/// <summary>
/// Returns a stream that can be used to access the contents of the object, if the object is not a folder.
/// </summary>
/// <returns>A stream that can be used to access the object contents.</returns>
public override ISharedStreamReader GetStream()
{
ISharedStreamReader baseStream = base.GetStream();
if (baseStream != null)
{
// file is cached
Trace.TraceInformation("Reading from local cache {0}", baseStream);
return(baseStream);
}
Stream stream;
if (this.IsDfsStream)
{
var dfsFileStream = this.client.GetDfsFileStream(this.path);
stream = dfsFileStream.Stream;
}
else
{
stream = new AzureLogReaderStream(
this.client.AccountName,
this.client.AccountKey,
this.client.ContainerName,
this.path);
}
long size = this.Size;
int bufferSize = 1024 * 1024;
if (size >= 0)
{
bufferSize = (int)(size / 10);
if (bufferSize < 1024 * 1024)
{
bufferSize = 1024 * 1024;
}
if (bufferSize > 20 * 1024 * 1024)
{
bufferSize = 20 * 1024 * 1024;
}
}
StreamReader reader = new StreamReader(stream, System.Text.Encoding.UTF8, false, bufferSize);
if (this.ShouldCacheLocally && this.LocalCachePath != null)
{
// cache it
if (this.RepresentsAFolder)
{
throw new ClusterException("Cannot cache folders");
}
StreamWriter writer = this.CreateTempStream();
return(new SharedStreamReader(reader, writer, this.OnClose));
}
else
{
// dont cache it
return(new SharedStreamReader(reader));
}
}
static void Main(string[] args)
{
Uri uri = new Uri(args[0]);
string account, key, container, blob;
Utils.FromAzureUri(uri, out account, out key, out container, out blob);
if (key == null)
{
AzureSubscriptions subs = new AzureSubscriptions();
key = subs.GetAccountKeyAsync(account).Result;
uri = Utils.ToAzureUri(account, container, blob, null, key);
}
Stream log = new AzureLogReaderStream(uri);
if (args.Length > 1 && args[1] == "-tail")
{
Tail(log);
}
else
{
log.CopyTo(Console.OpenStandardOutput());
}
}
/// <summary>
/// Returns a stream that can be used to access the contents of the object, if the object is not a folder.
/// </summary>
/// <returns>A stream that can be used to access the object contents.</returns>
public override ISharedStreamReader GetStream()
{
ISharedStreamReader baseStream = base.GetStream();
if (baseStream != null)
{
// file is cached
Trace.TraceInformation("Reading from local cache {0}", baseStream);
return baseStream;
}
Stream stream;
if (this.IsDfsStream)
{
var dfsFileStream = this.client.GetDfsFileStream(this.path);
stream = dfsFileStream.Stream;
}
else
{
stream = new AzureLogReaderStream(
this.client.AccountName,
this.client.AccountKey,
this.client.ContainerName,
this.path);
}
long size = this.Size;
int bufferSize = 1024*1024;
if (size >= 0)
{
bufferSize = (int)(size/10);
if (bufferSize < 1024*1024)
bufferSize = 1024*1024;
if (bufferSize > 20*1024*1024)
bufferSize = 20*1024*1024;
}
StreamReader reader = new StreamReader(stream, System.Text.Encoding.UTF8, false, bufferSize);
if (this.ShouldCacheLocally && this.LocalCachePath != null)
{
// cache it
if (this.RepresentsAFolder)
throw new ClusterException("Cannot cache folders");
StreamWriter writer = this.CreateTempStream();
return new SharedStreamReader(reader, writer, this.OnClose);
}
else
{
// dont cache it
return new SharedStreamReader(reader);
}
}
/// <summary>
/// Returns a stream that can be used to access the contents of the object, if the object is not a folder.
/// </summary>
/// <returns>A stream that can be used to access the object contents.</returns>
/// <param name="keepNewlines">If true keep the newlines.</param>
public override ISharedStreamReader GetStream(bool keepNewlines)
{
ISharedStreamReader baseStream = base.GetStream(keepNewlines);
if (baseStream != null)
{
// file is cached
Trace.TraceInformation("Reading from local cache {0}", baseStream);
return baseStream;
}
Stream stream;
if (this.IsDfsStream)
{
Uri uri = UriFromPath(this.Config as AzureDfsClusterConfiguration, this.path);
stream = this.client.GetDfsStreamReader(uri);
}
else
{
string p = AzureDfsClusterStatus.GetBlobName(this.client.ContainerName,this.path);
stream = new AzureLogReaderStream(
this.client.AccountName,
this.client.AccountKey,
this.client.ContainerName,
p);
}
long sz = this.Size;
int bufferSize = 1024*1024;
if (sz >= 0)
{
bufferSize = (int)(sz/10);
if (bufferSize < 1024*1024)
bufferSize = 1024*1024;
if (bufferSize > 20*1024*1024)
bufferSize = 20*1024*1024;
}
SimpleStreamReader reader = new SimpleStreamReader(stream, true, Encoding.UTF8, false, bufferSize);
if (this.ShouldCacheLocally && this.LocalCachePath != null)
{
// cache it
if (this.RepresentsAFolder)
throw new ClusterException("Cannot cache folders");
StreamWriter writer = this.CreateTempStream();
return new SharedStreamReader(reader, writer, keepNewlines, this.OnClose);
}
else
{
// dont cache it
return new SharedStreamReader(reader, keepNewlines);
}
}
