private async Task CheckLocalConfig(string agentName, CacheData cacheData)
{
string dataId = cacheData.DataId;
string group = cacheData.Group;
string tenant = cacheData.Tenant;
var path = FileLocalConfigInfoProcessor.GetFailoverFile(agentName, dataId, group, tenant);
if (!cacheData.IsUseLocalConfig && path.Exists)
{
string content = await FileLocalConfigInfoProcessor.GetFailoverAsync(agentName, dataId, group, tenant);
string md5 = HashUtil.GetMd5(content);
cacheData.SetUseLocalConfigInfo(true);
cacheData.SetLocalConfigInfoVersion(path.LastWriteTimeUtc.ToTimestamp());
cacheData.SetContent(content);
_logger?.LogWarning(
"[{0}] [failover-change] failover file created. dataId={1}, group={2}, tenant={3}, md5={4}, content={5}",
agentName, dataId, group, tenant, md5, ContentUtils.TruncateContent(content));
return;
}
// If use local config info, then it doesn't notify business listener and notify after getting from server.
if (cacheData.IsUseLocalConfig && !path.Exists)
{
cacheData.SetUseLocalConfigInfo(false);
_logger?.LogWarning(
"[{0}] [failover-change] failover file deleted. dataId={1}, group={2}, tenant={3}",
agentName, dataId, group, tenant);
return;
}
// When it changed.
if (cacheData.IsUseLocalConfig &&
path.Exists &&
cacheData.GetLocalConfigInfoVersion() != path.LastWriteTimeUtc.ToTimestamp())
{
string content = await FileLocalConfigInfoProcessor.GetFailoverAsync(agentName, dataId, group, tenant);
string md5 = HashUtil.GetMd5(content);
cacheData.SetUseLocalConfigInfo(true);
cacheData.SetLocalConfigInfoVersion(path.LastWriteTimeUtc.ToTimestamp());
cacheData.SetContent(content);
_logger?.LogWarning(
"[{0}] [failover-change] failover file created. dataId={1}, group={2}, tenant={3}, md5={4}, content={5}",
agentName, dataId, group, tenant, md5, ContentUtils.TruncateContent(content));
}
}
internal async Task AddTenantListenersWithContent(string dataId, string group, string content, List <IListener> listeners)
{
group = ParamUtils.Null2DefaultGroup(group);
string tenant = _agent.GetTenant();
CacheData cache = AddCacheDataIfAbsent(dataId, group, tenant);
cache.SetContent(content);
foreach (var listener in listeners)
{
cache.AddListener(listener);
}
// if current cache is already at listening status,do not notify.
if (!cache.IsListenSuccess)
{
await _agent.NotifyListenConfigAsync();
}
}
private async Task RefreshContentAndCheck(CacheData cacheData, bool notify)
{
try
{
var ct = await GetServerConfig(cacheData.DataId, cacheData.Group, cacheData.Tenant, 3000L, notify);
cacheData.SetContent(ct[0]);
if (ct.Count > 1 && ct[1] != null)
{
cacheData.Type = ct[1];
}
cacheData.CheckListenerMd5();
}
catch (Exception ex)
{
_logger?.LogError(ex, "refresh content and check md5 fail ,dataid={0},group={1},tenant={2} ", cacheData.DataId, cacheData.Group, cacheData.Tenant);
}
}
private async Task RefreshContentAndCheck(CacheData cacheData, bool notify)
{
try
{
var resp = await GetServerConfig(cacheData.DataId, cacheData.Group, cacheData.Tenant, 3000L, notify).ConfigureAwait(false);
cacheData.SetContent(resp.GetContent());
if (resp.GetConfigType().IsNotNullOrWhiteSpace())
{
cacheData.Type = resp.GetConfigType();
}
cacheData.CheckListenerMd5();
}
catch (Exception ex)
{
_logger?.LogError(ex, "refresh content and check md5 fail ,dataid={0},group={1},tenant={2} ", cacheData.DataId, cacheData.Group, cacheData.Tenant);
}
}