chiark / gitweb /
wip
authorIan Jackson <ijackson@chiark.greenend.org.uk>
Thu, 23 Mar 2017 19:30:26 +0000 (19:30 +0000)
committerIan Jackson <ijackson@chiark.greenend.org.uk>
Thu, 23 Mar 2017 19:30:26 +0000 (19:30 +0000)
client
hippotat/__init__.py

diff --git a/client b/client
index afdee9d..931cb1f 100755 (executable)
--- a/client
+++ b/client
@@ -36,6 +36,7 @@ def process_cfg():
   c.max_queue_time = cfg.getint(client_cs, 'max_queue_time')
   c.max_batch_up   = cfg.getint(client_cs, 'max_batch_up')
   c.http_timeout   = cfg.getint(client_cs, 'http_timeout')
+  c.http_retry     = cfg.getint(client_cs, 'http_retry')
 
   process_cfg_ipif(client_cs,
                    (('local', 'client'),
@@ -59,26 +60,37 @@ class ResponseConsumer(twisted.internet.protocol.Protocol):
   def __init__(self):
     self._ssd = SlipStreamDecoder(queue_inbound)
   def dataReceived(self, data):
-    self._ssd.inputdata(mime_translate(data))
+    try: self._ssd.inputdata(mime_translate(data))
+    except Exception as e: asyncfailure(e)
   def connectionMade(self): pass
   def connectionLost(self, reason):
     if isinstance(reason, twisted.internet.error.ConnectionDone):
-      self._ssd.flush()
+      try: self._ssd.flush()
+      except Exception as e: asyncfailure(e)
     else:
-      print(reason, file=sys.stderr)
+      asyncfailure(reason)
 
 def req_ok(resp):
   resp.deliverBody(ResponseConsumer())
+  req_fin()
 
 def req_err(err):
   print(err, file=sys.stderr)
+  reactor.callLater(c.http_retry, req_fin)
 
 def req_fin(*args):
   global outstanding
   outstanding -= 1
+  check_outbound()
+
+def asyncfailure(reason):
+  global outstanding
+  outstanding += 1
+  req_err(reason)
 
 def check_outbound():
   global outstanding
+
   while True:
     if                          outstanding >= c.max_outstanding   : break
     if not queue.nonempty() and outstanding >= c.target_outstanding: break
@@ -100,6 +112,8 @@ def check_outbound():
             mime_translate(d)                           + crlf +
             b'--b--'                                    + crlf)
 
+    print('REQUESTING ', mime, file=sys.stderr)
+
     hh = { 'User-Agent': ['hippotat'],
            'Content-Type': ['multipart/form-data; boundary="b"'] }
     req = agent.request(b'POST',
@@ -107,11 +121,11 @@ def check_outbound():
                         twisted.web.client.Headers(hh))
     req.addTimeout(c.http_timeout, reactor)
     req.addCallbacks(req_ok, req_err)
-    req.addBoth(req_fin)
     outstanding += 1
 
 common_startup()
 process_cfg()
 start_client()
 start_ipif(c.ipif_command, outbound)
+check_outbound()
 common_run()
index 029b22d..9bfe280 100644 (file)
@@ -34,6 +34,7 @@ target_requests_outstanding = 3  # must match; subject to [limits] on server
 max_requests_outstanding = 4     # used by client
 max_batch_up = 4000              # used by client
 http_timeout = 30                # used by client
+http_retry = 5                   # used by client
 
 #[server] or [<client>] overrides
 ipif = userv root ipif %(local)s,%(peer)s,%(mtu)s,slip %(rnets)s