Support different types of processes lifecycles on TOP

[renatomassaro]

Process lifecycles:

• direct - Process with a clear goal/target/objective, has an ending. The time required for completion is usually shown to the player. Examples: FileTransfer (download/upload), editing a log, overflow/bruteforce attack.

• recursive - The process runs endlessly. It has a target, but the user doesn't know which one exactly is it. Once the target is deemed processed, the user is notified about it, and the process selects a new target, starting from scratch. If no targets are select, the process runs anyway, and the user does not know that. Examples: LogRecover (system-wide), FileSeeker.

• daemon - The process runs endlessly. It usually does not have a target. Instead, the process is used as means to 1) enabling some in-game action or 2) increasing/hardening in-game defense against remote attacks. Examples: Firewall (passive).

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Current TOP, rewritten at #322, only supports direct. Adding both recursive and daemon should require minimal changes to the allocator, and a new interfarce under Resourceable (in order for recursive protects to select the next target).

Edit: support for recursive process added at #410

[renatomassaro]

recursive process type was implemented at #410, refer to LogRecoverProcess for usage example.

Implementation of recursive process is based on the SIGRETARGET signal. When the process objective is reached, the process may perform its side-effect (e.g. pop out a log revision; mark a file/connection as found; etc) and then send the retarget signal.

When SIGRETARGET signal is received, Processable.retarget/2 is called. It's up to each process to define how the next iteration should go, but basically during the retarget step, the process may change any object target(s) and its objectives, effectively creating a new iteration.

Note that, to avoid race conditions, one should issue the SIGRETARGET signal only after the side-effect has been committed (performed).

[Deathslayer222]

Wo4king on the game but when do we get refunds and replays on the hacker experience 2 discord ur over due on ur 3-5 business days

On Thu, Aug 16, 2018, 06:09 Renato Massaro notifications@github.com wrote:

recursive process type was implemented at #410 https://github.com/HackerExperience/Helix/pull/410, refer to LogRecoverProcess for usage example.

Implementation of recursive process is based on the SIGRETARGET signal. When the process objective is reached, the process may perform its side-effect (e.g. pop out a log revision; mark a file/connection as found; etc) and then send the retarget signal.

When SIGRETARGET signal is received, Processable.retarget/2 is called. It's up to each process to define how the next iteration should go, but basically during the retarget step, the process may change any object target(s) and its objectives, effectively creating a new iteration.

Note that, to avoid race conditions, one should issue the SIGRETARGET signal only after the side-effect has been committed (performed).

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