/*
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 https://gnunet.org/encoding
* @author Krista Bennett
* @author Christian Grothoff
- *
- * TODO:
- * - 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 "gnunet_signatures.h"
#include "gnunet_util_lib.h"
#include "gnunet_fs_service.h"
-#include "fs.h"
+#include "fs_api.h"
#include "fs_tree.h"
-#define DEBUG_PUBLISH GNUNET_NO
-
-/**
- * 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);
-
-
-/**
- * Context for "ds_put_cont".
- */
-struct PutContCtx
-{
- /**
- * Current publishing context.
- */
- struct GNUNET_FS_PublishContext *sc;
-
- /**
- * Specific file with the block.
- */
- struct GNUNET_FS_FileInformation *p;
-
- /**
- * Function to run next, if any (can be NULL).
- */
- GNUNET_SCHEDULER_Task cont;
-
- /**
- * Closure for cont.
- */
- void *cont_cls;
-};
-
-
-/**
- * Fill in all of the generic fields for
- * a publish event.
+ * Fill in all of the generic fields for
+ * a publish event and call the callback.
*
* @param pi structure to fill in
- * @param sc overall publishing context
+ * @param pc 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 *pc,
+ const struct GNUNET_FS_FileInformation *p,
+ uint64_t offset)
{
- pi->value.publish.sc = sc;
+ pi->value.publish.pc = pc;
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
- = (p->is_directory) ? p->data.dir.dir_size : p->data.file.file_size;
- pi->value.publish.eta
- = GNUNET_TIME_calculate_eta (p->start_time,
- offset,
- pi->value.publish.size);
+ pi->value.publish.cctx = p->client_info;
+ pi->value.publish.pctx = (NULL == p->dir) ? NULL : p->dir->client_info;
+ pi->value.publish.filename = p->filename;
+ pi->value.publish.size =
+ (p->is_directory == GNUNET_YES) ? p->data.dir.dir_size : p->data.file.file_size;
+ pi->value.publish.eta =
+ GNUNET_TIME_calculate_eta (p->start_time, offset, pi->value.publish.size);
pi->value.publish.completed = offset;
- pi->value.publish.duration = GNUNET_TIME_absolute_get_duration (p->start_time);
- pi->value.publish.anonymity = p->anonymity;
+ pi->value.publish.duration =
+ GNUNET_TIME_absolute_get_duration (p->start_time);
+ pi->value.publish.anonymity = p->bo.anonymity_level;
+ pi->fsh = pc->h;
+ return pc->h->upcb (pc->h->upcb_cls, pi);
}
/**
- * Cleanup the publish context, we're done
- * with it.
+ * Cleanup the publish context, we're done with it.
*
- * @param sc struct to clean up after
+ * @param pc struct to clean up
*/
static void
-publish_cleanup (struct GNUNET_FS_PublishContext *sc)
+publish_cleanup (struct GNUNET_FS_PublishContext *pc)
{
- GNUNET_FS_file_information_destroy (sc->fi, NULL, NULL);
- if (sc->namespace != 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);
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Cleaning up publish context (done!)\n");
+ if (pc->fhc != NULL)
+ {
+ GNUNET_CRYPTO_hash_file_cancel (pc->fhc);
+ pc->fhc = NULL;
+ }
+ GNUNET_FS_file_information_destroy (pc->fi, NULL, NULL);
+ 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);
+ pc->client = NULL;
+ }
+ GNUNET_assert (GNUNET_SCHEDULER_NO_TASK == pc->upload_task);
+ GNUNET_free (pc);
}
* Function called by the datastore API with
* the result from the PUT request.
*
- * @param cls our closure
- * @param success GNUNET_OK on success
+ * @param cls the `struct GNUNET_FS_PublishContext *`
+ * @param success #GNUNET_OK on success
+ * @param min_expiration minimum expiration time required for content to be stored
* @param msg error message (or NULL)
*/
static void
-ds_put_cont (void *cls,
- int success,
- const char *msg)
+ds_put_cont (void *cls, int success,
+ struct GNUNET_TIME_Absolute min_expiration,
+ const char *msg)
{
- struct PutContCtx *pcc = cls;
+ struct GNUNET_FS_PublishContext *pc = cls;
struct GNUNET_FS_ProgressInfo pi;
- if (GNUNET_SYSERR == pcc->sc->in_network_wait)
+ pc->qre = NULL;
+ if (GNUNET_SYSERR == success)
+ {
+ GNUNET_asprintf (&pc->fi_pos->emsg, _("Publishing failed: %s"), msg);
+ pi.status = GNUNET_FS_STATUS_PUBLISH_ERROR;
+ pi.value.publish.eta = GNUNET_TIME_UNIT_FOREVER_REL;
+ pi.value.publish.specifics.error.message = pc->fi_pos->emsg;
+ pc->fi_pos->client_info =
+ GNUNET_FS_publish_make_status_ (&pi, pc, pc->fi_pos, 0);
+ if ((pc->fi_pos->is_directory != GNUNET_YES) &&
+ (pc->fi_pos->filename != NULL) &&
+ (pc->fi_pos->data.file.do_index == GNUNET_YES))
{
- /* we were aborted in the meantime,
- finish shutdown! */
- publish_cleanup (pcc->sc);
- return;
- }
- GNUNET_assert (GNUNET_YES == pcc->sc->in_network_wait);
- pcc->sc->in_network_wait = GNUNET_NO;
- if (GNUNET_OK != success)
- {
- GNUNET_asprintf (&pcc->p->emsg,
- _("Upload 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);
+ /* run unindex to clean up */
+ GNUNET_FS_unindex_start (pc->h, pc->fi_pos->filename, NULL);
}
- GNUNET_FS_file_information_sync (pcc->p);
- if (NULL != pcc->cont)
- pcc->sc->upload_task
- = GNUNET_SCHEDULER_add_with_priority (pcc->sc->h->sched,
- GNUNET_SCHEDULER_PRIORITY_BACKGROUND,
- pcc->cont,
- pcc->cont_cls);
- GNUNET_free (pcc);
+ }
+ GNUNET_assert (GNUNET_SCHEDULER_NO_TASK == pc->upload_task);
+ pc->upload_task =
+ GNUNET_SCHEDULER_add_with_priority (GNUNET_SCHEDULER_PRIORITY_BACKGROUND,
+ &GNUNET_FS_publish_main_, pc);
}
* published.
*
* @param p the completed upload
- * @param sc context of the publication
+ * @param pc context of the publication
*/
-static void
+static void
signal_publish_completion (struct GNUNET_FS_FileInformation *p,
- struct GNUNET_FS_PublishContext *sc)
+ struct GNUNET_FS_PublishContext *pc)
{
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, pc, p,
+ GNUNET_ntohll (p->chk_uri->data.
+ chk.file_length));
}
* a problem during publication.
*
* @param p the upload that had trouble
- * @param sc context of the publication
+ * @param pc context of the publication
* @param emsg error message
*/
-static void
+static void
signal_publish_error (struct GNUNET_FS_FileInformation *p,
- struct GNUNET_FS_PublishContext *sc,
- const char *emsg)
+ struct GNUNET_FS_PublishContext *pc, const char *emsg)
{
struct GNUNET_FS_ProgressInfo pi;
-
+
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);
+ pi.value.publish.specifics.error.message = emsg;
+ p->client_info = GNUNET_FS_publish_make_status_ (&pi, pc, p, 0);
+ if ((p->is_directory != GNUNET_YES) && (p->filename != NULL) &&
+ (p->data.file.do_index == GNUNET_YES))
+ {
+ /* run unindex to clean up */
+ GNUNET_FS_unindex_start (pc->h, p->filename, NULL);
+ }
+
+}
+
+
+/**
+ * Datastore returns from reservation cancel request.
+ *
+ * @param cls the `struct GNUNET_FS_PublishContext *`
+ * @param success success code (not used)
+ * @param min_expiration minimum expiration time required for content to be stored
+ * @param msg error message (typically NULL, not used)
+ */
+static void
+finish_release_reserve (void *cls, int success,
+ struct GNUNET_TIME_Absolute min_expiration,
+ const char *msg)
+{
+ struct GNUNET_FS_PublishContext *pc = cls;
+
+ pc->qre = NULL;
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "Releasing reserve done!\n");
+ signal_publish_completion (pc->fi, pc);
+ pc->all_done = GNUNET_YES;
+ GNUNET_FS_publish_sync_ (pc);
}
* @param emsg NULL on success, otherwise error message
*/
static void
-publish_sblocks_cont (void *cls,
- const struct GNUNET_FS_Uri *uri,
- const char *emsg)
+publish_sblocks_cont (void *cls, const struct GNUNET_FS_Uri *uri,
+ const char *emsg)
{
- struct GNUNET_FS_PublishContext *sc = cls;
+ struct GNUNET_FS_PublishContext *pc = cls;
+
+ pc->sks_pc = NULL;
if (NULL != emsg)
- {
- signal_publish_error (sc->fi,
- sc,
- emsg);
- return;
- }
- // FIXME: release the datastore reserve here!
- signal_publish_completion (sc->fi, sc);
- sc->all_done = GNUNET_YES;
+ {
+ signal_publish_error (pc->fi, pc, emsg);
+ GNUNET_FS_publish_sync_ (pc);
+ return;
+ }
+ 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, GNUNET_TIME_UNIT_ZERO_ABS, NULL);
+ }
}
* We are almost done publishing the structure,
* add SBlocks (if needed).
*
- * @param sc overall upload data
+ * @param pc overall upload data
*/
static void
-publish_sblock (struct GNUNET_FS_PublishContext *sc)
+publish_sblock (struct GNUNET_FS_PublishContext *pc)
{
- if (NULL != sc->namespace)
- GNUNET_FS_publish_sks (sc->h,
- sc->namespace,
- sc->nid,
- sc->nuid,
- sc->fi->meta,
- sc->fi->chk_uri,
- sc->fi->expirationTime,
- sc->fi->anonymity,
- sc->fi->priority,
- sc->options,
- &publish_sblocks_cont,
- sc);
+ if (NULL != pc->ns)
+ pc->sks_pc = GNUNET_FS_publish_sks (pc->h,
+ pc->ns,
+ pc->nid,
+ pc->nuid,
+ pc->fi->meta,
+ pc->fi->chk_uri,
+ &pc->fi->bo,
+ pc->options,
+ &publish_sblocks_cont, pc);
else
- publish_sblocks_cont (sc, NULL, NULL);
+ publish_sblocks_cont (pc, NULL, 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*"
+ * @param cls the `struct GNUNET_FS_PublishContext *`
* of the larger upload
* @param uri URI of the published blocks
* @param emsg NULL on success, otherwise error message
*/
static void
-publish_kblocks_cont (void *cls,
- const struct GNUNET_FS_Uri *uri,
- const char *emsg)
+publish_kblocks_cont (void *cls, 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;
+ pc->ksk_pc = NULL;
if (NULL != emsg)
- {
- signal_publish_error (p, sc, emsg);
- sc->upload_task
- = GNUNET_SCHEDULER_add_with_priority (sc->h->sched,
- GNUNET_SCHEDULER_PRIORITY_BACKGROUND,
- &do_upload,
- sc);
- return;
- }
- GNUNET_FS_file_information_sync (p);
+ {
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "Error uploading KSK blocks: %s\n",
+ emsg);
+ signal_publish_error (p, pc, emsg);
+ GNUNET_FS_file_information_sync_ (p);
+ GNUNET_FS_publish_sync_ (pc);
+ GNUNET_assert (GNUNET_SCHEDULER_NO_TASK == pc->upload_task);
+ pc->upload_task =
+ GNUNET_SCHEDULER_add_with_priority
+ (GNUNET_SCHEDULER_PRIORITY_BACKGROUND, &GNUNET_FS_publish_main_, pc);
+ return;
+ }
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "KSK blocks published, moving on to next file\n");
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_with_priority (sc->h->sched,
- GNUNET_SCHEDULER_PRIORITY_BACKGROUND,
- &do_upload,
- sc);
+ pc->fi_pos = p->dir;
+ GNUNET_FS_publish_sync_ (pc);
+ GNUNET_assert (GNUNET_SCHEDULER_NO_TASK == pc->upload_task);
+ pc->upload_task =
+ GNUNET_SCHEDULER_add_with_priority (GNUNET_SCHEDULER_PRIORITY_BACKGROUND,
+ &GNUNET_FS_publish_main_, pc);
}
* @return number of bytes copied to buf, 0 on error
*/
static size_t
-block_reader (void *cls,
- uint64_t offset,
- size_t max,
- void *buf,
- char **emsg)
+block_reader (void *cls, uint64_t offset, size_t max, void *buf, char **emsg)
{
- struct GNUNET_FS_PublishContext *sc = cls;
+ struct GNUNET_FS_PublishContext *pc = cls;
struct GNUNET_FS_FileInformation *p;
- size_t pt_size;
const char *dd;
+ size_t pt_size;
- p = sc->fi_pos;
- if (p->is_directory)
- {
- pt_size = GNUNET_MIN(max,
- p->data.dir.dir_size - offset);
- dd = p->data.dir.dir_data;
- memcpy (buf,
- &dd[offset],
- pt_size);
- }
+ p = pc->fi_pos;
+ if (GNUNET_YES == p->is_directory)
+ {
+ pt_size = GNUNET_MIN (max, p->data.dir.dir_size - offset);
+ dd = p->data.dir.dir_data;
+ memcpy (buf, &dd[offset], pt_size);
+ }
else
+ {
+ if (UINT64_MAX == offset)
{
- 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,
- pt_size,
- buf,
- emsg))
- return 0;
+ if (&GNUNET_FS_data_reader_file_ == p->data.file.reader)
+ {
+ /* force closing the file to avoid keeping too many files open */
+ p->data.file.reader (p->data.file.reader_cls, offset, 0, NULL, NULL);
+ }
+ return 0;
}
+ pt_size = GNUNET_MIN (max, p->data.file.file_size - offset);
+ if (0 == pt_size)
+ 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, pt_size, buf,
+ emsg))
+ return 0;
+ }
return pt_size;
}
* @param cls our publishing context
* @param tc scheduler's task context (not used)
*/
-static void
+static void
encode_cont (void *cls,
- const struct GNUNET_SCHEDULER_TaskContext *tc)
+ const struct GNUNET_SCHEDULER_TaskContext *tc)
{
- struct GNUNET_FS_PublishContext *sc = cls;
+ struct GNUNET_FS_PublishContext *pc = cls;
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,
- &emsg);
+ uint64_t flen;
+
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "Finished with tree encoder\n");
+ p = pc->fi_pos;
+ p->chk_uri = GNUNET_FS_tree_encoder_get_uri (p->te);
+ GNUNET_FS_file_information_sync_ (p);
+ GNUNET_FS_tree_encoder_finish (p->te, &emsg);
p->te = NULL;
if (NULL != emsg)
- {
- GNUNET_asprintf (&p->emsg,
- _("Upload 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);
- }
- /* continue with main */
- sc->upload_task
- = GNUNET_SCHEDULER_add_with_priority (sc->h->sched,
- GNUNET_SCHEDULER_PRIORITY_BACKGROUND,
- &do_upload,
- sc);
+ {
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "Error during tree walk: %s\n",
+ emsg);
+ GNUNET_asprintf (&p->emsg,
+ _("Publishing failed: %s"),
+ emsg);
+ GNUNET_free (emsg);
+ pi.status = GNUNET_FS_STATUS_PUBLISH_ERROR;
+ pi.value.publish.eta = GNUNET_TIME_UNIT_FOREVER_REL;
+ pi.value.publish.specifics.error.message = p->emsg;
+ p->client_info = GNUNET_FS_publish_make_status_ (&pi, pc, p, 0);
+ }
+ else
+ {
+ /* final progress event */
+ GNUNET_assert (NULL != p->chk_uri);
+ flen = GNUNET_FS_uri_chk_get_file_size (p->chk_uri);
+ pi.status = GNUNET_FS_STATUS_PUBLISH_PROGRESS;
+ pi.value.publish.specifics.progress.data = NULL;
+ pi.value.publish.specifics.progress.offset = flen;
+ pi.value.publish.specifics.progress.data_len = 0;
+ pi.value.publish.specifics.progress.depth = GNUNET_FS_compute_depth (flen);
+ p->client_info = GNUNET_FS_publish_make_status_ (&pi, pc, p, flen);
+ }
+ /* continue with main */ /* continue with main */
+ GNUNET_assert (GNUNET_SCHEDULER_NO_TASK == pc->upload_task);
+ pc->upload_task =
+ GNUNET_SCHEDULER_add_with_priority (GNUNET_SCHEDULER_PRIORITY_BACKGROUND,
+ &GNUNET_FS_publish_main_, pc);
}
/**
* Function called asking for the current (encoded)
* block to be processed. After processing the
- * client should either call "GNUNET_FS_tree_encode_next"
- * or (on error) "GNUNET_FS_tree_encode_finish".
+ * client should either call #GNUNET_FS_tree_encoder_next
+ * or (on error) #GNUNET_FS_tree_encoder_finish.
*
* @param cls closure
- * @param query the query for the block (key for lookup in the datastore)
+ * @param chk content hash key for the block
* @param offset offset of the block in the file
+ * @param depth depth of the block in the file, 0 for DBLOCK
* @param type type of the block (IBLOCK or DBLOCK)
* @param block the (encrypted) block
- * @param block_size size of block (in bytes)
+ * @param block_size size of @a block (in bytes)
*/
-static void
+static void
block_proc (void *cls,
- const GNUNET_HashCode *query,
- uint64_t offset,
- uint32_t type,
- const void *block,
- uint16_t block_size)
+ const struct ContentHashKey *chk,
+ uint64_t offset,
+ unsigned int depth,
+ enum GNUNET_BLOCK_Type type,
+ const void *block,
+ uint16_t block_size)
{
- struct GNUNET_FS_PublishContext *sc = cls;
+ struct GNUNET_FS_PublishContext *pc = cls;
struct GNUNET_FS_FileInformation *p;
- struct PutContCtx * dpc_cls;
struct OnDemandBlock odb;
- p = sc->fi_pos;
- if (NULL == sc->dsh)
- {
- sc->upload_task
- = GNUNET_SCHEDULER_add_with_priority (sc->h->sched,
- GNUNET_SCHEDULER_PRIORITY_BACKGROUND,
- &do_upload,
- 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_cls = sc;
- dpc_cls->sc = sc;
- dpc_cls->p = p;
- if ( (! p->is_directory) &&
+ p = pc->fi_pos;
+ if (NULL == pc->dsh)
+ {
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Waiting for datastore connection\n");
+ GNUNET_assert (GNUNET_SCHEDULER_NO_TASK == pc->upload_task);
+ pc->upload_task =
+ GNUNET_SCHEDULER_add_with_priority
+ (GNUNET_SCHEDULER_PRIORITY_BACKGROUND, &GNUNET_FS_publish_main_, pc);
+ return;
+ }
+
+ if ( (GNUNET_YES != p->is_directory) &&
(GNUNET_YES == p->data.file.do_index) &&
- (type == GNUNET_DATASTORE_BLOCKTYPE_DBLOCK) )
- {
-#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 = offset;
- odb.file_id = p->data.file.file_id;
- GNUNET_DATASTORE_put (sc->dsh,
- sc->rid,
- query,
- sizeof(struct OnDemandBlock),
- &odb,
- GNUNET_DATASTORE_BLOCKTYPE_ONDEMAND,
- p->priority,
- p->anonymity,
- p->expirationTime,
- GNUNET_CONSTANTS_SERVICE_TIMEOUT,
- &ds_put_cont,
- dpc_cls);
- return;
- }
-#if DEBUG_PUBLISH
+ (GNUNET_BLOCK_TYPE_FS_DBLOCK == type) )
+ {
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "Indexing block `%s' for offset %llu with index size %u\n",
+ GNUNET_h2s (&chk->query), (unsigned long long) offset,
+ sizeof (struct OnDemandBlock));
+ odb.offset = GNUNET_htonll (offset);
+ odb.file_id = p->data.file.file_id;
+ GNUNET_assert (pc->qre == NULL);
+ pc->qre =
+ GNUNET_DATASTORE_put (pc->dsh, (p->is_directory == GNUNET_YES) ? 0 : pc->rid,
+ &chk->query, sizeof (struct OnDemandBlock), &odb,
+ GNUNET_BLOCK_TYPE_FS_ONDEMAND,
+ p->bo.content_priority, p->bo.anonymity_level,
+ p->bo.replication_level, p->bo.expiration_time,
+ -2, 1, GNUNET_CONSTANTS_SERVICE_TIMEOUT,
+ &ds_put_cont, pc);
+ return;
+ }
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,
- query,
- block_size,
- block,
- type,
- p->priority,
- p->anonymity,
- p->expirationTime,
- GNUNET_CONSTANTS_SERVICE_TIMEOUT,
- &ds_put_cont,
- dpc_cls);
+ "Publishing block `%s' for offset %llu with size %u\n",
+ GNUNET_h2s (&chk->query), (unsigned long long) offset,
+ (unsigned int) block_size);
+ GNUNET_assert (pc->qre == NULL);
+ pc->qre =
+ GNUNET_DATASTORE_put (pc->dsh, (p->is_directory == GNUNET_YES) ? 0 : pc->rid,
+ &chk->query, block_size, block, type,
+ p->bo.content_priority, p->bo.anonymity_level,
+ p->bo.replication_level, p->bo.expiration_time, -2,
+ 1, GNUNET_CONSTANTS_SERVICE_TIMEOUT, &ds_put_cont,
+ pc);
}
* @param cls closure
* @param offset where are we in the file
* @param pt_block plaintext of the currently processed block
- * @param pt_size size of pt_block
- * @param depth depth of the block in the tree
+ * @param pt_size size of @a pt_block
+ * @param depth depth of the block in the tree, 0 for DBLOCK
*/
-static void
-progress_proc (void *cls,
- uint64_t offset,
- const void *pt_block,
- size_t pt_size,
- unsigned int depth)
-{
- struct GNUNET_FS_PublishContext *sc = cls;
+static void
+progress_proc (void *cls, uint64_t offset,
+ const void *pt_block,
+ size_t pt_size,
+ unsigned int depth)
+{
+ struct GNUNET_FS_PublishContext *pc = cls;
struct GNUNET_FS_FileInformation *p;
+ struct GNUNET_FS_FileInformation *par;
struct GNUNET_FS_ProgressInfo pi;
- p = sc->fi_pos;
+ p = pc->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, pc, p, offset);
+ if ( (0 != depth) ||
+ (GNUNET_YES == p->is_directory) )
+ return;
+ while (NULL != (par = p->dir))
+ {
+ p = par;
+ GNUNET_assert (GNUNET_YES == par->is_directory);
+ p->data.dir.contents_completed += pt_size;
+ pi.status = GNUNET_FS_STATUS_PUBLISH_PROGRESS_DIRECTORY;
+ pi.value.publish.specifics.progress_directory.completed = p->data.dir.contents_completed;
+ pi.value.publish.specifics.progress_directory.total = p->data.dir.contents_size;
+ pi.value.publish.specifics.progress_directory.eta = GNUNET_TIME_calculate_eta (p->start_time,
+ p->data.dir.contents_completed,
+ p->data.dir.contents_size);
+ p->client_info = GNUNET_FS_publish_make_status_ (&pi, pc, p, 0);
+
+ }
}
* block into memory, encrypt it and send it to the FS service. Then
* continue with the main task.
*
- * @param sc overall upload data
+ * @param pc overall upload data
*/
static void
-publish_content (struct GNUNET_FS_PublishContext *sc)
+publish_content (struct GNUNET_FS_PublishContext *pc)
{
struct GNUNET_FS_FileInformation *p;
char *emsg;
void *raw_data;
uint64_t size;
- p = sc->fi_pos;
+ p = pc->fi_pos;
+ GNUNET_assert (NULL != p);
if (NULL == p->te)
+ {
+ if (GNUNET_YES == p->is_directory)
{
- if (p->is_directory)
- {
- db = GNUNET_FS_directory_builder_create (p->meta);
- dirpos = p->data.dir.entries;
- while (NULL != dirpos)
- {
- if (dirpos->is_directory)
- {
- raw_data = dirpos->data.dir.dir_data;
- dirpos->data.dir.dir_data = NULL;
- }
- else
- {
- raw_data = NULL;
- if ( (dirpos->data.file.file_size < MAX_INLINE_SIZE) &&
- (dirpos->data.file.file_size > 0) )
- {
- raw_data = GNUNET_malloc (dirpos->data.file.file_size);
- emsg = NULL;
- if (dirpos->data.file.file_size !=
- dirpos->data.file.reader (dirpos->data.file.reader_cls,
- 0,
- dirpos->data.file.file_size,
- raw_data,
- &emsg))
- {
- GNUNET_free_non_null (emsg);
- GNUNET_free (raw_data);
- raw_data = NULL;
- }
- }
- }
- GNUNET_FS_directory_builder_add (db,
- dirpos->chk_uri,
- dirpos->meta,
- raw_data);
- GNUNET_free_non_null (raw_data);
- dirpos = dirpos->next;
- }
- GNUNET_FS_directory_builder_finish (db,
- &p->data.dir.dir_size,
- &p->data.dir.dir_data);
- }
- size = (p->is_directory)
- ? p->data.dir.dir_size
- : p->data.file.file_size;
- p->te = GNUNET_FS_tree_encoder_create (sc->h,
- size,
- sc,
- &block_reader,
- &block_proc,
- &progress_proc,
- &encode_cont);
-
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Creating directory\n");
+ db = GNUNET_FS_directory_builder_create (p->meta);
+ dirpos = p->data.dir.entries;
+ while (NULL != dirpos)
+ {
+ if (GNUNET_YES == dirpos->is_directory)
+ {
+ raw_data = dirpos->data.dir.dir_data;
+ dirpos->data.dir.dir_data = NULL;
+ }
+ else
+ {
+ raw_data = NULL;
+ if ((dirpos->data.file.file_size < MAX_INLINE_SIZE) &&
+ (dirpos->data.file.file_size > 0))
+ {
+ raw_data = GNUNET_malloc (dirpos->data.file.file_size);
+ emsg = NULL;
+ if (dirpos->data.file.file_size !=
+ dirpos->data.file.reader (dirpos->data.file.reader_cls, 0,
+ dirpos->data.file.file_size, raw_data,
+ &emsg))
+ {
+ GNUNET_free_non_null (emsg);
+ GNUNET_free (raw_data);
+ raw_data = NULL;
+ }
+ dirpos->data.file.reader (dirpos->data.file.reader_cls, UINT64_MAX, 0, 0, NULL);
+ }
+ }
+ GNUNET_FS_directory_builder_add (db, dirpos->chk_uri, dirpos->meta,
+ raw_data);
+ GNUNET_free_non_null (raw_data);
+ dirpos = dirpos->next;
+ }
+ GNUNET_free_non_null (p->data.dir.dir_data);
+ p->data.dir.dir_data = NULL;
+ p->data.dir.dir_size = 0;
+ GNUNET_FS_directory_builder_finish (db, &p->data.dir.dir_size,
+ &p->data.dir.dir_data);
+ GNUNET_FS_file_information_sync_ (p);
}
+ size = (GNUNET_YES == p->is_directory) ? p->data.dir.dir_size : p->data.file.file_size;
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "Creating tree encoder\n");
+ p->te =
+ GNUNET_FS_tree_encoder_create (pc->h, size, pc, &block_reader,
+ &block_proc, &progress_proc,
+ &encode_cont);
+
+ }
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "Processing next block from tree\n");
GNUNET_FS_tree_encoder_next (p->te);
}
* Process the response (or lack thereof) from
* the "fs" service to our 'start index' request.
*
- * @param cls closure (of type "struct GNUNET_FS_PublishContext*"_)
+ * @param cls closure (of type `struct GNUNET_FS_PublishContext *`)
* @param msg the response we got
*/
static void
process_index_start_response (void *cls,
const struct GNUNET_MessageHeader *msg)
{
- struct GNUNET_FS_PublishContext *sc = cls;
+ struct GNUNET_FS_PublishContext *pc = cls;
struct GNUNET_FS_FileInformation *p;
const char *emsg;
uint16_t msize;
- GNUNET_CLIENT_disconnect (sc->client);
- 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,
- _("timeout on index-start request to `fs' service"));
- p->data.file.do_index = GNUNET_NO;
- publish_content (sc);
- return;
- }
+ GNUNET_CLIENT_disconnect (pc->client);
+ pc->client = NULL;
+ p = pc->fi_pos;
+ if (NULL == msg)
+ {
+ GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
+ _("Can not index file `%s': %s. Will try to insert instead.\n"),
+ 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 (pc);
+ return;
+ }
if (ntohs (msg->type) != GNUNET_MESSAGE_TYPE_FS_INDEX_START_OK)
- {
- msize = ntohs (msg->size);
- emsg = (const char *) &msg[1];
- if ( (msize <= sizeof (struct GNUNET_MessageHeader)) ||
- (emsg[msize - sizeof(struct GNUNET_MessageHeader) - 1] != '\0') )
- 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,
- gettext (emsg));
- p->data.file.do_index = GNUNET_NO;
- publish_content (sc);
- return;
- }
+ {
+ msize = ntohs (msg->size);
+ emsg = (const char *) &msg[1];
+ if ((msize <= sizeof (struct GNUNET_MessageHeader)) ||
+ (emsg[msize - sizeof (struct GNUNET_MessageHeader) - 1] != '\0'))
+ emsg = gettext_noop ("unknown error");
+ GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
+ _
+ ("Can not index file `%s': %s. Will try to insert instead.\n"),
+ p->filename, gettext (emsg));
+ p->data.file.do_index = GNUNET_NO;
+ GNUNET_FS_file_information_sync_ (p);
+ publish_content (pc);
+ return;
+ }
p->data.file.index_start_confirmed = GNUNET_YES;
/* success! continue with indexing */
- publish_content (sc);
+ GNUNET_FS_file_information_sync_ (p);
+ publish_content (pc);
}
* @param cls closure, our publishing context
* @param res resulting hash, NULL on error
*/
-static void
+static void
hash_for_index_cb (void *cls,
- const GNUNET_HashCode *
- res)
+ const struct GNUNET_HashCode *res)
{
- struct GNUNET_FS_PublishContext *sc = cls;
+ struct GNUNET_FS_PublishContext *pc = cls;
struct GNUNET_FS_FileInformation *p;
struct IndexStartMessage *ism;
size_t slen;
struct GNUNET_CLIENT_Connection *client;
- uint32_t dev;
+ uint64_t dev;
uint64_t ino;
+ char *fn;
- 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,
- _("failed to compute hash"));
- p->data.file.do_index = GNUNET_NO;
- publish_content (sc);
- return;
- }
+ pc->fhc = NULL;
+ p = pc->fi_pos;
+ if (NULL == res)
+ {
+ GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
+ _("Can not index file `%s': %s. Will try to insert instead.\n"),
+ p->filename,
+ _("failed to compute hash"));
+ p->data.file.do_index = GNUNET_NO;
+ GNUNET_FS_file_information_sync_ (p);
+ publish_content (pc);
+ 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))
- {
- GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
- _("Can not index file `%s': %s. Will try to insert instead.\n"),
- p->data.file.filename,
- _("filename too long"));
- p->data.file.do_index = GNUNET_NO;
- publish_content (sc);
- return;
- }
-#if DEBUG_PUBLISH
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
- "Hash of indexed file `%s' is `%s'\n",
- p->data.file.filename,
- GNUNET_h2s (res));
-#endif
- client = GNUNET_CLIENT_connect (sc->h->sched,
- "fs",
- sc->h->cfg);
+ {
+ publish_content (pc);
+ return;
+ }
+ 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"),
+ fn, _("filename too long"));
+ GNUNET_free (fn);
+ p->data.file.do_index = GNUNET_NO;
+ GNUNET_FS_file_information_sync_ (p);
+ publish_content (pc);
+ return;
+ }
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Hash of indexed file `%s' is `%s'\n",
+ p->filename, GNUNET_h2s (res));
+ if (0 != (pc->options & GNUNET_FS_PUBLISH_OPTION_SIMULATE_ONLY))
+ {
+ p->data.file.file_id = *res;
+ p->data.file.have_hash = GNUNET_YES;
+ p->data.file.index_start_confirmed = GNUNET_YES;
+ GNUNET_FS_file_information_sync_ (p);
+ publish_content (pc);
+ GNUNET_free (fn);
+ return;
+ }
+ client = GNUNET_CLIENT_connect ("fs", pc->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,
- _("could not connect to `fs' service"));
- p->data.file.do_index = GNUNET_NO;
- publish_content (sc);
- return;
- }
- p->data.file.file_id = *res;
- p->data.file.have_hash = GNUNET_YES;
- 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);
- if (GNUNET_OK ==
- GNUNET_DISK_file_get_identifiers (p->data.file.filename,
- &dev,
- &ino))
- {
- ism->device = htonl (dev);
- ism->inode = GNUNET_htonll(ino);
- }
+ {
+ GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
+ _("Can not index file `%s': %s. Will try to insert instead.\n"),
+ p->filename,
+ _("could not connect to `fs' service"));
+ p->data.file.do_index = GNUNET_NO;
+ publish_content (pc);
+ GNUNET_free (fn);
+ return;
+ }
+ 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);
+ if (GNUNET_OK == GNUNET_DISK_file_get_identifiers (p->filename, &dev, &ino))
+ {
+ ism->device = GNUNET_htonll (dev);
+ ism->inode = GNUNET_htonll (ino);
+ }
else
- {
- GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
- _("Failed to get file identifiers for `%s'\n"),
- p->data.file.filename);
- }
+ {
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ _("Failed to get file identifiers for `%s'\n"), p->filename);
+ }
ism->file_id = *res;
- memcpy (&ism[1],
- p->data.file.filename,
- slen);
- sc->client = client;
+ memcpy (&ism[1], fn, slen);
+ GNUNET_free (fn);
+ pc->client = client;
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_CLIENT_transmit_and_get_response (client, &ism->header,
+ GNUNET_TIME_UNIT_FOREVER_REL,
+ GNUNET_YES,
+ &process_index_start_response,
+ pc));
GNUNET_free (ism);
}
/**
* Main function that performs the upload.
- * @param cls "struct GNUNET_FS_PublishContext" identifies 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)
- {
- /* upload of entire hierarchy complete,
- publish namespace entries */
- publish_sblock (sc);
- return;
- }
+ {
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "Publishing complete, now publishing SKS and KSK blocks.\n");
+ /* upload of entire hierarchy complete,
+ * publish namespace entries */
+ GNUNET_FS_publish_sync_ (pc);
+ publish_sblock (pc);
+ return;
+ }
/* find starting position */
- while ( (p->is_directory) &&
+ while ( (GNUNET_YES == p->is_directory) &&
(NULL != p->data.dir.entries) &&
(NULL == p->emsg) &&
(NULL == p->data.dir.entries->chk_uri) )
- {
- p = p->data.dir.entries;
- sc->fi_pos = p;
- }
+ {
+ p = p->data.dir.entries;
+ pc->fi_pos = p;
+ GNUNET_FS_publish_sync_ (pc);
+ }
/* abort on error */
if (NULL != p->emsg)
+ {
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "Error uploading: %s\n",
+ p->emsg);
+ /* error with current file, abort all
+ * related files as well! */
+ while (NULL != p->dir)
{
- /* 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_METATYPE_FILENAME);
- p = p->dir;
- GNUNET_asprintf (&p->emsg,
- _("Recursive upload failed at `%s'"),
- fn);
- GNUNET_free (fn);
- 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);
- }
- sc->all_done = GNUNET_YES;
- return;
+ fn = GNUNET_CONTAINER_meta_data_get_by_type (p->meta,
+ EXTRACTOR_METATYPE_GNUNET_ORIGINAL_FILENAME);
+ p = p->dir;
+ 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;
+ pi.value.publish.eta = GNUNET_TIME_UNIT_FOREVER_REL;
+ pi.value.publish.specifics.error.message = p->emsg;
+ 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)
+ {
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "File upload complete, now publishing KSK blocks.\n");
+ if (0 == p->bo.anonymity_level)
{
- /* 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);
- return;
+ /* zero anonymity, box CHK URI in LOC URI */
+ loc =
+ GNUNET_FS_uri_loc_create (p->chk_uri, pc->h->cfg,
+ p->bo.expiration_time);
+ GNUNET_FS_uri_destroy (p->chk_uri);
+ p->chk_uri = loc;
+ GNUNET_FS_file_information_sync_ (p);
}
- if ( (!p->is_directory) &&
- (p->data.file.do_index) )
+ GNUNET_FS_publish_sync_ (pc);
+ /* upload of "p" complete, publish KBlocks! */
+ if (NULL != p->keywords)
{
- if (NULL == p->data.file.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);
- return;
- }
- if (p->data.file.have_hash)
- hash_for_index_cb (sc,
- &p->data.file.file_id);
- else
- GNUNET_CRYPTO_hash_file (sc->h->sched,
- GNUNET_SCHEDULER_PRIORITY_IDLE,
- p->data.file.filename,
- HASHING_BLOCKSIZE,
- &hash_for_index_cb,
- sc);
+ pc->ksk_pc = GNUNET_FS_publish_ksk (pc->h, p->keywords, p->meta, p->chk_uri, &p->bo,
+ pc->options, &publish_kblocks_cont, pc);
+ }
+ else
+ {
+ publish_kblocks_cont (pc, p->chk_uri, NULL);
+ }
+ return;
+ }
+ if ((GNUNET_YES != p->is_directory) && (p->data.file.do_index))
+ {
+ 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"));
+ GNUNET_FS_file_information_sync_ (p);
+ publish_content (pc);
return;
}
- publish_content (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 (pc);
}
* Signal the FS's progress function that we are starting
* an upload.
*
- * @param cls closure (of type "struct GNUNET_FS_PublishContext*")
+ * @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 bo block options
+ * @param do_index should we index?
* @param client_info pointer to client context set upon creation (can be modified)
- * @return GNUNET_OK to continue (always)
+ * @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,
- uint32_t *anonymity,
- uint32_t *priority,
- struct GNUNET_TIME_Absolute *expirationTime,
- void **client_info)
+fip_signal_start (void *cls,
+ struct GNUNET_FS_FileInformation *fi,
+ uint64_t length,
+ struct GNUNET_CONTAINER_MetaData *meta,
+ struct GNUNET_FS_Uri **uri,
+ struct GNUNET_FS_BlockOptions *bo,
+ int *do_index,
+ void **client_info)
{
- struct GNUNET_FS_PublishContext *sc = cls;
+ struct GNUNET_FS_PublishContext *pc = cls;
struct GNUNET_FS_ProgressInfo pi;
-
+ unsigned int kc;
+ uint64_t left;
+
+ if (GNUNET_YES == pc->skip_next_fi_callback)
+ {
+ pc->skip_next_fi_callback = GNUNET_NO;
+ return GNUNET_OK;
+ }
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "Starting publish operation\n");
+ if (*do_index)
+ {
+ /* space for on-demand blocks */
+ pc->reserve_space +=
+ ((length + DBLOCK_SIZE -
+ 1) / DBLOCK_SIZE) * sizeof (struct OnDemandBlock);
+ }
+ else
+ {
+ /* space for DBlocks */
+ pc->reserve_space += length;
+ }
+ /* entries for IBlocks and DBlocks, space for IBlocks */
+ left = length;
+ while (1)
+ {
+ left = (left + DBLOCK_SIZE - 1) / DBLOCK_SIZE;
+ pc->reserve_entries += left;
+ if (left <= 1)
+ break;
+ left = left * sizeof (struct ContentHashKey);
+ pc->reserve_space += left;
+ }
+ pc->reserve_entries++;
+ /* entries and space for keywords */
+ if (NULL != *uri)
+ {
+ kc = GNUNET_FS_uri_ksk_get_keyword_count (*uri);
+ pc->reserve_entries += kc;
+ pc->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, pc, fi, 0);
+ GNUNET_FS_file_information_sync_ (fi);
+ if ((fi->is_directory) && (fi->dir != NULL))
+ {
+ /* We are a directory, and we are not top-level; process entries in directory */
+ pc->skip_next_fi_callback = GNUNET_YES;
+ GNUNET_FS_file_information_inspect (fi, &fip_signal_start, pc);
+ }
return GNUNET_OK;
}
/**
- * Publish a file or directory.
+ * Actually signal the FS's progress function that we are suspending
+ * an upload.
*
- * @param h handle to the file sharing subsystem
- * @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
- * (can be NULL, must be NULL if namespace is NULL)
- * @param nuid update-identifier that will be used for future updates
- * (can be NULL, must be NULL if namespace or nid is NULL)
- * @param options options for the publication
- * @return context that can be used to control the publish operation
+ * @param fi the entry in the publish-structure
+ * @param pc the publish context of which a file is being suspended
*/
-struct GNUNET_FS_PublishContext *
-GNUNET_FS_publish_start (struct GNUNET_FS_Handle *h,
- struct GNUNET_FS_FileInformation *fi,
- struct GNUNET_FS_Namespace *namespace,
- const char *nid,
- const char *nuid,
- enum GNUNET_FS_PublishOptions options)
+static void
+suspend_operation (struct GNUNET_FS_FileInformation *fi,
+ struct GNUNET_FS_PublishContext *pc)
{
- struct GNUNET_FS_PublishContext *ret;
- struct GNUNET_DATASTORE_Handle *dsh;
-
- if (0 == (options & GNUNET_FS_PUBLISH_OPTION_SIMULATE_ONLY))
- {
- dsh = GNUNET_DATASTORE_connect (h->cfg,
- h->sched);
- if (NULL == dsh)
- return NULL;
- }
- else
- {
- dsh = NULL;
- }
- ret = GNUNET_malloc (sizeof (struct GNUNET_FS_PublishContext));
- ret->dsh = dsh;
- ret->h = h;
- ret->fi = fi;
- ret->namespace = namespace;
- if (namespace != NULL)
- {
- namespace->rc++;
- GNUNET_assert (NULL != nid);
- ret->nid = GNUNET_strdup (nid);
- 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;
+ struct GNUNET_FS_ProgressInfo pi;
+ uint64_t off;
- // FIXME: calculate space needed for "fi"
- // and reserve as first task (then trigger
- // "do_upload" from that continuation)!
- ret->upload_task
- = GNUNET_SCHEDULER_add_with_priority (h->sched,
- GNUNET_SCHEDULER_PRIORITY_BACKGROUND,
- &do_upload,
- ret);
- return ret;
+ if (NULL != pc->ksk_pc)
+ {
+ GNUNET_FS_publish_ksk_cancel (pc->ksk_pc);
+ pc->ksk_pc = NULL;
+ }
+ if (NULL != pc->sks_pc)
+ {
+ GNUNET_FS_publish_sks_cancel (pc->sks_pc);
+ pc->sks_pc = NULL;
+ }
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "Suspending publish operation\n");
+ GNUNET_free_non_null (fi->serialization);
+ fi->serialization = NULL;
+ off = (NULL == fi->chk_uri) ? 0 : (GNUNET_YES == fi->is_directory) ? fi->data.dir.dir_size : fi->data.file.file_size;
+ pi.status = GNUNET_FS_STATUS_PUBLISH_SUSPEND;
+ GNUNET_break (NULL == GNUNET_FS_publish_make_status_ (&pi, pc, fi, off));
+ 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;
+ }
+ pc->rid = 0;
}
/**
- * Signal the FS's progress function that we are stopping
- * an upload.
+ * Signal the FS's progress function that we are suspending
+ * an upload. Performs the recursion.
*
- * @param cls closure (of type "struct GNUNET_FS_PublishContext*")
+ * @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 bo block options
+ * @param do_index should we index?
* @param client_info pointer to client context set upon creation (can be modified)
- * @return GNUNET_OK to continue (always)
+ * @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,
- uint32_t *anonymity,
- uint32_t *priority,
- struct GNUNET_TIME_Absolute *expirationTime,
- void **client_info)
+fip_signal_suspend (void *cls,
+ struct GNUNET_FS_FileInformation *fi,
+ uint64_t length,
+ struct GNUNET_CONTAINER_MetaData *meta,
+ struct GNUNET_FS_Uri **uri,
+ struct GNUNET_FS_BlockOptions *bo,
+ int *do_index,
+ void **client_info)
{
- struct GNUNET_FS_PublishContext*sc = cls;
- struct GNUNET_FS_ProgressInfo pi;
- uint64_t off;
-
- 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));
+ struct GNUNET_FS_PublishContext *pc = cls;
+
+ if (GNUNET_YES == pc->skip_next_fi_callback)
+ {
+ pc->skip_next_fi_callback = GNUNET_NO;
+ return GNUNET_OK;
+ }
+ if (GNUNET_YES == GNUNET_FS_meta_data_test_for_directory (meta))
+ {
+ /* process entries in directory */
+ pc->skip_next_fi_callback = GNUNET_YES;
+ GNUNET_FS_file_information_inspect (fi, &fip_signal_suspend, pc);
+ }
+ suspend_operation (fi, pc);
*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!
+ * Create SUSPEND event for the given publish operation
+ * and then clean up our state (without stop signal).
*
- * @param sc context for the upload to stop
+ * @param cls the `struct GNUNET_FS_PublishContext` to signal for
*/
-void
-GNUNET_FS_publish_stop (struct GNUNET_FS_PublishContext *sc)
+void
+GNUNET_FS_publish_signal_suspend_ (void *cls)
{
- if (GNUNET_SCHEDULER_NO_TASK != sc->upload_task)
- GNUNET_SCHEDULER_cancel (sc->h->sched, sc->upload_task);
- else
- GNUNET_assert (sc->all_done == GNUNET_YES);
- // FIXME: remove from persistence DB (?) --- think more about
- // shutdown / persistent-resume APIs!!!
- GNUNET_FS_file_information_inspect (sc->fi,
- &fip_signal_stop,
- sc);
- if (GNUNET_YES == sc->in_network_wait)
- {
- sc->in_network_wait = GNUNET_SYSERR;
- return;
- }
- publish_cleanup (sc);
+ 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;
+ }
+ pc->skip_next_fi_callback = GNUNET_YES;
+ GNUNET_FS_file_information_inspect (pc->fi, &fip_signal_suspend, pc);
+ suspend_operation (pc->fi, pc);
+ GNUNET_FS_end_top (pc->h, pc->top);
+ pc->top = NULL;
+ publish_cleanup (pc);
}
/**
- * Context for the KSK publication.
- */
-struct PublishKskContext
-{
-
- /**
- * Keywords to use.
- */
- struct GNUNET_FS_Uri *ksk_uri;
-
- /**
- * Global FS context.
- */
- struct GNUNET_FS_Handle *h;
-
- /**
- * The master block that we are sending
- * (in plaintext), has "mdsize+slen" more
- * bytes than the struct would suggest.
- */
- struct KBlock *kb;
-
- /**
- * Buffer of the same size as "kb" for
- * the encrypted version.
- */
- struct KBlock *cpy;
-
- /**
- * Handle to the datastore, NULL if we are just
- * simulating.
- */
- struct GNUNET_DATASTORE_Handle *dsh;
-
- /**
- * Function to call once we're done.
- */
- GNUNET_FS_PublishContinuation cont;
-
- /**
- * Closure for cont.
- */
- void *cont_cls;
-
- /**
- * When should the KBlocks expire?
- */
- struct GNUNET_TIME_Absolute expirationTime;
-
- /**
- * Size of the serialized metadata.
- */
- ssize_t mdsize;
-
- /**
- * Size of the (CHK) URI as a string.
- */
- size_t slen;
-
- /**
- * Keyword that we are currently processing.
- */
- unsigned int i;
-
- /**
- * Anonymity level for the KBlocks.
- */
- uint32_t anonymity;
-
- /**
- * Priority for the KBlocks.
- */
- uint32_t priority;
-};
-
-
-/**
- * Continuation of "GNUNET_FS_publish_ksk" that performs
- * the actual publishing operation (iterating over all
- * of the keywords).
+ * We have gotten a reply for our space reservation request.
+ * Either fail (insufficient space) or start publishing for good.
*
- * @param cls closure of type "struct PublishKskContext*"
- * @param tc unused
+ * @param cls the `struct GNUNET_FS_PublishContext *`
+ * @param success positive reservation ID on success
+ * @param min_expiration minimum expiration time required for content to be stored
+ * @param msg error message on error, otherwise NULL
*/
static void
-publish_ksk_cont (void *cls,
- const struct GNUNET_SCHEDULER_TaskContext *tc);
-
-
-/**
- * Function called by the datastore API with
- * the result from the PUT request.
- *
- * @param cls closure of type "struct PublishKskContext*"
- * @param success GNUNET_OK on success
- * @param msg error message (or NULL)
- */
-static void
-kb_put_cont (void *cls,
- int success,
- const char *msg)
+finish_reserve (void *cls, int success,
+ struct GNUNET_TIME_Absolute min_expiration,
+ const char *msg)
{
- struct PublishKskContext *pkc = cls;
-
- if (GNUNET_OK != success)
- {
- GNUNET_DATASTORE_disconnect (pkc->dsh, GNUNET_NO);
- GNUNET_free (pkc->cpy);
- GNUNET_free (pkc->kb);
- pkc->cont (pkc->cont_cls,
- NULL,
- msg);
- GNUNET_FS_uri_destroy (pkc->ksk_uri);
- GNUNET_free (pkc);
- return;
- }
- GNUNET_SCHEDULER_add_continuation (pkc->h->sched,
- &publish_ksk_cont,
- pkc,
- GNUNET_SCHEDULER_REASON_PREREQ_DONE);
+ struct GNUNET_FS_PublishContext *pc = cls;
+
+ pc->qre = NULL;
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Reservation complete (%d)!\n", success);
+ 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;
+ GNUNET_assert (GNUNET_SCHEDULER_NO_TASK == pc->upload_task);
+ pc->upload_task =
+ GNUNET_SCHEDULER_add_with_priority (GNUNET_SCHEDULER_PRIORITY_BACKGROUND,
+ &GNUNET_FS_publish_main_, pc);
}
/**
- * Continuation of "GNUNET_FS_publish_ksk" that performs the actual
- * publishing operation (iterating over all of the keywords).
+ * Calculate the total size of all of the files in the directory structure.
*
- * @param cls closure of type "struct PublishKskContext*"
- * @param tc unused
+ * @param fi file structure to traverse
*/
-static void
-publish_ksk_cont (void *cls,
- const struct GNUNET_SCHEDULER_TaskContext *tc)
+static uint64_t
+compute_contents_size (struct GNUNET_FS_FileInformation *fi)
{
- struct PublishKskContext *pkc = cls;
- const char *keyword;
- GNUNET_HashCode key;
- GNUNET_HashCode query;
- struct GNUNET_CRYPTO_AesSessionKey skey;
- struct GNUNET_CRYPTO_AesInitializationVector iv;
- struct GNUNET_CRYPTO_RsaPrivateKey *pk;
-
-
- if ( (pkc->i == pkc->ksk_uri->data.ksk.keywordCount) ||
- (NULL == pkc->dsh) )
- {
- if (NULL != pkc->dsh)
- GNUNET_DATASTORE_disconnect (pkc->dsh, GNUNET_NO);
- GNUNET_free (pkc->cpy);
- GNUNET_free (pkc->kb);
- pkc->cont (pkc->cont_cls,
- pkc->ksk_uri,
- NULL);
- GNUNET_FS_uri_destroy (pkc->ksk_uri);
- GNUNET_free (pkc);
- return;
- }
- keyword = pkc->ksk_uri->data.ksk.keywords[pkc->i++];
- /* first character of keyword indicates if it is
- mandatory or not -- ignore for hashing */
- GNUNET_CRYPTO_hash (&keyword[1], strlen (&keyword[1]), &key);
- GNUNET_CRYPTO_hash_to_aes_key (&key, &skey, &iv);
- GNUNET_CRYPTO_aes_encrypt (&pkc->kb[1],
- pkc->slen + pkc->mdsize,
- &skey,
- &iv,
- &pkc->cpy[1]);
- pk = GNUNET_CRYPTO_rsa_key_create_from_hash (&key);
- GNUNET_CRYPTO_rsa_key_get_public (pk, &pkc->cpy->keyspace);
- GNUNET_CRYPTO_hash (&pkc->cpy->keyspace,
- sizeof (struct GNUNET_CRYPTO_RsaPublicKeyBinaryEncoded),
- &query);
- GNUNET_assert (GNUNET_OK ==
- GNUNET_CRYPTO_rsa_sign (pk,
- &pkc->cpy->purpose,
- &pkc->cpy->signature));
- GNUNET_CRYPTO_rsa_key_free (pk);
- GNUNET_DATASTORE_put (pkc->dsh,
- 0,
- &query,
- pkc->mdsize +
- sizeof (struct KBlock) +
- pkc->slen,
- pkc->cpy,
- GNUNET_DATASTORE_BLOCKTYPE_KBLOCK,
- pkc->priority,
- pkc->anonymity,
- pkc->expirationTime,
- GNUNET_CONSTANTS_SERVICE_TIMEOUT,
- &kb_put_cont,
- pkc);
+ struct GNUNET_FS_FileInformation *ent;
+
+ if (GNUNET_YES != fi->is_directory)
+ return fi->data.file.file_size;
+ fi->data.dir.contents_size = 0;
+ for (ent = fi->data.dir.entries; NULL != ent; ent = ent->next)
+ fi->data.dir.contents_size += compute_contents_size (ent);
+ return fi->data.dir.contents_size;
}
/**
- * Publish a CHK under various keywords on GNUnet.
+ * Publish a file or directory.
*
* @param h handle to the file sharing subsystem
- * @param ksk_uri keywords to use
- * @param meta metadata to use
- * @param uri URI to refer to in the KBlock
- * @param expirationTime when the KBlock expires
- * @param anonymity anonymity level for the KBlock
- * @param priority priority for the KBlock
- * @param options publication options
- * @param cont continuation
- * @param cont_cls closure for cont
+ * @param fi information about the file or directory structure to publish
+ * @param ns namespace to publish the file in, NULL for no namespace
+ * @param nid identifier to use for the publishd content in the namespace
+ * (can be NULL, must be NULL if namespace is NULL)
+ * @param nuid update-identifier that will be used for future updates
+ * (can be NULL, must be NULL if namespace or nid is NULL)
+ * @param options options for the publication
+ * @return context that can be used to control the publish operation
*/
-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,
- struct GNUNET_TIME_Absolute expirationTime,
- uint32_t anonymity,
- uint32_t priority,
- enum GNUNET_FS_PublishOptions options,
- GNUNET_FS_PublishContinuation cont,
- void *cont_cls)
+struct GNUNET_FS_PublishContext *
+GNUNET_FS_publish_start (struct GNUNET_FS_Handle *h,
+ struct GNUNET_FS_FileInformation *fi,
+ const struct GNUNET_CRYPTO_EcdsaPrivateKey *ns,
+ const char *nid,
+ const char *nuid,
+ enum GNUNET_FS_PublishOptions options)
{
- struct PublishKskContext *pkc;
- char *uris;
- size_t size;
- char *kbe;
- char *sptr;
-
- pkc = GNUNET_malloc (sizeof (struct PublishKskContext));
- pkc->h = h;
- pkc->expirationTime = expirationTime;
- pkc->anonymity = anonymity;
- pkc->priority = priority;
- pkc->cont = cont;
- pkc->cont_cls = cont_cls;
+ struct GNUNET_FS_PublishContext *ret;
+ struct GNUNET_DATASTORE_Handle *dsh;
+
+ GNUNET_assert (NULL != h);
+ compute_contents_size (fi);
if (0 == (options & GNUNET_FS_PUBLISH_OPTION_SIMULATE_ONLY))
- {
- pkc->dsh = GNUNET_DATASTORE_connect (h->cfg,
- h->sched);
- if (pkc->dsh == NULL)
- {
- cont (cont_cls, NULL, _("Could not connect to datastore."));
- GNUNET_free (pkc);
- return;
- }
- }
- if (meta == NULL)
- pkc->mdsize = 0;
+ {
+ dsh = GNUNET_DATASTORE_connect (h->cfg);
+ if (NULL == dsh)
+ return NULL;
+ }
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;
- size = pkc->mdsize + sizeof (struct KBlock) + pkc->slen;
- if (size > MAX_KBLOCK_SIZE)
- {
- size = MAX_KBLOCK_SIZE;
- pkc->mdsize = size - sizeof (struct KBlock) - pkc->slen;
- }
- pkc->kb = GNUNET_malloc (size);
- kbe = (char *) &pkc->kb[1];
- memcpy (kbe, uris, pkc->slen);
- GNUNET_free (uris);
- 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 (pkc->kb);
- if (pkc->dsh != NULL)
- GNUNET_DATASTORE_disconnect (pkc->dsh, GNUNET_NO);
- cont (cont_cls, NULL, _("Internal error."));
- GNUNET_free (pkc);
- return;
- }
- size = sizeof (struct KBlock) + pkc->slen + pkc->mdsize;
-
- pkc->cpy = GNUNET_malloc (size);
- pkc->cpy->purpose.size = htonl (sizeof (struct GNUNET_CRYPTO_RsaSignaturePurpose) +
- sizeof(struct GNUNET_CRYPTO_RsaPublicKeyBinaryEncoded) +
- pkc->mdsize +
- 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,
- &publish_ksk_cont,
- pkc,
- GNUNET_SCHEDULER_REASON_PREREQ_DONE);
+ {
+ dsh = NULL;
+ }
+ ret = GNUNET_new (struct GNUNET_FS_PublishContext);
+ ret->dsh = dsh;
+ ret->h = h;
+ ret->fi = fi;
+ if (NULL != ns)
+ {
+ ret->ns = GNUNET_new (struct GNUNET_CRYPTO_EcdsaPrivateKey);
+ *ret->ns = *ns;
+ GNUNET_assert (NULL != nid);
+ ret->nid = GNUNET_strdup (nid);
+ if (NULL != nuid)
+ ret->nuid = GNUNET_strdup (nuid);
+ }
+ ret->options = options;
+ /* signal start */
+ GNUNET_FS_file_information_inspect (ret->fi, &fip_signal_start, ret);
+ ret->fi_pos = ret->fi;
+ ret->top = GNUNET_FS_make_top (h, &GNUNET_FS_publish_signal_suspend_, ret);
+ GNUNET_FS_publish_sync_ (ret);
+ if (NULL != ret->dsh)
+ {
+ GNUNET_assert (NULL == ret->qre);
+ 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
+ {
+ GNUNET_assert (GNUNET_SCHEDULER_NO_TASK == ret->upload_task);
+ ret->upload_task =
+ GNUNET_SCHEDULER_add_with_priority
+ (GNUNET_SCHEDULER_PRIORITY_BACKGROUND, &GNUNET_FS_publish_main_, ret);
+ }
+ return ret;
}
/**
- * 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.
+ * Signal the FS's progress function that we are stopping
+ * an upload.
*
- * @param cls closure of type "struct PublishSksContext*"
- * @param success GNUNET_OK on success
- * @param msg error message (or NULL)
+ * @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 bo block options (can be modified)
+ * @param do_index should we index?
+ * @param client_info pointer to client context set upon creation (can be modified)
+ * @return #GNUNET_OK to continue (always)
*/
-static void
-sb_put_cont (void *cls,
- int success,
- const char *msg)
+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, struct GNUNET_FS_BlockOptions *bo,
+ int *do_index, void **client_info)
{
- 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);
+ struct GNUNET_FS_PublishContext *pc = cls;
+ struct GNUNET_FS_ProgressInfo pi;
+ uint64_t off;
+
+ if (GNUNET_YES == pc->skip_next_fi_callback)
+ {
+ pc->skip_next_fi_callback = GNUNET_NO;
+ return GNUNET_OK;
+ }
+ if (GNUNET_YES == GNUNET_FS_meta_data_test_for_directory (meta))
+ {
+ /* process entries in directory first */
+ pc->skip_next_fi_callback = GNUNET_YES;
+ GNUNET_FS_file_information_inspect (fi, &fip_signal_stop, pc);
+ }
+ if (fi->serialization != NULL)
+ {
+ GNUNET_FS_remove_sync_file_ (pc->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;
+ GNUNET_break (NULL == GNUNET_FS_publish_make_status_ (&pi, pc, fi, off));
+ *client_info = NULL;
+ return GNUNET_OK;
}
/**
- * Publish an SBlock on GNUnet.
+ * 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 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
+ * @param pc context for the upload to stop
*/
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)
+GNUNET_FS_publish_stop (struct GNUNET_FS_PublishContext *pc)
{
- 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);
-
- 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]);
- 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);
- GNUNET_free (sb);
- 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);
- GNUNET_free (sb);
- sb_put_cont (psc,
- GNUNET_NO,
- _("Failed to connect to datastore."));
- return;
- }
+ struct GNUNET_FS_ProgressInfo pi;
+ uint64_t off;
- 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);
- GNUNET_free (sb_enc);
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Publish stop called\n");
+ GNUNET_FS_end_top (pc->h, pc->top);
+ if (NULL != pc->ksk_pc)
+ {
+ GNUNET_FS_publish_ksk_cancel (pc->ksk_pc);
+ pc->ksk_pc = NULL;
+ }
+ if (NULL != pc->sks_pc)
+ {
+ GNUNET_FS_publish_sks_cancel (pc->sks_pc);
+ pc->sks_pc = NULL;
+ }
+ if (GNUNET_SCHEDULER_NO_TASK != pc->upload_task)
+ {
+ GNUNET_SCHEDULER_cancel (pc->upload_task);
+ pc->upload_task = GNUNET_SCHEDULER_NO_TASK;
+ }
+ pc->skip_next_fi_callback = GNUNET_YES;
+ GNUNET_FS_file_information_inspect (pc->fi, &fip_signal_stop, pc);
+
+ if (pc->fi->serialization != NULL)
+ {
+ GNUNET_FS_remove_sync_file_ (pc->h, GNUNET_FS_SYNC_PATH_FILE_INFO,
+ pc->fi->serialization);
+ GNUNET_free (pc->fi->serialization);
+ pc->fi->serialization = NULL;
+ }
+ off = (pc->fi->chk_uri == NULL) ? 0 : GNUNET_ntohll (pc->fi->chk_uri->data.chk.file_length);
+
+ 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;
+ }
+ if (NULL != pc->qre)
+ {
+ GNUNET_DATASTORE_cancel (pc->qre);
+ pc->qre = NULL;
+ }
+ pi.status = GNUNET_FS_STATUS_PUBLISH_STOPPED;
+ GNUNET_break (NULL == GNUNET_FS_publish_make_status_ (&pi, pc, pc->fi, off));
+ publish_cleanup (pc);
}
+
/* end of fs_publish.c */