mirror of
https://github.com/RetroShare/RetroShare.git
synced 2025-01-21 12:51:09 -05:00
5e691935fd
Bugfixes and a couple of small improvements to the DHT code.
* fixed up buggy overloading for the udplayer (for testing).
* added processing multiple (5) remote processes per tick.
- (1 wasn't enough in testing, and led to dropped peers)
* removed unused variables from query data structure.
* #defined out debugging in bdSpace, removed old functions.
* More agressive attempts to find proxies for connections.
* made "final query attempt" use exact peer address rather than midid.
- mid id meant that the target wasn't always returned.
* tweaked bdconnection debugging.
* increase CONNECTION_MAX_TIMEOUT from 30 => 45. wasn't enough!
* Limited bdQuery::QueryIdlePeriod to 15min (was unlimited).
* added bdQuery::PotentialPeer cleanup functions - for more robust reporting.
* fixed bdQuery debugging printouts.
* Implemented BITDHT_QFLAGS_UPDATES flag.
git-svn-id: http://svn.code.sf.net/p/retroshare/code/trunk@4398 b45a01b8-16f6-495d-af2f-9b41ad6348cc
197 lines
5.7 KiB
C++
197 lines
5.7 KiB
C++
#ifndef BITDHT_MANAGER_H
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#define BITDHT_MANAGER_H
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/*
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* bitdht/bdmanager.h
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*
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* BitDHT: An Flexible DHT library.
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*
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* Copyright 2010 by Robert Fernie
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License Version 3 as published by the Free Software Foundation.
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*
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* This library 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 GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
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* USA.
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*
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* Please report all bugs and problems to "bitdht@lunamutt.com".
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*
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*/
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/*******
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* Node Manager.
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******/
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/******************************************
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* 1) Maintains a list of ids to search for.
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* 2) Sets up initial search for own node.
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* 3) Checks on status of queries.
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* 4) Callback on successful searches.
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*
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* This is pretty specific to RS requirements.
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****/
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#define BITDHT_PS_MASK_ACTIONS (0x000000ff)
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#define BITDHT_PS_MASK_STATE (0x0000ff00)
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#define BITDHT_PS_ACTION_SEARCHING (0x00000001)
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#define BITDHT_PS_ACTION_WAITING (0x00000002)
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#define BITDHT_PS_ACTION_PINGING (0x00000004)
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#define BITDHT_PS_STATE_UNKNOWN (0x00000100)
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#define BITDHT_PS_STATE_OFFLINE (0x00000200)
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#define BITDHT_PS_STATE_ONLINE (0x00000400)
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#define BITDHT_PS_STATE_CONNECTED (0x00000800)
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#include "bitdht/bdiface.h"
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#include "bitdht/bdnode.h"
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#include "util/bdbloom.h"
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class bdQueryPeer
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{
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public:
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bdId mId;
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uint32_t mStatus;
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uint32_t mQFlags;
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//time_t mLastQuery;
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//time_t mLastFound;
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struct sockaddr_in mDhtAddr;
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time_t mCallbackTS; // for UPDATES flag.
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};
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#define BITDHT_MGR_STATE_OFF 0
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#define BITDHT_MGR_STATE_STARTUP 1
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#define BITDHT_MGR_STATE_FINDSELF 2
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#define BITDHT_MGR_STATE_ACTIVE 3
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#define BITDHT_MGR_STATE_REFRESH 4
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#define BITDHT_MGR_STATE_QUIET 5
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#define BITDHT_MGR_STATE_FAILED 6
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#define MAX_STARTUP_TIME 10
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#define MAX_REFRESH_TIME 10
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#define BITDHT_MGR_QUERY_FAILURE 1
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#define BITDHT_MGR_QUERY_PEER_OFFLINE 2
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#define BITDHT_MGR_QUERY_PEER_UNREACHABLE 3
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#define BITDHT_MGR_QUERY_PEER_ONLINE 4
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/*** NB: Nothing in here is protected by mutexes
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* must be done at a higher level!
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***/
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class bdNodeManager: public bdNode, public BitDhtInterface
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{
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public:
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bdNodeManager(bdNodeId *id, std::string dhtVersion, std::string bootfile, bdDhtFunctions *fns);
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void iteration();
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/***** Functions to Call down to bdNodeManager ****/
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/* Request DHT Peer Lookup */
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/* Request Keyword Lookup */
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virtual void addFindNode(bdNodeId *id, uint32_t mode);
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virtual void removeFindNode(bdNodeId *id);
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virtual void findDhtValue(bdNodeId *id, std::string key, uint32_t mode);
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/***** Add / Remove Callback Clients *****/
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virtual void addCallback(BitDhtCallback *cb);
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virtual void removeCallback(BitDhtCallback *cb);
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/***** Get Results Details *****/
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virtual int getDhtPeerAddress(const bdNodeId *id, struct sockaddr_in &from);
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virtual int getDhtValue(const bdNodeId *id, std::string key, std::string &value);
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virtual int getDhtBucket(const int idx, bdBucket &bucket);
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virtual int getDhtQueries(std::map<bdNodeId, bdQueryStatus> &queries);
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virtual int getDhtQueryStatus(const bdNodeId *id, bdQuerySummary &query);
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/***** Connection Interface ****/
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virtual void ConnectionRequest(struct sockaddr_in *laddr, bdNodeId *target, uint32_t mode, uint32_t start);
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virtual void ConnectionAuth(bdId *srcId, bdId *proxyId, bdId *destId,
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uint32_t mode, uint32_t loc, uint32_t answer);
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virtual void ConnectionOptions(uint32_t allowedModes, uint32_t flags);
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/* stats and Dht state */
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virtual int startDht();
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virtual int stopDht();
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virtual int stateDht(); /* STOPPED, STARTING, ACTIVE, FAILED */
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virtual uint32_t statsNetworkSize();
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virtual uint32_t statsBDVersionSize(); /* same version as us! */
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/******************* Internals *************************/
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// Overloaded from bdnode for external node callback.
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virtual void addPeer(const bdId *id, uint32_t peerflags);
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// Overloaded from bdnode for external node callback.
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virtual void callbackConnect(bdId *srcId, bdId *proxyId, bdId *destId,
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int mode, int point, int cbtype, int errcode);
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int isBitDhtPacket(char *data, int size, struct sockaddr_in &from);
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private:
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void doNodeCallback(const bdId *id, uint32_t peerflags);
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void doPeerCallback(const bdId *id, uint32_t status);
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void doValueCallback(const bdNodeId *id, std::string key, uint32_t status);
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int status();
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int checkStatus();
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int checkPingStatus();
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int SearchOutOfDate();
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void startQueries();
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int QueryRandomLocalNet();
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void SearchForLocalNet();
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std::map<bdNodeId, bdQueryPeer> mActivePeers;
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std::list<BitDhtCallback *> mCallbacks;
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uint32_t mMode;
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time_t mModeTS;
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time_t mStartTS;
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time_t mSearchTS;
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bool mSearchingDone;
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bdDhtFunctions *mFns;
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uint32_t mNetworkSize;
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uint32_t mBdNetworkSize;
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bdBloom mBloomFilter;
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/* future node functions */
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//addPeerPing(foundId);
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//clearPing(it->first);
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//PingStatus(it->first);
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};
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class bdDebugCallback: public BitDhtCallback
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{
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public:
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~bdDebugCallback();
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virtual int dhtPeerCallback(const bdId *id, uint32_t status);
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virtual int dhtValueCallback(const bdNodeId *id, std::string key, uint32_t status);
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virtual int dhtConnectCallback(const bdId *srcId, const bdId *proxyId, const bdId *destId,
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uint32_t mode, uint32_t point, uint32_t cbtype, uint32_t errcode);
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};
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#endif
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