tango-tfe/common/src/tfe_resource.cpp

#include <tfe_utils.h>
#include <tfe_resource.h>
#include <tfe_proxy.h>
#include <MESA/Maat_rule.h>
#include <MESA/MESA_prof_load.h>

#define MAAT_INPUT_JSON 0
#define MAAT_INPUT_REDIS 1
#define MAAT_INPUT_FILE 2

static Maat_feather_t static_maat = NULL;
static Maat_feather_t dynamic_maat = NULL;

static Maat_feather_t create_maat_feather(const char *instance_name, const char *profile, const char *section, int max_thread, void *logger)
{
    Maat_feather_t target;
    int input_mode = 0, maat_stat_on = 0, maat_perf_on = 0;
    int ret = 0, scan_detail = 0, effect_interval = 60;
    char table_info[TFE_STRING_MAX] = {0}, inc_cfg_dir[TFE_STRING_MAX] = {0}, ful_cfg_dir[TFE_STRING_MAX] = {0};
    char redis_server[TFE_STRING_MAX] = {0};
    char redis_port_range[TFE_STRING_MAX] = {0};
    char accept_tags[TFE_STRING_MAX] = {0};
    int redis_port_begin = 0, redis_port_end = 0;
    int redis_port_select = 0;
    int redis_db_idx = 0;
    char json_cfg_file[TFE_STRING_MAX] = {0}, maat_stat_file[TFE_STRING_MAX] = {0};

    MESA_load_profile_int_def(profile, section, "maat_input_mode", &(input_mode), 0);
    MESA_load_profile_int_def(profile, section, "stat_switch", &(maat_stat_on), 1);
    MESA_load_profile_int_def(profile, section, "perf_switch", &(maat_perf_on), 1);
    MESA_load_profile_string_def(profile, section, "table_info", table_info, sizeof(table_info), "");
    MESA_load_profile_string_def(profile, section, "accept_tags", accept_tags, sizeof(accept_tags), "");
    MESA_load_profile_string_def(profile, section, "json_cfg_file", json_cfg_file, sizeof(json_cfg_file), "");
    MESA_load_profile_string_def(profile, section, "maat_redis_server", redis_server, sizeof(redis_server), "");
    MESA_load_profile_string_def(profile, section, "maat_redis_port_range", redis_port_range, sizeof(redis_server), "6379");
    MESA_load_profile_int_def(profile, section, "maat_redis_db_index", &(redis_db_idx), 0);
    MESA_load_profile_string_def(profile, section, "inc_cfg_dir", inc_cfg_dir, sizeof(inc_cfg_dir), "");
    MESA_load_profile_string_def(profile, section, "full_cfg_dir", ful_cfg_dir, sizeof(ful_cfg_dir), "");
    MESA_load_profile_string_def(profile, section, "stat_file", maat_stat_file, sizeof(maat_stat_file), "");
    MESA_load_profile_int_def(profile, section, "effect_interval_s", &(effect_interval), 60);

    effect_interval *= 1000; //convert s to ms

    target = Maat_feather(max_thread, table_info, logger);
    Maat_set_feather_opt(target, MAAT_OPT_INSTANCE_NAME, instance_name, strlen(instance_name) + 1);
    switch (input_mode)
    {
    case MAAT_INPUT_JSON:
        if (!strlen(json_cfg_file))
        {
            TFE_LOG_ERROR(logger, "Invalid json_cfg_file, MAAT init failed.");
            goto error_out;
        }

        Maat_set_feather_opt(target, MAAT_OPT_JSON_FILE_PATH, json_cfg_file, strlen(json_cfg_file) + 1);
        break;
    case MAAT_INPUT_REDIS:
        if (!strlen(redis_server))
        {
            TFE_LOG_ERROR(logger, "Invalid maat_redis_server, MAAT init failed.");
            goto error_out;
        }

        ret = sscanf(redis_port_range, "%d-%d", &redis_port_begin, &redis_port_end);
        if (ret == 1)
        {
            redis_port_select = redis_port_begin;
        }
        else if (ret == 2)
        {
            srand(time(NULL));
            redis_port_select = redis_port_begin + rand() % (redis_port_end - redis_port_begin);
        }
        else
        {
            TFE_LOG_ERROR(logger, "Invalid redis port range %s, MAAT init failed.", redis_port_range);

            goto error_out;
        }

        Maat_set_feather_opt(target, MAAT_OPT_REDIS_IP, redis_server, strlen(redis_server) + 1);
        Maat_set_feather_opt(target, MAAT_OPT_REDIS_PORT, &redis_port_select, sizeof(redis_port_select));
        Maat_set_feather_opt(target, MAAT_OPT_REDIS_INDEX, &redis_db_idx, sizeof(redis_db_idx));
        break;
    case MAAT_INPUT_FILE:
        if (!strlen(ful_cfg_dir))
        {
            TFE_LOG_ERROR(logger, "Invalid ful_cfg_dir, MAAT init failed.");
            goto error_out;
        }

        if (!strlen(inc_cfg_dir))
        {
            TFE_LOG_ERROR(logger, "Invalid inc_cfg_dir, MAAT init failed.");
            goto error_out;
        }

        Maat_set_feather_opt(target, MAAT_OPT_FULL_CFG_DIR, ful_cfg_dir, strlen(ful_cfg_dir) + 1);
        Maat_set_feather_opt(target, MAAT_OPT_INC_CFG_DIR, inc_cfg_dir, strlen(inc_cfg_dir) + 1);
        break;
    default:
        TFE_LOG_ERROR(logger, "Invalid MAAT Input Mode: %d.", input_mode);
        goto error_out;
        break;
    }

    Maat_set_feather_opt(target, MAAT_OPT_FOREIGN_CONT_DIR, "./pangu_files", strlen("./pangu_files") + 1);
    if (maat_stat_on)
    {
        Maat_set_feather_opt(target, MAAT_OPT_STAT_FILE_PATH, maat_stat_file, strlen(maat_stat_file) + 1);
        Maat_set_feather_opt(target, MAAT_OPT_STAT_ON, NULL, 0);
        if (maat_perf_on)
        {
            Maat_set_feather_opt(target, MAAT_OPT_PERF_ON, NULL, 0);
        }
    }

    Maat_set_feather_opt(target, MAAT_OPT_EFFECT_INVERVAL_MS, &effect_interval, sizeof(effect_interval));
    Maat_set_feather_opt(target, MAAT_OPT_SCAN_DETAIL, &scan_detail, sizeof(scan_detail));
    if (strlen(accept_tags) > 0)
    {
        Maat_set_feather_opt(target, MAAT_OPT_ACCEPT_TAGS, &accept_tags, sizeof(accept_tags));
    }

    ret = Maat_initiate_feather(target);
    if (ret < 0)
    {
        TFE_LOG_ERROR(logger, "%s MAAT init failed.", __FUNCTION__);
        goto error_out;
    }

    return target;
error_out:
    Maat_burn_feather(target);
    return NULL;
}

int tfe_bussiness_resouce_init()
{
    const char *profile_path = "./conf/pangu/pangu_pxy.conf";
    unsigned int thread_num = tfe_proxy_get_work_thread_count();
    static_maat = create_maat_feather("static", profile_path, "MAAT", thread_num, g_default_logger);
    if (!static_maat)
    {
        return -1;
    }

    dynamic_maat = create_maat_feather("dyn", profile_path, "DYNAMIC_MAAT", thread_num, g_default_logger);
    if (!dynamic_maat)
    {
        return -1;
    }

    return 0;
}

void *tfe_bussiness_resouce_get(enum RESOURCE_TYPE type)
{
    if (type == STATIC_MAAT)
    {
        return static_maat;
    }
    if (type == DYNAMINC_MAAT)
    {
        return dynamic_maat;
    }

    return NULL;
}