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102 lines
4 KiB
C
102 lines
4 KiB
C
/* -*-mode: C; fill-column: 78; c-basic-offset: 4; -*- */
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/*
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* Copyright 2010 by Eric House (xwords@eehouse.org). All rights reserved.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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#ifndef _DBMGR_H_
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#define _DBMGR_H_
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#include <string>
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#include "xwrelay.h"
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#include "xwrelay_priv.h"
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#include <libpq-fe.h>
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using namespace std;
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class DBMgr {
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public:
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static DBMgr* Get();
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~DBMgr();
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void ClearCIDs( void );
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void AddNew( const char* cookie, const char* connName, CookieID cid,
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int langCode, int nPlayersT, bool isPublic );
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CookieID FindGame( const char* connName, char* cookieBuf, int bufLen,
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int* langP, int* nPlayersTP, int* nPlayersHP,
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bool* isDead );
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bool SeenSeed( const char* cookie, unsigned short seed,
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int langCode, int nPlayersT, bool wantsPublic,
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char* connNameBuf, int bufLen, int* nPlayersHP,
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CookieID* cid );
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CookieID FindOpen( const char* cookie, int lang, int nPlayersT,
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int nPlayersH, bool wantsPublic,
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char* connNameBuf, int bufLen, int* nPlayersHP );
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bool AllDevsAckd( const char* const connName );
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HostID AddDevice( const char* const connName, HostID curID,
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int nToAdd, unsigned short seed, bool unAckd );
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void NoteAckd( const char* const connName, HostID id );
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HostID HIDForSeed( const char* const connName, unsigned short seed );
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bool RmDeviceByHid( const char* const connName, HostID id );
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void RmDeviceBySeed( const char* const connName, unsigned short seed );
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bool HaveDevice( const char* const connName, HostID id, int seed );
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bool AddCID( const char* const connName, CookieID cid );
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void ClearCID( const char* connName );
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void RecordSent( const char* const connName, HostID hid, int nBytes );
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void RecordSent( const int* msgID, int nMsgIDs );
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void GetPlayerCounts( const char* const connName, int* nTotal,
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int* nHere );
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void KillGame( const char* const connName, int hid );
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/* Return list of roomName/playersStillWanted/age for open public games
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matching this language and total game size. Will probably want to cache
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lists locally and only update them every few seconds to avoid to many
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queries.*/
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void PublicRooms( int lang, int nPlayers, int* nNames, string& names );
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/* Return number of messages pending for connName:hostid pair passed in */
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int PendingMsgCount( const char* const connName, int hid );
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/* message storage -- different DB */
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int CountStoredMessages( const char* const connName );
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int CountStoredMessages( const char* const connName, int hid );
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void StoreMessage( const char* const connName, int hid,
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const unsigned char* const buf, int len );
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bool GetStoredMessage( const char* const connName, int hid,
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unsigned char* buf, size_t* buflen, int* msgID );
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bool GetNthStoredMessage( const char* const connName, int hid, int nn,
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unsigned char* buf, size_t* buflen, int* msgID );
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void RemoveStoredMessages( const int* msgID, int nMsgIDs );
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private:
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DBMgr();
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bool execSql( const char* const query ); /* no-results query */
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void readArray( const char* const connName, int arr[] );
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PGconn* getThreadConn( void );
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}; /* DBMgr */
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#endif
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