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116 lines
3.0 KiB
116 lines
3.0 KiB
import bin #this is at the end of the script in case any functions from bin |
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#depend on anything here |
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from fibonaccios.exceptions import * |
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from fibonaccios.apploader import get_app |
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import fibonaccios.apploader # apploader hack |
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import time |
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import usb_cdc |
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import os |
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class App: |
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def __init__(self, os, pid, name, wd, *argv): |
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self.os = os |
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self.pid = pid |
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self.name = name |
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self.store = {} |
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self.next_function = 'main' |
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self.run_at = -1 |
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self.wd = wd |
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self.argv = (self,) + argv |
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self.waiting_for = -1 |
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def iterate(self): |
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os.chdir(self.wd) |
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if time.monotonic() >= self.run_at and not self.waiting_for in self.os.apps: |
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getattr(self, f'F_{self.next_function}')() |
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@property |
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def console(self): |
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if self.pid == self.os.controllers[-1]: |
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return self.os.console |
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else: |
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raise NotConsoleController(self.os.controllers[-1]) |
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def transfer_console(self, recipient): |
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if self.pid == self.os.controllers[-1]: |
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self.os.controllers.append(recipient) |
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else: |
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raise NotConsoleController(self.os.controllers[-1]) |
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def chdir(self, wd): |
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os.chdir(wd) |
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self.wd = os.getcwd() |
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def jump(self, function): |
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self.next_function = function |
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def sleep(self, seconds): |
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self.run_at = time.monotonic() + seconds |
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def exec(self, command, *argv): |
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self.os.apps[self.pid] = get_app(command)(self.os, self.pid, command, self.wd, *argv) |
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def launch(self, command, *argv): |
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return self.os.launch(command, self.wd, *argv) |
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def wait(self, pid): |
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self.waiting_for = pid |
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def end_wait(self): |
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self.waiting_for = -1 |
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def on_exit(self): |
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pass |
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def exit(self): |
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del self.os.apps[self.pid] |
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apploader.App = App # apploader hack |
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class OS: |
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def __init__(self): |
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self.apps = {} |
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self.next_new = 0 |
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self.controllers = [0] |
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self.console = usb_cdc.console |
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usb_cdc.console.timeout = 0 |
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self.next_pidi = 0 |
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self.launch('init', '/') |
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def iterate(self): |
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pid = list(self.apps.keys())[self.next_pidi] |
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function = self.apps[pid].iterate |
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function() |
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try: |
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self.apps[pid] |
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# If this succeds, the app did not exit and next_pidi should |
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# be incremented |
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self.next_pidi += 1 |
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except KeyError: |
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# If self.apps[pid] failed, the app exited and next_pidi |
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# should not be incremented |
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pass |
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self.next_pidi = self.next_pidi % len(self.apps) |
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while not self.controllers[-1] in self.apps.keys(): |
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self.controllers.pop() |
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def launch(self, app, wd, *argv): |
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self.apps[self.next_new] = get_app(app)(self, self.next_new, app, wd, *argv) |
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self.next_new += 1 |
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return self.next_new - 1 |
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def kill(self, pid): |
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try: |
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del self.apps[pid] |
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except KeyError: |
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raise(NoSuchProcess(pid)) |
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def run(): |
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os = OS() |
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while True: |
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os.iterate() |
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