From 597cc5edd624525563e6549dc0057eca2a51c81d Mon Sep 17 00:00:00 2001 From: Micah Anderson Date: Tue, 11 Nov 2014 13:30:46 -0500 Subject: upgrade to new version --- tests/test_spec_dealer.cpp | 254 +++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 254 insertions(+) create mode 100644 tests/test_spec_dealer.cpp (limited to 'tests/test_spec_dealer.cpp') diff --git a/tests/test_spec_dealer.cpp b/tests/test_spec_dealer.cpp new file mode 100644 index 0000000..7d36d86 --- /dev/null +++ b/tests/test_spec_dealer.cpp @@ -0,0 +1,254 @@ +/* + 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 . +*/ + +#include "testutil.hpp" + +const char *bind_address = 0; +const char *connect_address = 0; + +void test_round_robin_out (void *ctx) +{ + void *dealer = zmq_socket (ctx, ZMQ_DEALER); + assert (dealer); + + int rc = zmq_bind (dealer, bind_address); + assert (rc == 0); + + const size_t services = 5; + void *rep [services]; + for (size_t peer = 0; peer < services; ++peer) { + rep [peer] = zmq_socket (ctx, ZMQ_REP); + assert (rep [peer]); + + int timeout = 100; + rc = zmq_setsockopt (rep [peer], ZMQ_RCVTIMEO, &timeout, sizeof (int)); + assert (rc == 0); + + rc = zmq_connect (rep [peer], connect_address); + assert (rc == 0); + } + + // Wait for connections. + rc = zmq_poll (0, 0, 100); + assert (rc == 0); + + // Send all requests + for (size_t i = 0; i < services; ++i) + s_send_seq (dealer, 0, "ABC", SEQ_END); + + // Expect every REP got one message + zmq_msg_t msg; + zmq_msg_init (&msg); + + for (size_t peer = 0; peer < services; ++peer) + s_recv_seq (rep [peer], "ABC", SEQ_END); + + rc = zmq_msg_close (&msg); + assert (rc == 0); + + close_zero_linger (dealer); + + for (size_t peer = 0; peer < services; ++peer) + close_zero_linger (rep [peer]); + + // Wait for disconnects. + rc = zmq_poll (0, 0, 100); + assert (rc == 0); +} + +void test_fair_queue_in (void *ctx) +{ + void *receiver = zmq_socket (ctx, ZMQ_DEALER); + assert (receiver); + + int timeout = 100; + int rc = zmq_setsockopt (receiver, ZMQ_RCVTIMEO, &timeout, sizeof (int)); + assert (rc == 0); + + rc = zmq_bind (receiver, bind_address); + assert (rc == 0); + + const size_t services = 5; + void *senders [services]; + for (size_t peer = 0; peer < services; ++peer) { + senders [peer] = zmq_socket (ctx, ZMQ_DEALER); + assert (senders [peer]); + + rc = zmq_setsockopt (senders [peer], ZMQ_RCVTIMEO, &timeout, sizeof (int)); + assert (rc == 0); + + rc = zmq_connect (senders [peer], connect_address); + assert (rc == 0); + } + + zmq_msg_t msg; + rc = zmq_msg_init (&msg); + assert (rc == 0); + + s_send_seq (senders [0], "A", SEQ_END); + s_recv_seq (receiver, "A", SEQ_END); + + s_send_seq (senders [0], "A", SEQ_END); + s_recv_seq (receiver, "A", SEQ_END); + + // send our requests + for (size_t peer = 0; peer < services; ++peer) + s_send_seq (senders [peer], "B", SEQ_END); + + // Wait for data. + rc = zmq_poll (0, 0, 50); + assert (rc == 0); + + // handle the requests + for (size_t peer = 0; peer < services; ++peer) + s_recv_seq (receiver, "B", SEQ_END); + + rc = zmq_msg_close (&msg); + assert (rc == 0); + + close_zero_linger (receiver); + + for (size_t peer = 0; peer < services; ++peer) + close_zero_linger (senders [peer]); + + // Wait for disconnects. + rc = zmq_poll (0, 0, 100); + assert (rc == 0); +} + +void test_destroy_queue_on_disconnect (void *ctx) +{ + void *A = zmq_socket (ctx, ZMQ_DEALER); + assert (A); + + int rc = zmq_bind (A, bind_address); + assert (rc == 0); + + void *B = zmq_socket (ctx, ZMQ_DEALER); + assert (B); + + rc = zmq_connect (B, connect_address); + assert (rc == 0); + + // Send a message in both directions + s_send_seq (A, "ABC", SEQ_END); + s_send_seq (B, "DEF", SEQ_END); + + rc = zmq_disconnect (B, connect_address); + assert (rc == 0); + + // Disconnect may take time and need command processing. + zmq_pollitem_t poller [2] = { { A, 0, 0, 0 }, { B, 0, 0, 0 } }; + rc = zmq_poll (poller, 2, 100); + assert (rc == 0); + rc = zmq_poll (poller, 2, 100); + assert (rc == 0); + + // No messages should be available, sending should fail. + zmq_msg_t msg; + zmq_msg_init (&msg); + + rc = zmq_send (A, 0, 0, ZMQ_DONTWAIT); + assert (rc == -1); + assert (errno == EAGAIN); + + rc = zmq_msg_recv (&msg, A, ZMQ_DONTWAIT); + assert (rc == -1); + assert (errno == EAGAIN); + + // After a reconnect of B, the messages should still be gone + rc = zmq_connect (B, connect_address); + assert (rc == 0); + + rc = zmq_msg_recv (&msg, A, ZMQ_DONTWAIT); + assert (rc == -1); + assert (errno == EAGAIN); + + rc = zmq_msg_recv (&msg, B, ZMQ_DONTWAIT); + assert (rc == -1); + assert (errno == EAGAIN); + + rc = zmq_msg_close (&msg); + assert (rc == 0); + + close_zero_linger (A); + close_zero_linger (B); + + // Wait for disconnects. + rc = zmq_poll (0, 0, 100); + assert (rc == 0); +} + +void test_block_on_send_no_peers (void *ctx) +{ + void *sc = zmq_socket (ctx, ZMQ_DEALER); + assert (sc); + + int timeout = 100; + int rc = zmq_setsockopt (sc, ZMQ_SNDTIMEO, &timeout, sizeof (timeout)); + assert (rc == 0); + + rc = zmq_send (sc, 0, 0, ZMQ_DONTWAIT); + assert (rc == -1); + assert (errno == EAGAIN); + + rc = zmq_send (sc, 0, 0, 0); + assert (rc == -1); + assert (errno == EAGAIN); + + rc = zmq_close (sc); + assert (rc == 0); +} + +int main (void) +{ + setup_test_environment(); + void *ctx = zmq_ctx_new (); + assert (ctx); + + const char *binds [] = { "inproc://a", "tcp://127.0.0.1:5555" }; + const char *connects [] = { "inproc://a", "tcp://localhost:5555" }; + + for (int transports = 0; transports < 2; ++transports) { + bind_address = binds [transports]; + connect_address = connects [transports]; + + // SHALL route outgoing messages to available peers using a round-robin + // strategy. + test_round_robin_out (ctx); + + // SHALL receive incoming messages from its peers using a fair-queuing + // strategy. + test_fair_queue_in (ctx); + + // SHALL block on sending, or return a suitable error, when it has no connected peers. + test_block_on_send_no_peers (ctx); + + // SHALL create a double queue when a peer connects to it. If this peer + // disconnects, the DEALER socket SHALL destroy its double queue and SHALL + // discard any messages it contains. + // *** Test disabled until libzmq does this properly *** + // test_destroy_queue_on_disconnect (ctx); + } + + int rc = zmq_ctx_term (ctx); + assert (rc == 0); + + return 0 ; +} -- cgit v1.2.3