protected override IDbConnection CreateConnection(DBObject dbObject, out string dsn)
{
var dataSourceName = dbObject.IP ?? dbObject.Node;
var connStrBuilder = new OracleConnectionStringBuilder();
if (dbObject.ConnectedMode == DBObject.Mode.Direct)
{
connStrBuilder.DataSource = string.Format(@"(DESCRIPTION = (CONNECT_DATA = (SERVER=DEDICATED)(SID = {0}))(ADDRESS_LIST = (ADDRESS = (COMMUNITY = tcp.world)(PROTOCOL = TCP)(Host = {1})(Port = 1521))(ADDRESS = (COMMUNITY = tcp.world)(PROTOCOL = TCP)(Host = {1})(Port = 1526))))", dbObject.Node, dataSourceName);
}
else
{
connStrBuilder.DataSource = dbObject.Node;
}
connStrBuilder.UserID = dbObject.ID;
if (LazyPassword.GetLazyPasswordEnabled(dbObject))
{
dbObject.Password = LazyPassword.GetPassword(new OracleConnection(), dbObject.ID, dbObject.LazyPasswordSecretKey, dbObject.LazyPasswordSecretKeyNode);
}
connStrBuilder.Password = dbObject.Password;
var extra = dbObject.ConnectionString as OracleConnectionString ?? new OracleConnectionString();
var ps = typeof(OracleConnectionString).GetProperties().Select(r =>
{
var attrs = r.GetCustomAttributes(false).OfType <Attribute>();
return(new
{
Value = r.GetValue(extra, null),
DisplayName = InternalHelper.GetValue <DisplayNameAttribute, string>(attr => attr.DisplayName, attrs),
DefaultValue = InternalHelper.GetValue <DefaultValueAttribute, object>(attr => attr.Value, attrs),
});
});
foreach (var p in ps)
{
var value = p.Value ?? p.DefaultValue;
if (value != null)
{
typeof(OracleConnectionStringBuilder).GetProperty(p.DisplayName).SetValue(connStrBuilder, value, null);
}
}
dsn = dbObject.Node;
return(new OracleConnection(connStrBuilder.ConnectionString));
}
protected override IDbConnection CreateConnection(DBObject dbObject, out string dsn)
{
var connStrBuilder = new OracleConnectionStringBuilder();
if (dbObject.ConnectedMode == DBObject.Mode.Direct)
{
var dataSourceName = dbObject.IP ?? dbObject.Node;
var port = dbObject.Port ?? "1521";
connStrBuilder.DataSource = string.Format(ConnectionStringPattern, dataSourceName, dbObject.Node, port);
}
else if (dbObject.ConnectedMode == DBObject.Mode.DSN)
{
connStrBuilder.DataSource = dbObject.Node;
}
else if (dbObject.ConnectedMode == DBObject.Mode.TNSNAME || LazyPassword.GetLazyPasswordEnabled(dbObject))
{
if (!_flgTnsnames)
{
var path = AncestorGlobalOptions.GetString("option.oracle.tnsnames");
if (string.IsNullOrEmpty(path))
{
// try to find tnsnames.ora file for resolve name alias
var oracleHome = FindOracleHome();
if (oracleHome != null)
{
path = Path.Combine(oracleHome, "NETWORK", "ADMIN", "TNSNAMES.ora");
}
}
if (File.Exists(path))
{
_LastTnsLocation = path;
}
_flgTnsnames = true;
}
if (_LastTnsLocation == null)
{
throw new NullReferenceException("no tnsnames.ora found");
}
lock (TnsNamesMap)
{
// try resolve tnsnames.ora
try
{
TnsNamesMap.Clear();
// parse tnsnames.ora to TnsNamesMap
var stack = new Stack <StringBuilder>();
var sb = new StringBuilder();
int c;
using (var fs = File.OpenRead(_LastTnsLocation))
using (var sr = new StreamReader(fs))
{
while ((c = sr.Read()) != -1)
{
switch ((char)c)
{
case '#':
sr.ReadLine();
continue;
case '(':
stack.Push(sb);
sb = new StringBuilder();
break;
case ')':
var t = stack.Pop();
if (stack.Count == 0)
{
var s = t.ToString();
var splited = s.Split(new[] { '=' }, StringSplitOptions.RemoveEmptyEntries);
if (splited.Length > 0)
{
var name = splited[0].Trim();
var dns = sb.Insert(0, "(").Append(")").ToString();
dns = Regex.Replace(dns, @"[\r|\n|\s]", string.Empty);
TnsNamesMap.AddOrUpdate(name, dns, (n, v) => dns);
}
sb.Clear();
}
else
{
t.Append(sb.Insert(0, "(").Append(")").ToString());
sb = t;
}
break;
case '\r':
case '\n':
continue;
default:
sb.Append((char)c);
break;
}
}
}
}
catch { }
}
connStrBuilder.DataSource = FindDataSource(dbObject.Node);
}
connStrBuilder.UserID = dbObject.ID;
if (LazyPassword.GetLazyPasswordEnabled(dbObject))
{
dbObject.Password = LazyPassword.GetPassword(new OracleConnection(), dbObject.ID, dbObject.LazyPasswordSecretKey, dbObject.LazyPasswordSecretKeyNode, GetLazyPasswordConnectionString);
}
connStrBuilder.Password = dbObject.Password;
var extra = dbObject.ConnectionString as OracleConnectionString ?? new OracleConnectionString();
var ps = typeof(OracleConnectionString).GetProperties().Select(r =>
{
var attrs = r.GetCustomAttributes(false).OfType <Attribute>();
return(new
{
Value = r.GetValue(extra, null),
DisplayName = InternalHelper.GetValue <DisplayNameAttribute, string>(attr => attr.DisplayName, attrs),
DefaultValue = InternalHelper.GetValue <DefaultValueAttribute, object>(attr => attr.Value, attrs),
});
});
foreach (var p in ps)
{
var value = p.Value ?? p.DefaultValue;
if (value != null)
{
typeof(OracleConnectionStringBuilder).GetProperty(p.DisplayName).SetValue(connStrBuilder, value, null);
}
}
dsn = dbObject.Node;
return(new OracleConnection(connStrBuilder.ConnectionString));
}