model-railway/system-control
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rework message manager

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use of listener pattern instead of message queue

Signed-off-by: Peter Siegmund <developer@mars3142.org>
This commit is contained in:
Peter Siegmund
2026-01-18 14:26:13 +01:00
parent 1fade06bdb
commit cdac9cbfb8
3 changed files with 50 additions and 7 deletions
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4
firmware/components/message-manager/include/message_manager.h
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@@ -57,6 +57,10 @@ extern "C"
} data;
} message_t;
// Observer Pattern: Listener-Typ und Registrierungsfunktionen
typedef void (*message_listener_t)(const message_t *msg);
void message_manager_register_listener(message_listener_t listener);
void message_manager_unregister_listener(message_listener_t listener);
void message_manager_init(void);
bool message_manager_post(const message_t *msg, TickType_t timeout);

41
firmware/components/message-manager/src/message_manager.c
View File

@@ -12,6 +12,34 @@
static const char *TAG = "message_manager";
static QueueHandle_t message_queue = NULL;
// Observer Pattern: Listener-Liste
#define MAX_MESSAGE_LISTENERS 8
static message_listener_t message_listeners[MAX_MESSAGE_LISTENERS] = {0};
static size_t message_listener_count = 0;
void message_manager_register_listener(message_listener_t listener) {
if (listener && message_listener_count < MAX_MESSAGE_LISTENERS) {
// Doppelte Registrierung vermeiden
for (size_t i = 0; i < message_listener_count; ++i) {
if (message_listeners[i] == listener) return;
}
message_listeners[message_listener_count++] = listener;
}
}
void message_manager_unregister_listener(message_listener_t listener) {
for (size_t i = 0; i < message_listener_count; ++i) {
if (message_listeners[i] == listener) {
// Nachfolgende Listener nach vorne schieben
for (size_t j = i; j < message_listener_count - 1; ++j) {
message_listeners[j] = message_listeners[j + 1];
}
message_listeners[--message_listener_count] = NULL;
break;
}
}
}
static void message_manager_task(void *param)
{
message_t msg;
@@ -43,13 +71,6 @@ static void message_manager_task(void *param)
}
persistence_manager_deinit(&pm);
ESP_LOGI(TAG, "Setting written: %s", msg.data.settings.key);
// Reagiere auf Änderung von light_active
if (strcmp(msg.data.settings.key, "light_active") == 0)
{
extern void start_simulation(void);
start_simulation();
}
}
break;
case MESSAGE_TYPE_BUTTON:
@@ -57,6 +78,12 @@ static void message_manager_task(void *param)
// TODO: Weiterverarbeitung/Callback für Button-Events
break;
}
// Observer Pattern: Listener benachrichtigen
for (size_t i = 0; i < message_listener_count; ++i) {
if (message_listeners[i]) {
message_listeners[i](&msg);
}
}
}
}
}