| /* (C) 2018-2020 by Harald Welte <laforge@gnumonks.org> |
| * |
| * All Rights Reserved |
| * |
| * SPDX-License-Identifier: GPL-2.0+ |
| * |
| * This program is free software; you can redistribute it and/or modify |
| * it under the terms of the GNU General Public License as published by |
| * the Free Software Foundation; either version 2 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 General Public License along |
| * with this program; if not, write to the Free Software Foundation, Inc., |
| * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| */ |
| |
| #include <errno.h> |
| #include <string.h> |
| |
| #include <talloc.h> |
| |
| #include <osmocom/core/fsm.h> |
| #include <osmocom/core/utils.h> |
| #include <osmocom/core/logging.h> |
| |
| #include "rspro_util.h" |
| #include "client.h" |
| #include "debug.h" |
| |
| static int bankd_handle_rx(struct rspro_server_conn *bankdc, const RsproPDU_t *pdu) |
| { |
| switch (pdu->msg.present) { |
| case RsproPDUchoice_PR_connectClientRes: |
| /* Store 'identity' of bankd to in peer_comp_id */ |
| rspro_comp_id_retrieve(&bankdc->peer_comp_id, &pdu->msg.choice.connectClientRes.identity); |
| osmo_fsm_inst_dispatch(bankdc->fi, SRVC_E_CLIENT_CONN_RES, (void *) pdu); |
| break; |
| case RsproPDUchoice_PR_tpduCardToModem: |
| case RsproPDUchoice_PR_setAtrReq: |
| return client_user_bankd_handle_rx(bankdc, pdu); |
| default: |
| LOGPFSML(bankdc->fi, LOGL_ERROR, "Unknown/Unsupported RSPRO PDU %s\n", |
| rspro_msgt_name(pdu)); |
| return -1; |
| } |
| |
| return 0; |
| } |
| |
| /* handle incoming messages from server */ |
| static int srvc_handle_rx(struct rspro_server_conn *srvc, const RsproPDU_t *pdu) |
| { |
| struct bankd_client *bc = srvc2bankd_client(srvc); |
| RsproPDU_t *resp; |
| |
| switch (pdu->msg.present) { |
| case RsproPDUchoice_PR_connectClientRes: |
| /* Store 'identity' of server in srvc->peer_comp_id */ |
| rspro_comp_id_retrieve(&srvc->peer_comp_id, &pdu->msg.choice.connectClientRes.identity); |
| osmo_fsm_inst_dispatch(srvc->fi, SRVC_E_CLIENT_CONN_RES, (void *) pdu); |
| break; |
| case RsproPDUchoice_PR_configClientIdReq: |
| /* store/set the clientID as instructed by the server */ |
| if (!srvc->clslot) |
| srvc->clslot = talloc_zero(srvc, ClientSlot_t); |
| *srvc->clslot = pdu->msg.choice.configClientIdReq.clientSlot; |
| if (!bc->bankd_conn.clslot) |
| bc->bankd_conn.clslot = talloc_zero(bc, ClientSlot_t); |
| *bc->bankd_conn.clslot = *bc->srv_conn.clslot; |
| /* send response to server */ |
| resp = rspro_gen_ConfigClientIdRes(ResultCode_ok); |
| server_conn_send_rspro(srvc, resp); |
| break; |
| case RsproPDUchoice_PR_configClientBankReq: |
| /* store/set the bankd ip/port as instructed by the server */ |
| osmo_talloc_replace_string(bc, &bc->bankd_conn.server_host, |
| rspro_IpAddr2str(&pdu->msg.choice.configClientBankReq.bankd.ip)); |
| rspro2bank_slot(&bc->bankd_slot, &pdu->msg.choice.configClientBankReq.bankSlot); |
| bc->bankd_conn.server_port = pdu->msg.choice.configClientBankReq.bankd.port; |
| /* bankd port 0 is a magic value to indicate "no bankd" */ |
| if (bc->bankd_conn.server_port == 0) |
| osmo_fsm_inst_dispatch(bc->bankd_conn.fi, SRVC_E_DISCONNECT, NULL); |
| else |
| osmo_fsm_inst_dispatch(bc->bankd_conn.fi, SRVC_E_ESTABLISH, NULL); |
| /* send response to server */ |
| resp = rspro_gen_ConfigClientBankRes(ResultCode_ok); |
| server_conn_send_rspro(srvc, resp); |
| break; |
| default: |
| LOGPFSML(srvc->fi, LOGL_ERROR, "Unknown/Unsupported RSPRO PDU type: %s\n", |
| rspro_msgt_name(pdu)); |
| return -1; |
| } |
| |
| return 0; |
| } |
| |
| struct bankd_client *remsim_client_create(void *ctx, const char *name, const char *software) |
| { |
| struct bankd_client *bc = talloc_zero(ctx, struct bankd_client); |
| struct rspro_server_conn *srvc, *bankdc; |
| int rc; |
| |
| if (!bc) |
| return NULL; |
| |
| /* create and [attempt to] establish connection to remsim-server */ |
| srvc = &bc->srv_conn; |
| srvc->server_host = "localhost"; |
| srvc->server_port = 9998; |
| srvc->handle_rx = srvc_handle_rx; |
| srvc->own_comp_id.type = ComponentType_remsimClient; |
| OSMO_STRLCPY_ARRAY(srvc->own_comp_id.name, name); |
| OSMO_STRLCPY_ARRAY(srvc->own_comp_id.software, software); |
| OSMO_STRLCPY_ARRAY(srvc->own_comp_id.sw_version, PACKAGE_VERSION); |
| |
| rc = server_conn_fsm_alloc(bc, srvc); |
| if (rc < 0) { |
| fprintf(stderr, "Unable to create Server conn FSM: %s\n", strerror(errno)); |
| exit(1); |
| } |
| |
| bankdc = &bc->bankd_conn; |
| /* server_host / server_port are configured from remsim-server */ |
| bankdc->handle_rx = bankd_handle_rx; |
| memcpy(&bankdc->own_comp_id, &srvc->own_comp_id, sizeof(bankdc->own_comp_id)); |
| rc = server_conn_fsm_alloc(bc, bankdc); |
| if (rc < 0) { |
| fprintf(stderr, "Unable to connect bankd conn FSM: %s\n", strerror(errno)); |
| exit(1); |
| } |
| osmo_fsm_inst_update_id(bankdc->fi, "bankd"); |
| |
| return bc; |
| } |
| |
| void remsim_client_set_clslot(struct bankd_client *bc, int client_id, int slot_nr) |
| { |
| if (!bc->srv_conn.clslot) { |
| bc->srv_conn.clslot = talloc_zero(bc, ClientSlot_t); |
| OSMO_ASSERT(bc->srv_conn.clslot); |
| } |
| |
| if (!bc->bankd_conn.clslot) { |
| bc->bankd_conn.clslot = talloc_zero(bc, ClientSlot_t); |
| OSMO_ASSERT(bc->bankd_conn.clslot); |
| } |
| |
| if (client_id >= 0) { |
| bc->srv_conn.clslot->clientId = client_id; |
| bc->bankd_conn.clslot->clientId = client_id; |
| } |
| |
| if (slot_nr >= 0) { |
| bc->srv_conn.clslot->slotNr = slot_nr; |
| bc->bankd_conn.clslot->slotNr = slot_nr; |
| } |
| } |