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Documentation
¶
Overview ¶
Package buffer - Links an input and an output together and buffers messages in between.
Index ¶
- func Descriptions() string
- type Config
- type Empty
- func (e *Empty) CloseAsync()
- func (e *Empty) ErrorsChan() <-chan []error
- func (e *Empty) MessageChan() <-chan types.Message
- func (e *Empty) ResponseChan() <-chan types.Response
- func (e *Empty) StartListening(responses <-chan types.Response) error
- func (e *Empty) StartReceiving(msgs <-chan types.Message) error
- func (e *Empty) WaitForClose(timeout time.Duration) error
- type OutputWrapper
- func (m *OutputWrapper) CloseAsync()
- func (m *OutputWrapper) ErrorsChan() <-chan []error
- func (m *OutputWrapper) MessageChan() <-chan types.Message
- func (m *OutputWrapper) ResponseChan() <-chan types.Response
- func (m *OutputWrapper) StartListening(responses <-chan types.Response) error
- func (m *OutputWrapper) StartReceiving(msgs <-chan types.Message) error
- func (m *OutputWrapper) WaitForClose(timeout time.Duration) error
- type Type
- func New(conf Config, log log.Modular, stats metrics.Type) (Type, error)
- func NewEmpty(config Config, log log.Modular, stats metrics.Type) (Type, error)
- func NewMemory(config Config, log log.Modular, stats metrics.Type) (Type, error)
- func NewMmapFile(config Config, log log.Modular, stats metrics.Type) (Type, error)
- func NewOutputWrapper(buffer impl.Buffer, stats metrics.Type) Type
Constants ¶
This section is empty.
Variables ¶
This section is empty.
Functions ¶
func Descriptions ¶
func Descriptions() string
Descriptions - Returns a formatted string of collated descriptions of each type.
Types ¶
type Config ¶
type Config struct {
Type string `json:"type" yaml:"type"`
Mmap impl.MmapBufferConfig `json:"mmap_file" yaml:"mmap_file"`
Memory impl.MemoryConfig `json:"memory" yaml:"memory"`
}
Config - The all encompassing configuration struct for all input types.
type Empty ¶
type Empty struct {
// contains filtered or unexported fields
}
Empty - Empty buffer, simply forwards messages on directly.
func (*Empty) CloseAsync ¶
func (e *Empty) CloseAsync()
CloseAsync - Shuts down the StackBuffer output and stops processing messages.
func (*Empty) ErrorsChan ¶
ErrorsChan - Returns the errors channel.
func (*Empty) MessageChan ¶
MessageChan - Returns the channel used for consuming messages from this input.
func (*Empty) ResponseChan ¶
ResponseChan - Returns the response channel.
func (*Empty) StartListening ¶
StartListening - Sets the channel for reading responses.
func (*Empty) StartReceiving ¶
StartReceiving - Assigns a messages channel for the output to read.
type OutputWrapper ¶ added in v0.2.1
type OutputWrapper struct {
// contains filtered or unexported fields
}
OutputWrapper - Wraps a buffer with a Producer/Consumer interface.
func (*OutputWrapper) CloseAsync ¶ added in v0.2.1
func (m *OutputWrapper) CloseAsync()
CloseAsync - Shuts down the OutputWrapper and stops processing messages.
func (*OutputWrapper) ErrorsChan ¶ added in v0.2.1
func (m *OutputWrapper) ErrorsChan() <-chan []error
ErrorsChan - Returns the errors channel.
func (*OutputWrapper) MessageChan ¶ added in v0.2.1
func (m *OutputWrapper) MessageChan() <-chan types.Message
MessageChan - Returns the channel used for consuming messages from this input.
func (*OutputWrapper) ResponseChan ¶ added in v0.2.1
func (m *OutputWrapper) ResponseChan() <-chan types.Response
ResponseChan - Returns the response channel.
func (*OutputWrapper) StartListening ¶ added in v0.2.1
func (m *OutputWrapper) StartListening(responses <-chan types.Response) error
StartListening - Sets the channel for reading responses.
func (*OutputWrapper) StartReceiving ¶ added in v0.2.1
func (m *OutputWrapper) StartReceiving(msgs <-chan types.Message) error
StartReceiving - Assigns a messages channel for the output to read.
func (*OutputWrapper) WaitForClose ¶ added in v0.2.1
func (m *OutputWrapper) WaitForClose(timeout time.Duration) error
WaitForClose - Blocks until the OutputWrapper output has closed down.
type Type ¶
type Type interface {
types.Producer
types.Consumer
types.Closable
// ErrorsChan - Returns the channel used for returning any accumulated errors. This needs
// reading in the same select block where messages are sent as the errors can occur at any time.
ErrorsChan() <-chan []error
}
Type - The standard interface of an agent type.
func NewMmapFile ¶
NewMmapFile - Create a buffer held in memory and persisted to file through memory map.
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