/// <summary>
/// 获取单条消息
/// </summary>
/// <param name="basicGetMethod">回调函数</param>
/// <param name="data">传过来，再传回去</param>
public void BasicGet(ReceiveMessageDelegate <Tuple <bool, string, Dictionary <string, object> > > basicGetMethod, Dictionary <string, object> data = null)
{
try
{
using (var channel = this.GetConnection().CreateModel())
{
BasicGetResult res = channel.BasicGet(RabbitConfig.QueueName, false);
if (res != null)
{
//普通使用方式BasicGet
//noAck = true，不需要回复，接收到消息后，queue上的消息就会清除
//noAck = false，需要回复，接收到消息后，queue上的消息不会被清除，直到调用channel.basicAck(deliveryTag, false); queue上的消息才会被清除 而且，在当前连接断开以前，其它客户端将不能收到此queue上的消息
IBasicProperties props = res.BasicProperties;
bool t = res.Redelivered;
t = true;
string result = Encoding.UTF8.GetString(res.Body);
channel.BasicAck(res.DeliveryTag, false);
basicGetMethod(new Tuple <bool, string, Dictionary <string, object> >(true, result, data));
}
else
{
basicGetMethod(new Tuple <bool, string, Dictionary <string, object> >(false, "未找到所需数据", data));
}
}
}
catch (Exception ex)
{
// mqErrCnt++;
LogCom.WriteExceptToFile(ex, "RabbitMQHelper.BasicGet");
}
}
//若引用该组件的业务系统也使用AutoMapper，则重复Mapper.Initialize可能会导致错误，因此本组件暂不使用
public static void Configure()
{
try
{
Mapper.Initialize(cfg =>
{
cfg.CreateMap <Log_OperateTrace, Log_OperateTraceR>();
RegisterAutoMapperProfiles(cfg); //cfg.AddProfile<Log_SystemMonitorProfile>();
});
Mapper.AssertConfigurationIsValid();
}
catch (Exception ex)
{
LogCom.WriteExceptToFile(ex, "AutoMapperConfig.Configure");
}
}
public bool WriteData <T>(T model)
{
if (!bOK)
{
return(false);
}
try
{
Point pt = ConvertToInfluxDBRec <T>(model);
var responseWrite = influxDbClient.Client.WriteAsync(pt, _dbName).Result;
return(responseWrite.Success);
}
catch (Exception ex)
{
LogCom.WriteExceptToFile(ex, "InfluxDBHelper.WriteData");
return(false);
}
}
/// <summary>
/// 获取队列服务器的连接对象
/// </summary>
/// <param name="ip">服务器ip</param>
/// <param name="port">服务器的端口</param>
/// <param name="userName">登录账户</param>
/// <param name="password">登录密码</param>
/// <param name="virtualHost">虚拟主机</param>
/// <param name="heartbeat">心跳检测时间</param>
/// <returns></returns>
public static IConnection GetConnection(string ip, int port, string userName, string password, string virtualHost, ushort heartbeat)
{
try
{
ConnectionFactory cf = new ConnectionFactory()
{
// HostName = ip,
Port = port,
Endpoint = new AmqpTcpEndpoint(new Uri("amqp://" + ip + "/")),
UserName = userName,
Password = password,
VirtualHost = virtualHost,
RequestedHeartbeat = heartbeat,
// AutomaticRecoveryEnabled = true
};
return(cf.CreateConnection());
}
catch (Exception ex)
{
LogCom.WriteExceptToFile(ex, "RabbitMQHelper.GetConnection");
return(null);
}
}
public InfluxDBHelper(string dbName)
{
if (!bOK || bCannotConnect || influxDbClient == null)
{
bOK = false;
return;
}
if (string.IsNullOrEmpty(dbName))
{
dbName = "DefaultDB";
}
_dbName = dbName;
try
{
var response = influxDbClient.Database.CreateDatabaseAsync(dbName).Result;//若表存在，则跳过（不新建）
if (response.StatusCode != System.Net.HttpStatusCode.OK)
{
bOK = false;
}
}
catch (Exception ex)
{
bOK = false;
LogCom.WriteExceptToFile(ex, "InfluxDBHelper.构造函数");
try
{
if (ex.InnerException.InnerException.Message == "无法连接到远程服务器")
{
bCannotConnect = true;
}
}
catch
{
}
}
}
//队列消息生产
internal static ExeResEdm Send <T>(T model, MQType mqType)
{
lock (mqObj)
{
if (!bSendMsgUseMQ)
{
return(new ExeResEdm());
}
string value = SerializerHelper.SerializeToString(model);
var tt = RabbitSendDic[mqType];
try
{
return(tt.Send(value));
}
catch (Exception ex)
{
LogCom.WriteExceptToFile(ex, "RabbitMQHelper.Send<T>");
return(new ExeResEdm()
{
ErrCode = 1, ExBody = ex, Module = "RabbitMQHelper.Send<T>"
});
}
}
}
/// <summary>
/// 接受消息，使用委托进行处理，使用 EventingBasicConsumer 方法，3.6.12版本服务器接收出错
/// </summary>
/// <typeparam name="T"></typeparam>
/// <param name="receiveMethod"></param>
public void Receive2 <T>(ReceiveMessageDelegate <T> receiveMethod)
{
try
{
using (var channel = this.GetConnection().CreateModel())
{
//是否使用路由
if (!string.IsNullOrWhiteSpace(this.RabbitConfig.Exchange))
{
//声明路由
// channel.ExchangeDeclare(this.RabbitConfig.Exchange, this.RabbitConfig.ExchangeType.ToString(), this.RabbitConfig.DurableQueue);
//声明队列且与交换机绑定
channel.QueueDeclare(this.RabbitConfig.QueueName, this.RabbitConfig.DurableQueue, false, false, null);
// channel.QueueBind(this.RabbitConfig.QueueName, this.RabbitConfig.Exchange, this.RabbitConfig.RoutingKey);
}
else
{
channel.QueueDeclare(this.RabbitConfig.QueueName, this.RabbitConfig.DurableQueue, false, false, null);
}
//输入1，那如果接收一个消息，但是没有应答，则客户端不会收到下一个消息
channel.BasicQos(0, 1, false); ///告诉RabbitMQ同一时间给一个消息给消费者
//在队列上定义一个消费者
var consumer = new EventingBasicConsumer(channel);
//消费队列，并设置应答模式为程序主动应答，oAck设置false,告诉broker，发送消息之后，消息暂时不要删除，等消费者处理完成再说
channel.BasicConsume(this.RabbitConfig.QueueName, false, consumer);
consumer.Received += (model, ea) =>
{
ProcessingResultsEnum processingResult = ProcessingResultsEnum.Retry;
ulong deliveryTag = 0;
try
{
//获取信息
deliveryTag = ea.DeliveryTag;
byte[] bytes = ea.Body;
string str = Encoding.UTF8.GetString(bytes);
T v = SerializerHelper.DeserializeToObject <T>(str);
receiveMethod(v);
processingResult = ProcessingResultsEnum.Accept; //处理成功
// channel.BasicAck(deliveryTag: ea.DeliveryTag, multiple: false); //处理完成，告诉Broker可以服务端可以删除消息，分配新的消息过来
}
catch (Exception ex)
{
LogCom.WriteExceptToFile(ex, "RabbitMQHelper.Receive");
processingResult = ProcessingResultsEnum.Reject; //系统无法处理的错误
}
finally
{
System.Threading.Thread.Sleep(100);//暂停0.1秒，防止CPU爆满的问题
switch (processingResult)
{
case ProcessingResultsEnum.Accept:
//回复确认处理成功
channel.BasicAck(deliveryTag, false);
break;
case ProcessingResultsEnum.Retry:
//发生错误了，但是还可以重新提交给队列重新分配
channel.BasicNack(deliveryTag, false, true);
break;
case ProcessingResultsEnum.Reject:
//发生严重错误，无法继续进行，这种情况应该写日志或者是发送消息通知管理员
channel.BasicNack(deliveryTag, false, false);
//写日志
break;
}
}
};
}
}
catch (Exception ex)
{
LogCom.WriteExceptToFile(ex, "RabbitMQHelper.Receive");
}
}
/// <summary>
/// 接受消息，使用委托进行处理，使用QueueingBasicConsumer方法（已过时）
/// </summary>
/// <typeparam name="T"></typeparam>
/// <param name="receiveMethod"></param>
public ExeResEdm Receive <T>(ReceiveMessageDelegate <T> receiveMethod)
{
ExeResEdm exeResEdm = new ExeResEdm()
{
};
try
{
using (var channel = this.GetConnection().CreateModel())
{
//是否使用路由
if (!string.IsNullOrWhiteSpace(this.RabbitConfig.Exchange))
{
//声明路由
// channel.ExchangeDeclare(this.RabbitConfig.Exchange, this.RabbitConfig.ExchangeType.ToString(), this.RabbitConfig.DurableQueue);
//声明队列且与交换机绑定
channel.QueueDeclare(this.RabbitConfig.QueueName, this.RabbitConfig.DurableQueue, false, false, null);
channel.QueueBind(this.RabbitConfig.QueueName, this.RabbitConfig.Exchange, this.RabbitConfig.RoutingKey);
}
else
{
channel.QueueDeclare(this.RabbitConfig.QueueName, this.RabbitConfig.DurableQueue, false, false, null);
}
//输入1，那如果接收一个消息，但是没有应答，则客户端不会收到下一个消息
channel.BasicQos(0, 1, false); ///告诉RabbitMQ同一时间给一个消息给消费者
//在队列上定义一个消费者
var consumer = new QueueingBasicConsumer(channel);
//消费队列，并设置应答模式为程序主动应答
channel.BasicConsume(this.RabbitConfig.QueueName, false, consumer);
while (true)
{
//阻塞函数，获取队列中的消息
ProcessingResultsEnum processingResult = ProcessingResultsEnum.Retry;
ulong deliveryTag = 0;
try
{
//获取信息
var ea = (BasicDeliverEventArgs)consumer.Queue.Dequeue();
deliveryTag = ea.DeliveryTag;
byte[] bytes = ea.Body;
string str = Encoding.UTF8.GetString(bytes);
T v = SerializerHelper.DeserializeToObject <T>(str);
receiveMethod(v);
processingResult = ProcessingResultsEnum.Accept; //处理成功
}
catch //(Exception ex)
{
processingResult = ProcessingResultsEnum.Reject; //系统无法处理的错误
}
finally
{
System.Threading.Thread.Sleep(100);//暂停0.1秒，防止CPU爆满的问题
switch (processingResult)
{
case ProcessingResultsEnum.Accept:
//回复确认处理成功
channel.BasicAck(deliveryTag, false);
break;
case ProcessingResultsEnum.Retry:
//发生错误了，但是还可以重新提交给队列重新分配
channel.BasicNack(deliveryTag, false, true);
break;
case ProcessingResultsEnum.Reject:
//发生严重错误，无法继续进行，这种情况应该写日志或者是发送消息通知管理员
channel.BasicNack(deliveryTag, false, false);
//写日志
break;
}
}
}
}
}
catch (Exception ex)
{
exeResEdm.ErrCode = 1;
exeResEdm.ExBody = ex;
exeResEdm.Module = "RabbitMQHelper.Receive方法";
LogCom.WriteExceptToFile(ex, "RabbitMQHelper.Receive");
}
return(exeResEdm);
}