2026/04/02
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Thursday, April 2, 2026 (#92)
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- 09:00~ : local schema listing re-achieved, woot! Now to tidy up and then also try to get it working over ssh2 again...
- 10:39 Time to refer back to the Process Control Model to figure out how ssh2 is supposed to operate.
- 10:45 Items to keep in mind:
- In an SSH2 session (unlike a Proc session), there are two non-Stream resources to keep track of: the
ssh2_connect()resource and thessh2_exec()resource. - The Starter object keeps the
ssh2_connect()resource, but the Session object needs to pass that to ssh2_exec(). - Q1: How does the Session object access the Starter object?
- In an SSH2 session (unlike a Proc session), there are two non-Stream resources to keep track of: the
- 12:55 A1: Maybe it should work like this:
- The Starter doesn't do anything except create a Session.
- The Session opens and closes the ssh2 session, and tracks both that (
ssh2_connect()) resource and thessh2_exec()resource.- Q2: Does the
ssh2_exec()resource need to be closed as well? (If so, then maybe this ^ isn't a good model, because we'll be opening and closing two separate things.- A2: Tentatively, this does not appear to be the case. The documentation does not mention any need to close the resource, nor does there appear to be a function with which to do so.
- Q2: Does the
- 20:34 I think I need a new Process Control Model table, to show what each of the components (Starter, Session) are supposed to do.
| Model Action | Action: Proc Starter | Action: Proc Session | Action: SSH2 Starter | Action: SSH2 Session |
|---|---|---|---|---|
| Open | NO OP | create Session object | ssh2_connect()
| |
| Command | proc_open() |
send to stdin | NO OP | ssh2_exec()
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| Shut | NO OP | zap Session object | ssh2_disconnect()
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- 21:55 Trying to document stuff has been almost impossible for the last hour or so, because of cloud5 being overloaded to the point where pages refuse to load many times in a row, requiring 10-20 minutes per edit.
- 21:59 ...and then suddenly everything is fine...