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 2, or (at your
+ by the Free Software Foundation; either version 3, or (at your
option) any later version.
GNUnet is distributed in the hope that it will be useful, but
* @brief common internal definitions for transport service
* @author Christian Grothoff
*/
+#ifndef TRANSPORT_H
+#define TRANSPORT_H
+
#include "gnunet_crypto_lib.h"
#include "gnunet_time_lib.h"
#include "gnunet_transport_service.h"
#define DEBUG_TRANSPORT GNUNET_NO
+#define DEBUG_TRANSPORT_TIMEOUT GNUNET_NO
+#define DEBUG_TRANSPORT_DISCONNECT GNUNET_NO
/**
* For how long do we allow unused bandwidth
- * from the past to carry over into the future? (in ms)
+ * from the past to carry over into the future? (in seconds)
*/
-#define MAX_BANDWIDTH_CARRY 5000
+#define MAX_BANDWIDTH_CARRY_S 5
/**
* How often do we (at most) do a full quota
*/
#define MIN_QUOTA_REFRESH_TIME 2000
+/**
+ * Message from the transport service to the library
+ * asking to check if both processes agree about this
+ * peers identity.
+ */
+struct StartMessage
+{
+
+ /**
+ * Type will be GNUNET_MESSAGE_TYPE_TRANSPORT_START
+ */
+ struct GNUNET_MessageHeader header;
+
+ /**
+ * Should the 'self' field be checked?
+ */
+ uint32_t do_check;
+
+ /**
+ * Identity we think we have. If it does not match, the
+ * receiver should print out an error message and disconnect.
+ */
+ struct GNUNET_PeerIdentity self;
+
+};
+
+
/**
* Message from the transport service to the library
* informing about neighbors.
struct GNUNET_MessageHeader header;
/**
- * Current quota for outbound traffic in bytes/ms.
- * (should be equal to system default)
+ * Transport distance metric (i.e. hops for DV)
*/
- uint32_t quota_out GNUNET_PACKED;
+ uint32_t distance;
/**
* Latency estimate.
};
-
/**
- * Message used to set a particular bandwidth quota. Send
- * TO the service to set an incoming quota, send FROM the
- * service to update an outgoing quota.
+ * Message type for sending a request connect message
+ * to the transport service. Must be done before transport
+ * api will allow messages to be queued/sent to transport
+ * service for transmission to a peer.
*/
-struct QuotaSetMessage
+struct TransportRequestConnectMessage
{
-
/**
- * Type will be GNUNET_MESSAGE_TYPE_TRANSPORT_NEIGHBOUR_INFO
+ * Message header
*/
struct GNUNET_MessageHeader header;
/**
- * Quota in bytes per ms, 0 to drop everything;
- * in network byte order.
- */
- uint32_t quota_in GNUNET_PACKED;
-
- /**
- * About which peer are we talking here?
+ * Identity of the peer we would like to connect to.
*/
struct GNUNET_PeerIdentity peer;
-
};
-
/**
- * Message used to ask the transport service to connect
- * to a particular peer.
+ * Message used to set a particular bandwidth quota. Send TO the
+ * service to set an incoming quota, send FROM the service to update
+ * an outgoing quota.
*/
-struct TryConnectMessage
+struct QuotaSetMessage
{
/**
- * Type will be GNUNET_MESSAGE_TYPE_TRANSPORT_TRY_CONNECT.
+ * Type will be GNUNET_MESSAGE_TYPE_TRANSPORT_NEIGHBOUR_INFO
*/
struct GNUNET_MessageHeader header;
/**
- * Always zero.
+ * Quota.
*/
- uint32_t reserved GNUNET_PACKED;
+ struct GNUNET_BANDWIDTH_Value32NBO quota;
/**
* About which peer are we talking here?
- */
+ */
struct GNUNET_PeerIdentity peer;
};
+
/**
* Message used to notify the transport API about a message
* received from the network. The actual message follows.
*/
struct GNUNET_PeerIdentity peer;
+ /**
+ * Distance metric.
+ */
+ uint32_t distance;
+
};
*/
uint32_t success GNUNET_PACKED;
+ /**
+ * Latency estimate.
+ */
+ struct GNUNET_TIME_RelativeNBO latency;
+
/**
* Which peer can send more now?
*/
struct GNUNET_MessageHeader header;
/**
- * Always zero.
+ * Message priority.
*/
- uint32_t reserved GNUNET_PACKED;
+ uint32_t priority GNUNET_PACKED;
+
+ /**
+ * Allowed delay.
+ */
+ struct GNUNET_TIME_RelativeNBO timeout;
/**
* Which peer should receive the message?
};
+/**
+ * Message from the library to the transport service
+ * asking for converting a transport address to a
+ * human-readable UTF-8 string.
+ */
+struct AddressLookupMessage
+{
+ /**
+ * Type will be GNUNET_MESSAGE_TYPE_TRANSPORT_ADDRESS_LOOKUP
+ */
+ struct GNUNET_MessageHeader header;
+
+ /**
+ * Should the conversion use numeric IP addresses (otherwise
+ * a reverse DNS lookup is OK -- if applicable).
+ */
+ int32_t numeric_only GNUNET_PACKED;
+
+ /**
+ * timeout to give up.
+ */
+ struct GNUNET_TIME_AbsoluteNBO timeout;
+
+ /**
+ * Length of the (binary) address in bytes, in big-endian.
+ */
+ uint32_t addrlen GNUNET_PACKED;
+ /* followed by 'addrlen' bytes of the actual address, then
+ followed by the 0-terminated name of the transport */
+};
+
+
+
+/**
+ * Change in blacklisting (either request or notification,
+ * depending on which direction it is going).
+ */
+struct BlacklistMessage
+{
+
+ /**
+ * Type will be GNUNET_MESSAGE_TYPE_TRANSPORT_BLACKLIST_QUERY or
+ * GNUNET_MESSAGE_TYPE_TRANSPORT_BLACKLIST_REPLY.
+ */
+ struct GNUNET_MessageHeader header;
+
+ /**
+ * 0 for the query, GNUNET_OK (allowed) or GNUNET_SYSERR (disallowed)
+ * for the response.
+ */
+ uint32_t is_allowed GNUNET_PACKED;
+
+ /**
+ * Which peer is being blacklisted or queried?
+ */
+ struct GNUNET_PeerIdentity peer;
+
+};
/* end of transport.h */
+#endif