public bool TryGetRandomServer(Site site, ServerRole serverRole, ServerVersion serverVersion, ServiceTopology.RandomServerSearchType searchType, out string serverFqdn, out int foundVersion, [CallerFilePath] string callerFilePath = null, [CallerMemberName] string memberName = null, [CallerLineNumber] int callerFileLine = 0)
{
ServiceTopologyLog.Instance.Append(callerFilePath, memberName, callerFileLine);
List <TopologyServerInfo> list;
if (this.siteToServersDictionary.TryGetValue(site, out list))
{
List <TopologyServerInfo> list2;
if (ServiceTopology.RandomServerSearchType.ExactVersion == searchType)
{
list2 = list.FindAll((TopologyServerInfo server) => (server.Role & serverRole) != ServerRole.None && !server.IsOutOfService && server.AdminDisplayVersionNumber == serverVersion);
}
else if (searchType == ServiceTopology.RandomServerSearchType.MinimumVersion)
{
list2 = list.FindAll((TopologyServerInfo server) => (server.Role & serverRole) != ServerRole.None && !server.IsOutOfService && ServerVersion.Compare(server.AdminDisplayVersionNumber, serverVersion) >= 0);
}
else
{
ServerVersion nextVersion = new ServerVersion(serverVersion.Major + 1, 0, 0, 0);
list2 = list.FindAll((TopologyServerInfo server) => (server.Role & serverRole) != ServerRole.None && !server.IsOutOfService && ServerVersion.Compare(server.AdminDisplayVersionNumber, serverVersion) >= 0 && ServerVersion.Compare(server.AdminDisplayVersionNumber, nextVersion) < 0);
}
if (list2.Count > 0)
{
int index = ServiceTopology.Random.Next(list2.Count);
serverFqdn = list2[index].ServerFullyQualifiedDomainName;
foundVersion = list2[index].VersionNumber;
return(true);
}
}
serverFqdn = null;
foundVersion = 0;
return(false);
}
public bool TryGetRandomServerFromCurrentSite(ServerRole serverRole, ServerVersion serverVersion, ServiceTopology.RandomServerSearchType searchType, out string serverFqdn, out int foundVersion, [CallerFilePath] string callerFilePath = null, [CallerMemberName] string memberName = null, [CallerLineNumber] int callerFileLine = 0)
{
ServiceTopologyLog.Instance.Append(callerFilePath, memberName, callerFileLine);
if ((this.localServerInfo.Role & serverRole) > ServerRole.None && ((ServiceTopology.RandomServerSearchType.ExactVersion == searchType && this.localServerInfo.AdminDisplayVersionNumber == serverVersion) || (searchType == ServiceTopology.RandomServerSearchType.MinimumVersion && ServerVersion.Compare(this.localServerInfo.AdminDisplayVersionNumber, serverVersion) >= 0) || (ServiceTopology.RandomServerSearchType.MinimumVersionMatchMajor == searchType && ServerVersion.Compare(this.localServerInfo.AdminDisplayVersionNumber, serverVersion) >= 0 && new ServerVersion(this.localServerInfo.VersionNumber).Major == serverVersion.Major)))
{
serverFqdn = this.localServerInfo.ServerFullyQualifiedDomainName;
foundVersion = this.localServerInfo.VersionNumber;
return(true);
}
return(this.TryGetRandomServer(this.localServerInfo.Site, serverRole, serverVersion, searchType, out serverFqdn, out foundVersion, "f:\\15.00.1497\\sources\\dev\\data\\src\\storage\\ServiceDiscovery\\ServiceTopology.cs", "TryGetRandomServerFromCurrentSite", 1058));
}