/// <summary>
/// 发布消息，
/// XADD mystream MAXLEN ~ 1000 *
/// </summary>
/// <param name="topic"></param>
/// <param name="fields"></param>
/// <param name="id"></param>
/// <param name="maxLen"></param>
/// <returns></returns>
public RedisID Publish(string topic, IEnumerable <RedisField> fields, string id = "*", int maxLen = -1)
{
List <string> @params = new List <string>();
@params.Add(topic);
if (maxLen > 0)
{
@params.Add("MAXLEN");
@params.Add("~");
@params.Add(maxLen.ToString());
}
if (string.IsNullOrEmpty(id))
{
@params.Add("*");
}
else
{
@params.Add(id);
}
foreach (var item in fields)
{
@params.Add(item.Field);
@params.Add(item.String);
}
var responseData = RedisConnection.DoWithMutiParams(RequestType.XADD, @params.ToArray());
if (responseData == null)
{
throw new Exception("Time out");
}
if (responseData.Type == ResponseType.Error)
{
throw new Exception(responseData.Data);
}
return(RedisID.Parse(responseData.Data.Trim()));
}
/// <summary>
/// Subscribe,
/// XREADGROUP GROUP group consumer [COUNT count][BLOCK milliseconds] [NOACK] STREAMS key [key ...]ID [ID ...]
/// </summary>
/// <param name="groupName"></param>
/// <param name="consumerName"></param>
/// <param name="topicName"></param>
/// <param name="redisId"></param>
/// <param name="noAck"></param>
/// <param name="count"></param>
/// <param name="blocked"></param>
/// <param name="timeout"></param>
/// <returns></returns>
public IEnumerable <StreamEntry> Subscribe(string groupName, string consumerName, string topicName, RedisID redisId, bool noAck = false, int count = 1, bool blocked = false, int timeout = 1000)
{
List <string> @params = new List <string>();
@params.Add("GROUP");
@params.Add(groupName);
@params.Add(consumerName);
@params.Add("COUNT");
@params.Add(count.ToString());
if (blocked)
{
@params.Add("BLOCK");
@params.Add(timeout.ToString());
}
if (noAck)
{
@params.Add("NOACK");
}
@params.Add("STREAMS");
@params.Add(topicName);
if (redisId != null)
{
@params.Add(redisId.ToString());
}
else
{
@params.Add(">");
}
var responseData = RedisConnection.DoStreamSub(RequestType.XREADGROUP, @params.ToArray());
if (responseData == null)
{
throw new Exception("Time out");
}
if (responseData.Type == ResponseType.Error)
{
throw new Exception(responseData.Data);
}
return(responseData.Entity);
}
/// <summary>
/// 返回范围内的消息信息
/// </summary>
/// <param name="topic"></param>
/// <param name="from"></param>
/// <param name="to"></param>
/// <param name="count"></param>
/// <returns></returns>
public IEnumerable <IdFiled> GetRange(string topic, RedisID from, RedisID to, int count = -1)
{
return(GetRange(topic, from.ToString(), to.ToString(), count));
}
