260 lines
7.3 KiB
C
260 lines
7.3 KiB
C
/* (C) 2018-2020 by Harald Welte <laforge@gnumonks.org>
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*
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* All Rights Reserved
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*
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* SPDX-License-Identifier: GPL-2.0+
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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*/
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#include <errno.h>
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#include <string.h>
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#include <talloc.h>
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#include <osmocom/core/fsm.h>
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#include <osmocom/core/utils.h>
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#include <osmocom/core/logging.h>
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#include "rspro_util.h"
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#include "client.h"
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#include "debug.h"
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static int bankd_handle_rx(struct rspro_server_conn *bankdc, const RsproPDU_t *pdu)
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{
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switch (pdu->msg.present) {
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case RsproPDUchoice_PR_connectClientRes:
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/* Store 'identity' of bankd to in peer_comp_id */
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rspro_comp_id_retrieve(&bankdc->peer_comp_id, &pdu->msg.choice.connectClientRes.identity);
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osmo_fsm_inst_dispatch(bankdc->fi, SRVC_E_CLIENT_CONN_RES, (void *) pdu);
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break;
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case RsproPDUchoice_PR_tpduCardToModem:
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case RsproPDUchoice_PR_setAtrReq:
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return client_user_bankd_handle_rx(bankdc, pdu);
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default:
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LOGPFSML(bankdc->fi, LOGL_ERROR, "Unknown/Unsupported RSPRO PDU %s\n",
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rspro_msgt_name(pdu));
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return -1;
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}
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return 0;
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}
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/* handle incoming messages from server */
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static int srvc_handle_rx(struct rspro_server_conn *srvc, const RsproPDU_t *pdu)
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{
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struct bankd_client *bc = srvc2bankd_client(srvc);
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RsproPDU_t *resp;
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switch (pdu->msg.present) {
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case RsproPDUchoice_PR_connectClientRes:
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/* Store 'identity' of server in srvc->peer_comp_id */
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rspro_comp_id_retrieve(&srvc->peer_comp_id, &pdu->msg.choice.connectClientRes.identity);
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osmo_fsm_inst_dispatch(srvc->fi, SRVC_E_CLIENT_CONN_RES, (void *) pdu);
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break;
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case RsproPDUchoice_PR_configClientIdReq:
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/* store/set the clientID as instructed by the server */
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if (!srvc->clslot)
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srvc->clslot = talloc_zero(srvc, ClientSlot_t);
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*srvc->clslot = pdu->msg.choice.configClientIdReq.clientSlot;
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if (!bc->bankd_conn.clslot)
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bc->bankd_conn.clslot = talloc_zero(bc, ClientSlot_t);
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*bc->bankd_conn.clslot = *bc->srv_conn.clslot;
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/* send response to server */
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resp = rspro_gen_ConfigClientIdRes(ResultCode_ok);
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server_conn_send_rspro(srvc, resp);
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break;
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case RsproPDUchoice_PR_configClientBankReq:
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/* store/set the bankd ip/port as instructed by the server */
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osmo_talloc_replace_string(bc, &bc->bankd_conn.server_host,
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rspro_IpAddr2str(&pdu->msg.choice.configClientBankReq.bankd.ip));
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rspro2bank_slot(&bc->bankd_slot, &pdu->msg.choice.configClientBankReq.bankSlot);
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bc->bankd_conn.server_port = pdu->msg.choice.configClientBankReq.bankd.port;
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/* instruct bankd FSM to connect */
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osmo_fsm_inst_dispatch(bc->bankd_conn.fi, SRVC_E_ESTABLISH, NULL);
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/* send response to server */
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resp = rspro_gen_ConfigClientBankRes(ResultCode_ok);
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server_conn_send_rspro(srvc, resp);
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break;
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default:
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LOGPFSML(srvc->fi, LOGL_ERROR, "Unknown/Unsupported RSPRO PDU type: %s\n",
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rspro_msgt_name(pdu));
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return -1;
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}
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return 0;
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}
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struct bankd_client *remsim_client_create(void *ctx, const char *name, const char *software)
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{
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struct bankd_client *bc = talloc_zero(ctx, struct bankd_client);
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struct rspro_server_conn *srvc, *bankdc;
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int rc;
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if (!bc)
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return NULL;
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/* create and [attempt to] establish connection to remsim-server */
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srvc = &bc->srv_conn;
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srvc->server_host = "localhost";
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srvc->server_port = 9998;
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srvc->handle_rx = srvc_handle_rx;
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srvc->own_comp_id.type = ComponentType_remsimClient;
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OSMO_STRLCPY_ARRAY(srvc->own_comp_id.name, name);
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OSMO_STRLCPY_ARRAY(srvc->own_comp_id.software, software);
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OSMO_STRLCPY_ARRAY(srvc->own_comp_id.sw_version, PACKAGE_VERSION);
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rc = server_conn_fsm_alloc(bc, srvc);
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if (rc < 0) {
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fprintf(stderr, "Unable to create Server conn FSM: %s\n", strerror(errno));
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exit(1);
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}
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bankdc = &bc->bankd_conn;
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/* server_host / server_port are configured from remsim-server */
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bankdc->handle_rx = bankd_handle_rx;
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memcpy(&bankdc->own_comp_id, &srvc->own_comp_id, sizeof(bankdc->own_comp_id));
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rc = server_conn_fsm_alloc(bc, bankdc);
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if (rc < 0) {
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fprintf(stderr, "Unable to connect bankd conn FSM: %s\n", strerror(errno));
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exit(1);
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}
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osmo_fsm_inst_update_id(bankdc->fi, "bankd");
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return bc;
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}
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void remsim_client_set_clslot(struct bankd_client *bc, int client_id, int slot_nr)
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{
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if (!bc->srv_conn.clslot) {
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bc->srv_conn.clslot = talloc_zero(bc, ClientSlot_t);
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OSMO_ASSERT(bc->srv_conn.clslot);
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}
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if (!bc->bankd_conn.clslot) {
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bc->bankd_conn.clslot = talloc_zero(bc, ClientSlot_t);
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OSMO_ASSERT(bc->bankd_conn.clslot);
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}
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if (client_id >= 0) {
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bc->srv_conn.clslot->clientId = client_id;
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bc->bankd_conn.clslot->clientId = client_id;
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}
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if (slot_nr >= 0) {
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bc->srv_conn.clslot->slotNr = slot_nr;
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bc->bankd_conn.clslot->slotNr = slot_nr;
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}
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}
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#include <signal.h>
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#include <unistd.h>
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#define _GNU_SOURCE
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#include <getopt.h>
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#include <osmocom/core/msgb.h>
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#include <osmocom/core/application.h>
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static void *g_tall_ctx;
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void __thread *talloc_asn1_ctx;
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int asn_debug;
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static void handle_sig_usr1(int signal)
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{
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OSMO_ASSERT(signal == SIGUSR1);
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talloc_report_full(g_tall_ctx, stderr);
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}
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static void printf_help()
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{
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printf(
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" -h --help Print this help message\n"
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" -i --server-ip A.B.C.D remsim-server IP address\n"
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" -p --server-port 13245 remsim-server TCP port\n"
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" -i --client-id <0-65535> RSPRO ClientId of this client\n"
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" -n --client-slot <0-65535> RSPRO SlotNr of this client\n"
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);
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}
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static void handle_options(struct bankd_client *bc, int argc, char **argv)
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{
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while (1) {
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int option_index = 0, c;
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static const struct option long_options[] = {
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{ "help", 0, 0, 'h' },
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{ "server-ip", 1, 0, 'i' },
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{ "server-port", 1, 0, 'p' },
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{ "client-id", 1, 0, 'c' },
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{ "client-slot", 1, 0, 'n' },
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{ 0, 0, 0, 0 }
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};
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c = getopt_long(argc, argv, "hi:p:c:n:",
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long_options, &option_index);
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if (c == -1)
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break;
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switch (c) {
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case 'h':
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printf_help();
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exit(0);
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break;
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case 'i':
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bc->srv_conn.server_host = optarg;
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break;
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case 'p':
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bc->srv_conn.server_port = atoi(optarg);
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break;
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case 'c':
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remsim_client_set_clslot(bc, atoi(optarg), -1);
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break;
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case 'n':
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remsim_client_set_clslot(bc, -1, atoi(optarg));
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break;
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default:
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break;
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}
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}
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}
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int main(int argc, char **argv)
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{
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struct bankd_client *g_client;
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char hostname[256];
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gethostname(hostname, sizeof(hostname));
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g_tall_ctx = talloc_named_const(NULL, 0, "global");
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talloc_asn1_ctx = talloc_named_const(g_tall_ctx, 0, "asn1");
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msgb_talloc_ctx_init(g_tall_ctx, 0);
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osmo_init_logging2(g_tall_ctx, &log_info);
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g_client = remsim_client_create(g_tall_ctx, hostname, "remsim-client");
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handle_options(g_client, argc, argv);
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osmo_fsm_inst_dispatch(g_client->srv_conn.fi, SRVC_E_ESTABLISH, NULL);
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signal(SIGUSR1, handle_sig_usr1);
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asn_debug = 0;
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client_user_main(g_client);
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}
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