add timeouts

custom_components/mega/hub.py

@@ -157,11 +157,10 @@ class MegaD:
         if force_d is not None:
             self.customize[CONF_FORCE_D] = force_d
         try:
-            if allow_hosts is not None:
+            if allow_hosts is not None and DOMAIN in hass.data:
                 allow_hosts = set(allow_hosts.split(';'))
                 hass.data[DOMAIN][CONF_HTTP].allowed_hosts |= allow_hosts
             hass.data[DOMAIN][CONF_HTTP].protected = protected
-
         except Exception:
             self.lg.exception('while setting allowed hosts')
 
@@ -186,7 +185,10 @@ class MegaD:
                 continue
             if x.port in ports:
                 continue
-            await self.get_port(x.port, force_http=True, http_cmd=x.http_cmd)
+            try:
+                await self.get_port(x.port, force_http=True, http_cmd=x.http_cmd)
+            except asyncio.TimeoutError:
+                continue
             ports.append(x.port)
 
     @property
@@ -233,12 +235,15 @@ class MegaD:
         """
         for x in self.ds2413_ports:
             self.lg.debug(f'poll ds2413 for %s', x)
-            await self.get_port(
-                port=x,
-                force_http=True,
-                http_cmd='list',
-                conv=False
-            )
+            try:
+                await self.get_port(
+                    port=x,
+                    force_http=True,
+                    http_cmd='list',
+                    conv=False
+                )
+            except asyncio.TimeoutError:
+                continue
 
     async def poll(self):
         """
@@ -253,6 +258,7 @@ class MegaD:
             ret = await self._update_i2c(x)
             if isinstance(ret, dict):
                 self.values.update(ret)
+
         for x in self.extenders:
             ret = await self._update_extender(x)
             if not isinstance(ret, dict):
@@ -290,14 +296,21 @@ class MegaD:
             url = f"{url}/?{cmd}"
         self.lg.debug('request: %s', url)
         async with self._http_lck(priority):
-            async with aiohttp.request("get", url=url) as req:
-                if req.status != 200:
-                    self.lg.warning('%s returned %s (%s)', url, req.status, await req.text())
-                    return None
-                else:
-                    ret = await req.text()
-                    self.lg.debug('response %s', ret)
-                    return ret
+            for _ntry in range(3):
+                try:
+                    async with aiohttp.request("get", url=url, timeout=aiohttp.ClientTimeout(total=5)) as req:
+                        if req.status != 200:
+                            self.lg.warning('%s returned %s (%s)', url, req.status, await req.text())
+                            return None
+                        else:
+                            ret = await req.text()
+                            self.lg.debug('response %s', ret)
+                            return ret
+                except asyncio.TimeoutError:
+                    self.lg.warning(f'timeout while requesting {url}')
+                    raise
+                    # await asyncio.sleep(1)
+            raise asyncio.TimeoutError('after 3 tries')
 
     async def save(self):
         await self.send_command(cmd='s')
@@ -350,7 +363,10 @@ class MegaD:
         return {e.port for e in self.entities}
 
     async def get_all_ports(self, only_out=False, check_skip=False):
-        ret = await self.request(cmd='all')
+        try:
+            ret = await self.request(cmd='all')
+        except asyncio.TimeoutError:
+            return
         for port, x in enumerate(ret.split(';')):
             if port in self.ds2413_ports:
                 continue
@@ -446,7 +462,10 @@ class MegaD:
         :param port:
         :return:
         """
-        values = await self.request(pt=port, cmd='get')
+        try:
+            values = await self.request(pt=port, cmd='get')
+        except asyncio.TimeoutError:
+            return
         ret = {}
         for i, x in enumerate(values.split(';')):
             ret[f'{port}e{i}'] = x
@@ -462,9 +481,12 @@ class MegaD:
         delay = None
         if 'delay' in params:
             delay = params.pop('delay')
-        ret = {
-            _params: await self.request(**params)
-        }
+        try:
+            ret = {
+                _params: await self.request(**params)
+            }
+        except asyncio.TimeoutError:
+            return
         self.lg.debug('i2c response: %s', ret)
         if delay:
             self.lg.debug('delay %s', delay)