// attached in InterceptTxnHook, so the continuation data is


    // the TSHttpTxn pointer.


    VDEBUG("allocated server intercept state istate=%p for txn=%p", istate, cdata.txn);


    // Set up a connection to our real origin, which will be


    // 127.0.0.1:$PORT.


    memset(&addr, 0, sizeof(addr));


    addr.sin.sin_family      = AF_INET;


    addr.sin.sin_addr.s_addr = htonl(INADDR_LOOPBACK); // XXX config option


    addr.sin.sin_port        = htons(PORT);            // XXX config option


    // Normally, we would use TSNetConnect to connect to a secondary service, but to demonstrate


    // the use of TSVConnFdCreate, we do a blocking connect inline. This it not recommended for


    // production plugins, since it might block an event thread for an arbitrary time.


    fd = ::socket(PF_INET, SOCK_STREAM, IPPROTO_TCP);


    TSReleaseAssert(fd != -1);


    if (::connect(fd, &addr.sa, sizeof(addr.sin)) == -1) {


      // We failed to connect to the intercepted origin. Abort the


      // server intercept since we cannot handle it.


      VDEBUG("connect failed with %s (%d)", strerror(errno), errno);


      TSVConnAbort(arg.vc, TS_VC_CLOSE_ABORT);


      delete istate;


      TSContDestroy(contp);


      ::close(fd);


      return TS_EVENT_NONE;


    }


    if ((istate->server.vc = TSVConnFdCreate(fd)) == nullptr) {


      VDEBUG("TSVconnFdCreate() failed");


      TSVConnAbort(arg.vc, TS_VC_CLOSE_ABORT);


      delete istate;


      TSContDestroy(contp);


      ::close(fd);


      return TS_EVENT_NONE;


    }


    VDEBUG("binding client vc=%p to %s:%u", istate->client.vc, inet_ntop(AF_INET, &addr.sin.sin_addr, buf, sizeof(buf)),


           (unsigned)ntohs(addr.sin.sin_port));


    istate->txn       = cdata.txn;


    istate->client.vc = arg.vc;


    // Reset the continuation data to be our intercept state


    // block. We will need this so that we can access both of the