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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
137 lines
4.5 KiB
C
137 lines
4.5 KiB
C
/*
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* Copyright (c) 2002-2006 MontaVista Software, Inc.
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*
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* All rights reserved.
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*
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* Author: 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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#define TRUE 1
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#define FALSE 0
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#include <sys/un.h>
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#include "../include/saAis.h"
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#include "../include/queue.h"
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#include "../include/ipc_gen.h"
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#include "mainconfig.h"
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#include "poll.h"
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#include "evs.h"
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#include "clm.h"
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#include "amf.h"
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#include "ckpt.h"
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#include "evt.h"
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#include "lck.h"
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#include "msg.h"
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#ifndef AIS_EXEC_H_DEFINED
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#define AIS_EXEC_H_DEFINED
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/*
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* Size of the queue (entries) for I/O's to the API over socket IPC.
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*/
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#define SIZEQUEUE 256
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#define SOCKET_SERVICE_INIT 254
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struct aisexec_ci {
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struct sockaddr_in in_addr; /* address of AF_INET socket, MUST BE FIRST IN STRUCTURE */
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SaClmClusterNodeT clusterNode;
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SaClmClusterChangesT lastChange;
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unsigned char authentication_key[16];
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int authenticated;
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};
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/*
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* Connection information for AIS connections
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*/
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// TODO must make this dynamic
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struct ais_ci {
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struct sockaddr_un un_addr; /* address of AF_UNIX socket, MUST BE FIRST IN STRUCTURE */
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union {
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struct aisexec_ci aisexec_ci;
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struct libevs_ci libevs_ci;
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struct libclm_ci libclm_ci;
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struct libamf_ci libamf_ci;
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struct libckpt_ci libckpt_ci;
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struct libevt_ci libevt_ci;
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struct liblck_ci liblck_ci;
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struct libmsg_ci libmsg_ci;
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} u;
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};
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struct outq_item {
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void *msg;
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size_t mlen;
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};
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#define SIZEINB MESSAGE_SIZE_MAX
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enum conn_state {
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CONN_STATE_ACTIVE,
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CONN_STATE_DISCONNECTING,
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CONN_STATE_DISCONNECTING_DELAYED
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};
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struct conn_info {
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int fd; /* File descriptor */
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enum conn_state state; /* State of this connection */
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char *inb; /* Input buffer for non-blocking reads */
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int inb_nextheader; /* Next message header starts here */
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int inb_start; /* Start location of input buffer */
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int inb_inuse; /* Bytes currently stored in input buffer */
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struct queue outq; /* Circular queue for outgoing requests */
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int byte_start; /* Byte to start sending from in head of queue */
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enum service_types service;/* Type of service so dispatch knows how to route message */
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// struct saAmfComponent *component; /* Component for which this connection relates to TODO shouldn't this be in the ci structure */
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int authenticated; /* Is this connection authenticated? */
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struct list_head conn_list;
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struct ais_ci ais_ci; /* libais connection information */
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struct conn_info *conn_info_partner; /* partner connection dispatch<->response */
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int should_exit_fn; /* Should call the exit function when closing this ipc */
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};
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extern struct totem_ip_address *this_ip;
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extern struct totempg_group openais_group;
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extern totempg_groups_handle openais_group_handle;
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poll_handle aisexec_poll_handle;
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extern int libais_send_response (struct conn_info *conn_info, void *msg, int mlen);
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extern int message_source_is_local(struct message_source *source);
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extern void message_source_set(struct message_source *source, struct conn_info *conn_info);
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extern SaClmClusterNodeT *(*main_clm_get_by_nodeid) (unsigned int node_id);
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#endif /* AIS_EXEC_H_DEFINED */
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