public Task <IList <Uri> > GetGateways()
{
if (database.KeyExists(clusterId))
{
var val = database.StringGet(clusterId);
RedisMembershipCollection collection = serializer.Deserialize <RedisMembershipCollection>(val);
try
{
return(Task.FromResult <IList <Uri> >(collection.Where(x => x.Status == SiloStatus.Active && x.ProxyPort != 0)
.Select(y =>
{
var endpoint = new IPEndPoint(y.Address.Endpoint.Address, y.ProxyPort);
var gatewayAddress = SiloAddress.New(endpoint, y.Address.Generation);
return gatewayAddress.ToGatewayUri();
}).ToList()));
}
catch
{
return(Task.FromResult <IList <Uri> >(null));
}
}
else
{
return(Task.FromResult <IList <Uri> >(null));
}
}
public Task <IList <Uri> > GetGateways()
{
if (database.KeyExists(clusterId))
{
var val = database.StringGet(clusterId);
RedisMembershipCollection collection = serializer.Deserialize <RedisMembershipCollection>(val);
try
{
return(Task.FromResult <IList <Uri> >(collection
.Where(x => x.Status == SiloStatus.Active && x.ProxyPort != 0)
.Select(y =>
{
var endpoint = new IPEndPoint(y.Address.Endpoint.Address, y.ProxyPort);
var gatewayAddress = SiloAddress.New(endpoint, y.Address.Generation);
return gatewayAddress.ToGatewayUri();
}).ToList()));
}
catch (Exception ex)
{
logger?.LogErrorAsync(ex, "Redis Gateway List Provider - GetGateways").GetAwaiter();
return(Task.FromResult <IList <Uri> >(null));
}
}
logger?.LogWarningAsync("Redis Gateway List Provider - No Cluster ID exists.").GetAwaiter();
return(Task.FromResult <IList <Uri> >(null));
}
public async Task <bool> UpdateRow(MembershipEntry entry, string etag, TableVersion tableVersion)
{
bool ret = false;
try
{
while (true)
{
long ticks = DateTime.UtcNow.Ticks;
await database.StringSetAsync("locktoken", ticks.ToString(), new TimeSpan(0, 0, 10));
if (string.IsNullOrEmpty(etag))
{
etag = "0";
}
var rentry = RedisMembershipEntry.Create(clusterId, entry, etag);
var val = await database.StringGetAsync(clusterId);
if (!val.IsNull)
{
RedisMembershipCollection collection = serializer.Deserialize <RedisMembershipCollection>(val);
var items = collection.Where((x) => x.DeploymentId == clusterId && x.Address.ToParsableString() == rentry.Address.ToParsableString());
if (items != null && items.Count() > 0)
{
RedisMembershipEntry oldEntry = items.First();
rentry.LastIndex = oldEntry.LastIndex++;
collection.Remove(oldEntry);
collection.Add(rentry);
string tokenValue = await database.StringGetAsync("locktoken");
if (tokenValue != ticks.ToString())
{
continue;
}
else
{
ret = await database.StringSetAsync(clusterId, serializer.Serialize(collection));
break;
}
}
}
}
return(ret);
}
catch (Exception ex)
{
logger?.LogError(ex, "Redis membership table key '{0}' failed update row.", clusterId);
throw ex;
}
}
public async Task <bool> UpdateRow(MembershipEntry entry, string etag, TableVersion tableVersion)
{
try
{
bool ret = false;
if (string.IsNullOrEmpty(etag))
{
etag = "0";
}
var rentry = RedisMembershipEntry.Create(clusterId, entry, etag);
var val = await database.StringGetAsync(clusterId);
if (!val.IsNull)
{
RedisMembershipCollection collection = serializer.Deserialize <RedisMembershipCollection>(val);
var items = collection.Where((x) => x.DeploymentId == clusterId && x.Address.ToParsableString() == rentry.Address.ToParsableString());
if (items != null && items.Count() > 0)
{
RedisMembershipEntry oldEntry = items.First();
rentry.LastIndex = oldEntry.LastIndex++;
collection.Remove(oldEntry);
collection.Add(rentry);
ret = await database.StringSetAsync(clusterId, serializer.Serialize(collection));
}
}
return(ret);
}
catch (Exception ex)
{
logger?.LogError(ex, "Redis membership table key '{0}' failed update row.", clusterId);
throw ex;
}
}
