fix transfer update

db_transfer.py

@@ -18,12 +18,12 @@ class TransferBase(object):
 		import threading
 		self.event = threading.Event()
 		self.key_list = ['port', 'u', 'd', 'transfer_enable', 'passwd', 'enable']
-		self.last_get_transfer = {}
+		self.last_get_transfer = {} #上一次的实际流量
-		self.last_update_transfer = {}
+		self.last_update_transfer = {} #上一次更新到的流量（小于等于实际流量）
-		self.user_pass = {}
+		self.force_update_transfer = set() #强制推入数据库的ID
-		self.port_uid_table = {}
+		self.port_uid_table = {} #端口到uid的映射（仅v3以上有用）
-		self.onlineuser_cache = lru_cache.LRUCache(timeout=60*30)
+		self.onlineuser_cache = lru_cache.LRUCache(timeout=60*30) #用户在线状态记录
-		self.pull_ok = False
+		self.pull_ok = False #记录是否已经拉出过数据
 
 	def load_cfg(self):
 		pass
@@ -36,7 +36,19 @@ class TransferBase(object):
 		curr_transfer = ServerPool.get_instance().get_servers_transfer()
 		#上次和本次的增量
 		dt_transfer = {}
+		for id in self.force_update_transfer: #此表中的用户统计上次未计入的流量
+			if id in self.last_get_transfer and id in last_transfer:
+				dt_transfer[id] = [self.last_get_transfer[id][0] - last_transfer[id][0], self.last_get_transfer[id][1] - last_transfer[id][1]]
+
 		for id in curr_transfer.keys():
+			#有流量的，先记录在线状态
+			if id in self.last_get_transfer:
+				if curr_transfer[id][0] + curr_transfer[id][1] > self.last_get_transfer[id][0] + self.last_get_transfer[id][1]:
+					self.onlineuser_cache[id] = curr_transfer[id][0] + curr_transfer[id][1]
+			else:
+				self.onlineuser_cache[id] = curr_transfer[id][0] + curr_transfer[id][1]
+
+			#算出与上次记录的流量差值，保存于dt_transfer表
 			if id in last_transfer:
 				if curr_transfer[id][0] + curr_transfer[id][1] - last_transfer[id][0] - last_transfer[id][1] <= 0:
 					continue
@@ -50,15 +62,16 @@ class TransferBase(object):
 				if curr_transfer[id][0] + curr_transfer[id][1] <= 0:
 					continue
 				dt_transfer[id] = [curr_transfer[id][0], curr_transfer[id][1]]
-			if id in self.last_get_transfer:
+
-				if curr_transfer[id][0] + curr_transfer[id][1] > self.last_get_transfer[id][0] + self.last_get_transfer[id][1]:
-					self.onlineuser_cache[id] = curr_transfer[id][0] + curr_transfer[id][1]
-			else:
-				self.onlineuser_cache[id] = curr_transfer[id][0] + curr_transfer[id][1]
 		self.onlineuser_cache.sweep()
 
-		update_transfer = self.update_all_user(dt_transfer)
+		update_transfer = self.update_all_user(dt_transfer) #返回有更新的表
-		for id in update_transfer.keys():
+		for id in update_transfer.keys(): #其增量加在此表
+			if id in self.force_update_transfer: #但排除在force_update_transfer内的
+				if id in self.last_update_transfer:
+					del self.last_update_transfer[id]
+				self.force_update_transfer.remove(id)
+			else:
 				last = self.last_update_transfer.get(id, [0,0])
 				self.last_update_transfer[id] = [last[0] + update_transfer[id][0], last[1] + update_transfer[id][1]]
 		self.last_get_transfer = curr_transfer
@@ -125,11 +138,7 @@ class TransferBase(object):
 						new_servers[port] = (passwd, cfg)
 
 			elif allow and ServerPool.get_instance().server_run_status(port) is False:
-				#new_servers[port] = passwd
+				self.new_server(port, passwd, cfg)
-				protocol = cfg.get('protocol', ServerPool.get_instance().config.get('protocol', 'origin'))
-				obfs = cfg.get('obfs', ServerPool.get_instance().config.get('obfs', 'plain'))
-				logging.info('db start server at port [%s] pass [%s] protocol [%s] obfs [%s]' % (port, passwd, protocol, obfs))
-				ServerPool.get_instance().new_server(port, cfg)
 
 		for row in last_rows:
 			if row['port'] in cur_servers:
@@ -145,10 +154,15 @@ class TransferBase(object):
 			self.event.wait(eventloop.TIMEOUT_PRECISION + eventloop.TIMEOUT_PRECISION / 2)
 			for port in new_servers.keys():
 				passwd, cfg = new_servers[port]
+				self.new_server(port, passwd, cfg)
+
+	def new_server(self, port, passwd, cfg):
 		protocol = cfg.get('protocol', ServerPool.get_instance().config.get('protocol', 'origin'))
+		method = cfg.get('method', ServerPool.get_instance().config.get('method', 'None'))
 		obfs = cfg.get('obfs', ServerPool.get_instance().config.get('obfs', 'plain'))
-				logging.info('db start server at port [%s] pass [%s] protocol [%s] obfs [%s]' % (port, passwd, protocol, obfs))
+		logging.info('db start server at port [%s] pass [%s] protocol [%s] method [%s] obfs [%s]' % (port, passwd, protocol, method, obfs))
 		ServerPool.get_instance().new_server(port, cfg)
+		self.force_update_transfer.add(port)
 
 	def cmp(self, val1, val2):
 		if type(val1) is bytes:
@@ -206,6 +220,7 @@ class TransferBase(object):
 class DbTransfer(TransferBase):
 	def __init__(self):
 		super(DbTransfer, self).__init__()
+		self.user_pass = {} #记录更新此用户流量时被跳过多少次
 		self.cfg = {
 			"host": "127.0.0.1",
 			"port": 3306,
@@ -242,6 +257,7 @@ class DbTransfer(TransferBase):
 
 		for id in dt_transfer.keys():
 			transfer = dt_transfer[id]
+			#小于最低更新流量的先不更新
 			update_trs = 1024 * max(2048 - self.user_pass.get(id, 0) * 64, 16)
 			if transfer[0] + transfer[1] < update_trs:
 				continue

shadowsocks/eventloop.py

@@ -53,7 +53,7 @@ EVENT_NAMES = {
 }
 
 # we check timeouts every TIMEOUT_PRECISION seconds
-TIMEOUT_PRECISION = 10
+TIMEOUT_PRECISION = 5
 
 
 class KqueueLoop(object):

shadowsocks/obfsplugin/http_simple.py

@@ -100,7 +100,8 @@ class http_simple(plain.plain):
         hosts = (self.server_info.obfs_param or self.server_info.host)
         pos = hosts.find("#")
         if pos >= 0:
-            body = hosts[pos + 1:].replace("\\n", "\r\n")
+            body = hosts[pos + 1:].replace("\n", "\r\n")
+            body = body.replace("\\n", "\r\n")
             hosts = hosts[:pos]
         hosts = hosts.split(',')
         host = random.choice(hosts)