no dupe warning on cancel

[hippotat.git] / server

diff --git a/server b/server
index e5aa67b588878fca227564a896f808e2fd5382f6..9c61b7bfa3fe0a2d4194b9cb3def60367efb0d77 100755 (executable)
--- a/server
+++ b/server
@@ -12,8 +12,6 @@ from twisted.web.server import NOT_DONE_YET
 
 import syslog
 
-import traceback
-
 clients = { }
 
 #---------- "router" ----------
@@ -49,13 +47,12 @@ class Client():
     # plus from config:
     #  .max_batch_down
     #  .max_queue_time
-    #  .max_request_time
     #  .target_requests_outstanding
 
     if ip not in c.network:
       raise ValueError('client %s not in network' % ip)
 
-    for k in ('max_batch_down','max_queue_time','max_request_time',
+    for k in ('max_batch_down','max_queue_time','http_timeout',
               'target_requests_outstanding'):
       req = cfg.getint(cs, k)
       limit = cfg.getint('limits',k)
@@ -93,13 +90,24 @@ class Client():
     self._pq.append(packet)
     self._check_outbound()
 
+  def _req_fin(self, dummy, request, cl):
+    self._log(DBG.HTTP_CTRL, '_req_fin ' + repr(dummy), idof=request)
+    try: cl.cancel()
+    except twisted.internet.error.AlreadyCalled: pass
+
   def new_request(self, request):
     request.setHeader('Content-Type','application/octet-stream')
-    reactor.callLater(self.max_request_time, self._req_cancel, request)
-    request.notifyFinish().addErrback(self._req_error, request)
+    cl = reactor.callLater(self.http_timeout, self._req_cancel, request)
+    nf = request.notifyFinish()
+    nf.addErrback(self._req_error, request)
+    nf.addCallback(self._req_fin, request, cl)
     self._rq.append(request)
     self._check_outbound()
 
+  def _req_write(self, req, d):
+    self._log(DBG.HTTP, 'req_write ', idof=req, d=d)
+    req.write(d)
+
   def _check_outbound(self):
     log_debug(DBG.HTTP_CTRL, 'CHKO')
     while True:
@@ -123,7 +131,7 @@ class Client():
       self._log(DBG.HTTP_CTRL, 'CHKO processing', idof=request)
       # request, and also some non-expired packets
       self._pq.process((lambda: request.sentLength),
-                       request.write,
+                       (lambda d: self._req_write(request, d)),
                        self.max_batch_down)
 
       assert(request.sentLength)
@@ -141,11 +149,11 @@ def process_request(request, desca):
   # find client, update config, etc.
   metadata = request.args[b'm'][0]
   metadata = metadata.split(b'\r\n')
-  (ci_s, pw, tro) = metadata[0:3]
-  desca['m[0,2]'] = [ci_s, tro]
+  (ci_s, pw, tro, cto) = metadata[0:4]
+  desca['m[0,2:3]'] = [ci_s, tro, cto]
   ci_s = ci_s.decode('utf-8')
-  tro = int(tro)
-  desca['tro']= tro
+  tro = int(tro); desca['tro']= tro
+  cto = int(cto); desca['cto']= cto
   ci = ipaddr(ci_s)
   desca['ci'] = ci
   cl = clients[ci]
@@ -155,6 +163,9 @@ def process_request(request, desca):
   if tro != cl.target_requests_outstanding:
     raise ValueError('tro must be %d' % cl.target_requests_outstanding)
 
+  if cto < cl.http_timeout:
+    raise ValueError('cto must be >= %d' % cl.http_timeout)
+
   try:
     d = request.args[b'd'][0]
     desca['d'] = d