cWSSCompact::cPAKFile::~cPAKFile()
{
if (m_NumDirty > 0)
{
SynchronizeFile();
}
for (sChunkHeaders::iterator itr = m_ChunkHeaders.begin(); itr != m_ChunkHeaders.end(); ++itr)
{
delete *itr;
}
}
bool cWSSCompact::cPAKFile::SaveChunk(const cChunkCoords & a_Chunk, cWorld * a_World)
{
if (!SaveChunkToData(a_Chunk, a_World))
{
return false;
}
if (m_NumDirty > MAX_DIRTY_CHUNKS)
{
SynchronizeFile();
}
return true;
}
static void CheckUpdates(void)
{
FILE *fi;
char buf[256];
fi = fopen(CRONUPDATE, "r");
if (fi != NULL) {
remove(CRONUPDATE);
while (fgets(buf, sizeof(buf), fi) != NULL) {
SynchronizeFile(strtok(buf, " \t\r\n"));
}
fclose(fi);
}
}
static void CheckUpdates(void)
{
FILE *fi;
char buf[256];
fi = fopen(CRONUPDATE, "r");
if (fi != NULL) {
unlink(CRONUPDATE);
while (fgets(buf, sizeof(buf), fi) != NULL) {
/* use first word only */
SynchronizeFile(strtok(buf, " \t\r\n"));
}
fclose(fi);
}
}
static void SynchronizeDir(void)
{
/* Attempt to delete the database. */
for (;;) {
CronFile *file;
for (file = FileBase; file && file->cf_Deleted; file = file->cf_Next);
if (file == NULL) {
break;
}
DeleteFile(file->cf_User);
}
/*
* Remove cron update file
*
* Re-chdir, in case directory was renamed & deleted, or otherwise
* screwed up.
*
* scan directory and add associated users
*/
remove(CRONUPDATE);
if (chdir(CDir) < 0) {
crondlog("\311unable to find %s\n", CDir);
}
{
DIR *dir = opendir(".");
struct dirent *den;
if (dir) {
while ((den = readdir(dir))) {
if (strchr(den->d_name, '.') != NULL) {
continue;
}
if (getpwnam(den->d_name)) {
SynchronizeFile(den->d_name);
} else {
crondlog("\007ignoring %s\n", den->d_name);
}
}
closedir(dir);
} else {
crondlog("\311Unable to open current dir!\n");
}
}
}
static void SynchronizeDir(void)
{
CronFile *file;
/* Attempt to delete the database. */
again:
for (file = FileBase; file; file = file->cf_Next) {
if (!file->cf_Deleted) {
DeleteFile(file->cf_User);
goto again;
}
}
/*
* Remove cron update file
*
* Re-chdir, in case directory was renamed & deleted, or otherwise
* screwed up.
*
* scan directory and add associated users
*/
unlink(CRONUPDATE);
if (chdir(CDir) < 0) {
crondlog(DIE9 "can't chdir(%s)", CDir);
}
{
DIR *dir = opendir(".");
struct dirent *den;
if (!dir)
crondlog(DIE9 "can't chdir(%s)", "."); /* exits */
while ((den = readdir(dir)) != NULL) {
if (strchr(den->d_name, '.') != NULL) {
continue;
}
if (getpwnam(den->d_name)) {
SynchronizeFile(den->d_name);
} else {
crondlog(LVL7 "ignoring %s", den->d_name);
}
}
closedir(dir);
}
}
void cWSSCompact::cPAKFile::UpdateChunk2To3()
{
int Offset = 0;
AString NewDataContents;
int ChunksConverted = 0;
for (sChunkHeaders::iterator itr = m_ChunkHeaders.begin(); itr != m_ChunkHeaders.end(); ++itr)
{
sChunkHeader * Header = *itr;
if( ChunksConverted % 32 == 0 )
{
LOGINFO("Updating \"%s\" version 2 to version 3: " SIZE_T_FMT " %%", m_FileName.c_str(), (ChunksConverted * 100) / m_ChunkHeaders.size() );
}
ChunksConverted++;
AString Data;
int UncompressedSize = Header->m_UncompressedSize;
Data.assign(m_DataContents, Offset, Header->m_CompressedSize);
Offset += Header->m_CompressedSize;
// Crude data integrity check:
const int ExpectedSize = (16*256*16)*2 + (16*256*16)/2; // For version 2
if (UncompressedSize < ExpectedSize)
{
LOGWARNING("Chunk [%d, %d] has too short decompressed data (%d bytes out of %d needed), erasing",
Header->m_ChunkX, Header->m_ChunkZ,
UncompressedSize, ExpectedSize
);
Offset += Header->m_CompressedSize;
continue;
}
// Decompress the data:
AString UncompressedData;
{
int errorcode = UncompressString(Data.data(), Data.size(), UncompressedData, UncompressedSize);
if (errorcode != Z_OK)
{
LOGERROR("Error %d decompressing data for chunk [%d, %d]",
errorcode,
Header->m_ChunkX, Header->m_ChunkZ
);
Offset += Header->m_CompressedSize;
continue;
}
}
if (UncompressedSize != (int)UncompressedData.size())
{
LOGWARNING("Uncompressed data size differs (exp %d bytes, got " SIZE_T_FMT ") for chunk [%d, %d]",
UncompressedSize, UncompressedData.size(),
Header->m_ChunkX, Header->m_ChunkZ
);
Offset += Header->m_CompressedSize;
continue;
}
char ConvertedData[ExpectedSize];
memset(ConvertedData, 0, ExpectedSize);
// Cannot use cChunk::MakeIndex because it might change again?????????
// For compatibility, use what we know is current
#define MAKE_3_INDEX( x, y, z ) ( x + (z * 16) + (y * 16 * 16) )
unsigned int InChunkOffset = 0;
for( int x = 0; x < 16; ++x ) for( int z = 0; z < 16; ++z ) for( int y = 0; y < 256; ++y ) // YZX Loop order is important, in 1.1 Y was first then Z then X
{
ConvertedData[ MAKE_3_INDEX(x, y, z) ] = UncompressedData[InChunkOffset];
++InChunkOffset;
} // for y, z, x
unsigned int index2 = 0;
for( int x = 0; x < 16; ++x ) for( int z = 0; z < 16; ++z ) for( int y = 0; y < 256; ++y )
{
ConvertedData[ InChunkOffset + MAKE_3_INDEX(x, y, z)/2 ] |= ( (UncompressedData[ InChunkOffset + index2/2 ] >> ((index2&1)*4) ) & 0x0f ) << ((x&1)*4);
++index2;
}
InChunkOffset += index2 / 2;
index2 = 0;
for( int x = 0; x < 16; ++x ) for( int z = 0; z < 16; ++z ) for( int y = 0; y < 256; ++y )
{
ConvertedData[ InChunkOffset + MAKE_3_INDEX(x, y, z)/2 ] |= ( (UncompressedData[ InChunkOffset + index2/2 ] >> ((index2&1)*4) ) & 0x0f ) << ((x&1)*4);
++index2;
}
InChunkOffset += index2 / 2;
index2 = 0;
for( int x = 0; x < 16; ++x ) for( int z = 0; z < 16; ++z ) for( int y = 0; y < 256; ++y )
{
ConvertedData[ InChunkOffset + MAKE_3_INDEX(x, y, z)/2 ] |= ( (UncompressedData[ InChunkOffset + index2/2 ] >> ((index2&1)*4) ) & 0x0f ) << ((x&1)*4);
++index2;
}
InChunkOffset += index2 / 2;
AString Converted(ConvertedData, ExpectedSize);
// Add JSON data afterwards
if (UncompressedData.size() > InChunkOffset)
{
Converted.append( UncompressedData.begin() + InChunkOffset, UncompressedData.end() );
}
// Re-compress data
AString CompressedData;
{
int errorcode = CompressString(Converted.data(), Converted.size(), CompressedData, m_CompressionFactor);
if (errorcode != Z_OK)
{
LOGERROR("Error %d compressing data for chunk [%d, %d]",
errorcode,
Header->m_ChunkX, Header->m_ChunkZ
);
continue;
}
}
// Save into file's cache
Header->m_UncompressedSize = Converted.size();
Header->m_CompressedSize = CompressedData.size();
NewDataContents.append( CompressedData );
}
// Done converting
m_DataContents = NewDataContents;
m_ChunkVersion = 3;
SynchronizeFile();
LOGINFO("Updated \"%s\" version 2 to version 3", m_FileName.c_str() );
}
void cWSSCompact::cPAKFile::UpdateChunk1To2()
{
int Offset = 0;
AString NewDataContents;
int ChunksConverted = 0;
for (sChunkHeaders::iterator itr = m_ChunkHeaders.begin(); itr != m_ChunkHeaders.end(); ++itr)
{
sChunkHeader * Header = *itr;
if( ChunksConverted % 32 == 0 )
{
LOGINFO("Updating \"%s\" version 1 to version 2: " SIZE_T_FMT " %%", m_FileName.c_str(), (ChunksConverted * 100) / m_ChunkHeaders.size() );
}
ChunksConverted++;
AString Data;
int UncompressedSize = Header->m_UncompressedSize;
Data.assign(m_DataContents, Offset, Header->m_CompressedSize);
Offset += Header->m_CompressedSize;
// Crude data integrity check:
int ExpectedSize = (16*128*16)*2 + (16*128*16)/2; // For version 1
if (UncompressedSize < ExpectedSize)
{
LOGWARNING("Chunk [%d, %d] has too short decompressed data (%d bytes out of %d needed), erasing",
Header->m_ChunkX, Header->m_ChunkZ,
UncompressedSize, ExpectedSize
);
Offset += Header->m_CompressedSize;
continue;
}
// Decompress the data:
AString UncompressedData;
{
int errorcode = UncompressString(Data.data(), Data.size(), UncompressedData, UncompressedSize);
if (errorcode != Z_OK)
{
LOGERROR("Error %d decompressing data for chunk [%d, %d]",
errorcode,
Header->m_ChunkX, Header->m_ChunkZ
);
Offset += Header->m_CompressedSize;
continue;
}
}
if (UncompressedSize != (int)UncompressedData.size())
{
LOGWARNING("Uncompressed data size differs (exp %d bytes, got " SIZE_T_FMT ") for chunk [%d, %d]",
UncompressedSize, UncompressedData.size(),
Header->m_ChunkX, Header->m_ChunkZ
);
Offset += Header->m_CompressedSize;
continue;
}
// Old version is 128 blocks high with YZX axis order
char ConvertedData[cChunkDef::BlockDataSize];
int Index = 0;
unsigned int InChunkOffset = 0;
for( int x = 0; x < 16; ++x ) for( int z = 0; z < 16; ++z )
{
for( int y = 0; y < 128; ++y )
{
ConvertedData[Index++] = UncompressedData[y + z * 128 + x * 128 * 16 + InChunkOffset];
}
// Add 128 empty blocks after an old y column
memset(ConvertedData + Index, E_BLOCK_AIR, 128);
Index += 128;
}
InChunkOffset += (16 * 128 * 16);
for( int x = 0; x < 16; ++x ) for( int z = 0; z < 16; ++z ) // Metadata
{
for( int y = 0; y < 64; ++y )
{
ConvertedData[Index++] = UncompressedData[y + z * 64 + x * 64 * 16 + InChunkOffset];
}
memset(ConvertedData + Index, 0, 64);
Index += 64;
}
InChunkOffset += (16 * 128 * 16) / 2;
for( int x = 0; x < 16; ++x ) for( int z = 0; z < 16; ++z ) // Block light
{
for( int y = 0; y < 64; ++y )
{
ConvertedData[Index++] = UncompressedData[y + z * 64 + x * 64 * 16 + InChunkOffset];
}
memset(ConvertedData + Index, 0, 64);
Index += 64;
}
InChunkOffset += (16*128*16)/2;
for( int x = 0; x < 16; ++x ) for( int z = 0; z < 16; ++z ) // Sky light
{
for( int y = 0; y < 64; ++y )
{
ConvertedData[Index++] = UncompressedData[y + z * 64 + x * 64 * 16 + InChunkOffset];
}
memset(ConvertedData + Index, 0, 64);
Index += 64;
}
InChunkOffset += (16 * 128 * 16) / 2;
AString Converted(ConvertedData, ARRAYCOUNT(ConvertedData));
// Add JSON data afterwards
if (UncompressedData.size() > InChunkOffset)
{
Converted.append( UncompressedData.begin() + InChunkOffset, UncompressedData.end() );
}
// Re-compress data
AString CompressedData;
{
int errorcode = CompressString(Converted.data(), Converted.size(), CompressedData,m_CompressionFactor);
if (errorcode != Z_OK)
{
LOGERROR("Error %d compressing data for chunk [%d, %d]",
errorcode,
Header->m_ChunkX, Header->m_ChunkZ
);
continue;
}
}
// Save into file's cache
Header->m_UncompressedSize = Converted.size();
Header->m_CompressedSize = CompressedData.size();
NewDataContents.append( CompressedData );
}
// Done converting
m_DataContents = NewDataContents;
m_ChunkVersion = 2;
SynchronizeFile();
LOGINFO("Updated \"%s\" version 1 to version 2", m_FileName.c_str() );
}
/*
* Check the cron.update file in the specified directory. If user_override
* is NULL then the files in the directory belong to the user whose name is
* the file, otherwise they belong to the user_override user.
*/
void
CheckUpdates(const char *dpath, const char *user_override, time_t t1, time_t t2)
{
FILE *fi;
char buf[SMALL_BUFFER];
char *fname, *ptok, *job;
char *path;
if (!(path = concat(dpath, "/", CRONUPDATE, NULL))) {
errno = ENOMEM;
perror("CheckUpdates");
exit(1);
}
if ((fi = fopen(path, "r")) != NULL) {
remove(path);
printlogf(LOG_INFO, "reading %s/%s\n", dpath, CRONUPDATE);
while (fgets(buf, sizeof(buf), fi) != NULL) {
/*
* if buf has only sep chars, return NULL and point ptok at buf's terminating 0
* else return pointer to first non-sep of buf and
* if there's a following sep, overwrite it to 0 and point ptok to next char
* else point ptok at buf's terminating 0
*/
fname = strtok_r(buf, " \t\n", &ptok);
if (user_override)
SynchronizeFile(dpath, fname, user_override);
else if (!getpwnam(fname))
printlogf(LOG_WARNING, "ignoring %s/%s (non-existent user)\n", dpath, fname);
else if (*ptok == 0 || *ptok == '\n') {
SynchronizeFile(dpath, fname, fname);
ReadTimestamps(fname);
} else {
/* if fname is followed by whitespace, we prod any following jobs */
CronFile *file = FileBase;
while (file) {
if (strcmp(file->cf_UserName, fname) == 0)
break;
file = file->cf_Next;
}
if (!file)
printlogf(LOG_WARNING, "unable to prod for user %s: no crontab\n", fname);
else {
CronLine *line;
/* calling strtok(ptok...) then strtok(NULL) is equiv to calling strtok_r(NULL,..&ptok) */
while ((job = strtok(ptok, " \t\n")) != NULL) {
time_t force = t2;
ptok = NULL;
if (*job == '!') {
force = (time_t)-1;
++job;
}
line = file->cf_LineBase;
while (line) {
if (line->cl_JobName && strcmp(line->cl_JobName, job) == 0)
break;
line = line->cl_Next;
}
if (line)
ArmJob(file, line, t1, force);
else {
printlogf(LOG_WARNING, "unable to prod for user %s: unknown job %s\n", fname, job);
/* we can continue parsing this line, we just don't install any CronWaiter for the requested job */
}
}
}
}
}
fclose(fi);
}
free(path);
}
void
SynchronizeDir(const char *dpath, const char *user_override, int initial_scan)
{
CronFile **pfile;
CronFile *file;
struct dirent *den;
DIR *dir;
char *path;
if (DebugOpt)
printlogf(LOG_DEBUG, "Synchronizing %s\n", dpath);
/*
* Delete all database CronFiles for this directory. DeleteFile() will
* free *pfile and relink the *pfile pointer, or in the alternative will
* mark it as deleted.
*/
pfile = &FileBase;
while ((file = *pfile) != NULL) {
if (file->cf_Deleted == 0 && strcmp(file->cf_DPath, dpath) == 0) {
DeleteFile(pfile);
} else {
pfile = &file->cf_Next;
}
}
/*
* Since we are resynchronizing the entire directory, remove the
* the CRONUPDATE file.
*/
if (!(path = concat(dpath, "/", CRONUPDATE, NULL))) {
errno = ENOMEM;
perror("SynchronizeDir");
exit(1);
}
remove(path);
free(path);
/*
* Scan the specified directory
*/
if ((dir = opendir(dpath)) != NULL) {
while ((den = readdir(dir)) != NULL) {
if (strchr(den->d_name, '.') != NULL)
continue;
if (strcmp(den->d_name, CRONUPDATE) == 0)
continue;
if (user_override) {
SynchronizeFile(dpath, den->d_name, user_override);
} else if (getpwnam(den->d_name)) {
SynchronizeFile(dpath, den->d_name, den->d_name);
} else {
printlogf(LOG_WARNING, "ignoring %s/%s (non-existent user)\n",
dpath, den->d_name);
}
}
closedir(dir);
} else {
if (initial_scan)
printlogf(LOG_ERR, "unable to scan directory %s\n", dpath);
/* softerror, do not exit the program */
}
}
