/*
This file is part of GNUnet.
- (C) 2009 Christian Grothoff (and other contributing authors)
+ (C) 2009, 2010 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
/**
* @file fs/fs_publish.c
* @brief publish a file or directory in GNUnet
- * @see http://gnunet.org/encoding.php3
+ * @see http://gnunet.org/encoding
* @author Krista Bennett
* @author Christian Grothoff
- *
- * TODO:
- * - code-sharing with unindex (write unindex code)
- * - indexing cleanup: unindex on failure (can wait)
- * - persistence support (can wait)
- * - datastore reservation support (optimization)
- * - location URIs (publish with anonymity-level zero)
*/
#include "platform.h"
#include "fs.h"
#include "fs_tree.h"
-#define DEBUG_PUBLISH GNUNET_YES
-
-/**
- * Maximum allowed size for a KBlock.
- */
-#define MAX_KBLOCK_SIZE 60000
-
-/**
- * Maximum allowed size for an SBlock.
- */
-#define MAX_SBLOCK_SIZE 60000
-
-/**
- * Main function that performs the upload.
- * @param cls "struct GNUNET_FS_PublishContext" identifies the upload
- * @param tc task context
- */
-static void
-do_upload (void *cls,
- const struct GNUNET_SCHEDULER_TaskContext *tc);
+#define DEBUG_PUBLISH GNUNET_NO
/**
/**
* Fill in all of the generic fields for
- * a publish event.
+ * a publish event and call the callback.
*
- * @param pc structure to fill in
+ * @param pi structure to fill in
* @param sc overall publishing context
* @param p file information for the file being published
* @param offset where in the file are we so far
+ * @return value returned from callback
*/
-static void
-make_publish_status (struct GNUNET_FS_ProgressInfo *pi,
- struct GNUNET_FS_PublishContext *sc,
- const struct GNUNET_FS_FileInformation *p,
- uint64_t offset)
+void *
+GNUNET_FS_publish_make_status_ (struct GNUNET_FS_ProgressInfo *pi,
+ struct GNUNET_FS_PublishContext *sc,
+ const struct GNUNET_FS_FileInformation *p,
+ uint64_t offset)
{
- pi->value.publish.sc = sc;
+ pi->value.publish.pc = sc;
pi->value.publish.fi = p;
pi->value.publish.cctx
= p->client_info;
pi->value.publish.pctx
= (NULL == p->dir) ? NULL : p->dir->client_info;
- pi->value.publish.filename
- = (p->is_directory) ? p->data.dir.dirname : p->data.file.filename;
- pi->value.publish.size
+ pi->value.publish.filename = p->filename;
+ pi->value.publish.size
= (p->is_directory) ? p->data.dir.dir_size : p->data.file.file_size;
pi->value.publish.eta
= GNUNET_TIME_calculate_eta (p->start_time,
pi->value.publish.completed = offset;
pi->value.publish.duration = GNUNET_TIME_absolute_get_duration (p->start_time);
pi->value.publish.anonymity = p->anonymity;
+ return sc->h->upcb (sc->h->upcb_cls,
+ pi);
}
/**
- * Cleanup the publish context, we're done
- * with it.
+ * Cleanup the publish context, we're done with it.
*
- * @param pc struct to clean up after
+ * @param cls struct to clean up after
+ * @param tc scheduler context
*/
static void
-publish_cleanup (struct GNUNET_FS_PublishContext *sc)
+publish_cleanup (void *cls,
+ const struct GNUNET_SCHEDULER_TaskContext *tc)
{
- GNUNET_FS_file_information_destroy (sc->fi, NULL, NULL);
- GNUNET_FS_namespace_delete (sc->namespace, GNUNET_NO);
- GNUNET_free_non_null (sc->nid);
- GNUNET_free_non_null (sc->nuid);
- GNUNET_DATASTORE_disconnect (sc->dsh, GNUNET_NO);
- GNUNET_free (sc);
+ struct GNUNET_FS_PublishContext *pc = cls;
+
+ if (pc->fhc != NULL)
+ {
+ GNUNET_CRYPTO_hash_file_cancel (pc->fhc);
+ pc->fhc = NULL;
+ }
+ GNUNET_FS_file_information_destroy (pc->fi, NULL, NULL);
+ if (pc->namespace != NULL)
+ GNUNET_FS_namespace_delete (pc->namespace, GNUNET_NO);
+ GNUNET_free_non_null (pc->nid);
+ GNUNET_free_non_null (pc->nuid);
+ GNUNET_free_non_null (pc->serialization);
+ if (pc->dsh != NULL)
+ {
+ GNUNET_DATASTORE_disconnect (pc->dsh, GNUNET_NO);
+ pc->dsh = NULL;
+ }
+ if (pc->client != NULL)
+ GNUNET_CLIENT_disconnect (pc->client, GNUNET_NO);
+ GNUNET_free (pc);
}
if (GNUNET_SYSERR == pcc->sc->in_network_wait)
{
- /* we were aborted in the meantime,
- finish shutdown! */
- publish_cleanup (pcc->sc);
+ /* we were aborted in the meantime, finish shutdown! */
+ GNUNET_SCHEDULER_add_continuation (&publish_cleanup,
+ pcc->sc,
+ GNUNET_SCHEDULER_REASON_PREREQ_DONE);
+ GNUNET_free (pcc);
return;
}
GNUNET_assert (GNUNET_YES == pcc->sc->in_network_wait);
if (GNUNET_OK != success)
{
GNUNET_asprintf (&pcc->p->emsg,
- _("Upload failed: %s"),
+ _("Publishing failed: %s"),
msg);
- GNUNET_FS_file_information_sync (pcc->p);
pi.status = GNUNET_FS_STATUS_PUBLISH_ERROR;
- make_publish_status (&pi, pcc->sc, pcc->p, 0);
pi.value.publish.eta = GNUNET_TIME_UNIT_FOREVER_REL;
pi.value.publish.specifics.error.message = pcc->p->emsg;
- pcc->p->client_info
- = pcc->sc->h->upcb (pcc->sc->h->upcb_cls,
- &pi);
- return;
+ pcc->p->client_info = GNUNET_FS_publish_make_status_ (&pi, pcc->sc, pcc->p, 0);
+ if ( (pcc->p->is_directory == GNUNET_NO) &&
+ (pcc->p->filename != NULL) &&
+ (pcc->p->data.file.do_index == GNUNET_YES) )
+ {
+ /* run unindex to clean up */
+ GNUNET_FS_unindex_start (pcc->sc->h,
+ pcc->p->filename,
+ NULL);
+ }
}
- GNUNET_FS_file_information_sync (pcc->p);
if (NULL != pcc->cont)
pcc->sc->upload_task
- = GNUNET_SCHEDULER_add_delayed (pcc->sc->h->sched,
- GNUNET_NO,
- GNUNET_SCHEDULER_PRIORITY_BACKGROUND,
- GNUNET_SCHEDULER_NO_TASK,
- GNUNET_TIME_UNIT_ZERO,
- pcc->cont,
- pcc->cont_cls);
+ = GNUNET_SCHEDULER_add_with_priority (GNUNET_SCHEDULER_PRIORITY_BACKGROUND,
+ pcc->cont,
+ pcc->cont_cls);
GNUNET_free (pcc);
}
struct GNUNET_FS_ProgressInfo pi;
pi.status = GNUNET_FS_STATUS_PUBLISH_COMPLETED;
- make_publish_status (&pi, sc, p,
- GNUNET_ntohll (p->chk_uri->data.chk.file_length));
pi.value.publish.eta = GNUNET_TIME_UNIT_ZERO;
pi.value.publish.specifics.completed.chk_uri = p->chk_uri;
- p->client_info
- = sc->h->upcb (sc->h->upcb_cls,
- &pi);
+ p->client_info = GNUNET_FS_publish_make_status_ (&pi, sc, p,
+ GNUNET_ntohll (p->chk_uri->data.chk.file_length));
}
p->emsg = GNUNET_strdup (emsg);
pi.status = GNUNET_FS_STATUS_PUBLISH_ERROR;
- make_publish_status (&pi, sc, p, 0);
pi.value.publish.eta = GNUNET_TIME_UNIT_FOREVER_REL;
pi.value.publish.specifics.error.message =emsg;
- p->client_info
- = sc->h->upcb (sc->h->upcb_cls,
- &pi);
+ p->client_info = GNUNET_FS_publish_make_status_ (&pi, sc, p, 0);
+ if ( (p->is_directory == GNUNET_NO) &&
+ (p->filename != NULL) &&
+ (p->data.file.do_index == GNUNET_YES) )
+ {
+ /* run unindex to clean up */
+ GNUNET_FS_unindex_start (sc->h,
+ p->filename,
+ NULL);
+ }
+
+}
+
+
+/**
+ * Datastore returns from reservation cancel request.
+ *
+ * @param cls the 'struct GNUNET_FS_PublishContext'
+ * @param success success code (not used)
+ * @param msg error message (typically NULL, not used)
+ */
+static void
+finish_release_reserve (void *cls,
+ int success,
+ const char *msg)
+{
+ struct GNUNET_FS_PublishContext *pc = cls;
+
+ pc->qre = NULL;
+ signal_publish_completion (pc->fi, pc);
+ pc->all_done = GNUNET_YES;
+ GNUNET_FS_publish_sync_ (pc);
}
const struct GNUNET_FS_Uri *uri,
const char *emsg)
{
- struct GNUNET_FS_PublishContext *sc = cls;
+ struct GNUNET_FS_PublishContext *pc = cls;
if (NULL != emsg)
{
- signal_publish_error (sc->fi,
- sc,
+ signal_publish_error (pc->fi,
+ pc,
emsg);
+ GNUNET_FS_publish_sync_ (pc);
return;
}
- // FIXME: release the datastore reserve here!
- signal_publish_completion (sc->fi, sc);
+ GNUNET_assert (pc->qre == NULL);
+ if ( (pc->dsh != NULL) &&
+ (pc->rid != 0) )
+ {
+ pc->qre = GNUNET_DATASTORE_release_reserve (pc->dsh,
+ pc->rid,
+ UINT_MAX,
+ UINT_MAX,
+ GNUNET_TIME_UNIT_FOREVER_REL,
+ &finish_release_reserve,
+ pc);
+ }
+ else
+ {
+ finish_release_reserve (pc, GNUNET_OK, NULL);
+ }
}
/**
- * We've finished publishing a KBlock
- * as part of a larger upload. Check
- * the result and continue the larger
- * upload.
+ * We've finished publishing a KBlock as part of a larger upload.
+ * Check the result and continue the larger upload.
*
* @param cls the "struct GNUNET_FS_PublishContext*"
* of the larger upload
const struct GNUNET_FS_Uri *uri,
const char *emsg)
{
- struct GNUNET_FS_PublishContext *sc = cls;
- struct GNUNET_FS_FileInformation *p = sc->fi_pos;
+ struct GNUNET_FS_PublishContext *pc = cls;
+ struct GNUNET_FS_FileInformation *p = pc->fi_pos;
if (NULL != emsg)
{
- signal_publish_error (p, sc, emsg);
- sc->upload_task
- = GNUNET_SCHEDULER_add_delayed (sc->h->sched,
- GNUNET_NO,
- GNUNET_SCHEDULER_PRIORITY_BACKGROUND,
- GNUNET_SCHEDULER_NO_TASK,
- GNUNET_TIME_UNIT_ZERO,
- &do_upload,
- sc);
+#if DEBUG_PUBLISH
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "Error uploading KSK blocks: %s\n",
+ emsg);
+#endif
+ signal_publish_error (p, pc, emsg);
+ GNUNET_FS_file_information_sync_ (p);
+ GNUNET_FS_publish_sync_ (pc);
+ pc->upload_task
+ = GNUNET_SCHEDULER_add_with_priority (GNUNET_SCHEDULER_PRIORITY_BACKGROUND,
+ &GNUNET_FS_publish_main_,
+ pc);
return;
}
- GNUNET_FS_file_information_sync (p);
+#if DEBUG_PUBLISH
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "KSK blocks published, moving on to next file\n");
+#endif
if (NULL != p->dir)
- signal_publish_completion (p, sc);
+ signal_publish_completion (p, pc);
/* move on to next file */
if (NULL != p->next)
- sc->fi_pos = p->next;
+ pc->fi_pos = p->next;
else
- sc->fi_pos = p->dir;
- sc->upload_task
- = GNUNET_SCHEDULER_add_delayed (sc->h->sched,
- GNUNET_NO,
- GNUNET_SCHEDULER_PRIORITY_BACKGROUND,
- GNUNET_SCHEDULER_NO_TASK,
- GNUNET_TIME_UNIT_ZERO,
- &do_upload,
- sc);
+ pc->fi_pos = p->dir;
+ GNUNET_FS_publish_sync_ (pc);
+ pc->upload_task
+ = GNUNET_SCHEDULER_add_with_priority (GNUNET_SCHEDULER_PRIORITY_BACKGROUND,
+ &GNUNET_FS_publish_main_,
+ pc);
}
pt_size = GNUNET_MIN(max,
p->data.dir.dir_size - offset);
dd = p->data.dir.dir_data;
- memcpy (&buf,
+ memcpy (buf,
&dd[offset],
pt_size);
}
{
pt_size = GNUNET_MIN(max,
p->data.file.file_size - offset);
+ if (pt_size == 0)
+ return 0; /* calling reader with pt_size==0
+ might free buf, so don't! */
if (pt_size !=
p->data.file.reader (p->data.file.reader_cls,
offset,
struct GNUNET_FS_FileInformation *p;
struct GNUNET_FS_ProgressInfo pi;
char *emsg;
-
+
p = sc->fi_pos;
GNUNET_FS_tree_encoder_finish (p->te,
&p->chk_uri,
p->te = NULL;
if (NULL != emsg)
{
+#if DEBUG_PUBLISH
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "Error during tree walk: %s\n",
+ emsg);
+#endif
GNUNET_asprintf (&p->emsg,
- _("Upload failed: %s"),
+ _("Publishing failed: %s"),
emsg);
GNUNET_free (emsg);
- GNUNET_FS_file_information_sync (p);
pi.status = GNUNET_FS_STATUS_PUBLISH_ERROR;
- make_publish_status (&pi, sc, p, 0);
pi.value.publish.eta = GNUNET_TIME_UNIT_FOREVER_REL;
pi.value.publish.specifics.error.message = p->emsg;
- p->client_info
- = sc->h->upcb (sc->h->upcb_cls,
- &pi);
+ p->client_info = GNUNET_FS_publish_make_status_ (&pi, sc, p, 0);
}
+#if DEBUG_PUBLISH
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "Finished with tree encoder\n");
+#endif
+ /* final progress event */
+ pi.status = GNUNET_FS_STATUS_PUBLISH_PROGRESS;
+ pi.value.publish.specifics.progress.data = NULL;
+ pi.value.publish.specifics.progress.offset = GNUNET_FS_uri_chk_get_file_size (p->chk_uri);
+ pi.value.publish.specifics.progress.data_len = 0;
+ pi.value.publish.specifics.progress.depth = 0;
+ p->client_info = GNUNET_FS_publish_make_status_ (&pi, sc, p,
+ GNUNET_FS_uri_chk_get_file_size (p->chk_uri));
+
/* continue with main */
sc->upload_task
- = GNUNET_SCHEDULER_add_delayed (sc->h->sched,
- GNUNET_NO,
- GNUNET_SCHEDULER_PRIORITY_BACKGROUND,
- GNUNET_SCHEDULER_NO_TASK,
- GNUNET_TIME_UNIT_ZERO,
- &do_upload,
- sc);
+ = GNUNET_SCHEDULER_add_with_priority (GNUNET_SCHEDULER_PRIORITY_BACKGROUND,
+ &GNUNET_FS_publish_main_,
+ sc);
}
*
* @param cls closure
* @param query the query for the block (key for lookup in the datastore)
+ * @param offset offset of the block in the file
* @param type type of the block (IBLOCK or DBLOCK)
* @param block the (encrypted) block
* @param block_size size of block (in bytes)
block_proc (void *cls,
const GNUNET_HashCode *query,
uint64_t offset,
- uint32_t type,
+ enum GNUNET_BLOCK_Type type,
const void *block,
uint16_t block_size)
{
p = sc->fi_pos;
if (NULL == sc->dsh)
{
+#if DEBUG_PUBLISH
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "Waiting for datastore connection\n");
+#endif
sc->upload_task
- = GNUNET_SCHEDULER_add_delayed (sc->h->sched,
- GNUNET_NO,
- GNUNET_SCHEDULER_PRIORITY_BACKGROUND,
- GNUNET_SCHEDULER_NO_TASK,
- GNUNET_TIME_UNIT_ZERO,
- &do_upload,
- sc);
+ = GNUNET_SCHEDULER_add_with_priority (GNUNET_SCHEDULER_PRIORITY_BACKGROUND,
+ &GNUNET_FS_publish_main_,
+ sc);
return;
}
GNUNET_assert (GNUNET_NO == sc->in_network_wait);
sc->in_network_wait = GNUNET_YES;
dpc_cls = GNUNET_malloc(sizeof(struct PutContCtx));
- dpc_cls->cont = &do_upload;
+ dpc_cls->cont = &GNUNET_FS_publish_main_;
dpc_cls->cont_cls = sc;
+ dpc_cls->sc = sc;
dpc_cls->p = p;
- if ( (p->is_directory) &&
- (p->data.file.do_index) &&
- (type == GNUNET_DATASTORE_BLOCKTYPE_DBLOCK) )
+ if ( (! p->is_directory) &&
+ (GNUNET_YES == p->data.file.do_index) &&
+ (type == GNUNET_BLOCK_TYPE_FS_DBLOCK) )
{
- odb.offset = offset;
+#if DEBUG_PUBLISH
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "Indexing block `%s' for offset %llu with index size %u\n",
+ GNUNET_h2s (query),
+ (unsigned long long) offset,
+ sizeof (struct OnDemandBlock));
+#endif
+ odb.offset = GNUNET_htonll (offset);
odb.file_id = p->data.file.file_id;
GNUNET_DATASTORE_put (sc->dsh,
- sc->rid,
+ (p->is_directory) ? 0 : sc->rid,
query,
- sizeof(struct OnDemandBlock),
+ sizeof (struct OnDemandBlock),
&odb,
- GNUNET_DATASTORE_BLOCKTYPE_ONDEMAND,
+ GNUNET_BLOCK_TYPE_FS_ONDEMAND,
p->priority,
p->anonymity,
p->expirationTime,
+ -2, 1,
GNUNET_CONSTANTS_SERVICE_TIMEOUT,
&ds_put_cont,
dpc_cls);
return;
}
+#if DEBUG_PUBLISH
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "Publishing block `%s' for offset %llu with size %u\n",
+ GNUNET_h2s (query),
+ (unsigned long long) offset,
+ (unsigned int) block_size);
+#endif
GNUNET_DATASTORE_put (sc->dsh,
- sc->rid,
+ (p->is_directory) ? 0 : sc->rid,
query,
block_size,
block,
p->priority,
p->anonymity,
p->expirationTime,
+ -2, 1,
GNUNET_CONSTANTS_SERVICE_TIMEOUT,
&ds_put_cont,
dpc_cls);
p = sc->fi_pos;
pi.status = GNUNET_FS_STATUS_PUBLISH_PROGRESS;
- make_publish_status (&pi, sc, p, offset);
pi.value.publish.specifics.progress.data = pt_block;
pi.value.publish.specifics.progress.offset = offset;
pi.value.publish.specifics.progress.data_len = pt_size;
pi.value.publish.specifics.progress.depth = depth;
- p->client_info
- = sc->h->upcb (sc->h->upcb_cls,
- &pi);
+ p->client_info = GNUNET_FS_publish_make_status_ (&pi, sc, p, offset);
}
uint64_t size;
p = sc->fi_pos;
+ GNUNET_assert (p != NULL);
if (NULL == p->te)
{
if (p->is_directory)
{
+#if DEBUG_PUBLISH
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "Creating directory\n");
+#endif
db = GNUNET_FS_directory_builder_create (p->meta);
dirpos = p->data.dir.entries;
while (NULL != dirpos)
GNUNET_FS_directory_builder_finish (db,
&p->data.dir.dir_size,
&p->data.dir.dir_data);
+ GNUNET_FS_file_information_sync_ (p);
}
size = (p->is_directory)
? p->data.dir.dir_size
: p->data.file.file_size;
+#if DEBUG_PUBLISH
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "Creating tree encoder\n");
+#endif
p->te = GNUNET_FS_tree_encoder_create (sc->h,
size,
sc,
&encode_cont);
}
+#if DEBUG_PUBLISH
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "Processing next block from tree\n");
+#endif
GNUNET_FS_tree_encoder_next (p->te);
}
const char *emsg;
uint16_t msize;
- GNUNET_CLIENT_disconnect (sc->client);
+ GNUNET_CLIENT_disconnect (sc->client, GNUNET_NO);
sc->client = NULL;
p = sc->fi_pos;
if (msg == NULL)
{
GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
_("Can not index file `%s': %s. Will try to insert instead.\n"),
- p->data.file.filename,
+ p->filename,
_("timeout on index-start request to `fs' service"));
p->data.file.do_index = GNUNET_NO;
+ GNUNET_FS_file_information_sync_ (p);
publish_content (sc);
return;
}
emsg = gettext_noop ("unknown error");
GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
_("Can not index file `%s': %s. Will try to insert instead.\n"),
- p->data.file.filename,
+ p->filename,
gettext (emsg));
p->data.file.do_index = GNUNET_NO;
+ GNUNET_FS_file_information_sync_ (p);
publish_content (sc);
return;
}
+ p->data.file.index_start_confirmed = GNUNET_YES;
/* success! continue with indexing */
+ GNUNET_FS_file_information_sync_ (p);
publish_content (sc);
}
-#if LINUX
-#include <sys/statvfs.h>
-#endif
-
/**
* Function called once the hash computation over an
* indexed file has completed.
struct IndexStartMessage *ism;
size_t slen;
struct GNUNET_CLIENT_Connection *client;
-#if LINUX
- struct stat sbuf;
- struct statvfs fbuf;
-#endif
+ uint64_t dev;
+ uint64_t ino;
+ char *fn;
+ sc->fhc = NULL;
p = sc->fi_pos;
if (NULL == res)
{
GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
_("Can not index file `%s': %s. Will try to insert instead.\n"),
- p->data.file.filename,
+ p->filename,
_("failed to compute hash"));
p->data.file.do_index = GNUNET_NO;
+ GNUNET_FS_file_information_sync_ (p);
+ publish_content (sc);
+ return;
+ }
+ if (GNUNET_YES == p->data.file.index_start_confirmed)
+ {
publish_content (sc);
return;
}
- slen = strlen (p->data.file.filename) + 1;
- if (slen > GNUNET_SERVER_MAX_MESSAGE_SIZE - sizeof(struct IndexStartMessage))
+ fn = GNUNET_STRINGS_filename_expand (p->filename);
+ GNUNET_assert (fn != NULL);
+ slen = strlen (fn) + 1;
+ if (slen >= GNUNET_SERVER_MAX_MESSAGE_SIZE - sizeof(struct IndexStartMessage))
{
GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
_("Can not index file `%s': %s. Will try to insert instead.\n"),
- p->data.file.filename,
+ fn,
_("filename too long"));
+ GNUNET_free (fn);
p->data.file.do_index = GNUNET_NO;
+ GNUNET_FS_file_information_sync_ (p);
publish_content (sc);
return;
}
- client = GNUNET_CLIENT_connect (sc->h->sched,
- "fs",
+#if DEBUG_PUBLISH
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "Hash of indexed file `%s' is `%s'\n",
+ p->filename,
+ GNUNET_h2s (res));
+#endif
+ client = GNUNET_CLIENT_connect ("fs",
sc->h->cfg);
if (NULL == client)
{
GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
_("Can not index file `%s': %s. Will try to insert instead.\n"),
- p->data.file.filename,
+ p->filename,
_("could not connect to `fs' service"));
p->data.file.do_index = GNUNET_NO;
publish_content (sc);
+ GNUNET_free (fn);
return;
}
- p->data.file.file_id = *res;
+ if (p->data.file.have_hash != GNUNET_YES)
+ {
+ p->data.file.file_id = *res;
+ p->data.file.have_hash = GNUNET_YES;
+ GNUNET_FS_file_information_sync_ (p);
+ }
ism = GNUNET_malloc (sizeof(struct IndexStartMessage) +
slen);
ism->header.size = htons(sizeof(struct IndexStartMessage) +
slen);
ism->header.type = htons(GNUNET_MESSAGE_TYPE_FS_INDEX_START);
- /* FIXME: activate this on other OSes that
- support it (or something very similar; make
- sure to also adjust corresponding code
- on the service-side) */
- /* FIXME: the block below should probably be
- abstracted into a function in the DISK API */
-#if LINUX
- if ( (0 == stat(p->data.file.filename,
- &sbuf)) &&
- (0 == statvfs (p->data.file.filename,
- &fbuf) ) )
+ if (GNUNET_OK ==
+ GNUNET_DISK_file_get_identifiers (p->filename,
+ &dev,
+ &ino))
+ {
+ ism->device = GNUNET_htonll (dev);
+ ism->inode = GNUNET_htonll(ino);
+ }
+#if DEBUG_PUBLISH
+ else
{
- ism->device = htonl ((uint32_t) fbuf.f_fsid);
- ism->inode = GNUNET_htonll( (uint64_t) sbuf.st_ino);
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ _("Failed to get file identifiers for `%s'\n"),
+ p->filename);
}
#endif
+ ism->file_id = *res;
memcpy (&ism[1],
- p->data.file.filename,
+ fn,
slen);
+ GNUNET_free (fn);
sc->client = client;
- GNUNET_CLIENT_transmit_and_get_response (client,
- &ism->header,
- GNUNET_TIME_UNIT_FOREVER_REL,
- &process_index_start_response,
- sc);
+ GNUNET_break (GNUNET_YES ==
+ GNUNET_CLIENT_transmit_and_get_response (client,
+ &ism->header,
+ GNUNET_TIME_UNIT_FOREVER_REL,
+ GNUNET_YES,
+ &process_index_start_response,
+ sc));
GNUNET_free (ism);
}
/**
* Main function that performs the upload.
+ *
* @param cls "struct GNUNET_FS_PublishContext" identifies the upload
* @param tc task context
*/
-static void
-do_upload (void *cls,
- const struct GNUNET_SCHEDULER_TaskContext *tc)
+void
+GNUNET_FS_publish_main_ (void *cls,
+ const struct GNUNET_SCHEDULER_TaskContext *tc)
{
- struct GNUNET_FS_PublishContext *sc = cls;
+ struct GNUNET_FS_PublishContext *pc = cls;
struct GNUNET_FS_ProgressInfo pi;
struct GNUNET_FS_FileInformation *p;
+ struct GNUNET_FS_Uri *loc;
char *fn;
- sc->upload_task = GNUNET_SCHEDULER_NO_TASK;
- p = sc->fi_pos;
+ pc->upload_task = GNUNET_SCHEDULER_NO_TASK;
+ p = pc->fi_pos;
if (NULL == p)
{
+#if DEBUG_PUBLISH
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "Publishing complete, now publishing SKS and KSK blocks.\n");
+#endif
/* upload of entire hierarchy complete,
publish namespace entries */
- publish_sblock (sc);
+ GNUNET_FS_publish_sync_ (pc);
+ publish_sblock (pc);
return;
}
/* find starting position */
(NULL == p->data.dir.entries->chk_uri) )
{
p = p->data.dir.entries;
- sc->fi_pos = p;
+ pc->fi_pos = p;
+ GNUNET_FS_publish_sync_ (pc);
}
/* abort on error */
if (NULL != p->emsg)
{
+#if DEBUG_PUBLISH
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "Error uploading: %s\n",
+ p->emsg);
+#endif
/* error with current file, abort all
related files as well! */
while (NULL != p->dir)
{
fn = GNUNET_CONTAINER_meta_data_get_by_type (p->meta,
- EXTRACTOR_FILENAME);
+ EXTRACTOR_METATYPE_FILENAME);
p = p->dir;
- GNUNET_asprintf (&p->emsg,
- _("Recursive upload failed at `%s'"),
- fn);
- GNUNET_free (fn);
- GNUNET_FS_file_information_sync (p);
+ if (fn != NULL)
+ {
+ GNUNET_asprintf (&p->emsg,
+ _("Recursive upload failed at `%s': %s"),
+ fn,
+ p->emsg);
+ GNUNET_free (fn);
+ }
+ else
+ {
+ GNUNET_asprintf (&p->emsg,
+ _("Recursive upload failed: %s"),
+ p->emsg);
+ }
pi.status = GNUNET_FS_STATUS_PUBLISH_ERROR;
- make_publish_status (&pi, sc, p, 0);
pi.value.publish.eta = GNUNET_TIME_UNIT_FOREVER_REL;
pi.value.publish.specifics.error.message = p->emsg;
- p->client_info
- = sc->h->upcb (sc->h->upcb_cls,
- &pi);
+ p->client_info = GNUNET_FS_publish_make_status_ (&pi, pc, p, 0);
}
+ pc->all_done = GNUNET_YES;
+ GNUNET_FS_publish_sync_ (pc);
return;
}
/* handle completion */
if (NULL != p->chk_uri)
{
+#if DEBUG_PUBLISH
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "File upload complete, now publishing KSK blocks.\n");
+#endif
+ if (0 == p->anonymity)
+ {
+ /* zero anonymity, box CHK URI in LOC URI */
+ loc = GNUNET_FS_uri_loc_create (p->chk_uri,
+ pc->h->cfg,
+ p->expirationTime);
+ GNUNET_FS_uri_destroy (p->chk_uri);
+ p->chk_uri = loc;
+ }
+ GNUNET_FS_publish_sync_ (pc);
/* upload of "p" complete, publish KBlocks! */
- GNUNET_FS_publish_ksk (sc->h,
- p->keywords,
- p->meta,
- p->chk_uri,
- p->expirationTime,
- p->anonymity,
- p->priority,
- sc->options,
- &publish_kblocks_cont,
- sc);
+ if (p->keywords != NULL)
+ {
+ GNUNET_FS_publish_ksk (pc->h,
+ p->keywords,
+ p->meta,
+ p->chk_uri,
+ p->expirationTime,
+ p->anonymity,
+ p->priority,
+ pc->options,
+ &publish_kblocks_cont,
+ pc);
+ }
+ else
+ {
+ publish_kblocks_cont (pc,
+ p->chk_uri,
+ NULL);
+ }
return;
}
if ( (!p->is_directory) &&
(p->data.file.do_index) )
{
- if (NULL == p->data.file.filename)
+ if (NULL == p->filename)
{
p->data.file.do_index = GNUNET_NO;
GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
_("Can not index file `%s': %s. Will try to insert instead.\n"),
"<no-name>",
_("needs to be an actual file"));
- publish_content (sc);
+ GNUNET_FS_file_information_sync_ (p);
+ publish_content (pc);
return;
}
- GNUNET_CRYPTO_hash_file (sc->h->sched,
- GNUNET_SCHEDULER_PRIORITY_IDLE,
- GNUNET_NO,
- p->data.file.filename,
- HASHING_BLOCKSIZE,
- &hash_for_index_cb,
- sc);
+ if (p->data.file.have_hash)
+ {
+ hash_for_index_cb (pc,
+ &p->data.file.file_id);
+ }
+ else
+ {
+ p->start_time = GNUNET_TIME_absolute_get ();
+ pc->fhc = GNUNET_CRYPTO_hash_file (GNUNET_SCHEDULER_PRIORITY_IDLE,
+ p->filename,
+ HASHING_BLOCKSIZE,
+ &hash_for_index_cb,
+ pc);
+ }
return;
}
- publish_content (sc);
+ publish_content (pc);
}
* @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 do_index should we index?
* @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)
struct GNUNET_FS_Uri **uri,
uint32_t *anonymity,
uint32_t *priority,
+ int *do_index,
struct GNUNET_TIME_Absolute *expirationTime,
void **client_info)
{
struct GNUNET_FS_PublishContext *sc = cls;
struct GNUNET_FS_ProgressInfo pi;
+ unsigned int kc;
+ uint64_t left;
+ if (*do_index)
+ {
+ /* space for on-demand blocks */
+ sc->reserve_space += ((length + DBLOCK_SIZE - 1) / DBLOCK_SIZE) * sizeof (struct OnDemandBlock);
+ }
+ else
+ {
+ /* space for DBlocks */
+ sc->reserve_space += length;
+ }
+ /* entries for IBlocks and DBlocks, space for IBlocks */
+ left = length;
+ while (1)
+ {
+ left = (left + DBLOCK_SIZE - 1) / DBLOCK_SIZE;
+ sc->reserve_entries += left;
+ if (left <= 1)
+ break;
+ left = left * sizeof (struct ContentHashKey);
+ sc->reserve_space += left;
+ }
+ sc->reserve_entries++;
+ /* entries and space for keywords */
+ if (NULL != *uri)
+ {
+ kc = GNUNET_FS_uri_ksk_get_keyword_count (*uri);
+ sc->reserve_entries += kc;
+ sc->reserve_space += GNUNET_SERVER_MAX_MESSAGE_SIZE * kc;
+ }
pi.status = GNUNET_FS_STATUS_PUBLISH_START;
- make_publish_status (&pi, sc, fi, 0);
- *client_info = sc->h->upcb (sc->h->upcb_cls,
- &pi);
+ *client_info = GNUNET_FS_publish_make_status_ (&pi, sc, fi, 0);
+ GNUNET_FS_file_information_sync_ (fi);
return GNUNET_OK;
}
+/**
+ * Signal the FS's progress function that we are suspending
+ * 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 do_index should we index?
+ * @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_suspend(void *cls,
+ struct GNUNET_FS_FileInformation *fi,
+ uint64_t length,
+ struct GNUNET_CONTAINER_MetaData *meta,
+ struct GNUNET_FS_Uri **uri,
+ uint32_t *anonymity,
+ uint32_t *priority,
+ int *do_index,
+ struct GNUNET_TIME_Absolute *expirationTime,
+ void **client_info)
+{
+ struct GNUNET_FS_PublishContext*sc = cls;
+ struct GNUNET_FS_ProgressInfo pi;
+ uint64_t off;
+
+ GNUNET_free_non_null (fi->serialization);
+ fi->serialization = NULL;
+ off = (fi->chk_uri == NULL) ? 0 : length;
+ pi.status = GNUNET_FS_STATUS_PUBLISH_SUSPEND;
+ GNUNET_break (NULL == GNUNET_FS_publish_make_status_ (&pi, sc, fi, off));
+ *client_info = NULL;
+ if (NULL != sc->dsh)
+ {
+ GNUNET_DATASTORE_disconnect (sc->dsh, GNUNET_NO);
+ sc->dsh = NULL;
+ }
+ return GNUNET_OK;
+}
+
+
+/**
+ * Create SUSPEND event for the given publish operation
+ * and then clean up our state (without stop signal).
+ *
+ * @param cls the 'struct GNUNET_FS_PublishContext' to signal for
+ */
+void
+GNUNET_FS_publish_signal_suspend_ (void *cls)
+{
+ struct GNUNET_FS_PublishContext *pc = cls;
+
+ if (GNUNET_SCHEDULER_NO_TASK != pc->upload_task)
+ {
+ GNUNET_SCHEDULER_cancel (pc->upload_task);
+ pc->upload_task = GNUNET_SCHEDULER_NO_TASK;
+ }
+ GNUNET_FS_file_information_inspect (pc->fi,
+ &fip_signal_suspend,
+ pc);
+ GNUNET_FS_end_top (pc->h, pc->top);
+ publish_cleanup (pc, NULL);
+}
+
+
+/**
+ * We have gotten a reply for our space reservation request.
+ * Either fail (insufficient space) or start publishing for good.
+ *
+ * @param cls the 'struct GNUNET_FS_PublishContext*'
+ * @param success positive reservation ID on success
+ * @param msg error message on error, otherwise NULL
+ */
+static void
+finish_reserve (void *cls,
+ int success,
+ const char *msg)
+{
+ struct GNUNET_FS_PublishContext *pc = cls;
+
+ pc->qre = NULL;
+ if ( (msg != NULL) ||
+ (success <= 0) )
+ {
+ GNUNET_asprintf (&pc->fi->emsg,
+ _("Insufficient space for publishing: %s"),
+ msg);
+ signal_publish_error (pc->fi,
+ pc,
+ pc->fi->emsg);
+ return;
+ }
+ pc->rid = success;
+ pc->upload_task
+ = GNUNET_SCHEDULER_add_with_priority (GNUNET_SCHEDULER_PRIORITY_BACKGROUND,
+ &GNUNET_FS_publish_main_,
+ pc);
+}
+
+
/**
* Publish a file or directory.
*
* @param h handle to the file sharing subsystem
- * @param ctx initial value to use for the '*ctx'
- * in the callback (for the GNUNET_FS_STATUS_PUBLISH_START event).
* @param fi information about the file or directory structure to publish
* @param namespace namespace to publish the file in, NULL for no namespace
* @param nid identifier to use for the publishd content in the namespace
*/
struct GNUNET_FS_PublishContext *
GNUNET_FS_publish_start (struct GNUNET_FS_Handle *h,
- void *ctx,
struct GNUNET_FS_FileInformation *fi,
struct GNUNET_FS_Namespace *namespace,
const char *nid,
struct GNUNET_FS_PublishContext *ret;
struct GNUNET_DATASTORE_Handle *dsh;
+ GNUNET_assert (NULL != h);
if (0 == (options & GNUNET_FS_PUBLISH_OPTION_SIMULATE_ONLY))
{
- dsh = GNUNET_DATASTORE_connect (h->cfg,
- h->sched);
+ dsh = GNUNET_DATASTORE_connect (h->cfg);
if (NULL == dsh)
return NULL;
}
ret = GNUNET_malloc (sizeof (struct GNUNET_FS_PublishContext));
ret->dsh = dsh;
ret->h = h;
- ret->client_ctx = ctx;
ret->fi = fi;
ret->namespace = namespace;
if (namespace != NULL)
if (NULL != nuid)
ret->nuid = GNUNET_strdup (nuid);
}
- // FIXME: make upload persistent!
-
/* signal start */
GNUNET_FS_file_information_inspect (ret->fi,
&fip_signal_start,
ret);
ret->fi_pos = ret->fi;
-
- // FIXME: calculate space needed for "fi"
- // and reserve as first task (then trigger
- // "do_upload" from that continuation)!
- ret->upload_task
- = GNUNET_SCHEDULER_add_delayed (h->sched,
- GNUNET_NO,
- GNUNET_SCHEDULER_PRIORITY_BACKGROUND,
- GNUNET_SCHEDULER_NO_TASK,
- GNUNET_TIME_UNIT_ZERO,
- &do_upload,
- ret);
+ ret->top = GNUNET_FS_make_top (h, &GNUNET_FS_publish_signal_suspend_, ret);
+ GNUNET_FS_publish_sync_ (ret);
+ if (NULL != ret->dsh)
+ {
+ GNUNET_log (GNUNET_ERROR_TYPE_INFO,
+ _("Reserving space for %u entries and %llu bytes for publication\n"),
+ (unsigned int) ret->reserve_entries,
+ (unsigned long long) ret->reserve_space);
+ ret->qre = GNUNET_DATASTORE_reserve (ret->dsh,
+ ret->reserve_space,
+ ret->reserve_entries,
+ UINT_MAX,
+ UINT_MAX,
+ GNUNET_TIME_UNIT_FOREVER_REL,
+ &finish_reserve,
+ ret);
+ }
+ else
+ {
+ ret->upload_task
+ = GNUNET_SCHEDULER_add_with_priority (GNUNET_SCHEDULER_PRIORITY_BACKGROUND,
+ &GNUNET_FS_publish_main_,
+ ret);
+ }
return ret;
}
* @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 do_index should we index?
* @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)
struct GNUNET_FS_Uri **uri,
uint32_t *anonymity,
uint32_t *priority,
+ int *do_index,
struct GNUNET_TIME_Absolute *expirationTime,
void **client_info)
{
struct GNUNET_FS_ProgressInfo pi;
uint64_t off;
+ if (fi->serialization != NULL)
+ {
+ GNUNET_FS_remove_sync_file_ (sc->h,
+ GNUNET_FS_SYNC_PATH_FILE_INFO,
+ fi->serialization);
+ GNUNET_free (fi->serialization);
+ fi->serialization = NULL;
+ }
off = (fi->chk_uri == NULL) ? 0 : length;
pi.status = GNUNET_FS_STATUS_PUBLISH_STOPPED;
- make_publish_status (&pi, sc, fi, off);
- GNUNET_break (NULL ==
- sc->h->upcb (sc->h->upcb_cls,
- &pi));
+ GNUNET_break (NULL == GNUNET_FS_publish_make_status_ (&pi, sc, fi, off));
*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.
+ * Must NOT be called from within the event callback!
*
- * @param sc context for the upload to stop
+ * @param pc context for the upload to stop
*/
void
-GNUNET_FS_publish_stop (struct GNUNET_FS_PublishContext *sc)
+GNUNET_FS_publish_stop (struct GNUNET_FS_PublishContext *pc)
{
- if (GNUNET_SCHEDULER_NO_TASK != sc->upload_task)
- 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,
+ GNUNET_FS_end_top (pc->h, pc->top);
+ if (NULL != pc->qre)
+ {
+ GNUNET_DATASTORE_cancel (pc->qre);
+ pc->qre = NULL;
+ }
+ if (NULL != pc->dsh)
+ {
+ GNUNET_DATASTORE_disconnect (pc->dsh, GNUNET_NO);
+ pc->dsh = NULL;
+ }
+ if (GNUNET_SCHEDULER_NO_TASK != pc->upload_task)
+ {
+ GNUNET_SCHEDULER_cancel (pc->upload_task);
+ pc->upload_task = GNUNET_SCHEDULER_NO_TASK;
+ }
+ if (pc->serialization != NULL)
+ {
+ GNUNET_FS_remove_sync_file_ (pc->h, GNUNET_FS_SYNC_PATH_MASTER_PUBLISH, pc->serialization);
+ GNUNET_free (pc->serialization);
+ pc->serialization = NULL;
+ }
+ GNUNET_FS_file_information_inspect (pc->fi,
&fip_signal_stop,
- sc);
- if (GNUNET_YES == sc->in_network_wait)
+ pc);
+ if (GNUNET_YES == pc->in_network_wait)
{
- sc->in_network_wait = GNUNET_SYSERR;
+ pc->in_network_wait = GNUNET_SYSERR;
return;
}
- publish_cleanup (sc);
+ publish_cleanup (pc, NULL);
}
if (GNUNET_OK != success)
{
- GNUNET_DATASTORE_disconnect (pkc->dsh, GNUNET_NO);
+ if (NULL != pkc->dsh)
+ {
+ GNUNET_DATASTORE_disconnect (pkc->dsh, GNUNET_NO);
+ pkc->dsh = NULL;
+ }
GNUNET_free (pkc->cpy);
GNUNET_free (pkc->kb);
pkc->cont (pkc->cont_cls,
GNUNET_free (pkc);
return;
}
- GNUNET_SCHEDULER_add_continuation (pkc->h->sched,
- GNUNET_NO,
- &publish_ksk_cont,
+ GNUNET_SCHEDULER_add_continuation (&publish_ksk_cont,
pkc,
GNUNET_SCHEDULER_REASON_PREREQ_DONE);
}
/**
- * Continuation of "GNUNET_FS_publish_ksk" that performs
- * the actual publishing operation (iterating over all
- * of the keywords).
+ * Continuation of "GNUNET_FS_publish_ksk" that performs the actual
+ * publishing operation (iterating over all of the keywords).
*
* @param cls closure of type "struct PublishKskContext*"
* @param tc unused
(NULL == pkc->dsh) )
{
if (NULL != pkc->dsh)
- GNUNET_DATASTORE_disconnect (pkc->dsh, GNUNET_NO);
+ {
+ GNUNET_DATASTORE_disconnect (pkc->dsh, GNUNET_NO);
+ pkc->dsh = NULL;
+ }
GNUNET_free (pkc->cpy);
GNUNET_free (pkc->kb);
pkc->cont (pkc->cont_cls,
&iv,
&pkc->cpy[1]);
pk = GNUNET_CRYPTO_rsa_key_create_from_hash (&key);
+ GNUNET_assert (NULL != pk);
GNUNET_CRYPTO_rsa_key_get_public (pk, &pkc->cpy->keyspace);
GNUNET_CRYPTO_hash (&pkc->cpy->keyspace,
sizeof (struct GNUNET_CRYPTO_RsaPublicKeyBinaryEncoded),
sizeof (struct KBlock) +
pkc->slen,
pkc->cpy,
- GNUNET_DATASTORE_BLOCKTYPE_KBLOCK,
+ GNUNET_BLOCK_TYPE_FS_KBLOCK,
pkc->priority,
pkc->anonymity,
pkc->expirationTime,
+ -2, 1,
GNUNET_CONSTANTS_SERVICE_TIMEOUT,
&kb_put_cont,
pkc);
*/
void
GNUNET_FS_publish_ksk (struct GNUNET_FS_Handle *h,
- struct GNUNET_FS_Uri *ksk_uri,
- struct GNUNET_CONTAINER_MetaData *meta,
- struct GNUNET_FS_Uri *uri,
+ const struct GNUNET_FS_Uri *ksk_uri,
+ const struct GNUNET_CONTAINER_MetaData *meta,
+ const struct GNUNET_FS_Uri *uri,
struct GNUNET_TIME_Absolute expirationTime,
uint32_t anonymity,
uint32_t priority,
char *uris;
size_t size;
char *kbe;
+ char *sptr;
+ GNUNET_assert (NULL != uri);
pkc = GNUNET_malloc (sizeof (struct PublishKskContext));
pkc->h = h;
pkc->expirationTime = expirationTime;
pkc->cont_cls = cont_cls;
if (0 == (options & GNUNET_FS_PUBLISH_OPTION_SIMULATE_ONLY))
{
- pkc->dsh = GNUNET_DATASTORE_connect (h->cfg,
- h->sched);
+ pkc->dsh = GNUNET_DATASTORE_connect (h->cfg);
if (pkc->dsh == NULL)
{
cont (cont_cls, NULL, _("Could not connect to datastore."));
return;
}
}
- pkc->mdsize = GNUNET_CONTAINER_meta_data_get_serialized_size (meta,
- GNUNET_CONTAINER_META_DATA_SERIALIZE_PART);
+ if (meta == NULL)
+ pkc->mdsize = 0;
+ else
+ pkc->mdsize = GNUNET_CONTAINER_meta_data_get_serialized_size (meta);
GNUNET_assert (pkc->mdsize >= 0);
uris = GNUNET_FS_uri_to_string (uri);
pkc->slen = strlen (uris) + 1;
kbe = (char *) &pkc->kb[1];
memcpy (kbe, uris, pkc->slen);
GNUNET_free (uris);
- pkc->mdsize = GNUNET_CONTAINER_meta_data_serialize (meta,
- &kbe[pkc->slen],
- pkc->mdsize,
- GNUNET_CONTAINER_META_DATA_SERIALIZE_PART);
+ sptr = &kbe[pkc->slen];
+ if (meta != NULL)
+ pkc->mdsize = GNUNET_CONTAINER_meta_data_serialize (meta,
+ &sptr,
+ pkc->mdsize,
+ GNUNET_CONTAINER_META_DATA_SERIALIZE_PART);
if (pkc->mdsize == -1)
{
GNUNET_break (0);
- GNUNET_free (uris);
GNUNET_free (pkc->kb);
if (pkc->dsh != NULL)
- GNUNET_DATASTORE_disconnect (pkc->dsh, GNUNET_NO);
+ {
+ GNUNET_DATASTORE_disconnect (pkc->dsh, GNUNET_NO);
+ pkc->dsh = NULL;
+ }
cont (cont_cls, NULL, _("Internal error."));
GNUNET_free (pkc);
return;
pkc->slen);
pkc->cpy->purpose.purpose = htonl(GNUNET_SIGNATURE_PURPOSE_FS_KBLOCK);
pkc->ksk_uri = GNUNET_FS_uri_dup (ksk_uri);
- GNUNET_SCHEDULER_add_continuation (h->sched,
- GNUNET_NO,
- &publish_ksk_cont,
+ GNUNET_SCHEDULER_add_continuation (&publish_ksk_cont,
pkc,
GNUNET_SCHEDULER_REASON_PREREQ_DONE);
}
-/**
- * Context for the SKS publication.
- */
-struct PublishSksContext
-{
-
- /**
- * Global FS context.
- */
- struct GNUNET_FS_Uri *uri;
-
- /**
- * Handle to the datastore.
- */
- struct GNUNET_DATASTORE_Handle *dsh;
-
- /**
- * Function to call once we're done.
- */
- GNUNET_FS_PublishContinuation cont;
-
- /**
- * Closure for cont.
- */
- void *cont_cls;
-
-};
-
-
-/**
- * Function called by the datastore API with
- * the result from the PUT (SBlock) request.
- *
- * @param cls closure of type "struct PublishSksContext*"
- * @param success GNUNET_OK on success
- * @param msg error message (or NULL)
- */
-static void
-sb_put_cont (void *cls,
- int success,
- const char *msg)
-{
- struct PublishSksContext *psc = cls;
-
- if (NULL != psc->dsh)
- GNUNET_DATASTORE_disconnect (psc->dsh, GNUNET_NO);
- if (GNUNET_OK != success)
- psc->cont (psc->cont_cls,
- NULL,
- msg);
- else
- psc->cont (psc->cont_cls,
- psc->uri,
- NULL);
- GNUNET_FS_uri_destroy (psc->uri);
- GNUNET_free (psc);
-}
-
-
-/**
- * Publish an SBlock on GNUnet.
- *
- * @param h handle to the file sharing subsystem
- * @param namespace namespace to publish in
- * @param identifier identifier to use
- * @param update update identifier to use
- * @param meta metadata to use
- * @param uri URI to refer to in the SBlock
- * @param expirationTime when the SBlock expires
- * @param anonymity anonymity level for the SBlock
- * @param priority priority for the SBlock
- * @param options publication options
- * @param cont continuation
- * @param cont_cls closure for cont
- */
-void
-GNUNET_FS_publish_sks (struct GNUNET_FS_Handle *h,
- struct GNUNET_FS_Namespace *namespace,
- const char *identifier,
- const char *update,
- struct GNUNET_CONTAINER_MetaData *meta,
- struct GNUNET_FS_Uri *uri,
- struct GNUNET_TIME_Absolute expirationTime,
- uint32_t anonymity,
- uint32_t priority,
- enum GNUNET_FS_PublishOptions options,
- GNUNET_FS_PublishContinuation cont,
- void *cont_cls)
-{
- struct PublishSksContext *psc;
- struct GNUNET_CRYPTO_AesSessionKey sk;
- struct GNUNET_CRYPTO_AesInitializationVector iv;
- struct GNUNET_FS_Uri *sks_uri;
- char *uris;
- size_t size;
- size_t slen;
- size_t nidlen;
- size_t idlen;
- ssize_t mdsize;
- struct SBlock *sb;
- struct SBlock *sb_enc;
- char *dest;
- GNUNET_HashCode key; /* hash of thisId = key */
- GNUNET_HashCode id; /* hash of hc = identifier */
-
- uris = GNUNET_FS_uri_to_string (uri);
- slen = strlen (uris) + 1;
- idlen = strlen (identifier);
- if (update == NULL)
- update = "";
- nidlen = strlen (update) + 1;
- mdsize = GNUNET_CONTAINER_meta_data_get_serialized_size (meta,
- GNUNET_CONTAINER_META_DATA_SERIALIZE_PART);
-
- size = sizeof (struct SBlock) + slen + nidlen + mdsize;
- if (size > MAX_SBLOCK_SIZE)
- {
- size = MAX_SBLOCK_SIZE;
- mdsize = size - (sizeof (struct SBlock) + slen + nidlen);
- }
- sb = GNUNET_malloc (sizeof (struct SBlock) + size);
- dest = (char *) &sb[1];
- memcpy (dest, update, nidlen);
- dest += nidlen;
- memcpy (dest, uris, slen);
- dest += slen;
- mdsize = GNUNET_CONTAINER_meta_data_serialize (meta,
- dest,
- mdsize,
- GNUNET_CONTAINER_META_DATA_SERIALIZE_PART);
- if (mdsize == -1)
- {
- GNUNET_break (0);
- GNUNET_free (uris);
- GNUNET_free (sb);
- cont (cont_cls,
- NULL,
- _("Internal error."));
- return;
- }
- size = sizeof (struct SBlock) + mdsize + slen + nidlen;
- sb_enc = GNUNET_malloc (sizeof (struct SBlock) + size);
- GNUNET_CRYPTO_hash (identifier, idlen, &key);
- GNUNET_CRYPTO_hash (&key, sizeof (GNUNET_HashCode), &id);
- sks_uri = GNUNET_malloc (sizeof (struct GNUNET_FS_Uri));
- sks_uri->type = sks;
- GNUNET_CRYPTO_rsa_key_get_public (namespace->key, &sb_enc->subspace);
- GNUNET_CRYPTO_hash (&sb_enc->subspace,
- sizeof (struct GNUNET_CRYPTO_RsaPublicKeyBinaryEncoded),
- &sks_uri->data.sks.namespace);
- sks_uri->data.sks.identifier = GNUNET_strdup (identifier);
- GNUNET_CRYPTO_hash_xor (&id,
- &sks_uri->data.sks.namespace,
- &sb_enc->identifier);
- GNUNET_CRYPTO_hash_to_aes_key (&key, &sk, &iv);
- GNUNET_CRYPTO_aes_encrypt (&sb[1],
- size - sizeof (struct SBlock),
- &sk,
- &iv,
- &sb_enc[1]);
- GNUNET_free (sb);
- sb_enc->purpose.purpose = htonl (GNUNET_SIGNATURE_PURPOSE_FS_SBLOCK);
- sb_enc->purpose.size = htonl(slen + mdsize + nidlen
- + sizeof(struct SBlock)
- - sizeof(struct GNUNET_CRYPTO_RsaSignature));
- GNUNET_assert (GNUNET_OK ==
- GNUNET_CRYPTO_rsa_sign (namespace->key,
- &sb_enc->purpose,
- &sb_enc->signature));
- psc = GNUNET_malloc (sizeof(struct PublishSksContext));
- psc->uri = sks_uri;
- psc->cont = cont;
- psc->cont_cls = cont_cls;
- if (0 != (options & GNUNET_FS_PUBLISH_OPTION_SIMULATE_ONLY))
- {
- GNUNET_free (sb_enc);
- sb_put_cont (psc,
- GNUNET_OK,
- NULL);
- return;
- }
- psc->dsh = GNUNET_DATASTORE_connect (h->cfg, h->sched);
- if (NULL == psc->dsh)
- {
- GNUNET_free (sb_enc);
- sb_put_cont (psc,
- GNUNET_NO,
- _("Failed to connect to datastore."));
- return;
- }
-
- GNUNET_DATASTORE_put (psc->dsh,
- 0,
- &sb->identifier,
- size,
- sb_enc,
- GNUNET_DATASTORE_BLOCKTYPE_SBLOCK,
- priority,
- anonymity,
- expirationTime,
- GNUNET_CONSTANTS_SERVICE_TIMEOUT,
- &sb_put_cont,
- psc);
- GNUNET_free (sb_enc);
-}
-
-
/* end of fs_publish.c */