log.Println("Connected")

 // Subscribe to subject
 log.Printf("Subscribing to subject 'bucketevents'\n")
 natsConnection.Subscribe("bucketevents", func(msg *nats.Msg) {

  // Handle the message
  log.Printf("Received message '%s\n", string(msg.Data)+"'")
 })

 // Keep the connection alive
 runtime.Goexit()
}
```

```
go run nats.go
2016/10/12 06:39:18 Connected

	if checksum != nil && checksum.Valid() {
		if err = hashReader.AddChecksumNoTrailer(formValues, false); err != nil {
			writeErrorResponse(ctx, w, toAPIError(ctx, err), r.URL)
			return
		}
	}

	// Handle policy if it is set.
	if len(policyBytes) > 0 {
		postPolicyForm, err := parsePostPolicyForm(bytes.NewReader(policyBytes))
		if err != nil {
			errAPI := errorCodes.ToAPIErr(ErrPostPolicyConditionInvalidFormat)

	h.Del(xhttp.AmzMetaUnencryptedContentLength)
	h.Del(xhttp.AmzMetaUnencryptedContentMD5)
}

// SSECopy represents AWS SSE-C for copy requests. It provides
// functionality to handle SSE-C copy requests.
var SSECopy = ssecCopy{}

type ssecCopy struct{}

// IsRequested returns true if the HTTP headers contains
// at least one SSE-C copy header. Regular SSE-C headers
// are ignored.

	"net/http"

	xhttp "github.com/minio/minio/internal/http"
	"github.com/minio/minio/internal/logger"
)

type ssec struct{}

var (
	// SSEC represents AWS SSE-C. It provides functionality to handle
	// SSE-C requests.
	SSEC = ssec{}

	_ Type = SSEC
)

// String returns the SSE domain as string. For SSE-C the
// domain is "SSE-C".
func (ssec) String() string { return "SSE-C" }

	// metrics required a list of buckets to be passed to the loader, and the list
	// of buckets is not known until the request is made. So we keep a separate
	// map for bucket metrics and handle them specially.

	// Add the serverName and poolIndex labels to all non-cluster metrics.
	//
	// Also create metric group maps and set the cache.
	metricsCache := newMetricsCache()

	// `e` is an aggregation function.

	var val *Value
	var err error
	funcName := e.getFunctionName()
	if aggFnCount == funcName {
		if e.Count.StarArg {
			// Handle COUNT(*)
			e.aggregate.runningCount++
			return nil
		}

		val, err = e.Count.ExprArg.evalNode(r, tableAlias)
		if err != nil {
			return err
		}
	} else {
		// Evaluate the (only) argument

		return result

	case sqlFnDateDiff:
		result.combine(e.DateDiff.Timestamp1.analyze(s))
		result.combine(e.DateDiff.Timestamp2.analyze(s))
		return result

	// Handle aggregation function calls
	case aggFnAvg, aggFnMax, aggFnMin, aggFnSum, aggFnCount:
		// Initialize accumulator
		e.aggregate = newAggVal(funcName)

		var exprA qProp
		if funcName == aggFnCount {

			logger.Fatal(err, "invalid --logrorate-dir option")
		}
	})

	// Always load ENV variables from files first.
	loadEnvVarsFromFiles()

	// Handle all server command args and build the disks layout
	bootstrapTrace("serverHandleCmdArgs", func() {
		err := buildServerCtxt(ctx, &globalServerCtxt)
		logger.FatalIf(err, "Unable to prepare the list of endpoints")

		bucketSSEConfig,
		bucketTaggingConfig,
		bucketReplicationConfig,
		bucketTargetsFile,
		objectLockConfig,
	}

	configs := make(map[string][]byte, len(legacyConfigs))

	// Handle migration from lockEnabled to newer format.
	if b.LockEnabled {
		configs[objectLockConfig] = enabledBucketObjectLockConfig
		b.LockEnabled = false // legacy value unset it

	} else {
		newReqInfo = logger.NewReqInfo("", "", globalDeploymentID(), "", "Heal", bucket, object)
	}
	healCtx := logger.SetReqInfo(GlobalContext, newReqInfo)

	// Healing directories handle it separately.
	if HasSuffix(object, SlashSeparator) {
		hr, err := er.healObjectDir(healCtx, bucket, object, opts.DryRun, opts.Remove)
		return hr, toObjectErr(err, bucket, object)
	}