config

package
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Published: Aug 24, 2022 License: Apache-2.0 Imports: 14 Imported by: 0

Documentation

Overview

Package config is a generated GoMock package.

Index

Constants

View Source
const (
	Overlap  = "overlap"
	OnlyOnce = "onlyonce"
)

Variables

View Source
var DefaultListeners = []*ListenerConfig{
	{
		Address:    "0.0.0.0:1883",
		TLSOptions: nil,
		Websocket:  nil,
	},
	{
		Address: "0.0.0.0:8883",
		Websocket: &WebsocketOptions{
			Path: "/",
		},
	},
}
View Source
var (
	// DefaultMQTTConfig
	DefaultMQTTConfig = MQTT{
		SessionExpiry:              2 * time.Hour,
		SessionExpiryCheckInterval: 20 * time.Second,
		MessageExpiry:              2 * time.Hour,
		InflightExpiry:             30 * time.Second,
		MaxPacketSize:              packets.MaximumSize,
		ReceiveMax:                 100,
		MaxKeepAlive:               300,
		TopicAliasMax:              10,
		SubscriptionIDAvailable:    true,
		SharedSubAvailable:         true,
		WildcardAvailable:          true,
		RetainAvailable:            true,
		MaxQueuedMsg:               1000,
		MaxInflight:                100,
		MaximumQoS:                 2,
		QueueQos0Msg:               true,
		DeliveryMode:               OnlyOnce,
		AllowZeroLenClientID:       true,
	}
)
View Source
var (

	// DefaultPersistenceConfig is the default value of Persistence
	DefaultPersistenceConfig = Persistence{
		Type: PersistenceTypeMemory,
		Redis: RedisPersistence{
			Addr:        "127.0.0.1:6379",
			Password:    "",
			Database:    0,
			MaxIdle:     &defaultMaxIdle,
			MaxActive:   &defaultMaxActive,
			IdleTimeout: 240 * time.Second,
		},
	}
)
View Source
var (
	// DefaultTopicAliasManager is the default value of TopicAliasManager
	DefaultTopicAliasManager = TopicAliasManager{
		Type: TopicAliasMgrTypeFIFO,
	}
)

Functions

func RegisterDefaultPluginConfig

func RegisterDefaultPluginConfig(name string, config Configuration)

RegisterDefaultPluginConfig registers the default configuration for the given plugin.

Types

type API

type API struct {
	// GRPC is the gRPC endpoint configuration.
	GRPC []*Endpoint `yaml:"grpc"`
	// HTTP is the HTTP endpoint configuration.
	HTTP []*Endpoint `yaml:"http"`
}

API is the configuration for API server. The API server use gRPC-gateway to provide both gRPC and HTTP endpoints.

var DefaultAPI API

func (API) Validate

func (a API) Validate() error

type Config

type Config struct {
	Listeners []*ListenerConfig `yaml:"listeners"`
	API       API               `yaml:"api"`
	MQTT      MQTT              `yaml:"mqtt,omitempty"`
	GRPC      GRPC              `yaml:"gRPC"`
	Log       LogConfig         `yaml:"log"`
	PidFile   string            `yaml:"pid_file"`
	ConfigDir string            `yaml:"config_dir"`
	Plugins   pluginConfig      `yaml:"plugins"`
	// PluginOrder is a slice that contains the name of the plugin which will be loaded.
	// Giving a correct order to the slice is significant,
	// because it represents the loading order which affect the behavior of the broker.
	PluginOrder       []string          `yaml:"plugin_order"`
	Persistence       Persistence       `yaml:"persistence"`
	TopicAliasManager TopicAliasManager `yaml:"topic_alias_manager"`
}

Config is the configration for gmqttd.

func DefaultConfig

func DefaultConfig() Config

DefaultConfig return the default configuration. If config file is not provided, gmqttd will start with DefaultConfig.

func ParseConfig

func ParseConfig(filePath string) (c Config, err error)

func (Config) GetLogger

func (c Config) GetLogger(config LogConfig) (l *zap.Logger, err error)

func (*Config) UnmarshalYAML

func (c *Config) UnmarshalYAML(unmarshal func(interface{}) error) error

func (Config) Validate

func (c Config) Validate() (err error)

type Configuration

type Configuration interface {
	// Validate validates the configuration.
	// If returns error, the broker will not start.
	Validate() error
	// Unmarshaler defined how to unmarshal YAML into the config structure.
	yaml.Unmarshaler
}

Configuration is the interface that enable the implementation to parse config from the global config file. Plugin admin and prometheus are two examples.

type Endpoint

type Endpoint struct {
	// Address is the bind address of the endpoint.
	// Format: [tcp|unix://][<host>]:<port>
	// e.g :
	// * unix:///var/run/gmqttd.sock
	// * tcp://127.0.0.1:8080
	// * :8081 (equal to tcp://:8081)
	Address string `yaml:"address"`
	// Map maps the HTTP endpoint to gRPC endpoint.
	// Must be set if the endpoint is representing a HTTP endpoint.
	Map string `yaml:"map"`
	// TLS is the tls configuration.
	TLS *TLSOptions `yaml:"tls"`
}

Endpoint represents a gRPC or HTTP server endpoint.

type GRPC

type GRPC struct {
	Endpoint string `yaml:"endpoint"`
}

type ListenerConfig

type ListenerConfig struct {
	Address     string `yaml:"address"`
	*TLSOptions `yaml:"tls"`
	Websocket   *WebsocketOptions `yaml:"websocket"`
}

type LogConfig

type LogConfig struct {
	// Level is the log level. Possible values: debug, info, warn, error
	Level string `yaml:"level"`
	// Format is the log format. Possible values: json, text
	Format string `yaml:"format"`
	// DumpPacket indicates whether to dump MQTT packet in debug level.
	DumpPacket bool `yaml:"dump_packet"`
}

LogConfig is use to configure the log behaviors.

func (LogConfig) Validate

func (l LogConfig) Validate() error

type MQTT

type MQTT struct {
	// SessionExpiry is the maximum session expiry interval in seconds.
	SessionExpiry time.Duration `yaml:"session_expiry"`
	// SessionExpiryCheckInterval is the interval time for session expiry checker to check whether there
	// are expired sessions.
	SessionExpiryCheckInterval time.Duration `yaml:"session_expiry_check_interval"`
	// MessageExpiry is the maximum lifetime of the message in seconds.
	// If a message in the queue is not sent in MessageExpiry time, it will be removed, which means it will not be sent to the subscriber.
	MessageExpiry time.Duration `yaml:"message_expiry"`
	// InflightExpiry is the lifetime of the "inflight" message in seconds.
	// If a "inflight" message is not acknowledged by a client in InflightExpiry time, it will be removed when the message queue is full.
	InflightExpiry time.Duration `yaml:"inflight_expiry"`
	// MaxPacketSize is the maximum packet size that the server is willing to accept from the client
	MaxPacketSize uint32 `yaml:"max_packet_size"`
	// ReceiveMax limits the number of QoS 1 and QoS 2 publications that the server is willing to process concurrently for the client.
	ReceiveMax uint16 `yaml:"server_receive_maximum"`
	// MaxKeepAlive is the maximum keep alive time in seconds allows by the server.
	// If the client requests a keepalive time bigger than MaxKeepalive,
	// the server will use MaxKeepAlive as the keepalive time.
	// In this case, if the client version is v5, the server will set MaxKeepalive into CONNACK to inform the client.
	// But if the client version is 3.x, the server has no way to inform the client that the keepalive time has been changed.
	MaxKeepAlive uint16 `yaml:"max_keepalive"`
	// TopicAliasMax indicates the highest value that the server will accept as a Topic Alias sent by the client.
	// No-op if the client version is MQTTv3.x
	TopicAliasMax uint16 `yaml:"topic_alias_maximum"`
	// SubscriptionIDAvailable indicates whether the server supports Subscription Identifiers.
	// No-op if the client version is MQTTv3.x .
	SubscriptionIDAvailable bool `yaml:"subscription_identifier_available"`
	// SharedSubAvailable indicates whether the server supports Shared Subscriptions.
	SharedSubAvailable bool `yaml:"shared_subscription_available"`
	// WildcardSubAvailable indicates whether the server supports Wildcard Subscriptions.
	WildcardAvailable bool `yaml:"wildcard_subscription_available"`
	// RetainAvailable indicates whether the server supports retained messages.
	RetainAvailable bool `yaml:"retain_available"`
	// MaxQueuedMsg is the maximum queue length of the outgoing messages.
	// If the queue is full, some message will be dropped.
	// The message dropping strategy is described in the document of the persistence/queue.Store interface.
	MaxQueuedMsg int `yaml:"max_queued_messages"`
	// MaxInflight limits inflight message length of the outgoing messages.
	// Inflight message is also stored in the message queue, so it must be less than or equal to MaxQueuedMsg.
	// Inflight message is the QoS 1 or QoS 2 message that has been sent out to a client but not been acknowledged yet.
	MaxInflight uint16 `yaml:"max_inflight"`
	// MaximumQoS is the highest QOS level permitted for a Publish.
	MaximumQoS uint8 `yaml:"maximum_qos"`
	// QueueQos0Msg indicates whether to store QoS 0 message for a offline session.
	QueueQos0Msg bool `yaml:"queue_qos0_messages"`
	// DeliveryMode is the delivery mode. The possible value can be "overlap" or "onlyonce".
	// It is possible for a client’s subscriptions to overlap so that a published message might match multiple filters.
	// When set to "overlap" , the server will deliver one message for each matching subscription and respecting the subscription’s QoS in each case.
	// When set to "onlyonce",the server will deliver the message to the client respecting the maximum QoS of all the matching subscriptions.
	DeliveryMode string `yaml:"delivery_mode"`
	// AllowZeroLenClientID indicates whether to allow a client to connect with empty client id.
	AllowZeroLenClientID bool `yaml:"allow_zero_length_clientid"`
}

func (MQTT) Validate

func (c MQTT) Validate() error

type MockConfiguration

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

MockConfiguration is a mock of Configuration interface

func NewMockConfiguration

func NewMockConfiguration(ctrl *gomock.Controller) *MockConfiguration

NewMockConfiguration creates a new mock instance

func (*MockConfiguration) EXPECT

EXPECT returns an object that allows the caller to indicate expected use

func (*MockConfiguration) UnmarshalYAML

func (m *MockConfiguration) UnmarshalYAML(unmarshal func(interface{}) error) error

UnmarshalYAML mocks base method

func (*MockConfiguration) Validate

func (m *MockConfiguration) Validate() error

Validate mocks base method

type MockConfigurationMockRecorder

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

MockConfigurationMockRecorder is the mock recorder for MockConfiguration

func (*MockConfigurationMockRecorder) UnmarshalYAML

func (mr *MockConfigurationMockRecorder) UnmarshalYAML(unmarshal interface{}) *gomock.Call

UnmarshalYAML indicates an expected call of UnmarshalYAML

func (*MockConfigurationMockRecorder) Validate

func (mr *MockConfigurationMockRecorder) Validate() *gomock.Call

Validate indicates an expected call of Validate

type Persistence

type Persistence struct {
	// Type is the persistence type.
	// If empty, use "memory" as default.
	Type PersistenceType `yaml:"type"`
	// Redis is the redis configuration and must be set when Type ==  "redis".
	Redis RedisPersistence `yaml:"redis"`
}

Persistence is the config of backend persistence.

func (*Persistence) Validate

func (p *Persistence) Validate() error

type PersistenceType

type PersistenceType = string
const (
	PersistenceTypeMemory PersistenceType = "memory"
	PersistenceTypeRedis  PersistenceType = "redis"
)

type RedisPersistence

type RedisPersistence struct {
	// Addr is the redis server address.
	// If empty, use "127.0.0.1:6379" as default.
	Addr string `yaml:"addr"`
	// Password is the redis password.
	Password string `yaml:"password"`
	// Database is the number of the redis database to be connected.
	Database uint `yaml:"database"`
	// MaxIdle is the maximum number of idle connections in the pool.
	// If nil, use 1000 as default.
	// This value will pass to redis.Pool.MaxIde.
	MaxIdle *uint `yaml:"max_idle"`
	// MaxActive is the maximum number of connections allocated by the pool at a given time.
	// If nil, use 0 as default.
	// If zero, there is no limit on the number of connections in the pool.
	// This value will pass to redis.Pool.MaxActive.
	MaxActive *uint `yaml:"max_active"`
	// Close connections after remaining idle for this duration. If the value
	// is zero, then idle connections are not closed. Applications should set
	// the timeout to a value less than the server's timeout.
	// Ff zero, use 240 * time.Second as default.
	// This value will pass to redis.Pool.IdleTimeout.
	IdleTimeout time.Duration `yaml:"idle_timeout"`
}

RedisPersistence is the configuration of redis persistence.

type TLSOptions

type TLSOptions struct {
	// CACert is the trust CA certificate file.
	CACert string `yaml:"cacert"`
	// Cert is the path to certificate file.
	Cert string `yaml:"cert"`
	// Key is the path to key file.
	Key string `yaml:"key"`
	// Verify indicates whether to verify client cert.
	Verify bool `yaml:"verify"`
}

type TopicAliasManager

type TopicAliasManager struct {
	Type TopicAliasType
}

TopicAliasManager is the config of the topic alias manager.

type TopicAliasType

type TopicAliasType = string
const (
	TopicAliasMgrTypeFIFO TopicAliasType = "fifo"
)

type WebsocketOptions

type WebsocketOptions struct {
	Path string `yaml:"path"`
}

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