mirror of
https://git.proxmox.com/git/mirror_corosync
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f6cfe4e86e
can be dynamically loaded via the live component replacement service. Sync handlers are also dynamically contributed. It is possible to build using either dynamic loading via LCR or static linking of the entire executive. This is controlled by the BUILD_DYNAMIC configuration option in the Makefile. git-svn-id: http://svn.fedorahosted.org/svn/corosync/trunk@892 fd59a12c-fef9-0310-b244-a6a79926bd2f
123 lines
3.4 KiB
C
Executable File
123 lines
3.4 KiB
C
Executable File
/*
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* Copyright (C) 2006 Steven Dake (sdake@mvista.com)
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*
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* This software licensed under BSD license, the text of which follows:
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* - Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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* - Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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* - Neither the name of the MontaVista Software, Inc. nor the names of its
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* contributors may be used to endorse or promote products derived from this
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* software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
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* THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <sys/uio.h>
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#include <sys/mman.h>
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#include <sys/socket.h>
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#include <sys/un.h>
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#include <sys/sysinfo.h>
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#include <sys/time.h>
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#include <sys/resource.h>
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#include <netinet/in.h>
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#include <arpa/inet.h>
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#include <unistd.h>
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#include <fcntl.h>
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#include <stdlib.h>
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#include <stdio.h>
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#include <errno.h>
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#include <signal.h>
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#include <sched.h>
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#include <time.h>
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#include <pthread.h>
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#include <sys/poll.h>
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char *socketname = "lcr.uis.socket";
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int uic_connect (int *fd)
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{
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int res;
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struct sockaddr_un addr;
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memset (&addr, 0, sizeof (struct sockaddr_un));
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addr.sun_family = PF_UNIX;
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strcpy (addr.sun_path + 1, "lcr.socket");
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*fd = socket (PF_UNIX, SOCK_STREAM, 0);
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if (*fd == -1) {
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return -errno;
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}
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res = connect (*fd, (struct sockaddr *)&addr, sizeof (addr));
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if (res == -1) {
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return -errno;
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}
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return 0;
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}
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struct req_msg {
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int len;
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char msg[0];
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};
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int uic_msg_send (int fd, char *msg)
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{
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struct msghdr msg_send;
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struct iovec iov_send[2];
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struct req_msg req_msg;
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int res;
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req_msg.len = strlen (msg) + 1;
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iov_send[0].iov_base = (void *)&req_msg;
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iov_send[0].iov_len = sizeof (struct req_msg);
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iov_send[1].iov_base = (void *)msg;
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iov_send[1].iov_len = req_msg.len;
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msg_send.msg_iov = iov_send;
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msg_send.msg_iovlen = 2;
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msg_send.msg_name = 0;
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msg_send.msg_namelen = 0;
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msg_send.msg_control = 0;
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msg_send.msg_controllen = 0;
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msg_send.msg_flags = 0;
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retry_send:
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res = sendmsg (fd, &msg_send, 0);
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if (res == -1 && errno == EINTR) {
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goto retry_send;
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}
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if (res == -1) {
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res = -errno;
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}
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return (res);
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}
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int main (void)
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{
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int client_fd;
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int res;
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res = uic_connect (&client_fd);
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if (res != 0) {
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printf ("Couldn't connect to live replacement service\n");
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}
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uic_msg_send (client_fd, "livereplace ckpt version 2");
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return 0;
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}
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