X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ian/git?p=hippotat.git;a=blobdiff_plain;f=client;h=c9682bd944e135b4a57f0bdb8c375f5bdf2188fa;hp=49a10efecf0b7dd81cca7c6de293ce88d2dae16f;hb=00192d6acf47a29fcedba761125ebd9ccfb84dba;hpb=1321ad5f1dc05a97d58c4750863e645016fe0aa8

diff --git a/client b/client
index 49a10ef..c9682bd 100755
--- a/client
+++ b/client
@@ -2,6 +2,9 @@
 
 from hippotat import *
 
+import twisted.web
+import twisted.web.client
+
 client_cs = None
 
 def set_client(ci,cs,pw):
@@ -11,6 +14,7 @@ def set_client(ci,cs,pw):
   client_cs = cs
   c.client = ci
   c.max_outstanding = cfg.getint(cs, 'max_requests_outstanding')
+  c.target_outstanding = cfg.getint(cs, 'target_requests_outstanding')
   password = pw
 
 def process_cfg():
@@ -24,12 +28,15 @@ def process_cfg():
     c.url = cfg.get('server','url')
   except NoOptionError:
     process_cfg_saddrs()
-    sa = c.saddrs[0].url()
+    c.url = c.saddrs[0].url()
 
   process_cfg_clients(set_client)
 
   c.routes = cfg.get('virtual','routes')
-  c.max_queue_time = cfg.get(client_cs, 'max_queue_time')
+  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'),
@@ -40,24 +47,93 @@ outstanding = 0
 
 def start_client():
   global queue
-  queue = PacketQueue(c.max_queue_time)
+  global agent
+  queue = PacketQueue('up', c.max_queue_time)
+  agent = twisted.web.client.Agent(reactor, connectTimeout = c.http_timeout)
 
 def outbound(packet, saddr, daddr):
   #print('OUT ', saddr, daddr, repr(packet))
   queue.append(packet)
   check_outbound()
 
+class ResponseConsumer(twisted.internet.protocol.Protocol):
+  def __init__(self):
+    self._ssd = SlipStreamDecoder(queue_inbound)
+  def dataReceived(self, 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):
+      try: self._ssd.flush()
+      except Exception as e: asyncfailure(e)
+    else:
+      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
-    elements = { }
-    if not queue.nonempty():
-      if outstanding >= c.target_
+    if                          outstanding >= c.max_outstanding   : break
+    if not queue.nonempty() and outstanding >= c.target_outstanding: break
+
+    d = b''
+    def moredata(s): nonlocal d; d += s
+    queue.process((lambda: len(d)),
+                  moredata,
+                  c.max_batch_up)
+    
+    crlf = b'\r\n'
+    lf   =   b'\n'
+    mime = (b'--b'                                      + crlf +
+            b'Content-Disposition: form-data; name="m"' + crlf + crlf +
+            password                                    + crlf +
+            str(c.client)             .encode('ascii')  + crlf +
+            str(c.target_outstanding) .encode('ascii')  + crlf +
+          ((
+            b'--b'                                      + crlf +
+            b'Content-Disposition: form-data; name="d"' + crlf + crlf +
+            mime_translate(d)                           + crlf
+           ) if len(d) else b'')                               +
+            b'--b--'                                    + crlf)
+
+    df = open('data.dump.dbg', mode='wb')
+    df.write(mime)
+    df.close()
+    # POST -use -c 'multipart/form-data; boundary="b"' http://localhost:8099/ <data.dump.dbg
+
+    log_debug(DBG.HTTP_FULL, 'requesting: ' + str(mime))
 
-  while (outstanding <  and
-         (queue.notempty() or outstanding < c.
+    hh = { 'User-Agent': ['hippotat'],
+           'Content-Type': ['multipart/form-data; boundary="b"'] }
+    req = agent.request(b'POST',
+                        c.url,
+                        twisted.web.client.Headers(hh))
+    req.addTimeout(c.http_timeout, reactor)
+    req.addCallbacks(req_ok, req_err)
+    outstanding += 1
 
 common_startup()
 process_cfg()
+start_client()
 start_ipif(c.ipif_command, outbound)
+check_outbound()
 common_run()