Ken Van Hoeylandt
77 lines
2.1 KiB
C++
77 lines
2.1 KiB
C++
// SPDX-License-Identifier: Apache-2.0
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#include <tactility/service/service_instance.h>
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#include <tactility/concurrent/mutex.h>
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#include <tactility/log.h>
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#include <new>
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#define TAG "service_instance"
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struct ServiceInstanceInternal {
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Mutex mutex {};
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ServiceState state = SERVICE_STATE_STOPPED;
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};
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extern "C" {
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error_t service_instance_construct(ServiceInstance* instance, const ServiceManifest* manifest) {
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instance->internal = new(std::nothrow) ServiceInstanceInternal;
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if (instance->internal == nullptr) {
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return ERROR_OUT_OF_MEMORY;
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}
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mutex_construct(&instance->internal->mutex);
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instance->manifest = manifest;
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instance->data = manifest->create_service(manifest);
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LOG_D(TAG, "construct %s", manifest->id);
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return ERROR_NONE;
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}
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error_t service_instance_destruct(ServiceInstance* instance) {
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auto* internal = instance->internal;
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mutex_lock(&internal->mutex);
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if (internal->state != SERVICE_STATE_STOPPED) {
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mutex_unlock(&internal->mutex);
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return ERROR_INVALID_STATE;
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}
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mutex_unlock(&internal->mutex);
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LOG_D(TAG, "destruct %s", instance->manifest->id);
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instance->manifest->destroy_service(instance->manifest, instance->data);
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instance->data = nullptr;
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instance->internal = nullptr;
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mutex_destruct(&internal->mutex);
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delete internal;
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return ERROR_NONE;
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}
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const ServiceManifest* service_instance_get_manifest(ServiceInstance* instance) {
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return instance->manifest;
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}
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void* service_instance_get_data(ServiceInstance* instance) {
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return instance->data;
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}
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ServiceState service_instance_get_state(ServiceInstance* instance) {
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mutex_lock(&instance->internal->mutex);
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ServiceState state = instance->internal->state;
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mutex_unlock(&instance->internal->mutex);
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return state;
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}
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/** Internal-only: mutate the state of a service instance. Used by service_registration.cpp. */
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void service_instance_set_state(ServiceInstance* instance, ServiceState state) {
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mutex_lock(&instance->internal->mutex);
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instance->internal->state = state;
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mutex_unlock(&instance->internal->mutex);
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}
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} // extern "C"
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