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support for some more connection less channel messages for the central server

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This commit is contained in:
Volker Fischer 2011-04-05 20:09:16 +00:00
parent 36d13454b3
commit ab4775f6a0
9 changed files with 98 additions and 40 deletions
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8
src/channel.cpp
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@ -561,4 +561,12 @@ CConnectionLessChannel::CConnectionLessChannel()
QObject::connect( &Protocol,
SIGNAL ( CLPingReceived ( CHostAddress, int ) ),
SIGNAL ( CLPingReceived ( CHostAddress, int ) ) );
QObject::connect( &Protocol,
SIGNAL ( CLRegisterServerReceived ( CHostAddress, CServerCoreInfo ) ),
SIGNAL ( CLRegisterServerReceived ( CHostAddress, CServerCoreInfo ) ) );
QObject::connect( &Protocol,
SIGNAL ( CLSendEmptyMes ( CHostAddress, CHostAddress ) ),
SIGNAL ( CLSendEmptyMes ( CHostAddress, CHostAddress ) ) );
}

7
src/channel.h
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@ -210,6 +210,9 @@ public:
void CreateCLPingMes ( const CHostAddress& InetAddr, const int iMs )
{ Protocol.CreateCLPingMes ( InetAddr, iMs ); }
void CreateCLEmptyMes ( const CHostAddress& InetAddr )
{ Protocol.CreateCLEmptyMes ( InetAddr ); }
protected:
// network protocol
CProtocol Protocol;
@ -219,6 +222,10 @@ signals:
CVector<uint8_t> vecMessage );
void CLPingReceived ( CHostAddress InetAddr, int iMs );
void CLRegisterServerReceived ( CHostAddress InetAddr,
CServerCoreInfo ServerInfo );
void CLSendEmptyMes ( CHostAddress InetAddr,
CHostAddress TargetInetAddr );
};

2
src/global.h
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@ -128,6 +128,8 @@
// without any other changes in the code
#define USED_NUM_CHANNELS 6 // used number channels for server
// maximum number of servers registered in the server list
#define MAX_NUM_SERVERS_IN_SERVER_LIST 100
// defines the time interval at which the ping time is updated in the GUI
#define PING_UPDATE_TIME_MS 500 // ms

8
src/protocol.cpp
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@ -577,7 +577,7 @@ bool CProtocol::ParseConnectionLessMessage ( const CVector<uint8_t>& vecbyData,
break;
case PROTMESSID_CLM_SEND_EMPTY_MESSAGE:
bRet = EvaluateCLSendEmptyMesMes ( InetAddr, vecData );
bRet = EvaluateCLSendEmptyMesMes ( vecData );
break;
case PROTMESSID_CLM_REGISTER_SERVER:
@ -1459,8 +1459,7 @@ void CProtocol::CreateCLSendEmptyMesMes ( const CHostAddress& InetAddr,
InetAddr );
}
bool CProtocol::EvaluateCLSendEmptyMesMes ( const CHostAddress& InetAddr,
const CVector<uint8_t>& vecData )
bool CProtocol::EvaluateCLSendEmptyMesMes ( const CVector<uint8_t>& vecData )
{
int iPos = 0; // init position pointer
@ -1479,8 +1478,7 @@ bool CProtocol::EvaluateCLSendEmptyMesMes ( const CHostAddress& InetAddr,
static_cast<int> ( GetValFromStream ( vecData, iPos, 2 ) );
// invoke message action
emit CLSendEmptyMes ( InetAddr,
CHostAddress ( QHostAddress ( iIpAddr ), iPort ) );
emit CLSendEmptyMes ( CHostAddress ( QHostAddress ( iIpAddr ), iPort ) );
return false; // no error
}

6
src/protocol.h
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@ -210,8 +210,7 @@ protected:
bool EvaluateCLServerListMes ( const CHostAddress& InetAddr,
const CVector<uint8_t>& vecData );
bool EvaluateCLReqServerListMes ( const CHostAddress& InetAddr );
bool EvaluateCLSendEmptyMesMes ( const CHostAddress& InetAddr,
const CVector<uint8_t>& vecData );
bool EvaluateCLSendEmptyMesMes ( const CVector<uint8_t>& vecData );
int iOldRecID;
int iOldRecCnt;
@ -254,8 +253,7 @@ signals:
void CLServerListReceived ( CHostAddress InetAddr,
CVector<CServerInfo> vecServerInfo );
void CLReqServerList ( CHostAddress InetAddr );
void CLSendEmptyMes ( CHostAddress InetAddr,
CHostAddress TargetInetAddr );
void CLSendEmptyMes ( CHostAddress TargetInetAddr );
};
#endif /* !defined ( PROTOCOL_H__3B123453_4344_BB2392354455IUHF1912__INCLUDED_ ) */

9
src/server.cpp
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@ -283,6 +283,15 @@ CServer::CServer ( const QString& strLoggingFileName,
SIGNAL ( CLPingReceived ( CHostAddress, int ) ),
this, SLOT ( OnCLPingReceived ( CHostAddress, int ) ) );
QObject::connect ( &ConnLessChannel,
SIGNAL ( CLRegisterServerReceived ( CHostAddress, CServerCoreInfo ) ),
this, SLOT ( OnCLRegisterServerReceived ( CHostAddress, CServerCoreInfo ) ) );
QObject::connect ( &ConnLessChannel,
SIGNAL ( CLSendEmptyMes ( CHostAddress ) ),
this, SLOT ( OnCLSendEmptyMes ( CHostAddress ) ) );
// CODE TAG: MAX_NUM_CHANNELS_TAG
// make sure we have MAX_NUM_CHANNELS connections!!!
// send message

11
src/server.h
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@ -188,9 +188,20 @@ public slots:
void OnTimer();
void OnSendProtMessage ( int iChID, CVector<uint8_t> vecMessage );
void OnSendCLProtMessage ( CHostAddress InetAddr, CVector<uint8_t> vecMessage );
void OnCLPingReceived ( CHostAddress InetAddr, int iMs )
{ ConnLessChannel.CreateCLPingMes ( InetAddr, iMs ); }
void OnCLSendEmptyMes ( CHostAddress TargetInetAddr )
{ ConnLessChannel.CreateCLEmptyMes ( TargetInetAddr ); }
void OnCLRegisterServerReceived ( CHostAddress InetAddr,
CServerCoreInfo ServerInfo )
{
ServerListManager.RegisterServer ( InetAddr, ServerInfo );
}
// CODE TAG: MAX_NUM_CHANNELS_TAG
// make sure we have MAX_NUM_CHANNELS connections!!!
// send message

84
src/serverlist.cpp
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@ -86,43 +86,65 @@ void CServerListManager::RegisterServer ( const CHostAddress& InetAddr,
if ( bEnabled )
{
// define invalid index used as a flag
const int ciInvalidIdx = -1;
const int iCurServerListSize = ServerList.size();
// Check if server is already registered. Use IP number and port number
// to fully identify a server. The very first list entry must not be
// checked since this is per definition the central server (i.e., this
// server)
int iSelIdx = ciInvalidIdx; // initialize with an illegal value
for ( int iIdx = 1; iIdx < ServerList.size(); iIdx++ )
// check for maximum allowed number of servers in the server list
if ( iCurServerListSize < MAX_NUM_SERVERS_IN_SERVER_LIST )
{
if ( ServerList[iIdx].HostAddr == InetAddr )
// define invalid index used as a flag
const int ciInvalidIdx = -1;
// Check if server is already registered. Use IP number and port
// number to fully identify a server. The very first list entry must
// not be checked since this is per definition the central server
// (i.e., this server)
int iSelIdx = ciInvalidIdx; // initialize with an illegal value
for ( int iIdx = 1; iIdx < iCurServerListSize; iIdx++ )
{
// store entry index
iSelIdx = iIdx;
if ( ServerList[iIdx].HostAddr == InetAddr )
{
// store entry index
iSelIdx = iIdx;
// entry found, leave for-loop
continue;
// entry found, leave for-loop
continue;
}
}
}
// if server is not yet registered, we have to create a new entry
if ( iSelIdx == ciInvalidIdx )
{
// create a new server list entry and init with received data
ServerList.append ( CServerListEntry ( InetAddr, ServerInfo ) );
}
else
{
// update all data and call update registration function
ServerList[iSelIdx].strName = ServerInfo.strName;
ServerList[iSelIdx].strTopic = ServerInfo.strTopic;
ServerList[iSelIdx].eCountry = ServerInfo.eCountry;
ServerList[iSelIdx].strCity = ServerInfo.strCity;
ServerList[iSelIdx].iNumClients = ServerInfo.iNumClients;
ServerList[iSelIdx].iMaxNumClients = ServerInfo.iMaxNumClients;
ServerList[iSelIdx].bPermanentOnline = ServerInfo.bPermanentOnline;
ServerList[iSelIdx].UpdateRegistration();
// if server is not yet registered, we have to create a new entry
if ( iSelIdx == ciInvalidIdx )
{
// create a new server list entry and init with received data
ServerList.append ( CServerListEntry ( InetAddr, ServerInfo ) );
}
else
{
// update all data and call update registration function
ServerList[iSelIdx].strName = ServerInfo.strName;
ServerList[iSelIdx].strTopic = ServerInfo.strTopic;
ServerList[iSelIdx].eCountry = ServerInfo.eCountry;
ServerList[iSelIdx].strCity = ServerInfo.strCity;
ServerList[iSelIdx].iNumClients = ServerInfo.iNumClients;
ServerList[iSelIdx].iMaxNumClients = ServerInfo.iMaxNumClients;
ServerList[iSelIdx].bPermanentOnline = ServerInfo.bPermanentOnline;
ServerList[iSelIdx].UpdateRegistration();
}
}
}
}
void CServerListManager::QueryServerList ( const CHostAddress& InetAddr )
{
QMutexLocker locker ( &Mutex );
if ( bEnabled )
{
// TODO
// extract the list data in message or transmit directly?
// create "send empty message" for all registered servers
}
}

3
src/serverlist.h
View File

@ -128,6 +128,9 @@ public:
void RegisterServer ( const CHostAddress& InetAddr,
const CServerCoreInfo& ServerInfo );
void QueryServerList ( const CHostAddress& InetAddr );
protected:
QTimer TimerPollList;
QMutex Mutex;