From caeb73a2cdf6db24490bbe3657372fb1ba52b78e Mon Sep 17 00:00:00 2001
From: Matthias Schiffer <matthias@gamezock.de>
Date: Wed, 15 Jul 2009 23:11:54 +0200
Subject: =?UTF-8?q?UserManager=20=C3=BCberarbeitet=20UserConfigBackend=20e?=
 =?UTF-8?q?ingef=C3=BChrt?=
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---
 src/Common/UserManager.h | 51 ++++++++++++++++++++++++++++++++++++------------
 1 file changed, 39 insertions(+), 12 deletions(-)

(limited to 'src/Common/UserManager.h')

diff --git a/src/Common/UserManager.h b/src/Common/UserManager.h
index d2529e7..5cf14db 100644
--- a/src/Common/UserManager.h
+++ b/src/Common/UserManager.h
@@ -35,38 +35,65 @@ namespace Mad {
 namespace Common {
 
 class Application;
-class UserBackend;
+class UserConfigBackend;
+class UserDBBackend;
 class UserCache;
 
 class UserManager : private boost::noncopyable {
   private:
     friend class Application;
 
-    struct Compare {
-      bool operator() (boost::shared_ptr<UserBackend> b1, boost::shared_ptr<UserBackend> b2);
-    };
-
-    typedef std::map<boost::shared_ptr<UserBackend>, boost::shared_ptr<UserBackend>, Compare> BackendMap;
+    typedef std::map<boost::shared_ptr<UserDBBackend>, std::pair<boost::shared_ptr<UserDBBackend>, std::string> > BackendMap;
 
     Application *application;
 
-    BackendMap backends;
+    std::set<boost::shared_ptr<UserConfigBackend> > configBackends;
+
+    BackendMap dbBackends;
+    std::map<std::string, boost::shared_ptr<UserDBBackend> > dbBackendNames;
+
+    boost::shared_ptr<UserDBBackend> dbBackend;
 
     boost::shared_mutex mutex;
 
     UserManager(Application *application0) : application(application0) {}
 
   public:
-    void registerBackend(boost::shared_ptr<UserBackend> backend) {
+    void registerBackend(boost::shared_ptr<UserDBBackend> backend);
+    void registerBackendCached(boost::shared_ptr<UserDBBackend> backend);
+
+    void unregisterBackend(boost::shared_ptr<UserDBBackend> backend) {
       boost::lock_guard<boost::shared_mutex> lock(mutex);
-      backends.insert(std::make_pair(backend, backend));
+
+      BackendMap::iterator it = dbBackends.find(backend);
+      if(it == dbBackends.end())
+        return;
+
+      boost::shared_ptr<UserDBBackend> oldBackend = it->second.first;
+
+      std::map<std::string, boost::shared_ptr<UserDBBackend> >::iterator it2 = dbBackendNames.find(it->second.second);
+      if(it2->second == backend)
+        dbBackendNames.erase(it2);
+
+      dbBackends.erase(it);
+
+      if(dbBackend == oldBackend) {
+        if(dbBackends.empty())
+          dbBackend.reset();
+        else
+          dbBackend = dbBackends.begin()->second.first;
+      }
     }
 
-    void registerBackendCached(boost::shared_ptr<UserBackend> backend);
 
-    void unregisterBackend(boost::shared_ptr<UserBackend> backend) {
+    void registerBackend(boost::shared_ptr<UserConfigBackend> backend) {
+      boost::lock_guard<boost::shared_mutex> lock(mutex);
+      configBackends.insert(backend);
+    }
+
+    void unregisterBackend(boost::shared_ptr<UserConfigBackend> backend) {
       boost::lock_guard<boost::shared_mutex> lock(mutex);
-      backends.erase(backend);
+      configBackends.erase(backend);
     }
 
     boost::shared_ptr<const std::map<unsigned long, UserInfo> > getUserList(boost::posix_time::ptime *timestamp = 0) throw(Core::Exception);
-- 
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