* @file mesh/gnunet-service-mesh.c
* @brief GNUnet MESH service
* @author Bartlomiej Polot
+ *
+ * TODO:
+ * - soft stateing (keep-alive (CHANGE?) / timeout / disconnect) -- not a message issue
+ * - error reporting (CREATE/CHANGE/ADD/DEL?) -- new message!
+ * - partial disconnect reporting -- same as error reporting?
+ * - add vs create? change vs. keep-alive? same msg or different ones? -- thinking...
+ * - speed requirement specification (change?) in mesh API -- API call
*/
#include <stdint.h>
#include "gnunet_core_service.h"
#include <netinet/in.h>
+
+/******************************************************************************/
+/******************** MESH NETWORK MESSAGES **************************/
+/******************************************************************************/
+
+/**
+ * Message for mesh path management
+ */
+struct GNUNET_MESH_ManipulatePath
+{
+ /**
+ * Type: GNUNET_MESSAGE_TYPE_MESH_PATH_[CREATE|CHANGE|ADD|DEL]
+ *
+ * Size: sizeof(struct GNUNET_MESH_ManipulatePath) + path_length * sizeof (struct GNUNET_PeerIdentity)
+ */
+ struct GNUNET_MessageHeader header;
+
+ /**
+ * Id of the tunnel this path belongs to, unique in conjunction with the origin.
+ */
+ uint32_t tid GNUNET_PACKED;
+
+ /**
+ * Information about speed requirements. If the tunnel cannot sustain the
+ * minimum bandwidth, packets are to be dropped.
+ */
+ uint32_t speed_min GNUNET_PACKED;
+
+ /**
+ * path_length structs defining the *whole* path from the origin [0] to the
+ * final destination [path_length-1].
+ */
+ // struct GNUNET_PeerIdentity peers[path_length];
+};
+
+/**
+ * Message for mesh data traffic to all tunnel targets.
+ */
+struct GNUNET_MESH_OriginMulticast
+{
+ /**
+ * Type: GNUNET_MESSAGE_TYPE_DATA_MULTICAST
+ */
+ struct GNUNET_MessageHeader header;
+
+ /**
+ * TID of the tunnel
+ */
+ uint32_t tid GNUNET_PACKED;
+
+ /**
+ * OID of the tunnel
+ */
+ struct GNUNET_PeerIdentity oid;
+
+ /**
+ * FIXME: Some form of authentication
+ */
+ // uint32_t token;
+
+ /**
+ * Payload follows
+ */
+};
+
+
+/**
+ * Message for mesh data traffic to a particular destination from origin.
+ */
+struct GNUNET_MESH_DataMessageFromOrigin
+{
+ /**
+ * Type: GNUNET_MESSAGE_TYPE_DATA_MESSAGE_FROM_ORIGIN
+ */
+ struct GNUNET_MessageHeader header;
+
+ /**
+ * TID of the tunnel
+ */
+ uint32_t tid GNUNET_PACKED;
+
+ /**
+ * OID of the tunnel
+ */
+ struct GNUNET_PeerIdentity oid;
+
+ /**
+ * Destination.
+ */
+ struct GNUNET_PeerIdentity destination;
+
+ /**
+ * FIXME: Some form of authentication
+ */
+ // uint32_t token;
+
+ /**
+ * Payload follows
+ */
+};
+
+
+/**
+ * Message for mesh data traffic from a tunnel participant to origin.
+ */
+struct GNUNET_MESH_DataMessageToOrigin
+{
+ /**
+ * Type: GNUNET_MESSAGE_TYPE_DATA_MESSAGE_TO_ORIGIN
+ */
+ struct GNUNET_MessageHeader header;
+
+ /**
+ * TID of the tunnel
+ */
+ uint32_t tid GNUNET_PACKED;
+
+ /**
+ * OID of the tunnel
+ */
+ struct GNUNET_PeerIdentity oid;
+
+ /**
+ * Sender of the message.
+ */
+ struct GNUNET_PeerIdentity sender;
+
+ /**
+ * FIXME: Some form of authentication
+ */
+ // uint32_t token;
+
+ /**
+ * Payload follows
+ */
+};
+
+/**
+ * Message for mesh flow control
+ */
+struct GNUNET_MESH_SpeedNotify
+{
+ /**
+ * Type: GNUNET_MESSAGE_TYPE_DATA_SPEED_NOTIFY
+ */
+ struct GNUNET_MessageHeader header;
+
+ /**
+ * TID of the tunnel
+ */
+ uint32_t tid GNUNET_PACKED;
+
+ /**
+ * OID of the tunnel
+ */
+ struct GNUNET_PeerIdentity oid;
+
+ /**
+ * Slowest link down the path (above minimum speed requirement).
+ */
+ uint32_t speed_min;
+
+};
+
+/******************************************************************************/
+/************************ DATA STRUCTURES ****************************/
+/******************************************************************************/
+
/**
* All the states a peer participating in a tunnel can be in.
*/
/**
* Handler for requests of creating new path
+ * type: struct GNUNET_CORE_MessageHandler
*
* @param cls closure
* @param client the client this message is from
/**
* Core handler for path creation
+ * struct GNUNET_CORE_MessageHandler
*
* @param cls closure
* @param message message
*atsi)
{
/* Extract path */
+ /* Find origin & self */
+ /* Search for origin in local tunnels */
+ /* Create tunnel / add path */
+ /* Retransmit to next link in chain, if any (core_notify + callback) */
return GNUNET_OK;
}
* Functions to handle messages from clients
*/
static struct GNUNET_SERVER_MessageHandler plugin_handlers[] = {
- {&handle_local_path_create, NULL, GNUNET_MESSAGE_TYPE_MESH_PATH_CREATE, 0},
- {&handle_local_network_traffic, GNUNET_MESSAGE_TYPE_MESH_DATA_GO, 0},
- {&handle_local_network_traffic, GNUNET_MESSAGE_TYPE_MESH_DATA_BACK, 0},
+ {&handle_local_path_create, NULL, GNUNET_MESSAGE_TYPE_LOCAL_PATH_CREATE, 0},
+ {&handle_local_network_traffic, GNUNET_MESSAGE_TYPE_LOCAL_DATA_GO, 0},
+ {&handle_local_network_traffic, GNUNET_MESSAGE_TYPE_LOCAL_DATA_BACK, 0},
{NULL, NULL, 0, 0}
};
* @file mesh/mesh.h
*
* TODO:
- * - soft stateing (keep-alive (CHANGE?) / timeout / disconnect) -- not a message issue
- * - error reporting (CREATE/CHANGE/ADD/DEL?) -- new message!
- * - partial disconnect reporting -- same as error reporting?
- * - add vs create? change vs. keep-alive? same msg or different ones? -- thinking...
- * - speed requirement specification (change?) in mesh API -- API call
- *
* - API messages!
*/
-
#ifndef MESH_H_
#define MESH_H_
#include <stdint.h>
#include "gnunet_common.h"
-/**
- * Message for mesh path management
+/******************************************************************************/
+/******************** MESH NETWORK MESSAGES **************************/
+/******************************************************************************/
+/* API CALL MESSAGE USED
+ * -------- ------------
+ * connect GNUNET_MESH_Connect / Server_connect? FIXME
+ * disconnect GNUNET_MESH_Disconnect / Server_disconnect? FIXME
+ *
+ * peer_request_connect_any GNUNET_MESH_ConnectPeer
+ * peer_request_connect_all GNUNET_MESH_ConnectPeer
+ * peer_request_connect_add GNUNET_MESH_ConnectPeer
+ * peer_request_connect_del GNUNET_MESH_ConnectPeer
+ * peer_request_connect_by_type GNUNET_MESH_ConnectPeerByType
+ * peer_request_connect_cancel GNUNET_MESH_Control
+ *
+ * notify_tranmit_ready GNUNET_MESH_Control? FIXME
+ * notify_tranmit_ready_cancel GNUNET_MESH_Control? FIXME
*/
-struct GNUNET_MESH_ManipulatePath
-{
- /**
- * Type: GNUNET_MESSAGE_TYPE_MESH_PATH_[CREATE|CHANGE|ADD|DEL]
- *
- * Size: sizeof(struct GNUNET_MESH_ManipulatePath) + path_length * sizeof (struct GNUNET_PeerIdentity)
- */
- struct GNUNET_MessageHeader header;
-
- /**
- * Id of the tunnel this path belongs to, unique in conjunction with the origin.
- */
- uint32_t tid GNUNET_PACKED;
- /**
- * Information about speed requirements. If the tunnel cannot sustain the
- * minimum bandwidth, packets are to be dropped.
+// struct GNUNET_MESH_Connect {
+// /**
+// * Type: GNUNET_MESSAGE_TYPE_MESH_LOCAL_CONNECT
+// *
+// * Size: sizeof(struct GNUNET_MESH_Connect) + messages_subscribed * sizeof (message_type)
+// */
+// struct GNUNET_MessageHeader header;
+//
+// /* uint16_t messages_subscribed[] */
+// };
+//
+// struct GNUNET_MESH_Disconnect {
+// /**
+// * Type: GNUNET_MESSAGE_TYPE_MESH_LOCAL_DISCONNECT
+// */
+// struct GNUNET_MessageHeader header;
+//
+// };
+
+struct GNUNET_MESH_ConnectPeer {
+ /**
+ * Type: GNUNET_MESSAGE_TYPE_MESH_LOCAL_CONNECT_PEER_[ANY|ALL|ADD|DEL]
+ *
+ * Size: sizeof(struct GNUNET_MESH_ConnectPeer) + npeers * sizeof (struct GNUNET_PeerIdentity)
*/
- uint32_t speed_min GNUNET_PACKED;
+ struct GNUNET_MessageHeader header;
- /**
- * path_length structs defining the *whole* path from the origin [0] to the
- * final destination [path_length-1].
- */
- // struct GNUNET_PeerIdentity peers[path_length];
+ /* struct GNUNET_PeerIdentity peers[] */
};
-/**
- * Message for mesh data traffic to all tunnel targets.
- */
-struct GNUNET_MESH_OriginMulticast
-{
+struct GNUNET_MESH_ConnectPeerByType {
/**
- * Type: GNUNET_MESSAGE_TYPE_DATA_MULTICAST
+ * Type: GNUNET_MESSAGE_TYPE_MESH_LOCAL_CONNECT_PEER_BY_TYPE
*/
struct GNUNET_MessageHeader header;
- /**
- * TID of the tunnel
- */
- uint32_t tid GNUNET_PACKED;
-
- /**
- * OID of the tunnel
- */
- struct GNUNET_PeerIdentity oid;
-
- /**
- * FIXME: Some form of authentication
- */
- // uint32_t token;
-
- /**
- * Payload follows
- */
+ /* FIXME Type specification */
+ uint32_t type;
};
-
-/**
- * Message for mesh data traffic to a particular destination from origin.
- */
-struct GNUNET_MESH_DataMessageFromOrigin
-{
+struct GNUNET_MESH_Control {
/**
- * Type: GNUNET_MESSAGE_TYPE_DATA_MESSAGE_FROM_ORIGIN
+ * Type: GNUNET_MESSAGE_TYPE_MESH_LOCAL_CONNECT_PEER_CANCEL
+ * more? transmit_ready?
*/
struct GNUNET_MessageHeader header;
- /**
- * TID of the tunnel
- */
- uint32_t tid GNUNET_PACKED;
-
- /**
- * OID of the tunnel
- */
- struct GNUNET_PeerIdentity oid;
-
- /**
- * Destination.
- */
- struct GNUNET_PeerIdentity destination;
-
- /**
- * FIXME: Some form of authentication
- */
- // uint32_t token;
-
- /**
- * Payload follows
- */
+ uint32_t tunnel_id GNUNET_PACKED;
+ uint32_t variable GNUNET_PACKED; /* Size of data to transmit? */
};
-
-/**
- * Message for mesh data traffic from a tunnel participant to origin.
- */
-struct GNUNET_MESH_DataMessageToOrigin
-{
+struct GNUNET_MESH_TunnelEvent {
/**
- * Type: GNUNET_MESSAGE_TYPE_DATA_MESSAGE_TO_ORIGIN
+ * Type: GNUNET_MESSAGE_TYPE_MESH_LOCAL_TUNNEL_[CREATED\DESTROYED]
*/
struct GNUNET_MessageHeader header;
- /**
- * TID of the tunnel
- */
- uint32_t tid GNUNET_PACKED;
-
- /**
- * OID of the tunnel
- */
- struct GNUNET_PeerIdentity oid;
-
- /**
- * Sender of the message.
- */
- struct GNUNET_PeerIdentity sender;
-
- /**
- * FIXME: Some form of authentication
- */
- // uint32_t token;
-
- /**
- * Payload follows
- */
+ uint32_t tunnel_id GNUNET_PACKED;
+ uint32_t reason GNUNET_PACKED; /* incoming, connect, timeout, disconnect */
};
-/**
- * Message for mesh flow control
- */
-struct GNUNET_MESH_SpeedNotify
-{
+struct GNUNET_MESH_Data {
/**
- * Type: GNUNET_MESSAGE_TYPE_DATA_SPEED_NOTIFY
+ * Type: GNUNET_MESSAGE_TYPE_MESH_LOCAL_DATA
+ *
+ * Size: sizeof(struct GNUNET_MESH_Data) + sizeof (data)
*/
struct GNUNET_MessageHeader header;
- /**
- * TID of the tunnel
- */
- uint32_t tid GNUNET_PACKED;
-
- /**
- * OID of the tunnel
- */
- struct GNUNET_PeerIdentity oid;
+ uint32_t tunnel_id GNUNET_PACKED;
- /**
- * Slowest link down the path (above minimum speed requirement).
- */
- uint32_t speed_min;
+ /* FIXME: Broadcast? New Type / NULL destination ? */
+ /* FIXME: Reverese order for alignment? 1st ID, 2nd t_id? */
+ struct GNUNET_PeerIdentity destination GNUNET_PACKED;
+ /* uint8_t data[] */
};
#endif