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169 lines
6.8 KiB
C++
169 lines
6.8 KiB
C++
// Ryzom - MMORPG Framework <http://dev.ryzom.com/projects/ryzom/>
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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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#ifndef FILE_RECEIVER_H
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#define FILE_RECEIVER_H
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//-----------------------------------------------------------------------------
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// includes
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//-----------------------------------------------------------------------------
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// game share
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//#include "game_share/deployment_configuration.h"
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// local
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#include "module_admin_itf.h"
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#include "administered_module.h"
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//-----------------------------------------------------------------------------
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// namespace PATCHMAN
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//-----------------------------------------------------------------------------
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namespace PATCHMAN
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{
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//-----------------------------------------------------------------------------
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// class CFileReceiver
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//-----------------------------------------------------------------------------
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class CFileReceiver:
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public PATCHMAN::CFileReceiverSkel
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{
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public:
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// stuff for the derived class to hook up ---------------------------------
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// ctor & init
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CFileReceiver();
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void init(NLNET::IModule* parent,const std::string& fileSpec="*/*");
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// CModuleBase specialisation implementation
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void onModuleUp(NLNET::IModuleProxy *module);
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void onModuleDown(NLNET::IModuleProxy *module);
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void onModuleUpdate();
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const std::string &getModuleManifest() const;
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public:
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// handy types ------------------------------------------------------------
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typedef NLNET::IModuleProxy* TProxyPtr;
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typedef std::map<TProxyPtr,SFileInfo> TFileRequestMatches;
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// remaining public interface ---------------------------------------------
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// send off a request for a file... the request will come back via the callbacks below
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void requestFile(const std::string &fileName);
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// lookup info on a particular file
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bool getSingleFileInfo(const std::string &fileName,SFileInfo& fileInfo) const;
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// lookup info on all files matching a given file spec
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void getFileInfo(const std::string &fileSpec,TFileInfoVector& result) const;
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// status info accessors
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bool haveIdleProxies() const;
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// a handy status dump method
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void dump(NLMISC::CLog& log) const;
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// a handy method to dump the set of files matching a given spec to the given log
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void dumpFileInfo(const std::string &fileSpec,NLMISC::CLog& log) const;
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// overloadable callback methods ------------------------------------------
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// The following method is called to allow user to invalidate matches for
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// a file request that they have made
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// entries can simply be erased from the requestMatches container
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// it is valid for the container to be empty on exit
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virtual void cbValidateRequestMatches(TFileRequestMatches& requestMatches) {}
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// the following callback is called after a file has been successfully downloaded
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virtual void cbFileDownloadSuccess(const NLMISC::CSString& fileName,const NLMISC::CMemStream& data) {}
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// the following callback is called after a file download has failed
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// note that the system will not try re-downloading from the same emitter
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// unless the emitter sends us a file update at a later date re-iterating
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// the valisdity of their file (we assume the file has been deleted)
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// if another emitter claims to be able to deliver the file then the
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// system will retry automatically (no need for an extra retry request
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// to be generated here)
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virtual void cbRetryAfterFileDownloadFailure(const NLMISC::CSString& fileName) {}
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// the following callback is called after a new information record is recieved for a file
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// the information change may be either addition, deletion or info change for the given file from a given proxy
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// this can be the addition of an extra proxy providing the same info as other existing proxies
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virtual void cbFileInfoChange(const NLMISC::CSString& fileName) {}
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protected:
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// protected methods - for treating incoming messages ---------------------
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void setupSubscriptions(NLNET::IModuleProxy *sender);
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void cbFileInfo(NLNET::IModuleProxy *sender, const TFileInfoVector &files);
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void cbFileData(NLNET::IModuleProxy *sender, const std::string &fileName, uint32 startOffset, const NLNET::TBinBuffer &data);
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void cbFileDataFailure(NLNET::IModuleProxy *sender, const std::string &fileName);
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private:
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// private data -----------------------------------------------------------
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NLNET::IModule* _Parent;
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NLMISC::CSString _FileSpec;
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CAdministeredModuleWrapper _AdministeredModuleWrapper;
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// some handy data types
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struct SFileRequest: public NLMISC::CRefCount
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{
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NLMISC::CSString FileName;
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NLMISC::CSString DataSoFar;
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TProxyPtr Emitter;
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uint32 ExpectedFileSize;
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uint32 TotalDataRequested;
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SFileRequest(): Emitter(NULL), ExpectedFileSize(0), TotalDataRequested(0) {}
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};
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typedef NLMISC::CSmartPtr<SFileRequest> TFileRequestPtr;
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typedef std::list<TFileRequestPtr> TFileRequests;
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// queued file requests
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TFileRequests _FileRequests; // vector of files that need to be downloaded from RE module
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// connected proxies
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struct SProxyInfo
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{
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TProxyPtr Proxy; // the proxy id
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TFileInfoMap FileInfo; // the set of files reported by the proxy
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TFileRequestPtr CurrentRequest; // the request that the proxy is treating right now
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};
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typedef std::map<TProxyPtr,SProxyInfo> TProxies;
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TProxies _Proxies;
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// private methods --------------------------------------------------------
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void _log(const NLMISC::CSString& msg) const;
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void _logError(const NLMISC::CSString& msg) const;
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void _logState(const NLMISC::CSString& state) const;
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void _downloadLog(const NLMISC::CSString& fileName,uint32 bytesSoFar, uint32 bytesExpected) const;
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void _clearDownloadLog(const NLMISC::CSString& fileName) const;
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void _requestFile(TFileRequestPtr theRequest);
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void _treatBrokenFileRequest(TFileRequestPtr theRequest);
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void _dealWithReceivedFile(TProxyPtr sender,TFileRequestPtr theRequest,const NLNET::TBinBuffer& data);
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void _lookForNewJob(SProxyInfo& theProxy);
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};
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} // end of namespace
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//-----------------------------------------------------------------------------
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#endif
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