diff options
author | David RodrÃguez <deivid.rodriguez@riseup.net> | 2021-02-01 16:17:16 +0100 |
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committer | Hiroshi SHIBATA <hsbt@ruby-lang.org> | 2021-03-08 13:47:35 +0900 |
commit | 53468cc11147b0d285fc376fc546b677dad600ca (patch) | |
tree | eb9c97f544d089be2d324126b025b11f41a22c90 /lib/rubygems/core_ext | |
parent | 2ab6b7a7516e1b2c48a66ce513afabb62d101461 (diff) |
Sync latest development version of bundler & rubygems
Notes
Notes:
Merged: https://github.com/ruby/ruby/pull/4143
Diffstat (limited to 'lib/rubygems/core_ext')
-rw-r--r-- | lib/rubygems/core_ext/tcpsocket_init.rb | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/lib/rubygems/core_ext/tcpsocket_init.rb b/lib/rubygems/core_ext/tcpsocket_init.rb new file mode 100644 index 0000000000..3d9740c579 --- /dev/null +++ b/lib/rubygems/core_ext/tcpsocket_init.rb @@ -0,0 +1,52 @@ +require 'socket' + +module CoreExtensions + module TCPSocketExt + def self.prepended(base) + base.prepend Initializer + end + + module Initializer + CONNECTION_TIMEOUT = 5 + IPV4_DELAY_SECONDS = 0.1 + + def initialize(host, serv, *rest) + mutex = Mutex.new + addrs = [] + threads = [] + cond_var = ConditionVariable.new + + Addrinfo.foreach(host, serv, nil, :STREAM) do |addr| + Thread.report_on_exception = false if defined? Thread.report_on_exception = () + + threads << Thread.new(addr) do + # give head start to ipv6 addresses + sleep IPV4_DELAY_SECONDS if addr.ipv4? + + # raises Errno::ECONNREFUSED when ip:port is unreachable + Socket.tcp(addr.ip_address, serv, connect_timeout: CONNECTION_TIMEOUT).close + mutex.synchronize do + addrs << addr.ip_address + cond_var.signal + end + end + end + + mutex.synchronize do + timeout_time = CONNECTION_TIMEOUT + Time.now.to_f + while addrs.empty? && (remaining_time = timeout_time - Time.now.to_f) > 0 + cond_var.wait(mutex, remaining_time) + end + + host = addrs.shift unless addrs.empty? + end + + threads.each {|t| t.kill.join if t.alive? } + + super(host, serv, *rest) + end + end + end +end + +TCPSocket.prepend CoreExtensions::TCPSocketExt |