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-rw-r--r--src/pmlc/pmlc.c398
1 files changed, 398 insertions, 0 deletions
diff --git a/src/pmlc/pmlc.c b/src/pmlc/pmlc.c
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+/*
+ * Copyright (c) 2014 Red Hat.
+ * Copyright (c) 1995-2005 Silicon Graphics, Inc. All Rights Reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2 of the License, or (at your
+ * option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+ * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
+ * for more details.
+ */
+
+#include "pmapi.h"
+#include "impl.h"
+#include "pmlc.h"
+#include "gram.h"
+
+char *configfile;
+__pmLogCtl logctl;
+int parse_done;
+int pid = PM_LOG_NO_PID;
+int port = PM_LOG_NO_PORT;
+int is_unix; /* host spec is a unix: url. */
+int is_local; /* host spec is a local: url. */
+int is_socket_path; /* host spec is a url with a path. */
+char *tz; /* for -Z timezone */
+int tztype = TZ_LOCAL; /* timezone for status cmd */
+int eflag;
+int iflag;
+
+extern int parse_stmt;
+extern int tzchange;
+
+static char title[] = "Performance Co-Pilot Logger Control (pmlc), Version %s\n\n%s\n";
+static char menu[] =
+"pmlc commands\n\n"
+" show loggers [@<host>] display <pid>s of running pmloggers\n"
+" connect _logger_id [@<host>] connect to designated pmlogger\n"
+" status information about connected pmlogger\n"
+" query metric-list show logging state of metrics\n"
+" new volume start a new log volume\n"
+"\n"
+" log { mandatory | advisory } on <interval> _metric-list\n"
+" log { mandatory | advisory } off _metric-list\n"
+" log mandatory maybe _metric-list\n"
+"\n"
+" timezone local|logger|'<timezone>' change reporting timezone\n"
+" help print this help message\n"
+" quit exit from pmlc\n"
+"\n"
+" _logger_id is primary | <pid> | port <n>\n"
+" _metric-list is _metric-spec | { _metric-spec ... }\n"
+" _metric-spec is <metric-name> | <metric-name> [ <instance> ... ]\n";
+
+static int overrides(int, pmOptions *);
+
+static pmLongOptions longopts[] = {
+ PMAPI_OPTIONS_HEADER("Options"),
+ PMOPT_DEBUG,
+ { "echo", 0, 'e', 0, "echo input" },
+ { "host", 1, 'h', "HOST", "connect to pmlogger using host specification" },
+ { "interactive", 0, 'i', 0, "be interactive and prompt" },
+ PMOPT_NAMESPACE,
+ { "primary", 0, 'P', 0, "connect to primary pmlogger" },
+ { "port", 1, 'p', "N", "connect to pmlogger on this TCP/IP port" },
+ PMOPT_TIMEZONE,
+ { "logzone", 0, 'z', 0, "set reporting timezone to local time for pmlogger" },
+ PMOPT_HELP,
+ PMAPI_OPTIONS_END
+};
+
+static pmOptions opts = {
+ .short_options = "D:eh:in:Pp:zZ:?",
+ .long_options = longopts,
+ .short_usage = "[options] [pid]",
+ .override = overrides,
+};
+
+static int
+overrides(int opt, pmOptions *opts)
+{
+ if (opt == 'h' || opt == 'p')
+ return 1;
+ return 0;
+}
+
+int
+main(int argc, char **argv)
+{
+ int c;
+ int sts = 0; /* initialize to pander to gcc */
+ char *host = NULL;
+ char *endnum;
+ int primary;
+ size_t prefix_len;
+ char *prefix_end;
+
+ iflag = isatty(0);
+
+ while ((c = pmGetOptions(argc, argv, &opts)) != EOF) {
+ switch (c) {
+
+ case 'e': /* echo input */
+ eflag++;
+ break;
+
+ case 'h': /* hostspec */
+ /*
+ * We need to know if a socket path has been specified.
+ */
+ host = opts.optarg;
+ prefix_end = strchr(host, ':');
+ if (prefix_end != NULL) {
+ prefix_len = prefix_end - host + 1;
+ if (prefix_len == 6 && strncmp(host, "local:", prefix_len) == 0)
+ is_local = 1;
+ else if (prefix_len == 5 && strncmp(host, "unix:", prefix_len) == 0)
+ is_unix = 1;
+ if (is_local || is_unix) {
+ const char *p;
+ /*
+ * Find out is a path was specified.
+ * Skip any initial path separators.
+ */
+ for (p = host + prefix_len; *p == __pmPathSeparator(); ++p)
+ ;
+ if (*p != '\0')
+ is_socket_path = 1;
+ }
+ }
+ break;
+
+ case 'i': /* be interactive */
+ iflag++;
+ break;
+
+ case 'P': /* connect to primary logger */
+ if (port != PM_LOG_NO_PORT || (is_unix && is_socket_path)) {
+ pmprintf("%s: at most one of -P, -p, unix socket, or PID may be specified\n",
+ pmProgname);
+ opts.errors++;
+ } else {
+ port = PM_LOG_PRIMARY_PORT;
+ }
+ break;
+
+ case 'p': /* connect via port */
+ if (port != PM_LOG_NO_PORT || is_unix) {
+ pmprintf("%s: at most one of -P, -p, unix socket, or PID may be specified\n",
+ pmProgname);
+ opts.errors++;
+ } else {
+ port = (int)strtol(opts.optarg, &endnum, 10);
+ if (*endnum != '\0' || port <= PM_LOG_PRIMARY_PORT) {
+ pmprintf("%s: port must be numeric and greater than %d\n",
+ pmProgname, PM_LOG_PRIMARY_PORT);
+ opts.errors++;
+ }
+ }
+ break;
+ }
+ }
+
+ if (opts.optind < argc - 1)
+ opts.errors++;
+ else if (opts.optind == argc - 1) {
+ /* pid was specified */
+ if (port != PM_LOG_NO_PORT || (is_unix && is_socket_path)) {
+ pmprintf("%s: at most one of -P, -p, unix socket, or PID may be specified\n",
+ pmProgname);
+ opts.errors++;
+ }
+ else {
+ pid = (int)strtol(argv[opts.optind], &endnum, 10);
+ if (*endnum != '\0' || pid <= PM_LOG_PRIMARY_PID) {
+ pmprintf("%s: PID must be a numeric process ID and greater than %d\n",
+ pmProgname, PM_LOG_PRIMARY_PID);
+ opts.errors++;
+ }
+ }
+ }
+
+ if (!opts.errors && host && pid == PM_LOG_NO_PID &&
+ port == PM_LOG_NO_PORT && !is_socket_path) {
+ pmprintf("%s: -h may not be used without -P or -p or a socket path or a PID\n",
+ pmProgname);
+ opts.errors++;
+ }
+
+ if (opts.errors) {
+ pmUsageMessage(&opts);
+ exit(1);
+ }
+
+ if (opts.tzflag) {
+ tztype = TZ_LOGGER;
+ tzchange = 1;
+ } else if (opts.timezone) {
+ tz = opts.timezone;
+ tztype = TZ_OTHER;
+ tzchange = 1;
+ }
+
+ if (host == NULL)
+ host = "local:";
+
+ primary = 0;
+ if (port == PM_LOG_PRIMARY_PORT || pid == PM_LOG_PRIMARY_PID)
+ primary = 1;
+
+ if (pid != PM_LOG_NO_PID || port != PM_LOG_NO_PORT || is_socket_path)
+ sts = ConnectLogger(host, &pid, &port);
+
+ if (iflag)
+ printf(title, PCP_VERSION, menu);
+
+ if (pid != PM_LOG_NO_PID || port != PM_LOG_NO_PORT || is_socket_path) {
+ if (sts < 0) {
+ if (primary) {
+ fprintf(stderr, "Unable to connect to primary pmlogger at %s: ",
+ host);
+ if (still_connected(sts))
+ fprintf(stderr, "%s\n", pmErrStr(sts));
+ }
+ else if (is_socket_path) {
+ fprintf(stderr, "Unable to connect to pmlogger via the local socket at %s: ",
+ host);
+ if (still_connected(sts))
+ fprintf(stderr, "%s\n", pmErrStr(sts));
+ }
+ else if (port != PM_LOG_NO_PORT) {
+ fprintf(stderr, "Unable to connect to pmlogger on port %d at %s: ",
+ port, host);
+ if (still_connected(sts))
+ fprintf(stderr, "%s\n", pmErrStr(sts));
+ }
+ else {
+ fprintf(stderr, "Unable to connect to pmlogger pid %d at %s: ",
+ pid, host);
+ if (still_connected(sts))
+ fprintf(stderr, "%s\n", pmErrStr(sts));
+ }
+ }
+ else {
+ if (primary)
+ printf("Connected to primary pmlogger at %s\n", host);
+ else if (is_socket_path)
+ printf("Connected to pmlogger via local socket at %s\n", host);
+ else if (port != PM_LOG_NO_PORT)
+ printf("Connected to pmlogger on port %d at %s\n", port, host);
+ else
+ printf("Connected to pmlogger pid %d at %s\n", pid, host);
+ }
+ }
+
+ for ( ; ; ) {
+ char *realhost;
+
+ is_local = 0;
+ is_unix = 0;
+ is_socket_path = 0;
+ parse_stmt = -1;
+ metric_cnt = 0;
+ yyparse();
+ if (yywrap()) {
+ if (iflag)
+ putchar('\n');
+ break;
+ }
+ if (metric_cnt < 0)
+ continue;
+#ifdef PCP_DEBUG
+ if (pmDebug & DBG_TRACE_APPL1)
+ printf("stmt=%d, state=%d, control=%d, hostspec=%s, pid=%d, port=%d\n",
+ parse_stmt, state, control, hostname, pid, port);
+#endif
+
+ realhost = (hostname == NULL) ? host : hostname;
+ switch (parse_stmt) {
+
+ case SHOW:
+ ShowLoggers(realhost);
+ break;
+
+ case CONNECT:
+ /* The unix: url requres either 'primary', a pid or a socket path. */
+ if (is_unix && pid == PM_LOG_NO_PID && ! is_socket_path) {
+ fprintf(stderr, "The 'unix:' url requires either 'primary', a pid or a socket path");
+ if (still_connected(sts))
+ fprintf(stderr, "\n");
+ break;
+ }
+ /* The local: url requres either 'primary', a pid a port or a socket path. */
+ if (is_local && pid == PM_LOG_NO_PID && port == PM_LOG_NO_PORT && ! is_socket_path) {
+ fprintf(stderr, "The 'local:' url requires either 'primary', a pid, a port or a socket path");
+ if (still_connected(sts))
+ fprintf(stderr, "\n");
+ break;
+ }
+ primary = 0;
+ if (port == PM_LOG_PRIMARY_PORT || pid == PM_LOG_PRIMARY_PID)
+ primary = 1;
+ if ((sts = ConnectLogger(realhost, &pid, &port)) < 0) {
+ if (primary) {
+ fprintf(stderr, "Unable to connect to primary pmlogger at %s: ",
+ realhost);
+ }
+ else if (is_socket_path) {
+ fprintf(stderr, "Unable to connect to pmlogger via local socket at %s: ",
+ realhost);
+ }
+ else if (port != PM_LOG_NO_PORT) {
+ fprintf(stderr, "Unable to connect to pmlogger on port %d at %s: ",
+ port, realhost);
+ }
+ else {
+ fprintf(stderr, "Unable to connect to pmlogger pid %d at %s: ",
+ pid, realhost);
+ }
+ if (still_connected(sts))
+ fprintf(stderr, "%s\n", pmErrStr(sts));
+ }
+ else
+ /* if the timezone is "logger time", it has changed
+ * because the logger may be in a different zone
+ * (note that tzchange may already be set (e.g. -Z and
+ * this connect is the first).
+ */
+ tzchange |= (tztype == TZ_LOGGER);
+ break;
+
+ case HELP:
+ puts(menu);
+ break;
+
+ case LOG:
+ if (state == PM_LOG_ENQUIRE) {
+ Query();
+ break;
+ }
+ if (logfreq == -1)
+ logfreq = 0;
+ if (state == PM_LOG_ON) {
+ if (logfreq < 0) {
+fprintf(stderr, "Logging delta (%d msec) must be positive\n", logfreq);
+ break;
+ }
+ else if (logfreq > PMLC_MAX_DELTA) {
+fprintf(stderr, "Logging delta (%d msec) cannot be bigger than %d msec\n", logfreq, PMLC_MAX_DELTA);
+ break;
+ }
+ }
+ LogCtl(control, state, logfreq);
+ break;
+
+ case QUIT:
+ printf("Goodbye\n");
+ DisconnectLogger();
+ exit(0);
+ break;
+
+ case STATUS:
+ Status(pid, primary);
+ break;
+
+ case NEW:
+ NewVolume();
+ break;
+
+ case TIMEZONE:
+ tzchange = 1;
+ break;
+
+ case SYNC:
+ Sync();
+ break;
+
+ case QA:
+ if (qa_case == 0)
+ fprintf(stderr, "QA Test Case deactivated\n");
+ else
+ fprintf(stderr, "QA Test Case #%d activated\n", qa_case);
+ Qa();
+ }
+
+ if (hostname != NULL) {
+ free(hostname);
+ hostname = NULL;
+ }
+
+ }
+
+ DisconnectLogger();
+ exit(0);
+}
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