1 files changed, 126 insertions, 0 deletions
diff --git a/src/pmdas/sample/src/pmda.c b/src/pmdas/sample/src/pmda.c
new file mode 100644
index 0000000..c1449fb
--- /dev/null
+++ b/src/pmdas/sample/src/pmda.c
@@ -0,0 +1,126 @@
+/*
+ * Copyright (c) 2014 Red Hat.
+ * Copyright (c) 1997-2002 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.
+ */
+
+/*
+ * Generic driver for a daemon-based PMDA
+ */
+
+#include <pcp/pmapi.h>
+#include <pcp/impl.h>
+#include <pcp/pmda.h>
+#include "domain.h"
+#include "percontext.h"
+
+extern void sample_init(pmdaInterface *);
+extern int sample_done;
+extern int not_ready;
+extern int _isDSO;
+
+static pmdaInterface dispatch;
+static pmLongOptions longopts[] = {
+    PMDA_OPTIONS_HEADER("Options"),
+    PMOPT_DEBUG,
+    PMDAOPT_DOMAIN,
+    PMDAOPT_LOGFILE,
+    PMDAOPT_USERNAME,
+    PMOPT_HELP,
+    PMDA_OPTIONS_TEXT("\nExactly one of the following options may appear:"),
+    PMDAOPT_INET, 
+    PMDAOPT_PIPE,
+    PMDAOPT_UNIX,
+    PMDAOPT_IPV6,
+    PMDA_OPTIONS_END
+};
+static pmdaOptions opts = {
+    .short_options = "D:d:i:l:pu:U:6:?",
+    .long_options = longopts,
+};
+
+/*
+ * simulate PMDA busy (not responding to PDUs)
+ */
+int
+limbo(void)
+{
+    __pmSendError(dispatch.version.two.ext->e_outfd, FROM_ANON, PM_ERR_PMDANOTREADY);
+    while (not_ready > 0)
+	not_ready = sleep(not_ready);
+    return PM_ERR_PMDAREADY;
+}
+
+/*
+ * callback from pmdaMain
+ */
+static int
+check(void)
+{
+    if (access("/tmp/sample.unavail", F_OK) == 0)
+	return PM_ERR_AGAIN;
+    return 0;
+}
+
+/*
+ * callback from pmdaMain
+ */
+static void
+done(void)
+{
+    if (sample_done)
+	exit(0);
+}
+
+int
+main(int argc, char **argv)
+{
+    int			sep = __pmPathSeparator();
+    char		helppath[MAXPATHLEN];
+    char		*username;
+
+    _isDSO = 0;
+    __pmSetProgname(argv[0]);
+    __pmGetUsername(&username);
+
+    snprintf(helppath, sizeof(helppath), "%s%c" "sample" "%c" "help",
+		pmGetConfig("PCP_PMDAS_DIR"), sep, sep);
+    pmdaDaemon(&dispatch, PMDA_INTERFACE_LATEST, pmProgname, SAMPLE,
+		"sample.log", helppath);
+
+    pmdaGetOptions(argc, argv, &opts, &dispatch);
+    if (opts.errors) {
+	pmdaUsageMessage(&opts);
+	exit(1);
+    }
+    pmdaOpenLog(&dispatch);
+    if (opts.username)
+	username = opts.username;
+    __pmSetProcessIdentity(username);
+
+    sample_init(&dispatch);
+    pmdaSetCheckCallBack(&dispatch, check);
+    pmdaSetDoneCallBack(&dispatch, done);
+    pmdaConnect(&dispatch);
+
+#ifdef HAVE_SIGHUP
+    /*
+     * Non-DSO agents should ignore gratuitous SIGHUPs, e.g. from a
+     * terminal when launched by the PCP Tutorial!
+     */
+    signal(SIGHUP, SIG_IGN);
+#endif
+
+    pmdaMain(&dispatch);
+
+    exit(0);
+}