Files
rippled/src/cpp/ripple/ripple_Application.cpp
2013-07-10 09:51:32 -07:00

1034 lines
29 KiB
C++

//------------------------------------------------------------------------------
/*
Copyright (c) 2011-2013, OpenCoin, Inc.
*/
//==============================================================================
// VFALCO TODO Clean this global up
volatile bool doShutdown = false;
class Application;
SETUP_LOG (Application)
// VFALCO TODO Move the function definitions into the class declaration
class Application
: public IApplication
, public SharedSingleton <Application>
, LeakChecked <Application>
{
public:
static Application* createInstance ()
{
return new Application;
}
class Holder;
Application ();
~Application ();
LocalCredentials& getLocalCredentials ()
{
return m_localCredentials ;
}
NetworkOPs& getOPs ()
{
return mNetOps;
}
boost::asio::io_service& getIOService ()
{
return mIOService;
}
LedgerMaster& getLedgerMaster ()
{
return mLedgerMaster;
}
InboundLedgers& getInboundLedgers ()
{
return m_inboundLedgers;
}
TransactionMaster& getMasterTransaction ()
{
return mMasterTransaction;
}
NodeCache& getTempNodeCache ()
{
return mTempNodeCache;
}
HashedObjectStore& getHashedObjectStore ()
{
return mHashedObjectStore;
}
JobQueue& getJobQueue ()
{
return mJobQueue;
}
boost::recursive_mutex& getMasterLock ()
{
return mMasterLock;
}
ILoadManager& getLoadManager ()
{
return *m_loadManager;
}
TXQueue& getTxnQueue ()
{
return mTxnQueue;
}
PeerDoor& getPeerDoor ()
{
return *mPeerDoor;
}
OrderBookDB& getOrderBookDB ()
{
return mOrderBookDB;
}
SLECache& getSLECache ()
{
return mSLECache;
}
IFeatures& getFeatureTable ()
{
return *mFeatures;
}
ILoadFeeTrack& getFeeTrack ()
{
return *mFeeTrack;
}
IFeeVote& getFeeVote ()
{
return *mFeeVote;
}
IHashRouter& getHashRouter ()
{
return *mHashRouter;
}
IValidations& getValidations ()
{
return *mValidations;
}
UniqueNodeList& getUNL ()
{
return *mUNL;
}
IProofOfWorkFactory& getProofOfWorkFactory ()
{
return *mProofOfWorkFactory;
}
IPeers& getPeers ()
{
return *mPeers;
}
// VFALCO TODO Move these to the .cpp
bool running ()
{
return mTxnDB != NULL; // VFALCO TODO replace with nullptr when beast is available
}
bool getSystemTimeOffset (int& offset)
{
return mSNTPClient.getOffset (offset);
}
DatabaseCon* getRpcDB ()
{
return mRpcDB;
}
DatabaseCon* getTxnDB ()
{
return mTxnDB;
}
DatabaseCon* getLedgerDB ()
{
return mLedgerDB;
}
DatabaseCon* getWalletDB ()
{
return mWalletDB;
}
DatabaseCon* getNetNodeDB ()
{
return mNetNodeDB;
}
DatabaseCon* getPathFindDB ()
{
return mPathFindDB;
}
DatabaseCon* getHashNodeDB ()
{
return mHashNodeDB;
}
leveldb::DB* getHashNodeLDB ()
{
return mHashNodeLDB;
}
leveldb::DB* getEphemeralLDB ()
{
return mEphemeralLDB;
}
bool isShutdown ()
{
return mShutdown;
}
void setup ();
void run ();
void stop ();
void sweep ();
private:
void updateTables (bool);
void startNewLedger ();
bool loadOldLedger (const std::string&);
private:
boost::asio::io_service mIOService;
boost::asio::io_service mAuxService;
// The lifetime of the io_service::work object informs the io_service
// of when the work starts and finishes. io_service::run() will not exit
// while the work object exists.
//
boost::asio::io_service::work mIOWork;
boost::recursive_mutex mMasterLock;
LocalCredentials m_localCredentials;
LedgerMaster mLedgerMaster;
InboundLedgers m_inboundLedgers;
TransactionMaster mMasterTransaction;
NetworkOPs mNetOps;
RPCServerHandler m_rpcServerHandler;
NodeCache mTempNodeCache;
HashedObjectStore mHashedObjectStore;
SLECache mSLECache;
SNTPClient mSNTPClient;
JobQueue mJobQueue;
TXQueue mTxnQueue;
OrderBookDB mOrderBookDB;
// VFALCO Clean stuff
beast::ScopedPointer <IFeatures> mFeatures;
beast::ScopedPointer <IFeeVote> mFeeVote;
beast::ScopedPointer <ILoadFeeTrack> mFeeTrack;
beast::ScopedPointer <IHashRouter> mHashRouter;
beast::ScopedPointer <IValidations> mValidations;
beast::ScopedPointer <UniqueNodeList> mUNL;
beast::ScopedPointer <IProofOfWorkFactory> mProofOfWorkFactory;
beast::ScopedPointer <IPeers> mPeers;
beast::ScopedPointer <ILoadManager> m_loadManager;
// VFALCO End Clean stuff
DatabaseCon* mRpcDB;
DatabaseCon* mTxnDB;
DatabaseCon* mLedgerDB;
DatabaseCon* mWalletDB;
DatabaseCon* mNetNodeDB;
DatabaseCon* mPathFindDB;
DatabaseCon* mHashNodeDB;
// VFALCO TODO Wrap this in an interface
leveldb::DB* mHashNodeLDB;
leveldb::DB* mEphemeralLDB;
ScopedPointer <PeerDoor> mPeerDoor;
ScopedPointer <RPCDoor> mRPCDoor;
ScopedPointer <WSDoor> mWSPublicDoor;
ScopedPointer <WSDoor> mWSPrivateDoor;
boost::asio::deadline_timer mSweepTimer;
bool volatile mShutdown;
};
Application::Application ()
//
// VFALCO NOTE Change this to control whether or not the Application
// object is destroyed on exit
//
#if 1
// Application object will be deleted on exit. If the code doesn't exit
// cleanly this could cause hangs or crashes on exit.
//
: SharedSingleton <Application> (SingletonLifetime::persistAfterCreation)
#else
// This will make it so that the Application object is not deleted on exit.
//
: SharedSingleton <Application> (SingletonLifetime::neverDestroyed)
#endif
, mIOService ((theConfig.NODE_SIZE >= 2) ? 2 : 1)
, mIOWork (mIOService)
, mNetOps (&mLedgerMaster)
, m_rpcServerHandler (mNetOps)
, mTempNodeCache ("NodeCache", 16384, 90)
, mHashedObjectStore (16384, 300)
, mSLECache ("LedgerEntryCache", 4096, 120)
, mSNTPClient (mAuxService)
, mJobQueue (mIOService)
// VFALCO New stuff
, mFeatures (IFeatures::New (2 * 7 * 24 * 60 * 60, 200)) // two weeks, 200/256
, mFeeVote (IFeeVote::New (10, 50 * SYSTEM_CURRENCY_PARTS, 12.5 * SYSTEM_CURRENCY_PARTS))
, mFeeTrack (ILoadFeeTrack::New ())
, mHashRouter (IHashRouter::New (IHashRouter::getDefaultHoldTime ()))
, mValidations (IValidations::New ())
, mUNL (UniqueNodeList::New ())
, mProofOfWorkFactory (IProofOfWorkFactory::New ())
, mPeers (IPeers::New (mIOService))
, m_loadManager (ILoadManager::New ())
// VFALCO End new stuff
// VFALCO TODO replace all NULL with nullptr
, mRpcDB (NULL)
, mTxnDB (NULL)
, mLedgerDB (NULL)
, mWalletDB (NULL) // VFALCO NOTE are all these 'NULL' ctor params necessary?
, mNetNodeDB (NULL)
, mPathFindDB (NULL)
, mHashNodeDB (NULL)
, mHashNodeLDB (NULL)
, mEphemeralLDB (NULL)
, mPeerDoor (NULL)
, mRPCDoor (NULL)
, mWSPublicDoor (NULL)
, mWSPrivateDoor (NULL)
, mSweepTimer (mAuxService)
, mShutdown (false)
{
// VFALCO TODO remove these once the call is thread safe.
HashMaps::getInstance ().initializeNonce <size_t> ();
}
Application::~Application ()
{
// VFALCO TODO Wrap these in ScopedPointer
delete mTxnDB;
delete mLedgerDB;
delete mWalletDB;
delete mHashNodeDB;
delete mNetNodeDB;
delete mPathFindDB;
delete mHashNodeLDB;
if (mEphemeralLDB != nullptr)
delete mEphemeralLDB;
}
// VFALCO TODO Tidy these up into some class with accessors.
//
extern const char* RpcDBInit[], *TxnDBInit[], *LedgerDBInit[], *WalletDBInit[], *HashNodeDBInit[],
*NetNodeDBInit[], *PathFindDBInit[];
extern int RpcDBCount, TxnDBCount, LedgerDBCount, WalletDBCount, HashNodeDBCount,
NetNodeDBCount, PathFindDBCount;
void Application::stop ()
{
WriteLog (lsINFO, Application) << "Received shutdown request";
StopSustain ();
mShutdown = true;
mIOService.stop ();
mHashedObjectStore.waitWrite ();
mValidations->flush ();
mAuxService.stop ();
mJobQueue.shutdown ();
delete mHashNodeLDB;
mHashNodeLDB = NULL;
delete mEphemeralLDB;
mEphemeralLDB = NULL;
WriteLog (lsINFO, Application) << "Stopped: " << mIOService.stopped ();
mShutdown = false;
}
static void InitDB (DatabaseCon** dbCon, const char* fileName, const char* dbInit[], int dbCount)
{
*dbCon = new DatabaseCon (fileName, dbInit, dbCount);
}
#ifdef SIGINT
void sigIntHandler (int)
{
doShutdown = true;
}
#endif
// VFALCO TODO Figure this out it looks like the wrong tool
static void runAux (boost::asio::io_service& svc)
{
setCallingThreadName ("aux");
svc.run ();
}
static void runIO (boost::asio::io_service& io)
{
setCallingThreadName ("io");
io.run ();
}
// VFALCO TODO Break this function up into many small initialization segments.
// Or better yet refactor these initializations into RAII classes
// which are members of the Application object.
//
void Application::setup ()
{
// VFALCO NOTE: 0 means use heuristics to determine the thread count.
mJobQueue.setThreadCount (0, theConfig.RUN_STANDALONE);
mSweepTimer.expires_from_now (boost::posix_time::seconds (10));
mSweepTimer.async_wait (BIND_TYPE (&Application::sweep, this));
m_loadManager->startThread ();
#if ! BEAST_WIN32
#ifdef SIGINT
if (!theConfig.RUN_STANDALONE)
{
struct sigaction sa;
memset (&sa, 0, sizeof (sa));
sa.sa_handler = sigIntHandler;
sigaction (SIGINT, &sa, NULL);
}
#endif
#endif
assert (mTxnDB == NULL);
if (!theConfig.DEBUG_LOGFILE.empty ())
{
// Let BEAST_DEBUG messages go to the file but only WARNING or higher to regular output (unless verbose)
Log::setLogFile (theConfig.DEBUG_LOGFILE);
if (Log::getMinSeverity () > lsDEBUG)
LogPartition::setSeverity (lsDEBUG);
}
boost::thread (BIND_TYPE (runAux, boost::ref (mAuxService))).detach ();
if (!theConfig.RUN_STANDALONE)
mSNTPClient.init (theConfig.SNTP_SERVERS);
//
// Construct databases.
//
boost::thread t1 (BIND_TYPE (&InitDB, &mRpcDB, "rpc.db", RpcDBInit, RpcDBCount));
boost::thread t2 (BIND_TYPE (&InitDB, &mTxnDB, "transaction.db", TxnDBInit, TxnDBCount));
boost::thread t3 (BIND_TYPE (&InitDB, &mLedgerDB, "ledger.db", LedgerDBInit, LedgerDBCount));
t1.join ();
t2.join ();
t3.join ();
boost::thread t4 (BIND_TYPE (&InitDB, &mWalletDB, "wallet.db", WalletDBInit, WalletDBCount));
boost::thread t6 (BIND_TYPE (&InitDB, &mNetNodeDB, "netnode.db", NetNodeDBInit, NetNodeDBCount));
boost::thread t7 (BIND_TYPE (&InitDB, &mPathFindDB, "pathfind.db", PathFindDBInit, PathFindDBCount));
t4.join ();
t6.join ();
t7.join ();
leveldb::Options options;
options.create_if_missing = true;
options.block_cache = leveldb::NewLRUCache (theConfig.getSize (siHashNodeDBCache) * 1024 * 1024);
if (theConfig.NODE_SIZE >= 2)
options.filter_policy = leveldb::NewBloomFilterPolicy (10);
if (theConfig.LDB_IMPORT)
options.write_buffer_size = 32 << 20;
if (mHashedObjectStore.isLevelDB ())
{
WriteLog (lsINFO, Application) << "LevelDB used for nodes";
leveldb::Status status = leveldb::DB::Open (options, (theConfig.DATA_DIR / "hashnode").string (), &mHashNodeLDB);
if (!status.ok () || !mHashNodeLDB)
{
WriteLog (lsFATAL, Application) << "Unable to open/create hash node db: "
<< (theConfig.DATA_DIR / "hashnode").string ()
<< " " << status.ToString ();
StopSustain ();
exit (3);
}
}
else
{
WriteLog (lsINFO, Application) << "SQLite used for nodes";
boost::thread t5 (BIND_TYPE (&InitDB, &mHashNodeDB, "hashnode.db", HashNodeDBInit, HashNodeDBCount));
t5.join ();
}
if (!theConfig.LDB_EPHEMERAL.empty ())
{
leveldb::Status status = leveldb::DB::Open (options, theConfig.LDB_EPHEMERAL, &mEphemeralLDB);
if (!status.ok () || !mEphemeralLDB)
{
WriteLog (lsFATAL, Application) << "Unable to open/create epehemeral db: "
<< theConfig.LDB_EPHEMERAL << " " << status.ToString ();
StopSustain ();
exit (3);
}
}
if (!mHashedObjectStore.isLevelDB ())
{
getApp().getHashNodeDB ()->getDB ()->executeSQL (boost::str (boost::format ("PRAGMA cache_size=-%d;") %
(theConfig.getSize (siHashNodeDBCache) * 1024)));
getApp().getHashNodeDB ()->getDB ()->setupCheckpointing (&mJobQueue);
}
getApp().getLedgerDB ()->getDB ()->executeSQL (boost::str (boost::format ("PRAGMA cache_size=-%d;") %
(theConfig.getSize (siLgrDBCache) * 1024)));
getApp().getTxnDB ()->getDB ()->executeSQL (boost::str (boost::format ("PRAGMA cache_size=-%d;") %
(theConfig.getSize (siTxnDBCache) * 1024)));
mTxnDB->getDB ()->setupCheckpointing (&mJobQueue);
mLedgerDB->getDB ()->setupCheckpointing (&mJobQueue);
if (!theConfig.RUN_STANDALONE)
updateTables (theConfig.LDB_IMPORT);
mFeatures->addInitialFeatures ();
if (theConfig.START_UP == Config::FRESH)
{
WriteLog (lsINFO, Application) << "Starting new Ledger";
startNewLedger ();
}
else if (theConfig.START_UP == Config::LOAD)
{
WriteLog (lsINFO, Application) << "Loading specified Ledger";
if (!loadOldLedger (theConfig.START_LEDGER))
{
getApp().stop ();
exit (-1);
}
}
else if (theConfig.START_UP == Config::NETWORK)
{
// This should probably become the default once we have a stable network
if (!theConfig.RUN_STANDALONE)
mNetOps.needNetworkLedger ();
startNewLedger ();
}
else
startNewLedger ();
mOrderBookDB.setup (getApp().getLedgerMaster ().getCurrentLedger ());
//
// Begin validation and ip maintenance.
// - LocalCredentials maintains local information: including identity and network connection persistence information.
//
m_localCredentials.start ();
//
// Set up UNL.
//
if (!theConfig.RUN_STANDALONE)
getUNL ().nodeBootstrap ();
mValidations->tune (theConfig.getSize (siValidationsSize), theConfig.getSize (siValidationsAge));
mHashedObjectStore.tune (theConfig.getSize (siNodeCacheSize), theConfig.getSize (siNodeCacheAge));
mLedgerMaster.tune (theConfig.getSize (siLedgerSize), theConfig.getSize (siLedgerAge));
mSLECache.setTargetSize (theConfig.getSize (siSLECacheSize));
mSLECache.setTargetAge (theConfig.getSize (siSLECacheAge));
mLedgerMaster.setMinValidations (theConfig.VALIDATION_QUORUM);
//
// Allow peer connections.
//
if (!theConfig.RUN_STANDALONE)
{
try
{
mPeerDoor = new PeerDoor (
theConfig.PEER_IP,
theConfig.PEER_PORT,
theConfig.PEER_SSL_CIPHER_LIST,
mIOService);
}
catch (const std::exception& e)
{
// Must run as directed or exit.
WriteLog (lsFATAL, Application) << boost::str (boost::format ("Can not open peer service: %s") % e.what ());
exit (3);
}
}
else
{
WriteLog (lsINFO, Application) << "Peer interface: disabled";
}
//
// Allow RPC connections.
//
if (! theConfig.getRpcIP().empty () && theConfig.getRpcPort() != 0)
{
try
{
mRPCDoor = new RPCDoor (mIOService, m_rpcServerHandler);
}
catch (const std::exception& e)
{
// Must run as directed or exit.
WriteLog (lsFATAL, Application) << boost::str (boost::format ("Can not open RPC service: %s") % e.what ());
exit (3);
}
}
else
{
WriteLog (lsINFO, Application) << "RPC interface: disabled";
}
//
// Allow private WS connections.
//
if (!theConfig.WEBSOCKET_IP.empty () && theConfig.WEBSOCKET_PORT)
{
try
{
mWSPrivateDoor = WSDoor::createWSDoor (theConfig.WEBSOCKET_IP, theConfig.WEBSOCKET_PORT, false);
}
catch (const std::exception& e)
{
// Must run as directed or exit.
WriteLog (lsFATAL, Application) << boost::str (boost::format ("Can not open private websocket service: %s") % e.what ());
exit (3);
}
}
else
{
WriteLog (lsINFO, Application) << "WS private interface: disabled";
}
//
// Allow public WS connections.
//
if (!theConfig.WEBSOCKET_PUBLIC_IP.empty () && theConfig.WEBSOCKET_PUBLIC_PORT)
{
try
{
mWSPublicDoor = WSDoor::createWSDoor (theConfig.WEBSOCKET_PUBLIC_IP, theConfig.WEBSOCKET_PUBLIC_PORT, true);
}
catch (const std::exception& e)
{
// Must run as directed or exit.
WriteLog (lsFATAL, Application) << boost::str (boost::format ("Can not open public websocket service: %s") % e.what ());
exit (3);
}
}
else
{
WriteLog (lsINFO, Application) << "WS public interface: disabled";
}
//
// Begin connecting to network.
//
if (!theConfig.RUN_STANDALONE)
mPeers->start ();
if (theConfig.RUN_STANDALONE)
{
WriteLog (lsWARNING, Application) << "Running in standalone mode";
mNetOps.setStandAlone ();
}
else
{
// VFALCO NOTE the state timer resets the deadlock detector.
//
mNetOps.setStateTimer ();
}
}
void Application::run ()
{
if (theConfig.NODE_SIZE >= 2)
{
boost::thread (BIND_TYPE (runIO, boost::ref (mIOService))).detach ();
}
if (!theConfig.RUN_STANDALONE)
{
// VFALCO NOTE This seems unnecessary. If we properly refactor the load
// manager then the deadlock detector can just always be "armed"
//
getApp().getLoadManager ().activateDeadlockDetector ();
}
mIOService.run (); // This blocks
if (mWSPublicDoor)
mWSPublicDoor->stop ();
if (mWSPrivateDoor)
mWSPrivateDoor->stop ();
// VFALCO TODO Try to not have to do this early, by using observers to
// eliminate LoadManager's dependency inversions.
//
// This deletes the object and therefore, stops the thread.
m_loadManager = nullptr;
mSweepTimer.cancel();
WriteLog (lsINFO, Application) << "Done.";
// VFALCO NOTE This is a sign that something is wrong somewhere, it
// shouldn't be necessary to sleep until some flag is set.
while (mShutdown)
boost::this_thread::sleep (boost::posix_time::milliseconds (100));
}
void Application::sweep ()
{
boost::filesystem::space_info space = boost::filesystem::space (theConfig.DATA_DIR);
// VFALCO TODO Give this magic constant a name and move it into a well documented header
//
if (space.available < (512 * 1024 * 1024))
{
WriteLog (lsFATAL, Application) << "Remaining free disk space is less than 512MB";
getApp().stop ();
}
// VFALCO NOTE Does the order of calls matter?
// VFALCO TODO fix the dependency inversion using an observer,
// have listeners register for "onSweep ()" notification.
//
mMasterTransaction.sweep ();
mHashedObjectStore.sweep ();
mLedgerMaster.sweep ();
mTempNodeCache.sweep ();
mValidations->sweep ();
getInboundLedgers ().sweep ();
mSLECache.sweep ();
AcceptedLedger::sweep (); // VFALCO NOTE AcceptedLedger is/has a singleton?
SHAMap::sweep (); // VFALCO NOTE SHAMap is/has a singleton?
mNetOps.sweepFetchPack ();
// VFALCO NOTE does the call to sweep() happen on another thread?
mSweepTimer.expires_from_now (boost::posix_time::seconds (theConfig.getSize (siSweepInterval)));
mSweepTimer.async_wait (BIND_TYPE (&Application::sweep, this));
}
void Application::startNewLedger ()
{
// New stuff.
RippleAddress rootSeedMaster = RippleAddress::createSeedGeneric ("masterpassphrase");
RippleAddress rootGeneratorMaster = RippleAddress::createGeneratorPublic (rootSeedMaster);
RippleAddress rootAddress = RippleAddress::createAccountPublic (rootGeneratorMaster, 0);
// Print enough information to be able to claim root account.
WriteLog (lsINFO, Application) << "Root master seed: " << rootSeedMaster.humanSeed ();
WriteLog (lsINFO, Application) << "Root account: " << rootAddress.humanAccountID ();
{
Ledger::pointer firstLedger = boost::make_shared<Ledger> (rootAddress, SYSTEM_CURRENCY_START);
assert (!!firstLedger->getAccountState (rootAddress));
// WRITEME: Add any default features
// WRITEME: Set default fee/reserve
firstLedger->updateHash ();
firstLedger->setClosed ();
firstLedger->setAccepted ();
mLedgerMaster.pushLedger (firstLedger);
Ledger::pointer secondLedger = boost::make_shared<Ledger> (true, boost::ref (*firstLedger));
secondLedger->setClosed ();
secondLedger->setAccepted ();
mLedgerMaster.pushLedger (secondLedger, boost::make_shared<Ledger> (true, boost::ref (*secondLedger)), false);
assert (!!secondLedger->getAccountState (rootAddress));
mNetOps.setLastCloseTime (secondLedger->getCloseTimeNC ());
}
}
bool Application::loadOldLedger (const std::string& l)
{
try
{
Ledger::pointer loadLedger;
if (l.empty () || (l == "latest"))
loadLedger = Ledger::getLastFullLedger ();
else if (l.length () == 64)
{
// by hash
uint256 hash;
hash.SetHex (l);
loadLedger = Ledger::loadByHash (hash);
}
else // assume by sequence
loadLedger = Ledger::loadByIndex (boost::lexical_cast<uint32> (l));
if (!loadLedger)
{
WriteLog (lsFATAL, Application) << "No Ledger found?" << std::endl;
return false;
}
loadLedger->setClosed ();
WriteLog (lsINFO, Application) << "Loading ledger " << loadLedger->getHash () << " seq:" << loadLedger->getLedgerSeq ();
if (loadLedger->getAccountHash ().isZero ())
{
WriteLog (lsFATAL, Application) << "Ledger is empty.";
assert (false);
return false;
}
if (!loadLedger->walkLedger ())
{
WriteLog (lsFATAL, Application) << "Ledger is missing nodes.";
return false;
}
if (!loadLedger->assertSane ())
{
WriteLog (lsFATAL, Application) << "Ledger is not sane.";
return false;
}
mLedgerMaster.setLedgerRangePresent (loadLedger->getLedgerSeq (), loadLedger->getLedgerSeq ());
Ledger::pointer openLedger = boost::make_shared<Ledger> (false, boost::ref (*loadLedger));
mLedgerMaster.switchLedgers (loadLedger, openLedger);
mNetOps.setLastCloseTime (loadLedger->getCloseTimeNC ());
}
catch (SHAMapMissingNode&)
{
WriteLog (lsFATAL, Application) << "Data is missing for selected ledger";
return false;
}
catch (boost::bad_lexical_cast&)
{
WriteLog (lsFATAL, Application) << "Ledger specified '" << l << "' is not valid";
return false;
}
return true;
}
bool serverOkay (std::string& reason)
{
if (!theConfig.ELB_SUPPORT)
return true;
if (getApp().isShutdown ())
{
reason = "Server is shutting down";
return false;
}
if (getApp().getOPs ().isNeedNetworkLedger ())
{
reason = "Not synchronized with network yet";
return false;
}
if (getApp().getOPs ().getOperatingMode () < NetworkOPs::omSYNCING)
{
reason = "Not synchronized with network";
return false;
}
if (!getApp().getLedgerMaster().isCaughtUp(reason))
return false;
if (getApp().getFeeTrack ().isLoaded ())
{
reason = "Too much load";
return false;
}
if (getApp().getOPs ().isFeatureBlocked ())
{
reason = "Server version too old";
return false;
}
return true;
}
//VFALCO TODO clean this up since it is just a file holding a single member function definition
static std::vector<std::string> getSchema (DatabaseCon* dbc, const std::string& dbName)
{
std::vector<std::string> schema;
std::string sql = "SELECT sql FROM sqlite_master WHERE tbl_name='";
sql += dbName;
sql += "';";
SQL_FOREACH (dbc->getDB (), sql)
{
dbc->getDB ()->getStr ("sql", sql);
schema.push_back (sql);
}
return schema;
}
static bool schemaHas (DatabaseCon* dbc, const std::string& dbName, int line, const std::string& content)
{
std::vector<std::string> schema = getSchema (dbc, dbName);
if (static_cast<int> (schema.size ()) <= line)
{
Log (lsFATAL) << "Schema for " << dbName << " has too few lines";
throw std::runtime_error ("bad schema");
}
return schema[line].find (content) != std::string::npos;
}
static void addTxnSeqField ()
{
if (schemaHas (getApp().getTxnDB (), "AccountTransactions", 0, "TxnSeq"))
return;
Log (lsWARNING) << "Transaction sequence field is missing";
Database* db = getApp().getTxnDB ()->getDB ();
std::vector< std::pair<uint256, int> > txIDs;
txIDs.reserve (300000);
Log (lsINFO) << "Parsing transactions";
int i = 0;
uint256 transID;
SQL_FOREACH (db, "SELECT TransID,TxnMeta FROM Transactions;")
{
Blob rawMeta;
int metaSize = 2048;
rawMeta.resize (metaSize);
metaSize = db->getBinary ("TxnMeta", &*rawMeta.begin (), rawMeta.size ());
if (metaSize > static_cast<int> (rawMeta.size ()))
{
rawMeta.resize (metaSize);
db->getBinary ("TxnMeta", &*rawMeta.begin (), rawMeta.size ());
}
else rawMeta.resize (metaSize);
std::string tid;
db->getStr ("TransID", tid);
transID.SetHex (tid, true);
if (rawMeta.size () == 0)
{
txIDs.push_back (std::make_pair (transID, -1));
Log (lsINFO) << "No metadata for " << transID;
}
else
{
TransactionMetaSet m (transID, 0, rawMeta);
txIDs.push_back (std::make_pair (transID, m.getIndex ()));
}
if ((++i % 1000) == 0)
Log (lsINFO) << i << " transactions read";
}
Log (lsINFO) << "All " << i << " transactions read";
db->executeSQL ("BEGIN TRANSACTION;");
Log (lsINFO) << "Dropping old index";
db->executeSQL ("DROP INDEX AcctTxIndex;");
Log (lsINFO) << "Altering table";
db->executeSQL ("ALTER TABLE AccountTransactions ADD COLUMN TxnSeq INTEGER;");
typedef std::pair<uint256, int> u256_int_pair_t;
boost::format fmt ("UPDATE AccountTransactions SET TxnSeq = %d WHERE TransID = '%s';");
i = 0;
BOOST_FOREACH (u256_int_pair_t & t, txIDs)
{
db->executeSQL (boost::str (fmt % t.second % t.first.GetHex ()));
if ((++i % 1000) == 0)
Log (lsINFO) << i << " transactions updated";
}
Log (lsINFO) << "Building new index";
db->executeSQL ("CREATE INDEX AcctTxIndex ON AccountTransactions(Account, LedgerSeq, TxnSeq, TransID);");
db->executeSQL ("END TRANSACTION;");
}
void Application::updateTables (bool ldbImport)
{
// perform any needed table updates
assert (schemaHas (getApp().getTxnDB (), "AccountTransactions", 0, "TransID"));
assert (!schemaHas (getApp().getTxnDB (), "AccountTransactions", 0, "foobar"));
addTxnSeqField ();
if (schemaHas (getApp().getTxnDB (), "AccountTransactions", 0, "PRIMARY"))
{
Log (lsFATAL) << "AccountTransactions database should not have a primary key";
StopSustain ();
exit (1);
}
if (getApp().getHashedObjectStore ().isLevelDB ())
{
boost::filesystem::path hashPath = theConfig.DATA_DIR / "hashnode.db";
if (boost::filesystem::exists (hashPath))
{
if (theConfig.LDB_IMPORT)
{
Log (lsWARNING) << "Importing SQLite -> LevelDB";
getApp().getHashedObjectStore ().import (hashPath.string ());
Log (lsWARNING) << "Remove or remname the hashnode.db file";
}
else
{
Log (lsWARNING) << "SQLite hashnode database exists. Please either remove or import";
Log (lsWARNING) << "To import, start with the '--import' option. Otherwise, remove hashnode.db";
StopSustain ();
exit (1);
}
}
}
}
//------------------------------------------------------------------------------
IApplication& getApp ()
{
return *Application::getInstance ();
}