#ifndef __S6A_APP_H__
#define __S6A_APP_H__

#include "core_errno.h"

#include "freeDiameter/freeDiameter-host.h"
#include "freeDiameter/libfdcore.h"
#include "freeDiameter/extension.h"

#ifdef __cplusplus
extern "C" {
#endif /* __cplusplus */

/* Mode for the extension */
#define	MODE_MME 0x1
#define MODE_HSS 0x2

struct s6a_config_t {
    /* Diameter Identity of the local peer (FQDN -- ASCII) */
	char *cnf_diamid; 
    /* Diameter realm of the local peer, default to realm part of cnf_diamid */
	char *cnf_diamrlm; 

    /* the local port for legacy Diameter (default: 3868) in host byte order */
	c_uint16_t cnf_port;
    /* the local port for Diameter/TLS (default: 5658) in host byte order */
	c_uint16_t cnf_port_tls;

    /* (supposedly) UTF-8, \0 terminated. 
     * The Diameter Identity of the remote peer. */
	char *pi_diamid; 
    c_uint16_t pic_port; /* port to connect to. 0: default. */
    
    c_uint32_t vendor_id;    /* default 999999 */
    c_uint32_t appli_id;    /* default 123456 */
    int mode;        /* default MODE_SERV | MODE_CLI */
    char *dest_realm;    /* default local realm */
    char *dest_host;    /* default NULL */
    char *user_name;    /* default NULL */
    struct ta_stats {
        c_uint64_t nb_echoed; /* server */
        c_uint64_t nb_sent;   /* client */
        c_uint64_t nb_recv;   /* client */
        c_uint64_t nb_errs;   /* client */
    } stats;

    pthread_mutex_t stats_lock;
};

extern struct s6a_config_t *s6a_config;
extern struct session_handler *s6a_mme_reg;

/* Some global variables for dictionary */
extern struct dict_object *s6a_vendor;
extern struct dict_object *s6a_appli;

extern struct dict_object *s6a_cmd_air;
extern struct dict_object *s6a_cmd_aia;
extern struct dict_object *s6a_cmd_ulr;
extern struct dict_object *s6a_cmd_ula;
extern struct dict_object *s6a_cmd_pur;
extern struct dict_object *s6a_cmd_pua;
extern struct dict_object *s6a_cmd_clr;
extern struct dict_object *s6a_cmd_cla;

extern struct dict_object *s6a_origin_host;
extern struct dict_object *s6a_origin_realm;
extern struct dict_object *s6a_destination_host;
extern struct dict_object *s6a_destination_realm;
extern struct dict_object *s6a_user_name;
extern struct dict_object *s6a_session_id;
extern struct dict_object *s6a_auth_session_state;
extern struct dict_object *s6a_result_code;
extern struct dict_object *s6a_experimental_result;
extern struct dict_object *s6a_vendor_id;
extern struct dict_object *s6a_experimental_result_code;

extern struct dict_object *s6a_visited_plmn_id;
extern struct dict_object *s6a_rat_type;
extern struct dict_object *s6a_ulr_flags;
extern struct dict_object *s6a_ula_flags;
extern struct dict_object *s6a_subscription_data;
extern struct dict_object *s6a_req_eutran_auth_info;
extern struct dict_object *s6a_number_of_requested_vectors;
extern struct dict_object *s6a_immediate_response_pref;
extern struct dict_object *s6a_authentication_info;
extern struct dict_object *s6a_re_synchronization_info;
extern struct dict_object *s6a_service_selection;
extern struct dict_object *s6a_ue_srvcc_cap;
extern struct dict_object *s6a_imsi;
extern struct dict_object *s6a_imei;
extern struct dict_object *s6a_software_version;
extern struct dict_object *s6a_supported_features;
extern struct dict_object *s6a_req_e_utran_auth_info;
extern struct dict_object *s6a_req_resync_info;
extern struct dict_object *s6a_req_nb_of_req_vectors;
extern struct dict_object *s6a_req_geran_auth_info;
extern struct dict_object *s6a_immediate_response_pref;
extern struct dict_object *s6a_e_utran_vector;
extern struct dict_object *s6a_rand;
extern struct dict_object *s6a_xres;
extern struct dict_object *s6a_autn;
extern struct dict_object *s6a_kasme;
extern struct dict_object *s6a_pur_flags;
extern struct dict_object *s6a_pua_flags;
extern struct dict_object *s6a_terminal_info;
extern struct dict_object *s6a_gmlc_addr;
extern struct dict_object *s6a_subscriber_status;
extern struct dict_object *s6a_msisdn;
extern struct dict_object *s6a_ambr;
extern struct dict_object *s6a_network_access_mode;
extern struct dict_object *s6a_access_restriction_data;
extern struct dict_object *s6a_apn_configuration_profile;
extern struct dict_object *s6a_subscribed_rau_tau_timer;
extern struct dict_object *s6a_context_identifier;
extern struct dict_object *s6a_all_apn_conf_inc_ind;
extern struct dict_object *s6a_apn_configuration;
extern struct dict_object *s6a_max_bandwidth_ul;
extern struct dict_object *s6a_max_bandwidth_dl;
extern struct dict_object *s6a_pdn_type;
extern struct dict_object *s6a_eps_subscribed_qos_profile;
extern struct dict_object *s6a_qos_class_identifier;
extern struct dict_object *s6a_allocation_retention_priority;
extern struct dict_object *s6a_priority_level;
extern struct dict_object *s6a_pre_emption_capability;
extern struct dict_object *s6a_pre_emption_vulnerability;
extern struct dict_object *s6a_served_party_ip_addr;

CORE_DECLARE(int) s6a_init(void);
CORE_DECLARE(void) s6a_final(void);

CORE_DECLARE(int) s6a_fd_init(const char *conffile);
CORE_DECLARE(void) s6a_fd_final();

CORE_DECLARE(int) s6a_app_init(int mode);
CORE_DECLARE(void) s6a_app_final(void);

CORE_DECLARE(int) s6a_hss_init(void);
CORE_DECLARE(void) s6a_hss_final(void);
CORE_DECLARE(int) s6a_mme_init(void);
CORE_DECLARE(void) s6a_mme_final(void);

CORE_DECLARE(char *) s6a_hss_config();
CORE_DECLARE(char *) s6a_mme_config();
CORE_DECLARE(status_t) s6a_config_apply();

CORE_DECLARE(int) s6a_dict_init(void);

#ifdef __cplusplus
}
#endif /* __cplusplus */

#endif /* ! __S6A_APP_H__ */