@libp2p/tcp/dist/src/utils.js

A TCP transport for libp2p

import os from 'os';
import path from 'path';
import { InvalidParametersError } from '@libp2p/interface';
import { getNetConfig } from '@libp2p/utils';
import { CODE_UNIX } from '@multiformats/multiaddr';
import { Unix } from '@multiformats/multiaddr-matcher';
export function multiaddrToNetConfig(addr, options = {}) {
    if (Unix.exactMatch(addr)) {
        const listenPath = addr.getComponents().find(c => c.code === CODE_UNIX)?.value;
        if (listenPath == null) {
            throw new InvalidParametersError(`Multiaddr ${addr} was not a Unix address`);
        }
        // unix socket listening
        if (os.platform() === 'win32') {
            // Use named pipes on Windows systems.
            return { path: path.join('\\\\.\\pipe\\', listenPath) };
        }
        else {
            return { path: listenPath };
        }
    }
    const config = getNetConfig(addr);
    const host = config.host;
    const port = config.port;
    // tcp listening
    return {
        host,
        port,
        ipv6Only: config.type === 'ip6',
        ...options
    };
}
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