Zabbix

/*

** Zabbix

** Copyright (C) 2001-2023 Zabbix SIA

**

** 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 "zbxmedia.h"

​

#include "zbxstr.h"

#include "log.h"

​

#include <termios.h>

​

static int  write_gsm(int fd, const char *str, char *error, int max_error_len)

{

    int i, wlen, len, ret = SUCCEED;

​

    zabbix_log(LOG_LEVEL_DEBUG, "In %s() str:'%s'", __func__, str);

​

    len = strlen(str);

​

    for (wlen = 0; wlen < len; wlen += i)

    {

        if (-1 == (i = write(fd, str + wlen, len - wlen)))

        {

            i = 0;

​

            if (EAGAIN == errno)

                continue;

​

            zabbix_log(LOG_LEVEL_DEBUG, "error writing to GSM modem: %s", zbx_strerror(errno));

            if (NULL != error)

                zbx_snprintf(error, max_error_len, "error writing to GSM modem: %s", zbx_strerror(errno));

​

            ret = FAIL;

            break;

        }

    }

​

    zabbix_log(LOG_LEVEL_DEBUG, "End of %s():%s", __func__, zbx_result_string(ret));

​

    return ret;

}

​

static int  check_modem_result(char *buffer, char **ebuf, char **sbuf, const char *expect, char *error,

        int max_error_len)

{

    char    rcv[0xff];

    int i, len, ret = SUCCEED;

​