1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
|
/* impstats.c
* A module to periodically output statistics gathered by rsyslog.
*
* NOTE: read comments in module-template.h to understand how this file
* works!
*
* File begun on 2007-07-20 by RGerhards (extracted from syslogd.c)
* This file is under development and has not yet arrived at being fully
* self-contained and a real object. So far, it is mostly an excerpt
* of the "old" message code without any modifications. However, it
* helps to have things at the right place one we go to the meat of it.
*
* Copyright 2010 Rainer Gerhards and Adiscon GmbH.
*
* This file is part of rsyslog.
*
* Rsyslog 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 3 of the License, or
* (at your option) any later version.
*
* Rsyslog 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.
*
* You should have received a copy of the GNU General Public License
* along with Rsyslog. If not, see <http://www.gnu.org/licenses/>.
*
* A copy of the GPL can be found in the file "COPYING" in this distribution.
*/
#include "config.h"
#include "rsyslog.h"
#include <stdlib.h>
#include <stdio.h>
#include <assert.h>
#include <signal.h>
#include <string.h>
#include <pthread.h>
#include "dirty.h"
#include "cfsysline.h"
#include "module-template.h"
#include "errmsg.h"
#include "msg.h"
#include "srUtils.h"
#include "unicode-helper.h"
#include "glbl.h"
#include "statsobj.h"
#include "prop.h"
MODULE_TYPE_INPUT
MODULE_TYPE_NOKEEP
/* defines */
#define DEFAULT_STATS_PERIOD (5 * 60)
#define DEFAULT_FACILITY 5 /* syslog */
#define DEFAULT_SEVERITY 6 /* info */
/* Module static data */
DEF_IMOD_STATIC_DATA
DEFobjCurrIf(glbl)
DEFobjCurrIf(prop)
DEFobjCurrIf(statsobj)
DEFobjCurrIf(errmsg)
typedef struct configSettings_s {
int iStatsInterval;
int iFacility;
int iSeverity;
} configSettings_t;
static configSettings_t cs;
static prop_t *pInputName = NULL;
static prop_t *pLocalHostIP = NULL;
BEGINisCompatibleWithFeature
CODESTARTisCompatibleWithFeature
if(eFeat == sFEATURENonCancelInputTermination)
iRet = RS_RET_OK;
ENDisCompatibleWithFeature
static inline void
initConfigSettings(void)
{
cs.iStatsInterval = DEFAULT_STATS_PERIOD;
cs.iFacility = DEFAULT_FACILITY;
cs.iSeverity = DEFAULT_SEVERITY;
}
/* actually submit a message to the rsyslog core
*/
static inline rsRetVal
doSubmitMsg(uchar *line)
{
msg_t *pMsg;
DEFiRet;
CHKiRet(msgConstruct(&pMsg));
MsgSetInputName(pMsg, pInputName);
MsgSetRawMsgWOSize(pMsg, (char*)line);
MsgSetHOSTNAME(pMsg, glbl.GetLocalHostName(), ustrlen(glbl.GetLocalHostName()));
MsgSetRcvFrom(pMsg, glbl.GetLocalHostNameProp());
MsgSetRcvFromIP(pMsg, pLocalHostIP);
MsgSetMSGoffs(pMsg, 0);
MsgSetTAG(pMsg, UCHAR_CONSTANT("rsyslogd-pstats:"), sizeof("rsyslogd-pstats:") - 1);
pMsg->iFacility = cs.iFacility;
pMsg->iSeverity = cs.iSeverity;
pMsg->msgFlags = 0;
submitMsg(pMsg);
finalize_it:
RETiRet;
}
/* callback for statsobj
* Note: usrptr exists only to satisfy requirements of statsobj callback interface!
*/
static rsRetVal
doStatsLine(void __attribute__((unused)) *usrptr, cstr_t *cstr)
{
DEFiRet;
doSubmitMsg(rsCStrGetSzStrNoNULL(cstr));
RETiRet;
}
/* the function to generate the actual statistics messages
* rgerhards, 2010-09-09
*/
static inline void
generateStatsMsgs(void)
{
statsobj.GetAllStatsLines(doStatsLine, NULL);
}
BEGINrunInput
CODESTARTrunInput
/* this is an endless loop - it is terminated when the thread is
* signalled to do so. This, however, is handled by the framework,
* right into the sleep below.
*/
while(1) {
srSleep(cs.iStatsInterval, 0); /* seconds, micro seconds */
if(glbl.GetGlobalInputTermState() == 1)
break; /* terminate input! */
generateStatsMsgs();
}
ENDrunInput
BEGINwillRun
rsRetVal localRet;
CODESTARTwillRun
DBGPRINTF("impstats: stats interval %d seconds\n", cs.iStatsInterval);
if(cs.iStatsInterval == 0)
ABORT_FINALIZE(RS_RET_NO_RUN);
localRet = statsobj.EnableStats();
if(localRet != RS_RET_OK) {
errmsg.LogError(0, localRet, "impstat: error enabling statistics gathering");
ABORT_FINALIZE(RS_RET_NO_RUN);
}
finalize_it:
ENDwillRun
BEGINafterRun
CODESTARTafterRun
ENDafterRun
BEGINmodExit
CODESTARTmodExit
prop.Destruct(&pInputName);
prop.Destruct(&pLocalHostIP);
/* release objects we used */
objRelease(glbl, CORE_COMPONENT);
objRelease(prop, CORE_COMPONENT);
objRelease(errmsg, CORE_COMPONENT);
objRelease(statsobj, CORE_COMPONENT);
ENDmodExit
BEGINqueryEtryPt
CODESTARTqueryEtryPt
CODEqueryEtryPt_STD_IMOD_QUERIES
CODEqueryEtryPt_IsCompatibleWithFeature_IF_OMOD_QUERIES
ENDqueryEtryPt
static rsRetVal resetConfigVariables(uchar __attribute__((unused)) *pp, void __attribute__((unused)) *pVal)
{
initConfigSettings();
return RS_RET_OK;
}
BEGINmodInit()
CODESTARTmodInit
*ipIFVersProvided = CURR_MOD_IF_VERSION; /* we only support the current interface specification */
CODEmodInit_QueryRegCFSLineHdlr
DBGPRINTF("impstats version %s loading\n", VERSION);
initConfigSettings();
CHKiRet(objUse(glbl, CORE_COMPONENT));
CHKiRet(objUse(prop, CORE_COMPONENT));
CHKiRet(objUse(errmsg, CORE_COMPONENT));
CHKiRet(objUse(statsobj, CORE_COMPONENT));
CHKiRet(omsdRegCFSLineHdlr((uchar *)"pstatsinterval", 0, eCmdHdlrInt, NULL, &cs.iStatsInterval, STD_LOADABLE_MODULE_ID, eConfObjGlobal));
CHKiRet(omsdRegCFSLineHdlr((uchar *)"pstatfacility", 0, eCmdHdlrInt, NULL, &cs.iFacility, STD_LOADABLE_MODULE_ID, eConfObjGlobal));
CHKiRet(omsdRegCFSLineHdlr((uchar *)"pstatseverity", 0, eCmdHdlrInt, NULL, &cs.iSeverity, STD_LOADABLE_MODULE_ID, eConfObjGlobal));
CHKiRet(omsdRegCFSLineHdlr((uchar *)"resetconfigvariables", 1, eCmdHdlrCustomHandler, resetConfigVariables, NULL, STD_LOADABLE_MODULE_ID, eConfObjGlobal));
CHKiRet(prop.Construct(&pInputName));
CHKiRet(prop.SetString(pInputName, UCHAR_CONSTANT("impstats"), sizeof("impstats") - 1));
CHKiRet(prop.ConstructFinalize(pInputName));
CHKiRet(prop.Construct(&pLocalHostIP));
CHKiRet(prop.SetString(pLocalHostIP, UCHAR_CONSTANT("127.0.0.1"), sizeof("127.0.0.1") - 1));
CHKiRet(prop.ConstructFinalize(pLocalHostIP));
ENDmodInit
/* vi:set ai:
*/
|
