dont add cmd to arglist
[enigma2.git] / lib / base / ebase.cpp
index 00ecb345128c8bccd5b2b3a740f2fe764617e4b2..bd2ec589227946199b60071faf4ab4617dc850ba 100644 (file)
@@ -6,10 +6,13 @@
 
 #include <lib/base/eerror.h>
 #include <lib/base/elock.h>
+#include <lib/gdi/grc.h>
+
+DEFINE_REF(eSocketNotifier);
 
 eSocketNotifier::eSocketNotifier(eMainloop *context, int fd, int requested, bool startnow): context(*context), fd(fd), state(0), requested(requested)
 {
-       if (startnow)   
+       if (startnow)
                start();
 }
 
@@ -24,18 +27,20 @@ void eSocketNotifier::start()
                stop();
 
        context.addSocketNotifier(this);
-       state=1;
+       state=2;  // running but not in poll yet
 }
 
 void eSocketNotifier::stop()
 {
        if (state)
+       {
+               state=0;
                context.removeSocketNotifier(this);
-
-       state=0;
+       }
 }
 
-                                       // timer
+DEFINE_REF(eTimer);
+
 void eTimer::start(long msek, bool singleShot)
 {
        if (bActive)
@@ -44,10 +49,10 @@ void eTimer::start(long msek, bool singleShot)
        bActive = true;
        bSingleShot = singleShot;
        interval = msek;
-       gettimeofday(&nextActivation, 0);
-//     eDebug("this = %p\nnow sec = %d, usec = %d\nadd %d msec", this, nextActivation.tv_sec, nextActivation.tv_usec, msek);
+       clock_gettime(CLOCK_MONOTONIC, &nextActivation);
+//     eDebug("this = %p\nnow sec = %d, nsec = %d\nadd %d msec", this, nextActivation.tv_sec, nextActivation.tv_nsec, msek);
        nextActivation += (msek<0 ? 0 : msek);
-//     eDebug("next Activation sec = %d, usec = %d", nextActivation.tv_sec, nextActivation.tv_usec );
+//     eDebug("next Activation sec = %d, nsec = %d", nextActivation.tv_sec, nextActivation.tv_nsec );
        context.addTimer(this);
 }
 
@@ -58,11 +63,11 @@ void eTimer::startLongTimer( int seconds )
 
        bActive = bSingleShot = true;
        interval = 0;
-       gettimeofday(&nextActivation, 0);
-//     eDebug("this = %p\nnow sec = %d, usec = %d\nadd %d sec", this, nextActivation.tv_sec, nextActivation.tv_usec, seconds);
+       clock_gettime(CLOCK_MONOTONIC, &nextActivation);
+//     eDebug("this = %p\nnow sec = %d, nsec = %d\nadd %d sec", this, nextActivation.tv_sec, nextActivation.tv_nsec, seconds);
        if ( seconds > 0 )
                nextActivation.tv_sec += seconds;
-//     eDebug("next Activation sec = %d, usec = %d", nextActivation.tv_sec, nextActivation.tv_usec );
+//     eDebug("next Activation sec = %d, nsec = %d", nextActivation.tv_sec, nextActivation.tv_nsec );
        context.addTimer(this);
 }
 
@@ -106,195 +111,174 @@ void eTimer::activate()   // Internal Funktion... called from eApplication
        /*emit*/ timeout();
 }
 
-void eTimer::addTimeOffset( int offset )
-{
-       nextActivation.tv_sec += offset;
-}
-
 // mainloop
 ePtrList<eMainloop> eMainloop::existing_loops;
 
+eMainloop::~eMainloop()
+{
+       existing_loops.remove(this);
+       for (std::map<int, eSocketNotifier*>::iterator it(notifiers.begin());it != notifiers.end();++it)
+               it->second->stop();
+       while(m_timer_list.begin() != m_timer_list.end())
+               m_timer_list.begin()->stop();
+}
+
 void eMainloop::addSocketNotifier(eSocketNotifier *sn)
 {
-       notifiers.insert(std::pair<int,eSocketNotifier*> (sn->getFD(), sn));
+       int fd = sn->getFD();
+       ASSERT(notifiers.find(fd) == notifiers.end());
+       notifiers[fd]=sn;
 }
 
 void eMainloop::removeSocketNotifier(eSocketNotifier *sn)
 {
-       for (std::multimap<int,eSocketNotifier*>::iterator i = notifiers.find(sn->getFD());
-                       i != notifiers.end();
-                       ++i)
-               if (i->second == sn)
-                       return notifiers.erase(i);
-       eFatal("removed socket notifier which is not present");
+       int fd = sn->getFD();
+       std::map<int,eSocketNotifier*>::iterator i(notifiers.find(fd));
+       if (i != notifiers.end())
+       {
+               notifiers.erase(i);
+               return;
+       }
+       for (i = notifiers.begin(); i != notifiers.end(); ++i)
+               eDebug("fd=%d, sn=%d", i->second->getFD(), (void*)i->second);
+       eFatal("removed socket notifier which is not present, fd=%d", fd);
 }
 
-int eMainloop::processOneEvent(unsigned int user_timeout, PyObject **res, PyObject *additional)
+int eMainloop::processOneEvent(unsigned int twisted_timeout, PyObject **res, ePyObject additional)
 {
        int return_reason = 0;
                /* get current time */
-       timeval now;
-       gettimeofday(&now, 0);
-       m_now_is_invalid = 0;
-       
+
        if (additional && !PyDict_Check(additional))
                eFatal("additional, but it's not dict");
-       
+
        if (additional && !res)
                eFatal("additional, but no res");
-       
-       int poll_timeout = -1; /* infinite in case of empty timer list */
-       
-       if (m_timer_list)
+
+       long poll_timeout = -1; /* infinite in case of empty timer list */
+
+       if (!m_timer_list.empty())
        {
-               singleLock s(recalcLock);
-               poll_timeout = timeval_to_usec(m_timer_list.begin()->getNextActivation() - now);
-                       /* if current timer already passed, don't delay infinite. */
+               /* process all timers which are ready. first remove them out of the list. */
+               while (!m_timer_list.empty() && (poll_timeout = timeout_usec( m_timer_list.begin()->getNextActivation() ) ) <= 0 )
+               {
+                       eTimer *tmr = m_timer_list.begin();
+                       tmr->AddRef();
+                       tmr->activate();
+                       tmr->Release();
+               }
                if (poll_timeout < 0)
                        poll_timeout = 0;
-                       
-                       /* convert us to ms */
-               poll_timeout /= 1000;
+               else /* convert us to ms */
+                       poll_timeout /= 1000;
        }
-       
-       if ((user_timeout > 0) && (poll_timeout > user_timeout))
+
+       if ((twisted_timeout > 0) && (poll_timeout > 0) && ((unsigned int)poll_timeout > twisted_timeout))
        {
-               poll_timeout = user_timeout;
+               poll_timeout = twisted_timeout;
                return_reason = 1;
        }
-       
-       int ret = 0;
-       
-       
-       if (poll_timeout)
+
+       int nativecount=notifiers.size(),
+               fdcount=nativecount,
+               ret=0;
+
+       if (additional)
+               fdcount += PyDict_Size(additional);
+
+               // build the poll aray
+       pollfd pfd[fdcount];  // make new pollfd array
+       std::map<int,eSocketNotifier*>::iterator it = notifiers.begin();
+
+       int i=0;
+       for (; i < nativecount; ++i, ++it)
        {
-               std::multimap<int,eSocketNotifier*>::iterator it;
-               std::map<int,int> fd_merged;
-               std::map<int,int>::const_iterator fd_merged_it;
-               
-               for (it = notifiers.begin(); it != notifiers.end(); ++it)
-                       fd_merged[it->first] |= it->second->getRequested();
-               
-               fd_merged_it = fd_merged.begin();
-               
-               int nativecount, fdcount;
-               
-               nativecount = fdcount = fd_merged.size();
-               
-               if (additional) 
-               {
-                       additional = PyDict_Items(additional);
-                       fdcount += PyList_Size(additional);
-               }
+               it->second->state = 1; // running and in poll
+               pfd[i].fd = it->first;
+               pfd[i].events = it->second->getRequested();
+       }
 
-                       // build the poll aray
-               pollfd* pfd = new pollfd[fdcount];  // make new pollfd array
-               
-               for (int i=0; i < nativecount; i++, fd_merged_it++)
-               {
-                       pfd[i].fd = fd_merged_it->first;
-                       pfd[i].events = fd_merged_it->second;
-               }
-               
-               if (additional)
-               {
-                       for (int i=0; i < PyList_Size(additional); ++i)
-                       {
-                               PyObject *it = PyList_GET_ITEM(additional, i);
-                               if (!PyTuple_Check(it))
-                                       eFatal("poll item is not a tuple");
-                               if (PyTuple_Size(it) != 2)
-                                       eFatal("poll tuple size is not 2");
-                               int fd = PyObject_AsFileDescriptor(PyTuple_GET_ITEM(it, 0));
-                               if (fd == -1)
-                                       eFatal("poll tuple not a filedescriptor");
-                               pfd[nativecount + i].fd = fd;
-                               pfd[nativecount + i].events = PyInt_AsLong(PyTuple_GET_ITEM(it, 1));
-                       }
+       if (additional)
+       {
+#if PY_VERSION_HEX < 0x02050000 && !defined(PY_SSIZE_T_MIN)
+               typedef int Py_ssize_t;
+# define PY_SSIZE_T_MAX INT_MAX
+# define PY_SSIZE_T_MIN INT_MIN
+#endif
+               PyObject *key, *val;
+               Py_ssize_t pos=0;
+               while (PyDict_Next(additional, &pos, &key, &val)) {
+                       pfd[i].fd = PyObject_AsFileDescriptor(key);
+                       pfd[i++].events = PyInt_AsLong(val);
                }
+       }
 
+       m_is_idle = 1;
+
+       if (this == eApp)
+       {
+               gOpcode op;
+               op.dc = 0;
+               op.opcode = gOpcode::flush;
+               gRC::getInstance()->submit(op);
+               Py_BEGIN_ALLOW_THREADS
                ret = ::poll(pfd, fdcount, poll_timeout);
+               Py_END_ALLOW_THREADS
                
+       } else
+               ret = ::poll(pfd, fdcount, poll_timeout);
+
+       m_is_idle = 0;
+
                        /* ret > 0 means that there are some active poll entries. */
-               if (ret > 0)
+       if (ret > 0)
+       {
+               int i=0;
+               return_reason = 0;
+               for (; i < nativecount; ++i)
                {
-                       return_reason = 0;
-                       for (int i=0; i < nativecount ; i++)
+                       if (pfd[i].revents)
                        {
-                               it = notifiers.begin();
-                               
-                               int handled = 0;
-                               
-                               std::multimap<int,eSocketNotifier*>::iterator 
-                                       l = notifiers.lower_bound(pfd[i].fd),
-                                       u = notifiers.upper_bound(pfd[i].fd);
-                               
-                               ePtrList<eSocketNotifier> n;
-                               
-                               for (; l != u; ++l)
-                                       n.push_back(l->second);
-                               
-                               for (ePtrList<eSocketNotifier>::iterator li(n.begin()); li != n.end(); ++li)
+                               it = notifiers.find(pfd[i].fd);
+                               if (it != notifiers.end()
+                                       && it->second->state == 1) // added and in poll
                                {
-                                       int req = li->getRequested();
-                                       
-                                       handled |= req;
-                               
-                                       if (pfd[i].revents & req)
-                                               (*li)->activate(pfd[i].revents);
+                                       eSocketNotifier *sn = it->second;
+                                       int req = sn->getRequested();
+                                       if (pfd[i].revents & req) {
+                                               sn->AddRef();
+                                               sn->activate(pfd[i].revents & req);
+                                               sn->Release();
+                                       }
+                                       pfd[i].revents &= ~req;
                                }
-                               if ((pfd[i].revents&~handled) & (POLLERR|POLLHUP|POLLNVAL))
+                               if (pfd[i].revents & (POLLERR|POLLHUP|POLLNVAL))
                                        eDebug("poll: unhandled POLLERR/HUP/NVAL for fd %d(%d)", pfd[i].fd, pfd[i].revents);
                        }
-                       
-                       for (int i = nativecount; i < fdcount; ++i)
-                       {
-                               if (pfd[i].revents)
-                               {
-                                       if (!*res)
-                                               *res = PyList_New(0);
-                                       PyObject *it = PyTuple_New(2);
-                                       PyTuple_SET_ITEM(it, 0, PyInt_FromLong(pfd[i].fd));
-                                       PyTuple_SET_ITEM(it, 1, PyInt_FromLong(pfd[i].revents));
-                                       PyList_Append(*res, it);
-                                       Py_DECREF(it);
-                               }
-                       }
-                       
-                       ret = 1; /* poll did not timeout. */
-               } else if (ret < 0)
+               }
+               for (; i < fdcount; ++i)
                {
-                               /* when we got a signal, we get EINTR. */
-                       if (errno != EINTR)
-                               eDebug("poll made error (%m)");
-                       else
+                       if (pfd[i].revents)
                        {
-                               return_reason = 2;
-                               ret = -1; /* don't assume the timeout has passed when we got a signal */
+                               if (!*res)
+                                       *res = PyList_New(0);
+                               ePyObject it = PyTuple_New(2);
+                               PyTuple_SET_ITEM(it, 0, PyInt_FromLong(pfd[i].fd));
+                               PyTuple_SET_ITEM(it, 1, PyInt_FromLong(pfd[i].revents));
+                               PyList_Append(*res, it);
+                               Py_DECREF(it);
                        }
                }
-               delete [] pfd;
-               Py_XDECREF(additional);
        }
-       
-               /* when we not processed anything, check timers. */
-       if (!ret)
+       else if (ret < 0)
        {
-                       /* we know that this time has passed. */
-               now += poll_timeout;
-               
-               singleLock s(recalcLock);
-
-                       /* this will never change while we have the recalcLock */
-                       /* we can savely return here, the timer will be re-checked soon. */
-               if (m_now_is_invalid)
-                       return 0;
-
-                       /* process all timers which are ready. first remove them out of the list. */
-               while ((!m_timer_list.empty()) && (m_timer_list.begin()->getNextActivation() <= now))
-                       m_timer_list.begin()->activate();
+                       /* when we got a signal, we get EINTR. */
+               if (errno != EINTR)
+                       eDebug("poll made error (%m)");
+               else
+                       return_reason = 2; /* don't assume the timeout has passed when we got a signal */
        }
-       
+
        return return_reason;
 }
 
@@ -308,18 +292,41 @@ void eMainloop::removeTimer(eTimer* e)
        m_timer_list.remove(e);
 }
 
-int eMainloop::iterate(unsigned int user_timeout, PyObject **res, PyObject *dict)
+int eMainloop::iterate(unsigned int twisted_timeout, PyObject **res, ePyObject dict)
 {
        int ret = 0;
-       
+
+       if (twisted_timeout)
+       {
+               clock_gettime(CLOCK_MONOTONIC, &m_twisted_timer);
+               m_twisted_timer += twisted_timeout;
+       }
+
+               /* TODO: this code just became ugly. fix that. */
        do
-       { 
-               if (app_quit_now) return -1;
-               ret = processOneEvent(user_timeout, res, dict);
-               if (res && *res)
-                       return ret;
-       } while (ret == 0);
-       
+       {
+               if (m_interrupt_requested)
+               {
+                       m_interrupt_requested = 0;
+                       return 0;
+               }
+
+               if (app_quit_now)
+                       return -1;
+
+               int to = 0;
+               if (twisted_timeout)
+               {
+                       timespec now, timeout;
+                       clock_gettime(CLOCK_MONOTONIC, &now);
+                       if (m_twisted_timer<=now) // timeout
+                               return 0;
+                       timeout = m_twisted_timer - now;
+                       to = timeout.tv_sec * 1000 + timeout.tv_nsec / 1000000;
+               }
+               ret = processOneEvent(to, res, dict);
+       } while ( !ret && !(res && *res) );
+
        return ret;
 }
 
@@ -330,17 +337,30 @@ int eMainloop::runLoop()
        return retval;
 }
 
-PyObject *eMainloop::poll(PyObject *timeout, PyObject *dict)
+void eMainloop::reset()
+{
+       app_quit_now=false;
+}
+
+PyObject *eMainloop::poll(ePyObject timeout, ePyObject dict)
+{
+       PyObject *res=0;
+
+       if (app_quit_now)
+               Py_RETURN_NONE;
+
+       int twisted_timeout = (timeout == Py_None) ? 0 : PyInt_AsLong(timeout);
+
+       iterate(twisted_timeout, &res, dict);
+       if (res)
+               return res;
+
+       return PyList_New(0); /* return empty list on timeout */
+}
+
+void eMainloop::interruptPoll()
 {
-       PyObject *res = 0;
-       int user_timeout = (timeout == Py_None) ? 0 : PyInt_AsLong(timeout);
-       
-       iterate(user_timeout, &res, dict);
-       
-       if (!res) /* return empty list on timeout */
-               res = PyList_New(0);
-       
-       return res;
+       m_interrupt_requested = 1;
 }
 
 void eMainloop::quit(int ret)
@@ -349,16 +369,426 @@ void eMainloop::quit(int ret)
        app_quit_now = true;
 }
 
-void eMainloop::addTimeOffset(int offset)
+eApplication* eApp = 0;
+
+#include "structmember.h"
+
+extern "C" {
+
+// eTimer replacement
+
+struct eTimerPy
+{
+       PyObject_HEAD
+       eTimer *tm;
+       PyObject *in_weakreflist; /* List of weak references */
+};
+
+static int
+eTimerPy_traverse(eTimerPy *self, visitproc visit, void *arg)
 {
-       for (ePtrList<eMainloop>::iterator it(eMainloop::existing_loops)
-               ;it != eMainloop::existing_loops.end(); ++it)
+       PyObject *obj = self->tm->timeout.getSteal();
+       if (obj) {
+               Py_VISIT(obj);
+       }
+       return 0;
+}
+
+static int
+eTimerPy_clear(eTimerPy *self)
+{
+       PyObject *obj = self->tm->timeout.getSteal(true);
+       if (obj)
+               Py_CLEAR(obj);
+       return 0;
+}
+
+static void
+eTimerPy_dealloc(eTimerPy* self)
+{
+       if (self->in_weakreflist != NULL)
+               PyObject_ClearWeakRefs((PyObject *) self);
+       eTimerPy_clear(self);
+       self->tm->Release();
+       self->ob_type->tp_free((PyObject*)self);
+}
+
+static PyObject *
+eTimerPy_new(PyTypeObject *type, PyObject *args, PyObject *kwds)
+{
+       eTimerPy *self = (eTimerPy *)type->tp_alloc(type, 0);
+       self->tm = eTimer::create(eApp);
+       self->tm->AddRef();
+       self->in_weakreflist = NULL;
+       return (PyObject *)self;
+}
+
+static PyObject *
+eTimerPy_is_active(eTimerPy* self)
+{
+       PyObject *ret = NULL;
+       ret = self->tm->isActive() ? Py_True : Py_False;
+       Org_Py_INCREF(ret);
+       return ret;
+}
+
+static PyObject *
+eTimerPy_start(eTimerPy* self, PyObject *args)
+{
+       long v=0;
+       long singleShot=0;
+       if (PyTuple_Size(args) > 1)
        {
-               singleLock s(it->recalcLock);
-               it->m_now_is_invalid = 1;
-               for (ePtrList<eTimer>::iterator tit = it->m_timer_list.begin(); tit != it->m_timer_list.end(); ++tit )
-                       tit->addTimeOffset(offset);
+               if (!PyArg_ParseTuple(args, "ll", &v, &singleShot)) // when 2nd arg is a value
+               {
+                       PyObject *obj=0;
+                       if (!PyArg_ParseTuple(args, "lO", &v, &obj)) // get 2nd arg as python object
+                               return NULL;
+                       else if (obj == Py_True)
+                               singleShot=1;
+                       else if (obj != Py_False)
+                               return NULL;
+               }
        }
+       else if (!PyArg_ParseTuple(args, "l", &v))
+               return NULL;
+       self->tm->start(v, singleShot);
+       Py_RETURN_NONE;
 }
 
-eApplication* eApp = 0;
+static PyObject *
+eTimerPy_start_long(eTimerPy* self, PyObject *args)
+{
+       int v=0;
+       if (!PyArg_ParseTuple(args, "i", &v)) {
+               return NULL;
+       }
+       self->tm->startLongTimer(v);
+       Py_RETURN_NONE;
+}
+
+static PyObject *
+eTimerPy_change_interval(eTimerPy* self, PyObject *args)
+{
+       long v=0;
+       if (!PyArg_ParseTuple(args, "l", &v)) {
+               return NULL;
+       }
+       self->tm->changeInterval(v);
+       Py_RETURN_NONE;
+}
+
+static PyObject *
+eTimerPy_stop(eTimerPy* self)
+{
+       self->tm->stop();
+       Py_RETURN_NONE;
+}
+
+static PyObject *
+eTimerPy_get_callback_list(eTimerPy *self)
+{ //used for compatibilty with the old eTimer
+       return self->tm->timeout.get();
+}
+
+static PyMethodDef eTimerPy_methods[] = {
+       {"isActive", (PyCFunction)eTimerPy_is_active, METH_NOARGS,
+        "returns the timer state"
+       },
+       {"start", (PyCFunction)eTimerPy_start, METH_VARARGS,
+        "start timer with interval in msecs"
+       },
+       {"startLongTimer", (PyCFunction)eTimerPy_start_long, METH_VARARGS,
+        "start timer with interval in secs"
+       },
+       {"changeInterval", (PyCFunction)eTimerPy_change_interval, METH_VARARGS,
+        "change interval of a timer (in msecs)"
+       },
+       {"stop", (PyCFunction)eTimerPy_stop, METH_NOARGS,
+        "stops the timer"
+       },
+       //used for compatibilty with the old eTimer
+       {"get", (PyCFunction)eTimerPy_get_callback_list, METH_NOARGS,
+        "get timeout callback list"
+       },
+       {NULL}  /* Sentinel */
+};
+
+static PyObject *
+eTimerPy_get_cb_list(eTimerPy *self, void *closure)
+{
+       return self->tm->timeout.get();
+}
+
+static PyObject *
+eTimerPy_timeout(eTimerPy *self, void *closure) 
+{ //used for compatibilty with the old eTimer
+       Org_Py_INCREF((PyObject*)self);
+       return (PyObject*)self;
+}
+
+static PyGetSetDef eTimerPy_getseters[] = {
+       {"callback",
+        (getter)eTimerPy_get_cb_list, (setter)0,
+        "returns the callback python list",
+        NULL},
+
+       {"timeout", //used for compatibilty with the old eTimer
+        (getter)eTimerPy_timeout, (setter)0,
+        "synonym for our self",
+        NULL},
+
+       {NULL} /* Sentinel */
+};
+
+static PyTypeObject eTimerPyType = {
+       PyObject_HEAD_INIT(NULL)
+       0, /*ob_size*/
+       "eBaseImpl.eTimer", /*tp_name*/
+       sizeof(eTimerPy), /*tp_basicsize*/
+       0, /*tp_itemsize*/
+       (destructor)eTimerPy_dealloc, /*tp_dealloc*/
+       0, /*tp_print*/
+       0, /*tp_getattr*/
+       0, /*tp_setattr*/
+       0, /*tp_compare*/
+       0, /*tp_repr*/
+       0, /*tp_as_number*/
+       0, /*tp_as_sequence*/
+       0, /*tp_as_mapping*/
+       0, /*tp_hash */
+       0, /*tp_call*/
+       0, /*tp_str*/
+       0, /*tp_getattro*/
+       0, /*tp_setattro*/
+       0, /*tp_as_buffer*/
+       Py_TPFLAGS_DEFAULT | Py_TPFLAGS_HAVE_GC, /*tp_flags*/
+       "eTimer objects", /* tp_doc */
+       (traverseproc)eTimerPy_traverse, /* tp_traverse */
+       (inquiry)eTimerPy_clear, /* tp_clear */
+       0, /* tp_richcompare */
+       offsetof(eTimerPy, in_weakreflist), /* tp_weaklistoffset */
+       0, /* tp_iter */
+       0, /* tp_iternext */
+       eTimerPy_methods, /* tp_methods */
+       0, /* tp_members */
+       eTimerPy_getseters, /* tp_getset */
+       0, /* tp_base */
+       0, /* tp_dict */
+       0, /* tp_descr_get */
+       0, /* tp_descr_set */
+       0, /* tp_dictoffset */
+       0, /* tp_init */
+       0, /* tp_alloc */
+       eTimerPy_new, /* tp_new */
+};
+
+// eSocketNotifier replacement
+
+struct eSocketNotifierPy
+{
+       PyObject_HEAD
+       eSocketNotifier *sn;
+       PyObject *in_weakreflist; /* List of weak references */
+};
+
+static int
+eSocketNotifierPy_traverse(eSocketNotifierPy *self, visitproc visit, void *arg)
+{
+       PyObject *obj = self->sn->activated.getSteal();
+       if (obj)
+               Py_VISIT(obj);
+       return 0;
+}
+
+static int
+eSocketNotifierPy_clear(eSocketNotifierPy *self)
+{
+       PyObject *obj = self->sn->activated.getSteal(true);
+       if (obj)
+               Py_CLEAR(obj);
+       return 0;
+}
+
+static void
+eSocketNotifierPy_dealloc(eSocketNotifierPy* self)
+{
+       if (self->in_weakreflist != NULL)
+               PyObject_ClearWeakRefs((PyObject *) self);
+       eSocketNotifierPy_clear(self);
+       self->sn->Release();
+       self->ob_type->tp_free((PyObject*)self);
+}
+
+static PyObject *
+eSocketNotifierPy_new(PyTypeObject *type, PyObject *args, PyObject *kwds)
+{
+       eSocketNotifierPy *self = (eSocketNotifierPy *)type->tp_alloc(type, 0);
+       int fd, req, immediate_start = 1, size = PyTuple_Size(args);
+       if (size > 2)
+       {
+               if (!PyArg_ParseTuple(args, "iii", &fd, &req, &immediate_start))
+               {
+                       PyObject *obj = NULL;
+                       if (!PyArg_ParseTuple(args, "iiO", &fd, &req, &immediate_start))
+                               return NULL;
+                       if (obj == Py_False)
+                               immediate_start = 0;
+                       else if (obj != Py_True)
+                               return NULL;
+               }
+       }
+       else if (size < 2 || !PyArg_ParseTuple(args, "ii", &fd, &req))
+               return NULL;
+       self->sn = eSocketNotifier::create(eApp, fd, req, immediate_start);
+       self->sn->AddRef();
+       self->in_weakreflist = NULL;
+       return (PyObject *)self;
+}
+
+static PyObject *
+eSocketNotifierPy_is_running(eSocketNotifierPy* self)
+{
+       PyObject *ret = self->sn->isRunning() ? Py_True : Py_False;
+       Org_Py_INCREF(ret);
+       return ret;
+}
+
+static PyObject *
+eSocketNotifierPy_start(eSocketNotifierPy* self)
+{
+       self->sn->start();
+       Py_RETURN_NONE;
+}
+
+static PyObject *
+eSocketNotifierPy_stop(eSocketNotifierPy* self)
+{
+       self->sn->stop();
+       Py_RETURN_NONE;
+}
+
+static PyObject *
+eSocketNotifierPy_get_fd(eSocketNotifierPy* self)
+{
+       return PyInt_FromLong(self->sn->getFD());
+}
+
+static PyObject *
+eSocketNotifierPy_get_requested(eSocketNotifierPy* self)
+{
+       return PyInt_FromLong(self->sn->getRequested());
+}
+
+static PyObject *
+eSocketNotifierPy_set_requested(eSocketNotifierPy* self, PyObject *args)
+{
+       int req;
+       if (PyTuple_Size(args) != 1 || !PyArg_ParseTuple(args, "i", &req))
+               return NULL;
+       self->sn->setRequested(req);
+       Py_RETURN_NONE;
+}
+
+static PyMethodDef eSocketNotifierPy_methods[] = {
+       {"isRunning", (PyCFunction)eSocketNotifierPy_is_running, METH_NOARGS,
+        "returns the running state"
+       },
+       {"start", (PyCFunction)eSocketNotifierPy_start, METH_NOARGS,
+        "start the sn"
+       },
+       {"stop", (PyCFunction)eSocketNotifierPy_stop, METH_NOARGS,
+        "stops the sn"
+       },
+       {"getFD", (PyCFunction)eSocketNotifierPy_get_fd, METH_NOARGS,
+        "get file descriptor"
+       },
+       {"getRequested", (PyCFunction)eSocketNotifierPy_get_requested, METH_NOARGS,
+        "get requested"
+       },
+       {"setRequested", (PyCFunction)eSocketNotifierPy_set_requested, METH_VARARGS,
+        "set requested"
+       },
+       {NULL}  /* Sentinel */
+};
+
+static PyObject *
+eSocketNotifierPy_get_cb_list(eSocketNotifierPy *self, void *closure)
+{
+       return self->sn->activated.get();
+}
+
+static PyGetSetDef eSocketNotifierPy_getseters[] = {
+       {"callback",
+        (getter)eSocketNotifierPy_get_cb_list, (setter)0,
+        "returns the callback python list",
+        NULL},
+       {NULL} /* Sentinel */
+};
+
+static PyTypeObject eSocketNotifierPyType = {
+       PyObject_HEAD_INIT(NULL)
+       0, /*ob_size*/
+       "eBaseImpl.eSocketNotifier", /*tp_name*/
+       sizeof(eSocketNotifierPy), /*tp_basicsize*/
+       0, /*tp_itemsize*/
+       (destructor)eSocketNotifierPy_dealloc, /*tp_dealloc*/
+       0, /*tp_print*/
+       0, /*tp_getattr*/
+       0, /*tp_setattr*/
+       0, /*tp_compare*/
+       0, /*tp_repr*/
+       0, /*tp_as_number*/
+       0, /*tp_as_sequence*/
+       0, /*tp_as_mapping*/
+       0, /*tp_hash */
+       0, /*tp_call*/
+       0, /*tp_str*/
+       0, /*tp_getattro*/
+       0, /*tp_setattro*/
+       0, /*tp_as_buffer*/
+       Py_TPFLAGS_DEFAULT | Py_TPFLAGS_HAVE_GC, /*tp_flags*/
+       "eTimer objects", /* tp_doc */
+       (traverseproc)eSocketNotifierPy_traverse, /* tp_traverse */
+       (inquiry)eSocketNotifierPy_clear, /* tp_clear */
+       0, /* tp_richcompare */
+       offsetof(eSocketNotifierPy, in_weakreflist), /* tp_weaklistoffset */
+       0, /* tp_iter */
+       0, /* tp_iternext */
+       eSocketNotifierPy_methods, /* tp_methods */
+       0, /* tp_members */
+       eSocketNotifierPy_getseters, /* tp_getset */
+       0, /* tp_base */
+       0, /* tp_dict */
+       0, /* tp_descr_get */
+       0, /* tp_descr_set */
+       0, /* tp_dictoffset */
+       0, /* tp_init */
+       0, /* tp_alloc */
+       eSocketNotifierPy_new, /* tp_new */
+};
+
+static PyMethodDef module_methods[] = {
+       {NULL}  /* Sentinel */
+};
+
+void eBaseInit(void)
+{
+       PyObject* m = Py_InitModule3("eBaseImpl", module_methods,
+               "Module that implements some enigma classes with working cyclic garbage collection.");
+
+       if (m == NULL)
+               return;
+
+       if (!PyType_Ready(&eTimerPyType))
+       {
+               Org_Py_INCREF((PyObject*)&eTimerPyType);
+               PyModule_AddObject(m, "eTimer", (PyObject*)&eTimerPyType);
+       }
+       if (!PyType_Ready(&eSocketNotifierPyType))
+       {
+               Org_Py_INCREF((PyObject*)&eSocketNotifierPyType);
+               PyModule_AddObject(m, "eSocketNotifier", (PyObject*)&eSocketNotifierPyType);
+       }
+}
+}