- disable try_connect to force topology
[oweals/gnunet.git] / src / mesh / mesh.h
index 30d1acefac5af6655a2c91f1777d5b3f447b9036..a5a817c4866626f30edac97d04e5a20bbeb50e00 100644 (file)
 
 #ifndef MESH_H_
 #define MESH_H_
+
+#ifdef __cplusplus
+extern "C"
+{
+#if 0                           /* keep Emacsens' auto-indent happy */
+}
+#endif
+#endif
+
 #include <stdint.h>
 
 #define MESH_DEBUG              GNUNET_YES
 
+#define INITIAL_WINDOW_SIZE     8
+#define ACK_THRESHOLD           INITIAL_WINDOW_SIZE / 2
 
 #include "platform.h"
 #include "gnunet_common.h"
  *
  * tunnel_create                        GNUNET_MESH_TunnelMessage
  * tunnel_destroy                       GNUNET_MESH_TunnelMessage
+ * tunnel_speed_max                     GNUNET_MESH_TunnelMessage
+ * tunnel_speed_min                     GNUNET_MESH_TunnelMessage
+ * tunnel_buffer                        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
+ * peer_request_connect_by_string       GNUNET_MESH_ConnectPeerByString
+ * 
+ * peer_blacklist                       GNUNET_MESH_PeerControl
+ * peer_unblacklist                     GNUNET_MESH_PeerControl
  *
- * notify_transmit_ready                *GNUNET_MESH_TransmitReady?*
+ * notify_transmit_ready                None (queue / GNUNET_CLIENT_ntf_tmt_rdy)
  * notify_transmit_ready_cancel         None (clear of internal data structures)
  *
- *
- *
+ * 
  * EVENT                                MESSAGE USED
  * -----                                ------------
- * data                                 GNUNET_MESH_Data OR
- *                                      GNUNET_MESH_DataBroadcast
+ * data                                 GNUNET_MESH_Unicast OR
+ *                                      GNUNET_MESH_Multicast OR
+ *                                      GNUNET_MESH_ToOrigin
+ * data ack                             GNUNET_MESH_LocalAck
+ * 
  * new incoming tunnel                  GNUNET_MESH_PeerControl
  * peer connects to a tunnel            GNUNET_MESH_PeerControl
  * peer disconnects from a tunnel       GNUNET_MESH_PeerControl
@@ -104,7 +124,7 @@ struct GNUNET_MESH_ClientConnect
   struct GNUNET_MessageHeader header;
   uint16_t applications GNUNET_PACKED;
   uint16_t types GNUNET_PACKED;
-  /* uint16_t                 list_apps[applications]     */
+  /* uint32_t                 list_apps[applications]     */
   /* uint16_t                 list_types[types]           */
 };
 
@@ -158,8 +178,39 @@ struct GNUNET_MESH_TunnelNotification
      * Peer at the other end, if any
      */
   struct GNUNET_PeerIdentity peer;
+
+    /**
+     * Tunnel options (speed, buffering)
+     */
+  uint32_t opt;
+};
+
+/**
+ * Message for announce of regular expressions.
+ */
+struct GNUNET_MESH_RegexAnnounce
+{
+    /**
+     * Type: GNUNET_MESSAGE_TYPE_MESH_LOCAL_ANNOUNCE_REGEX
+     *
+     * Size: sizeof(struct GNUNET_MESH_RegexAnnounce) + strlen (regex)
+     */
+  struct GNUNET_MessageHeader header;
+
+    /**
+     * How many characters do we want to put in an edge label.
+     */
+  uint16_t compression_characters;
+
+    /**
+     * Is this the last message for this regex? (for regex > 65k)
+     */
+  int16_t last;
+
+  /* regex payload  */
 };
 
+
 /**
  * Message for:
  * - request adding and deleting peers from a tunnel
@@ -262,6 +313,40 @@ struct GNUNET_MESH_LocalAck
 };
 
 
+/**
+ * Message to inform the client about tunnels in the service.
+ */
+struct GNUNET_MESH_LocalMonitor
+{
+  /**
+     * Type: GNUNET_MESSAGE_TYPE_MESH_LOCAL_MONITOR[_TUNNEL]
+   */
+  struct GNUNET_MessageHeader header;
+
+  /**
+   * ID of the tunnel allowed to send more data.
+   */
+  MESH_TunnelNumber tunnel_id GNUNET_PACKED;
+
+  /**
+   * Number of peers in the tunnel.
+   */
+  uint32_t npeers GNUNET_PACKED;
+
+  /**
+   * Alignment.
+   */
+  uint32_t reserved GNUNET_PACKED;
+
+  /**
+   * ID of the owner of the tunnel (can be local peer).
+   */
+  struct GNUNET_PeerIdentity owner;
+
+  /* struct GNUNET_PeerIdentity peers[npeers] */
+};
+
+
 GNUNET_NETWORK_STRUCT_END
 
 /******************************************************************************/
@@ -310,5 +395,60 @@ enum MeshPeerState
 };
 
 
+/**
+ * Check if one pid is bigger than other, accounting for overflow.
+ *
+ * @param bigger Argument that should be bigger.
+ * @param smaller Argument that should be smaller.
+ *
+ * @return True if bigger (arg1) has a higher value than smaller (arg 2).
+ */
+int
+GMC_is_pid_bigger (uint32_t bigger, uint32_t smaller);
+
+
+/**
+ * Get the higher ACK value out of two values, taking in account overflow.
+ *
+ * @param a First ACK value.
+ * @param b Second ACK value.
+ *
+ * @return Highest ACK value from the two.
+ */
+uint32_t
+GMC_max_pid (uint32_t a, uint32_t b);
+
+
+/**
+ * Get the lower ACK value out of two values, taking in account overflow.
+ *
+ * @param a First ACK value.
+ * @param b Second ACK value.
+ *
+ * @return Lowest ACK value from the two.
+ */
+uint32_t
+GMC_min_pid (uint32_t a, uint32_t b);
+
+
+/**
+ * Convert a message type into a string to help debug
+ * Generated with:
+ * FIND:        "#define ([^ ]+)[ ]*([0-9]+)"
+ * REPLACE:     "    case \2: return "\1"; break;"
+ * 
+ * @param m Message type.
+ * 
+ * @return Human readable string description.
+ */
+const char *
+GNUNET_MESH_DEBUG_M2S (uint16_t m);
+
+#if 0                           /* keep Emacsens' auto-indent happy */
+{
+#endif
+#ifdef __cplusplus
+}
+#endif
 
 #endif