serverplugin

package
v0.0.0-...-d995e87 Latest Latest
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 Go to latest Published: Aug 29, 2019 License: Apache-2.0 Imports: 31 Imported by: 0

Documentation

Index

Constants

This section is empty.

Variables

View Source 
var (
	SendFileServiceName = "_filetransfer"
)

Functions

func GetFunctionName 

func GetFunctionName(i interface{}) string

func InfluxDB 

func InfluxDB(r metrics.Registry, d time.Duration, url, database, username, password string)

InfluxDB starts a InfluxDB reporter which will post the metrics from the given registry at each d interval.

func InfluxDBWithTags 

func InfluxDBWithTags(r metrics.Registry, d time.Duration, url, database, username, password string, tags map[string]string)

InfluxDBWithTags starts a InfluxDB reporter which will post the metrics from the given registry at each d interval with the specified tags

func RegisterFileTransfer 

func RegisterFileTransfer(s *server.Server, fileTransfer *FileTransfer)

RegisterFileTransfer register filetransfer service into the server.

Types

type AliasPlugin 

type AliasPlugin struct {
	Aliases          map[string]*aliasPair
	ReseverseAliases map[string]*aliasPair
}

AliasPlugin can be used to set aliases for services

func NewAliasPlugin 

func NewAliasPlugin() *AliasPlugin

NewAliasPlugin creates a new NewAliasPlugin

func (*AliasPlugin) Alias 

func (p *AliasPlugin) Alias(aliasServicePath, aliasServiceMethod string, servicePath, serviceMethod string)

Alias sets a alias for the serviceMethod. For example Alias("anewpath&method", "Arith.mul")

func (*AliasPlugin) PostReadRequest 

func (p *AliasPlugin) PostReadRequest(ctx context.Context, r *protocol.Message, e error) error

PostReadRequest converts the alias of this service.

func (*AliasPlugin) PreWriteResponse 

func (p *AliasPlugin) PreWriteResponse(ctx context.Context, r *protocol.Message, res *protocol.Message) error

PreWriteResponse restore servicePath and serviceMethod.

type DownloadFileArgs 

type DownloadFileArgs struct {
	FileName string `json:"file_name,omitempty"`
}

DownloadFileArgs args from clients.

type DownloadFileHandler 

type DownloadFileHandler func(conn net.Conn, args *DownloadFileArgs)

DownloadFileHandler handles downloading file. Must close the connection after it finished.

type FileTransfer 

type FileTransfer struct {
	Addr string
	// contains filtered or unexported fields
}

FileTransfer support transfer files from clients. It registers a file transfer service and listens a on the given port. Clients will invokes this service to get the token and send the token and the file to this port.

func NewFileTransfer 

func NewFileTransfer(addr string, handler FileTransferHandler, downloadFileHandler DownloadFileHandler, waitNum int) *FileTransfer

NewFileTransfer creates a FileTransfer with given parameters.

func (*FileTransfer) Start 

func (s *FileTransfer) Start() error

func (*FileTransfer) Stop 

func (s *FileTransfer) Stop() error

type FileTransferArgs 

type FileTransferArgs struct {
	FileName string            `json:"file_name,omitempty"`
	FileSize int64             `json:"file_size,omitempty"`
	Meta     map[string]string `json:"meta,omitempty"`
}

FileTransferArgs args from clients.

type FileTransferHandler 

type FileTransferHandler func(conn net.Conn, args *FileTransferArgs)

FileTransferHandler handles uploading file. Must close the connection after it finished.

type FileTransferReply 

type FileTransferReply struct {
	Token []byte `json:"token,omitempty"`
	Addr  string `json:"addr,omitempty"`
}

FileTransferReply response to token and addr to clients.

type FileTransferService 

type FileTransferService struct {
	FileTransfer *FileTransfer
}

func (*FileTransferService) DownloadFile 

func (s *FileTransferService) DownloadFile(ctx context.Context, args *DownloadFileArgs, reply *FileTransferReply) error

func (*FileTransferService) TransferFile 

func (s *FileTransferService) TransferFile(ctx context.Context, args *FileTransferArgs, reply *FileTransferReply) error

type MDNSRegisterPlugin 

type MDNSRegisterPlugin struct {
	// service address, for example, tcp@127.0.0.1:8972, quic@127.0.0.1:1234
	ServiceAddress string

	Metrics metrics.Registry
	// Registered services
	Services       []*serviceMeta
	UpdateInterval time.Duration
	// contains filtered or unexported fields
}

MDNSRegisterPlugin implements mdns/dns-sd registry.

func NewMDNSRegisterPlugin 

func NewMDNSRegisterPlugin(serviceAddress string, port int, m metrics.Registry, updateInterval time.Duration, domain string) *MDNSRegisterPlugin

NewMDNSRegisterPlugin return a new MDNSRegisterPlugin. If domain is empty, use "local." in default.

func (*MDNSRegisterPlugin) HandleConnAccept 

func (p *MDNSRegisterPlugin) HandleConnAccept(conn net.Conn) (net.Conn, bool)

HandleConnAccept handles connections from clients

func (*MDNSRegisterPlugin) Register 

func (p *MDNSRegisterPlugin) Register(name string, rcvr interface{}, metadata string) (err error)

Register handles registering event. this service is registered at BASE/serviceName/thisIpAddress node

func (*MDNSRegisterPlugin) Start 

func (p *MDNSRegisterPlugin) Start() error

Start starts to connect etcd cluster

func (*MDNSRegisterPlugin) Stop 

func (p *MDNSRegisterPlugin) Stop() error

Stop unregister all services.

func (*MDNSRegisterPlugin) Unregister 

func (p *MDNSRegisterPlugin) Unregister(name string) (err error)

type MetricsPlugin 

type MetricsPlugin struct {
	Registry metrics.Registry
	Prefix   string
}

MetricsPlugin collects metrics of a rpc server. You can report metrics to log, syslog, Graphite, InfluxDB or others to display them in Dashboard such as grafana, Graphite.

func NewMetricsPlugin 

func NewMetricsPlugin(registry metrics.Registry) *MetricsPlugin

NewMetricsPlugin creates a new MetricsPlugirn

func (*MetricsPlugin) Exp 

func (p *MetricsPlugin) Exp()

Exp uses the same mechanism as the official expvar but exposed under /debug/metrics, which shows a json representation of all your usual expvars as well as all your go-metrics.

func (*MetricsPlugin) Graphite 

func (p *MetricsPlugin) Graphite(freq time.Duration, prefix string, addr *net.TCPAddr)

Graphite reports metrics into graphite. 

	addr, _ := net.ResolveTCPAddr("tcp", "127.0.0.1:2003")
 p.Graphite(10e9, "metrics", addr)

func (*MetricsPlugin) HandleConnAccept 

func (p *MetricsPlugin) HandleConnAccept(conn net.Conn) (net.Conn, bool)

HandleConnAccept handles connections from clients

func (*MetricsPlugin) InfluxDB 

func (p *MetricsPlugin) InfluxDB(freq time.Duration, url, database, username, password string)

InfluxDB reports metrics into influxdb. 

p.InfluxDB(10e9, "http://127.0.0.1:8086","metrics", "test","test"})

func (*MetricsPlugin) InfluxDBWithTags 

func (p *MetricsPlugin) InfluxDBWithTags(freq time.Duration, url, database, username, password string, tags map[string]string)

InfluxDBWithTags reports metrics into influxdb with tags. you can set node info into tags. 

p.InfluxDBWithTags(10e9, "http://127.0.0.1:8086","metrics", "test","test", map[string]string{"host":"127.0.0.1"})

func (*MetricsPlugin) Log 

func (p *MetricsPlugin) Log(freq time.Duration, l metrics.Logger)

Log reports metrics into logs.

p.Log( 5 * time.Second, log.New(os.Stderr, "metrics: ", log.Lmicroseconds))

func (*MetricsPlugin) PostReadRequest 

func (p *MetricsPlugin) PostReadRequest(ctx context.Context, r *protocol.Message, e error) error

PostReadRequest counts read

func (*MetricsPlugin) PostWriteResponse 

func (p *MetricsPlugin) PostWriteResponse(ctx context.Context, req *protocol.Message, res *protocol.Message, e error) error

PostWriteResponse count write

func (*MetricsPlugin) PreReadRequest 

func (p *MetricsPlugin) PreReadRequest(ctx context.Context) error

PreReadRequest marks start time of calling service

func (*MetricsPlugin) Register 

func (p *MetricsPlugin) Register(name string, rcvr interface{}, metadata string) error

Register handles registering event.

type OpenCensusPlugin 

type OpenCensusPlugin struct{}

func (OpenCensusPlugin) PostConnAccept 

func (p OpenCensusPlugin) PostConnAccept(conn net.Conn) (net.Conn, bool)

func (OpenCensusPlugin) PostWriteResponse 

func (p OpenCensusPlugin) PostWriteResponse(ctx context.Context, req *protocol.Message, res *protocol.Message, err error) error

func (OpenCensusPlugin) PreHandleRequest 

func (p OpenCensusPlugin) PreHandleRequest(ctx context.Context, r *protocol.Message) error

func (OpenCensusPlugin) Register 

func (p OpenCensusPlugin) Register(name string, rcvr interface{}, metadata string) error

func (OpenCensusPlugin) RegisterFunction 

func (p OpenCensusPlugin) RegisterFunction(name string, fn interface{}, metadata string) error

type OpenTracingPlugin 

type OpenTracingPlugin struct{}

func (OpenTracingPlugin) PostConnAccept 

func (p OpenTracingPlugin) PostConnAccept(conn net.Conn) (net.Conn, bool)

func (OpenTracingPlugin) PostWriteResponse 

func (p OpenTracingPlugin) PostWriteResponse(ctx context.Context, req *protocol.Message, res *protocol.Message, err error) error

func (OpenTracingPlugin) PreHandleRequest 

func (p OpenTracingPlugin) PreHandleRequest(ctx context.Context, r *protocol.Message) error

func (OpenTracingPlugin) Register 

func (p OpenTracingPlugin) Register(name string, rcvr interface{}, metadata string) error

func (OpenTracingPlugin) RegisterFunction 

func (p OpenTracingPlugin) RegisterFunction(name string, fn interface{}, metadata string) error

type RateLimitingPlugin 

type RateLimitingPlugin struct {
	FillInterval time.Duration
	Capacity     int64
	// contains filtered or unexported fields
}

RateLimitingPlugin can limit connecting per unit time

func NewRateLimitingPlugin 

func NewRateLimitingPlugin(fillInterval time.Duration, capacity int64) *RateLimitingPlugin

NewRateLimitingPlugin creates a new RateLimitingPlugin

func (*RateLimitingPlugin) HandleConnAccept 

func (plugin *RateLimitingPlugin) HandleConnAccept(conn net.Conn) (net.Conn, bool)

HandleConnAccept can limit connecting rate

type TracePlugin 

type TracePlugin struct {
}

func (*TracePlugin) PostConnAccept 

func (p *TracePlugin) PostConnAccept(conn net.Conn) (net.Conn, bool)

func (*TracePlugin) PostReadRequest 

func (p *TracePlugin) PostReadRequest(ctx context.Context, r *protocol.Message, e error) error

func (*TracePlugin) PostWriteResponse 

func (p *TracePlugin) PostWriteResponse(ctx context.Context, req *protocol.Message, res *protocol.Message, err error) error

func (*TracePlugin) Register 

func (p *TracePlugin) Register(name string, rcvr interface{}, metadata string) error

func (*TracePlugin) RegisterFunction 

func (p *TracePlugin) RegisterFunction(name string, fn interface{}, metadata string) error

Source Files

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