path: root/plugin/business/doh/src/logger.cpp

#include "logger.h"

struct json_spec
{
    const char *log_filed_name;
    enum tfe_http_std_field field_id;
};

enum _log_action //Bigger action number is prior.
{
    LG_ACTION_NONE = 0x00,
    LG_ACTION_MONIT = 0x01,
    LG_ACTION_FORWARD = 0x02, /* N/A */
    LG_ACTION_REJECT = 0x10,
    LG_ACTION_DROP = 0x20, /* N/A */
    LG_ACTION_MANIPULATE = 0x30,
    LG_ACTION_RATELIMIT = 0x40, /* N/A */
	LG_ACTION_WHITELIST = 0x60,
	LG_ACTION_SHUNT = 0x80,
    __LG_ACTION_MAX
};

#define get_time_ms(tv) ((long long)(tv.tv_sec) * 1000 + (long long)(tv.tv_usec) / 1000)

static int get_rr_str2json(cJSON *object, dns_info_t *dns_info, int *dns_sec)
{
    int i = 0;
    char ip_str[128];
    dns_rr_t *dns_rr = NULL;
    cJSON *one_rr_object = NULL;
    cJSON *dns_rr_array = NULL;

    if (object == NULL || dns_info == NULL || dns_sec == NULL)
    {
        return -1;
    }

    dns_rr_array = cJSON_CreateArray();

    for (i = 0; i < dns_info->rr_count; i++)
    {
        one_rr_object = cJSON_CreateObject();
        dns_rr = &(dns_info->rr[i]);

        if (dns_rr->type == DNS_TYPE_OPT)
        {
            cJSON_AddStringToObject(one_rr_object, "name", (const char *)(dns_rr->name));
            cJSON_AddNumberToObject(one_rr_object, "type", dns_rr->type);
            cJSON_AddNumberToObject(one_rr_object, "udp_payload", dns_rr->rr_class);
            cJSON_AddNumberToObject(one_rr_object, "rcode", (int)(dns_rr->ttl >> 24));
            cJSON_AddNumberToObject(one_rr_object, "version", (int)((dns_rr->ttl >> 16) & 0xFF));
            cJSON_AddNumberToObject(one_rr_object, "Z", (int)(dns_rr->ttl && 0xFFFF));
            cJSON_AddNumberToObject(one_rr_object, "rdlength", dns_rr->rdlength);
        }
        else
        {
            cJSON_AddStringToObject(one_rr_object, "name", (const char *)(dns_rr->name));
            cJSON_AddNumberToObject(one_rr_object, "type", dns_rr->type);
            cJSON_AddNumberToObject(one_rr_object, "class", dns_rr->rr_class);
            cJSON_AddNumberToObject(one_rr_object, "ttl", dns_rr->ttl);
            cJSON_AddNumberToObject(one_rr_object, "rdlength", dns_rr->rdlength);
        }

        if (dns_rr->rdata.a == NULL)
        {
            cJSON_AddItemToArray(dns_rr_array, one_rr_object);
            continue;
        }

        switch (dns_rr->type)
        {
        case DNS_TYPE_A:
            inet_ntop(AF_INET, (void *)(dns_rr->rdata.a), ip_str, sizeof(ip_str));
            cJSON_AddStringToObject(one_rr_object, "a", ip_str);
            break;
        case DNS_TYPE_NS:
            cJSON_AddStringToObject(one_rr_object, "ns", (const char *)(dns_rr->rdata.ns));
            break;
        case DNS_TYPE_MD:
            cJSON_AddStringToObject(one_rr_object, "md", (const char *)(dns_rr->rdata.md));
            break;
        case DNS_TYPE_MF:
            cJSON_AddStringToObject(one_rr_object, "mf", (const char *)(dns_rr->rdata.mf));
            break;
        case DNS_TYPE_CNAME:
            cJSON_AddStringToObject(one_rr_object, "cname", (const char *)(dns_rr->rdata.cname));
            break;
        case DNS_TYPE_SOA:
            cJSON_AddStringToObject(one_rr_object, "mname", (const char *)(dns_rr->rdata.soa.mname));
            cJSON_AddStringToObject(one_rr_object, "rname", (const char *)(dns_rr->rdata.soa.rname));
            cJSON_AddNumberToObject(one_rr_object, "serial", dns_rr->rdata.soa.serial);
            cJSON_AddNumberToObject(one_rr_object, "refresh", dns_rr->rdata.soa.refresh);
            cJSON_AddNumberToObject(one_rr_object, "retry", dns_rr->rdata.soa.retry);
            cJSON_AddNumberToObject(one_rr_object, "cname", dns_rr->rdata.soa.expire);
            cJSON_AddNumberToObject(one_rr_object, "minimum", dns_rr->rdata.soa.minimum);
            break;
        case DNS_TYPE_MB:
            cJSON_AddStringToObject(one_rr_object, "mb", (const char *)(dns_rr->rdata.mb));
            break;
        case DNS_TYPE_MG:
            cJSON_AddStringToObject(one_rr_object, "mg", (const char *)(dns_rr->rdata.mg));
            break;
        case DNS_TYPE_MR:
            cJSON_AddStringToObject(one_rr_object, "mr", (const char *)(dns_rr->rdata.mr));
            break;
        case DNS_TYPE_NULL:
            cJSON_AddNumberToObject(one_rr_object, "size", dns_rr->rdata.null.size);
            cJSON_AddStringToObject(one_rr_object, "null", (const char *)(dns_rr->rdata.null.null));
            break;
        case DNS_TYPE_WKS:
            cJSON_AddStringToObject(one_rr_object, "addr", ip_str);
            cJSON_AddNumberToObject(one_rr_object, "protocol", dns_rr->rdata.wks.protocol);
            cJSON_AddStringToObject(one_rr_object, "bitmap", (const char *)(dns_rr->rdata.wks.bitmap));
            cJSON_AddNumberToObject(one_rr_object, "size", dns_rr->rdata.wks.size);
            break;
        case DNS_TYPE_PTR:
            cJSON_AddStringToObject(one_rr_object, "ptr", (const char *)(dns_rr->rdata.ptr));
            break;
        case DNS_TYPE_HINFO:
            cJSON_AddStringToObject(one_rr_object, "cpu", (const char *)(dns_rr->rdata.hinfo.cpu));
            cJSON_AddStringToObject(one_rr_object, "os", (const char *)(dns_rr->rdata.hinfo.os));
            break;
        case DNS_TYPE_MINFO:
            cJSON_AddStringToObject(one_rr_object, "rmailbx", (const char *)(dns_rr->rdata.minfo.rmailbx));
            cJSON_AddStringToObject(one_rr_object, "emailbx", (const char *)(dns_rr->rdata.minfo.emailbx));
            break;
        case DNS_TYPE_MX:
            cJSON_AddStringToObject(one_rr_object, "exchange", (const char *)(dns_rr->rdata.mx.exchange));
            cJSON_AddNumberToObject(one_rr_object, "preference", dns_rr->rdata.mx.preference);
            break;
        case DNS_TYPE_TXT:
            cJSON_AddStringToObject(one_rr_object, "txt", (char *)(dns_rr->rdata.txt.txt));
            cJSON_AddNumberToObject(one_rr_object, "size", dns_rr->rdata.txt.size);
            break;
        case DNS_TYPE_RP:
            cJSON_AddStringToObject(one_rr_object, "mailbox", (char *)(dns_rr->rdata.rp.mailbox));
            cJSON_AddStringToObject(one_rr_object, "txt_rr", (char *)(dns_rr->rdata.rp.txt_rr));
            break;
        case DNS_TYPE_AAAA:
            inet_ntop(AF_INET6, dns_rr->rdata.aaaa, ip_str, sizeof(ip_str));
            cJSON_AddStringToObject(one_rr_object, "aaaa", ip_str);
            break;
        case DNS_TYPE_OPT:
            break;
        case DNS_TYPE_DS:
            *dns_sec = 2;
            cJSON_AddNumberToObject(one_rr_object, "key_tag", dns_rr->rdata.ds.key_tag);
            cJSON_AddNumberToObject(one_rr_object, "algo", dns_rr->rdata.ds.algo);
            cJSON_AddNumberToObject(one_rr_object, "digest_type", dns_rr->rdata.ds.digest_type);
            cJSON_AddStringToObject(one_rr_object, "digest", (char *)(dns_rr->rdata.ds.digest));
            break;
        case DNS_TYPE_RRSIG:
            *dns_sec = 2;
            cJSON_AddNumberToObject(one_rr_object, "type_covered", dns_rr->rdata.rrsig.type_covered);
            cJSON_AddNumberToObject(one_rr_object, "algo", dns_rr->rdata.rrsig.algo);
            cJSON_AddNumberToObject(one_rr_object, "labels", dns_rr->rdata.rrsig.labels);
            cJSON_AddNumberToObject(one_rr_object, "original_ttl", dns_rr->rdata.rrsig.original_ttl);
            cJSON_AddNumberToObject(one_rr_object, "sig_expiration", dns_rr->rdata.rrsig.sig_expiration);
            cJSON_AddNumberToObject(one_rr_object, "sig_inception", dns_rr->rdata.rrsig.sig_inception);
            cJSON_AddNumberToObject(one_rr_object, "key_tag", dns_rr->rdata.rrsig.key_tag);
            cJSON_AddStringToObject(one_rr_object, "signer_name", (const char *)(dns_rr->rdata.rrsig.signer_name));
            cJSON_AddStringToObject(one_rr_object, "signature", (char *)(dns_rr->rdata.rrsig.signature));
            break;
        case DNS_TYPE_NSEC:
            *dns_sec = 2;
            cJSON_AddStringToObject(one_rr_object, "next_domain", (const char *)(dns_rr->rdata.nsec.next_domain));
            cJSON_AddStringToObject(one_rr_object, "type_bit_maps", (char *)(dns_rr->rdata.nsec.type_bit_maps));
            break;
        case DNS_TYPE_DNSKEY:
            *dns_sec = 2;
            cJSON_AddNumberToObject(one_rr_object, "flags", dns_rr->rdata.dnskey.flags);
            cJSON_AddNumberToObject(one_rr_object, "protocol", dns_rr->rdata.dnskey.protocol);
            cJSON_AddNumberToObject(one_rr_object, "algo", dns_rr->rdata.dnskey.algo);
            cJSON_AddStringToObject(one_rr_object, "public_key", (char *)(dns_rr->rdata.dnskey.public_key));
            break;
        case DNS_TYPE_NSEC3:
            *dns_sec = 2;
            cJSON_AddNumberToObject(one_rr_object, "hash_algo", dns_rr->rdata.nsec3.hash_algo);
            cJSON_AddNumberToObject(one_rr_object, "flags", dns_rr->rdata.nsec3.flags);
            cJSON_AddNumberToObject(one_rr_object, "iteration", dns_rr->rdata.nsec3.iteration);
            cJSON_AddNumberToObject(one_rr_object, "salt_len", dns_rr->rdata.nsec3.salt_len);
            cJSON_AddNumberToObject(one_rr_object, "hash_len", dns_rr->rdata.nsec3.hash_len);
            cJSON_AddStringToObject(one_rr_object, "salt_value", (char *)(dns_rr->rdata.nsec3.salt_value));
            cJSON_AddStringToObject(one_rr_object, "next_hash_owner", (char *)(dns_rr->rdata.nsec3.next_hash_owner));
            cJSON_AddStringToObject(one_rr_object, "type_bit_maps", (char *)(dns_rr->rdata.nsec3.type_bit_maps));
            break;
        case DNS_TYPE_NSEC3PARAM:
            cJSON_AddNumberToObject(one_rr_object, "hash_algo", dns_rr->rdata.nsec3param.hash_algo);
            cJSON_AddNumberToObject(one_rr_object, "flags", dns_rr->rdata.nsec3param.flags);
            cJSON_AddNumberToObject(one_rr_object, "iteration", dns_rr->rdata.nsec3param.iteration);
            cJSON_AddNumberToObject(one_rr_object, "salt_len", dns_rr->rdata.nsec3param.salt_len);
            cJSON_AddStringToObject(one_rr_object, "salt_value", (char *)(dns_rr->rdata.nsec3param.salt_value));
            break;
        case DNS_QTYPE_AXFR:
            break;
        case DNS_QTYPE_MAILB:
            continue;
            break;
        case DNS_QTYPE_MAILA:
            break;
        case DNS_QTYPE_ANY:
            break;
        default:
            break;
        }

        cJSON_AddItemToArray(dns_rr_array, one_rr_object);
    }

    cJSON_AddItemToObject(object, "rr", dns_rr_array);

    return 0;
}

static void add_dns_info_to_log(cJSON *common_obj, dns_info_t *dns_info)
{
    int i = 0;
    dns_rr_t *rr = NULL;
    int dns_sec = 1;
    char *cname = NULL, *rr_buf = NULL;

    cJSON_AddNumberToObject(common_obj, "doh_qr", dns_info->hdr_info.qr);
    cJSON_AddNumberToObject(common_obj, "doh_aa", dns_info->hdr_info.aa);
    cJSON_AddNumberToObject(common_obj, "doh_message_id", dns_info->hdr_info.id);
    cJSON_AddNumberToObject(common_obj, "doh_opcode", dns_info->hdr_info.opcode);
    cJSON_AddNumberToObject(common_obj, "doh_ra", dns_info->hdr_info.ra);
    cJSON_AddNumberToObject(common_obj, "doh_rcode", dns_info->hdr_info.rcode);
    cJSON_AddNumberToObject(common_obj, "doh_rd", dns_info->hdr_info.rd);
    cJSON_AddNumberToObject(common_obj, "doh_tc", dns_info->hdr_info.tc);
    cJSON_AddNumberToObject(common_obj, "doh_qdcount", dns_info->hdr_info.qdcount);
    cJSON_AddNumberToObject(common_obj, "doh_ancount", dns_info->hdr_info.ancount);
    cJSON_AddNumberToObject(common_obj, "doh_nscount", dns_info->hdr_info.aucount);
    cJSON_AddNumberToObject(common_obj, "doh_arcount", dns_info->hdr_info.adcount);

    if ((strlen((char *)dns_info->query_question.qname)) > 0)
    {
        cJSON_AddStringToObject(common_obj, "doh_qname", (char *)dns_info->query_question.qname);
        cJSON_AddNumberToObject(common_obj, "doh_qtype", dns_info->query_question.qtype);
        cJSON_AddNumberToObject(common_obj, "doh_qclass", dns_info->query_question.qclass);
    }

    cJSON *item = NULL;
    cJSON *cname_array = cJSON_CreateArray();
    for (i = 0; i < dns_info->rr_count && dns_info->rr != NULL; i++)
    {
        rr = &dns_info->rr[i];
        if (rr != NULL && rr->type == DNS_TYPE_CNAME)
        {
            if (rr->rdata.cname != NULL)
            {
                item = cJSON_CreateString((const char *)rr->rdata.cname);
                cJSON_AddItemToArray(cname_array, item);
            }
        }
    }

    cname = cJSON_PrintUnformatted(cname_array);
    if (cname)
    {
        if (strlen(cname) > 0)
        {
            cJSON_AddStringToObject(common_obj, "doh_cname", cname);
        }
        free(cname);
    }
    cJSON_Delete(cname_array);
    cname_array = NULL;

    cJSON *object = cJSON_CreateObject();
    get_rr_str2json(object, dns_info, &dns_sec);
    rr_buf = cJSON_PrintUnformatted(object);
    cJSON_AddStringToObject(common_obj, "doh_rr", rr_buf);
    free(rr_buf);
    rr_buf = NULL;
    cJSON_Delete(object);
    object = NULL;

    cJSON_AddNumberToObject(common_obj, "doh_sub", dns_sec);
}

int doh_kafka_init(const char *profile, struct doh_conf *conf)
{
    const char *section = "kafka";
    MESA_load_profile_int_def(profile, section, "ENTRANCE_ID", &(conf->entry_id), 0);
    MESA_load_profile_int_def(profile, section, "en_sendlog", &conf->en_sendlog, 1);
    if (!conf->en_sendlog)
    {
        return 0;
    }
    conf->device_id = (const char *)tfe_bussiness_resouce_get(DEVICE_ID);
	conf->effective_device_tag = (const char *)tfe_bussiness_resouce_get(EFFECTIVE_DEVICE_TAG);
    conf->kafka_logger = (tfe_kafka_logger_t *)tfe_bussiness_resouce_get(KAFKA_LOGGER);
    if (conf->kafka_logger && !conf->kafka_logger->enable)
    {
        TFE_LOG_ERROR(conf->local_logger, "Doh sendlog ENABLE, but tfe kafka logger DISABLED.");
        return -1;
    }

    return 0;
}

int doh_send_log(struct doh_conf *handle, const struct tfe_http_session *http, const struct tfe_stream *stream, struct doh_ctx *ctx)
{
    struct doh_maat_rule_t *result = ctx->result;
    size_t result_num = ctx->result_num;
    dns_info_t *dns_info = ctx->doh_req;
    const struct tfe_stream_addr *addr = stream->addr;
    const char *tmp_val = NULL;
    cJSON *common_obj = NULL, *per_hit_obj = NULL;
    char *log_payload = NULL;
    int kafka_status = 0;
    int send_cnt = 0;
    struct timeval cur_time;
    char src_ip_str[MAX(INET6_ADDRSTRLEN, INET_ADDRSTRLEN)] = {0};
    char dst_ip_str[MAX(INET6_ADDRSTRLEN, INET_ADDRSTRLEN)] = {0};

    const char *app_proto[] = {"unkonw", "http1", "http2"};
    struct json_spec req_fields[] = {{"doh_cookie", TFE_HTTP_COOKIE},
                                     {"doh_referer", TFE_HTTP_REFERER},
                                     {"doh_user_agent", TFE_HTTP_USER_AGENT}};
    struct json_spec resp_fields[] = {{"doh_content_type", TFE_HTTP_CONT_TYPE},
                                      {"doh_content_length", TFE_HTTP_CONT_LENGTH},
                                      {"doh_set_cookie", TFE_HTTP_SET_COOKIE}};

    if (!handle->en_sendlog)
    {
        return 0;
    }

    common_obj = cJSON_CreateObject();
    gettimeofday(&cur_time, NULL);

    cJSON_AddNumberToObject(common_obj, "start_timestamp_ms", get_time_ms(cur_time));
    cJSON_AddNumberToObject(common_obj, "end_timestamp_ms", get_time_ms(cur_time));
    cJSON_AddStringToObject(common_obj, "doh_version", app_proto[http->major_version]);
    cJSON_AddStringToObject(common_obj, "decoded_as", "DoH");

    char opt_val[24] = { 0 };
    uint16_t opt_out_size;
    struct tfe_cmsg *cmsg = tfe_stream_get0_cmsg(stream);
    if (cmsg != NULL)
    {
        int ret = tfe_cmsg_get_value(cmsg, TFE_CMSG_STREAM_TRACE_ID, (unsigned char *)opt_val, sizeof(opt_val), &opt_out_size);
        if (ret == 0)
        {
			cJSON_AddStringToObject(common_obj, "session_id", opt_val);
        }
    }

    if (http->req)
    {
        char *request_line = NULL;
        struct tfe_http_req_spec req_spec = http->req->req_spec;
        asprintf(&request_line, "%s %s HTTP/%d.%d", http_std_method_to_string(req_spec.method), req_spec.url, http->major_version, http->minor_version);
        cJSON_AddStringToObject(common_obj, "doh_request_line", request_line);
        free(request_line);
    }

    if (http->resp)
    {
        char *response_line = NULL;
        struct tfe_http_resp_spec resp_spec = http->resp->resp_spec;
        asprintf(&response_line, "HTTP/%d.%d %d OK", http->major_version, http->minor_version, resp_spec.resp_code);
        cJSON_AddStringToObject(common_obj, "doh_response_line", response_line);
        free(response_line);
    }

    switch (addr->addrtype)
    {
    case TFE_ADDR_STREAM_TUPLE4_V4:
        cJSON_AddNumberToObject(common_obj, "address_type", 4);
        inet_ntop(AF_INET, &addr->tuple4_v4->saddr, src_ip_str, sizeof(src_ip_str));
        inet_ntop(AF_INET, &addr->tuple4_v4->daddr, dst_ip_str, sizeof(dst_ip_str));
        cJSON_AddStringToObject(common_obj, "client_ip", src_ip_str);
        cJSON_AddStringToObject(common_obj, "server_ip", dst_ip_str);
        cJSON_AddNumberToObject(common_obj, "client_port", ntohs(addr->tuple4_v4->source));
        cJSON_AddNumberToObject(common_obj, "server_port", ntohs(addr->tuple4_v4->dest));
        break;
    case TFE_ADDR_STREAM_TUPLE4_V6:
        cJSON_AddNumberToObject(common_obj, "address_type", 6);
        inet_ntop(AF_INET6, &addr->tuple4_v6->saddr, src_ip_str, sizeof(src_ip_str));
        inet_ntop(AF_INET6, &addr->tuple4_v6->daddr, dst_ip_str, sizeof(dst_ip_str));
        cJSON_AddStringToObject(common_obj, "client_ip", src_ip_str);
        cJSON_AddStringToObject(common_obj, "server_ip", dst_ip_str);
        cJSON_AddNumberToObject(common_obj, "client_port", ntohs(addr->tuple4_v6->source));
        cJSON_AddNumberToObject(common_obj, "server_port", ntohs(addr->tuple4_v6->dest));
        break;
    default:
        break;
    }
    size_t c2s_byte_num = 0, s2c_byte_num = 0;
    tfe_stream_info_get(stream, INFO_FROM_DOWNSTREAM_RX_OFFSET, &c2s_byte_num, sizeof(c2s_byte_num));
    tfe_stream_info_get(stream, INFO_FROM_UPSTREAM_RX_OFFSET, &s2c_byte_num, sizeof(s2c_byte_num));

   	cJSON_AddNumberToObject(common_obj, "out_link_id", 0);
	cJSON_AddNumberToObject(common_obj, "in_link_id", 0);
    cJSON_AddStringToObject(common_obj, "sled_ip", handle->kafka_logger->local_ip_str);
	cJSON_AddNumberToObject(common_obj, "t_vsys_id", handle->kafka_logger->t_vsys_id);
	cJSON_AddNumberToObject(common_obj, "vsys_id", ctx->vsys_id);
    cJSON_AddStringToObject(common_obj, "device_id", handle->device_id);
    cJSON_AddNumberToObject(common_obj, "sent_bytes", c2s_byte_num);
    cJSON_AddNumberToObject(common_obj, "received_bytes", s2c_byte_num);
    cJSON_AddStringToObject(common_obj, "doh_url", http->req->req_spec.url);
    cJSON_AddStringToObject(common_obj, "doh_host", http->req->req_spec.host);
	cJSON_AddStringToObject(common_obj, "server_fqdn", http->req->req_spec.host);

	if(handle->effective_device_tag)
	{
		cJSON_AddStringToObject(common_obj, "device_tag", handle->effective_device_tag);
	}

    for (size_t i = 0; i < sizeof(req_fields) / sizeof(struct json_spec); i++)
    {
        tmp_val = tfe_http_std_field_read(http->req, req_fields[i].field_id);
        if (tmp_val != NULL)
        {
            cJSON_AddStringToObject(common_obj, req_fields[i].log_filed_name, tmp_val);
        }
    }
    for (size_t i = 0; i < sizeof(resp_fields) / sizeof(struct json_spec) && http->resp != NULL; i++)
    {
        tmp_val = tfe_http_std_field_read(http->resp, resp_fields[i].field_id);
        if (tmp_val != NULL)
        {
            cJSON_AddStringToObject(common_obj, resp_fields[i].log_filed_name, tmp_val);
        }
    }

    if (ctx->location_client)
    {
        cJSON_AddStringToObject(common_obj, "client_geolocation", ctx->location_client);
    }
    if (ctx->location_server)
    {
        cJSON_AddStringToObject(common_obj, "server_geolocation", ctx->location_server);
    }
    if (ctx->asn_client)
    {
        cJSON_AddStringToObject(common_obj, "client_asn", ctx->asn_client);
    }
    if (ctx->asn_server)
    {
        cJSON_AddStringToObject(common_obj, "server_asn", ctx->asn_server);
    }

    add_dns_info_to_log(common_obj, dns_info);
    for (size_t i = 0; i < result_num; i++)
    {

        TFE_LOG_DEBUG(handle->local_logger, "URL: %s, policy_id: %lld, service: %d, do_log:%d",
                      http->req->req_spec.url,
                      result[i].config_id,
                      result[i].service_id,
                      result[i].do_log);

        if (result[i].do_log == 0)
        {
            continue;
        }

		cJSON *proxy_rule_list=NULL;
		int config_id[1]={0};

        per_hit_obj = cJSON_Duplicate(common_obj, 1);
		config_id[0]=result[i].config_id;
		proxy_rule_list = cJSON_CreateIntArray(config_id, 1);
		cJSON_AddItemToObject(per_hit_obj, "proxy_rule_list", proxy_rule_list);
        cJSON_AddStringToObject(per_hit_obj, "proxy_action", "redirect");

        log_payload = cJSON_PrintUnformatted(per_hit_obj);

        TFE_LOG_DEBUG(handle->local_logger, "%s", log_payload);

        kafka_status = tfe_kafka_logger_send(handle->kafka_logger, TOPIC_LOGGER, log_payload, strlen(log_payload));
        free(log_payload);
        cJSON_Delete(per_hit_obj);
        if (kafka_status < 0)
        {
            TFE_LOG_ERROR(handle->local_logger, "Kafka produce failed: %s", rd_kafka_err2name(rd_kafka_last_error()));
        }
        else
        {
            send_cnt++;
        }
    }

    cJSON_Delete(common_obj);
    return send_cnt;
}