October 2006
Intermediate to advanced
888 pages
16h 55m
English
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20.1. An Overview: Using drb
A drb application has two basic components—a server and a client. A rough breakdown of their responsibilities is as follows:
The server:
Starts a TCPServer and listens on a port
Binds an object to the drb server instance
Accepts connections from clients and responds to their messages
May optionally provide access control (security)
The client:
Establishes a connection to the server process
Binds a local object to the remote server object
Sends messages to the server object and gets responses
The class method start_service takes care of starting a TCP server that listens on a specified port; it takes two parameters. The first is a URI (a Universal Resource Identifier) specifying a port (if it is nil, a port will be chosen ...
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