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 | |
Harald Welte | 7f0e82f | 2018-10-14 20:07:59 +0200 | [diff] [blame] | 20 | static void push_and_send(struct ipa_client_conn *ipa, struct msgb *msg_tx) |
| 21 | { |
| 22 | ipa_prepend_header_ext(msg_tx, IPAC_PROTO_EXT_RSPRO); |
| 23 | ipa_msg_push_header(msg_tx, IPAC_PROTO_OSMO); |
| 24 | ipa_client_conn_send(ipa, msg_tx); |
| 25 | /* msg_tx is now queued and will be freed. */ |
| 26 | } |
| 27 | |
| 28 | void ipa_client_conn_send_rspro(struct ipa_client_conn *ipa, RsproPDU_t *rspro) |
| 29 | { |
| 30 | struct msgb *msg = rspro_enc_msg(rspro); |
| 31 | OSMO_ASSERT(msg); |
| 32 | push_and_send(ipa, msg); |
| 33 | } |
| 34 | |
Harald Welte | 24173fb | 2018-08-24 20:37:28 +0200 | [diff] [blame] | 35 | static void bankd_updown_cb(struct ipa_client_conn *conn, int up) |
| 36 | { |
| 37 | struct bankd_client *bc = conn->data; |
| 38 | |
| 39 | printf("RSPRO link to %s:%d %s\n", conn->addr, conn->port, up ? "UP" : "DOWN"); |
| 40 | |
| 41 | osmo_fsm_inst_dispatch(bc->bankd_fi, up ? BDC_E_TCP_UP: BDC_E_TCP_DOWN, 0); |
| 42 | } |
| 43 | |
| 44 | /*********************************************************************** |
| 45 | * bankd connection FSM |
| 46 | ***********************************************************************/ |
| 47 | |
| 48 | enum bankd_conn_fsm_state { |
| 49 | /* waiting for initial connectiong to remsim-bankd */ |
| 50 | BDC_ST_INIT, |
| 51 | /* bankd connection established, waiting for ClientConnectRes */ |
| 52 | BDC_ST_ESTABLISHED, |
| 53 | /* bankd connection etsablished, ClientConnect succeeded */ |
| 54 | BDC_ST_CONNECTED, |
| 55 | /* connection lost, we're waiting for a re-establish */ |
| 56 | BDC_ST_REESTABLISH, |
| 57 | }; |
| 58 | |
| 59 | static const struct value_string remsim_client_bankd_fsm_event_names[] = { |
| 60 | OSMO_VALUE_STRING(BDC_E_TCP_UP), |
| 61 | OSMO_VALUE_STRING(BDC_E_TCP_DOWN), |
| 62 | OSMO_VALUE_STRING(BDC_E_CLIENT_CONN_RES), |
| 63 | { 0, NULL } |
| 64 | }; |
| 65 | |
| 66 | #define T1_WAIT_CLIENT_CONN_RES 10 |
| 67 | #define T2_RECONNECT 10 |
| 68 | |
| 69 | |
| 70 | static void bdc_st_init_onenter(struct osmo_fsm_inst *fi, uint32_t prev_state) |
| 71 | { |
| 72 | struct bankd_client *bc = (struct bankd_client *) fi->priv; |
| 73 | int rc; |
| 74 | |
| 75 | printf("onenter\n"); |
| 76 | bc->bankd_conn = ipa_client_conn_create(bc, NULL, 0, bc->bankd_host, bc->bankd_port, |
| 77 | bankd_updown_cb, bankd_read_cb, NULL, bc); |
| 78 | if (!bc->bankd_conn) { |
| 79 | fprintf(stderr, "Unable to create socket: %s\n", strerror(errno)); |
| 80 | exit(1); |
| 81 | } |
| 82 | /* Attempt to connect TCP socket */ |
| 83 | rc = ipa_client_conn_open(bc->bankd_conn); |
| 84 | if (rc < 0) { |
| 85 | fprintf(stderr, "Unable to connect: %s\n", strerror(errno)); |
| 86 | exit(1); |
| 87 | } |
| 88 | } |
| 89 | |
| 90 | static void bdc_st_init(struct osmo_fsm_inst *fi, uint32_t event, void *data) |
| 91 | { |
| 92 | switch (event) { |
| 93 | case BDC_E_TCP_UP: |
| 94 | osmo_fsm_inst_state_chg(fi, BDC_ST_ESTABLISHED, T1_WAIT_CLIENT_CONN_RES, 1); |
| 95 | break; |
Harald Welte | 52cc7db | 2018-09-24 11:51:51 +0200 | [diff] [blame] | 96 | case BDC_E_TCP_DOWN: |
| 97 | osmo_fsm_inst_state_chg(fi, BDC_ST_REESTABLISH, T2_RECONNECT, 2); |
| 98 | break; |
Harald Welte | 24173fb | 2018-08-24 20:37:28 +0200 | [diff] [blame] | 99 | default: |
| 100 | OSMO_ASSERT(0); |
| 101 | } |
| 102 | } |
| 103 | |
| 104 | static void bdc_st_established_onenter(struct osmo_fsm_inst *fi, uint32_t prev_state) |
| 105 | { |
| 106 | struct bankd_client *bc = (struct bankd_client *) fi->priv; |
| 107 | RsproPDU_t *pdu; |
| 108 | |
| 109 | /* FIXME: Send ClientConnReq */ |
Kévin Redon | 38cd4f7 | 2018-10-10 00:36:46 +0200 | [diff] [blame] | 110 | pdu = rspro_gen_ConnectClientReq(&bc->own_comp_id, bc->clslot); |
Harald Welte | f29e0d0 | 2018-08-24 21:42:22 +0200 | [diff] [blame] | 111 | ipa_client_conn_send_rspro(bc->bankd_conn, pdu); |
Harald Welte | 24173fb | 2018-08-24 20:37:28 +0200 | [diff] [blame] | 112 | } |
| 113 | |
| 114 | static void bdc_st_established(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 | case BDC_E_CLIENT_CONN_RES: |
| 121 | /* somehow notify the main code? */ |
| 122 | osmo_fsm_inst_state_chg(fi, BDC_ST_CONNECTED, 0, 0); |
| 123 | break; |
| 124 | default: |
| 125 | OSMO_ASSERT(0); |
| 126 | } |
| 127 | } |
| 128 | |
| 129 | static void bdc_st_connected(struct osmo_fsm_inst *fi, uint32_t event, void *data) |
| 130 | { |
| 131 | switch (event) { |
| 132 | case BDC_E_TCP_DOWN: |
| 133 | osmo_fsm_inst_state_chg(fi, BDC_ST_REESTABLISH, T2_RECONNECT, 2); |
| 134 | break; |
| 135 | default: |
| 136 | OSMO_ASSERT(0); |
| 137 | } |
| 138 | } |
| 139 | |
| 140 | static void bdc_st_reestablish_onenter(struct osmo_fsm_inst *fi, uint32_t prev_state) |
| 141 | { |
| 142 | struct bankd_client *bc = (struct bankd_client *) fi->priv; |
| 143 | int rc; |
| 144 | |
| 145 | /* Attempt to connect TCP socket */ |
| 146 | rc = ipa_client_conn_open(bc->bankd_conn); |
| 147 | if (rc < 0) { |
| 148 | fprintf(stderr, "Unable to connect RSPRO to %s:%d - %s\n", |
| 149 | bc->bankd_conn->addr, bc->bankd_conn->port, strerror(errno)); |
| 150 | /* FIXME: retry? Timer? Abort? */ |
| 151 | OSMO_ASSERT(0); |
| 152 | } |
| 153 | } |
| 154 | |
| 155 | static void bdc_st_reestablish(struct osmo_fsm_inst *fi, uint32_t event, void *data) |
| 156 | { |
| 157 | switch (event) { |
| 158 | case BDC_E_TCP_UP: |
| 159 | osmo_fsm_inst_state_chg(fi, BDC_ST_ESTABLISHED, T1_WAIT_CLIENT_CONN_RES, 1); |
| 160 | break; |
Harald Welte | 52cc7db | 2018-09-24 11:51:51 +0200 | [diff] [blame] | 161 | case BDC_E_TCP_DOWN: |
| 162 | /* wait for normal T2 timeout */ |
| 163 | break; |
Harald Welte | 24173fb | 2018-08-24 20:37:28 +0200 | [diff] [blame] | 164 | default: |
| 165 | OSMO_ASSERT(0); |
| 166 | } |
| 167 | } |
| 168 | |
| 169 | static int remsim_client_bankd_fsm_timer_cb(struct osmo_fsm_inst *fi) |
| 170 | { |
Harald Welte | 52cc7db | 2018-09-24 11:51:51 +0200 | [diff] [blame] | 171 | switch (fi->T) { |
| 172 | case 2: |
| 173 | osmo_fsm_inst_state_chg(fi, BDC_ST_REESTABLISH, T2_RECONNECT, 2); |
| 174 | break; |
| 175 | case 1: |
| 176 | /* FIXME: close connection and re-start */ |
| 177 | break; |
| 178 | default: |
| 179 | OSMO_ASSERT(0); |
| 180 | } |
Harald Welte | 24173fb | 2018-08-24 20:37:28 +0200 | [diff] [blame] | 181 | return 0; |
| 182 | } |
| 183 | |
| 184 | static const struct osmo_fsm_state bankd_conn_fsm_states[] = { |
| 185 | [BDC_ST_INIT] = { |
| 186 | .name = "INIT", |
Harald Welte | 52cc7db | 2018-09-24 11:51:51 +0200 | [diff] [blame] | 187 | .in_event_mask = S(BDC_E_TCP_UP) | S(BDC_E_TCP_DOWN), |
| 188 | .out_state_mask = S(BDC_ST_ESTABLISHED) | S(BDC_ST_REESTABLISH), |
Harald Welte | 24173fb | 2018-08-24 20:37:28 +0200 | [diff] [blame] | 189 | .action = bdc_st_init, |
| 190 | }, |
| 191 | [BDC_ST_ESTABLISHED] = { |
| 192 | .name = "ESTABLISHED", |
| 193 | .in_event_mask = S(BDC_E_TCP_DOWN) | S(BDC_E_CLIENT_CONN_RES), |
| 194 | .out_state_mask = S(BDC_ST_CONNECTED) | S(BDC_ST_REESTABLISH), |
| 195 | .action = bdc_st_established, |
| 196 | .onenter = bdc_st_established_onenter, |
| 197 | }, |
| 198 | [BDC_ST_CONNECTED] = { |
| 199 | .name = "CONNECTED", |
| 200 | .in_event_mask = S(BDC_E_TCP_DOWN), |
| 201 | .out_state_mask = S(BDC_ST_REESTABLISH), |
| 202 | .action = bdc_st_connected, |
| 203 | }, |
| 204 | [BDC_ST_REESTABLISH] = { |
| 205 | .name = "REESTABLISH", |
Harald Welte | 52cc7db | 2018-09-24 11:51:51 +0200 | [diff] [blame] | 206 | .in_event_mask = S(BDC_E_TCP_UP) | S(BDC_E_TCP_DOWN), |
| 207 | .out_state_mask = S(BDC_ST_ESTABLISHED) | S(BDC_ST_REESTABLISH), |
Harald Welte | 24173fb | 2018-08-24 20:37:28 +0200 | [diff] [blame] | 208 | .action = bdc_st_reestablish, |
| 209 | .onenter = bdc_st_reestablish_onenter, |
| 210 | }, |
| 211 | }; |
| 212 | |
| 213 | struct osmo_fsm remsim_client_bankd_fsm = { |
| 214 | .name = "BANKD_CONN", |
| 215 | .states = bankd_conn_fsm_states, |
| 216 | .num_states = ARRAY_SIZE(bankd_conn_fsm_states), |
| 217 | .timer_cb = remsim_client_bankd_fsm_timer_cb, |
| 218 | .log_subsys = DMAIN, |
| 219 | .event_names = remsim_client_bankd_fsm_event_names, |
| 220 | }; |
| 221 | |
| 222 | int bankd_conn_fsm_alloc(struct bankd_client *bc) |
| 223 | { |
| 224 | struct osmo_fsm_inst *fi; |
| 225 | |
| 226 | fi = osmo_fsm_inst_alloc(&remsim_client_bankd_fsm, bc, bc, LOGL_DEBUG, "bankd"); |
| 227 | if (!fi) |
| 228 | return -1; |
| 229 | |
| 230 | bc->bankd_fi = fi; |
| 231 | /* onenter of the initial state is not automatically executed by osmo_fsm :( */ |
| 232 | bdc_st_init_onenter(fi, 0); |
| 233 | return 0; |
| 234 | } |
| 235 | |
| 236 | /*********************************************************************** |
| 237 | * server connection FSM |
| 238 | ***********************************************************************/ |
| 239 | |
| 240 | enum server_conn_fsm_state { |
| 241 | /* waiting for initial connectiong to remsim-server */ |
| 242 | SRVC_ST_INIT, |
| 243 | /* server connection established, waiting for ClientConnectRes */ |
| 244 | SRVC_ST_ESTABLISHED, |
| 245 | /* server connection etsablished, ClientConnect succeeded */ |
| 246 | SRVC_ST_CONNECTED, |
| 247 | /* connection lost, we're waiting for a re-establish */ |
| 248 | SRVC_ST_REESTABLISH, |
| 249 | }; |
| 250 | |
| 251 | static const struct value_string server_conn_fsm_event_names[] = { |
| 252 | OSMO_VALUE_STRING(SRVC_E_TCP_UP), |
| 253 | OSMO_VALUE_STRING(SRVC_E_TCP_DOWN), |
| 254 | OSMO_VALUE_STRING(SRVC_E_CLIENT_CONN_RES), |
| 255 | { 0, NULL } |
| 256 | }; |
| 257 | |
Harald Welte | 84ba234 | 2018-08-24 22:20:20 +0200 | [diff] [blame] | 258 | static void srvc_updown_cb(struct ipa_client_conn *conn, int up) |
| 259 | { |
| 260 | struct rspro_server_conn *srvc = conn->data; |
| 261 | |
| 262 | printf("RSPRO link to %s:%d %s\n", conn->addr, conn->port, up ? "UP" : "DOWN"); |
| 263 | |
| 264 | osmo_fsm_inst_dispatch(srvc->fi, up ? SRVC_E_TCP_UP: SRVC_E_TCP_DOWN, 0); |
| 265 | } |
| 266 | |
| 267 | static int srvc_read_cb(struct ipa_client_conn *conn, struct msgb *msg) |
| 268 | { |
| 269 | struct ipaccess_head *hh = (struct ipaccess_head *) msg->data; |
| 270 | struct ipaccess_head_ext *he = (struct ipaccess_head_ext *) msgb_l2(msg); |
| 271 | struct rspro_server_conn *srvc = conn->data; |
Harald Welte | f9995a3 | 2018-10-14 20:40:05 +0200 | [diff] [blame] | 272 | RsproPDU_t *pdu; |
Harald Welte | 84ba234 | 2018-08-24 22:20:20 +0200 | [diff] [blame] | 273 | int rc; |
| 274 | |
| 275 | if (msgb_length(msg) < sizeof(*hh)) |
| 276 | goto invalid; |
| 277 | msg->l2h = &hh->data[0]; |
| 278 | if (hh->proto != IPAC_PROTO_OSMO) |
| 279 | goto invalid; |
| 280 | if (!he || msgb_l2len(msg) < sizeof(*he)) |
| 281 | goto invalid; |
| 282 | msg->l2h = &he->data[0]; |
| 283 | |
| 284 | if (he->proto != IPAC_PROTO_EXT_RSPRO) |
| 285 | goto invalid; |
| 286 | |
| 287 | printf("Received RSPRO %s\n", msgb_hexdump(msg)); |
Harald Welte | f9995a3 | 2018-10-14 20:40:05 +0200 | [diff] [blame] | 288 | pdu = rspro_dec_msg(msg); |
| 289 | if (!pdu) |
| 290 | goto invalid; |
Harald Welte | 84ba234 | 2018-08-24 22:20:20 +0200 | [diff] [blame] | 291 | |
Harald Welte | f9995a3 | 2018-10-14 20:40:05 +0200 | [diff] [blame] | 292 | rc = srvc->handle_rx(srvc, pdu); |
Harald Welte | 84ba234 | 2018-08-24 22:20:20 +0200 | [diff] [blame] | 293 | return rc; |
Harald Welte | 84ba234 | 2018-08-24 22:20:20 +0200 | [diff] [blame] | 294 | |
| 295 | invalid: |
| 296 | msgb_free(msg); |
| 297 | return -1; |
| 298 | } |
| 299 | |
| 300 | |
| 301 | static void srvc_st_init_onenter(struct osmo_fsm_inst *fi, uint32_t prev_state) |
| 302 | { |
| 303 | struct rspro_server_conn *srvc = (struct rspro_server_conn *) fi->priv; |
| 304 | int rc; |
| 305 | |
Harald Welte | 098ef87 | 2018-10-14 20:08:50 +0200 | [diff] [blame] | 306 | srvc->conn = ipa_client_conn_create(fi, NULL, 0, srvc->server_host, srvc->server_port, |
Harald Welte | 84ba234 | 2018-08-24 22:20:20 +0200 | [diff] [blame] | 307 | srvc_updown_cb, srvc_read_cb, NULL, srvc); |
| 308 | if (!srvc->conn) { |
| 309 | fprintf(stderr, "Unable to create socket: %s\n", strerror(errno)); |
| 310 | /* FIXME */ |
| 311 | } |
| 312 | /* Attempt to connect TCP socket */ |
| 313 | rc = ipa_client_conn_open(srvc->conn); |
| 314 | if (rc < 0) { |
| 315 | fprintf(stderr, "Unable to connect: %s\n", strerror(errno)); |
| 316 | /* FIXME */ |
| 317 | } |
| 318 | } |
Harald Welte | 24173fb | 2018-08-24 20:37:28 +0200 | [diff] [blame] | 319 | |
| 320 | static void srvc_st_init(struct osmo_fsm_inst *fi, uint32_t event, void *data) |
| 321 | { |
Harald Welte | 84ba234 | 2018-08-24 22:20:20 +0200 | [diff] [blame] | 322 | switch (event) { |
| 323 | case SRVC_E_TCP_UP: |
| 324 | osmo_fsm_inst_state_chg(fi, SRVC_ST_ESTABLISHED, T1_WAIT_CLIENT_CONN_RES, 1); |
| 325 | break; |
Harald Welte | 52cc7db | 2018-09-24 11:51:51 +0200 | [diff] [blame] | 326 | case SRVC_E_TCP_DOWN: |
| 327 | osmo_fsm_inst_state_chg(fi, SRVC_ST_REESTABLISH, T2_RECONNECT, 2); |
| 328 | break; |
Harald Welte | 84ba234 | 2018-08-24 22:20:20 +0200 | [diff] [blame] | 329 | default: |
| 330 | OSMO_ASSERT(0); |
| 331 | } |
| 332 | } |
| 333 | |
| 334 | static void srvc_st_established_onenter(struct osmo_fsm_inst *fi, uint32_t prev_state) |
| 335 | { |
| 336 | struct rspro_server_conn *srvc = (struct rspro_server_conn *) fi->priv; |
| 337 | RsproPDU_t *pdu; |
| 338 | |
| 339 | /* FIXME: Bankd in case of Bankd connection! */ |
| 340 | pdu = rspro_gen_ConnectClientReq(&srvc->own_comp_id, NULL); |
| 341 | ipa_client_conn_send_rspro(srvc->conn, pdu); |
Harald Welte | 24173fb | 2018-08-24 20:37:28 +0200 | [diff] [blame] | 342 | } |
| 343 | |
| 344 | static void srvc_st_established(struct osmo_fsm_inst *fi, uint32_t event, void *data) |
| 345 | { |
Harald Welte | 84ba234 | 2018-08-24 22:20:20 +0200 | [diff] [blame] | 346 | switch (event) { |
| 347 | case SRVC_E_TCP_DOWN: |
| 348 | osmo_fsm_inst_state_chg(fi, SRVC_ST_REESTABLISH, T2_RECONNECT, 2); |
| 349 | break; |
| 350 | case SRVC_E_CLIENT_CONN_RES: |
| 351 | /* somehow notify the main code? */ |
| 352 | osmo_fsm_inst_state_chg(fi, SRVC_ST_CONNECTED, 0, 0); |
| 353 | break; |
| 354 | default: |
| 355 | OSMO_ASSERT(0); |
| 356 | } |
Harald Welte | 24173fb | 2018-08-24 20:37:28 +0200 | [diff] [blame] | 357 | } |
| 358 | |
| 359 | static void srvc_st_connected(struct osmo_fsm_inst *fi, uint32_t event, void *data) |
| 360 | { |
Harald Welte | 84ba234 | 2018-08-24 22:20:20 +0200 | [diff] [blame] | 361 | switch (event) { |
| 362 | case SRVC_E_TCP_DOWN: |
| 363 | osmo_fsm_inst_state_chg(fi, SRVC_ST_REESTABLISH, T2_RECONNECT, 2); |
| 364 | break; |
| 365 | default: |
| 366 | OSMO_ASSERT(0); |
| 367 | } |
| 368 | } |
| 369 | |
| 370 | static void srvc_st_reestablish_onenter(struct osmo_fsm_inst *fi, uint32_t prev_state) |
| 371 | { |
| 372 | struct rspro_server_conn *srvc = (struct rspro_server_conn *) fi->priv; |
| 373 | int rc; |
| 374 | |
| 375 | /* Attempt to connect TCP socket */ |
| 376 | rc = ipa_client_conn_open(srvc->conn); |
| 377 | if (rc < 0) { |
| 378 | fprintf(stderr, "Unable to connect RSPRO to %s:%d - %s\n", |
| 379 | srvc->server_host, srvc->server_port, strerror(errno)); |
| 380 | /* FIXME: retry? Timer? Abort? */ |
| 381 | OSMO_ASSERT(0); |
| 382 | } |
Harald Welte | 24173fb | 2018-08-24 20:37:28 +0200 | [diff] [blame] | 383 | } |
| 384 | |
| 385 | static void srvc_st_reestablish(struct osmo_fsm_inst *fi, uint32_t event, void *data) |
| 386 | { |
Harald Welte | 84ba234 | 2018-08-24 22:20:20 +0200 | [diff] [blame] | 387 | switch (event) { |
Harald Welte | 52cc7db | 2018-09-24 11:51:51 +0200 | [diff] [blame] | 388 | case SRVC_E_TCP_UP: |
Harald Welte | 84ba234 | 2018-08-24 22:20:20 +0200 | [diff] [blame] | 389 | osmo_fsm_inst_state_chg(fi, SRVC_ST_ESTABLISHED, T1_WAIT_CLIENT_CONN_RES, 1); |
| 390 | break; |
Harald Welte | 52cc7db | 2018-09-24 11:51:51 +0200 | [diff] [blame] | 391 | case SRVC_E_TCP_DOWN: |
| 392 | /* wait for normal T2 call-back */ |
| 393 | break; |
Harald Welte | 84ba234 | 2018-08-24 22:20:20 +0200 | [diff] [blame] | 394 | default: |
| 395 | OSMO_ASSERT(0); |
| 396 | } |
Harald Welte | 24173fb | 2018-08-24 20:37:28 +0200 | [diff] [blame] | 397 | } |
| 398 | |
| 399 | static int server_conn_fsm_timer_cb(struct osmo_fsm_inst *fi) |
| 400 | { |
Harald Welte | 52cc7db | 2018-09-24 11:51:51 +0200 | [diff] [blame] | 401 | switch (fi->T) { |
| 402 | case 2: |
| 403 | osmo_fsm_inst_state_chg(fi, SRVC_ST_REESTABLISH, T2_RECONNECT, 2); |
| 404 | break; |
| 405 | case 1: |
| 406 | /* FIXME: close connection and re-start connection attempt */ |
| 407 | break; |
| 408 | default: |
| 409 | OSMO_ASSERT(0); |
| 410 | } |
| 411 | |
Harald Welte | 24173fb | 2018-08-24 20:37:28 +0200 | [diff] [blame] | 412 | return 0; |
| 413 | } |
| 414 | |
| 415 | static const struct osmo_fsm_state server_conn_fsm_states[] = { |
| 416 | [SRVC_ST_INIT] = { |
| 417 | .name = "INIT", |
Harald Welte | 52cc7db | 2018-09-24 11:51:51 +0200 | [diff] [blame] | 418 | .in_event_mask = S(SRVC_E_TCP_UP) | S(SRVC_E_TCP_DOWN), |
| 419 | .out_state_mask = S(SRVC_ST_ESTABLISHED) | S(SRVC_ST_REESTABLISH), |
Harald Welte | 24173fb | 2018-08-24 20:37:28 +0200 | [diff] [blame] | 420 | .action = srvc_st_init, |
Harald Welte | 84ba234 | 2018-08-24 22:20:20 +0200 | [diff] [blame] | 421 | .onenter = srvc_st_init_onenter, |
Harald Welte | 24173fb | 2018-08-24 20:37:28 +0200 | [diff] [blame] | 422 | }, |
| 423 | [SRVC_ST_ESTABLISHED] = { |
| 424 | .name = "ESTABLISHED", |
| 425 | .in_event_mask = S(SRVC_E_TCP_DOWN) | S(SRVC_E_CLIENT_CONN_RES), |
| 426 | .out_state_mask = S(SRVC_ST_CONNECTED) | S(SRVC_ST_REESTABLISH), |
| 427 | .action = srvc_st_established, |
Harald Welte | 84ba234 | 2018-08-24 22:20:20 +0200 | [diff] [blame] | 428 | .onenter = srvc_st_established_onenter, |
Harald Welte | 24173fb | 2018-08-24 20:37:28 +0200 | [diff] [blame] | 429 | }, |
| 430 | [SRVC_ST_CONNECTED] = { |
| 431 | .name = "CONNECTED", |
| 432 | .in_event_mask = S(SRVC_E_TCP_DOWN), |
| 433 | .out_state_mask = S(SRVC_ST_REESTABLISH), |
| 434 | .action = srvc_st_connected, |
| 435 | }, |
| 436 | [SRVC_ST_REESTABLISH] = { |
| 437 | .name = "REESTABLISH", |
Harald Welte | 52cc7db | 2018-09-24 11:51:51 +0200 | [diff] [blame] | 438 | .in_event_mask = S(SRVC_E_TCP_UP) | S(SRVC_E_TCP_DOWN), |
| 439 | .out_state_mask = S(SRVC_ST_ESTABLISHED) | S(SRVC_ST_REESTABLISH), |
Harald Welte | 24173fb | 2018-08-24 20:37:28 +0200 | [diff] [blame] | 440 | .action = srvc_st_reestablish, |
Harald Welte | 84ba234 | 2018-08-24 22:20:20 +0200 | [diff] [blame] | 441 | .onenter = srvc_st_reestablish_onenter, |
Harald Welte | 24173fb | 2018-08-24 20:37:28 +0200 | [diff] [blame] | 442 | }, |
| 443 | }; |
| 444 | |
| 445 | struct osmo_fsm remsim_client_server_fsm = { |
| 446 | .name = "SERVER_CONN", |
| 447 | .states = server_conn_fsm_states, |
| 448 | .num_states = ARRAY_SIZE(server_conn_fsm_states), |
| 449 | .timer_cb = server_conn_fsm_timer_cb, |
| 450 | .log_subsys = DMAIN, |
| 451 | .event_names = server_conn_fsm_event_names, |
| 452 | }; |
| 453 | |
Harald Welte | 098ef87 | 2018-10-14 20:08:50 +0200 | [diff] [blame] | 454 | int server_conn_fsm_alloc(void *ctx, struct rspro_server_conn *srvc) |
Harald Welte | 24173fb | 2018-08-24 20:37:28 +0200 | [diff] [blame] | 455 | { |
| 456 | struct osmo_fsm_inst *fi; |
| 457 | |
Harald Welte | 098ef87 | 2018-10-14 20:08:50 +0200 | [diff] [blame] | 458 | fi = osmo_fsm_inst_alloc(&remsim_client_server_fsm, ctx, srvc, LOGL_DEBUG, "server"); |
Harald Welte | 24173fb | 2018-08-24 20:37:28 +0200 | [diff] [blame] | 459 | if (!fi) |
| 460 | return -1; |
| 461 | |
Harald Welte | 84ba234 | 2018-08-24 22:20:20 +0200 | [diff] [blame] | 462 | srvc->fi = fi; |
Harald Welte | 24173fb | 2018-08-24 20:37:28 +0200 | [diff] [blame] | 463 | /* onenter of the initial state is not automatically executed by osmo_fsm :( */ |
Harald Welte | 84ba234 | 2018-08-24 22:20:20 +0200 | [diff] [blame] | 464 | srvc_st_init_onenter(fi, 0); |
Harald Welte | 24173fb | 2018-08-24 20:37:28 +0200 | [diff] [blame] | 465 | return 0; |
| 466 | } |
Harald Welte | 7fc64bc | 2019-03-02 12:55:59 +0100 | [diff] [blame^] | 467 | |
| 468 | static __attribute__((constructor)) void on_dso_load(void) |
| 469 | { |
| 470 | osmo_fsm_register(&remsim_client_bankd_fsm); |
| 471 | osmo_fsm_register(&remsim_client_server_fsm); |
| 472 | } |