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321 lines
7.8 KiB
C++
321 lines
7.8 KiB
C++
// NeL - MMORPG Framework <http://dev.ryzom.com/projects/nel/>
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// Copyright (C) 2010 Winch Gate Property Limited
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//
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Affero General Public License as
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// published by the Free Software Foundation, either version 3 of the
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// License, or (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU Affero General Public License for more details.
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//
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// You should have received a copy of the GNU Affero General Public License
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// along with this program. If not, see <http://www.gnu.org/licenses/>.
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/*
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* Layer 5 and Service example, front-end server.
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*
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* This front-end server expects pings, and forward them to
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* the real ping server. When the ping server sends a pong back,
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* the front-end server forwards it to the client.
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*
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* Even if the connection to the ping server is broken, our
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* front-end server will keep storing the ping messages and
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* will forward them when the connection is restored.
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*
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* To run this program, ensure there is a file "frontend_service.cfg"
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* containing the location of the naming service (NSHost, NSPort)
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* in the working directory. The naming service must be running.
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*/
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// We're using the NeL Service framework and layer 5.
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#include "nel/net/service.h"
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#include "nel/misc/time_nl.h"
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#include "nel/misc/displayer.h"
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#include "nel/misc/command.h"
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#include "nel/misc/hierarchical_timer.h"
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#include "nel/misc/bit_mem_stream.h"
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#include <deque>
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using namespace std;
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using namespace NLNET;
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using namespace NLMISC;
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//
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TTime pingDate;
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/*
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* Callback function called when receiving a "PONG" message
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*
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* Arguments:
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* - msgin: the incoming message (coming from the ping server)
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* - from: the "sockid" of the sender (usually useless for a CCallbackClient)
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* - clientofthepingserver: the CCallbackNetBase object (which really is a CCallbackClient object)
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*
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* Input (expected message from the ping server): PONG
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* - uint32: ping counter
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* - TSockId: "sock id" of the client who sent the ping
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*
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* Output (sent message to a client): PONG
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* - uint32: ping counter
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*/
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void cbPong(CMessage &msgin, const std::string &serviceName, TServiceId sid)
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{
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uint32 counter;
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msgin.serial( counter );
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TTime pingTime = CTime::getLocalTime()-pingDate;
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nlinfo("Received PONG %u (%u ms)", counter, pingTime);
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}
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void sendPing()
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{
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pingDate = CTime::getLocalTime();
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uint32 counter = 0;
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CMessage msgout("PING");
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msgout.serial( counter );
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nlinfo( "Send PING 0");
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CUnifiedNetwork::getInstance()->send("PS", msgout);
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}
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//
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void cbPos(CMessage &msgin, const std::string &serviceName, TServiceId sid)
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{
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// decode the message
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TCPUCycle v1 = CTime::getPerformanceTime ();
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uint32 nbid;
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msgin.serial (nbid);
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for (uint i = 0; i < nbid; i++)
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{
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uint64 id;
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msgin.serial (id);
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}
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TCPUCycle v2 = CTime::getPerformanceTime ();
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nlinfo("Received POS from %s (serial: %.2fs)", serviceName.c_str(), CTime::ticksToSecond(v2-v1));
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}
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TTime t = 0;
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void sendRequestVision ()
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{
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// nlSleep (1000);
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CMessage msgout("ASK_VISION");
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CUnifiedNetwork::getInstance()->send("GPMS", msgout);
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nlinfo ("ask a new vision");
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t = CTime::getLocalTime ();
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}
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void cbVision(CMessage &msgin, const std::string &serviceName, TServiceId sid)
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{
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uint32 NbValue;
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uint32 Value;
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t = CTime::getLocalTime() - t;
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//H_BEFORE (Vision);
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TCPUCycle v1 = CTime::getPerformanceTime ();
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//H_BEFORE (serial);
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msgin.serial (NbValue);
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//H_AFTER (serial);
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//H_BEFORE (serials);
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for (uint i = 0; i < NbValue; i++)
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msgin.serial( Value );
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//H_AFTER (serials);
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TCPUCycle v2 = CTime::getPerformanceTime ();
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nlinfo("%dms of lag, Received Vision with %d values in %.2fms", (uint32) t, NbValue, CTime::ticksToSecond (v2-v1)*1000.0f);
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// sendRequestVision();
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//H_AFTER (Vision);
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}
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void sendPos()
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{
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nlinfo("Simulate receive pos from client, send POS to GPMS");
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CMessage msgout("POS");
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CUnifiedNetwork::getInstance()->send("GPMS", msgout);
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}
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//
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void cbUpGPMS(const std::string &serviceName, TServiceId sid, void *arg)
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{
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nlinfo( "GPMS connecting.");
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sendRequestVision ();
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}
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//
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void cbUpPS(const std::string &serviceName, TServiceId sid, void *arg)
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{
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nlinfo( "Ping Service connecting.");
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sendPing();
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}
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void cbDownPS(const std::string &serviceName, TServiceId sid, void *arg)
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{
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nlinfo( "Ping Service disconnecting." );
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}
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//
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void cbUpService(const std::string &serviceName, TServiceId sid, void *arg)
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{
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nlinfo("Service %s %d is up", serviceName.c_str(), sid.get());
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}
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void cbDownService(const std::string &serviceName, TServiceId sid, void *arg)
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{
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nlinfo("Service %s %d is down", serviceName.c_str(), sid.get());
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}
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/*
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* Callback array for message received from the ping service
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*/
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NLNET::TUnifiedCallbackItem CallbackArray[] =
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{
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{ "POS", cbPos },
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{ "PONG", cbPong },
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{ "VISION", cbVision }
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};
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/*
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* CFrontEndService, based on IService
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*/
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class CFrontEndService : public NLNET::IService
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{
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public:
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bool update()
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{
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static TTime lastPing = CTime::getLocalTime();
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static TTime lastGetPos = CTime::getLocalTime();
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TTime ctime = CTime::getLocalTime();
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// check vision every 2 seconds
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if (ctime - lastPing> 2000)
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{
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sendRequestVision();
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lastPing = ctime;
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}
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/*
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// check ping every 15 seconds
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if (ctime - lastPing> 15000)
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{
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sendPing();
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lastPing = ctime;
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}
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// do as if receive a position every second
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if (ctime - lastGetPos > 1000)
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{
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sendPos();
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lastGetPos = ctime;
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}
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*/
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return true;
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}
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/*
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* Initialization
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*/
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void init()
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{
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/* uint32 u = 0xFFFFFFFF;
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uint32 z = 0;
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uint32 res = 0;
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CBitMemStream bms2;
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bms2.serial (u, 1);
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bms2.serial (z, 18);
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bms2.serial (u, 4);
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bms2.serial (z, 3);
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nlinfo ("len %d", bms2.length());
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bms2.invert ();
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nlinfo ("len %d", bms2.length());
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bms2.invert ();
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nlinfo ("len %d", bms2.length());
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*/
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/* CBitMemStream bms;
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nlinfo ("len %d", bms.length());
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bms.serial (u, 1);
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bms.serial (z, 18);
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bms.serial (u, 4);
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bms.serial (z, 3);
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bms.serial (u, 30);
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nlinfo ("len %d", bms.length());
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bms.clear ();
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nlinfo ("len %d", bms.length());
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bms.serial (z, 1);
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bms.serial (u, 18);
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bms.serial (z, 4);
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bms.serial (u, 3);
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bms.serial (z, 30);
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nlinfo ("len %d", bms.length());
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vector<uint32> cont;
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for(uint i=0;i<32;i++) cont.push_back(i);
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bms.serialCont (cont);
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nlinfo ("len %d", bms.length());
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bms.invert ();
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nlinfo ("len %d", bms.length());
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while (bms.getPosInBit() != 30+3+4+18+1)
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{
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nlinfo ("%d", bms.getPosInBit());
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bms.serial (res, 1);
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nlinfo ((res==0)?"0":"1");
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}
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nlinfo ("%d", bms.getPosInBit());
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vector<uint32> cont2;
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bms.serialCont (cont2);
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nlinfo ("%d", bms.getPosInBit());
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for(uint j=0;j<cont2.size();j++) nlinfo ("const %d %d",j, cont2[j]);
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nlinfo ("%d", bms.getPosInBit());
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*/
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// Connect to the ping service
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NLNET::CUnifiedNetwork *instance = NLNET::CUnifiedNetwork::getInstance();
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instance->setServiceUpCallback("PS", cbUpPS, NULL);
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instance->setServiceDownCallback("PS", cbDownPS, NULL);
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instance->setServiceUpCallback("GPMS", cbUpGPMS, NULL);
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instance->setServiceUpCallback("*", cbUpService, NULL);
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instance->setServiceDownCallback("*", cbDownService, NULL);
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}
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};
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/*
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* Declare a service with the class CFrontEndService, the names "FS" (short) and "frontend_service" (long).
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* The port is set to 37000 and the main callback array is CallbackArray.
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*/
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NLNET_SERVICE_MAIN( CFrontEndService, "FS", "frontend_service", 37000, CallbackArray, "", "" )
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