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-rw-r--r--src/common/nm_bts_sm_fsm.c145
1 files changed, 145 insertions, 0 deletions
diff --git a/src/common/nm_bts_sm_fsm.c b/src/common/nm_bts_sm_fsm.c
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+++ b/src/common/nm_bts_sm_fsm.c
@@ -0,0 +1,145 @@
+/* NM BTS Site Manager FSM */
+
+/* (C) 2020 by sysmocom - s.m.f.c. GmbH <info@sysmocom.de>
+ * Author: Pau Espin Pedrol <pespin@sysmocom.de>
+ *
+ * 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 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 <errno.h>
+#include <unistd.h>
+#include <inttypes.h>
+
+#include <osmocom/core/fsm.h>
+#include <osmocom/core/tdef.h>
+#include <osmocom/gsm/protocol/gsm_12_21.h>
+
+#include <osmo-bts/logging.h>
+#include <osmo-bts/gsm_data.h>
+#include <osmo-bts/bts_model.h>
+#include <osmo-bts/bts.h>
+#include <osmo-bts/rsl.h>
+#include <osmo-bts/nm_common_fsm.h>
+#include <osmo-bts/phy_link.h>
+
+#define X(s) (1 << (s))
+
+#define nm_bts_sm_fsm_state_chg(fi, NEXT_STATE) \
+ osmo_fsm_inst_state_chg(fi, NEXT_STATE, 0, 0)
+
+//////////////////////////
+// FSM STATE ACTIONS
+//////////////////////////
+
+static void st_op_disabled_notinstalled_on_enter(struct osmo_fsm_inst *fi, uint32_t prev_state)
+{
+ struct gsm_bts_sm *site_mgr = (struct gsm_bts_sm *)fi->priv;
+ site_mgr->mo.opstart_success = false;
+ oml_mo_state_chg(&site_mgr->mo, NM_OPSTATE_DISABLED, NM_AVSTATE_NOT_INSTALLED);
+}
+
+static void st_op_disabled_notinstalled(struct osmo_fsm_inst *fi, uint32_t event, void *data)
+{
+ struct gsm_bts_sm *site_mgr = (struct gsm_bts_sm *)fi->priv;
+
+ switch (event) {
+ case NM_EV_SW_ACT:
+ oml_mo_tx_sw_act_rep(&site_mgr->mo);
+ nm_bts_sm_fsm_state_chg(fi, NM_BTS_SM_ST_OP_DISABLED_OFFLINE);
+ return;
+ default:
+ OSMO_ASSERT(0);
+ }
+}
+
+static void st_op_disabled_offline_on_enter(struct osmo_fsm_inst *fi, uint32_t prev_state)
+{
+ struct gsm_bts_sm *site_mgr = (struct gsm_bts_sm *)fi->priv;
+ site_mgr->mo.opstart_success = false;
+ oml_mo_state_chg(&site_mgr->mo, NM_OPSTATE_DISABLED, NM_AVSTATE_OFF_LINE);
+}
+
+static void st_op_disabled_offline(struct osmo_fsm_inst *fi, uint32_t event, void *data)
+{
+ struct gsm_bts_sm *site_mgr = (struct gsm_bts_sm *)fi->priv;
+
+ switch (event) {
+ case NM_EV_OPSTART_ACK:
+ site_mgr->mo.opstart_success = true;
+ oml_mo_opstart_ack(&site_mgr->mo);
+ nm_bts_sm_fsm_state_chg(fi, NM_BTS_SM_ST_OP_ENABLED);
+ break; /* check statechg below */
+ case NM_EV_OPSTART_NACK:
+ site_mgr->mo.opstart_success = false;
+ oml_mo_opstart_nack(&site_mgr->mo, (int)(intptr_t)data);
+ return;
+ default:
+ OSMO_ASSERT(0);
+ }
+}
+
+static void st_op_enabled_on_enter(struct osmo_fsm_inst *fi, uint32_t prev_state)
+{
+ struct gsm_bts_sm *site_mgr = (struct gsm_bts_sm *)fi->priv;
+ oml_mo_state_chg(&site_mgr->mo, NM_OPSTATE_ENABLED, NM_AVSTATE_OK);
+}
+
+static void st_op_enabled(struct osmo_fsm_inst *fi, uint32_t event, void *data)
+{
+}
+
+static struct osmo_fsm_state nm_bts_sm_fsm_states[] = {
+ [NM_BTS_SM_ST_OP_DISABLED_NOTINSTALLED] = {
+ .in_event_mask =
+ X(NM_EV_SW_ACT),
+ .out_state_mask =
+ X(NM_BTS_SM_ST_OP_DISABLED_OFFLINE),
+ .name = "DISABLED_NOTINSTALLED",
+ .onenter = st_op_disabled_notinstalled_on_enter,
+ .action = st_op_disabled_notinstalled,
+ },
+ [NM_BTS_SM_ST_OP_DISABLED_OFFLINE] = {
+ .in_event_mask =
+ X(NM_EV_OPSTART_ACK) |
+ X(NM_EV_OPSTART_NACK),
+ .out_state_mask =
+ X(NM_BTS_SM_ST_OP_ENABLED),
+ .name = "DISABLED_OFFLINE",
+ .onenter = st_op_disabled_offline_on_enter,
+ .action = st_op_disabled_offline,
+ },
+ [NM_BTS_SM_ST_OP_ENABLED] = {
+ .in_event_mask = 0,
+ .out_state_mask = 0,
+ .name = "ENABLED",
+ .onenter = st_op_enabled_on_enter,
+ .action = st_op_enabled,
+ },
+};
+
+struct osmo_fsm nm_bts_sm_fsm = {
+ .name = "NM_BTS_SM_OP",
+ .states = nm_bts_sm_fsm_states,
+ .num_states = ARRAY_SIZE(nm_bts_sm_fsm_states),
+ .event_names = nm_fsm_event_names,
+ .log_subsys = DOML,
+};
+
+static __attribute__((constructor)) void nm_bts_sm_fsm_init(void)
+{
+ OSMO_ASSERT(osmo_fsm_register(&nm_bts_sm_fsm) == 0);
+}