forked from LBRYCommunity/lbry-sdk
52 lines
1.9 KiB
Python
52 lines
1.9 KiB
Python
import os
|
|
from twisted.enterprise import adbapi
|
|
import time
|
|
|
|
|
|
class BlobHistoryManager(object):
|
|
"""
|
|
Class to archive historical blob upload and download information
|
|
|
|
This class creates two tables in lbry data folder/blob_history.db, 'download' and 'upload'
|
|
The tables store information about what blob was uploaded or downloaded, to or from which peer,
|
|
at what price, and when.
|
|
"""
|
|
|
|
def __init__(self, db_dir):
|
|
self.db = None
|
|
self.db_dir = db_dir
|
|
|
|
def _open_db(self):
|
|
self.db = adbapi.ConnectionPool('sqlite3', os.path.join(self.db_dir, "blob_history.db"),
|
|
check_same_thread=False)
|
|
|
|
def create_tables(transaction):
|
|
transaction.execute("create table if not exists download (" +
|
|
" id integer primary key autoincrement, " +
|
|
" blob text, " +
|
|
" host text, " +
|
|
" rate float, " +
|
|
" ts integer)")
|
|
|
|
transaction.execute("create table if not exists upload (" +
|
|
" id integer primary key autoincrement, " +
|
|
" blob text, " +
|
|
" host text, " +
|
|
" rate float, " +
|
|
" ts integer)")
|
|
|
|
return self.db.runInteraction(create_tables)
|
|
|
|
def add_transaction(self, blob_hash, host, rate, upload=False):
|
|
ts = int(time.time())
|
|
if upload:
|
|
d = self.db.runQuery("insert into upload values (null, ?, ?, ?, ?) ", (blob_hash, str(host), float(rate), ts))
|
|
else:
|
|
d = self.db.runQuery("insert into download values (null, ?, ?, ?, ?) ", (blob_hash, str(host), float(rate), ts))
|
|
return d
|
|
|
|
def start(self):
|
|
d = self._open_db()
|
|
return d
|
|
|
|
|