public string[] GetServiceUrls(string contractFullName, int contractMajorVersion, string infrastructureScopeName)
{
DiscoveryStoreEntry entry = this.PickStoreEntry(contractFullName, contractMajorVersion, infrastructureScopeName, false);
string[] urls;
if (entry is null)
{
if (infrastructureScopeName.Contains("/"))
{
string[] tokens = infrastructureScopeName.Split('/');
tokens = tokens.Take(tokens.Length - 1).ToArray();
infrastructureScopeName = String.Join("/", tokens);
urls = this.GetServiceUrls(contractFullName, contractMajorVersion, infrastructureScopeName);
}
else
{
urls = new string[] {};
}
}
else
{
urls = entry.UrlEntries.Where((u) => u.AvailabilityState >= 0).OrderBy((u) => u.AvailabilityState).Select((u) => u.Url).ToArray();
}
return(urls);
}
public bool AnnounceServiceUrl(string serviceUrl, string contractFullName, int contractMajorVersion, string infrastructureScopeName, int initialAvailabilityState, DateTime timestampUtc, string legitimationHash)
{
this.ThrowOnInvalidHash(serviceUrl, timestampUtc, legitimationHash);
DiscoveryStoreEntry entry = this.PickStoreEntry(contractFullName, contractMajorVersion, infrastructureScopeName, true);
entry.LastUpdateUtc = DateTime.UtcNow;
DiscoveryStoreUrlEntry urlEntry = entry.UrlEntries.Where((e) => e.Url.Equals(serviceUrl, StringComparison.InvariantCultureIgnoreCase)).SingleOrDefault();
if (urlEntry is null)
{
urlEntry = new DiscoveryStoreUrlEntry();
urlEntry.Url = serviceUrl;
urlEntry.AvailabilityState = initialAvailabilityState;
entry.UrlEntries = entry.UrlEntries.Union(new DiscoveryStoreUrlEntry[] { urlEntry }).ToArray();
}
else
{
urlEntry.AvailabilityState = initialAvailabilityState;
}
try {
this.SaveStoreEntry(entry);
}
catch {
return(false);
}
return(true);
}
private DiscoveryStoreEntry PickStoreEntry(string contractFullName, int contractMajorVersion, string infrastructureScopeName, bool createIfNotEists)
{
DiscoveryStoreEntry entry;
lock (_StoreEntries) {
entry = _StoreEntries.Where((e) => e.ContractFullName == contractFullName && e.ContractMajorVersion == contractMajorVersion && e.InfrastructureScopeName == infrastructureScopeName).SingleOrDefault();
if (entry is null && createIfNotEists)
{
entry = new DiscoveryStoreEntry();
entry.ContractFullName = contractFullName;
entry.ContractMajorVersion = contractMajorVersion;
entry.InfrastructureScopeName = infrastructureScopeName;
entry.LastUpdateUtc = DateTime.MinValue;
entry.UrlEntries = new DiscoveryStoreUrlEntry[] { };
_StoreEntries.Add(entry);
}
}
return(entry);
}
private void SaveStoreEntry(DiscoveryStoreEntry entry)
{
_PersistentStore.SaveEntry(entry);
}
