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); } }
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); }
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); }
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); }
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); }
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); }
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); }
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; }
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); }