mirror of
git://xwords.git.sourceforge.net/gitroot/xwords/xwords
synced 2024-12-29 10:26:36 +01:00
9138cd15b7
and their slots are empty or have been reassigned: basically we check if a device goes where it expects, and if not treat it as a new connection rather than a reconnect, meaning its hostid may change. Existing device code seems ok with that -- and at any rate I don't think ACKs get dropped much in the wild.
146 lines
5.9 KiB
C
146 lines
5.9 KiB
C
/* -*-mode: C; fill-column: 78; c-basic-offset: 4; -*- */
|
|
|
|
/*
|
|
* Copyright 2010 - 2012 by Eric House (xwords@eehouse.org). All rights
|
|
* reserved.
|
|
*
|
|
* 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 2
|
|
* of the License, or (at your option.
|
|
*
|
|
* 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, write to the Free Software
|
|
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
|
|
*/
|
|
|
|
#ifndef _DBMGR_H_
|
|
#define _DBMGR_H_
|
|
|
|
#include <string>
|
|
|
|
#include "xwrelay.h"
|
|
#include "xwrelay_priv.h"
|
|
#include "devid.h"
|
|
#include <libpq-fe.h>
|
|
|
|
using namespace std;
|
|
|
|
class DBMgr {
|
|
public:
|
|
/* DevIDs on various platforms are stored in devices table. This is the
|
|
key, and used in msgs and games tables as a shorter way to refer to
|
|
them. */
|
|
static const DevIDRelay DEVID_NONE = 0;
|
|
|
|
static DBMgr* Get();
|
|
|
|
~DBMgr();
|
|
|
|
void ClearCIDs( void );
|
|
|
|
void AddNew( const char* cookie, const char* connName, CookieID cid,
|
|
int langCode, int nPlayersT, bool isPublic );
|
|
|
|
bool FindPlayer( DevIDRelay relayID, AddrInfo::ClientToken,
|
|
string& connName, HostID* hid, unsigned short* seed );
|
|
|
|
CookieID FindGame( const char* connName, char* cookieBuf, int bufLen,
|
|
int* langP, int* nPlayersTP, int* nPlayersHP,
|
|
bool* isDead );
|
|
|
|
bool FindGameFor( const char* connName, char* cookieBuf, int bufLen,
|
|
unsigned short seed, HostID hid,
|
|
int nPlayersH, int nPlayersS,
|
|
int* langP, bool* isDead, CookieID* cidp );
|
|
|
|
bool SeenSeed( const char* cookie, unsigned short seed,
|
|
int langCode, int nPlayersT, bool wantsPublic,
|
|
char* connNameBuf, int bufLen, int* nPlayersHP,
|
|
CookieID* cid );
|
|
|
|
CookieID FindOpen( const char* cookie, int lang, int nPlayersT,
|
|
int nPlayersH, bool wantsPublic,
|
|
char* connNameBuf, int bufLen, int* nPlayersHP );
|
|
bool AllDevsAckd( const char* const connName );
|
|
|
|
DevIDRelay RegisterDevice( const DevID* host );
|
|
bool updateDevice( DevIDRelay relayID, bool check );
|
|
|
|
HostID AddDevice( const char* const connName, HostID curID, int clientVersion,
|
|
int nToAdd, unsigned short seed, const AddrInfo* addr,
|
|
DevIDRelay devID, bool unAckd );
|
|
void NoteAckd( const char* const connName, HostID id );
|
|
HostID HIDForSeed( const char* const connName, unsigned short seed );
|
|
bool RmDeviceByHid( const char* const connName, HostID id );
|
|
void RmDeviceBySeed( const char* const connName, unsigned short seed );
|
|
bool HaveDevice( const char* const connName, HostID id, int seed );
|
|
bool AddCID( const char* const connName, CookieID cid );
|
|
void ClearCID( const char* connName );
|
|
void RecordSent( const char* const connName, HostID hid, int nBytes );
|
|
void RecordSent( const int* msgID, int nMsgIDs );
|
|
void RecordAddress( const char* const connName, HostID hid,
|
|
const AddrInfo* addr );
|
|
void GetPlayerCounts( const char* const connName, int* nTotal,
|
|
int* nHere );
|
|
|
|
void KillGame( const char* const connName, int hid );
|
|
|
|
/* Return list of roomName/playersStillWanted/age for open public games
|
|
matching this language and total game size. Will probably want to cache
|
|
lists locally and only update them every few seconds to avoid to many
|
|
queries.*/
|
|
void PublicRooms( int lang, int nPlayers, int* nNames, string& names );
|
|
|
|
/* Get stored address info, if available and valid */
|
|
bool TokenFor( const char* const connName, int hid, DevIDRelay* devid,
|
|
AddrInfo::ClientToken* token );
|
|
|
|
/* Return number of messages pending for connName:hostid pair passed in */
|
|
int PendingMsgCount( const char* const connName, int hid );
|
|
|
|
/* message storage -- different DB */
|
|
int CountStoredMessages( const char* const connName );
|
|
int CountStoredMessages( const char* const connName, int hid );
|
|
int CountStoredMessages( DevIDRelay relayID );
|
|
void StoreMessage( const char* const connName, int hid,
|
|
const unsigned char* const buf, int len );
|
|
void GetStoredMessageIDs( DevIDRelay relayID, vector<int>& ids );
|
|
|
|
bool GetStoredMessage( const char* const connName, int hid,
|
|
unsigned char* buf, size_t* buflen, int* msgID );
|
|
bool GetNthStoredMessage( const char* const connName, int hid, int nn,
|
|
unsigned char* buf, size_t* buflen, int* msgID );
|
|
bool GetStoredMessage( int msgID, unsigned char* buf, size_t* buflen,
|
|
AddrInfo::ClientToken* token );
|
|
|
|
void RemoveStoredMessages( const int* msgID, int nMsgIDs );
|
|
void RemoveStoredMessages( vector<int>& ids );
|
|
|
|
private:
|
|
DBMgr();
|
|
bool execSql( const string& query );
|
|
bool execSql( const char* const query ); /* no-results query */
|
|
void readArray( const char* const connName, const char* column, int arr[] );
|
|
DevIDRelay getDevID( const char* connName, int hid );
|
|
DevIDRelay getDevID( const DevID* devID );
|
|
int getCountWhere( const char* table, string& test );
|
|
void RemoveStoredMessages( string& msgIDs );
|
|
void decodeMessage( PGresult* result, bool useB64, int b64indx,
|
|
int byteaIndex, unsigned char* buf, size_t* buflen );
|
|
|
|
PGconn* getThreadConn( void );
|
|
|
|
void conn_key_alloc();
|
|
pthread_key_t m_conn_key;
|
|
bool m_useB64;
|
|
|
|
}; /* DBMgr */
|
|
|
|
|
|
#endif
|