add sync logging

This commit is contained in:
Luke Pulverenti 2015-11-06 11:46:51 -05:00
parent 6f619eff5f
commit 79f4c3b30d

View File

@ -60,46 +60,61 @@ namespace MediaBrowser.Server.Implementations.Sync
return _fileSystem.GetValidFilename(filename); return _fileSystem.GetValidFilename(filename);
} }
private async Task<List<LocalItem>> RetrieveItems(CancellationToken cancellationToken)
{
_logger.Debug("Getting {0} from {1}", string.Join(MediaSync.PathSeparatorString, GetRemotePath().ToArray()), _provider.Name);
var fileResult = await _provider.GetFiles(new FileQuery
{
FullPath = GetRemotePath().ToArray()
}, _target, cancellationToken).ConfigureAwait(false);
if (fileResult.Items.Length > 0)
{
using (var stream = await _provider.GetFile(fileResult.Items[0].Id, _target, new Progress<double>(), cancellationToken))
{
return _json.DeserializeFromStream<List<LocalItem>>(stream);
}
}
return new List<LocalItem>();
}
private async Task EnsureData(CancellationToken cancellationToken) private async Task EnsureData(CancellationToken cancellationToken)
{ {
if (_items == null) if (_items == null)
{ {
_logger.Debug("Getting {0} from {1}", string.Join(MediaSync.PathSeparatorString, GetRemotePath().ToArray()), _provider.Name); _items = await RetrieveItems(cancellationToken).ConfigureAwait(false);
var fileResult = await _provider.GetFiles(new FileQuery
{
FullPath = GetRemotePath().ToArray()
}, _target, cancellationToken).ConfigureAwait(false);
if (fileResult.Items.Length > 0)
{
using (var stream = await _provider.GetFile(fileResult.Items[0].Id, _target, new Progress<double>(), cancellationToken))
{
_items = _json.DeserializeFromStream<List<LocalItem>>(stream);
}
}
else
{
_items = new List<LocalItem>();
}
} }
} }
private async Task SaveData(CancellationToken cancellationToken) private async Task SaveData(List<LocalItem> items, CancellationToken cancellationToken)
{ {
using (var stream = new MemoryStream()) using (var stream = new MemoryStream())
{ {
_json.SerializeToStream(_items, stream); _json.SerializeToStream(items, stream);
// Save to sync provider // Save to sync provider
stream.Position = 0; stream.Position = 0;
await _provider.SendFile(stream, GetRemotePath(), _target, new Progress<double>(), cancellationToken).ConfigureAwait(false); var remotePath = GetRemotePath();
_logger.Debug("Saving data.json to {0}. Remote path: {1}", _provider.Name, string.Join("/", remotePath));
await _provider.SendFile(stream, remotePath, _target, new Progress<double>(), cancellationToken).ConfigureAwait(false);
} }
} }
private async Task<T> GetData<T>(Func<List<LocalItem>, T> dataFactory) private async Task<T> GetData<T>(bool enableCache, Func<List<LocalItem>, T> dataFactory)
{ {
if (!enableCache)
{
var items = await RetrieveItems(CancellationToken.None).ConfigureAwait(false);
var newCache = items.ToList();
var result = dataFactory(items);
await UpdateCache(newCache).ConfigureAwait(false);
return result;
}
await _dataLock.WaitAsync().ConfigureAwait(false); await _dataLock.WaitAsync().ConfigureAwait(false);
try try
@ -115,16 +130,21 @@ namespace MediaBrowser.Server.Implementations.Sync
} }
private async Task UpdateData(Func<List<LocalItem>, List<LocalItem>> action) private async Task UpdateData(Func<List<LocalItem>, List<LocalItem>> action)
{
var items = await RetrieveItems(CancellationToken.None).ConfigureAwait(false);
items = action(items);
await SaveData(items.ToList(), CancellationToken.None).ConfigureAwait(false);
await UpdateCache(null).ConfigureAwait(false);
}
private async Task UpdateCache(List<LocalItem> list)
{ {
await _dataLock.WaitAsync().ConfigureAwait(false); await _dataLock.WaitAsync().ConfigureAwait(false);
try try
{ {
await EnsureData(CancellationToken.None).ConfigureAwait(false); _items = list;
_items = action(_items);
await SaveData(CancellationToken.None).ConfigureAwait(false);
} }
finally finally
{ {
@ -134,7 +154,7 @@ namespace MediaBrowser.Server.Implementations.Sync
public Task<List<LocalItem>> GetLocalItems(SyncTarget target, string serverId) public Task<List<LocalItem>> GetLocalItems(SyncTarget target, string serverId)
{ {
return GetData(items => items.Where(i => string.Equals(i.ServerId, serverId, StringComparison.OrdinalIgnoreCase)).ToList()); return GetData(false, items => items.Where(i => string.Equals(i.ServerId, serverId, StringComparison.OrdinalIgnoreCase)).ToList());
} }
public Task AddOrUpdate(SyncTarget target, LocalItem item) public Task AddOrUpdate(SyncTarget target, LocalItem item)
@ -157,17 +177,17 @@ namespace MediaBrowser.Server.Implementations.Sync
public Task<LocalItem> Get(SyncTarget target, string id) public Task<LocalItem> Get(SyncTarget target, string id)
{ {
return GetData(items => items.FirstOrDefault(i => string.Equals(i.Id, id, StringComparison.OrdinalIgnoreCase))); return GetData(true, items => items.FirstOrDefault(i => string.Equals(i.Id, id, StringComparison.OrdinalIgnoreCase)));
} }
public Task<List<LocalItem>> GetItems(SyncTarget target, string serverId, string itemId) public Task<List<LocalItem>> GetItems(SyncTarget target, string serverId, string itemId)
{ {
return GetData(items => items.Where(i => string.Equals(i.ServerId, serverId, StringComparison.OrdinalIgnoreCase) && string.Equals(i.ItemId, itemId, StringComparison.OrdinalIgnoreCase)).ToList()); return GetData(true, items => items.Where(i => string.Equals(i.ServerId, serverId, StringComparison.OrdinalIgnoreCase) && string.Equals(i.ItemId, itemId, StringComparison.OrdinalIgnoreCase)).ToList());
} }
public Task<List<LocalItem>> GetItemsBySyncJobItemId(SyncTarget target, string serverId, string syncJobItemId) public Task<List<LocalItem>> GetItemsBySyncJobItemId(SyncTarget target, string serverId, string syncJobItemId)
{ {
return GetData(items => items.Where(i => string.Equals(i.ServerId, serverId, StringComparison.OrdinalIgnoreCase) && string.Equals(i.SyncJobItemId, syncJobItemId, StringComparison.OrdinalIgnoreCase)).ToList()); return GetData(false, items => items.Where(i => string.Equals(i.ServerId, serverId, StringComparison.OrdinalIgnoreCase) && string.Equals(i.SyncJobItemId, syncJobItemId, StringComparison.OrdinalIgnoreCase)).ToList());
} }
} }
} }