netconf-client/dist/lib/netconf-buffer.js

Netconf Client

// eslint-disable-next-line @typescript-eslint/no-magic-numbers
const NETCONF_MAX_BUFFER_SIZE = 50 * 1024 * 1024;
export const NETCONF_DELIM = ']]>]]>';
export class NetconfBuffer {
    buffer = Buffer.from('');
    append(chunk) {
        if (this.buffer.length + chunk.length > NETCONF_MAX_BUFFER_SIZE) {
            return false;
        }
        this.buffer = Buffer.concat([this.buffer, chunk]);
        return true;
    }
    extract() {
        const pos = this.buffer.indexOf(NETCONF_DELIM);
        if (pos === -1) {
            return undefined;
        }
        const message = this.buffer.subarray(0, pos).toString();
        this.buffer = this.buffer.subarray(pos + NETCONF_DELIM.length);
        return message;
    }
    clear() {
        this.buffer = Buffer.from('');
    }
    toString() {
        return this.buffer.toString();
    }
}
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