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grd-utils.h

@@ -0,0 +1,129 @@
+/*
+ * Copyright (C) 2022 Pascal Nowack
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
+ * 02111-1307, USA.
+ */
+
+#pragma once
+
+#include <gio/gio.h>
+#include <stdint.h>
+
+#include "grd-enums.h"
+
+typedef enum
+{
+  GRD_SYSTEMD_UNIT_ACTIVE_STATE_UNKNOWN = 0,
+  GRD_SYSTEMD_UNIT_ACTIVE_STATE_ACTIVE,
+  GRD_SYSTEMD_UNIT_ACTIVE_STATE_RELOADING,
+  GRD_SYSTEMD_UNIT_ACTIVE_STATE_INACTIVE,
+  GRD_SYSTEMD_UNIT_ACTIVE_STATE_FAILED,
+  GRD_SYSTEMD_UNIT_ACTIVE_STATE_ACTIVATING,
+  GRD_SYSTEMD_UNIT_ACTIVE_STATE_DEACTIVATING,
+} GrdSystemdUnitActiveState;
+
+typedef struct _GrdSyncPoint
+{
+  GCond sync_cond;
+  GMutex sync_mutex;
+  gboolean completed;
+
+  gboolean success;
+} GrdSyncPoint;
+
+static inline uint32_t
+grd_get_aligned_size (uint32_t size,
+                      uint32_t alignment)
+{
+  return size + (size % alignment ? alignment - size % alignment : 0);
+}
+
+void grd_sync_point_init (GrdSyncPoint *sync_point);
+
+void grd_sync_point_clear (GrdSyncPoint *sync_point);
+
+void grd_sync_point_reset (GrdSyncPoint *sync_point);
+
+void grd_sync_point_complete (GrdSyncPoint *sync_point,
+                              gboolean      success);
+
+gboolean grd_sync_point_wait_for_completion (GrdSyncPoint *sync_point);
+
+GSource * grd_create_fd_source (int             fd,
+                                const char     *name,
+                                GSourceFunc     prepare,
+                                GSourceFunc     dispatch,
+                                gpointer        user_data,
+                                GDestroyNotify  notify);
+
+gboolean grd_bind_socket (GSocketListener  *server,
+                          uint16_t          port,
+                          uint16_t         *selected_port,
+                          gboolean          port_negotiation_enabled,
+                          GError          **error);
+
+void grd_rewrite_path_to_user_data_dir (char       **path,
+                                        const char  *subdir,
+                                        const char  *fallback_path);
+
+gboolean grd_write_fd_to_file (int            fd,
+                               const char    *filename,
+                               GCancellable  *cancellable,
+                               GError       **error);
+
+gboolean grd_test_fd (int         fd,
+                      ssize_t     max_size,
+                      GFileTest  *test_results,
+                      GError    **error);
+
+gboolean grd_toggle_systemd_unit (GrdRuntimeMode   runtime_mode,
+                                  gboolean         enabled,
+                                  GError         **error);
+
+gboolean grd_systemd_get_unit (GBusType     bus_type,
+                               const char  *unit,
+                               GDBusProxy **proxy,
+                               GError     **error);
+
+gboolean grd_systemd_unit_get_active_state (GDBusProxy                 *unit_proxy,
+                                            GrdSystemdUnitActiveState  *active_state,
+                                            GError                    **error);
+
+void grd_close_connection_and_notify (GSocketConnection *connection);
+
+static inline int64_t
+us (int64_t us)
+{
+  return us;
+}
+
+static inline int64_t
+ms2us (int64_t ms)
+{
+  return us (ms * 1000);
+}
+
+static inline uint64_t
+s2ns (uint64_t s)
+{
+  return s * G_USEC_PER_SEC * UINT64_C (1000);
+}
+
+static inline int64_t
+s2us (uint64_t s)
+{
+  return ms2us (s * 1000);
+}