protected override IEnumerable <EndpointAssignment> DoGetEndpointsForCall(string remoteAddress, string contract, object shardKey, Atom network, Atom binding)
{
var shard = (int)Data.ShardingUtils.ObjectToShardingID(shardKey) & CoreConsts.ABS_HASH_MASK;
var key = new cacheKey(remoteAddress, contract, binding, network);
if (!m_EPCache.TryGetValue(key, out var shards))
{
shards = m_Endpoints.Where(ep =>
remoteAddress.MatchPattern(ep.RemoteAddress) &&
contract.MatchPattern(ep.Contract) &&
ep.Binding == binding &&
ep.Network == network
).GroupBy(ep => ep.Shard)
.OrderBy(g => g.Key)
.Select(g => g.OrderBy(ep => ep.ShardOrder)
.Select(ep => new EndpointAssignment(ep, remoteAddress, contract)).ToArray())
.ToArray();
if (shards.Length == 0)
{
return(Enumerable.Empty <EndpointAssignment>());
}
var dict = new Dictionary <cacheKey, EndpointAssignment[][]>();
dict[key] = shards;
Thread.MemoryBarrier();
m_EPCache = dict;//atomic
}
var result = shards[shard % shards.Length];
return(result);
}
protected virtual EndpointAssignment[][] DoGetEndpointsForAllShardsArray(string remoteAddress, string contract, Atom network, Atom binding)
{
var key = new cacheKey(remoteAddress, contract, binding, network);
if (!m_EPCache.TryGetValue(key, out var shards))
{
shards = m_Endpoints.Where(ep =>
remoteAddress.MatchPattern(ep.RemoteAddress) &&
contract.MatchPattern(ep.Contract) &&
ep.Binding == binding &&
ep.Network == network
).GroupBy(ep => ep.Shard)
.OrderBy(g => g.Key)
.Select(g => g.OrderBy(ep => ep.ShardOrder)
.Select(ep => new EndpointAssignment(ep, remoteAddress, contract)).ToArray())
.ToArray();
if (shards.Length == 0)
{
return(null);
}
var dict = new Dictionary <cacheKey, EndpointAssignment[][]>(m_EPCache);
dict[key] = shards;
Thread.MemoryBarrier();
m_EPCache = dict;//atomic
}
return(shards);
}