bsc: Move transaction.c from the libbsc to the libmsc

The BSC code does not use transactions, move it to the libmsc.

2 files changed, 0 insertions, 153 deletions

diff --git a/openbsc/src/libbsc/Makefile.am b/openbsc/src/libbsc/Makefile.am
index 39c2972d3..70f6c1c14 100644
--- a/openbsc/src/libbsc/Makefile.am
+++ b/openbsc/src/libbsc/Makefile.am
@@ -18,7 +18,6 @@ libbsc_a_SOURCES =	abis_nm.c abis_nm_vty.c \
 			handover_decision.c handover_logic.c meas_rep.c \
 			rest_octets.c system_information.c \
 			e1_config.c \
-			transaction.c \
 			bsc_api.c bsc_msc.c bsc_vty.c \
 			gsm_04_08_utils.c \
 			bsc_init.c
diff --git a/openbsc/src/libbsc/transaction.c b/openbsc/src/libbsc/transaction.c
deleted file mode 100644
index 0c72c03ee..000000000
--- a/openbsc/src/libbsc/transaction.c
+++ /dev/null
@@ -1,152 +0,0 @@
-/* GSM 04.07 Transaction handling */
-
-/* (C) 2009 by Harald Welte <laforge@gnumonks.org>
- * All Rights Reserved
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU Affero General Public License as published by
- * the Free Software Foundation; either version 3 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU Affero General Public License for more details.
- *
- * You should have received a copy of the GNU Affero General Public License
- * along with this program.  If not, see <http://www.gnu.org/licenses/>.
- *
- */
-
-#include <openbsc/transaction.h>
-#include <openbsc/gsm_data.h>
-#include <openbsc/mncc.h>
-#include <openbsc/debug.h>
-#include <osmocom/core/talloc.h>
-#include <openbsc/gsm_subscriber.h>
-#include <openbsc/gsm_04_08.h>
-#include <openbsc/mncc.h>
-#include <openbsc/paging.h>
-#include <openbsc/osmo_msc.h>
-
-void *tall_trans_ctx;
-
-void _gsm48_cc_trans_free(struct gsm_trans *trans);
-
-struct gsm_trans *trans_find_by_id(struct gsm_subscriber *subscr,
-				   uint8_t proto, uint8_t trans_id)
-{
-	struct gsm_trans *trans;
-	struct gsm_network *net = subscr->net;
-
-	llist_for_each_entry(trans, &net->trans_list, entry) {
-		if (trans->subscr == subscr &&
-		    trans->protocol == proto &&
-		    trans->transaction_id == trans_id)
-			return trans;
-	}
-	return NULL;
-}
-
-struct gsm_trans *trans_find_by_callref(struct gsm_network *net,
-					uint32_t callref)
-{
-	struct gsm_trans *trans;
-
-	llist_for_each_entry(trans, &net->trans_list, entry) {
-		if (trans->callref == callref)
-			return trans;
-	}
-	return NULL;
-}
-
-struct gsm_trans *trans_alloc(struct gsm_subscriber *subscr,
-			      uint8_t protocol, uint8_t trans_id,
-			      uint32_t callref)
-{
-	struct gsm_trans *trans;
-
-	DEBUGP(DCC, "subscr=%p, subscr->net=%p\n", subscr, subscr->net);
-
-	trans = talloc_zero(tall_trans_ctx, struct gsm_trans);
-	if (!trans)
-		return NULL;
-
-	trans->subscr = subscr;
-	subscr_get(trans->subscr);
-
-	trans->protocol = protocol;
-	trans->transaction_id = trans_id;
-	trans->callref = callref;
-
-	llist_add_tail(&trans->entry, &subscr->net->trans_list);
-
-	return trans;
-}
-
-void trans_free(struct gsm_trans *trans)
-{
-	switch (trans->protocol) {
-	case GSM48_PDISC_CC:
-		_gsm48_cc_trans_free(trans);
-		break;
-	case GSM48_PDISC_SMS:
-		_gsm411_sms_trans_free(trans);
-		break;
-	}
-
-	/* FIXME: implement a sane way to stop this. */
-	if (!trans->conn && trans->paging_request) {
-		LOGP(DNM, LOGL_ERROR,
-		     "Transaction freed while paging for sub: %llu\n",
-		     trans->subscr->id);
-		trans->paging_request = NULL;
-	}
-
-	if (trans->subscr)
-		subscr_put(trans->subscr);
-
-	llist_del(&trans->entry);
-
-	if (trans->conn)
-		msc_release_connection(trans->conn);
-
-
-	talloc_free(trans);
-}
-
-/* allocate an unused transaction ID for the given subscriber
- * in the given protocol using the ti_flag specified */
-int trans_assign_trans_id(struct gsm_subscriber *subscr,
-			  uint8_t protocol, uint8_t ti_flag)
-{
-	struct gsm_network *net = subscr->net;
-	struct gsm_trans *trans;
-	unsigned int used_tid_bitmask = 0;
-	int i, j, h;
-
-	if (ti_flag)
-		ti_flag = 0x8;
-
-	/* generate bitmask of already-used TIDs for this (subscr,proto) */
-	llist_for_each_entry(trans, &net->trans_list, entry) {
-		if (trans->subscr != subscr ||
-		    trans->protocol != protocol ||
-		    trans->transaction_id == 0xff)
-			continue;
-		used_tid_bitmask |= (1 << trans->transaction_id);
-	}
-
-	/* find a new one, trying to go in a 'circular' pattern */
-	for (h = 6; h > 0; h--)
-		if (used_tid_bitmask & (1 << (h | ti_flag)))
-			break;
-	for (i = 0; i < 7; i++) {
-		j = ((h + i) % 7) | ti_flag;
-		if ((used_tid_bitmask & (1 << j)) == 0)
-			return j;
-	}
-
-	return -1;
-}
-