wolfssl-examples/can-bus/client.c

65 lines
1.7 KiB
C

/* client.c
*
* Copyright (C) 2021 wolfSSL Inc.
*
* This file is part of wolfSSL.
*
* wolfSSL 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.
*
* wolfSSL 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 "common.h"
extern volatile int keep_running;
int main(int argc, char *argv[])
{
WOLFSSL_CTX *ctx = NULL;
WOLFSSL_METHOD* method = NULL;
WOLFSSL* ssl = NULL;
int ret;
if (argc != 2) {
printf("Usage: ./client <CAN interface>\n");
return -1;
}
ret = setup_connection(argv[1], CLIENT_ID, SERVER_ID);
if (ret) {
return ret;
}
ret = setup_ssl(SERVICE_TYPE_CLIENT, &ctx, &method, &ssl);
if (ret) {
return ret;
}
while(keep_running) {
char *line = NULL;
size_t len = 0;
ssize_t line_size = 0;
line_size = getline(&line, &len, stdin);
if (line_size > 0) {
printf("Sending: %s\n", line);
wolfSSL_send(ssl, line, line_size, 0);
printf("Message sent\n");
}
free(line);
}
close_ssl(ctx, ssl);
return 0;
}