Example #1
0
static void
SignalReloadPMNS(void)
{
    int sts;

    /* Reload PMNS if necessary. 
     * Note: this will only stat() the base name i.e. ASCII pmns,
     * typically $PCP_VAR_DIR/pmns/root and not $PCP_VAR_DIR/pmns/root.bin .
     * This is considered a very low risk problem, as the binary
     * PMNS is always compiled from the ASCII version;
     * when one changes so should the other.
     * This caveat was allowed to make the code a lot simpler. 
     */
    if (__pmHasPMNSFileChanged(pmnsfile)) {
	__pmNotifyErr(LOG_INFO, "Reloading PMNS \"%s\"",
	   (pmnsfile==PM_NS_DEFAULT)?"DEFAULT":pmnsfile);
	pmUnloadNameSpace();
	sts = pmLoadASCIINameSpace(pmnsfile, dupok);
	if (sts < 0) {
	    __pmNotifyErr(LOG_ERR, "pmLoadASCIINameSpace(%s, %d): %s\n",
		(pmnsfile == PM_NS_DEFAULT) ? "DEFAULT" : pmnsfile, dupok, pmErrStr(sts));
	}
    }
    else {
	__pmNotifyErr(LOG_INFO, "PMNS file \"%s\" is unchanged",
		(pmnsfile == PM_NS_DEFAULT) ? "DEFAULT" : pmnsfile);
    }
}
Example #2
0
int
main(int argc, char **argv)
{
    pthread_t	tid1;
    pthread_t	tid2;
    int		sts;
    char	*msg;
    FILE	*f;

    if (argc != 2) {
	printf("Usage: multithread3 tmpfile\n");
	exit(1);
    }
    pmnsfile = argv[1];
    if ((f = fopen(pmnsfile, "w")) == NULL) {
	printf("fopen: %s: failed: %s\n", pmnsfile, pmErrStr(-oserror()));
	exit(1);
    }
    if (fwrite(pmns, strlen(pmns), 1, f) != 1) {
	printf("fwrite: %s: failed: %s\n", pmnsfile, pmErrStr(-oserror()));
	exit(1);
    }
    fclose(f);

    sts = pthread_barrier_init(&barrier, NULL, 2);
    if (sts != 0) {
	printf("pthread_barrier_init: sts=%d\n", sts);
	exit(1);
    }

    if ((sts = pmLoadASCIINameSpace(pmnsfile, 1)) < 0) {
	printf("pmLoadASCIINameSpace: %s\n", pmErrStr(sts));
	exit(1);
    }

    sts = pthread_create(&tid1, NULL, func1, NULL);
    if (sts != 0) {
	printf("thread_create: tid1: sts=%d\n", sts);
	exit(1);
    }
    sts = pthread_create(&tid2, NULL, func2, NULL);
    if (sts != 0) {
	printf("thread_create: tid2: sts=%d\n", sts);
	exit(1);
    }

    pthread_join(tid1, (void *)&msg);
    if (msg != NULL) printf("tid1: %s\n", msg);
    pthread_join(tid2, (void *)&msg); 
    if (msg != NULL) printf("tid2: %s\n", msg);

    exit(0);
}
Example #3
0
static void *
func2(void *arg)
{
    int		sts;
    char	*fn = "func2";
    char	*p;
    FILE	*f;

    pthread_barrier_wait(&barrier);

    /* iter 0 */
    pthread_barrier_wait(&barrier);
    pthread_barrier_wait(&barrier);

    /* iter 1 */
    pmUnloadNameSpace();
    pthread_barrier_wait(&barrier);
    pthread_barrier_wait(&barrier);

    /* iter 2 */
    if ((sts = pmLoadASCIINameSpace(pmnsfile, 1)) < 0) {
	printf("%s: pmLoadASCIINameSpace: [reload] %s\n", fn, pmErrStr(sts));
	exit(1);
    }
    pthread_barrier_wait(&barrier);
    pthread_barrier_wait(&barrier);

    /* iter 3 */
    pmUnloadNameSpace();
    for (p = pmns; *p; p++) {
	if (*p == 'u') {
	    *p++ = 'd';
	    *p++ = 'e';
	    *p++ = 'f';
	    *p++ = 'i';
	    *p++ = 'n';
	    *p++ = 'e';
	    break;
	}
    }
    if ((f = fopen(pmnsfile, "w")) == NULL) {
	printf("fopen: %s: failed: %s\n", pmnsfile, pmErrStr(-oserror()));
	exit(1);
    }
    if (fwrite(pmns, strlen(pmns), 1, f) != 1) {
	printf("fwrite: %s: failed: %s\n", pmnsfile, pmErrStr(-oserror()));
	exit(1);
    }
    fclose(f);
    if ((sts = pmLoadASCIINameSpace(pmnsfile, 1)) < 0) {
	printf("%s: pmLoadASCIINameSpace: [extra reload] %s\n", fn, pmErrStr(sts));
	exit(1);
    }
    pthread_barrier_wait(&barrier);
    pthread_barrier_wait(&barrier);

    /* iter 4 */
    pthread_barrier_wait(&barrier);
    pthread_barrier_wait(&barrier);

    pthread_exit(NULL);
}
Example #4
0
int
main(int argc, char **argv)
{
    int			c;
    int			sts;
    int			sep = __pmPathSeparator();
    int			use_localtime = 0;
    int			isdaemon = 0;
    char		*pmnsfile = PM_NS_DEFAULT;
    char		*username;
    char		*logfile = "pmlogger.log";
				    /* default log (not archive) file name */
    char		*endnum;
    int			i;
    task_t		*tp;
    optcost_t		ocp;
    __pmFdSet		readyfds;
    char		*p;
    char		*runtime = NULL;
    int	    		ctx;		/* handle corresponding to ctxp below */
    __pmContext  	*ctxp;		/* pmlogger has just this one context */
    int			niter;
    pid_t               target_pid = 0;

    __pmGetUsername(&username);

    /*
     * Warning:
     *		If any of the pmlogger options change, make sure the
     *		corresponding changes are made to pmnewlog when pmlogger
     *		options are passed through from the control file
     */
    while ((c = pmgetopt_r(argc, argv, &opts)) != EOF) {
	switch (c) {

	case 'c':		/* config file */
	    if (access(opts.optarg, F_OK) == 0)
		configfile = opts.optarg;
	    else {
		/* does not exist as given, try the standard place */
		char *sysconf = pmGetConfig("PCP_VAR_DIR");
		int sz = strlen(sysconf)+strlen("/config/pmlogger/")+strlen(opts.optarg)+1;
		if ((configfile = (char *)malloc(sz)) == NULL)
		    __pmNoMem("config file name", sz, PM_FATAL_ERR);
		snprintf(configfile, sz,
			"%s%c" "config%c" "pmlogger%c" "%s",
			sysconf, sep, sep, sep, opts.optarg);
		if (access(configfile, F_OK) != 0) {
		    /* still no good, error handling happens below */
		    free(configfile);
		    configfile = opts.optarg;
		}
	    }
	    break;

	case 'D':	/* debug flag */
	    sts = __pmParseDebug(opts.optarg);
	    if (sts < 0) {
		pmprintf("%s: unrecognized debug flag specification (%s)\n",
			pmProgname, opts.optarg);
		opts.errors++;
	    }
	    else
		pmDebug |= sts;
	    break;

	case 'h':		/* hostname for PMCD to contact */
	    pmcd_host_conn = opts.optarg;
	    break;

	case 'l':		/* log file name */
	    logfile = opts.optarg;
	    break;

	case 'L':		/* linger if not primary logger */
	    linger = 1;
	    break;

	case 'm':		/* note for port map file */
	    note = opts.optarg;
	    isdaemon = ((strcmp(note, "pmlogger_check") == 0) ||
			(strcmp(note, "pmlogger_daily") == 0));
	    break;

	case 'n':		/* alternative name space file */
	    pmnsfile = opts.optarg;
	    break;

	case 'p':
	    target_pid = (int)strtol(opts.optarg, &endnum, 10);
	    if (*endnum != '\0') {
		pmprintf("%s: invalid process identifier (%s)\n",
			 pmProgname, opts.optarg);
		opts.errors++;
	    } else if (!__pmProcessExists(target_pid)) {
		pmprintf("%s: PID error - no such process (%d)\n",
			 pmProgname, target_pid);
		opts.errors++;
	    }
	    break;

	case 'P':		/* this is the primary pmlogger */
	    primary = 1;
	    isdaemon = 1;
	    break;

	case 'r':		/* report sizes of pmResult records */
	    rflag = 1;
	    break;

	case 's':		/* exit size */
	    sts = ParseSize(opts.optarg, &exit_samples, &exit_bytes, &exit_time);
	    if (sts < 0) {
		pmprintf("%s: illegal size argument '%s' for exit size\n",
			pmProgname, opts.optarg);
		opts.errors++;
	    }
	    else if (exit_time.tv_sec > 0) {
		__pmAFregister(&exit_time, NULL, run_done_callback);
	    }
	    break;

	case 'T':		/* end time */
	    runtime = opts.optarg;
            break;

	case 't':		/* change default logging interval */
	    if (pmParseInterval(opts.optarg, &delta, &p) < 0) {
		pmprintf("%s: illegal -t argument\n%s", pmProgname, p);
		free(p);
		opts.errors++;
	    }
	    break;

	case 'U':		/* run as named user */
	    username = opts.optarg;
	    isdaemon = 1;
	    break;

	case 'u':		/* flush output buffers after each fetch */
	    /*
	     * all archive write I/O is unbuffered now, so maintain -u
	     * for backwards compatibility only
	     */
	    break;

	case 'v':		/* volume switch after given size */
	    sts = ParseSize(opts.optarg, &vol_switch_samples, &vol_switch_bytes,
			    &vol_switch_time);
	    if (sts < 0) {
		pmprintf("%s: illegal size argument '%s' for volume size\n", 
			pmProgname, opts.optarg);
		opts.errors++;
	    }
	    else if (vol_switch_time.tv_sec > 0) {
		vol_switch_afid = __pmAFregister(&vol_switch_time, NULL, 
						 vol_switch_callback);
            }
	    break;

        case 'V': 
	    archive_version = (int)strtol(opts.optarg, &endnum, 10);
	    if (*endnum != '\0' || archive_version != PM_LOG_VERS02) {
		pmprintf("%s: -V requires a version number of %d\n",
			 pmProgname, PM_LOG_VERS02); 
		opts.errors++;
	    }
	    break;

	case 'x':		/* recording session control fd */
	    rsc_fd = (int)strtol(opts.optarg, &endnum, 10);
	    if (*endnum != '\0' || rsc_fd < 0) {
		pmprintf("%s: -x requires a non-negative numeric argument\n", pmProgname);
		opts.errors++;
	    }
	    else {
		time(&rsc_start);
	    }
	    break;

	case 'y':
	    use_localtime = 1;
	    break;

	case '?':
	default:
	    opts.errors++;
	    break;
	}
    }

    if (primary && pmcd_host != NULL) {
	pmprintf(
	    "%s: -P and -h are mutually exclusive; use -P only when running\n"
	    "%s on the same (local) host as the PMCD to which it connects.\n",
		pmProgname, pmProgname);
	opts.errors++;
    }

    if (!opts.errors && opts.optind != argc - 1) {
	pmprintf("%s: insufficient arguments\n", pmProgname);
	opts.errors++;
    }

    if (opts.errors) {
	pmUsageMessage(&opts);
	exit(1);
    }

    if (rsc_fd != -1 && note == NULL) {
	/* add default note to indicate running with -x */
	static char	xnote[10];
	snprintf(xnote, sizeof(xnote), "-x %d", rsc_fd);
	note = xnote;
    }

    /* if we are running as a daemon, change user early */
    if (isdaemon)
	__pmSetProcessIdentity(username);

    __pmOpenLog("pmlogger", logfile, stderr, &sts);
    if (sts != 1) {
	fprintf(stderr, "%s: Warning: log file (%s) creation failed\n", pmProgname, logfile);
	/* continue on ... writing to stderr */
    }

    /* base name for archive is here ... */
    archBase = argv[opts.optind];

    if (pmcd_host_conn == NULL)
	pmcd_host_conn = "local:";

    /* initialise access control */
    if (__pmAccAddOp(PM_OP_LOG_ADV) < 0 ||
	__pmAccAddOp(PM_OP_LOG_MAND) < 0 ||
	__pmAccAddOp(PM_OP_LOG_ENQ) < 0) {
	fprintf(stderr, "%s: access control initialisation failed\n", pmProgname);
	exit(1);
    }

    if (pmnsfile != PM_NS_DEFAULT) {
	if ((sts = pmLoadASCIINameSpace(pmnsfile, 1)) < 0) {
	    fprintf(stderr, "%s: Cannot load namespace from \"%s\": %s\n", pmProgname, pmnsfile, pmErrStr(sts));
	    exit(1);
	}
    }

    if ((ctx = pmNewContext(PM_CONTEXT_HOST, pmcd_host_conn)) < 0) {
	fprintf(stderr, "%s: Cannot connect to PMCD on host \"%s\": %s\n", pmProgname, pmcd_host_conn, pmErrStr(ctx));
	exit(1);
    }
    pmcd_host = (char *)pmGetContextHostName(ctx);
    if (strlen(pmcd_host) == 0) {
	fprintf(stderr, "%s: pmGetContextHostName(%d) failed\n",
	    pmProgname, ctx);
	exit(1);
    }

    if (rsc_fd == -1) {
	/* no -x, so register client id with pmcd */
	__pmSetClientIdArgv(argc, argv);
    }

    /*
     * discover fd for comms channel to PMCD ... 
     */
    if ((ctxp = __pmHandleToPtr(ctx)) == NULL) {
	fprintf(stderr, "%s: botch: __pmHandleToPtr(%d) returns NULL!\n", pmProgname, ctx);
	exit(1);
    }
    pmcdfd = ctxp->c_pmcd->pc_fd;
    PM_UNLOCK(ctxp->c_lock);

    if (configfile != NULL) {
	if ((yyin = fopen(configfile, "r")) == NULL) {
	    fprintf(stderr, "%s: Cannot open config file \"%s\": %s\n",
		pmProgname, configfile, osstrerror());
	    exit(1);
	}
    }
    else {
	/* **ANY** Lex would read from stdin automagically */
	configfile = "<stdin>";
    }

    __pmOptFetchGetParams(&ocp);
    ocp.c_scope = 1;
    __pmOptFetchPutParams(&ocp);

    /* prevent early timer events ... */
    __pmAFblock();

    if (yyparse() != 0)
	exit(1);
    if (configfile != NULL)
	fclose(yyin);
    yyend();

#ifdef PCP_DEBUG
    fprintf(stderr, "Config parsed\n");
#endif

    fprintf(stderr, "Starting %slogger for host \"%s\" via \"%s\"\n",
            primary ? "primary " : "", pmcd_host, pmcd_host_conn);

#ifdef PCP_DEBUG
    if (pmDebug & DBG_TRACE_LOG) {
	fprintf(stderr, "optFetch Cost Parameters: pmid=%d indom=%d fetch=%d scope=%d\n",
		ocp.c_pmid, ocp.c_indom, ocp.c_fetch, ocp.c_scope);

	fprintf(stderr, "\nAfter loading config ...\n");
	for (tp = tasklist; tp != NULL; tp = tp->t_next) {
	    if (tp->t_numvalid == 0)
		continue;
	    fprintf(stderr, " state: %sin log, %savail, %s, %s",
		PMLC_GET_INLOG(tp->t_state) ? "" : "not ",
		PMLC_GET_AVAIL(tp->t_state) ? "" : "un",
		PMLC_GET_MAND(tp->t_state) ? "mand" : "adv",
		PMLC_GET_ON(tp->t_state) ? "on" : "off");
	    fprintf(stderr, " delta: %ld usec", 
			(long)1000 * tp->t_delta.tv_sec + tp->t_delta.tv_usec);
	    fprintf(stderr, " numpmid: %d\n", tp->t_numpmid);
	    for (i = 0; i < tp->t_numpmid; i++) {
		fprintf(stderr, "  %s (%s):\n", pmIDStr(tp->t_pmidlist[i]), tp->t_namelist[i]);
	    }
	    __pmOptFetchDump(stderr, tp->t_fetch);
	}
    }
#endif

    if (!primary && tasklist == NULL && !linger) {
	fprintf(stderr, "Nothing to log, and not the primary logger instance ... good-bye\n");
	exit(1);
    }

    if ((sts = __pmLogCreate(pmcd_host, archBase, archive_version, &logctl)) < 0) {
	fprintf(stderr, "__pmLogCreate: %s\n", pmErrStr(sts));
	exit(1);
    }
    else {
	/*
	 * try and establish $TZ from the remote PMCD ...
	 * Note the label record has been set up, but not written yet
	 */
	char		*name = "pmcd.timezone";
	pmID		pmid;
	pmResult	*resp;

	__pmtimevalNow(&epoch);
	sts = pmUseContext(ctx);

	if (sts >= 0)
	    sts = pmLookupName(1, &name, &pmid);
	if (sts >= 0)
	    sts = pmFetch(1, &pmid, &resp);
	if (sts >= 0) {
	    if (resp->vset[0]->numval > 0) { /* pmcd.timezone present */
		strcpy(logctl.l_label.ill_tz, resp->vset[0]->vlist[0].value.pval->vbuf);
		/* prefer to use remote time to avoid clock drift problems */
		epoch = resp->timestamp;		/* struct assignment */
		if (! use_localtime)
		    pmNewZone(logctl.l_label.ill_tz);
	    }
#ifdef PCP_DEBUG
	    else if (pmDebug & DBG_TRACE_LOG) {
		fprintf(stderr,
			"main: Could not get timezone from host %s\n",
			pmcd_host);
	    }
#endif
	    pmFreeResult(resp);
	}
    }

    /* do ParseTimeWindow stuff for -T */
    if (runtime) {
        struct timeval res_end;    /* time window end */
        struct timeval start;
        struct timeval end;
        struct timeval last_delta;
        char *err_msg;             /* parsing error message */
        time_t now;
        struct timeval now_tv;

        time(&now);
        now_tv.tv_sec = now;
        now_tv.tv_usec = 0; 

        start = now_tv;
        end.tv_sec = INT_MAX;
        end.tv_usec = INT_MAX;
        sts = __pmParseTime(runtime, &start, &end, &res_end, &err_msg);
        if (sts < 0) {
	    fprintf(stderr, "%s: illegal -T argument\n%s", pmProgname, err_msg);
            exit(1);
        }

        last_delta = res_end;
        tsub(&last_delta, &now_tv);
	__pmAFregister(&last_delta, NULL, run_done_callback);

        last_stamp = res_end;
    }

    fprintf(stderr, "Archive basename: %s\n", archBase);

#ifndef IS_MINGW
    /* detach yourself from the launching process */
    if (isdaemon)
        setpgid(getpid(), 0);
#endif

    /* set up control port */
    init_ports();
    __pmFD_ZERO(&fds);
    for (i = 0; i < CFD_NUM; ++i) {
	if (ctlfds[i] >= 0)
	    __pmFD_SET(ctlfds[i], &fds);
    }
#ifndef IS_MINGW
    __pmFD_SET(pmcdfd, &fds);
#endif
    if (rsc_fd != -1)
	__pmFD_SET(rsc_fd, &fds);
    numfds = maxfd() + 1;

    if ((sts = do_preamble()) < 0)
	fprintf(stderr, "Warning: problem writing archive preamble: %s\n",
	    pmErrStr(sts));

    sts = 0;		/* default exit status */

    parse_done = 1;	/* enable callback processing */
    __pmAFunblock();

    for ( ; ; ) {
	int		nready;

#ifdef PCP_DEBUG
	if ((pmDebug & DBG_TRACE_APPL2) && (pmDebug & DBG_TRACE_DESPERATE)) {
	    fprintf(stderr, "before __pmSelectRead(%d,...): run_done_alarm=%d vol_switch_alarm=%d log_alarm=%d\n", numfds, run_done_alarm, vol_switch_alarm, log_alarm);
	}
#endif

	niter = 0;
	while (log_alarm && niter++ < 10) {
	    __pmAFblock();
	    log_alarm = 0;
#ifdef PCP_DEBUG
	    if (pmDebug & DBG_TRACE_APPL2)
		fprintf(stderr, "delayed callback: log_alarm\n");
#endif
	    for (tp = tasklist; tp != NULL; tp = tp->t_next) {
		if (tp->t_alarm) {
		    tp->t_alarm = 0;
		    do_work(tp);
		}
	    }
	    __pmAFunblock();
	}

	if (vol_switch_alarm) {
	    __pmAFblock();
	    vol_switch_alarm = 0;
#ifdef PCP_DEBUG
	    if (pmDebug & DBG_TRACE_APPL2)
		fprintf(stderr, "delayed callback: vol_switch_alarm\n");
#endif
	    newvolume(VOL_SW_TIME);
	    __pmAFunblock();
	}

	if (run_done_alarm) {
#ifdef PCP_DEBUG
	    if (pmDebug & DBG_TRACE_APPL2)
		fprintf(stderr, "delayed callback: run_done_alarm\n");
#endif
	    run_done(0, NULL);
	    /*NOTREACHED*/
	}

	__pmFD_COPY(&readyfds, &fds);
	nready = __pmSelectRead(numfds, &readyfds, NULL);

#ifdef PCP_DEBUG
	if ((pmDebug & DBG_TRACE_APPL2) && (pmDebug & DBG_TRACE_DESPERATE)) {
	    fprintf(stderr, "__pmSelectRead(%d,...) done: nready=%d run_done_alarm=%d vol_switch_alarm=%d log_alarm=%d\n", numfds, nready, run_done_alarm, vol_switch_alarm, log_alarm);
	}
#endif

	__pmAFblock();
	if (nready > 0) {

	    /* handle request on control port */
	    for (i = 0; i < CFD_NUM; ++i) {
		if (ctlfds[i] >= 0 && __pmFD_ISSET(ctlfds[i], &readyfds)) {
		    if (control_req(ctlfds[i])) {
			/* new client has connected */
			__pmFD_SET(clientfd, &fds);
			if (clientfd >= numfds)
			    numfds = clientfd + 1;
		    }
		}
	    }
	    if (clientfd >= 0 && __pmFD_ISSET(clientfd, &readyfds)) {
		/* process request from client, save clientfd in case client
		 * closes connection, resetting clientfd to -1
		 */
		int	fd = clientfd;

		if (client_req()) {
		    /* client closed connection */
		    __pmFD_CLR(fd, &fds);
		    __pmCloseSocket(clientfd);
		    clientfd = -1;
		    numfds = maxfd() + 1;
		    qa_case = 0;
		}
	    }
#ifndef IS_MINGW
	    if (pmcdfd >= 0 && __pmFD_ISSET(pmcdfd, &readyfds)) {
		/*
		 * do not expect this, given synchronous commumication with the
		 * pmcd ... either pmcd has terminated, or bogus PDU ... or its
		 * Win32 and we are operating under the different conditions of
		 * our AF.c implementation there, which has to deal with a lack
		 * of signal support on Windows - race condition exists between
		 * this check and the async event timer callback.
		 */
		__pmPDU		*pb;
		__pmPDUHdr	*php;
		sts = __pmGetPDU(pmcdfd, ANY_SIZE, TIMEOUT_NEVER, &pb);
		if (sts <= 0) {
		    if (sts < 0)
			fprintf(stderr, "Error: __pmGetPDU: %s\n", pmErrStr(sts));
		    disconnect(sts);
		}
		else {
		    php = (__pmPDUHdr *)pb;
		    fprintf(stderr, "Error: Unsolicited %s PDU from PMCD\n",
			__pmPDUTypeStr(php->type));
		    disconnect(PM_ERR_IPC);
		}
		if (sts > 0)
		    __pmUnpinPDUBuf(pb);
	    }
#endif
	    if (rsc_fd >= 0 && __pmFD_ISSET(rsc_fd, &readyfds)) {
		/*
		 * some action on the recording session control fd
		 * end-of-file means launcher has quit, otherwise we
		 * expect one of these commands
		 *	V<number>\n	- version
		 *	F<folio>\n	- folio name
		 *	P<name>\n	- launcher's name
		 *	R\n		- launcher can replay
		 *	D\n		- detach from launcher
		 *	Q\n		- quit pmlogger
		 */
		char	rsc_buf[MAXPATHLEN];
		char	*rp = rsc_buf;
		char	myc;
		int	fake_x = 0;

		for (rp = rsc_buf; ; rp++) {
		    if (read(rsc_fd, &myc, 1) <= 0) {
#ifdef PCP_DEBUG
			if (pmDebug & DBG_TRACE_APPL2)
			    fprintf(stderr, "recording session control: eof\n");
#endif
			if (rp != rsc_buf) {
			    *rp = '\0';
			    fprintf(stderr, "Error: incomplete recording session control message: \"%s\"\n", rsc_buf);
			}
			fake_x = 1;
			break;
		    }
		    if (rp >= &rsc_buf[MAXPATHLEN]) {
			fprintf(stderr, "Error: absurd recording session control message: \"%100.100s ...\"\n", rsc_buf);
			fake_x = 1;
			break;
		    }
		    if (myc == '\n') {
			*rp = '\0';
			break;
		    }
		    *rp = myc;
		}

#ifdef PCP_DEBUG
		if (pmDebug & DBG_TRACE_APPL2) {
		    if (fake_x == 0)
			fprintf(stderr, "recording session control: \"%s\"\n", rsc_buf);
		}
#endif

		if (fake_x)
		    do_dialog('X');
		else if (strcmp(rsc_buf, "Q") == 0 ||
		         strcmp(rsc_buf, "D") == 0 ||
			 strcmp(rsc_buf, "?") == 0)
		    do_dialog(rsc_buf[0]);
		else if (rsc_buf[0] == 'F')
		    folio_name = strdup(&rsc_buf[1]);
		else if (rsc_buf[0] == 'P')
		    rsc_prog = strdup(&rsc_buf[1]);
		else if (strcmp(rsc_buf, "R") == 0)
		    rsc_replay = 1;
		else if (rsc_buf[0] == 'V' && rsc_buf[1] == '0') {
		    /*
		     * version 0 of the recording session control ...
		     * this is all we grok at the moment
		     */
		    ;
		}
		else {
		    fprintf(stderr, "Error: illegal recording session control message: \"%s\"\n", rsc_buf);
		    do_dialog('X');
		}
	    }
	}
	else if (vol_switch_flag) {
	    newvolume(VOL_SW_SIGHUP);
	    vol_switch_flag = 0;
	}
	else if (nready < 0 && neterror() != EINTR)
	    fprintf(stderr, "Error: select: %s\n", netstrerror());

	__pmAFunblock();

	if (target_pid && !__pmProcessExists(target_pid))
	    exit(EXIT_SUCCESS);

	if (exit_code)
	    break;
    }
    exit(exit_code);
}
Example #5
0
int
main(int argc, char **argv)
{
    int			c;
    int			sts;
    char		*endnum;

    iflag = isatty(0);

    while ((c = pmgetopt_r(argc, argv, &opts)) != EOF) {
	switch (c) {

	case 'D':		/* debug flag */
	    sts = __pmParseDebug(opts.optarg);
	    if (sts < 0) {
		fprintf(stderr, "%s: unrecognized debug flag specification (%s)\n",
		    pmProgname, opts.optarg);
		opts.errors++;
	    }
	    else
		pmDebug |= sts;
	    break;

	case 'e':		/* echo input */
	    eflag++;
	    break;

	case 'f':		/* skip .dbpmdarc processing */
	    fflag++;
	    break;

	case 'i':		/* be interactive */
	    iflag = 1;
	    break;

	case 'n':		/* alternative name space file */
	    pmnsfile = opts.optarg;
	    break;

	case 'q':
	    sts = (int)strtol(opts.optarg, &endnum, 10);
	    if (*endnum != '\0' || sts <= 0.0) {
		pmprintf("%s: -q requires a positive numeric argument\n",
			pmProgname);
		opts.errors++;
	    } else {
		_creds_timeout = sts;
	    }
	    break;

	case 'U':		/* run under alternate user account */
	    __pmSetProcessIdentity(opts.optarg);
	    break;

	default:
	case '?':
	    opts.errors++;
	    break;
	}
    }

    if ((c = argc - opts.optind) > 0) {
	if (c > 1)
	    opts.errors++;
	else {
	    /* pid was specified */
	    if (primary) {
		pmprintf("%s: you may not specify both -P and a pid\n",
			pmProgname);
		opts.errors++;
	    }
	    else {
		pid = (int)strtol(argv[opts.optind], &endnum, 10);
		if (*endnum != '\0') {
		    pmprintf("%s: pid must be a numeric process id\n",
			    pmProgname);
		    opts.errors++;
		}
	    }
	}
    }

    if (opts.errors) {
	pmUsageMessage(&opts);
	exit(1);
    }

    if (pmnsfile == PM_NS_DEFAULT) {
	if ((sts = pmLoadNameSpace(pmnsfile)) < 0) {
		fprintf(stderr, "%s: Cannot load default namespace: %s\n",
			pmProgname, pmErrStr(sts));
	    exit(1);
	}
    }
    else {
	if ((sts = pmLoadASCIINameSpace(pmnsfile, 1)) < 0) {
		fprintf(stderr, "%s: Cannot load namespace from \"%s\": %s\n",
			pmProgname, pmnsfile, pmErrStr(sts));
	    exit(1);
	}
    }

    /* initialize the "fake context" ... */
    setup_context();

    setlinebuf(stdout);
    setlinebuf(stderr);

#ifdef HAVE_ATEXIT
    atexit(cleanup);
#endif

    for ( ; ; ) {
	initmetriclist();
	yyparse();
	if (yywrap()) {
	    if (iflag)
		putchar('\n');
	    break;
	}

	__pmSetInternalState(PM_STATE_PMCS);

	switch (stmt_type) {

	    case OPEN:
		profile_changed = 1;
		break;

	    case CLOSE:
		switch (connmode) {
		    case CONN_DSO:
			closedso();
			break;
		    
		    case CONN_DAEMON:
			closepmda();
			break;
		    
		    case NO_CONN:
			yywarn("No PMDA currently opened");
			break;
		}
		connmode = NO_CONN;
		break;

	    case DESC:
		switch (connmode) {
		    case CONN_DSO:
			dodso(PDU_DESC_REQ);
			break;
		    
		    case CONN_DAEMON:
			dopmda(PDU_DESC_REQ);
			break;
		    
		    case NO_CONN:
			yywarn("No PMDA currently opened");
			break;
		}
		break;

	    case FETCH:
		switch (connmode) {
		    case CONN_DSO:
			dodso(PDU_FETCH);
			break;
		    
		    case CONN_DAEMON:
			dopmda(PDU_FETCH);
			break;
		    
		    case NO_CONN:
			yywarn("No PMDA currently opened");
			break;
		}
		break;

	    case INSTANCE:
		switch (connmode) {
		    case CONN_DSO:
			dodso(PDU_INSTANCE_REQ);
			break;
		    
		    case CONN_DAEMON:
			dopmda(PDU_INSTANCE_REQ);
			break;
		    
		    case NO_CONN:
			yywarn("No PMDA currently opened");
			break;
		}
		break;

	    case STORE:
		switch (connmode) {
		    case CONN_DSO:
			dodso(PDU_RESULT);
			break;
		    
		    case CONN_DAEMON:
			dopmda(PDU_RESULT);
			break;
		    
		    case NO_CONN:
			yywarn("No PMDA currently opened");
			break;
		}
		break;

	    case HELP:
		dohelp(param.number, param.pmid);
		break;

	    case WATCH:
		break;

	    case DBG:
		pmDebug = param.number;
		break;

	    case QUIT:
		goto done;

	    case STATUS:
		dostatus();
		break;

	    case INFO:
		switch (connmode) {
		case CONN_DSO:
		    dodso(PDU_TEXT_REQ);
		    break;

		case CONN_DAEMON:
		    dopmda(PDU_TEXT_REQ);
		    break;

		case NO_CONN:
		    yywarn("No PMDA currently opened");
		    break;
		}
		break;
	    case NAMESPACE:
		if (cmd_namespace != NULL)
		    free(cmd_namespace);
		cmd_namespace = strdup(param.name);
		if (cmd_namespace == NULL) {
		    fprintf(stderr, "%s: No memory for new namespace\n",
			    pmProgname);
		    exit(1);
		}
		pmUnloadNameSpace();
		strcpy(cmd_namespace, param.name);
		if ((sts = pmLoadASCIINameSpace(cmd_namespace, 1)) < 0) {
		    fprintf(stderr, "%s: Cannot load namespace from \"%s\": %s\n",
			    pmProgname, cmd_namespace, pmErrStr(sts));

		    pmUnloadNameSpace();
		    if (pmnsfile == PM_NS_DEFAULT) {
			fprintf(stderr, "%s: Reload default namespace\n",
				pmProgname);
			if ((sts = pmLoadNameSpace(pmnsfile)) < 0) {
			    fprintf(stderr,
				    "%s: Cannot load default namespace: %s\n",
				    pmProgname, pmErrStr(sts));
			    exit(1);
			}
		    }
		    else {
			fprintf(stderr, "%s: Reload namespace from \"%s\"\n",
				pmProgname, pmnsfile);
			if ((sts = pmLoadASCIINameSpace(pmnsfile, 1)) < 0) {
			    fprintf(stderr,
				    "%s: Cannot load namespace from \"%s\""
				    ": %s\n",
				    pmProgname, pmnsfile, pmErrStr(sts));
			    exit(1);
			}
		    }
		}
		break;

	    case EOL:
		break;

	    case PMNS_NAME:
		switch (connmode) {
		    case CONN_DSO:
			dodso(PDU_PMNS_IDS);
			break;
		    
		    case CONN_DAEMON:
			dopmda(PDU_PMNS_IDS);
			break;
		    
		    case NO_CONN:
			yywarn("No PMDA currently opened");
			break;
		}
		break;

	    case PMNS_PMID:
		switch (connmode) {
		    case CONN_DSO:
			dodso(PDU_PMNS_NAMES);
			break;
		    
		    case CONN_DAEMON:
			dopmda(PDU_PMNS_NAMES);
			break;
		    
		    case NO_CONN:
			yywarn("No PMDA currently opened");
			break;
		}
		break;

	    case PMNS_CHILDREN:
		switch (connmode) {
		    case CONN_DSO:
			dodso(PDU_PMNS_CHILD);
			break;
		    
		    case CONN_DAEMON:
			dopmda(PDU_PMNS_CHILD);
			break;
		    
		    case NO_CONN:
			yywarn("No PMDA currently opened");
			break;
		}
		break;

	    case PMNS_TRAVERSE:
		switch (connmode) {
		    case CONN_DSO:
			dodso(PDU_PMNS_TRAVERSE);
			break;
		    
		    case CONN_DAEMON:
			dopmda(PDU_PMNS_TRAVERSE);
			break;
		    
		    case NO_CONN:
			yywarn("No PMDA currently opened");
			break;
		}
		break;

	    case ATTR:
		switch (connmode) {
		    case CONN_DSO:
			dodso(PDU_AUTH);
			break;
		    
		    case CONN_DAEMON:
			dopmda(PDU_AUTH);
			break;
		    
		    case NO_CONN:
			yywarn("No PMDA currently opened");
			break;
		}
		break;

	    default:
		printf("Unexpected result (%d) from parser?\n", stmt_type);
		break;
	}
	__pmSetInternalState(PM_STATE_APPL);
    }

done:
    cleanup();

    exit(0);
}
Example #6
0
int
main(int argc, char **argv)
{
    int		sep = __pmPathSeparator();
    int		sts;
    int		c;
    char	*p;
    char	pmnsfile[MAXPATHLEN];
    char	outfname[MAXPATHLEN];
    struct stat	sbuf;

    if ((p = getenv("PMNS_DEFAULT")) != NULL) {
	strncpy(pmnsfile, p, MAXPATHLEN);
        pmnsfile[MAXPATHLEN-1]= '\0';

    } else {
	snprintf(pmnsfile, sizeof(pmnsfile), "%s%c" "pmns" "%c" "root",
		pmGetConfig("PCP_VAR_DIR"), sep, sep);
    }

    while ((c = pmgetopt_r(argc, argv, &opts)) != EOF) {
	switch (c) {

	case 'd':	/* duplicate PMIDs are OK */
	    fprintf(stderr, "%s: Warning: -d deprecated, duplicate PMNS names allowed by default\n", pmProgname);
	    break;

	case 'D':	/* debug flag */
	    if ((sts = __pmParseDebug(opts.optarg)) < 0) {
		fprintf(stderr, "%s: unrecognized debug flag specification (%s)\n",
			pmProgname, opts.optarg);
		opts.errors++;
	    } else {
		pmDebug |= sts;
	    }
	    break;

	case 'n':	/* alternative name space file */
	    strncpy(pmnsfile, opts.optarg, MAXPATHLEN);
	    pmnsfile[MAXPATHLEN-1]= '\0';
	    break;

	case '?':
	default:
	    opts.errors++;
	    break;
	}
    }

    if (opts.errors || opts.optind > argc - 1) {
	pmUsageMessage(&opts);
	exit(1);
    }

    if ((sts = pmLoadASCIINameSpace(pmnsfile, 1)) < 0) {
	fprintf(stderr, "%s: Error: pmLoadASCIINameSpace(%s, 1): %s\n",
		pmProgname, pmnsfile, pmErrStr(sts));
	exit(1);
    }

    {
        __pmnsTree *t;
        t = __pmExportPMNS();
        if (t == NULL) {
           /* sanity check - shouldn't ever happen */
           fprintf(stderr, "Exported PMNS is NULL !");
           exit(1);
        }
        root = t->root;
    }


    while (opts.optind < argc) {
	delpmns(root, fullname = argv[opts.optind]);
	opts.optind++;
    }

    /*
     * from here on, ignore SIGHUP, SIGINT and SIGTERM to protect
     * the integrity of the new ouput file
     */
    __pmSetSignalHandler(SIGHUP, SIG_IGN);
    __pmSetSignalHandler(SIGINT, SIG_IGN);
    __pmSetSignalHandler(SIGTERM, SIG_IGN);

    snprintf(outfname, sizeof(outfname), "%s.new", pmnsfile);
    if ((outf = fopen(outfname, "w")) == NULL) {
	fprintf(stderr, "%s: Error: cannot open PMNS file \"%s\" for writing: %s\n",
		pmProgname, outfname, osstrerror());
	exit(1);
    }
    if (stat(pmnsfile, &sbuf) == 0) {
	/*
	 * preserve the mode and ownership of any existing PMNS file
	 */
	chmod(outfname, sbuf.st_mode & ~S_IFMT);
#if defined(HAVE_CHOWN)
	if (chown(outfname, sbuf.st_uid, sbuf.st_gid) < 0)
	    fprintf(stderr, "%s: chown(%s, ...) failed: %s\n",
		    pmProgname, outfname, osstrerror());
#endif
    }

    pmns_output(root, outf);
    fclose(outf);

    /* rename the PMNS */
    if (rename2(outfname, pmnsfile) == -1) {
	fprintf(stderr, "%s: cannot rename \"%s\" to \"%s\": %s\n",
		pmProgname, outfname, pmnsfile, osstrerror());
	/* remove the new PMNS */
	unlink(outfname);
	exit(1);
    }

    exit(0);
}
Example #7
0
int
main(int argc, char *argv[])
{
    int		sts;
    int		nport = 0;
    char	*envstr;
#ifdef HAVE_SA_SIGINFO
    static struct sigaction act;
#endif

    umask(022);
    __pmProcessDataSize(NULL);
    __pmGetUsername(&username);
    __pmSetInternalState(PM_STATE_PMCS);
    __pmServerSetFeature(PM_SERVER_FEATURE_DISCOVERY);
    __pmServerSetFeature(PM_SERVER_FEATURE_CONTAINERS);

    if ((envstr = getenv("PMCD_PORT")) != NULL)
	nport = __pmServerAddPorts(envstr);
    ParseOptions(argc, argv, &nport);
    if (nport == 0)
	__pmServerAddPorts(TO_STRING(SERVER_PORT));

    /* Set the local socket path. A message will be generated into the log
     * if this fails, but it is not fatal, since other connection options
     * may exist. 
     */
    __pmServerSetLocalSocket(sockpath);

    /* Set the service spec. This will cause our service to be advertised on
     * the network if that is supported.
     */
    __pmServerSetServiceSpec(PM_SERVER_SERVICE_SPEC);

    if (run_daemon) {
	fflush(stderr);
	StartDaemon(argc, argv);
    }

#ifdef HAVE_SA_SIGINFO
    act.sa_sigaction = SigIntProc;
    act.sa_flags = SA_SIGINFO;
    sigaction(SIGINT, &act, NULL);
    sigaction(SIGTERM, &act, NULL);
#else
    __pmSetSignalHandler(SIGINT, SigIntProc);
    __pmSetSignalHandler(SIGTERM, SigIntProc);
#endif
    __pmSetSignalHandler(SIGHUP, SigHupProc);
    __pmSetSignalHandler(SIGBUS, SigBad);
    __pmSetSignalHandler(SIGSEGV, SigBad);

    if ((sts = __pmServerOpenRequestPorts(&clientFds, MAXPENDING)) < 0)
	DontStart();
    maxReqPortFd = maxClientFd = sts;

    __pmOpenLog(pmProgname, logfile, stderr, &sts);
    /* close old stdout, and force stdout into same stream as stderr */
    fflush(stdout);
    close(fileno(stdout));
    sts = dup(fileno(stderr));
    /* if this fails beware of the sky falling in */
    assert(sts >= 0);

    sts = pmLoadASCIINameSpace(pmnsfile, dupok);
    if (sts < 0) {
	fprintf(stderr, "Error: pmLoadASCIINameSpace(%s, %d): %s\n",
	    (pmnsfile == PM_NS_DEFAULT) ? "DEFAULT" : pmnsfile, dupok, pmErrStr(sts));
	DontStart();
    }

    if (ParseInitAgents(configFileName) < 0) {
	/* error already reported in ParseInitAgents() */
	DontStart();
    }

    if (nAgents <= 0) {
	fprintf(stderr, "Error: No PMDAs found in the configuration file \"%s\"\n",
		configFileName);
	DontStart();
    }

    if (run_daemon) {
	if (__pmServerCreatePIDFile(PM_SERVER_SERVICE_SPEC, PM_FATAL_ERR) < 0)
	    DontStart();
	if (__pmSetProcessIdentity(username) < 0)
	    DontStart();
    }

    if (__pmSecureServerSetup(certdb, dbpassfile) < 0)
	DontStart();

    PrintAgentInfo(stderr);
    __pmAccDumpLists(stderr);
    fprintf(stderr, "\npmcd: PID = %" FMT_PID, getpid());
    fprintf(stderr, ", PDU version = %u\n", PDU_VERSION);
    __pmServerDumpRequestPorts(stderr);
    fflush(stderr);

    /* all the work is done here */
    ClientLoop();

    Shutdown();
    exit(0);
}
Example #8
0
int
main(int argc, char **argv)
{
    int		sts;
    int		c;
    int		help = 0;
    int		oneline = 0;
    char	*pmnsfile = PM_NS_DEFAULT;
    int		errflag = 0;
    int		aflag = 0;
    int		eflag = 0;
    int		allpmid = 0;
    int		allindom = 0;
    char	*filename;
    char	*tp;
    char	*name;
    int		id;
    int		next_type;
    char	*endnum;

    __pmSetProgname(argv[0]);

    while ((c = getopt(argc, argv, "D:eHin:Opv:?")) != EOF) {
	switch (c) {

	case 'D':	/* debug flag */
	    sts = __pmParseDebug(optarg);
	    if (sts < 0) {
		fprintf(stderr, "%s: unrecognized debug flag specification (%s)\n",
		    pmProgname, optarg);
		errflag++;
	    }
	    else
		pmDebug |= sts;
	    break;

	case 'e':	/* help text exists? */
	    eflag = 1;
	    break;

	case 'H':	/* help text */
	    help = 1;
	    break;

	case 'i':
	    aflag++;
	    allindom = 1;
	    break;

	case 'n':	/* alternative namespace file */
	    pmnsfile = optarg;
	    break;

	case 'O':	/* oneline text */
	    oneline = 1;
	    break;

	case 'p':
	    aflag++;
	    allpmid = 1;
	    break;

	case 'v':	/* version 2 only these days */
	    version = (int)strtol(optarg, &endnum, 10);
	    if (*endnum != '\0') {
		fprintf(stderr, "%s: -v requires numeric argument\n", pmProgname);
		errflag++;
	    }
	    if (version != 2) {
		fprintf(stderr 
                       ,"%s: deprecated option - only version 2 is supported\n"
                       , pmProgname);
		errflag++;
	    }
	    break;

	case '?':
	default:
	    errflag++;
	    break;
	}
    }

    if (optind == argc) {
	fprintf(stderr, "%s: missing helpfile argument\n\n", pmProgname);
	errflag = 1;
    }

    if (aflag && optind < argc-1) {
	fprintf(stderr, "%s: metricname arguments cannot be used with -i or -p\n\n",
	    pmProgname);
	errflag = 1;
    }

    if (aflag == 0 && optind == argc-1 && oneline+help != 0) {
	fprintf(stderr, "%s: -O or -H require metricname arguments or -i or -p\n\n",
	    pmProgname);
	errflag = 1;
    }

    if (eflag && (allpmid || allindom)) {
	fprintf(stderr, "%s: -e cannot be used with -i or -p\n\n",
	    pmProgname);
	errflag = 1;
    }

    if (errflag || optind >= argc) {
	fprintf(stderr,
"Usage: %s helpfile\n"
"       %s [options] helpfile [metricname ...]\n"
"\n"
"Options:\n"
"  -e           exists check, only report metrics with no help text\n"
"  -H           display verbose help text\n"
"  -i           process all the instance domains\n"
"  -n pmnsfile  use an alternative PMNS\n"
"  -O           display the one line help summary\n"
"  -p           process all the metrics (PMIDs)\n"
"  -v version   deprecated (only version 2 format supported)\n"
"\n"
"No options implies silently check internal integrity of the helpfile.\n",
		pmProgname, pmProgname);
	exit(1);
    }

    filename = argv[optind++];
    if ((handle = pmdaOpenHelp(filename)) < 0) {
	fprintf(stderr, "pmdaOpenHelp: failed to open \"%s\": ", filename);
	if (handle == -EINVAL)
	    fprintf(stderr, "Bad format, not version %d PCP help text\n", version);
	else
	    fprintf(stderr, "%s\n", pmErrStr(handle));
	exit(1);
    }

    if ((sts = pmLoadASCIINameSpace(pmnsfile, 1)) < 0) {
	fprintf(stderr, "pmLoadASCIINameSpace(%s, 1): %s\n", pmnsfile, pmErrStr(sts));
	exit(1);
    }

    if (help + oneline == 0 && (optind < argc || aflag))
	/* if metric names, -p or -i => -O is default */
	oneline = 1;

    if (optind == argc && aflag == 0)
	/* no metric names, process all entries */
	aflag = 1;

    if (eflag) {
	if (optind == argc) {
	    sts = pmTraversePMNS("", dometric);
	    if (sts < 0) {
		fprintf(stderr, "Error: pmTraversePMNS(\"\", ...): %s\n", pmErrStr(sts));
	    }
	}
	else {
	    for ( ; optind < argc; optind++) {
		sts = pmTraversePMNS(argv[optind], dometric);
		if (sts < 0)
		    fprintf(stderr, "Error: pmTraversePMNS(\"%s\", ...): %s\n", argv[optind], pmErrStr(sts));
	    }
	}
	exit(0);
    }

    while (optind < argc || aflag) {
	if (aflag) {
	    if (next(&id, &next_type) == 0)
		break;
#ifdef PCP_DEBUG
	    if ((pmDebug & DBG_TRACE_APPL0) && allindom+allpmid == 0)
		fprintf(stderr, "next_type=%d id=0x%x\n", next_type, id);
#endif
	    if (next_type == 2) {
		if (!allindom)
		    continue;
		printf("\nInDom %s:", pmInDomStr((pmInDom)id));
	    }
	    else {
		char		**names;
		if (!allpmid)
		    continue;

		printf("\nPMID %s", pmIDStr((pmID)id));
		sts = pmNameAll(id, &names);
		if (sts > 0) {
		    printf(" ");
		    __pmPrintMetricNames(stdout, sts, names, " or ");
		    free(names);
		}
		putchar(':');
	    }
	}
	else {
	    next_type = 1;
	    name = argv[optind++];
	    if ((sts = pmLookupName(1, &name, (pmID *)&id)) < 0) {
		printf("\n%s: %s\n", name, pmErrStr(sts));
		continue;
	    }
	    if (id == PM_ID_NULL) {
		printf("\n%s: unknown metric\n", name);
		continue;
	    }
	    printf("\nPMID %s %s:", pmIDStr((pmID)id), name);
	}

	if (oneline) {
	    if (next_type == 1)
		tp = pmdaGetHelp(handle, (pmID)id, PM_TEXT_ONELINE);
	    else
		tp = pmdaGetInDomHelp(handle, (pmInDom)id, PM_TEXT_ONELINE);
	    if (tp != NULL)
		printf(" %s", tp);
	    putchar('\n');
	}

	if (help) {
	    if (next_type == 1)
		tp = pmdaGetHelp(handle, (pmID)id, PM_TEXT_HELP);
	    else
		tp = pmdaGetInDomHelp(handle, (pmInDom)id, PM_TEXT_HELP);
	    if (tp != NULL && *tp)
		printf("%s\n", tp);
	}

    }

    return 0;
}
Example #9
0
int
main(int argc, char **argv)
{
    int		sts;
    int		first = 1;
    int		c;
    int		j;
    int		force = 0;
    int		asis = 0;
    int		dupok = 0;
    __pmnsNode	*tmp;

    umask((mode_t)022);		/* anything else is pretty silly */

    while ((c = pmgetopt_r(argc, argv, &opts)) != EOF) {
	switch (c) {

	case 'a':
	    asis = 1;
	    break;

	case 'd':	/* duplicate PMIDs are OK */
	    dupok = 1;
	    break;

	case 'D':	/* debug flag */
	    if ((sts = __pmParseDebug(opts.optarg)) < 0) {
		pmprintf("%s: unrecognized debug flag specification (%s)\n",
		    pmProgname, opts.optarg);
		opts.errors++;
	    } else {
		pmDebug |= sts;
	    }
	    break;

	case 'f':	/* force ... unlink file first */
	    force = 1;
	    break;

	case 'v':
	    verbose++;
	    break;

	case '?':
	default:
	    opts.errors++;
	    break;
	}
    }

    if (opts.errors || opts.optind > argc - 2) {
	pmUsageMessage(&opts);
	exit(1);
    }

    if (force)
	unlink(argv[argc-1]);

    if (access(argv[argc-1], F_OK) == 0) {
	fprintf(stderr, "%s: Error: output PMNS file \"%s\" already exists!\nYou must either remove it first, or use -f\n",
		pmProgname, argv[argc-1]);
	exit(1);
    }

    /*
     * from here on, ignore SIGHUP, SIGINT and SIGTERM to protect
     * the integrity of the new ouput file
     */
    __pmSetSignalHandler(SIGHUP, SIG_IGN);
    __pmSetSignalHandler(SIGINT, SIG_IGN);
    __pmSetSignalHandler(SIGTERM, SIG_IGN);

    if ((outf = fopen(argv[argc-1], "w+")) == NULL) {
	fprintf(stderr, "%s: Error: cannot create output PMNS file \"%s\": %s\n", pmProgname, argv[argc-1], osstrerror());
	exit(1);
    }

    if (!asis)
	sortargs(&argv[opts.optind], argc - opts.optind - 1);

    j = opts.optind;
    while (j < argc-1) {
	if (verbose)
	    printf("%s:\n", argv[j]);

	if ((sts = pmLoadASCIINameSpace(argv[j], dupok)) < 0) {
	    fprintf(stderr, "%s: Error: pmLoadNameSpace(%s): %s\n",
		pmProgname, argv[j], pmErrStr(sts));
	    exit(1);
	}
	{
	    __pmnsTree *t;
	    t = __pmExportPMNS();
	    if (t == NULL) {
	       /* sanity check - shouldn't ever happen */
	       fprintf(stderr, "Exported PMNS is NULL !");
	       exit(1);
	    }
	    tmp = t->root;
	}

	if (first) {
	    root = tmp;
	    first = 0;
	}
	else {
	    pmns_traverse(tmp, 0, "", merge);
	}
	j++;
    }

    pmns_output(root, outf);
    fclose(outf);

    /*
     * now load the merged PMNS to check for errors ...
     */
    if ((sts = pmLoadASCIINameSpace(argv[argc-1], dupok)) < 0) {
	fprintf(stderr, "%s: Error: pmLoadNameSpace(%s): %s\n",
	    pmProgname, argv[argc-1], pmErrStr(sts));
	exit(1);
    }

    exit(0);
}