Harald Welte | 24173fb | 2018-08-24 20:37:28 +0200 | [diff] [blame] | 1 | #include <stdint.h> |
| 2 | #include <string.h> |
| 3 | #include <errno.h> |
| 4 | |
| 5 | #include <talloc.h> |
| 6 | |
| 7 | #include <osmocom/core/logging.h> |
| 8 | #include <osmocom/core/utils.h> |
| 9 | #include <osmocom/core/msgb.h> |
| 10 | #include <osmocom/core/fsm.h> |
| 11 | |
| 12 | #include <osmocom/abis/ipa.h> |
| 13 | #include <osmocom/gsm/protocol/ipaccess.h> |
| 14 | |
| 15 | #include "client.h" |
| 16 | #include "rspro_util.h" |
| 17 | |
| 18 | #define S(x) (1 << (x)) |
| 19 | |
| 20 | static void bankd_updown_cb(struct ipa_client_conn *conn, int up) |
| 21 | { |
| 22 | struct bankd_client *bc = conn->data; |
| 23 | |
| 24 | printf("RSPRO link to %s:%d %s\n", conn->addr, conn->port, up ? "UP" : "DOWN"); |
| 25 | |
| 26 | osmo_fsm_inst_dispatch(bc->bankd_fi, up ? BDC_E_TCP_UP: BDC_E_TCP_DOWN, 0); |
| 27 | } |
| 28 | |
| 29 | /*********************************************************************** |
| 30 | * bankd connection FSM |
| 31 | ***********************************************************************/ |
| 32 | |
| 33 | enum bankd_conn_fsm_state { |
| 34 | /* waiting for initial connectiong to remsim-bankd */ |
| 35 | BDC_ST_INIT, |
| 36 | /* bankd connection established, waiting for ClientConnectRes */ |
| 37 | BDC_ST_ESTABLISHED, |
| 38 | /* bankd connection etsablished, ClientConnect succeeded */ |
| 39 | BDC_ST_CONNECTED, |
| 40 | /* connection lost, we're waiting for a re-establish */ |
| 41 | BDC_ST_REESTABLISH, |
| 42 | }; |
| 43 | |
| 44 | static const struct value_string remsim_client_bankd_fsm_event_names[] = { |
| 45 | OSMO_VALUE_STRING(BDC_E_TCP_UP), |
| 46 | OSMO_VALUE_STRING(BDC_E_TCP_DOWN), |
| 47 | OSMO_VALUE_STRING(BDC_E_CLIENT_CONN_RES), |
| 48 | { 0, NULL } |
| 49 | }; |
| 50 | |
| 51 | #define T1_WAIT_CLIENT_CONN_RES 10 |
| 52 | #define T2_RECONNECT 10 |
| 53 | |
| 54 | |
| 55 | static void bdc_st_init_onenter(struct osmo_fsm_inst *fi, uint32_t prev_state) |
| 56 | { |
| 57 | struct bankd_client *bc = (struct bankd_client *) fi->priv; |
| 58 | int rc; |
| 59 | |
| 60 | printf("onenter\n"); |
| 61 | bc->bankd_conn = ipa_client_conn_create(bc, NULL, 0, bc->bankd_host, bc->bankd_port, |
| 62 | bankd_updown_cb, bankd_read_cb, NULL, bc); |
| 63 | if (!bc->bankd_conn) { |
| 64 | fprintf(stderr, "Unable to create socket: %s\n", strerror(errno)); |
| 65 | exit(1); |
| 66 | } |
| 67 | /* Attempt to connect TCP socket */ |
| 68 | rc = ipa_client_conn_open(bc->bankd_conn); |
| 69 | if (rc < 0) { |
| 70 | fprintf(stderr, "Unable to connect: %s\n", strerror(errno)); |
| 71 | exit(1); |
| 72 | } |
| 73 | } |
| 74 | |
| 75 | static void bdc_st_init(struct osmo_fsm_inst *fi, uint32_t event, void *data) |
| 76 | { |
| 77 | switch (event) { |
| 78 | case BDC_E_TCP_UP: |
| 79 | osmo_fsm_inst_state_chg(fi, BDC_ST_ESTABLISHED, T1_WAIT_CLIENT_CONN_RES, 1); |
| 80 | break; |
Harald Welte | 52cc7db | 2018-09-24 11:51:51 +0200 | [diff] [blame] | 81 | case BDC_E_TCP_DOWN: |
| 82 | osmo_fsm_inst_state_chg(fi, BDC_ST_REESTABLISH, T2_RECONNECT, 2); |
| 83 | break; |
Harald Welte | 24173fb | 2018-08-24 20:37:28 +0200 | [diff] [blame] | 84 | default: |
| 85 | OSMO_ASSERT(0); |
| 86 | } |
| 87 | } |
| 88 | |
| 89 | static void bdc_st_established_onenter(struct osmo_fsm_inst *fi, uint32_t prev_state) |
| 90 | { |
| 91 | struct bankd_client *bc = (struct bankd_client *) fi->priv; |
| 92 | RsproPDU_t *pdu; |
| 93 | |
| 94 | /* FIXME: Send ClientConnReq */ |
Kévin Redon | c3a9a0e | 2018-10-10 00:36:46 +0200 | [diff] [blame] | 95 | pdu = rspro_gen_ConnectClientReq(&bc->own_comp_id, bc->clslot); |
Harald Welte | f29e0d0 | 2018-08-24 21:42:22 +0200 | [diff] [blame] | 96 | ipa_client_conn_send_rspro(bc->bankd_conn, pdu); |
Harald Welte | 24173fb | 2018-08-24 20:37:28 +0200 | [diff] [blame] | 97 | } |
| 98 | |
| 99 | static void bdc_st_established(struct osmo_fsm_inst *fi, uint32_t event, void *data) |
| 100 | { |
| 101 | switch (event) { |
| 102 | case BDC_E_TCP_DOWN: |
| 103 | osmo_fsm_inst_state_chg(fi, BDC_ST_REESTABLISH, T2_RECONNECT, 2); |
| 104 | break; |
| 105 | case BDC_E_CLIENT_CONN_RES: |
| 106 | /* somehow notify the main code? */ |
| 107 | osmo_fsm_inst_state_chg(fi, BDC_ST_CONNECTED, 0, 0); |
| 108 | break; |
| 109 | default: |
| 110 | OSMO_ASSERT(0); |
| 111 | } |
| 112 | } |
| 113 | |
| 114 | static void bdc_st_connected(struct osmo_fsm_inst *fi, uint32_t event, void *data) |
| 115 | { |
| 116 | switch (event) { |
| 117 | case BDC_E_TCP_DOWN: |
| 118 | osmo_fsm_inst_state_chg(fi, BDC_ST_REESTABLISH, T2_RECONNECT, 2); |
| 119 | break; |
| 120 | default: |
| 121 | OSMO_ASSERT(0); |
| 122 | } |
| 123 | } |
| 124 | |
| 125 | static void bdc_st_reestablish_onenter(struct osmo_fsm_inst *fi, uint32_t prev_state) |
| 126 | { |
| 127 | struct bankd_client *bc = (struct bankd_client *) fi->priv; |
| 128 | int rc; |
| 129 | |
| 130 | /* Attempt to connect TCP socket */ |
| 131 | rc = ipa_client_conn_open(bc->bankd_conn); |
| 132 | if (rc < 0) { |
| 133 | fprintf(stderr, "Unable to connect RSPRO to %s:%d - %s\n", |
| 134 | bc->bankd_conn->addr, bc->bankd_conn->port, strerror(errno)); |
| 135 | /* FIXME: retry? Timer? Abort? */ |
| 136 | OSMO_ASSERT(0); |
| 137 | } |
| 138 | } |
| 139 | |
| 140 | static void bdc_st_reestablish(struct osmo_fsm_inst *fi, uint32_t event, void *data) |
| 141 | { |
| 142 | switch (event) { |
| 143 | case BDC_E_TCP_UP: |
| 144 | osmo_fsm_inst_state_chg(fi, BDC_ST_ESTABLISHED, T1_WAIT_CLIENT_CONN_RES, 1); |
| 145 | break; |
Harald Welte | 52cc7db | 2018-09-24 11:51:51 +0200 | [diff] [blame] | 146 | case BDC_E_TCP_DOWN: |
| 147 | /* wait for normal T2 timeout */ |
| 148 | break; |
Harald Welte | 24173fb | 2018-08-24 20:37:28 +0200 | [diff] [blame] | 149 | default: |
| 150 | OSMO_ASSERT(0); |
| 151 | } |
| 152 | } |
| 153 | |
| 154 | static int remsim_client_bankd_fsm_timer_cb(struct osmo_fsm_inst *fi) |
| 155 | { |
Harald Welte | 52cc7db | 2018-09-24 11:51:51 +0200 | [diff] [blame] | 156 | switch (fi->T) { |
| 157 | case 2: |
| 158 | osmo_fsm_inst_state_chg(fi, BDC_ST_REESTABLISH, T2_RECONNECT, 2); |
| 159 | break; |
| 160 | case 1: |
| 161 | /* FIXME: close connection and re-start */ |
| 162 | break; |
| 163 | default: |
| 164 | OSMO_ASSERT(0); |
| 165 | } |
Harald Welte | 24173fb | 2018-08-24 20:37:28 +0200 | [diff] [blame] | 166 | return 0; |
| 167 | } |
| 168 | |
| 169 | static const struct osmo_fsm_state bankd_conn_fsm_states[] = { |
| 170 | [BDC_ST_INIT] = { |
| 171 | .name = "INIT", |
Harald Welte | 52cc7db | 2018-09-24 11:51:51 +0200 | [diff] [blame] | 172 | .in_event_mask = S(BDC_E_TCP_UP) | S(BDC_E_TCP_DOWN), |
| 173 | .out_state_mask = S(BDC_ST_ESTABLISHED) | S(BDC_ST_REESTABLISH), |
Harald Welte | 24173fb | 2018-08-24 20:37:28 +0200 | [diff] [blame] | 174 | .action = bdc_st_init, |
| 175 | }, |
| 176 | [BDC_ST_ESTABLISHED] = { |
| 177 | .name = "ESTABLISHED", |
| 178 | .in_event_mask = S(BDC_E_TCP_DOWN) | S(BDC_E_CLIENT_CONN_RES), |
| 179 | .out_state_mask = S(BDC_ST_CONNECTED) | S(BDC_ST_REESTABLISH), |
| 180 | .action = bdc_st_established, |
| 181 | .onenter = bdc_st_established_onenter, |
| 182 | }, |
| 183 | [BDC_ST_CONNECTED] = { |
| 184 | .name = "CONNECTED", |
| 185 | .in_event_mask = S(BDC_E_TCP_DOWN), |
| 186 | .out_state_mask = S(BDC_ST_REESTABLISH), |
| 187 | .action = bdc_st_connected, |
| 188 | }, |
| 189 | [BDC_ST_REESTABLISH] = { |
| 190 | .name = "REESTABLISH", |
Harald Welte | 52cc7db | 2018-09-24 11:51:51 +0200 | [diff] [blame] | 191 | .in_event_mask = S(BDC_E_TCP_UP) | S(BDC_E_TCP_DOWN), |
| 192 | .out_state_mask = S(BDC_ST_ESTABLISHED) | S(BDC_ST_REESTABLISH), |
Harald Welte | 24173fb | 2018-08-24 20:37:28 +0200 | [diff] [blame] | 193 | .action = bdc_st_reestablish, |
| 194 | .onenter = bdc_st_reestablish_onenter, |
| 195 | }, |
| 196 | }; |
| 197 | |
| 198 | struct osmo_fsm remsim_client_bankd_fsm = { |
| 199 | .name = "BANKD_CONN", |
| 200 | .states = bankd_conn_fsm_states, |
| 201 | .num_states = ARRAY_SIZE(bankd_conn_fsm_states), |
| 202 | .timer_cb = remsim_client_bankd_fsm_timer_cb, |
| 203 | .log_subsys = DMAIN, |
| 204 | .event_names = remsim_client_bankd_fsm_event_names, |
| 205 | }; |
| 206 | |
| 207 | int bankd_conn_fsm_alloc(struct bankd_client *bc) |
| 208 | { |
| 209 | struct osmo_fsm_inst *fi; |
| 210 | |
| 211 | fi = osmo_fsm_inst_alloc(&remsim_client_bankd_fsm, bc, bc, LOGL_DEBUG, "bankd"); |
| 212 | if (!fi) |
| 213 | return -1; |
| 214 | |
| 215 | bc->bankd_fi = fi; |
| 216 | /* onenter of the initial state is not automatically executed by osmo_fsm :( */ |
| 217 | bdc_st_init_onenter(fi, 0); |
| 218 | return 0; |
| 219 | } |
| 220 | |
| 221 | /*********************************************************************** |
| 222 | * server connection FSM |
| 223 | ***********************************************************************/ |
| 224 | |
| 225 | enum server_conn_fsm_state { |
| 226 | /* waiting for initial connectiong to remsim-server */ |
| 227 | SRVC_ST_INIT, |
| 228 | /* server connection established, waiting for ClientConnectRes */ |
| 229 | SRVC_ST_ESTABLISHED, |
| 230 | /* server connection etsablished, ClientConnect succeeded */ |
| 231 | SRVC_ST_CONNECTED, |
| 232 | /* connection lost, we're waiting for a re-establish */ |
| 233 | SRVC_ST_REESTABLISH, |
| 234 | }; |
| 235 | |
| 236 | static const struct value_string server_conn_fsm_event_names[] = { |
| 237 | OSMO_VALUE_STRING(SRVC_E_TCP_UP), |
| 238 | OSMO_VALUE_STRING(SRVC_E_TCP_DOWN), |
| 239 | OSMO_VALUE_STRING(SRVC_E_CLIENT_CONN_RES), |
| 240 | { 0, NULL } |
| 241 | }; |
| 242 | |
Harald Welte | 84ba234 | 2018-08-24 22:20:20 +0200 | [diff] [blame] | 243 | /* representing a client-side connection to a RSPRO server */ |
| 244 | struct rspro_server_conn { |
| 245 | /* state */ |
| 246 | struct ipa_client_conn *conn; |
| 247 | struct osmo_fsm_inst *fi; |
| 248 | |
| 249 | /* our own component ID */ |
| 250 | struct app_comp_id own_comp_id; |
| 251 | |
| 252 | /* configuration */ |
| 253 | char *server_host; |
| 254 | uint16_t server_port; |
| 255 | }; |
| 256 | |
| 257 | static void srvc_updown_cb(struct ipa_client_conn *conn, int up) |
| 258 | { |
| 259 | struct rspro_server_conn *srvc = conn->data; |
| 260 | |
| 261 | printf("RSPRO link to %s:%d %s\n", conn->addr, conn->port, up ? "UP" : "DOWN"); |
| 262 | |
| 263 | osmo_fsm_inst_dispatch(srvc->fi, up ? SRVC_E_TCP_UP: SRVC_E_TCP_DOWN, 0); |
| 264 | } |
| 265 | |
| 266 | static int srvc_read_cb(struct ipa_client_conn *conn, struct msgb *msg) |
| 267 | { |
| 268 | struct ipaccess_head *hh = (struct ipaccess_head *) msg->data; |
| 269 | struct ipaccess_head_ext *he = (struct ipaccess_head_ext *) msgb_l2(msg); |
| 270 | struct rspro_server_conn *srvc = conn->data; |
| 271 | int rc; |
| 272 | |
| 273 | if (msgb_length(msg) < sizeof(*hh)) |
| 274 | goto invalid; |
| 275 | msg->l2h = &hh->data[0]; |
| 276 | if (hh->proto != IPAC_PROTO_OSMO) |
| 277 | goto invalid; |
| 278 | if (!he || msgb_l2len(msg) < sizeof(*he)) |
| 279 | goto invalid; |
| 280 | msg->l2h = &he->data[0]; |
| 281 | |
| 282 | if (he->proto != IPAC_PROTO_EXT_RSPRO) |
| 283 | goto invalid; |
| 284 | |
| 285 | printf("Received RSPRO %s\n", msgb_hexdump(msg)); |
| 286 | #if 0 |
| 287 | rc = bankd_handle_msg(srvc, msg); |
| 288 | msgb_free(msg); |
| 289 | |
| 290 | return rc; |
| 291 | #endif |
| 292 | |
| 293 | invalid: |
| 294 | msgb_free(msg); |
| 295 | return -1; |
| 296 | } |
| 297 | |
| 298 | |
| 299 | static void srvc_st_init_onenter(struct osmo_fsm_inst *fi, uint32_t prev_state) |
| 300 | { |
| 301 | struct rspro_server_conn *srvc = (struct rspro_server_conn *) fi->priv; |
| 302 | int rc; |
| 303 | |
| 304 | srvc->conn = ipa_client_conn_create(srvc, NULL, 0, srvc->server_host, srvc->server_port, |
| 305 | srvc_updown_cb, srvc_read_cb, NULL, srvc); |
| 306 | if (!srvc->conn) { |
| 307 | fprintf(stderr, "Unable to create socket: %s\n", strerror(errno)); |
| 308 | /* FIXME */ |
| 309 | } |
| 310 | /* Attempt to connect TCP socket */ |
| 311 | rc = ipa_client_conn_open(srvc->conn); |
| 312 | if (rc < 0) { |
| 313 | fprintf(stderr, "Unable to connect: %s\n", strerror(errno)); |
| 314 | /* FIXME */ |
| 315 | } |
| 316 | } |
Harald Welte | 24173fb | 2018-08-24 20:37:28 +0200 | [diff] [blame] | 317 | |
| 318 | static void srvc_st_init(struct osmo_fsm_inst *fi, uint32_t event, void *data) |
| 319 | { |
Harald Welte | 84ba234 | 2018-08-24 22:20:20 +0200 | [diff] [blame] | 320 | switch (event) { |
| 321 | case SRVC_E_TCP_UP: |
| 322 | osmo_fsm_inst_state_chg(fi, SRVC_ST_ESTABLISHED, T1_WAIT_CLIENT_CONN_RES, 1); |
| 323 | break; |
Harald Welte | 52cc7db | 2018-09-24 11:51:51 +0200 | [diff] [blame] | 324 | case SRVC_E_TCP_DOWN: |
| 325 | osmo_fsm_inst_state_chg(fi, SRVC_ST_REESTABLISH, T2_RECONNECT, 2); |
| 326 | break; |
Harald Welte | 84ba234 | 2018-08-24 22:20:20 +0200 | [diff] [blame] | 327 | default: |
| 328 | OSMO_ASSERT(0); |
| 329 | } |
| 330 | } |
| 331 | |
| 332 | static void srvc_st_established_onenter(struct osmo_fsm_inst *fi, uint32_t prev_state) |
| 333 | { |
| 334 | struct rspro_server_conn *srvc = (struct rspro_server_conn *) fi->priv; |
| 335 | RsproPDU_t *pdu; |
| 336 | |
| 337 | /* FIXME: Bankd in case of Bankd connection! */ |
| 338 | pdu = rspro_gen_ConnectClientReq(&srvc->own_comp_id, NULL); |
| 339 | ipa_client_conn_send_rspro(srvc->conn, pdu); |
Harald Welte | 24173fb | 2018-08-24 20:37:28 +0200 | [diff] [blame] | 340 | } |
| 341 | |
| 342 | static void srvc_st_established(struct osmo_fsm_inst *fi, uint32_t event, void *data) |
| 343 | { |
Harald Welte | 84ba234 | 2018-08-24 22:20:20 +0200 | [diff] [blame] | 344 | switch (event) { |
| 345 | case SRVC_E_TCP_DOWN: |
| 346 | osmo_fsm_inst_state_chg(fi, SRVC_ST_REESTABLISH, T2_RECONNECT, 2); |
| 347 | break; |
| 348 | case SRVC_E_CLIENT_CONN_RES: |
| 349 | /* somehow notify the main code? */ |
| 350 | osmo_fsm_inst_state_chg(fi, SRVC_ST_CONNECTED, 0, 0); |
| 351 | break; |
| 352 | default: |
| 353 | OSMO_ASSERT(0); |
| 354 | } |
Harald Welte | 24173fb | 2018-08-24 20:37:28 +0200 | [diff] [blame] | 355 | } |
| 356 | |
| 357 | static void srvc_st_connected(struct osmo_fsm_inst *fi, uint32_t event, void *data) |
| 358 | { |
Harald Welte | 84ba234 | 2018-08-24 22:20:20 +0200 | [diff] [blame] | 359 | switch (event) { |
| 360 | case SRVC_E_TCP_DOWN: |
| 361 | osmo_fsm_inst_state_chg(fi, SRVC_ST_REESTABLISH, T2_RECONNECT, 2); |
| 362 | break; |
| 363 | default: |
| 364 | OSMO_ASSERT(0); |
| 365 | } |
| 366 | } |
| 367 | |
| 368 | static void srvc_st_reestablish_onenter(struct osmo_fsm_inst *fi, uint32_t prev_state) |
| 369 | { |
| 370 | struct rspro_server_conn *srvc = (struct rspro_server_conn *) fi->priv; |
| 371 | int rc; |
| 372 | |
| 373 | /* Attempt to connect TCP socket */ |
| 374 | rc = ipa_client_conn_open(srvc->conn); |
| 375 | if (rc < 0) { |
| 376 | fprintf(stderr, "Unable to connect RSPRO to %s:%d - %s\n", |
| 377 | srvc->server_host, srvc->server_port, strerror(errno)); |
| 378 | /* FIXME: retry? Timer? Abort? */ |
| 379 | OSMO_ASSERT(0); |
| 380 | } |
Harald Welte | 24173fb | 2018-08-24 20:37:28 +0200 | [diff] [blame] | 381 | } |
| 382 | |
| 383 | static void srvc_st_reestablish(struct osmo_fsm_inst *fi, uint32_t event, void *data) |
| 384 | { |
Harald Welte | 84ba234 | 2018-08-24 22:20:20 +0200 | [diff] [blame] | 385 | switch (event) { |
Harald Welte | 52cc7db | 2018-09-24 11:51:51 +0200 | [diff] [blame] | 386 | case SRVC_E_TCP_UP: |
Harald Welte | 84ba234 | 2018-08-24 22:20:20 +0200 | [diff] [blame] | 387 | osmo_fsm_inst_state_chg(fi, SRVC_ST_ESTABLISHED, T1_WAIT_CLIENT_CONN_RES, 1); |
| 388 | break; |
Harald Welte | 52cc7db | 2018-09-24 11:51:51 +0200 | [diff] [blame] | 389 | case SRVC_E_TCP_DOWN: |
| 390 | /* wait for normal T2 call-back */ |
| 391 | break; |
Harald Welte | 84ba234 | 2018-08-24 22:20:20 +0200 | [diff] [blame] | 392 | default: |
| 393 | OSMO_ASSERT(0); |
| 394 | } |
Harald Welte | 24173fb | 2018-08-24 20:37:28 +0200 | [diff] [blame] | 395 | } |
| 396 | |
| 397 | static int server_conn_fsm_timer_cb(struct osmo_fsm_inst *fi) |
| 398 | { |
Harald Welte | 52cc7db | 2018-09-24 11:51:51 +0200 | [diff] [blame] | 399 | switch (fi->T) { |
| 400 | case 2: |
| 401 | osmo_fsm_inst_state_chg(fi, SRVC_ST_REESTABLISH, T2_RECONNECT, 2); |
| 402 | break; |
| 403 | case 1: |
| 404 | /* FIXME: close connection and re-start connection attempt */ |
| 405 | break; |
| 406 | default: |
| 407 | OSMO_ASSERT(0); |
| 408 | } |
| 409 | |
Harald Welte | 24173fb | 2018-08-24 20:37:28 +0200 | [diff] [blame] | 410 | return 0; |
| 411 | } |
| 412 | |
| 413 | static const struct osmo_fsm_state server_conn_fsm_states[] = { |
| 414 | [SRVC_ST_INIT] = { |
| 415 | .name = "INIT", |
Harald Welte | 52cc7db | 2018-09-24 11:51:51 +0200 | [diff] [blame] | 416 | .in_event_mask = S(SRVC_E_TCP_UP) | S(SRVC_E_TCP_DOWN), |
| 417 | .out_state_mask = S(SRVC_ST_ESTABLISHED) | S(SRVC_ST_REESTABLISH), |
Harald Welte | 24173fb | 2018-08-24 20:37:28 +0200 | [diff] [blame] | 418 | .action = srvc_st_init, |
Harald Welte | 84ba234 | 2018-08-24 22:20:20 +0200 | [diff] [blame] | 419 | .onenter = srvc_st_init_onenter, |
Harald Welte | 24173fb | 2018-08-24 20:37:28 +0200 | [diff] [blame] | 420 | }, |
| 421 | [SRVC_ST_ESTABLISHED] = { |
| 422 | .name = "ESTABLISHED", |
| 423 | .in_event_mask = S(SRVC_E_TCP_DOWN) | S(SRVC_E_CLIENT_CONN_RES), |
| 424 | .out_state_mask = S(SRVC_ST_CONNECTED) | S(SRVC_ST_REESTABLISH), |
| 425 | .action = srvc_st_established, |
Harald Welte | 84ba234 | 2018-08-24 22:20:20 +0200 | [diff] [blame] | 426 | .onenter = srvc_st_established_onenter, |
Harald Welte | 24173fb | 2018-08-24 20:37:28 +0200 | [diff] [blame] | 427 | }, |
| 428 | [SRVC_ST_CONNECTED] = { |
| 429 | .name = "CONNECTED", |
| 430 | .in_event_mask = S(SRVC_E_TCP_DOWN), |
| 431 | .out_state_mask = S(SRVC_ST_REESTABLISH), |
| 432 | .action = srvc_st_connected, |
| 433 | }, |
| 434 | [SRVC_ST_REESTABLISH] = { |
| 435 | .name = "REESTABLISH", |
Harald Welte | 52cc7db | 2018-09-24 11:51:51 +0200 | [diff] [blame] | 436 | .in_event_mask = S(SRVC_E_TCP_UP) | S(SRVC_E_TCP_DOWN), |
| 437 | .out_state_mask = S(SRVC_ST_ESTABLISHED) | S(SRVC_ST_REESTABLISH), |
Harald Welte | 24173fb | 2018-08-24 20:37:28 +0200 | [diff] [blame] | 438 | .action = srvc_st_reestablish, |
Harald Welte | 84ba234 | 2018-08-24 22:20:20 +0200 | [diff] [blame] | 439 | .onenter = srvc_st_reestablish_onenter, |
Harald Welte | 24173fb | 2018-08-24 20:37:28 +0200 | [diff] [blame] | 440 | }, |
| 441 | }; |
| 442 | |
| 443 | struct osmo_fsm remsim_client_server_fsm = { |
| 444 | .name = "SERVER_CONN", |
| 445 | .states = server_conn_fsm_states, |
| 446 | .num_states = ARRAY_SIZE(server_conn_fsm_states), |
| 447 | .timer_cb = server_conn_fsm_timer_cb, |
| 448 | .log_subsys = DMAIN, |
| 449 | .event_names = server_conn_fsm_event_names, |
| 450 | }; |
| 451 | |
Harald Welte | 84ba234 | 2018-08-24 22:20:20 +0200 | [diff] [blame] | 452 | int server_conn_fsm_alloc(struct rspro_server_conn *srvc) |
Harald Welte | 24173fb | 2018-08-24 20:37:28 +0200 | [diff] [blame] | 453 | { |
| 454 | struct osmo_fsm_inst *fi; |
| 455 | |
Harald Welte | 84ba234 | 2018-08-24 22:20:20 +0200 | [diff] [blame] | 456 | fi = osmo_fsm_inst_alloc(&remsim_client_server_fsm, srvc, srvc, LOGL_DEBUG, "server"); |
Harald Welte | 24173fb | 2018-08-24 20:37:28 +0200 | [diff] [blame] | 457 | if (!fi) |
| 458 | return -1; |
| 459 | |
Harald Welte | 84ba234 | 2018-08-24 22:20:20 +0200 | [diff] [blame] | 460 | srvc->fi = fi; |
Harald Welte | 24173fb | 2018-08-24 20:37:28 +0200 | [diff] [blame] | 461 | /* onenter of the initial state is not automatically executed by osmo_fsm :( */ |
Harald Welte | 84ba234 | 2018-08-24 22:20:20 +0200 | [diff] [blame] | 462 | srvc_st_init_onenter(fi, 0); |
Harald Welte | 24173fb | 2018-08-24 20:37:28 +0200 | [diff] [blame] | 463 | return 0; |
| 464 | } |