static pgint32
CPyStreamWrapper_Tell_Threaded (CPyStreamWrapper *wrapper)
{
PyObject* result;
pgint32 retval = 0;
#ifdef WITH_THREAD
PyThreadState* oldstate;
#endif
if (!wrapper->tell)
return -1;
#ifdef WITH_THREAD
PyEval_AcquireThread (wrapper->thread);
oldstate = PyThreadState_Swap (wrapper->thread);
#endif
result = PyObject_CallFunction (wrapper->tell, NULL);
if (!result)
{
PyErr_Print ();
retval = -1;
goto end;
}
retval = PyInt_AsLong (result);
Py_DECREF (result);
end:
#ifdef WITH_THREAD
PyThreadState_Swap (oldstate);
PyEval_ReleaseThread (wrapper->thread);
#endif
return retval;
}
void MPyEmbed_CBPostFrame(void) {
int i;
if (!PythonAvailable) {
return;
}
PyThread_acquire_lock(threaddatalock, WAIT_LOCK);
for (i = 0; i < THREADS; i++) {
if (VALID(threaddata[i])) {
PyObject *cb = threaddata[i].postframe;
PyThreadState *ts = threaddata[i].mainstate;
PyObject *rv;
PyThread_release_lock(threaddatalock);
ts->thread_id = PyThread_get_thread_ident();
PyEval_AcquireThread(ts);
if (cb != NULL && PyCallable_Check(cb)) {
rv = PyObject_CallObject(cb, NULL);
Py_XDECREF(rv);
if (rv == NULL) {
PyErr_Print();
}
}
PyEval_ReleaseThread(ts);
PyThread_acquire_lock(threaddatalock, WAIT_LOCK);
}
}
PyThread_release_lock(threaddatalock);
}
// Asuming we have a valid thread state, acquire the Python lock.
void PyXPCOM_InterpreterLock_Acquire()
{
ThreadData *pData = (ThreadData *)PR_GetThreadPrivate(tlsIndex);
NS_ABORT_IF_FALSE(pData, "Have no thread data for this thread!");
PyThreadState *thisThreadState = pData->ts;
PyEval_AcquireThread(thisThreadState);
}
static int
_pyobj_write_threaded (SDL_RWops *ops, const void* ptr, int size, int num)
{
_RWWrapper *wrapper = (_RWWrapper *) ops->hidden.unknown.data1;
PyObject *result;
int retval;
PyThreadState* oldstate;
if (!wrapper->write)
return -1;
PyEval_AcquireThread (wrapper->thread);
oldstate = PyThreadState_Swap (wrapper->thread);
#ifdef IS_PYTHON_3
result = PyObject_CallFunction (wrapper->write, "y#", ptr, size * num);
#else
result = PyObject_CallFunction (wrapper->write, "s#", ptr, size * num);
#endif
if (!result)
{
PyErr_Print ();
retval = -1;
goto end;
}
Py_DECREF (result);
retval = num;
end:
PyThreadState_Swap (oldstate);
PyEval_ReleaseThread (wrapper->thread);
return retval;
}
SCPyModule::~SCPyModule() {
//PYLOCK;
PyEval_AcquireThread(tstate);
FILE* f = fopen("refs.txt", "w");
_Py_PrintReferences(f);
/* Disable signal handling */
PyOS_FiniInterrupts();
PyInterpreterState_Clear(interp);
/* Delete current thread */
PyThreadState_Swap(NULL);
PyInterpreterState_Delete(interp);
/* Sundry finalizers */
PyMethod_Fini();
PyFrame_Fini();
PyCFunction_Fini();
PyTuple_Fini();
PyList_Fini();
PySet_Fini();
PyString_Fini();
PyInt_Fini();
PyFloat_Fini();
PyGrammar_RemoveAccelerators(&_PyParser_Grammar);
_Py_PrintReferenceAddresses(f);
fclose(f);
}
static void clRunPython(char* cmd)
{
#define BSZ 2048
char pyBuf[BSZ];
//clprintf (CL_LOG_SEV_INFO, "clRunPython called with [%s]", cmd);
//clOsalMutexLock(&pyMutex);
PyThreadState *tstate;
//PyObject *result;
snprintf(pyBuf,BSZ,"safplus.Callback(\"\"\"%s\"\"\")\n",cmd);
//clprintf (CL_LOG_SEV_INFO, "clRunPython requesting python lock [%s]", cmd);
/* interp is your reference to an interpreter object. */
tstate = PyThreadState_New(thePythonInterpreter);
PyEval_AcquireThread(tstate);
//clprintf(CL_LOG_SEV_INFO,"Stage 1. Passing to Python layer: %s",pyBuf);
int ret = PyRun_SimpleString(pyBuf);
//clprintf (CL_LOG_SEV_INFO, "clRunPython requesting release of python lock [%s]", cmd);
PyEval_ReleaseThread(tstate);
if (ret != 0) clprintf(CL_LOG_SEV_ERROR,"Ran: %s. There was an error.",pyBuf);
PyThreadState_Delete(tstate);
}
static bRC freePlugin(bpContext *ctx)
{
struct plugin_ctx *p_ctx = (struct plugin_ctx *)ctx->pContext;
if (!p_ctx) {
return bRC_Error;
}
/*
* Stop any sub interpreter started per plugin instance.
*/
PyEval_AcquireThread(p_ctx->interpreter);
/*
* Do python cleanup calls.
*/
if (p_ctx->bpContext) {
Py_DECREF(p_ctx->bpContext);
}
if (p_ctx->pModule) {
Py_DECREF(p_ctx->pModule);
}
Py_EndInterpreter(p_ctx->interpreter);
PyEval_ReleaseLock();
free(p_ctx);
ctx->pContext = NULL;
return bRC_OK;
}
static void
t_bootstrap(void *boot_raw)
{
struct bootstate *boot = (struct bootstate *) boot_raw;
PyThreadState *tstate;
PyObject *res;
tstate = PyThreadState_New(boot->interp);
PyEval_AcquireThread(tstate);
res = PyEval_CallObjectWithKeywords(
boot->func, boot->args, boot->keyw);
Py_DECREF(boot->func);
Py_DECREF(boot->args);
Py_XDECREF(boot->keyw);
PyMem_DEL(boot_raw);
if (res == NULL) {
if (PyErr_ExceptionMatches(PyExc_SystemExit))
PyErr_Clear();
else {
PySys_WriteStderr("Unhandled exception in thread:\n");
PyErr_PrintEx(0);
}
}
else
Py_DECREF(res);
PyThreadState_Clear(tstate);
PyThreadState_DeleteCurrent();
PyThread_exit_thread();
}
static int
CPyStreamWrapper_Close_Threaded (CPyStreamWrapper *wrapper)
{
PyObject *result;
int retval = 1;
#ifdef WITH_THREAD
PyThreadState* oldstate;
#endif
if (!wrapper->close)
return -1;
#ifdef WITH_THREAD
PyEval_AcquireThread (wrapper->thread);
oldstate = PyThreadState_Swap (wrapper->thread);
#endif
if (wrapper->close)
{
result = PyObject_CallFunction (wrapper->close, NULL);
if (!result)
{
PyErr_Print ();
retval = 0;
}
Py_XDECREF (result);
}
#ifdef WITH_THREAD
PyThreadState_Swap (oldstate);
PyEval_ReleaseThread (wrapper->thread);
#endif
return retval;
}
/**
* z_policy_thread_destroy:
* @self: this
*
* Destructor of ZPolicyThread.
* The embedded Python thread context (self->thread) will be cleared and
* deleted also, and if this thread was the last one running in the
* interpreter instance, that will be stopped, too.
*/
void
z_policy_thread_destroy(ZPolicyThread *self)
{
/* acquires the interpreter lock */
if (self->policy->main_thread != self)
{
/* we are one of the secondary threads */
z_python_lock();
PyThreadState_Swap(self->thread);
PyThreadState_Clear(self->thread);
PyThreadState_Swap(NULL);
PyThreadState_Delete(self->thread);
z_python_unlock();
z_policy_unref(self->policy);
}
else
{
/* we must be freed at last, when the policy is being destroyed */
g_assert(self->policy->ref_cnt == 1);
/* we are the main thread, destroy the interpreter */
z_policy_purge(self->policy);
PyEval_AcquireThread(self->thread);
Py_EndInterpreter(self->thread);
z_python_unlock();
}
g_mutex_free(self->startable_lock);
g_cond_free(self->startable_signal);
g_free(self);
}
static int
CPyStreamWrapper_Seek_Threaded (CPyStreamWrapper *wrapper, pgint32 offset,
int whence)
{
PyObject* result;
int retval = 1;
#ifdef WITH_THREAD
PyThreadState* oldstate;
#endif
if (!wrapper->seek)
return 0;
#ifdef WITH_THREAD
PyEval_AcquireThread (wrapper->thread);
oldstate = PyThreadState_Swap (wrapper->thread);
#endif
result = PyObject_CallFunction (wrapper->seek, "li", offset, whence);
if (!result)
{
PyErr_Print();
retval = 0;
goto end;
}
Py_DECREF (result);
end:
#ifdef WITH_THREAD
PyThreadState_Swap (oldstate);
PyEval_ReleaseThread (wrapper->thread);
#endif
return retval;
}
// Asuming we have a valid thread state, acquire the Python lock.
void PyWinInterpreterLock_Acquire()
{
ThreadData *pData = (ThreadData *)TlsGetValue(dwTlsIndex);
PyThreadState *thisThreadState = pData->ts;
PyEval_AcquireThread(thisThreadState);
#ifdef TRACE_THREADSTATE
InterlockedIncrement(&numAcquires);
#endif /* TRACE_THREADSTATE */
}
STDAPI DllUnregisterServer()
{
int rc, pyrc;
if (gPythoncom == 0)
startUp();
PyEval_AcquireThread(thisthread);
rc = callSimpleEntryPoint("DllUnregisterServer", &pyrc);
PyEval_ReleaseThread(thisthread);
return rc==0 ? pyrc : SELFREG_E_CLASS;
}
int MPyEmbed_Repl(void) {
if (!PythonAvailable) {
return 0;
}
mainstate->thread_id = PyThread_get_thread_ident();
PyEval_AcquireThread(mainstate);
PyRun_AnyFile(stdin, "<stdin>");
PyEval_ReleaseThread(mainstate);
return 1;
}
/**
* z_python_destroy:
*
* This function deinitializes the Python interpreter, it should be called
* at program teardown.
*
* Returns TRUE if deinitialization was successful.
**/
gboolean
z_python_destroy(void)
{
if (initial_thread)
{
PyEval_AcquireThread(initial_thread);
Py_Finalize();
}
return TRUE;
}
void clPyGlueTerminate()
{
clRunPython("eoApp.Stop()");
clOsalCondBroadcast (&event);
clOsalMutexLock(&pyMutex);
quit=1;
PyEval_AcquireThread(thrdState);
Py_Finalize();
clOsalMutexUnlock(&pyMutex);
}
static bRC handlePluginEvent(bpContext *ctx, bDirEvent *event, void *value)
{
struct plugin_ctx *p_ctx = (struct plugin_ctx *)ctx->pContext;
bRC retval = bRC_Error;
PyEval_AcquireThread(p_ctx->interpreter);
retval = PyHandlePluginEvent(ctx, event, value);
PyEval_ReleaseThread(p_ctx->interpreter);
return retval;
}
static bRC setPluginValue(bpContext *ctx, pDirVariable var, void *value)
{
struct plugin_ctx *p_ctx = (struct plugin_ctx *)ctx->pContext;
bRC retval = bRC_Error;
PyEval_AcquireThread(p_ctx->interpreter);
retval = PySetPluginValue(ctx, var, value);
PyEval_ReleaseThread(p_ctx->interpreter);
return retval;
}
void IvrPython::onDTMFEvent(int detectedKey) {
dtmfKey.set(detectedKey); // wake up waiting functions...
if (onDTMFCallback == NULL) {
DBG("IvrPython::onDTMFEvent, but script did not set onDTMF callback!\n");
return;
}
DBG("IvrPython::onDTMFEvent(): calling onDTMFCallback key is %d...\n", detectedKey);
#ifndef IVR_PERL
PyThreadState *tstate;
/* interp is your reference to an interpreter object. */
tstate = PyThreadState_New(mainInterpreterThreadState->interp);
PyEval_AcquireThread(tstate);
/* Perform Python actions here. */
PyObject *arglist = Py_BuildValue("(i)", detectedKey);
PyObject *result = PyEval_CallObject(onDTMFCallback, arglist);
Py_DECREF(arglist);
if (result == NULL) {
DBG("Calling IVR" SCRIPT_TYPE "onDTMF failed.\n");
PyErr_Print();
//return ;
} else {
Py_DECREF(result);
}
/* Release the thread. No Python API allowed beyond this point. */
PyEval_ReleaseThread(tstate);
/* You can either delete the thread state, or save it
until you need it the next time. */
PyThreadState_Delete(tstate);
#else //IVR_PERL
DBG("IvrPython::onDTMFEvent(): calling onDTMFCallback func is %s...\n", onDTMFCallback);
PERL_SET_CONTEXT(my_perl_interp);
DBG("context is %ld\n", (long) Perl_get_context());
dSP ;
ENTER ;
SAVETMPS ;
PUSHMARK(SP) ;
XPUSHs(sv_2mortal(newSViv(detectedKey)));
PUTBACK ;
call_pv(onDTMFCallback, G_DISCARD);
FREETMPS ;
LEAVE ;
#endif //IVR_PERL
DBG("IvrPython::onDTMFEvent done...\n");
}
/*
* Do actual I/O. Bareos calls this after startBackupFile
* or after startRestoreFile to do the actual file
* input or output.
*/
static bRC pluginIO(bpContext *ctx, struct io_pkt *io)
{
#ifdef HAVE_PYTHON
struct plugin_ctx *p_ctx = (struct plugin_ctx *)ctx->pContext;
PyEval_AcquireThread(p_ctx->interpreter);
/*
* Do python calls.
*/
PyEval_ReleaseThread(p_ctx->interpreter);
#endif
return bRC_OK;
}
/*
* Handle an event that was generated in Bareos
*/
static bRC handlePluginEvent(bpContext *ctx, bsdEvent *event, void *value)
{
#ifdef HAVE_PYTHON
struct plugin_ctx *p_ctx = (struct plugin_ctx *)ctx->pContext;
PyEval_AcquireThread(p_ctx->interpreter);
/*
* Do python calls.
*/
PyEval_ReleaseThread(p_ctx->interpreter);
#endif
return bRC_OK;
}
/*
* Set a plugin value (none defined)
*/
static bRC setPluginValue(bpContext *ctx, psdVariable var, void *value)
{
#ifdef HAVE_PYTHON
struct plugin_ctx *p_ctx = (struct plugin_ctx *)ctx->pContext;
PyEval_AcquireThread(p_ctx->interpreter);
/*
* Do python calls.
*/
PyEval_ReleaseThread(p_ctx->interpreter);
#endif
return bRC_OK;
}
/*
* Called when starting to backup a file. Here the plugin must
* return the "stat" packet for the directory/file and provide
* certain information so that Bareos knows what the file is.
* The plugin can create "Virtual" files by giving them a
* name that is not normally found on the file system.
*/
static bRC startBackupFile(bpContext *ctx, struct save_pkt *sp)
{
#ifdef HAVE_PYTHON
struct plugin_ctx *p_ctx = (struct plugin_ctx *)ctx->pContext;
PyEval_AcquireThread(p_ctx->interpreter);
/*
* Do python calls.
*/
PyEval_ReleaseThread(p_ctx->interpreter);
#endif
return bRC_OK;
}
/*
* Called after the file has been restored. This can be used to
* set directory permissions, ...
*/
static bRC setFileAttributes(bpContext *ctx, struct restore_pkt *rp)
{
#ifdef HAVE_PYTHON
struct plugin_ctx *p_ctx = (struct plugin_ctx *)ctx->pContext;
PyEval_AcquireThread(p_ctx->interpreter);
/*
* Do python calls.
*/
PyEval_ReleaseThread(p_ctx->interpreter);
#endif
return bRC_OK;
}
/* When using Incremental dump, all previous dumps are necessary */
static bRC checkFile(bpContext *ctx, char *fname)
{
#ifdef HAVE_PYTHON
struct plugin_ctx *p_ctx = (struct plugin_ctx *)ctx->pContext;
PyEval_AcquireThread(p_ctx->interpreter);
/*
* Do python calls.
*/
PyEval_ReleaseThread(p_ctx->interpreter);
#endif
return bRC_OK;
}
int MPyEmbed_Run(char *file) {
FILE *fp;
if (!PythonAvailable) {
return 0;
}
fp = fopen(file, "r");
if (!fp) {
perror("fopen");
return 0;
}
mainstate->thread_id = PyThread_get_thread_ident();
PyEval_AcquireThread(mainstate);
PyRun_SimpleFile(fp, file);
PyEval_ReleaseThread(mainstate);
fclose(fp);
return 1;
}
/*
* Class: jep_InvocationHandler
* Method: invoke
* Signature: (Ljava/lang/String;JJ[Ljava/lang/Object;[Ljava/lang/Class;Ljava/lang/Class;)Ljava/lang/Object;
*/
JNIEXPORT jobject JNICALL Java_jep_InvocationHandler_invoke
(JNIEnv *env,
jclass clazz,
jstring jname,
jlong _jepThread,
jlong _target,
jobjectArray args,
jintArray types,
jint returnType)
{
JepThread *jepThread;
jobject ret;
const char *cname;
PyObject *target;
PyObject *callable;
target = (PyObject *) (intptr_t) _target;
ret = NULL;
callable = NULL;
jepThread = (JepThread *) (intptr_t) _jepThread;
if (!jepThread) {
THROW_JEP(env, "Couldn't get thread objects.");
return NULL;
}
PyEval_AcquireThread(jepThread->tstate);
// now get the callable object
cname = jstring2char(env, jname);
// python docs say this returns a new ref. they lie like dogs.
callable = PyObject_GetAttrString(target, (char *) cname);
release_utf_char(env, jname, cname);
if (process_py_exception(env, 0) || !callable) {
goto EXIT;
}
ret = pyembed_invoke(env, callable, args, types);
EXIT:
PyEval_ReleaseThread(jepThread->tstate);
return ret;
}
void IvrPython::onMediaQueueEmpty() {
isMediaQueueEmpty.set(true);
DBG("executiong MQE callback...\n");
if (onMediaQueueEmptyCallback == NULL) {
DBG("IvrPython::onMediaQueueEmpty, but script did not set onMediaQueueEmpty callback.\n");
return;
}
#ifndef IVR_PERL
PyThreadState *tstate;
/* interp is your reference to an interpreter object. */
tstate = PyThreadState_New(mainInterpreterThreadState->interp);
PyEval_AcquireThread(tstate);
/* Perform Python actions here. */
PyObject *arglist = Py_BuildValue("()");
PyObject *result = PyEval_CallObject(onMediaQueueEmptyCallback, arglist);
Py_DECREF(arglist);
if (result == NULL) {
DBG("Calling IVR" SCRIPT_TYPE "onMediaQueueEmpty failed.\n");
// PyErr_Print();
//return ;
} else {
Py_DECREF(result);
}
/* Release the thread. No Python API allowed beyond this point. */
PyEval_ReleaseThread(tstate);
/* You can either delete the thread state, or save it
until you need it the next time. */
PyThreadState_Delete(tstate);
#else //IVR_PERL
PERL_SET_CONTEXT(my_perl_interp);
DBG("context is %ld\n", (long) Perl_get_context());
dSP ;
PUSHMARK(SP) ;
call_pv(onMediaQueueEmptyCallback, G_DISCARD|G_NOARGS) ;
#endif //IVR_PERL
DBG("IvrPython::onMediaQueueEmpty done.\n");
}
/*
* Class: jep_python_PyPointer
* Method: decref
* Signature: (JJ)V
*/
JNIEXPORT void JNICALL Java_jep_python_PyPointer_decref
(JNIEnv *env, jobject obj, jlong tstate, jlong pyobj)
{
JepThread *jepThread;
PyObject *pyObject;
jepThread = (JepThread *) tstate;
if (!jepThread) {
THROW_JEP(env, "Couldn't get thread objects.");
return;
}
pyObject = (PyObject*) pyobj;
PyEval_AcquireThread(jepThread->tstate);
Py_DECREF(pyObject);
PyEval_ReleaseThread(jepThread->tstate);
}
static void clRunPython(char* cmd)
{
#define BSZ 2048
char pyBuf[BSZ];
clprintf (CL_LOG_SEV_INFO, "clRunPython called with [%s]", cmd);
//clOsalMutexLock(&pyMutex);
thrdState = PyThreadState_Get();
#if 0
if (quit)
{
clprintf(CL_LOG_SEV_INFO,"Python has quit, so not running: %s",cmd);
//clOsalMutexUnlock(&pyMutex);
return;
}
#endif
#if 0
PyEval_AcquireLock();
PyThreadState_Swap(thrdState);
#endif
snprintf(pyBuf,BSZ,"clCmdFromAsp(\"\"\"%s\"\"\")\n",cmd);
clprintf (CL_LOG_SEV_INFO, "clRunPython requesting python lock [%s]", cmd);
PyEval_AcquireThread(thrdState);
clprintf(CL_LOG_SEV_INFO,"Stage 1. Passing to Python layer: %s",pyBuf);
int ret = PyRun_SimpleString(pyBuf);
clprintf (CL_LOG_SEV_INFO, "clRunPython requesting release of python lock [%s]", cmd);
PyEval_ReleaseThread(thrdState);
if (ret != 0) clprintf(CL_LOG_SEV_ERROR,"Ran: %s. There was an error.",pyBuf);
#if 0
PyThreadState_Swap(NULL);
PyEval_ReleaseLock();
#endif
//clprintf (CL_LOG_SEV_INFO, "clRunPython unlocking mutex [%s]", cmd);
//clOsalMutexUnlock(&pyMutex);
//clprintf (CL_LOG_SEV_INFO, "clRunPython unlocked mutex [%s]", cmd);
}
