.rubocop.yml

@@ -118,9 +118,6 @@ Style/HashSyntax:
 Style/AndOr:
   Enabled: False
 
-Style/ArgumentsForwarding:
-  Enabled: False
-
 Naming/MethodParameterName:
   Enabled: false
 

lib/httpx/callbacks.rb

@@ -4,7 +4,6 @@ module HTTPX
   module Callbacks
     def on(type, &action)
       callbacks(type) << action
-      self
     end
 
     def once(type, &block)
@@ -12,7 +11,6 @@ module HTTPX
         block.call(*args, &callback)
         :delete
       end
-      self
     end
 
     def only(type, &block)

lib/httpx/chainable.rb

@@ -10,19 +10,6 @@ module HTTPX
       MOD
     end
 
-    %i[
-      connection_opened connection_closed
-      request_error
-      request_started request_body_chunk request_completed
-      response_started response_body_chunk response_completed
-    ].each do |meth|
-      class_eval(<<-MOD, __FILE__, __LINE__ + 1)
-        def on_#{meth}(&blk)   # def on_connection_opened(&blk)
-          on(:#{meth}, &blk)   #   on(:connection_opened, &blk)
-        end                    # end
-      MOD
-    end
-
     def request(*args, **options)
       branch(default_options).request(*args, **options)
     end
@@ -69,12 +56,6 @@ module HTTPX
       branch(default_options.merge(options), &blk)
     end
 
-    protected
-
-    def on(*args, &blk)
-      branch(default_options).on(*args, &blk)
-    end
-
     private
 
     def default_options

lib/httpx/connection/http1.rb

@@ -133,42 +133,33 @@ module HTTPX
     end
 
     def on_data(chunk)
-      request = @request
-
-      return unless request
+      return unless @request
 
       log(color: :green) { "-> DATA: #{chunk.bytesize} bytes..." }
       log(level: 2, color: :green) { "-> #{chunk.inspect}" }
-      response = request.response
+      response = @request.response
 
       response << chunk
-    rescue StandardError => e
-      error_response = ErrorResponse.new(request, e, request.options)
-      request.response = error_response
-      dispatch
     end
 
     def on_complete
-      request = @request
-
-      return unless request
+      return unless @request
 
       log(level: 2) { "parsing complete" }
       dispatch
     end
 
     def dispatch
-      request = @request
-
-      if request.expects?
+      if @request.expects?
         @parser.reset!
-        return handle(request)
+        return handle(@request)
       end
 
+      request = @request
       @request = nil
       @requests.shift
       response = request.response
-      response.finish! unless response.is_a?(ErrorResponse)
+      response.finish!
       emit(:response, request, response)
 
       if @parser.upgrade?
@@ -178,11 +169,7 @@ module HTTPX
 
       @parser.reset!
       @max_requests -= 1
-      if response.is_a?(ErrorResponse)
-        disable
-      else
-        manage_connection(response)
-      end
+      manage_connection(response)
 
       send(@pending.shift) unless @pending.empty?
     end

lib/httpx/connection/http2.rb

@@ -314,7 +314,6 @@ module HTTPX
         ex = Error.new(stream.id, error)
         ex.set_backtrace(caller)
         response = ErrorResponse.new(request, ex, request.options)
-        request.response = response
         emit(:response, request, response)
       else
         response = request.response

lib/httpx/io/tcp.rb

@@ -38,10 +38,7 @@ module HTTPX
         add_addresses(addresses)
       end
       @ip_index = @addresses.size - 1
-    end
-
-    def socket
-      @io.to_io
+      # @io ||= build_socket
     end
 
     def add_addresses(addrs)

lib/httpx/plugins/proxy.rb

@@ -170,7 +170,11 @@ module HTTPX
           proxy = options.proxy
           return super unless proxy
 
-          init_connection("tcp", uri, options)
+          connection = options.connection_class.new("tcp", uri, options)
+          catch(:coalesced) do
+            pool.init_connection(connection, options)
+            connection
+          end
         end
 
         def fetch_response(request, connections, options)

lib/httpx/request.rb

@@ -95,8 +95,6 @@ module HTTPX
         return
       end
       @response = response
-
-      emit(:response_started, response)
     end
 
     def path
@@ -132,10 +130,8 @@ module HTTPX
       return nil if @body.nil?
 
       @drainer ||= @body.each
-      chunk = @drainer.next.dup
-
-      emit(:body_chunk, chunk)
-      chunk
+      chunk = @drainer.next
+      chunk.dup
     rescue StopIteration
       nil
     rescue StandardError => e

lib/httpx/response.rb

@@ -9,7 +9,6 @@ require "forwardable"
 module HTTPX
   class Response
     extend Forwardable
-    include Callbacks
 
     attr_reader :status, :headers, :body, :version
 
@@ -145,13 +144,9 @@ module HTTPX
       def write(chunk)
         return if @state == :closed
 
-        size = chunk.bytesize
-        @length += size
+        @length += chunk.bytesize
         transition
         @buffer.write(chunk)
-
-        @response.emit(:chunk_received, chunk)
-        size
       end
 
       def read(*args)

lib/httpx/session.rb

@@ -4,7 +4,6 @@ module HTTPX
   class Session
     include Loggable
     include Chainable
-    include Callbacks
 
     EMPTY_HASH = {}.freeze
 
@@ -46,31 +45,6 @@ module HTTPX
       request = rklass.new(verb, uri, options.merge(persistent: @persistent))
       request.on(:response, &method(:on_response).curry(2)[request])
       request.on(:promise, &method(:on_promise))
-
-      request.on(:headers) do
-        emit(:request_started, request)
-      end
-      request.on(:body_chunk) do |chunk|
-        emit(:request_body_chunk, request, chunk)
-      end
-      request.on(:done) do
-        emit(:request_completed, request)
-      end
-
-      request.on(:response_started) do |res|
-        if res.is_a?(Response)
-          emit(:response_started, request, res)
-          res.on(:chunk_received) do |chunk|
-            emit(:response_body_chunk, request, res, chunk)
-          end
-        else
-          emit(:request_error, request, res.error)
-        end
-      end
-      request.on(:response) do |res|
-        emit(:response_completed, request, res)
-      end
-
       request
     end
 
@@ -200,16 +174,7 @@ module HTTPX
           raise UnsupportedSchemeError, "#{uri}: #{uri.scheme}: unsupported URI scheme"
         end
       end
-      init_connection(type, uri, options)
-    end
-
-    def init_connection(type, uri, options)
       connection = options.connection_class.new(type, uri, options)
-      connection.on(:open) do
-        emit(:connection_opened, connection.origin, connection.io.socket)
-        # only run close callback if it opened
-        connection.on(:close) { emit(:connection_closed, connection.origin, connection.io.socket) }
-      end
       catch(:coalesced) do
         pool.init_connection(connection, options)
         connection
@@ -287,7 +252,6 @@ module HTTPX
         super
         klass.instance_variable_set(:@default_options, @default_options)
         klass.instance_variable_set(:@plugins, @plugins.dup)
-        klass.instance_variable_set(:@callbacks, @callbacks.dup)
       end
 
       def plugin(pl, options = nil, &block)

sig/callbacks.rbs

@@ -4,9 +4,9 @@ module HTTPX
   end
 
   module Callbacks
-    def on: (Symbol) { (*untyped) -> void } -> self
-    def once: (Symbol) { (*untyped) -> void } -> self
-    def only: (Symbol) { (*untyped) -> void } -> self
+    def on: (Symbol) { (*untyped) -> void } -> void
+    def once: (Symbol) { (*untyped) -> void } -> void
+    def only: (Symbol) { (*untyped) -> void } -> void
     def emit: (Symbol, *untyped) -> void
 
     def callbacks_for?: (Symbol) -> bool

sig/response.rbs

@@ -9,7 +9,6 @@ module HTTPX
 
   class Response
     extend Forwardable
-    include Callbacks
 
     include _Response
     include _ToS

sig/session.rbs

@@ -27,9 +27,9 @@ module HTTPX
     def on_promise: (untyped, untyped) -> void
     def fetch_response: (Request request, Array[Connection] connections, untyped options) -> response?
 
-    def find_connection: (Request request, Array[Connection] connections, Options options) -> Connection
+    def find_connection: (Request, Array[Connection] connections, Options options) -> Connection
 
-    def set_connection_callbacks: (Connection connection, Array[Connection] connections, Options options) -> void
+    def set_connection_callbacks: (Connection, Array[Connection], Options) -> void
 
     def build_altsvc_connection: (Connection existing_connection, Array[Connection] connections, URI::Generic alt_origin, String origin, Hash[String, String] alt_params, Options options) -> Connection?
 
@@ -39,15 +39,13 @@ module HTTPX
                       | (verb, _Each[[uri, options]], Options) -> Array[Request]
                       | (verb, _Each[uri], options) -> Array[Request]
 
-    def build_connection: (URI::HTTP | URI::HTTP uri, Options options) -> Connection
-
-    def init_connection: (String type, URI::HTTP | URI::HTTP uri, Options options) -> Connection
+    def build_connection: (URI::HTTP | URI::HTTPS uri, Options options) -> Connection
 
     def send_requests: (*Request) -> Array[response]
 
-    def _send_requests: (Array[Request] requests) -> Array[Connection]
+    def _send_requests: (Array[Request]) -> Array[Connection]
 
-    def receive_requests: (Array[Request] requests, Array[Connection] connections) -> Array[response]
+    def receive_requests: (Array[Request], Array[Connection]) -> Array[response]
 
     attr_reader self.default_options: Options
   end

test/http_test.rb

@@ -13,7 +13,6 @@ class HTTPTest < Minitest::Test
   include Headers
   include ResponseBody
   include IO
-  include Callbacks
   include Errors if RUBY_ENGINE == "ruby"
   include AltSvc if ENV.key?("HTTPBIN_ALTSVC_HOST")
 

test/https_test.rb

@@ -11,7 +11,6 @@ class HTTPSTest < Minitest::Test
   include Headers
   include ResponseBody
   include IO
-  include Callbacks
   include Errors if RUBY_ENGINE == "ruby"
   include Resolvers if ENV.key?("HTTPX_RESOLVER_URI")
   # TODO: uncomment as soon as nghttpx supports altsvc for HTTP/2

test/support/http_helpers.rb

@@ -29,11 +29,4 @@ module HTTPHelpers
   def origin(orig = httpbin)
     "#{scheme}#{orig}"
   end
-
-  def next_available_port
-    server = TCPServer.new("localhost", 0)
-    server.addr[1]
-  ensure
-    server.close
-  end
 end

test/support/requests/callbacks.rb

@@ -1,92 +0,0 @@
-# frozen_string_literal: true
-
-require "resolv"
-
-module Requests
-  using HTTPX::URIExtensions
-  module Callbacks
-    def test_callbacks_connection_opened
-      uri = URI(build_uri("/get"))
-      origin = ip = nil
-
-      response = HTTPX.on_connection_opened do |o, sock|
-        origin = o
-        ip = sock.remote_address.ip_address
-      end.get(uri)
-      verify_status(response, 200)
-
-      assert !origin.nil?
-      assert origin.to_s == uri.origin
-      assert !ip.nil?
-
-      assert Resolv.getaddresses(uri.host).include?(ip)
-    end
-
-    def test_callbacks_connection_closed
-      uri = URI(build_uri("/get"))
-      origin = nil
-
-      response = HTTPX.on_connection_closed do |o|
-        origin = o
-      end.get(uri)
-      verify_status(response, 200)
-
-      assert !origin.nil?
-      assert origin.to_s == uri.origin
-    end
-
-    def test_callbacks_request_error
-      uri = URI(build_uri("/get"))
-      error = nil
-
-      http = HTTPX.on_request_error { |_, err| error = err }
-
-      response = http.get(uri)
-      verify_status(response, 200)
-
-      assert error.nil?
-
-      unavailable_host = URI(origin("localhost"))
-      unavailable_host.port = next_available_port
-      response = http.get(unavailable_host.to_s)
-      verify_error_response(response, /Connection refused| not available/)
-
-      assert !error.nil?
-      assert error == response.error
-    end
-
-    def test_callbacks_request
-      uri = URI(build_uri("/post"))
-      started = completed = false
-      chunks = 0
-
-      http = HTTPX.on_request_started { |_| started = true }
-                  .on_request_body_chunk { |_, _chunk| chunks += 1 }
-                  .on_request_completed { |_| completed = true }
-
-      response = http.post(uri, body: "data")
-      verify_status(response, 200)
-
-      assert started
-      assert completed
-      assert chunks.positive?
-    end
-
-    def test_callbacks_response
-      uri = URI(build_uri("/get"))
-      started = completed = false
-      chunks = 0
-
-      http = HTTPX.on_response_started { |_, _| started = true }
-                  .on_response_body_chunk { |_, _, _chunk| chunks += 1 }
-                  .on_response_completed { |_, _| completed = true }
-
-      response = http.get(uri)
-      verify_status(response, 200)
-
-      assert started
-      assert completed
-      assert chunks.positive?
-    end
-  end
-end

test/support/requests/errors.rb

@@ -41,21 +41,13 @@ module Requests
     #   end
     # end
 
-    ResponseErrorEmitter = Module.new do
-      self::ResponseMethods = Module.new do
-        def <<(_)
-          raise "done with it"
-        end
-      end
-    end
+    private
 
-    def test_errors_mid_response_buffering
-      uri = URI(build_uri("/get"))
-      HTTPX.plugin(SessionWithPool).plugin(ResponseErrorEmitter).wrap do |http|
-        response = http.get(uri)
-        verify_error_response(response, "done with it")
-        assert http.pool.connections.empty?
-      end
+    def next_available_port
+      server = TCPServer.new("localhost", 0)
+      server.addr[1]
+    ensure
+      server.close
     end
   end
 end