self.conn = sqlite.connect(database=self.db.path, detect_types=sqlite.PARSE_DECLTYPES)
c = self.conn.cursor()
c.execute("CREATE TABLE files (path TEXT PRIMARY KEY UNIQUE, hashID INTEGER, " +
- "size NUMBER, mtime NUMBER)")
+ "dht BOOL, size NUMBER, mtime NUMBER)")
c.execute("CREATE TABLE hashes (hashID INTEGER PRIMARY KEY AUTOINCREMENT, " +
"hash KHASH UNIQUE, pieces KHASH, " +
"piecehash KHASH, refreshed TIMESTAMP)")
c.close()
return res
- def storeFile(self, file, hash, pieces = ''):
+ def storeFile(self, file, hash, dht = True, pieces = ''):
"""Store or update a file in the database.
@type file: L{twisted.python.filepath.FilePath}
@param file: the file to check
@type hash: C{string}
@param hash: the hash of the file
+ @param dht: whether the file is added to the DHT
+ (optional, defaults to true)
@type pieces: C{string}
@param pieces: the concatenated list of the hashes of the pieces of
the file (optional, defaults to the empty string)
# Add the file to the database
file.restat()
- c.execute("INSERT OR REPLACE INTO files (path, hashID, size, mtime) VALUES (?, ?, ?, ?)",
- (file.path, hashID, file.getsize(), file.getmtime()))
+ c.execute("INSERT OR REPLACE INTO files (path, hashID, dht, size, mtime) VALUES (?, ?, ?, ?, ?)",
+ (file.path, hashID, dht, file.getsize(), file.getmtime()))
self.conn.commit()
c.close()
res['pieces'] = row['pieces']
row = c.fetchone()
- # Make sure there are still valid files for each hash
+ # Make sure there are still valid DHT files for each hash
for hash in expired.values():
- valid = False
- c.execute("SELECT path, size, mtime FROM files WHERE hashID = ?", (hash['hashID'], ))
+ dht = False
+ non_dht = False
+ c.execute("SELECT path, dht, size, mtime FROM files WHERE hashID = ?", (hash['hashID'], ))
row = c.fetchone()
while row:
res = self._removeChanged(FilePath(row['path']), row)
if res:
- valid = True
+ if row['dht']:
+ dht = True
+ else:
+ non_dht = True
row = c.fetchone()
- if not valid:
- # Remove hashes for which no files are still available
+ if not dht:
+ # Remove hashes for which no DHT files are still available
del expired[hash['hash']]
- c.execute("DELETE FROM hashes WHERE hashID = ?", (hash['hashID'], ))
+ if not non_dht:
+ # Remove hashes for which no files are still available
+ c.execute("DELETE FROM hashes WHERE hashID = ?", (hash['hashID'], ))
+ else:
+ # There are still some non-DHT files available, so refresh them
+ c.execute("UPDATE hashes SET refreshed = ? WHERE hashID = ?",
+ (datetime.now(), hash['hashID']))
self.conn.commit()
c.close()