[Mod]Use thread pool for changing sync call to async in tiger_gateway

vnpy/gateway/tiger/tiger_gateway.py

@@ -4,13 +4,18 @@ Please install tiger-api before use.
 pip install tigeropen
 """
 
+import time
 from copy import copy
 from threading import Thread
-from time import sleep
+from datetime import datetime
-import time
+from multiprocessing.dummy import Pool
+from queue import Empty, Queue
+
 import pandas as pd
 from pandas import DataFrame
-from datetime import datetime
+
+
+
 
 from tigeropen.tiger_open_config import TigerOpenClientConfig 
 from tigeropen.common.consts import Language, Currency, Market
@@ -21,9 +26,6 @@ from tigeropen.push.push_client import PushClient
 from tigeropen.common.exceptions import ApiException
 
 from vnpy.trader.constant import Direction, Product, Status, PriceType, Exchange
-
-
-from vnpy.trader.event import EVENT_TIMER
 from vnpy.trader.gateway import BaseGateway
 from vnpy.trader.object import (
     TickData,
@@ -84,10 +86,7 @@ PUSH_STATUS_TIGER2VT = {
     "Submitted": Status.SUBMITTING,
     "PendingSubmit": Status.SUBMITTING,
     "Filled": Status.ALLTRADED,
-    "Inactive":Status.REJECTED,
+    "Inactive": Status.REJECTED
-
-
-
 }
 
 # "private_key": "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",
@@ -96,11 +95,9 @@ class TigerGateway(BaseGateway):
     """"""
 
     default_setting = {               
-        
         "tiger_id": "20150008",
         "account": "DU575568",
-        "standard_account": "DU575568",
+        "standard_account": "DU575568"
-
     }
 
     def __init__(self, event_engine):
@@ -119,13 +116,30 @@ class TigerGateway(BaseGateway):
         self.quote_client = None
         self.push_client = None
 
+        self.active = False
+        self.queue = Queue()
+        self.pool = None
+
         self.ticks = {}
         self.trades = set()
         self.contracts = {}
         self.symbol_names = {}
 
-        self.thread = Thread(target=self.query_data)
+    def run(self):
+        """"""
+        while self.active:
+            try:
+                func, arg = self.queue.get(timeout=1)
+                if arg:
+                    func(arg)
+                else:
+                    func()
+            except Empty:
+                pass
     
+    def add_task(self, func, arg=None):
+        """"""
+        self.queue.put((func, arg))
 
     def connect(self, setting: dict):
         """"""
@@ -136,24 +150,19 @@ class TigerGateway(BaseGateway):
         self.paper_account = setting["account"]
         self.languege = Language.zh_CN
 
+        # Start thread pool for REST call
+        self.active = True
+        self.pool = Pool(5)
+        self.pool.apply_async(self.run)
+
+        # Put connect task into quque.
         self.get_client_config()
-        self.connect_quote()
+        self.add_task(self.connect_quote)
-        self.connect_trade()
+        self.add_task(self.connect_trade)
-        self.connect_push()
+        self.add_task(self.connect_push)
 
         self.thread.start()
 
-    def query_data(self):
-        """
-        Query all data necessary.
-        """
-
-        self.query_contract() 
-        self.query_order() 
-        self.query_position() 
-        self.query_account()  
-
-
     def get_client_config(self, sandbox=True):
         """"""
         self.client_config = TigerOpenClientConfig(sandbox_debug=sandbox)
@@ -179,6 +188,8 @@ class TigerGateway(BaseGateway):
         if self.symbol_names:
             self.write_log("行情接口连接成功")
 
+            self.add_task(self.query_contract)
+        
     def connect_trade(self):
         """
         Connect to trade server.
@@ -193,6 +204,10 @@ class TigerGateway(BaseGateway):
         if data:
             self.write_log("交易接口连接成功")
             
+            self.add_task(self.query_order)
+            self.add_task(self.query_position)
+            self.add_task(self.query_account)
+    
     def connect_push(self):
         """
         Connect to push server.
@@ -249,7 +264,6 @@ class TigerGateway(BaseGateway):
         tick.high_price = data.get("high", 0)  # 美股无
         tick.low_price = data.get("low", 0) # 美股无
 
-
         tick.ask_price_1=data.get("ask_price", 0) # A股/港股无
         tick.bid_price_1=data.get("bid_price", 0)  # A股/港股无
         tick.ask_volume_1=data.get("ask_size", 0) # A股/港股无
@@ -304,9 +318,6 @@ class TigerGateway(BaseGateway):
         )
         self.on_position(pos)
 
-
-
-    
     def on_order_changed(self, account: str, data: list):
         """"""
         #print("委托", data)
@@ -321,7 +332,6 @@ class TigerGateway(BaseGateway):
         else:
             price = 0
         
-        
         order = OrderData(
             symbol=symbol,
             exchange=exchange,
@@ -349,10 +359,6 @@ class TigerGateway(BaseGateway):
         )
         self.on_trade(trade)
 
-
-
-
-
     def send_order(self, req: OrderRequest):
         """"""
         symbol = convert_symbol_vt2tiger(req.symbol, req.exchange)
@@ -547,6 +553,9 @@ class TigerGateway(BaseGateway):
 
     def close(self):
         """"""
+        self.active = False
+        self.queue.join()
+
         if self.push_client:
             self.push_client.disconnect()
 
@@ -562,7 +571,6 @@ class TigerGateway(BaseGateway):
             else:
                 price = 0
 
-
             order = OrderData(
                 symbol=symbol,
                 exchange=exchange,
@@ -646,26 +654,3 @@ def config_symbol_currency(symbol):
             currency = Currency.CNH
 
     return currency
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