#include #include #include #include #include #include #include #include static void *tall_test; static struct e1inp_sign_link *oml_sign_link, *rsl_sign_link; #define DBTSTEST OSMO_LOG_SS_APPS struct log_info_cat bts_test_cat[] = { [DBTSTEST] = { .name = "DBTSTEST", .description = "BTS-mode test", .color = "\033[1;35m", .enabled = 1, .loglevel = LOGL_NOTICE, }, }; const struct log_info bts_test_log_info = { .filter_fn = NULL, .cat = bts_test_cat, .num_cat = ARRAY_SIZE(bts_test_cat), }; struct dummy_bts { uint16_t bts_id; uint16_t site_id; uint16_t trx_id; uint8_t mac_addr[6]; } dummy_bts = { .site_id = 0, .bts_id = 0, .trx_id = 0, .mac_addr = {0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }, }; char *software_version = "0.1"; static struct msgb *abis_msgb_alloc(int headroom) { struct msgb *nmsg; headroom += sizeof(struct ipaccess_head); nmsg = msgb_alloc_headroom(1200 + headroom, headroom, "dummy BTS"); if (!nmsg) return NULL; return nmsg; } static void abis_push_ipa(struct msgb *msg, uint8_t proto) { struct ipaccess_head *nhh; msg->l2h = msg->data; nhh = (struct ipaccess_head *) msgb_push(msg, sizeof(*nhh)); nhh->proto = proto; nhh->len = htons(msgb_l2len(msg)); } /* XXX: we have to do this in input/ipaccess.c, moreover we have to put this * information in some data structure that we'll pass to sign_link_up. */ static struct msgb *ipa_bts_id_resp(uint8_t *data, int len) { struct msgb *nmsg; char str[64]; uint8_t *tag; nmsg = abis_msgb_alloc(0); if (!nmsg) return NULL; *msgb_put(nmsg, 1) = IPAC_MSGT_ID_RESP; while (len) { if (len < 2) { LOGP(DBTSTEST, LOGL_NOTICE, "Short read of ipaccess tag\n"); msgb_free(nmsg); return NULL; } switch (data[1]) { case IPAC_IDTAG_UNIT: sprintf(str, "%u/%u/%u", dummy_bts.site_id, dummy_bts.bts_id, dummy_bts.trx_id); break; case IPAC_IDTAG_MACADDR: sprintf(str, "%02x:%02x:%02x:%02x:%02x:%02x", dummy_bts.mac_addr[0], dummy_bts.mac_addr[1], dummy_bts.mac_addr[2], dummy_bts.mac_addr[3], dummy_bts.mac_addr[4], dummy_bts.mac_addr[5]); break; case IPAC_IDTAG_LOCATION1: strcpy(str, "osmoBTS"); break; case IPAC_IDTAG_LOCATION2: strcpy(str, "osmoBTS"); break; case IPAC_IDTAG_EQUIPVERS: case IPAC_IDTAG_SWVERSION: strcpy(str, software_version); break; case IPAC_IDTAG_UNITNAME: sprintf(str, "osmoBTS-%02x-%02x-%02x-%02x-%02x-%02x", dummy_bts.mac_addr[0], dummy_bts.mac_addr[1], dummy_bts.mac_addr[2], dummy_bts.mac_addr[3], dummy_bts.mac_addr[4], dummy_bts.mac_addr[5]); break; case IPAC_IDTAG_SERNR: strcpy(str, ""); break; default: LOGP(DBTSTEST, LOGL_NOTICE, "Unknown ipaccess tag 0x%02x\n", *data); msgb_free(nmsg); return NULL; } LOGP(DBTSTEST, LOGL_INFO, " tag %d: %s\n", data[1], str); tag = msgb_put(nmsg, 3 + strlen(str) + 1); tag[0] = 0x00; tag[1] = 1 + strlen(str) + 1; tag[2] = data[1]; memcpy(tag + 3, str, strlen(str) + 1); data += 2; len -= 2; } abis_push_ipa(nmsg, IPAC_PROTO_IPACCESS); return nmsg; } static struct msgb *ipa_bts_id_ack(void) { struct msgb *nmsg2; nmsg2 = abis_msgb_alloc(0); if (!nmsg2) return NULL; *msgb_put(nmsg2, 1) = IPAC_MSGT_ID_ACK; abis_push_ipa(nmsg2, IPAC_PROTO_IPACCESS); return nmsg2; } static struct e1inp_sign_link * sign_link_up(void *unit, struct e1inp_line *line, enum e1inp_sign_type type) { struct msgb *msg = unit; struct msgb *rmsg; uint8_t *data = msgb_l2(msg); int len = msgb_l2len(msg); struct e1inp_sign_link *sign_link = NULL; void *dst = NULL; switch(type) { case E1INP_SIGN_OML: printf("ID_RESP for OML received.\n"); e1inp_ts_config_sign(&line->ts[E1INP_SIGN_OML - 1], line); sign_link = oml_sign_link = e1inp_sign_link_create(&line->ts[E1INP_SIGN_OML - 1], E1INP_SIGN_OML, NULL, 255, 0); if (!oml_sign_link) printf("cannot create OML sign link\n"); dst = oml_sign_link; break; case E1INP_SIGN_RSL: printf("ID_RESP for RSL received.\n"); e1inp_ts_config_sign(&line->ts[E1INP_SIGN_RSL - 1], line); sign_link = rsl_sign_link = e1inp_sign_link_create(&line->ts[E1INP_SIGN_RSL - 1], E1INP_SIGN_RSL, NULL, 0, 0); if (!rsl_sign_link) printf("cannot create RSL sign link\n"); dst = rsl_sign_link; break; default: return NULL; } /* send ID_RESP. */ rmsg = ipa_bts_id_resp(data + 1, len - 1); rmsg->dst = dst; abis_sendmsg(rmsg); /* send ID_ACK. */ rmsg = ipa_bts_id_ack(); rmsg->dst = dst; abis_sendmsg(rmsg); return sign_link; } static void sign_link_down(struct e1inp_line *line) { printf("closing sign link.\n"); } static int sign_link(struct msgb *msg, struct e1inp_sign_link *link) { printf("OML/RSL data received\n"); return 0; } int main(void) { struct e1inp_line *line; tall_test = talloc_named_const(NULL, 1, "e1inp_test"); libosmo_abis_init(tall_test); osmo_init_logging(&bts_test_log_info); struct e1inp_line_ops ops = { .role = E1INP_LINE_R_BTS, .addr = "127.0.0.1", .sign_link_up = sign_link_up, .sign_link_down = sign_link_down, .sign_link = sign_link, }; #define LINENR 0 line = e1inp_line_create(LINENR, "ipa"); if (line == NULL) { LOGP(DBTSTEST, LOGL_ERROR, "problem enabling E1 line\n"); exit(EXIT_FAILURE); } e1inp_line_bind_ops(line, &ops); if (e1inp_line_update(line) < 0) { LOGP(DBTSTEST, LOGL_ERROR, "problem enabling E1 line\n"); exit(EXIT_FAILURE); } LOGP(DBTSTEST, LOGL_NOTICE, "entering main loop\n"); while (1) { osmo_select_main(0); } return 0; }