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<?php
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<?php
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/*
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/*
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 * OID-Info.com API for PHP
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 * OID-Info.com API for PHP
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 * Copyright 2019-2020 Daniel Marschall, ViaThinkSoft
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 * Copyright 2019-2021 Daniel Marschall, ViaThinkSoft
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 * Version 2020-09-12
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 * Version 2021-05-21
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 *
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 *
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 * Licensed under the Apache License, Version 2.0 (the "License");
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 * Licensed under the Apache License, Version 2.0 (the "License");
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 * you may not use this file except in compliance with the License.
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 * you may not use this file except in compliance with the License.
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 * You may obtain a copy of the License at
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 * You may obtain a copy of the License at
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 *
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 *
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        const DEFAULT_PORT = 49500;
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        const DEFAULT_PORT = 49500;
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        protected function spp_reader_init() {
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        protected function spp_reader_init() {
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                $this->spp_reader_uninit();
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                $this->spp_reader_uninit();
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                $ary = explode(':', $this->addr);
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                $ary = explode(':', $this->addr); // TODO: does not work with an IPv6 address
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                $host = $ary[0];
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                $host = $ary[0];
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                $service_port = isset($ary[1]) ? $ary[1] : self::DEFAULT_PORT;
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                $service_port = isset($ary[1]) ? $ary[1] : self::DEFAULT_PORT;
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                $is_ip = filter_var($host, FILTER_VALIDATE_IP) !== false;
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                if (!$is_ip) {
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                $address = @gethostbyname($host);
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                        $address = @gethostbyname($host);
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                if ($address === false) {
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                        if ($address === $host) {
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                        echo "gethostbyname() failed.\n"; // TODO: exceptions? (also all "echos" below)
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                                echo "gethostbyname() failed.\n"; // TODO: exceptions? (also all "echos" below)
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                        return false;
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                                return false;
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                }
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                        }
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                } else {
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                        $address = $host;
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                }
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                $this->socket = @socket_create(AF_INET, SOCK_STREAM, SOL_TCP);
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                $this->socket = @socket_create(AF_INET, SOCK_STREAM, SOL_TCP);
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                if ($this->socket === false) {
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                if ($this->socket === false) {
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                        echo "socket_create() failed: " . socket_strerror(socket_last_error()) . "\n";
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                        echo "socket_create() failed: " . socket_strerror(socket_last_error()) . "\n";
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                        return false;
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                        return false;
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                }
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                }