Add socket exception callback

setup.py

@@ -5,7 +5,7 @@
 
 setup(
     name="aio-udp-server",
-    version="0.0.1",
+    version="0.0.2",
     description="Asyncio UDP server with traffic throttling",
     long_description=long_description,
     long_description_content_type="text/markdown",

src/aioudp/__init__.py

@@ -48,6 +48,9 @@ def _sock_recv(self, fut=None, registered=False):
             data, addr = self.sock.recvfrom(self.recv_max_size)
         except (BlockingIOError, InterruptedError):
             self.loop.add_reader(fd, self._sock_recv, fut, True)
+        except Exception as e:
+            fut.set_result(0)
+            self.socket_error(e)
         else:
             fut.set_result((data, addr))
 
@@ -69,6 +72,9 @@ def _sock_send(self, data, addr, fut=None, registered=False):
             bytes_sent = self.sock.sendto(data, addr)
         except (BlockingIOError, InterruptedError):
             self.loop.add_writer(fd, self._sock_send, data, addr, fut, True)
+        except Exception as e:
+            fut.set_result(0)
+            self.socket_error(e)
         else:
             fut.set_result(bytes_sent)
 
@@ -98,5 +104,8 @@ async def _recv_periodically(self):
     def connection_made(self):
         pass
 
+    def socket_error(self, e):
+        pass
+
     async def datagram_received(self, data, addr):
-        pass
+        pass