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-rw-r--r--tests/test_immediate.cpp228
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diff --git a/tests/test_immediate.cpp b/tests/test_immediate.cpp
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-/*
- Copyright (c) 2007-2013 Contributors as noted in the AUTHORS file
-
- This file is part of 0MQ.
-
- 0MQ is free software; you can redistribute it and/or modify it under
- the terms of the GNU Lesser General Public License as published by
- the Free Software Foundation; either version 3 of the License, or
- (at your option) any later version.
-
- 0MQ is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU Lesser General Public License for more details.
-
- You should have received a copy of the GNU Lesser General Public License
- along with this program. If not, see <http://www.gnu.org/licenses/>.
-*/
-
-#include "testutil.hpp"
-
-int main (void)
-{
- setup_test_environment();
- int val;
- int rc;
- char buffer[16];
- // TEST 1.
- // First we're going to attempt to send messages to two
- // pipes, one connected, the other not. We should see
- // the PUSH load balancing to both pipes, and hence half
- // of the messages getting queued, as connect() creates a
- // pipe immediately.
-
- void *context = zmq_ctx_new();
- assert (context);
- void *to = zmq_socket(context, ZMQ_PULL);
- assert (to);
-
- // Bind the one valid receiver
- val = 0;
- rc = zmq_setsockopt(to, ZMQ_LINGER, &val, sizeof(val));
- assert (rc == 0);
- rc = zmq_bind (to, "tcp://127.0.0.1:6555");
- assert (rc == 0);
-
- // Create a socket pushing to two endpoints - only 1 message should arrive.
- void *from = zmq_socket (context, ZMQ_PUSH);
- assert(from);
-
- val = 0;
- zmq_setsockopt (from, ZMQ_LINGER, &val, sizeof (val));
- // This pipe will not connect
- rc = zmq_connect (from, "tcp://localhost:5556");
- assert (rc == 0);
- // This pipe will
- rc = zmq_connect (from, "tcp://localhost:6555");
- assert (rc == 0);
-
- // We send 10 messages, 5 should just get stuck in the queue
- // for the not-yet-connected pipe
- for (int i = 0; i < 10; ++i) {
- rc = zmq_send (from, "Hello", 5, 0);
- assert (rc == 5);
- }
-
- // We now consume from the connected pipe
- // - we should see just 5
- int timeout = 100;
- rc = zmq_setsockopt (to, ZMQ_RCVTIMEO, &timeout, sizeof (int));
- assert (rc == 0);
-
- int seen = 0;
- while (true) {
- rc = zmq_recv (to, &buffer, sizeof (buffer), 0);
- if (rc == -1)
- break; // Break when we didn't get a message
- seen++;
- }
- assert (seen == 5);
-
- rc = zmq_close (from);
- assert (rc == 0);
-
- rc = zmq_close (to);
- assert (rc == 0);
-
- rc = zmq_ctx_term (context);
- assert (rc == 0);
-
- // TEST 2
- // This time we will do the same thing, connect two pipes,
- // one of which will succeed in connecting to a bound
- // receiver, the other of which will fail. However, we will
- // also set the delay attach on connect flag, which should
- // cause the pipe attachment to be delayed until the connection
- // succeeds.
- context = zmq_ctx_new();
-
- // Bind the valid socket
- to = zmq_socket (context, ZMQ_PULL);
- assert (to);
- rc = zmq_bind (to, "tcp://127.0.0.1:5560");
- assert (rc == 0);
-
- val = 0;
- rc = zmq_setsockopt (to, ZMQ_LINGER, &val, sizeof(val));
- assert (rc == 0);
-
- // Create a socket pushing to two endpoints - all messages should arrive.
- from = zmq_socket (context, ZMQ_PUSH);
- assert (from);
-
- val = 0;
- rc = zmq_setsockopt (from, ZMQ_LINGER, &val, sizeof(val));
- assert (rc == 0);
-
- // Set the key flag
- val = 1;
- rc = zmq_setsockopt (from, ZMQ_IMMEDIATE, &val, sizeof(val));
- assert (rc == 0);
-
- // Connect to the invalid socket
- rc = zmq_connect (from, "tcp://localhost:5561");
- assert (rc == 0);
- // Connect to the valid socket
- rc = zmq_connect (from, "tcp://localhost:5560");
- assert (rc == 0);
-
- // Send 10 messages, all should be routed to the connected pipe
- for (int i = 0; i < 10; ++i) {
- rc = zmq_send (from, "Hello", 5, 0);
- assert (rc == 5);
- }
- rc = zmq_setsockopt (to, ZMQ_RCVTIMEO, &timeout, sizeof (int));
- assert (rc == 0);
-
- seen = 0;
- while (true) {
- rc = zmq_recv (to, &buffer, sizeof (buffer), 0);
- if (rc == -1)
- break; // Break when we didn't get a message
- seen++;
- }
- assert (seen == 10);
-
- rc = zmq_close (from);
- assert (rc == 0);
-
- rc = zmq_close (to);
- assert (rc == 0);
-
- rc = zmq_ctx_term (context);
- assert (rc == 0);
-
- // TEST 3
- // This time we want to validate that the same blocking behaviour
- // occurs with an existing connection that is broken. We will send
- // messages to a connected pipe, disconnect and verify the messages
- // block. Then we reconnect and verify messages flow again.
- context = zmq_ctx_new ();
-
- void *backend = zmq_socket (context, ZMQ_DEALER);
- assert (backend);
- void *frontend = zmq_socket (context, ZMQ_DEALER);
- assert (frontend);
- int zero = 0;
- rc = zmq_setsockopt (backend, ZMQ_LINGER, &zero, sizeof (zero));
- assert (rc == 0);
- rc = zmq_setsockopt (frontend, ZMQ_LINGER, &zero, sizeof (zero));
- assert (rc == 0);
-
- // Frontend connects to backend using IMMEDIATE
- int on = 1;
- rc = zmq_setsockopt (frontend, ZMQ_IMMEDIATE, &on, sizeof (on));
- assert (rc == 0);
- rc = zmq_bind (backend, "tcp://127.0.0.1:5560");
- assert (rc == 0);
- rc = zmq_connect (frontend, "tcp://localhost:5560");
- assert (rc == 0);
-
- // Ping backend to frontend so we know when the connection is up
- rc = zmq_send (backend, "Hello", 5, 0);
- assert (rc == 5);
- rc = zmq_recv (frontend, buffer, 255, 0);
- assert (rc == 5);
-
- // Send message from frontend to backend
- rc = zmq_send (frontend, "Hello", 5, ZMQ_DONTWAIT);
- assert (rc == 5);
-
- rc = zmq_close (backend);
- assert (rc == 0);
-
- // Give time to process disconnect
- msleep (SETTLE_TIME);
-
- // Send a message, should fail
- rc = zmq_send (frontend, "Hello", 5, ZMQ_DONTWAIT);
- assert (rc == -1);
-
- // Recreate backend socket
- backend = zmq_socket (context, ZMQ_DEALER);
- assert (backend);
- rc = zmq_setsockopt (backend, ZMQ_LINGER, &zero, sizeof (zero));
- assert (rc == 0);
- rc = zmq_bind (backend, "tcp://127.0.0.1:5560");
- assert (rc == 0);
-
- // Ping backend to frontend so we know when the connection is up
- rc = zmq_send (backend, "Hello", 5, 0);
- assert (rc == 5);
- rc = zmq_recv (frontend, buffer, 255, 0);
- assert (rc == 5);
-
- // After the reconnect, should succeed
- rc = zmq_send (frontend, "Hello", 5, ZMQ_DONTWAIT);
- assert (rc == 5);
-
- rc = zmq_close (backend);
- assert (rc == 0);
-
- rc = zmq_close (frontend);
- assert (rc == 0);
-
- rc = zmq_ctx_term (context);
- assert (rc == 0);
-}
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