First commit

pinger.py

@@ -0,0 +1,78 @@
+import asyncio
+
+class Pinger():
+    def __init__(self):
+        self.enabled = False
+        self.ips_list = []
+        self.ips_running_list = []
+
+    async def add_new_ip(self, ip):
+        self.ips_list.append(ip)
+        
+        
+    async def del_ip(self, ip):
+        self.ips_list.remove(ip)
+        
+    async def start(self, fn):
+        self.enabled = True
+        asyncio.create_task(self.ping_all(fn))
+        
+    async def stop(self):
+        self.enabled = False
+        while len(self.ips_running_list) > 0:
+            await asyncio.sleep(0)
+        
+    async def notify_ping(self, ip, fn):
+        success = False
+        cmd = f"ping -c 1 -W 5 -q {ip}"
+        proc = await asyncio.create_subprocess_shell(
+            cmd,
+            stdout=asyncio.subprocess.PIPE,
+            stderr=asyncio.subprocess.PIPE)
+
+        stdout, stderr = await proc.communicate()
+
+        # print(f'[{cmd!r} exited with {proc.returncode}]')
+        if stdout:
+            output = f'[stdout]\n{stdout.decode()}'
+            success = bool(int((output.split(",")[1].strip()[0])))
+            
+        # if stderr:
+        #     print(f'[stderr]\n{stderr.decode()}')
+        await fn(str({"ip" : ip, "success": success}))
+        return ip
+    
+
+    async def ping_all(self, fn):
+
+        def on_done(task_ip: asyncio.Task):
+            ip = task_ip.result()
+            self.ips_running_list.remove(ip)
+        
+        while self.enabled:
+            for ip in self.ips_list:
+                if ip not in self.ips_running_list:
+                    task = asyncio.create_task(self.notify_ping(ip, fn))
+                    self.ips_running_list.append(ip)
+                    task.add_done_callback(on_done)
+                else:     
+                    await asyncio.sleep(0)
+            await asyncio.sleep(0)
+            
+            
+async def output_print(result):
+    print(result)
+            
+            
+async def main():
+    p = Pinger()
+    await p.add_new_ip("192.168.14.121")
+    await p.add_new_ip("8.8.8.8")
+    await p.start(output_print)
+    await asyncio.sleep(20)
+    await p.stop()
+    print("Finished!")
+    
+
+if __name__ == "__main__":
+    asyncio.run(main())