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
|
#include <errno.h>
#include <pthread.h>
#include <sched.h>
#include <signal.h>
#include <string.h>
#include <net-snmp/net-snmp-config.h>
#include <net-snmp/net-snmp-includes.h>
#include <net-snmp/agent/net-snmp-agent-includes.h>
#include "log.h"
#include "triton.h"
#include "statCore.h"
#include "statPPP.h"
#include "statPPTP.h"
#include "statL2TP.h"
#include "statPPPOE.h"
#include "statIPOE.h"
#include "statSSTP.h"
#include "terminate.h"
#include "shutdown.h"
#include "sessionTable.h"
#include "exec_cli.h"
static const char *conf_agent_name = "accel-ppp";
static int conf_master = 0;
/*static const char *conf_oid_prefix = "1.3.6.1.4.1.8072.100";
static oid* oid_prefix;
static size_t oid_prefix_size;*/
static pthread_t snmp_thr;
static int snmp_term = 0;
/*int accel_ppp_alloc_oid(oid tail, size_t size, oid **oid)
{
*oid = malloc(sizeof(oid) * (oid_prefix_size + size));
memcpy(*oid, oid_prefix, oid_prefix_size);
memcpy((*oid) + oid_prefix_size, tail, size);
return oid_prefix_size + size;
}*/
static int agent_log(int major, int minor, void *serv_arg, void *cl_arg)
{
struct snmp_log_message *m = serv_arg;
switch (m->priority) {
case LOG_EMERG:
log_emerg("net-snmp: %s", m->msg);
break;
case LOG_ALERT:
case LOG_CRIT:
case LOG_ERR:
log_error("net-snmp: %s", m->msg);
break;
case LOG_WARNING:
log_warn("net-snmp: %s", m->msg);
break;
case LOG_NOTICE:
log_info1("net-snmp: %s", m->msg);
break;
case LOG_INFO:
log_info2("net-snmp: %s", m->msg);
break;
case LOG_DEBUG:
log_debug("net-snmp: %s", m->msg);
break;
default:
log_msg("net-snmp: %s", m->msg);
}
return 0;
}
static void *snmp_thread(void *a)
{
sigset_t set;
sigfillset(&set);
sigdelset(&set, SIGKILL);
sigdelset(&set, SIGSTOP);
sigdelset(&set, 32);
pthread_sigmask(SIG_BLOCK, &set, NULL);
if (unshare(CLONE_FILES) < 0) {
log_error("net-snmp: impossible to start SNMP thread:"
" unshare(CLONE_FILES) failed (%s)\n",
strerror(errno));
return NULL;
}
snmp_register_callback(SNMP_CALLBACK_LIBRARY, SNMP_CALLBACK_LOGGING, agent_log, NULL);
snmp_disable_log();
snmp_enable_calllog();
//snmp_set_do_debugging(1);
//netsnmp_ds_set_boolean(NETSNMP_DS_APPLICATION_ID, NETSNMP_DS_AGENT_ROLE, 1);
if (!conf_master)
netsnmp_enable_subagent();
init_agent(conf_agent_name);
init_statCore();
init_statPPP();
init_statPPTP();
init_statL2TP();
init_statPPPOE();
init_statIPOE();
init_statSSTP();
init_terminate();
init_shutdown();
init_sessionTable();
init_cli();
init_snmp(conf_agent_name);
if (conf_master)
init_master_agent();
while (!snmp_term) {
agent_check_and_process(1);
}
snmp_shutdown(conf_agent_name);
SOCK_CLEANUP;
return NULL;
}
static void snmp_ctx_close(struct triton_context_t *ctx)
{
snmp_term = 1;
pthread_cancel(snmp_thr);
pthread_join(snmp_thr, NULL);
triton_context_unregister(ctx);
}
static struct triton_context_t ctx = {
.close = snmp_ctx_close,
};
static void init(void)
{
const char *opt;
opt = conf_get_opt("snmp", "master");
if (opt)
conf_master = atoi(opt);
opt = conf_get_opt("snmp", "agent-name");
if (opt)
conf_agent_name = opt;
/*opt = conf_get_opt("snmp", "oid-prefix")
if (opt)
conf_oid_prefix = opt;*/
pthread_create(&snmp_thr, NULL, snmp_thread, NULL);
triton_context_register(&ctx, NULL);
triton_context_wakeup(&ctx);
triton_collect_cpu_usage();
}
DEFINE_INIT(100, init);
|
