rpc

package
v1.5.1 Latest Latest
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 Go to latest Published: Apr 17, 2024 License: MIT Imports: 37 Imported by: 0

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Index

Constants

View Source 
const (
	// ProtoVersions contains a comma-seprated list of compatible RPC protos versions
	// (we pass it as request meta to notify clients)
	ProtoVersions = "v1"
)

Variables

This section is empty.

Functions

func NewHTTPClientHelper added in v1.4.0 

func NewHTTPClientHelper(s *HTTPService) *httpClientHelper

Types

type Barrier added in v1.2.3 

type Barrier interface {
	Acquire()
	Release()
	BusyCount() int
	Capacity() int
	CapacityInfo() string
	Exhausted()
	HasDynamicCapacity() bool
	Start()
	Stop()
}

type ClientHelper added in v1.2.0 

type ClientHelper interface {
	Ready() error
	SupportsActiveConns() bool
	ActiveConns() int
	Close()
}

ClientHelper provides additional methods to operate gRPC client

type Config added in v1.0.1 

type Config struct {
	// RPC instance host
	Host string
	// The max number of simultaneous requests.
	// Should be slightly less than the RPC server concurrency to avoid
	// ResourceExhausted errors
	Concurrency int
	// Enable client-side TLS on RPC connections?
	EnableTLS bool
	// Whether to verify the RPC server's certificate chain and host name
	TLSVerify bool
	// CA root TLS certificate path
	TLSRootCA string
	// Max receive msg size (bytes)
	MaxRecvSize int
	// Max send msg size (bytes)
	MaxSendSize int
	// Underlying implementation (grpc, http, or none)
	Implementation string
	// Alternative dialer implementation
	DialFun Dialer
	// Secret for HTTP RPC authentication
	Secret string
	// Timeout for HTTP RPC requests (in ms)
	RequestTimeout int
	// SecretBase is a secret used to generate authentication token
	SecretBase string
}

Config contains RPC controller configuration

func NewConfig added in v1.0.1 

func NewConfig() Config

NewConfig builds a new config

func (*Config) Impl added in v1.4.6 

func (c *Config) Impl() string

Return chosen implementation either from the user provided value or from the host scheme

func (*Config) TLSConfig added in v1.4.1 

func (c *Config) TLSConfig() (*tls.Config, error)

TLSConfig builds TLS configuration for RPC client

func (*Config) TLSEnabled added in v1.4.1 

func (c *Config) TLSEnabled() bool

Whether secure connection to RPC server is enabled either explicitly or implicitly

type Controller 

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

Controller implements node.Controller interface for gRPC

func NewController 

func NewController(metrics metrics.Instrumenter, config *Config, l *slog.Logger) (*Controller, error)

NewController builds new Controller

func (*Controller) Authenticate 

func (c *Controller) Authenticate(sid string, env *common.SessionEnv) (*common.ConnectResult, error)

Authenticate performs Connect RPC call

func (*Controller) Disconnect 

func (c *Controller) Disconnect(sid string, env *common.SessionEnv, id string, subscriptions []string) error

Disconnect performs disconnect RPC call

func (*Controller) Perform 

func (c *Controller) Perform(sid string, env *common.SessionEnv, id string, channel string, data string) (*common.CommandResult, error)

Perform performs Command RPC call with "perform" command

func (*Controller) Shutdown 

func (c *Controller) Shutdown() error

Shutdown closes connections

func (*Controller) Start 

func (c *Controller) Start() error

Start initializes RPC connection pool

func (*Controller) Subscribe 

func (c *Controller) Subscribe(sid string, env *common.SessionEnv, id string, channel string) (*common.CommandResult, error)

Subscribe performs Command RPC call with "subscribe" command

func (*Controller) Unsubscribe 

func (c *Controller) Unsubscribe(sid string, env *common.SessionEnv, id string, channel string) (*common.CommandResult, error)

Unsubscribe performs Command RPC call with "unsubscribe" command

type Dialer added in v1.2.0 

type Dialer = func(c *Config, l *slog.Logger) (pb.RPCClient, ClientHelper, error)

Dialer is factory function to build a new client with its helper

func NewHTTPDialer added in v1.4.0 

func NewHTTPDialer(c *Config) (Dialer, error)

func NewInprocessServiceDialer added in v1.4.0 

func NewInprocessServiceDialer(service pb.RPCServer, stateHandler ClientHelper) Dialer

type FixedSizeBarrier added in v1.2.3 

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

func NewFixedSizeBarrier added in v1.2.3 

func NewFixedSizeBarrier(capacity int) (*FixedSizeBarrier, error)

func (*FixedSizeBarrier) Acquire added in v1.2.3 

func (b *FixedSizeBarrier) Acquire()

func (*FixedSizeBarrier) BusyCount added in v1.2.3 

func (b *FixedSizeBarrier) BusyCount() int

func (*FixedSizeBarrier) Capacity added in v1.2.3 

func (b *FixedSizeBarrier) Capacity() int

func (*FixedSizeBarrier) CapacityInfo added in v1.2.3 

func (b *FixedSizeBarrier) CapacityInfo() string

func (FixedSizeBarrier) Exhausted added in v1.2.3 

func (FixedSizeBarrier) Exhausted()

func (FixedSizeBarrier) HasDynamicCapacity added in v1.3.0 

func (FixedSizeBarrier) HasDynamicCapacity() (res bool)

func (*FixedSizeBarrier) Release added in v1.2.3 

func (b *FixedSizeBarrier) Release()

func (FixedSizeBarrier) Start added in v1.3.0 

func (FixedSizeBarrier) Start()

func (FixedSizeBarrier) Stop added in v1.3.0 

func (FixedSizeBarrier) Stop()

type HTTPService added in v1.4.0 

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

func NewHTTPService added in v1.4.0 

func NewHTTPService(c *Config) (*HTTPService, error)

func (*HTTPService) Command added in v1.4.0 

func (s *HTTPService) Command(ctx context.Context, r *pb.CommandMessage) (*pb.CommandResponse, error)

func (*HTTPService) Connect added in v1.4.0 

func (s *HTTPService) Connect(ctx context.Context, r *pb.ConnectionRequest) (*pb.ConnectionResponse, error)

func (*HTTPService) Disconnect added in v1.4.0 

func (s *HTTPService) Disconnect(ctx context.Context, r *pb.DisconnectRequest) (*pb.DisconnectResponse, error)

Source Files

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