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Improve error reporting in leveldb backend

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This commit is contained in:
sfan5 2014-06-25 07:25:33 +02:00
parent 9b44bbd0a6
commit d020e0771d
1 changed files with 13 additions and 8 deletions
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21
src/database-leveldb.cpp
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@ -36,12 +36,17 @@ LevelDB databases
#include "settings.h"
#include "log.h"
#define ENSURE_STATUS_OK(s) \
if (!s.ok()) { \
throw FileNotGoodException(std::string("LevelDB error: ") + s.ToString()); \
}
Database_LevelDB::Database_LevelDB(ServerMap *map, std::string savedir)
{
leveldb::Options options;
options.create_if_missing = true;
leveldb::Status status = leveldb::DB::Open(options, savedir + DIR_DELIM + "map.db", &m_database);
assert(status.ok());
ENSURE_STATUS_OK(status);
srvmap = map;
}
@ -81,7 +86,8 @@ void Database_LevelDB::saveBlock(MapBlock *block)
// Write block to database
std::string tmp = o.str();
m_database->Put(leveldb::WriteOptions(), i64tos(getBlockAsInteger(p3d)), tmp);
leveldb::Status status = m_database->Put(leveldb::WriteOptions(), i64tos(getBlockAsInteger(p3d)), tmp);
ENSURE_STATUS_OK(status);
// We just wrote it to the disk so clear modified flag
block->resetModified();
@ -92,9 +98,10 @@ MapBlock* Database_LevelDB::loadBlock(v3s16 blockpos)
v2s16 p2d(blockpos.X, blockpos.Z);
std::string datastr;
leveldb::Status s = m_database->Get(leveldb::ReadOptions(),
leveldb::Status status = m_database->Get(leveldb::ReadOptions(),
i64tos(getBlockAsInteger(blockpos)), &datastr);
if (datastr.length() == 0 && s.ok()) {
ENSURE_STATUS_OK(status);
if (datastr.length() == 0) {
errorstream << "Blank block data in database (datastr.length() == 0) ("
<< blockpos.X << "," << blockpos.Y << "," << blockpos.Z << ")" << std::endl;
@ -105,9 +112,7 @@ MapBlock* Database_LevelDB::loadBlock(v3s16 blockpos)
throw SerializationError("Blank block data in database");
}
return NULL;
}
if (s.ok()) {
} else {
/*
Make sure sector is loaded
*/
@ -176,7 +181,7 @@ void Database_LevelDB::listAllLoadableBlocks(std::list<v3s16> &dst)
for (it->SeekToFirst(); it->Valid(); it->Next()) {
dst.push_back(getIntegerAsBlock(stoi64(it->key().ToString())));
}
assert(it->status().ok()); // Check for any errors found during the scan
ENSURE_STATUS_OK(it->status()); // Check for any errors found during the scan
delete it;
}