Pablo Neira Ayuso | 0ba77d5 | 2011-06-05 18:32:44 +0200 | [diff] [blame] | 1 | #include <stdio.h> |
Pablo Neira Ayuso | 1fd93bb | 2012-08-23 23:26:19 +0200 | [diff] [blame] | 2 | #include <signal.h> |
Harald Welte | 71d87b2 | 2011-07-18 14:49:56 +0200 | [diff] [blame] | 3 | #include <osmocom/core/talloc.h> |
Pablo Neira Ayuso | 54b4979 | 2011-06-07 12:15:26 +0200 | [diff] [blame] | 4 | #include <osmocom/abis/abis.h> |
Pablo Neira Ayuso | 177094b | 2011-06-07 12:21:51 +0200 | [diff] [blame] | 5 | #include <osmocom/abis/e1_input.h> |
Pablo Neira Ayuso | e19c70a | 2011-06-12 15:15:30 +0200 | [diff] [blame] | 6 | #include <osmocom/core/application.h> |
| 7 | #include <osmocom/core/logging.h> |
Pablo Neira Ayuso | 904d8f2 | 2011-07-05 18:32:12 +0200 | [diff] [blame] | 8 | #include <osmocom/gsm/protocol/gsm_12_21.h> |
Pablo Neira Ayuso | 0ba77d5 | 2011-06-05 18:32:44 +0200 | [diff] [blame] | 9 | |
Pablo Neira Ayuso | 54b4979 | 2011-06-07 12:15:26 +0200 | [diff] [blame] | 10 | static void *tall_test; |
Pablo Neira Ayuso | c9c4fd3 | 2011-06-30 12:19:42 +0200 | [diff] [blame] | 11 | static struct e1inp_sign_link *oml_sign_link, *rsl_sign_link; |
Pablo Neira Ayuso | 54b4979 | 2011-06-07 12:15:26 +0200 | [diff] [blame] | 12 | |
Pablo Neira Ayuso | fe8ab0a | 2011-07-02 18:48:45 +0200 | [diff] [blame] | 13 | #define DBSCTEST 0 |
Pablo Neira Ayuso | e19c70a | 2011-06-12 15:15:30 +0200 | [diff] [blame] | 14 | |
| 15 | struct log_info_cat bsc_test_cat[] = { |
| 16 | [DBSCTEST] = { |
| 17 | .name = "DBSCTEST", |
| 18 | .description = "BSC-mode test", |
| 19 | .color = "\033[1;35m", |
| 20 | .enabled = 1, .loglevel = LOGL_NOTICE, |
| 21 | }, |
| 22 | }; |
| 23 | |
Pablo Neira Ayuso | 2b35201 | 2011-07-02 17:45:42 +0200 | [diff] [blame] | 24 | static struct e1inp_sign_link * |
| 25 | sign_link_up(void *dev, struct e1inp_line *line, enum e1inp_sign_type type) |
| 26 | { |
| 27 | struct e1inp_sign_link *sign_link = NULL; |
Pablo Neira Ayuso | 1ca98b9 | 2011-07-08 15:05:42 +0200 | [diff] [blame] | 28 | struct e1inp_line *oml_line; |
Pablo Neira Ayuso | 2b35201 | 2011-07-02 17:45:42 +0200 | [diff] [blame] | 29 | |
| 30 | switch(type) { |
| 31 | case E1INP_SIGN_OML: |
| 32 | LOGP(DBSCTEST, LOGL_NOTICE, "OML link up request received.\n"); |
| 33 | e1inp_ts_config_sign(&line->ts[E1INP_SIGN_OML - 1], line); |
| 34 | sign_link = oml_sign_link = |
| 35 | e1inp_sign_link_create(&line->ts[E1INP_SIGN_OML - 1], |
| 36 | E1INP_SIGN_OML, NULL, 255, 0); |
| 37 | break; |
| 38 | case E1INP_SIGN_RSL: |
Pablo Neira Ayuso | 1ca98b9 | 2011-07-08 15:05:42 +0200 | [diff] [blame] | 39 | if (!oml_sign_link) { |
| 40 | LOGP(DBSCTEST, LOGL_ERROR, "OML link not yet set, " |
| 41 | "giving up\n"); |
| 42 | return NULL; |
| 43 | } |
Pablo Neira Ayuso | 2b35201 | 2011-07-02 17:45:42 +0200 | [diff] [blame] | 44 | LOGP(DBSCTEST, LOGL_NOTICE, "RSL link up request received.\n"); |
Pablo Neira Ayuso | 1ca98b9 | 2011-07-08 15:05:42 +0200 | [diff] [blame] | 45 | |
| 46 | /* We have to use the same line that the OML link. */ |
| 47 | oml_line = oml_sign_link->ts->line; |
| 48 | e1inp_ts_config_sign(&oml_line->ts[E1INP_SIGN_RSL - 1], |
| 49 | oml_line); |
Pablo Neira Ayuso | 2b35201 | 2011-07-02 17:45:42 +0200 | [diff] [blame] | 50 | sign_link = rsl_sign_link = |
Pablo Neira Ayuso | 1ca98b9 | 2011-07-08 15:05:42 +0200 | [diff] [blame] | 51 | e1inp_sign_link_create(&oml_line->ts[E1INP_SIGN_RSL - 1], |
| 52 | E1INP_SIGN_RSL, NULL, 0, 0); |
Pablo Neira Ayuso | 2b35201 | 2011-07-02 17:45:42 +0200 | [diff] [blame] | 53 | break; |
| 54 | default: |
| 55 | break; |
| 56 | } |
| 57 | if (sign_link) |
| 58 | LOGP(DBSCTEST, LOGL_NOTICE, "signal link has been set up.\n"); |
| 59 | |
| 60 | return sign_link; |
| 61 | } |
| 62 | |
| 63 | static void sign_link_down(struct e1inp_line *line) |
| 64 | { |
| 65 | LOGP(DBSCTEST, LOGL_NOTICE, "signal link has been closed\n"); |
Pablo Neira Ayuso | 5a8cca3 | 2012-08-22 14:01:49 +0200 | [diff] [blame] | 66 | if (oml_sign_link) { |
Pablo Neira Ayuso | 49bc872 | 2011-07-08 15:23:36 +0200 | [diff] [blame] | 67 | e1inp_sign_link_destroy(oml_sign_link); |
Pablo Neira Ayuso | 5a8cca3 | 2012-08-22 14:01:49 +0200 | [diff] [blame] | 68 | oml_sign_link = NULL; |
| 69 | } |
| 70 | if (rsl_sign_link) { |
Pablo Neira Ayuso | 49bc872 | 2011-07-08 15:23:36 +0200 | [diff] [blame] | 71 | e1inp_sign_link_destroy(rsl_sign_link); |
Pablo Neira Ayuso | 5a8cca3 | 2012-08-22 14:01:49 +0200 | [diff] [blame] | 72 | rsl_sign_link = NULL; |
| 73 | } |
Pablo Neira Ayuso | 2b35201 | 2011-07-02 17:45:42 +0200 | [diff] [blame] | 74 | } |
| 75 | |
Pablo Neira Ayuso | 904d8f2 | 2011-07-05 18:32:12 +0200 | [diff] [blame] | 76 | static void fill_om_hdr(struct abis_om_hdr *oh, uint8_t len) |
| 77 | { |
| 78 | oh->mdisc = ABIS_OM_MDISC_FOM; |
| 79 | oh->placement = ABIS_OM_PLACEMENT_ONLY; |
| 80 | oh->sequence = 0; |
| 81 | oh->length = len; |
| 82 | } |
| 83 | |
| 84 | static void fill_om_fom_hdr(struct abis_om_hdr *oh, uint8_t len, |
| 85 | uint8_t msg_type, uint8_t obj_class, |
| 86 | uint8_t bts_nr, uint8_t trx_nr, uint8_t ts_nr) |
| 87 | { |
| 88 | struct abis_om_fom_hdr *foh = |
| 89 | (struct abis_om_fom_hdr *) oh->data; |
| 90 | |
| 91 | fill_om_hdr(oh, len+sizeof(*foh)); |
| 92 | foh->msg_type = msg_type; |
| 93 | foh->obj_class = obj_class; |
| 94 | foh->obj_inst.bts_nr = bts_nr; |
| 95 | foh->obj_inst.trx_nr = trx_nr; |
| 96 | foh->obj_inst.ts_nr = ts_nr; |
| 97 | } |
| 98 | |
| 99 | #define OM_ALLOC_SIZE 1024 |
| 100 | #define OM_HEADROOM_SIZE 128 |
| 101 | |
| 102 | static struct msgb *nm_msgb_alloc(void) |
| 103 | { |
| 104 | return msgb_alloc_headroom(OM_ALLOC_SIZE, OM_HEADROOM_SIZE, "OML"); |
| 105 | } |
| 106 | |
| 107 | |
| 108 | static int abis_nm_sw_act_req_ack(struct e1inp_sign_link *sign_link, |
| 109 | uint8_t obj_class, |
| 110 | uint8_t i1, uint8_t i2, uint8_t i3, |
| 111 | uint8_t *attr, int att_len) |
| 112 | { |
| 113 | struct abis_om_hdr *oh; |
| 114 | struct msgb *msg = nm_msgb_alloc(); |
| 115 | uint8_t msgtype = NM_MT_SW_ACT_REQ_ACK; |
| 116 | |
| 117 | oh = (struct abis_om_hdr *) msgb_put(msg, ABIS_OM_FOM_HDR_SIZE); |
| 118 | fill_om_fom_hdr(oh, att_len, msgtype, obj_class, i1, i2, i3); |
| 119 | |
| 120 | if (attr) { |
| 121 | uint8_t *ptr = msgb_put(msg, att_len); |
| 122 | memcpy(ptr, attr, att_len); |
| 123 | } |
| 124 | msg->dst = sign_link; |
| 125 | return abis_sendmsg(msg); |
| 126 | } |
| 127 | |
| 128 | static int abis_nm_rx_sw_act_req(struct msgb *msg) |
| 129 | { |
| 130 | struct abis_om_hdr *oh = msgb_l2(msg); |
| 131 | struct abis_om_fom_hdr *foh = msgb_l3(msg); |
| 132 | int ret; |
| 133 | |
| 134 | ret = abis_nm_sw_act_req_ack(msg->dst, |
| 135 | foh->obj_class, |
| 136 | foh->obj_inst.bts_nr, |
| 137 | foh->obj_inst.trx_nr, |
| 138 | foh->obj_inst.ts_nr, |
| 139 | foh->data, oh->length-sizeof(*foh)); |
| 140 | |
| 141 | return ret; |
| 142 | } |
| 143 | |
| 144 | static int abis_nm_rcvmsg_fom(struct msgb *msg) |
| 145 | { |
| 146 | struct abis_om_fom_hdr *foh = msgb_l3(msg); |
| 147 | uint8_t mt = foh->msg_type; |
| 148 | int ret = 0; |
| 149 | |
| 150 | switch (mt) { |
| 151 | case NM_MT_SW_ACT_REQ: /* Software activate request from BTS. */ |
| 152 | ret = abis_nm_rx_sw_act_req(msg); |
| 153 | break; |
| 154 | default: |
| 155 | break; |
| 156 | } |
| 157 | return ret; |
| 158 | } |
| 159 | |
| 160 | static int abis_nm_rcvmsg(struct msgb *msg) |
| 161 | { |
| 162 | int ret = 0; |
| 163 | struct abis_om_hdr *oh = msgb_l2(msg); |
| 164 | |
| 165 | msg->l3h = (unsigned char *)oh + sizeof(*oh); |
| 166 | switch (oh->mdisc) { |
| 167 | case ABIS_OM_MDISC_FOM: |
| 168 | ret = abis_nm_rcvmsg_fom(msg); |
| 169 | break; |
| 170 | default: |
| 171 | LOGP(DBSCTEST, LOGL_ERROR, "unknown OML message\n"); |
| 172 | break; |
| 173 | } |
| 174 | return ret; |
| 175 | } |
| 176 | |
Pablo Neira Ayuso | dbd82fb | 2011-07-05 15:29:23 +0200 | [diff] [blame] | 177 | static int sign_link(struct msgb *msg) |
Pablo Neira Ayuso | 2b35201 | 2011-07-02 17:45:42 +0200 | [diff] [blame] | 178 | { |
Pablo Neira Ayuso | 904d8f2 | 2011-07-05 18:32:12 +0200 | [diff] [blame] | 179 | int ret = 0; |
| 180 | struct e1inp_sign_link *link = msg->dst; |
| 181 | |
| 182 | switch(link->type) { |
| 183 | case E1INP_SIGN_RSL: |
| 184 | LOGP(DBSCTEST, LOGL_NOTICE, "RSL message received.\n"); |
| 185 | break; |
| 186 | case E1INP_SIGN_OML: |
| 187 | LOGP(DBSCTEST, LOGL_NOTICE, "OML message received.\n"); |
| 188 | ret = abis_nm_rcvmsg(msg); |
| 189 | break; |
| 190 | default: |
| 191 | LOGP(DBSCTEST, LOGL_ERROR, "Unknown signallin message.\n"); |
| 192 | break; |
| 193 | } |
Pablo Neira Ayuso | 7251604 | 2012-08-23 23:34:05 +0200 | [diff] [blame] | 194 | msgb_free(msg); |
Pablo Neira Ayuso | 904d8f2 | 2011-07-05 18:32:12 +0200 | [diff] [blame] | 195 | return ret; |
Pablo Neira Ayuso | 2b35201 | 2011-07-02 17:45:42 +0200 | [diff] [blame] | 196 | } |
| 197 | |
Pablo Neira Ayuso | e19c70a | 2011-06-12 15:15:30 +0200 | [diff] [blame] | 198 | const struct log_info bsc_test_log_info = { |
| 199 | .filter_fn = NULL, |
| 200 | .cat = bsc_test_cat, |
| 201 | .num_cat = ARRAY_SIZE(bsc_test_cat), |
| 202 | }; |
| 203 | |
Pablo Neira Ayuso | 1fd93bb | 2012-08-23 23:26:19 +0200 | [diff] [blame] | 204 | static struct e1inp_line *line; |
| 205 | |
| 206 | static void sighandler(int foo) |
| 207 | { |
| 208 | e1inp_line_put(line); |
| 209 | exit(EXIT_SUCCESS); |
| 210 | } |
| 211 | |
Pablo Neira Ayuso | 0ba77d5 | 2011-06-05 18:32:44 +0200 | [diff] [blame] | 212 | int main(void) |
| 213 | { |
Pablo Neira Ayuso | 54b4979 | 2011-06-07 12:15:26 +0200 | [diff] [blame] | 214 | tall_test = talloc_named_const(NULL, 1, "e1inp_test"); |
| 215 | libosmo_abis_init(tall_test); |
Pablo Neira Ayuso | 0ba77d5 | 2011-06-05 18:32:44 +0200 | [diff] [blame] | 216 | |
Pablo Neira Ayuso | e19c70a | 2011-06-12 15:15:30 +0200 | [diff] [blame] | 217 | osmo_init_logging(&bsc_test_log_info); |
| 218 | |
Pablo Neira Ayuso | 5a4b7c5 | 2011-06-07 14:07:48 +0200 | [diff] [blame] | 219 | struct e1inp_line_ops ops = { |
Pablo Neira Ayuso | 4e862cb | 2011-08-19 18:43:38 +0200 | [diff] [blame] | 220 | .cfg = { |
| 221 | .ipa = { |
| 222 | .addr = "0.0.0.0", |
| 223 | .role = E1INP_LINE_R_BSC, |
| 224 | }, |
| 225 | }, |
Pablo Neira Ayuso | 5a4b7c5 | 2011-06-07 14:07:48 +0200 | [diff] [blame] | 226 | .sign_link_up = sign_link_up, |
Pablo Neira Ayuso | c9c4fd3 | 2011-06-30 12:19:42 +0200 | [diff] [blame] | 227 | .sign_link_down = sign_link_down, |
Pablo Neira Ayuso | 5a4b7c5 | 2011-06-07 14:07:48 +0200 | [diff] [blame] | 228 | .sign_link = sign_link, |
Pablo Neira Ayuso | 5a4b7c5 | 2011-06-07 14:07:48 +0200 | [diff] [blame] | 229 | }; |
| 230 | |
Pablo Neira Ayuso | 1fd93bb | 2012-08-23 23:26:19 +0200 | [diff] [blame] | 231 | if (signal(SIGINT, sighandler) == SIG_ERR || |
| 232 | signal(SIGTERM, sighandler) == SIG_ERR) { |
| 233 | perror("Cannot set sighandler"); |
| 234 | exit(EXIT_FAILURE); |
| 235 | } |
| 236 | |
Pablo Neira Ayuso | 0ba77d5 | 2011-06-05 18:32:44 +0200 | [diff] [blame] | 237 | #define LINENR 0 |
| 238 | |
Pablo Neira Ayuso | f163d23 | 2011-06-25 18:42:55 +0200 | [diff] [blame] | 239 | line = e1inp_line_create(LINENR, "ipa"); |
Pablo Neira Ayuso | 0ba77d5 | 2011-06-05 18:32:44 +0200 | [diff] [blame] | 240 | if (line == NULL) { |
Pablo Neira Ayuso | e19c70a | 2011-06-12 15:15:30 +0200 | [diff] [blame] | 241 | LOGP(DBSCTEST, LOGL_ERROR, "problem creating E1 line\n"); |
Pablo Neira Ayuso | 0ba77d5 | 2011-06-05 18:32:44 +0200 | [diff] [blame] | 242 | exit(EXIT_FAILURE); |
| 243 | } |
Pablo Neira Ayuso | 0ba77d5 | 2011-06-05 18:32:44 +0200 | [diff] [blame] | 244 | |
Pablo Neira Ayuso | f163d23 | 2011-06-25 18:42:55 +0200 | [diff] [blame] | 245 | e1inp_line_bind_ops(line, &ops); |
| 246 | |
Pablo Neira Ayuso | 0ba77d5 | 2011-06-05 18:32:44 +0200 | [diff] [blame] | 247 | /* |
| 248 | * Depending if this is a real or virtual E1 lines: |
| 249 | * - real (ISDN): create signal link for OML and RSL before line up. |
Pablo Neira Ayuso | 5a4b7c5 | 2011-06-07 14:07:48 +0200 | [diff] [blame] | 250 | * - vitual (INET): we create it in signal_link_up(...) callback. |
Pablo Neira Ayuso | 0ba77d5 | 2011-06-05 18:32:44 +0200 | [diff] [blame] | 251 | * |
| 252 | * The signal link is created via e1inp_sign_link_create(...) |
| 253 | * |
| 254 | * See e1_reconfig_trx and e1_reconfig_bts in libbsc/e1_config.c, |
| 255 | * it explains how this is done with ISDN. |
| 256 | */ |
| 257 | |
Pablo Neira Ayuso | f163d23 | 2011-06-25 18:42:55 +0200 | [diff] [blame] | 258 | if (e1inp_line_update(line) < 0) { |
Pablo Neira Ayuso | e19c70a | 2011-06-12 15:15:30 +0200 | [diff] [blame] | 259 | LOGP(DBSCTEST, LOGL_ERROR, "problem creating E1 line\n"); |
Pablo Neira Ayuso | 0ba77d5 | 2011-06-05 18:32:44 +0200 | [diff] [blame] | 260 | exit(EXIT_FAILURE); |
| 261 | } |
| 262 | |
Pablo Neira Ayuso | e19c70a | 2011-06-12 15:15:30 +0200 | [diff] [blame] | 263 | LOGP(DBSCTEST, LOGL_NOTICE, "entering main loop\n"); |
| 264 | |
Pablo Neira Ayuso | 0ba77d5 | 2011-06-05 18:32:44 +0200 | [diff] [blame] | 265 | while (1) { |
| 266 | osmo_select_main(0); |
| 267 | } |
| 268 | return 0; |
| 269 | } |