Added SILC Accelerator Library.

[silc.git] / lib / silcacc / silcacc.c

diff --git a/lib/silcacc/silcacc.c b/lib/silcacc/silcacc.c
new file mode 100644 (file)
index 0000000..e50a0ea
--- /dev/null
+++ b/lib/silcacc/silcacc.c
@@ -0,0 +1,174 @@
+/*
+
+  silcacc.c
+
+  Author: Pekka Riikonen <priikone@silcnet.org>
+
+  Copyright (C) 2007 Pekka Riikonen
+
+  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; version 2 of the License.
+
+  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.
+
+*/
+
+#include "silc.h"
+#include "softacc.h"
+
+/************************** Types and definitions ***************************/
+
+#ifndef SILC_SYMBIAN
+/* Dynamically registered list of accelerators. */
+SilcDList silc_acc_list = NULL;
+#endif /* SILC_SYMBIAN */
+
+/* Static list of accelerators */
+const SilcAcceleratorStruct *silc_default_accs[] =
+{
+#ifndef SILC_SYMBIAN
+  /* Software accelerator */
+  &softacc,
+#endif /* SILC_SYMBIAN */
+  NULL
+};
+
+/*************************** SILC Accelerator API ***************************/
+
+/* Register accelerator */
+
+SilcBool silc_acc_register(const SilcAccelerator acc)
+{
+  if (!acc)
+    return FALSE;
+
+  if (!silc_acc_list) {
+    silc_acc_list = silc_dlist_init();
+    if (!silc_acc_list)
+      return FALSE;
+  }
+
+  SILC_LOG_DEBUG(("Register accelerator %p, name %s", acc, acc->name));
+  silc_dlist_add(silc_acc_list, acc);
+
+  return TRUE;
+}
+
+/* Unregister accelerator */
+
+void silc_acc_unregister(SilcAccelerator acc)
+{
+  if (!acc)
+    return;
+
+  if (!silc_acc_list)
+    return;
+
+  SILC_LOG_DEBUG(("Unregister accelerator %p, name %s", acc, acc->name));
+  silc_dlist_del(silc_acc_list, acc);
+
+  if (!silc_dlist_count(silc_acc_list)) {
+    silc_dlist_uninit(silc_acc_list);
+    silc_acc_list = NULL;
+  }
+}
+
+/* Initialize accelerator */
+
+SilcBool silc_acc_init(SilcAccelerator acc, SilcSchedule schedule, ...)
+{
+  va_list va;
+  SilcBool ret;
+
+  if (!acc || !schedule)
+    return FALSE;
+
+  SILC_LOG_DEBUG(("Initialize accelerator %p, name %s", acc, acc->name));
+
+  va_start(va, schedule);
+  ret = acc->init(schedule, va);
+  va_end(va);
+
+  return ret;
+}
+
+/* Uninitialize accelerator */
+
+SilcBool silc_acc_uninit(SilcAccelerator acc)
+{
+  if (!acc)
+    return FALSE;
+
+  SILC_LOG_DEBUG(("Uninitialize accelerator %p, name %s", acc, acc->name));
+  return acc->uninit();
+}
+
+/* Get list of registered accelerator */
+
+SilcDList silc_acc_get_supported(void)
+{
+  SilcDList list;
+  SilcAccelerator acc;
+  int i;
+
+  list = silc_dlist_init();
+  if (!list)
+    return NULL;
+
+  if (silc_acc_list) {
+    silc_dlist_start(silc_acc_list);
+    while ((acc = silc_dlist_get(silc_acc_list)))
+      silc_dlist_add(list, acc);
+  }
+
+  for (i = 0; silc_default_accs[i]->name; i++)
+    silc_dlist_add(list, (void *)silc_default_accs[i]);
+
+  return list;
+}
+
+/* Get accelerator */
+
+SilcAccelerator silc_acc_find(const char *name)
+{
+  SilcAccelerator acc;
+  int i;
+
+  if (!name)
+    return NULL;
+
+  SILC_LOG_DEBUG(("Find accelerator %s", name));
+
+  if (silc_acc_list) {
+    silc_dlist_start(silc_acc_list);
+    while ((acc = silc_dlist_get(silc_acc_list))) {
+      if (!strcmp(acc->name, name)) {
+       SILC_LOG_DEBUG(("Found accelerator %p", acc));
+       return acc;
+      }
+    }
+  }
+
+  for (i = 0; silc_default_accs[i]->name; i++) {
+    if (!strcmp(silc_default_accs[i]->name, name)) {
+      SILC_LOG_DEBUG(("Found accelerator %p", silc_default_accs[i]));
+      return (SilcAccelerator)silc_default_accs[i];
+    }
+  }
+
+  SILC_LOG_DEBUG(("Accelerator %s does not exist", name));
+  return NULL;
+}
+
+/* Get accelerator name */
+
+const char *silc_acc_get_name(SilcAccelerator acc)
+{
+  if (!acc)
+    return NULL;
+  return acc->name;
+}