fixing 1584

[oweals/gnunet.git] / src / fs / fs.h

diff --git a/src/fs/fs.h b/src/fs/fs.h
index bca8fc6916ad4db9f76170aa848d58c90f7cba26..41831e8a82e576f4ba22a86ed592629cfa659984 100644 (file)
--- a/src/fs/fs.h
+++ b/src/fs/fs.h
@@ -1,10 +1,11 @@
+
 /*
      This file is part of GNUnet.
      (C) 2003, 2004, 2005, 2006, 2007, 2008, 2009 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 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
@@ -31,6 +32,37 @@
 #include "gnunet_fs_service.h"
 #include "gnunet_block_lib.h"
 
+/**
+ * Maximum size of the datastore queue for P2P operations.
+ */
+#define MAX_DATASTORE_QUEUE 16
+
+/**
+ * Maximum number of blocks we keep in memory for migration.
+ */
+#define MAX_MIGRATION_QUEUE 32
+
+/**
+ * How many peers do we select as possible
+ * targets per block obtained for migration?
+ */
+#define MIGRATION_LIST_SIZE 4
+
+/**
+ * To how many peers do we forward each migration block ultimately?
+ * This number must be smaller or equal to MIGRATION_LIST_SIZE.  Using
+ * a smaller value allows for variation in available bandwidth (for
+ * migration) between the peers.
+ */
+#define MIGRATION_TARGET_COUNT 2
+
+/**
+ * Ratio for moving average delay calculation.  The previous
+ * average goes in with a factor of (n-1) into the calculation.
+ * Must be > 0.
+ */
+#define RUNAVG_DELAY_N 16
+
 /**
  * Size of the individual blocks used for file-sharing.
  */
@@ -125,7 +157,7 @@
 /**
  * Bandwidth value of an (effectively) 0-priority query.
  */
-#define QUERY_BANDWIDTH_VALUE 0.001
+#define QUERY_BANDWIDTH_VALUE 1
 
 /**
  * Bandwidth value of a 0-priority content (must be
@@ -134,7 +166,7 @@
  * since it can take many queries to get one piece of
  * content).
  */
-#define CONTENT_BANDWIDTH_VALUE 0.8
+#define CONTENT_BANDWIDTH_VALUE 800
 
 /**
  * By which amount do we decrement the TTL for simple forwarding /
@@ -1269,17 +1301,38 @@ struct GNUNET_FS_PublishContext
    */
   struct GNUNET_FS_FileInformation *fi_pos;
 
+  /**
+   * Non-null if we are currently hashing a file.
+   */
+  struct GNUNET_CRYPTO_FileHashContext *fhc;
+
   /**
    * Connection to the datastore service.
    */
   struct GNUNET_DATASTORE_Handle *dsh;
 
+  /**
+   * Queue entry for reservation/unreservation.
+   */
+  struct GNUNET_DATASTORE_QueueEntry *qre;
+
   /**
    * ID of the task performing the upload. NO_TASK if the upload has
    * completed.
    */
   GNUNET_SCHEDULER_TaskIdentifier upload_task;
 
+  /**
+   * Storage space to reserve for the operation.
+   */
+  uint64_t reserve_space;
+
+  /**
+   * Overall number of entries to reserve for the
+   * publish operation.
+   */
+  uint32_t reserve_entries;
+
   /**
    * Typically GNUNET_NO.  Set to GNUNET_YES if "upload_task" is
    * GNUNET_SCHEDULER_NO_TASK and we're waiting for a response from
@@ -1320,16 +1373,16 @@ enum UnindexState
     UNINDEX_STATE_HASHING = 0,
 
     /**
-     * We're notifying the FS service about
-     * the unindexing.
+     * We're telling the datastore to delete
+     * the respective entries.
      */
-    UNINDEX_STATE_FS_NOTIFY = 1,
+    UNINDEX_STATE_DS_REMOVE = 1,
 
     /**
-     * We're telling the datastore to delete
-     * the respective entries.
+     * We're notifying the FS service about
+     * the unindexing.
      */
-    UNINDEX_STATE_DS_REMOVE = 2,
+    UNINDEX_STATE_FS_NOTIFY = 2,
 
     /**
      * We're done.
@@ -1339,13 +1392,8 @@ enum UnindexState
     /**
      * We've encountered a fatal error.
      */
-    UNINDEX_STATE_ERROR = 4,
+    UNINDEX_STATE_ERROR = 4
 
-    /**
-     * We've been aborted.  The next callback should clean up the
-     * struct.
-     */
-    UNINDEX_STATE_ABORTED = 5
   };
 
 
@@ -1784,6 +1832,11 @@ struct GNUNET_FS_DownloadContext
    */
   int has_finished;
 
+  /**
+   * Have we tried (and failed) to find matching full
+   * data from the meta data yet?
+   */
+  int tried_full_data;
 };
 
 struct GNUNET_FS_Namespace
@@ -1832,6 +1885,11 @@ struct IndexStartMessage
    */
   struct GNUNET_MessageHeader header;
 
+  /**
+   * For alignment.
+   */
+  uint32_t reserved GNUNET_PACKED;
+
   /**
    * ID of device containing the file, as seen by the client.  This
    * device ID is obtained using a call like "statvfs" (and converting
@@ -1839,7 +1897,7 @@ struct IndexStartMessage
    * OS does not support this, in which case the service must do a
    * full hash recomputation.
    */
-  uint32_t device GNUNET_PACKED;
+  uint64_t device GNUNET_PACKED;
   
   /**
    * Inode of the file on the given device, as seen by the client