#define MESH_H_
#include <stdint.h>
-#include <gnunet_mesh_service.h>
+#define MESH_DEBUG GNUNET_YES
+
+
+#include "platform.h"
#include "gnunet_common.h"
+#include "gnunet_util_lib.h"
+#include "gnunet_peer_lib.h"
+#include "gnunet_core_service.h"
+#include "gnunet_protocols.h"
+#include <gnunet_mesh_service_new.h>
/******************************************************************************/
-/******************** MESH NETWORK MESSAGES **************************/
+/******************** MESH LOCAL MESSAGES *************************/
/******************************************************************************/
-/* API CALL MESSAGE USED
- * -------- ------------
- * connect GNUNET_MESH_Connect
- * disconnect None (network level disconnect)
+/* Any API call should be documented in the folowing table under API CALL.
+ * Also, any message type should be documented in the following table, with the
+ * associated event.
+ *
+ * API CALL (GNUNET_MESH_*) MESSAGE USED
+ * ------------------------ ------------
+ * connect GNUNET_MESH_ClientConnect
+ * disconnect None (network level disconnect)
+ *
+ * tunnel_create GNUNET_MESH_TunnelMessage
+ * tunnel_destroy GNUNET_MESH_TunnelMessage
+ *
+ * peer_request_connect_add GNUNET_MESH_PeerControl
+ * peer_request_connect_del GNUNET_MESH_PeerControl
+ * peer_request_connect_by_type GNUNET_MESH_ConnectPeerByType
+ *
+ * notify_transmit_ready *GNUNET_MESH_TransmitReady?*
+ * notify_transmit_ready_cancel None (clear of internal data structures)
*
- * tunnel_create GNUNET_MESH_TunnelMessage
- * tunnel_destroy GNUNET_MESH_TunnelMessage
*
- * peer_request_connect_add GNUNET_MESH_ConnectPeer
- * peer_request_connect_del GNUNET_MESH_ConnectPeer
- * peer_request_connect_by_type GNUNET_MESH_ConnectPeerByType
*
- * notify_transmit_ready GNUNET_MESH_Control
- * notify_transmit_ready_cancel None
+ * EVENT MESSAGE USED
+ * ----- ------------
+ * data GNUNET_MESH_Data OR
+ * GNUNET_MESH_DataBroadcast
+ * new incoming tunnel GNUNET_MESH_PeerControl
+ * peer connects to a tunnel GNUNET_MESH_PeerControl
+ * peer disconnects from a tunnel GNUNET_MESH_PeerControl
*/
+/******************************************************************************/
+/************************** CONSTANTS ******************************/
+/******************************************************************************/
+
+#define GNUNET_MESH_LOCAL_TUNNEL_ID_CLI 0x80000000
+#define GNUNET_MESH_LOCAL_TUNNEL_ID_SERV 0xB0000000
+
+#define CORE_QUEUE_SIZE 10
+#define LOCAL_QUEUE_SIZE 100
+
+/******************************************************************************/
+/************************** MESSAGES ******************************/
+/******************************************************************************/
-struct GNUNET_MESH_Connect {
+/**
+ * Message for a client to register to the service
+ */
+struct GNUNET_MESH_ClientConnect
+{
/**
* Type: GNUNET_MESSAGE_TYPE_MESH_LOCAL_CONNECT
*
- * Size: sizeof(struct GNUNET_MESH_Connect) + messages_subscribed * sizeof (message_type)
+ * Size: sizeof(struct GNUNET_MESH_ClientConnect) +
+ * sizeof(MESH_ApplicationType) * applications +
+ * sizeof(uint16_t) * types
*/
- struct GNUNET_MessageHeader header;
-
- /* uint16_t messages_subscribed[] */
+ struct GNUNET_MessageHeader header;
+ uint16_t applications GNUNET_PACKED;
+ uint16_t types GNUNET_PACKED;
+ /* uint16_t list_apps[applications] */
+ /* uint16_t list_types[types] */
};
/**
- *
+ * Type for tunnel numbering.
+ * - Local tunnel numbers given by the service (incoming) are >= 0xB0000000
+ * - Local tunnel numbers given by the client (created) are >= 0x80000000
+ * - Global tunnel numbers are < 0x80000000
*/
-struct GNUNET_MESH_TunnelMessage {
+typedef uint32_t MESH_TunnelNumber;
+
+/**
+ * Message for a client to create and destroy tunnels.
+ */
+struct GNUNET_MESH_TunnelMessage
+{
/**
* Type: GNUNET_MESSAGE_TYPE_MESH_LOCAL_TUNNEL_[CREATE|DESTROY]
+ *
+ * Size: sizeof(struct GNUNET_MESH_TunnelMessage)
*/
- struct GNUNET_MessageHeader header;
+ struct GNUNET_MessageHeader header;
- /**
- * ID of a tunnel controlled by this client.
- */
- uint32_t tunnel_id GNUNET_PACKED;
+ /**
+ * ID of a tunnel controlled by this client.
+ */
+ MESH_TunnelNumber tunnel_id GNUNET_PACKED;
};
-struct GNUNET_MESH_PeerControl {
+/**
+ * Message for the service to let a client know about created tunnels.
+ */
+struct GNUNET_MESH_TunnelNotification
+{
+ /**
+ * Type: GNUNET_MESSAGE_TYPE_MESH_LOCAL_TUNNEL_CREATE
+ *
+ * Size: sizeof(struct GNUNET_MESH_TunnelMessage)
+ */
+ struct GNUNET_MessageHeader header;
+
+ /**
+ * ID of a tunnel controlled by this client.
+ */
+ MESH_TunnelNumber tunnel_id GNUNET_PACKED;
+
+ /**
+ * Peer at the other end, if any
+ */
+ struct GNUNET_PeerIdentity peer;
+};
+
+/**
+ * Message for:
+ * - request adding and deleting peers from a tunnel
+ * - notify the client that peers have connected:
+ * -- requested
+ * -- unrequested (new incoming tunnels)
+ * - notify the client that peers have disconnected
+ */
+struct GNUNET_MESH_PeerControl
+{
/**
- * Type: GNUNET_MESSAGE_TYPE_MESH_LOCAL_CONNECT_PEER_[ADD|DEL] (client to service, client created tunnel)
- * Type: GNUNET_MESSAGE_TYPE_MESH_LOCAL_TUNNEL_NOTIFY[CONNECT|DISCONNECT] (service to client)
- *
- * Size: sizeof(struct GNUNET_MESH_PeerControl)
+ * Type: GNUNET_MESSAGE_TYPE_MESH_LOCAL_CONNECT_PEER_[ADD|DEL]
+ * (client to service, client created tunnel)
+ * GNUNET_MESSAGE_TYPE_MESH_LOCAL_PEER_[CONNECTED|DISCONNECTED]
+ * (service to client)
+ *
+ * Size: sizeof(struct GNUNET_MESH_PeerControl)
*/
struct GNUNET_MessageHeader header;
/**
* ID of a tunnel controlled by this client.
*/
- uint32_t tunnel_id GNUNET_PACKED;
-
+ MESH_TunnelNumber tunnel_id GNUNET_PACKED;
+
/**
* Peer to connect/disconnect.
*/
};
-
-
-struct GNUNET_MESH_ConnectPeerByType {
+/**
+ * Message for connecting to peers offering a certain service.
+ */
+struct GNUNET_MESH_ConnectPeerByType
+{
/**
- * Type: GNUNET_MESSAGE_TYPE_MESH_LOCAL_CONNECT_PEER_BY_TYPE
+ * Type: GNUNET_MESSAGE_TYPE_MESH_LOCAL_CONNECT_PEER_BY_TYPE |
+ * GNUNET_MESSAGE_TYPE_MESH_LOCAL_DISCONNECT_PEER_BY_TYPE
*/
- struct GNUNET_MessageHeader header;
+ struct GNUNET_MessageHeader header;
/**
* ID of a tunnel controlled by this client.
*/
- uint32_t tunnel_id GNUNET_PACKED;
-
+ MESH_TunnelNumber tunnel_id GNUNET_PACKED;
+
/**
- * Type specification
+ * Type specification
*/
- GNUNET_MESH_ApplicationType type;
+ GNUNET_MESH_ApplicationType type GNUNET_PACKED;
};
-struct GNUNET_MESH_RequestTransmitReady {
+/******************************************************************************/
+/************************ ENUMERATIONS ****************************/
+/******************************************************************************/
+
+/**
+ * All the states a peer participating in a tunnel can be in.
+ */
+enum MeshPeerState
+{
/**
- * Type: GNUNET_MESSAGE_TYPE_MESH_LOCAL_REQUEST_TRANSMIT_READY
+ * Peer is the root and owner of the tree
*/
- struct GNUNET_MessageHeader header;
-
- /**
- * ID of a tunnel controlled by this client.
- */
- uint32_t tunnel_id GNUNET_PACKED;
-
- /**
- * Size of message we would like to transmit to this tunnel
- */
- uint32_t msg_size GNUNET_PACKED;
-};
+ MESH_PEER_ROOT,
-struct GNUNET_MESH_NotifyTransmitReady {
/**
- * Type: GNUNET_MESSAGE_TYPE_MESH_LOCAL_NOTIFY_TRANSMIT_READY
+ * Peer only retransmits traffic, is not a final destination
*/
- struct GNUNET_MessageHeader header;
+ MESH_PEER_RELAY,
- /**
- * ID of a tunnel controlled by this client.
- */
- uint32_t tunnel_id GNUNET_PACKED;
-
- /**
- * Size of message we can now transmit to this tunnel
- */
- uint32_t msg_size GNUNET_PACKED;
-};
-
-
-struct GNUNET_MESH_Data {
/**
- * Type: GNUNET_MESSAGE_TYPE_MESH_LOCAL_DATA (client to service, or service to client)
- *
- * Size: sizeof(struct GNUNET_MESH_Data) + sizeof (data)
+ * Path to the peer not known yet
*/
- struct GNUNET_MessageHeader header;
-
- /**
- * ID of a tunnel controlled by this client.
- */
- uint32_t tunnel_id GNUNET_PACKED;
-
- /**
- * Source or destination of the message (depending on direction).
- */
- struct GNUNET_PeerIdentity destination;
+ MESH_PEER_SEARCHING,
- /* uint8_t data[] */
-};
-
-
-struct GNUNET_MESH_DataBroadcast {
/**
- * Type: GNUNET_MESSAGE_TYPE_MESH_LOCAL_DATA_BROADCAST (client to service only, client created tunnel)
- *
- * Size: sizeof(struct GNUNET_MESH_DataBroadcast) + sizeof (data)
+ * Request sent, not yet answered.
*/
- struct GNUNET_MessageHeader header;
+ MESH_PEER_WAITING,
- /**
- * ID of a tunnel controlled by this client.
- */
- uint32_t tunnel_id GNUNET_PACKED;
+ /**
+ * Peer connected and ready to accept data
+ */
+ MESH_PEER_READY,
- /* uint8_t data[] */
+ /**
+ * Peer connected previosly but not responding
+ */
+ MESH_PEER_RECONNECTING
};
+
#endif