From feca7345dcf8f1f6f82070c0f7f5a3837e99d561 Mon Sep 17 00:00:00 2001
From: Andy2 <andy2@trand.private.network>
Date: Mon, 15 Nov 2010 06:48:36 -0800
Subject: [PATCH] add GameFull -- database, not in-memory state, knows if game
 is full.

---
 xwords4/relay/dbmgr.cpp | 17 +++++++++++++++++
 xwords4/relay/dbmgr.h   |  1 +
 2 files changed, 18 insertions(+)

diff --git a/xwords4/relay/dbmgr.cpp b/xwords4/relay/dbmgr.cpp
index eb3981804..4b0f69efd 100644
--- a/xwords4/relay/dbmgr.cpp
+++ b/xwords4/relay/dbmgr.cpp
@@ -173,6 +173,23 @@ DBMgr::FindOpen( const char* cookie, int lang, int nPlayersT, int nPlayersH,
     return cid;
 } /* FindOpen */
 
+bool
+DBMgr::GameFull( const char* const connName )
+{
+    const char* cmd = "SELECT ntotal=sum_array(nperdevice) from " GAMES_TABLE
+        " WHERE connName='%s'";
+    char query[256];
+    snprintf( query, sizeof(query), cmd, connName );
+    logf( XW_LOGINFO, "query: %s", query );
+
+    PGresult* result = PQexec( getThreadConn(), query );
+    int nTuples = PQntuples( result );
+    assert( nTuples <= 1 );
+    bool full = 't' == PQgetvalue( result, 0, 0 )[0];
+    PQclear( result );
+    return full;
+}
+
 HostID
 DBMgr::AddDevice( const char* connName, HostID curID, int nToAdd, 
                   unsigned short seed )
diff --git a/xwords4/relay/dbmgr.h b/xwords4/relay/dbmgr.h
index 6a354cdd2..7d778a46e 100644
--- a/xwords4/relay/dbmgr.h
+++ b/xwords4/relay/dbmgr.h
@@ -46,6 +46,7 @@ class DBMgr {
     CookieID FindOpen( const char* cookie, int lang, int nPlayersT, 
                        int nPlayersH, bool wantsPublic, 
                        char* connNameBuf, int bufLen, int* nPlayersHP );
+    bool GameFull( const char* const connName );
 
     HostID AddDevice( const char* const connName, HostID curID,
                       int nToAdd, unsigned short seed );