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Diffstat (limited to 'test/cpgbound.c')
| -rw-r--r-- | test/cpgbound.c | 130 |
1 files changed, 130 insertions, 0 deletions
diff --git a/test/cpgbound.c b/test/cpgbound.c new file mode 100644 index 0000000..f3ac375 --- /dev/null +++ b/test/cpgbound.c @@ -0,0 +1,130 @@ +/* + * Copyright (c) 2009 Red Hat, Inc. + * + * All rights reserved. + * + * Author: Steven Dake (sdake@redhat.com) + * + * This software licensed under BSD license, the text of which follows: + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are met: + * + * - Redistributions of source code must retain the above copyright notice, + * this list of conditions and the following disclaimer. + * - Redistributions in binary form must reproduce the above copyright notice, + * this list of conditions and the following disclaimer in the documentation + * and/or other materials provided with the distribution. + * - Neither the name of the MontaVista Software, Inc. nor the names of its + * contributors may be used to endorse or promote products derived from this + * software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE + * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN + * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF + * THE POSSIBILITY OF SUCH DAMAGE. + */ + +#include <config.h> + +#include <stdio.h> +#include <stdlib.h> +#include <sys/socket.h> +#include <sys/uio.h> +#include <netinet/in.h> +#include <arpa/inet.h> +#include <errno.h> +#include <string.h> +#include <corosync/corotypes.h> +#include <corosync/cpg.h> + +static void cpg_deliver_fn ( + cpg_handle_t handle, + const struct cpg_name *group_name, + uint32_t nodeid, + uint32_t pid, + void *m, + size_t msg_len) +{ +} + +static void cpg_confchg_fn ( + cpg_handle_t handle, + const struct cpg_name *group_name, + const struct cpg_address *member_list, size_t member_list_entries, + const struct cpg_address *left_list, size_t left_list_entries, + const struct cpg_address *joined_list, size_t joined_list_entries) +{ +} + +static cpg_callbacks_t callbacks = { + cpg_deliver_fn, + cpg_confchg_fn +}; + +static struct cpg_name group_name = { + .value = "cpg_bm", + .length = 6 +}; + + +static unsigned char buffer[2000000]; +int main (void) +{ + cpg_handle_t handle; + cs_error_t result; + unsigned int i = 0; + struct iovec iov; + int res; + unsigned int msg_size; + + result = cpg_initialize (&handle, &callbacks); + if (result != CS_OK) { + printf ("Couldn't initialize CPG service %d\n", result); + exit (0); + } + + res = cpg_join (handle, &group_name); + if (res != CS_OK) { + printf ("cpg_join failed with result %d\n", res); + exit (1); + } + + iov.iov_base = (void *)buffer; + + /* + * Demonstrate cpg_mcast_joined + */ + msg_size = 1025000; + for (i = 0; i < 1000000000; i++) { + iov.iov_len = msg_size; +try_again_one: + result = cpg_mcast_joined (handle, CPG_TYPE_AGREED, + &iov, 1); + if (result == CS_ERR_TRY_AGAIN) { + goto try_again_one; + } + if (result == CS_ERR_INVALID_PARAM) { + printf ("found boundary at %d\n", msg_size); + exit (1); + } + msg_size += 1; + printf ("msg size %d\n", msg_size); + result = cpg_dispatch (handle, CS_DISPATCH_ALL); + if (result != CS_OK && result != CS_ERR_TRY_AGAIN) { + printf ("cpg_dispatch failed with result %d\n", res); + exit (1); + } + } + + cpg_finalize (handle); + + return (0); +} |