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How to use runner_queue method in avocado

Best Python code snippet using avocado_python

main.py

Source:main.py

1from ..config_validate import load_conf_file2from ..util import Context3from ..db import build_database, Team, Challenge, ChallengeInst, FlagStatus, Flag, ExpStatus, ExpLog4from ..executor import ExpRunner, FlagSubmitter, pool_init, pool_stop, submit_init, submit_stop5from .time_watcher import alarm_start, alarm_stop, current_round, round_range6from .file_watcher import watcher_start, watcher_stop7from .exp_manager2 import ExpManager8from .exploit import ExploitScheduler9import signal10import threading11import queue12def testfunc():13    with open("config.yaml") as fp:14        load_conf_file(fp)15    build_database()16    Context.cv = threading.Condition()17    e = threading.Event()18    watcher_start(e)19    manager = ExpManager("pwn1")20    for i in range(4):21        exp = manager.exp_iter()22        if exp:23            print(exp.name)24        else:25            print("stop")26    print("wait")27    while True:28        try:29            with Context.cv:30                Context.cv.wait_for(lambda: e.is_set())31            e.clear()32            manager.check_exp_update()33            while True:34                exp = manager.exp_iter()35                if exp:36                    print(exp.name)37                else:38                    print("end")39                    break40        except KeyboardInterrupt:41            break42def signal_init(flag_submit, time_event):43    signal.signal(signal.SIGUSR1, lambda: flag_submit.notify_new_flag())44    signal.signal(signal.SIGUSR2, lambda: time_event.set())45class FlagSubmitQueue(object):46    def __init__(self, notify_queue):47        self.notify_queue = notify_queue48        self.free_worker_count = Context.max_submitters49        # TODO: not good50        if self.free_worker_count is None:51            self.free_worker_count = 10052        self.notify_new_flag()  # submit flag that not upload53    def notify_submit_flag(self):54        self.free_worker_count += 155    def notify_new_flag(self):56        if self.free_worker_count != 0:57            start, end = round_range(current_round())58            session = Context.db.get_session()59            flags = session.query(Flag).filter(Flag.timestamp >= start, Flag.timestamp <= end,60                                               Flag.submit_status == FlagStatus.wait_submit).order_by(61                Flag.weight).all()62            c = min(len(flags), self.free_worker_count)63            for i in range(c):64                f = flags[i]65                e = None66                for exploit in Context.exploit_list:67                    if exploit.inst_id == f.inst_id:68                        e = exploit69                        break70                submitter = FlagSubmitter(f.id, self.notify_queue, e)71                submitter.start()72            self.free_worker_count -= c73            session.commit()74            session.close()75def server_start(config_file: str):76    with open(config_file) as fp:77        load_conf_file(fp)78    build_database()79    Context.cv = threading.Condition()80    # start alarm clock81    time_event = threading.Event()82    time_event.set()83    alarm_start(time_event)84    # start file watch85    file_event = threading.Event()86    watcher_start(file_event)87    # start runner thread pool88    runner_queue = queue.Queue()89    # start submitter pool90    submitter_queue = queue.Queue()91    flag_submit_queue = FlagSubmitQueue(submitter_queue)92    def task_down():93        if not submitter_queue.empty():94            return True95        elif not runner_queue.empty():96            return True97        elif file_event.is_set():98            return True99        elif time_event.is_set():100            return True101        else:102            return False103    signal_init(flag_submit_queue, time_event)104    # the thread pool will init in the first submit os task105    while True:106        try:107            with Context.cv:108                Context.cv.wait_for(task_down)109            # a new round is start110            if time_event.is_set():111                Context.logger.info("new round")112                time_event.clear()113                session = Context.db.get_session()114                now_round = current_round()115                for exploit in Context.exploit_list:116                    exploit.stop()117                Context.exploit_list = []118                start, end = round_range(current_round())119                for flag in session.query(Flag).filter(Flag.timestamp < start,120                                                       Flag.submit_status == FlagStatus.wait_submit):121                    flag.submit_status = FlagStatus.flag_expire122                session.commit()123                for inst in session.query(ChallengeInst).join(Challenge).join(Team).filter(Team.active == 1,124                                                                                           Challenge.active == 1).all():125                    exploit = ExploitScheduler(inst.id, now_round, runner_queue, submitter_queue)126                    exploit.start()127                    Context.exploit_list.append(exploit)128                session.commit()129                session.close()130            if file_event.is_set():131                file_event.clear()132                for inst in Context.exploit_list:133                    inst.exp_modify()134            while not runner_queue.empty():135                log_id, exploit, is_success = runner_queue.get()136                exploit.task_update(log_id, is_success)137                if is_success:138                    flag_submit_queue.notify_new_flag()139            while not submitter_queue.empty():140                flag_id, exploit = submitter_queue.get()141                if exploit:142                    exploit.flag_submitted(flag_id)143                flag_submit_queue.notify_submit_flag()144        except KeyboardInterrupt:145            break146    # stop all thing and exit147    alarm_stop()148    pool_stop()149    submit_stop()...

exploit.py

Source:exploit.py

1from ..util import Context2from ..db import ChallengeInst, Flag, FlagStatus3from .exp_manager2 import ExpManager4from ..executor import ExpRunner, FlagSubmitter5class ExploitScheduler:6    def __init__(self, inst_id, round_count, runner_queue, flag_queue):7        self.inst_id = inst_id8        self.round = round_count9        self.runner_queue = runner_queue10        self.flag_queue = flag_queue11        # get exp and sorted it12        session = Context.db.get_session()13        inst = session.query(ChallengeInst).filter(ChallengeInst.id == inst_id).one()14        self.challenge_name = inst.challenge.name15        self.team_name = inst.team.name16        session.commit()17        session.close()18        self.exp_manage = ExpManager(self.challenge_name)19        self.stopped = False20        self.success = False21        self.task_wait = False22        self.run_all = False23    def run_new_one(self):24        # if this inst has a flag wait to submit, not run a new one25        session = Context.db.get_session()26        inst = session.query(ChallengeInst).filter(ChallengeInst.id == self.inst_id).one()27        for i in inst.flags:28            if i.submit_status == FlagStatus.wait_submit:29                return30        exp = self.exp_manage.exp_iter()31        if exp:32            runner = ExpRunner(exp.name, exp.entry, self.inst_id, self.runner_queue, self, exp.timeout)33            runner.start()34            self.task_wait = True35        else:36            self.run_all = True37    def start(self):38        self.run_new_one()39    def task_update(self, log_id, get_flag):40        self.task_wait = False41        if not get_flag and not self.stopped and not self.success:42            self.run_new_one()43        # if get flag or stopped, do not run new exploit44    def exp_modify(self):45        if self.stopped or self.success:46            # not need to update47            return48        self.exp_manage.check_exp_update()49    def flag_submitted(self, flag_id):50        session = Context.db.get_session()51        flag = session.query(Flag).filter(Flag.id == flag_id).one()52        if flag.submit_status == FlagStatus.submit_success:53            # not need run new task54            self.success = True55            return56        session.commit()57        session.close()58        # the task wait will be true when a duplicate flag submit failed59        if not self.stopped and not self.task_wait:60            self.run_new_one()61    def stop(self):62        self.stopped = True63    def renew(self):64        if self.run_all:65            self.exp_manage = ExpManager(self.challenge_name)...

streams.py

Source:streams.py

1"""Components that manage Dapp Runner's data and state streams."""2import asyncio3from collections import defaultdict4from dataclasses import dataclass5from typing import Callable, Dict, List, Optional, TextIO, Any, TypeVar, Generic6Msg = TypeVar("Msg")7@dataclass8class RunnerStream(Generic[Msg]):9    """Dapp Runner's output stream manager."""10    queue: asyncio.Queue11    stream: TextIO12    process_callback: Optional[Callable] = None13    """callback processing the queue messages"""14    async def update(self):15        """Await the queue and write to the output stream."""16        while True:17            try:18                msg = await self.queue.get()19            except asyncio.CancelledError:20                return21            if self.process_callback:22                msg = self.process_callback(msg)23            self.stream.write(str(msg) + "\n")24class RunnerStreamer:25    """Dapp Runner's stream writer."""26    _streams: Dict[asyncio.Queue, List[RunnerStream]]27    _tasks: List[asyncio.Task]28    def __init__(self):29        self._streams = defaultdict(list)30        self._tasks = []31    def register_stream(32        self,33        runner_queue: asyncio.Queue,34        stream: TextIO,35        process_callback: Optional[Callable] = None,36    ):37        """Register a stream and run the stream update task."""38        if runner_queue not in self._streams:39            self._init_queue(runner_queue)40        runner_stream: RunnerStream[Any] = RunnerStream(41            asyncio.Queue(), stream, process_callback42        )43        self._streams[runner_queue].append(runner_stream)44        self._tasks.append(asyncio.create_task(runner_stream.update()))45    async def _feed_queue(self, queue: asyncio.Queue):46        while True:47            try:48                msg = await queue.get()49            except asyncio.CancelledError:50                return51            for runner_stream in self._streams[queue]:52                runner_stream.queue.put_nowait(msg)53    def _init_queue(self, runner_queue: asyncio.Queue):54        """Start the feed task for the given queue."""55        self._tasks.append(asyncio.create_task(self._feed_queue(runner_queue)))56    async def stop(self):57        """Stop the stream feed tasks."""58        for t in self._tasks:59            t.cancel()...

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