コード例 #1
0
ファイル: logger.c プロジェクト: Aconex/pcp
void
loggerMain(pmdaInterface *dispatch)
{
    fd_set		readyfds;
    int			nready, pmcdfd;

    pmcdfd = __pmdaInFd(dispatch);
    if (pmcdfd > maxfd)
	maxfd = pmcdfd;

    FD_ZERO(&fds);
    FD_SET(pmcdfd, &fds);

    /* arm interval timer */
    if (__pmAFregister(&interval, NULL, logger_timer) < 0) {
	__pmNotifyErr(LOG_ERR, "registering event interval handler");
	exit(1);
    }

    for (;;) {
	memcpy(&readyfds, &fds, sizeof(readyfds));
	nready = select(maxfd+1, &readyfds, NULL, NULL, NULL);
	if (pmDebug & DBG_TRACE_APPL2)
	    __pmNotifyErr(LOG_DEBUG, "select: nready=%d interval=%d",
			  nready, interval_expired);
	if (nready < 0) {
	    if (neterror() != EINTR) {
		__pmNotifyErr(LOG_ERR, "select failure: %s", netstrerror());
		exit(1);
	    } else if (!interval_expired) {
		continue;
	    }
	}

	__pmAFblock();
	if (nready > 0 && FD_ISSET(pmcdfd, &readyfds)) {
	    if (pmDebug & DBG_TRACE_APPL0)
		__pmNotifyErr(LOG_DEBUG, "processing pmcd PDU [fd=%d]", pmcdfd);
	    if (__pmdaMainPDU(dispatch) < 0) {
		__pmAFunblock();
		exit(1);	/* fatal if we lose pmcd */
	    }
	    if (pmDebug & DBG_TRACE_APPL0)
		__pmNotifyErr(LOG_DEBUG, "completed pmcd PDU [fd=%d]", pmcdfd);
	}
	if (interval_expired) {
	    interval_expired = 0;
	    event_refresh();
	}
	__pmAFunblock();
    }
}
コード例 #2
0
ファイル: papi.c プロジェクト: DundalkIT/pcp
static int
papi_fetch(int numpmid, pmID pmidlist[], pmResult **resp, pmdaExt *pmda)
{
    int i, sts = 0;

    __pmAFblock();
    auto_enable_expiry_cb(0, NULL); // run auto-expiry

    /* In auto-enable mode, handle a mass-refresh of the papi counter
       state in a big batch here, ahead of individual attempts to 
       confirm the counters' activation & read (initial) values. */
    if (auto_enable_time) {
        int need_refresh_p = 0;
        time_t now = time (NULL);

        for (i=0; i<numpmid; i++) {
            __pmID_int *idp = (__pmID_int *)&(pmidlist[i]);
            if (idp->cluster == CLUSTER_PAPI) {
		if (idp->item >= 0 && idp->item <= number_of_events) {
                    if (papi_info[idp->item].position < 0) { // new counter?
			need_refresh_p = 1;
		    }
		    // update or initialize remaining lifetime
		    if (papi_info[idp->item].metric_enabled != METRIC_ENABLED_FOREVER)
			papi_info[idp->item].metric_enabled = now + auto_enable_time;
		}
            }
        }
        if (need_refresh_p) {
            refresh_metrics(1);
            // NB: A non-0 sts here would not be a big problem; no
            // need to abort the whole fetch sequence just for that.
            // Each individual CLUSTER_PAPI fetch will get a
            // PM_ERR_VALUE to let the user know something's up.
        }
            
    }

    /* Update our copy of the papi counter values, so that we do so
       only once per pcp-fetch batch.  Though it's relatively cheap,
       and harmless even if the incoming pcp-fetch is for non-counter
       pcp metrics, we do this only for CLUSTER_PAPI pmids.  This is
       independent of auto-enable mode. */
    for (i=0; i<numpmid; i++) {
        __pmID_int *idp = (__pmID_int *)&(pmidlist[i]);
        if (idp->cluster == CLUSTER_PAPI) {
            sts = check_papi_state();
            if (sts & PAPI_RUNNING) {
                sts = PAPI_read(EventSet, values);
                if (sts != PAPI_OK) {
                    __pmNotifyErr(LOG_ERR, "PAPI_read: %s\n", PAPI_strerror(sts));
                    return PM_ERR_VALUE;
                }
            }
            break; /* No need to look at other pmids. */
        }
    }
    sts = 0; /* clear out any PAPI remnant flags */

    for (i = 0; i < numpmid; i++) {
	__pmID_int *idp = (__pmID_int *)&(pmidlist[i]);
	if (idp->cluster != CLUSTER_AVAILABLE)
	    sts = 1;
    }
    if (sts == 0 || permission_check(pmda->e_context))
	sts = pmdaFetch(numpmid, pmidlist, resp, pmda);
    else
	sts = PM_ERR_PERMISSION;

    __pmAFunblock();
    return sts;
}
コード例 #3
0
ファイル: pmlogger.c プロジェクト: andyvand/cygpcpfans
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);
}
コード例 #4
0
ファイル: slow_af.c プロジェクト: tongfw/pcp
int
main(int argc, char **argv)
{
    int		c;
    int		sts;
    int		errflag = 0;
    struct timeval	delta = { 2, 500000 };
    struct timeval	now;

    __pmSetProgname(argv[0]);

    while ((c = getopt(argc, argv, "D:?")) != 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 '?':
	default:
	    errflag++;
	    break;
	}
    }

    if (errflag) {
	fprintf(stderr,
"Usage: %s options ...\n\
\n\
Options\n\
  -D debug	standard PCP debug flag\n",
		pmProgname);
	exit(1);
    }

    __pmAFblock();
    gettimeofday(&start, NULL);
    reg[0] = __pmAFregister(&delta, NULL, onevent);
    delta.tv_sec = 1;
    reg[1] = __pmAFregister(&delta, NULL, onevent);
    delta.tv_sec = 0;
    delta.tv_usec = 0;
    reg[2] = __pmAFregister(&delta, NULL, onevent);
    delta.tv_sec = 60;	/* will never fire */
    reg[3] = __pmAFregister(&delta, NULL, onevent);
    __pmAFunblock();

    for ( ; ; ) {
	fflush(stderr);
	pause();
	if (pmDebug & DBG_TRACE_AF) {
	    gettimeofday(&now, NULL);
	    fprintf(stderr, "returned from pause(): ");
	    printstamp(&now);
	    fputc('\n', stderr);
	}
    }
}