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https://github.com/zeromq/libzmq.git
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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
94 lines
3.2 KiB
C++
94 lines
3.2 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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// DEBUG shouldn't be defined in sources as it will cause a redefined symbol
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// error when it is defined in the build configuration. It appears that the
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// intent here is to semi-permanently disable DEBUG tracing statements, so the
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// implementation is changed to accommodate that intent.
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//#define DEBUG 0
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#define TRACE_ENABLED 0
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void test_router_mandatory_hwm ()
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{
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if (TRACE_ENABLED)
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fprintf (stderr, "Staring router mandatory HWM test ...\n");
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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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// Configure router socket to mandatory routing and set HWM and linger
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int mandatory = 1;
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TEST_ASSERT_SUCCESS_ERRNO (zmq_setsockopt (router, ZMQ_ROUTER_MANDATORY,
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&mandatory, sizeof (mandatory)));
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int sndhwm = 1;
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TEST_ASSERT_SUCCESS_ERRNO (
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zmq_setsockopt (router, ZMQ_SNDHWM, &sndhwm, sizeof (sndhwm)));
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int linger = 1;
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TEST_ASSERT_SUCCESS_ERRNO (
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zmq_setsockopt (router, ZMQ_LINGER, &linger, sizeof (linger)));
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bind_loopback_ipv4 (router, my_endpoint, sizeof my_endpoint);
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// Create dealer called "X" and connect it to our router, configure HWM
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void *dealer = test_context_socket (ZMQ_DEALER);
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TEST_ASSERT_SUCCESS_ERRNO (zmq_setsockopt (dealer, ZMQ_ROUTING_ID, "X", 1));
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int rcvhwm = 1;
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TEST_ASSERT_SUCCESS_ERRNO (
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zmq_setsockopt (dealer, ZMQ_RCVHWM, &rcvhwm, sizeof (rcvhwm)));
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TEST_ASSERT_SUCCESS_ERRNO (zmq_connect (dealer, 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, "Hello", 0);
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recv_string_expect_success (router, "X", 0);
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int i;
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const int buf_size = 65536;
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const uint8_t buf[buf_size] = {0};
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// Send first batch of messages
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for (i = 0; i < 100000; ++i) {
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if (TRACE_ENABLED)
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fprintf (stderr, "Sending message %d ...\n", i);
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const int rc = zmq_send (router, "X", 1, ZMQ_DONTWAIT | ZMQ_SNDMORE);
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if (rc == -1 && zmq_errno () == EAGAIN)
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break;
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TEST_ASSERT_EQUAL_INT (1, rc);
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send_array_expect_success (router, buf, ZMQ_DONTWAIT);
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}
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// This should fail after one message but kernel buffering could
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// skew results
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TEST_ASSERT_LESS_THAN_INT (10, i);
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msleep (1000);
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// Send second batch of messages
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for (; i < 100000; ++i) {
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if (TRACE_ENABLED)
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fprintf (stderr, "Sending message %d (part 2) ...\n", i);
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const int rc = zmq_send (router, "X", 1, ZMQ_DONTWAIT | ZMQ_SNDMORE);
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if (rc == -1 && zmq_errno () == EAGAIN)
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break;
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TEST_ASSERT_EQUAL_INT (1, rc);
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send_array_expect_success (router, buf, ZMQ_DONTWAIT);
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}
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// This should fail after two messages but kernel buffering could
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// skew results
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TEST_ASSERT_LESS_THAN_INT (20, i);
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if (TRACE_ENABLED)
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fprintf (stderr, "Done sending messages.\n");
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test_context_socket_close (router);
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test_context_socket_close (dealer);
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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_router_mandatory_hwm);
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return UNITY_END ();
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}
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