func (self *ThreadPool) Start(callback ThreadCallback, args ...interface{}) *C.pthread_t {
/*
If `args` has only one value, sometimes the runtime will be
hanged, I can not understant why, so this is dirty hack.
*/
args = append(args, true)
_callback := C.create_callback(
self.ptr,
*(*unsafe.Pointer)(unsafe.Pointer(&callback)),
*(*unsafe.Pointer)(unsafe.Pointer(&args)),
)
return C.start_thread(self.ptr, _callback)
}
//export createCallback
func createCallback(pid *C.pthread_t) {
//runtime.LockOSThread()
//defer runtime.UnlockOSThread()
_gstate := C.start_thread()
defer C.end_thread(_gstate)
_func, _ok := callbacks.Get(pid)
defer callbacks.Delete(pid)
if !_ok {
panic(fmt.Errorf("failed to found thread callback for `%v`", pid))
}
_func()
}
//export createThreadCallback
func createThreadCallback(pid *C.pthread_t) {
runtime.LockOSThread()
defer runtime.UnlockOSThread()
_gstate := C.start_thread()
_cb, _r, _w, _ok := callbacks.Get(pid)
defer callbacks.Delete(pid)
if !_ok {
panic(fmt.Errorf("failed to found thread callback for `%v`", pid))
}
// TODO: add special headers for WSGI.
_environ := GenerateEnviron(_r)
_response := C.run_wsgi_application(_environ)
// parse header
for i := 0; i < int(C.PyList_Size(_response.headers)); i++ {
_h := C.PyList_GetItem(_response.headers, C.Py_ssize_t(i))
_k := C.PyTuple_GetItem(_h, C.Py_ssize_t(0))
_v := C.PyTuple_GetItem(_h, C.Py_ssize_t(1))
_w.Header().Set(
PyString_AsString(_k),
PyString_AsString(_v),
)
}
_body := C.GoString(_response.body)
if len(_body) < 1 {
panic(fmt.Errorf("failed to import python wsgi module."))
}
C.end_thread(_gstate)
// write body
_w.WriteHeader(int(_response.status))
_w.Write([]byte(_body))
_cb()
}