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_req.cpp | 253 ++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 253 insertions(+) create mode 100644 tests/test_spec_req.cpp (limited to 'tests/test_spec_req.cpp') diff --git a/tests/test_spec_req.cpp b/tests/test_spec_req.cpp new file mode 100644 index 0000000..8e3e721 --- /dev/null +++ b/tests/test_spec_req.cpp @@ -0,0 +1,253 @@ +/* + 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 *req = zmq_socket (ctx, ZMQ_REQ); + assert (req); + + int rc = zmq_bind (req, 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); + } + // We have to give the connects time to finish otherwise the requests + // will not properly round-robin. We could alternatively connect the + // REQ sockets to the REP sockets. + msleep (SETTLE_TIME); + + // Send our peer-replies, and expect every REP it used once in order + for (size_t peer = 0; peer < services; peer++) { + s_send_seq (req, "ABC", SEQ_END); + s_recv_seq (rep [peer], "ABC", SEQ_END); + s_send_seq (rep [peer], "DEF", SEQ_END); + s_recv_seq (req, "DEF", SEQ_END); + } + + close_zero_linger (req); + 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_req_only_listens_to_current_peer (void *ctx) +{ + void *req = zmq_socket (ctx, ZMQ_REQ); + assert (req); + + int rc = zmq_setsockopt(req, ZMQ_IDENTITY, "A", 2); + assert (rc == 0); + + rc = zmq_bind (req, bind_address); + assert (rc == 0); + + const size_t services = 3; + void *router [services]; + + for (size_t i = 0; i < services; ++i) { + router [i] = zmq_socket (ctx, ZMQ_ROUTER); + assert (router [i]); + + int timeout = 100; + rc = zmq_setsockopt (router [i], ZMQ_RCVTIMEO, &timeout, sizeof (timeout)); + assert (rc == 0); + + int enabled = 1; + rc = zmq_setsockopt (router [i], ZMQ_ROUTER_MANDATORY, &enabled, sizeof (enabled)); + assert (rc == 0); + + rc = zmq_connect (router [i], connect_address); + assert (rc == 0); + } + + // Wait for connects to finish. + rc = zmq_poll (0, 0, 100); + assert (rc == 0); + + for (size_t i = 0; i < services; ++i) { + // There still is a race condition when a stale peer's message + // arrives at the REQ just after a request was sent to that peer. + // To avoid that happening in the test, sleep for a bit. + rc = zmq_poll (0, 0, 10); + assert (rc == 0); + + s_send_seq (req, "ABC", SEQ_END); + + // Receive on router i + s_recv_seq (router [i], "A", 0, "ABC", SEQ_END); + + // Send back replies on all routers + for (size_t j = 0; j < services; ++j) { + const char *replies [] = { "WRONG", "GOOD" }; + const char *reply = replies [i == j ? 1 : 0]; + s_send_seq (router [j], "A", 0, reply, SEQ_END); + } + + // Receive only the good reply + s_recv_seq (req, "GOOD", SEQ_END); + } + + close_zero_linger (req); + for (size_t i = 0; i < services; ++i) + close_zero_linger (router [i]); + + // Wait for disconnects. + rc = zmq_poll (0, 0, 100); + assert (rc == 0); +} + +void test_req_message_format (void *ctx) +{ + void *req = zmq_socket (ctx, ZMQ_REQ); + assert (req); + + void *router = zmq_socket (ctx, ZMQ_ROUTER); + assert (router); + + int rc = zmq_bind (req, bind_address); + assert (rc == 0); + + rc = zmq_connect (router, connect_address); + assert (rc == 0); + + // Send a multi-part request. + s_send_seq (req, "ABC", "DEF", SEQ_END); + + zmq_msg_t msg; + zmq_msg_init (&msg); + + // Receive peer identity + rc = zmq_msg_recv (&msg, router, 0); + assert (rc != -1); + assert (zmq_msg_size (&msg) > 0); + zmq_msg_t peer_id_msg; + zmq_msg_init (&peer_id_msg); + zmq_msg_copy (&peer_id_msg, &msg); + + int more = 0; + size_t more_size = sizeof (more); + rc = zmq_getsockopt (router, ZMQ_RCVMORE, &more, &more_size); + assert (rc == 0); + assert (more); + + // Receive the rest. + s_recv_seq (router, 0, "ABC", "DEF", SEQ_END); + + // Send back a single-part reply. + rc = zmq_msg_send (&peer_id_msg, router, ZMQ_SNDMORE); + assert (rc != -1); + s_send_seq (router, 0, "GHI", SEQ_END); + + // Receive reply. + s_recv_seq (req, "GHI", SEQ_END); + + rc = zmq_msg_close (&msg); + assert (rc == 0); + + rc = zmq_msg_close (&peer_id_msg); + assert (rc == 0); + + close_zero_linger (req); + close_zero_linger (router); + + // 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_REQ); + 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 transport = 0; transport < 2; transport++) { + bind_address = binds [transport]; + connect_address = connects [transport]; + + // SHALL route outgoing messages to connected peers using a round-robin + // strategy. + test_round_robin_out (ctx); + + // The request and reply messages SHALL have this format on the wire: + // * A delimiter, consisting of an empty frame, added by the REQ socket. + // * One or more data frames, comprising the message visible to the + // application. + test_req_message_format (ctx); + + // SHALL block on sending, or return a suitable error, when it has no + // connected peers. + test_block_on_send_no_peers (ctx); + + // SHALL accept an incoming message only from the last peer that it sent a + // request to. + // SHALL discard silently any messages received from other peers. + // PH: this test is still failing; disabled for now to allow build to + // complete. + // test_req_only_listens_to_current_peer (ctx); + } + + int rc = zmq_ctx_term (ctx); + assert (rc == 0); + + return 0 ; +} -- cgit v1.2.3