class HTTPX::TCP

  1. lib/httpx/io/tcp.rb
Superclass: Object

Included modules

  1. Loggable

Attributes

addresses [R]
host [R]
interests [R]
ip [R]
port [R]
state [R]

Public Class methods

new(origin, addresses, options)
[show source] 
   # File lib/httpx/io/tcp.rb
16 def initialize(origin, addresses, options)
17   @state = :idle
18   @addresses = []
19   @hostname = origin.host
20   @options = options
21   @fallback_protocol = @options.fallback_protocol
22   @port = origin.port
23   @interests = :w
24   if @options.io
25     @io = case @options.io
26           when Hash
27             @options.io[origin.authority]
28           else
29             @options.io
30     end
31     raise Error, "Given IO objects do not match the request authority" unless @io
32 
33     _, _, _, @ip = @io.addr
34     @addresses << @ip
35     @keep_open = true
36     @state = :connected
37   else
38     add_addresses(addresses)
39   end
40   @ip_index = @addresses.size - 1
41 end

Public Instance methods

add_addresses(addrs)
[show source] 
   # File lib/httpx/io/tcp.rb
47 def add_addresses(addrs)
48   return if addrs.empty?
49 
50   addrs = addrs.map { |addr| addr.is_a?(IPAddr) ? addr : IPAddr.new(addr) }
51 
52   ip_index = @ip_index || (@addresses.size - 1)
53   if addrs.first.ipv6?
54     # should be the next in line
55     @addresses = [*@addresses[0, ip_index], *addrs, *@addresses[ip_index..-1]]
56   else
57     @addresses.unshift(*addrs)
58     @ip_index += addrs.size if @ip_index
59   end
60 end
close()
[show source] 
    # File lib/httpx/io/tcp.rb
139 def close
140   return if @keep_open || closed?
141 
142   begin
143     @io.close
144   ensure
145     transition(:closed)
146   end
147 end
closed?()
[show source] 
    # File lib/httpx/io/tcp.rb
153 def closed?
154   @state == :idle || @state == :closed
155 end
connect()
[show source] 
   # File lib/httpx/io/tcp.rb
70 def connect
71   return unless closed?
72 
73   if !@io || @io.closed?
74     transition(:idle)
75     @io = build_socket
76   end
77   try_connect
78 rescue Errno::ECONNREFUSED,
79        Errno::EADDRNOTAVAIL,
80        Errno::EHOSTUNREACH,
81        SocketError,
82        IOError => e
83   raise e if @ip_index <= 0
84 
85   log { "failed connecting to #{@ip} (#{e.message}), trying next..." }
86   @ip_index -= 1
87   @io = build_socket
88   retry
89 rescue Errno::ETIMEDOUT => e
90   raise ConnectTimeoutError.new(@options.timeout[:connect_timeout], e.message) if @ip_index <= 0
91 
92   log { "failed connecting to #{@ip} (#{e.message}), trying next..." }
93   @ip_index -= 1
94   @io = build_socket
95   retry
96 end
connected?()
[show source] 
    # File lib/httpx/io/tcp.rb
149 def connected?
150   @state == :connected
151 end
expired?()
[show source] 
    # File lib/httpx/io/tcp.rb
157 def expired?
158   # do not mess with external sockets
159   return false if @options.io
160 
161   return true unless @addresses
162 
163   resolver_addresses = Resolver.nolookup_resolve(@hostname)
164 
165   (Array(resolver_addresses) & @addresses).empty?
166 end
inspect()

:nocov:

[show source] 
    # File lib/httpx/io/tcp.rb
169 def inspect
170   "#<#{self.class}: #{@ip}:#{@port} (state: #{@state})>"
171 end
protocol()
[show source] 
   # File lib/httpx/io/tcp.rb
66 def protocol
67   @fallback_protocol
68 end
read(size, buffer)
[show source] 
    # File lib/httpx/io/tcp.rb
116 def read(size, buffer)
117   ret = @io.read_nonblock(size, buffer, exception: false)
118   if ret == :wait_readable
119     buffer.clear
120     return 0
121   end
122   return if ret.nil?
123 
124   log { "READ: #{buffer.bytesize} bytes..." }
125   buffer.bytesize
126 end
socket()
[show source] 
   # File lib/httpx/io/tcp.rb
43 def socket
44   @io
45 end
to_io()
[show source] 
   # File lib/httpx/io/tcp.rb
62 def to_io
63   @io.to_io
64 end
write(buffer)
[show source] 
    # File lib/httpx/io/tcp.rb
128 def write(buffer)
129   siz = @io.write_nonblock(buffer, exception: false)
130   return 0 if siz == :wait_writable
131   return if siz.nil?
132 
133   log { "WRITE: #{siz} bytes..." }
134 
135   buffer.shift!(siz)
136   siz
137 end