gsm0480.h

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#pragma once
 
#include <osmocom/core/defs.h>
#include <osmocom/core/msgb.h>
#include <osmocom/gsm/protocol/gsm_04_08.h>
#include <osmocom/gsm/protocol/gsm_04_80.h>
 
extern const struct value_string gsm0480_comp_type_names[];
static inline const char *gsm0480_comp_type_name(uint8_t comp_type) {
        return get_value_string(gsm0480_comp_type_names, comp_type);
}
 
extern const struct value_string gsm0480_op_code_names[];
static inline const char *gsm0480_op_code_name(uint8_t op_code) {
        return get_value_string(gsm0480_op_code_names, op_code);
}
 
#define GSM0480_USSD_OCTET_STRING_LEN   160
 
#define GSM0480_USSD_7BIT_STRING_LEN    182
 
#define MAX_LEN_USSD_STRING             31
 
/* deprecated */
struct ussd_request {
        char text[MAX_LEN_USSD_STRING + 1];
        uint8_t transaction_id;
        uint8_t invoke_id;
};
 
/* deprecated */
int gsm0480_decode_ussd_request(const struct gsm48_hdr *hdr, uint16_t len,
                                struct ussd_request *request) OSMO_DEPRECATED("Use gsm0480_decode_ss_request() instead");
 
struct ss_request {
        uint8_t opcode;
        uint8_t ss_code;
 
        uint8_t ussd_text[GSM0480_USSD_OCTET_STRING_LEN];
 
        uint8_t ussd_data[GSM0480_USSD_OCTET_STRING_LEN];
        uint8_t ussd_data_len; /* Length in bytes */
        uint8_t ussd_data_dcs; /* Data Coding Scheme */
 
        uint8_t transaction_id;
        uint8_t invoke_id;
};
 
int gsm0480_extract_ie_by_tag(const struct gsm48_hdr *hdr, uint16_t msg_len,
                              uint8_t **ie, uint16_t *ie_len, uint8_t ie_tag);
int gsm0480_parse_facility_ie(const uint8_t *facility_ie, uint16_t length,
                              struct ss_request *req);
int gsm0480_decode_ss_request(const struct gsm48_hdr *hdr, uint16_t len,
                                struct ss_request *request);
 
struct msgb *gsm0480_msgb_alloc_name(const char *name);
struct msgb *gsm0480_gen_ussd_resp_7bit(uint8_t invoke_id, const char *text);
struct msgb *gsm0480_gen_return_error(uint8_t invoke_id, uint8_t error_code);
struct msgb *gsm0480_gen_reject(int invoke_id, uint8_t problem_tag, uint8_t problem_code);
 
struct msgb *gsm0480_create_ussd_resp(uint8_t invoke_id, uint8_t trans_id, const char *text);
struct msgb *gsm0480_create_unstructuredSS_Notify(int alertPattern, const char *text);
struct msgb *gsm0480_create_notifySS(const char *text);
struct msgb *gsm0480_create_ussd_notify(int level, const char *text);
struct msgb *gsm0480_create_ussd_release_complete(void)
        OSMO_DEPRECATED("Use gsm0480_create_release_complete() instead.");
struct msgb *gsm0480_create_release_complete(uint8_t trans_id);
 
int gsm0480_wrap_invoke(struct msgb *msg, int op, int link_id);
int gsm0480_wrap_facility(struct msgb *msg);