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|
# Phusion Passenger - http://www.modrails.com/
# Copyright (c) 2010 Phusion
#
# "Phusion Passenger" is a trademark of Hongli Lai & Ninh Bui.
#
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the "Software"), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included in
# all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
# THE SOFTWARE.
module PhusionPassenger
class NativeSupportLoader
def supported?
return !defined?(RUBY_ENGINE) || RUBY_ENGINE == "ruby" || RUBY_ENGINE == "rbx"
end
def start
require 'phusion_passenger'
load_from_source_dir ||
load_from_load_path ||
load_from_home ||
compile_and_load
end
private
def archdir
@archdir ||= begin
require 'phusion_passenger/platform_info/binary_compatibility'
PlatformInfo.ruby_extension_binary_compatibility_ids.join("-")
end
end
def libext
@libext ||= begin
require 'phusion_passenger/platform_info/operating_system'
PlatformInfo.library_extension
end
end
def home
@home ||= begin
require 'etc' if !defined?(Etc)
home = Etc.getpwuid(Process.uid).dir
end
end
def library_name
return "passenger_native_support.#{libext}"
end
def extconf_rb
File.join(SOURCE_ROOT, "ext", "ruby", "extconf.rb")
end
def load_from_source_dir
if defined?(NATIVE_SUPPORT_DIR)
begin
require "#{NATIVE_SUPPORT_DIR}/#{archdir}/#{library_name}"
return true
rescue LoadError
return false
end
else
return false
end
end
def load_from_load_path
require 'passenger_native_support'
return true
rescue LoadError
return false
end
def load_from_home
begin
require "#{home}/#{LOCAL_DIR}/native_support/#{VERSION_STRING}/#{archdir}/#{library_name}"
return true
rescue LoadError
return false
end
end
def compile_and_load
STDERR.puts "*** Phusion Passenger: no #{library_name} found for " +
"the current Ruby interpreter. Compiling one..."
require 'fileutils'
require 'phusion_passenger/platform_info/ruby'
target_dirs = []
if defined?(NATIVE_SUPPORT_DIR)
target_dirs << "#{NATIVE_SUPPORT_DIR}/#{archdir}"
end
target_dirs << "#{home}/#{LOCAL_DIR}/native_support/#{VERSION_STRING}/#{archdir}"
target_dir = compile(target_dirs)
require "#{target_dir}/#{library_name}"
end
def mkdir(dir)
begin
STDERR.puts "# mkdir -p #{dir}"
FileUtils.mkdir_p(dir)
rescue Errno::EEXIST
end
end
def sh(*args)
command_string = args.join(' ')
STDERR.puts "# #{command_string}"
if !system(*args)
raise "Could not compile #{library_name} ('#{command_string}' failed)"
end
end
def compile(target_dirs)
result = nil
target_dirs.each_with_index do |target_dir, i|
begin
mkdir(target_dir)
File.open("#{target_dir}/.permission_test", "w").close
File.unlink("#{target_dir}/.permission_test")
STDERR.puts "# cd #{target_dir}"
Dir.chdir(target_dir) do
sh("#{PlatformInfo.ruby_command} '#{extconf_rb}'")
sh("make")
end
result = target_dir
break
rescue Errno::EACCES
# If we encountered a permission error, then try
# the next target directory. If we get a permission
# error on the last one too then propagate the
# exception.
if i == target_dirs.size - 1
raise
else
STDERR.puts "Encountered permission error, " +
"trying a different directory..."
STDERR.puts "-------------------------------"
end
end
end
return result
end
end
end
loader = PhusionPassenger::NativeSupportLoader.new
loader.start if loader.supported?
|
