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3.1 Smapd Operation Modes

There are two modes of operation. In standalone mode, smapd detaches itself from the terminal and listens on incoming requests in background. In other words, it becomes a daemon. When a connection arrives, the server spawns a copy of itself (called child process) to handle it. Thus, a number of incoming connections are handled in parallel. This is the default mode.

In inetd mode, smapd does not listen on network addresses nor becomes a daemon. Instead, it reads requests from its standard input and sends replies on its standard output. As its name implies, this mode is intended for use from the inetd.conf file.

The inetd mode is requested from command line using the --inetd (-i) option, or from configuration file, using ‘inet-mode yes’ statement.