@Blog{zip358.com}

<?php
require 'vendor/autoload.php';

use WebSocket\Client;

class bitflyer
{
    public $client = null;
    public $channelName = "lightning_board_snapshot_BTC_JPY";
    public $wsUrl = 'wss://ws.lightstream.bitflyer.com/json-rpc';

    public function connecting()
    {
        try {
            // WebSocketクライアントを初期化
            echo "Connecting to WebSocket server...\n";
            $this->client = new Client($this->wsUrl);

            echo "Connection established. Subscribing to channel...\n";

            // サブスクライブメッセージを送信
            $subscribeMessage = json_encode([
                'method' => 'subscribe',
                'params' => ['channel' => $this->channelName],
                'id' => null,
            ]);
            $this->client->send($subscribeMessage);
        } catch (\WebSocket\ConnectionException $e) {
            echo "WebSocket connection error: " . $e->getMessage() . "\n";
            sleep(1); // 1秒待機して再接続
            $this->client = null;
            $this->connecting()->receive();
        } catch (Exception $e) {
            echo "General error: " . $e->getMessage() . "\n";
            $this->client = null;
            $this->connecting()->receive();
        }
        return $this;
    }

    public function receive()
    {
        try {
            // メッセージ受信処理
            while (true) {
                $message = $this->client->receive();

                // 受信データが空でないか確認
                if (!empty($message)) {
                    $data = json_decode($message, true);

                    // デコードが成功したか確認
                    if (json_last_error() === JSON_ERROR_NONE) {
                        if (isset($data['method']) && $data['method'] === 'channelMessage') {
                            print_r($data['params']);
                        }
                    } else {
                        echo "JSON デコード エラー: " . json_last_error_msg() . "\n";
                    }
                } else {
                    echo "返却値 空.\n";
                }
            }
        } catch (Exception $e) {
            echo $e->getMessage();
            $this->client = null;
            $this->connecting()->receive();
        }

        echo "Ctrl+C にて終了\n";
        return $this;
    }
}

(new bitflyer)->connecting()->receive();