@sourceregistry/node-ovsdb/dist/index.cjs.map

TypeScript OVSDB client for Node.js

{"version":3,"file":"index.cjs","names":[],"sources":["../src/index.ts"],"sourcesContent":["import {existsSync} from \"node:fs\";\nimport {createConnection as createNetConnection, Socket} from \"node:net\";\nimport {EventEmitter} from \"node:events\";\nimport {Duplex} from \"node:stream\";\nimport {connect as connectTls, TLSSocket} from \"node:tls\";\nimport type {ConnectionOptions as TlsConnectionOptions} from \"node:tls\";\n\nimport type {\n    AbortOperation,\n    AssertOperation,\n    CommentOperation,\n    CommitOperation,\n    DatabaseOperation,\n    DatabaseSchema,\n    DatabaseTableMap,\n    DeleteOperation,\n    InsertOperation,\n    JsonObject,\n    JsonValue,\n    ListDbsResult,\n    LockedNotification,\n    MutateOperation,\n    MonitorCondRequest,\n    MonitorCondSinceResult,\n    MonitorRequest,\n    OperationResult,\n    OperationResults,\n    OvsdbError,\n    OvsdbNotification,\n    OvsdbResponse,\n    OvsdbValue,\n    SelectOperation,\n    StolenNotification,\n    TableUpdates,\n    TableUpdates2,\n    Update2Notification,\n    Update3Notification,\n    UpdateNotification,\n    UpdateOperation,\n    WaitOperation\n} from \"./types\";\n\n/**\n * A socket-compatible stream used by the client transport.\n */\nexport type OvsdbStream = Duplex | Socket | TLSSocket;\n\n/**\n * Supported connection modes for the OVSDB transport.\n */\nexport type OvsdbTransportKind = \"unix\" | \"tcp\" | \"tls\";\n\n/**\n * Resolved Unix socket transport settings.\n */\nexport interface OvsdbUnixConnectionOptions {\n    transport: \"unix\";\n    socketPath: string;\n}\n\n/**\n * Resolved TCP transport settings.\n */\nexport interface OvsdbTcpConnectionOptions {\n    transport: \"tcp\";\n    host: string;\n    port: number;\n}\n\n/**\n * Resolved TLS transport settings.\n */\nexport interface OvsdbTlsTransportOptions {\n    transport: \"tls\";\n    host: string;\n    port: number;\n    tlsOptions: TlsConnectionOptions;\n}\n\n/**\n * Fully resolved transport settings used by the client.\n */\nexport type OvsdbResolvedConnectionOptions =\n    | OvsdbUnixConnectionOptions\n    | OvsdbTcpConnectionOptions\n    | OvsdbTlsTransportOptions;\n\n/**\n * Typed events emitted by {@link OVSDBClient}.\n */\nexport interface OvsdbClientEvents<TDatabase extends DatabaseTableMap = DatabaseTableMap> {\n    connect: [];\n    close: [];\n    notification: [OvsdbNotification<TDatabase>];\n    update: [UpdateNotification<TDatabase>];\n    update2: [Update2Notification<TDatabase>];\n    update3: [Update3Notification<TDatabase>];\n    locked: [LockedNotification];\n    stolen: [StolenNotification];\n    protocolError: [Error, unknown];\n    transportError: [Error];\n}\n\n/**\n * Options for configuring an {@link OVSDBClient}.\n */\nexport interface OvsdbClientOptions {\n    /**\n     * Path to the OVSDB Unix domain socket.\n     *\n     * @defaultValue `\"/var/run/openvswitch/db.sock\"`\n     */\n    socketPath?: string;\n\n    /**\n     * Hostname for TCP or TLS connections.\n     *\n     * When set, the client uses a network socket instead of a Unix socket.\n     */\n    host?: string;\n\n    /**\n     * Port for TCP or TLS connections.\n     *\n     * @defaultValue `6640`\n     */\n    port?: number;\n\n    /**\n     * Enables TLS for network connections.\n     *\n     * @defaultValue `false`\n     */\n    tls?: boolean;\n\n    /**\n     * Extra TLS connection options forwarded to `node:tls`.\n     *\n     * These options are only used when `tls` is enabled.\n     */\n    tlsOptions?: TlsConnectionOptions;\n\n    /**\n     * Request and connection timeout in milliseconds.\n     *\n     * @defaultValue `5000`\n     */\n    timeout?: number;\n\n    /**\n     * Optional stream factory used for testing or custom transports.\n     * When set, the client skips the socket path existence check.\n     */\n    connectionFactory?: (options: OvsdbResolvedConnectionOptions) => OvsdbStream;\n}\n\n/**\n * JSON-RPC transport error returned by the OVSDB server.\n */\nexport class OvsdbRpcError extends Error {\n    /**\n     * The error payload returned by the server.\n     */\n    public readonly response: OvsdbError;\n\n    /**\n     * Creates a new RPC error wrapper.\n     */\n    constructor(response: OvsdbError) {\n        super(response.details ? `${response.error}: ${response.details}` : response.error);\n        this.name = \"OvsdbRpcError\";\n        this.response = response;\n    }\n}\n\n/**\n * Raised when a message does not match the expected JSON-RPC envelope.\n */\nexport class OvsdbProtocolError extends Error {\n    /**\n     * The raw payload that failed validation.\n     */\n    public readonly payload: unknown;\n\n    /**\n     * Creates a new protocol error wrapper.\n     */\n    constructor(message: string, payload: unknown) {\n        super(message);\n        this.name = \"OvsdbProtocolError\";\n        this.payload = payload;\n    }\n}\n\n/**\n * Raised when an OVSDB transaction response contains an operation-level error.\n */\nexport class OvsdbTransactionError<\n    TDatabase extends DatabaseTableMap = DatabaseTableMap\n> extends Error {\n    /**\n     * Zero-based index of the failed operation in the submitted transaction.\n     */\n    public readonly operationIndex: number;\n\n    /**\n     * Operation that produced the error.\n     */\n    public readonly operation: DatabaseOperation<TDatabase>;\n\n    /**\n     * OVSDB error payload returned for the failed operation.\n     */\n    public readonly result: OvsdbError;\n\n    /**\n     * Raw transaction results returned by the server.\n     */\n    public readonly results: Array<OperationResult<TDatabase, DatabaseOperation<TDatabase>> | OvsdbError>;\n\n    /**\n     * Creates a new transaction error wrapper.\n     */\n    constructor(options: {\n        operationIndex: number;\n        operation: DatabaseOperation<TDatabase>;\n        result: OvsdbError;\n        results: Array<OperationResult<TDatabase, DatabaseOperation<TDatabase>> | OvsdbError>;\n    }) {\n        super(`Transaction operation ${options.operationIndex} failed: ${options.result.error}`);\n        this.name = \"OvsdbTransactionError\";\n        this.operationIndex = options.operationIndex;\n        this.operation = options.operation;\n        this.result = options.result;\n        this.results = options.results;\n    }\n}\n\ninterface PendingRequest {\n    resolve: (value: unknown) => void;\n    reject: (reason?: unknown) => void;\n    timeoutId: NodeJS.Timeout;\n}\n\n/**\n * Result payload returned by a staged transaction helper.\n */\nexport interface OvsdbTransactionOutcome<\n    TDatabase extends DatabaseTableMap = DatabaseTableMap,\n    TValue = void\n> {\n    /**\n     * Value returned by the transaction callback.\n     */\n    value: TValue;\n\n    /**\n     * Operations that were submitted to OVSDB.\n     */\n    operations: readonly DatabaseOperation<TDatabase>[];\n\n    /**\n     * Per-operation OVSDB results in submission order.\n     */\n    results: Array<OperationResult<TDatabase, DatabaseOperation<TDatabase>>>;\n}\n\n/**\n * Options for the staged transaction helper.\n */\nexport interface OvsdbTransactionOptions {\n    /**\n     * Appends a trailing `commit` operation when the callback succeeds and the\n     * staged operations do not already include `commit` or `abort`.\n     *\n     * @defaultValue `true`\n     */\n    autoCommit?: boolean;\n\n    /**\n     * Durable flag used by the auto-generated `commit` operation.\n     *\n     * @defaultValue `false`\n     */\n    durable?: boolean;\n}\n\n/**\n * Stages OVSDB operations before sending them as a single `transact` request.\n */\nexport class OvsdbTransaction<TDatabase extends DatabaseTableMap = DatabaseTableMap> {\n    private readonly stagedOperations: DatabaseOperation<TDatabase>[] = [];\n\n    /**\n     * Returns the currently staged operations.\n     */\n    public get operations(): readonly DatabaseOperation<TDatabase>[] {\n        return this.stagedOperations;\n    }\n\n    /**\n     * Adds an operation to the transaction.\n     */\n    public add<TOperation extends DatabaseOperation<TDatabase>>(operation: TOperation): TOperation {\n        this.stagedOperations.push(operation);\n        return operation;\n    }\n\n    /**\n     * Stages an insert operation.\n     */\n    public insert<TOperation extends InsertOperation<TDatabase>>(operation: TOperation): TOperation {\n        return this.add(operation);\n    }\n\n    /**\n     * Stages a select operation.\n     */\n    public select<TOperation extends SelectOperation<TDatabase>>(operation: TOperation): TOperation {\n        return this.add(operation);\n    }\n\n    /**\n     * Stages an update operation.\n     */\n    public update<TOperation extends UpdateOperation<TDatabase>>(operation: TOperation): TOperation {\n        return this.add(operation);\n    }\n\n    /**\n     * Stages a mutate operation.\n     */\n    public mutate<TOperation extends MutateOperation<TDatabase>>(operation: TOperation): TOperation {\n        return this.add(operation);\n    }\n\n    /**\n     * Stages a delete operation.\n     */\n    public delete<TOperation extends DeleteOperation<TDatabase>>(operation: TOperation): TOperation {\n        return this.add(operation);\n    }\n\n    /**\n     * Stages a wait operation.\n     */\n    public wait<TOperation extends WaitOperation<TDatabase>>(operation: TOperation): TOperation {\n        return this.add(operation);\n    }\n\n    /**\n     * Stages a comment operation.\n     */\n    public comment(comment: string): CommentOperation {\n        return this.add({\n            op: \"comment\",\n            comment\n        });\n    }\n\n    /**\n     * Stages an assert operation.\n     */\n    public assert(lock: string): AssertOperation {\n        return this.add({\n            op: \"assert\",\n            lock\n        });\n    }\n\n    /**\n     * Stages a commit operation.\n     */\n    public commit(durable = false): CommitOperation {\n        return this.add({\n            op: \"commit\",\n            durable\n        });\n    }\n\n    /**\n     * Stages an abort operation.\n     */\n    public abort(): AbortOperation {\n        return this.add({\n            op: \"abort\"\n        });\n    }\n}\n\n/**\n * A low-level, event-driven OVSDB client for Unix sockets, TCP, or TLS.\n *\n * The client exposes the RFC 7047 primitives together with common\n * Open vSwitch protocol extensions while keeping the API small and predictable.\n */\nexport class OVSDBClient<\n    TDatabase extends DatabaseTableMap = DatabaseTableMap\n> extends EventEmitter<OvsdbClientEvents<TDatabase>> implements AsyncDisposable {\n    private readonly timeout: number;\n    private readonly connectionOptions: OvsdbResolvedConnectionOptions;\n    private readonly connectionFactory?: (options: OvsdbResolvedConnectionOptions) => OvsdbStream;\n\n    private socket: OvsdbStream | null = null;\n    private requestId = 1;\n    private receiveBuffer = \"\";\n    private pendingRequests = new Map<JsonValue, PendingRequest>();\n    private connected = false;\n    private closeEmitted = false;\n\n    /**\n     * Creates a new OVSDB client instance.\n     */\n    constructor(options: OvsdbClientOptions = {}) {\n        super();\n        this.timeout = options.timeout ?? 5000;\n        this.connectionOptions = resolveConnectionOptions(options);\n        this.connectionFactory = options.connectionFactory;\n    }\n\n    /**\n     * Returns `true` when the underlying socket is currently connected.\n     */\n    public get isConnected(): boolean {\n        return this.connected;\n    }\n\n    /**\n     * Opens the transport connection.\n     *\n     * @returns The connected client instance for chaining.\n     */\n    public async connect(): Promise<this> {\n        if (this.connected) {\n            return this;\n        }\n\n        if (\n            !this.connectionFactory &&\n            this.connectionOptions.transport === \"unix\" &&\n            !existsSync(this.connectionOptions.socketPath)\n        ) {\n            throw new Error(`OVSDB socket not found: ${this.connectionOptions.socketPath}`);\n        }\n\n        const socket = this.connectionFactory\n            ? this.connectionFactory(this.connectionOptions)\n            : createTransport(this.connectionOptions);\n        this.attachSocket(socket);\n        const connectEvent = this.connectionOptions.transport === \"tls\" ? \"secureConnect\" : \"connect\";\n\n        await new Promise<void>((resolve, reject) => {\n            const timeoutId = setTimeout(() => {\n                cleanup();\n                this.disposeTransport(new Error(`Connection timeout after ${this.timeout}ms`));\n                reject(new Error(`Connection timeout after ${this.timeout}ms`));\n            }, this.timeout);\n\n            const onConnect = () => {\n                cleanup();\n                this.connected = true;\n                this.closeEmitted = false;\n                this.emit(\"connect\");\n                resolve();\n            };\n\n            const onError = (error: Error) => {\n                cleanup();\n                reject(error);\n            };\n\n            const cleanup = () => {\n                clearTimeout(timeoutId);\n                socket.off(connectEvent, onConnect);\n                socket.off(\"error\", onError);\n            };\n\n            socket.once(connectEvent, onConnect);\n            socket.once(\"error\", onError);\n        });\n\n        return this;\n    }\n\n    /**\n     * Sends a raw JSON-RPC request and resolves with its `result` payload.\n     *\n     * @param method RPC method name.\n     * @param params RPC parameters.\n     */\n    public async request<TResult>(method: string, params: JsonValue[] = []): Promise<TResult> {\n        this.assertConnected();\n\n        const id = this.requestId++;\n        const payload = {\n            method,\n            params,\n            id\n        };\n\n        return await new Promise<TResult>((resolve, reject) => {\n            const timeoutId = setTimeout(() => {\n                this.pendingRequests.delete(id);\n                reject(new Error(`Request timeout for method: ${method}`));\n            }, this.timeout);\n\n            this.pendingRequests.set(id, {\n                resolve: (value) => resolve(value as TResult),\n                reject,\n                timeoutId\n            });\n\n            this.writeMessage(payload).catch((error) => {\n                clearTimeout(timeoutId);\n                this.pendingRequests.delete(id);\n                reject(error);\n            });\n        });\n    }\n\n    /**\n     * Sends a JSON-RPC notification without waiting for a response.\n     *\n     * @param method RPC method name.\n     * @param params RPC parameters.\n     */\n    public async notify(method: string, params: JsonValue[] = []): Promise<void> {\n        this.assertConnected();\n        await this.writeMessage({method, params});\n    }\n\n    /**\n     * Returns the database names exposed by the connected OVSDB server.\n     */\n    public async listDbs(): Promise<ListDbsResult> {\n        return await this.request<ListDbsResult>(\"list_dbs\", []);\n    }\n\n    /**\n     * Returns the schema definition for a database.\n     *\n     * @param dbName Database name.\n     */\n    public async getSchema(dbName = \"Open_vSwitch\"): Promise<DatabaseSchema> {\n        return await this.request<DatabaseSchema>(\"get_schema\", [dbName]);\n    }\n\n    /**\n     * Executes a single transaction.\n     *\n     * The response preserves operation ordering, so tuple inputs infer tuple outputs.\n     *\n     * @param dbName Database name.\n     * @param operations Transaction operations.\n     */\n    public async transact<TOperations extends readonly DatabaseOperation<TDatabase>[]>(\n        dbName: string,\n        operations: [...TOperations]\n    ): Promise<OperationResults<TDatabase, TOperations>> {\n        return await this.request<OperationResults<TDatabase, TOperations>>(\n            \"transact\",\n            [dbName, ...operations] as JsonValue[]\n        );\n    }\n\n    /**\n     * Stages a transaction in a callback and submits it only if the callback\n     * completes successfully.\n     *\n     * This helper is convenient when you want a scoped, imperative API while\n     * still sending exactly one OVSDB `transact` request.\n     *\n     * @param dbName Database name.\n     * @param callback Callback that stages operations on the transaction object.\n     * @param options Auto-commit behavior for the staged transaction.\n     */\n    public async transaction<TValue>(\n        dbName: string,\n        callback: (transaction: OvsdbTransaction<TDatabase>) => Promise<TValue> | TValue,\n        options: OvsdbTransactionOptions = {}\n    ): Promise<OvsdbTransactionOutcome<TDatabase, TValue>> {\n        const transaction = new OvsdbTransaction<TDatabase>();\n        const value = await callback(transaction);\n\n        const operations = [...transaction.operations];\n        const autoCommit = options.autoCommit ?? true;\n        const hasFinalizer = operations.some((operation) => operation.op === \"commit\" || operation.op === \"abort\");\n        if (autoCommit && !hasFinalizer) {\n            operations.push({\n                op: \"commit\",\n                durable: options.durable ?? false\n            });\n        }\n\n        if (operations.length === 0) {\n            return {\n                value,\n                operations,\n                results: []\n            };\n        }\n\n        const results = await this.request<Array<OperationResult<TDatabase, DatabaseOperation<TDatabase>> | OvsdbError>>(\n            \"transact\",\n            [dbName, ...operations] as JsonValue[]\n        );\n\n        for (const [index, result] of results.entries()) {\n            if (isOvsdbError(result)) {\n                throw new OvsdbTransactionError<TDatabase>({\n                    operationIndex: index,\n                    operation: operations[index] as DatabaseOperation<TDatabase>,\n                    result,\n                    results\n                });\n            }\n        }\n\n        return {\n            value,\n            operations,\n            results: results as Array<OperationResult<TDatabase, DatabaseOperation<TDatabase>>>\n        };\n    }\n\n    /**\n     * Cancels a previously issued request by id.\n     *\n     * @param requestId JSON-RPC request id to cancel.\n     */\n    public async cancel(requestId: JsonValue): Promise<null | JsonObject> {\n        return await this.request<null | JsonObject>(\"cancel\", [requestId]);\n    }\n\n    /**\n     * Starts a standard RFC 7047 monitor.\n     *\n     * @param dbName Database name.\n     * @param monitorId Application-defined monitor id.\n     * @param monitorRequests Per-table monitor definitions.\n     */\n    public async monitor(\n        dbName: string,\n        monitorId: JsonValue,\n        monitorRequests: Record<string, MonitorRequest<TDatabase>>\n    ): Promise<TableUpdates<TDatabase>> {\n        return await this.request<TableUpdates<TDatabase>>(\"monitor\", [\n            dbName,\n            monitorId,\n            monitorRequests as JsonValue\n        ]);\n    }\n\n    /**\n     * Starts an Open vSwitch conditional monitor.\n     *\n     * @param dbName Database name.\n     * @param monitorId Application-defined monitor id.\n     * @param monitorRequests Per-table conditional monitor definitions.\n     */\n    public async monitorCond(\n        dbName: string,\n        monitorId: JsonValue,\n        monitorRequests: Record<string, MonitorCondRequest<TDatabase>>\n    ): Promise<TableUpdates2<TDatabase>> {\n        return await this.request<TableUpdates2<TDatabase>>(\"monitor_cond\", [\n            dbName,\n            monitorId,\n            monitorRequests as JsonValue\n        ]);\n    }\n\n    /**\n     * Starts an Open vSwitch conditional monitor from a known transaction id.\n     *\n     * @param dbName Database name.\n     * @param monitorId Application-defined monitor id.\n     * @param monitorRequests Per-table conditional monitor definitions.\n     * @param lastTransactionId Last seen transaction id, or `null` for a fresh snapshot.\n     */\n    public async monitorCondSince(\n        dbName: string,\n        monitorId: JsonValue,\n        monitorRequests: Record<string, MonitorCondRequest<TDatabase>>,\n        lastTransactionId: string | null = null\n    ): Promise<MonitorCondSinceResult<TDatabase>> {\n        return await this.request<MonitorCondSinceResult<TDatabase>>(\"monitor_cond_since\", [\n            dbName,\n            monitorId,\n            monitorRequests as JsonValue,\n            lastTransactionId\n        ]);\n    }\n\n    /**\n     * Cancels a monitor by its monitor id.\n     *\n     * @param monitorId Monitor id used when the monitor was created.\n     */\n    public async monitorCancel(monitorId: JsonValue): Promise<null | JsonObject> {\n        return await this.request<null | JsonObject>(\"monitor_cancel\", [monitorId]);\n    }\n\n    /**\n     * Acquires a named database lock.\n     *\n     * @param lockId Lock identifier.\n     */\n    public async lock(lockId: string): Promise<null | JsonObject> {\n        return await this.request<null | JsonObject>(\"lock\", [lockId]);\n    }\n\n    /**\n     * Forces ownership of a named database lock.\n     *\n     * @param lockId Lock identifier.\n     */\n    public async steal(lockId: string): Promise<null | JsonObject> {\n        return await this.request<null | JsonObject>(\"steal\", [lockId]);\n    }\n\n    /**\n     * Releases a previously acquired named database lock.\n     *\n     * @param lockId Lock identifier.\n     */\n    public async unlock(lockId: string): Promise<null | JsonObject> {\n        return await this.request<null | JsonObject>(\"unlock\", [lockId]);\n    }\n\n    /**\n     * Sends an echo request to validate transport liveness.\n     *\n     * @param payload Values to be echoed back by the server.\n     */\n    public async echo<TPayload extends OvsdbValue[]>(...payload: TPayload): Promise<TPayload> {\n        return await this.request<TPayload>(\"echo\", payload as JsonValue[]);\n    }\n\n    /**\n     * Enables or disables Open vSwitch database change awareness.\n     *\n     * @param enabled Whether the server should report change awareness metadata.\n     */\n    public async setDbChangeAware(enabled = true): Promise<boolean | null> {\n        return await this.request<boolean | null>(\"set_db_change_aware\", [enabled]);\n    }\n\n    /**\n     * Closes the connection and rejects all pending requests.\n     */\n    public async close(): Promise<void> {\n        this.disposeTransport();\n    }\n\n    /**\n     * Implements `AsyncDisposable`.\n     */\n    public async [Symbol.asyncDispose](): Promise<void> {\n        await this.close();\n    }\n\n    private attachSocket(socket: OvsdbStream): void {\n        this.socket = socket;\n        this.receiveBuffer = \"\";\n\n        socket.on(\"data\", this.handleData);\n        socket.on(\"error\", this.handleSocketError);\n        socket.on(\"close\", this.handleSocketClose);\n    }\n\n    private readonly handleData = (chunk: Buffer | string): void => {\n        this.receiveBuffer += typeof chunk === \"string\" ? chunk : chunk.toString(\"utf8\");\n\n        let frame = extractJsonFrame(this.receiveBuffer);\n        while (frame) {\n            this.receiveBuffer = frame.rest;\n            this.parseFrame(frame.frame);\n            frame = extractJsonFrame(this.receiveBuffer);\n        }\n\n        const trimmed = this.receiveBuffer.trimStart();\n        if (trimmed && trimmed[0] !== \"{\" && trimmed[0] !== \"[\") {\n            this.emitProtocolError(\"Received non-JSON data on the transport\", this.receiveBuffer);\n            this.receiveBuffer = \"\";\n        }\n    };\n\n    private readonly handleSocketError = (error: Error): void => {\n        this.emit(\"transportError\", error);\n        this.disposeTransport(error);\n    };\n\n    private readonly handleSocketClose = (): void => {\n        this.disposeTransport();\n    };\n\n    private parseFrame(frame: string): void {\n        try {\n            const payload = JSON.parse(frame) as unknown;\n            this.handleMessage(payload);\n        } catch (error) {\n            const protocolError = new OvsdbProtocolError(\"Failed to parse JSON message\", frame);\n            this.emit(\"protocolError\", protocolError, frame);\n            if (error instanceof Error) {\n                void error;\n            }\n        }\n    }\n\n    private handleMessage(payload: unknown): void {\n        if (!payload || typeof payload !== \"object\") {\n            this.emitProtocolError(\"Expected a JSON object message\", payload);\n            return;\n        }\n\n        if (\"method\" in payload && typeof payload.method === \"string\") {\n            const message = payload as {method: string; params?: JsonValue[]; id?: JsonValue | null};\n\n            if (message.id !== undefined && message.id !== null) {\n                void this.handleIncomingRequest(message.method, message.params ?? [], message.id);\n                return;\n            }\n\n            this.handleNotification(payload as OvsdbNotification<TDatabase>);\n            return;\n        }\n\n        if (\"id\" in payload) {\n            this.handleResponse(payload as OvsdbResponse<unknown>);\n            return;\n        }\n\n        this.emitProtocolError(\"Received message without method or id\", payload);\n    }\n\n    private handleResponse(response: OvsdbResponse<unknown>): void {\n        const pendingRequest = this.pendingRequests.get(response.id);\n        if (!pendingRequest) {\n            this.emitProtocolError(\"Received response for an unknown request id\", response);\n            return;\n        }\n\n        this.pendingRequests.delete(response.id);\n        clearTimeout(pendingRequest.timeoutId);\n\n        if (response.error) {\n            pendingRequest.reject(new OvsdbRpcError(response.error));\n            return;\n        }\n\n        pendingRequest.resolve(response.result);\n    }\n\n    private async handleIncomingRequest(method: string, params: JsonValue[], id: JsonValue): Promise<void> {\n        if (method === \"echo\") {\n            await this.writeMessage({\n                id,\n                result: params,\n                error: null\n            });\n            return;\n        }\n\n        await this.writeMessage({\n            id,\n            result: null,\n            error: {\n                error: \"not supported\",\n                details: `Unsupported server request: ${method}`\n            }\n        });\n    }\n\n    private handleNotification(notification: OvsdbNotification<TDatabase>): void {\n        this.emit(\"notification\", notification);\n\n        switch (notification.method) {\n            case \"update\":\n                this.emit(\"update\", notification);\n                break;\n            case \"update2\":\n                this.emit(\"update2\", notification);\n                break;\n            case \"update3\":\n                this.emit(\"update3\", notification);\n                break;\n            case \"locked\":\n                this.emit(\"locked\", notification);\n                break;\n            case \"stolen\":\n                this.emit(\"stolen\", notification);\n                break;\n            default:\n                this.emitProtocolError(\"Received an unknown notification method\", notification);\n                break;\n        }\n    }\n\n    private emitProtocolError(message: string, payload: unknown): void {\n        const error = new OvsdbProtocolError(message, payload);\n        this.emit(\"protocolError\", error, payload);\n    }\n\n    private async writeMessage(payload: JsonObject): Promise<void> {\n        this.assertConnected();\n\n        await new Promise<void>((resolve, reject) => {\n            this.socket?.write(`${JSON.stringify(payload)}\\n`, (error) => {\n                if (error) {\n                    reject(error);\n                    return;\n                }\n                resolve();\n            });\n        });\n    }\n\n    private assertConnected(): void {\n        if (!this.connected || !this.socket) {\n            throw new Error(\"Not connected to OVSDB\");\n        }\n    }\n\n    private disposeTransport(reason?: Error): void {\n        const socket = this.socket;\n        this.socket = null;\n        this.connected = false;\n        this.receiveBuffer = \"\";\n\n        if (socket) {\n            socket.off(\"data\", this.handleData);\n            socket.off(\"error\", this.handleSocketError);\n            socket.off(\"close\", this.handleSocketClose);\n            if (!socket.destroyed) {\n                socket.destroy();\n            }\n        }\n\n        const closeError = reason ?? new Error(\"Connection closed\");\n        for (const pendingRequest of this.pendingRequests.values()) {\n            clearTimeout(pendingRequest.timeoutId);\n            pendingRequest.reject(closeError);\n        }\n        this.pendingRequests.clear();\n\n        if (!this.closeEmitted) {\n            this.closeEmitted = true;\n            this.emit(\"close\");\n        }\n    }\n}\n\nexport * from \"./types\";\n\n/**\n * Resolves the user-supplied transport options into an explicit connection mode.\n */\nexport function resolveConnectionOptions(options: OvsdbClientOptions = {}): OvsdbResolvedConnectionOptions {\n    if (options.host) {\n        const port = options.port ?? 6640;\n        if (options.tls) {\n            return {\n                transport: \"tls\",\n                host: options.host,\n                port,\n                tlsOptions: {\n                    host: options.host,\n                    port,\n                    ...options.tlsOptions\n                }\n            };\n        }\n\n        return {\n            transport: \"tcp\",\n            host: options.host,\n            port\n        };\n    }\n\n    return {\n        transport: \"unix\",\n        socketPath: 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