Merge pull request #43 from eregon/add_tcpsocket_has_open_timeout_constant

Add Net::Protocol::TCP_SOCKET_NEW_HAS_OPEN_TIMEOUT

Author: eregon

.github/workflows/test.yml

@@ -12,6 +12,7 @@ jobs:
     needs: ruby-verions
     name: build (${{ matrix.ruby }} / ${{ matrix.os }})
     strategy:
+      fail-fast: false
       matrix:
         ruby: ${{ fromJson(needs.ruby-verions.outputs.versions) }}
         os: [ ubuntu-latest, macos-latest, windows-latest ]

lib/net/protocol.rb

@@ -54,6 +54,16 @@ def ssl_socket_connect(s, timeout)
         s.connect
       end
     end
+
+    tcp_socket_parameters = TCPSocket.instance_method(:initialize).parameters
+    TCP_SOCKET_NEW_HAS_OPEN_TIMEOUT = if tcp_socket_parameters != [[:rest]]
+      tcp_socket_parameters.include?([:key, :open_timeout])
+    else
+      # Use Socket.tcp to find out since there is no parameters information for TCPSocket#initialize
+      # See discussion in https://github.com/ruby/net-http/pull/224
+      Socket.method(:tcp).parameters.include?([:key, :open_timeout])
+    end
+    private_constant :TCP_SOCKET_NEW_HAS_OPEN_TIMEOUT
   end