def connect(host, cookie, cmd, idir, status=''):
# set communication channel to our Erlang node, user must specify host, node
# name, cookie.
addr = socket.gethostbyaddr(host)
hostname, aliaslist, addresslist = socket.gethostbyaddr(host)
addr = addresslist[0]
name = "mynode"
node = name + "@" + hostname
# initialize the erl_connect module, see http://www.erlang.org/doc/man/erl_connect.html
ret = pyerl.connect_xinit(host, name, node, addr, cookie, 1)
sock = pyerl.xconnect(addr, name)
if sock < 0: # fail to connect
print "Fail to connect to Erlang node"
sys.exit(0)
# print "connect to node=%s, addr=%s, sock=%s" % (node, addr, sock)
# call test code
server = "bapp_server"
if status:
eterm = get_status(sock, server, name, status)
else:
eterm = test_black_box(sock, server, cmd, idir)
print "server reply:", eterm
# close connection to our server
pyerl.close_connection(sock)
def test_rpc(self):
host = "localhost"
name = "test"
node = name + "@" + host
cookie = "TESTCOOKIE"
ret = pyerl.connect_xinit(host, name, node, "127.0.0.1", cookie, 1)
self.assertEqual(ret, 1);
retry = 0
while True:
time.sleep(1)
sock = pyerl.xconnect("127.0.0.1", "node1")
if sock > 0: break
if retry > 3: self.fail()
retry += 1
self.assertEqual(sock > 0, True)
atom = pyerl.mk_atom("ping")
args = pyerl.mk_list([atom]);
eterm = pyerl.rpc(sock, "pingpong", "ping", args);
ret = pyerl.close_connection(sock);
self.assertEqual(ret, 0);
self.assertEqual(eterm.type, pyerl.ATOM);
self.assertEqual(eterm.is_atom(), True);
self.assertEqual(str(eterm), "pong");
def test_rpc(self):
host = "localhost"
name = "test"
node = name + "@" + host
cookie = "TESTCOOKIE"
ret = pyerl.connect_xinit(host, name, node, "127.0.0.1", cookie, 1)
self.assertEqual(ret, 1)
retry = 0
while True:
time.sleep(1)
sock = pyerl.xconnect("127.0.0.1", "node1")
if sock > 0: break
if retry > 3: self.fail()
retry += 1
self.assertEqual(sock > 0, True)
atom = pyerl.mk_atom("ping")
args = pyerl.mk_list([atom])
eterm = pyerl.rpc(sock, "pingpong", "ping", args)
ret = pyerl.close_connection(sock)
self.assertEqual(ret, 0)
self.assertEqual(eterm.type, pyerl.ATOM)
self.assertEqual(eterm.is_atom(), True)
self.assertEqual(str(eterm), "pong")