4 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License version 2 only,
8 * as published by the Free Software Foundation.
10 * This program is distributed in the hope that it will be useful, but
11 * WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 * General Public License version 2 for more details (a copy is included
14 * in the LICENSE file that accompanied this code).
16 * You should have received a copy of the GNU General Public License
17 * version 2 along with this program; If not, see
18 * http://www.sun.com/software/products/lustre/docs/GPLv2.pdf
20 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
21 * CA 95054 USA or visit www.sun.com if you need additional information or
27 * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved.
28 * Use is subject to license terms.
30 * Copyright (c) 2012, Intel Corporation.
33 * This file is part of Lustre, http://www.lustre.org/
34 * Lustre is a trademark of Sun Microsystems, Inc.
38 * Author: PJ Kirner <pjkirner@clusterfs.com>
41 #include <net-snmp/net-snmp-config.h>
42 #include <net-snmp/net-snmp-includes.h>
43 #include <net-snmp/agent/net-snmp-agent-includes.h>
44 #include <net-snmp/utilities.h>
46 #include "lustre-snmp.h"
48 #define LNET_CHECK_INTERVAL 500
51 * clusterFileSystems_variables_oid:
52 * this is the top level oid that we want to register under. This
53 * is essentially a prefix, with the suffix appearing in the
58 oid clusterFileSystems_variables_oid[] = { 1,3,6,1,4,1,13140 };
62 * variable7 clusterFileSystems_variables:
63 * this variable defines function callbacks and type return information
64 * for the clusterFileSystems mib section
68 struct variable7 clusterFileSystems_variables[] = {
69 /* magic number , variable type , ro/rw , callback fn , L, oidsuffix */
71 /* sytemInformation 2.1.1. */
72 { SYSVERSION , ASN_OCTET_STR , RONLY , var_clusterFileSystems, 4, { 2,1,1,1 } },
73 { SYSKERNELVERSION , ASN_OCTET_STR , RONLY , var_clusterFileSystems, 4, { 2,1,1,2 } },
74 { SYSHEALTHCHECK , ASN_OCTET_STR , RONLY , var_clusterFileSystems, 4, { 2,1,1,3 } },
75 { SYSSTATUS , ASN_INTEGER , RWRITE, var_clusterFileSystems, 4, { 2,1,1,4 } },
77 /* objectStorageTargets 2.1.2 */
78 { OSDNUMBER , ASN_UNSIGNED , RONLY , var_clusterFileSystems, 4, { 2,1,2,1 } },
80 /* objectStorageTargets.osdTable.osdEntry 2.1.2.2.1 */
81 { OSDUUID , ASN_OCTET_STR , RONLY , var_osdTable, 6, { 2,1,2,2,1,2 } },
82 { OSDCOMMONNAME , ASN_OCTET_STR , RONLY , var_osdTable, 6, { 2,1,2,2,1,3 } },
83 { OSDCAPACITY , ASN_COUNTER64 , RONLY , var_osdTable, 6, { 2,1,2,2,1,4 } },
84 { OSDFREECAPACITY , ASN_COUNTER64 , RONLY , var_osdTable, 6, { 2,1,2,2,1,5 } },
85 { OSDOBJECTS , ASN_COUNTER64 , RONLY , var_osdTable, 6, { 2,1,2,2,1,6 } },
86 { OSDFREEOBJECTS , ASN_COUNTER64 , RONLY , var_osdTable, 6, { 2,1,2,2,1,7 } },
88 /* objectStorageClients 2.1.3 */
89 { OSCNUMBER , ASN_UNSIGNED , RONLY , var_clusterFileSystems, 4, { 2,1,3,1 } },
91 /* objectStorageClients.oscTable.oscEntry 2.1.3.2.1 */
92 { OSCUUID , ASN_OCTET_STR , RONLY , var_oscTable, 6, { 2,1,3,2,1,2 } },
93 { OSCCOMMONNAME , ASN_OCTET_STR , RONLY , var_oscTable, 6, { 2,1,3,2,1,3 } },
94 { OSCOSTSERVERUUID , ASN_OCTET_STR , RONLY , var_oscTable, 6, { 2,1,3,2,1,4 } },
95 { OSCCAPACITY , ASN_COUNTER64 , RONLY , var_oscTable, 6, { 2,1,3,2,1,5 } },
96 { OSCFREECAPACITY , ASN_COUNTER64 , RONLY , var_oscTable, 6, { 2,1,3,2,1,6 } },
97 { OSCOBJECTS , ASN_COUNTER64 , RONLY , var_oscTable, 6, { 2,1,3,2,1,7 } },
98 { OSCFREEOBJECTS , ASN_COUNTER64 , RONLY , var_oscTable, 6, { 2,1,3,2,1,8 } },
101 /* metaDataServers 2.1.4 */
102 { MDDNUMBER , ASN_UNSIGNED , RONLY , var_clusterFileSystems, 4, { 2,1,4,1 } },
104 /* metaDataServers.mddTable.mddEntry 2.1.4.2.1 */
105 { MDDUUID , ASN_OCTET_STR , RONLY , var_mdsTable, 6, { 2,1,4,2,1,2 } },
106 { MDDCOMMONNAME , ASN_OCTET_STR , RONLY , var_mdsTable, 6, { 2,1,4,2,1,3 } },
107 { MDDCAPACITY , ASN_COUNTER64 , RONLY , var_mdsTable, 6, { 2,1,4,2,1,4 } },
108 { MDDFREECAPACITY , ASN_COUNTER64 , RONLY , var_mdsTable, 6, { 2,1,4,2,1,5 } },
109 { MDDFILES , ASN_COUNTER64 , RONLY , var_mdsTable, 6, { 2,1,4,2,1,6 } },
110 { MDDFREEFILES , ASN_COUNTER64 , RONLY , var_mdsTable, 6, { 2,1,4,2,1,7 } },
111 { MDSNBSAMPLEDREQ , ASN_COUNTER64 , RONLY , var_mdsNbSampledReq, 4, { 2,1,4,3 } },
113 /* metaDataClients 2.1.5 */
114 { MDCNUMBER , ASN_UNSIGNED , RONLY , var_clusterFileSystems, 4, { 2,1,5,1 } },
116 /* metaDataClients.mdcTable.mdcEntry 2.1.5.2.1 */
117 { MDCUUID , ASN_OCTET_STR , RONLY , var_mdcTable, 6, { 2,1,5,2,1,2 } },
118 { MDCCOMMONNAME , ASN_OCTET_STR , RONLY , var_mdcTable, 6, { 2,1,5,2,1,3 } },
119 { MDCMDSSERVERUUID , ASN_OCTET_STR , RONLY , var_mdcTable, 6, { 2,1,5,2,1,4 } },
120 { MDCCAPACITY , ASN_COUNTER64 , RONLY , var_mdcTable, 6, { 2,1,5,2,1,5 } },
121 { MDCFREECAPACITY , ASN_COUNTER64 , RONLY , var_mdcTable, 6, { 2,1,5,2,1,6 } },
122 { MDCOBJECTS , ASN_COUNTER64 , RONLY , var_mdcTable, 6, { 2,1,5,2,1,7 } },
123 { MDCFREEOBJECTS , ASN_COUNTER64 , RONLY , var_mdcTable, 6, { 2,1,5,2,1,8 } },
125 /* lustreClients 2.1.6 */
126 { CLIMOUNTNUMBER , ASN_UNSIGNED , RONLY , var_clusterFileSystems, 4, { 2,1,6,1 } },
128 /* lustreClients.cliMountTable.cliMountEntry 2.1.6.2.1 */
129 { CLIUUID , ASN_OCTET_STR , RONLY , var_cliTable, 6, { 2,1,6,2,1,2 } },
130 { CLICOMMONNAME , ASN_OCTET_STR , RONLY , var_cliTable, 6, { 2,1,6,2,1,3 } },
131 { CLIMDCUUID , ASN_OCTET_STR , RONLY , var_cliTable, 6, { 2,1,6,2,1,4 } },
132 { CLIMDCCOMMONNAME , ASN_OCTET_STR , RONLY , var_cliTable, 6, { 2,1,6,2,1,5 } },
133 { CLIUSESLOV , ASN_INTEGER , RONLY , var_cliTable, 6, { 2,1,6,2,1,6 } },
134 { CLILOVUUID , ASN_OCTET_STR , RONLY , var_cliTable, 6, { 2,1,6,2,1,7 } },
135 { CLILOVCOMMONNAME , ASN_OCTET_STR , RONLY , var_cliTable, 6, { 2,1,6,2,1,8 } },
137 /* logicalObjectVolume 2.1.7 */
138 { LOVNUMBER , ASN_UNSIGNED , RONLY , var_clusterFileSystems, 4, { 2,1,7,1 } },
140 /* logicalObjectVolume.osdTable.lovTable 2.1.7.2.1 */
141 { LOVUUID , ASN_OCTET_STR , RONLY , var_lovTable, 6, { 2,1,7,2,1,2 } },
142 { LOVCOMMONNAME , ASN_OCTET_STR , RONLY , var_lovTable, 6, { 2,1,7,2,1,3 } },
143 { LOVNUMOBD , ASN_UNSIGNED , RONLY , var_lovTable, 6, { 2,1,7,2,1,4 } },
144 { LOVNUMACTIVEOBD , ASN_UNSIGNED , RONLY , var_lovTable, 6, { 2,1,7,2,1,5 } },
145 { LOVCAPACITY , ASN_COUNTER64 , RONLY , var_lovTable, 6, { 2,1,7,2,1,6 } },
146 { LOVFREECAPACITY , ASN_COUNTER64 , RONLY , var_lovTable, 6, { 2,1,7,2,1,7 } },
147 { LOVFILES , ASN_COUNTER64 , RONLY , var_lovTable, 6, { 2,1,7,2,1,8 } },
148 { LOVFREEFILES , ASN_COUNTER64 , RONLY , var_lovTable, 6, { 2,1,7,2,1,9 } },
149 { LOVSTRIPECOUNT , ASN_UNSIGNED , RONLY , var_lovTable, 6, { 2,1,7,2,1,10} },
150 { LOVSTRIPEOFFSET , ASN_UNSIGNED , RONLY , var_lovTable, 6, { 2,1,7,2,1,11} },
151 { LOVSTRIPESIZE , ASN_UNSIGNED , RONLY , var_lovTable, 6, { 2,1,7,2,1,12} },
152 { LOVSTRIPETYPE , ASN_UNSIGNED , RONLY , var_lovTable, 6, { 2,1,7,2,1,13} },
154 /* lustreLDLM 2.1.8 */
155 { LDLMNUMBER , ASN_UNSIGNED , RONLY , var_clusterFileSystems, 4, { 2,1,8,1 } },
157 /* lustreLDLM.ldlmTable.ldlmEntry 2.1.8.2.1 */
158 { LDLMNAMESPACE , ASN_OCTET_STR , RONLY , var_ldlmTable, 6, { 2,1,8,2,1,2 } },
159 { LDLMLOCKCOUNT , ASN_UNSIGNED , RONLY , var_ldlmTable, 6, { 2,1,8,2,1,3 } },
160 { LDLMUNUSEDLOCKCOUNT , ASN_UNSIGNED , RONLY , var_ldlmTable, 6, { 2,1,8,2,1,4 } },
161 { LDLMRESOURCECOUNT , ASN_UNSIGNED , RONLY , var_ldlmTable, 6, { 2,1,8,2,1,5 } },
163 /* lnetInformation 2.1.9 */
164 { LNETMSGSALLOC, ASN_UNSIGNED, RONLY, var_lnetInformation, 4, { 2,1,9,1 } },
165 { LNETMSGSMAX, ASN_UNSIGNED, RONLY, var_lnetInformation, 4, { 2,1,9,2 } },
166 { LNETERRORS, ASN_UNSIGNED, RONLY, var_lnetInformation, 4, { 2,1,9,3 } },
167 { LNETSENDCOUNT, ASN_UNSIGNED, RONLY, var_lnetInformation, 4, { 2,1,9,4 } },
168 { LNETRECVCOUNT, ASN_UNSIGNED, RONLY, var_lnetInformation, 4, { 2,1,9,5 } },
169 { LNETROUTECOUNT, ASN_UNSIGNED, RONLY, var_lnetInformation, 4, { 2,1,9,6 } },
170 { LNETDROPCOUNT, ASN_UNSIGNED, RONLY, var_lnetInformation, 4, { 2,1,9,7 } },
171 { LNETSENDBYTES, ASN_COUNTER64, RONLY, var_lnetInformation, 4, { 2,1,9,8 } },
172 { LNETRECVBYTES, ASN_COUNTER64, RONLY, var_lnetInformation, 4, { 2,1,9,9 } },
173 { LNETROUTEBYTES, ASN_COUNTER64, RONLY, var_lnetInformation, 4, { 2,1,9,10 } },
174 { LNETDROPBYTES, ASN_COUNTER64, RONLY, var_lnetInformation, 4, { 2,1,9,11 } },
177 /*****************************************************************************
178 * Function: init_cfsNetSNMPPlugin
180 * Description: Called when the agent starts up
186 ****************************************************************************/
188 void init_lustresnmp(void) {
190 /* register ourselves with the agent to handle our mib tree */
191 REGISTER_MIB("clusterFileSystems", clusterFileSystems_variables, variable7,
192 clusterFileSystems_variables_oid);
194 initilize_trap_handler();
196 DEBUGMSGTL(("lsnmpd", "%s %s \n", __FUNCTION__, "Initialization Done"));
199 /*****************************************************************************
200 * Function: deinit_cfsNetSNMPPlugin
202 * Description: Called when the agent terminates up
208 ****************************************************************************/
210 void deinit_lustresnmp(void) {
212 /* deregister ourselves with the agent */
213 unregister_mib(clusterFileSystems_variables_oid,
214 sizeof(clusterFileSystems_variables_oid)/sizeof(clusterFileSystems_variables_oid));
216 terminate_trap_handler();
218 DEBUGMSGTL(("lsnmpd", "%s %s \n", __FUNCTION__, "Termination Done"));
221 /*****************************************************************************
222 * Function: var_clusterFileSystems
224 ****************************************************************************/
226 var_clusterFileSystems(struct variable *vp,
231 WriteMethod **write_method)
235 /* variables we may use later */
236 static long long_ret;
237 static u_long ulong_ret;
238 static unsigned char string[SPRINT_MAX_LEN];
239 char file_path[MAX_PATH_SIZE];
243 if (header_generic(vp,name,length,exact,var_len,write_method)
249 * this is where we do the value assignments for the mib results.
254 sprintf(file_path, "%s%s", LUSTRE_PATH,"version");
255 if( SUCCESS != read_string(file_path, (char *)string,sizeof(string)))
257 *var_len = strlen((char *)string);
258 return (unsigned char *) string;
260 case SYSKERNELVERSION:
261 sprintf(file_path, "%s%s", LUSTRE_PATH,"kernel_version");
262 if( SUCCESS != read_string(file_path, (char *)string,sizeof(string)))
264 *var_len = strlen((char *)string);
265 return (unsigned char *) string;
268 sprintf(file_path, "%s%s", LUSTRE_PATH,FILENAME_SYSHEALTHCHECK);
269 if( SUCCESS != read_string(file_path, (char *)string,sizeof(string)))
271 *var_len = strlen((char*)string);
272 return (unsigned char *) string;
275 *write_method = write_sysStatus;
276 long_ret = (long) get_sysstatus();
277 if (long_ret != ERROR)
278 return (unsigned char *) &long_ret;
282 if( 0 == (dir_list = get_file_list(OSD_PATH, DIR_TYPE, &num)))
284 DEBUGMSGTL(("lsnmpd","num(%s)=%d\n",OSD_PATH,num));
287 return (unsigned char *) &ulong_ret;
290 if( 0 == (dir_list = get_file_list(OSC_PATH, DIR_TYPE, &num)))
292 DEBUGMSGTL(("lsnmpd","num(%s)=%d\n",OSC_PATH,num));
295 return (unsigned char *) &ulong_ret;
298 if( 0 == (dir_list = get_file_list(MDS_PATH, DIR_TYPE, &num)))
300 DEBUGMSGTL(("lsnmpd","num(%s)=%d\n",MDS_PATH,num));
303 return (unsigned char *) &ulong_ret;
306 if( 0 == (dir_list = get_file_list(MDC_PATH, DIR_TYPE, &num)))
308 DEBUGMSGTL(("lsnmpd","num(%s)=%d\n",MDC_PATH,num));
311 return (unsigned char *) &ulong_ret;
314 if( 0 == (dir_list = get_file_list(CLIENT_PATH, DIR_TYPE, &num)))
316 DEBUGMSGTL(("lsnmpd","num(%s)=%d\n",CLIENT_PATH,num));
319 return (unsigned char *) &ulong_ret;
322 if( 0 == (dir_list = get_file_list(LOV_PATH, DIR_TYPE, &num)))
324 DEBUGMSGTL(("lsnmpd","num(%s)=%d\n",LOV_PATH,num));
327 return (unsigned char *) &ulong_ret;
330 if( 0 == (dir_list = get_file_list(LDLM_PATH, DIR_TYPE, &num)))
332 DEBUGMSGTL(("lsnmpd","num(%s)=%d\n",LDLM_PATH,num));
335 return (unsigned char *) &ulong_ret;
343 struct oid_table osd_table[] =
345 { OSDUUID,FILENAME_UUID,oid_table_string_handler},
346 { OSDCOMMONNAME,0,oid_table_obj_name_handler},
347 { OSDCAPACITY,FILENAME_KBYTES_TOTAL, oid_table_c64_kb_handler},
348 { OSDFREECAPACITY,FILENAME_KBYTES_FREE, oid_table_c64_kb_handler},
349 { OSDOBJECTS,FILENAME_FILES_TOTAL, oid_table_c64_kb_handler},
350 { OSDFREEOBJECTS,FILENAME_FILES_FREE, oid_table_c64_kb_handler},
351 { 0,0,0 } /*End of table*/
355 /*****************************************************************************
356 * Function: var_osdTable
358 ****************************************************************************/
360 var_osdTable(struct variable *vp,
365 WriteMethod **write_method)
367 return var_genericTable(vp,name,length,exact,var_len,write_method,
371 struct oid_table osc_table[] =
373 { OSCUUID,FILENAME_UUID,oid_table_string_handler},
374 { OSCCOMMONNAME,0,oid_table_obj_name_handler},
375 { OSCOSTSERVERUUID,"ost_server_uuid",oid_table_string_handler},
376 { OSCCAPACITY,FILENAME_KBYTES_TOTAL, oid_table_c64_kb_handler},
377 { OSCFREECAPACITY,FILENAME_KBYTES_FREE, oid_table_c64_kb_handler},
378 { OSCOBJECTS,FILENAME_FILES_TOTAL, oid_table_c64_kb_handler},
379 { OSCFREEOBJECTS,FILENAME_FILES_FREE, oid_table_c64_kb_handler},
380 { 0,0,0 } /*End of table*/
383 /*****************************************************************************
384 * Function: var_oscTable
386 ****************************************************************************/
388 var_oscTable(struct variable *vp,
393 WriteMethod **write_method)
395 return var_genericTable(vp,name,length,exact,var_len,write_method,
399 struct oid_table mds_table[] =
401 { MDDUUID,FILENAME_UUID,oid_table_string_handler},
402 { MDDCOMMONNAME,0,oid_table_obj_name_handler},
403 { MDDCAPACITY,FILENAME_KBYTES_TOTAL, oid_table_c64_kb_handler},
404 { MDDFREECAPACITY,FILENAME_KBYTES_FREE, oid_table_c64_kb_handler},
405 { MDDFILES,FILENAME_FILES_TOTAL, oid_table_c64_kb_handler},
406 { MDDFREEFILES,FILENAME_FILES_FREE, oid_table_c64_kb_handler},
407 { 0,0,0 } /*End of table*/
410 /*****************************************************************************
411 * Function: var_mdsTable
413 ****************************************************************************/
415 var_mdsTable(struct variable *vp,
420 WriteMethod **write_method)
422 return var_genericTable(vp,name,length,exact,var_len,write_method,
426 struct oid_table mdc_table[] =
428 { MDCUUID,FILENAME_UUID,oid_table_string_handler},
429 { MDCCOMMONNAME,0,oid_table_obj_name_handler},
430 { MDCMDSSERVERUUID,"mds_server_uuid",oid_table_string_handler},
431 { MDCCAPACITY,FILENAME_KBYTES_TOTAL, oid_table_c64_kb_handler},
432 { MDCFREECAPACITY,FILENAME_KBYTES_FREE, oid_table_c64_kb_handler},
433 { MDCOBJECTS,FILENAME_FILES_TOTAL, oid_table_c64_kb_handler},
434 { MDCFREEOBJECTS,FILENAME_FILES_FREE, oid_table_c64_kb_handler},
435 { 0,0,0 } /*End of table*/
439 /*****************************************************************************
440 * Function: var_mdcTable
442 ****************************************************************************/
444 var_mdcTable(struct variable *vp,
449 WriteMethod **write_method)
451 return var_genericTable(vp,name,length,exact,var_len,write_method,
456 struct oid_table cli_table[] =
458 { CLIUUID,FILENAME_UUID,oid_table_string_handler},
459 { CLICOMMONNAME,0,oid_table_obj_name_handler},
460 { CLIMDCUUID,"mdc/" FILENAME_UUID,oid_table_string_handler},
461 { CLIMDCCOMMONNAME,"mdc/" FILENAME_COMMON_NAME,oid_table_string_handler},
462 { CLIUSESLOV,"lov/",oid_table_is_directory_handler},
463 { CLILOVUUID,"lov/" FILENAME_UUID,oid_table_string_handler},
464 { CLILOVCOMMONNAME,"lov/" FILENAME_COMMON_NAME,oid_table_string_handler},
465 { 0,0,0 } /*End of table*/
468 /*****************************************************************************
469 * Function: var_cliTable
471 ****************************************************************************/
473 var_cliTable(struct variable *vp,
478 WriteMethod **write_method)
480 return var_genericTable(vp,name,length,exact,var_len,write_method,
481 CLIENT_PATH,cli_table);
485 struct oid_table lov_table[] =
487 { LOVUUID,FILENAME_UUID,oid_table_string_handler},
488 { LOVCOMMONNAME,0,oid_table_obj_name_handler},
489 { LOVNUMOBD,"numobd", oid_table_ulong_handler},
490 { LOVNUMACTIVEOBD,"activeobd", oid_table_ulong_handler},
491 { LOVCAPACITY,FILENAME_KBYTES_TOTAL, oid_table_c64_kb_handler},
492 { LOVFREECAPACITY,FILENAME_KBYTES_FREE, oid_table_c64_kb_handler},
493 { LOVFILES,FILENAME_FILES_TOTAL, oid_table_c64_kb_handler},
494 { LOVFREEFILES,FILENAME_FILES_FREE, oid_table_c64_kb_handler},
495 { LOVSTRIPECOUNT,"stripecount", oid_table_ulong_handler},
496 { LOVSTRIPEOFFSET,"stripeoffset", oid_table_ulong_handler},
497 { LOVSTRIPESIZE,"stripesize", oid_table_ulong_handler},
498 { LOVSTRIPETYPE,"stripetype", oid_table_ulong_handler},
499 { 0,0,0 } /*End of table*/
503 /*****************************************************************************
504 * Function: var_lovTable
506 ****************************************************************************/
508 var_lovTable(struct variable *vp,
513 WriteMethod **write_method)
515 return var_genericTable(vp,name,length,exact,var_len,write_method,
519 struct oid_table ldlm_table[] =
521 { LDLMNAMESPACE,0,oid_table_obj_name_handler},
522 { LDLMLOCKCOUNT,"lock_count", oid_table_ulong_handler},
523 { LDLMUNUSEDLOCKCOUNT,"lock_unused_count", oid_table_ulong_handler},
524 { LDLMRESOURCECOUNT,"resource_count", oid_table_ulong_handler},
525 { 0,0,0 } /*End of table*/
529 /*****************************************************************************
530 * Function: var_ldlmTable
532 ****************************************************************************/
534 var_ldlmTable(struct variable *vp,
539 WriteMethod **write_method)
541 return var_genericTable(vp,name,length,exact,var_len,write_method,
542 LDLM_PATH,ldlm_table);
545 /*****************************************************************************
546 * Function: var_lnetInformation
548 ****************************************************************************/
550 var_lnetInformation(struct variable *vp,
555 WriteMethod **write_method)
557 /* variables we may use later */
558 static unsigned char string[SPRINT_MAX_LEN];
559 static unsigned int i[7];
560 static unsigned long long ull[4];
561 static unsigned long next_update;
562 static counter64 c64;
563 static unsigned int c32;
564 struct timeval current_tv;
565 unsigned long current;
566 char file_path[MAX_PATH_SIZE];
568 /* Update at most every LNET_STATS_INTERVAL milliseconds */
569 gettimeofday(¤t_tv, NULL);
570 current = current_tv.tv_sec * 1000000 + current_tv.tv_usec;
571 if (current >= next_update) {
572 sprintf(file_path, "%s%s", LNET_PATH, "stats");
573 if (read_string(file_path, (char *) string, sizeof(string))
577 sscanf((char *) string,
578 "%u %u %u %u %u %u %u %llu %llu %llu %llu",
579 &i[0], &i[1], &i[2], &i[3], &i[4], &i[5], &i[6],
580 &ull[0], &ull[1], &ull[2], &ull[3]);
582 next_update = current + (LNET_CHECK_INTERVAL * 1000);
585 if (header_generic(vp, name, length, exact, var_len, write_method)
591 *var_len = sizeof(c32);
593 return (unsigned char *) &c32;
595 *var_len = sizeof(c32);
597 return (unsigned char *) &c32;
599 *var_len = sizeof(c32);
601 return (unsigned char *) &c32;
603 *var_len = sizeof(c32);
605 return (unsigned char *) &c32;
607 *var_len = sizeof(c32);
609 return (unsigned char *) &c32;
611 *var_len = sizeof(c32);
613 return (unsigned char *) &c32;
615 *var_len = sizeof(c32);
617 return (unsigned char *) &c32;
619 convert_ull(&c64, ull[0], var_len);
620 return (unsigned char *) &c64;
622 convert_ull(&c64, ull[1], var_len);
623 return (unsigned char *) &c64;
625 convert_ull(&c64, ull[2], var_len);
626 return (unsigned char *) &c64;
628 convert_ull(&c64, ull[3], var_len);
629 return (unsigned char *) &c64;
635 /*****************************************************************************
636 * Function: var_mdsNbSampledReq
638 ****************************************************************************/
640 var_mdsNbSampledReq(struct variable *vp,
645 WriteMethod **write_method)
647 unsigned long long nb_sample=0,min=0,max=0,sum=0,sum_square=0;
648 static counter64 c64;
650 if (header_generic(vp,name,length,exact,var_len,write_method)
654 if( mds_stats_values(STR_REQ_WAITIME,&nb_sample,&min,&max,&sum,&sum_square) == ERROR) return NULL;
656 c64.low = (u_long) (0x0FFFFFFFF & nb_sample);
658 c64.high = (u_long) (0x0FFFFFFFF & nb_sample);
660 *var_len = sizeof(c64);
661 return (unsigned char *) &c64;
665 /*****************************************************************************
666 * Function: write_sysStatus
668 ****************************************************************************/
670 write_sysStatus(int action,
678 static long *long_ret;
685 if (var_val_type != ASN_INTEGER){
686 fprintf(stderr, "write to sysStatus not ASN_INTEGER\n");
687 return SNMP_ERR_WRONGTYPE;
689 if (var_val_len > sizeof(long_ret)){
690 fprintf(stderr,"write to sysStatus: bad length\n");
691 return SNMP_ERR_WRONGLENGTH;
693 if ((*var_val != ONLINE) &&
694 (*var_val != OFFLINE) &&
695 (*var_val != RESTART)){
696 report("%s %s:line %d %s", __FILE__, __FUNCTION__, __LINE__,
697 "sysStatus value is invalid.");
698 return SNMP_ERR_WRONGVALUE;
704 long_ret = (long *) var_val;
711 /* Release any resources that have been allocated */
716 /* The variable has been stored in long_ret for
717 you to use, and you have just been asked to do something with
718 it. Note that anything done here must be reversable in the UNDO case */
719 new_value = *(int *) var_val;
722 lustrefs_ctrl(ONLINE);
726 lustrefs_ctrl(OFFLINE);
730 lustrefs_ctrl(RESTART);
740 /* Back out any changes made in the ACTION case */
745 /* Things are working well, so it's now safe to make the change
746 permanently. Make sure that anything done here can't fail! */
749 return SNMP_ERR_NOERROR;