Class: Ably::Realtime::Client
- Inherits:
-
Object
- Object
- Ably::Realtime::Client
- Extended by:
- Forwardable
- Includes:
- Modules::AsyncWrapper
- Defined in:
- lib/ably/realtime/client.rb,
lib/ably/realtime/client/incoming_message_dispatcher.rb,
lib/ably/realtime/client/outgoing_message_dispatcher.rb
Overview
Client for the Ably Realtime API
Defined Under Namespace
Classes: IncomingMessageDispatcher, OutgoingMessageDispatcher
Constant Summary collapse
- DOMAIN =
'realtime.ably.io'
Instance Attribute Summary collapse
-
#auth ⇒ Ably::Auth
readonly
Auth authentication object configured for this connection.
-
#auth_options ⇒ Hash
readonly
Auth options configured for this client.
-
#auto_connect ⇒ Boolean
readonly
When true, as soon as the client library is instantiated it will connect to Ably.
-
#channels ⇒ Aby::Realtime::Channels
readonly
The collection of Channels that have been created.
-
#client_id ⇒ String
readonly
A client ID, used for identifying this client for presence purposes.
-
#connection ⇒ Aby::Realtime::Connection
readonly
The underlying connection for this client.
-
#custom_realtime_host ⇒ String, Nil
readonly
The custom realtime websocket host that is being used if it was provided with the option ‘:ws_host` when the Client was created.
-
#echo_messages ⇒ Boolean
readonly
When false the client suppresses messages originating from this connection being echoed back on the same connection.
-
#encoders ⇒ Array<Ably::Models::MessageEncoder::Base>
readonly
private
The registered encoders that are used to encode and decode message payloads.
-
#endpoint ⇒ URI::Generic
readonly
Default Ably Realtime endpoint used for all requests.
-
#environment ⇒ String
readonly
Custom environment to use such as ‘sandbox’ when testing the client library against an alternate Ably environment.
-
#fallback_endpoint ⇒ URI::Generic
readonly
private
Fallback endpoint used to connect to the realtime Ably service.
-
#protocol ⇒ Symbol
readonly
The protocol configured for this client, either binary ‘:msgpack` or text based `:json`.
-
#protocol_binary? ⇒ Boolean
readonly
True of the transport #protocol communicates with Ably with a binary protocol.
-
#queue_messages ⇒ Boolean
readonly
If false, this disables the default behaviour whereby the library queues messages on a connection in the disconnected or connecting states.
-
#recover ⇒ String, Nil
readonly
When a recover option is specified a connection inherits the state of a previous connection that may have existed under a different instance of the Realtime library, please refer to the API documentation for further information on connection state recovery.
-
#rest_client ⇒ Ably::Rest::Client
readonly
The REST client instantiated with the same credentials and configuration that is used for all REST operations such as authentication.
Instance Method Summary collapse
-
#channel(name, channel_options = {}) ⇒ Ably::Realtime::Channel
Return a Realtime Channel for the given name.
-
#close { ... } ⇒ EventMachine::Deferrable
Causes the connection to close, entering the closed state, from any state except the failed state.
-
#connect { ... } ⇒ EventMachine::Deferrable
Causes the library to attempt connection.
-
#disable_automatic_connection_recovery ⇒ void
private
Disable connection recovery, typically used after a connection has been recovered.
-
#fallback_hosts ⇒ Object
The list of fallback hosts to be used by this client if empty or nil then fallback host functionality is disabled.
-
#initialize(options) ⇒ Ably::Realtime::Client
constructor
Creates a Realtime Client and configures the Auth object for the connection.
-
#logger ⇒ Logger
The Logger for this client.
-
#register_encoder(encoder) ⇒ void
private
Register a message encoder and decoder that implements Ably::Models::MessageEncoders::Base interface.
-
#request(method, path, params = {}, body = nil, headers = {}) {|Ably::Models::HttpPaginatedResponse<>| ... } ⇒ Ably::Models::HttpPaginatedResponse<>, Ably::Util::SafeDeferrable
Perform an HTTP request to the Ably API This is a convenience for customers who wish to use bleeding edge REST API functionality that is either not documented or is not included in the API for our client libraries.
-
#stats(options = {}) {|Ably::Models::PaginatedResult<Ably::Models::Stats>| ... } ⇒ Ably::Util::SafeDeferrable
Retrieve the stats for the application.
-
#time {|Time| ... } ⇒ Ably::Util::SafeDeferrable
Retrieve the Ably service time.
Constructor Details
#initialize(options) ⇒ Ably::Realtime::Client
Creates a Realtime Client and configures the Auth object for the connection.
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# File 'lib/ably/realtime/client.rb', line 95 def initialize() raise ArgumentError, 'Options Hash is expected' if .nil? = .clone if .kind_of?(String) = if .match(Ably::Auth::API_KEY_REGEX) { key: } else { token: } end end @rest_client = Ably::Rest::Client.new(.merge(realtime_client: self)) @auth = Ably::Realtime::Auth.new(self) @channels = Ably::Realtime::Channels.new(self) @connection = Ably::Realtime::Connection.new(self, ) @echo_messages = rest_client..fetch(:echo_messages, true) == false ? false : true @queue_messages = rest_client..fetch(:queue_messages, true) == false ? false : true @custom_realtime_host = rest_client.[:realtime_host] || rest_client.[:ws_host] @auto_connect = rest_client..fetch(:auto_connect, true) == false ? false : true @recover = rest_client.[:recover] raise ArgumentError, "Recovery key '#{recover}' is invalid" if recover && !recover.match(Connection::RECOVER_REGEX) end |
Instance Attribute Details
#auth ⇒ Ably::Auth (readonly)
Auth authentication object configured for this connection
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# File 'lib/ably/realtime/client.rb', line 33 def auth @auth end |
#auth_options ⇒ Hash (readonly)
Returns Auth options configured for this client.
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# File 'lib/ably/realtime/client.rb', line 22 class Client include Ably::Modules::AsyncWrapper extend Forwardable DOMAIN = 'realtime.ably.io' # The collection of {Ably::Realtime::Channel}s that have been created # @return [Aby::Realtime::Channels] attr_reader :channels # (see Ably::Rest::Client#auth) attr_reader :auth # The underlying connection for this client # @return [Aby::Realtime::Connection] attr_reader :connection # The {Ably::Rest::Client REST client} instantiated with the same credentials and configuration that is used for all REST operations such as authentication # @return [Ably::Rest::Client] attr_reader :rest_client # When false the client suppresses messages originating from this connection being echoed back on the same connection. Defaults to true # @return [Boolean] attr_reader :echo_messages # If false, this disables the default behaviour whereby the library queues messages on a connection in the disconnected or connecting states. Defaults to true # @return [Boolean] attr_reader :queue_messages # The custom realtime websocket host that is being used if it was provided with the option `:ws_host` when the {Client} was created # @return [String,Nil] attr_reader :custom_realtime_host # When true, as soon as the client library is instantiated it will connect to Ably. If this attribute is false, a connection must be opened explicitly # @return [Boolean] attr_reader :auto_connect # When a recover option is specified a connection inherits the state of a previous connection that may have existed under a different instance of the Realtime library, please refer to the API documentation for further information on connection state recovery # @return [String,Nil] attr_reader :recover def_delegators :auth, :client_id, :auth_options def_delegators :@rest_client, :encoders def_delegators :@rest_client, :use_tls?, :protocol, :protocol_binary? def_delegators :@rest_client, :environment, :custom_host, :custom_port, :custom_tls_port def_delegators :@rest_client, :log_level # Creates a {Ably::Realtime::Client Realtime Client} and configures the {Ably::Auth} object for the connection. # # @param (see Ably::Rest::Client#initialize) # @option options (see Ably::Rest::Client#initialize) # @option options [Proc] :auth_callback when provided, the Proc will be called with the token params hash as the first argument, whenever a new token is required. # Whilst the proc is called synchronously, it does not block the EventMachine reactor as it is run in a separate thread. # The Proc should return a token string, {Ably::Models::TokenDetails} or JSON equivalent, {Ably::Models::TokenRequest} or JSON equivalent # @option options [Boolean] :queue_messages If false, this disables the default behaviour whereby the library queues messages on a connection in the disconnected or connecting states # @option options [Boolean] :echo_messages If false, prevents messages originating from this connection being echoed back on the same connection # @option options [String] :recover When a recover option is specified a connection inherits the state of a previous connection that may have existed under a different instance of the Realtime library, please refer to the API documentation for further information on connection state recovery # @option options [Boolean] :auto_connect By default as soon as the client library is instantiated it will connect to Ably. You can optionally set this to false and explicitly connect. # # @option options [Integer] :channel_retry_timeout (15 seconds). When a channel becomes SUSPENDED, after this delay in seconds, the channel will automatically attempt to reattach if the connection is CONNECTED # @option options [Integer] :disconnected_retry_timeout (15 seconds). When the connection enters the DISCONNECTED state, after this delay in seconds, if the state is still DISCONNECTED, the client library will attempt to reconnect automatically # @option options [Integer] :suspended_retry_timeout (30 seconds). When the connection enters the SUSPENDED state, after this delay in seconds, if the state is still SUSPENDED, the client library will attempt to reconnect automatically # @option options [Boolean] :disable_websocket_heartbeats WebSocket heartbeats are more efficient than protocol level heartbeats, however they can be disabled for development purposes # # @return [Ably::Realtime::Client] # # @example # # create a new client authenticating with basic auth # client = Ably::Realtime::Client.new('key.id:secret') # # # create a new client and configure a client ID used for presence # client = Ably::Realtime::Client.new(key: 'key.id:secret', client_id: 'john') # def initialize() raise ArgumentError, 'Options Hash is expected' if .nil? = .clone if .kind_of?(String) = if .match(Ably::Auth::API_KEY_REGEX) { key: } else { token: } end end @rest_client = Ably::Rest::Client.new(.merge(realtime_client: self)) @auth = Ably::Realtime::Auth.new(self) @channels = Ably::Realtime::Channels.new(self) @connection = Ably::Realtime::Connection.new(self, ) @echo_messages = rest_client..fetch(:echo_messages, true) == false ? false : true @queue_messages = rest_client..fetch(:queue_messages, true) == false ? false : true @custom_realtime_host = rest_client.[:realtime_host] || rest_client.[:ws_host] @auto_connect = rest_client..fetch(:auto_connect, true) == false ? false : true @recover = rest_client.[:recover] raise ArgumentError, "Recovery key '#{recover}' is invalid" if recover && !recover.match(Connection::RECOVER_REGEX) end # Return a {Ably::Realtime::Channel Realtime Channel} for the given name # # @param (see Ably::Realtime::Channels#get) # @return (see Ably::Realtime::Channels#get) # def channel(name, = {}) channels.get(name, ) end # Retrieve the Ably service time # # @yield [Time] The time as reported by the Ably service # @return [Ably::Util::SafeDeferrable] # def time(&success_callback) async_wrap(success_callback) do rest_client.time end end # Retrieve the stats for the application # # @param (see Ably::Rest::Client#stats) # @option options (see Ably::Rest::Client#stats) # # @yield [Ably::Models::PaginatedResult<Ably::Models::Stats>] An Array of Stats # # @return [Ably::Util::SafeDeferrable] # def stats( = {}, &success_callback) async_wrap(success_callback) do rest_client.stats() end end # (see Ably::Realtime::Connection#close) def close(&block) connection.close(&block) end # (see Ably::Realtime::Connection#connect) def connect(&block) connection.connect(&block) end # (see Ably::Rest::Client#request) # @yield [Ably::Models::HttpPaginatedResponse<>] An Array of Stats # # @return [Ably::Util::SafeDeferrable] def request(method, path, params = {}, body = nil, headers = {}, &callback) async_wrap(callback) do rest_client.request(method, path, params, body, headers, async_blocking_operations: true) end end # @!attribute [r] endpoint # @return [URI::Generic] Default Ably Realtime endpoint used for all requests def endpoint endpoint_for_host(custom_realtime_host || [environment, DOMAIN].compact.join('-')) end # (see Ably::Rest::Client#register_encoder) def register_encoder(encoder) rest_client.register_encoder encoder end # (see Ably::Rest::Client#fallback_hosts) def fallback_hosts rest_client.fallback_hosts end # (see Ably::Rest::Client#logger) def logger @logger ||= Ably::Logger.new(self, log_level, rest_client.logger.custom_logger) end # Disable connection recovery, typically used after a connection has been recovered # @return [void] # @api private def disable_automatic_connection_recovery @recover = nil end # @!attribute [r] fallback_endpoint # @return [URI::Generic] Fallback endpoint used to connect to the realtime Ably service. Note, after each connection attempt, a new random {Ably::FALLBACK_HOSTS fallback host} or provided fallback hosts are used # @api private def fallback_endpoint unless defined?(@fallback_endpoints) && @fallback_endpoints @fallback_endpoints = fallback_hosts.shuffle.map { |fallback_host| endpoint_for_host(fallback_host) } @fallback_endpoints << endpoint # Try the original host last if all fallbacks have been used end fallback_endpoint_index = connection.manager.retry_count_for_state(:disconnected) + connection.manager.retry_count_for_state(:suspended) - 1 @fallback_endpoints[fallback_endpoint_index % @fallback_endpoints.count] end private def endpoint_for_host(host) port = if use_tls? custom_tls_port else custom_port end raise ArgumentError, "Custom port must be an Integer or nil" if port && !port.kind_of?(Integer) = { scheme: use_tls? ? 'wss' : 'ws', host: host } .merge!(port: port) if port URI::Generic.build() end end |
#auto_connect ⇒ Boolean (readonly)
When true, as soon as the client library is instantiated it will connect to Ably. If this attribute is false, a connection must be opened explicitly
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# File 'lib/ably/realtime/client.rb', line 57 def auto_connect @auto_connect end |
#channels ⇒ Aby::Realtime::Channels (readonly)
The collection of Ably::Realtime::Channels that have been created
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# File 'lib/ably/realtime/client.rb', line 22 class Client include Ably::Modules::AsyncWrapper extend Forwardable DOMAIN = 'realtime.ably.io' # The collection of {Ably::Realtime::Channel}s that have been created # @return [Aby::Realtime::Channels] attr_reader :channels # (see Ably::Rest::Client#auth) attr_reader :auth # The underlying connection for this client # @return [Aby::Realtime::Connection] attr_reader :connection # The {Ably::Rest::Client REST client} instantiated with the same credentials and configuration that is used for all REST operations such as authentication # @return [Ably::Rest::Client] attr_reader :rest_client # When false the client suppresses messages originating from this connection being echoed back on the same connection. Defaults to true # @return [Boolean] attr_reader :echo_messages # If false, this disables the default behaviour whereby the library queues messages on a connection in the disconnected or connecting states. Defaults to true # @return [Boolean] attr_reader :queue_messages # The custom realtime websocket host that is being used if it was provided with the option `:ws_host` when the {Client} was created # @return [String,Nil] attr_reader :custom_realtime_host # When true, as soon as the client library is instantiated it will connect to Ably. If this attribute is false, a connection must be opened explicitly # @return [Boolean] attr_reader :auto_connect # When a recover option is specified a connection inherits the state of a previous connection that may have existed under a different instance of the Realtime library, please refer to the API documentation for further information on connection state recovery # @return [String,Nil] attr_reader :recover def_delegators :auth, :client_id, :auth_options def_delegators :@rest_client, :encoders def_delegators :@rest_client, :use_tls?, :protocol, :protocol_binary? def_delegators :@rest_client, :environment, :custom_host, :custom_port, :custom_tls_port def_delegators :@rest_client, :log_level # Creates a {Ably::Realtime::Client Realtime Client} and configures the {Ably::Auth} object for the connection. # # @param (see Ably::Rest::Client#initialize) # @option options (see Ably::Rest::Client#initialize) # @option options [Proc] :auth_callback when provided, the Proc will be called with the token params hash as the first argument, whenever a new token is required. # Whilst the proc is called synchronously, it does not block the EventMachine reactor as it is run in a separate thread. # The Proc should return a token string, {Ably::Models::TokenDetails} or JSON equivalent, {Ably::Models::TokenRequest} or JSON equivalent # @option options [Boolean] :queue_messages If false, this disables the default behaviour whereby the library queues messages on a connection in the disconnected or connecting states # @option options [Boolean] :echo_messages If false, prevents messages originating from this connection being echoed back on the same connection # @option options [String] :recover When a recover option is specified a connection inherits the state of a previous connection that may have existed under a different instance of the Realtime library, please refer to the API documentation for further information on connection state recovery # @option options [Boolean] :auto_connect By default as soon as the client library is instantiated it will connect to Ably. You can optionally set this to false and explicitly connect. # # @option options [Integer] :channel_retry_timeout (15 seconds). When a channel becomes SUSPENDED, after this delay in seconds, the channel will automatically attempt to reattach if the connection is CONNECTED # @option options [Integer] :disconnected_retry_timeout (15 seconds). When the connection enters the DISCONNECTED state, after this delay in seconds, if the state is still DISCONNECTED, the client library will attempt to reconnect automatically # @option options [Integer] :suspended_retry_timeout (30 seconds). When the connection enters the SUSPENDED state, after this delay in seconds, if the state is still SUSPENDED, the client library will attempt to reconnect automatically # @option options [Boolean] :disable_websocket_heartbeats WebSocket heartbeats are more efficient than protocol level heartbeats, however they can be disabled for development purposes # # @return [Ably::Realtime::Client] # # @example # # create a new client authenticating with basic auth # client = Ably::Realtime::Client.new('key.id:secret') # # # create a new client and configure a client ID used for presence # client = Ably::Realtime::Client.new(key: 'key.id:secret', client_id: 'john') # def initialize() raise ArgumentError, 'Options Hash is expected' if .nil? = .clone if .kind_of?(String) = if .match(Ably::Auth::API_KEY_REGEX) { key: } else { token: } end end @rest_client = Ably::Rest::Client.new(.merge(realtime_client: self)) @auth = Ably::Realtime::Auth.new(self) @channels = Ably::Realtime::Channels.new(self) @connection = Ably::Realtime::Connection.new(self, ) @echo_messages = rest_client..fetch(:echo_messages, true) == false ? false : true @queue_messages = rest_client..fetch(:queue_messages, true) == false ? false : true @custom_realtime_host = rest_client.[:realtime_host] || rest_client.[:ws_host] @auto_connect = rest_client..fetch(:auto_connect, true) == false ? false : true @recover = rest_client.[:recover] raise ArgumentError, "Recovery key '#{recover}' is invalid" if recover && !recover.match(Connection::RECOVER_REGEX) end # Return a {Ably::Realtime::Channel Realtime Channel} for the given name # # @param (see Ably::Realtime::Channels#get) # @return (see Ably::Realtime::Channels#get) # def channel(name, = {}) channels.get(name, ) end # Retrieve the Ably service time # # @yield [Time] The time as reported by the Ably service # @return [Ably::Util::SafeDeferrable] # def time(&success_callback) async_wrap(success_callback) do rest_client.time end end # Retrieve the stats for the application # # @param (see Ably::Rest::Client#stats) # @option options (see Ably::Rest::Client#stats) # # @yield [Ably::Models::PaginatedResult<Ably::Models::Stats>] An Array of Stats # # @return [Ably::Util::SafeDeferrable] # def stats( = {}, &success_callback) async_wrap(success_callback) do rest_client.stats() end end # (see Ably::Realtime::Connection#close) def close(&block) connection.close(&block) end # (see Ably::Realtime::Connection#connect) def connect(&block) connection.connect(&block) end # (see Ably::Rest::Client#request) # @yield [Ably::Models::HttpPaginatedResponse<>] An Array of Stats # # @return [Ably::Util::SafeDeferrable] def request(method, path, params = {}, body = nil, headers = {}, &callback) async_wrap(callback) do rest_client.request(method, path, params, body, headers, async_blocking_operations: true) end end # @!attribute [r] endpoint # @return [URI::Generic] Default Ably Realtime endpoint used for all requests def endpoint endpoint_for_host(custom_realtime_host || [environment, DOMAIN].compact.join('-')) end # (see Ably::Rest::Client#register_encoder) def register_encoder(encoder) rest_client.register_encoder encoder end # (see Ably::Rest::Client#fallback_hosts) def fallback_hosts rest_client.fallback_hosts end # (see Ably::Rest::Client#logger) def logger @logger ||= Ably::Logger.new(self, log_level, rest_client.logger.custom_logger) end # Disable connection recovery, typically used after a connection has been recovered # @return [void] # @api private def disable_automatic_connection_recovery @recover = nil end # @!attribute [r] fallback_endpoint # @return [URI::Generic] Fallback endpoint used to connect to the realtime Ably service. Note, after each connection attempt, a new random {Ably::FALLBACK_HOSTS fallback host} or provided fallback hosts are used # @api private def fallback_endpoint unless defined?(@fallback_endpoints) && @fallback_endpoints @fallback_endpoints = fallback_hosts.shuffle.map { |fallback_host| endpoint_for_host(fallback_host) } @fallback_endpoints << endpoint # Try the original host last if all fallbacks have been used end fallback_endpoint_index = connection.manager.retry_count_for_state(:disconnected) + connection.manager.retry_count_for_state(:suspended) - 1 @fallback_endpoints[fallback_endpoint_index % @fallback_endpoints.count] end private def endpoint_for_host(host) port = if use_tls? custom_tls_port else custom_port end raise ArgumentError, "Custom port must be an Integer or nil" if port && !port.kind_of?(Integer) = { scheme: use_tls? ? 'wss' : 'ws', host: host } .merge!(port: port) if port URI::Generic.build() end end |
#client_id ⇒ String (readonly)
Returns A client ID, used for identifying this client for presence purposes.
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# File 'lib/ably/realtime/client.rb', line 22 class Client include Ably::Modules::AsyncWrapper extend Forwardable DOMAIN = 'realtime.ably.io' # The collection of {Ably::Realtime::Channel}s that have been created # @return [Aby::Realtime::Channels] attr_reader :channels # (see Ably::Rest::Client#auth) attr_reader :auth # The underlying connection for this client # @return [Aby::Realtime::Connection] attr_reader :connection # The {Ably::Rest::Client REST client} instantiated with the same credentials and configuration that is used for all REST operations such as authentication # @return [Ably::Rest::Client] attr_reader :rest_client # When false the client suppresses messages originating from this connection being echoed back on the same connection. Defaults to true # @return [Boolean] attr_reader :echo_messages # If false, this disables the default behaviour whereby the library queues messages on a connection in the disconnected or connecting states. Defaults to true # @return [Boolean] attr_reader :queue_messages # The custom realtime websocket host that is being used if it was provided with the option `:ws_host` when the {Client} was created # @return [String,Nil] attr_reader :custom_realtime_host # When true, as soon as the client library is instantiated it will connect to Ably. If this attribute is false, a connection must be opened explicitly # @return [Boolean] attr_reader :auto_connect # When a recover option is specified a connection inherits the state of a previous connection that may have existed under a different instance of the Realtime library, please refer to the API documentation for further information on connection state recovery # @return [String,Nil] attr_reader :recover def_delegators :auth, :client_id, :auth_options def_delegators :@rest_client, :encoders def_delegators :@rest_client, :use_tls?, :protocol, :protocol_binary? def_delegators :@rest_client, :environment, :custom_host, :custom_port, :custom_tls_port def_delegators :@rest_client, :log_level # Creates a {Ably::Realtime::Client Realtime Client} and configures the {Ably::Auth} object for the connection. # # @param (see Ably::Rest::Client#initialize) # @option options (see Ably::Rest::Client#initialize) # @option options [Proc] :auth_callback when provided, the Proc will be called with the token params hash as the first argument, whenever a new token is required. # Whilst the proc is called synchronously, it does not block the EventMachine reactor as it is run in a separate thread. # The Proc should return a token string, {Ably::Models::TokenDetails} or JSON equivalent, {Ably::Models::TokenRequest} or JSON equivalent # @option options [Boolean] :queue_messages If false, this disables the default behaviour whereby the library queues messages on a connection in the disconnected or connecting states # @option options [Boolean] :echo_messages If false, prevents messages originating from this connection being echoed back on the same connection # @option options [String] :recover When a recover option is specified a connection inherits the state of a previous connection that may have existed under a different instance of the Realtime library, please refer to the API documentation for further information on connection state recovery # @option options [Boolean] :auto_connect By default as soon as the client library is instantiated it will connect to Ably. You can optionally set this to false and explicitly connect. # # @option options [Integer] :channel_retry_timeout (15 seconds). When a channel becomes SUSPENDED, after this delay in seconds, the channel will automatically attempt to reattach if the connection is CONNECTED # @option options [Integer] :disconnected_retry_timeout (15 seconds). When the connection enters the DISCONNECTED state, after this delay in seconds, if the state is still DISCONNECTED, the client library will attempt to reconnect automatically # @option options [Integer] :suspended_retry_timeout (30 seconds). When the connection enters the SUSPENDED state, after this delay in seconds, if the state is still SUSPENDED, the client library will attempt to reconnect automatically # @option options [Boolean] :disable_websocket_heartbeats WebSocket heartbeats are more efficient than protocol level heartbeats, however they can be disabled for development purposes # # @return [Ably::Realtime::Client] # # @example # # create a new client authenticating with basic auth # client = Ably::Realtime::Client.new('key.id:secret') # # # create a new client and configure a client ID used for presence # client = Ably::Realtime::Client.new(key: 'key.id:secret', client_id: 'john') # def initialize() raise ArgumentError, 'Options Hash is expected' if .nil? = .clone if .kind_of?(String) = if .match(Ably::Auth::API_KEY_REGEX) { key: } else { token: } end end @rest_client = Ably::Rest::Client.new(.merge(realtime_client: self)) @auth = Ably::Realtime::Auth.new(self) @channels = Ably::Realtime::Channels.new(self) @connection = Ably::Realtime::Connection.new(self, ) @echo_messages = rest_client..fetch(:echo_messages, true) == false ? false : true @queue_messages = rest_client..fetch(:queue_messages, true) == false ? false : true @custom_realtime_host = rest_client.[:realtime_host] || rest_client.[:ws_host] @auto_connect = rest_client..fetch(:auto_connect, true) == false ? false : true @recover = rest_client.[:recover] raise ArgumentError, "Recovery key '#{recover}' is invalid" if recover && !recover.match(Connection::RECOVER_REGEX) end # Return a {Ably::Realtime::Channel Realtime Channel} for the given name # # @param (see Ably::Realtime::Channels#get) # @return (see Ably::Realtime::Channels#get) # def channel(name, = {}) channels.get(name, ) end # Retrieve the Ably service time # # @yield [Time] The time as reported by the Ably service # @return [Ably::Util::SafeDeferrable] # def time(&success_callback) async_wrap(success_callback) do rest_client.time end end # Retrieve the stats for the application # # @param (see Ably::Rest::Client#stats) # @option options (see Ably::Rest::Client#stats) # # @yield [Ably::Models::PaginatedResult<Ably::Models::Stats>] An Array of Stats # # @return [Ably::Util::SafeDeferrable] # def stats( = {}, &success_callback) async_wrap(success_callback) do rest_client.stats() end end # (see Ably::Realtime::Connection#close) def close(&block) connection.close(&block) end # (see Ably::Realtime::Connection#connect) def connect(&block) connection.connect(&block) end # (see Ably::Rest::Client#request) # @yield [Ably::Models::HttpPaginatedResponse<>] An Array of Stats # # @return [Ably::Util::SafeDeferrable] def request(method, path, params = {}, body = nil, headers = {}, &callback) async_wrap(callback) do rest_client.request(method, path, params, body, headers, async_blocking_operations: true) end end # @!attribute [r] endpoint # @return [URI::Generic] Default Ably Realtime endpoint used for all requests def endpoint endpoint_for_host(custom_realtime_host || [environment, DOMAIN].compact.join('-')) end # (see Ably::Rest::Client#register_encoder) def register_encoder(encoder) rest_client.register_encoder encoder end # (see Ably::Rest::Client#fallback_hosts) def fallback_hosts rest_client.fallback_hosts end # (see Ably::Rest::Client#logger) def logger @logger ||= Ably::Logger.new(self, log_level, rest_client.logger.custom_logger) end # Disable connection recovery, typically used after a connection has been recovered # @return [void] # @api private def disable_automatic_connection_recovery @recover = nil end # @!attribute [r] fallback_endpoint # @return [URI::Generic] Fallback endpoint used to connect to the realtime Ably service. Note, after each connection attempt, a new random {Ably::FALLBACK_HOSTS fallback host} or provided fallback hosts are used # @api private def fallback_endpoint unless defined?(@fallback_endpoints) && @fallback_endpoints @fallback_endpoints = fallback_hosts.shuffle.map { |fallback_host| endpoint_for_host(fallback_host) } @fallback_endpoints << endpoint # Try the original host last if all fallbacks have been used end fallback_endpoint_index = connection.manager.retry_count_for_state(:disconnected) + connection.manager.retry_count_for_state(:suspended) - 1 @fallback_endpoints[fallback_endpoint_index % @fallback_endpoints.count] end private def endpoint_for_host(host) port = if use_tls? custom_tls_port else custom_port end raise ArgumentError, "Custom port must be an Integer or nil" if port && !port.kind_of?(Integer) = { scheme: use_tls? ? 'wss' : 'ws', host: host } .merge!(port: port) if port URI::Generic.build() end end |
#connection ⇒ Aby::Realtime::Connection (readonly)
The underlying connection for this client
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# File 'lib/ably/realtime/client.rb', line 37 def connection @connection end |
#custom_realtime_host ⇒ String, Nil (readonly)
The custom realtime websocket host that is being used if it was provided with the option ‘:ws_host` when the Ably::Realtime::Client was created
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# File 'lib/ably/realtime/client.rb', line 53 def custom_realtime_host @custom_realtime_host end |
#echo_messages ⇒ Boolean (readonly)
When false the client suppresses messages originating from this connection being echoed back on the same connection. Defaults to true
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# File 'lib/ably/realtime/client.rb', line 45 def @echo_messages end |
#encoders ⇒ Array<Ably::Models::MessageEncoder::Base> (readonly)
This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future.
The registered encoders that are used to encode and decode message payloads
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# File 'lib/ably/realtime/client.rb', line 22 class Client include Ably::Modules::AsyncWrapper extend Forwardable DOMAIN = 'realtime.ably.io' # The collection of {Ably::Realtime::Channel}s that have been created # @return [Aby::Realtime::Channels] attr_reader :channels # (see Ably::Rest::Client#auth) attr_reader :auth # The underlying connection for this client # @return [Aby::Realtime::Connection] attr_reader :connection # The {Ably::Rest::Client REST client} instantiated with the same credentials and configuration that is used for all REST operations such as authentication # @return [Ably::Rest::Client] attr_reader :rest_client # When false the client suppresses messages originating from this connection being echoed back on the same connection. Defaults to true # @return [Boolean] attr_reader :echo_messages # If false, this disables the default behaviour whereby the library queues messages on a connection in the disconnected or connecting states. Defaults to true # @return [Boolean] attr_reader :queue_messages # The custom realtime websocket host that is being used if it was provided with the option `:ws_host` when the {Client} was created # @return [String,Nil] attr_reader :custom_realtime_host # When true, as soon as the client library is instantiated it will connect to Ably. If this attribute is false, a connection must be opened explicitly # @return [Boolean] attr_reader :auto_connect # When a recover option is specified a connection inherits the state of a previous connection that may have existed under a different instance of the Realtime library, please refer to the API documentation for further information on connection state recovery # @return [String,Nil] attr_reader :recover def_delegators :auth, :client_id, :auth_options def_delegators :@rest_client, :encoders def_delegators :@rest_client, :use_tls?, :protocol, :protocol_binary? def_delegators :@rest_client, :environment, :custom_host, :custom_port, :custom_tls_port def_delegators :@rest_client, :log_level # Creates a {Ably::Realtime::Client Realtime Client} and configures the {Ably::Auth} object for the connection. # # @param (see Ably::Rest::Client#initialize) # @option options (see Ably::Rest::Client#initialize) # @option options [Proc] :auth_callback when provided, the Proc will be called with the token params hash as the first argument, whenever a new token is required. # Whilst the proc is called synchronously, it does not block the EventMachine reactor as it is run in a separate thread. # The Proc should return a token string, {Ably::Models::TokenDetails} or JSON equivalent, {Ably::Models::TokenRequest} or JSON equivalent # @option options [Boolean] :queue_messages If false, this disables the default behaviour whereby the library queues messages on a connection in the disconnected or connecting states # @option options [Boolean] :echo_messages If false, prevents messages originating from this connection being echoed back on the same connection # @option options [String] :recover When a recover option is specified a connection inherits the state of a previous connection that may have existed under a different instance of the Realtime library, please refer to the API documentation for further information on connection state recovery # @option options [Boolean] :auto_connect By default as soon as the client library is instantiated it will connect to Ably. You can optionally set this to false and explicitly connect. # # @option options [Integer] :channel_retry_timeout (15 seconds). When a channel becomes SUSPENDED, after this delay in seconds, the channel will automatically attempt to reattach if the connection is CONNECTED # @option options [Integer] :disconnected_retry_timeout (15 seconds). When the connection enters the DISCONNECTED state, after this delay in seconds, if the state is still DISCONNECTED, the client library will attempt to reconnect automatically # @option options [Integer] :suspended_retry_timeout (30 seconds). When the connection enters the SUSPENDED state, after this delay in seconds, if the state is still SUSPENDED, the client library will attempt to reconnect automatically # @option options [Boolean] :disable_websocket_heartbeats WebSocket heartbeats are more efficient than protocol level heartbeats, however they can be disabled for development purposes # # @return [Ably::Realtime::Client] # # @example # # create a new client authenticating with basic auth # client = Ably::Realtime::Client.new('key.id:secret') # # # create a new client and configure a client ID used for presence # client = Ably::Realtime::Client.new(key: 'key.id:secret', client_id: 'john') # def initialize() raise ArgumentError, 'Options Hash is expected' if .nil? = .clone if .kind_of?(String) = if .match(Ably::Auth::API_KEY_REGEX) { key: } else { token: } end end @rest_client = Ably::Rest::Client.new(.merge(realtime_client: self)) @auth = Ably::Realtime::Auth.new(self) @channels = Ably::Realtime::Channels.new(self) @connection = Ably::Realtime::Connection.new(self, ) @echo_messages = rest_client..fetch(:echo_messages, true) == false ? false : true @queue_messages = rest_client..fetch(:queue_messages, true) == false ? false : true @custom_realtime_host = rest_client.[:realtime_host] || rest_client.[:ws_host] @auto_connect = rest_client..fetch(:auto_connect, true) == false ? false : true @recover = rest_client.[:recover] raise ArgumentError, "Recovery key '#{recover}' is invalid" if recover && !recover.match(Connection::RECOVER_REGEX) end # Return a {Ably::Realtime::Channel Realtime Channel} for the given name # # @param (see Ably::Realtime::Channels#get) # @return (see Ably::Realtime::Channels#get) # def channel(name, = {}) channels.get(name, ) end # Retrieve the Ably service time # # @yield [Time] The time as reported by the Ably service # @return [Ably::Util::SafeDeferrable] # def time(&success_callback) async_wrap(success_callback) do rest_client.time end end # Retrieve the stats for the application # # @param (see Ably::Rest::Client#stats) # @option options (see Ably::Rest::Client#stats) # # @yield [Ably::Models::PaginatedResult<Ably::Models::Stats>] An Array of Stats # # @return [Ably::Util::SafeDeferrable] # def stats( = {}, &success_callback) async_wrap(success_callback) do rest_client.stats() end end # (see Ably::Realtime::Connection#close) def close(&block) connection.close(&block) end # (see Ably::Realtime::Connection#connect) def connect(&block) connection.connect(&block) end # (see Ably::Rest::Client#request) # @yield [Ably::Models::HttpPaginatedResponse<>] An Array of Stats # # @return [Ably::Util::SafeDeferrable] def request(method, path, params = {}, body = nil, headers = {}, &callback) async_wrap(callback) do rest_client.request(method, path, params, body, headers, async_blocking_operations: true) end end # @!attribute [r] endpoint # @return [URI::Generic] Default Ably Realtime endpoint used for all requests def endpoint endpoint_for_host(custom_realtime_host || [environment, DOMAIN].compact.join('-')) end # (see Ably::Rest::Client#register_encoder) def register_encoder(encoder) rest_client.register_encoder encoder end # (see Ably::Rest::Client#fallback_hosts) def fallback_hosts rest_client.fallback_hosts end # (see Ably::Rest::Client#logger) def logger @logger ||= Ably::Logger.new(self, log_level, rest_client.logger.custom_logger) end # Disable connection recovery, typically used after a connection has been recovered # @return [void] # @api private def disable_automatic_connection_recovery @recover = nil end # @!attribute [r] fallback_endpoint # @return [URI::Generic] Fallback endpoint used to connect to the realtime Ably service. Note, after each connection attempt, a new random {Ably::FALLBACK_HOSTS fallback host} or provided fallback hosts are used # @api private def fallback_endpoint unless defined?(@fallback_endpoints) && @fallback_endpoints @fallback_endpoints = fallback_hosts.shuffle.map { |fallback_host| endpoint_for_host(fallback_host) } @fallback_endpoints << endpoint # Try the original host last if all fallbacks have been used end fallback_endpoint_index = connection.manager.retry_count_for_state(:disconnected) + connection.manager.retry_count_for_state(:suspended) - 1 @fallback_endpoints[fallback_endpoint_index % @fallback_endpoints.count] end private def endpoint_for_host(host) port = if use_tls? custom_tls_port else custom_port end raise ArgumentError, "Custom port must be an Integer or nil" if port && !port.kind_of?(Integer) = { scheme: use_tls? ? 'wss' : 'ws', host: host } .merge!(port: port) if port URI::Generic.build() end end |
#endpoint ⇒ URI::Generic (readonly)
Returns Default Ably Realtime endpoint used for all requests.
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# File 'lib/ably/realtime/client.rb', line 177 def endpoint endpoint_for_host(custom_realtime_host || [environment, DOMAIN].compact.join('-')) end |
#environment ⇒ String (readonly)
Custom environment to use such as ‘sandbox’ when testing the client library against an alternate Ably environment
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# File 'lib/ably/realtime/client.rb', line 22 class Client include Ably::Modules::AsyncWrapper extend Forwardable DOMAIN = 'realtime.ably.io' # The collection of {Ably::Realtime::Channel}s that have been created # @return [Aby::Realtime::Channels] attr_reader :channels # (see Ably::Rest::Client#auth) attr_reader :auth # The underlying connection for this client # @return [Aby::Realtime::Connection] attr_reader :connection # The {Ably::Rest::Client REST client} instantiated with the same credentials and configuration that is used for all REST operations such as authentication # @return [Ably::Rest::Client] attr_reader :rest_client # When false the client suppresses messages originating from this connection being echoed back on the same connection. Defaults to true # @return [Boolean] attr_reader :echo_messages # If false, this disables the default behaviour whereby the library queues messages on a connection in the disconnected or connecting states. Defaults to true # @return [Boolean] attr_reader :queue_messages # The custom realtime websocket host that is being used if it was provided with the option `:ws_host` when the {Client} was created # @return [String,Nil] attr_reader :custom_realtime_host # When true, as soon as the client library is instantiated it will connect to Ably. If this attribute is false, a connection must be opened explicitly # @return [Boolean] attr_reader :auto_connect # When a recover option is specified a connection inherits the state of a previous connection that may have existed under a different instance of the Realtime library, please refer to the API documentation for further information on connection state recovery # @return [String,Nil] attr_reader :recover def_delegators :auth, :client_id, :auth_options def_delegators :@rest_client, :encoders def_delegators :@rest_client, :use_tls?, :protocol, :protocol_binary? def_delegators :@rest_client, :environment, :custom_host, :custom_port, :custom_tls_port def_delegators :@rest_client, :log_level # Creates a {Ably::Realtime::Client Realtime Client} and configures the {Ably::Auth} object for the connection. # # @param (see Ably::Rest::Client#initialize) # @option options (see Ably::Rest::Client#initialize) # @option options [Proc] :auth_callback when provided, the Proc will be called with the token params hash as the first argument, whenever a new token is required. # Whilst the proc is called synchronously, it does not block the EventMachine reactor as it is run in a separate thread. # The Proc should return a token string, {Ably::Models::TokenDetails} or JSON equivalent, {Ably::Models::TokenRequest} or JSON equivalent # @option options [Boolean] :queue_messages If false, this disables the default behaviour whereby the library queues messages on a connection in the disconnected or connecting states # @option options [Boolean] :echo_messages If false, prevents messages originating from this connection being echoed back on the same connection # @option options [String] :recover When a recover option is specified a connection inherits the state of a previous connection that may have existed under a different instance of the Realtime library, please refer to the API documentation for further information on connection state recovery # @option options [Boolean] :auto_connect By default as soon as the client library is instantiated it will connect to Ably. You can optionally set this to false and explicitly connect. # # @option options [Integer] :channel_retry_timeout (15 seconds). When a channel becomes SUSPENDED, after this delay in seconds, the channel will automatically attempt to reattach if the connection is CONNECTED # @option options [Integer] :disconnected_retry_timeout (15 seconds). When the connection enters the DISCONNECTED state, after this delay in seconds, if the state is still DISCONNECTED, the client library will attempt to reconnect automatically # @option options [Integer] :suspended_retry_timeout (30 seconds). When the connection enters the SUSPENDED state, after this delay in seconds, if the state is still SUSPENDED, the client library will attempt to reconnect automatically # @option options [Boolean] :disable_websocket_heartbeats WebSocket heartbeats are more efficient than protocol level heartbeats, however they can be disabled for development purposes # # @return [Ably::Realtime::Client] # # @example # # create a new client authenticating with basic auth # client = Ably::Realtime::Client.new('key.id:secret') # # # create a new client and configure a client ID used for presence # client = Ably::Realtime::Client.new(key: 'key.id:secret', client_id: 'john') # def initialize() raise ArgumentError, 'Options Hash is expected' if .nil? = .clone if .kind_of?(String) = if .match(Ably::Auth::API_KEY_REGEX) { key: } else { token: } end end @rest_client = Ably::Rest::Client.new(.merge(realtime_client: self)) @auth = Ably::Realtime::Auth.new(self) @channels = Ably::Realtime::Channels.new(self) @connection = Ably::Realtime::Connection.new(self, ) @echo_messages = rest_client..fetch(:echo_messages, true) == false ? false : true @queue_messages = rest_client..fetch(:queue_messages, true) == false ? false : true @custom_realtime_host = rest_client.[:realtime_host] || rest_client.[:ws_host] @auto_connect = rest_client..fetch(:auto_connect, true) == false ? false : true @recover = rest_client.[:recover] raise ArgumentError, "Recovery key '#{recover}' is invalid" if recover && !recover.match(Connection::RECOVER_REGEX) end # Return a {Ably::Realtime::Channel Realtime Channel} for the given name # # @param (see Ably::Realtime::Channels#get) # @return (see Ably::Realtime::Channels#get) # def channel(name, = {}) channels.get(name, ) end # Retrieve the Ably service time # # @yield [Time] The time as reported by the Ably service # @return [Ably::Util::SafeDeferrable] # def time(&success_callback) async_wrap(success_callback) do rest_client.time end end # Retrieve the stats for the application # # @param (see Ably::Rest::Client#stats) # @option options (see Ably::Rest::Client#stats) # # @yield [Ably::Models::PaginatedResult<Ably::Models::Stats>] An Array of Stats # # @return [Ably::Util::SafeDeferrable] # def stats( = {}, &success_callback) async_wrap(success_callback) do rest_client.stats() end end # (see Ably::Realtime::Connection#close) def close(&block) connection.close(&block) end # (see Ably::Realtime::Connection#connect) def connect(&block) connection.connect(&block) end # (see Ably::Rest::Client#request) # @yield [Ably::Models::HttpPaginatedResponse<>] An Array of Stats # # @return [Ably::Util::SafeDeferrable] def request(method, path, params = {}, body = nil, headers = {}, &callback) async_wrap(callback) do rest_client.request(method, path, params, body, headers, async_blocking_operations: true) end end # @!attribute [r] endpoint # @return [URI::Generic] Default Ably Realtime endpoint used for all requests def endpoint endpoint_for_host(custom_realtime_host || [environment, DOMAIN].compact.join('-')) end # (see Ably::Rest::Client#register_encoder) def register_encoder(encoder) rest_client.register_encoder encoder end # (see Ably::Rest::Client#fallback_hosts) def fallback_hosts rest_client.fallback_hosts end # (see Ably::Rest::Client#logger) def logger @logger ||= Ably::Logger.new(self, log_level, rest_client.logger.custom_logger) end # Disable connection recovery, typically used after a connection has been recovered # @return [void] # @api private def disable_automatic_connection_recovery @recover = nil end # @!attribute [r] fallback_endpoint # @return [URI::Generic] Fallback endpoint used to connect to the realtime Ably service. Note, after each connection attempt, a new random {Ably::FALLBACK_HOSTS fallback host} or provided fallback hosts are used # @api private def fallback_endpoint unless defined?(@fallback_endpoints) && @fallback_endpoints @fallback_endpoints = fallback_hosts.shuffle.map { |fallback_host| endpoint_for_host(fallback_host) } @fallback_endpoints << endpoint # Try the original host last if all fallbacks have been used end fallback_endpoint_index = connection.manager.retry_count_for_state(:disconnected) + connection.manager.retry_count_for_state(:suspended) - 1 @fallback_endpoints[fallback_endpoint_index % @fallback_endpoints.count] end private def endpoint_for_host(host) port = if use_tls? custom_tls_port else custom_port end raise ArgumentError, "Custom port must be an Integer or nil" if port && !port.kind_of?(Integer) = { scheme: use_tls? ? 'wss' : 'ws', host: host } .merge!(port: port) if port URI::Generic.build() end end |
#fallback_endpoint ⇒ URI::Generic (readonly)
This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future.
Returns Fallback endpoint used to connect to the realtime Ably service. Note, after each connection attempt, a new random fallback host or provided fallback hosts are used.
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# File 'lib/ably/realtime/client.rb', line 206 def fallback_endpoint unless defined?(@fallback_endpoints) && @fallback_endpoints @fallback_endpoints = fallback_hosts.shuffle.map { |fallback_host| endpoint_for_host(fallback_host) } @fallback_endpoints << endpoint # Try the original host last if all fallbacks have been used end fallback_endpoint_index = connection.manager.retry_count_for_state(:disconnected) + connection.manager.retry_count_for_state(:suspended) - 1 @fallback_endpoints[fallback_endpoint_index % @fallback_endpoints.count] end |
#protocol ⇒ Symbol (readonly)
The protocol configured for this client, either binary ‘:msgpack` or text based `:json`
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# File 'lib/ably/realtime/client.rb', line 22 class Client include Ably::Modules::AsyncWrapper extend Forwardable DOMAIN = 'realtime.ably.io' # The collection of {Ably::Realtime::Channel}s that have been created # @return [Aby::Realtime::Channels] attr_reader :channels # (see Ably::Rest::Client#auth) attr_reader :auth # The underlying connection for this client # @return [Aby::Realtime::Connection] attr_reader :connection # The {Ably::Rest::Client REST client} instantiated with the same credentials and configuration that is used for all REST operations such as authentication # @return [Ably::Rest::Client] attr_reader :rest_client # When false the client suppresses messages originating from this connection being echoed back on the same connection. Defaults to true # @return [Boolean] attr_reader :echo_messages # If false, this disables the default behaviour whereby the library queues messages on a connection in the disconnected or connecting states. Defaults to true # @return [Boolean] attr_reader :queue_messages # The custom realtime websocket host that is being used if it was provided with the option `:ws_host` when the {Client} was created # @return [String,Nil] attr_reader :custom_realtime_host # When true, as soon as the client library is instantiated it will connect to Ably. If this attribute is false, a connection must be opened explicitly # @return [Boolean] attr_reader :auto_connect # When a recover option is specified a connection inherits the state of a previous connection that may have existed under a different instance of the Realtime library, please refer to the API documentation for further information on connection state recovery # @return [String,Nil] attr_reader :recover def_delegators :auth, :client_id, :auth_options def_delegators :@rest_client, :encoders def_delegators :@rest_client, :use_tls?, :protocol, :protocol_binary? def_delegators :@rest_client, :environment, :custom_host, :custom_port, :custom_tls_port def_delegators :@rest_client, :log_level # Creates a {Ably::Realtime::Client Realtime Client} and configures the {Ably::Auth} object for the connection. # # @param (see Ably::Rest::Client#initialize) # @option options (see Ably::Rest::Client#initialize) # @option options [Proc] :auth_callback when provided, the Proc will be called with the token params hash as the first argument, whenever a new token is required. # Whilst the proc is called synchronously, it does not block the EventMachine reactor as it is run in a separate thread. # The Proc should return a token string, {Ably::Models::TokenDetails} or JSON equivalent, {Ably::Models::TokenRequest} or JSON equivalent # @option options [Boolean] :queue_messages If false, this disables the default behaviour whereby the library queues messages on a connection in the disconnected or connecting states # @option options [Boolean] :echo_messages If false, prevents messages originating from this connection being echoed back on the same connection # @option options [String] :recover When a recover option is specified a connection inherits the state of a previous connection that may have existed under a different instance of the Realtime library, please refer to the API documentation for further information on connection state recovery # @option options [Boolean] :auto_connect By default as soon as the client library is instantiated it will connect to Ably. You can optionally set this to false and explicitly connect. # # @option options [Integer] :channel_retry_timeout (15 seconds). When a channel becomes SUSPENDED, after this delay in seconds, the channel will automatically attempt to reattach if the connection is CONNECTED # @option options [Integer] :disconnected_retry_timeout (15 seconds). When the connection enters the DISCONNECTED state, after this delay in seconds, if the state is still DISCONNECTED, the client library will attempt to reconnect automatically # @option options [Integer] :suspended_retry_timeout (30 seconds). When the connection enters the SUSPENDED state, after this delay in seconds, if the state is still SUSPENDED, the client library will attempt to reconnect automatically # @option options [Boolean] :disable_websocket_heartbeats WebSocket heartbeats are more efficient than protocol level heartbeats, however they can be disabled for development purposes # # @return [Ably::Realtime::Client] # # @example # # create a new client authenticating with basic auth # client = Ably::Realtime::Client.new('key.id:secret') # # # create a new client and configure a client ID used for presence # client = Ably::Realtime::Client.new(key: 'key.id:secret', client_id: 'john') # def initialize() raise ArgumentError, 'Options Hash is expected' if .nil? = .clone if .kind_of?(String) = if .match(Ably::Auth::API_KEY_REGEX) { key: } else { token: } end end @rest_client = Ably::Rest::Client.new(.merge(realtime_client: self)) @auth = Ably::Realtime::Auth.new(self) @channels = Ably::Realtime::Channels.new(self) @connection = Ably::Realtime::Connection.new(self, ) @echo_messages = rest_client..fetch(:echo_messages, true) == false ? false : true @queue_messages = rest_client..fetch(:queue_messages, true) == false ? false : true @custom_realtime_host = rest_client.[:realtime_host] || rest_client.[:ws_host] @auto_connect = rest_client..fetch(:auto_connect, true) == false ? false : true @recover = rest_client.[:recover] raise ArgumentError, "Recovery key '#{recover}' is invalid" if recover && !recover.match(Connection::RECOVER_REGEX) end # Return a {Ably::Realtime::Channel Realtime Channel} for the given name # # @param (see Ably::Realtime::Channels#get) # @return (see Ably::Realtime::Channels#get) # def channel(name, = {}) channels.get(name, ) end # Retrieve the Ably service time # # @yield [Time] The time as reported by the Ably service # @return [Ably::Util::SafeDeferrable] # def time(&success_callback) async_wrap(success_callback) do rest_client.time end end # Retrieve the stats for the application # # @param (see Ably::Rest::Client#stats) # @option options (see Ably::Rest::Client#stats) # # @yield [Ably::Models::PaginatedResult<Ably::Models::Stats>] An Array of Stats # # @return [Ably::Util::SafeDeferrable] # def stats( = {}, &success_callback) async_wrap(success_callback) do rest_client.stats() end end # (see Ably::Realtime::Connection#close) def close(&block) connection.close(&block) end # (see Ably::Realtime::Connection#connect) def connect(&block) connection.connect(&block) end # (see Ably::Rest::Client#request) # @yield [Ably::Models::HttpPaginatedResponse<>] An Array of Stats # # @return [Ably::Util::SafeDeferrable] def request(method, path, params = {}, body = nil, headers = {}, &callback) async_wrap(callback) do rest_client.request(method, path, params, body, headers, async_blocking_operations: true) end end # @!attribute [r] endpoint # @return [URI::Generic] Default Ably Realtime endpoint used for all requests def endpoint endpoint_for_host(custom_realtime_host || [environment, DOMAIN].compact.join('-')) end # (see Ably::Rest::Client#register_encoder) def register_encoder(encoder) rest_client.register_encoder encoder end # (see Ably::Rest::Client#fallback_hosts) def fallback_hosts rest_client.fallback_hosts end # (see Ably::Rest::Client#logger) def logger @logger ||= Ably::Logger.new(self, log_level, rest_client.logger.custom_logger) end # Disable connection recovery, typically used after a connection has been recovered # @return [void] # @api private def disable_automatic_connection_recovery @recover = nil end # @!attribute [r] fallback_endpoint # @return [URI::Generic] Fallback endpoint used to connect to the realtime Ably service. Note, after each connection attempt, a new random {Ably::FALLBACK_HOSTS fallback host} or provided fallback hosts are used # @api private def fallback_endpoint unless defined?(@fallback_endpoints) && @fallback_endpoints @fallback_endpoints = fallback_hosts.shuffle.map { |fallback_host| endpoint_for_host(fallback_host) } @fallback_endpoints << endpoint # Try the original host last if all fallbacks have been used end fallback_endpoint_index = connection.manager.retry_count_for_state(:disconnected) + connection.manager.retry_count_for_state(:suspended) - 1 @fallback_endpoints[fallback_endpoint_index % @fallback_endpoints.count] end private def endpoint_for_host(host) port = if use_tls? custom_tls_port else custom_port end raise ArgumentError, "Custom port must be an Integer or nil" if port && !port.kind_of?(Integer) = { scheme: use_tls? ? 'wss' : 'ws', host: host } .merge!(port: port) if port URI::Generic.build() end end |
#protocol_binary? ⇒ Boolean (readonly)
Returns True of the transport #protocol communicates with Ably with a binary protocol.
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# File 'lib/ably/realtime/client.rb', line 22 class Client include Ably::Modules::AsyncWrapper extend Forwardable DOMAIN = 'realtime.ably.io' # The collection of {Ably::Realtime::Channel}s that have been created # @return [Aby::Realtime::Channels] attr_reader :channels # (see Ably::Rest::Client#auth) attr_reader :auth # The underlying connection for this client # @return [Aby::Realtime::Connection] attr_reader :connection # The {Ably::Rest::Client REST client} instantiated with the same credentials and configuration that is used for all REST operations such as authentication # @return [Ably::Rest::Client] attr_reader :rest_client # When false the client suppresses messages originating from this connection being echoed back on the same connection. Defaults to true # @return [Boolean] attr_reader :echo_messages # If false, this disables the default behaviour whereby the library queues messages on a connection in the disconnected or connecting states. Defaults to true # @return [Boolean] attr_reader :queue_messages # The custom realtime websocket host that is being used if it was provided with the option `:ws_host` when the {Client} was created # @return [String,Nil] attr_reader :custom_realtime_host # When true, as soon as the client library is instantiated it will connect to Ably. If this attribute is false, a connection must be opened explicitly # @return [Boolean] attr_reader :auto_connect # When a recover option is specified a connection inherits the state of a previous connection that may have existed under a different instance of the Realtime library, please refer to the API documentation for further information on connection state recovery # @return [String,Nil] attr_reader :recover def_delegators :auth, :client_id, :auth_options def_delegators :@rest_client, :encoders def_delegators :@rest_client, :use_tls?, :protocol, :protocol_binary? def_delegators :@rest_client, :environment, :custom_host, :custom_port, :custom_tls_port def_delegators :@rest_client, :log_level # Creates a {Ably::Realtime::Client Realtime Client} and configures the {Ably::Auth} object for the connection. # # @param (see Ably::Rest::Client#initialize) # @option options (see Ably::Rest::Client#initialize) # @option options [Proc] :auth_callback when provided, the Proc will be called with the token params hash as the first argument, whenever a new token is required. # Whilst the proc is called synchronously, it does not block the EventMachine reactor as it is run in a separate thread. # The Proc should return a token string, {Ably::Models::TokenDetails} or JSON equivalent, {Ably::Models::TokenRequest} or JSON equivalent # @option options [Boolean] :queue_messages If false, this disables the default behaviour whereby the library queues messages on a connection in the disconnected or connecting states # @option options [Boolean] :echo_messages If false, prevents messages originating from this connection being echoed back on the same connection # @option options [String] :recover When a recover option is specified a connection inherits the state of a previous connection that may have existed under a different instance of the Realtime library, please refer to the API documentation for further information on connection state recovery # @option options [Boolean] :auto_connect By default as soon as the client library is instantiated it will connect to Ably. You can optionally set this to false and explicitly connect. # # @option options [Integer] :channel_retry_timeout (15 seconds). When a channel becomes SUSPENDED, after this delay in seconds, the channel will automatically attempt to reattach if the connection is CONNECTED # @option options [Integer] :disconnected_retry_timeout (15 seconds). When the connection enters the DISCONNECTED state, after this delay in seconds, if the state is still DISCONNECTED, the client library will attempt to reconnect automatically # @option options [Integer] :suspended_retry_timeout (30 seconds). When the connection enters the SUSPENDED state, after this delay in seconds, if the state is still SUSPENDED, the client library will attempt to reconnect automatically # @option options [Boolean] :disable_websocket_heartbeats WebSocket heartbeats are more efficient than protocol level heartbeats, however they can be disabled for development purposes # # @return [Ably::Realtime::Client] # # @example # # create a new client authenticating with basic auth # client = Ably::Realtime::Client.new('key.id:secret') # # # create a new client and configure a client ID used for presence # client = Ably::Realtime::Client.new(key: 'key.id:secret', client_id: 'john') # def initialize() raise ArgumentError, 'Options Hash is expected' if .nil? = .clone if .kind_of?(String) = if .match(Ably::Auth::API_KEY_REGEX) { key: } else { token: } end end @rest_client = Ably::Rest::Client.new(.merge(realtime_client: self)) @auth = Ably::Realtime::Auth.new(self) @channels = Ably::Realtime::Channels.new(self) @connection = Ably::Realtime::Connection.new(self, ) @echo_messages = rest_client..fetch(:echo_messages, true) == false ? false : true @queue_messages = rest_client..fetch(:queue_messages, true) == false ? false : true @custom_realtime_host = rest_client.[:realtime_host] || rest_client.[:ws_host] @auto_connect = rest_client..fetch(:auto_connect, true) == false ? false : true @recover = rest_client.[:recover] raise ArgumentError, "Recovery key '#{recover}' is invalid" if recover && !recover.match(Connection::RECOVER_REGEX) end # Return a {Ably::Realtime::Channel Realtime Channel} for the given name # # @param (see Ably::Realtime::Channels#get) # @return (see Ably::Realtime::Channels#get) # def channel(name, = {}) channels.get(name, ) end # Retrieve the Ably service time # # @yield [Time] The time as reported by the Ably service # @return [Ably::Util::SafeDeferrable] # def time(&success_callback) async_wrap(success_callback) do rest_client.time end end # Retrieve the stats for the application # # @param (see Ably::Rest::Client#stats) # @option options (see Ably::Rest::Client#stats) # # @yield [Ably::Models::PaginatedResult<Ably::Models::Stats>] An Array of Stats # # @return [Ably::Util::SafeDeferrable] # def stats( = {}, &success_callback) async_wrap(success_callback) do rest_client.stats() end end # (see Ably::Realtime::Connection#close) def close(&block) connection.close(&block) end # (see Ably::Realtime::Connection#connect) def connect(&block) connection.connect(&block) end # (see Ably::Rest::Client#request) # @yield [Ably::Models::HttpPaginatedResponse<>] An Array of Stats # # @return [Ably::Util::SafeDeferrable] def request(method, path, params = {}, body = nil, headers = {}, &callback) async_wrap(callback) do rest_client.request(method, path, params, body, headers, async_blocking_operations: true) end end # @!attribute [r] endpoint # @return [URI::Generic] Default Ably Realtime endpoint used for all requests def endpoint endpoint_for_host(custom_realtime_host || [environment, DOMAIN].compact.join('-')) end # (see Ably::Rest::Client#register_encoder) def register_encoder(encoder) rest_client.register_encoder encoder end # (see Ably::Rest::Client#fallback_hosts) def fallback_hosts rest_client.fallback_hosts end # (see Ably::Rest::Client#logger) def logger @logger ||= Ably::Logger.new(self, log_level, rest_client.logger.custom_logger) end # Disable connection recovery, typically used after a connection has been recovered # @return [void] # @api private def disable_automatic_connection_recovery @recover = nil end # @!attribute [r] fallback_endpoint # @return [URI::Generic] Fallback endpoint used to connect to the realtime Ably service. Note, after each connection attempt, a new random {Ably::FALLBACK_HOSTS fallback host} or provided fallback hosts are used # @api private def fallback_endpoint unless defined?(@fallback_endpoints) && @fallback_endpoints @fallback_endpoints = fallback_hosts.shuffle.map { |fallback_host| endpoint_for_host(fallback_host) } @fallback_endpoints << endpoint # Try the original host last if all fallbacks have been used end fallback_endpoint_index = connection.manager.retry_count_for_state(:disconnected) + connection.manager.retry_count_for_state(:suspended) - 1 @fallback_endpoints[fallback_endpoint_index % @fallback_endpoints.count] end private def endpoint_for_host(host) port = if use_tls? custom_tls_port else custom_port end raise ArgumentError, "Custom port must be an Integer or nil" if port && !port.kind_of?(Integer) = { scheme: use_tls? ? 'wss' : 'ws', host: host } .merge!(port: port) if port URI::Generic.build() end end |
#queue_messages ⇒ Boolean (readonly)
If false, this disables the default behaviour whereby the library queues messages on a connection in the disconnected or connecting states. Defaults to true
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# File 'lib/ably/realtime/client.rb', line 49 def @queue_messages end |
#recover ⇒ String, Nil (readonly)
When a recover option is specified a connection inherits the state of a previous connection that may have existed under a different instance of the Realtime library, please refer to the API documentation for further information on connection state recovery
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# File 'lib/ably/realtime/client.rb', line 61 def recover @recover end |
#rest_client ⇒ Ably::Rest::Client (readonly)
The REST client instantiated with the same credentials and configuration that is used for all REST operations such as authentication
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# File 'lib/ably/realtime/client.rb', line 41 def rest_client @rest_client end |
Instance Method Details
#channel(name, channel_options = {}) ⇒ Ably::Realtime::Channel
Return a Realtime Channel for the given name
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# File 'lib/ably/realtime/client.rb', line 125 def channel(name, = {}) channels.get(name, ) end |
#close { ... } ⇒ EventMachine::Deferrable
Causes the connection to close, entering the closed state, from any state except the failed state. Once closed, the library will not attempt to re-establish the connection without a call to Ably::Realtime::Connection#connect.
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# File 'lib/ably/realtime/client.rb', line 156 def close(&block) connection.close(&block) end |
#connect { ... } ⇒ EventMachine::Deferrable
Causes the library to attempt connection. If it was previously explicitly closed by the user, or was closed as a result of an unrecoverable error, a new connection will be opened. Succeeds when connection is established i.e. state is @Connected@ Fails when state becomes either @Closing@, @Closed@ or @Failed@
Note that if the connection remains in the disconnected ans suspended states indefinitely, the Deferrable or block provided may never be called
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# File 'lib/ably/realtime/client.rb', line 161 def connect(&block) connection.connect(&block) end |
#disable_automatic_connection_recovery ⇒ void
This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future.
This method returns an undefined value.
Disable connection recovery, typically used after a connection has been recovered
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# File 'lib/ably/realtime/client.rb', line 199 def disable_automatic_connection_recovery @recover = nil end |
#fallback_hosts ⇒ Object
The list of fallback hosts to be used by this client if empty or nil then fallback host functionality is disabled
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# File 'lib/ably/realtime/client.rb', line 187 def fallback_hosts rest_client.fallback_hosts end |
#logger ⇒ Logger
Returns The Logger for this client. Configure the log_level with the ‘:log_level` option, refer to #initialize.
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# File 'lib/ably/realtime/client.rb', line 192 def logger @logger ||= Ably::Logger.new(self, log_level, rest_client.logger.custom_logger) end |
#register_encoder(encoder) ⇒ void
This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future.
Encoders and decoders are processed in the order they are added so the first encoder will be given priority when encoding and decoding
This method returns an undefined value.
Register a message encoder and decoder that implements Ably::Models::MessageEncoders::Base interface. Message encoders are used to encode and decode message payloads automatically.
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# File 'lib/ably/realtime/client.rb', line 182 def register_encoder(encoder) rest_client.register_encoder encoder end |
#request(method, path, params = {}, body = nil, headers = {}) {|Ably::Models::HttpPaginatedResponse<>| ... } ⇒ Ably::Models::HttpPaginatedResponse<>, Ably::Util::SafeDeferrable
Perform an HTTP request to the Ably API This is a convenience for customers who wish to use bleeding edge REST API functionality that is either not documented or is not included in the API for our client libraries. The REST client library provides a function to issue HTTP requests to the Ably endpoints with all the built in functionality of the library such as authentication, paging, fallback hosts, MsgPack and JSON support etc.
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# File 'lib/ably/realtime/client.rb', line 169 def request(method, path, params = {}, body = nil, headers = {}, &callback) async_wrap(callback) do rest_client.request(method, path, params, body, headers, async_blocking_operations: true) end end |
#stats(options = {}) {|Ably::Models::PaginatedResult<Ably::Models::Stats>| ... } ⇒ Ably::Util::SafeDeferrable
Retrieve the stats for the application
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# File 'lib/ably/realtime/client.rb', line 149 def stats( = {}, &success_callback) async_wrap(success_callback) do rest_client.stats() end end |
#time {|Time| ... } ⇒ Ably::Util::SafeDeferrable
Retrieve the Ably service time
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# File 'lib/ably/realtime/client.rb', line 134 def time(&success_callback) async_wrap(success_callback) do rest_client.time end end |