连接失败时加了个日志

znet.cpp

@@ -571,7 +571,10 @@ struct sock_listen: fd_io
 		char name[32];
 		int fd=zio::accept(m_fd,name);
 		if(fd<0)
+		{
+			logn_errno(1,"socket %s connect error.",name);
 			return;
+		}
 
 		zio::setiobuf(fd,32<<10,32<<10);
 		m_ic.on_connect(std::make_shared<sock_client>(m_ic,name,fd,recv_time_out,max_package_size));