X-Git-Url: http://git.tdb.fi/?a=blobdiff_plain;f=source%2Fnet%2Fprotocol.cpp;h=358966f643152804ebc0e1b68a3c193179e2a4de;hb=449a2f3417748761f94f3002b1c15819c4d83365;hp=17e4310f5196c2f5c599cc103c8d8d5c6cf36430;hpb=2fbfce0c327c852d33c6713af646abf07b241108;p=libs%2Fnet.git

diff --git a/source/net/protocol.cpp b/source/net/protocol.cpp
index 17e4310..358966f 100644
--- a/source/net/protocol.cpp
+++ b/source/net/protocol.cpp
@@ -1,11 +1,9 @@
+#include "protocol.h"
 #include <cstring>
 #include <string>
-#include <msp/core/hash.h>
 #include <msp/core/maputils.h>
 #include <msp/strings/format.h>
 #include <msp/strings/lexicalcast.h>
-#include "protocol.h"
-#include "protocol_impl.h"
 
 using namespace std;
 
@@ -16,27 +14,24 @@ Protocol::Protocol(unsigned npi):
 	header_def(0),
 	next_packet_id(npi)
 {
-	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)
-	{
 		packet_id_defs.erase(ptr->get_id());
-		delete ptr;
-	}
-	ptr = pdef;
-	if(unsigned id = pdef->get_id())
-		packet_id_defs[id] = pdef;
+	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
@@ -49,32 +44,47 @@ const Protocol::PacketDefBase &Protocol::get_packet_by_id(unsigned id) const
 	return *get_item(packet_id_defs, id);
 }
 
-size_t Protocol::dispatch(ReceiverBase &rcv, const char *buf, size_t 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);
+	ptr = pdef.dispatch(rcv, ptr, ptr+header.length);
 	return ptr-buf;
 }
 
-size_t Protocol::get_packet_size(const char *buf, size_t 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);
 }
 
 uint64_t Protocol::get_hash() const
 {
-	string description;
-	for(PacketMap::const_iterator i=packet_id_defs.begin(); i!=packet_id_defs.end(); ++i)
-		description += format("%d:%s\n", i->first, i->second->describe());
-	return hash<64>(description);
+	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;
 }
 
 
@@ -154,18 +164,11 @@ 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 t, uint16_t l):
 	type(t),
 	length(l)