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# Copyright 2011-2013 Amazon.com, Inc. or its affiliates. All Rights Reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License"). You
# may not use this file except in compliance with the License. A copy of
# the License is located at
#
# http://aws.amazon.com/apache2.0/
#
# or in the "license" file accompanying this file. This file is
# distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF
# ANY KIND, either express or implied. See the License for the specific
# language governing permissions and limitations under the License.
require 'net/http'
require 'net/https'
require 'thread'
require 'logger'
module AWS
module Core
module Http
def self.patch_net_http_100_continue!
if RUBY_VERSION >= '2.0'
Net::HTTP.send(:include, Expect100Continue20)
elsif RUBY_VERSION >= '1.9.3'
Net::HTTP.send(:include, Expect100Continue19)
else
msg = "Expect 100-continue not supported in Ruby < 1.9.3"
raise NotImplementedError, msg
end
Net::HTTP.send(:alias_method, :old_transport_request, :transport_request)
Net::HTTP.send(:alias_method, :transport_request, :new_transport_request)
end
# @api private
module Expect100Continue19
def new_transport_request(req)
begin_transport req
res = catch(:response) {
req.exec @socket, @curr_http_version, edit_path(req.path)
begin
res = Net::HTTPResponse.read_new(@socket)
end while res.kind_of?(Net::HTTPContinue)
res
}
res.reading_body(@socket, req.response_body_permitted?) {
yield res if block_given?
}
end_transport req, res
res
rescue => exception
D "Conn close because of error #{exception}"
@socket.close if @socket and not @socket.closed?
raise exception
end
end
# @api private
module Expect100Continue20
def new_transport_request(req)
count = 0
begin
begin_transport req
res = catch(:response) {
req.exec @socket, @curr_http_version, edit_path(req.path)
begin
res = Net::HTTPResponse.read_new(@socket)
res.decode_content = req.decode_content
end while res.kind_of?(Net::HTTPContinue)
res.uri = req.uri
res
}
res.reading_body(@socket, req.response_body_permitted?) {
yield res if block_given?
}
rescue Net::OpenTimeout
raise
rescue Net::ReadTimeout, IOError, EOFError,
Errno::ECONNRESET, Errno::ECONNABORTED, Errno::EPIPE,
# avoid a dependency on OpenSSL
defined?(OpenSSL::SSL) ? OpenSSL::SSL::SSLError : IOError,
Timeout::Error => exception
if count == 0 && IDEMPOTENT_METHODS_.include?(req.method)
count += 1
@socket.close if @socket and not @socket.closed?
D "Conn close because of error #{exception}, and retry"
retry
end
D "Conn close because of error #{exception}"
@socket.close if @socket and not @socket.closed?
raise
end
end
end
end
end
end
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