Class: HTTP::Client

Inherits:
Object
  • Object
show all
Extended by:
Forwardable
Includes:
Chainable
Defined in:
lib/http/client.rb

Overview

Clients make requests and receive responses

Constant Summary collapse

KEEP_ALIVE = 
"Keep-Alive".freeze
CLOSE = 
"close".freeze
HTTP_OR_HTTPS_RE = 
%r{^https?://}i

Instance Method Summary collapse

Methods included from Chainable

#accept, #auth, #basic_auth, #cache, #connect, #cookies, #default_headers, #default_headers=, #default_options, #default_options=, #delete, #follow, #get, #head, #headers, #options, #patch, #persistent, #post, #put, #timeout, #trace, #via

Constructor Details

#initialize(default_options = {}) ⇒ Client 



24
25
26
27
28
 
# File 'lib/http/client.rb', line 24

def initialize(default_options = {})
  @default_options = HTTP::Options.new(default_options)
  @connection = nil
  @state = :clean
end

Instance Method Details

#close ⇒ Object 



91
92
93
94
95
 
# File 'lib/http/client.rb', line 91

def close
  @connection.close if @connection
  @connection = nil
  @state = :clean
end

#make_request(req, options) ⇒ Object 



60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
 
# File 'lib/http/client.rb', line 60

def make_request(req, options)
  verify_connection!(req.uri)

  @state = :dirty

  @connection ||= HTTP::Connection.new(req, options)

  unless @connection.failed_proxy_connect?
    @connection.send_request(req)
    @connection.read_headers!
  end

  res = Response.new(
    @connection.status_code,
    @connection.http_version,
    @connection.headers,
    Response::Body.new(@connection),
    req.uri
  )

  @connection.finish_response if req.verb == :head
  @state = :clean

  res
rescue
  # On any exception we reset the conn. This is a safety measure, to ensure
  # we don't have conns in a bad state resulting in mixed requests/responses
  close if persistent?
  raise
end

#perform(req, options) ⇒ Object

Perform a single (no follow) HTTP request



49
50
51
52
53
 
# File 'lib/http/client.rb', line 49

def perform(req, options)
  options.cache.perform(req, options) do |r, opts|
    make_request(r, opts)
  end
end

#persistent? ⇒ Boolean

Returns whenever client is persistent.

See Also:



58
 
# File 'lib/http/client.rb', line 58

def_delegator :default_options, :persistent?

#request(verb, uri, opts = {}) ⇒ Object

Make an HTTP request



31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
 
# File 'lib/http/client.rb', line 31

def request(verb, uri, opts = {})
  opts    = @default_options.merge(opts)
  uri     = make_request_uri(uri, opts)
  headers = make_request_headers(opts)
  body    = make_request_body(opts, headers)
  proxy   = opts.proxy

  req = HTTP::Request.new(verb, uri, headers, proxy, body)
  res = perform req, opts

  return res unless opts.follow

  Redirector.new(opts.follow).perform req, res do |request|
    perform request, opts
  end
end