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// Copyright (C) MongoDB, Inc. 2017-present.
//
// Licensed under the Apache License, Version 2.0 (the "License"); you may
// not use this file except in compliance with the License. You may obtain
// a copy of the License at http://www.apache.org/licenses/LICENSE-2.0
package driver
import (
"context"
"errors"
)
// ExecuteExhaust reads a response from the provided StreamerConnection. This will error if the connection's
// CurrentlyStreaming function returns false.
func (op Operation) ExecuteExhaust(ctx context.Context, conn StreamerConnection, scratch []byte) error {
if !conn.CurrentlyStreaming() {
return errors.New("exhaust read must be done with a connection that is currently streaming")
}
scratch = scratch[:0]
res, err := op.readWireMessage(ctx, conn, scratch)
if err != nil {
return err
}
if op.ProcessResponseFn != nil {
// Server, ConnectionDescription, and CurrentIndex are unused in this mode.
info := ResponseInfo{
ServerResponse: res,
Connection: conn,
}
if err = op.ProcessResponseFn(info); err != nil {
return err
}
}
return nil
}
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