| /* |
| Copyright (c) 2012 Martin Sustrik All rights reserved. |
| |
| Permission is hereby granted, free of charge, to any person obtaining a copy |
| of this software and associated documentation files (the "Software"), |
| to deal in the Software without restriction, including without limitation |
| the rights to use, copy, modify, merge, publish, distribute, sublicense, |
| and/or sell copies of the Software, and to permit persons to whom |
| the Software is furnished to do so, subject to the following conditions: |
| |
| The above copyright notice and this permission notice shall be included |
| in all copies or substantial portions of the Software. |
| |
| THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL |
| THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
| LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING |
| FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS |
| IN THE SOFTWARE. |
| */ |
| |
| #include "../src/nn.h" |
| #include "../src/reqrep.h" |
| |
| #include "testutil.h" |
| |
| #define SOCKET_ADDRESS "inproc://test" |
| |
| int main () |
| { |
| int rc; |
| int rep1; |
| int rep2; |
| int req1; |
| int req2; |
| int resend_ivl; |
| char buf [7]; |
| int timeo; |
| |
| /* Test req/rep with full socket types. */ |
| rep1 = test_socket (AF_SP, NN_REP); |
| test_bind (rep1, SOCKET_ADDRESS); |
| req1 = test_socket (AF_SP, NN_REQ); |
| test_connect (req1, SOCKET_ADDRESS); |
| req2 = test_socket (AF_SP, NN_REQ); |
| test_connect (req2, SOCKET_ADDRESS); |
| |
| /* Check invalid sequence of sends and recvs. */ |
| rc = nn_send (rep1, "ABC", 3, 0); |
| nn_assert (rc == -1 && nn_errno () == EFSM); |
| rc = nn_recv (req1, buf, sizeof (buf), 0); |
| nn_assert (rc == -1 && nn_errno () == EFSM); |
| |
| /* Check fair queueing the requests. */ |
| test_send (req2, "ABC"); |
| test_recv (rep1, "ABC"); |
| test_send (rep1, "ABC"); |
| test_recv (req2, "ABC"); |
| |
| test_send (req1, "ABC"); |
| test_recv (rep1, "ABC"); |
| test_send (rep1, "ABC"); |
| test_recv (req1, "ABC"); |
| |
| test_close (rep1); |
| test_close (req1); |
| test_close (req2); |
| |
| /* Check load-balancing of requests. */ |
| req1 = test_socket (AF_SP, NN_REQ); |
| test_bind (req1, SOCKET_ADDRESS); |
| rep1 = test_socket (AF_SP, NN_REP); |
| test_connect (rep1, SOCKET_ADDRESS); |
| rep2 = test_socket (AF_SP, NN_REP); |
| test_connect (rep2, SOCKET_ADDRESS); |
| |
| test_send (req1, "ABC"); |
| test_recv (rep1, "ABC"); |
| test_send (rep1, "ABC"); |
| test_recv (req1, "ABC"); |
| |
| test_send (req1, "ABC"); |
| test_recv (rep2, "ABC"); |
| test_send (rep2, "ABC"); |
| test_recv (req1, "ABC"); |
| |
| test_close (rep2); |
| test_close (rep1); |
| test_close (req1); |
| |
| /* Test re-sending of the request. */ |
| rep1 = test_socket (AF_SP, NN_REP); |
| test_bind (rep1, SOCKET_ADDRESS); |
| req1 = test_socket (AF_SP, NN_REQ); |
| test_connect (req1, SOCKET_ADDRESS); |
| resend_ivl = 100; |
| rc = nn_setsockopt (req1, NN_REQ, NN_REQ_RESEND_IVL, |
| &resend_ivl, sizeof (resend_ivl)); |
| errno_assert (rc == 0); |
| |
| test_send (req1, "ABC"); |
| test_recv (rep1, "ABC"); |
| /* The following waits for request to be resent */ |
| test_recv (rep1, "ABC"); |
| |
| test_close (req1); |
| test_close (rep1); |
| |
| /* Check sending a request when the peer is not available. (It should |
| be sent immediatelly when the peer comes online rather than relying |
| on the resend algorithm. */ |
| req1 = test_socket (AF_SP, NN_REQ); |
| test_connect (req1, SOCKET_ADDRESS); |
| test_send (req1, "ABC"); |
| |
| rep1 = test_socket (AF_SP, NN_REP); |
| test_bind (rep1, SOCKET_ADDRESS); |
| timeo = 200; |
| rc = nn_setsockopt (rep1, NN_SOL_SOCKET, NN_RCVTIMEO, |
| &timeo, sizeof (timeo)); |
| errno_assert (rc == 0); |
| test_recv (rep1, "ABC"); |
| |
| test_close (req1); |
| test_close (rep1); |
| |
| /* Check removing socket request sent to (It should |
| be sent immediatelly to other peer rather than relying |
| on the resend algorithm). */ |
| req1 = test_socket (AF_SP, NN_REQ); |
| test_bind (req1, SOCKET_ADDRESS); |
| rep1 = test_socket (AF_SP, NN_REP); |
| test_connect (rep1, SOCKET_ADDRESS); |
| rep2 = test_socket (AF_SP, NN_REP); |
| test_connect (rep2, SOCKET_ADDRESS); |
| |
| timeo = 200; |
| rc = nn_setsockopt (rep1, NN_SOL_SOCKET, NN_RCVTIMEO, |
| &timeo, sizeof (timeo)); |
| errno_assert (rc == 0); |
| rc = nn_setsockopt (rep2, NN_SOL_SOCKET, NN_RCVTIMEO, |
| &timeo, sizeof (timeo)); |
| errno_assert (rc == 0); |
| |
| test_send (req1, "ABC"); |
| /* We got request through rep1 */ |
| test_recv (rep1, "ABC"); |
| /* But instead replying we simulate crash */ |
| test_close (rep1); |
| /* The rep2 should get request immediately */ |
| test_recv (rep2, "ABC"); |
| /* Let's check it's delivered well */ |
| test_send (rep2, "REPLY"); |
| test_recv (req1, "REPLY"); |
| |
| |
| test_close (req1); |
| test_close (rep2); |
| |
| /* Test cancelling delayed request */ |
| |
| req1 = test_socket (AF_SP, NN_REQ); |
| test_connect (req1, SOCKET_ADDRESS); |
| test_send (req1, "ABC"); |
| test_send (req1, "DEF"); |
| |
| rep1 = test_socket (AF_SP, NN_REP); |
| test_bind (rep1, SOCKET_ADDRESS); |
| timeo = 100; |
| // rc = nn_setsockopt (rep1, NN_SOL_SOCKET, NN_RCVTIMEO, |
| // &timeo, sizeof (timeo)); |
| // errno_assert (rc == 0); |
| test_recv (rep1, "DEF"); |
| |
| test_close (req1); |
| test_close (rep1); |
| |
| return 0; |
| } |
| |