implement IMC and IMV manager classes

2010-11-09 20:43:50 +01:00
parent c78be5691c
commit b25633314e
20 changed files with 757 additions and 88 deletions
@@ -0,0 +1,129 @@
+/*
+ * Copyright (C) 2006 Mike McCauley
+ * Copyright (C) 2010 Andreas Steffen, HSR Hochschule fuer Technik Rapperswil
+ *
+ * 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.  See <http://www.fsf.org/copyleft/gpl.txt>.
+ *
+ * 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 "tnc_imv_manager.h"
+
+#include <tnc/imv/imv_manager.h>
+#include <tnc/tncifimv.h>
+
+#include <debug.h>
+#include <library.h>
+#include <utils/linked_list.h>
+
+typedef struct private_tnc_imv_manager_t private_tnc_imv_manager_t;
+
+struct private_tnc_imv_manager_t {
+
+	/**
+	 * Public members of imv_manager_t.
+	 */
+	imv_manager_t public;
+
+	/**
+	 * Linked list of IMVs
+	 */
+	linked_list_t *imvs;
+
+	/**
+	 * Next IMV ID to be assigned
+	 */
+	TNC_IMVID next_imv_id;
+};
+
+METHOD(imv_manager_t, add, bool,
+	private_tnc_imv_manager_t *this, imv_t *imv)
+{
+	TNC_Version version;
+
+	/* Initialize the IMV module */
+	imv->set_id(imv, this->next_imv_id);
+	if (imv->initialize(imv->get_id(imv), TNC_IFIMV_VERSION_1,
+		TNC_IFIMV_VERSION_1, &version) != TNC_RESULT_SUCCESS)
+	{
+		DBG1(DBG_TNC, "could not initialize IMV '%s'",
+					   imv->get_name(imv));
+		return FALSE;
+	}
+    if (imv->provide_bind_function(imv->get_id(imv), TNC_TNCS_BindFunction)
+			!= TNC_RESULT_SUCCESS)
+	{
+		DBG1(DBG_TNC, "could not provide bind function for IMV '%s'",
+					   imv->get_name(imv));
+		return FALSE;
+	}
+	this->imvs->insert_last(this->imvs, imv);
+	this->next_imv_id++;
+	return TRUE;
+}
+
+METHOD(imv_manager_t, notify_connection_change, void,
+	private_tnc_imv_manager_t *this, TNC_ConnectionID id,
+	TNC_ConnectionState state)
+{
+	enumerator_t *enumerator;
+	imv_t *imv;
+
+	enumerator = this->imvs->create_enumerator(this->imvs);
+	while (enumerator->enumerate(enumerator, &imv))
+	{
+		if (imv->notify_connection_change)
+		{
+			imv->notify_connection_change(imv->get_id(imv), id, state);
+		}
+	}
+	enumerator->destroy(enumerator);
+}
+
+METHOD(imv_manager_t, destroy, void,
+	private_tnc_imv_manager_t *this)
+{
+	imv_t *imv;
+
+	while (this->imvs->remove_last(this->imvs, (void**)&imv) == SUCCESS)
+	{
+		if (imv->terminate &&
+			imv->terminate(imv->get_id(imv)) != TNC_RESULT_SUCCESS)
+		{
+			DBG1(DBG_TNC, "IMV '%s' not terminated successfully",
+						   imv->get_name(imv));
+		}
+		imv->destroy(imv);
+	}
+	this->imvs->destroy(this->imvs);
+	free(this);
+}
+
+/**
+ * Described in header.
+ */
+imv_manager_t* tnc_imv_manager_create(void)
+{
+	private_tnc_imv_manager_t *this;
+
+	INIT(this,
+		.public = {
+			.add = _add,
+			.notify_connection_change = _notify_connection_change,
+			.destroy = _destroy,
+        },
+		.imvs = linked_list_create(),
+		.next_imv_id = 1,
+	);
+
+
+	return &this->public;
+}
+
+