helper

package

v1.1.4 Latest Latest Go to latest Published: Nov 10, 2025 License: Apache-2.0 Imports: 19 Imported by: 0

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Valid go.mod file
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Stable version
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Repository

github.com/cloudberry-contrib/cbcopy

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Documentation ¶

Index ¶

Constants
func NewCompressConn(conn net.Conn, compressType CompressType, isReader bool) (net.Conn, error)
func NewCompressReader(conn net.Conn, compressType CompressType) (net.Conn, error)
func NewCompressWriter(conn net.Conn, compressType CompressType) (net.Conn, error)
type Client
- func NewConcurrentClient(config *Config) Client
- func NewOneTimeClient(config *Config) Client
type CommaIntFlags
- func (c *CommaIntFlags) Set(value string) error
- func (c *CommaIntFlags) String() string
- func (c *CommaIntFlags) Type() string
type CommaStringFlags
- func (c *CommaStringFlags) Set(value string) error
- func (c *CommaStringFlags) String() string
- func (c *CommaStringFlags) Type() string
type CompressType
type ConcurrentClient
- func (c *ConcurrentClient) Run() error
type ConcurrentServer
- func (c *ConcurrentServer) Stop()
type Config
- func NewConfig() *Config
- func (c *Config) InitFlags()
- func (c *Config) Parse() (bool, error)
type DashIntFlags
- func (d *DashIntFlags) Set(value string) error
- func (d *DashIntFlags) String() string
- func (d *DashIntFlags) Type() string
type Handler
type Helper
- func NewHelper(cfg *Config) *Helper
- func (h *Helper) Cleanup(isTerminated bool)
- func (h *Helper) GetErrCode() int
- func (h *Helper) Run() error
- func (h *Helper) Start()
- func (h *Helper) Stop()
type OneTimeClient
- func (c *OneTimeClient) Run() error
type OneTimeServer
- func (o *OneTimeServer) Serve()
- func (o *OneTimeServer) Stop()
- func (o *OneTimeServer) WaitForFinished()
type ReadOnlyCompressConn
- func (conn *ReadOnlyCompressConn) Close() error
- func (conn *ReadOnlyCompressConn) Read(bytes []byte) (int, error)
- func (conn *ReadOnlyCompressConn) Write(bytes []byte) (int, error)
type Server
- func NewConcurrentServer(numConn int32, config *Config) Server
- func NewOneTimeServer(config *Config) Server
type ServerBase
- func (t *ServerBase) Err() error
- func (t *ServerBase) Serve()
- func (t *ServerBase) Start() int
- func (t *ServerBase) WaitForFinished()
type WriteOnlyCompressConn
- func (conn *WriteOnlyCompressConn) Close() error
- func (conn *WriteOnlyCompressConn) Read(bytes []byte) (int, error)
- func (conn *WriteOnlyCompressConn) Write(bytes []byte) (int, error)

Constants ¶

View Source

const (
	// CompressSnappy is the Snappy compression format
	CompressSnappy = iota
	CompressGzip
)

View Source

const (
	DirectionModeSend    = "send"
	DirectionModeReceive = "receive"
)

Variables ¶

This section is empty.

Functions ¶

func NewCompressConn ¶

func NewCompressConn(conn net.Conn, compressType CompressType, isReader bool) (net.Conn, error)

NewCompressConn creates a unidirectional compressed connection for backward compatibility isReader=true: creates a read-only connection for receiving compressed data isReader=false: creates a write-only connection for sending compressed data

func NewCompressReader ¶

func NewCompressReader(conn net.Conn, compressType CompressType) (net.Conn, error)

NewCompressReader creates a read-only compressed connection

func NewCompressWriter ¶

func NewCompressWriter(conn net.Conn, compressType CompressType) (net.Conn, error)

NewCompressWriter creates a write-only compressed connection

Types ¶

type Client ¶

type Client interface {
	Run() error
}

Client is the common interface for all client-side operations.

func NewConcurrentClient ¶

func NewConcurrentClient(config *Config) Client

func NewOneTimeClient ¶

func NewOneTimeClient(config *Config) Client

type CommaIntFlags ¶

type CommaIntFlags []string

func (*CommaIntFlags) Set ¶

func (c *CommaIntFlags) Set(value string) error

func (*CommaIntFlags) String ¶

func (c *CommaIntFlags) String() string

func (*CommaIntFlags) Type ¶

func (c *CommaIntFlags) Type() string

type CommaStringFlags ¶

type CommaStringFlags []string

func (*CommaStringFlags) Set ¶

func (c *CommaStringFlags) Set(value string) error

func (*CommaStringFlags) String ¶

func (c *CommaStringFlags) String() string

func (*CommaStringFlags) Type ¶

func (c *CommaStringFlags) Type() string

type CompressType ¶

type CompressType int

CompressType is the compression format

type ConcurrentClient ¶

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

ConcurrentClient handles receiving data from multiple sources concurrently.

func (*ConcurrentClient) Run ¶

func (c *ConcurrentClient) Run() error

Run executes the concurrent receive operation.

type ConcurrentServer ¶

type ConcurrentServer struct {
	ServerBase
	// contains filtered or unexported fields
}

func (*ConcurrentServer) Stop ¶

func (c *ConcurrentServer) Stop()

type Config ¶

type Config struct {
	Hosts         CommaStringFlags
	Ports         CommaIntFlags
	DataPortRange DashIntFlags
	ListenMode    bool
	NoCompression bool
	ToResolve     string
	CmdID         string
	SegID         int
	PrintVersion  bool
	MD5XORMode    bool
	TransCompType string
	NumClients    CommaIntFlags
	Direction     string
	NumDests      int
}

func NewConfig ¶

func NewConfig() *Config

func (*Config) InitFlags ¶

func (c *Config) InitFlags()

func (*Config) Parse ¶

func (c *Config) Parse() (bool, error)

type DashIntFlags ¶

type DashIntFlags []int

func (*DashIntFlags) Set ¶

func (d *DashIntFlags) Set(value string) error

func (*DashIntFlags) String ¶

func (d *DashIntFlags) String() string

func (*DashIntFlags) Type ¶

func (d *DashIntFlags) Type() string

type Handler ¶

type Handler interface {
	// contains filtered or unexported methods
}

type Helper ¶

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

func NewHelper ¶

func NewHelper(cfg *Config) *Helper

func (*Helper) Cleanup ¶

func (h *Helper) Cleanup(isTerminated bool)

func (*Helper) GetErrCode ¶

func (h *Helper) GetErrCode() int

func (*Helper) Run ¶

func (h *Helper) Run() error

func (*Helper) Start ¶

func (h *Helper) Start()

func (*Helper) Stop ¶

func (h *Helper) Stop()

type OneTimeClient ¶

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

OneTimeClient handles single connection scenarios for sending or receiving data.

func (*OneTimeClient) Run ¶

func (c *OneTimeClient) Run() error

Run executes the client operation.

type OneTimeServer ¶

type OneTimeServer struct {
	ServerBase
}

func (*OneTimeServer) Serve ¶

func (o *OneTimeServer) Serve()

func (*OneTimeServer) Stop ¶

func (o *OneTimeServer) Stop()

func (*OneTimeServer) WaitForFinished ¶

func (o *OneTimeServer) WaitForFinished()

type ReadOnlyCompressConn ¶

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

func (*ReadOnlyCompressConn) Close ¶

func (conn *ReadOnlyCompressConn) Close() error

func (*ReadOnlyCompressConn) Read ¶

func (conn *ReadOnlyCompressConn) Read(bytes []byte) (int, error)

func (*ReadOnlyCompressConn) Write ¶

func (conn *ReadOnlyCompressConn) Write(bytes []byte) (int, error)

type Server ¶

type Server interface {
	Start() int
	Serve()
	Stop()
	WaitForFinished()
	Err() error
}

func NewConcurrentServer ¶

func NewConcurrentServer(numConn int32, config *Config) Server

func NewOneTimeServer ¶

func NewOneTimeServer(config *Config) Server

type ServerBase ¶

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

func (*ServerBase) Err ¶

func (t *ServerBase) Err() error

func (*ServerBase) Serve ¶

func (t *ServerBase) Serve()

func (*ServerBase) Start ¶

func (t *ServerBase) Start() int

func (*ServerBase) WaitForFinished ¶

func (t *ServerBase) WaitForFinished()

type WriteOnlyCompressConn ¶

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

func (*WriteOnlyCompressConn) Close ¶

func (conn *WriteOnlyCompressConn) Close() error

Close properly closes both the compressor and underlying connection

func (*WriteOnlyCompressConn) Read ¶

func (conn *WriteOnlyCompressConn) Read(bytes []byte) (int, error)

func (*WriteOnlyCompressConn) Write ¶

func (conn *WriteOnlyCompressConn) Write(bytes []byte) (int, error)

Source Files ¶

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