C++ conversion (#80)

Converted project to C++

TactilityHeadless/Source/ServiceRegistry.cpp

@@ -0,0 +1,99 @@
+#include "ServiceRegistry.h"
+
+#include "Mutex.h"
+#include "Service.h"
+#include "ServiceManifest.h"
+#include "TactilityCore.h"
+#include <string>
+#include <unordered_map>
+
+namespace tt {
+
+#define TAG "service_registry"
+
+typedef std::unordered_map<std::string, const ServiceManifest*> ServiceManifestMap;
+typedef std::unordered_map<std::string, Service*> ServiceInstanceMap;
+
+static ServiceManifestMap service_manifest_map;
+static ServiceInstanceMap service_instance_map;
+
+static Mutex manifest_mutex(MutexTypeNormal);
+static Mutex instance_mutex(MutexTypeNormal);
+
+void service_registry_add(const ServiceManifest* manifest) {
+    TT_LOG_I(TAG, "adding %s", manifest->id.c_str());
+
+    manifest_mutex.acquire(TtWaitForever);
+    service_manifest_map[manifest->id] = manifest;
+    manifest_mutex.release();
+}
+
+const ServiceManifest* _Nullable service_registry_find_manifest_by_id(const std::string& id) {
+    manifest_mutex.acquire(TtWaitForever);
+    auto iterator = service_manifest_map.find(id);
+    _Nullable const ServiceManifest * manifest = iterator != service_manifest_map.end() ? iterator->second : nullptr;
+    manifest_mutex.release();
+    return manifest;
+}
+
+static Service* _Nullable service_registry_find_instance_by_id(const std::string& id) {
+    manifest_mutex.acquire(TtWaitForever);
+    auto iterator = service_instance_map.find(id);
+    _Nullable Service* service = iterator != service_instance_map.end() ? iterator->second : nullptr;
+    manifest_mutex.release();
+    return service;
+}
+
+void service_registry_for_each_manifest(ServiceManifestCallback callback, void* _Nullable context) {
+    manifest_mutex.acquire(TtWaitForever);
+    for (auto& it : service_manifest_map) {
+        callback(it.second, context);
+    }
+    manifest_mutex.release();
+}
+
+// TODO: return proper error/status instead of BOOL
+bool service_registry_start(const std::string& id) {
+    TT_LOG_I(TAG, "starting %s", id.c_str());
+    const ServiceManifest* manifest = service_registry_find_manifest_by_id(id);
+    if (manifest == nullptr) {
+        TT_LOG_E(TAG, "manifest not found for service %s", id.c_str());
+        return false;
+    }
+
+    auto* service = new Service(*manifest);
+    manifest->on_start(*service);
+
+    instance_mutex.acquire(TtWaitForever);
+    service_instance_map[manifest->id] = service;
+    instance_mutex.release();
+    TT_LOG_I(TAG, "started %s", id.c_str());
+
+    return true;
+}
+
+_Nullable Service* service_find(const std::string& service_id) {
+    return (Service*)service_registry_find_instance_by_id(service_id);
+}
+
+bool service_registry_stop(const std::string& id) {
+    TT_LOG_I(TAG, "stopping %s", id.c_str());
+    Service* service = service_registry_find_instance_by_id(id);
+    if (service == nullptr) {
+        TT_LOG_W(TAG, "service not running: %s", id.c_str());
+        return false;
+    }
+
+    service->getManifest().on_stop(*service);
+    delete service;
+
+    instance_mutex.acquire(TtWaitForever);
+    service_instance_map.erase(id);
+    instance_mutex.release();
+
+    TT_LOG_I(TAG, "stopped %s", id.c_str());
+
+    return true;
+}
+
+} // namespace