From 6b4895ff53b0fe8880dadf7c8d759a63938bbb3e Mon Sep 17 00:00:00 2001 From: Vadim Yanitskiy Date: Wed, 6 Feb 2019 02:29:55 +0700 Subject: gsm/gsm0480: introduce gsm0480_create_release_complete() In OsmoMSC, it's required to be able to specify a particular GSM 04.07 transaction ID for GSM 04.80 Release complete message instead of the hard-coded value, that is used gsm0480_create_ussd_release_complete(). Let's finally deprecate gsm0480_create_ussd_release_complete(), and introduce a new function without USSD prefix, as this message is also used in other "structured" supplementary services. Change-Id: Ie3ac85fcef90a5e532334ba3482804d5305c88d7 --- src/gsm/gsm0480.c | 21 +++++++++++++++++++++ src/gsm/libosmogsm.map | 2 ++ 2 files changed, 23 insertions(+) (limited to 'src') diff --git a/src/gsm/gsm0480.c b/src/gsm/gsm0480.c index b5c98445..9f546cca 100644 --- a/src/gsm/gsm0480.c +++ b/src/gsm/gsm0480.c @@ -921,6 +921,7 @@ struct msgb *gsm0480_create_ussd_notify(int level, const char *text) return msg; } +/*! Deprecated, use gsm0480_create_release_complete() instead. */ struct msgb *gsm0480_create_ussd_release_complete(void) { struct msgb *msg; @@ -936,3 +937,23 @@ struct msgb *gsm0480_create_ussd_release_complete(void) return msg; } + +/*! Create a GSM 04.80 Release complete (see 2.5) message, prefixed + * by GSM 04.08 L3 header with a given transaction ID. + * \param[in] trans_id GSM 04.07 transaction identifier (and TI flag) + * \return message buffer containing the Release complete message + */ +struct msgb *gsm0480_create_release_complete(uint8_t trans_id) +{ + struct msgb *msg; + + msg = gsm0480_msgb_alloc_name("TS 04.80 USSD REL COMPL"); + if (!msg) + return NULL; + + /* Push the L3 header */ + gsm48_push_l3hdr_tid(msg, GSM48_PDISC_NC_SS, + trans_id, GSM0480_MTYPE_RELEASE_COMPLETE); + + return msg; +} diff --git a/src/gsm/libosmogsm.map b/src/gsm/libosmogsm.map index 602c7a63..ae7c0a1d 100644 --- a/src/gsm/libosmogsm.map +++ b/src/gsm/libosmogsm.map @@ -89,6 +89,8 @@ gsm0480_create_unstructuredSS_Notify; gsm0480_create_ussd_resp; gsm0480_create_ussd_notify; gsm0480_create_ussd_release_complete; +gsm0480_create_release_complete; + gsm0480_extract_ie_by_tag; gsm0480_parse_facility_ie; gsm0480_decode_ussd_request; -- cgit v1.2.3