From 4e6a1e5508151d308a53124e4733ae1c1f7b3fb2 Mon Sep 17 00:00:00 2001 From: Martin Sustrik Date: Thu, 3 May 2012 16:19:44 +0200 Subject: Test for backlog exhaustion added Signed-off-by: Martin Sustrik --- tests/backlog.cpp | 134 ++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 134 insertions(+) create mode 100644 tests/backlog.cpp (limited to 'tests/backlog.cpp') diff --git a/tests/backlog.cpp b/tests/backlog.cpp new file mode 100644 index 0000000..7ae9ed8 --- /dev/null +++ b/tests/backlog.cpp @@ -0,0 +1,134 @@ +/* + Copyright (c) 2012 250bpm s.r.o. + Copyright (c) 2012 Other contributors as noted in the AUTHORS file + + This file is part of Crossroads I/O project. + + Crossroads I/O 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. + + Crossroads 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" + +#define BACKLOG 10 +#define PARALLEL_CONNECTS 50 + +extern "C" +{ + +#if !defined XS_HAVE_WINDOWS && !defined XS_HAVE_OPENVMS + static void ipc_worker (void *ctx_) + { + int rc; + void *push; + + push = xs_socket (ctx_, XS_PUSH); + assert (push); + rc = xs_connect (push, "ipc:///tmp/test-backlog"); + assert (rc >= 0); + rc = xs_send (push, NULL, 0, 0); + assert (rc == 0); + rc = xs_close (push); + assert (rc == 0); + } +#endif + + static void tcp_worker (void *ctx_) + { + int rc; + void *push; + + push = xs_socket (ctx_, XS_PUSH); + assert (push); + rc = xs_connect (push, "tcp://127.0.0.1:5560"); + assert (rc >= 0); + rc = xs_send (push, NULL, 0, 0); + assert (rc == 0); + rc = xs_close (push); + assert (rc == 0); + } +} + +int XS_TEST_MAIN () +{ + fprintf (stderr, "backlog test running...\n"); + + int rc; + void *ctx; + void *pull; + int i; + int backlog; + void *threads [PARALLEL_CONNECTS]; + + // Test the exhaustion on IPC backlog. +#if !defined XS_HAVE_WINDOWS && !defined XS_HAVE_OPENVMS + ctx = xs_init (); + assert (ctx); + + pull = xs_socket (ctx, XS_PULL); + assert (pull); + backlog = BACKLOG; + rc = xs_setsockopt (pull, XS_BACKLOG, &backlog, sizeof (backlog)); + assert (rc == 0); + rc = xs_bind (pull, "ipc:///tmp/test-backlog"); + assert (rc >= 0); + + + for (i = 0; i < PARALLEL_CONNECTS; i++) + threads [i] = thread_create (ipc_worker, ctx); + + for (i = 0; i < PARALLEL_CONNECTS; i++) { + rc = xs_recv (pull, NULL, 0, 0); + assert (rc == 0); + } + + rc = xs_close (pull); + assert (rc == 0); + rc = xs_term (ctx); + assert (rc == 0); + + for (i = 0; i < PARALLEL_CONNECTS; i++) + thread_join (threads [i]); +#endif + + // Test the exhaustion on TCP backlog. + + ctx = xs_init (); + assert (ctx); + + pull = xs_socket (ctx, XS_PULL); + assert (pull); + backlog = BACKLOG; + rc = xs_setsockopt (pull, XS_BACKLOG, &backlog, sizeof (backlog)); + assert (rc == 0); + rc = xs_bind (pull, "tcp://127.0.0.1:5560"); + assert (rc >= 0); + + for (i = 0; i < PARALLEL_CONNECTS; i++) + threads [i] = thread_create (tcp_worker, ctx); + + for (i = 0; i < PARALLEL_CONNECTS; i++) { + rc = xs_recv (pull, NULL, 0, 0); + assert (rc == 0); + } + + rc = xs_close (pull); + assert (rc == 0); + rc = xs_term (ctx); + assert (rc == 0); + + for (i = 0; i < PARALLEL_CONNECTS; i++) + thread_join (threads [i]); + + return 0; +} -- cgit v1.2.3