[GNUnet-SVN] r8889 - gnunet/src/fs

[gnunet]

Author: grothoff
Date: 2009-08-29 15:10:11 -0600 (Sat, 29 Aug 2009)
New Revision: 8889

Modified:
   gnunet/src/fs/fs_publish.c
Log:
event generation

Modified: gnunet/src/fs/fs_publish.c
===================================================================
--- gnunet/src/fs/fs_publish.c  2009-08-29 20:58:34 UTC (rev 8888)
+++ gnunet/src/fs/fs_publish.c  2009-08-29 21:10:11 UTC (rev 8889)
@@ -29,11 +29,9 @@
  * - KBlocks
  * - SBlocks
  * - indexing support
- * - calling of progress function
- * - handling of IO errors (emsg)
- * - code-sharing with unindex
- * - datastore reservation support
- * - persistence support
+ * - code-sharing with unindex (can wait)
+ * - persistence support (can wait)
+ * - datastore reservation support (optimization)
  */
 
 #include "platform.h"
@@ -134,8 +132,9 @@
       make_publish_status (&pi, pcc->sc, pcc->p);
       pi.value.publish.eta = GNUNET_TIME_UNIT_FOREVER_REL;
       pi.value.publish.specifics.error.message = pcc->p->emsg;
-      pcc->sc->h->upcb (pcc->sc->h->upcb_cls,
-                       &pi);
+      pcc->p->client_info
+       = pcc->sc->h->upcb (pcc->sc->h->upcb_cls,
+                           &pi);
       return;
     }
   GNUNET_FS_file_information_sync (pcc->p);
@@ -216,8 +215,9 @@
   make_publish_status (&pi, sc, p);
   pi.value.publish.eta = GNUNET_TIME_UNIT_ZERO;
   pi.value.publish.specifics.completed.chk_uri = p->chk_uri;
-  sc->h->upcb (sc->h->upcb_cls,
-              &pi);
+  p->client_info
+    = sc->h->upcb (sc->h->upcb_cls,
+                 &pi);
 }
 
 
@@ -478,8 +478,9 @@
              make_publish_status (&pi, sc, p);
              pi.value.publish.eta = GNUNET_TIME_UNIT_FOREVER_REL;
              pi.value.publish.specifics.error.message = p->emsg;
-             sc->h->upcb (sc->h->upcb_cls,
-                          &pi);
+             p->client_info
+               = sc->h->upcb (sc->h->upcb_cls,
+                              &pi);
              /* continue with main (to propagate error up) */
              sc->upload_task 
                = GNUNET_SCHEDULER_add_delayed (sc->h->sched,
@@ -530,8 +531,9 @@
       pi.value.publish.specifics.progress.data = pt_block;
       pi.value.publish.specifics.progress.offset = p->publish_offset;
       pi.value.publish.specifics.progress.data_len = pt_size;
-      sc->h->upcb (sc->h->upcb_cls,
-                       &pi);
+      p->client_info 
+       = sc->h->upcb (sc->h->upcb_cls,
+                      &pi);
     }
   GNUNET_CRYPTO_hash (enc, pt_size, &mychk->query);
   if (p->current_depth == p->chk_tree_depth) 
@@ -602,8 +604,9 @@
          make_publish_status (&pi, sc, p);
          pi.value.publish.eta = GNUNET_TIME_UNIT_FOREVER_REL;
          pi.value.publish.specifics.error.message = p->emsg;
-         sc->h->upcb (sc->h->upcb_cls,
-                      &pi);
+         p->client_info
+           = sc->h->upcb (sc->h->upcb_cls,
+                          &pi);
        }
       return;
     }
@@ -631,6 +634,43 @@
 
 
 /**
+ * Signal the FS's progress function that we are starting
+ * an upload.
+ *
+ * @param cls closure (of type "struct GNUNET_FS_PublishContext*")
+ * @param fi the entry in the publish-structure
+ * @param length length of the file or directory
+ * @param meta metadata for the file or directory (can be modified)
+ * @param uri pointer to the keywords that will be used for this entry (can be 
modified)
+ * @param anonymity pointer to selected anonymity level (can be modified)
+ * @param priority pointer to selected priority (can be modified)
+ * @param expirationTime pointer to selected expiration time (can be modified)
+ * @param client_info pointer to client context set upon creation (can be 
modified)
+ * @return GNUNET_OK to continue (always)
+ */
+static int
+fip_signal_start(void *cls,
+                struct GNUNET_FS_FileInformation *fi,
+                uint64_t length,
+                struct GNUNET_CONTAINER_MetaData *meta,
+                struct GNUNET_FS_Uri **uri,
+                unsigned int *anonymity,
+                unsigned int *priority,
+                struct GNUNET_TIME_Absolute *expirationTime,
+                void **client_info)
+{
+  struct GNUNET_FS_PublishContext *sc = cls;
+  struct GNUNET_FS_ProgressInfo pi;
+
+  pi.status = GNUNET_FS_STATUS_PUBLISH_START;
+  make_publish_status (&pi, sc, fi);
+  *client_info = sc->h->upcb (sc->h->upcb_cls,
+                             &pi);
+  return GNUNET_OK;
+}
+
+
+/**
  * Publish a file or directory.
  *
  * @param h handle to the file sharing subsystem
@@ -677,8 +717,9 @@
   // FIXME: make upload persistent!
 
   /* signal start */
-  
-
+  GNUNET_FS_file_information_inspect (ret->fi,
+                                     &fip_signal_start,
+                                     ret);
   /* find first leaf, DFS */
   p = ret->fi;
   while ( (p->is_directory) &&
@@ -702,6 +743,45 @@
 
 
 /**
+ * Signal the FS's progress function that we are stopping
+ * an upload.
+ *
+ * @param cls closure (of type "struct GNUNET_FS_PublishContext*")
+ * @param fi the entry in the publish-structure
+ * @param length length of the file or directory
+ * @param meta metadata for the file or directory (can be modified)
+ * @param uri pointer to the keywords that will be used for this entry (can be 
modified)
+ * @param anonymity pointer to selected anonymity level (can be modified)
+ * @param priority pointer to selected priority (can be modified)
+ * @param expirationTime pointer to selected expiration time (can be modified)
+ * @param client_info pointer to client context set upon creation (can be 
modified)
+ * @return GNUNET_OK to continue (always)
+ */
+static int
+fip_signal_stop(void *cls,
+               struct GNUNET_FS_FileInformation *fi,
+               uint64_t length,
+               struct GNUNET_CONTAINER_MetaData *meta,
+               struct GNUNET_FS_Uri **uri,
+               unsigned int *anonymity,
+               unsigned int *priority,
+               struct GNUNET_TIME_Absolute *expirationTime,
+               void **client_info)
+{
+  struct GNUNET_FS_PublishContext*sc = cls;
+  struct GNUNET_FS_ProgressInfo pi;
+
+  pi.status = GNUNET_FS_STATUS_PUBLISH_STOPPED;
+  make_publish_status (&pi, sc, fi);
+  GNUNET_break (NULL ==
+               sc->h->upcb (sc->h->upcb_cls,
+                            &pi));
+  *client_info = NULL;
+  return GNUNET_OK;
+}
+
+
+/**
  * Stop an upload.  Will abort incomplete uploads (but 
  * not remove blocks that have already been publishd) or
  * simply clean up the state for completed uploads.
@@ -715,6 +795,9 @@
     GNUNET_SCHEDULER_cancel (sc->h->sched, sc->upload_task);
   // FIXME: remove from persistence DB (?) --- think more about
   //        shutdown / persistent-resume APIs!!!
+  GNUNET_FS_file_information_inspect (sc->fi,
+                                     &fip_signal_stop,
+                                     sc);
   GNUNET_FS_file_information_destroy (sc->fi, NULL, NULL);
   GNUNET_FS_namespace_delete (sc->namespace, GNUNET_NO);
   GNUNET_free_non_null (sc->nid);