class MSPNET_API Protocol
{
+public:
+ struct PacketHeader
+ {
+ std::uint16_t type = 0;
+ std::uint16_t length = 0;
+
+ PacketHeader() = default;
+ PacketHeader(std::uint16_t, std::uint16_t);
+ };
+
private:
template<typename T, std::uint8_t K>
struct BasicTraits;
virtual unsigned get_class_id() const = 0;
unsigned get_id() const { return id; }
virtual std::uint64_t get_hash() const = 0;
+ virtual const char *deserialize(Variant &, const char *, const char *) const = 0;
virtual const char *dispatch(ReceiverBase &, const char *, const char *) const = 0;
};
std::uint64_t get_hash() const override { return serializer->get_hash(); }
char *serialize(const P &, char *, char *) const;
const char *deserialize(P &, const char *, const char *) const;
+ const char *deserialize(Variant &, const char *, const char *) const override;
const char *dispatch(ReceiverBase &, const char *, const char *) const override;
};
auto fields(T1 P::*first, T2 P::*second, Rest P::*...rest) { return fields(first).fields(second, rest...); }
};
- struct PacketHeader
- {
- std::uint16_t type = 0;
- std::uint16_t length = 0;
-
- PacketHeader() = default;
- PacketHeader(std::uint16_t, std::uint16_t);
- };
-
PacketTypeDef<PacketHeader> header_def;
- unsigned next_packet_id;
+ unsigned next_packet_id = 1;
std::map<unsigned, std::unique_ptr<PacketDefBase>> packet_class_defs;
std::map<unsigned, PacketDefBase *> packet_id_defs;
protected:
- Protocol(unsigned = 1);
+ Protocol();
private:
static unsigned get_next_packet_class_id();
void add_packet(std::unique_ptr<PacketDefBase>);
protected:
- template<typename P>
- PacketDefBuilder<P, Serializer<P>> add(unsigned);
-
- template<typename P, typename T, typename... Rest>
- auto add(unsigned id, T P::*field, Rest P::*...rest) { return add<P>(id).fields(field, rest...); }
-
template<typename P>
PacketDefBuilder<P, Serializer<P>> add();
public:
template<typename P>
- std::size_t serialize(const P &, char *, std::size_t) const;
+ bool has_packet() const { return packet_class_defs.count(get_packet_class_id<P>()); }
+
+ template<typename P>
+ unsigned get_packet_id() const { return get_item(packet_class_defs, get_packet_class_id<P>())->get_id(); }
+ unsigned get_max_packet_id() const;
+
+ template<typename P>
+ std::size_t serialize(const P &, char *, std::size_t, unsigned = 0) const;
+
+ bool get_packet_header(PacketHeader &, const char *, std::size_t) const;
std::size_t get_packet_size(const char *, std::size_t) const;
- std::size_t dispatch(ReceiverBase &, const char *, std::size_t) const;
+ std::size_t dispatch(ReceiverBase &, const char *, std::size_t, unsigned = 0) const;
std::uint64_t get_hash() const;
};
}
template<typename P>
-Protocol::PacketDefBuilder<P, Protocol::Serializer<P>> Protocol::add(unsigned id)
+Protocol::PacketDefBuilder<P, Protocol::Serializer<P>> Protocol::add()
{
- std::unique_ptr<PacketTypeDef<P>> pdef = std::make_unique<PacketTypeDef<P>>(id);
+ std::unique_ptr<PacketTypeDef<P>> pdef = std::make_unique<PacketTypeDef<P>>(next_packet_id++);
PacketDefBuilder<P, Serializer<P>> next(*this, *pdef, Serializer<P>());
add_packet(move(pdef));
return next;
}
-template<typename P>
-Protocol::PacketDefBuilder<P, Protocol::Serializer<P>> Protocol::add()
-{
- return add<P>(next_packet_id++);
-}
-
template<typename P>
const Protocol::PacketTypeDef<P> &Protocol::get_packet_by_class() const
{
}
template<typename P>
-std::size_t Protocol::serialize(const P &pkt, char *buf, std::size_t size) const
+std::size_t Protocol::serialize(const P &pkt, char *buf, std::size_t size, unsigned base_id) const
{
const PacketTypeDef<P> &pdef = get_packet_by_class<P>();
if(!pdef.get_id())
throw std::invalid_argument("no packet id");
char *ptr = pdef.serialize(pkt, buf+4, buf+size);
size = ptr-buf;
- header_def.serialize(PacketHeader(pdef.get_id(), size), buf, buf+4);
+ header_def.serialize(PacketHeader(base_id+pdef.get_id(), size), buf, buf+4);
return size;
}
return serializer->deserialize(pkt, buf, end);
}
+template<typename P>
+const char *Protocol::PacketTypeDef<P>::deserialize(Variant &var_pkt, const char *buf, const char *end) const
+{
+ P pkt;
+ const char *ptr = serializer->deserialize(pkt, buf, end);
+ var_pkt = std::move(pkt);
+ return ptr;
+}
+
template<typename P>
const char *Protocol::PacketTypeDef<P>::dispatch(ReceiverBase &rcv, const char *buf, const char *end) const
{