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, #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


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# File 'lib/http/client.rb', line 21

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

Instance Method Details

#closeObject


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# File 'lib/http/client.rb', line 82

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

#perform(req, options) ⇒ Object

Perform a single (no follow) HTTP request


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# File 'lib/http/client.rb', line 51

def perform(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

#persistent?Boolean

Returns whenever client is persistent


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# File 'lib/http/client.rb', line 48

def_delegator :default_options, :persistent?

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

Make an HTTP request


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# File 'lib/http/client.rb', line 28

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