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da31917f4f
Relicense permission collected from all relevant authors as tallied at: https://github.com/rlenferink/libzmq-relicense/blob/master/checklist.md The relicense grants are collected under RELICENSE/ and will be moved to the above repository in a later commit. Fixes https://github.com/zeromq/libzmq/issues/2376
129 lines
4.6 KiB
C++
129 lines
4.6 KiB
C++
/* SPDX-License-Identifier: MPL-2.0 */
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#include "testutil.hpp"
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#include "testutil_unity.hpp"
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SETUP_TEARDOWN_TESTCONTEXT
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void test_with_handover ()
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{
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char my_endpoint[MAX_SOCKET_STRING];
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void *router = test_context_socket (ZMQ_ROUTER);
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bind_loopback_ipv4 (router, my_endpoint, sizeof my_endpoint);
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// Enable the handover flag
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int handover = 1;
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TEST_ASSERT_SUCCESS_ERRNO (zmq_setsockopt (router, ZMQ_ROUTER_HANDOVER,
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&handover, sizeof (handover)));
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// Create dealer called "X" and connect it to our router
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void *dealer_one = test_context_socket (ZMQ_DEALER);
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TEST_ASSERT_SUCCESS_ERRNO (
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zmq_setsockopt (dealer_one, ZMQ_ROUTING_ID, "X", 1));
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TEST_ASSERT_SUCCESS_ERRNO (zmq_connect (dealer_one, my_endpoint));
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// Get message from dealer to know when connection is ready
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char buffer[255];
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send_string_expect_success (dealer_one, "Hello", 0);
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recv_string_expect_success (router, "X", 0);
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recv_string_expect_success (router, "Hello", 0);
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// Now create a second dealer that uses the same routing id
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void *dealer_two = test_context_socket (ZMQ_DEALER);
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TEST_ASSERT_SUCCESS_ERRNO (
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zmq_setsockopt (dealer_two, ZMQ_ROUTING_ID, "X", 1));
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TEST_ASSERT_SUCCESS_ERRNO (zmq_connect (dealer_two, my_endpoint));
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// Get message from dealer to know when connection is ready
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send_string_expect_success (dealer_two, "Hello", 0);
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recv_string_expect_success (router, "X", 0);
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recv_string_expect_success (router, "Hello", 0);
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// Send a message to 'X' routing id. This should be delivered
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// to the second dealer, instead of the first because of the handover.
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send_string_expect_success (router, "X", ZMQ_SNDMORE);
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send_string_expect_success (router, "Hello", 0);
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// Ensure that the first dealer doesn't receive the message
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// but the second one does
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const int timeout = SETTLE_TIME;
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TEST_ASSERT_SUCCESS_ERRNO (
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zmq_setsockopt (dealer_one, ZMQ_RCVTIMEO, &timeout, sizeof timeout));
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TEST_ASSERT_FAILURE_ERRNO (EAGAIN, zmq_recv (dealer_one, buffer, 255, 0));
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recv_string_expect_success (dealer_two, "Hello", 0);
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test_context_socket_close (router);
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test_context_socket_close (dealer_one);
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test_context_socket_close (dealer_two);
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}
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void test_without_handover ()
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{
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size_t len = MAX_SOCKET_STRING;
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char my_endpoint[MAX_SOCKET_STRING];
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void *router = test_context_socket (ZMQ_ROUTER);
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TEST_ASSERT_SUCCESS_ERRNO (zmq_bind (router, "tcp://127.0.0.1:*"));
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TEST_ASSERT_SUCCESS_ERRNO (
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zmq_getsockopt (router, ZMQ_LAST_ENDPOINT, my_endpoint, &len));
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// Create dealer called "X" and connect it to our router
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void *dealer_one = test_context_socket (ZMQ_DEALER);
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TEST_ASSERT_SUCCESS_ERRNO (
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zmq_setsockopt (dealer_one, ZMQ_ROUTING_ID, "X", 1));
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TEST_ASSERT_SUCCESS_ERRNO (zmq_connect (dealer_one, my_endpoint));
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// Get message from dealer to know when connection is ready
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char buffer[255];
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send_string_expect_success (dealer_one, "Hello", 0);
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recv_string_expect_success (router, "X", 0);
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recv_string_expect_success (router, "Hello", 0);
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// Now create a second dealer that uses the same routing id
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void *dealer_two = test_context_socket (ZMQ_DEALER);
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TEST_ASSERT_SUCCESS_ERRNO (
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zmq_setsockopt (dealer_two, ZMQ_ROUTING_ID, "X", 1));
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TEST_ASSERT_SUCCESS_ERRNO (zmq_connect (dealer_two, my_endpoint));
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// Send message from second dealer
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send_string_expect_success (dealer_two, "Hello", 0);
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// This should be ignored by the router
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const int timeout = SETTLE_TIME;
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TEST_ASSERT_SUCCESS_ERRNO (
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zmq_setsockopt (router, ZMQ_RCVTIMEO, &timeout, sizeof timeout));
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TEST_ASSERT_FAILURE_ERRNO (EAGAIN, zmq_recv (router, buffer, 255, 0));
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// Send a message to 'X' routing id. This should be delivered
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// to the second dealer, instead of the first because of the handover.
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send_string_expect_success (router, "X", ZMQ_SNDMORE);
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send_string_expect_success (router, "Hello", 0);
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// Ensure that the second dealer doesn't receive the message
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// but the first one does
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TEST_ASSERT_SUCCESS_ERRNO (
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zmq_setsockopt (dealer_two, ZMQ_RCVTIMEO, &timeout, sizeof timeout));
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TEST_ASSERT_FAILURE_ERRNO (EAGAIN, zmq_recv (dealer_two, buffer, 255, 0));
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recv_string_expect_success (dealer_one, "Hello", 0);
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test_context_socket_close (router);
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test_context_socket_close (dealer_one);
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test_context_socket_close (dealer_two);
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}
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int main ()
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{
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setup_test_environment ();
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UNITY_BEGIN ();
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RUN_TEST (test_with_handover);
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RUN_TEST (test_without_handover);
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return UNITY_END ();
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}
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