AAssociate
::AAssociate(std::istream & stream)
{
this->_item.read(stream, "PDU-type", Item::Field::Type::unsigned_int_8);
auto const type = this->_item.as_unsigned_int_8("PDU-type");
if(type != 0x01 && type != 0x02)
{
throw Exception("Invalid PDU type");
}
this->_item.read(stream, "Reserved-1", Item::Field::Type::unsigned_int_8);
this->_item.read(stream, "PDU-length", Item::Field::Type::unsigned_int_32);
auto const begin = stream.tellg();
this->_item.read(
stream, "Protocol-version", Item::Field::Type::unsigned_int_16);
this->_item.read(stream, "Reserved-2", Item::Field::Type::unsigned_int_16);
this->_item.read(stream, "Called-AE-title", Item::Field::Type::string, 16);
this->_item.read(stream, "Calling-AE-title", Item::Field::Type::string, 16);
this->_item.read(stream, "Reserved-3", Item::Field::Type::string, 32);
auto const length = this->_item.as_unsigned_int_32("PDU-length");
this->_item.add("Variable-items", std::vector<Item>());
auto & variable_items = this->_item.as_items("Variable-items");
while(stream.tellg()-begin < length)
{
auto const type = stream.peek();
Item sub_item;
if(type == 0x10)
{
sub_item = ApplicationContext(stream).get_item();
}
else if(type == 0x20 || type == 0x21)
{
sub_item = PresentationContext(stream).get_item();
}
else if(type == 0x50)
{
sub_item = UserInformation(stream).get_item();
}
else
{
throw Exception("Invalid sub-item");
}
variable_items.push_back(sub_item);
}
this->_item.as_unsigned_int_32("PDU-length") = this->_compute_length();
}
void perform() {
ReturnCode rc;
PSAPAddr psapaddr;
const char* addr = "#128//TELEX+00728722+RFC-1006+03+127.0.0.1";
psapaddr.parse(addr);
SSAPAddr calling;
SSAPAddr called = psapaddr.ssapaddr();
OssEncOID oid;
applicationContext.setDotValNotation("1.17.0.1.1");
OssEncOID syntax("");
OssIndex ossno;
for(int no = 0; no < PresentationContext::NPCTX; no++) {
datactxs[no] = PresentationContext(no * 2 + 1, asn,
TRANSFERT_SYNTAX_NAMES[no % TRANSFERT_SYNTAX_NAMES_LENGTH ]);
Presentation_context_definition_list::component context;
context.set_presentation_context_identifier(no * 2 + 1);
context.set_abstract_syntax_name(syntax);
contexts.insert_after(ossno, context);
}
Association_information information;
for (int no = 0; no < sizeof(udata) / sizeof(udata[0]); no++) {
OssHugeInt integer(1, (const unsigned char*)"1");
//udata[no] = integer; // = new Asn1IntegerType(no);
Association_information::component element;
//element.set_indirect_reference((no % contexts.size()) * 2 + 1);
//element.single_ASN1_type().setValue(udata[no]);
//element.set_data_value_descriptor(udata[no])
information.insert_after(ossno, element);
}
rc = initiator->AAssociateRequest(
mode, applicationContext, applicationContexts,
callingAPtitle, callingAEqualifier, callingAPInvocationIdentifier, callingAEInvocationIdentifier,
calledAPtitle, calledAEqualifier, calledAPInvocationIdentifier, calledAEInvocationIdentifier,
senderACSERequirements, mechanism, authentification, implementation,
callingPresentationAddress, calledPresentationAddress,
presentationContexts, defaultContext,
*presentationRequirements, *sessionRequirements,
isn, settings, reference, qualityOfService,
&information);
}
std::vector<PresentationContext>
AAssociate
::get_presentation_contexts() const
{
std::vector<PresentationContext> result;
for(auto const & item: this->_item.as_items("Variable-items"))
{
if(item.as_unsigned_int_8("Item-type") == 0x20 ||
item.as_unsigned_int_8("Item-type") == 0x21)
{
std::stringstream stream;
stream << item;
result.push_back(PresentationContext(stream));
}
}
return result;
}
