1 files changed, 122 insertions, 0 deletions
diff --git a/src/libcharon/plugins/vici/vici_dispatcher.h b/src/libcharon/plugins/vici/vici_dispatcher.h
new file mode 100644
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+++ b/src/libcharon/plugins/vici/vici_dispatcher.h
@@ -0,0 +1,122 @@
+/*
+ * Copyright (C) 2013 Martin Willi
+ * Copyright (C) 2013 revosec AG
+ *
+ * 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.
+ */
+
+/**
+ * @defgroup vici_dispatcher vici_dispatcher
+ * @{ @ingroup vici
+ */
+
+#ifndef VICI_DISPATCHER_H_
+#define VICI_DISPATCHER_H_
+
+#include "vici_message.h"
+
+typedef struct vici_dispatcher_t vici_dispatcher_t;
+typedef enum vici_operation_t vici_operation_t;
+
+/**
+ * Default socket URI of vici service
+ */
+#ifdef WIN32
+# define VICI_DEFAULT_URI "tcp://127.0.0.1:4502"
+#else
+# define VICI_DEFAULT_URI "unix://" IPSEC_PIDDIR "/charon.vici"
+#endif
+
+/**
+ * Kind of vici operation
+ */
+enum vici_operation_t {
+	/** a named request message */
+	VICI_CMD_REQUEST,
+	/** an unnamed response message to a request */
+	VICI_CMD_RESPONSE,
+	/** unnamed response if requested command is unknown */
+	VICI_CMD_UNKNOWN,
+	/** a named event registration request */
+	VICI_EVENT_REGISTER,
+	/** a named event unregistration request */
+	VICI_EVENT_UNREGISTER,
+	/** unnamed response for successful event (un-)registration */
+	VICI_EVENT_CONFIRM,
+	/** unnamed response if event (un-)registration failed */
+	VICI_EVENT_UNKNOWN,
+	/** a named event message */
+	VICI_EVENT,
+};
+
+/**
+ * Vici command callback function
+ *
+ * @param user			user data, as supplied during registration
+ * @param name			name of the command it has been registered under
+ * @param id			client connection identifier
+ * @param request		request message data
+ * @return				response message
+ */
+typedef vici_message_t* (*vici_command_cb_t)(void *user, char *name, u_int id,
+											 vici_message_t *request);
+
+/**
+ * Vici command dispatcher.
+ */
+struct vici_dispatcher_t {
+
+	/**
+	 * Register/Unregister a callback invoked for a specific command request.
+	 *
+	 * @param name			name of the command
+	 * @param cb			callback function to register, NULL to unregister
+	 * @param user			user data to pass to callback
+	 */
+	void (*manage_command)(vici_dispatcher_t *this, char *name,
+						   vici_command_cb_t cb, void *user);
+
+	/**
+	 * Register/Unregister an event type to send.
+	 *
+	 * The dispatcher internally manages event subscriptions. Clients registered
+	 * for an event will receive such messages when the event is raised.
+	 *
+	 * @param name			event name to manager
+	 * @param reg			TRUE to register, FALSE to unregister
+	 */
+	void (*manage_event)(vici_dispatcher_t *this, char *name, bool reg);
+
+	/**
+	 * Raise an event to a specific or all clients registered to that event.
+	 *
+	 * @param name			event name to raise
+	 * @param id			client connection ID, 0 for all
+	 * @param message		event message to send, gets destroyed
+	 */
+	void (*raise_event)(vici_dispatcher_t *this, char *name, u_int id,
+						vici_message_t *message);
+
+	/**
+	 * Destroy a vici_dispatcher_t.
+	 */
+	void (*destroy)(vici_dispatcher_t *this);
+};
+
+/**
+ * Create a vici_dispatcher instance.
+ *
+ * @param uri		uri for listening stream service
+ * @return			dispatcher instance
+ */
+vici_dispatcher_t *vici_dispatcher_create(char *uri);
+
+#endif /** VICI_DISPATCHER_H_ @}*/