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git://xwords.git.sourceforge.net/gitroot/xwords/xwords
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113 lines
3.6 KiB
C++
113 lines
3.6 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) any later version.
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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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#include <assert.h>
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#include <stdlib.h>
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#include "dbmgr.h"
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#include "xwrelay_priv.h"
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#define DB_NAME "xwgames"
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DBMgr::DBMgr()
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{
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logf( XW_LOGINFO, "%s called", __func__ );
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m_pgconn = PQconnectdb( "dbname = " DB_NAME );
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logf( XW_LOGINFO, "%s:, m_pgconn: %p", __func__, m_pgconn );
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ConnStatusType status = PQstatus( m_pgconn );
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assert( status == CONNECTION_OK );
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/* Now figure out what the largest cid currently is. There must be a way
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to get postgres to do this for me.... */
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const char* query = "SELECT cid FROM games ORDER BY - cid LIMIT 1";
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PGresult* result = PQexec( m_pgconn, query );
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if ( 0 == PQntuples( result ) ) {
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m_nextCID = 1;
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} else {
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char* value = PQgetvalue( result, 0, 0 );
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m_nextCID = 1 + atoi( value );
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}
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logf( XW_LOGINFO, "%s: m_nextCID=%d", __func__, m_nextCID );
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}
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DBMgr::~DBMgr()
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{
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logf( XW_LOGINFO, "%s called", __func__ );
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PQfinish( m_pgconn );
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}
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void
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DBMgr::AddNew( const char* cookie, const char* connName, CookieID cid,
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int langCode, int nPlayersT, int nPlayersH )
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{
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#if 1
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if ( !cookie ) cookie = "";
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if ( !connName ) connName = "";
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const char* fmt = "INSERT INTO games "
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"(cid, cookie, connName, nTotal, nHere, lang) "
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"VALUES( %d, '%s', '%s', %d, %d, %d )";
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char buf[256];
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snprintf( buf, sizeof(buf), fmt, m_nextCID++, cookie, connName,
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nPlayersT, nPlayersH, langCode );
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logf( XW_LOGINFO, "passing %s", buf );
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PGresult* result = PQexec( m_pgconn, buf );
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#else
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const char* command = "INSERT INTO games (cookie, connName, ntotal, nhere, lang) "
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"VALUES( $1, $2, $3, $4, $5 )";
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char nPlayersHBuf[4];
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char nPlayersTBuf[4];
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char langBuf[4];
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snprintf( nPlayersHBuf, sizeof(nPlayersHBuf), "%d", nPlayersH );
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snprintf( nPlayersTBuf, sizeof(nPlayersTBuf), "%d", nPlayersT );
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snprintf( langBuf, sizeof(langBuf), "%d", langCode );
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const char * const paramValues[] = { cookie, connName, nPlayersTBuf, nPlayersHBuf, langBuf };
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PGresult* result = PQexecParams( m_pgconn, command,
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sizeof(paramValues)/sizeof(paramValues[0]),
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NULL, /*const Oid *paramTypes,*/
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paramValues,
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NULL, /*const int *paramLengths,*/
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NULL, /*const int *paramFormats,*/
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0 /*int resultFormat*/ );
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#endif
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logf( XW_LOGINFO, "PQexecParams=>%d", result );
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}
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/*
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Schema:
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CREATE TABLE games (
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cid integer PRIMARY KEY,
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cookie VARCHAR(32),
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connName VARCHAR(64) UNIQUE,
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nTotal INTEGER,
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nHere INTEGER,
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lang INTEGER,
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ctime TIMESTAMP,
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mtime TIMESTAMP
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);
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*/
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