1 files changed, 127 insertions, 0 deletions
diff --git a/src/pmdas/aix/aix.c b/src/pmdas/aix/aix.c
new file mode 100644
index 0000000..335aacd
--- /dev/null
+++ b/src/pmdas/aix/aix.c
@@ -0,0 +1,127 @@
+/*
+ * AIX PMDA
+ *
+ * Collect performance data from the AIX kernel using libperfstat for
+ * the most part.
+ *
+ * Copyright (c) 2012,2014 Red Hat.
+ * Copyright (c) 2004 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 <time.h>
+#include "common.h"
+
+static int	_isDSO = 1;
+static char	mypath[MAXPATHLEN];
+static char	*username;
+
+/*
+ * wrapper for pmdaFetch which primes the methods ready for
+ * the next fetch
+ * ... real callback is fetch_callback()
+ */
+static int
+aix_fetch(int numpmid, pmID pmidlist[], pmResult **resp, pmdaExt *pmda)
+{
+    int		i;
+
+    // TODO: this should only fetch metrics from "pmidlist"
+    for (i = 0; i < methodtab_sz; i++) {
+	methodtab[i].m_prefetch();
+    }
+
+    return pmdaFetch(numpmid, pmidlist, resp, pmda);
+}
+
+/*
+ * callback provided to pmdaFetch
+ */
+static int
+aix_fetch_callback(pmdaMetric *mdesc, unsigned int inst, pmAtomValue *atom)
+{
+    metricdesc_t	*mdp;
+
+    mdp = (metricdesc_t *)mdesc->m_user;
+    return methodtab[mdp->md_method].m_fetch(mdesc, inst, atom);
+}
+
+/*
+ * Initialise the agent (both daemon and DSO).
+ */
+void 
+aix_init(pmdaInterface *dp)
+{
+    if (_isDSO) {
+	int sep = __pmPathSeparator();
+	snprintf(mypath, sizeof(mypath), "%s%c" "aix" "%c" "help",
+		pmGetConfig("PCP_PMDAS_DIR"), sep, sep);
+	pmdaDSO(dp, PMDA_INTERFACE_3, "AIX DSO", mypath);
+    } else {
+	__pmSetProcessIdentity(username);
+    }
+
+    if (dp->status != 0)
+	return;
+
+    dp->version.two.fetch = aix_fetch;
+    pmdaSetFetchCallBack(dp, aix_fetch_callback);
+    init_data(dp->domain);
+    pmdaInit(dp, indomtab, indomtab_sz, metrictab, metrictab_sz);
+}
+
+pmLongOptions   longopts[] = {
+    PMDA_OPTIONS_HEADER("Options"),
+    PMOPT_DEBUG,
+    PMDAOPT_DOMAIN,
+    PMDAOPT_LOGFILE,
+    PMDAOPT_USERNAME,
+    PMOPT_HELP,
+    PMDA_OPTIONS_END
+};
+
+pmdaOptions     opts = {
+    .short_options = "D:d:l:U:?",
+    .long_options = longopts,
+};
+
+/*
+ * Set up the agent if running as a daemon.
+ */
+int
+main(int argc, char **argv)
+{
+    int			sep = __pmPathSeparator();
+    pmdaInterface	desc;
+
+    _isDSO = 0;
+    __pmSetProgname(argv[0]);
+    __pmGetUsername(&username);
+
+    snprintf(mypath, sizeof(mypath), "%s%c" "aix" "%c" "help",
+		pmGetConfig("PCP_PMDAS_DIR"), sep, sep);
+    pmdaDaemon(&desc, PMDA_INTERFACE_3, pmProgname, AIX, "aix.log", mypath);
+
+    pmdaGetOptions(argc, argv, &opts, &desc);
+    if (opts.errors) {
+	pmdaUsageMessage(&opts);
+	exit(1);
+    }
+    if (opts.username)
+	username = opts.username;
+
+    pmdaOpenLog(&desc);
+    aix_init(&desc);
+    pmdaConnect(&desc);
+    pmdaMain(&desc);
+    exit(0);
+}