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Clean up database API and save the local map on an interval

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This commit is contained in:
ShadowNinja 2014-11-16 15:31:57 -05:00
parent c7454d4732
commit 708337dfc2
16 changed files with 391 additions and 519 deletions
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76
src/map.cpp
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@ -53,22 +53,6 @@ with this program; if not, write to the Free Software Foundation, Inc.,
#define PP(x) "("<<(x).X<<","<<(x).Y<<","<<(x).Z<<")"
/*
SQLite format specification:
- Initially only replaces sectors/ and sectors2/
If map.sqlite does not exist in the save dir
or the block was not found in the database
the map will try to load from sectors folder.
In either case, map.sqlite will be created
and all future saves will save there.
Structure of map.sqlite:
Tables:
blocks
(PK) INT pos
BLOB data
*/
/*
Map
@ -2031,25 +2015,26 @@ ServerMap::ServerMap(std::string savedir, IGameDef *gamedef, EmergeManager *emer
bool succeeded = conf.readConfigFile(conf_path.c_str());
if (!succeeded || !conf.exists("backend")) {
// fall back to sqlite3
dbase = new Database_SQLite3(this, savedir);
conf.set("backend", "sqlite3");
} else {
std::string backend = conf.get("backend");
if (backend == "dummy")
dbase = new Database_Dummy(this);
else if (backend == "sqlite3")
dbase = new Database_SQLite3(this, savedir);
#if USE_LEVELDB
else if (backend == "leveldb")
dbase = new Database_LevelDB(this, savedir);
#endif
#if USE_REDIS
else if (backend == "redis")
dbase = new Database_Redis(this, savedir);
#endif
else
throw BaseException("Unknown map backend");
}
std::string backend = conf.get("backend");
if (backend == "dummy")
dbase = new Database_Dummy();
else if (backend == "sqlite3")
dbase = new Database_SQLite3(savedir);
#if USE_LEVELDB
else if (backend == "leveldb")
dbase = new Database_LevelDB(savedir);
#endif
#if USE_REDIS
else if (backend == "redis")
dbase = new Database_Redis(conf);
#endif
else
throw BaseException("Unknown map backend");
if (!conf.updateConfigFile(conf_path.c_str()))
errorstream << "ServerMap::ServerMap(): Failed to update world.mt!" << std::endl;
m_savedir = savedir;
m_map_saving_enabled = false;
@ -2828,7 +2813,8 @@ plan_b:
}
bool ServerMap::loadFromFolders() {
if(!dbase->Initialized() && !fs::PathExists(m_savedir + DIR_DELIM + "map.sqlite")) // ?
if(!dbase->initialized() &&
!fs::PathExists(m_savedir + DIR_DELIM + "map.sqlite"))
return true;
return false;
}
@ -2850,14 +2836,14 @@ std::string ServerMap::getSectorDir(v2s16 pos, int layout)
{
case 1:
snprintf(cc, 9, "%.4x%.4x",
(unsigned int)pos.X&0xffff,
(unsigned int)pos.Y&0xffff);
(unsigned int) pos.X & 0xffff,
(unsigned int) pos.Y & 0xffff);
return m_savedir + DIR_DELIM + "sectors" + DIR_DELIM + cc;
case 2:
snprintf(cc, 9, "%.3x" DIR_DELIM "%.3x",
(unsigned int)pos.X&0xfff,
(unsigned int)pos.Y&0xfff);
snprintf(cc, 9, (std::string("%.3x") + DIR_DELIM + "%.3x").c_str(),
(unsigned int) pos.X & 0xfff,
(unsigned int) pos.Y & 0xfff);
return m_savedir + DIR_DELIM + "sectors2" + DIR_DELIM + cc;
default:
@ -2881,10 +2867,10 @@ v2s16 ServerMap::getSectorPos(std::string dirname)
{
// New layout
fs::RemoveLastPathComponent(dirname, &component, 2);
r = sscanf(component.c_str(), "%3x" DIR_DELIM "%3x", &x, &y);
r = sscanf(component.c_str(), (std::string("%3x") + DIR_DELIM + "%3x").c_str(), &x, &y);
// Sign-extend the 12 bit values up to 16 bits...
if(x&0x800) x|=0xF000;
if(y&0x800) y|=0xF000;
if(x & 0x800) x |= 0xF000;
if(y & 0x800) y |= 0xF000;
}
else
{
@ -3299,7 +3285,7 @@ bool ServerMap::saveBlock(MapBlock *block, Database *db)
std::string data = o.str();
bool ret = db->saveBlock(p3d, data);
if(ret) {
if (ret) {
// We just wrote it to the disk so clear modified flag
block->resetModified();
}
@ -3311,7 +3297,7 @@ void ServerMap::loadBlock(std::string sectordir, std::string blockfile,
{
DSTACK(__FUNCTION_NAME);
std::string fullpath = sectordir+DIR_DELIM+blockfile;
std::string fullpath = sectordir + DIR_DELIM + blockfile;
try {
std::ifstream is(fullpath.c_str(), std::ios_base::binary);
@ -3513,7 +3499,7 @@ MapBlock* ServerMap::loadBlock(v3s16 blockpos)
*/
std::string blockfilename = getBlockFilename(blockpos);
if(fs::PathExists(sectordir+DIR_DELIM+blockfilename) == false)
if(fs::PathExists(sectordir + DIR_DELIM + blockfilename) == false)
return NULL;
/*