/*! \brief Parse key descriptor.
\warning Encoded data is modified during parsing.
\warning In case of an error, throws either ByteSeqException or
IPMPDataException.
\param encoded input, encoded data.
\returns Key descriptor.
*/
KeyDescriptor IPMPDataParser::ParseKeyDescriptor(ByteSeq& encoded) {
ByteSeq keyBody = encoded.GetBytes((UInt32T)(encoded.GetSizeOfInstance(0)));
return KeyDescriptor(keyBody);
}
/*! \brief Parse IPMP data message, call handling function and return it's
response.
\warning Encoded data is modified during parsing.
\warning Response can be empty, depending on whether any response is
needed and whether an error occured during the processing.
\param sender input, sender's code.
\param encoded input, encoded message.
\param agent input, IPMP agent which will handle parsed message.
\param resp output, response message data.
\returns Boolean indicating success or failure.
*/
bool IPMPDataParser::ParseMessage(const Bit32T& sender, ByteSeq& encoded,
IPMPAgent* agent, ByteSeq& resp) {
try {
ByteT tag = encoded.GetByte();
ByteSeq data(encoded.GetBytes((UInt32T)(encoded.GetSizeOfInstance(0xfffffff))));
switch (tag) {
case 0x01:
// Opaque data.
if (agent->HandleOpaqueIPMPData(sender, ParseOpaqueData(data), resp) == false) {
return false;
}
break;
case 0x08:
// Rights data.
if (agent->HandleRightsIPMPData(sender, ParseRightsData(data), resp) == false) {
return false;
}
break;
case 0x09:
// Secure container.
if (agent->HandleSecureContainerIPMPData(sender, ParseSecureContainer(data), resp) == false) {
return false;
}
break;
case 0x0c:
// Init authentication.
if (agent->HandleInitAuthenticationIPMPData(sender, ParseInitAuthentication(data), resp) == false) {
return false;
}
break;
case 0x0d:
// Mutual authentication.
if (agent->HandleMutualAuthenticationIPMPData(sender, ParseMutualAuthentication(data), resp) == false) {
return false;
}
break;
case 0x17:
// Can process.
if (agent->HandleCanProcessIPMPData(sender, ParseCanProcess(data), resp) == false) {
return false;
}
break;
case 0x0e:
// User query.
if (agent->HandleUserQueryIPMPData(sender, ParseUserQueryData(data), resp) == false) {
return false;
}
break;
case 0x0f:
// User response.
if (agent->HandleUserQueryResponseIPMPData(sender, ParseUserQueryResponseData(data), resp) == false) {
return false;
}
break;
default:
return false;
}
return true;
}
catch (ByteSeqException) {
return false;
}
catch (IPMPDataException) {
return false;
}
catch (IPMPDataParserException) {
return false;
}
// catch (...) {
// return false;
// }
}
