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SMT Version 2.81

Standard SMT Agents

The SMT architecture lets one build an application out of existing and new agents. We provide a number of standard agents. All these agents correctly support the shutdown method, which the SMT kernel broadcasts when it needs to end the application.

These are the standard SMT agents:

• The logging agent SMTLOG - writes data to log files.
• The operator console SMTOPER - handles error messages produced by other agents.
• The timer agent SMTTIME - generates one-off or repeated timing events.
• The time-slot agent SMTSLOT - generates events according to a set of time-slots.
• The socket agent SMTSOCK - handles input and output on sockets.
• The transfer agent SMTTRAN - handles message and basic file transfer via TCP sockets.
• The TCP echo agent SMTECHO - handles the TCP echo protocol.
• The HTTP agent SMTHTTP - handles the HTTP server protocol.
• The simulation agent SMTSIMU - simulates network delays.

These agents are in development, or planned:

• The FTP agent SMTFTP - handles the FTP protocol.
• The secure socket agent SMTSSL - handles input and output using the Secure Socket Layer protocol.
• The fileio agent SMTFILE - handles input and output to sequential files, with caching.
• The robust transfer protocol (RTP) agent SMTRTP - handles robust data transfer via UDP sockets.
• The zip/unzip agent SMTZIP - handles access to compressed files using the zip standard.

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