internal

package
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Published: Feb 13, 2018 License: Apache-2.0 Imports: 5 Imported by: 0

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Constants

This section is empty.

Variables

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var Version = "local build"

Version is the current version of the driver.

Functions

func MultiError

func MultiError(errors ...error) error

MultiError combines multiple errors into a single error. If there are no errors, nil is returned. If there is 1 error, it is returned. Otherwise, they are combined.

func RolledUpErrorMessage

func RolledUpErrorMessage(err error) string

RolledUpErrorMessage gets a flattened error message.

func UnwrapError

func UnwrapError(err error) error

UnwrapError attempts to unwrap the error down to its root cause.

func WrapError

func WrapError(inner error, message string) error

WrapError wraps an error with a message.

func WrapErrorf

func WrapErrorf(inner error, format string, args ...interface{}) error

WrapErrorf wraps an error with a message.

Types

type BuildInfoResult

type BuildInfoResult struct {
	OK           bool    `bson:"ok"`
	GitVersion   string  `bson:"gitVersion,omitempty"`
	Version      string  `bson:"version,omitempty"`
	VersionArray []uint8 `bson:"versionArray,omitempty"`
}

BuildInfoResult is the result of executing the buildInfo command.

type GetLastErrorResult

type GetLastErrorResult struct {
	ConnectionID uint32 `bson:"connectionId"`
}

GetLastErrorResult is the result of executing the getLastError command.

type IsMasterResult

type IsMasterResult struct {
	Arbiters            []string          `bson:"arbiters,omitempty"`
	ArbiterOnly         bool              `bson:"arbiterOnly,omitempty"`
	ElectionID          objectid.ObjectID `bson:"electionId,omitempty"`
	Hidden              bool              `bson:"hidden,omitempty"`
	Hosts               []string          `bson:"hosts,omitempty"`
	IsMaster            bool              `bson:"ismaster,omitempty"`
	IsReplicaSet        bool              `bson:"isreplicaset,omitempty"`
	LastWriteTimestamp  time.Time         `bson:"lastWriteDate,omitempty"`
	MaxBSONObjectSize   uint32            `bson:"maxBsonObjectSize,omitempty"`
	MaxMessageSizeBytes uint32            `bson:"maxMessageSizeBytes,omitempty"`
	MaxWriteBatchSize   uint16            `bson:"maxWriteBatchSize,omitempty"`
	Me                  string            `bson:"me,omitempty"`
	MaxWireVersion      int32             `bson:"maxWireVersion,omitempty"`
	MinWireVersion      int32             `bson:"minWireVersion,omitempty"`
	Msg                 string            `bson:"msg,omitempty"`
	OK                  int32             `bson:"ok"`
	Passives            []string          `bson:"passives,omitempty"`
	ReadOnly            bool              `bson:"readOnly,omitempty"`
	Secondary           bool              `bson:"secondary,omitempty"`
	SetName             string            `bson:"setName,omitempty"`
	SetVersion          uint32            `bson:"setVersion,omitempty"`
	Tags                map[string]string `bson:"tags,omitempty"`
}

IsMasterResult is the result of executing this ismaster command.

type Semaphore

type Semaphore struct {
	// contains filtered or unexported fields
}

Semaphore is a syncronization primitive that controls access to a common resource.

func NewSemaphore

func NewSemaphore(slots uint64) *Semaphore

NewSemaphore creates a new semaphore.

func (*Semaphore) Len

func (s *Semaphore) Len() uint64

Len gets the number of permits available.

func (*Semaphore) Release

func (s *Semaphore) Release() error

Release releases a resource back into the pool.

func (*Semaphore) Wait

func (s *Semaphore) Wait(ctx context.Context) error

Wait waits until a resource is available or until the context is done.

type WrappedError

type WrappedError interface {
	// Message gets the basic message of the error.
	Message() string
	// Inner gets the inner error if one exists.
	Inner() error
}

WrappedError represents an error that contains another error.

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