httpd

package
v1.0.0-beta3 Latest Latest
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Published: Jul 18, 2016 License: MIT Imports: 28 Imported by: 0

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Index

Constants

View Source
const (
	// DefaultBindAddress is the default address to bind to.
	DefaultBindAddress = ":8086"

	// DefaultRealm is the default realm sent back when issuing a basic auth challenge.
	DefaultRealm = "InfluxDB"
)
View Source
const (
	// DefaultChunkSize specifies the maximum number of points that will
	// be read before sending results back to the engine.
	//
	// This has no relation to the number of bytes that are returned.
	DefaultChunkSize = 10000
)

Variables

This section is empty.

Functions

func LimitListener added in v1.0.0

func LimitListener(l net.Listener, n int) net.Listener

LimitListener returns a Listener that accepts at most n simultaneous connections from the provided Listener and will drop extra connections.

func MarshalJSON

func MarshalJSON(v interface{}, pretty bool) []byte

MarshalJSON will marshal v to JSON. Pretty prints if pretty is true.

Types

type AuthenticationMethod added in v1.0.0

type AuthenticationMethod int

AuthenticationMethod defines the type of authentication used.

const (
	UserAuthentication AuthenticationMethod = iota
	BearerAuthentication
)

Supported authentication methods.

type Config

type Config struct {
	Enabled            bool   `toml:"enabled"`
	BindAddress        string `toml:"bind-address"`
	AuthEnabled        bool   `toml:"auth-enabled"`
	LogEnabled         bool   `toml:"log-enabled"`
	WriteTracing       bool   `toml:"write-tracing"`
	HTTPSEnabled       bool   `toml:"https-enabled"`
	HTTPSCertificate   string `toml:"https-certificate"`
	HTTPSPrivateKey    string `toml:"https-private-key"`
	MaxRowLimit        int    `toml:"max-row-limit"`
	MaxConnectionLimit int    `toml:"max-connection-limit"`
	SharedSecret       string `toml:"shared-secret"`
	Realm              string `toml:"realm"`
}

Config represents a configuration for a HTTP service.

func NewConfig

func NewConfig() Config

NewConfig returns a new Config with default settings.

type Handler

type Handler struct {
	Version string

	MetaClient interface {
		Database(name string) *meta.DatabaseInfo
		Authenticate(username, password string) (ui *meta.UserInfo, err error)
		Users() []meta.UserInfo
		User(username string) (*meta.UserInfo, error)
	}

	QueryAuthorizer interface {
		AuthorizeQuery(u *meta.UserInfo, query *influxql.Query, database string) error
	}

	WriteAuthorizer interface {
		AuthorizeWrite(username, database string) error
	}

	QueryExecutor *influxql.QueryExecutor

	Monitor interface {
		Statistics(tags map[string]string) ([]*monitor.Statistic, error)
	}

	PointsWriter interface {
		WritePoints(database, retentionPolicy string, consistencyLevel models.ConsistencyLevel, points []models.Point) error
	}

	ContinuousQuerier continuous_querier.ContinuousQuerier

	Config    *Config
	Logger    *log.Logger
	CLFLogger *log.Logger
	// contains filtered or unexported fields
}

Handler represents an HTTP handler for the InfluxDB server.

func NewHandler

func NewHandler(c Config) *Handler

NewHandler returns a new instance of handler with routes.

func (*Handler) AddRoutes added in v0.12.0

func (h *Handler) AddRoutes(routes ...Route)

AddRoutes sets the provided routes on the handler.

func (*Handler) ServeHTTP

func (h *Handler) ServeHTTP(w http.ResponseWriter, r *http.Request)

ServeHTTP responds to HTTP request to the handler.

func (*Handler) Statistics added in v1.0.0

func (h *Handler) Statistics(tags map[string]string) []models.Statistic

Statistics returns statistics for periodic monitoring.

type Response

type Response struct {
	Results []*influxql.Result
	Err     error
}

Response represents a list of statement results.

func (*Response) Error

func (r *Response) Error() error

Error returns the first error from any statement. Returns nil if no errors occurred on any statements.

func (Response) MarshalJSON

func (r Response) MarshalJSON() ([]byte, error)

MarshalJSON encodes a Response struct into JSON.

func (*Response) UnmarshalJSON

func (r *Response) UnmarshalJSON(b []byte) error

UnmarshalJSON decodes the data into the Response struct

type Route added in v0.12.0

type Route struct {
	Name           string
	Method         string
	Pattern        string
	Gzipped        bool
	LoggingEnabled bool
	HandlerFunc    interface{}
}

Route specifies how to handle a HTTP verb for a given endpoint.

type Service

type Service struct {
	Handler *Handler

	Logger *log.Logger
	// contains filtered or unexported fields
}

Service manages the listener and handler for an HTTP endpoint.

func NewService

func NewService(c Config) *Service

NewService returns a new instance of Service.

func (*Service) Addr

func (s *Service) Addr() net.Addr

Addr returns the listener's address. Returns nil if listener is closed.

func (*Service) Close

func (s *Service) Close() error

Close closes the underlying listener.

func (*Service) Err

func (s *Service) Err() <-chan error

Err returns a channel for fatal errors that occur on the listener.

func (*Service) Open

func (s *Service) Open() error

Open starts the service

func (*Service) SetLogOutput added in v0.13.0

func (s *Service) SetLogOutput(w io.Writer)

SetLogOutput sets the writer to which all logs are written. It must not be called after Open is called.

func (*Service) Statistics added in v1.0.0

func (s *Service) Statistics(tags map[string]string) []models.Statistic

Statistics returns statistics for periodic monitoring.

type Statistics added in v1.0.0

type Statistics struct {
	Requests                     int64
	CQRequests                   int64
	QueryRequests                int64
	WriteRequests                int64
	PingRequests                 int64
	StatusRequests               int64
	WriteRequestBytesReceived    int64
	QueryRequestBytesTransmitted int64
	PointsWrittenOK              int64
	PointsWrittenFail            int64
	AuthenticationFailures       int64
	RequestDuration              int64
	QueryRequestDuration         int64
	WriteRequestDuration         int64
	ActiveRequests               int64
	ActiveWriteRequests          int64
	ClientErrors                 int64
	ServerErrors                 int64
}

Statistics maintains statistics for the httpd service.

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