/// <summary>
/// Write the K3P message to the stream specified. This is done using
/// reflection.
/// </summary>
public void ToStream(BinaryWriter w)
{
K3pCmd cmd = this as K3pCmd;
if (cmd != null)
{
WriteInst(w, cmd.InputIns);
}
// When this class derives from K3pCmd, the instruction from K3pCmd
// is encountered last. We must skip it.
FieldInfo[] info = this.GetType().GetFields();
for (int i = 0; i < ((cmd == null) ? info.Length : info.Length - 1); i++)
{
FieldInfo fi = info[i];
try
{
object value = fi.GetValue(this);
InternalToStream(w, value);
}
catch (Exception e)
{
throw new K3pException("Cannot convert " + this.GetType().FullName + "." + fi.Name + " in binary", e);
}
}
}
/// <summary>
/// Submit a query to the broker specified. The command array must
/// contain at least one command, the last of which being the command
/// having an associated result. A session will be created to handle
/// the commands. The callback function specified will be called when
/// the results are available.
/// </summary>
public void Submit(WmKmodBroker broker, K3pCmd[] inCmdArray, KmodQueryDelegate callback)
{
Debug.Assert(inCmdArray.Length > 0);
InCmdArray = inCmdArray;
InCmdWithRes = InCmdArray[InCmdArray.Length - 1];
Callback = callback;
base.Submit(broker);
}
/// <summary>
/// Slurp a result according to the input command specified. The method
/// throws an exception if it cannot slurp a valid result. The method
/// sets outDesc to a string describing the result obtained and outMsg
/// to the result obtained.
/// </summary>
public void Slurp(K3pCmd inCmd, out String outDesc, out K3pMsg outMsg)
{
outDesc = "unexpected result";
UInt32 outputIns = Ins();
if (outputIns == K3p.KMO_INVALID_REQ)
{
throw new Exception("invalid request");
}
else if (outputIns == K3p.KMO_INVALID_CONFIG)
{
outMsg = new K3p.kmo_invalid_config();
outDesc = "invalid configuration";
}
else if (outputIns == K3p.KMO_SERVER_ERROR)
{
K3p.kmo_server_error m = new K3p.kmo_server_error();
SlurpHelper(m, out outMsg);
outDesc = "cannot contact ";
String name = "server";
if (m.sid == K3p.kmo_server_error.Kmo_Sid.KMO_SID_KPS)
{
name = "KPS";
}
else if (m.sid == K3p.kmo_server_error.Kmo_Sid.KMO_SID_OPS)
{
name = "OPS";
}
else if (m.sid == K3p.kmo_server_error.Kmo_Sid.KMO_SID_OUS)
{
name = "OUS";
}
else if (m.sid == K3p.kmo_server_error.Kmo_Sid.KMO_SID_OTS)
{
name = "OTS";
}
else if (m.sid == K3p.kmo_server_error.Kmo_Sid.KMO_SID_IKS)
{
name = "IKS";
}
else if (m.sid == K3p.kmo_server_error.Kmo_Sid.KMO_SID_EKS)
{
name = "EKS";
}
outDesc += name + ": ";
String reason = m.message;
if (m.error == K3p.kmo_server_error.Kmo_Serror.KMO_SERROR_TIMEOUT)
{
reason = "timeout occurred";
}
else if (m.error == K3p.kmo_server_error.Kmo_Serror.KMO_SERROR_UNREACHABLE)
{
reason = "host unreachable";
}
outDesc += reason;
}
else if (outputIns == K3p.KMO_MUST_UPGRADE)
{
K3p.kmo_must_upgrade m = new K3p.kmo_must_upgrade();
SlurpHelper(m, out outMsg);
outDesc = "must upgrade ";
String what = "plugin";
if (m.what == K3p.KMO_UPGRADE_KPS)
{
what = "KPS";
}
outDesc += what;
}
else if (outputIns == K3p.KMO_SERVER_INFO_ACK)
{
SlurpHelper(new K3p.kmo_server_info_ack(), out outMsg);
}
else if (outputIns == K3p.KMO_SERVER_INFO_NACK)
{
SlurpHelper(new K3p.kmo_server_info_nack(), out outMsg);
}
else if (inCmd is K3p.kpp_get_kws_ticket && outputIns == 0)
{
SlurpHelper(new K3p.kmo_get_kws_ticket(), out outMsg);
}
else if (inCmd is K3p.kpp_lookup_rec_addr && outputIns == 0)
{
SlurpHelper(new K3p.kmo_lookup_rec_addr(), out outMsg);
}
else
{
throw new Exception("unexpected KMOD instruction " + outputIns);
}
}