Module: RubySL::Socket::SocketOptions
- Defined in:
- lib/rubysl/socket/socket_options.rb
Class Method Summary collapse
- .constant(prefix, suffix) ⇒ Object
- .ip_level_to_int(level) ⇒ Object
- .is_ip_family?(family) ⇒ Boolean
- .socket_level(level, family = nil) ⇒ Object
- .socket_option(level, optname) ⇒ Object
Class Method Details
.constant(prefix, suffix) ⇒ Object
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# File 'lib/rubysl/socket/socket_options.rb', line 73 def self.constant(prefix, suffix) const = "#{prefix}_#{suffix}" if ::Socket.const_defined?(const) ::Socket.const_get(const) else raise SocketError, "Undefined socket constant: #{const}" end end |
.ip_level_to_int(level) ⇒ Object
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# File 'lib/rubysl/socket/socket_options.rb', line 59 def self.ip_level_to_int(level) prefixes = ["IPPROTO", "SOL", "IPV6"] prefixes.each do |prefix| const = "#{prefix}_#{level}" if ::Socket.const_defined?(const) return ::Socket.const_get(const) end end nil end |
.is_ip_family?(family) ⇒ Boolean
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# File 'lib/rubysl/socket/socket_options.rb', line 55 def self.is_ip_family?(family) family == "AF_INET" || family == "AF_INET6" end |
.socket_level(level, family = nil) ⇒ Object
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# File 'lib/rubysl/socket/socket_options.rb', line 4 def self.socket_level(level, family = nil) if level.is_a?(Symbol) or level.is_a?(String) if ::Socket.const_defined?(level) ::Socket.const_get(level) else if family and is_ip_family?(family) ip_level_to_int(level) elsif level.to_s == 'SOCKET' ::Socket::SOL_SOCKET else constant("IPPROTO", level) end end elsif level.respond_to?(:to_str) socket_level(Socket.coerce_to_string(level), family) else level end end |
.socket_option(level, optname) ⇒ Object
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# File 'lib/rubysl/socket/socket_options.rb', line 24 def self.socket_option(level, optname) case optname when Symbol, String if ::Socket.const_defined?(optname) ::Socket.const_get(optname) else case level when ::Socket::SOL_SOCKET constant("SO", optname) when ::Socket::IPPROTO_IP constant("IP", optname) when ::Socket::IPPROTO_TCP constant("TCP", optname) when ::Socket::IPPROTO_UDP constant("UDP", optname) when ::Socket.const_defined?(:IPPROTO_IPV6) && ::Socket::IPPROTO_IPV6 constant("IPV6", optname) else raise SocketError, "Unsupported socket level option name: #{optname}" end end else if optname.respond_to?(:to_str) socket_option(level, Socket.coerce_to_string(optname)) else optname end end end |