/* * Copyright (C) 2012-2019 UCloud. All Rights Reserved. * * Licensed under the Apache License, Version 2.0 (the "License"). * You may not use this file except in compliance with the License. * A copy of the License is located at * * http://www.apache.org/licenses/LICENSE-2.0 * * or in the "license" file accompanying this file. This file is distributed * on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either * express or implied. See the License for the specific language governing * permissions and limitations under the License. */ #ifndef C_SDK_UIOT_EXPORT_H_ #define C_SDK_UIOT_EXPORT_H_ #ifdef __cplusplus extern "C" { #endif /* MQTT心跳消息发送周期, 单位:s */ #define UIOT_MQTT_KEEP_ALIVE_INTERNAL (240) /* MQTT 阻塞调用(包括连接, 订阅, 发布等)的超时时间 */ #define UIOT_MQTT_COMMAND_TIMEOUT (5 * 1000) /* 接收到 MQTT 包头以后,接收剩余长度及剩余包,最大延迟等待时延 */ #define UIOT_MQTT_MAX_REMAIN_WAIT_MS (2000) /* MQTT消息发送buffer大小, 支持最大256*1024 */ #define UIOT_MQTT_TX_BUF_LEN (2048) /* MQTT消息接收buffer大小, 支持最大256*1024 */ #define UIOT_MQTT_RX_BUF_LEN (2048) /* 重连最大等待时间 */ #define MAX_RECONNECT_WAIT_INTERVAL (60 * 1000) /* 使能无限重连,0表示超过重连最大等待时间后放弃重连, * 1表示超过重连最大等待时间后以固定间隔尝试重连*/ #define ENABLE_INFINITE_RECONNECT 1 /* MQTT连接域名 */ #define UIOT_MQTT_DIRECT_DOMAIN "mqtt-cn-sh2.iot.ucloud.cn" //"pre-mqtt.iot.ucloud.cn" #include "uiot_export_mqtt.h" #include "uiot_defs.h" #ifdef __cplusplus } #endif #endif /* C_SDK_UIOT_EXPORT_H_ */