X-Git-Url: http://git.tdb.fi/?p=libs%2Fnet.git;a=blobdiff_plain;f=source%2Fnet%2Fprotocol.cpp;h=52678af2d9009cf9279d88ce3e1856d0fee1be9b;hp=d862ed82f72a37d7416160307dac7b7069d749bf;hb=HEAD;hpb=3c2a877580e234df5fcbe06bf2850cd29f875e28

diff --git a/source/net/protocol.cpp b/source/net/protocol.cpp
index d862ed8..5e82a80 100644
--- a/source/net/protocol.cpp
+++ b/source/net/protocol.cpp
@@ -1,36 +1,36 @@
+#include "protocol.h"
 #include <cstring>
 #include <string>
 #include <msp/core/maputils.h>
+#include <msp/strings/format.h>
 #include <msp/strings/lexicalcast.h>
-#include "protocol.h"
 
 using namespace std;
 
-
 namespace Msp {
 namespace Net {
 
-Protocol::Protocol(unsigned npi):
-	header_def(0),
-	next_packet_id(npi)
+Protocol::Protocol():
+	header_def(0)
 {
-	PacketDefBuilder<PacketHeader, NullSerializer<PacketHeader> >(*this, header_def, NullSerializer<PacketHeader>())
-		(&PacketHeader::type)(&PacketHeader::length);
+	PacketDefBuilder<PacketHeader, Serializer<PacketHeader>>(*this, header_def, Serializer<PacketHeader>())
+		.fields(&PacketHeader::type, &PacketHeader::length);
 }
 
-Protocol::~Protocol()
+unsigned Protocol::get_next_packet_class_id()
 {
-	for(map<unsigned, PacketDefBase *>::iterator i=packet_class_defs.begin(); i!=packet_class_defs.end(); ++i)
-		delete i->second;
+	static unsigned next_id = 1;
+	return next_id++;
 }
 
-void Protocol::add_packet(PacketDefBase *pdef)
+void Protocol::add_packet(unique_ptr<PacketDefBase> pdef)
 {
-	PacketDefBase *&ptr = packet_class_defs[pdef->get_class_id()];
+	unique_ptr<PacketDefBase> &ptr = packet_class_defs[pdef->get_class_id()];
 	if(ptr)
-		delete ptr;
-	ptr = pdef;
-	packet_id_defs[pdef->get_id()] = pdef;
+		packet_id_defs.erase(ptr->get_id());
+	ptr = move(pdef);
+	if(unsigned id = ptr->get_id())
+		packet_id_defs[id] = ptr.get();
 }
 
 const Protocol::PacketDefBase &Protocol::get_packet_by_class_id(unsigned id) const
@@ -43,30 +43,54 @@ const Protocol::PacketDefBase &Protocol::get_packet_by_id(unsigned id) const
 	return *get_item(packet_id_defs, id);
 }
 
-unsigned Protocol::dispatch(ReceiverBase &rcv, const char *buf, unsigned size) const
+unsigned Protocol::get_max_packet_id() const
+{
+	if(packet_id_defs.empty())
+		return 0;
+	return prev(packet_id_defs.end())->first;
+}
+
+size_t Protocol::dispatch(ReceiverBase &rcv, const char *buf, size_t size, unsigned base_id) const
 {
 	PacketHeader header;
-	buf = header_def.deserialize(header, buf, buf+size);
+	const char *ptr = header_def.deserialize(header, buf, buf+size);
 	if(header.length>size)
 		throw bad_packet("truncated");
-	const PacketDefBase &pdef = get_packet_by_id(header.type);
-	const char *ptr = pdef.dispatch(rcv, buf, buf+header.length);
+	const PacketDefBase &pdef = get_packet_by_id(header.type-base_id);
+	if(DynamicReceiver *drcv = dynamic_cast<DynamicReceiver *>(&rcv))
+	{
+		Variant pkt;
+		ptr = pdef.deserialize(pkt, ptr, ptr+header.length);
+		drcv->receive(pdef.get_id(), pkt);
+	}
+	else
+		ptr = pdef.dispatch(rcv, ptr, ptr+header.length);
 	return ptr-buf;
 }
 
-unsigned Protocol::get_packet_size(const char *buf, unsigned size) const
+bool Protocol::get_packet_header(PacketHeader &header, const char *buf, size_t size) const
 {
 	if(size<4)
-		return 0;
-	PacketHeader header;
+		return false;
 	header_def.deserialize(header, buf, buf+size);
-	return header.length;
+	return true;
+}
+
+size_t Protocol::get_packet_size(const char *buf, size_t size) const
+{
+	PacketHeader header;
+	return (get_packet_header(header, buf, size) ? header.length : 0);
 }
 
-unsigned Protocol::get_hash() const
+uint64_t Protocol::get_hash() const
 {
-	// TODO
-	return 123;
+	uint64_t result = hash<64>(packet_id_defs.size());
+	for(auto &kvp: packet_id_defs)
+	{
+		hash_update<64>(result, kvp.first);
+		hash_update<64>(result, kvp.second->get_hash());
+	}
+	return result;
 }
 
 
@@ -79,7 +103,7 @@ char *Protocol::BasicSerializer<T>::serialize(const T &value, char *buf, char *e
 		throw buffer_error("overflow");
 
 	const char *ptr = reinterpret_cast<const char *>(&value)+sizeof(T);
-	for(unsigned i=0; i<sizeof(T); ++i)
+	for(size_t i=0; i<sizeof(T); ++i)
 		*buf++ = *--ptr;
 
 	return buf;
@@ -92,30 +116,32 @@ const char *Protocol::BasicSerializer<T>::deserialize(T &value, const char *buf,
 		throw buffer_error("underflow");
 
 	char *ptr = reinterpret_cast<char *>(&value)+sizeof(T);
-	for(unsigned i=0; i<sizeof(T); ++i)
+	for(size_t i=0; i<sizeof(T); ++i)
 		*--ptr = *buf++;
 
 	return buf;
 }
 
-template char *Protocol::BasicSerializer<Int8>::serialize(const Int8 &, char *, char *) const;
-template char *Protocol::BasicSerializer<Int16>::serialize(const Int16 &, char *, char *) const;
-template char *Protocol::BasicSerializer<Int32>::serialize(const Int32 &, char *, char *) const;
-template char *Protocol::BasicSerializer<Int64>::serialize(const Int64 &, char *, char *) const;
-template char *Protocol::BasicSerializer<UInt8>::serialize(const UInt8 &, char *, char *) const;
-template char *Protocol::BasicSerializer<UInt16>::serialize(const UInt16 &, char *, char *) const;
-template char *Protocol::BasicSerializer<UInt32>::serialize(const UInt32 &, char *, char *) const;
-template char *Protocol::BasicSerializer<UInt64>::serialize(const UInt64 &, char *, char *) const;
+template char *Protocol::BasicSerializer<bool>::serialize(const bool &, char *, char *) const;
+template char *Protocol::BasicSerializer<int8_t>::serialize(const int8_t &, char *, char *) const;
+template char *Protocol::BasicSerializer<int16_t>::serialize(const int16_t &, char *, char *) const;
+template char *Protocol::BasicSerializer<int32_t>::serialize(const int32_t &, char *, char *) const;
+template char *Protocol::BasicSerializer<int64_t>::serialize(const int64_t &, char *, char *) const;
+template char *Protocol::BasicSerializer<uint8_t>::serialize(const uint8_t &, char *, char *) const;
+template char *Protocol::BasicSerializer<uint16_t>::serialize(const uint16_t &, char *, char *) const;
+template char *Protocol::BasicSerializer<uint32_t>::serialize(const uint32_t &, char *, char *) const;
+template char *Protocol::BasicSerializer<uint64_t>::serialize(const uint64_t &, char *, char *) const;
 template char *Protocol::BasicSerializer<float>::serialize(const float &, char *, char *) const;
 template char *Protocol::BasicSerializer<double>::serialize(const double &, char *, char *) const;
-template const char *Protocol::BasicSerializer<Int8>::deserialize(Int8 &, const char *, const char *) const;
-template const char *Protocol::BasicSerializer<Int16>::deserialize(Int16 &, const char *, const char *) const;
-template const char *Protocol::BasicSerializer<Int32>::deserialize(Int32 &, const char *, const char *) const;
-template const char *Protocol::BasicSerializer<Int64>::deserialize(Int64 &, const char *, const char *) const;
-template const char *Protocol::BasicSerializer<UInt8>::deserialize(UInt8 &, const char *, const char *) const;
-template const char *Protocol::BasicSerializer<UInt16>::deserialize(UInt16 &, const char *, const char *) const;
-template const char *Protocol::BasicSerializer<UInt32>::deserialize(UInt32 &, const char *, const char *) const;
-template const char *Protocol::BasicSerializer<UInt64>::deserialize(UInt64 &, const char *, const char *) const;
+template const char *Protocol::BasicSerializer<bool>::deserialize(bool &, const char *, const char *) const;
+template const char *Protocol::BasicSerializer<int8_t>::deserialize(int8_t &, const char *, const char *) const;
+template const char *Protocol::BasicSerializer<int16_t>::deserialize(int16_t &, const char *, const char *) const;
+template const char *Protocol::BasicSerializer<int32_t>::deserialize(int32_t &, const char *, const char *) const;
+template const char *Protocol::BasicSerializer<int64_t>::deserialize(int64_t &, const char *, const char *) const;
+template const char *Protocol::BasicSerializer<uint8_t>::deserialize(uint8_t &, const char *, const char *) const;
+template const char *Protocol::BasicSerializer<uint16_t>::deserialize(uint16_t &, const char *, const char *) const;
+template const char *Protocol::BasicSerializer<uint32_t>::deserialize(uint32_t &, const char *, const char *) const;
+template const char *Protocol::BasicSerializer<uint64_t>::deserialize(uint64_t &, const char *, const char *) const;
 template const char *Protocol::BasicSerializer<float>::deserialize(float &, const char *, const char *) const;
 template const char *Protocol::BasicSerializer<double>::deserialize(double &, const char *, const char *) const;
 
@@ -135,7 +161,7 @@ char *Protocol::StringSerializer::serialize(const string &str, char *buf, char *
 
 const char *Protocol::StringSerializer::deserialize(string &str, const char *buf, const char *end) const
 {
-	UInt16 length;
+	uint16_t length;
 	buf = length_serializer.deserialize(length, buf, end);
 	if(end-buf<static_cast<int>(length))
 		throw buffer_error("underflow");
@@ -144,19 +170,12 @@ const char *Protocol::StringSerializer::deserialize(string &str, const char *buf
 }
 
 
-unsigned Protocol::PacketDefBase::next_class_id = 1;
-
 Protocol::PacketDefBase::PacketDefBase(unsigned i):
 	id(i)
 { }
 
 
-Protocol::PacketHeader::PacketHeader():
-	type(0),
-	length(0)
-{ }
-
-Protocol::PacketHeader::PacketHeader(UInt16 t, UInt16 l):
+Protocol::PacketHeader::PacketHeader(uint16_t t, uint16_t l):
 	type(t),
 	length(l)
 { }