使用进程池起动多通道

app.py

@@ -3,13 +3,18 @@
 import config
 from channel import channel_factory
 from common import log
-from multiprocessing import Process
+from multiprocessing import Pool
 
 def startProcess(channel_type):
-        # create channel
-        channel = channel_factory.create_channel(channel_type)
-        # startup channel
-        channel.startup()
+    # load config
+    config.load_config()
+    # create channel
+    channel = channel_factory.create_channel(channel_type)
+    # startup channel
+    channel.startup()
+
+def wrapper(channel_type):
+    startProcess(channel_type)
 
 if __name__ == '__main__':
     try:
@@ -19,10 +24,16 @@ if __name__ == '__main__':
         model_type = config.conf().get("model").get("type")
         channel_type = config.conf().get("channel").get("type")
 
+        # 使用进程池启动子进程
+        pool = Pool(len(channel_type))
+
         for type in channel_type:
             log.info("[INIT] Start up: {} on {}", model_type, type)
-            p = Process(target=startProcess, args=(type))
-            p.start()
+            pool.apply_async(wrapper, args=[type])
+
+        # 等待池中所有进程执行完毕
+        pool.close()
+        pool.join()
     except Exception as e:
         log.error("App startup failed!")
         log.exception(e)