feature: update scan method to use port 80 when possible, and add .scan() method.

pyasic/network/__init__.py

@@ -107,12 +107,15 @@ class MinerNetwork:
         """
         return cls(list(ipaddress.ip_network(subnet, strict=False).hosts()))
 
-    async def scan_network_for_miners(self) -> List[AnyMiner]:
-        """Scan the network for miners, and return found miners as a list.
+    async def scan(self) -> List[AnyMiner]:
+        """Scan the network for miners.
 
         Returns:
             A list of found miners.
         """
+        return await self.scan_network_for_miners()
+
+    async def scan_network_for_miners(self) -> List[AnyMiner]:
         logging.debug(f"{self} - (Scan Network For Miners) - Scanning")
 
         # clear cached miners
@@ -156,76 +159,18 @@ class MinerNetwork:
             except TimeoutError:
                 yield None
 
-    @staticmethod
-    async def ping_miner(
-        ip: ipaddress.ip_address, semaphore: asyncio.Semaphore
-    ) -> Union[None, ipaddress.ip_address]:
-        async with semaphore:
-            try:
-                miner = await ping_miner(ip)
-                if miner:
-                    return miner
-            except ConnectionRefusedError:
-                tasks = [ping_miner(ip, port=port) for port in [4029, 8889]]
-                for miner in asyncio.as_completed(tasks):
-                    try:
-                        miner = await miner
-                        if miner:
-                            return miner
-                    except ConnectionRefusedError:
-                        pass
-
     @staticmethod
     async def ping_and_get_miner(
         ip: ipaddress.ip_address, semaphore: asyncio.Semaphore
     ) -> Union[None, AnyMiner]:
         async with semaphore:
-            try:
-                miner = await ping_and_get_miner(ip)
-                if miner:
-                    return miner
-            except ConnectionRefusedError:
-                tasks = [ping_and_get_miner(ip, port=port) for port in [4029, 8889]]
-                for miner in asyncio.as_completed(tasks):
-                    try:
-                        miner = await miner
-                        if miner:
-                            return miner
-                    except ConnectionRefusedError:
-                        pass
-
-
-async def ping_miner(
-    ip: ipaddress.ip_address, port=4028
-) -> Union[None, ipaddress.ip_address]:
-    for i in range(settings.get("network_ping_retries", 1)):
-        try:
-            connection_fut = asyncio.open_connection(str(ip), port)
-            # get the read and write streams from the connection
-            reader, writer = await asyncio.wait_for(
-                connection_fut, timeout=settings.get("network_ping_timeout", 3)
-            )
-            # immediately close connection, we know connection happened
-            writer.close()
-            # make sure the writer is closed
-            await writer.wait_closed()
-            # ping was successful
-            return ip
-        except asyncio.exceptions.TimeoutError:
-            # ping failed if we time out
-            continue
-        except (ConnectionRefusedError, OSError):
-            # handle for other connection errors
-            logging.debug(f"{str(ip)}: Connection Refused.")
-            raise ConnectionRefusedError
-        except Exception as e:
-            logging.warning(f"{str(ip)}: Ping And Get Miner Exception: {e}")
-            raise ConnectionRefusedError
-    return
+            miner = await ping_and_get_miner(ip)
+            if miner:
+                return miner
 
 
 async def ping_and_get_miner(
-    ip: ipaddress.ip_address, port=4028
+    ip: ipaddress.ip_address, port=80
 ) -> Union[None, AnyMiner]:
     for i in range(settings.get("network_ping_retries", 1)):
         try:
@@ -243,13 +188,9 @@ async def ping_and_get_miner(
         except asyncio.exceptions.TimeoutError:
             # ping failed if we time out
             continue
-        except (ConnectionRefusedError, OSError):
-            # handle for other connection errors
-            logging.debug(f"{str(ip)}: Connection Refused.")
-            raise ConnectionRefusedError
         except Exception as e:
-            logging.warning(f"{str(ip)}: Ping And Get Miner Exception: {e}")
-            raise ConnectionRefusedError
+            logging.warning(f"{str(ip)}: Unhandled ping exception: {e}")
+            return
     return