Packets: extended description of bad_cast exception in Packet.as()

[senf.git] / senf / Packets / 80221Bundle / MIHPacket.cc

diff --git a/senf/Packets/80221Bundle/MIHPacket.cc b/senf/Packets/80221Bundle/MIHPacket.cc
index 3f549c5..4c40482 100644 (file)
--- a/senf/Packets/80221Bundle/MIHPacket.cc
+++ b/senf/Packets/80221Bundle/MIHPacket.cc
@@ -28,18 +28,19 @@
 
 // Custom includes
 #include <boost/io/ios_state.hpp>
+#include <senf/Utils/String.hh>
 #include <senf/Packets/DefaultBundle/EthernetPacket.hh>
 
 #define prefix_
-///////////////////////////////cc.p////////////////////////////////////////
+//-/////////////////////////////////////////////////////////////////////////////////////////////////
 
 SENF_PACKET_REGISTRY_REGISTER( senf::EtherTypes, 0x8917, senf::MIHPacket);
 
 
-///////////////////////////////////////////////////////////////////////////
+//-/////////////////////////////////////////////////////////////////////////////////////////////////
 // MIHPacketType
 
-prefix_ void senf::MIHPacketType::dump(packet p, std::ostream &os)
+prefix_ void senf::MIHPacketType::dump(packet p, std::ostream & os)
 {
     boost::io::ios_all_saver ias(os);
     os << "MIH Packet:\n"
@@ -77,10 +78,26 @@ prefix_ senf::PacketInterpreterBase::factory_t senf::MIHPacketType::nextPacketTy
     return e ? e->factory() : MIHGenericPayloadPacket::factory();
 }
 
-///////////////////////////////////////////////////////////////////////////
+prefix_ void senf::MIHPacketType::validate(packet p)
+{
+    try {
+        if (p.data().size() < initSize())
+            throw InvalidMIHPacketException("truncated MIH message");
+        if (p->version() != 1)
+            throw InvalidMIHPacketException("invalid MIH version: ") << senf::str(p->version());
+        if (p->payloadLength() != p.size()-8)
+            throw InvalidMIHPacketException("wrong MIH length: ") << senf::str(p->payloadLength());
+        if (p.next(senf::nothrow))
+            MIHMessageRegistry::instance().validate( p->messageId(), p.next());
+    } catch (TruncatedPacketException & e) {
+        throw InvalidMIHPacketException("truncated MIH message");
+    }
+}
+
+//-/////////////////////////////////////////////////////////////////////////////////////////////////
 // MIHGenericPayloadPacketType
 
-prefix_ void senf::MIHGenericPayloadPacketType::dump(packet p, std::ostream &os)
+prefix_ void senf::MIHGenericPayloadPacketType::dump(packet p, std::ostream & os)
 {
     boost::io::ios_all_saver ias(os);
     os << "MIH Payload (service specific TLVs):\n";
@@ -94,12 +111,14 @@ prefix_ void senf::MIHGenericPayloadPacketType::finalize(packet p)
 {
     typedef parser::tlvList_t::container tlvContainer_t;
     tlvContainer_t tlvs (p->tlvList() );
-    for (tlvContainer_t::iterator i (tlvs.begin()); i != tlvs.end(); ++i)
-        i->finalize();
+    for (tlvContainer_t::iterator i (tlvs.begin()); i != tlvs.end(); ++i) {
+        MIHGenericTLVParser p (*i);
+        p.finalize();
+    }
 }
 
 
-///////////////////////////////cc.e////////////////////////////////////////
+//-/////////////////////////////////////////////////////////////////////////////////////////////////
 #undef prefix_
 
 \f