public void write(ByteBuffer buf)
{
StringBuilder sbuf = new StringBuilder();
sbuf.Append("[\"N\",")
.Append("\"S\",") // Binary Stream
.Append("\"").Append(BVersioning.longToString(version)).Append("\"").Append(",")
.Append("\"L\"").Append(",") // Little Endian
.Append("\"\"");
if (bversion != 0)
{
sbuf.Append(",").Append(bversion);
}
if (sessionId != null)
{
sbuf.Append(",\"").Append(sessionId).Append("\"");
}
sbuf.Append("]");
buf.put(Encoding.UTF8.GetBytes(sbuf.ToString()));
}
public void read(ByteBuffer buf)
{
String str = Encoding.UTF8.GetString(buf.array(), buf.position(), buf.remaining());
str = str.Trim();
if (str.IndexOf("[") == 0)
{
int endPos = str.IndexOf("]");
if (endPos == str.Length - 1)
{
str = str.Substring(1, str.Length - 2);
String[] items = str.Split(',');
int idx = 0;
if (items.Length >= 5)
{
if (items[idx++] == "\"N\"")
{
protocols = items[idx++];
if (protocols.Length >= 3)
{
protocols = protocols.Substring(1, protocols.Length - 2);
String versionStr = items[idx++];
versionStr = versionStr.Substring(1, versionStr.Length - 2);
version = BVersioning.stringToLong(versionStr);
String byteOrderStr = items[idx++];
if (byteOrderStr.Equals("\"L\""))
{
byteOrder = ByteOrder.LITTLE_ENDIAN;
}
else if (byteOrderStr.Equals("\"B\""))
{
byteOrder = ByteOrder.BIG_ENDIAN;
}
else
{
byteOrder = ByteOrder.UNDEFINED;
}
String targetIdStr = items[idx++];
if (targetIdStr.Length > 2)
{
targetIdStr = targetIdStr.Substring(1, targetIdStr.Length - 2);
targetId = BTargetId.parseString(targetIdStr);
}
// BYPS Version.
// Due to a bug in versions before BYPS_VERSION_WITH_SESSIONID,
// this value is not correctly negotiated. If no sessionId is
// found, the bversion is ignored and set to the version number
// prior to BYPS_VERSION_WITH_SESSIONID.
if (items.Length >= 6)
{
bversion = Convert.ToInt32(items[5]);
}
else
{
bversion = 0;
}
if (items.Length >= 7)
{
sessionId = items[6];
if (sessionId.Length > 0)
{
int p = (sessionId[0] == '\"') ? 1 : 0;
int q = (sessionId[sessionId.Length - 1] == '\"') ? sessionId.Length - 1 : 0;
sessionId = sessionId.Substring(p, q - p);
}
}
else if (bversion >= BMessageHeader.BYPS_VERSION_WITH_SESSIONID)
{
bversion = BMessageHeader.BYPS_VERSION_WITH_SESSIONID - 1;
}
return; // OK
}
}
}
}
}
throw new BException(BExceptionC.CORRUPT, "Invalid negotiate message.");
}
