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/*==LICENSE==*
CyanWorlds.com Engine - MMOG client, server and tools
Copyright (C) 2011 Cyan Worlds, Inc.
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
You can contact Cyan Worlds, Inc. by email legal@cyan.com
or by snail mail at:
Cyan Worlds, Inc.
14617 N Newport Hwy
Mead, WA 99021
*==LICENSE==*/
#ifndef plNetMessage_h_inc
#define plNetMessage_h_inc
#include "hsUtils.h"
#include "hsTypes.h"
#include "hsStlUtils.h"
#include "hsStream.h"
#include "hsBitVector.h"
#include "hsTemplates.h"
#include "plGeneric.h"
#include "pnNetCommon/plNetServers.h"
#include "pnNetCommon/plNetGroup.h"
#include "pnFactory/plCreatable.h"
#include "pnFactory/plFactory.h"
#include "plUnifiedTime/plClientUnifiedTime.h"
#include "plNetCommon/plNetServerSessionInfo.h"
#include "plNetCommon/plNetCommon.h"
#include "plNetCommon/plNetCommonHelpers.h"
#include "plNetCommon/plNetCommonConstants.h"
#include "plStreamLogger/plStreamLogger.h"
#include "plNetMsgHelpers.h"
#include "pnNetBase/pnNetBase.h"
#include <sstream>
class plMessage;
class plUUID;
////////////////////////////////////////////////////////////////////
//
// Base class for application network messages.
// These become the data in a plNetCommonMessage when sent over the network.
//
class plNetCommonMessage;
class plKey;
class plNetMessage : public plCreatable
{
friend class plNetServerMsgPlsRoutableMsg;
UInt32 fFlags; // indicates what is present in the message, always transmitted
plUnifiedTime fTimeSent; // time msg was sent (in sender's unified timeSpace), always transmitted to and from the client
double fTimeRecvd; // time msg was recvd (in rcvrs timeSpace), never transmitted
UInt32 fBytesRead; // amount of data we've already read, never transmitted
UInt32 fContext; // set by sender, included in reply. Only written if kHasContext flag set
UInt32 fTransactionID; // set by originator, included in reply. Only written if kHasTransactionID flag set
UInt32 fPlayerID; // set by originator. Only written if kHasPlayerID flag set
plUUID fAcctUUID; // set by sender (app level). Only written if kHasAcctUUID flag set
const plNetCommonMessage* fNetCoreMsg; // not sent, set by the receiver
UInt32 fPeekStatus; // not sent. set on PeekBuffer, cleared on PokeBuffer
UInt8 fProtocolVerMajor; // conditionally sent
UInt8 fProtocolVerMinor; // conditionally sent
ENetProtocol fNetProtocol; // the server this msg should be sent to. this value is not sent over wire.
enum ContentFlags
{
kNetMsgFlags,
kNetMsgTimeSent,
kNetMsgContext,
kNetMsgTransactionID,
kNetMsgPlayerID,
kNetMsgVersion,
};
protected:
virtual int IPokeBuffer(hsStream* stream, UInt32 peekOptions=0);
virtual int IPeekBuffer(hsStream* stream, UInt32 peekOptions=0);
void IWriteClassIndex(hsStream* stream);
void IReadClassIndex(hsStream* stream);
bool IPeeked() const { return fPeekStatus==kFullyPeeked;}
void ISetPeekStatus(UInt32 s) { fPeekStatus=s; }
public:
typedef UInt16 plStrLen;
static const UInt8 kVerMajor, kVerMinor; // version of the networking code
typedef UInt16 ClassIndexType; // the type returned by plCreatable::ClassIndex()
enum
{
kMaxNameLen=32
};
enum BitVectorFlags // indicates what is present in the message, always transmitted
{
kHasTimeSent = 0x1, // means fTimeSent need sending
kHasGameMsgRcvrs = 0x2, // means that this is a direct (not bcast) game msg
kEchoBackToSender = 0x4, // if broadcasting, echo packet back to sender
kRequestP2P = 0x8, // sent to gameServer on joinReq
kAllowTimeOut = 0x10, // sent to gameServer on joinReq (if release code)
kIndirectMember = 0x20, // sent to client on joinAck if he is behind a firewall
// This flag is used when the servers are firewalled and NAT'ed
// It tells a game or lobby server to ask the lookup for an external address
kPublicIPClient = 0x40, // set on a client coming from a public IP
kHasContext = 0x80, // whether or not to write fContext field
// Used with StartProcess server msgs. Whether or not the ServerAgent
// must first ask the vault for a game state associated with the
// game about to be instanced.
kAskVaultForGameState =0x100,
kHasTransactionID = 0x200, // whether or not to write fTransactionID field
kNewSDLState = 0x400, // set by client on first state packet sent, may not be necessary anymore
kInitialAgeStateRequest = 0x800,// initial request for the age state
kHasPlayerID = 0x1000, // is fPlayerID set
kUseRelevanceRegions= 0x2000, // if players use relevance regions are used, this will be filtered by region, currently set on avatar physics and control msgs
kHasAcctUUID = 0x4000, // is fAcctUUID set
kInterAgeRouting = 0x8000, // give to pls for routing.
kHasVersion = 0x10000, // if version is set
kIsSystemMessage = 0x20000,
kNeedsReliableSend = 0x40000,
kRouteToAllPlayers = 0x80000, // send this message to all online players.
};
enum PeekOptions // options for partial peeking
{
kSkipStream = 1<<0, // means we should not read the actual stream, just the stream info
kBaseClassOnly = 1<<1, // only peek or poke the baseclass info
kPartialPeekMask = kSkipStream | kBaseClassOnly,
// plNetServerMsgWithRoutingInfo derived classes need to check this
// in their PeekBuffer methods.
kJustRoutingInfo = 1<<2,
kDontClearBuffer = 1<<3,
// don't call base class peek/poke. plNetMsgOmnibus/plNetMsgVault uses this.
kDEAD_NoBaseClass = 1<<4,
// don't worry about compressing/uncompressing things. used by plNetMsgStreamHelper, and plNetMsgOmnibus.
kDontCompress = 1<<5,
kWantVersion = 1<<6,
kFullyPeeked = 0xffffffff // default fPeekStatus, set if not partial peeking
};
enum CompressionType // currently only used for plNetMsgStreams
{
kCompressionNone, // not compressed
kCompressionFailed, // failed to compress
kCompressionZlib, // zlib compressed
kCompressionDont // don't compress
};
CLASSNAME_REGISTER( plNetMessage );
GETINTERFACE_ANY( plNetMessage, plCreatable );
// plCreatable
void Read(hsStream* s, hsResMgr* mgr);
void Write(hsStream* s, hsResMgr* mgr);
void ReadVersion(hsStream* s, hsResMgr* mgr);
void WriteVersion(hsStream* s, hsResMgr* mgr);
// ctor
plNetMessage();
virtual ~plNetMessage();
static plNetMessage* CreateAndRead(const plNetCommonMessage*, plStreamLogger::EventList* el = nil);
static plNetMessage* Create(const plNetCommonMessage*);
int PokeBuffer(char* buf, int bufLen, UInt32 peekOptions=0); // put msg in buffer
int PeekBuffer(const char* buf, int bufLen, UInt32 peekOptions=0, bool forcePeek=false, plStreamLogger::EventList* el = nil); // get msg out of buffer
bool NeedsReliableSend() const { return IsBitSet(kNeedsReliableSend); }
bool IsSystemMessage() const { return IsBitSet(kIsSystemMessage); }
virtual void ValidatePoke() const;
virtual void ValidatePeek() const;
virtual bool NeedsBroadcast() const { return false; } // should game server broadcast this message to other clients?
virtual int ValidationSchemeID() const { return 1; }
// getters
int GetPackSize();
const plUnifiedTime& GetTimeSent() const { return fTimeSent; }
bool GetHasTimeSent() const { return IsBitSet(kHasTimeSent); }
double GetTimeReceived() const { return fTimeRecvd; }
bool IsBitSet(int b) const { return (fFlags & b) != 0; }
const plNetCommonMessage* GetNetCoreMsg() const { return fNetCoreMsg; }
UInt32 GetNetCoreMsgLen() const;
bool GetHasContext() const { return IsBitSet(kHasContext);}
UInt32 GetContext() const { return fContext;}
bool GetHasTransactionID() const { return IsBitSet(kHasTransactionID);}
UInt32 GetTransactionID() const { return fTransactionID;}
bool GetHasPlayerID() const { return IsBitSet(kHasPlayerID);}
UInt32 GetPlayerID() const { hsAssert(GetHasPlayerID(), "uninit playerID"); return fPlayerID; }
UInt32 JustGetPlayerID() const { return fPlayerID; }
bool GetHasAcctUUID() const { return IsBitSet(kHasAcctUUID); }
const plUUID * GetAcctUUID() const { return &fAcctUUID; }
UInt8 GetVersionMajor() const { return fProtocolVerMajor; }
UInt8 GetVersionMinor() const { return fProtocolVerMinor; }
ENetProtocol GetNetProtocol () const { return fNetProtocol; }
// setters
void SetTimeSent(const plUnifiedTime& t) { fTimeSent=t;SetHasTimeSent(true); }
void SetHasTimeSent(bool value) { SetBit( kHasTimeSent, value ); }
void SetTimeReceived(double t) { fTimeRecvd=t; }
void SetBit(int b, bool on=true) { if (on) fFlags |= b; else fFlags &= ~b; }
void SetNetCoreMsg(const plNetCommonMessage* ncmsg) { fNetCoreMsg=ncmsg; }
void SetHasContext(bool value) { SetBit(kHasContext,value);}
void SetContext(UInt32 value) { fContext=value; SetHasContext(true);}
void SetHasTransactionID(bool value) { SetBit(kHasTransactionID,value);}
void SetTransactionID(UInt32 value) { fTransactionID=value; SetHasTransactionID(true);}
void SetHasPlayerID(bool value) { SetBit(kHasPlayerID,value);}
void SetPlayerID(UInt32 value) { fPlayerID=value; SetHasPlayerID(true);}
void SetHasAcctUUID( bool v ) { SetBit( kHasAcctUUID,v ); }
void SetAcctUUID(const plUUID * v ) { fAcctUUID.CopyFrom(v); SetHasAcctUUID(true); }
void SetVersion(UInt8 maj=kVerMajor, UInt8 min=kVerMinor) { SetBit(kHasVersion); fProtocolVerMajor=maj; fProtocolVerMinor=min; }
void SetNetProtocol (ENetProtocol v ) { fNetProtocol = v; }
// init fContext, fTransactionID, etc. if needed.
void InitReplyFieldsFrom(plNetMessage * msg);
// debug
virtual std::string AsStdString() const
{
char * delim = "";
std::stringstream ss;
if ( GetHasPlayerID() )
{
ss << delim << "p:" << GetPlayerID();
delim = ",";
}
if ( GetHasTransactionID() )
{
ss << delim << "x:" << GetTransactionID();
delim = ",";
}
if ( GetHasAcctUUID() )
{
ss << delim << "a:" << GetAcctUUID()->AsStdString();
delim = ",";
}
if ( IsBitSet(kHasVersion) )
{
ss << delim << "v:" << (int)fProtocolVerMajor << "." << (int)fProtocolVerMinor;
delim = ",";
}
return ss.str().c_str();
}
};
//
// for msgs which only go from the gameserver to the client
//
class plNetMsgServerToClient : public plNetMessage
{
public:
plNetMsgServerToClient() { SetBit(kIsSystemMessage|kNeedsReliableSend); }
CLASSNAME_REGISTER( plNetMsgServerToClient );
GETINTERFACE_ANY( plNetMsgServerToClient, plNetMessage );
};
////////////////////////////////////////////////////////////////////
// Stream msg - abstract base class built with plNetMsgStreamHelper
//
class plNetMsgStream : public plNetMessage
{
protected:
plNetMsgStreamHelper fStreamHelper;
int IPokeBuffer(hsStream* stream, UInt32 peekOptions=0);
int IPeekBuffer(hsStream* stream, UInt32 peekOptions=0);
public:
CLASSNAME_REGISTER( plNetMsgStream );
GETINTERFACE_ANY_AUX(plNetMsgStream,plNetMessage,plNetMsgStreamHelper,fStreamHelper)
plNetMsgStreamHelper* StreamInfo() { return &fStreamHelper; }
const plNetMsgStreamHelper* StreamInfo() const { return &fStreamHelper; }
};
//
// Object info msg - abstract base class built with plNetMsgObjectHelper
//
class plNetMsgObject : public plNetMessage
{
private:
enum ContentFlags
{
kNetMsgObjectHelper,
};
protected:
plNetMsgObjectHelper fObjectHelper;
int IPokeBuffer(hsStream* stream, UInt32 peekOptions=0);
int IPeekBuffer(hsStream* stream, UInt32 peekOptions=0);
public:
CLASSNAME_REGISTER( plNetMsgObject );
GETINTERFACE_ANY_AUX(plNetMsgObject,plNetMessage,plNetMsgObjectHelper,fObjectHelper)
plNetMsgObjectHelper* ObjectInfo() { return &fObjectHelper; }
const plNetMsgObjectHelper* ObjectInfo() const { return &fObjectHelper; }
void ReadVersion(hsStream* s, hsResMgr* mgr);
void WriteVersion(hsStream* s, hsResMgr* mgr);
// debug
std::string AsStdString() const
{
std::string s;
char tmp[256];
xtl::format(s,"object=%s, %s",fObjectHelper.GetUoid().StringIze(tmp), plNetMessage::AsStdString().c_str());
return s;
}
};
//
// abstract baseclass which has both object and stream info
//
class plNetMsgStreamedObject : public plNetMsgObject
{
private:
enum ContentFlags
{
kStreamHelper
};
protected:
plNetMsgStreamHelper fStreamHelper;
int IPokeBuffer(hsStream* stream, UInt32 peekOptions=0);
int IPeekBuffer(hsStream* stream, UInt32 peekOptions=0);
public:
plNetMsgStreamedObject() {}
~plNetMsgStreamedObject() {}
CLASSNAME_REGISTER( plNetMsgStreamedObject );
GETINTERFACE_ANY_AUX(plNetMsgStreamedObject,plNetMsgObject,plNetMsgStreamHelper,fStreamHelper)
plNetMsgStreamHelper* StreamInfo() { return &fStreamHelper; }
const plNetMsgStreamHelper* StreamInfo() const { return &fStreamHelper; }
//virtuals
void ReadVersion(hsStream* s, hsResMgr* mgr);
void WriteVersion(hsStream* s, hsResMgr* mgr);
};
//
// New SaveState system
//
class plNetMsgSDLState : public plNetMsgStreamedObject
{
private:
enum ContentFlags
{
kSDLStateStream,
kSDLIsInitialState,
kSDLPersist,
kSDLAvatarState,
};
void ISetDescName() const;
bool fIsInitialState;
protected:
int IPokeBuffer(hsStream* stream, UInt32 peekOptions=0);
int IPeekBuffer(hsStream* stream, UInt32 peekOptions=0);
bool fPersistOnServer;
bool fIsAvatarState;
mutable std::string fDescName; // for debugging output only, not read/written
public:
CLASSNAME_REGISTER( plNetMsgSDLState );
GETINTERFACE_ANY(plNetMsgSDLState, plNetMsgStreamedObject);
plNetMsgSDLState() : fIsInitialState(0), fPersistOnServer(true), fIsAvatarState(false) { SetBit(kNeedsReliableSend); }
bool PersistOnServer() const { return fPersistOnServer != 0; }
void SetPersistOnServer(bool b) { fPersistOnServer = b; }
bool IsAvatarState() const { return fIsAvatarState != 0; }
void SetIsAvatarState(bool b) { fIsAvatarState = b; }
// debug
std::string AsStdString() const;
bool IsInitialState() const {return fIsInitialState!=0; }
void SetIsInitialState( bool v ) { fIsInitialState=v; }
void ReadVersion(hsStream* s, hsResMgr* mgr);
void WriteVersion(hsStream* s, hsResMgr* mgr);
};
//
// New SaveState system
//
class plNetMsgSDLStateBCast : public plNetMsgSDLState
{
protected:
int IPokeBuffer(hsStream* stream, UInt32 peekOptions=0);
int IPeekBuffer(hsStream* stream, UInt32 peekOptions=0);
public:
CLASSNAME_REGISTER( plNetMsgSDLStateBCast );
GETINTERFACE_ANY(plNetMsgSDLStateBCast, plNetMsgSDLState);
// virtuals
bool NeedsBroadcast() const { return true; }
void ReadVersion(hsStream* s, hsResMgr* mgr);
void WriteVersion(hsStream* s, hsResMgr* mgr);
};
//
// Object state request msg
//
class plNetMsgObjStateRequest : public plNetMsgObject
{
public:
plNetMsgObjStateRequest() { SetBit(kIsSystemMessage|kNeedsReliableSend); }
CLASSNAME_REGISTER( plNetMsgObjStateRequest );
GETINTERFACE_ANY( plNetMsgObjStateRequest, plNetMsgObject );
};
//
// abstract message class which contains a list of rooms
//
class plNetMsgRoomsList : public plNetMessage
{
protected:
std::vector<plLocation> fRooms;
std::vector<char*> fRoomNames; // for debug usage only
int IPokeBuffer(hsStream* stream, UInt32 peekOptions=0);
int IPeekBuffer(hsStream* stream, UInt32 peekOptions=0);
public:
plNetMsgRoomsList() {}
~plNetMsgRoomsList();
CLASSNAME_REGISTER( plNetMsgRoomsList );
GETINTERFACE_ANY( plNetMsgRoomsList, plNetMessage );
void AddRoom(plKey rmKey);
void AddRoomLocation(plLocation loc, const char* rmName);
int FindRoomLocation(plLocation loc);
int GetNumRooms() const { return fRooms.size(); }
plLocation GetRoomLoc(int i) const { return fRooms[i]; }
const char* GetRoomName(int i) const { return fRoomNames[i]; } // debug
};
//
// Game msg - wraps a plMessage.
//
class hsResMgr;
class plNetMsgGameMessage: public plNetMsgStream
{
protected:
plClientUnifiedTime fDeliveryTime; // for future timestamping
int IPokeBuffer(hsStream* stream, UInt32 peekOptions=0);
int IPeekBuffer(hsStream* stream, UInt32 peekOptions=0);
public:
plNetMsgGameMessage() { SetBit(kNeedsReliableSend); }
CLASSNAME_REGISTER( plNetMsgGameMessage );
GETINTERFACE_ANY( plNetMsgGameMessage, plNetMsgStream );
enum ContentsFlags
{
kNetGameMsgDeliveryTime,
kNetGameMsgGameMsg,
};
plClientUnifiedTime& GetDeliveryTime() { return fDeliveryTime; }
void SetDeliveryTime(plClientUnifiedTime& ut) { fDeliveryTime=ut; }
plMessage* GetContainedMsg(hsResMgr* resmgr = nil);
// virtuals
bool NeedsBroadcast() const { return true; }
void ReadVersion(hsStream* s, hsResMgr* mgr);
void WriteVersion(hsStream* s, hsResMgr* mgr);
// debug
std::string AsStdString() const
{
std::string s;
const char* noc=plFactory::GetTheFactory()->GetNameOfClass(StreamInfo()->GetStreamType());
xtl::format(s,"%s %s",plNetMsgStream::AsStdString().c_str(), noc ? noc : "?");
return s;
}
};
//
// special game msg for loading clones/avatars
//
class plNetMsgLoadClone : public plNetMsgGameMessage
{
private:
enum ContentFlags
{
kObjectHelper,
kIsPlayer,
kIsLoading,
kIsInitialState,
};
protected:
bool fIsPlayer;
bool fIsLoading;
bool fIsInitialState;
plNetMsgObjectHelper fObjectHelper;
int IPokeBuffer(hsStream* stream, UInt32 peekOptions=0);
int IPeekBuffer(hsStream* stream, UInt32 peekOptions=0);
public:
CLASSNAME_REGISTER( plNetMsgLoadClone );
GETINTERFACE_ANY_AUX(plNetMsgLoadClone, plNetMsgGameMessage,plNetMsgObjectHelper,fObjectHelper)
plNetMsgLoadClone() : fIsPlayer(true),fIsLoading(true),fIsInitialState(false) {}
void ReadVersion(hsStream* s, hsResMgr* mgr);
void WriteVersion(hsStream* s, hsResMgr* mgr);
plNetMsgObjectHelper* ObjectInfo() { return &fObjectHelper; }
const plNetMsgObjectHelper* ObjectInfo() const { return &fObjectHelper; }
bool GetIsPlayer() const { return fIsPlayer!=0; }
bool GetIsLoading() const { return fIsLoading!=0; }
bool GetIsInitialState() const { return fIsInitialState!=0; }
void SetIsPlayer(bool p) { fIsPlayer=p; }
void SetIsLoading(bool p) { fIsLoading=p; }
void SetIsInitialState(bool p) {fIsInitialState=p; }
// debug
std::string AsStdString() const
{
std::string s;
char tmp[256];
xtl::format(s,"object=%s initial=%d, %s",fObjectHelper.GetUoid().StringIze(tmp), fIsInitialState,
plNetMsgGameMessage::AsStdString().c_str());
return s;
}
};
//
// special msg when a player is paged in/out
//
class plNetMsgPlayerPage : public plNetMessage
{
protected:
int IPokeBuffer(hsStream* stream, UInt32 peekOptions=0);
int IPeekBuffer(hsStream* stream, UInt32 peekOptions=0);
public:
plUoid fUoid;
bool fUnload;
plNetMsgPlayerPage() : fUnload(false) { SetBit(kNeedsReliableSend); }
plNetMsgPlayerPage(plUoid uoid, hsBool unload) : fUoid(uoid), fUnload(unload) { }
CLASSNAME_REGISTER( plNetMsgPlayerPage );
GETINTERFACE_ANY( plNetMsgPlayerPage, plNetMessage);
};
//
// a game message that takes a list of other clients as receivers
//
class plNetMsgGameMessageDirected : public plNetMsgGameMessage
{
private:
enum ContentFlags
{
kRecievers,
};
protected:
plNetMsgReceiversListHelper fReceivers;
int IPokeBuffer(hsStream* stream, UInt32 peekOptions=0);
int IPeekBuffer(hsStream* stream, UInt32 peekOptions=0);
public:
CLASSNAME_REGISTER( plNetMsgGameMessageDirected );
GETINTERFACE_ANY_AUX(plNetMsgGameMessageDirected,plNetMsgGameMessage,
plNetMsgReceiversListHelper,fReceivers)
plNetMsgReceiversListHelper* Receivers() { return &fReceivers; }
// virtuals
void ReadVersion(hsStream* s, hsResMgr* mgr);
void WriteVersion(hsStream* s, hsResMgr* mgr);
};
//
// Message when a room is paged in/out
//
class plNetMsgPagingRoom : public plNetMsgRoomsList
{
public:
enum PageFlags
{
kPagingOut=0x1, // else paging in
kResetList=0x2, // server should reset his existing list before using this msg
kRequestState=0x4, // also want current room state sent to me
kFinalRoomInAge=0x8 // done paging in the age
};
protected:
UInt8 fPageFlags;
int IPokeBuffer(hsStream* stream, UInt32 peekOptions=0);
int IPeekBuffer(hsStream* stream, UInt32 peekOptions=0);
public:
plNetMsgPagingRoom() : fPageFlags(0) { SetBit(kIsSystemMessage|kNeedsReliableSend); }
~plNetMsgPagingRoom() {}
CLASSNAME_REGISTER( plNetMsgPagingRoom );
GETINTERFACE_ANY( plNetMsgPagingRoom, plNetMsgRoomsList );
void SetPageFlags(UInt8 f) { fPageFlags=f; }
UInt8 GetPageFlags() const { return fPageFlags; }
void SetPagingOut(hsBool b) { if (b) fPageFlags |= kPagingOut; else fPageFlags&=~kPagingOut; }
hsBool GetPagingOut() const { return (fPageFlags & kPagingOut) != 0; }
void SetResetList(hsBool b) { if (b) fPageFlags |= kResetList; else fPageFlags &=~kResetList; }
hsBool GetResetList() const { return (fPageFlags & kResetList) != 0; }
void SetRequestingState(hsBool b) { if (b) fPageFlags |= kRequestState; else fPageFlags &=~kRequestState; }
hsBool GetRequestingState() const { return (fPageFlags & kRequestState) != 0; }
// debug
std::string AsStdString() const
{
std::string s;
xtl::format(s,"pageFlags:%02X, paging %s, requestingState:%s, resetting=%d",fPageFlags,
(fPageFlags&kPagingOut)?"out":"in", (fPageFlags&kRequestState)?"yes":"no",
(fPageFlags & kResetList)!=0);
return s;
}
};
//
// Client requests game state update by rooms.
// an empty rooms list means ALL rooms I have loaded.
//
class plNetMsgGameStateRequest : public plNetMsgRoomsList
{
public:
plNetMsgGameStateRequest() { SetBit(kIsSystemMessage|kNeedsReliableSend); }
CLASSNAME_REGISTER( plNetMsgGameStateRequest );
GETINTERFACE_ANY( plNetMsgGameStateRequest, plNetMsgRoomsList );
};
//
// sent by game server to change clients ownership of a netGroup
//
class plNetMsgGroupOwner: public plNetMsgServerToClient
{
public:
class GroupInfo
{
public:
plNetGroupId fGroupID;
bool fOwnIt; // else not the owner
void Read(hsStream* s) { fGroupID.Read(s); s->LogReadSwap(&fOwnIt,"GroupOwner OwnIt"); }
void Write(hsStream* s) { fGroupID.Write(s); s->WriteSwap(fOwnIt); }
GroupInfo() : fGroupID(plNetGroup::kNetGroupUnknown), fOwnIt(false) {}
GroupInfo(plNetGroupId gID, hsBool o) : fGroupID(gID),fOwnIt(o) {}
};
protected:
std::vector<GroupInfo> fGroups;
int IPokeBuffer(hsStream* stream, UInt32 peekOptions=0);
int IPeekBuffer(hsStream* stream, UInt32 peekOptions=0);
public:
CLASSNAME_REGISTER( plNetMsgGroupOwner );
GETINTERFACE_ANY( plNetMsgGroupOwner, plNetMsgServerToClient );
// getters
int GetNumGroups() const { return fGroups.size(); }
GroupInfo GetGroupInfo(int i) const { return fGroups[i]; }
// setters
void AddGroupInfo(GroupInfo gi) { fGroups.push_back(gi); }
void ClearGroupInfo() { fGroups.clear(); }
bool IsOwner() { return fGroups[0].fOwnIt; }
};
//
// voice recording buffer
//
class plNetMsgVoice: public plNetMessage
{
private:
enum ContentFlags
{
kDead_FrameSize,
kReceivers,
kVoiceFlags,
kVoiceData
};
protected:
UInt8 fFlags; // voice flags
UInt8 fNumFrames; // number of frames encoded
std::string fVoiceData;
plNetMsgReceiversListHelper fReceivers;
int IPokeBuffer(hsStream* stream, UInt32 peekOptions=0);
int IPeekBuffer(hsStream* stream, UInt32 peekOptions=0);
public:
plNetMsgVoice(): fFlags(0), fNumFrames(0) { }
~plNetMsgVoice() {}
CLASSNAME_REGISTER( plNetMsgVoice );
GETINTERFACE_ANY_AUX(plNetMsgVoice,plNetMessage,plNetMsgReceiversListHelper,fReceivers)
void SetFlag(int f) { fFlags |= f; }
int GetFlags() { return fFlags; }
void SetNumFrames(UInt8 f) { fNumFrames = f; }
UInt8 GetNumFrames() const { return fNumFrames; }
void SetVoiceData(char *data, int len );
int GetVoiceDataLen() const { return fVoiceData.length(); }
const char *GetVoiceData() const;
plNetMsgReceiversListHelper* Receivers() { return &fReceivers; }
// virtuals
bool NeedsBroadcast() const { return true; }
void ReadVersion(hsStream* s, hsResMgr* mgr);
void WriteVersion(hsStream* s, hsResMgr* mgr);
// debug
std::string AsStdString() const
{
std::string s;
xtl::format(s,"len=%d",fVoiceData.size());
return s;
}
};
//
// base class for dealing with plNetSharedState
//
class plNetSharedState;
class plNetMsgSharedState : public plNetMsgStreamedObject
{
private:
enum ContentFlags
{
kLockRequest,
};
protected:
bool fLockRequest;
int IPokeBuffer(hsStream* stream, UInt32 peekOptions=0);
int IPeekBuffer(hsStream* stream, UInt32 peekOptions=0);
public:
plNetMsgSharedState() : fLockRequest(false) {}
~plNetMsgSharedState() {}
CLASSNAME_REGISTER( plNetMsgSharedState );
GETINTERFACE_ANY(plNetMsgSharedState, plNetMsgStreamedObject);
void CopySharedState(plNetSharedState* ss);
void SetLockRequest(hsBool b) { fLockRequest=b; }
hsBool GetLockRequest() const { return fLockRequest; }
void ReadVersion(hsStream* s, hsResMgr* mgr);
void WriteVersion(hsStream* s, hsResMgr* mgr);
// debug
std::string AsStdString() const
{
std::string s;
xtl::format(s,"lockReq=%d, %s",fLockRequest, plNetMsgStreamedObject::AsStdString().c_str());
return s;
}
};
//
// attempt to lock/unlock and set generic shared state on server.
// lock attempts will generate server reply messages confirming or denying the action.
//
class plNetMsgTestAndSet : public plNetMsgSharedState
{
public:
plNetMsgTestAndSet() { SetBit(kNeedsReliableSend); }
CLASSNAME_REGISTER( plNetMsgTestAndSet );
GETINTERFACE_ANY(plNetMsgTestAndSet, plNetMsgSharedState);
};
//
// provides a way to query sharedState on the server
//
class plNetMsgGetSharedState : public plNetMsgObject
{
protected:
char fSharedStateName[kMaxNameLen];
int IPokeBuffer(hsStream* stream, UInt32 peekOptions=0);
int IPeekBuffer(hsStream* stream, UInt32 peekOptions=0);
public:
plNetMsgGetSharedState() { *fSharedStateName=0; SetBit(kNeedsReliableSend); }
~plNetMsgGetSharedState() {}
CLASSNAME_REGISTER( plNetMsgGetSharedState );
GETINTERFACE_ANY( plNetMsgGetSharedState, plNetMsgObject );
void SetSharedStateName(char* n) { if (n) hsStrncpy(fSharedStateName, n, kMaxNameLen); }
char* GetSharedStateName() { return fSharedStateName; }
};
//
// msg which sets the update frequency for a group of objects on the server
//
class plNetMsgObjectUpdateFilter : public plNetMessage
{
protected:
plNetMsgObjectListHelper fObjectListHelper;
float fMaxUpdateFreq; // in secs
int IPokeBuffer(hsStream* stream, UInt32 peekOptions=0);
int IPeekBuffer(hsStream* stream, UInt32 peekOptions=0);
public:
plNetMsgObjectUpdateFilter() : fMaxUpdateFreq(-1) {}
~plNetMsgObjectUpdateFilter() {}
CLASSNAME_REGISTER( plNetMsgObjectUpdateFilter );
GETINTERFACE_ANY_AUX(plNetMsgObjectUpdateFilter,plNetMessage,plNetMsgObjectListHelper,fObjectListHelper)
plNetMsgObjectListHelper* ObjectListInfo() { return &fObjectListHelper; }
void SetMaxUpdateFreq(float f) { fMaxUpdateFreq=f; }
float GetMaxUpdateFreq() const { return fMaxUpdateFreq; }
};
//
// Client wants a list of all members in the session
//
class plNetMsgMembersListReq : public plNetMessage
{
public:
plNetMsgMembersListReq() { SetBit(kIsSystemMessage|kNeedsReliableSend); }
CLASSNAME_REGISTER( plNetMsgMembersListReq );
GETINTERFACE_ANY( plNetMsgMembersListReq, plNetMessage );
};
//
// Server returns a list of all members in the session
//
class plNetMsgMembersList : public plNetMsgServerToClient
{
protected:
plNetMsgMemberListHelper fMemberListHelper;
protected:
int IPokeBuffer(hsStream* stream, UInt32 peekOptions=0);
int IPeekBuffer(hsStream* stream, UInt32 peekOptions=0);
public:
CLASSNAME_REGISTER( plNetMsgMembersList );
GETINTERFACE_ANY_AUX(plNetMsgMembersList,plNetMsgServerToClient,plNetMsgMemberListHelper,fMemberListHelper)
plNetMsgMemberListHelper* MemberListInfo() { return &fMemberListHelper; }
};
//
// server tells client to add or remove a session member
//
class plNetMsgMemberUpdate : public plNetMsgServerToClient
{
protected:
plNetMsgMemberInfoHelper fMemberInfo;
bool fAddMember; // else remove member
protected:
int IPokeBuffer(hsStream* stream, UInt32 peekOptions=0);
int IPeekBuffer(hsStream* stream, UInt32 peekOptions=0);
public:
CLASSNAME_REGISTER( plNetMsgMemberUpdate );
GETINTERFACE_ANY_AUX(plNetMsgMemberUpdate,plNetMsgServerToClient,plNetMsgMemberInfoHelper,fMemberInfo)
bool AddingMember() { return fAddMember; }
void SetAddingMember(bool b) { fAddMember=b; }
plNetMsgMemberInfoHelper* MemberInfo() { return &fMemberInfo; }
bool NeedsBroadcast() const { return true; } // send to all clients
};
//
// ListenList updater msgs. For voice-broadcasting purposes.
// Contains a list of other players which I am [not] listening to.
// Sent client-client or client-server.
//
class plNetMsgListenListUpdate : public plNetMessage
{
private:
plNetMsgReceiversListHelper fReceivers; // used by server, the players we're listening to
bool fAdding; // else removing
int IPokeBuffer(hsStream* stream, UInt32 peekOptions=0);
int IPeekBuffer(hsStream* stream, UInt32 peekOptions=0);
public:
plNetMsgListenListUpdate() : fAdding(false) {}
~plNetMsgListenListUpdate() {}
CLASSNAME_REGISTER( plNetMsgListenListUpdate );
GETINTERFACE_ANY_AUX(plNetMsgListenListUpdate,plNetMessage,plNetMsgReceiversListHelper,fReceivers)
plNetMsgReceiversListHelper* Receivers() { return &fReceivers; }
bool GetAdding() const { return fAdding; }
void SetAdding(bool a) { fAdding=a; }
// virtuals
bool NeedsBroadcast() const { return true; } // use rcvrs list
};
///////////////////////////////////////////////////////////////////
class plNetMsgInitialAgeStateSent : public plNetMsgServerToClient
{
UInt32 fNumInitialSDLStates;
int IPokeBuffer(hsStream* stream, UInt32 peekOptions=0);
int IPeekBuffer(hsStream* stream, UInt32 peekOptions=0);
public:
plNetMsgInitialAgeStateSent():fNumInitialSDLStates(0){}
CLASSNAME_REGISTER( plNetMsgInitialAgeStateSent );
GETINTERFACE_ANY( plNetMsgInitialAgeStateSent, plNetMsgServerToClient);
void SetNumInitialSDLStates( UInt32 n ) { fNumInitialSDLStates=n; }
UInt32 GetNumInitialSDLStates() const { return fNumInitialSDLStates; }
};
//
// msg which sets the update frequency for a group of objects on the server
//
class plNetMsgRelevanceRegions : public plNetMessage
{
protected:
hsBitVector fRegionsImIn;
hsBitVector fRegionsICareAbout;
int IPokeBuffer(hsStream* stream, UInt32 peekOptions=0);
int IPeekBuffer(hsStream* stream, UInt32 peekOptions=0);
public:
plNetMsgRelevanceRegions() { SetBit(kNeedsReliableSend); }
~plNetMsgRelevanceRegions() {}
CLASSNAME_REGISTER( plNetMsgRelevanceRegions );
GETINTERFACE_ANY(plNetMsgRelevanceRegions, plNetMessage)
void SetRegionsICareAbout(const hsBitVector& r) { fRegionsICareAbout=r; }
void SetRegionsImIn(const hsBitVector& r) { fRegionsImIn=r; }
const hsBitVector& GetRegionsICareAbout() const { return fRegionsICareAbout; }
const hsBitVector& GetRegionsImIn() const { return fRegionsImIn; }
std::string AsStdString() const
{
std::string s;
std::string b1, b2;
int i;
for(i=0;i<fRegionsImIn.GetNumBitVectors(); i++)
b1 += xtl::format("0x%x ", fRegionsImIn.GetBitVector(i)).c_str();
for(i=0;i<fRegionsICareAbout.GetNumBitVectors(); i++)
b2 += xtl::format("0x%x ", fRegionsICareAbout.GetBitVector(i)).c_str();
xtl::format( s, "rgnsImIn:%s, rgnsICareAbout:%s, %s",
b1.c_str(), b2.c_str(), plNetMessage::AsStdString().c_str() );
return s;
}
};
#endif // plNetMessage_h_inc
////////////////////////////////////////////////////////////////////
// End.