from fastapi.testclient import TestClient
from starlette.websockets import WebSocket

app = FastAPI()
app.state.value = 42


async def extract_value_from_http_connection(conn: HTTPConnection):
    return conn.app.state.value


@app.get("/http")
async def get_value_by_http(value: int = Depends(extract_value_from_http_connection)):
    return value


@app.websocket("/ws")
async def get_value_by_ws(

	// If the conversion is successful, ok will be true and conn will be the converted object;
	// otherwise, ok will be false and conn will be nil.
	conn, ok := tx.ConnPool.(*gorm.PreparedStmtDB)
	// Get the number of statement keys stored in the PreparedStmtDB.
	lens := len(conn.Stmts.Keys())
	// Check if the number of stored statement keys is 0.
	if lens == 0 {

// NewInternodeDialContext setups a custom dialer for internode communication
func NewInternodeDialContext(dialTimeout time.Duration, opts TCPOptions) DialContext {
	return func(ctx context.Context, network, addr string) (net.Conn, error) {
		dialer := &net.Dialer{
			Timeout: dialTimeout,
			Control: setTCPParametersFn(opts),
		}
		conn, err := dialer.DialContext(ctx, network, addr)

func (client *peerRESTClient) ReloadPoolMeta(ctx context.Context) error {
	conn := client.gridConn()
	if conn == nil {
		return nil
	}
	_, err := reloadPoolMetaRPC.Call(ctx, conn, grid.NewMSSWith(map[string]string{}))
	return err
}

func (client *peerRESTClient) DeleteUploadID(ctx context.Context, uploadID string) error {
	conn := client.gridConn()
	if conn == nil {
		return nil
	}

	if err == nil {
		return stmt.QueryRowContext(ctx, args...)
	}
	return &sql.Row{}
}

func (db *PreparedStmtDB) Ping() error {
	conn, err := db.GetDBConn()
	if err != nil {
		return err
	}
	return conn.Ping()
}

type PreparedStmtTX struct {
	Tx
	PreparedStmtDB *PreparedStmtDB
}

func (db *PreparedStmtTX) GetDBConn() (*sql.DB, error) {

		baseDialCtx = (&net.Dialer{
			Timeout:   30 * time.Second,
			KeepAlive: 30 * time.Second,
		}).DialContext
	}

	return func(ctx context.Context, network, addr string) (conn net.Conn, err error) {
		host, port, err := net.SplitHostPort(addr)
		if err != nil {
			return nil, err
		}

		if net.ParseIP(host) != nil {
			// For IP only setups there is no need for DNS lookups.

    }

    err := manager.RegisterSingleHandler(grid.HandlerDiskInfo, handler)
```

Sample call:
```go
    // Get a connection to the remote host
    conn := manager.Connection(host)

    payload := []byte("request")
    response, err := conn.SingleRequest(ctx, grid.HandlerDiskInfo, payload)
```

If the error type is `*RemoteErr`, then the error was returned by the remote server. Otherwise it is a local error.

        URL url = new URL(null, "smb://example-host/share/", new Handler());

        // Act
        URLConnection conn = handler.openConnection(url);

        // Assert
        assertNotNull(conn);
        assertTrue(conn instanceof SmbFile, "Connection should be an instance of SmbFile");
        SmbFile file = (SmbFile) conn;
        assertEquals(url, file.getURL(), "Returned SmbFile should wrap the given URL");

type DialContext func(ctx context.Context, network, address string) (net.Conn, error)

// NewInternodeDialContext configures a custom dialer for internode communications
func NewInternodeDialContext(dialTimeout time.Duration, _ TCPOptions) DialContext {
	return func(ctx context.Context, network, addr string) (net.Conn, error) {
		dialer := &net.Dialer{
			Timeout: dialTimeout,
		}

 *
 */
class SmbTreeConnectionTrace extends SmbTreeConnection {

    SmbTreeConnectionTrace(final CIFSContext ctx) {
        super(ctx);
    }

    SmbTreeConnectionTrace(final SmbTreeConnection conn) {
        super(conn);
    }

    @Override
    protected void finalize() throws Throwable {
        checkRelease();
    }