Function client_parser

components/net/at/src/at_client.c:840–913

}

static void client_parser(at_client_t client)
{
    while (1)
    {
        if (at_recv_readline(client) > 0)
        {
            if (client->urc != RT_NULL)
            {
                /* current receive is request, try to execute related operations */
                if (client->urc->func != RT_NULL)
                {
                    client->urc->func(client, client->recv_line_buf, client->recv_line_len);
                }
                client->urc = RT_NULL;
            }
            else if (client->resp != RT_NULL)
            {
                at_response_t resp = client->resp;

                char end_ch = client->recv_line_buf[client->recv_line_len - 1];

                /* current receive is response */
                client->recv_line_buf[client->recv_line_len - 1] = '\0';
                if (resp->buf_len + client->recv_line_len < resp->buf_size)
                {
                    /* copy response lines, separated by '\0' */
                    rt_memcpy(resp->buf + resp->buf_len, client->recv_line_buf, client->recv_line_len);

                    /* update the current response information */
                    resp->buf_len += client->recv_line_len;
                    resp->line_counts++;
                }
                else
                {
                    client->resp_status = AT_RESP_BUFF_FULL;
                    LOG_E("Read response buffer failed. The Response buffer size is out of buffer size(%d)!", resp->buf_size);
                }
                /* check response result */
                if ((client->end_sign != 0) && (end_ch == client->end_sign) && (resp->line_num == 0))
                {
                    /* get the end sign, return response state END_OK.*/
                    client->resp_status = AT_RESP_OK;
                }
                else if (rt_memcmp(client->recv_line_buf, AT_RESP_END_OK, rt_strlen(AT_RESP_END_OK)) == 0
                         && resp->line_num == 0)
                {
                    /* get the end data by response result, return response state END_OK. */
                    client->resp_status = AT_RESP_OK;
                }
                else if (rt_strstr(client->recv_line_buf, AT_RESP_END_ERROR)
                         || (rt_memcmp(client->recv_line_buf, AT_RESP_END_FAIL, rt_strlen(AT_RESP_END_FAIL)) == 0))
                {
                    client->resp_status = AT_RESP_ERROR;
                }
                else if (resp->line_counts == resp->line_num && resp->line_num)
                {
                    /* get the end data by response line, return response state END_OK.*/
                    client->resp_status = AT_RESP_OK;