path: root/src/ntc_ip_comm.cpp

#include "ntc_ip_comm.h"
#include "soq_sendlog.h"


#include <assert.h>
#include <stdio.h>
#include <unistd.h>
#include <sys/types.h>
#include <sys/socket.h>
#include <arpa/inet.h>
#include <netinet/in.h>
#include <netinet/ip.h>
#include <netinet/ip6.h>
#include <netinet/udp.h>

#include <net/if.h>
#include <sys/types.h>
#include <sys/ioctl.h>
#include <dlfcn.h>


#include "MESA_prof_load.h"
#include "MESA_handle_logger.h"
#include "field_stat2.h"
#include "stream_internal.h"
#include <rdkafka.h>
#include <cJSON.h>

#define PLUGIN_NAME "NTC_IP_COMM"
#define PROFILE_PATH "./t1conf/main.conf"
#define NTC_IP_COMM_TOPIC "ntc_ip_comm_log"

#ifdef __cplusplus
extern "C"
{
#endif

#define GIT_VERSION_CATTER(v) __attribute__((__used__)) const char * GIT_VERSION_##v = NULL
#define GIT_VERSION_EXPEND(v) GIT_VERSION_CATTER(v)

/* VERSION TAG */
#ifdef GIT_VERSION
GIT_VERSION_EXPEND(GIT_VERSION);
#else
static __attribute__((__used__)) const char * GIT_VERSION_UNKNOWN = NULL;
#endif
#undef GIT_VERSION_CATTER
#undef GIT_VERSION_EXPEND

#ifdef __cplusplus
}
#endif

extern long long g_CurrentTime;

ntc_ip_comm_global_item g_ntc_ip_comm_item;

int NTC_IP_COMM_VERSION_20180625 = 1;

rd_kafka_t *g_ntc_ip_comm_kafka_handle = NULL;
rd_kafka_topic_t *g_ntc_ip_comm_kafka_topic = NULL;

static unsigned int get_ip_by_eth_name(const char *ifname)
{
	int sockfd;
	struct ifreq ifr;
	unsigned int ip;

	sockfd = socket(AF_INET, SOCK_DGRAM, 0);
	if (-1 == sockfd) {
		goto error;
	}

	strcpy(ifr.ifr_name,ifname);
	if (ioctl(sockfd, SIOCGIFADDR, &ifr) < 0) {
		goto error;
	}

	ip = ((struct sockaddr_in*)&(ifr.ifr_addr))->sin_addr.s_addr;
	close(sockfd);
	return ip;

error:
	close(sockfd);
	return INADDR_NONE;
}

static int soq_addStreamInfo_to_jsonObj(cJSON *json_obj, const struct streaminfo *a_stream)
{
	int ret = 0;
	const char *addr_proto = NULL;
	const char* null_addr="0";
	short null_port=0;
	unsigned short tunnel_type=0;
	char nest_addr_buf[1024] = {0};
	int tunnel_type_size=sizeof(tunnel_type);
	const struct layer_addr *addr=NULL;
	char src_ip_str[128] = {0}, dst_ip_str[128] = {0};

	cJSON_AddNumberToObject(json_obj, "stream_dir", a_stream->dir);

	addr=&(a_stream->addr);
	switch(addr->addrtype)
	{
		case ADDR_TYPE_IPV4:
		case __ADDR_TYPE_IP_PAIR_V4:
			inet_ntop(AF_INET, &addr->ipv4->saddr, src_ip_str, sizeof(src_ip_str));
			inet_ntop(AF_INET, &addr->ipv4->daddr, dst_ip_str, sizeof(dst_ip_str));
			cJSON_AddStringToObject(json_obj, "s_ip", src_ip_str);					
			cJSON_AddStringToObject(json_obj, "d_ip", dst_ip_str);
			cJSON_AddNumberToObject(json_obj, "s_port", ntohs(addr->ipv4->source));
			cJSON_AddNumberToObject(json_obj, "d_port", ntohs(addr->ipv4->dest));
			break;
		case ADDR_TYPE_IPV6:
		case __ADDR_TYPE_IP_PAIR_V6:
			cJSON_AddNumberToObject(json_obj, "addr_type", addr->addrtype);
			inet_ntop(AF_INET6, addr->ipv6->saddr, src_ip_str, sizeof(src_ip_str));
			inet_ntop(AF_INET6, addr->ipv6->daddr, dst_ip_str, sizeof(dst_ip_str));
			cJSON_AddStringToObject(json_obj, "s_ip", src_ip_str);					
			cJSON_AddStringToObject(json_obj, "d_ip", dst_ip_str);
			cJSON_AddNumberToObject(json_obj, "s_port", ntohs(addr->ipv6->source));
			cJSON_AddNumberToObject(json_obj, "d_port", ntohs(addr->ipv6->dest));
			break;
		case ADDR_TYPE_VLAN:
		case ADDR_TYPE_GRE:
		case ADDR_TYPE_MPLS:
		case ADDR_TYPE_PPPOE_SES:
		case ADDR_TYPE_L2TP:
		case ADDR_TYPE_PPP:
			cJSON_AddNumberToObject(json_obj, "addr_type", addr->addrtype);
			cJSON_AddStringToObject(json_obj, "s_ip", null_addr);					
			cJSON_AddStringToObject(json_obj, "d_ip", null_addr);
			cJSON_AddNumberToObject(json_obj, "s_port", null_port);
			cJSON_AddNumberToObject(json_obj, "d_port", null_port);
			break;
		case ADDR_TYPE_PPTP:
			cJSON_AddNumberToObject(json_obj, "addr_type", addr->addrtype);
			cJSON_AddStringToObject(json_obj, "s_ip", null_addr);					
			cJSON_AddStringToObject(json_obj, "d_ip", null_addr);
			cJSON_AddNumberToObject(json_obj, "s_port", ntohs(addr->pptp->C2S_call_id));
			cJSON_AddNumberToObject(json_obj, "d_port", ntohs(addr->pptp->S2C_call_id));
			break;	
		default:
			break;
	}

	addr_proto = layer_addr_prefix_ntop(a_stream);
	cJSON_AddStringToObject(json_obj, "trans_proto", addr_proto);

	ret=MESA_get_stream_opt(a_stream, MSO_STREAM_TUNNEL_TYPE, &tunnel_type, &tunnel_type_size);
	assert(ret==0);
	if(tunnel_type==STREAM_TUNNLE_NON)
	{	
		layer_addr_ntop_r(a_stream,nest_addr_buf, sizeof(nest_addr_buf));
	}
	else
	{		
		stream_addr_list_ntop(a_stream,nest_addr_buf, sizeof(nest_addr_buf));
	}
    if(strlen(nest_addr_buf) > 0)
    {
        cJSON_AddStringToObject(json_obj, "addr_list", nest_addr_buf);
    }

	return 0;
}


void ntc_ip_comm_send_kafka_log(rd_kafka_topic_t *topic, struct streaminfo *a_stream, comm_context_t *ctx, char
        *dpkt_buf, int dpkt_buflen, char *user_buf, int user_buflen)
{
	cJSON *log_obj = cJSON_CreateObject();

	cJSON_AddNumberToObject(log_obj, "service", g_ntc_ip_comm_item.service);
	cJSON_AddStringToObject(log_obj, "cap_ip", g_ntc_ip_comm_item.local_ip_str);
	cJSON_AddNumberToObject(log_obj, "entrance_id", g_ntc_ip_comm_item.entry_id);

	cJSON_AddNumberToObject(log_obj, "found_time", g_CurrentTime);
	cJSON_AddNumberToObject(log_obj, "recv_time", g_CurrentTime);    
	soq_addStreamInfo_to_jsonObj(log_obj, a_stream);

    char tmp[128];
    sprintf(tmp, "%llu", ctx->c2s_pkts);
	cJSON_AddStringToObject(log_obj, "c2s_pkt_num", tmp);	
    sprintf(tmp, "%llu", ctx->s2c_pkts);
	cJSON_AddStringToObject(log_obj, "s2c_pkt_num", tmp);

	sprintf(tmp, "%llu", ctx->c2s_bytes);
	cJSON_AddStringToObject(log_obj, "c2s_byte_num", tmp);
	
	sprintf(tmp, "%llu", ctx->s2c_bytes);
	cJSON_AddStringToObject(log_obj, "s2c_byte_num", tmp);
	if(dpkt_buf != NULL && dpkt_buflen > 0)
	{
		cJSON_AddStringToObject(log_obj, "app_label", dpkt_buf);
	}

	cJSON_AddNumberToObject(log_obj, "create_time", a_stream->ptcpdetail->createtime);
	cJSON_AddNumberToObject(log_obj, "lastmtime", a_stream->ptcpdetail->lastmtime);

	if(user_buflen > 0)
    {
	    cJSON_AddStringToObject(log_obj, "user_region", user_buf);
    }

	//char *payload = cJSON_Print(log_obj);
	char *payload = cJSON_PrintUnformatted(log_obj);
	int paylen = strlen(payload);
    if(g_ntc_ip_comm_item.comm_log_mode > 0)
    {
	    rd_kafka_produce(g_ntc_ip_comm_kafka_topic, RD_KAFKA_PARTITION_UA, RD_KAFKA_MSG_F_COPY, payload, paylen, NULL, 0, NULL);
    }
    MESA_handle_runtime_log(g_ntc_ip_comm_item.log_handle, RLOG_LV_DEBUG,   __FUNCTION__ , "%s", payload);
	free(payload);
	cJSON_Delete(log_obj);
	log_obj = NULL;
	return ;
}

void ntc_ip_comm_send_ntc_log(struct streaminfo *a_stream, comm_context_t *ctx, char *dpkt_buf, int dpkt_buflen, char *user_buf, int user_buflen)
{
	soq_log_t log_msg;
	Maat_rule_t maat_rule;
	struct opt_unit_t opts[5];
	int opt_num = 4;

    char c2s_pkt[128] = "";
    char s2c_pkt[128] = "";
    char c2s_byte[128] = "";
    char s2c_byte[128] = "";
    
	memset(&maat_rule, 0, sizeof(maat_rule));
	maat_rule.action = SOQ_ACTION_MONITOR;
	maat_rule.config_id = 0;
	maat_rule.service_id = g_ntc_ip_comm_item.service;
	maat_rule.do_log = 1;

	if(user_buflen > 0)
    {
        snprintf(maat_rule.service_defined,sizeof(maat_rule.service_defined),"%s", user_buf);
    }

    log_msg.stream = a_stream;
	log_msg.result = &maat_rule;
	log_msg.result_num =1;

    sprintf(c2s_byte, "%llu", ctx->c2s_bytes);
	opts[0].opt_len = strlen(c2s_byte);
	opts[0].opt_type =LOG_OPT_C2S_BYTE_NUM ;
	opts[0].opt_value = c2s_byte;    

    sprintf(s2c_byte, "%llu", ctx->s2c_bytes);
	opts[1].opt_len = strlen(s2c_byte);
	opts[1].opt_type =LOG_OPT_S2C_BYTE_NUM ;
	opts[1].opt_value = s2c_byte;    

    sprintf(c2s_pkt, "%llu", ctx->c2s_pkts);
	opts[2].opt_len = strlen(c2s_pkt);
	opts[2].opt_type =LOG_OPT_C2S_PKT_NUM ;
	opts[2].opt_value = c2s_pkt;    

    sprintf(s2c_pkt, "%llu", ctx->s2c_pkts);
	opts[3].opt_len = strlen(s2c_pkt);
	opts[3].opt_type =LOG_OPT_S2C_PKT_NUM ;
	opts[3].opt_value = s2c_pkt;    

	if(dpkt_buf != NULL && dpkt_buflen > 0)
	{
		opts[4].opt_len = dpkt_buflen;
		opts[4].opt_type =LOG_OPT_APP_LABEL ;
		opts[4].opt_value =dpkt_buf;        
		opt_num+=1;
	}
	soq_send_log(&log_msg, opts, opt_num, a_stream->threadnum);
	return;
}

int ntc_ip_comm_assemble_user_buf(struct streaminfo *a_stream, char *user_buf, int *user_buflen)
{
    if(a_stream == NULL)
    {
        *user_buflen = 0;
        return -1;
    }

    int killed_flag = 0;
    if(g_ntc_ip_comm_item.after_kill_switch == 1)
    {
        struct streaminfo_private *pstream_pr = (struct streaminfo_private *)a_stream;
        if(pstream_pr->stream_killed_flag == 1)
        {
            killed_flag = 1;
        }
    }
    snprintf(user_buf, *user_buflen, "thread=%d;index=%d;hash=%d;killed=%d", a_stream->threadnum,
             a_stream->stream_index, a_stream->hash_index, killed_flag);
    return 0;
}

int ntc_ip_comm_get_dpkt_label(struct streaminfo *a_stream, const char* label_name, char *label_buf, int *label_buflen)
{
	dpkt_lable_t *dpkt_info = (dpkt_lable_t*)project_req_get_struct(a_stream,g_ntc_ip_comm_item.dpkt_project_id);
	if(dpkt_info == NULL)
	{
		*label_buflen = 0;
		return -1;
	}
	snprintf(label_buf, *label_buflen, "PROTO_ID=%u;APP_ID=%u;OS_ID=%u;BS_ID=%u;WEB_ID=%u;BEHAV_ID=%u;",
			dpkt_info->dpkt_proto_type,	        
			dpkt_info->dpkt_app_type,	        
			dpkt_info->dpkt_op_type,	        
			dpkt_info->dpkt_browser_type,	        
			dpkt_info->dpkt_web_type,	        
			dpkt_info->dpkt_behavior_type);
	*label_buflen = strlen(label_buf);
	return 0;
}

void ntc_ip_comm_update_counter(comm_context_t *ctx, struct streaminfo *a_stream)
{
    if(a_stream->curdir == DIR_C2S)
    {
        ctx->c2s_bytes+=a_stream->ptcpdetail->datalen;
	if(a_stream->ptcpdetail->datalen > 0)ctx->c2s_pkts+=1;
    }
    if(a_stream->curdir == DIR_S2C)
    {
        ctx->s2c_bytes+=a_stream->ptcpdetail->datalen;
	if(a_stream->ptcpdetail->datalen > 0)ctx->s2c_pkts+=1;
    }    
    return;
}

void ntc_ip_comm_judge_counter(comm_context_t *ctx, struct streaminfo *a_stream)
{
	struct tcp_flow_stat *tflow_project;
    struct udp_flow_stat *uflow_project;
    comm_context_t sapp_ctx;
    memset(&sapp_ctx, 0, sizeof(sapp_ctx));
	if(-1 != g_ntc_ip_comm_item.tcp_flow_id && a_stream->type == STREAM_TYPE_TCP)
	{
        tflow_project = (struct tcp_flow_stat *)project_req_get_struct(a_stream, g_ntc_ip_comm_item.tcp_flow_id);
        if(tflow_project != NULL)
        {
                    sapp_ctx.c2s_bytes = tflow_project->C2S_data_byte;
                    sapp_ctx.s2c_bytes = tflow_project->S2C_data_byte;
                    sapp_ctx.c2s_pkts = tflow_project->C2S_data_pkt;
                    sapp_ctx.s2c_pkts = tflow_project->S2C_data_pkt;                    
        }
	}
	
	if(-1 != g_ntc_ip_comm_item.udp_flow_id && a_stream->type == STREAM_TYPE_UDP)
	{
        uflow_project = (struct udp_flow_stat *)project_req_get_struct(a_stream, g_ntc_ip_comm_item.udp_flow_id);
        if(uflow_project != NULL)
        {
                    sapp_ctx.c2s_bytes = uflow_project->C2S_byte;
                    sapp_ctx.s2c_bytes = uflow_project->S2C_byte;
                    sapp_ctx.c2s_pkts = uflow_project->C2S_pkt;
                    sapp_ctx.s2c_pkts = uflow_project->S2C_pkt;                    
        }        
	}

	if(memcmp(&sapp_ctx, ctx, sizeof(comm_context_t)) != 0)
	{
	    MESA_handle_runtime_log(g_ntc_ip_comm_item.log_handle, RLOG_LV_INFO,   __FUNCTION__ , "sapp_ctx diff with counter, sapp_ctx:%llu:%llu->%llu:%llu, counter:%llu:%llu->%llu:%llu, %s", 
	                              sapp_ctx.c2s_pkts, sapp_ctx.c2s_bytes,
	                              sapp_ctx.s2c_pkts, sapp_ctx.s2c_bytes,
	                              ctx->c2s_pkts, ctx->c2s_bytes,
	                              ctx->s2c_pkts, ctx->s2c_bytes,
				      printaddr(&a_stream->addr, a_stream->threadnum));
	}
	return;
}



UCHAR ntc_ip_comm_transfer_process(struct streaminfo *a_stream,  void **pme, int thread_seq,const void *raw_pkt,
        UCHAR opstate)
{
      unsigned char ret = APP_STATE_GIVEME;
      char label_buf[128] = {0};
      char user_buf[128] = {0};
      int label_buflen = sizeof(label_buf);
      int user_buflen = sizeof(user_buf);
      comm_context_t *ctx = NULL;
      switch (opstate)
      {
          case OP_STATE_PENDING:
                ctx = (comm_context_t *)calloc(sizeof(comm_context_t ), 1);
                ntc_ip_comm_update_counter(ctx, a_stream);
                *pme = ctx;
                break;
          case OP_STATE_DATA:
                ctx = (comm_context_t *)*pme;
                ntc_ip_comm_update_counter(ctx, a_stream);
                break;                
          case OP_STATE_CLOSE:
                if(*pme != NULL)
                {
                    ctx = (comm_context_t *)*pme;
                    ntc_ip_comm_update_counter(ctx, a_stream);                    
                    ntc_ip_comm_judge_counter(ctx, a_stream);                    
            		if(ctx->c2s_bytes+ctx->s2c_bytes >= g_ntc_ip_comm_item.min_bytes &&ctx->c2s_pkts+ctx->s2c_pkts >= g_ntc_ip_comm_item.min_pkts)
            		{
                        ntc_ip_comm_get_dpkt_label(a_stream, g_ntc_ip_comm_item.dpkt_label, label_buf, &label_buflen);
                        ntc_ip_comm_assemble_user_buf(a_stream, user_buf, &user_buflen);
                        if((g_ntc_ip_comm_item.comm_log_mode&SEND_LOG) == SEND_LOG)
            			{
            				ntc_ip_comm_send_ntc_log(a_stream, ctx, label_buf, label_buflen, user_buf, user_buflen);
            			}
                        else
            			{
            				ntc_ip_comm_send_kafka_log(g_ntc_ip_comm_kafka_topic, a_stream, ctx, label_buf,
            				        label_buflen, user_buf, user_buflen);
            			}
            		}
            		free(ctx);
            		ctx = NULL;
            		ret= APP_STATE_DROPME;	
                }
    		    break;
      }
	return ret ;
}

extern "C" UCHAR ntc_ip_comm_tcpall_entry(struct streaminfo *a_stream,  void **pme, int thread_seq,const void *raw_pkt)
{
    if(g_ntc_ip_comm_item.after_kill_switch == 1)
    {
        if(a_stream->pktstate == OP_STATE_PENDING)
        {
            unsigned char mopt = 1;
            MESA_set_stream_opt(a_stream, MSO_TCPALL_VALID_AFTER_KILL, &mopt, sizeof(mopt));
        }
    }
    return ntc_ip_comm_transfer_process(a_stream, pme, thread_seq, raw_pkt, a_stream->pktstate);
}

extern "C" UCHAR ntc_ip_comm_transfer_entry(struct streaminfo *a_stream,  void **pme, int thread_seq,const void *raw_pkt)
{
    return ntc_ip_comm_transfer_process(a_stream, pme, thread_seq, raw_pkt, a_stream->opstate);
}

void ntc_ip_comm_load_profile()
{
	MESA_load_profile_string_def(PROFILE_PATH, PLUGIN_NAME, "log_path", g_ntc_ip_comm_item.log_path, sizeof(g_ntc_ip_comm_item.log_path), "./t1log/ip_comm_log");
	MESA_load_profile_uint_def(PROFILE_PATH,PLUGIN_NAME, "log_level", &g_ntc_ip_comm_item.log_level, 30);

	char nic_name[64];
	MESA_load_profile_string_def(PROFILE_PATH,"SYSTEM", "NIC_NAME",nic_name,sizeof(nic_name),"eth0");
	g_ntc_ip_comm_item.local_ip_nr=get_ip_by_eth_name(nic_name);
	if(g_ntc_ip_comm_item.local_ip_nr==INADDR_NONE)
	{
		printf("get_ip_by_eth_name in %s return NULL, exit!\n", nic_name);
		exit(0);
	}
	inet_ntop(AF_INET,&(g_ntc_ip_comm_item.local_ip_nr),g_ntc_ip_comm_item.local_ip_str,sizeof(g_ntc_ip_comm_item.local_ip_str));
	MESA_load_profile_int_def(PROFILE_PATH,"SYSTEM", "ENTRANCE_ID",&(g_ntc_ip_comm_item.entry_id),0);


	MESA_load_profile_uint_def(PROFILE_PATH,PLUGIN_NAME, "min_pkts", &g_ntc_ip_comm_item.min_pkts, 5);
	MESA_load_profile_uint_def(PROFILE_PATH,PLUGIN_NAME, "min_bytes", &g_ntc_ip_comm_item.min_bytes, 5);

	MESA_load_profile_int_def(PROFILE_PATH,PLUGIN_NAME, "service", &g_ntc_ip_comm_item.service, 0);

    MESA_load_profile_int_def(PROFILE_PATH,PLUGIN_NAME, "after_kill_switch", &g_ntc_ip_comm_item.after_kill_switch, 0);

    MESA_load_profile_uint_def(PROFILE_PATH,PLUGIN_NAME, "comm_log_mode", &g_ntc_ip_comm_item.comm_log_mode, 0);

	MESA_load_profile_string_def(PROFILE_PATH, PLUGIN_NAME, "dpkt_label", g_ntc_ip_comm_item.dpkt_label, sizeof(g_ntc_ip_comm_item.dpkt_label), "DPKT_PROJECT");
	return ;
}

int ntc_ip_comm_kaka_init(int kafka_mode)
{
	char kafka_errstr[1024];
	MESA_load_profile_string_def(PROFILE_PATH, PLUGIN_NAME, "kafka_topic", g_ntc_ip_comm_item.kafka_topic, sizeof(g_ntc_ip_comm_item.kafka_topic), NTC_IP_COMM_TOPIC);
	if((kafka_mode&INDIE_KAFKA)  == INDIE_KAFKA)
	{
		if(0 > MESA_load_profile_string_nodef(PROFILE_PATH, PLUGIN_NAME, "kafka_brokelist", g_ntc_ip_comm_item.kafka_brokelist, sizeof(g_ntc_ip_comm_item.kafka_brokelist)))
		{
			return -1;
		}
		rd_kafka_conf_t *rdkafka_conf = rd_kafka_conf_new();
		rd_kafka_conf_set(rdkafka_conf, "queue.buffering.max.messages", "1000000", kafka_errstr, sizeof(kafka_errstr));
		rd_kafka_conf_set(rdkafka_conf, "topic.metadata.refresh.interval.ms", "600000",kafka_errstr, sizeof(kafka_errstr));
		rd_kafka_conf_set(rdkafka_conf, "security.protocol", "MG", kafka_errstr, sizeof(kafka_errstr));

		if (!(g_ntc_ip_comm_kafka_handle = rd_kafka_new(RD_KAFKA_PRODUCER, rdkafka_conf, kafka_errstr, sizeof(kafka_errstr))))
		{
			return -1;
		}

		if (rd_kafka_brokers_add(g_ntc_ip_comm_kafka_handle, g_ntc_ip_comm_item.kafka_brokelist) == 0)
		{
			return -1;
		}
	}
	else
	{
		if(0 > MESA_load_profile_string_nodef(PROFILE_PATH, PLUGIN_NAME, "kafka_handle_provide_path", g_ntc_ip_comm_item.kafka_handle_provide_path, sizeof(g_ntc_ip_comm_item.kafka_handle_provide_path)))
		{
			return -1;
		}
		void * dl_handle = dlopen(g_ntc_ip_comm_item.kafka_handle_provide_path, RTLD_NOW|RTLD_GLOBAL);
		if(dl_handle == NULL)
		{
			return -1;
		}
		if(0 > MESA_load_profile_string_nodef(PROFILE_PATH, PLUGIN_NAME, "kafka_handle_name", g_ntc_ip_comm_item.kafka_handle_name, sizeof(g_ntc_ip_comm_item.kafka_handle_name)))
		{
			return -1;
		}
		void *dl_return = dlsym(dl_handle, g_ntc_ip_comm_item.kafka_handle_name);

		if(dl_return == NULL)
		{
			return -1;
		}
		g_ntc_ip_comm_kafka_handle = *(rd_kafka_t **)dl_return;
		if(g_ntc_ip_comm_kafka_handle == NULL)
		{
			return -1;
		}        

	}
	rd_kafka_topic_conf_t*ip_comm_topic_conf = rd_kafka_topic_conf_new();
	g_ntc_ip_comm_kafka_topic = rd_kafka_topic_new(g_ntc_ip_comm_kafka_handle, g_ntc_ip_comm_item.kafka_topic, ip_comm_topic_conf);
	return 0;
}

extern "C" int ntc_ip_comm_init()
{
	memset(&g_ntc_ip_comm_item, 0, sizeof(g_ntc_ip_comm_item));
	ntc_ip_comm_load_profile();
	g_ntc_ip_comm_item.log_handle = MESA_create_runtime_log_handle(g_ntc_ip_comm_item.log_path, g_ntc_ip_comm_item.log_level);
	if(g_ntc_ip_comm_item.log_handle == NULL)
		return ERROR;


	g_ntc_ip_comm_item.dpkt_project_id = project_customer_register(g_ntc_ip_comm_item.dpkt_label, "struct");
	g_ntc_ip_comm_item.tcp_flow_id = project_customer_register("tcp_flow_stat", "struct");	
	g_ntc_ip_comm_item.udp_flow_id = project_customer_register("udp_flow_stat", "struct");	

	if((g_ntc_ip_comm_item.comm_log_mode&SEND_KAFKA) == SEND_KAFKA)
	{
		if(0 != ntc_ip_comm_kaka_init(g_ntc_ip_comm_item.comm_log_mode))
			return ERROR;
	}
	return OK;
}



extern "C" void ntc_ip_comm_destroy(void)
{
	MESA_destroy_runtime_log_handle(g_ntc_ip_comm_item.log_handle);
	return;
}