PendingMessageCheckProcessor.cs
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using Pole.ReliableMessage.Abstraction;
using Pole.ReliableMessage.Messaging;
using Microsoft.Extensions.Logging;
using Microsoft.Extensions.Options;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Net.NetworkInformation;
using System.Net.Sockets;
using System.Text;
using System.Threading.Tasks;
using Pole.ReliableMessage.Storage.Abstraction;
namespace Pole.ReliableMessage.Processor
{
class PendingMessageCheckProcessor : ProcessorBase
{
private readonly IMessageStorage _storage;
private readonly ReliableMessageOption _options;
//private readonly IMessageBuffer _messageBuffer;
private readonly ITimeHelper _timeHelper;
private readonly IMemberShipTableManager _memberShipTable;
private readonly ILogger<PendingMessageCheckProcessor> _logger;
private readonly IServiceIPv4AddressProvider _serviceIPv4AddressProvider;
private readonly IMessageCheckRetryer _messageCheckRetryer;
public PendingMessageCheckProcessor(IMessageStorage storage, IOptions<ReliableMessageOption> options, ITimeHelper timeHelper, IMemberShipTableManager memberShipTable, ILogger<PendingMessageCheckProcessor> logger, IServiceIPv4AddressProvider serviceIPv4AddressProvider, IMessageCheckRetryer messageCheckRetryer)
{
_storage = storage;
_options = options.Value ?? throw new Exception($"{nameof(ReliableMessageOption)} Must be injected");
//_messageBuffer = messageBuffer;
_timeHelper = timeHelper;
_memberShipTable = memberShipTable;
_logger = logger;
_serviceIPv4AddressProvider = serviceIPv4AddressProvider;
_messageCheckRetryer = messageCheckRetryer;
}
public override string Name => nameof(PendingMessageCheckProcessor);
public override async Task Process(ProcessingContext context)
{
try
{
var iPStr = _serviceIPv4AddressProvider.Get();
var isPendingChecker = await _memberShipTable.IsPendingMessageCheckerServiceInstance(iPStr);// 这里可以把时间加上去
if (!isPendingChecker)
{
_logger.LogDebug("I an not the PendingChecker ,Ignore check");
return;
}
await ProcessInternal();
}
catch (Exception ex)
{
_logger.LogError(ex, $"PendingMessageCheckProcessor Process Error");
}
finally
{
await Task.Delay(_options.PendingMessageRetryInterval * 1000);
}
}
public async Task ProcessInternal()
{
var now = _timeHelper.GetUTCNow();
var pendingMessages = await _storage.GetMany(m => m.MessageStatusId == MessageStatus.Pending.Id && m.NextRetryUTCTime <= now && m.AddedUTCTime <= now.AddSeconds(-1 * _options.PendingMessageFirstProcessingWaitTime) && m.AddedUTCTime >= now.AddSeconds(-1 * _options.PendingMessageCheckingTimeOutSeconds), _options.PendingMessageCheckBatchCount);
if (_logger.IsEnabled(LogLevel.Debug))
{
_logger.LogDebug($"PendingMessageCheckProcessor pendingMessages count:{pendingMessages.Count}");
}
await _messageCheckRetryer.Execute(pendingMessages, now);
// 说明此时 消息数量超过 批量获取数
if (pendingMessages.Count == _options.PendingMessageCheckBatchCount)
{
await ProcessInternal();
}
}
}
}