com.github.cm.heclouds.adapter.protocolhub.tcp.api.TcpDeviceDownLinkApi Maven / Gradle / Ivy
package com.github.cm.heclouds.adapter.protocolhub.tcp.api;
import com.github.cm.heclouds.adapter.protocolhub.tcp.session.TcpDeviceSession;
import com.github.cm.heclouds.adapter.protocolhub.tcp.session.TcpDeviceSessionManager;
import com.github.cm.heclouds.adapter.core.entity.Device;
import com.github.cm.heclouds.adapter.core.logging.ILogger;
import com.github.cm.heclouds.adapter.protocolhub.tcp.config.TcpProtocolHubConfigUtils;
import io.netty.channel.Channel;
import static com.github.cm.heclouds.adapter.core.logging.LoggerFormat.Action.GW_DOWN_LINK;
/**
* 下行消息处理
*/
public final class TcpDeviceDownLinkApi {
private final ILogger logger = TcpProtocolHubConfigUtils.getLogger();
/**
* 推送消息给设备
*
* @param device 设备
* @param data 推送数据
* @return 是否发送成功，仅关心发送本身，不关心发送结果
*/
public boolean pushToDevice(Device device, Object data) {
String productId = device.getProductId();
String deviceName = device.getDeviceName();
TcpDeviceSession deviceSession = TcpDeviceSessionManager.getDeviceSession(productId, deviceName);
// 无效设备
if (deviceSession == null || deviceSession.getChannel() == null) {
logger.logDevWarn(TcpProtocolHubConfigUtils.getName(), GW_DOWN_LINK, productId, deviceName, "push to device failed dut to null device session");
return false;
}
Channel channel = deviceSession.getChannel();
if (!channel.isActive()) {
logger.logDevWarn(TcpProtocolHubConfigUtils.getName(), GW_DOWN_LINK, productId, deviceName,
"push to device failed due to inactive channel");
return false;
} else {
channel.writeAndFlush(data);
}
logger.logDevInfo(TcpProtocolHubConfigUtils.getName(), GW_DOWN_LINK, productId, deviceName, "push to device");
return true;
}
/**
* 主动断开设备连接
*
* @param device 设备
* @return 是否发送成功，仅关心发送本身，不关心发送结果
*/
public boolean logoutDevice(Device device) {
String productId = device.getProductId();
String deviceName = device.getDeviceName();
TcpDeviceSession deviceSession = TcpDeviceSessionManager.getDeviceSession(productId, deviceName);
if (deviceSession == null) {
return true;
}
Channel channel = deviceSession.getChannel();
if (channel == null || !channel.isActive()) {
return true;
}
channel.close();
return false;
}
}