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Merge function to add all nodes from another database.

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This commit is contained in:
JoelKatz
2013-01-09 20:48:56 -08:00
parent cf284897bb
commit 99a8925fe5
2 changed files with 70 additions and 0 deletions
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68
src/cpp/ripple/HashedObject.cpp
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@@ -4,6 +4,8 @@
#include <boost/lexical_cast.hpp>
#include <boost/foreach.hpp>
#include "../database/SqliteDatabase.h"
#include "Serializer.h"
#include "Application.h"
#include "Log.h"
@@ -188,4 +190,70 @@ HashedObject::pointer HashedObjectStore::retrieve(const uint256& hash)
return obj;
}
int HashedObjectStore::import(const std::string& file)
{
cLog(lsWARNING) << "Hash import from \"" << file << "\".";
std::auto_ptr<Database> importDB(new SqliteDatabase(file.c_str()));
importDB->connect();
int countYes = 0, countNo = 0;
SQL_FOREACH(importDB, "SELECT * FROM CommittedObjects;")
{
uint256 hash;
std::string hashStr;
importDB->getStr("Hash", hashStr);
hash.SetHex(hashStr);
if (hash.isZero())
{
cLog(lsWARNING) << "zero hash found in import table";
}
else
{
if (retrieve(hash) != HashedObject::pointer())
++countNo;
else
{ // we don't have this object
std::vector<unsigned char> data;
std::string type;
importDB->getStr("ObjType", type);
uint32 index = importDB->getBigInt("LedgerIndex");
int size = importDB->getBinary("Object", NULL, 0);
data.resize(size);
importDB->getBinary("Object", &(data.front()), size);
assert(Serializer::getSHA512Half(data) == hash);
HashedObjectType htype = hotUNKNOWN;
switch (type[0])
{
case 'L': htype = hotLEDGER; break;
case 'T': htype = hotTRANSACTION; break;
case 'A': htype = hotACCOUNT_NODE; break;
case 'N': htype = hotTRANSACTION_NODE; break;
default:
assert(false);
cLog(lsERROR) << "Invalid hashed object";
}
if (Serializer::getSHA512Half(data) != hash)
{
cLog(lsWARNING) << "Hash mismatch in import table " << hash
<< " " << Serializer::getSHA512Half(data);
}
else
{
store(htype, index, data, hash);
++countYes;
}
}
}
}
cLog(lsWARNING) << "Imported " << countYes << " nodes, had " << countNo << " nodes";
waitWrite();
return countYes;
}
// vim:ts=4