get friend codes

nx/include/switch/services/friends.h

@@ -11,6 +11,14 @@
 #include "../services/acc.h"
 #include "../sf/service.h"
 
+typedef enum {
+    FriendServiceType_User        = 0, ///< Initializes friend:u
+    FriendServiceType_V           = 1, ///< Initializes friend:v
+    FriendServiceType_M           = 2, ///< Initializes friend:m
+    FriendServiceType_S           = 3, ///< Initializes friend:s
+    FriendServiceType_Application = 4  ///< Initializes friend:a
+} FriendServiceType;
+
 /// InAppScreenName
 typedef struct {
     char name[0x40];                   ///< UTF-8 string, NUL-terminated.
@@ -32,6 +40,36 @@ typedef struct {
     u64 id;                            ///< Id.
 } FriendsFriendInvitationGroupId;
 
+/// FriendsUserSetting
+typedef struct {
+    AccountUid uid;                     ///< User ID
+    u32 presence_permission;            ///< Presence permission
+    u32 play_log_permission;            ///< Play log permission
+    u64 friend_request_reception;       ///< Unknown
+    char friend_code[0x20];             ///< Friend Code
+    u64 friend_code_next_issuable_time; ///< Unknown
+    char extra[0x7C8];                  ///< Extra
+} FriendUserSetting;
+
+/// Initialize friends
+Result friendsInitialize(FriendServiceType service_type);
+
+/// Exit friends
+void friendsExit(void);
+
+/// Gets the Service object for the friends service session.
+Service * friendsGetServiceSession(void);
+
+/// Gets the Service object for the actual IFriendsService service session.
+Service* friendsGetServiceSession_IFriendsService(void);
+
+/**
+ * @brief Gets the \ref FriendUserSetting details
+ * @param[in] uid \ref User AccountUid.
+ * @param[out] user_setting \ref FriendUserSetting
+ */
+Result friendsGetUserSetting(AccountUid uid, FriendUserSetting * user_setting);
+
 /**
  * @brief Gets an Event which is signaled when data is available with \ref friendsTryPopFriendInvitationNotificationInfo.
  * @note This is a wrapper for \ref appletGetFriendInvitationStorageChannelEvent, see that for the usage requirements.
@@ -51,4 +89,3 @@ NX_INLINE Result friendsGetFriendInvitationNotificationEvent(Event *out_event) {
  * @param[out] out_size Size of the data which was written into the output buffer. Optional, can be NULL.
  */
 Result friendsTryPopFriendInvitationNotificationInfo(AccountUid *uid, void* buffer, u64 size, u64 *out_size);
-

nx/source/services/friends.c

@@ -1,6 +1,65 @@
 #include "service_guard.h"
 #include "services/friends.h"
 
+static FriendServiceType g_friendsServiceType;
+
+static Service g_friendSrv;
+static Service g_friendsIFriendService;
+
+NX_GENERATE_SERVICE_GUARD_PARAMS(friends, (FriendServiceType service_type), (service_type));
+
+Result _friendsInitialize(FriendServiceType service_type) {
+    Result rc = MAKERESULT(Module_Libnx, LibnxError_BadInput);
+
+    g_friendsServiceType = service_type;
+
+    switch (g_friendsServiceType) {
+        case FriendServiceType_User:
+            rc = smGetService(&g_friendSrv, "friend:u");
+            break;
+        case FriendServiceType_Application:
+            rc = smGetService(&g_friendSrv, "friend:a");
+            break;
+        case FriendServiceType_M:
+            rc = smGetService(&g_friendSrv, "friend:m");
+            break;
+        case FriendServiceType_V:
+            rc = smGetService(&g_friendSrv, "friend:v");
+            break;
+        case FriendServiceType_S:
+            rc = smGetService(&g_friendSrv, "friend:s");
+            break;
+    }
+
+    rc = serviceDispatch(&g_friendSrv, 0,
+        .out_num_objects = 1,
+        .out_objects = &g_friendsIFriendService,
+    );
+
+    return rc;
+}
+
+void _friendsCleanup(void) {
+    serviceClose(&g_friendsIFriendService);
+    serviceClose(&g_friendSrv);
+}
+
+Service* friendsGetServiceSession(void) {
+    return &g_friendSrv;
+}
+
+Service* friendsGetServiceSession_IFriendsService(void)
+{
+    return &g_friendsIFriendService;
+}
+
+Result friendsGetUserSetting(AccountUid uid, FriendUserSetting * user_setting) {
+    return serviceDispatchIn(&g_friendsIFriendService, 20800, uid,
+        .buffer_attrs = { SfBufferAttr_HipcPointer | SfBufferAttr_Out | SfBufferAttr_FixedSize },
+        .buffers = { { user_setting, sizeof(FriendUserSetting) } }
+    );
+}
+
 Result friendsTryPopFriendInvitationNotificationInfo(AccountUid *uid, void* buffer, u64 size, u64 *out_size) {
     Result rc=0;
     AppletStorage storage;
@@ -27,4 +86,3 @@ Result friendsTryPopFriendInvitationNotificationInfo(AccountUid *uid, void* buff
     appletStorageClose(&storage);
     return rc;
 }
-