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#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 "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_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);
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