/*
This file is part of GNUnet.
- (C) 2010,2011 Christian Grothoff (and other contributing authors)
+ Copyright (C) 2010,2011 GNUnet e.V.
- GNUnet 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 3, or (at your
- option) any later version.
+ GNUnet is free software: you can redistribute it and/or modify it
+ under the terms of the GNU Affero General Public License as published
+ by the Free Software Foundation, either version 3 of the License,
+ or (at your option) any later version.
GNUnet 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.
+ Affero General Public License for more details.
+
+ You should have received a copy of the GNU Affero General Public License
+ along with this program. If not, see <http://www.gnu.org/licenses/>.
- You should have received a copy of the GNU General Public License
- along with GNUnet; see the file COPYING. If not, write to the
- Free Software Foundation, Inc., 59 Temple Place - Suite 330,
- Boston, MA 02111-1307, USA.
+ SPDX-License-Identifier: AGPL3.0-or-later
*/
/**
#ifndef GNUNET_SERVICE_TRANSPORT_H
#define GNUNET_SERVICE_TRANSPORT_H
+#include "gnunet_util_lib.h"
#include "gnunet_statistics_service.h"
+#include "gnunet_ats_service.h"
#include "gnunet_transport_service.h"
-#include "gnunet_util_lib.h"
#define VERBOSE_VALIDATION GNUNET_YES
*/
extern struct GNUNET_PEERINFO_Handle *GST_peerinfo;
-/**
- * Our public key.
- */
-extern struct GNUNET_CRYPTO_EccPublicKeyBinaryEncoded GST_my_public_key;
-
/**
* Our private key.
*/
-extern struct GNUNET_CRYPTO_EccPrivateKey *GST_my_private_key;
+extern struct GNUNET_CRYPTO_EddsaPrivateKey *GST_my_private_key;
/**
* ATS handle.
*/
extern struct GNUNET_ATS_SchedulingHandle *GST_ats;
+/**
+ * ATS connectivity handle.
+ */
+extern struct GNUNET_ATS_ConnectivityHandle *GST_ats_connect;
+
+/**
+ * Interface scanner determines our LAN address range(s).
+ */
+extern struct GNUNET_NT_InterfaceScanner *GST_is;
+
+
+/**
+ * Function to call when a peer's address has changed
+ *
+ * @param cls closure
+ * @param peer peer this update is about,
+ * @param address address, NULL for disconnect notification
+ */
+typedef void
+(*GNUNET_TRANSPORT_NeighbourChangeCallback) (void *cls,
+ const struct GNUNET_PeerIdentity *peer,
+ const struct GNUNET_HELLO_Address *address,
+ enum GNUNET_TRANSPORT_PeerState state,
+ struct GNUNET_TIME_Absolute state_timeout,
+ struct GNUNET_BANDWIDTH_Value32NBO bandwidth_in,
+ struct GNUNET_BANDWIDTH_Value32NBO bandwidth_out);
+
+
+/**
+ * Continuation called from a blacklist test.
+ *
+ * @param cls closure
+ * @param peer identity of peer that was tested
+ * @param address address associated with the request
+ * @param session session associated with the request
+ * @param result #GNUNET_OK if the connection is allowed,
+ * #GNUNET_NO if not,
+ * #GNUNET_SYSERR if operation was aborted
+ */
+typedef void
+(*GST_BlacklistTestContinuation) (void *cls,
+ const struct GNUNET_PeerIdentity *peer,
+ const struct GNUNET_HELLO_Address *address,
+ struct GNUNET_ATS_Session *session,
+ int result);
+
+
+/**
+ * Add the given peer to the blacklist (for the given transport).
+ *
+ * @param peer peer to blacklist
+ * @param transport_name transport to blacklist for this peer, NULL for all
+ */
+void
+GST_blacklist_add_peer (const struct GNUNET_PeerIdentity *peer,
+ const char *transport_name);
+
+
+/**
+ * Handle to an active blacklist check.
+ */
+struct GST_BlacklistCheck;
+
+
+
+/**
+ * Test if a peer/transport combination is blacklisted.
+ *
+ * @param peer the identity of the peer to test
+ * @param transport_name name of the transport to test, never NULL
+ * @param cont function to call with result
+ * @param cont_cls closure for @a cont
+ * @param address address to pass back to @a cont, can be NULL
+ * @param session session to pass back to @a cont, can be NULL
+ * @return handle to the blacklist check, NULL if the decision
+ * was made instantly and @a cont was already called
+ */
+struct GST_BlacklistCheck *
+GST_blacklist_test_allowed (const struct GNUNET_PeerIdentity *peer,
+ const char *transport_name,
+ GST_BlacklistTestContinuation cont,
+ void *cont_cls,
+ const struct GNUNET_HELLO_Address *address,
+ struct GNUNET_ATS_Session *session);
+
+
+/**
+ * Abort blacklist if @a address and @a session match.
+ *
+ * @param address address used to abort matching checks
+ * @param session session used to abort matching checks
+ */
+void
+GST_blacklist_abort_matching (const struct GNUNET_HELLO_Address *address,
+ struct GNUNET_ATS_Session *session);
+
+/**
+ * Cancel a blacklist check.
+ *
+ * @param bc check to cancel
+ */
+void
+GST_blacklist_test_cancel (struct GST_BlacklistCheck *bc);
+
+
/**
* Function called by the transport for each received message.
- * This function should also be called with "NULL" for the
- * message to signal that the other peer disconnected.
*
* @param cls closure, const char* with the name of the plugin we received the message from
- * @param peer (claimed) identity of the other peer
- * @param message the message, NULL if we only care about
- * learning about the delay until we should receive again -- FIXME!
+ * @param address address and (claimed) identity of the other peer
* @param session identifier used for this session (NULL for plugins
* that do not offer bi-directional communication to the sender
* using the same "connection")
- * @param sender_address binary address of the sender (if we established the
- * connection or are otherwise sure of it; should be NULL
- * for inbound TCP/UDP connections since it it not clear
- * that we could establish ourselves a connection to that
- * IP address and get the same system)
- * @param sender_address_len number of bytes in sender_address
+ * @param message the message, NULL if we only care about
+ * learning about the delay until we should receive again
* @return how long the plugin should wait until receiving more data
* (plugins that do not support this, can ignore the return value)
*/
struct GNUNET_TIME_Relative
-GST_receive_callback (void *cls, const struct GNUNET_PeerIdentity *peer,
- const struct GNUNET_MessageHeader *message,
- struct Session *session,
- const char *sender_address,
- uint16_t sender_address_len);
+GST_receive_callback (void *cls,
+ const struct GNUNET_HELLO_Address *address,
+ struct GNUNET_ATS_Session *session,
+ const struct GNUNET_MessageHeader *message);
+
+/**
+ * Broadcast the given message to all of our clients.
+ *
+ * @param msg message to broadcast
+ * @param may_drop #GNUNET_YES if the message can be dropped / is payload
+ */
+void
+GST_clients_broadcast (const struct GNUNET_MessageHeader *msg,
+ int may_drop);
+
+/**
+ * Broadcast the new active address to all clients monitoring the peer.
+ *
+ * @param peer peer this update is about (never NULL)
+ * @param address address, NULL on disconnect
+ * @param state the current state of the peer
+ * @param state_timeout the time out for the state
+ */
void
-GST_update_ats_metrics (struct GNUNET_PeerIdentity *peer,
- struct GNUNET_HELLO_Address *address,
- struct Session *session,
- struct GNUNET_ATS_Information *ats,
- uint32_t ats_count);
+GST_clients_broadcast_peer_notification (const struct GNUNET_PeerIdentity *peer,
+ const struct GNUNET_HELLO_Address *address,
+ enum GNUNET_TRANSPORT_PeerState state,
+ struct GNUNET_TIME_Absolute state_timeout);
+
+
+/**
+ * Notify all clients about a disconnect, and cancel
+ * pending SEND_OK messages for this peer.
+ *
+ * @param peer peer that disconnected
+ */
+void
+GST_clients_broadcast_disconnect (const struct GNUNET_PeerIdentity *peer);
+
+
+
#endif
/* end of file gnunet-service-transport_plugins.h */
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