public async Task <bool> InsertRow(MembershipEntry entry, TableVersion tableVersion)
{
try
{
RedisMembershipEntry rentry = RedisMembershipEntry.Create(clusterId, entry, "0");
RedisMembershipCollection collection = null;
var val = await database.StringGetAsync(clusterId);
if (!val.IsNull)
{
collection = serializer.Deserialize <RedisMembershipCollection>(val);
collection.Add(rentry);
}
else
{
collection = new RedisMembershipCollection();
collection.Add(rentry);
}
bool ret = await database.StringSetAsync(clusterId, serializer.Serialize(collection));
return(ret);
}
catch (Exception ex)
{
logger?.LogError(ex, "Redis membership table key '{0}' failed insert row.", clusterId);
throw ex;
}
}
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> InsertRow(MembershipEntry entry, TableVersion tableVersion)
{
bool ret = false;
try
{
while (true)
{
long ticks = DateTime.UtcNow.Ticks;
await database.StringSetAsync("locktoken", ticks.ToString(), new TimeSpan(0, 0, 10));
RedisMembershipEntry rentry = RedisMembershipEntry.Create(clusterId, entry, "0");
RedisMembershipCollection collection = null;
var val = await database.StringGetAsync(clusterId);
if (!val.IsNull)
{
collection = serializer.Deserialize <RedisMembershipCollection>(val);
collection.Add(rentry);
}
else
{
collection = new RedisMembershipCollection();
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 insert row.", clusterId);
throw ex;
}
}
public static RedisMembershipEntry Create(string deploymentId, MembershipEntry entry, String etag)
{
var ret = new RedisMembershipEntry
{
DeploymentId = deploymentId,
Address = entry.SiloAddress,
IAmAliveTime = entry.IAmAliveTime,
LastIndex = Convert.ToUInt64(etag),
Hostname = entry.HostName,
ProxyPort = entry.ProxyPort,
StartTime = entry.StartTime,
Status = entry.Status,
SiloName = entry.SiloName,
UpdateZone = entry.UpdateZone,
FaultZone = entry.FaultZone,
SuspectingSilos = entry.SuspectTimes?.Select(silo => new SuspectingSilo {
Id = silo.Item1.ToParsableString(), Time = silo.Item2
}).ToList()
};
return(ret);
}
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;
}
}
