Class: Faye::Server
- Inherits:
-
Object
- Object
- Faye::Server
- Includes:
- Extensible, Logging
- Defined in:
- lib/faye/protocol/server.rb
Constant Summary
Constants included from Logging
Logging::DEFAULT_LOG_LEVEL, Logging::LOG_LEVELS
Instance Attribute Summary
Attributes included from Logging
Instance Method Summary collapse
- #advize(response) ⇒ Object
-
#connect(message, local = false, &callback) ⇒ Object
MUST contain * clientId * connectionType MAY contain * ext * id.
-
#disconnect(message, local = false, &callback) ⇒ Object
MUST contain * clientId MAY contain * ext * id.
- #flush_connection(messages) ⇒ Object
- #handle(message, local = false, &callback) ⇒ Object
- #handle_meta(message, local, &callback) ⇒ Object
-
#handshake(message, local = false, &callback) ⇒ Object
MUST contain * version * supportedConnectionTypes MAY contain * minimumVersion * ext * id.
-
#initialize(options = {}) ⇒ Server
constructor
A new instance of Server.
- #make_response(message) ⇒ Object
- #process(messages, local = false, &callback) ⇒ Object
-
#subscribe(message, local = false, &callback) ⇒ Object
MUST contain * clientId * subscription MAY contain * ext * id.
-
#unsubscribe(message, local = false, &callback) ⇒ Object
MUST contain * clientId * subscription MAY contain * ext * id.
Methods included from Extensible
#add_extension, #pipe_through_extensions, #remove_extension
Methods included from Logging
Constructor Details
#initialize(options = {}) ⇒ Server
Returns a new instance of Server.
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# File 'lib/faye/protocol/server.rb', line 7 def initialize( = {}) @options = || {} engine_opts = @options[:engine] || {} engine_opts[:timeout] = @options[:timeout] @engine = Faye::Engine.get(engine_opts) info 'Created new server: ?', @options end |
Instance Method Details
#advize(response) ⇒ Object
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# File 'lib/faye/protocol/server.rb', line 100 def advize(response) return unless [Channel::HANDSHAKE, Channel::CONNECT].include?(response['channel']) advice = response['advice'] ||= {} if response['error'] advice['reconnect'] ||= 'handshake' else advice['reconnect'] ||= 'retry' advice['interval'] ||= (@engine.interval * 1000).floor advice['timeout'] ||= (@engine.timeout * 1000).floor end end |
#connect(message, local = false, &callback) ⇒ Object
MUST contain * clientId
* connectionType
MAY contain * ext
* id
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# File 'lib/faye/protocol/server.rb', line 150 def connect(, local = false, &callback) response = make_response() client_id = ['clientId'] connection_type = ['connectionType'] @engine.client_exists(client_id) do |exists| response['error'] = Error.client_unknown(client_id) unless exists response['error'] = Error.parameter_missing('clientId') if client_id.nil? unless CONNECTION_TYPES.include?(connection_type) response['error'] = Error.conntype_mismatch(connection_type) end response['error'] = Error.parameter_missing('connectionType') if connection_type.nil? response['successful'] = response['error'].nil? if response['successful'] @engine.connect(response['clientId'], ['advice']) do |events| callback.call([response] + events) end else response.delete('clientId') callback.call(response) end end end |
#disconnect(message, local = false, &callback) ⇒ Object
MUST contain * clientId MAY contain * ext
* id
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# File 'lib/faye/protocol/server.rb', line 181 def disconnect(, local = false, &callback) response = make_response() client_id = ['clientId'] @engine.client_exists(client_id) do |exists| response['error'] = Error.client_unknown(client_id) unless exists response['error'] = Error.parameter_missing('clientId') if client_id.nil? response['successful'] = response['error'].nil? response.delete('clientId') unless response['successful'] @engine.destroy_client(client_id) if response['successful'] callback.call(response) end end |
#flush_connection(messages) ⇒ Object
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# File 'lib/faye/protocol/server.rb', line 16 def flush_connection() [].flatten.each do || client_id = ["clientId"] info 'Flushing connection for ?', client_id @engine.flush(client_id) if client_id end end |
#handle(message, local = false, &callback) ⇒ Object
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# File 'lib/faye/protocol/server.rb', line 71 def handle(, local = false, &callback) return callback.call([]) if ! info 'Handling message: ? (local: ?)', , local channel_name = ['channel'] return (, local, &callback) if Channel.(channel_name) @engine.publish() unless ['error'] or Grammar::CHANNEL_NAME !~ channel_name if ['clientId'] response = make_response() response['successful'] = !response['error'] callback.call([response]) else callback.call([]) end end |
#handle_meta(message, local, &callback) ⇒ Object
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# File 'lib/faye/protocol/server.rb', line 90 def (, local, &callback) method = Channel.parse(['channel'])[1] __send__(method, , local) do |responses| responses = [responses].flatten responses.each(&method(:advize)) callback.call(responses) end end |
#handshake(message, local = false, &callback) ⇒ Object
MUST contain * version
* supportedConnectionTypes
MAY contain * minimumVersion
* ext
* id
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# File 'lib/faye/protocol/server.rb', line 118 def handshake(, local = false, &callback) response = make_response() response['version'] = BAYEUX_VERSION response['error'] = Error.parameter_missing('version') if ['version'].nil? client_conns = ['supportedConnectionTypes'] unless local response['supportedConnectionTypes'] = CONNECTION_TYPES if client_conns common_conns = client_conns.select { |c| CONNECTION_TYPES.include?(c) } response['error'] = Error.conntype_mismatch(*client_conns) if common_conns.empty? else response['error'] = Error.parameter_missing('supportedConnectionTypes') end end response['successful'] = response['error'].nil? return callback.call(response) unless response['successful'] @engine.create_client do |client_id| response['clientId'] = client_id callback.call(response) end end |
#make_response(message) ⇒ Object
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# File 'lib/faye/protocol/server.rb', line 60 def make_response() response = {} %w[id clientId channel error].each do |field| if [field] response[field] = [field] end end response['successful'] = !response['error'] response end |
#process(messages, local = false, &callback) ⇒ Object
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# File 'lib/faye/protocol/server.rb', line 24 def process(, local = false, &callback) = [].flatten info 'Processing messages: ? (local: ?)', , local return callback.call([]) if .size == 0 processed, responses = 0, [] gather_replies = lambda do |replies| responses.concat(replies) processed += 1 responses.compact! info 'Returning replies: ?', responses callback.call(responses) if processed == .size end handle_reply = lambda do |replies| extended, expected = 0, replies.size gather_replies.call(replies) if expected == 0 replies.each_with_index do |reply, i| debug 'Processing reply: ?', reply pipe_through_extensions(:outgoing, reply) do || replies[i] = extended += 1 gather_replies.call(replies) if extended == expected end end end .each do || pipe_through_extensions(:incoming, ) do || handle(, local, &handle_reply) end end end |
#subscribe(message, local = false, &callback) ⇒ Object
MUST contain * clientId
* subscription
MAY contain * ext
* id
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# File 'lib/faye/protocol/server.rb', line 201 def subscribe(, local = false, &callback) response = make_response() client_id = ['clientId'] subscription = [['subscription']].flatten @engine.client_exists(client_id) do |exists| response['error'] = Error.client_unknown(client_id) unless exists response['error'] = Error.parameter_missing('clientId') if client_id.nil? response['error'] = Error.parameter_missing('subscription') if ['subscription'].nil? response['subscription'] = ['subscription'] || [] subscription.each do |channel| next if response['error'] response['error'] = Error.channel_forbidden(channel) unless local or Channel.subscribable?(channel) response['error'] = Error.channel_invalid(channel) unless Channel.valid?(channel) next if response['error'] @engine.subscribe(client_id, channel) end response['successful'] = response['error'].nil? callback.call(response) end end |
#unsubscribe(message, local = false, &callback) ⇒ Object
MUST contain * clientId
* subscription
MAY contain * ext
* id
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# File 'lib/faye/protocol/server.rb', line 231 def unsubscribe(, local = false, &callback) response = make_response() client_id = ['clientId'] subscription = [['subscription']].flatten @engine.client_exists(client_id) do |exists| response['error'] = Error.client_unknown(client_id) unless exists response['error'] = Error.parameter_missing('clientId') if client_id.nil? response['error'] = Error.parameter_missing('subscription') if ['subscription'].nil? response['subscription'] = ['subscription'] || [] subscription.each do |channel| next if response['error'] response['error'] = Error.channel_forbidden(channel) unless local or Channel.subscribable?(channel) response['error'] = Error.channel_invalid(channel) unless Channel.valid?(channel) next if response['error'] @engine.unsubscribe(client_id, channel) end response['successful'] = response['error'].nil? callback.call(response) end end |