Linux Cubed Series 3: Developer Tools/Linux Cubed Series 3 - Developer Tools.iso/devel/db/esm-3.1/esm-3/usr/local/sm/src/admin/shutserver.c

C/C++ Source or Header | 1996-05-05 | 5.0 KB | 178 lines

/*
 *   $RCSfile: shutserver.c,v $
 *   $Revision: 1.1.1.1 $
 *   $Date: 1996/05/04 21:55:33 $
 */
/**********************************************************************
* EXODUS Database Toolkit Software
* Copyright (c) 1991 Computer Sciences Department, University of
*                    Wisconsin -- Madison
* All Rights Reserved.
*
* Permission to use, copy, modify and distribute this software and its
* documentation is hereby granted, provided that both the copyright
* notice and this permission notice appear in all copies of the
* software, derivative works or modified versions, and any portions
* thereof, and that both notices appear in supporting documentation.
*
* THE COMPUTER SCIENCES DEPARTMENT OF THE UNIVERSITY OF WISCONSIN --
* MADISON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS" CONDITION.
* THE DEPARTMENT DISCLAIMS ANY LIABILITY OF ANY KIND FOR ANY DAMAGES
* WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
*
* The EXODUS Project Group requests users of this software to return
* any improvements or extensions that they make to:
*
*   EXODUS Project Group
*     c/o David J. DeWitt and Michael J. Carey
*   Computer Sciences Department
*   University of Wisconsin -- Madison
*   Madison, WI 53706
*
*     or [e-mail]
*
* In addition, the EXODUS Project Group requests that users grant the
* Computer Sciences Department rights to redistribute these changes.
**********************************************************************/


#include "sysdefs.h"
#include "ess.h"
#include "checking.h"
#include "trace.h"
#include "error.h"
#include "list.h"
#include "tid.h"
#include "io.h"
#include "lock.h"
#include "object.h"
#include "msgdefs.h"
#include "adminmsg.h"
#include "bf.h"
#include "lsn.h"
#include "loginfo.h"
#include "load.h"
#include "scan.h"
#include "serverinfo.h"
#include "sm_params.h"
#include "btree.h"
#include "msg_funcs.h"
#include "sm_extfuncs.h"
#include "sm_intfuncs.h"
#include "sm_globals.h"
#include "volume.h"

#define max_volumes 100

main (int argc, char** argv)
{

    int            option;
    VOLID        vols[max_volumes];
    int            volCount = 0;
    int            i;
    int            e;
    char        *errorMsg;

    TRPRINT(TR_ADMIN, TR_LEVEL_1, ("shutting down server"));

    /*
     *  Read the default configuration files to have the bufpages
     *  option set.
     */
    e = sm_ReadConfigFile(NULL, argv[0], &errorMsg);
    if (e != esmNOERROR) {
        fprintf(stderr, "Configuration file error: %s\n", errorMsg);
        exit(0);
    }

    /*
     *  Set any options from the command line
     */
    e = sm_ParseCommandLine(&argc, argv, &errorMsg);
    if (e != esmNOERROR) {
        fprintf(stderr, "command line error: %s\n", errorMsg);
        exit(0);
    }

    i = 32; /* us a minimal buffer pool */
    e = sm_SetClientOption("bufpages", &i, SM_int);
    if (e != esmNOERROR) {
        fprintf(stderr, "Could not set buffer pool option because: %s\n", sm_Error(sm_errno));
        exit(1);
    }

    /*
     * Initialize the storage manager.
     */
    e = sm_Initialize();
    if (e != esmNOERROR) {
        fprintf(stderr, "Could not initialize the storage manager because: %s\n", sm_Error(sm_errno));
        exit(1);
    }

    /*
     *  Evaluate command line options
     */
    while (( option = getopt(argc, argv, "v:ah")) != EOF) {
        switch (option) {
        case '?':
            printf("Usage: %s [-a (for all known servers)] [-v volume_ID] [-h]\n", argv[0]);
            exit(1);
            break;
        case 'a':
            break;
        case 'v':
            vols[volCount] = atoi(optarg);
            volCount++;
            break;
        case 'h':
            printf("Usage: %s [-a (for all known servers)] [-v volume_ID] [-h]\n", argv[0]);
            printf("    [-a] shutdown servers managing all known volumes\n");
            printf("    [-v volume_ID] indicates that the server managing this volume\n");
            printf("    up to %d -v options may be given\n", max_volumes);
            exit(0);
            break;
        default:
            SM_ERROR(TYPE_FATAL, esmINTERNAL);
        }

        if (option == 'a') {
            volCount = -1;
            break;
        }
        if (volCount == max_volumes) {
            printf("too many -v options -- max is %d\n", max_volumes);
            exit(0);
            break;
        }
    }

    /*
     *  Make sure there were no extra arguments
     */
    if (optind != argc || (volCount == 0) ) {
        printf("Usage: %s [-a (for all known servers)] [-v volume_ID] [-h]\n", argv[0]);
        exit(1);
    }


    if (volCount < 0) {
        printf("Shutting down all known servers\n");
        if (sm_ShutdownServer( VOL_ALL, (VOLID) 0,
            SHUT_ABORT_TRANS | SHUT_CLEAN_VOLUMES | SHUT_TAKE_CHECKPOINT) != esmNOERROR) {
                fprintf(stderr, "Shutting down all servers resulted in: %s\n", sm_Error(sm_errno));
                exit(1);
        }
    } else {
        for (i = 0; i < volCount; i++) {
            printf("Shutting down server for volume %d\n", (int) vols[i]);
            if (sm_ShutdownServer( VOL_BY_VOLID, vols[i],
                SHUT_ABORT_TRANS | SHUT_CLEAN_VOLUMES | SHUT_TAKE_CHECKPOINT) != esmNOERROR) {
                fprintf(stderr, "Shutting down the server managing volume %d resulted in: %s\n", (int) vols[i], sm_Error(sm_errno));
            }
        }
    }
    exit(0);
}