at::Type& getType(at::ScalarType scalarType, const THPLayout& layout, const at::Device& device) {
const at::Backend backend = get_backend(device.type() == at::Device::Type::CUDA, layout.layout == at::Layout::Sparse);
auto baseType = at::globalContext().getTypeOpt(backend, scalarType);
if (!baseType) {
std::ostringstream oss;
oss << "Error attempting to use dtype " << getDtype(scalarType)->name << " with layout " << layout.name
<< " and device type " << device.type() << ".";
if (device.type() == at::Device::Type::CUDA && !torch::utils::cuda_enabled()) {
oss << " Torch not compiled with CUDA enabled." << std::endl;
}
throw std::runtime_error(oss.str());
}
return *torch::autograd::VariableType::getType(*baseType);
}
// find first range finder instance with the specified orientation
AP_RangeFinder_Backend *RangeFinder::find_instance(enum Rotation orientation) const
{
for (uint8_t i=0; i<num_instances; i++) {
AP_RangeFinder_Backend *backend = get_backend(i);
if (backend == nullptr) {
continue;
}
if (backend->orientation() != orientation) {
continue;
}
return backend;
}
return nullptr;
}
SWITCH_DECLARE(char *) switch_limit_status(const char *backend) {
switch_limit_interface_t *limit = NULL;
char *status = NULL;
/* locate impl, call appropriate func */
if (!(limit = get_backend(backend))) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Limit subsystem %s not found!\n", backend);
switch_goto_status(strdup("-ERR"), end);
}
status = limit->status();
end:
release_backend(limit);
return status;
}
SWITCH_DECLARE(switch_status_t) switch_limit_reset(const char *backend) {
switch_limit_interface_t *limit = NULL;
int status = SWITCH_STATUS_SUCCESS;
/* locate impl, call appropriate func */
if (!(limit = get_backend(backend))) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Limit subsystem %s not found!\n", backend);
switch_goto_status(SWITCH_STATUS_GENERR, end);
}
status = limit->reset();
end:
release_backend(limit);
return status;
}
SWITCH_DECLARE(int) switch_limit_usage(const char *backend, const char *realm, const char *resource, uint32_t *rcount) {
switch_limit_interface_t *limit = NULL;
int usage = 0;
/* locate impl, call appropriate func */
if (!(limit = get_backend(backend))) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Limit subsystem %s not found!\n", backend);
goto end;
}
usage = limit->usage(realm, resource, rcount);
end:
release_backend(limit);
return usage;
}
SWITCH_DECLARE(switch_status_t) switch_limit_release(const char *backend, switch_core_session_t *session, const char *realm, const char *resource) {
switch_limit_interface_t *limit = NULL;
int status = SWITCH_STATUS_SUCCESS;
/* locate impl, call appropriate func */
if (!(limit = get_backend(backend))) {
switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session), SWITCH_LOG_ERROR, "Limit subsystem %s not found!\n", backend);
switch_goto_status(SWITCH_STATUS_GENERR, end);
}
status = limit->release(session, realm, resource);
end:
release_backend(limit);
return status;
}
SWITCH_DECLARE(switch_status_t) switch_limit_incr(const char *backend, switch_core_session_t *session, const char *realm, const char *resource, const int max, const int interval) {
switch_limit_interface_t *limit = NULL;
switch_channel_t *channel = NULL;
int status = SWITCH_STATUS_SUCCESS;
if (session) {
channel = switch_core_session_get_channel(session);
}
/* locate impl, call appropriate func */
if (!(limit = get_backend(backend))) {
switch_limit_log(session, SWITCH_LOG_ERROR, "Limit subsystem %s not found!\n", backend);
switch_goto_status(SWITCH_STATUS_GENERR, end);
}
switch_limit_log(session, SWITCH_LOG_INFO, "incr called: %s_%s max:%d, interval:%d\n",
realm, resource, max, interval);
if ((status = limit->incr(session, realm, resource, max, interval)) == SWITCH_STATUS_SUCCESS) {
if (session) {
/* race condition? what if another leg is doing the same thing? */
const char *existing = switch_channel_get_variable(channel, LIMIT_BACKEND_VARIABLE);
if (existing) {
if (!strstr(existing, backend)) {
switch_channel_set_variable_printf(channel, LIMIT_BACKEND_VARIABLE, "%s,%s", existing, backend);
}
} else {
switch_channel_set_variable(channel, LIMIT_BACKEND_VARIABLE, backend);
switch_core_event_hook_add_state_change(session, limit_state_handler);
}
}
}
release_backend(limit);
end:
return status;
}
