Add domain handling to sm.h

nx/include/switch/services/sm.h

@@ -12,14 +12,17 @@
 
 /// Service type.
 typedef enum {
-    ServiceType_Uninitialized, ///< Uninitialized service.
+    ServiceType_Uninitialized,      ///< Uninitialized service.
-    ServiceType_Normal,        ///< Normal service.
+    ServiceType_Normal,             ///< Normal service.
-    ServiceType_Override       ///< Service overriden in the homebrew environment.
+    ServiceType_Domain,             ///< Domain.
+    ServiceType_DomainSubservice,   ///< Domain subservice;
+    ServiceType_Override            ///< Service overriden in the homebrew environment.
 } ServiceType;
 
 /// Service object structure.
 typedef struct {
     Handle handle;
+    u32 object_id;
     ServiceType type;
 } Service;
 
@@ -41,10 +44,47 @@ static inline bool serviceIsActive(Service* s) {
     return s->type != ServiceType_Uninitialized;
 }
 
+/**
+ * @brief Returns whether a service is a domain.
+ * @param[in] s Service object.
+ * @return true if a domain.
+ */
+static inline bool serviceIsDomain(Service* s) {
+    return s->type == ServiceType_Domain;
+}
+
+/**
+ * @brief Returns whether a service is a domain subservice.
+ * @param[in] s Service object.
+ * @return true if a domain subservice.
+ */
+static inline bool serviceIsDomainSubservice(Service* s) {
+    return s->type == ServiceType_DomainSubservice;
+}
+
+/**
+ * @brief For a domain/domain subservice, return the associated object ID.
+ * @param[in] s Service object, necessarily a domain or domain subservice.
+ * @return The object ID.
+ */
+static inline u32 serviceGetObjectId(Service* s) {
+    return s->object_id;
+}
+
+/**
+ * @brief Closes a domain object by ID.
+ * @param[in] s Service object, necessarily a domain or domain subservice.
+ * @param object_id ID of the object to close.
+ * @return Result code.
+ */
+static inline Result serviceCloseObjectById(Service* s, u32 object_id) {
+    return ipcCloseObjectById(s->handle, object_id);
+}
+
 /**
  * @brief Dispatches an IPC request to a service.
  * @param[in] s Service object.
- * @return Result code
+ * @return Result code.
  */
 static inline Result serviceIpcDispatch(Service* s) {
     return ipcDispatch(s->handle);
@@ -52,12 +92,37 @@ static inline Result serviceIpcDispatch(Service* s) {
 
 /**
  * @brief Creates a service object from an IPC session handle.
- * @param[in] s Service object.
+ * @param[out] s Service object.
  * @param[in] h IPC session handle.
  */
 static inline void serviceCreate(Service* s, Handle h) {
     s->handle = h;
     s->type = ServiceType_Normal;
+    s->object_id = IPC_INVALID_OBJECT_ID;
+}
+
+/**
+ * @brief Creates a domain subservice object from a parent service.
+ * @param[out] s Service object.
+ * @param[in] parent Parent service, necessarily a domain or domain subservice.
+ * @param[in] object_id Object ID for this subservice.
+ */
+static inline void serviceCreateDomainSubservice(Service* s, Service* parent, u32 object_id) {
+    s->handle = parent->handle;
+    s->type = ServiceType_DomainSubservice;
+    s->object_id = object_id;
+}
+
+/**
+ * @brief Converts a regular service to a domain.
+ * @param[in] s Service object.
+ * @return Result code.
+ */
+static inline Result serviceConvertToDomain(Service* s) {
+    Result rc = ipcConvertSessionToDomain(s->handle, &s->object_id);
+    if(R_SUCCEEDED(rc))
+        s->type = ServiceType_Domain;
+    return rc;
 }
 
 /**
@@ -68,9 +133,14 @@ static inline void serviceClose(Service* s) {
     switch (s->type) {
 
     case ServiceType_Normal:
+    case ServiceType_Domain:
         svcCloseHandle(s->handle);
         break;
 
+    case ServiceType_DomainSubservice:
+        serviceCloseObjectById(s, s->object_id);
+        break;
+
     case ServiceType_Override:
         // Don't close because we don't own the overridden handle.
         break;