1 files changed, 337 insertions, 0 deletions

diff --git a/src/mesh/mesh_protocol_enc.h b/src/mesh/mesh_protocol_enc.h
new file mode 100644
index 000000000..f739897ee
--- /dev/null
+++ b/src/mesh/mesh_protocol_enc.h
@@ -0,0 +1,337 @@
+/*
+     This file is part of GNUnet.
+     (C) 2001 - 2011 Christian Grothoff (and other contributing authors)
+
+     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 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.
+
+     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.
+*/
+
+/**
+ * @author Bartlomiej Polot
+ * @file mesh/mesh_protocol_enc.h
+ */
+
+#ifndef MESH_PROTOCOL_ENC_H_
+#define MESH_PROTOCOL_ENC_H_
+
+#ifdef __cplusplus
+extern "C"
+{
+#if 0
+  /* keep Emacsens' auto-indent happy */
+}
+#endif
+#endif
+
+/******************************************************************************/
+/********************      MESH NETWORK MESSAGES     **************************/
+/******************************************************************************/
+
+GNUNET_NETWORK_STRUCT_BEGIN
+
+/**
+ * Message for mesh path creation.
+ */
+struct GNUNET_MESH_CreateTunnel
+{
+    /**
+     * Type: GNUNET_MESSAGE_TYPE_MESH_PATH_CREATE
+     *
+     * Size: sizeof(struct GNUNET_MESH_ManipulatePath) +
+     *       path_length * sizeof (struct GNUNET_PeerIdentity)
+     */
+  struct GNUNET_MessageHeader header;
+
+    /**
+     * Global id of the tunnel this path belongs to,
+     * unique in conjunction with the origin.
+     */
+  uint32_t tid GNUNET_PACKED;
+
+    /**
+     * Tunnel options (GNUNET_MESH_OPTION_*).
+     */
+  uint32_t opt GNUNET_PACKED;
+
+    /**
+     * Destination port.
+     */
+  uint32_t port GNUNET_PACKED;
+
+    /**
+     * TODO do not add the first hop
+     * 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.
+ */
+struct GNUNET_MESH_Data
+{
+    /**
+     * Type: GNUNET_MESSAGE_TYPE_MESH_UNICAST,
+     *       GNUNET_MESSAGE_TYPE_MESH_TO_ORIGIN
+     */
+  struct GNUNET_MessageHeader header;
+
+    /**
+     * TID of the tunnel
+     */
+  uint32_t tid GNUNET_PACKED;
+
+    /**
+     * Number of hops to live
+     */
+  uint32_t ttl GNUNET_PACKED;
+
+    /**
+     * ID of the packet
+     */
+  uint32_t pid GNUNET_PACKED;
+
+    /**
+     * OID of the tunnel
+     */
+  struct GNUNET_PeerIdentity oid;
+
+  /**
+   * Unique ID of the payload message
+   */
+  uint32_t mid GNUNET_PACKED;
+
+    /**
+     * Payload follows
+     */
+};
+
+
+/**
+ * Message to acknowledge end-to-end data.
+ */
+struct GNUNET_MESH_DataACK
+{
+  /**
+   * Type: GNUNET_MESSAGE_TYPE_MESH_DATA_ACK
+   */
+  struct GNUNET_MessageHeader header;
+
+  /**
+   * TID of the tunnel
+   */
+  uint32_t tid GNUNET_PACKED;
+
+  /**
+   * OID of the tunnel
+   */
+  struct GNUNET_PeerIdentity oid;
+
+  /**
+   * Bitfield of already-received newer messages
+   * pid +  1 @ LSB
+   * pid + 64 @ MSB
+   */
+  uint64_t futures GNUNET_PACKED;
+
+  /**
+   * Last message ID received.
+   */
+  uint32_t mid GNUNET_PACKED;
+};
+
+
+/**
+ * Message to acknowledge mesh data traffic.
+ */
+struct GNUNET_MESH_ACK
+{
+    /**
+     * Type: GNUNET_MESSAGE_TYPE_MESH_ACK
+     */
+  struct GNUNET_MessageHeader header;
+
+    /**
+     * TID of the tunnel
+     */
+  uint32_t tid GNUNET_PACKED;
+
+    /**
+     * OID of the tunnel
+     */
+  struct GNUNET_PeerIdentity oid;
+
+    /**
+     * Maximum packet ID authorized.
+     */
+  uint32_t pid GNUNET_PACKED;
+};
+
+
+/**
+ * Message to query a peer about its Flow Control status regarding a tunnel.
+ */
+struct GNUNET_MESH_Poll
+{
+  /**
+   * Type: GNUNET_MESSAGE_TYPE_MESH_POLL
+   */
+  struct GNUNET_MessageHeader header;
+
+  /**
+   * TID of the tunnel
+   */
+  uint32_t tid GNUNET_PACKED;
+
+  /**
+   * OID of the tunnel
+   */
+  struct GNUNET_PeerIdentity oid;
+
+  /**
+   * Last packet sent.
+   */
+  uint32_t pid GNUNET_PACKED;
+};
+
+/**
+ * Message for ack'ing a path
+ */
+struct GNUNET_MESH_PathACK
+{
+    /**
+     * Type: GNUNET_MESSAGE_TYPE_MESH_PATH_ACK
+     */
+  struct GNUNET_MessageHeader header;
+
+    /**
+     * TID of the tunnel
+     */
+  uint32_t tid GNUNET_PACKED;
+
+    /**
+     * OID of the tunnel
+     */
+  struct GNUNET_PeerIdentity oid;
+
+    /**
+     * ID of the endpoint
+     */
+  struct GNUNET_PeerIdentity peer_id;
+
+    /**
+     * Initial ACK value for payload.
+     */
+  uint32_t ack GNUNET_PACKED;
+
+  /* TODO: signature */
+};
+
+
+/**
+ * Message for notifying a disconnection in a path
+ */
+struct GNUNET_MESH_PathBroken
+{
+    /**
+     * Type: GNUNET_MESSAGE_TYPE_MESH_PATH_BROKEN
+     */
+  struct GNUNET_MessageHeader header;
+
+    /**
+     * TID of the tunnel
+     */
+  uint32_t tid GNUNET_PACKED;
+
+    /**
+     * OID of the tunnel
+     */
+  struct GNUNET_PeerIdentity oid;
+
+    /**
+     * ID of the endpoint
+     */
+  struct GNUNET_PeerIdentity peer1;
+
+    /**
+     * ID of the endpoint
+     */
+  struct GNUNET_PeerIdentity peer2;
+
+  /* TODO: signature */
+};
+
+
+/**
+ * Message to destroy a tunnel
+ */
+struct GNUNET_MESH_TunnelDestroy
+{
+    /**
+     * Type: GNUNET_MESSAGE_TYPE_MESH_TUNNEL_DESTROY
+     */
+  struct GNUNET_MessageHeader header;
+
+    /**
+     * TID of the tunnel
+     */
+  uint32_t tid GNUNET_PACKED;
+
+    /**
+     * OID of the tunnel
+     */
+  struct GNUNET_PeerIdentity oid;
+
+  /* TODO: signature */
+};
+
+
+/**
+ * Message to destroy a tunnel
+ */
+struct GNUNET_MESH_TunnelKeepAlive
+{
+  /**
+   * Type: GNUNET_MESSAGE_TYPE_MESH_PATH_(FWD|BCK)_KEEPALIVE
+   */
+  struct GNUNET_MessageHeader header;
+  
+  /**
+   * TID of the tunnel
+   */
+  uint32_t tid GNUNET_PACKED;
+  
+  /**
+   * OID of the tunnel
+   */
+  struct GNUNET_PeerIdentity oid;
+};
+
+
+
+GNUNET_NETWORK_STRUCT_END
+
+#if 0                           /* keep Emacsens' auto-indent happy */
+{
+#endif
+#ifdef __cplusplus
+}
+#endif
+
+/* ifndef MESH_PROTOCOL_H */
+#endif
+/* end of mesh_protocol.h */