//syn包开始回调
extern "C" char kni_tcpall_entry(const struct streaminfo* pstream, void** pme, int thread_seq, const void* a_packet){
    //当前包bypass, 剩下包bypass
	char ret = APP_STATE_FAWPKT|APP_STATE_DROPME;	
	struct kni_ipv6_hdr* ipv6_hdr = NULL;
	struct kni_pme_info *pmeinfo = *(struct kni_pme_info **)pme;
	if(pstream->addr.addrtype==ADDR_TYPE_IPV6){
		ipv6_hdr = (struct kni_ipv6_hdr*)a_packet;	
		if((a_packet != NULL) && (ipv6_hdr->ip6_nex_hdr != NEXTHDR_TCP)){	
			kni_filestate2_set(thread_seq,FS_DROP_IPV6OPT,0,1);
			return ret;
		}
	}
	switch(pstream->pktstate){
		case OP_STATE_PENDING:
			kni_filestate2_set(thread_seq,FS_PENDING,0,1);
			kni_filestate2_set(thread_seq,FS_PMENUM,0,1);
			*pme=pmeinfo=kni_pmeinfo_new();
			ret=kni_pending_opstate(pstream, pmeinfo, thread_seq, a_packet, PROTO_TYPE_TCP);
			break;

		case OP_STATE_DATA:
			ret=kni_data_opstate(pstream, pmeinfo, thread_seq,a_packet, PROTO_TYPE_TCP);
			break;

		case OP_STATE_CLOSE:
			if(a_packet == NULL)
			{
				kni_filestate2_set(thread_seq,FS_CLOSE_TIMEOUT,0,1);
			}
			else 
			{
				kni_filestate2_set(thread_seq,FS_CLOSE_FIN,0,1);
			}
			
			ret=kni_close_opstate(pstream,(struct kni_pme_info*)*pme,thread_seq,a_packet,PROTO_TYPE_TCP);
			break;

		default:
			break;
	}

	if((ret&APP_STATE_DROPME)&& pmeinfo!=NULL)
	{
		kni_filestate2_set(thread_seq,FS_PMENUM,0,-1);
		kni_free_pmeinfo(pmeinfo);
		*pme=NULL;

		if(pstream->pktstate != OP_STATE_CLOSE)
		{
			kni_filestate2_set(thread_seq,FS_CLOSE_DROPME,0,1);
		}
	}

	clock_gettime(CLOCK_MONOTONIC, &end);
			
	elapse=(end.tv_sec-start.tv_sec)*1000000+(end.tv_nsec-start.tv_nsec)/1000;
	FS_operate(g_kni_fs2_info.handler, g_kni_fs2_info.metric_sapp_proc, 0, FS_OP_SET, elapse);

	return ret;
	
}