X-Git-Url: https://git.octo.it/?a=blobdiff_plain;f=src%2Fnfs.c;h=a7adc920b1d23cf2075d337a85e1d7120c54f963;hb=5dbb7471b0a7ca7506f56f4c6dbaf58e790c6b7c;hp=6290613323fdfede22acf8ce39bd685b520cb5eb;hpb=9655d4a6d9fa2c4f02032759b831e93933d68bd9;p=collectd.git

diff --git a/src/nfs.c b/src/nfs.c
index 62906133..a7adc920 100644
--- a/src/nfs.c
+++ b/src/nfs.c
@@ -31,6 +31,12 @@
 #include <kstat.h>
 #endif
 
+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
 see http://www.missioncriticallinux.com/orph/NFS-Statistics
@@ -295,6 +301,19 @@ static kstat_t *nfs4_ksp_client;
 static kstat_t *nfs4_ksp_server;
 #endif
 
+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 */
@@ -357,8 +376,8 @@ static void nfs_submit_fields(int nfs_version, const char *instance,
   char plugin_instance[DATA_MAX_NAME_LEN];
   value_t values[fields_num];
 
-  ssnprintf(plugin_instance, sizeof(plugin_instance), "v%i%s", nfs_version,
-            instance);
+  snprintf(plugin_instance, sizeof(plugin_instance), "v%i%s", nfs_version,
+           instance);
 
   for (size_t i = 0; i < fields_num; i++)
     (void)parse_value(fields[i], &values[i], DS_TYPE_DERIVE);
@@ -495,18 +514,18 @@ static void nfs_read_linux(FILE *fh, const char *inst) {
     if (fields_num < 3)
       continue;
 
-    if (strcmp(fields[0], "proc2") == 0) {
+    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) {
+    } 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) {
+    } 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) {
+    } 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));
     }
@@ -523,8 +542,8 @@ static int nfs_read_kstat(kstat_t *ksp, int nfs_version, const char *inst,
   if (ksp == NULL)
     return EINVAL;
 
-  ssnprintf(plugin_instance, sizeof(plugin_instance), "v%i%s", nfs_version,
-            inst);
+  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++) {
@@ -561,24 +580,31 @@ static int nfs_read(void) {
 
 #elif HAVE_LIBKSTAT
 static int nfs_read(void) {
-  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);
-  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);
-  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);
+  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 */
 
 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 */