/*
This file is part of GNUnet.
- (C) 2001, 2002, 2003, 2004, 2005, 2006, 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
*/
#include "platform.h"
+#include "gnunet_constants.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_YES
+/**
+ * Fill in all of the generic fields for
+ * a publish event and call the callback.
+ *
+ * @param pi structure to fill in
+ * @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
+ */
+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.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->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->bo.anonymity_level;
+ return pc->h->upcb (pc->h->upcb_cls, pi);
+}
-#if 0
+/**
+ * Cleanup the publish context, we're done with it.
+ *
+ * @param pc struct to clean up
+ */
+static void
+publish_cleanup (struct GNUNET_FS_PublishContext *pc)
+{
+ 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);
+ if (pc->namespace != NULL)
+ {
+ GNUNET_FS_namespace_delete (pc->namespace, GNUNET_NO);
+ pc->namespace = 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);
+}
+
/**
- * Append the given key and query to the iblock[level]. If
- * iblock[level] is already full, compute its chk and push it to
- * level+1 and clear the level. iblocks is guaranteed to be big
- * enough.
+ * Function called by the datastore API with
+ * the result from the PUT request.
+ *
+ * @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 int
-pushBlock (struct GNUNET_ClientServerConnection *sock,
- const GNUNET_EC_ContentHashKey * chk,
- unsigned int level,
- GNUNET_DatastoreValue ** iblocks,
- unsigned int prio, GNUNET_CronTime expirationTime)
+static void
+ds_put_cont (void *cls, int success,
+ struct GNUNET_TIME_Absolute min_expiration,
+ const char *msg)
{
- unsigned int size;
- unsigned int present;
- GNUNET_DatastoreValue *value;
- GNUNET_EC_DBlock *db;
- GNUNET_EC_ContentHashKey ichk;
-
- size = ntohl (iblocks[level]->size);
- GNUNET_GE_ASSERT (NULL, size > sizeof (GNUNET_DatastoreValue));
- size -= sizeof (GNUNET_DatastoreValue);
- GNUNET_GE_ASSERT (NULL,
- size - sizeof (GNUNET_EC_DBlock) <=
- GNUNET_ECRS_IBLOCK_SIZE);
- present =
- (size - sizeof (GNUNET_EC_DBlock)) / sizeof (GNUNET_EC_ContentHashKey);
- db = (GNUNET_EC_DBlock *) & iblocks[level][1];
- if (present == GNUNET_ECRS_CHK_PER_INODE)
+ struct GNUNET_FS_PublishContext *pc = cls;
+ struct GNUNET_FS_ProgressInfo pi;
+
+ 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))
{
- GNUNET_EC_file_block_get_key (db, size, &ichk.key);
- GNUNET_EC_file_block_get_query (db, size, &ichk.query);
- if (GNUNET_OK != pushBlock (sock,
- &ichk, level + 1, iblocks, prio,
- expirationTime))
- return GNUNET_SYSERR;
- GNUNET_EC_file_block_encode (db, size, &ichk.query, &value);
- if (value == NULL)
+ /* run unindex to clean up */
+ GNUNET_FS_unindex_start (pc->h, pc->fi_pos->filename, NULL);
+ }
+ }
+ 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);
+}
+
+
+/**
+ * Generate the callback that signals clients
+ * that a file (or directory) has been completely
+ * published.
+ *
+ * @param p the completed upload
+ * @param pc context of the publication
+ */
+static void
+signal_publish_completion (struct GNUNET_FS_FileInformation *p,
+ struct GNUNET_FS_PublishContext *pc)
+{
+ struct GNUNET_FS_ProgressInfo pi;
+
+ pi.status = GNUNET_FS_STATUS_PUBLISH_COMPLETED;
+ pi.value.publish.eta = GNUNET_TIME_UNIT_ZERO;
+ pi.value.publish.specifics.completed.chk_uri = p->chk_uri;
+ p->client_info =
+ GNUNET_FS_publish_make_status_ (&pi, pc, p,
+ GNUNET_ntohll (p->chk_uri->data.
+ chk.file_length));
+}
+
+
+/**
+ * Generate the callback that signals clients
+ * that a file (or directory) has encountered
+ * a problem during publication.
+ *
+ * @param p the upload that had trouble
+ * @param pc context of the publication
+ * @param emsg error message
+ */
+static void
+signal_publish_error (struct GNUNET_FS_FileInformation *p,
+ 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;
+ pi.value.publish.eta = GNUNET_TIME_UNIT_FOREVER_REL;
+ 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);
+}
+
+
+/**
+ * We've finished publishing the SBlock as part of a larger upload.
+ * Check the result and complete the larger upload.
+ *
+ * @param cls the "struct GNUNET_FS_PublishContext*" of the larger upload
+ * @param uri URI of the published SBlock
+ * @param emsg NULL on success, otherwise error message
+ */
+static void
+publish_sblocks_cont (void *cls, const struct GNUNET_FS_Uri *uri,
+ const char *emsg)
+{
+ struct GNUNET_FS_PublishContext *pc = cls;
+
+ pc->sks_pc = NULL;
+ if (NULL != emsg)
+ {
+ 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 pc overall upload data
+ */
+static void
+publish_sblock (struct GNUNET_FS_PublishContext *pc)
+{
+ if (NULL != pc->namespace)
+ pc->sks_pc = GNUNET_FS_publish_sks (pc->h, pc->namespace, pc->nid, pc->nuid,
+ pc->fi->meta, pc->fi->chk_uri, &pc->fi->bo,
+ pc->options, &publish_sblocks_cont, pc);
+ else
+ 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.
+ *
+ * @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)
+{
+ struct GNUNET_FS_PublishContext *pc = cls;
+ struct GNUNET_FS_FileInformation *p = pc->fi_pos;
+
+ pc->ksk_pc = NULL;
+ if (NULL != emsg)
+ {
+ 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, pc);
+ /* move on to next file */
+ if (NULL != p->next)
+ pc->fi_pos = p->next;
+ else
+ 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);
+}
+
+
+/**
+ * Function called by the tree encoder to obtain
+ * a block of plaintext data (for the lowest level
+ * of the tree).
+ *
+ * @param cls our publishing context
+ * @param offset identifies which block to get
+ * @param max (maximum) number of bytes to get; returning
+ * fewer will also cause errors
+ * @param buf where to copy the plaintext buffer
+ * @param emsg location to store an error message (on error)
+ * @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)
+{
+ struct GNUNET_FS_PublishContext *pc = cls;
+ struct GNUNET_FS_FileInformation *p;
+ size_t pt_size;
+ const char *dd;
+
+ p = pc->fi_pos;
+ if (p->is_directory == GNUNET_YES)
+ {
+ 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)
+ return p->data.file.reader (p->data.file.reader_cls, offset, 0, NULL, NULL);
+ 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;
+ }
+ return pt_size;
+}
+
+
+/**
+ * The tree encoder has finished processing a
+ * file. Call it's finish method and deal with
+ * the final result.
+ *
+ * @param cls our publishing context
+ * @param tc scheduler's task context (not used)
+ */
+static void
+encode_cont (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
+{
+ struct GNUNET_FS_PublishContext *pc = cls;
+ struct GNUNET_FS_FileInformation *p;
+ struct GNUNET_FS_ProgressInfo pi;
+ char *emsg;
+ uint64_t flen;
+
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Finished with tree encoder\n");
+ p = pc->fi_pos;
+ GNUNET_FS_tree_encoder_finish (p->te, &p->chk_uri, &emsg);
+ p->te = NULL;
+ if (NULL != emsg)
+ {
+ 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);
+ }
+ GNUNET_FS_file_information_sync_ (p);
+ /* 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".
+ *
+ * @param cls closure
+ * @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)
+ */
+static void
+block_proc (void *cls, 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 *pc = cls;
+ struct GNUNET_FS_FileInformation *p;
+ struct OnDemandBlock odb;
+
+ 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 ((p->is_directory != GNUNET_YES) && (GNUNET_YES == p->data.file.do_index) &&
+ (type == GNUNET_BLOCK_TYPE_FS_DBLOCK))
+ {
+ 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 (&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);
+}
+
+
+/**
+ * Function called with information about our
+ * progress in computing the tree encoding.
+ *
+ * @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, 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 *pc = cls;
+ struct GNUNET_FS_FileInformation *p;
+ struct GNUNET_FS_ProgressInfo pi;
+
+ p = pc->fi_pos;
+ pi.status = GNUNET_FS_STATUS_PUBLISH_PROGRESS;
+ 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 = GNUNET_FS_publish_make_status_ (&pi, pc, p, offset);
+}
+
+
+/**
+ * We are uploading a file or directory; load (if necessary) the next
+ * block into memory, encrypt it and send it to the FS service. Then
+ * continue with the main task.
+ *
+ * @param pc overall upload data
+ */
+static void
+publish_content (struct GNUNET_FS_PublishContext *pc)
+{
+ struct GNUNET_FS_FileInformation *p;
+ char *emsg;
+ struct GNUNET_FS_DirectoryBuilder *db;
+ struct GNUNET_FS_FileInformation *dirpos;
+ void *raw_data;
+ uint64_t size;
+
+ p = pc->fi_pos;
+ GNUNET_assert (p != NULL);
+ if (NULL == p->te)
+ {
+ if (p->is_directory == GNUNET_YES)
+ {
+ 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 (dirpos->is_directory == GNUNET_YES)
{
- GNUNET_GE_BREAK (NULL, 0);
- return GNUNET_SYSERR;
+ raw_data = dirpos->data.dir.dir_data;
+ dirpos->data.dir.dir_data = NULL;
}
- value->priority = htonl (prio);
- value->expiration_time = GNUNET_htonll (expirationTime);
- if (GNUNET_OK != GNUNET_FS_insert (sock, value))
+ else
{
- GNUNET_free (value);
- return GNUNET_SYSERR;
+ 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_free (value);
- size = sizeof (GNUNET_EC_DBlock); /* type */
+ 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);
}
- /* append GNUNET_EC_ContentHashKey */
- memcpy (&((char *) db)[size], chk, sizeof (GNUNET_EC_ContentHashKey));
- size += sizeof (GNUNET_EC_ContentHashKey) + sizeof (GNUNET_DatastoreValue);
- GNUNET_GE_ASSERT (NULL, size < GNUNET_MAX_BUFFER_SIZE);
- iblocks[level]->size = htonl (size);
+ size = (p->is_directory == GNUNET_YES) ? 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);
- return GNUNET_OK;
+ }
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Processing next block from tree\n");
+ GNUNET_FS_tree_encoder_next (p->te);
}
+
/**
- * Index or insert a file.
+ * Process the response (or lack thereof) from
+ * the "fs" service to our 'start index' request.
*
- * @param priority what is the priority for OUR node to
- * keep this file available? Use 0 for maximum anonymity and
- * minimum reliability...
- * @param doIndex GNUNET_YES for index, GNUNET_NO for insertion,
- * GNUNET_SYSERR for simulation
- * @param uri set to the URI of the uploaded file
- * @return GNUNET_SYSERR if the upload failed (i.e. not enough space
- * or gnunetd not running)
+ * @param cls closure (of type "struct GNUNET_FS_PublishContext*"_)
+ * @param msg the response we got
*/
-int
-GNUNET_ECRS_file_upload (struct GNUNET_GE_Context *ectx,
- struct GNUNET_GC_Configuration *cfg,
- const char *filename,
- int doIndex,
- unsigned int anonymityLevel,
- unsigned int priority,
- GNUNET_CronTime expirationTime,
- GNUNET_ECRS_UploadProgressCallback upcb,
- void *upcbClosure,
- GNUNET_ECRS_TestTerminate tt,
- void *ttClosure, struct GNUNET_ECRS_URI **uri)
+static void
+process_index_start_response (void *cls, const struct GNUNET_MessageHeader *msg)
{
- unsigned long long filesize;
- unsigned long long pos;
- unsigned int treedepth;
- int fd;
- int i;
- int ret;
- unsigned int size;
- GNUNET_DatastoreValue **iblocks;
- GNUNET_DatastoreValue *dblock;
- GNUNET_EC_DBlock *db;
- GNUNET_DatastoreValue *value;
- struct GNUNET_ClientServerConnection *sock;
- GNUNET_HashCode fileId;
- GNUNET_EC_ContentHashKey mchk;
- GNUNET_CronTime eta;
- GNUNET_CronTime start;
- GNUNET_CronTime now;
- GNUNET_EC_FileIdentifier fid;
-#if DEBUG_UPLOAD
- GNUNET_EncName enc;
-#endif
-
- GNUNET_GE_ASSERT (ectx, cfg != NULL);
- start = GNUNET_get_time ();
- memset (&mchk, 0, sizeof (GNUNET_EC_ContentHashKey));
- if (GNUNET_YES != GNUNET_disk_file_test (ectx, filename))
- {
- GNUNET_GE_LOG (ectx,
- GNUNET_GE_ERROR | GNUNET_GE_BULK | GNUNET_GE_USER,
- _("`%s' is not a file.\n"), filename);
- return GNUNET_SYSERR;
- }
- if (GNUNET_OK !=
- GNUNET_disk_file_size (ectx, filename, &filesize, GNUNET_YES))
- {
- GNUNET_GE_LOG (ectx,
- GNUNET_GE_ERROR | GNUNET_GE_BULK | GNUNET_GE_USER,
- _("Cannot get size of file `%s'"), filename);
+ struct GNUNET_FS_PublishContext *pc = cls;
+ struct GNUNET_FS_FileInformation *p;
+ const char *emsg;
+ uint16_t msize;
- return GNUNET_SYSERR;
- }
- sock = GNUNET_client_connection_create (ectx, cfg);
- if (sock == NULL)
+ GNUNET_CLIENT_disconnect (pc->client);
+ pc->client = NULL;
+ p = pc->fi_pos;
+ if (msg == NULL)
+ {
+ 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->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 */
+ GNUNET_FS_file_information_sync_ (p);
+ publish_content (pc);
+}
+
+
+/**
+ * Function called once the hash computation over an
+ * indexed file has completed.
+ *
+ * @param cls closure, our publishing context
+ * @param res resulting hash, NULL on error
+ */
+static void
+hash_for_index_cb (void *cls, const struct GNUNET_HashCode * res)
+{
+ struct GNUNET_FS_PublishContext *pc = cls;
+ struct GNUNET_FS_FileInformation *p;
+ struct IndexStartMessage *ism;
+ size_t slen;
+ struct GNUNET_CLIENT_Connection *client;
+ uint64_t dev;
+ uint64_t ino;
+ char *fn;
+
+ 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 (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->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_DEBUG,
+ _("Failed to get file identifiers for `%s'\n"), p->filename);
+ }
+ ism->file_id = *res;
+ 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,
+ pc));
+ GNUNET_free (ism);
+}
+
+
+/**
+ * Main function that performs the upload.
+ *
+ * @param cls "struct GNUNET_FS_PublishContext" identifies the upload
+ * @param tc task context
+ */
+void
+GNUNET_FS_publish_main_ (void *cls,
+ const struct GNUNET_SCHEDULER_TaskContext *tc)
+{
+ struct GNUNET_FS_PublishContext *pc = cls;
+ struct GNUNET_FS_ProgressInfo pi;
+ struct GNUNET_FS_FileInformation *p;
+ struct GNUNET_FS_Uri *loc;
+ char *fn;
+
+ pc->upload_task = GNUNET_SCHEDULER_NO_TASK;
+ p = pc->fi_pos;
+ if (NULL == p)
+ {
+ 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 == GNUNET_YES) && (NULL != p->data.dir.entries) && (NULL == p->emsg)
+ && (NULL == p->data.dir.entries->chk_uri))
+ {
+ 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)
{
- GNUNET_GE_LOG (ectx,
- GNUNET_GE_ERROR | GNUNET_GE_BULK | GNUNET_GE_USER,
- _("Failed to connect to gnunetd."));
- return GNUNET_SYSERR;
+ 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);
}
- eta = 0;
- if (upcb != NULL)
- upcb (filesize, 0, eta, upcbClosure);
- if (doIndex == GNUNET_YES)
+ 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)
{
- if (GNUNET_SYSERR == GNUNET_hash_file (ectx, filename, &fileId))
- {
- GNUNET_GE_LOG (ectx,
- GNUNET_GE_ERROR | GNUNET_GE_BULK | GNUNET_GE_USER,
- _("Cannot hash `%s'.\n"), filename);
-
- GNUNET_client_connection_destroy (sock);
- return GNUNET_SYSERR;
- }
- if (GNUNET_YES == GNUNET_FS_test_indexed (sock, &fileId))
- {
- /* file already indexed; simulate only to get the URI! */
- doIndex = GNUNET_SYSERR;
- }
+ /* 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;
}
- if (doIndex == GNUNET_YES)
+ GNUNET_FS_publish_sync_ (pc);
+ /* upload of "p" complete, publish KBlocks! */
+ if (p->keywords != NULL)
{
- now = GNUNET_get_time ();
- eta = now + 2 * (now - start);
- /* very rough estimate: GNUNET_hash reads once through the file,
- we'll do that once more and write it. But of course
- the second read may be cached, and we have the encryption,
- so a factor of two is really, really just a rough estimate */
- start = now;
- /* reset the counter since the formula later does not
- take the time for GNUNET_hash_file into account */
-
- switch (GNUNET_FS_prepare_to_index (sock, &fileId, filename))
- {
- case GNUNET_SYSERR:
- GNUNET_GE_LOG (ectx,
- GNUNET_GE_ERROR | GNUNET_GE_BULK | GNUNET_GE_USER,
- _("Initialization for indexing file `%s' failed.\n"),
- filename);
- GNUNET_client_connection_destroy (sock);
- return GNUNET_SYSERR;
- case GNUNET_NO:
- GNUNET_GE_LOG (ectx,
- GNUNET_GE_ERROR | GNUNET_GE_BULK | GNUNET_GE_USER,
- _
- ("Indexing file `%s' failed. Suggestion: try to insert the file.\n"),
- filename);
- GNUNET_client_connection_destroy (sock);
- return GNUNET_SYSERR;
- default:
- break;
- }
+ pc->ksk_pc = GNUNET_FS_publish_ksk (pc->h, p->keywords, p->meta, p->chk_uri, &p->bo,
+ pc->options, &publish_kblocks_cont, pc);
}
- treedepth = GNUNET_ECRS_compute_depth (filesize);
- fd = GNUNET_disk_file_open (ectx, filename, O_RDONLY | O_LARGEFILE);
- if (fd == -1)
+ else
{
- GNUNET_GE_LOG (ectx,
- GNUNET_GE_ERROR | GNUNET_GE_BULK | GNUNET_GE_USER,
- _("Cannot open file `%s': `%s'"), filename,
- STRERROR (errno));
-
- GNUNET_client_connection_destroy (sock);
- return GNUNET_SYSERR;
+ publish_kblocks_cont (pc, p->chk_uri, NULL);
}
-
- dblock =
- GNUNET_malloc (sizeof (GNUNET_DatastoreValue) + GNUNET_ECRS_DBLOCK_SIZE +
- sizeof (GNUNET_EC_DBlock));
- dblock->size =
- htonl (sizeof (GNUNET_DatastoreValue) + GNUNET_ECRS_DBLOCK_SIZE +
- sizeof (GNUNET_EC_DBlock));
- dblock->anonymity_level = htonl (anonymityLevel);
- dblock->priority = htonl (priority);
- dblock->type = htonl (GNUNET_ECRS_BLOCKTYPE_DATA);
- dblock->expiration_time = GNUNET_htonll (expirationTime);
- db = (GNUNET_EC_DBlock *) & dblock[1];
- db->type = htonl (GNUNET_ECRS_BLOCKTYPE_DATA);
- iblocks =
- GNUNET_malloc (sizeof (GNUNET_DatastoreValue *) * (treedepth + 1));
- for (i = 0; i <= treedepth; i++)
+ return;
+ }
+ if ((p->is_directory != GNUNET_YES) && (p->data.file.do_index))
+ {
+ if (NULL == p->filename)
{
- iblocks[i] =
- GNUNET_malloc (sizeof (GNUNET_DatastoreValue) +
- GNUNET_ECRS_IBLOCK_SIZE + sizeof (GNUNET_EC_DBlock));
- iblocks[i]->size =
- htonl (sizeof (GNUNET_DatastoreValue) + sizeof (GNUNET_EC_DBlock));
- iblocks[i]->anonymity_level = htonl (anonymityLevel);
- iblocks[i]->priority = htonl (priority);
- iblocks[i]->type = htonl (GNUNET_ECRS_BLOCKTYPE_DATA);
- iblocks[i]->expiration_time = GNUNET_htonll (expirationTime);
- ((GNUNET_EC_DBlock *) & iblocks[i][1])->type =
- htonl (GNUNET_ECRS_BLOCKTYPE_DATA);
+ 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;
}
-
- pos = 0;
- while (pos < filesize)
+ if (p->data.file.have_hash)
{
- if (upcb != NULL)
- upcb (filesize, pos, eta, upcbClosure);
- if (tt != NULL)
- if (GNUNET_OK != tt (ttClosure))
- goto FAILURE;
- size = GNUNET_ECRS_DBLOCK_SIZE;
- if (size > filesize - pos)
- {
- size = filesize - pos;
- memset (&db[1], 0, GNUNET_ECRS_DBLOCK_SIZE);
- }
- GNUNET_GE_ASSERT (ectx,
- sizeof (GNUNET_DatastoreValue) + size +
- sizeof (GNUNET_EC_DBlock) < GNUNET_MAX_BUFFER_SIZE);
- dblock->size =
- htonl (sizeof (GNUNET_DatastoreValue) + size +
- sizeof (GNUNET_EC_DBlock));
- if (size != READ (fd, &db[1], size))
- {
- GNUNET_GE_LOG_STRERROR_FILE (ectx,
- GNUNET_GE_ERROR | GNUNET_GE_BULK |
- GNUNET_GE_ADMIN | GNUNET_GE_USER,
- "READ", filename);
- goto FAILURE;
- }
- if (tt != NULL)
- if (GNUNET_OK != tt (ttClosure))
- goto FAILURE;
- GNUNET_EC_file_block_get_key (db, size + sizeof (GNUNET_EC_DBlock),
- &mchk.key);
- GNUNET_EC_file_block_get_query (db, size + sizeof (GNUNET_EC_DBlock),
- &mchk.query);
-#if DEBUG_UPLOAD
- GNUNET_hash_to_enc (&mchk.query, &enc);
- fprintf (stderr,
- "Query for current block of size %u is `%s'\n", size,
- (const char *) &enc);
-#endif
- if (doIndex == GNUNET_YES)
- {
- if (GNUNET_SYSERR == GNUNET_FS_index (sock, &fileId, dblock, pos))
- {
- GNUNET_GE_LOG (ectx,
- GNUNET_GE_ERROR | GNUNET_GE_BULK |
- GNUNET_GE_USER,
- _
- ("Indexing data of file `%s' failed at position %llu.\n"),
- filename, pos);
- goto FAILURE;
- }
- }
- else
- {
- value = NULL;
- if (GNUNET_OK !=
- GNUNET_EC_file_block_encode (db,
- size + sizeof (GNUNET_EC_DBlock),
- &mchk.query, &value))
- {
- GNUNET_GE_BREAK (ectx, 0);
- goto FAILURE;
- }
- GNUNET_GE_ASSERT (ectx, value != NULL);
- *value = *dblock; /* copy options! */
- if ((doIndex == GNUNET_NO) &&
- (GNUNET_OK != (ret = GNUNET_FS_insert (sock, value))))
- {
- GNUNET_GE_BREAK (ectx, ret == GNUNET_NO);
- GNUNET_free (value);
- goto FAILURE;
- }
- GNUNET_free (value);
- }
- pos += size;
- now = GNUNET_get_time ();
- if (pos > 0)
- {
- eta = (GNUNET_CronTime) (start +
- (((double) (now - start) / (double) pos))
- * (double) filesize);
- }
- if (GNUNET_OK != pushBlock (sock, &mchk, 0, /* dblocks are on level 0 */
- iblocks, priority, expirationTime))
- goto FAILURE;
+ hash_for_index_cb (pc, &p->data.file.file_id);
}
- if (tt != NULL)
- if (GNUNET_OK != tt (ttClosure))
- goto FAILURE;
-#if DEBUG_UPLOAD
- GNUNET_GE_LOG (ectx,
- GNUNET_GE_DEBUG | GNUNET_GE_REQUEST | GNUNET_GE_USER,
- "Tree depth is %u, walking up tree.\n", treedepth);
-#endif
- for (i = 0; i < treedepth; i++)
+ else
{
- size = ntohl (iblocks[i]->size) - sizeof (GNUNET_DatastoreValue);
- GNUNET_GE_ASSERT (ectx, size < GNUNET_MAX_BUFFER_SIZE);
- if (size == sizeof (GNUNET_EC_DBlock))
- {
-#if DEBUG_UPLOAD
- GNUNET_GE_LOG (ectx,
- GNUNET_GE_DEBUG | GNUNET_GE_REQUEST | GNUNET_GE_USER,
- "Level %u is empty\n", i);
-#endif
- continue;
- }
- db = (GNUNET_EC_DBlock *) & iblocks[i][1];
- GNUNET_EC_file_block_get_key (db, size, &mchk.key);
-#if DEBUG_UPLOAD
- GNUNET_GE_LOG (ectx,
- GNUNET_GE_DEBUG | GNUNET_GE_REQUEST | GNUNET_GE_USER,
- "Computing query for %u bytes content.\n", size);
-#endif
- GNUNET_EC_file_block_get_query (db, size, &mchk.query);
-#if DEBUG_UPLOAD
- IF_GELOG (ectx,
- GNUNET_GE_DEBUG | GNUNET_GE_REQUEST | GNUNET_GE_USER,
- GNUNET_hash_to_enc (&mchk.query, &enc));
- GNUNET_GE_LOG (ectx,
- GNUNET_GE_DEBUG | GNUNET_GE_REQUEST | GNUNET_GE_USER,
- "Query for current block at level %u is `%s'.\n", i,
- &enc);
-#endif
- if (GNUNET_OK != pushBlock (sock,
- &mchk, i + 1, iblocks, priority,
- expirationTime))
- {
- GNUNET_GE_BREAK (ectx, 0);
- goto FAILURE;
- }
- GNUNET_EC_file_block_encode (db, size, &mchk.query, &value);
- if (value == NULL)
- {
- GNUNET_GE_BREAK (ectx, 0);
- goto FAILURE;
- }
- value->expiration_time = GNUNET_htonll (expirationTime);
- value->priority = htonl (priority);
- if ((doIndex != GNUNET_SYSERR) &&
- (GNUNET_SYSERR == GNUNET_FS_insert (sock, value)))
- {
- GNUNET_GE_BREAK (ectx, 0);
- GNUNET_free (value);
- goto FAILURE;
- }
- GNUNET_free (value);
- GNUNET_free (iblocks[i]);
- iblocks[i] = NULL;
+ 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);
}
-#if DEBUG_UPLOAD
- IF_GELOG (ectx,
- GNUNET_GE_DEBUG | GNUNET_GE_REQUEST | GNUNET_GE_USER,
- GNUNET_hash_to_enc (&mchk.query, &enc));
- GNUNET_GE_LOG (ectx, GNUNET_GE_DEBUG | GNUNET_GE_REQUEST | GNUNET_GE_USER,
- "Query for top block is %s\n", &enc);
-#endif
- /* build URI */
- fid.file_length = GNUNET_htonll (filesize);
- db = (GNUNET_EC_DBlock *) & iblocks[treedepth][1];
-
- fid.chk = *(GNUNET_EC_ContentHashKey *) & (db[1]);
- *uri = GNUNET_malloc (sizeof (URI));
- (*uri)->type = chk;
- (*uri)->data.fi = fid;
-
- /* free resources */
- GNUNET_free_non_null (iblocks[treedepth]);
- GNUNET_free (iblocks);
- GNUNET_free (dblock);
- if (upcb != NULL)
- upcb (filesize, filesize, eta, upcbClosure);
- CLOSE (fd);
- GNUNET_client_connection_destroy (sock);
+ 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 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
+ * @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 int
+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 *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;
+ *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;
+}
+
+
+/**
+ * Actually signal the FS's progress function that we are suspending
+ * an upload.
+ *
+ * @param fi the entry in the publish-structure
+ * @param pc the publish context of which a file is being suspended
+ */
+static void
+suspend_operation (struct GNUNET_FS_FileInformation *fi,
+ struct GNUNET_FS_PublishContext *pc)
+{
+ struct GNUNET_FS_ProgressInfo pi;
+ uint64_t off;
+
+ 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 = (fi->chk_uri == NULL) ? 0 : (fi->is_directory == GNUNET_YES) ? 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 suspending
+ * an upload. Performs the recursion.
+ *
+ * @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
+ * @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 int
+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 *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;
-FAILURE:
- for (i = 0; i <= treedepth; i++)
- GNUNET_free_non_null (iblocks[i]);
- GNUNET_free (iblocks);
- GNUNET_free (dblock);
- CLOSE (fd);
- GNUNET_client_connection_destroy (sock);
- return GNUNET_SYSERR;
}
-#endif
+
+/**
+ * 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;
+ }
+ 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);
+}
+
+
+/**
+ * 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 min_expiration minimum expiration time required for content to be stored
+ * @param msg error message on error, otherwise NULL
+ */
+static void
+finish_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, "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);
+}
+
+
+/**
+ * Publish a file or directory.
+ *
+ * @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
+ */
+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)
+{
+ 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);
+ 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;
+ ret->options = options;
+ if (namespace != NULL)
+ {
+ namespace->rc++;
+ GNUNET_assert (NULL != nid);
+ ret->nid = GNUNET_strdup (nid);
+ if (NULL != nuid)
+ ret->nuid = GNUNET_strdup (nuid);
+ }
+ /* 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;
+}
+
+
+/**
+ * Signal the FS's progress function that we are stopping
+ * an upload.
+ *
+ * @param cls closure (of type "struct GNUNET_FS_PublishContext*")
+ * @param fi the entry in the publish-structure
+ * @param length length of the file or directory
+ * @param meta metadata for the file or directory (can be modified)
+ * @param uri pointer to the keywords that will be used for this entry (can be modified)
+ * @param 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 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 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;
+}
+
+
+/**
+ * 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 pc context for the upload to stop
+ */
+void
+GNUNET_FS_publish_stop (struct GNUNET_FS_PublishContext *pc)
+{
+ struct GNUNET_FS_ProgressInfo pi;
+ uint64_t off;
+
+ 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 */
projects / oweals / gnunet.git / blobdiff