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exception to wait for reading by EINPROGRESS. see IO.select.

Note: Don’t use this class directly. This is an internal class.

Error raised when an error occurs on the underlying communication protocol.

Class responsible for converting between an object and its id.

This, the default implementation, uses an object’s local ObjectSpace __id__ as its id. This means that an object’s identification over drb remains valid only while that object instance remains alive within the server runtime.

For alternative mechanisms, see DRb::TimerIdConv in drb/timeridconv.rb and DRbNameIdConv in sample/name.rb in the full drb distribution.

An Array wrapper that can be sent to another server via DRb.

All entries in the array will be dumped or be references that point to the local server.

Class handling the connection between a DRbObject and the server the real object lives on.

This class maintains a pool of connections, to reduce the overhead of starting and closing down connections for each method call.

This class is used internally by DRbObject. The user does not normally need to deal with it directly.

Class responsible for converting between an object and its id.

This, the default implementation, uses an object’s local ObjectSpace __id__ as its id. This means that an object’s identification over drb remains valid only while that object instance remains alive within the server runtime.

For alternative mechanisms, see DRb::TimerIdConv in drb/timeridconv.rb and DRbNameIdConv in sample/name.rb in the full drb distribution.

Gateway id conversion forms a gateway between different DRb protocols or networks.

The gateway needs to install this id conversion and create servers for each of the protocols or networks it will be a gateway between. It then needs to create a server that attaches to each of these networks. For example:

require 'drb/drb'
require 'drb/unix'
require 'drb/gw'

DRb.install_id_conv DRb::GWIdConv.new
gw = DRb::GW.new
s1 = DRb::DRbServer.new 'drbunix:/path/to/gateway', gw
s2 = DRb::DRbServer.new 'druby://example:10000', gw

s1.thread.join
s2.thread.join

Each client must register services with the gateway, for example:

DRb.start_service 'drbunix:', nil # an anonymous server
gw = DRbObject.new nil, 'drbunix:/path/to/gateway'
gw[:unix] = some_service
DRb.thread.join

To use WeakIdConv:

DRb.start_service(nil, nil, {:idconv => DRb::WeakIdConv.new})

HTTP response class.

This class wraps together the response header and the response body (the entity requested).

It mixes in the HTTPHeader module, which provides access to response header values both via hash-like methods and via individual readers.

Note that each possible HTTP response code defines its own HTTPResponse subclass. All classes are defined under the Net module. Indentation indicates inheritance. For a list of the classes see Net::HTTP.

Correspondence HTTP code => class is stored in CODE_TO_OBJ constant:

Net::HTTPResponse::CODE_TO_OBJ['404'] #=> Net::HTTPNotFound

www.iana.org/assignments/http-status-codes/http-status-codes.xhtml

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