mirror of
https://github.com/DarkflameUniverse/DarkflameServer.git
synced 2024-11-09 17:58:20 +00:00
718 lines
23 KiB
C++
718 lines
23 KiB
C++
#include "AutoRPC.h"
|
|
#include "RakMemoryOverride.h"
|
|
#include "RakAssert.h"
|
|
#include "StringCompressor.h"
|
|
#include "BitStream.h"
|
|
#include "Types.h"
|
|
#include "RakPeerInterface.h"
|
|
#include "MessageIdentifiers.h"
|
|
#include "NetworkIDObject.h"
|
|
#include "NetworkIDManager.h"
|
|
#include <stdlib.h>
|
|
|
|
using namespace RakNet;
|
|
|
|
#ifdef _MSC_VER
|
|
#pragma warning( push )
|
|
#endif
|
|
|
|
int AutoRPC::RemoteRPCFunctionComp( const RPCIdentifier &key, const RemoteRPCFunction &data )
|
|
{
|
|
if (key.isObjectMember==false && data.identifier.isObjectMember==true)
|
|
return -1;
|
|
if (key.isObjectMember==true && data.identifier.isObjectMember==false)
|
|
return 1;
|
|
return strcmp(key.uniqueIdentifier, data.identifier.uniqueIdentifier);
|
|
}
|
|
|
|
AutoRPC::AutoRPC()
|
|
{
|
|
currentExecution[0]=0;
|
|
rakPeer=0;
|
|
networkIdManager=0;
|
|
outgoingTimestamp=0;
|
|
outgoingPriority=HIGH_PRIORITY;
|
|
outgoingReliability=RELIABLE_ORDERED;
|
|
outgoingOrderingChannel=0;
|
|
outgoingBroadcast=true;
|
|
incomingTimeStamp=0;
|
|
DataStructures::Map<SystemAddress, DataStructures::OrderedList<RPCIdentifier, RemoteRPCFunction, AutoRPC::RemoteRPCFunctionComp> *>::IMPLEMENT_DEFAULT_COMPARISON();
|
|
}
|
|
|
|
AutoRPC::~AutoRPC()
|
|
{
|
|
Clear();
|
|
}
|
|
void AutoRPC::SetNetworkIDManager(NetworkIDManager *idMan)
|
|
{
|
|
networkIdManager=idMan;
|
|
}
|
|
bool AutoRPC::RegisterFunction(const char *uniqueIdentifier, void* functionPtr, bool isObjectMember, char parameterCount)
|
|
{
|
|
return RegisterFunction( uniqueIdentifier, GenRPC::PMF( functionPtr ), isObjectMember, parameterCount );
|
|
}
|
|
bool AutoRPC::RegisterFunction(const char *uniqueIdentifier, GenRPC::PMF functionPtr, bool isObjectMember, char parameterCount)
|
|
{
|
|
if (uniqueIdentifier==0 || functionPtr==0)
|
|
{
|
|
RakAssert(0);
|
|
return false;
|
|
}
|
|
|
|
RPCIdentifier identifier;
|
|
identifier.isObjectMember=isObjectMember;
|
|
identifier.uniqueIdentifier=(char*) uniqueIdentifier;
|
|
unsigned localIndex = GetLocalFunctionIndex(identifier);
|
|
// Already registered?
|
|
if (localIndex!=(unsigned)-1 && localFunctions[localIndex].functionPtr!=0)
|
|
return false;
|
|
if (localIndex!=(unsigned)-1)
|
|
{
|
|
// Reenable existing
|
|
localFunctions[localIndex].functionPtr=functionPtr;
|
|
localFunctions[localIndex].parameterCount=parameterCount;
|
|
}
|
|
else
|
|
{
|
|
// Add new
|
|
LocalRPCFunction func;
|
|
func.functionPtr=functionPtr;
|
|
func.identifier.isObjectMember=isObjectMember;
|
|
func.identifier.uniqueIdentifier = (char*) rakMalloc(strlen(uniqueIdentifier)+1);
|
|
func.parameterCount=parameterCount;
|
|
strcpy(func.identifier.uniqueIdentifier, uniqueIdentifier);
|
|
localFunctions.Insert(func);
|
|
}
|
|
return true;
|
|
}
|
|
bool AutoRPC::UnregisterFunction(const char *uniqueIdentifier, bool isObjectMember)
|
|
{
|
|
if (uniqueIdentifier==0)
|
|
{
|
|
RakAssert(0);
|
|
return false;
|
|
}
|
|
|
|
RPCIdentifier identifier;
|
|
identifier.isObjectMember=isObjectMember;
|
|
identifier.uniqueIdentifier=(char*) uniqueIdentifier;
|
|
unsigned localIndex = GetLocalFunctionIndex(identifier);
|
|
// Not registered?
|
|
if (localIndex==(unsigned)-1)
|
|
return false;
|
|
// Leave the id in, in case the function is set again later. That way we keep the same remote index
|
|
localFunctions[localIndex].functionPtr=0;
|
|
return true;
|
|
}
|
|
void AutoRPC::SetTimestamp(RakNetTime timeStamp)
|
|
{
|
|
outgoingTimestamp=timeStamp;
|
|
}
|
|
void AutoRPC::SetSendParams(PacketPriority priority, PacketReliability reliability, char orderingChannel)
|
|
{
|
|
outgoingPriority=priority;
|
|
outgoingReliability=reliability;
|
|
outgoingOrderingChannel=orderingChannel;
|
|
}
|
|
void AutoRPC::SetRecipientAddress(SystemAddress systemAddress, bool broadcast)
|
|
{
|
|
outgoingSystemAddress=systemAddress;
|
|
outgoingBroadcast=broadcast;
|
|
}
|
|
void AutoRPC::SetRecipientObject(NetworkID networkID)
|
|
{
|
|
outgoingNetworkID=networkID;
|
|
}
|
|
RakNet::BitStream *AutoRPC::SetOutgoingExtraData(void)
|
|
{
|
|
return &outgoingExtraData;
|
|
}
|
|
RakNetTime AutoRPC::GetLastSenderTimestamp(void) const
|
|
{
|
|
return incomingTimeStamp;
|
|
}
|
|
SystemAddress AutoRPC::GetLastSenderAddress(void) const
|
|
{
|
|
return incomingSystemAddress;
|
|
}
|
|
RakPeerInterface *AutoRPC::GetRakPeer(void) const
|
|
{
|
|
return rakPeer;
|
|
}
|
|
const char *AutoRPC::GetCurrentExecution(void) const
|
|
{
|
|
return (const char *) currentExecution;
|
|
}
|
|
RakNet::BitStream *AutoRPC::GetIncomingExtraData(void)
|
|
{
|
|
return &incomingExtraData;
|
|
}
|
|
bool AutoRPC::SendCall(const char *uniqueIdentifier, const char *stack, unsigned int bytesOnStack, char parameterCount)
|
|
{
|
|
SystemAddress systemAddr;
|
|
RPCIdentifier identifier;
|
|
unsigned int outerIndex;
|
|
unsigned int innerIndex;
|
|
|
|
if (uniqueIdentifier==0)
|
|
return false;
|
|
|
|
identifier.uniqueIdentifier=(char*) uniqueIdentifier;
|
|
identifier.isObjectMember=(outgoingNetworkID!=UNASSIGNED_NETWORK_ID);
|
|
|
|
RakNet::BitStream bs;
|
|
if (outgoingTimestamp!=0)
|
|
{
|
|
bs.Write((MessageID)ID_TIMESTAMP);
|
|
bs.Write(outgoingTimestamp);
|
|
}
|
|
bs.Write((MessageID)ID_AUTO_RPC_CALL);
|
|
if (parameterCount>=0)
|
|
{
|
|
bs.Write(true);
|
|
bs.Write(parameterCount);
|
|
}
|
|
else
|
|
{
|
|
bs.Write(false);
|
|
}
|
|
bs.WriteCompressed(outgoingExtraData.GetNumberOfBitsUsed());
|
|
bs.Write(&outgoingExtraData);
|
|
if (outgoingNetworkID!=UNASSIGNED_NETWORK_ID)
|
|
{
|
|
bs.Write(true);
|
|
bs.Write(outgoingNetworkID);
|
|
}
|
|
else
|
|
{
|
|
bs.Write(false);
|
|
}
|
|
// This is so the call SetWriteOffset works
|
|
bs.AlignWriteToByteBoundary();
|
|
BitSize_t writeOffset = bs.GetWriteOffset();
|
|
if (outgoingBroadcast)
|
|
{
|
|
unsigned systemIndex;
|
|
for (systemIndex=0; systemIndex < rakPeer->GetMaximumNumberOfPeers(); systemIndex++)
|
|
{
|
|
systemAddr=rakPeer->GetSystemAddressFromIndex(systemIndex);
|
|
if (systemAddr!=UNASSIGNED_SYSTEM_ADDRESS && systemAddr!=outgoingSystemAddress)
|
|
{
|
|
if (GetRemoteFunctionIndex(systemAddr, identifier, &outerIndex, &innerIndex))
|
|
{
|
|
// Write a number to identify the function if possible, for faster lookup and less bandwidth
|
|
bs.Write(true);
|
|
bs.WriteCompressed(remoteFunctions[outerIndex]->operator [](innerIndex).functionIndex);
|
|
}
|
|
else
|
|
{
|
|
bs.Write(false);
|
|
stringCompressor->EncodeString(uniqueIdentifier, 512, &bs, 0);
|
|
}
|
|
|
|
bs.WriteCompressed(bytesOnStack);
|
|
bs.WriteAlignedBytes((const unsigned char*) stack, bytesOnStack);
|
|
rakPeer->Send(&bs, outgoingPriority, outgoingReliability, outgoingOrderingChannel, systemAddr, false);
|
|
|
|
// Start writing again after ID_AUTO_RPC_CALL
|
|
bs.SetWriteOffset(writeOffset);
|
|
}
|
|
}
|
|
}
|
|
else
|
|
{
|
|
systemAddr = outgoingSystemAddress;
|
|
if (systemAddr!=UNASSIGNED_SYSTEM_ADDRESS)
|
|
{
|
|
if (GetRemoteFunctionIndex(systemAddr, identifier, &outerIndex, &innerIndex))
|
|
{
|
|
// Write a number to identify the function if possible, for faster lookup and less bandwidth
|
|
bs.Write(true);
|
|
bs.WriteCompressed(remoteFunctions[outerIndex]->operator [](innerIndex).functionIndex);
|
|
}
|
|
else
|
|
{
|
|
bs.Write(false);
|
|
stringCompressor->EncodeString(uniqueIdentifier, 512, &bs, 0);
|
|
}
|
|
|
|
bs.WriteCompressed(bytesOnStack);
|
|
bs.WriteAlignedBytes((const unsigned char*) stack, bytesOnStack);
|
|
rakPeer->Send(&bs, outgoingPriority, outgoingReliability, outgoingOrderingChannel, systemAddr, false);
|
|
}
|
|
else
|
|
return false;
|
|
}
|
|
return true;
|
|
}
|
|
void AutoRPC::OnAttach(RakPeerInterface *peer)
|
|
{
|
|
rakPeer=peer;
|
|
outgoingSystemAddress=UNASSIGNED_SYSTEM_ADDRESS;
|
|
outgoingNetworkID=UNASSIGNED_NETWORK_ID;
|
|
incomingSystemAddress=UNASSIGNED_SYSTEM_ADDRESS;
|
|
|
|
}
|
|
PluginReceiveResult AutoRPC::OnReceive(RakPeerInterface *peer, Packet *packet)
|
|
{
|
|
RakNetTime timestamp=0;
|
|
unsigned char packetIdentifier, packetDataOffset;
|
|
if ( ( unsigned char ) packet->data[ 0 ] == ID_TIMESTAMP )
|
|
{
|
|
if ( packet->length > sizeof( unsigned char ) + sizeof( RakNetTime ) )
|
|
{
|
|
packetIdentifier = ( unsigned char ) packet->data[ sizeof( unsigned char ) + sizeof( RakNetTime ) ];
|
|
// Required for proper endian swapping
|
|
RakNet::BitStream tsBs(packet->data+sizeof(MessageID),packet->length-1,false);
|
|
tsBs.Read(timestamp);
|
|
packetDataOffset=sizeof( unsigned char )*2 + sizeof( RakNetTime );
|
|
}
|
|
else
|
|
return RR_STOP_PROCESSING_AND_DEALLOCATE;
|
|
}
|
|
else
|
|
{
|
|
packetIdentifier = ( unsigned char ) packet->data[ 0 ];
|
|
packetDataOffset=sizeof( unsigned char );
|
|
}
|
|
|
|
switch (packetIdentifier)
|
|
{
|
|
case ID_DISCONNECTION_NOTIFICATION:
|
|
case ID_CONNECTION_LOST:
|
|
OnCloseConnection(peer, packet->systemAddress);
|
|
return RR_CONTINUE_PROCESSING;
|
|
case ID_AUTO_RPC_CALL:
|
|
incomingTimeStamp=timestamp;
|
|
incomingSystemAddress=packet->systemAddress;
|
|
OnAutoRPCCall(packet->systemAddress, packet->data+packetDataOffset, packet->length-packetDataOffset);
|
|
return RR_STOP_PROCESSING_AND_DEALLOCATE;
|
|
case ID_AUTO_RPC_REMOTE_INDEX:
|
|
OnRPCRemoteIndex(packet->systemAddress, packet->data+packetDataOffset, packet->length-packetDataOffset);
|
|
return RR_STOP_PROCESSING_AND_DEALLOCATE;
|
|
case ID_AUTO_RPC_UNKNOWN_REMOTE_INDEX:
|
|
OnRPCUnknownRemoteIndex(packet->systemAddress, packet->data+packetDataOffset, packet->length-packetDataOffset, timestamp);
|
|
return RR_STOP_PROCESSING_AND_DEALLOCATE;
|
|
}
|
|
|
|
return RR_CONTINUE_PROCESSING;
|
|
}
|
|
void AutoRPC::OnCloseConnection(RakPeerInterface *peer, SystemAddress systemAddress)
|
|
{
|
|
(void) peer;
|
|
if (remoteFunctions.Has(systemAddress))
|
|
{
|
|
DataStructures::OrderedList<RPCIdentifier, RemoteRPCFunction, AutoRPC::RemoteRPCFunctionComp> *theList = remoteFunctions.Get(systemAddress);
|
|
unsigned i;
|
|
for (i=0; i < theList->Size(); i++)
|
|
{
|
|
if (theList->operator [](i).identifier.uniqueIdentifier)
|
|
rakFree(theList->operator [](i).identifier.uniqueIdentifier);
|
|
}
|
|
delete theList;
|
|
remoteFunctions.Delete(systemAddress);
|
|
}
|
|
}
|
|
void AutoRPC::OnAutoRPCCall(SystemAddress systemAddress, unsigned char *data, unsigned int lengthInBytes)
|
|
{
|
|
RakNet::BitStream bs(data,lengthInBytes,false);
|
|
|
|
bool hasParameterCount=false;
|
|
char parameterCount;
|
|
char inputStack[ARPC_MAX_STACK_SIZE];
|
|
NetworkIDObject *networkIdObject;
|
|
NetworkID networkId;
|
|
bool hasNetworkId=false;
|
|
bool hasFunctionIndex=false;
|
|
unsigned int functionIndex;
|
|
unsigned int bytesOnStack;
|
|
char strIdentifier[512];
|
|
int numberOfBitsUsed;
|
|
incomingExtraData.Reset();
|
|
bs.Read(hasParameterCount);
|
|
if (hasParameterCount)
|
|
bs.Read(parameterCount);
|
|
else
|
|
parameterCount=-1;
|
|
bs.ReadCompressed(numberOfBitsUsed);
|
|
if (numberOfBitsUsed > (int) incomingExtraData.GetNumberOfBitsAllocated())
|
|
incomingExtraData.AddBitsAndReallocate(numberOfBitsUsed-(int) incomingExtraData.GetNumberOfBitsAllocated());
|
|
bs.ReadBits(incomingExtraData.GetData(), numberOfBitsUsed, false);
|
|
incomingExtraData.SetWriteOffset(numberOfBitsUsed);
|
|
|
|
|
|
// const unsigned int outputStackSize = ARPC_MAX_STACK_SIZE+128*4; // Enough padding to round up to 4 for each parameter, max 128 parameters
|
|
// char outputStack[outputStackSize];
|
|
|
|
bs.Read(hasNetworkId);
|
|
if (hasNetworkId)
|
|
{
|
|
bs.Read(networkId);
|
|
if (networkIdManager==0 && (networkIdManager=rakPeer->GetNetworkIDManager())==0)
|
|
{
|
|
// Failed - Tried to call object member, however, networkIDManager system was never registered
|
|
SendError(systemAddress, RPC_ERROR_NETWORK_ID_MANAGER_UNAVAILABLE, "");
|
|
return;
|
|
}
|
|
networkIdObject = (NetworkIDObject*) networkIdManager->GET_OBJECT_FROM_ID(networkId);
|
|
if (networkIdObject==0)
|
|
{
|
|
// Failed - Tried to call object member, object does not exist (deleted?)
|
|
SendError(systemAddress, RPC_ERROR_OBJECT_DOES_NOT_EXIST, "");
|
|
return;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
networkIdObject=0;
|
|
}
|
|
bs.AlignReadToByteBoundary();
|
|
bs.Read(hasFunctionIndex);
|
|
if (hasFunctionIndex)
|
|
bs.ReadCompressed(functionIndex);
|
|
else
|
|
stringCompressor->DecodeString(strIdentifier,512,&bs,0);
|
|
bs.ReadCompressed(bytesOnStack);
|
|
bs.ReadAlignedBytes((unsigned char *) inputStack,bytesOnStack);
|
|
if (hasFunctionIndex)
|
|
{
|
|
if (functionIndex>localFunctions.Size())
|
|
{
|
|
// Failed - other system specified a totally invalid index
|
|
// Possible causes: Bugs, attempts to crash the system, requested function not registered
|
|
SendError(systemAddress, RPC_ERROR_FUNCTION_INDEX_OUT_OF_RANGE, "");
|
|
return;
|
|
}
|
|
// it was actually a mistake to implement ID_AUTO_RPC_UNKNOWN_REMOTE_INDEX. This hides the more relevant return code RPC_ERROR_FUNCTION_NO_LONGER_REGISTERED and more importantly can result in the calls being out of order since it takes extra communication steps.
|
|
/*
|
|
if (localFunctions[functionIndex].functionPtr==0)
|
|
{
|
|
// Failed - Function index lookup failure. Try passing back what was sent to us, and requesting the string
|
|
RakNet::BitStream out;
|
|
if (incomingTimeStamp!=0)
|
|
{
|
|
out.Write((MessageID)ID_TIMESTAMP);
|
|
out.Write(incomingTimeStamp);
|
|
}
|
|
out.Write((MessageID)ID_AUTO_RPC_UNKNOWN_REMOTE_INDEX);
|
|
if (parameterCount>=0)
|
|
{
|
|
out.Write(true);
|
|
out.Write(parameterCount);
|
|
}
|
|
else
|
|
{
|
|
out.Write(false);
|
|
}
|
|
out.WriteCompressed(functionIndex);
|
|
out.WriteCompressed(numberOfBitsUsed);
|
|
out.Write(&incomingExtraData);
|
|
out.Write(hasNetworkId);
|
|
if (hasNetworkId)
|
|
out.Write(networkId);
|
|
out.WriteCompressed(bytesOnStack);
|
|
out.WriteAlignedBytes((const unsigned char*) inputStack, bytesOnStack);
|
|
rakPeer->Send(&out, HIGH_PRIORITY, RELIABLE_ORDERED, 0, systemAddress, false);
|
|
|
|
return;
|
|
}
|
|
*/
|
|
}
|
|
else
|
|
{
|
|
// Find the registered function with this str
|
|
for (functionIndex=0; functionIndex < localFunctions.Size(); functionIndex++)
|
|
{
|
|
if (localFunctions[functionIndex].identifier.isObjectMember == (networkIdObject!=0) &&
|
|
strcmp(localFunctions[functionIndex].identifier.uniqueIdentifier, strIdentifier)==0)
|
|
{
|
|
// SEND RPC MAPPING
|
|
RakNet::BitStream outgoingBitstream;
|
|
outgoingBitstream.Write((MessageID)ID_AUTO_RPC_REMOTE_INDEX);
|
|
outgoingBitstream.Write(hasNetworkId);
|
|
outgoingBitstream.WriteCompressed(functionIndex);
|
|
stringCompressor->EncodeString(strIdentifier,512,&outgoingBitstream,0);
|
|
rakPeer->Send(&outgoingBitstream, HIGH_PRIORITY, RELIABLE_ORDERED, 0, systemAddress, false);
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (functionIndex==localFunctions.Size())
|
|
{
|
|
for (functionIndex=0; functionIndex < localFunctions.Size(); functionIndex++)
|
|
{
|
|
if (strcmp(localFunctions[functionIndex].identifier.uniqueIdentifier, strIdentifier)==0)
|
|
{
|
|
if (localFunctions[functionIndex].identifier.isObjectMember==true && networkIdObject==0)
|
|
{
|
|
// Failed - Calling C++ function as C function
|
|
SendError(systemAddress, RPC_ERROR_CALLING_CPP_AS_C, strIdentifier);
|
|
return;
|
|
}
|
|
|
|
if (localFunctions[functionIndex].identifier.isObjectMember==false && networkIdObject!=0)
|
|
{
|
|
// Failed - Calling C function as C++ function
|
|
SendError(systemAddress, RPC_ERROR_CALLING_C_AS_CPP, strIdentifier);
|
|
return;
|
|
}
|
|
}
|
|
}
|
|
|
|
SendError(systemAddress, RPC_ERROR_FUNCTION_NOT_REGISTERED, strIdentifier);
|
|
return;
|
|
}
|
|
}
|
|
|
|
if (localFunctions[functionIndex].functionPtr==0)
|
|
{
|
|
// Failed - Function was previously registered, but isn't registered any longer
|
|
SendError(systemAddress, RPC_ERROR_FUNCTION_NO_LONGER_REGISTERED, localFunctions[functionIndex].identifier.uniqueIdentifier);
|
|
return;
|
|
}
|
|
|
|
if (bytesOnStack > ARPC_MAX_STACK_SIZE)
|
|
{
|
|
// Failed - Not enough bytes on predetermined stack. Shouldn't hit this since the sender also uses this value
|
|
SendError(systemAddress, RPC_ERROR_STACK_TOO_SMALL, localFunctions[functionIndex].identifier.uniqueIdentifier);
|
|
return;
|
|
}
|
|
|
|
if (localFunctions[functionIndex].parameterCount>=0 && parameterCount>=0 && parameterCount!=localFunctions[functionIndex].parameterCount)
|
|
{
|
|
// Failed - The number of parameters that this function has was explicitly specified, and does not match up.
|
|
SendError(systemAddress, RPC_ERROR_INCORRECT_NUMBER_OF_PARAMETERS, localFunctions[functionIndex].identifier.uniqueIdentifier);
|
|
return;
|
|
}
|
|
|
|
|
|
// unsigned int bytesWritten;
|
|
// unsigned char numParameters;
|
|
// unsigned int parameterLengths[64]; // 64 is arbitrary, just needs to be more than whatever might be serialized
|
|
|
|
|
|
GenRPC::CallParams call;
|
|
|
|
// this is the dynamic cast error handling
|
|
|
|
void* deserialized_this = localFunctions[functionIndex].functionPtr.computeThis( networkIdObject );
|
|
#ifdef AUTO_RPC_USE_DYNAMIC_CAST
|
|
if ( networkIdObject && !deserialized_this )
|
|
{
|
|
// This needs its only error message - this happens when dynamic_cast<YourClass*>( networdIdObject )
|
|
// fails - i.e. you don't inherit from NetworkIDObject.
|
|
SendError(systemAddress, RPC_ERROR_STACK_DESERIALIZATION_FAILED, strIdentifier);
|
|
return;
|
|
}
|
|
#endif
|
|
|
|
if ( !DeserializeParametersAndBuildCall(call, inputStack, bytesOnStack, this, deserialized_this ) )
|
|
{
|
|
// Failed - Couldn't deserialize
|
|
SendError(systemAddress, RPC_ERROR_STACK_DESERIALIZATION_FAILED, strIdentifier);
|
|
return;
|
|
}
|
|
|
|
strncpy(currentExecution, localFunctions[functionIndex].identifier.uniqueIdentifier, sizeof(currentExecution)-1);
|
|
|
|
if (!CallWithStack( call, localFunctions[functionIndex].functionPtr.computeFuncAddr( networkIdObject ))) {
|
|
// Failed - Couldn't deserialize
|
|
SendError(systemAddress, RPC_ERROR_STACK_DESERIALIZATION_FAILED, strIdentifier);
|
|
return;
|
|
}
|
|
|
|
currentExecution[0]=0;
|
|
}
|
|
void AutoRPC::OnRPCRemoteIndex(SystemAddress systemAddress, unsigned char *data, unsigned int lengthInBytes)
|
|
{
|
|
// A remote system has given us their internal index for a particular function.
|
|
// Store it and use it from now on, to save bandwidth and search time
|
|
bool objectExists;
|
|
char strIdentifier[512];
|
|
unsigned int insertionIndex;
|
|
unsigned int remoteIndex;
|
|
RemoteRPCFunction newRemoteFunction;
|
|
RakNet::BitStream bs(data,lengthInBytes,false);
|
|
RPCIdentifier identifier;
|
|
bs.Read(identifier.isObjectMember);
|
|
bs.ReadCompressed(remoteIndex);
|
|
stringCompressor->DecodeString(strIdentifier,512,&bs,0);
|
|
identifier.uniqueIdentifier=strIdentifier;
|
|
|
|
if (strIdentifier[0]==0)
|
|
return;
|
|
|
|
DataStructures::OrderedList<RPCIdentifier, RemoteRPCFunction, AutoRPC::RemoteRPCFunctionComp> *theList;
|
|
if (remoteFunctions.Has(systemAddress))
|
|
{
|
|
theList = remoteFunctions.Get(systemAddress);
|
|
insertionIndex=theList->GetIndexFromKey(identifier, &objectExists);
|
|
if (objectExists==false)
|
|
{
|
|
newRemoteFunction.functionIndex=remoteIndex;
|
|
newRemoteFunction.identifier.isObjectMember=identifier.isObjectMember;
|
|
newRemoteFunction.identifier.uniqueIdentifier = (char*) rakMalloc(strlen(strIdentifier)+1);
|
|
strcpy(newRemoteFunction.identifier.uniqueIdentifier, strIdentifier);
|
|
theList->InsertAtIndex(newRemoteFunction, insertionIndex);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
theList = new DataStructures::OrderedList<RPCIdentifier, RemoteRPCFunction, AutoRPC::RemoteRPCFunctionComp>;
|
|
|
|
newRemoteFunction.functionIndex=remoteIndex;
|
|
newRemoteFunction.identifier.isObjectMember=identifier.isObjectMember;
|
|
newRemoteFunction.identifier.uniqueIdentifier = (char*) rakMalloc(strlen(strIdentifier)+1);
|
|
strcpy(newRemoteFunction.identifier.uniqueIdentifier, strIdentifier);
|
|
theList->InsertAtEnd(newRemoteFunction);
|
|
|
|
remoteFunctions.SetNew(systemAddress,theList);
|
|
}
|
|
}
|
|
void AutoRPC::OnRPCUnknownRemoteIndex(SystemAddress systemAddress, unsigned char *data, unsigned int lengthInBytes, RakNetTime timestamp)
|
|
{
|
|
char inputStack[ARPC_MAX_STACK_SIZE];
|
|
NetworkID networkId;
|
|
bool hasNetworkId=false;
|
|
unsigned int functionIndex;
|
|
unsigned int bytesOnStack;
|
|
int numberOfBitsUsed;
|
|
char parameterCount;
|
|
bool hasParameterCount=false;
|
|
|
|
RakNet::BitStream extraData;
|
|
RakNet::BitStream bs(data,lengthInBytes,false);
|
|
bs.Read(hasParameterCount);
|
|
if (hasParameterCount)
|
|
bs.Read(parameterCount);
|
|
bs.ReadCompressed(functionIndex);
|
|
bs.ReadCompressed(numberOfBitsUsed);
|
|
extraData.AddBitsAndReallocate(numberOfBitsUsed);
|
|
bs.ReadBits(extraData.GetData(), numberOfBitsUsed, false);
|
|
extraData.SetWriteOffset(numberOfBitsUsed);
|
|
bs.Read(hasNetworkId);
|
|
if (hasNetworkId)
|
|
bs.Read(networkId);
|
|
bs.ReadCompressed(bytesOnStack);
|
|
bs.ReadAlignedBytes((unsigned char*) inputStack, bytesOnStack);
|
|
|
|
unsigned outerIndex;
|
|
if (remoteFunctions.Has(systemAddress))
|
|
{
|
|
outerIndex = remoteFunctions.GetIndexAtKey(systemAddress);
|
|
DataStructures::OrderedList<RPCIdentifier, RemoteRPCFunction, AutoRPC::RemoteRPCFunctionComp> *theList = remoteFunctions[outerIndex];
|
|
unsigned i;
|
|
for (i=0; i < theList->Size(); i++)
|
|
{
|
|
if (theList->operator [](i).functionIndex==functionIndex)
|
|
{
|
|
RakNet::BitStream out;
|
|
// Recover by resending the RPC with the function identifier string this time
|
|
if (timestamp!=0)
|
|
{
|
|
out.Write((MessageID)ID_TIMESTAMP);
|
|
out.Write(timestamp);
|
|
}
|
|
out.Write((MessageID)ID_AUTO_RPC_CALL);
|
|
if (parameterCount>=0)
|
|
{
|
|
out.Write(true);
|
|
out.Write(parameterCount);
|
|
}
|
|
else
|
|
{
|
|
out.Write(false);
|
|
}
|
|
out.WriteCompressed(numberOfBitsUsed);
|
|
out.Write(&extraData);
|
|
out.Write(hasNetworkId);
|
|
if (hasNetworkId)
|
|
out.Write(networkId);
|
|
out.AlignWriteToByteBoundary();
|
|
out.Write(false);
|
|
stringCompressor->EncodeString(theList->operator [](i).identifier.uniqueIdentifier, 512, &out, 0);
|
|
out.WriteCompressed(bytesOnStack);
|
|
out.WriteAlignedBytes((const unsigned char*) inputStack, bytesOnStack);
|
|
rakPeer->Send(&out, outgoingPriority, outgoingReliability, outgoingOrderingChannel, systemAddress, false);
|
|
return;
|
|
}
|
|
}
|
|
}
|
|
|
|
// Failed to recover, inform the user
|
|
Packet *p = rakPeer->AllocatePacket(sizeof(MessageID)+sizeof(unsigned char));
|
|
RakNet::BitStream bs2(p->data, sizeof(MessageID)+sizeof(unsigned char), false);
|
|
bs2.SetWriteOffset(0);
|
|
bs2.Write((MessageID)ID_RPC_REMOTE_ERROR);
|
|
bs2.Write((unsigned char)RPC_ERROR_FUNCTION_NO_LONGER_REGISTERED);
|
|
stringCompressor->EncodeString("",256,&bs,0);
|
|
p->systemAddress=systemAddress;
|
|
rakPeer->PushBackPacket(p, false);
|
|
|
|
}
|
|
void AutoRPC::SendError(SystemAddress target, unsigned char errorCode, const char *functionName)
|
|
{
|
|
RakNet::BitStream bs;
|
|
bs.Write((MessageID)ID_RPC_REMOTE_ERROR);
|
|
bs.Write(errorCode);
|
|
stringCompressor->EncodeString(functionName,256,&bs,0);
|
|
rakPeer->Send(&bs, HIGH_PRIORITY, RELIABLE_ORDERED, 0, target, false);
|
|
}
|
|
void AutoRPC::OnShutdown(RakPeerInterface *peer)
|
|
{
|
|
(void) peer;
|
|
Clear();
|
|
}
|
|
void AutoRPC::Clear(void)
|
|
{
|
|
unsigned i,j;
|
|
for (j=0; j < remoteFunctions.Size(); j++)
|
|
{
|
|
DataStructures::OrderedList<RPCIdentifier, RemoteRPCFunction, AutoRPC::RemoteRPCFunctionComp> *theList = remoteFunctions[j];
|
|
for (i=0; i < theList->Size(); i++)
|
|
{
|
|
if (theList->operator [](i).identifier.uniqueIdentifier)
|
|
rakFree(theList->operator [](i).identifier.uniqueIdentifier);
|
|
}
|
|
delete theList;
|
|
}
|
|
for (i=0; i < localFunctions.Size(); i++)
|
|
{
|
|
if (localFunctions[i].identifier.uniqueIdentifier)
|
|
rakFree(localFunctions[i].identifier.uniqueIdentifier);
|
|
}
|
|
localFunctions.Clear();
|
|
remoteFunctions.Clear();
|
|
outgoingExtraData.Reset();
|
|
incomingExtraData.Reset();
|
|
}
|
|
unsigned AutoRPC::GetLocalFunctionIndex(AutoRPC::RPCIdentifier identifier)
|
|
{
|
|
unsigned i;
|
|
for (i=0; i < localFunctions.Size(); i++)
|
|
{
|
|
if (localFunctions[i].identifier.isObjectMember==identifier.isObjectMember &&
|
|
strcmp(localFunctions[i].identifier.uniqueIdentifier,identifier.uniqueIdentifier)==0)
|
|
return i;
|
|
}
|
|
return (unsigned) -1;
|
|
}
|
|
bool AutoRPC::GetRemoteFunctionIndex(SystemAddress systemAddress, AutoRPC::RPCIdentifier identifier, unsigned int *outerIndex, unsigned int *innerIndex)
|
|
{
|
|
bool objectExists=false;
|
|
if (remoteFunctions.Has(systemAddress))
|
|
{
|
|
*outerIndex = remoteFunctions.GetIndexAtKey(systemAddress);
|
|
DataStructures::OrderedList<RPCIdentifier, RemoteRPCFunction, AutoRPC::RemoteRPCFunctionComp> *theList = remoteFunctions[*outerIndex];
|
|
*innerIndex = theList->GetIndexFromKey(identifier, &objectExists);
|
|
}
|
|
return objectExists;
|
|
}
|
|
|
|
|
|
#ifdef _MSC_VER
|
|
#pragma warning( pop )
|
|
#endif
|
|
|
|
|