(NREQ):
time.sleep(DELAY)
if verbose: print "test client", i
testfunc(proto, addr)
if verbose: print "waiting for server"
t.join()
if verbose: print "done"
tcpservers = [TCPServer, ThreadingTCPServer]
if hasattr(os, 'fork'):
tcpservers.append(ForkingTCPServer)
udpservers = [UDPServer, ThreadingUDPServer]
if hasattr(os, 'fork'):
udpservers.append(ForkingUDPServer)
if not hasattr(socket, 'AF_UNIX'):
streamservers = []
dgramservers = []
else:
class ForkingUnixStreamServer(ForkingMixIn, UnixStreamServer): pass
streamservers = [UnixStreamServer, ThreadingUnixStreamServer,
ForkingUnixStreamServer]
class ForkingUnixDatagramServer(ForkingMixIn, UnixDatagramServer): pass
dgramservers = [UnixDatagramServer, ThreadingUnixDatagramServer,
ForkingUnixDatagramServer]
def testall():
testloop(socket.AF_INET, tcpservers, MyStreamHandler, teststream)
testloop(socket.AF_INET, udpservers, MyDatagramHandler, testdgram)
if hasattr(socket, 'AF_UNIX'):
testloop(socket.AF_UNIX, streamservers, MyStreamHandler, teststream)
# Alas, on Linux (at least) recvfrom() doesn't return a meaningful
# client address so this cannot work:
##testloop(socket.AF_UNIX, dgramservers, MyDatagramHandler, testdgram)
def test_main():
import imp
if imp.lock_held():
# If the import lock is held, the threads will hang.
raise TestSkipped("can't run when import lock is held")
try:
testall()
finally:
cleanup()
if __name__ == "__main__":
test_main()
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