mirror of
git://xwords.git.sourceforge.net/gitroot/xwords/xwords
synced 2025-01-28 07:58:08 +01:00
new methods for storing/retrieving messages in new db.
This commit is contained in:
parent
451ced44ba
commit
eee41377f4
2 changed files with 119 additions and 16 deletions
|
@ -20,13 +20,15 @@
|
|||
|
||||
#include <assert.h>
|
||||
#include <stdlib.h>
|
||||
#include <string.h>
|
||||
|
||||
#include "dbmgr.h"
|
||||
#include "mlock.h"
|
||||
#include "xwrelay_priv.h"
|
||||
|
||||
#define DB_NAME "xwgames"
|
||||
#define TABLE_NAME "games"
|
||||
#define GAMES_TABLE "games"
|
||||
#define MSGS_TABLE "msgs"
|
||||
|
||||
#define ARRAYSUM "(nPerDevice[1]+nPerDevice[2]+nPerDevice[3]+nPerDevice[4])"
|
||||
|
||||
|
@ -87,9 +89,9 @@ DBMgr::AddNew( const char* cookie, const char* connName, CookieID cid,
|
|||
if ( !cookie ) cookie = "";
|
||||
if ( !connName ) connName = "";
|
||||
|
||||
const char* fmt = "INSERT INTO " TABLE_NAME
|
||||
"(cid, room, connName, nTotal, nPerDevice, lang, ispublic, ctime) "
|
||||
"VALUES( %d, '%s', '%s', %d, ARRAY[0,0,0,0], %d, %s, 'now' )";
|
||||
const char* fmt = "INSERT INTO " GAMES_TABLE
|
||||
" (cid, room, connName, nTotal, nPerDevice, lang, ispublic, ctime)"
|
||||
" VALUES( %d, '%s', '%s', %d, ARRAY[0,0,0,0], %d, %s, 'now' )";
|
||||
char buf[256];
|
||||
snprintf( buf, sizeof(buf), fmt, cid/*m_nextCID++*/, cookie, connName,
|
||||
nPlayersT, langCode, isPublic?"TRUE":"FALSE" );
|
||||
|
@ -103,9 +105,9 @@ DBMgr::FindGame( const char* connName, char* cookieBuf, int bufLen,
|
|||
{
|
||||
CookieID cid = 0;
|
||||
|
||||
const char* fmt = "SELECT cid, room, lang, nTotal, nPerDevice FROM " TABLE_NAME
|
||||
" where connName = '%s' "
|
||||
"LIMIT 1";
|
||||
const char* fmt = "SELECT cid, room, lang, nTotal, nPerDevice FROM "
|
||||
GAMES_TABLE " WHERE connName = '%s'"
|
||||
" LIMIT 1";
|
||||
char query[256];
|
||||
snprintf( query, sizeof(query), fmt, connName );
|
||||
logf( XW_LOGINFO, "query: %s", query );
|
||||
|
@ -133,7 +135,7 @@ DBMgr::FindOpen( const char* cookie, int lang, int nPlayersT, int nPlayersH,
|
|||
{
|
||||
CookieID cid = 0;
|
||||
|
||||
const char* fmt = "SELECT cid, connName, nPerDevice FROM " TABLE_NAME " "
|
||||
const char* fmt = "SELECT cid, connName, nPerDevice FROM " GAMES_TABLE
|
||||
" WHERE room = '%s'"
|
||||
" AND lang = %d"
|
||||
" AND nTotal = %d"
|
||||
|
@ -175,7 +177,7 @@ DBMgr::AddDevice( const char* connName, int nToAdd )
|
|||
}
|
||||
assert( newID <= 4 );
|
||||
|
||||
const char* fmt = "UPDATE " TABLE_NAME " SET nPerDevice[%d] = %d "
|
||||
const char* fmt = "UPDATE " GAMES_TABLE " SET nPerDevice[%d] = %d "
|
||||
"WHERE connName = '%s'";
|
||||
char query[256];
|
||||
snprintf( query, sizeof(query), fmt, newID, nToAdd, connName );
|
||||
|
@ -189,7 +191,7 @@ DBMgr::AddDevice( const char* connName, int nToAdd )
|
|||
void
|
||||
DBMgr::RmDevice( const char* connName, HostID hid )
|
||||
{
|
||||
const char* fmt = "UPDATE " TABLE_NAME " SET nPerDevice[%d] = 0 "
|
||||
const char* fmt = "UPDATE " GAMES_TABLE " SET nPerDevice[%d] = 0 "
|
||||
"WHERE connName = '%s'";
|
||||
char query[256];
|
||||
snprintf( query, sizeof(query), fmt, hid, connName );
|
||||
|
@ -201,7 +203,7 @@ DBMgr::RmDevice( const char* connName, HostID hid )
|
|||
void
|
||||
DBMgr::AddCID( const char* const connName, CookieID cid )
|
||||
{
|
||||
const char* fmt = "UPDATE " TABLE_NAME " SET cid = %d "
|
||||
const char* fmt = "UPDATE " GAMES_TABLE " SET cid = %d "
|
||||
"WHERE connName = '%s'";
|
||||
char query[256];
|
||||
snprintf( query, sizeof(query), fmt, cid, connName );
|
||||
|
@ -213,7 +215,7 @@ DBMgr::AddCID( const char* const connName, CookieID cid )
|
|||
void
|
||||
DBMgr::ClearCID( const char* connName )
|
||||
{
|
||||
const char* fmt = "UPDATE " TABLE_NAME " SET cid = null "
|
||||
const char* fmt = "UPDATE " GAMES_TABLE " SET cid = null "
|
||||
"WHERE connName = '%s'";
|
||||
char query[256];
|
||||
snprintf( query, sizeof(query), fmt, connName );
|
||||
|
@ -225,7 +227,7 @@ DBMgr::ClearCID( const char* connName )
|
|||
void
|
||||
DBMgr::ClearCIDs( void )
|
||||
{
|
||||
execSql( "UPDATE " TABLE_NAME " set cid = null" );
|
||||
execSql( "UPDATE " GAMES_TABLE " set cid = null" );
|
||||
}
|
||||
|
||||
void
|
||||
|
@ -234,7 +236,7 @@ DBMgr::PublicRooms( int lang, int nPlayers, int* nNames, string& names )
|
|||
int ii;
|
||||
int nTuples;
|
||||
|
||||
const char* fmt = "SELECT room, nTotal-" ARRAYSUM " FROM " TABLE_NAME
|
||||
const char* fmt = "SELECT room, nTotal-" ARRAYSUM " FROM " GAMES_TABLE
|
||||
" WHERE ispublic = TRUE AND lang = %d AND ntotal =% d";
|
||||
|
||||
char query[256];
|
||||
|
@ -275,7 +277,7 @@ DBMgr::execSql_locked( const char* query )
|
|||
void
|
||||
DBMgr::readArray_locked( const char* const connName, int arr[] ) /* len 4 */
|
||||
{
|
||||
const char* fmt = "SELECT nPerDevice FROM " TABLE_NAME " WHERE connName='%s'";
|
||||
const char* fmt = "SELECT nPerDevice FROM " GAMES_TABLE " WHERE connName='%s'";
|
||||
|
||||
char query[256];
|
||||
snprintf( query, sizeof(query), fmt, connName );
|
||||
|
@ -301,6 +303,98 @@ sumArray( const char* const arrStr )
|
|||
return sum;
|
||||
}
|
||||
|
||||
/*
|
||||
id | connname | hid | msg
|
||||
----+-----------+-----+---------
|
||||
1 | abcd:1234 | 2 | xyzzx
|
||||
2 | abcd:1234 | 2 | xyzzxxx
|
||||
3 | abcd:1234 | 3 | xyzzxxx
|
||||
*/
|
||||
|
||||
int
|
||||
DBMgr::CountStoredMessages( const char* const connName )
|
||||
{
|
||||
const char* fmt = "SELECT count(*) FROM " MSGS_TABLE
|
||||
" WHERE connname = '%s' ";
|
||||
|
||||
char query[256];
|
||||
snprintf( query, sizeof(query), fmt, connName );
|
||||
logf( XW_LOGINFO, "%s: query: %s", __func__, query );
|
||||
|
||||
MutexLock ml( &m_dbMutex );
|
||||
|
||||
PGresult* result = PQexec( m_pgconn, query );
|
||||
assert( 1 == PQntuples( result ) );
|
||||
int count = atoi( PQgetvalue( result, 0, 0 ) );
|
||||
PQclear( result );
|
||||
return count;
|
||||
} /* CountStoredMessages */
|
||||
|
||||
void
|
||||
DBMgr::StoreMessage( const char* const connName, int hid,
|
||||
const unsigned char* buf, int len )
|
||||
{
|
||||
size_t newLen;
|
||||
const char* fmt = "INSERT INTO " MSGS_TABLE " (connname, hid, msg)"
|
||||
" VALUES( '%s', %d, '%s' )";
|
||||
|
||||
MutexLock ml( &m_dbMutex );
|
||||
|
||||
unsigned char* bytes = PQescapeByteaConn( m_pgconn, buf, len, &newLen );
|
||||
assert( NULL != bytes );
|
||||
|
||||
char query[512];
|
||||
snprintf( query, sizeof(query), fmt, connName, hid, bytes );
|
||||
logf( XW_LOGINFO, "%s: query: %s", __func__, query );
|
||||
PQfreemem( bytes );
|
||||
|
||||
execSql_locked( query );
|
||||
}
|
||||
|
||||
bool
|
||||
DBMgr::GetStoredMessage( const char* const connName, int hid,
|
||||
unsigned char* buf, size_t* buflen, int* msgID )
|
||||
{
|
||||
const char* fmt = "SELECT id, msg FROM " MSGS_TABLE
|
||||
" WHERE connName = '%s' AND hid = %d ORDER BY id LIMIT 1";
|
||||
char query[256];
|
||||
snprintf( query, sizeof(query), fmt, connName, hid );
|
||||
logf( XW_LOGINFO, "%s: query: %s", __func__, query );
|
||||
|
||||
MutexLock ml( &m_dbMutex );
|
||||
PGresult* result = PQexec( m_pgconn, query );
|
||||
int nTuples = PQntuples( result );
|
||||
assert( nTuples <= 1 );
|
||||
|
||||
bool found = nTuples == 1;
|
||||
if ( found ) {
|
||||
*msgID = atoi( PQgetvalue( result, 0, 0 ) );
|
||||
|
||||
/* int len = PQgetlength( result, 0, 1 ); */
|
||||
const unsigned char* from =
|
||||
(const unsigned char* )PQgetvalue( result, 0, 1 );
|
||||
size_t to_length;
|
||||
unsigned char* bytes = PQunescapeBytea( from, &to_length );
|
||||
assert( to_length <= *buflen );
|
||||
memcpy( buf, bytes, to_length );
|
||||
PQfreemem( bytes );
|
||||
*buflen = to_length;
|
||||
}
|
||||
PQclear( result );
|
||||
return found;
|
||||
}
|
||||
|
||||
void
|
||||
DBMgr::RemoveStoredMessage( int msgID )
|
||||
{
|
||||
const char* fmt = "DELETE from " MSGS_TABLE " WHERE id = %d";
|
||||
char query[256];
|
||||
snprintf( query, sizeof(query), fmt, msgID );
|
||||
logf( XW_LOGINFO, "%s: query: %s", __func__, query );
|
||||
|
||||
execSql( query );
|
||||
}
|
||||
|
||||
/*
|
||||
Schema:
|
||||
CREATE TABLE games (
|
||||
|
@ -308,7 +402,7 @@ sumArray( const char* const arrStr )
|
|||
room VARCHAR(32),
|
||||
connName VARCHAR(64) UNIQUE PRIMARY KEY,
|
||||
nTotal INTEGER,
|
||||
nJoined INTEGER,
|
||||
nPerDevice INTEGER[],
|
||||
lang INTEGER,
|
||||
ctime TIMESTAMP,
|
||||
mtime TIMESTAMP
|
||||
|
|
|
@ -57,6 +57,15 @@ class DBMgr {
|
|||
queries.*/
|
||||
void PublicRooms( int lang, int nPlayers, int* nNames, string& names );
|
||||
|
||||
/* message storage -- different DB */
|
||||
int CountStoredMessages( const char* const connName );
|
||||
void StoreMessage( const char* const connName, int hid,
|
||||
const unsigned char* const buf, int len );
|
||||
bool GetStoredMessage( const char* const connName, int hid,
|
||||
unsigned char* buf, size_t* buflen, int* msgID );
|
||||
void RemoveStoredMessage( int msgID );
|
||||
|
||||
|
||||
private:
|
||||
DBMgr();
|
||||
void execSql( const char* query ); /* no-results query */
|
||||
|
|
Loading…
Add table
Reference in a new issue