commit ffa6b3797edef4b4f5739513f18473bd45f45bcb
Author: bytedream <bytedream@protonmail.com>
Date:   Mon Jan 31 20:05:22 2022 +0100

    Initial commit

diff --git a/.gitignore b/.gitignore
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+++ b/.gitignore
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+.idea/
+data/
diff --git a/README.md b/README.md
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+++ b/README.md
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+To proof how poor designed (my) telekom routers are, this repo pings the ips **1.1.1.1** (cloudflare), **217.237.148.22** (telekom dns), **192.168.2.1** (router) and stores the request times into a csv file. -1 is timeout (which is set to 100 seconds)
diff --git a/main.py b/main.py
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+++ b/main.py
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+import csv
+import signal
+import time
+import threading
+
+import ping3
+
+
+class Ping(threading.Thread):
+
+    def __init__(self, ip: str):
+        super().__init__()
+        self._start: int = None
+        self._end: int = None
+        self._ping: int = None
+
+        self.ip = ip
+
+    def run(self) -> None:
+        self._start = time.time_ns() / 1_000_000
+        self._ping = ping3.ping(self.ip, timeout=60, unit="ms") or -1
+        self._end = time.time_ns() / 1_000_000
+
+    def load(self) -> (int, int, int):
+        self.join()
+        return self._start, self._end, self._ping
+
+
+class PingRequester(threading.Thread):
+
+    def __init__(self, ip: str, file: str):
+        super().__init__()
+        self.stop = False
+        self.lock = threading.Lock()
+        self.event = threading.Event()
+
+        self.write_interval = 100
+
+        self.ip = ip
+        self.list: [Ping] = []
+        self.file = open(file, 'a+')
+        self.writer = csv.writer(self.file)
+
+    def run(self) -> None:
+        while not self.stop:
+            threading.Thread(target=self._ping).start()
+            time.sleep(1)
+
+        data = []
+        for req in self.list:
+            data.append(req.load())
+        self._write(data)
+
+    def finish(self) -> None:
+        self.stop = True
+
+    def _ping(self) -> None:
+        self.lock.acquire()
+        request = Ping(self.ip)
+        request.start()
+        self.list.append(request)
+
+        if len(self.list) >= self.write_interval and not self.event.is_set():
+            self.event.set()
+            self.lock.release()
+            data = []
+            for req in self.list[:self.write_interval]:
+                data.append(req.load())
+            self.list = self.list[self.write_interval:]
+            self._write(data)
+
+            self.event.clear()
+        else:
+            self.lock.release()
+
+    def _write(self, data: [(int, int, int)]) -> None:
+        self.writer.writerows(data)
+        self.file.flush()
+
+
+class BulkPing:
+
+    def __init__(self, file: str, *ips: str):
+        self.ips = ips
+
+        self.event = threading.Event()
+
+        self.write_interval = 100
+
+        self.list: [[Ping]] = [[] for _ in range(len(ips))]
+        self.stop = False
+        self.file = open(file, 'a+')
+        self.writer = csv.writer(self.file)
+
+    def start(self) -> None:
+        while not self.stop:
+            for i, ip in enumerate(self.ips):
+                ping = Ping(ip)
+                ping.start()
+                self.list[i].append(ping)
+
+            if not self.event.is_set() and all(len(pings) >= self.write_interval for pings in self.list):
+                self.event.set()
+                threading.Thread(target=self._write_cached_pings).start()
+
+            time.sleep(1)
+
+    def finish(self) -> None:
+        self.stop = True
+
+    def _write_cached_pings(self) -> None:
+        rows = []
+
+        for i in range(self.write_interval):
+            data = []
+            for pings in self.list:
+                data.append(pings[i].load()[2])
+            rows.append(data)
+
+        for i in range(len(self.list)):
+            self.list[i] = self.list[i][self.write_interval:]
+
+        self._write(rows)
+        self.event.clear()
+
+    def _write(self, rows: [[int]]):
+        self.writer.writerows(rows)
+        self.file.flush()
+
+
+def v1():
+    threads = [
+        PingRequester('1.1.1.1', 'data/1-1-1-1.csv'),
+        PingRequester('217.237.148.22', 'data/217-237-148-22.csv'),
+        PingRequester('192.168.2.1', 'data/192-168-2-1.csv')
+    ]
+
+    def stop(sig, frame):
+        print("Stopping threads gratefully (may take up to 60 seconds)")
+        for thread in threads:
+            thread.finish()
+
+    signal.signal(signal.SIGINT, stop)
+
+    for i, thread in enumerate(threads):
+        thread.start()
+        print(f'Started thread {i}')
+
+    for thread in threads:
+        thread.join()
+
+
+def v2():
+    ping = BulkPing('data/all.csv',
+                    '1.1.1.1', '217.237.148.22', '192.168.2.1')
+
+    def stop(sig, frame):
+        print("Stopping process gratefully (may take up to 60 seconds)")
+        ping.finish()
+
+    signal.signal(signal.SIGINT, stop)
+
+    ping.start()
+
+
+if __name__ == '__main__':
+    v2()
diff --git a/requirements.txt b/requirements.txt
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+++ b/requirements.txt
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+ping3~=3.0.2
\ No newline at end of file