X-Git-Url: https://git.distorted.org.uk/~mdw/hippotat/blobdiff_plain/19f5f9b5e629954e3917cb8fa47506145c04fb28..8d374606ca84ba38d068daa4d077bce5fd337e18:/server diff --git a/server b/server index 3bfbc42..52d83b5 100755 --- a/server +++ b/server @@ -12,8 +12,6 @@ from twisted.web.server import NOT_DONE_YET import syslog -import traceback - clients = { } #---------- "router" ---------- @@ -26,7 +24,7 @@ def route(packet, iface, saddr, daddr): if dclient is not None: lt('client') dclient.queue_outbound(packet) - elif daddr == c.server or daddr not in c.network: + elif daddr == c.vaddr or daddr not in c.vnetwork: lt('inbound') queue_inbound(packet) elif daddr == relay: @@ -39,28 +37,20 @@ def route(packet, iface, saddr, daddr): #---------- client ---------- class Client(): - def __init__(self, ip, cs, pw): + def __init__(self, ip, cc): # instance data members self._ip = ip - self._cs = cs - self.pw = pw + self.cc = cc self._rq = collections.deque() # requests # self._pq = PacketQueue(...) # plus from config: # .max_batch_down # .max_queue_time - # .max_request_time # .target_requests_outstanding - if ip not in c.network: + if ip not in c.vnetwork: raise ValueError('client %s not in network' % ip) - for k in ('max_batch_down','max_queue_time','max_request_time', - 'target_requests_outstanding'): - req = cfg.getint(cs, k) - limit = cfg.getint('limits',k) - self.__dict__[k] = min(req, limit) - self._pq = PacketQueue(str(ip), self.max_queue_time) if ip in clients: @@ -93,13 +83,24 @@ 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 +124,7 @@ 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 +142,11 @@ 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 +156,9 @@ 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 @@ -165,6 +169,8 @@ def process_request(request, desca): log_http(desca, 'processing', idof=id(request), d=d) + d = mime_translate(d) + cl.process_arriving_data(d) cl.new_request(request) @@ -186,7 +192,7 @@ 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') @@ -207,29 +213,39 @@ def start_http(): #---------- config and setup ---------- -def process_cfg(): - process_cfg_common_always() - process_cfg_server() - process_cfg_network() +def process_cfg(putative_servers, putative_clients): + global c + c = ConfigResults() + c.server = cfg.get('SERVER','server') + + cfg_process_common(c, c.server) + cfg_process_saddrs(c, c.server) + cfg_process_vnetwork(c, c.server) + cfg_process_vaddr(c, c.server) + + for (ci,cs) in putative_clients.items(): + cc = ConfigResults() + sections = cfg_process_client_common(cc,c.server,cs,ci): + if not sections: continue + cfg_process_client_limited(cc,c.server,sections, 'max_batch_down') + cfg_process_client_limited(cc,c.server,sections, 'max_queue_time') + Client(ci) try: - c.relay = cfg.get('virtual','relay') + c.relay = cfg.get(c.server, 'relay') except NoOptionError: - for search in c.network.hosts(): - if search == c.server: continue + for search in c.vnetwork.hosts(): + if search == c.vaddr: continue c.relay = search break - process_cfg_saddrs() - process_cfg_clients(Client) - - process_cfg_ipif('server', - (('local','server'), - ('peer', 'relay'), - ('rnets','network'))) + cfg_process_ipif(c, + [c.server, 'DEFAULT'], + (('local','vaddr'), + ('peer', 'vrelay'), + ('rnets','vnetwork'))) -common_startup() -process_cfg() -start_ipif(c.ipif_command, route) +common_startup(process_cfg) +start_ipif(c.ipif_command, (lambda p,s,d: route(p,"[ipif]",s,d))) start_http() common_run()