46 lines
1.7 KiB
C#
46 lines
1.7 KiB
C#
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using System;
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using System.IO;
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using System.Net.Sockets;
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using System.Threading.Tasks;
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using MailKit;
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using Serilog;
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using Wino.Core.Domain.Enums;
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using Wino.Core.Domain.Interfaces;
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using Wino.Core.Domain.Models.Synchronization;
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namespace Wino.Core.Synchronizers.Errors.Imap;
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/// <summary>
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/// Handles IMAP connection loss errors (IOException, SocketException, ServiceNotConnectedException).
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/// Marks the error as transient for retry with backoff.
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/// </summary>
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public class ImapConnectionLostHandler : ISynchronizerErrorHandler
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{
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private readonly ILogger _logger = Log.ForContext<ImapConnectionLostHandler>();
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public bool CanHandle(SynchronizerErrorContext error)
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{
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return error.Exception is IOException ||
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error.Exception is SocketException ||
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error.Exception is ServiceNotConnectedException ||
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error.Exception?.InnerException is IOException ||
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error.Exception?.InnerException is SocketException;
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}
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public Task<bool> HandleAsync(SynchronizerErrorContext error)
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{
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_logger.Warning(error.Exception,
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"IMAP connection lost for account {AccountName} ({AccountId}). Folder: {FolderName}. Operation: {Operation}. Will retry.",
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error.Account?.Name, error.Account?.Id, error.FolderName ?? "N/A", error.OperationType ?? "N/A");
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// Mark as transient - the RetryExecutor will handle the retry logic
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error.Severity = SynchronizerErrorSeverity.Transient;
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error.Category = SynchronizerErrorCategory.Network;
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// Suggest a reasonable retry delay for connection issues
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error.RetryDelay = TimeSpan.FromSeconds(2);
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return Task.FromResult(true);
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}
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}
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