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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
296 lines
9.1 KiB
C++
296 lines
9.1 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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#include <string.h>
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SETUP_TEARDOWN_TESTCONTEXT
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void test_sockopt_router_notify ()
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{
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void *router = test_context_socket (ZMQ_ROUTER);
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int opt_notify;
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int opt_notify_read;
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size_t opt_notify_read_size = sizeof (opt_notify_read);
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// default value is off when socket is constructed
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TEST_ASSERT_SUCCESS_ERRNO (zmq_getsockopt (
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router, ZMQ_ROUTER_NOTIFY, &opt_notify_read, &opt_notify_read_size));
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TEST_ASSERT_EQUAL (0, opt_notify_read);
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// valid value - Connect
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opt_notify = ZMQ_NOTIFY_CONNECT;
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TEST_ASSERT_SUCCESS_ERRNO (zmq_setsockopt (
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router, ZMQ_ROUTER_NOTIFY, &opt_notify, sizeof (opt_notify)));
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TEST_ASSERT_SUCCESS_ERRNO (zmq_getsockopt (
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router, ZMQ_ROUTER_NOTIFY, &opt_notify_read, &opt_notify_read_size));
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TEST_ASSERT_EQUAL (opt_notify, opt_notify_read);
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// valid value - Disconnect
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opt_notify = ZMQ_NOTIFY_DISCONNECT;
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TEST_ASSERT_SUCCESS_ERRNO (zmq_setsockopt (
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router, ZMQ_ROUTER_NOTIFY, &opt_notify, sizeof (opt_notify)));
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TEST_ASSERT_SUCCESS_ERRNO (zmq_getsockopt (
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router, ZMQ_ROUTER_NOTIFY, &opt_notify_read, &opt_notify_read_size));
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TEST_ASSERT_EQUAL (opt_notify, opt_notify_read);
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// valid value - Off
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opt_notify = 0;
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TEST_ASSERT_SUCCESS_ERRNO (zmq_setsockopt (
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router, ZMQ_ROUTER_NOTIFY, &opt_notify, sizeof (opt_notify)));
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TEST_ASSERT_SUCCESS_ERRNO (zmq_getsockopt (
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router, ZMQ_ROUTER_NOTIFY, &opt_notify_read, &opt_notify_read_size));
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TEST_ASSERT_EQUAL (opt_notify, opt_notify_read);
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// valid value - Both
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opt_notify = ZMQ_NOTIFY_CONNECT | ZMQ_NOTIFY_DISCONNECT;
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TEST_ASSERT_SUCCESS_ERRNO (zmq_setsockopt (
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router, ZMQ_ROUTER_NOTIFY, &opt_notify, sizeof (opt_notify)));
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TEST_ASSERT_SUCCESS_ERRNO (zmq_getsockopt (
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router, ZMQ_ROUTER_NOTIFY, &opt_notify_read, &opt_notify_read_size));
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TEST_ASSERT_EQUAL (opt_notify, opt_notify_read);
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// value boundary
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opt_notify = -1;
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TEST_ASSERT_FAILURE_ERRNO (
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EINVAL, zmq_setsockopt (router, ZMQ_ROUTER_NOTIFY, &opt_notify,
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sizeof (opt_notify)));
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opt_notify = (ZMQ_NOTIFY_CONNECT | ZMQ_NOTIFY_DISCONNECT) + 1;
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TEST_ASSERT_FAILURE_ERRNO (
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EINVAL, zmq_setsockopt (router, ZMQ_ROUTER_NOTIFY, &opt_notify,
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sizeof (opt_notify)));
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// failures don't update the value
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TEST_ASSERT_SUCCESS_ERRNO (zmq_getsockopt (
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router, ZMQ_ROUTER_NOTIFY, &opt_notify_read, &opt_notify_read_size));
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TEST_ASSERT_EQUAL (ZMQ_NOTIFY_CONNECT | ZMQ_NOTIFY_DISCONNECT,
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opt_notify_read);
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test_context_socket_close (router);
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// check a non-router socket type
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void *dealer = test_context_socket (ZMQ_DEALER);
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// setsockopt fails for non-router sockets
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opt_notify = ZMQ_NOTIFY_CONNECT;
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TEST_ASSERT_FAILURE_ERRNO (
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EINVAL, zmq_setsockopt (dealer, ZMQ_ROUTER_NOTIFY, &opt_notify,
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sizeof (opt_notify)));
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// getsockopts returns off for any non-router socket
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TEST_ASSERT_SUCCESS_ERRNO (zmq_getsockopt (
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dealer, ZMQ_ROUTER_NOTIFY, &opt_notify_read, &opt_notify_read_size));
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TEST_ASSERT_EQUAL (0, opt_notify_read);
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test_context_socket_close (dealer);
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}
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void test_router_notify_helper (int opt_notify_)
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{
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void *router = test_context_socket (ZMQ_ROUTER);
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int opt_more;
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size_t opt_more_length = sizeof (opt_more);
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int opt_events;
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size_t opt_events_length = sizeof (opt_events);
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char connect_address[MAX_SOCKET_STRING];
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// valid values
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TEST_ASSERT_SUCCESS_ERRNO (zmq_setsockopt (
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router, ZMQ_ROUTER_NOTIFY, &opt_notify_, sizeof (opt_notify_)));
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bind_loopback_ipv4 (router, connect_address, sizeof connect_address);
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void *dealer = test_context_socket (ZMQ_DEALER);
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const char *dealer_routing_id = "X";
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TEST_ASSERT_SUCCESS_ERRNO (
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zmq_setsockopt (dealer, ZMQ_ROUTING_ID, dealer_routing_id, 1));
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// dealer connects
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TEST_ASSERT_SUCCESS_ERRNO (zmq_connect (dealer, connect_address));
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// connection notification msg
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if (opt_notify_ & ZMQ_NOTIFY_CONNECT) {
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// routing-id only message of the connect
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recv_string_expect_success (router, dealer_routing_id,
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0); // 1st part: routing-id
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recv_string_expect_success (router, "", 0); // 2nd part: empty
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TEST_ASSERT_SUCCESS_ERRNO (
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zmq_getsockopt (router, ZMQ_RCVMORE, &opt_more, &opt_more_length));
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TEST_ASSERT_EQUAL (0, opt_more);
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}
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// test message from the dealer
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send_string_expect_success (dealer, "Hello", 0);
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recv_string_expect_success (router, dealer_routing_id, 0);
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recv_string_expect_success (router, "Hello", 0);
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TEST_ASSERT_SUCCESS_ERRNO (
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zmq_getsockopt (router, ZMQ_RCVMORE, &opt_more, &opt_more_length));
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TEST_ASSERT_EQUAL (0, opt_more);
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// dealer disconnects
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TEST_ASSERT_SUCCESS_ERRNO (zmq_disconnect (dealer, connect_address));
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// need one more process_commands() (???)
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msleep (SETTLE_TIME);
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zmq_getsockopt (dealer, ZMQ_EVENTS, &opt_events, &opt_events_length);
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// connection notification msg
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if (opt_notify_ & ZMQ_NOTIFY_DISCONNECT) {
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// routing-id only message of the connect
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recv_string_expect_success (router, dealer_routing_id,
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0); // 1st part: routing-id
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recv_string_expect_success (router, "", 0); // 2nd part: empty
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TEST_ASSERT_SUCCESS_ERRNO (
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zmq_getsockopt (router, ZMQ_RCVMORE, &opt_more, &opt_more_length));
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TEST_ASSERT_EQUAL (0, opt_more);
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}
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test_context_socket_close (dealer);
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test_context_socket_close (router);
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}
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void test_router_notify_connect ()
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{
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test_router_notify_helper (ZMQ_NOTIFY_CONNECT);
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}
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void test_router_notify_disconnect ()
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{
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test_router_notify_helper (ZMQ_NOTIFY_DISCONNECT);
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}
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void test_router_notify_both ()
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{
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test_router_notify_helper (ZMQ_NOTIFY_CONNECT | ZMQ_NOTIFY_DISCONNECT);
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}
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void test_handshake_fail ()
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{
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// setup router socket
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void *router = test_context_socket (ZMQ_ROUTER);
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int opt_timeout = 200;
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int opt_notify = ZMQ_NOTIFY_CONNECT | ZMQ_NOTIFY_DISCONNECT;
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char connect_address[MAX_SOCKET_STRING];
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// valid values
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TEST_ASSERT_SUCCESS_ERRNO (zmq_setsockopt (
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router, ZMQ_ROUTER_NOTIFY, &opt_notify, sizeof (opt_notify)));
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TEST_ASSERT_SUCCESS_ERRNO (zmq_setsockopt (
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router, ZMQ_RCVTIMEO, &opt_timeout, sizeof (opt_timeout)));
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bind_loopback_ipv4 (router, connect_address, sizeof connect_address);
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// send something on raw tcp
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void *stream = test_context_socket (ZMQ_STREAM);
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TEST_ASSERT_SUCCESS_ERRNO (zmq_connect (stream, connect_address));
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send_string_expect_success (stream, "not-a-handshake", 0);
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TEST_ASSERT_SUCCESS_ERRNO (zmq_disconnect (stream, connect_address));
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test_context_socket_close (stream);
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// no notification delivered
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char buffer[255];
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TEST_ASSERT_FAILURE_ERRNO (EAGAIN,
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zmq_recv (router, buffer, sizeof (buffer), 0));
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test_context_socket_close (router);
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}
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void test_error_during_multipart ()
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{
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/*
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* If the disconnect occurs in the middle of the multipart
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* message, the socket should not add the notification at the
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* end of the incomplete message. It must discard the incomplete
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* message, and delivert the notification as a new message.
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*/
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char connect_address[MAX_SOCKET_STRING];
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char long_str[128] = {0};
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memset (long_str, '*', sizeof (long_str) - 1);
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// setup router
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void *router = test_context_socket (ZMQ_ROUTER);
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int opt_notify = ZMQ_NOTIFY_DISCONNECT;
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TEST_ASSERT_SUCCESS_ERRNO (zmq_setsockopt (
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router, ZMQ_ROUTER_NOTIFY, &opt_notify, sizeof (opt_notify)));
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int64_t opt_maxmsgsize = 64; // the handshake fails if this is too small
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TEST_ASSERT_SUCCESS_ERRNO (zmq_setsockopt (
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router, ZMQ_MAXMSGSIZE, &opt_maxmsgsize, sizeof (opt_maxmsgsize)));
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bind_loopback_ipv4 (router, connect_address, sizeof connect_address);
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// setup dealer
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void *dealer = test_context_socket (ZMQ_DEALER);
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const char *dealer_routing_id = "X";
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TEST_ASSERT_SUCCESS_ERRNO (
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zmq_setsockopt (dealer, ZMQ_ROUTING_ID, dealer_routing_id, 1));
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TEST_ASSERT_SUCCESS_ERRNO (zmq_connect (dealer, connect_address));
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// send multipart message, the 2nd part causes a disconnect.
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send_string_expect_success (dealer, "Hello2", ZMQ_SNDMORE);
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send_string_expect_success (dealer, long_str, 0);
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// disconnect notification
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recv_string_expect_success (router, dealer_routing_id, 0);
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recv_string_expect_success (router, "", 0);
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test_context_socket_close (dealer);
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test_context_socket_close (router);
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}
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int main (void)
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{
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setup_test_environment ();
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UNITY_BEGIN ();
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RUN_TEST (test_sockopt_router_notify);
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RUN_TEST (test_router_notify_connect);
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RUN_TEST (test_router_notify_disconnect);
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RUN_TEST (test_router_notify_both);
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RUN_TEST (test_handshake_fail);
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RUN_TEST (test_error_during_multipart);
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return UNITY_END ();
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}
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