/**
* collectd - src/nfs.c
* Copyright (C) 2005,2006 Jason Pepas
+ * Copyright (C) 2012,2013 Florian Forster
*
* 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.
+ * Free Software Foundation; only version 2 of the License is applicable.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
*
* Authors:
* Jason Pepas <cell at ices.utexas.edu>
- * Florian octo Forster <octo at verplant.org>
+ * Florian octo Forster <octo at collectd.org>
+ * Cosmin Ioiart <cioiart at gmail.com>
**/
#include "collectd.h"
+
#include "common.h"
#include "plugin.h"
-#define MODULE_NAME "nfs"
-
-/* #if defined(KERNEL_LINUX) || defined(HAVE_LIBKSTAT) */
-#if KERNEL_LINUX
-# define NFS_HAVE_READ 1
-#else
-# define NFS_HAVE_READ 0
+#if HAVE_KSTAT_H
+#include <kstat.h>
#endif
-static char *nfs2_procedures_file = "nfs2_procedures-%s.rrd";
-static char *nfs3_procedures_file = "nfs3_procedures-%s.rrd";
+static const char *config_keys[] = {"ReportV2", "ReportV3", "ReportV4"};
+static int config_keys_num = STATIC_ARRAY_SIZE(config_keys);
+static bool report_v2 = 1;
+static bool report_v3 = 1;
+static bool report_v4 = 1;
/*
see /proc/net/rpc/nfs
21 commit
*/
-static char *nfs2_procedures_ds_def[] =
-{
- "DS:null:COUNTER:"COLLECTD_HEARTBEAT":0:U",
- "DS:getattr:COUNTER:"COLLECTD_HEARTBEAT":0:U",
- "DS:setattr:COUNTER:"COLLECTD_HEARTBEAT":0:U",
- "DS:root:COUNTER:"COLLECTD_HEARTBEAT":0:U",
- "DS:lookup:COUNTER:"COLLECTD_HEARTBEAT":0:U",
- "DS:readlink:COUNTER:"COLLECTD_HEARTBEAT":0:U",
- "DS:read:COUNTER:"COLLECTD_HEARTBEAT":0:U",
- "DS:wrcache:COUNTER:"COLLECTD_HEARTBEAT":0:U",
- "DS:write:COUNTER:"COLLECTD_HEARTBEAT":0:U",
- "DS:create:COUNTER:"COLLECTD_HEARTBEAT":0:U",
- "DS:remove:COUNTER:"COLLECTD_HEARTBEAT":0:U",
- "DS:rename:COUNTER:"COLLECTD_HEARTBEAT":0:U",
- "DS:link:COUNTER:"COLLECTD_HEARTBEAT":0:U",
- "DS:symlink:COUNTER:"COLLECTD_HEARTBEAT":0:U",
- "DS:mkdir:COUNTER:"COLLECTD_HEARTBEAT":0:U",
- "DS:rmdir:COUNTER:"COLLECTD_HEARTBEAT":0:U",
- "DS:readdir:COUNTER:"COLLECTD_HEARTBEAT":0:U",
- "DS:fsstat:COUNTER:"COLLECTD_HEARTBEAT":0:U",
- NULL
+static const char *nfs2_procedures_names[] = {
+ "null", "getattr", "setattr", "root", "lookup", "readlink",
+ "read", "wrcache", "write", "create", "remove", "rename",
+ "link", "symlink", "mkdir", "rmdir", "readdir", "fsstat"};
+static size_t nfs2_procedures_names_num =
+ STATIC_ARRAY_SIZE(nfs2_procedures_names);
+
+static const char *nfs3_procedures_names[] = {
+ "null", "getattr", "setattr", "lookup", "access", "readlink",
+ "read", "write", "create", "mkdir", "symlink", "mknod",
+ "remove", "rmdir", "rename", "link", "readdir", "readdirplus",
+ "fsstat", "fsinfo", "pathconf", "commit"};
+static size_t nfs3_procedures_names_num =
+ STATIC_ARRAY_SIZE(nfs3_procedures_names);
+
+#if HAVE_LIBKSTAT
+static const char *nfs4_procedures_names[] = {"null",
+ "compound",
+ "reserved",
+ "access",
+ "close",
+ "commit",
+ "create",
+ "delegpurge",
+ "delegreturn",
+ "getattr",
+ "getfh",
+ "link",
+ "lock",
+ "lockt",
+ "locku",
+ "lookup",
+ "lookupp",
+ "nverify",
+ "open",
+ "openattr",
+ "open_confirm",
+ "open_downgrade",
+ "putfh",
+ "putpubfh",
+ "putrootfh",
+ "read",
+ "readdir",
+ "readlink",
+ "remove",
+ "rename",
+ "renew",
+ "restorefh",
+ "savefh",
+ "secinfo",
+ "setattr",
+ "setclientid",
+ "setclientid_confirm",
+ "verify",
+ "write"};
+static size_t nfs4_procedures_names_num =
+ STATIC_ARRAY_SIZE(nfs4_procedures_names);
+#endif
+
+#if KERNEL_LINUX
+static const char *nfs4_server40_procedures_names[] = {"null",
+ "compound",
+ "reserved",
+ "access",
+ "close",
+ "commit",
+ "create",
+ "delegpurge",
+ "delegreturn",
+ "getattr",
+ "getfh",
+ "link",
+ "lock",
+ "lockt",
+ "locku",
+ "lookup",
+ "lookupp",
+ "nverify",
+ "open",
+ "openattr",
+ "open_confirm",
+ "open_downgrade",
+ "putfh",
+ "putpubfh",
+ "putrootfh",
+ "read",
+ "readdir",
+ "readlink",
+ "remove",
+ "rename",
+ "renew",
+ "restorefh",
+ "savefh",
+ "secinfo",
+ "setattr",
+ "setclientid",
+ "setcltid_confirm",
+ "verify",
+ "write",
+ "release_lockowner"};
+
+static size_t nfs4_server40_procedures_names_num =
+ STATIC_ARRAY_SIZE(nfs4_server40_procedures_names);
+
+static const char *nfs4_server4x_procedures_names[] = {
+ /* NFS 4.1 */
+ "backchannel_ctl", "bind_conn_to_session", "exchange_id", "create_session",
+ "destroy_session", "free_stateid", "get_dir_delegation", "getdeviceinfo",
+ "getdevicelist", "layoutcommit", "layoutget", "layoutreturn",
+ "secinfo_no_name", "sequence", "set_ssv", "test_stateid", "want_delegation",
+ "destroy_clientid", "reclaim_complete",
+ /* NFS 4.2 */
+ "allocate", /* 3.18 */
+ "copy", /* 3.18 */
+ "copy_notify", /* 3.18 */
+ "deallocate", /* 3.18 */
+ "ioadvise", /* 3.18 */
+ "layouterror", /* 3.18 */
+ "layoutstats", /* 3.18 */
+ "offloadcancel", /* 3.18 */
+ "offloadstatus", /* 3.18 */
+ "readplus", /* 3.18 */
+ "seek", /* 3.18 */
+ "write_same", /* 3.18 */
+ "clone" /* 4.5 */
+};
+
+#define NFS4_SERVER40_NUM_PROC \
+ (STATIC_ARRAY_SIZE(nfs4_server40_procedures_names))
+
+#define NFS4_SERVER4X_NUM_PROC \
+ (STATIC_ARRAY_SIZE(nfs4_server40_procedures_names) + \
+ STATIC_ARRAY_SIZE(nfs4_server4x_procedures_names))
+
+#define NFS4_SERVER_MAX_PROC (NFS4_SERVER4X_NUM_PROC)
+
+static const char *nfs4_client40_procedures_names[] = {
+ "null",
+ "read",
+ "write",
+ "commit",
+ "open",
+ "open_confirm",
+ "open_noattr",
+ "open_downgrade",
+ "close",
+ "setattr",
+ "fsinfo",
+ "renew",
+ "setclientid",
+ "setclientid_confirm",
+ "lock",
+ "lockt",
+ "locku",
+ "access",
+ "getattr",
+ "lookup",
+ "lookupp",
+ "remove",
+ "rename",
+ "link",
+ "symlink",
+ "create",
+ "pathconf",
+ "statfs",
+ "readlink",
+ "readdir",
+ "server_caps",
+ "delegreturn",
+ "getacl",
+ "setacl",
+ "fs_locations", /* |35| 2.6.18 */
+ "release_lockowner", /* |42| 2.6.36 */
+ "secinfo", /* |46| 2.6.39 */
+ "fsid_present" /* |54| 3.13 */
};
-static int nfs2_procedures_ds_num = 18;
-
-static char *nfs3_procedures_ds_def[] =
-{
- "DS:null:COUNTER:"COLLECTD_HEARTBEAT":0:U",
- "DS:getattr:COUNTER:"COLLECTD_HEARTBEAT":0:U",
- "DS:setattr:COUNTER:"COLLECTD_HEARTBEAT":0:U",
- "DS:lookup:COUNTER:"COLLECTD_HEARTBEAT":0:U",
- "DS:access:COUNTER:"COLLECTD_HEARTBEAT":0:U",
- "DS:readlink:COUNTER:"COLLECTD_HEARTBEAT":0:U",
- "DS:read:COUNTER:"COLLECTD_HEARTBEAT":0:U",
- "DS:write:COUNTER:"COLLECTD_HEARTBEAT":0:U",
- "DS:create:COUNTER:"COLLECTD_HEARTBEAT":0:U",
- "DS:mkdir:COUNTER:"COLLECTD_HEARTBEAT":0:U",
- "DS:symlink:COUNTER:"COLLECTD_HEARTBEAT":0:U",
- "DS:mknod:COUNTER:"COLLECTD_HEARTBEAT":0:U",
- "DS:remove:COUNTER:"COLLECTD_HEARTBEAT":0:U",
- "DS:rmdir:COUNTER:"COLLECTD_HEARTBEAT":0:U",
- "DS:rename:COUNTER:"COLLECTD_HEARTBEAT":0:U",
- "DS:link:COUNTER:"COLLECTD_HEARTBEAT":0:U",
- "DS:readdir:COUNTER:"COLLECTD_HEARTBEAT":0:U",
- "DS:readdirplus:COUNTER:"COLLECTD_HEARTBEAT":0:U",
- "DS:fsstat:COUNTER:"COLLECTD_HEARTBEAT":0:U",
- "DS:fsinfo:COUNTER:"COLLECTD_HEARTBEAT":0:U",
- "DS:pathconf:COUNTER:"COLLECTD_HEARTBEAT":0:U",
- "DS:commit:COUNTER:"COLLECTD_HEARTBEAT":0:U",
- NULL
+
+static const char *nfs4_client4x_procedures_names[] = {
+ /* NFS 4.1 */
+ "exchange_id", /* |40| 2.6.30 */
+ "create_session", /* |40| 2.6.30 */
+ "destroy_session", /* |40| 2.6.30 */
+ "sequence", /* |40| 2.6.30 */
+ "get_lease_time", /* |40| 2.6.30 */
+ "reclaim_complete", /* |41| 2.6.33 */
+ "layoutget", /* |44| 2.6.37 */
+ "getdeviceinfo", /* |44| 2.6.37 */
+ "layoutcommit", /* |46| 2.6.39 */
+ "layoutreturn", /* |47| 3.0 */
+ "secinfo_no_name", /* |51| 3.1 */
+ "test_stateid", /* |51| 3.1 */
+ "free_stateid", /* |51| 3.1 */
+ "getdevicelist", /* |51| 3.1 */
+ "bind_conn_to_session", /* |53| 3.5 */
+ "destroy_clientid", /* |53| 3.5 */
+ /* NFS 4.2 */
+ "seek", /* |55| 3.18 */
+ "allocate", /* |57| 3.19 */
+ "deallocate", /* |57| 3.19 */
+ "layoutstats", /* |58| 4.2 */
+ "clone", /* |59| 4.4 */
+ "copy" /* |60| 4.7 */
};
-static int nfs3_procedures_ds_num = 22;
-#if HAVE_LIBKSTAT && 0
+#define NFS4_CLIENT40_NUM_PROC \
+ (STATIC_ARRAY_SIZE(nfs4_client40_procedures_names))
+
+#define NFS4_CLIENT4X_NUM_PROC \
+ (STATIC_ARRAY_SIZE(nfs4_client40_procedures_names) + \
+ STATIC_ARRAY_SIZE(nfs4_client4x_procedures_names))
+
+#define NFS4_CLIENT_MAX_PROC (NFS4_CLIENT4X_NUM_PROC)
+
+#endif
+
+#if HAVE_LIBKSTAT
extern kstat_ctl_t *kc;
static kstat_t *nfs2_ksp_client;
static kstat_t *nfs2_ksp_server;
static kstat_t *nfs4_ksp_server;
#endif
-/* Possibly TODO: NFSv4 statistics */
-
-static void nfs_init (void)
-{
-#if HAVE_LIBKSTAT && 0
- kstat_t *ksp_chain;
-
- nfs2_ksp_client = NULL;
- nfs2_ksp_server = NULL;
- nfs3_ksp_client = NULL;
- nfs3_ksp_server = NULL;
- nfs4_ksp_client = NULL;
- nfs4_ksp_server = NULL;
-
- if (kc == NULL)
- return;
-
- for (ksp_chain = kc->kc_chain; ksp_chain != NULL;
- ksp_chain = ksp_chain->ks_next)
- {
- if (strncmp (ksp_chain->ks_module, "nfs", 3) != 0)
- continue;
- else if (strncmp (ksp_chain->ks_name, "rfsproccnt_v2", 13) == 0)
- nfs2_ksp_server = ksp_chain;
- else if (strncmp (ksp_chain->ks_name, "rfsproccnt_v3", 13) == 0)
- nfs3_ksp_server = ksp_chain;
- else if (strncmp (ksp_chain->ks_name, "rfsproccnt_v4", 13) == 0)
- nfs4_ksp_server = ksp_chain;
- else if (strncmp (ksp_chain->ks_name, "rfsreqcnt_v2", 12) == 0)
- nfs2_ksp_client = ksp_chain;
- else if (strncmp (ksp_chain->ks_name, "rfsreqcnt_v3", 12) == 0)
- nfs3_ksp_client = ksp_chain;
- else if (strncmp (ksp_chain->ks_name, "rfsreqcnt_v4", 12) == 0)
- nfs4_ksp_client = ksp_chain;
- }
+static int nfs_config(const char *key, const char *value) {
+ if (strcasecmp(key, "ReportV2") == 0)
+ report_v2 = IS_TRUE(value);
+ else if (strcasecmp(key, "ReportV3") == 0)
+ report_v3 = IS_TRUE(value);
+ else if (strcasecmp(key, "ReportV4") == 0)
+ report_v4 = IS_TRUE(value);
+ else
+ return -1;
+
+ return 0;
+}
+
+#if KERNEL_LINUX
+static int nfs_init(void) { return 0; }
+/* #endif KERNEL_LINUX */
+
+#elif HAVE_LIBKSTAT
+static int nfs_init(void) {
+ nfs2_ksp_client = NULL;
+ nfs2_ksp_server = NULL;
+ nfs3_ksp_client = NULL;
+ nfs3_ksp_server = NULL;
+ nfs4_ksp_client = NULL;
+ nfs4_ksp_server = NULL;
+
+ if (kc == NULL)
+ return -1;
+
+ for (kstat_t *ksp_chain = kc->kc_chain; ksp_chain != NULL;
+ ksp_chain = ksp_chain->ks_next) {
+ if (strncmp(ksp_chain->ks_module, "nfs", 3) != 0)
+ continue;
+ else if (strncmp(ksp_chain->ks_name, "rfsproccnt_v2", 13) == 0)
+ nfs2_ksp_server = ksp_chain;
+ else if (strncmp(ksp_chain->ks_name, "rfsproccnt_v3", 13) == 0)
+ nfs3_ksp_server = ksp_chain;
+ else if (strncmp(ksp_chain->ks_name, "rfsproccnt_v4", 13) == 0)
+ nfs4_ksp_server = ksp_chain;
+ else if (strncmp(ksp_chain->ks_name, "rfsreqcnt_v2", 12) == 0)
+ nfs2_ksp_client = ksp_chain;
+ else if (strncmp(ksp_chain->ks_name, "rfsreqcnt_v3", 12) == 0)
+ nfs3_ksp_client = ksp_chain;
+ else if (strncmp(ksp_chain->ks_name, "rfsreqcnt_v4", 12) == 0)
+ nfs4_ksp_client = ksp_chain;
+ }
+
+ return 0;
+} /* int nfs_init */
#endif
- return;
-}
+static void nfs_procedures_submit(const char *plugin_instance,
+ const char **type_instances, value_t *values,
+ size_t values_num) {
+ value_list_t vl = VALUE_LIST_INIT;
-#define BUFSIZE 1024
-static void nfs2_procedures_write (char *host, char *inst, char *val)
-{
- char filename[BUFSIZE];
+ vl.values_len = 1;
+ sstrncpy(vl.plugin, "nfs", sizeof(vl.plugin));
+ sstrncpy(vl.plugin_instance, plugin_instance, sizeof(vl.plugin_instance));
+ sstrncpy(vl.type, "nfs_procedure", sizeof(vl.type));
- if (snprintf (filename, BUFSIZE, nfs2_procedures_file, inst) > BUFSIZE)
- return;
+ for (size_t i = 0; i < values_num; i++) {
+ vl.values = values + i;
+ sstrncpy(vl.type_instance, type_instances[i], sizeof(vl.type_instance));
+ plugin_dispatch_values(&vl);
+ }
+} /* void nfs_procedures_submit */
- rrd_update_file (host, filename, val, nfs2_procedures_ds_def,
- nfs2_procedures_ds_num);
-}
+#if KERNEL_LINUX
+static void nfs_submit_fields(int nfs_version, const char *instance,
+ char **fields, size_t fields_num,
+ const char **proc_names) {
+ char plugin_instance[DATA_MAX_NAME_LEN];
+ value_t values[fields_num];
-static void nfs3_procedures_write (char *host, char *inst, char *val)
-{
- char filename[BUFSIZE];
+ snprintf(plugin_instance, sizeof(plugin_instance), "v%i%s", nfs_version,
+ instance);
- if (snprintf (filename, BUFSIZE, nfs3_procedures_file, inst) > BUFSIZE)
- return;
+ for (size_t i = 0; i < fields_num; i++)
+ (void)parse_value(fields[i], &values[i], DS_TYPE_DERIVE);
- rrd_update_file (host, filename, val, nfs3_procedures_ds_def,
- nfs3_procedures_ds_num);
+ nfs_procedures_submit(plugin_instance, proc_names, values, fields_num);
}
-#if NFS_HAVE_READ
-static void nfs2_procedures_submit (unsigned long long *val, char *inst)
-{
- char buf[BUFSIZE];
- int retval = 0;
-
- retval = snprintf (buf, BUFSIZE, "%u:%llu:%llu:%llu:%llu:%llu:%llu:"
- "%llu:%llu:%llu:%llu:%llu:%llu:%llu:%llu:%llu:"
- "%llu:%llu:%llu", /* 18x %llu */
- (unsigned int) curtime,
- val[0], val[1], val[2], val[3], val[4], val[5], val[6],
- val[7], val[8], val[9], val[10], val[11], val[12],
- val[13], val[14], val[15], val[16], val[17]);
-
-
- if (retval >= BUFSIZE)
- return;
- else if (retval < 0)
- {
- syslog (LOG_ERR, "nfs: snprintf's format failed: %s", strerror (errno));
- return;
- }
-
- plugin_submit ("nfs2_procedures", inst, buf);
+static int nfs_submit_fields_safe(int nfs_version, const char *instance,
+ char **fields, size_t fields_num,
+ const char **proc_names,
+ size_t proc_names_num) {
+ if (fields_num != proc_names_num) {
+ WARNING("nfs plugin: Wrong number of fields for "
+ "NFSv%i %s statistics. Expected %" PRIsz ", got %" PRIsz ".",
+ nfs_version, instance, proc_names_num, fields_num);
+ return EINVAL;
+ }
+
+ nfs_submit_fields(nfs_version, instance, fields, fields_num, proc_names);
+
+ return 0;
}
-static void nfs3_procedures_submit (unsigned long long *val, char *inst)
-{
- char buf[BUFSIZE];
- int retval = 0;
-
- retval = snprintf(buf, BUFSIZE, "%u:%llu:%llu:%llu:%llu:%llu:%llu:"
- "%llu:%llu:%llu:%llu:%llu:%llu:%llu:%llu:%llu:"
- "%llu:%llu:%llu:%llu:%llu:%llu:%llu", /* 22x %llu */
- (unsigned int) curtime,
- val[0], val[1], val[2], val[3], val[4], val[5], val[6],
- val[7], val[8], val[9], val[10], val[11], val[12],
- val[13], val[14], val[15], val[16], val[17], val[18],
- val[19], val[20], val[21]);
-
- if (retval >= BUFSIZE)
- return;
- else if (retval < 0)
- {
- syslog (LOG_ERR, "nfs: snprintf's format failed: %s", strerror (errno));
- return;
- }
-
- plugin_submit("nfs3_procedures", inst, buf);
+static int nfs_submit_nfs4_server(const char *instance, char **fields,
+ size_t fields_num) {
+ static int suppress_warning = 0;
+ size_t proc4x_names_num;
+
+ switch (fields_num) {
+ case NFS4_SERVER40_NUM_PROC:
+ case NFS4_SERVER40_NUM_PROC + 19: /* NFS 4.1 */
+ case NFS4_SERVER40_NUM_PROC + 31: /* NFS 4.2 */
+ case NFS4_SERVER40_NUM_PROC + 32: /* NFS 4.2 */
+ break;
+ default:
+ if (!suppress_warning) {
+ WARNING("nfs plugin: Unexpected number of fields for "
+ "NFSv4 %s statistics: %" PRIsz ". ",
+ instance, fields_num);
+ }
+
+ if (fields_num > NFS4_SERVER_MAX_PROC) {
+ fields_num = NFS4_SERVER_MAX_PROC;
+ suppress_warning = 1;
+ } else {
+ return EINVAL;
+ }
+ }
+
+ nfs_submit_fields(4, instance, fields, nfs4_server40_procedures_names_num,
+ nfs4_server40_procedures_names);
+
+ if (fields_num > nfs4_server40_procedures_names_num) {
+ proc4x_names_num = fields_num - nfs4_server40_procedures_names_num;
+ fields += nfs4_server40_procedures_names_num;
+
+ nfs_submit_fields(4, instance, fields, proc4x_names_num,
+ nfs4_server4x_procedures_names);
+ }
+
+ return 0;
}
-#endif /* NFS_HAVE_READ */
-#if KERNEL_LINUX
-static void nfs_read_stats_file (FILE *fh, char *inst)
-{
- char buffer[BUFSIZE];
-
- char *fields[48];
- int numfields = 0;
-
- if (fh == NULL)
- return;
-
- while (fgets (buffer, BUFSIZE, fh) != NULL)
- {
- numfields = strsplit (buffer, fields, 48);
-
- if (numfields < 2)
- continue;
-
- if (strncmp (fields[0], "proc2", 5) == 0)
- {
- int i;
- unsigned long long *values;
-
- if (numfields - 2 != nfs2_procedures_ds_num)
- {
- syslog (LOG_WARNING, "nfs: Wrong number of fields (= %i) for NFS2 statistics.", numfields - 2);
- continue;
- }
-
- if ((values = (unsigned long long *) malloc (nfs2_procedures_ds_num * sizeof (unsigned long long))) == NULL)
- {
- syslog (LOG_ERR, "nfs: malloc: %s", strerror (errno));
- continue;
- }
-
- for (i = 0; i < nfs2_procedures_ds_num; i++)
- values[i] = atoll (fields[i + 2]);
-
- nfs2_procedures_submit (values, inst);
-
- free (values);
- }
- else if (strncmp (fields[0], "proc3", 5) == 0)
- {
- int i;
- unsigned long long *values;
-
- if (numfields - 2 != nfs3_procedures_ds_num)
- {
- syslog (LOG_WARNING, "nfs: Wrong number of fields (= %i) for NFS3 statistics.", numfields - 2);
- continue;
- }
-
- if ((values = (unsigned long long *) malloc (nfs3_procedures_ds_num * sizeof (unsigned long long))) == NULL)
- {
- syslog (LOG_ERR, "nfs: malloc: %s", strerror (errno));
- continue;
- }
-
- for (i = 0; i < nfs3_procedures_ds_num; i++)
- values[i] = atoll (fields[i + 2]);
-
- nfs3_procedures_submit (values, inst);
-
- free (values);
- }
- }
+static int nfs_submit_nfs4_client(const char *instance, char **fields,
+ size_t fields_num) {
+ size_t proc40_names_num, proc4x_names_num;
+
+ static int suppress_warning = 0;
+
+ switch (fields_num) {
+ case 34:
+ case 35:
+ case 36:
+ case 37:
+ case 38:
+ /* 4.0-only configuration */
+ proc40_names_num = fields_num;
+ break;
+ case 40:
+ case 41:
+ proc40_names_num = 35;
+ break;
+ case 42:
+ case 44:
+ proc40_names_num = 36;
+ break;
+ case 46:
+ case 47:
+ case 51:
+ case 53:
+ proc40_names_num = 37;
+ break;
+ case 54:
+ case 55:
+ case 57:
+ case 58:
+ case 59:
+ case 60:
+ proc40_names_num = 38;
+ break;
+ default:
+ if (!suppress_warning) {
+ WARNING("nfs plugin: Unexpected number of fields for NFSv4 %s "
+ "statistics: %" PRIsz ". ",
+ instance, fields_num);
+ }
+
+ if (fields_num > 34) {
+ /* safe fallback to basic nfs40 procedures */
+ fields_num = 34;
+ proc40_names_num = 34;
+
+ suppress_warning = 1;
+ } else {
+ return EINVAL;
+ }
+ }
+
+ nfs_submit_fields(4, instance, fields, proc40_names_num,
+ nfs4_client40_procedures_names);
+
+ if (fields_num > proc40_names_num) {
+ proc4x_names_num = fields_num - proc40_names_num;
+ fields += proc40_names_num;
+
+ nfs_submit_fields(4, instance, fields, proc4x_names_num,
+ nfs4_client4x_procedures_names);
+ }
+
+ return 0;
}
-#endif /* defined(KERNEL_LINUX) */
-#undef BUFSIZE
-
-#if HAVE_LIBKSTAT && 0
-static void nfs2_read_kstat (kstat_t *ksp, char *inst)
-{
- unsigned long long values[18];
-
- values[0] = get_kstat_value (ksp, "null");
- values[1] = get_kstat_value (ksp, "getattr");
- values[2] = get_kstat_value (ksp, "setattr");
- values[3] = get_kstat_value (ksp, "root");
- values[4] = get_kstat_value (ksp, "lookup");
- values[5] = get_kstat_value (ksp, "readlink");
- values[6] = get_kstat_value (ksp, "read");
- values[7] = get_kstat_value (ksp, "wrcache");
- values[8] = get_kstat_value (ksp, "write");
- values[9] = get_kstat_value (ksp, "create");
- values[10] = get_kstat_value (ksp, "remove");
- values[11] = get_kstat_value (ksp, "rename");
- values[12] = get_kstat_value (ksp, "link");
- values[13] = get_kstat_value (ksp, "symlink");
- values[14] = get_kstat_value (ksp, "mkdir");
- values[15] = get_kstat_value (ksp, "rmdir");
- values[16] = get_kstat_value (ksp, "readdir");
- values[17] = get_kstat_value (ksp, "statfs");
-
- nfs2_procedures_submit (values, inst);
+
+static void nfs_read_linux(FILE *fh, const char *inst) {
+ char buffer[1024];
+
+ char *fields[64];
+ int fields_num = 0;
+
+ if (fh == NULL)
+ return;
+
+ while (fgets(buffer, sizeof(buffer), fh) != NULL) {
+ fields_num = strsplit(buffer, fields, STATIC_ARRAY_SIZE(fields));
+
+ if (fields_num < 3)
+ continue;
+
+ if (strcmp(fields[0], "proc2") == 0 && report_v2) {
+ nfs_submit_fields_safe(/* version = */ 2, inst, fields + 2,
+ (size_t)(fields_num - 2), nfs2_procedures_names,
+ nfs2_procedures_names_num);
+ } else if (strncmp(fields[0], "proc3", 5) == 0 && report_v3) {
+ nfs_submit_fields_safe(/* version = */ 3, inst, fields + 2,
+ (size_t)(fields_num - 2), nfs3_procedures_names,
+ nfs3_procedures_names_num);
+ } else if (strcmp(fields[0], "proc4ops") == 0 && report_v4) {
+ if (inst[0] == 's')
+ nfs_submit_nfs4_server(inst, fields + 2, (size_t)(fields_num - 2));
+ } else if (strcmp(fields[0], "proc4") == 0 && report_v4) {
+ if (inst[0] == 'c')
+ nfs_submit_nfs4_client(inst, fields + 2, (size_t)(fields_num - 2));
+ }
+ } /* while (fgets) */
+} /* void nfs_read_linux */
+#endif /* KERNEL_LINUX */
+
+#if HAVE_LIBKSTAT
+static int nfs_read_kstat(kstat_t *ksp, int nfs_version, const char *inst,
+ char const **proc_names, size_t proc_names_num) {
+ char plugin_instance[DATA_MAX_NAME_LEN];
+ value_t values[proc_names_num];
+
+ if (ksp == NULL)
+ return EINVAL;
+
+ snprintf(plugin_instance, sizeof(plugin_instance), "v%i%s", nfs_version,
+ inst);
+
+ kstat_read(kc, ksp, NULL);
+ for (size_t i = 0; i < proc_names_num; i++) {
+ /* The name passed to kstat_data_lookup() doesn't have the
+ * "const" modifier, so we need to copy the name here. */
+ char name[32];
+ sstrncpy(name, proc_names[i], sizeof(name));
+
+ values[i].counter = (derive_t)get_kstat_value(ksp, name);
+ }
+
+ nfs_procedures_submit(plugin_instance, proc_names, values, proc_names_num);
+ return 0;
}
#endif
-#if NFS_HAVE_READ
-static void nfs_read (void)
-{
#if KERNEL_LINUX
- FILE *fh;
-
- if ((fh = fopen ("/proc/net/rpc/nfs", "r")) != NULL)
- {
- nfs_read_stats_file (fh, "client");
- fclose (fh);
- }
-
- if ((fh = fopen ("/proc/net/rpc/nfsd", "r")) != NULL)
- {
- nfs_read_stats_file (fh, "server");
- fclose (fh);
- }
-
-/* #endif defined(KERNEL_LINUX) */
-
-#elif HAVE_LIBKSTAT && 0
- if (nfs2_ksp_client != NULL)
- nfs2_read_kstat (nfs2_ksp_client, "client");
- if (nfs2_ksp_server != NULL)
- nfs2_read_kstat (nfs2_ksp_server, "server");
-#endif /* defined(HAVE_LIBKSTAT) */
+static int nfs_read(void) {
+ FILE *fh;
+
+ if ((fh = fopen("/proc/net/rpc/nfs", "r")) != NULL) {
+ nfs_read_linux(fh, "client");
+ fclose(fh);
+ }
+
+ if ((fh = fopen("/proc/net/rpc/nfsd", "r")) != NULL) {
+ nfs_read_linux(fh, "server");
+ fclose(fh);
+ }
+
+ return 0;
}
-#else
-# define nfs_read NULL
-#endif /* NFS_HAVE_READ */
-
-void module_register (void)
-{
- plugin_register (MODULE_NAME, nfs_init, nfs_read, NULL);
- plugin_register ("nfs2_procedures", NULL, NULL, nfs2_procedures_write);
- plugin_register ("nfs3_procedures", NULL, NULL, nfs3_procedures_write);
+/* #endif KERNEL_LINUX */
+
+#elif HAVE_LIBKSTAT
+static int nfs_read(void) {
+ if (report_v2) {
+ nfs_read_kstat(nfs2_ksp_client, /* version = */ 2, "client",
+ nfs2_procedures_names, nfs2_procedures_names_num);
+ nfs_read_kstat(nfs2_ksp_server, /* version = */ 2, "server",
+ nfs2_procedures_names, nfs2_procedures_names_num);
+ }
+ if (report_v3) {
+ nfs_read_kstat(nfs3_ksp_client, /* version = */ 3, "client",
+ nfs3_procedures_names, nfs3_procedures_names_num);
+ nfs_read_kstat(nfs3_ksp_server, /* version = */ 3, "server",
+ nfs3_procedures_names, nfs3_procedures_names_num);
+ }
+ if (report_v4) {
+ nfs_read_kstat(nfs4_ksp_client, /* version = */ 4, "client",
+ nfs4_procedures_names, nfs4_procedures_names_num);
+ nfs_read_kstat(nfs4_ksp_server, /* version = */ 4, "server",
+ nfs4_procedures_names, nfs4_procedures_names_num);
+ }
+
+ return 0;
}
+#endif /* HAVE_LIBKSTAT */
-#undef MODULE_NAME
+void module_register(void) {
+ plugin_register_config("nfs", nfs_config, config_keys, config_keys_num);
+ plugin_register_init("nfs", nfs_init);
+ plugin_register_read("nfs", nfs_read);
+} /* void module_register */
projects / collectd.git / blobdiff