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# Phusion Passenger - https://www.phusionpassenger.com/
# Copyright (c) 2010-2013 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 self.supported?
return !defined?(RUBY_ENGINE) || RUBY_ENGINE == "ruby" || RUBY_ENGINE == "rbx"
end
def try_load
if defined?(NativeSupport)
return true
else
load_from_native_support_output_dir ||
load_from_buildout_dir ||
load_from_load_path ||
load_from_home_dir
end
end
def start
if try_load
return true
elsif download_binary_and_load || compile_and_load
STDERR.puts " --> #{library_name} successfully loaded."
return true
else
STDERR.puts " --> Continuing without #{library_name}."
return false
end
end
private
def archdir
@archdir ||= begin
PhusionPassenger.require_passenger_lib 'platform_info/binary_compatibility'
PlatformInfo.ruby_extension_binary_compatibility_id
end
end
def libext
@libext ||= begin
PhusionPassenger.require_passenger_lib '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(PhusionPassenger.ruby_extension_source_dir, "extconf.rb")
end
def load_from_native_support_output_dir
# Quick workaround for people suffering from
# https://code.google.com/p/phusion-passenger/issues/detail?id=865
output_dir = ENV['PASSENGER_NATIVE_SUPPORT_OUTPUT_DIR']
if output_dir && !output_dir.empty?
begin
return load_native_extension("#{output_dir}/#{VERSION_STRING}/#{archdir}/#{library_name}")
rescue LoadError
return false
end
else
return false
end
end
def load_from_buildout_dir
if PhusionPassenger.buildout_dir
begin
return load_native_extension("#{PhusionPassenger.buildout_dir}/ruby/#{archdir}/#{library_name}")
rescue LoadError
return false
end
else
return false
end
end
def load_from_load_path
return load_native_extension('passenger_native_support')
rescue LoadError
return false
end
def load_from_home_dir
begin
return load_native_extension("#{home}/#{USER_NAMESPACE_DIRNAME}/native_support/#{VERSION_STRING}/#{archdir}/#{library_name}")
rescue LoadError
return false
end
end
def download_binary_and_load
if !PhusionPassenger.installed_from_release_package?
return
end
if ENV['PASSENGER_DOWNLOAD_NATIVE_SUPPORT_BINARY'] == '0'
STDERR.puts " --> Skipping downloading of precompiled #{library_name}"
return
end
STDERR.puts " --> Downloading precompiled #{library_name} for the current Ruby interpreter..."
STDERR.puts " (set PASSENGER_DOWNLOAD_NATIVE_SUPPORT_BINARY=0 to disable)"
require 'shellwords'
require 'logger'
PhusionPassenger.require_passenger_lib 'platform_info/ruby'
PhusionPassenger.require_passenger_lib 'utils/tmpio'
PhusionPassenger.require_passenger_lib 'utils/download'
PhusionPassenger::Utils.mktmpdir("passenger-native-support-") do |dir|
Dir.chdir(dir) do
basename = "rubyext-#{archdir}.tar.gz"
if !download(basename, dir)
return false
end
s_basename = Shellwords.escape(basename)
sh "tar xzf #{s_basename}"
sh "rm -f #{s_basename}"
STDERR.puts " Checking whether downloaded binary is usable..."
File.open("test.rb", "w") do |f|
f.puts(%Q{
require File.expand_path('passenger_native_support')
f = File.open("test.txt", "w")
PhusionPassenger::NativeSupport.writev(f.fileno, ["hello", "\n"])
})
end
if sh_nonfatal("#{PlatformInfo.ruby_command} -I. test.rb") &&
File.exist?("test.txt") &&
File.read("test.txt") == "hello\n"
STDERR.puts " Binary is usable."
File.unlink("test.rb")
File.unlink("test.txt")
result = try_directories(installation_target_dirs) do |target_dir|
files = Dir["#{dir}/*"]
STDERR.puts " Installing " + files.map{ |n| File.basename(n) }.join(' ')
FileUtils.cp(files, target_dir)
load_result = load_native_extension("#{target_dir}/#{library_name}")
[load_result, false]
end
return result
else
STDERR.puts " Binary is not usable."
return false
end
end
end
end
def compile_and_load
if ENV['PASSENGER_COMPILE_NATIVE_SUPPORT_BINARY'] == '0'
STDERR.puts " --> Skipping compiling of #{library_name}"
return false
end
if PhusionPassenger.natively_packaged? && !File.exist?(PhusionPassenger.ruby_extension_source_dir)
PhusionPassenger.require_passenger_lib 'constants'
STDERR.puts " --> No #{library_name} found for current Ruby interpreter."
case PhusionPassenger.native_packaging_method
when 'deb'
STDERR.puts " This library provides various optimized routines that make"
STDERR.puts " #{PhusionPassenger::PROGRAM_NAME} faster. Please run 'sudo apt-get install #{PhusionPassenger::DEB_DEV_PACKAGE}'"
STDERR.puts " so that #{PhusionPassenger::PROGRAM_NAME} can compile one on the next run."
when 'rpm'
STDERR.puts " This library provides various optimized routines that make"
STDERR.puts " #{PhusionPassenger::PROGRAM_NAME} faster. Please run 'sudo yum install #{PhusionPassenger::RPM_DEV_PACKAGE}-#{PhusionPassenger::VERSION_STRING}'"
STDERR.puts " so that #{PhusionPassenger::PROGRAM_NAME} can compile one on the next run."
else
STDERR.puts " #{PhusionPassenger::PROGRAM_NAME} can compile one, but an extra package must be installed"
STDERR.puts " first. Please ask your operating system vendor for instructions."
end
return false
end
STDERR.puts " --> Compiling #{library_name} for the current Ruby interpreter..."
STDERR.puts " (set PASSENGER_COMPILE_NATIVE_SUPPORT_BINARY=0 to disable)"
STDERR.puts " -------------------------------"
require 'fileutils'
require 'shellwords'
PhusionPassenger.require_passenger_lib 'platform_info/ruby'
target_dir = compile(installation_target_dirs)
if target_dir
return load_native_extension("#{target_dir}/#{library_name}")
else
return false
end
end
def installation_target_dirs
target_dirs = []
if (output_dir = ENV['PASSENGER_NATIVE_SUPPORT_OUTPUT_DIR']) && !output_dir.empty?
target_dirs << "#{output_dir}/#{VERSION_STRING}/#{archdir}"
end
if PhusionPassenger.buildout_dir
target_dirs << "#{PhusionPassenger.buildout_dir}/ruby/#{archdir}"
end
target_dirs << "#{home}/#{USER_NAMESPACE_DIRNAME}/native_support/#{VERSION_STRING}/#{archdir}"
return target_dirs
end
def download(name, output_dir)
url = "#{PhusionPassenger::BINARIES_URL_ROOT}/#{PhusionPassenger::VERSION_STRING}/#{name}"
filename = "#{output_dir}/#{name}"
logger = Logger.new(STDERR)
logger.level = Logger::WARN
logger.formatter = proc { |severity, datetime, progname, msg| " #{msg}\n" }
return PhusionPassenger::Utils::Download.download(url, filename,
:cacert => PhusionPassenger.binaries_ca_cert_path,
:use_cache => true,
:logger => logger)
end
def mkdir(dir)
begin
STDERR.puts " # mkdir -p #{dir}"
FileUtils.mkdir_p(dir)
rescue Errno::EEXIST
end
end
def sh(command_string)
if !sh_nonfatal(command_string)
raise "Could not compile #{library_name} (\"#{command_string}\" failed)"
end
end
def sh_nonfatal(command_string)
STDERR.puts " # #{command_string}"
PhusionPassenger::Utils.mktmpdir("passenger-native-support-") do |tmpdir|
s_tmpdir = Shellwords.escape(tmpdir)
result = system("#{command_string} >#{s_tmpdir}/log 2>&1")
system("cat #{s_tmpdir}/log | sed 's/^/ /'")
return result
end
end
def compile(target_dirs)
try_directories(target_dirs) do |target_dir|
result =
sh_nonfatal("#{PlatformInfo.ruby_command} #{Shellwords.escape extconf_rb}") &&
sh_nonfatal("make clean && make")
if result
STDERR.puts " Compilation succesful."
[target_dir, false]
else
STDERR.puts " Compilation failed."
[nil, false]
end
end
end
def try_directories(dirs)
result = nil
dirs.each_with_index do |dir, i|
begin
mkdir(dir)
File.open("#{dir}/.permission_test", "w").close
File.unlink("#{dir}/.permission_test")
STDERR.puts " # cd #{dir}"
Dir.chdir(dir) do
result, should_retry = yield(dir)
return result if !should_retry
end
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 == dirs.size - 1
STDERR.puts " Encountered permission error, " +
"but no more directories to try. Giving up."
STDERR.puts " -------------------------------"
return nil
else
STDERR.puts " Encountered permission error, " +
"trying a different directory..."
STDERR.puts " -------------------------------"
end
rescue Errno::ENOTDIR
# This can occur when locations.ini set buildout_dir
# to an invalid path. Just ignore this error.
if i == dirs.size - 1
STDERR.puts " Not a valid directory, " +
"but no more directories to try. Giving up."
STDERR.puts " -------------------------------"
return nil
else
STDERR.puts " Not a valid directory. Trying a different one..."
STDERR.puts " -------------------------------"
end
end
end
end
def load_native_extension(name_or_filename)
# If passenger_native_support.so exited because it detected that it was compiled
# for a different Ruby version, then subsequent require("passenger_native_support")
# calls will do nothing. So we remove passenger_native_support from $LOADED_FEATURES
# to force it to be loaded.
$LOADED_FEATURES.reject! { |fn| File.basename(fn) == library_name }
begin
require(name_or_filename)
return defined?(PhusionPassenger::NativeSupport)
rescue LoadError => e
if e.to_s =~ /dlopen/
# Print dlopen failures. We're not interested in any other
# kinds of failures, such as file-not-found.
puts e.to_s.gsub(/^/, " ")
end
return false
end
end
end
end # module PhusionPassenger
if PhusionPassenger::NativeSupportLoader.supported?
PhusionPassenger::NativeSupportLoader.new.start
end
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