70a4ca5bc1
git-svn-id: http://mc-server.googlecode.com/svn/trunk@744 0a769ca7-a7f5-676a-18bf-c427514a06d6
87 lines
2.5 KiB
C++
87 lines
2.5 KiB
C++
|
|
#pragma once
|
|
|
|
#include "../cSocket.h"
|
|
#include "../PacketID.h"
|
|
#include "../ByteBuffer.h"
|
|
|
|
|
|
|
|
|
|
|
|
#define PACKET_INCOMPLETE -2
|
|
#define PACKET_ERROR -1
|
|
#define PACKET_OK 1
|
|
|
|
|
|
|
|
|
|
|
|
// Use this macro to simplify handling several ReadXXX in a row. It assumes that you want [a_Data, a_Size] parsed (which is true for all Parse() functions)
|
|
#define HANDLE_PACKET_READ(Proc, Var, TotalBytes) \
|
|
{ \
|
|
if (!a_Buffer.Proc(Var)) \
|
|
{ \
|
|
return PACKET_INCOMPLETE; \
|
|
} \
|
|
TotalBytes = PACKET_OK; \
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
class cPacket
|
|
{
|
|
public:
|
|
cPacket()
|
|
: m_PacketID( 0 )
|
|
{}
|
|
virtual ~cPacket() {}
|
|
|
|
/// Called to parse the packet. Packet type has already been read and the correct packet type created. Return PACKET_INCOMPLETE for incomplete data, PACKET_ERROR for error, any positive number for success
|
|
virtual int Parse(cByteBuffer & a_Buffer)
|
|
{
|
|
// There are packets that are sent S->C only, those don't have a parsing function
|
|
UNUSED(a_Buffer);
|
|
LOGERROR("Packet type 0x%02x has no parser defined!", m_PacketID);
|
|
ASSERT(!"Unparsed packet type!");
|
|
return PACKET_ERROR;
|
|
}
|
|
|
|
/// Called to serialize the packet into a string. Append all packet data to a_Data, including the packet type!
|
|
virtual void Serialize(AString & a_Data) const
|
|
{
|
|
// There are packets that are sent C->S only, those don't have a serializing function
|
|
UNUSED(a_Data);
|
|
LOGERROR("Packet type 0x%02x has no serializer defined!", m_PacketID);
|
|
ASSERT(!"Unserialized packet");
|
|
}
|
|
|
|
virtual cPacket * Clone() const = 0;
|
|
|
|
unsigned char m_PacketID;
|
|
|
|
protected:
|
|
// These append the data into the a_Dst string:
|
|
static void AppendString ( AString & a_Dst, const AString & a_String);
|
|
static void AppendString16( AString & a_Dst, const AString & a_String);
|
|
static void AppendShort ( AString & a_Dst, short a_Short);
|
|
static void AppendShort ( AString & a_Dst, unsigned short a_Short);
|
|
static void AppendInteger ( AString & a_Dst, int a_Integer);
|
|
static void AppendInteger ( AString & a_Dst, unsigned int a_Integer);
|
|
static void AppendFloat ( AString & a_Dst, float a_Float);
|
|
static void AppendDouble ( AString & a_Dst, const double & a_Double);
|
|
static void AppendByte ( AString & a_Dst, char a_Byte);
|
|
static void AppendLong ( AString & a_Dst, const long long & a_Long);
|
|
static void AppendBool ( AString & a_Dst, bool a_Bool);
|
|
static void AppendData ( AString & a_Dst, const char * a_Data, unsigned int a_Size);
|
|
};
|
|
|
|
typedef std::list <cPacket*> PacketList;
|
|
typedef std::deque<cPacket *> PacketQueue;
|
|
|
|
|
|
|
|
|