errors

var (
	// ErrDataNotFound represents the data cannot be found..
	ErrDataNotFound = DfError{codeDataNotFound, "data not found"}

	// ErrEmptyValue represents the value is empty or nil.
	ErrEmptyValue = DfError{codeEmptyValue, "empty value"}

	// ErrInvalidValue represents the value is invalid.
	ErrInvalidValue = DfError{codeInvalidValue, "invalid value"}

	// ErrNotInitialized represents the object is not initialized.
	ErrNotInitialized = DfError{codeNotInitialized, "not initialized"}

	// ErrConvertFailed represents failed to convert.
	ErrConvertFailed = DfError{codeConvertFailed, "convert failed"}

	// ErrRangeNotSatisfiable represents the length of file is insufficient.
	ErrRangeNotSatisfiable = DfError{codeRangeNotSatisfiable, "range not satisfiable"}
)

var (
	// ErrSystemError represents the error is a system error..
	ErrSystemError = DfError{codeSystemError, "system error"}

	// ErrCDNFail represents the cdn status is fail.
	ErrCDNFail = DfError{codeCDNFail, "cdn status is fail"}

	// ErrCDNWait represents the cdn status is wait.
	ErrCDNWait = DfError{codeCDNWait, "cdn status is wait"}

	// ErrPeerWait represents the peer should wait.
	ErrPeerWait = DfError{codePeerWait, "peer should wait"}

	// ErrUnknowError represents the error should not happen
	// and the cause of that is unknown.
	ErrUnknowError = DfError{codeUnknowError, "unknow error"}

	// PeerContinue represents the peer should wait.
	PeerContinue = DfError{codePeerContinue, "peer continue"}

	// ErrURLNotReachable represents the url is a not reachable.
	ErrURLNotReachable = DfError{codeURLNotReachable, "url not reachable"}

	// ErrTaskIDDuplicate represents the task id is in conflict.
	ErrTaskIDDuplicate = DfError{codeTaskIDDuplicate, "taskId conflict"}

	// ErrAuthenticationRequired represents the authentication is required.
	ErrAuthenticationRequired = DfError{codeAuthenticationRequired, "authentication required"}
)