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cli	[ DIR ]	drwxr-xr-x
compact_index_client	[ DIR ]	drwxr-xr-x
fetcher	[ DIR ]	drwxr-xr-x
installer	[ DIR ]	drwxr-xr-x
plugin	[ DIR ]	drwxr-xr-x
resolver	[ DIR ]	drwxr-xr-x
settings	[ DIR ]	drwxr-xr-x
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templates	[ DIR ]	drwxr-xr-x
ui	[ DIR ]	drwxr-xr-x
vendor	[ DIR ]	drwxr-xr-x
build_metadata.rb	1.57 KB	-rw-r--r--
capistrano.rb	883 B	-rw-r--r--
cli.rb	36.43 KB	-rw-r--r--
compact_index_client.rb	3.58 KB	-rw-r--r--
constants.rb	212 B	-rw-r--r--
current_ruby.rb	2.12 KB	-rw-r--r--
definition.rb	36.72 KB	-rw-r--r--
dep_proxy.rb	827 B	-rw-r--r--
dependency.rb	4.84 KB	-rw-r--r--
deployment.rb	3.19 KB	-rw-r--r--
deprecate.rb	876 B	-rw-r--r--
dsl.rb	20.43 KB	-rw-r--r--
endpoint_specification.rb	3.91 KB	-rw-r--r--
env.rb	5.01 KB	-rw-r--r--
environment_preserver.rb	1.28 KB	-rw-r--r--
errors.rb	4.59 KB	-rw-r--r--
feature_flag.rb	2.45 KB	-rw-r--r--
fetcher.rb	11.1 KB	-rw-r--r--
friendly_errors.rb	4.36 KB	-rw-r--r--
gem_helper.rb	6.26 KB	-rw-r--r--
gem_helpers.rb	3.19 KB	-rw-r--r--
gem_remote_fetcher.rb	1.46 KB	-rw-r--r--
gem_tasks.rb	138 B	-rw-r--r--
gem_version_promoter.rb	6.51 KB	-rw-r--r--
gemdeps.rb	423 B	-rw-r--r--
graph.rb	4.99 KB	-rw-r--r--
index.rb	5.24 KB	-rw-r--r--
injector.rb	8.76 KB	-rw-r--r--
inline.rb	2.76 KB	-rw-r--r--
installer.rb	11.6 KB	-rw-r--r--
lazy_specification.rb	3.61 KB	-rw-r--r--
lockfile_generator.rb	2.18 KB	-rw-r--r--
lockfile_parser.rb	8.27 KB	-rw-r--r--
match_platform.rb	660 B	-rw-r--r--
mirror.rb	5.82 KB	-rw-r--r--
plugin.rb	9.62 KB	-rw-r--r--
process_lock.rb	702 B	-rw-r--r--
psyched_yaml.rb	854 B	-rw-r--r--
remote_specification.rb	3.44 KB	-rw-r--r--
resolver.rb	16.04 KB	-rw-r--r--
retry.rb	1.61 KB	-rw-r--r--
ruby_dsl.rb	761 B	-rw-r--r--
ruby_version.rb	4.45 KB	-rw-r--r--
rubygems_ext.rb	4.14 KB	-rw-r--r--
rubygems_gem_installer.rb	3.49 KB	-rw-r--r--
rubygems_integration.rb	18.04 KB	-rw-r--r--
runtime.rb	10.67 KB	-rw-r--r--
settings.rb	11.39 KB	-rw-r--r--
setup.rb	802 B	-rw-r--r--
shared_helpers.rb	11.26 KB	-rw-r--r--
similarity_detector.rb	1.84 KB	-rw-r--r--
source.rb	2.75 KB	-rw-r--r--
source_list.rb	5.52 KB	-rw-r--r--
spec_set.rb	5.28 KB	-rw-r--r--
stub_specification.rb	2.27 KB	-rw-r--r--
ui.rb	255 B	-rw-r--r--
uri_credentials_filter.rb	1.24 KB	-rw-r--r--
vendored_fileutils.rb	101 B	-rw-r--r--
vendored_molinillo.rb	101 B	-rw-r--r--
vendored_persistent.rb	1.67 KB	-rw-r--r--
vendored_thor.rb	180 B	-rw-r--r--
vendored_uri.rb	89 B	-rw-r--r--
version.rb	179 B	-rw-r--r--
version_ranges.rb	3.8 KB	-rw-r--r--
vlad.rb	468 B	-rw-r--r--
worker.rb	2.59 KB	-rw-r--r--
yaml_serializer.rb	2.36 KB	-rw-r--r--

Code Editor : mirror.rb

# frozen_string_literal: true

require "socket"

module Bundler
  class Settings
    # Class used to build the mirror set and then find a mirror for a given URI
    #
    # @param prober [Prober object, nil] by default a TCPSocketProbe, this object
    #   will be used to probe the mirror address to validate that the mirror replies.
    class Mirrors
      def initialize(prober = nil)
        @all = Mirror.new
        @prober = prober || TCPSocketProbe.new
        @mirrors = {}
      end

# Returns a mirror for the given uri.
      #
      # Depending on the uri having a valid mirror or not, it may be a
      #   mirror that points to the provided uri
      def for(uri)
        if @all.validate!(@prober).valid?
          @all
        else
          fetch_valid_mirror_for(Settings.normalize_uri(uri))
        end
      end

def each
        @mirrors.each do |k, v|
          yield k, v.uri.to_s
        end
      end

def parse(key, value)
        config = MirrorConfig.new(key, value)
        mirror = if config.all?
          @all
        else
          @mirrors[config.uri] ||= Mirror.new
        end
        config.update_mirror(mirror)
      end

private

def fetch_valid_mirror_for(uri)
        downcased = uri.to_s.downcase
        mirror = @mirrors[downcased] || @mirrors[Bundler::URI(downcased).host] || Mirror.new(uri)
        mirror.validate!(@prober)
        mirror = Mirror.new(uri) unless mirror.valid?
        mirror
      end
    end

# A mirror
    #
    # Contains both the uri that should be used as a mirror and the
    #   fallback timeout which will be used for probing if the mirror
    #   replies on time or not.
    class Mirror
      DEFAULT_FALLBACK_TIMEOUT = 0.1

attr_reader :uri, :fallback_timeout

def initialize(uri = nil, fallback_timeout = 0)
        self.uri = uri
        self.fallback_timeout = fallback_timeout
        @valid = nil
      end

def uri=(uri)
        @uri = if uri.nil?
          nil
        else
          Bundler::URI(uri.to_s)
        end
        @valid = nil
      end

def fallback_timeout=(timeout)
        case timeout
        when true, "true"
          @fallback_timeout = DEFAULT_FALLBACK_TIMEOUT
        when false, "false"
          @fallback_timeout = 0
        else
          @fallback_timeout = timeout.to_i
        end
        @valid = nil
      end

def ==(other)
        !other.nil? && uri == other.uri && fallback_timeout == other.fallback_timeout
      end

def valid?
        return false if @uri.nil?
        return @valid unless @valid.nil?
        false
      end

def validate!(probe = nil)
        @valid = false if uri.nil?
        if @valid.nil?
          @valid = fallback_timeout == 0 || (probe || TCPSocketProbe.new).replies?(self)
        end
        self
      end
    end

# Class used to parse one configuration line
    #
    # Gets the configuration line and the value.
    #   This object provides a `update_mirror` method
    #   used to setup the given mirror value.
    class MirrorConfig
      attr_accessor :uri, :value

def initialize(config_line, value)
        uri, fallback =
          config_line.match(%r{\Amirror\.(all|.+?)(\.fallback_timeout)?\/?\z}).captures
        @fallback = !fallback.nil?
        @all = false
        if uri == "all"
          @all = true
        else
          @uri = Bundler::URI(uri).absolute? ? Settings.normalize_uri(uri) : uri
        end
        @value = value
      end

def all?
        @all
      end

def update_mirror(mirror)
        if @fallback
          mirror.fallback_timeout = @value
        else
          mirror.uri = Settings.normalize_uri(@value)
        end
      end
    end

# Class used for probing TCP availability for a given mirror.
    class TCPSocketProbe
      def replies?(mirror)
        MirrorSockets.new(mirror).any? do |socket, address, timeout|
          begin
            socket.connect_nonblock(address)
          rescue Errno::EINPROGRESS
            wait_for_writtable_socket(socket, address, timeout)
          rescue RuntimeError # Connection failed somehow, again
            false
          end
        end
      end

private

def wait_for_writtable_socket(socket, address, timeout)
        if IO.select(nil, [socket], nil, timeout)
          probe_writtable_socket(socket, address)
        else # TCP Handshake timed out, or there is something dropping packets
          false
        end
      end

def probe_writtable_socket(socket, address)
        socket.connect_nonblock(address)
      rescue Errno::EISCONN
        true
      rescue StandardError # Connection failed
        false
      end
    end
  end

# Class used to build the list of sockets that correspond to
  #   a given mirror.
  #
  # One mirror may correspond to many different addresses, both
  #   because of it having many dns entries or because
  #   the network interface is both ipv4 and ipv5
  class MirrorSockets
    def initialize(mirror)
      @timeout = mirror.fallback_timeout
      @addresses = Socket.getaddrinfo(mirror.uri.host, mirror.uri.port).map do |address|
        SocketAddress.new(address[0], address[3], address[1])
      end
    end

def any?
      @addresses.any? do |address|
        socket = Socket.new(Socket.const_get(address.type), Socket::SOCK_STREAM, 0)
        socket.setsockopt(Socket::IPPROTO_TCP, Socket::TCP_NODELAY, 1)
        value = yield socket, address.to_socket_address, @timeout
        socket.close unless socket.closed?
        value
      end
    end
  end

# Socket address builder.
  #
  # Given a socket type, a host and a port,
  #   provides a method to build sockaddr string
  class SocketAddress
    attr_reader :type, :host, :port

def initialize(type, host, port)
      @type = type
      @host = host
      @port = port
    end

def to_socket_address
      Socket.pack_sockaddr_in(@port, @host)
    end
  end
end

${this.title}

Code Editor : mirror.rb