int init_snmp_agent(void)
{
int result;
if (user_settings.is_master_agent) {
netsnmp_ds_set_boolean(NETSNMP_DS_APPLICATION_ID, NETSNMP_DS_AGENT_ROLE, 1);
} else {
netsnmp_enable_subagent();
}
if (user_settings.agentx_address != NULL) {
netsnmp_ds_set_string(NETSNMP_DS_APPLICATION_ID, NETSNMP_DS_AGENT_X_SOCKET, user_settings.agentx_address);
}
if (user_settings.daemonize)
snmp_enable_syslog();
else
snmp_enable_stderrlog();
SOCK_STARTUP;
if ((result = init_agent("collectd-agent")) != 0) {
return -1;
}
if ((result = register_value_handlers()) != 0) {
return -1;
}
if ((result = register_table_handlers()) != 0) {
return -1;
}
if (user_settings.is_master_agent) {
init_vacm_vars();
init_usmUser();
}
init_snmp("collectd-snmpd");
if (user_settings.is_master_agent) {
init_master_agent();
}
return 0;
}
int main(int argc, char *argv[])
{
int agentx_subagent; /* change this if you want to be a SNMP master agent */
int background; /* change this if you want to run in the background */
int syslog; /* change this if you want to use syslog */
int dRet, dOldThreadCount;
time_t tOldThreadCheck, tThreadCheck;
agentx_subagent = 1;
background = 0;
syslog = 1;
// Initialize Log
dRet = log_init(S_SSHM_LOG_LEVEL, getpid(), SEQ_PROC_SNMPIF, LOG_PATH"/SNMPIF", "SNMPIF");
if(dRet < 0)
{
log_print(LOGN_WARN, LH"MAIN : Failed in Initialize LOGLIB Info [%d]", LT, dRet);
return -1;
}
#if 0
if( (dRet = Init_shm_common()) < 0)
{
log_print(LOGN_CRI, LH"ERROR IN Init_shm_common() [errno:%d-%s]", LT, -dRet, strerror(-dRet));
return -2;
}
#endif
// Set version
if((dRet = set_version(S_SSHM_VERSION, SEQ_PROC_SNMPIF, szVersion)) < 0)
{
log_print(LOGN_WARN, LH"ERROR IN set_version() dRet[%d]", LT, dRet);
return -3;
}
if( (dRet = dGetBlocks(FILE_MC_INIT_M_PRI, SWLST_TAM_APP)) < 0)
{
log_print(LOGN_CRI, LH"ERROR IN dGetBlocks(%s) dRet[%d]", LT, FILE_MC_INIT_M_PRI, dRet);
return -4;
}
if( (dRet = dGetBlocks(FILE_MC_INIT_F_PRI, SWLST_TAF_RP)) < 0)
{
log_print(LOGN_CRI, LH"ERROR IN dGetBlocks(%s) dRet[%d]", LT, FILE_MC_INIT_F_PRI, dRet);
return -5;
}
if( (dRet = dGetBlocks(FILE_MC_INIT_F_SEC, SWLST_TAF_PI)) < 0)
{
log_print(LOGN_CRI, LH"ERROR IN dGetBlocks(%s) dRet[%d]", LT, FILE_MC_INIT_F_SEC, dRet);
return -6;
}
if( (dRet = dReadSubSysListFromFile(&stSubSysList)) < 0)
{
log_print(LOGN_CRI, LH"ERROR IN dReadSubSysListFromFile() dRet[%d]", LT, dRet);
return -7;
}
putenv("MIBS=ALL");
/* print log errors to syslog or stderr */
if(syslog)
snmp_enable_calllog();
else
snmp_enable_stderrlog();
/* we're an agentx subagent? */
if(agentx_subagent)
{
/* make us a agentx client. */
netsnmp_ds_set_boolean(NETSNMP_DS_APPLICATION_ID, NETSNMP_DS_AGENT_ROLE, 1);
}
/* run in background, if requested */
if(background && netsnmp_daemonize(1, !syslog))
exit(-1);
/* initialize tcpip, if necessary */
SOCK_STARTUP;
/* initialize the agent library */
init_agent(TARGET);
/* initialize mib code here */
/* mib code: init_hardware from hardware.C */
init_chnTable();
init_dskTable();
init_edTable();
init_ethTable();
init_fanTable();
init_memTable();
init_ntpTable();
init_prTable();
init_pwrTable();
init_queTable();
init_cpuTable();
init_nifoTable();
/* initialize vacm/usm access control */
if(!agentx_subagent)
{
init_vacm_vars();
init_usmUser();
}
/* Initialize fidb */
if((dRet = dInitFidb()) < 0)
{
log_print(LOGN_CRI, LH"ERROR IN dInitFidb() dRet=%d", LT, dRet);
exit(-4);
}
/* Initialize sfdb */
if( (dRet = init_sfdb()) < 0)
{
log_print(LOGN_CRI, LH"ERROR IN init_sfdb() dRet[%d]", LT, dRet);
exit(-5);
}
if( (dRet = pthread_create(&t_agntx, NULL, p_agntx, NULL)) != 0)
{
log_print(LOGN_CRI, LH"FAILED IN pthread_create(t_agntx[%lu]) dRet[%d] errno[%d-%s]", LT,
t_agntx, dRet, errno, strerror(errno));
exit(-6);
}
else if( (dRet = pthread_detach(t_agntx)) != 0)
{
log_print(LOGN_CRI, LH"FAILED IN pthread_detach(t_agntx[%lu]) dRet[%d] errno[%d-%s]", LT,
t_agntx, dRet, errno, strerror(errno));
exit(-7);
}
tOldThreadCheck = time(NULL);
dOldThreadCount = dThreadStop;
/* In case we recevie a request to stop (kill -TERM or kill -INT) */
gJiSTOPFlag = 1;
SetUpSignal();
send_start_trap();
log_print(LOGN_CRI, "SNMPIF[%s] START", szVersion);
while(gJiSTOPFlag)
{
if( ((tThreadCheck = time(NULL)) - tOldThreadCheck) > THREAD_CHECK_INTERVAL)
{
tOldThreadCheck = tThreadCheck;
if(dThreadStop == dOldThreadCount)
{
log_print(LOGN_CRI, LH"STOPED thread(p_agntx) dThreadStop[%d] dOldThreadCount[%d]", LT,
dThreadStop, dOldThreadCount);
if( (dRet = pthread_create(&t_agntx, NULL, p_agntx, NULL)) != 0)
{
log_print(LOGN_CRI, LH"FAILED IN pthread_create(t_agntx[%lu]) dRet[%d] errno[%d-%s]", LT,
t_agntx, dRet, errno, strerror(errno));
exit(-7);
}
else
{
log_print(LOGN_CRI, LH"SUCCESS IN pthread_create(t_agntx[%lu])", LT, t_agntx);
dThreadStop = 0;
}
}
log_print(LOGN_DEBUG, LH"dThreadStop[%d] dOldThreadCount[%d]", LT, dThreadStop, dOldThreadCount);
dOldThreadCount = dThreadStop;
}
/* if you use select(), see snmp_select_info() in snmp_api(3) */
/* --- OR --- */
alarm(1);
agent_check_and_process(1); /* 0 == don't block */
alarm(0);
}
/* at shutdown time */
send_stop_trap();
snmp_shutdown("SNMPIF");
SOCK_CLEANUP;
log_print(LOGN_CRI, "SNMPIF[%s] END", szVersion);
return 0;
}
int
main (int argc, char **argv) {
int agentx_subagent=1; /* change this if you want to be a SNMP master agent */
int background = 0; /* change this if you want to run in the background */
int syslog = 0; /* change this if you want to use syslog */
/* print log errors to syslog or stderr */
if (syslog)
snmp_enable_calllog();
else
snmp_enable_stderrlog();
/* we're an agentx subagent? */
if (agentx_subagent) {
/* make us a agentx client. */
netsnmp_ds_set_boolean(NETSNMP_DS_APPLICATION_ID, NETSNMP_DS_AGENT_ROLE, 1);
}
/* run in background, if requested */
if (background && netsnmp_daemonize(1, !syslog))
exit(1);
/* initialize tcpip, if necessary */
SOCK_STARTUP;
/* initialize the agent library */
init_agent("example-demon");
/* initialize mib code here */
/* mib code: init_example from example.c */
init_example();
/* initialize vacm/usm access control */
if (!agentx_subagent) {
init_vacm_vars();
init_usmUser();
}
/* example-demon will be used to read example-demon.conf files. */
init_snmp("example-demon");
/* If we're going to be a snmp master agent, initial the ports */
if (!agentx_subagent)
init_master_agent(); /* open the port to listen on (defaults to udp:161) */
/* In case we recevie a request to stop (kill -TERM or kill -INT) */
keep_running = 1;
signal(SIGTERM, stop_server);
signal(SIGINT, stop_server);
snmp_log(LOG_INFO,"example-demon is up and running.\n");
/* your main loop here... */
while(keep_running) {
/* if you use select(), see snmp_select_info() in snmp_api(3) */
/* --- OR --- */
agent_check_and_process(1); /* 0 == don't block */
}
/* at shutdown time */
snmp_shutdown("example-demon");
SOCK_CLEANUP;
return 0;
}
