]> git.netwichtig.de Git - user/henk/code/inspircd.git/blobdiff - src/modules/extra/m_mssql.cpp
Replace std::deque with std::vector in spanningtree and related modules
[user/henk/code/inspircd.git] / src / modules / extra / m_mssql.cpp
index 7515570a92f76628e0cbecfe9a19e6ed06f996a9..9cc7a567c80afaf5153e563fbfcdb0c45f5b961b 100644 (file)
@@ -27,8 +27,6 @@
 
 class SQLConn;
 class MsSQLResult;
-class ResultNotifier;
-class MsSQLListener;
 class ModuleMsSQL;
 
 typedef std::map<std::string, SQLConn*> ConnMap;
@@ -45,86 +43,25 @@ unsigned long count(const char * const str, char a)
        return n;
 }
 
-ResultNotifier* notifier = NULL;
-MsSQLListener* listener = NULL;
-int QueueFD = -1;
-
 ConnMap connections;
-Mutex* QueueMutex;
 Mutex* ResultsMutex;
 Mutex* LoggingMutex;
 
-class QueryThread : public Thread
+class QueryThread : public SocketThread
 {
   private:
        ModuleMsSQL* Parent;
        InspIRCd* ServerInstance;
   public:
        QueryThread(InspIRCd* si, ModuleMsSQL* mod)
-       : Thread(), Parent(mod), ServerInstance(si)
+       : SocketThread(si), Parent(mod), ServerInstance(si)
        {
        }
        ~QueryThread() { }
        virtual void Run();
+       virtual void OnNotify();
 };
 
-class ResultNotifier : public BufferedSocket
-{
-       ModuleMsSQL* mod;
-
- public:
-       ResultNotifier(ModuleMsSQL* m, InspIRCd* SI, int newfd, char* ip) : BufferedSocket(SI, newfd, ip), mod(m)
-       {
-       }
-
-       virtual bool OnDataReady()
-       {
-               char data = 0;
-               if (ServerInstance->SE->Recv(this, &data, 1, 0) > 0)
-               {
-                       Dispatch();
-                       return true;
-               }
-               return false;
-       }
-
-       void Dispatch();
-};
-
-class MsSQLListener : public ListenSocketBase
-{
-       ModuleMsSQL* Parent;
-       irc::sockets::insp_sockaddr sock_us;
-       socklen_t uslen;
-       FileReader* index;
-
- public:
-       MsSQLListener(ModuleMsSQL* P, InspIRCd* Instance, int port, const std::string &addr) : ListenSocketBase(Instance, port, addr), Parent(P)
-       {
-               uslen = sizeof(sock_us);
-               if (getsockname(this->fd,(sockaddr*)&sock_us,&uslen))
-               {
-                       throw ModuleException("Could not getsockname() to find out port number for ITC port");
-               }
-       }
-
-       virtual void OnAcceptReady(const std::string &ipconnectedto, int nfd, const std::string &incomingip)
-       {
-               new ResultNotifier(this->Parent, this->ServerInstance, nfd, (char *)ipconnectedto.c_str()); // XXX unsafe casts suck
-       }
-
-       /* Using getsockname and ntohs, we can determine which port number we were allocated */
-       int GetPort()
-       {
-#ifdef IPV6
-               return ntohs(sock_us.sin6_port);
-#else
-               return ntohs(sock_us.sin_port);
-#endif
-       }
-};
-
-
 class MsSQLResult : public SQLresult
 {
  private:
@@ -289,8 +226,6 @@ class MsSQLResult : public SQLresult
        {
                delete fl;
        }
-
-
 };
 
 class SQLConn : public classbase
@@ -569,7 +504,6 @@ class SQLConn : public classbase
                ResultsMutex->Lock();
                results.push_back(res);
                ResultsMutex->Unlock();
-               SendNotify();
                return SQLerror();
        }
 
@@ -693,40 +627,6 @@ class SQLConn : public classbase
                }
        }
 
-       void SendNotify()
-       {
-               if (QueueFD < 0)
-               {
-                       if ((QueueFD = socket(AF_FAMILY, SOCK_STREAM, 0)) == -1)
-                       {
-                               /* crap, we're out of sockets... */
-                               return;
-                       }
-
-                       irc::sockets::insp_sockaddr addr;
-
-#ifdef IPV6
-                       irc::sockets::insp_aton("::1", &addr.sin6_addr);
-                       addr.sin6_family = AF_FAMILY;
-                       addr.sin6_port = htons(listener->GetPort());
-#else
-                       irc::sockets::insp_inaddr ia;
-                       irc::sockets::insp_aton("127.0.0.1", &ia);
-                       addr.sin_family = AF_FAMILY;
-                       addr.sin_addr = ia;
-                       addr.sin_port = htons(listener->GetPort());
-#endif
-
-                       if (connect(QueueFD, (sockaddr*)&addr,sizeof(addr)) == -1)
-                       {
-                               /* wtf, we cant connect to it, but we just created it! */
-                               return;
-                       }
-               }
-               char id = 0;
-               send(QueueFD, &id, 1, 0);
-       }
-
        void DoLeadingQuery()
        {
                SQLrequest& req = queue.front();
@@ -746,9 +646,8 @@ class ModuleMsSQL : public Module
        ModuleMsSQL(InspIRCd* Me)
        : Module(Me), currid(0)
        {
-               LoggingMutex = ServerInstance->Mutexes->CreateMutex();
-               ResultsMutex = ServerInstance->Mutexes->CreateMutex();
-               QueueMutex = ServerInstance->Mutexes->CreateMutex();
+               LoggingMutex = new Mutex();
+               ResultsMutex = new Mutex();
 
                ServerInstance->Modules->UseInterface("SQLutils");
 
@@ -757,25 +656,6 @@ class ModuleMsSQL : public Module
                        throw ModuleException("m_mssql: Unable to publish feature 'SQL'");
                }
 
-               /* Create a socket on a random port. Let the tcp stack allocate us an available port */
-#ifdef IPV6
-               listener = new MsSQLListener(this, ServerInstance, 0, "::1");
-#else
-               listener = new MsSQLListener(this, ServerInstance, 0, "127.0.0.1");
-#endif
-
-               if (listener->GetFd() == -1)
-               {
-                       ServerInstance->Modules->DoneWithInterface("SQLutils");
-                       throw ModuleException("m_mssql: unable to create ITC pipe");
-               }
-               else
-               {
-                       LoggingMutex->Lock();
-                       ServerInstance->Logs->Log("m_mssql", DEBUG, "MsSQL: Interthread comms port is %d", listener->GetPort());
-                       LoggingMutex->Unlock();
-               }
-
                ReadConf();
 
                queryDispatcher = new QueryThread(ServerInstance, this);
@@ -788,36 +668,19 @@ class ModuleMsSQL : public Module
 
        virtual ~ModuleMsSQL()
        {
+               queryDispatcher->join();
                delete queryDispatcher;
                ClearQueue();
                ClearAllConnections();
 
-               ServerInstance->SE->DelFd(listener);
-               ServerInstance->BufferedSocketCull();
-
-               if (QueueFD >= 0)
-               {
-                       shutdown(QueueFD, 2);
-                       close(QueueFD);
-               }
-
-               if (notifier)
-               {
-                       ServerInstance->SE->DelFd(notifier);
-                       notifier->Close();
-                       ServerInstance->BufferedSocketCull();
-               }
-
                ServerInstance->Modules->UnpublishInterface("SQL", this);
                ServerInstance->Modules->UnpublishFeature("SQL");
                ServerInstance->Modules->DoneWithInterface("SQLutils");
 
                delete LoggingMutex;
                delete ResultsMutex;
-               delete QueueMutex;
        }
 
-
        void SendQueue()
        {
                for (ConnMap::iterator iter = connections.begin(); iter != connections.end(); iter++)
@@ -927,11 +790,11 @@ class ModuleMsSQL : public Module
                }
        }
 
-       virtual void OnRehash(User* user, const std::string &parameter)
+       virtual void OnRehash(User* user)
        {
-               QueueMutex->Lock();
+               queryDispatcher->LockQueue();
                ReadConf();
-               QueueMutex->Unlock();
+               queryDispatcher->UnlockQueueWakeup();
        }
 
        virtual const char* OnRequest(Request* request)
@@ -940,7 +803,7 @@ class ModuleMsSQL : public Module
                {
                        SQLrequest* req = (SQLrequest*)request;
 
-                       QueueMutex->Lock();
+                       queryDispatcher->LockQueue();
 
                        ConnMap::iterator iter;
 
@@ -957,7 +820,7 @@ class ModuleMsSQL : public Module
                                req->error.Id(SQL_BAD_DBID);
                        }
 
-                       QueueMutex->Unlock();
+                       queryDispatcher->UnlockQueueWakeup();
 
                        return returnval;
                }
@@ -979,17 +842,17 @@ class ModuleMsSQL : public Module
 
 };
 
-void ResultNotifier::Dispatch()
+void QueryThread::OnNotify()
 {
-       mod->SendQueue();
+       Parent->SendQueue();
 }
 
 void QueryThread::Run()
 {
+       this->LockQueue();
        while (this->GetExitFlag() == false)
        {
                SQLConn* conn = NULL;
-               QueueMutex->Lock();
                for (ConnMap::iterator i = connections.begin(); i != connections.end(); i++)
                {
                        if (i->second->queue.totalsize())
@@ -998,16 +861,20 @@ void QueryThread::Run()
                                break;
                        }
                }
-               QueueMutex->Unlock();
                if (conn)
                {
+                       this->UnlockQueue();
                        conn->DoLeadingQuery();
-                       QueueMutex->Lock();
+                       this->NotifyParent();
+                       this->LockQueue();
                        conn->queue.pop();
-                       QueueMutex->Unlock();
                }
-               usleep(1000);
+               else
+               {
+                       this->WaitForQueue();
+               }
        }
+       this->UnlockQueue();
 }
 
 MODULE_INIT(ModuleMsSQL)