// Copyright (c) 2015-2021 MinIO, Inc.
//
// This file is part of MinIO Object Storage stack
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU Affero General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful

// Copyright (c) 2015-2021 MinIO, Inc.
//
// This file is part of MinIO Object Storage stack
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU Affero General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful

		Index:      idx,
		Checksums:  checksums,
	}

	// Update part info if it already exists.
	for i, part := range fi.Parts {
		if partNumber == part.Number {
			fi.Parts[i] = partInfo
			return
		}
	}

	// Proceed to include new part info.
	fi.Parts = append(fi.Parts, partInfo)

	// Parts in FileInfo should be in sorted order by part number.

}

// PartInfo - represents individual part metadata.
type PartInfo struct {
	// Part number that identifies the part. This is a positive integer between
	// 1 and 10,000.
	PartNumber int

	// Date and time at which the part was uploaded.
	LastModified time.Time

	// Entity tag returned when the part was initially uploaded.
	ETag string

	// Size in bytes of the part.
	Size int64

	// Test 4: key = disk index, value = part name with hash mismatch
	diskFailures := make(map[int]string)
	diskFailures[0] = "part.1"
	diskFailures[3] = "part.1"
	diskFailures[15] = "part.1"

	for diskIndex, partName := range diskFailures {
		for i := range partsMetadata[diskIndex].Parts {
			if fmt.Sprintf("part.%d", i+1) == partName {

		return
	}

	configuredPartSize := minPartSize
	// Use floats for part size for all calculations to avoid
	// overflows during float64 to int64 conversions.
	partSizeFlt := float64(objectSize / maxPartsCount)
	partSizeFlt = math.Ceil(partSizeFlt/float64(configuredPartSize)) * float64(configuredPartSize)

	// Part size.
	partSize = int64(partSizeFlt)
	if partSize == 0 {
		return minPartSize, nil
	}

	}

	var body bytes.Buffer
	writer := multipart.NewWriter(&body)
	part, e := writer.CreateFormFile("file", filename)
	if e != nil {
		return "", e
	}

	if _, e = part.Write(payload); e != nil {
		return "", e
	}
	writer.Close()

	r, e := http.NewRequest(http.MethodPost, reqURL, &body)
	if e != nil {
		return "", e
	}

	log.Debug("debug log")
	log.Info("info log")
	log.Warn("warn log")
	log.Error("error log")
	// This will error because stdout cannot sync, but the UDS part should sync
	// Ideally we would fail if the UDS part fails but the error library makes it kind of tricky
	_ = log.Sync()

	// Restore os stdout.
	os.Stdout = stdout
	assert.NoError(t, log.Configure(loggingOptions))

// Copyright (c) 2015-2021 MinIO, Inc.
//
// This file is part of MinIO Object Storage stack
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU Affero General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful

	var partIDbin [4]byte
	binary.LittleEndian.PutUint32(partIDbin[:], uint32(partID)) // marshal part ID

	mac := hmac.New(sha256.New, objectEncryptionKey) // derive part encryption key from part ID and object key
	mac.Write(partIDbin[:])
	partEncryptionKey := mac.Sum(nil)

	// Limit the reader, so the decryptor doesn't receive bytes
	// from the next part (different DARE stream)
	encLenToRead := d.parts[d.partIndex].Size - d.partEncRelOffset