U TgI@s8dZddlZzddlmZWnek r0YnXddlmZmZddl m Z m Z ddl m Z mZddlmZddlmZmZdd lmZdd lmZGd d d Zee jGd ddZee je jGdddZddZddZGdddZ d#ddZ!eedddfddZ"ddZ#Gdd d Z$d$d!d"Z%dS)%z0 Utilities and helpers for simulating a network N)Error)directlyProvides implementer)error interfaces)TCP4ClientEndpointTCP4ServerEndpoint)ConnectionRefusedError)FactoryProtocol)MemoryReactorClock)Failurec@s*eZdZddZedddZddZdS) TLSNegotiationcCs||_||_d|_||_dS)NF)obj connectStatesent readyToSend)selfrrr6/tmp/pip-unpacked-wheel-1_7di8ic/twisted/test/iosim.py__init__szTLSNegotiation.__init__returncCsd|jdS)NzTLSNegotiation())rrrrr__repr__!szTLSNegotiation.__repr__cCs"|j|jst|_|dSN)rZ iosimVerifyNativeOpenSSLErrordisconnectReasonloseConnection)rotherZtptrrrpretendToVerify$szTLSNegotiation.pretendToVerifyN)__name__ __module__ __qualname__rstrrr!rrrrrsrc@seZdZdZdS) FakeAddressz] The default address type for the host and peer of L{FakeTransport} connections. N)r"r#r$__doc__rrrrr&-sr&c@seZdZdZeefddZdZdZ dZ e dZ dZdZdZd;ddZed d d Zd d ZddZddZddZddZddZddZddZddZddZd d!Zd"d#Zd$d%Z d&d'Z!d(d)Z"d>zFakeTransport.rzConnection doneNcCsH||_||_g|_||_|dkr*t}||_|dkr>t}||_dS)a @param protocol: This transport will deliver bytes to this protocol. @type protocol: L{IProtocol} provider @param isServer: C{True} if this is the accepting side of the connection, C{False} if it is the connecting side. @type isServer: L{bool} @param hostAddress: The value to return from C{getHost}. L{None} results in a new L{FakeAddress} being created to use as the value. @type hostAddress: L{IAddress} provider or L{None} @param peerAddress: The value to return from C{getPeer}. L{None} results in a new L{FakeAddress} being created to use as the value. @type peerAddress: L{IAddress} provider or L{None} N)protocolisServerstream _nextserialserialr& hostAddress peerAddress)rr.r/r3r4rrrrGs zFakeTransport.__init__rcCs d|jrdpd|j|jjjS)NzFakeTransport<{},{},{}>SC)formatr/r2r. __class__r"rrrrrcs  zFakeTransport.__repr__cCs2|jr dS|jdk r"|j|n |j|dSr) disconnectingtlstlsbufappendr0)rdatarrrwritejs  zFakeTransport.writecCs|jr|js|jdSrproducerstreamingProducerresumeProducingrrrr_checkProducerts zFakeTransport._checkProducercCs||_||_|s|dS)z. From abstract.FileDescriptor Nr?)rr@Z streamingrrrregisterProducerzszFakeTransport.registerProducercCs d|_dSr)r@rrrrunregisterProducersz FakeTransport.unregisterProducercCs||dSr)rErrrrr stopConsumingszFakeTransport.stopConsumingcCs|d|dS)Nr-)r>join)rZiovecrrr writeSequenceszFakeTransport.writeSequencecCs d|_dSNTr9rrrrrszFakeTransport.loseConnectioncCs d|_dS)zp For the time being, this is the same as loseConnection; no buffered data will be lost. TNrJrrrrabortConnectionszFakeTransport.abortConnectioncCs,|jdk rt}n|j}|jt|dSr)r:rrr.ZconnectionLostr )rerrrrrreportDisconnects zFakeTransport.reportDisconnectcCsdS)zM Identify this transport/event source to the logging system. Ziosimrrrrr logPrefixszFakeTransport.logPrefixcCs|jSr)r4rrrrgetPeerszFakeTransport.getPeercCs|jSr)r3rrrrgetHostszFakeTransport.getHostcCsdSrrrrrrrBszFakeTransport.resumeProducingcCsdSrrrrrrpauseProducingszFakeTransport.pauseProducingcCs |dSr)rrrrr stopProducingszFakeTransport.stopProducingTcCs |j|A}t|||_g|_dSr)r/rr:r;)rZcontextFactoryZbeNormalrrrrstartTLSs  zFakeTransport.startTLScCsH|j}|rg|_d|S|jdk r@|jjr:d|j_|jSdSndSdS)z Get the pending writes from this transport, clearing them from the pending buffer. @return: the bytes written with C{transport.write} @rtype: L{bytes} r-NT)r0rGr:rr)rr5rrr getOutBuffers  zFakeTransport.getOutBuffercCstt|trd|jdk st|jjrZ|j||d|_|jd}|_||t|t j qpd|j_ n |j |dSrI) isinstancerr:AssertionErrorrr!r;rHrrZ ISSLTransportrr.Z dataReceived)rbufbrrrbufferReceiveds   zFakeTransport.bufferReceivedcCsdSrrrrrrgetTcpKeepAliveszFakeTransport.getTcpKeepAlivecCsdSrrrrrr getTcpNoDelayszFakeTransport.getTcpNoDelaycCsdSrrrrrrloseWriteConnectionsz!FakeTransport.loseWriteConnectioncCsdSrrrZenabledrrrsetTcpKeepAliveszFakeTransport.setTcpKeepAlivecCsdSrrr]rrr setTcpNoDelayszFakeTransport.setTcpNoDelay)NN)T)+r"r#r$r' staticmethod itertoolscountr1closedr9 disconnectedrZConnectionDonerr@rAr:rr%rr>rCrDrErFrHrrKrMrNrOrPrBrQrRrSrTrYrZr[r\r^r_rrrrr(5sD      r(cCs t|ddS)z Create and return a new in-memory transport hooked up to the given protocol. @param clientProtocol: The client protocol to use. @type clientProtocol: L{IProtocol} provider @return: The transport. @rtype: L{FakeTransport} Fr/r()clientProtocolrrrmakeFakeClients rhcCs t|ddS)z Create and return a new in-memory transport hooked up to the given protocol. @param serverProtocol: The server protocol to use. @type serverProtocol: L{IProtocol} provider @return: The transport. @rtype: L{FakeTransport} Trerf)serverProtocolrrrmakeFakeServer s rjc@s.eZdZdZd ddZd ddZd d d ZdS)IOPumpz Utility to pump data between clients and servers for protocol testing. Perhaps this is a utility worthy of being in protocol.py? NcCs6||_||_||_||_||_|dkr,t}||_dSr)clientserverclientIOserverIOdebugr clock)rrlrmrnrorprqrrrrszIOPump.__init__FTcCs8d}tdD]}|||r"d}q q4q ds4td|S)zk Pump until there is no more input or output. Returns whether any data was moved. FiTrzToo long)rangepumprV)rrp advanceClockresult_rrrflush(s   z IOPump.flushcCs<|r|jd|js|r"td|j}|j}|j|j|jsT|rtd|rptdt||rtdt||r|j ||r|j ||s|rdS|jj r|jj s|js|rtdd|j_ d|j_ |j dS|jj r8|jj s8|js|rtdd|j_ d|j_ |j dSd S) z Move data back and forth, while also triggering any currently pending scheduled calls (i.e. C{callLater(0, f)}). Returns whether any data was moved. rz -- GLUG --.zC: zS: Tz* Cz* SF) rqZadvancerpprintrorTrnrCreprrYr9rdrM)rrprtZsDataZcDatarrrrs8sF            z IOPump.pump)N)FT)FT)r"r#r$r'rrwrsrrrrrks rkFTcCs8||||t||||||d}|r4||S)a Create a new L{IOPump} connecting two protocols. @param serverProtocol: The protocol to use on the accepting side of the connection. @type serverProtocol: L{IProtocol} provider @param serverTransport: The transport to associate with C{serverProtocol}. @type serverTransport: L{FakeTransport} @param clientProtocol: The protocol to use on the initiating side of the connection. @type clientProtocol: L{IProtocol} provider @param clientTransport: The transport to associate with C{clientProtocol}. @type clientTransport: L{FakeTransport} @param debug: A flag indicating whether to log information about what the L{IOPump} is doing. @type debug: L{bool} @param greet: Should the L{IOPump} be L{flushed } once before returning to put the protocols into their post-handshake or post-server-greeting state? @type greet: L{bool} @param clock: An optional L{Clock}. Pumping the resulting L{IOPump} will also increase clock time by a small increment. @return: An L{IOPump} which connects C{serverProtocol} and C{clientProtocol} and delivers bytes between them when it is pumped. @rtype: L{IOPump} rq)ZmakeConnectionrkrw)riserverTransportrgclientTransportrpgreetrqrsrrrconnectes*  rc Cs8|}|}||} ||} ||t|| || |||dfS)a Connect a given server and client class to each other. @param ServerClass: a callable that produces the server-side protocol. @type ServerClass: 0-argument callable returning L{IProtocol} provider. @param ClientClass: like C{ServerClass} but for the other side of the connection. @type ClientClass: 0-argument callable returning L{IProtocol} provider. @param clientTransportFactory: a callable that produces the transport which will be attached to the protocol returned from C{ClientClass}. @type clientTransportFactory: callable taking (L{IProtocol}) and returning L{FakeTransport} @param serverTransportFactory: a callable that produces the transport which will be attached to the protocol returned from C{ServerClass}. @type serverTransportFactory: callable taking (L{IProtocol}) and returning L{FakeTransport} @param debug: Should this dump an escaped version of all traffic on this connection to stdout for inspection? @type debug: L{bool} @param greet: Should the L{IOPump} be L{flushed } once before returning to put the protocols into their post-handshake or post-server-greeting state? @type greet: L{bool} @param clock: An optional L{Clock}. 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