X-Git-Url: http://git.tdb.fi/?a=blobdiff_plain;f=source%2Fnet%2Fprotocol.h;h=aca3ca8c1acba8698becd5bd637da570530d7e67;hb=d11d422d06ca0277dff4860a0bf71b1844c94b8a;hp=05ea60e2f13232305a0ca18c9b50850db25e013c;hpb=8248f2912454229f4ded72b8fb4db3e76ea3ad15;p=libs%2Fnet.git diff --git a/source/net/protocol.h b/source/net/protocol.h index 05ea60e..aca3ca8 100644 --- a/source/net/protocol.h +++ b/source/net/protocol.h @@ -1,10 +1,10 @@ #ifndef MSP_NET_PROTOCOL_H_ #define MSP_NET_PROTOCOL_H_ +#include #include #include #include -#include #include "receiver.h" namespace Msp { @@ -14,7 +14,6 @@ class bad_packet: public std::runtime_error { public: bad_packet(const std::string &w): std::runtime_error(w) { } - virtual ~bad_packet() throw() { } }; @@ -22,14 +21,13 @@ class buffer_error: public std::runtime_error { public: buffer_error(const std::string &w): std::runtime_error(w) { } - virtual ~buffer_error() throw() { } }; class Protocol { private: - template + template struct BasicTraits; template @@ -38,7 +36,7 @@ private: template struct CompoundTypeDef { - virtual ~CompoundTypeDef() { } + virtual ~CompoundTypeDef() = default; virtual std::string describe() const = 0; virtual char *serialize(const C &, char *, char *) const = 0; @@ -76,7 +74,7 @@ private: typedef std::string ValueType; private: - BasicSerializer length_serializer; + BasicSerializer length_serializer; public: StringSerializer(const Protocol &); @@ -93,7 +91,7 @@ private: typedef A ValueType; private: - BasicSerializer length_serializer; + BasicSerializer length_serializer; typename Traits::Serializer element_serializer; public: @@ -165,11 +163,10 @@ private: protected: unsigned id; - static unsigned next_class_id; - PacketDefBase(unsigned); public: - virtual ~PacketDefBase() { } + virtual ~PacketDefBase() = default; + virtual unsigned get_class_id() const = 0; unsigned get_id() const { return id; } virtual std::string describe() const = 0; @@ -182,14 +179,11 @@ private: private: CompoundTypeDef

*compound; - static unsigned class_id; - public: PacketTypeDef(unsigned); ~PacketTypeDef(); - static unsigned get_static_class_id() { return class_id; } - virtual unsigned get_class_id() const { return class_id; } + virtual unsigned get_class_id() const { return get_packet_class_id

(); } template void set_serializer(const S &); @@ -219,11 +213,11 @@ private: struct PacketHeader { - UInt16 type; - UInt16 length; + std::uint16_t type; + std::uint16_t length; PacketHeader(); - PacketHeader(UInt16, UInt16); + PacketHeader(std::uint16_t, std::uint16_t); }; typedef std::map PacketMap; @@ -239,6 +233,11 @@ public: ~Protocol(); private: + static unsigned get_next_packet_class_id(); + + template + static unsigned get_packet_class_id(); + void add_packet(PacketDefBase *); protected: @@ -256,12 +255,12 @@ protected: public: template - unsigned serialize(const P &, char *, unsigned) const; + std::size_t serialize(const P &, char *, std::size_t) const; - unsigned get_packet_size(const char *, unsigned) const; - unsigned dispatch(ReceiverBase &, const char *, unsigned) const; + std::size_t get_packet_size(const char *, std::size_t) const; + std::size_t dispatch(ReceiverBase &, const char *, std::size_t) const; - UInt64 get_hash() const; + std::uint64_t get_hash() const; private: template @@ -269,6 +268,13 @@ private: }; +template +unsigned Protocol::get_packet_class_id() +{ + static unsigned id = get_next_packet_class_id(); + return id; +} + template Protocol::PacketDefBuilder > Protocol::add(unsigned id) { @@ -286,14 +292,16 @@ Protocol::PacketDefBuilder > Protocol::add() template const Protocol::PacketTypeDef

&Protocol::get_packet_by_class() const { - const PacketDefBase &pdef = get_packet_by_class_id(PacketTypeDef

::get_static_class_id()); + const PacketDefBase &pdef = get_packet_by_class_id(get_packet_class_id

()); return static_cast &>(pdef); } template -unsigned Protocol::serialize(const P &pkt, char *buf, unsigned size) const +std::size_t Protocol::serialize(const P &pkt, char *buf, std::size_t size) const { const PacketTypeDef

&pdef = get_packet_by_class

(); + 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); @@ -303,7 +311,7 @@ unsigned Protocol::serialize(const P &pkt, char *buf, unsigned size) const template std::string Protocol::get_type_signature() { - const UInt16 sig = Traits::signature; + const std::uint16_t sig = Traits::signature; std::string result; result += sig&0xFF; if(sig>=0x100) @@ -312,41 +320,42 @@ std::string Protocol::get_type_signature() } -template +template struct Protocol::BasicTraits { - static const UInt16 signature = K | (sizeof(T)<<8); + static const std::uint16_t signature = K | (sizeof(T)<<8); typedef BasicSerializer Serializer; }; template struct Protocol::Traits { - static const UInt16 signature = 'C'; + static const std::uint16_t signature = 'C'; typedef CompoundSerializer Serializer; }; -template<> struct Protocol::Traits: BasicTraits { }; -template<> struct Protocol::Traits: BasicTraits { }; -template<> struct Protocol::Traits: BasicTraits { }; -template<> struct Protocol::Traits: BasicTraits { }; -template<> struct Protocol::Traits: BasicTraits { }; -template<> struct Protocol::Traits: BasicTraits { }; -template<> struct Protocol::Traits: BasicTraits { }; -template<> struct Protocol::Traits: BasicTraits { }; +template<> struct Protocol::Traits: BasicTraits { }; +template<> struct Protocol::Traits: BasicTraits { }; +template<> struct Protocol::Traits: BasicTraits { }; +template<> struct Protocol::Traits: BasicTraits { }; +template<> struct Protocol::Traits: BasicTraits { }; +template<> struct Protocol::Traits: BasicTraits { }; +template<> struct Protocol::Traits: BasicTraits { }; +template<> struct Protocol::Traits: BasicTraits { }; +template<> struct Protocol::Traits: BasicTraits { }; template<> struct Protocol::Traits: BasicTraits { }; template<> struct Protocol::Traits: BasicTraits { }; template<> struct Protocol::Traits { - static const UInt16 signature = 'S'; + static const std::uint16_t signature = 'S'; typedef StringSerializer Serializer; }; template struct Protocol::Traits > { - static const UInt16 signature = 'A'; + static const std::uint16_t signature = 'A'; typedef ArraySerializer > Serializer; }; @@ -400,7 +409,7 @@ char *Protocol::ArraySerializer::serialize(const A &array, char *buf, char *e template const char *Protocol::ArraySerializer::deserialize(A &array, const char *buf, const char *end) const { - UInt16 length; + std::uint16_t length; buf = length_serializer.deserialize(length, buf, end); array.resize(length); for(unsigned i=0; i Protocol::PacketTypeDef

::PacketTypeDef(unsigned i): PacketDefBase(i), compound(new CompoundDef >(NullSerializer

())) -{ - if(!class_id) - class_id = next_class_id++; -} +{ } template Protocol::PacketTypeDef

::~PacketTypeDef()