X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ian/git?p=hippotat.git;a=blobdiff_plain;f=client;h=39e04c56640e7eeac6a4c0ec01a0310a8f314bd1;hp=7684cf33b682dad6212861880aa52df1bab245ac;hb=7b07f0b5fd215702dc58c53bd1cd7c63767f5710;hpb=034284c3d2f1bdc9c9c4e7762b40b34a9713f566 diff --git a/client b/client index 7684cf3..39e04c5 100755 --- a/client +++ b/client @@ -2,22 +2,6 @@ from hippotat import * -defcfg = ''' -[DEFAULT] -max_requests_outstanding = 4 - -[virtual] -mtu = 1500 -# [server] # maybe computed from `network' (see server defaults) -# [routes] # default is none - -[server] -# url # maybe computed from `addrs' and `port' (see server defaults) - -# [] -# password = -''' - client_cs = None def set_client(ci,cs,pw): @@ -27,6 +11,7 @@ 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(): @@ -44,21 +29,70 @@ def process_cfg(): process_cfg_clients(set_client) - try: - c.routes = cfg.get('virtual','routes') - except NoOptionError: - c.routes = '' + c.routes = cfg.get('virtual','routes') + c.max_queue_time = cfg.getint(client_cs, 'max_queue_time') + c.max_batch_up = cfg.getint(client_cs, 'max_batch_up') process_cfg_ipif(client_cs, (('local', 'client'), ('peer', 'server'), ('rnets', 'routes'))) +outstanding = 0 + +def start_client(): + global queue + global agent + queue = PacketQueue(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)) - pass + #print('OUT ', saddr, daddr, repr(packet)) + queue.append(packet) + check_outbound() + +def req_ok(data) + +def req_err(err): + print(err, >>sys.stderr) + outstanding-- + +def req_fin(*args): + +def check_outbound(): + while True: + if outstanding >= c.max_outstanding : break + if not queue.nonempty() && outstanding >= c.target_outstanding: break + + d = b'' + queue.process((lambda: len(d)), + (lambda s: d += s), + c.max_batch_up) + assert(len(d)) + + crlf = b'\r\n' + mime = (b'--b' + crlf + + b'Content-Disposition: form-data; name="m"' + crlf + + password + crlf + + c.client + crlf + + c.target_outstanding + crlf + + b'--b' + crlf + + b'Content-Disposition: form-data; name="d"' + crlf + + mime_translate(d) + crlf + + b'--b--' + crlf) + + hh = { 'User-Agent': ['hippotat'], + 'Content-Type': ['multipart/form-data; boundary="b"'] } + req = agent.request('POST', + c.url, + twisted.web.client.Headers(hh)) + req.addTimeout(c.http_timeout, + req.addCallbacks(req_ok, req_err) + req.addBoth(req_fin) + outstanding++ -common_startup(defcfg) +common_startup() process_cfg() +start_client() start_ipif(c.ipif_command, outbound) common_run()