From c4b6d9904e814113a10b7f343a3bbfe8c68043d3 Mon Sep 17 00:00:00 2001
From: Ian Jackson <ijackson@chiark.greenend.org.uk>
Date: Sun, 19 Mar 2017 14:25:55 +0000
Subject: [PATCH] wip

---
 server | 47 +++++++++++++++++++++++++++++++++++++----------
 1 file changed, 37 insertions(+), 10 deletions(-)

diff --git a/server b/server
index 1a9049b..46ce5ed 100755
--- a/server
+++ b/server
@@ -8,6 +8,8 @@ from twisted.internet import reactor
 import ConfigParser
 import ipaddress
 
+import syslog
+
 clients = { }
 
 def ipaddress(input):
@@ -36,22 +38,48 @@ max_queue_time: 121
 max_request_time: 121
 '''
 
+def route(packet. daddr):
+  try: client = clients[daddr]
+  except KeyError: dclient = None
+  if dclient is not None:
+    dclient.queue_outbound_data(packet)
+  else if daddr = server or daddr not in network:
+    queue_inbound_data(packet)
+  else:
+    syslog.syslog(syslog.LOG_DEBUG, 'no client for %s' % daddr)
+
 class Client():
-  def __init__(ip, cs):
+  def __init__(self, ip, cs):
     # instance data members
     self._ip = ip
     self._cs = cs
     self.pw = cfg.get(cs, 'password')
-    # plus:
-    #  .cfg[<config-key>]
-    self.cfg = { }
+    # plus from config:
+    #  .max_batch_down
+    #  .max_queue_time
+    #  .max_request_time
     for k in ('max_batch_down','max_queue_time','max_request_time'):
       req = cfg.getint(cs, k)
       limit = cfg.getint('global',k)
-      self.cfg[k] = min(req, limit)
+      self.__dict__[k] = min(req, limit)
+
+    def process_arriving_data(self, d):
+      for packet in slip_decode(d):
+        (saddr, daddr) = ip_64_addrs(packet)
+        if saddr != self._ip:
+          raise ValueError('wrong source address %s' % saddr)
+        route(packet, daddr)
 
-    def process_arriving_data(d):
-      
+    def _req_cancel(self, request):
+      request.finish()
+
+    def _req_error(self, err, request):
+      self._req_cancel(request)
+
+    def http_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)
 
 def process_cfg():
   global network
@@ -87,11 +115,10 @@ class FormPage(Resource):
       try: v = request.args[r]
       except KeyError: continue
       v = int(v)
-      c.cfg[w] = v
+      c.__dict__[w] = v
 
     try: d = request.args['d']
     except KeyError: d = ''
 
     c.process_arriving_data(d)
-
-    reactor.
+    c.new_request(request)
-- 
2.30.2