X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ian/git?p=hippotat.git;a=blobdiff_plain;f=server;h=9c61b7bfa3fe0a2d4194b9cb3def60367efb0d77;hp=79bd15b84e9fe23d72b8e12a9141238f10fe55f4;hb=7432045dad21ff8ee05d071dd24094280b911a5e;hpb=fc0ba433402d7103b351d7742aa20ff62800a0dd diff --git a/server b/server index 79bd15b..9c61b7b 100755 --- 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) @@ -139,13 +147,13 @@ class Client(): def process_request(request, desca): # find client, update config, etc. - metadata = request.args[b'mX'][0] + 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] @@ -155,21 +163,31 @@ 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 - except KeyError: d = b'' + desca['dlen'] = len(d) + except KeyError: + d = b'' + desca['dlen'] = None + + log_http(desca, 'processing', idof=id(request), d=d) + + d = mime_translate(d) cl.process_arriving_data(d) cl.new_request(request) -def log_http(desca, msg): +def log_http(desca, msg, **kwargs): try: - d = desca['d'] + kwargs['d'] = desca['d'] del desca['d'] except KeyError: - d = None - log_debug(DBG.HTTP, msg + repr(desca), d=d) + pass + log_debug(DBG.HTTP, msg + repr(desca), **kwargs) class IphttpResource(twisted.web.resource.Resource): isLeaf = True @@ -181,11 +199,11 @@ class IphttpResource(twisted.web.resource.Resource): try: process_request(request, desca) except Exception as e: emsg = traceback.format_exc() - log_http(desca, 'EXCEPTION ' + emsg) + log_http(desca, 'RETURNING EXCEPTION ' + emsg) request.setHeader('Content-Type','text/plain; charset="utf-8"') request.setResponseCode(400) return (emsg + ' # ' + repr(desca) + '\r\n').encode('utf-8') - log_http(desca, '... [%s]' % id(request)) + log_debug(DBG.HTTP_CTRL, '...', idof=id(request)) return NOT_DONE_YET def render_GET(self, request): @@ -225,6 +243,6 @@ def process_cfg(): common_startup() process_cfg() -start_ipif(c.ipif_command, route) +start_ipif(c.ipif_command, (lambda p,s,d: route(p,"[ipif]",s,d))) start_http() common_run()