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-rw-r--r--src/db.cpp896
1 files changed, 254 insertions, 642 deletions
diff --git a/src/db.cpp b/src/db.cpp
index 2a09e2e67..e494d28e3 100644
--- a/src/db.cpp
+++ b/src/db.cpp
@@ -1,21 +1,24 @@
// Copyright (c) 2009-2010 Satoshi Nakamoto
// Copyright (c) 2009-2012 The Bitcoin developers
// Distributed under the MIT/X11 software license, see the accompanying
-// file license.txt or http://www.opensource.org/licenses/mit-license.php.
+// file COPYING or http://www.opensource.org/licenses/mit-license.php.
-#include "headers.h"
#include "db.h"
-#include "net.h"
+#include "util.h"
+#include "main.h"
#include <boost/version.hpp>
#include <boost/filesystem.hpp>
#include <boost/filesystem/fstream.hpp>
+#ifndef WIN32
+#include "sys/stat.h"
+#endif
+
using namespace std;
using namespace boost;
unsigned int nWalletDBUpdated;
-uint64 nAccountingEntryNumber = 0;
@@ -23,14 +26,9 @@ uint64 nAccountingEntryNumber = 0;
// CDB
//
-static CCriticalSection cs_db;
-static bool fDbEnvInit = false;
-DbEnv dbenv(0);
-static map<string, int> mapFileUseCount;
-static map<string, Db*> mapDb;
-static int64 nTxn = 0;
+CDBEnv bitdb;
-static void EnvShutdown()
+void CDBEnv::EnvShutdown()
{
if (!fDbEnvInit)
return;
@@ -44,24 +42,79 @@ static void EnvShutdown()
{
printf("EnvShutdown exception: %s (%d)\n", e.what(), e.get_errno());
}
- DbEnv(0).remove(GetDataDir().c_str(), 0);
+ DbEnv(0).remove(GetDataDir().string().c_str(), 0);
}
-class CDBInit
+CDBEnv::CDBEnv() : dbenv(0)
{
-public:
- CDBInit()
- {
- }
- ~CDBInit()
- {
- EnvShutdown();
- }
}
-instance_of_cdbinit;
+
+CDBEnv::~CDBEnv()
+{
+ EnvShutdown();
+}
+
+void CDBEnv::Close()
+{
+ EnvShutdown();
+}
+
+bool CDBEnv::Open(boost::filesystem::path pathEnv_)
+{
+ if (fDbEnvInit)
+ return true;
+
+ if (fShutdown)
+ return false;
+
+ pathEnv = pathEnv_;
+ filesystem::path pathDataDir = pathEnv;
+ filesystem::path pathLogDir = pathDataDir / "database";
+ filesystem::create_directory(pathLogDir);
+ filesystem::path pathErrorFile = pathDataDir / "db.log";
+ printf("dbenv.open LogDir=%s ErrorFile=%s\n", pathLogDir.string().c_str(), pathErrorFile.string().c_str());
+
+ unsigned int nEnvFlags = 0;
+ if (GetBoolArg("-privdb", true))
+ nEnvFlags |= DB_PRIVATE;
+
+ int nDbCache = GetArg("-dbcache", 25);
+ dbenv.set_lg_dir(pathLogDir.string().c_str());
+ dbenv.set_cachesize(nDbCache / 1024, (nDbCache % 1024)*1048576, 1);
+ dbenv.set_lg_bsize(1048576);
+ dbenv.set_lg_max(10485760);
+ dbenv.set_lk_max_locks(10000);
+ dbenv.set_lk_max_objects(10000);
+ dbenv.set_errfile(fopen(pathErrorFile.string().c_str(), "a")); /// debug
+ dbenv.set_flags(DB_AUTO_COMMIT, 1);
+ dbenv.set_flags(DB_TXN_WRITE_NOSYNC, 1);
+ dbenv.log_set_config(DB_LOG_AUTO_REMOVE, 1);
+ int ret = dbenv.open(pathDataDir.string().c_str(),
+ DB_CREATE |
+ DB_INIT_LOCK |
+ DB_INIT_LOG |
+ DB_INIT_MPOOL |
+ DB_INIT_TXN |
+ DB_THREAD |
+ DB_RECOVER |
+ nEnvFlags,
+ S_IRUSR | S_IWUSR);
+ if (ret > 0)
+ return error("CDB() : error %d opening database environment", ret);
+
+ fDbEnvInit = true;
+ return true;
+}
+
+void CDBEnv::CheckpointLSN(std::string strFile)
+{
+ dbenv.txn_checkpoint(0, 0, 0);
+ dbenv.lsn_reset(strFile.c_str(), 0);
+}
-CDB::CDB(const char* pszFile, const char* pszMode) : pdb(NULL)
+CDB::CDB(const char *pszFile, const char* pszMode) :
+ pdb(NULL), activeTxn(NULL)
{
int ret;
if (pszFile == NULL)
@@ -73,48 +126,17 @@ CDB::CDB(const char* pszFile, const char* pszMode) : pdb(NULL)
if (fCreate)
nFlags |= DB_CREATE;
- CRITICAL_BLOCK(cs_db)
{
- if (!fDbEnvInit)
- {
- if (fShutdown)
- return;
- string strDataDir = GetDataDir();
- string strLogDir = strDataDir + "/database";
- filesystem::create_directory(strLogDir.c_str());
- string strErrorFile = strDataDir + "/db.log";
- printf("dbenv.open strLogDir=%s strErrorFile=%s\n", strLogDir.c_str(), strErrorFile.c_str());
-
- int nDbCache = GetArg("-dbcache", 25);
- dbenv.set_lg_dir(strLogDir.c_str());
- dbenv.set_cachesize(nDbCache / 1024, (nDbCache % 1024)*1048576, 1);
- dbenv.set_lg_bsize(1048576);
- dbenv.set_lg_max(10485760);
- dbenv.set_lk_max_locks(10000);
- dbenv.set_lk_max_objects(10000);
- dbenv.set_errfile(fopen(strErrorFile.c_str(), "a")); /// debug
- dbenv.set_flags(DB_AUTO_COMMIT, 1);
- dbenv.log_set_config(DB_LOG_AUTO_REMOVE, 1);
- ret = dbenv.open(strDataDir.c_str(),
- DB_CREATE |
- DB_INIT_LOCK |
- DB_INIT_LOG |
- DB_INIT_MPOOL |
- DB_INIT_TXN |
- DB_THREAD |
- DB_RECOVER,
- S_IRUSR | S_IWUSR);
- if (ret > 0)
- throw runtime_error(strprintf("CDB() : error %d opening database environment", ret));
- fDbEnvInit = true;
- }
+ LOCK(bitdb.cs_db);
+ if (!bitdb.Open(GetDataDir()))
+ throw runtime_error("env open failed");
strFile = pszFile;
- ++mapFileUseCount[strFile];
- pdb = mapDb[strFile];
+ ++bitdb.mapFileUseCount[strFile];
+ pdb = bitdb.mapDb[strFile];
if (pdb == NULL)
{
- pdb = new Db(&dbenv, 0);
+ pdb = new Db(&bitdb.dbenv, 0);
ret = pdb->open(NULL, // Txn pointer
pszFile, // Filename
@@ -127,8 +149,10 @@ CDB::CDB(const char* pszFile, const char* pszMode) : pdb(NULL)
{
delete pdb;
pdb = NULL;
- CRITICAL_BLOCK(cs_db)
- --mapFileUseCount[strFile];
+ {
+ LOCK(bitdb.cs_db);
+ --bitdb.mapFileUseCount[strFile];
+ }
strFile = "";
throw runtime_error(strprintf("CDB() : can't open database file %s, error %d", pszFile, ret));
}
@@ -141,45 +165,49 @@ CDB::CDB(const char* pszFile, const char* pszMode) : pdb(NULL)
fReadOnly = fTmp;
}
- mapDb[strFile] = pdb;
+ bitdb.mapDb[strFile] = pdb;
}
}
}
+static bool IsChainFile(std::string strFile)
+{
+ if (strFile == "blkindex.dat")
+ return true;
+
+ return false;
+}
+
void CDB::Close()
{
if (!pdb)
return;
- if (!vTxn.empty())
- vTxn.front()->abort();
- vTxn.clear();
+ if (activeTxn)
+ activeTxn->abort();
+ activeTxn = NULL;
pdb = NULL;
// Flush database activity from memory pool to disk log
unsigned int nMinutes = 0;
if (fReadOnly)
nMinutes = 1;
- if (strFile == "addr.dat")
+ if (IsChainFile(strFile))
nMinutes = 2;
- if (strFile == "blkindex.dat" && IsInitialBlockDownload())
+ if (IsChainFile(strFile) && IsInitialBlockDownload())
nMinutes = 5;
- if (nMinutes == 0 || nTxn > 200000)
+ bitdb.dbenv.txn_checkpoint(nMinutes ? GetArg("-dblogsize", 100)*1024 : 0, nMinutes, 0);
+
{
- nTxn = 0;
- nMinutes = 0;
+ LOCK(bitdb.cs_db);
+ --bitdb.mapFileUseCount[strFile];
}
-
- dbenv.txn_checkpoint(0, nMinutes, 0);
-
- CRITICAL_BLOCK(cs_db)
- --mapFileUseCount[strFile];
}
-void static CloseDb(const string& strFile)
+void CDBEnv::CloseDb(const string& strFile)
{
- CRITICAL_BLOCK(cs_db)
{
+ LOCK(cs_db);
if (mapDb[strFile] != NULL)
{
// Close the database handle
@@ -195,22 +223,21 @@ bool CDB::Rewrite(const string& strFile, const char* pszSkip)
{
while (!fShutdown)
{
- CRITICAL_BLOCK(cs_db)
{
- if (!mapFileUseCount.count(strFile) || mapFileUseCount[strFile] == 0)
+ LOCK(bitdb.cs_db);
+ if (!bitdb.mapFileUseCount.count(strFile) || bitdb.mapFileUseCount[strFile] == 0)
{
// Flush log data to the dat file
- CloseDb(strFile);
- dbenv.txn_checkpoint(0, 0, 0);
- dbenv.lsn_reset(strFile.c_str(), 0);
- mapFileUseCount.erase(strFile);
+ bitdb.CloseDb(strFile);
+ bitdb.CheckpointLSN(strFile);
+ bitdb.mapFileUseCount.erase(strFile);
bool fSuccess = true;
printf("Rewriting %s...\n", strFile.c_str());
string strFileRes = strFile + ".rewrite";
{ // surround usage of db with extra {}
CDB db(strFile.c_str(), "r");
- Db* pdbCopy = new Db(&dbenv, 0);
+ Db* pdbCopy = new Db(&bitdb.dbenv, 0);
int ret = pdbCopy->open(NULL, // Txn pointer
strFileRes.c_str(), // Filename
@@ -228,8 +255,8 @@ bool CDB::Rewrite(const string& strFile, const char* pszSkip)
if (pcursor)
while (fSuccess)
{
- CDataStream ssKey;
- CDataStream ssValue;
+ CDataStream ssKey(SER_DISK, CLIENT_VERSION);
+ CDataStream ssValue(SER_DISK, CLIENT_VERSION);
int ret = db.ReadAtCursor(pcursor, ssKey, ssValue, DB_NEXT);
if (ret == DB_NOTFOUND)
{
@@ -260,7 +287,7 @@ bool CDB::Rewrite(const string& strFile, const char* pszSkip)
if (fSuccess)
{
db.Close();
- CloseDb(strFile);
+ bitdb.CloseDb(strFile);
if (pdbCopy->close(0))
fSuccess = false;
delete pdbCopy;
@@ -268,10 +295,10 @@ bool CDB::Rewrite(const string& strFile, const char* pszSkip)
}
if (fSuccess)
{
- Db dbA(&dbenv, 0);
+ Db dbA(&bitdb.dbenv, 0);
if (dbA.remove(strFile.c_str(), NULL, 0))
fSuccess = false;
- Db dbB(&dbenv, 0);
+ Db dbB(&bitdb.dbenv, 0);
if (dbB.rename(strFileRes.c_str(), NULL, strFile.c_str(), 0))
fSuccess = false;
}
@@ -286,15 +313,16 @@ bool CDB::Rewrite(const string& strFile, const char* pszSkip)
}
-void DBFlush(bool fShutdown)
+void CDBEnv::Flush(bool fShutdown)
{
+ int64 nStart = GetTimeMillis();
// Flush log data to the actual data file
// on all files that are not in use
- printf("DBFlush(%s)%s\n", fShutdown ? "true" : "false", fDbEnvInit ? "" : " db not started");
+ printf("Flush(%s)%s\n", fShutdown ? "true" : "false", fDbEnvInit ? "" : " db not started");
if (!fDbEnvInit)
return;
- CRITICAL_BLOCK(cs_db)
{
+ LOCK(cs_db);
map<string, int>::iterator mi = mapFileUseCount.begin();
while (mi != mapFileUseCount.end())
{
@@ -305,21 +333,26 @@ void DBFlush(bool fShutdown)
{
// Move log data to the dat file
CloseDb(strFile);
+ printf("%s checkpoint\n", strFile.c_str());
dbenv.txn_checkpoint(0, 0, 0);
- printf("%s flush\n", strFile.c_str());
- dbenv.lsn_reset(strFile.c_str(), 0);
+ if (!IsChainFile(strFile) || fDetachDB) {
+ printf("%s detach\n", strFile.c_str());
+ dbenv.lsn_reset(strFile.c_str(), 0);
+ }
+ printf("%s closed\n", strFile.c_str());
mapFileUseCount.erase(mi++);
}
else
mi++;
}
+ printf("DBFlush(%s)%s ended %15"PRI64d"ms\n", fShutdown ? "true" : "false", fDbEnvInit ? "" : " db not started", GetTimeMillis() - nStart);
if (fShutdown)
{
char** listp;
if (mapFileUseCount.empty())
{
dbenv.log_archive(&listp, DB_ARCH_REMOVE);
- EnvShutdown();
+ Close();
}
}
}
@@ -344,7 +377,6 @@ bool CTxDB::ReadTxIndex(uint256 hash, CTxIndex& txindex)
bool CTxDB::UpdateTxIndex(uint256 hash, const CTxIndex& txindex)
{
assert(!fClient);
- nTxn++;
return Write(make_pair(string("tx"), hash), txindex);
}
@@ -355,7 +387,6 @@ bool CTxDB::AddTxIndex(const CTransaction& tx, const CDiskTxPos& pos, int nHeigh
// Add to tx index
uint256 hash = tx.GetHash();
CTxIndex txindex(pos, tx.vout.size());
- nTxn++;
return Write(make_pair(string("tx"), hash), txindex);
}
@@ -373,60 +404,6 @@ bool CTxDB::ContainsTx(uint256 hash)
return Exists(make_pair(string("tx"), hash));
}
-bool CTxDB::ReadOwnerTxes(uint160 hash160, int nMinHeight, vector<CTransaction>& vtx)
-{
- assert(!fClient);
- vtx.clear();
-
- // Get cursor
- Dbc* pcursor = GetCursor();
- if (!pcursor)
- return false;
-
- unsigned int fFlags = DB_SET_RANGE;
- loop
- {
- // Read next record
- CDataStream ssKey;
- if (fFlags == DB_SET_RANGE)
- ssKey << string("owner") << hash160 << CDiskTxPos(0, 0, 0);
- CDataStream ssValue;
- int ret = ReadAtCursor(pcursor, ssKey, ssValue, fFlags);
- fFlags = DB_NEXT;
- if (ret == DB_NOTFOUND)
- break;
- else if (ret != 0)
- {
- pcursor->close();
- return false;
- }
-
- // Unserialize
- string strType;
- uint160 hashItem;
- CDiskTxPos pos;
- ssKey >> strType >> hashItem >> pos;
- int nItemHeight;
- ssValue >> nItemHeight;
-
- // Read transaction
- if (strType != "owner" || hashItem != hash160)
- break;
- if (nItemHeight >= nMinHeight)
- {
- vtx.resize(vtx.size()+1);
- if (!vtx.back().ReadFromDisk(pos))
- {
- pcursor->close();
- return false;
- }
- }
- }
-
- pcursor->close();
- return true;
-}
-
bool CTxDB::ReadDiskTx(uint256 hash, CTransaction& tx, CTxIndex& txindex)
{
assert(!fClient);
@@ -458,11 +435,6 @@ bool CTxDB::WriteBlockIndex(const CDiskBlockIndex& blockindex)
return Write(make_pair(string("blockindex"), blockindex.GetBlockHash()), blockindex);
}
-bool CTxDB::EraseBlockIndex(uint256 hash)
-{
- return Erase(make_pair(string("blockindex"), hash));
-}
-
bool CTxDB::ReadHashBestChain(uint256& hashBestChain)
{
return Read(string("hashBestChain"), hashBestChain);
@@ -505,61 +477,11 @@ CBlockIndex static * InsertBlockIndex(uint256 hash)
bool CTxDB::LoadBlockIndex()
{
- // Get database cursor
- Dbc* pcursor = GetCursor();
- if (!pcursor)
+ if (!LoadBlockIndexGuts())
return false;
- // Load mapBlockIndex
- unsigned int fFlags = DB_SET_RANGE;
- loop
- {
- // Read next record
- CDataStream ssKey;
- if (fFlags == DB_SET_RANGE)
- ssKey << make_pair(string("blockindex"), uint256(0));
- CDataStream ssValue;
- int ret = ReadAtCursor(pcursor, ssKey, ssValue, fFlags);
- fFlags = DB_NEXT;
- if (ret == DB_NOTFOUND)
- break;
- else if (ret != 0)
- return false;
-
- // Unserialize
- string strType;
- ssKey >> strType;
- if (strType == "blockindex")
- {
- CDiskBlockIndex diskindex;
- ssValue >> diskindex;
-
- // Construct block index object
- CBlockIndex* pindexNew = InsertBlockIndex(diskindex.GetBlockHash());
- pindexNew->pprev = InsertBlockIndex(diskindex.hashPrev);
- pindexNew->pnext = InsertBlockIndex(diskindex.hashNext);
- pindexNew->nFile = diskindex.nFile;
- pindexNew->nBlockPos = diskindex.nBlockPos;
- pindexNew->nHeight = diskindex.nHeight;
- pindexNew->nVersion = diskindex.nVersion;
- pindexNew->hashMerkleRoot = diskindex.hashMerkleRoot;
- pindexNew->nTime = diskindex.nTime;
- pindexNew->nBits = diskindex.nBits;
- pindexNew->nNonce = diskindex.nNonce;
-
- // Watch for genesis block
- if (pindexGenesisBlock == NULL && diskindex.GetBlockHash() == hashGenesisBlock)
- pindexGenesisBlock = pindexNew;
-
- if (!pindexNew->CheckIndex())
- return error("LoadBlockIndex() : CheckIndex failed at %d", pindexNew->nHeight);
- }
- else
- {
- break;
- }
- }
- pcursor->close();
+ if (fRequestShutdown)
+ return true;
// Calculate bnChainWork
vector<pair<int, CBlockIndex*> > vSortedByHeight;
@@ -588,7 +510,9 @@ bool CTxDB::LoadBlockIndex()
pindexBest = mapBlockIndex[hashBestChain];
nBestHeight = pindexBest->nHeight;
bnBestChainWork = pindexBest->bnChainWork;
- printf("LoadBlockIndex(): hashBestChain=%s height=%d\n", hashBestChain.ToString().substr(0,20).c_str(), nBestHeight);
+ printf("LoadBlockIndex(): hashBestChain=%s height=%d date=%s\n",
+ hashBestChain.ToString().substr(0,20).c_str(), nBestHeight,
+ DateTimeStrFormat("%x %H:%M:%S", pindexBest->GetBlockTime()).c_str());
// Load bnBestInvalidWork, OK if it doesn't exist
ReadBestInvalidWork(bnBestInvalidWork);
@@ -605,7 +529,7 @@ bool CTxDB::LoadBlockIndex()
map<pair<unsigned int, unsigned int>, CBlockIndex*> mapBlockPos;
for (CBlockIndex* pindex = pindexBest; pindex && pindex->pprev; pindex = pindex->pprev)
{
- if (pindex->nHeight < nBestHeight-nCheckDepth)
+ if (fRequestShutdown || pindex->nHeight < nBestHeight-nCheckDepth)
break;
CBlock block;
if (!block.ReadFromDisk(pindex))
@@ -645,8 +569,9 @@ bool CTxDB::LoadBlockIndex()
}
}
// check level 4: check whether spent txouts were spent within the main chain
- int nOutput = 0;
+ unsigned int nOutput = 0;
if (nCheckLevel>3)
+ {
BOOST_FOREACH(const CDiskTxPos &txpos, txindex.vSpent)
{
if (!txpos.IsNull())
@@ -687,9 +612,11 @@ bool CTxDB::LoadBlockIndex()
}
nOutput++;
}
+ }
}
// check level 5: check whether all prevouts are marked spent
if (nCheckLevel>4)
+ {
BOOST_FOREACH(const CTxIn &txin, tx.vin)
{
CTxIndex txindex;
@@ -700,10 +627,11 @@ bool CTxDB::LoadBlockIndex()
pindexFork = pindex->pprev;
}
}
+ }
}
}
}
- if (pindexFork)
+ if (pindexFork && !fRequestShutdown)
{
// Reorg back to the fork
printf("LoadBlockIndex() : *** moving best chain pointer back to block %d\n", pindexFork->nHeight);
@@ -719,487 +647,171 @@ bool CTxDB::LoadBlockIndex()
-
-
-//
-// CAddrDB
-//
-
-bool CAddrDB::WriteAddrman(const CAddrMan& addrman)
-{
- return Write(string("addrman"), addrman);
-}
-
-bool CAddrDB::LoadAddresses()
+bool CTxDB::LoadBlockIndexGuts()
{
- if (Read(string("addrman"), addrman))
- {
- printf("Loaded %i addresses\n", addrman.size());
- return true;
- }
-
- // Read pre-0.6 addr records
-
- vector<CAddress> vAddr;
- vector<vector<unsigned char> > vDelete;
-
- // Get cursor
+ // Get database cursor
Dbc* pcursor = GetCursor();
if (!pcursor)
return false;
+ // Load mapBlockIndex
+ unsigned int fFlags = DB_SET_RANGE;
loop
{
// Read next record
- CDataStream ssKey;
- CDataStream ssValue;
- int ret = ReadAtCursor(pcursor, ssKey, ssValue);
+ CDataStream ssKey(SER_DISK, CLIENT_VERSION);
+ if (fFlags == DB_SET_RANGE)
+ ssKey << make_pair(string("blockindex"), uint256(0));
+ CDataStream ssValue(SER_DISK, CLIENT_VERSION);
+ int ret = ReadAtCursor(pcursor, ssKey, ssValue, fFlags);
+ fFlags = DB_NEXT;
if (ret == DB_NOTFOUND)
break;
else if (ret != 0)
return false;
// Unserialize
+
+ try {
string strType;
ssKey >> strType;
- if (strType == "addr")
+ if (strType == "blockindex" && !fRequestShutdown)
+ {
+ CDiskBlockIndex diskindex;
+ ssValue >> diskindex;
+
+ // Construct block index object
+ CBlockIndex* pindexNew = InsertBlockIndex(diskindex.GetBlockHash());
+ pindexNew->pprev = InsertBlockIndex(diskindex.hashPrev);
+ pindexNew->pnext = InsertBlockIndex(diskindex.hashNext);
+ pindexNew->nFile = diskindex.nFile;
+ pindexNew->nBlockPos = diskindex.nBlockPos;
+ pindexNew->nHeight = diskindex.nHeight;
+ pindexNew->nVersion = diskindex.nVersion;
+ pindexNew->hashMerkleRoot = diskindex.hashMerkleRoot;
+ pindexNew->nTime = diskindex.nTime;
+ pindexNew->nBits = diskindex.nBits;
+ pindexNew->nNonce = diskindex.nNonce;
+
+ // Watch for genesis block
+ if (pindexGenesisBlock == NULL && diskindex.GetBlockHash() == hashGenesisBlock)
+ pindexGenesisBlock = pindexNew;
+
+ if (!pindexNew->CheckIndex())
+ return error("LoadBlockIndex() : CheckIndex failed at %d", pindexNew->nHeight);
+ }
+ else
{
- CAddress addr;
- ssValue >> addr;
- vAddr.push_back(addr);
+ break; // if shutdown requested or finished loading block index
+ }
+ } // try
+ catch (std::exception &e) {
+ return error("%s() : deserialize error", __PRETTY_FUNCTION__);
}
}
pcursor->close();
- addrman.Add(vAddr, CNetAddr("0.0.0.0"));
- printf("Loaded %i addresses\n", addrman.size());
-
- // Note: old records left; we ran into hangs-on-startup
- // bugs for some users who (we think) were running after
- // an unclean shutdown.
-
return true;
}
-bool LoadAddresses()
-{
- return CAddrDB("cr+").LoadAddresses();
-}
//
-// CWalletDB
+// CAddrDB
//
-bool CWalletDB::WriteName(const string& strAddress, const string& strName)
-{
- nWalletDBUpdated++;
- return Write(make_pair(string("name"), strAddress), strName);
-}
-bool CWalletDB::EraseName(const string& strAddress)
+CAddrDB::CAddrDB()
{
- // This should only be used for sending addresses, never for receiving addresses,
- // receiving addresses must always have an address book entry if they're not change return.
- nWalletDBUpdated++;
- return Erase(make_pair(string("name"), strAddress));
+ pathAddr = GetDataDir() / "peers.dat";
}
-bool CWalletDB::ReadAccount(const string& strAccount, CAccount& account)
+bool CAddrDB::Write(const CAddrMan& addr)
{
- account.SetNull();
- return Read(make_pair(string("acc"), strAccount), account);
-}
+ // Generate random temporary filename
+ unsigned short randv = 0;
+ RAND_bytes((unsigned char *)&randv, sizeof(randv));
+ std::string tmpfn = strprintf("peers.dat.%04x", randv);
-bool CWalletDB::WriteAccount(const string& strAccount, const CAccount& account)
-{
- return Write(make_pair(string("acc"), strAccount), account);
-}
+ // serialize addresses, checksum data up to that point, then append csum
+ CDataStream ssPeers(SER_DISK, CLIENT_VERSION);
+ ssPeers << FLATDATA(pchMessageStart);
+ ssPeers << addr;
+ uint256 hash = Hash(ssPeers.begin(), ssPeers.end());
+ ssPeers << hash;
-bool CWalletDB::WriteAccountingEntry(const CAccountingEntry& acentry)
-{
- return Write(boost::make_tuple(string("acentry"), acentry.strAccount, ++nAccountingEntryNumber), acentry);
-}
+ // open temp output file, and associate with CAutoFile
+ boost::filesystem::path pathTmp = GetDataDir() / tmpfn;
+ FILE *file = fopen(pathTmp.string().c_str(), "wb");
+ CAutoFile fileout = CAutoFile(file, SER_DISK, CLIENT_VERSION);
+ if (!fileout)
+ return error("CAddrman::Write() : open failed");
-int64 CWalletDB::GetAccountCreditDebit(const string& strAccount)
-{
- list<CAccountingEntry> entries;
- ListAccountCreditDebit(strAccount, entries);
+ // Write and commit header, data
+ try {
+ fileout << ssPeers;
+ }
+ catch (std::exception &e) {
+ return error("CAddrman::Write() : I/O error");
+ }
+ FileCommit(fileout);
+ fileout.fclose();
- int64 nCreditDebit = 0;
- BOOST_FOREACH (const CAccountingEntry& entry, entries)
- nCreditDebit += entry.nCreditDebit;
+ // replace existing peers.dat, if any, with new peers.dat.XXXX
+ if (!RenameOver(pathTmp, pathAddr))
+ return error("CAddrman::Write() : Rename-into-place failed");
- return nCreditDebit;
+ return true;
}
-void CWalletDB::ListAccountCreditDebit(const string& strAccount, list<CAccountingEntry>& entries)
+bool CAddrDB::Read(CAddrMan& addr)
{
- bool fAllAccounts = (strAccount == "*");
+ // open input file, and associate with CAutoFile
+ FILE *file = fopen(pathAddr.string().c_str(), "rb");
+ CAutoFile filein = CAutoFile(file, SER_DISK, CLIENT_VERSION);
+ if (!filein)
+ return error("CAddrman::Read() : open failed");
- Dbc* pcursor = GetCursor();
- if (!pcursor)
- throw runtime_error("CWalletDB::ListAccountCreditDebit() : cannot create DB cursor");
- unsigned int fFlags = DB_SET_RANGE;
- loop
- {
- // Read next record
- CDataStream ssKey;
- if (fFlags == DB_SET_RANGE)
- ssKey << boost::make_tuple(string("acentry"), (fAllAccounts? string("") : strAccount), uint64(0));
- CDataStream ssValue;
- int ret = ReadAtCursor(pcursor, ssKey, ssValue, fFlags);
- fFlags = DB_NEXT;
- if (ret == DB_NOTFOUND)
- break;
- else if (ret != 0)
- {
- pcursor->close();
- throw runtime_error("CWalletDB::ListAccountCreditDebit() : error scanning DB");
- }
+ // use file size to size memory buffer
+ int fileSize = GetFilesize(filein);
+ int dataSize = fileSize - sizeof(uint256);
+ vector<unsigned char> vchData;
+ vchData.resize(dataSize);
+ uint256 hashIn;
- // Unserialize
- string strType;
- ssKey >> strType;
- if (strType != "acentry")
- break;
- CAccountingEntry acentry;
- ssKey >> acentry.strAccount;
- if (!fAllAccounts && acentry.strAccount != strAccount)
- break;
-
- ssValue >> acentry;
- entries.push_back(acentry);
+ // read data and checksum from file
+ try {
+ filein.read((char *)&vchData[0], dataSize);
+ filein >> hashIn;
}
-
- pcursor->close();
-}
-
-
-int CWalletDB::LoadWallet(CWallet* pwallet)
-{
- pwallet->vchDefaultKey.clear();
- int nFileVersion = 0;
- vector<uint256> vWalletUpgrade;
- bool fIsEncrypted = false;
-
- //// todo: shouldn't we catch exceptions and try to recover and continue?
- CRITICAL_BLOCK(pwallet->cs_wallet)
- {
- int nMinVersion = 0;
- if (Read((string)"minversion", nMinVersion))
- {
- if (nMinVersion > CLIENT_VERSION)
- return DB_TOO_NEW;
- pwallet->LoadMinVersion(nMinVersion);
- }
-
- // Get cursor
- Dbc* pcursor = GetCursor();
- if (!pcursor)
- {
- printf("Error getting wallet database cursor\n");
- return DB_CORRUPT;
- }
-
- loop
- {
- // Read next record
- CDataStream ssKey;
- CDataStream ssValue;
- int ret = ReadAtCursor(pcursor, ssKey, ssValue);
- if (ret == DB_NOTFOUND)
- break;
- else if (ret != 0)
- {
- printf("Error reading next record from wallet database\n");
- return DB_CORRUPT;
- }
-
- // Unserialize
- // Taking advantage of the fact that pair serialization
- // is just the two items serialized one after the other
- string strType;
- ssKey >> strType;
- if (strType == "name")
- {
- string strAddress;
- ssKey >> strAddress;
- ssValue >> pwallet->mapAddressBook[strAddress];
- }
- else if (strType == "tx")
- {
- uint256 hash;
- ssKey >> hash;
- CWalletTx& wtx = pwallet->mapWallet[hash];
- ssValue >> wtx;
- wtx.BindWallet(pwallet);
-
- if (wtx.GetHash() != hash)
- printf("Error in wallet.dat, hash mismatch\n");
-
- // Undo serialize changes in 31600
- if (31404 <= wtx.fTimeReceivedIsTxTime && wtx.fTimeReceivedIsTxTime <= 31703)
- {
- if (!ssValue.empty())
- {
- char fTmp;
- char fUnused;
- ssValue >> fTmp >> fUnused >> wtx.strFromAccount;
- printf("LoadWallet() upgrading tx ver=%d %d '%s' %s\n", wtx.fTimeReceivedIsTxTime, fTmp, wtx.strFromAccount.c_str(), hash.ToString().c_str());
- wtx.fTimeReceivedIsTxTime = fTmp;
- }
- else
- {
- printf("LoadWallet() repairing tx ver=%d %s\n", wtx.fTimeReceivedIsTxTime, hash.ToString().c_str());
- wtx.fTimeReceivedIsTxTime = 0;
- }
- vWalletUpgrade.push_back(hash);
- }
-
- //// debug print
- //printf("LoadWallet %s\n", wtx.GetHash().ToString().c_str());
- //printf(" %12I64d %s %s %s\n",
- // wtx.vout[0].nValue,
- // DateTimeStrFormat("%x %H:%M:%S", wtx.GetBlockTime()).c_str(),
- // wtx.hashBlock.ToString().substr(0,20).c_str(),
- // wtx.mapValue["message"].c_str());
- }
- else if (strType == "acentry")
- {
- string strAccount;
- ssKey >> strAccount;
- uint64 nNumber;
- ssKey >> nNumber;
- if (nNumber > nAccountingEntryNumber)
- nAccountingEntryNumber = nNumber;
- }
- else if (strType == "key" || strType == "wkey")
- {
- vector<unsigned char> vchPubKey;
- ssKey >> vchPubKey;
- CKey key;
- if (strType == "key")
- {
- CPrivKey pkey;
- ssValue >> pkey;
- key.SetPubKey(vchPubKey);
- key.SetPrivKey(pkey);
- if (key.GetPubKey() != vchPubKey)
- {
- printf("Error reading wallet database: CPrivKey pubkey inconsistency\n");
- return DB_CORRUPT;
- }
- if (!key.IsValid())
- {
- printf("Error reading wallet database: invalid CPrivKey\n");
- return DB_CORRUPT;
- }
- }
- else
- {
- CWalletKey wkey;
- ssValue >> wkey;
- key.SetPubKey(vchPubKey);
- key.SetPrivKey(wkey.vchPrivKey);
- if (key.GetPubKey() != vchPubKey)
- {
- printf("Error reading wallet database: CWalletKey pubkey inconsistency\n");
- return DB_CORRUPT;
- }
- if (!key.IsValid())
- {
- printf("Error reading wallet database: invalid CWalletKey\n");
- return DB_CORRUPT;
- }
- }
- if (!pwallet->LoadKey(key))
- {
- printf("Error reading wallet database: LoadKey failed\n");
- return DB_CORRUPT;
- }
- }
- else if (strType == "mkey")
- {
- unsigned int nID;
- ssKey >> nID;
- CMasterKey kMasterKey;
- ssValue >> kMasterKey;
- if(pwallet->mapMasterKeys.count(nID) != 0)
- {
- printf("Error reading wallet database: duplicate CMasterKey id %u\n", nID);
- return DB_CORRUPT;
- }
- pwallet->mapMasterKeys[nID] = kMasterKey;
- if (pwallet->nMasterKeyMaxID < nID)
- pwallet->nMasterKeyMaxID = nID;
- }
- else if (strType == "ckey")
- {
- vector<unsigned char> vchPubKey;
- ssKey >> vchPubKey;
- vector<unsigned char> vchPrivKey;
- ssValue >> vchPrivKey;
- if (!pwallet->LoadCryptedKey(vchPubKey, vchPrivKey))
- {
- printf("Error reading wallet database: LoadCryptedKey failed\n");
- return DB_CORRUPT;
- }
- fIsEncrypted = true;
- }
- else if (strType == "defaultkey")
- {
- ssValue >> pwallet->vchDefaultKey;
- }
- else if (strType == "pool")
- {
- int64 nIndex;
- ssKey >> nIndex;
- pwallet->setKeyPool.insert(nIndex);
- }
- else if (strType == "version")
- {
- ssValue >> nFileVersion;
- if (nFileVersion == 10300)
- nFileVersion = 300;
- }
- else if (strType == "cscript")
- {
- uint160 hash;
- ssKey >> hash;
- CScript script;
- ssValue >> script;
- if (!pwallet->LoadCScript(script))
- {
- printf("Error reading wallet database: LoadCScript failed\n");
- return DB_CORRUPT;
- }
- }
- }
- pcursor->close();
+ catch (std::exception &e) {
+ return error("CAddrman::Read() 2 : I/O error or stream data corrupted");
}
+ filein.fclose();
- BOOST_FOREACH(uint256 hash, vWalletUpgrade)
- WriteTx(hash, pwallet->mapWallet[hash]);
-
- printf("nFileVersion = %d\n", nFileVersion);
-
+ CDataStream ssPeers(vchData, SER_DISK, CLIENT_VERSION);
- // Rewrite encrypted wallets of versions 0.4.0 and 0.5.0rc:
- if (fIsEncrypted && (nFileVersion == 40000 || nFileVersion == 50000))
- return DB_NEED_REWRITE;
-
- if (nFileVersion < CLIENT_VERSION) // Update
- {
- // Get rid of old debug.log file in current directory
- if (nFileVersion <= 105 && !pszSetDataDir[0])
- unlink("debug.log");
+ // verify stored checksum matches input data
+ uint256 hashTmp = Hash(ssPeers.begin(), ssPeers.end());
+ if (hashIn != hashTmp)
+ return error("CAddrman::Read() : checksum mismatch; data corrupted");
- WriteVersion(CLIENT_VERSION);
+ // de-serialize address data
+ unsigned char pchMsgTmp[4];
+ try {
+ ssPeers >> FLATDATA(pchMsgTmp);
+ ssPeers >> addr;
+ }
+ catch (std::exception &e) {
+ return error("CAddrman::Read() : I/O error or stream data corrupted");
}
- return DB_LOAD_OK;
-}
-
-void ThreadFlushWalletDB(void* parg)
-{
- const string& strFile = ((const string*)parg)[0];
- static bool fOneThread;
- if (fOneThread)
- return;
- fOneThread = true;
- if (!GetBoolArg("-flushwallet", true))
- return;
-
- unsigned int nLastSeen = nWalletDBUpdated;
- unsigned int nLastFlushed = nWalletDBUpdated;
- int64 nLastWalletUpdate = GetTime();
- while (!fShutdown)
- {
- Sleep(500);
-
- if (nLastSeen != nWalletDBUpdated)
- {
- nLastSeen = nWalletDBUpdated;
- nLastWalletUpdate = GetTime();
- }
-
- if (nLastFlushed != nWalletDBUpdated && GetTime() - nLastWalletUpdate >= 2)
- {
- TRY_CRITICAL_BLOCK(cs_db)
- {
- // Don't do this if any databases are in use
- int nRefCount = 0;
- map<string, int>::iterator mi = mapFileUseCount.begin();
- while (mi != mapFileUseCount.end())
- {
- nRefCount += (*mi).second;
- mi++;
- }
+ // finally, verify the network matches ours
+ if (memcmp(pchMsgTmp, pchMessageStart, sizeof(pchMsgTmp)))
+ return error("CAddrman::Read() : invalid network magic number");
- if (nRefCount == 0 && !fShutdown)
- {
- map<string, int>::iterator mi = mapFileUseCount.find(strFile);
- if (mi != mapFileUseCount.end())
- {
- printf("%s ", DateTimeStrFormat("%x %H:%M:%S", GetTime()).c_str());
- printf("Flushing wallet.dat\n");
- nLastFlushed = nWalletDBUpdated;
- int64 nStart = GetTimeMillis();
-
- // Flush wallet.dat so it's self contained
- CloseDb(strFile);
- dbenv.txn_checkpoint(0, 0, 0);
- dbenv.lsn_reset(strFile.c_str(), 0);
-
- mapFileUseCount.erase(mi++);
- printf("Flushed wallet.dat %"PRI64d"ms\n", GetTimeMillis() - nStart);
- }
- }
- }
- }
- }
+ return true;
}
-bool BackupWallet(const CWallet& wallet, const string& strDest)
-{
- if (!wallet.fFileBacked)
- return false;
- while (!fShutdown)
- {
- CRITICAL_BLOCK(cs_db)
- {
- if (!mapFileUseCount.count(wallet.strWalletFile) || mapFileUseCount[wallet.strWalletFile] == 0)
- {
- // Flush log data to the dat file
- CloseDb(wallet.strWalletFile);
- dbenv.txn_checkpoint(0, 0, 0);
- dbenv.lsn_reset(wallet.strWalletFile.c_str(), 0);
- mapFileUseCount.erase(wallet.strWalletFile);
-
- // Copy wallet.dat
- filesystem::path pathSrc(GetDataDir() + "/" + wallet.strWalletFile);
- filesystem::path pathDest(strDest);
- if (filesystem::is_directory(pathDest))
- pathDest = pathDest / wallet.strWalletFile;
-
- try {
-#if BOOST_VERSION >= 104000
- filesystem::copy_file(pathSrc, pathDest, filesystem::copy_option::overwrite_if_exists);
-#else
- filesystem::copy_file(pathSrc, pathDest);
-#endif
- printf("copied wallet.dat to %s\n", pathDest.string().c_str());
- return true;
- } catch(const filesystem::filesystem_error &e) {
- printf("error copying wallet.dat to %s - %s\n", pathDest.string().c_str(), e.what());
- return false;
- }
- }
- }
- Sleep(100);
- }
- return false;
-}
generated by cgit v1.2.3 (git 2.25.1) at 2026-04-26 04:19:21 +0000