Vadim Yanitskiy | 9201554 | 2018-05-29 21:55:01 +0700 | [diff] [blame] | 1 | module USSD_Helpers { |
| 2 | |
| 3 | /* USSD helpers for composing messages, building on top |
| 4 | * of both L3_Templates and USSD_Templates. |
| 5 | * |
| 6 | * (C) 2018 by Vadim Yanitskiy <axilirator@gmail.com> |
| 7 | * All rights reserved. |
| 8 | * |
| 9 | * Released under the terms of GNU General Public License, Version 2 or |
| 10 | * (at your option) any later version. |
Harald Welte | 34b5a95 | 2019-05-27 11:54:11 +0200 | [diff] [blame] | 11 | * |
| 12 | * SPDX-License-Identifier: GPL-2.0-or-later |
Vadim Yanitskiy | 9201554 | 2018-05-29 21:55:01 +0700 | [diff] [blame] | 13 | */ |
| 14 | |
| 15 | import from General_Types all; |
| 16 | import from TCCEncoding_Functions all; |
| 17 | |
| 18 | import from SS_Templates all; |
| 19 | import from SS_Types all; |
| 20 | |
| 21 | function f_USSD_FACILITY_IE_INVOKE( |
| 22 | integer invoke_id := 1, |
| 23 | SS_Op_Code op_code := SS_OP_CODE_PROCESS_USS_REQ, |
| 24 | charstring ussd_string := "*#100#" |
| 25 | ) return octetstring { |
| 26 | var SS_FacilityInformation facility_ie; |
| 27 | var octetstring ussd_string_enc; |
| 28 | |
| 29 | /* Encode input string with GSM 7-bit encoding */ |
| 30 | ussd_string_enc := f_encGSM7bit(ussd_string); |
| 31 | |
| 32 | /* Encode Facility IE */ |
| 33 | facility_ie := valueof(ts_SS_USSD_FACILITY_INVOKE( |
| 34 | invoke_id := invoke_id, |
| 35 | op_code := op_code, |
| 36 | ussd_dcs := SS_USSD_DEFAULT_DCS, |
| 37 | ussd_string := ussd_string_enc |
| 38 | )); |
| 39 | |
| 40 | return enc_SS_FacilityInformation(facility_ie); |
| 41 | } |
| 42 | |
| 43 | function f_USSD_FACILITY_IE_RETURN_RESULT( |
| 44 | integer invoke_id := 1, |
| 45 | SS_Op_Code op_code := SS_OP_CODE_PROCESS_USS_REQ, |
| 46 | charstring ussd_string := "Lorem Ipsum" |
| 47 | ) return octetstring { |
| 48 | var SS_FacilityInformation facility_ie; |
| 49 | var octetstring ussd_string_enc; |
| 50 | |
| 51 | /* Encode input string with GSM 7-bit encoding */ |
| 52 | ussd_string_enc := f_encGSM7bit(ussd_string); |
| 53 | |
| 54 | /* Encode Facility IE */ |
| 55 | facility_ie := valueof(ts_SS_USSD_FACILITY_RETURN_RESULT( |
| 56 | invoke_id := invoke_id, |
| 57 | op_code := op_code, |
| 58 | ussd_dcs := SS_USSD_DEFAULT_DCS, |
| 59 | ussd_string := ussd_string_enc |
| 60 | )); |
| 61 | |
| 62 | return enc_SS_FacilityInformation(facility_ie); |
| 63 | } |
| 64 | |
Vadim Yanitskiy | c3cb533 | 2018-06-06 05:27:32 +0700 | [diff] [blame] | 65 | function f_USSD_FACILITY_IE_RETURN_ERROR( |
| 66 | integer invoke_id := 1, |
| 67 | SS_Err_Code err_code := SS_ERR_CODE_UNEXPECTED_DATA_VALUE |
| 68 | ) return octetstring { |
| 69 | var SS_FacilityInformation facility_ie; |
| 70 | |
| 71 | /* Encode Facility IE */ |
| 72 | facility_ie := valueof(ts_SS_FACILITY_RETURN_ERROR( |
| 73 | invoke_id := invoke_id, |
| 74 | err_code := err_code |
| 75 | )); |
| 76 | |
| 77 | return enc_SS_FacilityInformation(facility_ie); |
| 78 | } |
| 79 | |
Vadim Yanitskiy | 9201554 | 2018-05-29 21:55:01 +0700 | [diff] [blame] | 80 | } |