public static List <byte[]> ParallelFetchKeyValuesHTTP(List <ConfigState.ShardServer> shardServers, Int64 tableID, byte[] key)
{
var threads = new BinaryListerThreadState[shardServers.Count];
var serverKeys = new List <KeyValuePair <byte[], byte[]> > [shardServers.Count];
byte[] endKey = Utils.NextKey(key);
var i = 0;
foreach (var shardServer in shardServers)
{
var url = Utils.HTTP.BuildUri(GetShardServerURL(shardServer),
"listkeyvalues?tableID=" + tableID,
"&startKey=", key,
"&endKey=", key,
"&count=" + 1);
threads[i] = new BinaryListerThreadState();
threads[i].thread = new Thread(new ThreadStart(threads[i].ListerThreadFunc));
threads[i].shardServer = shardServer;
threads[i].url = url;
threads[i].thread.Start();
i += 1;
}
i = 0;
foreach (var thread in threads)
{
thread.thread.Join();
serverKeys[i] = thread.keyValues;
i += 1;
}
var values = new List <byte[]>();
for (i = 0; i < serverKeys.Length; i++)
{
if (serverKeys[i] != null && serverKeys[i].Count != 0)
{
values.Add(serverKeys[i].First().Value);
}
else
{
values.Add(null);
}
}
return(values);
}
public static List <KeyValuePair <byte[], byte[]> >[] ParallelFetchTableKeyValuesHTTP(List <ConfigState.ShardServer> shardServers, Int64 tableID, byte[] startKey, byte[] endKey, bool forward)
{
var threads = new BinaryListerThreadState[shardServers.Count];
var serverKeys = new List <KeyValuePair <byte[], byte[]> > [shardServers.Count];
var listGranularity = 100 * 1000;
var direction = forward ? "forward" : "backward";
var i = 0;
foreach (var shardServer in shardServers)
{
var url = Utils.HTTP.BuildUri(GetShardServerURL(shardServer),
"listkeyvalues?tableID=" + tableID,
"&startKey=", startKey,
"&endKey=", endKey,
"&count=" + listGranularity,
"&direction=" + direction);
threads[i] = new BinaryListerThreadState();
threads[i].thread = new Thread(new ThreadStart(threads[i].ListerThreadFunc));
threads[i].shardServer = shardServer;
threads[i].url = url;
threads[i].thread.Start();
i += 1;
}
i = 0;
foreach (var thread in threads)
{
thread.thread.Join();
serverKeys[i] = thread.keyValues;
i += 1;
}
return(serverKeys);
}
public static List<KeyValuePair<byte[], byte[]>>[] ParallelFetchTableKeyValuesHTTP(List<ConfigState.ShardServer> shardServers, Int64 tableID, byte[] startKey, byte[] endKey, bool forward)
{
var threads = new BinaryListerThreadState[shardServers.Count];
var serverKeys = new List<KeyValuePair<byte[], byte[]>>[shardServers.Count];
var listGranularity = 100 * 1000;
var direction = forward ? "forward" : "backward";
var i = 0;
foreach (var shardServer in shardServers)
{
var url = Utils.HTTP.BuildUri(GetShardServerURL(shardServer),
"listkeyvalues?tableID=" + tableID,
"&startKey=", startKey,
"&endKey=", endKey,
"&count=" + listGranularity,
"&direction=" + direction);
threads[i] = new BinaryListerThreadState();
threads[i].thread = new Thread(new ThreadStart(threads[i].ListerThreadFunc));
threads[i].shardServer = shardServer;
threads[i].url = url;
threads[i].thread.Start();
i += 1;
}
i = 0;
foreach (var thread in threads)
{
thread.thread.Join();
serverKeys[i] = thread.keyValues;
i += 1;
}
return serverKeys;
}
public static List<byte[]> ParallelFetchKeyValuesHTTP(List<ConfigState.ShardServer> shardServers, Int64 tableID, byte[] key)
{
var threads = new BinaryListerThreadState[shardServers.Count];
var serverKeys = new List<KeyValuePair<byte[], byte[]>>[shardServers.Count];
byte[] endKey = Utils.NextKey(key);
var i = 0;
foreach (var shardServer in shardServers)
{
var url = Utils.HTTP.BuildUri(GetShardServerURL(shardServer),
"listkeyvalues?tableID=" + tableID,
"&startKey=", key,
"&endKey=", key,
"&count=" + 1);
threads[i] = new BinaryListerThreadState();
threads[i].thread = new Thread(new ThreadStart(threads[i].ListerThreadFunc));
threads[i].shardServer = shardServer;
threads[i].url = url;
threads[i].thread.Start();
i += 1;
}
i = 0;
foreach (var thread in threads)
{
thread.thread.Join();
serverKeys[i] = thread.keyValues;
i += 1;
}
var values = new List<byte[]>();
for (i = 0; i < serverKeys.Length; i++)
{
if (serverKeys[i] != null && serverKeys[i].Count != 0)
values.Add(serverKeys[i].First().Value);
else
values.Add(null);
}
return values;
}
