#include "gnunet_fs_service.h"
#include "fs_api.h"
-#define DEBUG_NAMESPACE GNUNET_EXTRA_LOGGING
-
/**
* Maximum legal size for an sblock.
*/
#define MAX_SBLOCK_SIZE (60 * 1024)
-/**
- * Maximum legal size for an nblock.
- */
-#define MAX_NBLOCK_SIZE (60 * 1024)
-
/**
* Return the name of the directory in which we store
GNUNET_CONFIGURATION_get_value_filename (h->cfg, "FS", "IDENTITY_DIR",
&dn))
{
- GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
- _("Configuration fails to specify `%s' in section `%s'\n"),
- "IDENTITY_DIR", "fs");
+ GNUNET_log_config_missing (GNUNET_ERROR_TYPE_ERROR,
+ "fs", "IDENTITY_DIR");
return NULL;
}
return dn;
GNUNET_CONFIGURATION_get_value_filename (ns->h->cfg, "FS", "UPDATE_DIR",
&dn))
{
- GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
- _("Configuration fails to specify `%s' in section `%s'\n"),
- "UPDATE_DIR", "fs");
+ GNUNET_log_config_missing (GNUNET_ERROR_TYPE_ERROR,
+ "fs", "UPDATE_DIR");
return NULL;
}
GNUNET_asprintf (&ret, "%s%s%s", dn, DIR_SEPARATOR_STR, ns->name);
fn = get_update_information_directory (ns);
wh = GNUNET_BIO_write_open (fn);
- if (wh == NULL)
+ if (NULL == wh)
{
GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
_("Failed to open `%s' for writing: %s\n"), STRERROR (errno));
return;
}
rh = GNUNET_BIO_read_open (fn);
- if (rh == NULL)
+ if (NULL == rh)
{
GNUNET_free (fn);
return;
GNUNET_break (0);
goto END;
}
- if (count == 0)
+ if (0 == count)
{
GNUNET_break (GNUNET_OK == GNUNET_BIO_read_close (rh, NULL));
GNUNET_free (fn);
}
-/**
- * Context for advertising a namespace.
- */
-struct AdvertisementContext
-{
- /**
- * Function to call with the result.
- */
- GNUNET_FS_PublishContinuation cont;
-
- /**
- * Closure for cont.
- */
- void *cont_cls;
-
- /**
- * Datastore handle.
- */
- struct GNUNET_DATASTORE_Handle *dsh;
-
- /**
- * Our KSK URI.
- */
- struct GNUNET_FS_Uri *ksk_uri;
-
- /**
- * Plaintext.
- */
- char *pt;
-
- /**
- * NBlock to sign and store.
- */
- struct NBlock *nb;
-
- /**
- * The namespace.
- */
- struct GNUNET_FS_Namespace *ns;
-
- /**
- * Block options.
- */
- struct GNUNET_FS_BlockOptions bo;
-
- /**
- * Number of bytes of plaintext.
- */
- size_t pt_size;
-
- /**
- * Current keyword offset.
- */
- unsigned int pos;
-};
-
-
-/**
- * Disconnect from the datastore.
- *
- * @param cls datastore handle
- * @param tc scheduler context
- */
-static void
-do_disconnect (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
-{
- struct GNUNET_DATASTORE_Handle *dsh = cls;
-
- GNUNET_DATASTORE_disconnect (dsh, GNUNET_NO);
-}
-
-
-/**
- * Continuation called to notify client about result of the
- * operation.
- *
- * @param cls closure (our struct AdvertismentContext)
- * @param success GNUNET_SYSERR on failure
- * @param min_expiration minimum expiration time required for content to be stored
- * @param msg NULL on success, otherwise an error message
- */
-static void
-advertisement_cont (void *cls, int success,
- struct GNUNET_TIME_Absolute min_expiration,
- const char *msg)
-{
- struct AdvertisementContext *ac = 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 (GNUNET_OK != success)
- {
- /* error! */
- GNUNET_SCHEDULER_add_continuation (&do_disconnect, ac->dsh,
- GNUNET_SCHEDULER_REASON_PREREQ_DONE);
- if (msg == NULL)
- {
- GNUNET_break (0);
- msg = _("Unknown error");
- }
- if (ac->cont != NULL)
- ac->cont (ac->cont_cls, NULL, msg);
- GNUNET_FS_uri_destroy (ac->ksk_uri);
- GNUNET_free (ac->pt);
- GNUNET_free (ac->nb);
- GNUNET_FS_namespace_delete (ac->ns, GNUNET_NO);
- GNUNET_free (ac);
- return;
- }
- if (ac->pos == ac->ksk_uri->data.ksk.keywordCount)
- {
- /* done! */
- GNUNET_SCHEDULER_add_continuation (&do_disconnect, ac->dsh,
- GNUNET_SCHEDULER_REASON_PREREQ_DONE);
- if (ac->cont != NULL)
- ac->cont (ac->cont_cls, ac->ksk_uri, NULL);
- GNUNET_FS_uri_destroy (ac->ksk_uri);
- GNUNET_free (ac->pt);
- GNUNET_free (ac->nb);
- GNUNET_FS_namespace_delete (ac->ns, GNUNET_NO);
- GNUNET_free (ac);
- return;
- }
- keyword = ac->ksk_uri->data.ksk.keywords[ac->pos++];
- /* 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 (ac->pt, ac->pt_size, &skey, &iv, &ac->nb[1]);
- GNUNET_break (GNUNET_OK ==
- GNUNET_CRYPTO_rsa_sign (ac->ns->key, &ac->nb->ns_purpose,
- &ac->nb->ns_signature));
- pk = GNUNET_CRYPTO_rsa_key_create_from_hash (&key);
- GNUNET_assert (pk != NULL);
- GNUNET_CRYPTO_rsa_key_get_public (pk, &ac->nb->keyspace);
- GNUNET_CRYPTO_hash (&ac->nb->keyspace,
- sizeof (struct GNUNET_CRYPTO_RsaPublicKeyBinaryEncoded),
- &query);
- GNUNET_break (GNUNET_OK ==
- GNUNET_CRYPTO_rsa_sign (pk, &ac->nb->ksk_purpose,
- &ac->nb->ksk_signature));
- GNUNET_CRYPTO_rsa_key_free (pk);
- GNUNET_DATASTORE_put (ac->dsh, 0 /* no reservation */ ,
- &query, ac->pt_size + sizeof (struct NBlock), ac->nb,
- GNUNET_BLOCK_TYPE_FS_NBLOCK, ac->bo.content_priority,
- ac->bo.anonymity_level, ac->bo.replication_level,
- ac->bo.expiration_time, -2, 1,
- GNUNET_CONSTANTS_SERVICE_TIMEOUT, &advertisement_cont,
- ac);
-}
-
-
-/**
- * Publish an advertismement for a namespace.
- *
- * @param h handle to the file sharing subsystem
- * @param ksk_uri keywords to use for advertisment
- * @param namespace handle for the namespace that should be advertised
- * @param meta meta-data for the namespace advertisement
- * @param bo block options
- * @param rootEntry name of the root of the namespace
- * @param cont continuation
- * @param cont_cls closure for cont
- */
-void
-GNUNET_FS_namespace_advertise (struct GNUNET_FS_Handle *h,
- struct GNUNET_FS_Uri *ksk_uri,
- struct GNUNET_FS_Namespace *namespace,
- const struct GNUNET_CONTAINER_MetaData *meta,
- const struct GNUNET_FS_BlockOptions *bo,
- const char *rootEntry,
- GNUNET_FS_PublishContinuation cont,
- void *cont_cls)
-{
- size_t reslen;
- size_t size;
- ssize_t mdsize;
- struct NBlock *nb;
- char *mdst;
- struct GNUNET_DATASTORE_Handle *dsh;
- struct AdvertisementContext *ctx;
- char *pt;
-
- /* create advertisements */
- mdsize = GNUNET_CONTAINER_meta_data_get_serialized_size (meta);
- if (-1 == mdsize)
- {
- cont (cont_cls, NULL, _("Failed to serialize meta data"));
- return;
- }
- reslen = strlen (rootEntry) + 1;
- size = mdsize + sizeof (struct NBlock) + reslen;
- if (size > MAX_NBLOCK_SIZE)
- {
- size = MAX_NBLOCK_SIZE;
- mdsize = size - sizeof (struct NBlock) - reslen;
- }
-
- pt = GNUNET_malloc (mdsize + reslen);
- memcpy (pt, rootEntry, reslen);
- mdst = &pt[reslen];
- mdsize =
- GNUNET_CONTAINER_meta_data_serialize (meta, &mdst, mdsize,
- GNUNET_CONTAINER_META_DATA_SERIALIZE_PART);
- if (mdsize == -1)
- {
- GNUNET_break (0);
- GNUNET_free (pt);
- cont (cont_cls, NULL, _("Failed to serialize meta data"));
- return;
- }
- size = mdsize + sizeof (struct NBlock) + reslen;
- nb = GNUNET_malloc (size);
- GNUNET_CRYPTO_rsa_key_get_public (namespace->key, &nb->subspace);
- nb->ns_purpose.size =
- htonl (mdsize + reslen +
- sizeof (struct GNUNET_CRYPTO_RsaSignaturePurpose) +
- sizeof (struct GNUNET_CRYPTO_RsaPublicKeyBinaryEncoded));
- nb->ns_purpose.purpose = htonl (GNUNET_SIGNATURE_PURPOSE_FS_NBLOCK);
- nb->ksk_purpose.size =
- htonl (size - sizeof (struct GNUNET_CRYPTO_RsaSignature));
- nb->ksk_purpose.purpose = htonl (GNUNET_SIGNATURE_PURPOSE_FS_NBLOCK_KSIG);
- dsh = GNUNET_DATASTORE_connect (h->cfg);
- if (NULL == dsh)
- {
- GNUNET_free (nb);
- GNUNET_free (pt);
- cont (cont_cls, NULL, _("Failed to connect to datastore service"));
- return;
- }
- ctx = GNUNET_malloc (sizeof (struct AdvertisementContext));
- ctx->cont = cont;
- ctx->cont_cls = cont_cls;
- ctx->dsh = dsh;
- ctx->ksk_uri = GNUNET_FS_uri_dup (ksk_uri);
- ctx->nb = nb;
- ctx->pt = pt;
- ctx->pt_size = mdsize + reslen;
- ctx->ns = namespace;
- ctx->ns->rc++;
- ctx->bo = *bo;
- advertisement_cont (ctx, GNUNET_OK, GNUNET_TIME_UNIT_ZERO_ABS, NULL);
-}
-
-
/**
* Create a namespace with the given name; if one already
* exists, return a handle to the existing namespace.
*
* @param h handle to the file sharing subsystem
* @param name name to use for the namespace
- * @return handle to the namespace, NULL on error
+ * @return handle to the namespace, NULL on error (i.e. invalid filename)
*/
struct GNUNET_FS_Namespace *
GNUNET_FS_namespace_create (struct GNUNET_FS_Handle *h, const char *name)
ret->h = h;
ret->rc = 1;
ret->key = GNUNET_CRYPTO_rsa_key_create_from_file (fn);
- if (ret->key == NULL)
+ if (NULL == ret->key)
{
GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
_("Failed to create or read private key for namespace `%s'\n"),
* memory) or also to freeze the namespace to prevent further
* insertions by anyone.
*
- * @param namespace handle to the namespace that should be deleted / freed
+ * @param ns handle to the namespace that should be deleted / freed
* @param freeze prevents future insertions; creating a namespace
* with the same name again will create a fresh namespace instead
*
* @return GNUNET_OK on success, GNUNET_SYSERR on error
*/
int
-GNUNET_FS_namespace_delete (struct GNUNET_FS_Namespace *namespace, int freeze)
+GNUNET_FS_namespace_delete (struct GNUNET_FS_Namespace *ns, int freeze)
{
unsigned int i;
struct NamespaceUpdateNode *nsn;
- namespace->rc--;
+ ns->rc--;
if (freeze)
{
- if (0 != UNLINK (namespace->filename))
+ if (0 != UNLINK (ns->filename))
GNUNET_log_strerror_file (GNUNET_ERROR_TYPE_ERROR, "unlink",
- namespace->filename);
+ ns->filename);
}
- if (0 == namespace->rc)
+ if (0 != ns->rc)
+ return GNUNET_OK;
+ GNUNET_CRYPTO_rsa_key_free (ns->key);
+ GNUNET_free (ns->filename);
+ GNUNET_free (ns->name);
+ for (i = 0; i < ns->update_node_count; i++)
{
- GNUNET_CRYPTO_rsa_key_free (namespace->key);
- GNUNET_free (namespace->filename);
- GNUNET_free (namespace->name);
- for (i = 0; i < namespace->update_node_count; i++)
- {
- nsn = namespace->update_nodes[i];
- GNUNET_CONTAINER_meta_data_destroy (nsn->md);
- GNUNET_FS_uri_destroy (nsn->uri);
- GNUNET_free (nsn->id);
- GNUNET_free (nsn->update);
- GNUNET_free (nsn);
- }
- GNUNET_array_grow (namespace->update_nodes, namespace->update_node_count,
- 0);
- if (namespace->update_map != NULL)
- GNUNET_CONTAINER_multihashmap_destroy (namespace->update_map);
- GNUNET_free (namespace);
- }
+ nsn = ns->update_nodes[i];
+ GNUNET_CONTAINER_meta_data_destroy (nsn->md);
+ GNUNET_FS_uri_destroy (nsn->uri);
+ GNUNET_free (nsn->id);
+ GNUNET_free (nsn->update);
+ GNUNET_free (nsn);
+ }
+ GNUNET_array_grow (ns->update_nodes, ns->update_node_count,
+ 0);
+ if (ns->update_map != NULL)
+ GNUNET_CONTAINER_multihashmap_destroy (ns->update_map);
+ GNUNET_free (ns);
return GNUNET_OK;
}
struct ProcessNamespaceContext *pnc = cls;
struct GNUNET_CRYPTO_RsaPrivateKey *key;
struct GNUNET_CRYPTO_RsaPublicKeyBinaryEncoded pk;
- GNUNET_HashCode id;
+ struct GNUNET_HashCode id;
const char *name;
const char *t;
key = GNUNET_CRYPTO_rsa_key_create_from_file (filename);
- if (key == NULL)
+ if (NULL == key)
{
GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
_
struct ProcessNamespaceContext ctx;
dn = get_namespace_directory (h);
- if (dn == NULL)
+ if (NULL == dn)
return;
ctx.cb = cb;
ctx.cb_cls = cb_cls;
}
-
-
/**
* Context for the SKS publication.
*/
-struct PublishSksContext
+struct GNUNET_FS_PublishSksContext
{
/**
/**
* Namespace we're publishing to.
*/
- struct GNUNET_FS_Namespace *namespace;
+ struct GNUNET_FS_Namespace *ns;
/**
* Handle to the datastore.
*/
void *cont_cls;
+ /**
+ * Handle for our datastore request.
+ */
+ struct GNUNET_DATASTORE_QueueEntry *dqe;
};
* Function called by the datastore API with
* the result from the PUT (SBlock) request.
*
- * @param cls closure of type "struct PublishSksContext*"
+ * @param cls closure of type "struct GNUNET_FS_PublishSksContext*"
* @param success GNUNET_OK on success
* @param min_expiration minimum expiration time required for content to be stored
* @param msg error message (or NULL)
struct GNUNET_TIME_Absolute min_expiration,
const char *msg)
{
- struct PublishSksContext *psc = cls;
- GNUNET_HashCode hc;
+ struct GNUNET_FS_PublishSksContext *psc = cls;
+ struct GNUNET_HashCode hc;
- if (NULL != psc->dsh)
- {
- GNUNET_DATASTORE_disconnect (psc->dsh, GNUNET_NO);
- psc->dsh = NULL;
- }
+ psc->dqe = NULL;
if (GNUNET_OK != success)
{
- if (psc->cont != NULL)
+ if (NULL != psc->cont)
psc->cont (psc->cont_cls, NULL, msg);
+ GNUNET_FS_publish_sks_cancel (psc);
+ return;
}
- else
+ if (NULL != psc->nsn)
{
- if (psc->nsn != NULL)
+ /* FIXME: this can be done much more
+ * efficiently by simply appending to the
+ * file and overwriting the 4-byte header */
+ if (psc->ns->update_nodes == NULL)
+ read_update_information_graph (psc->ns);
+ GNUNET_array_append (psc->ns->update_nodes,
+ psc->ns->update_node_count, psc->nsn);
+ if (psc->ns->update_map != NULL)
{
- /* FIXME: this can be done much more
- * efficiently by simply appending to the
- * file and overwriting the 4-byte header */
- if (psc->namespace->update_nodes == NULL)
- read_update_information_graph (psc->namespace);
- GNUNET_array_append (psc->namespace->update_nodes,
- psc->namespace->update_node_count, psc->nsn);
- if (psc->namespace->update_map != NULL)
- {
- GNUNET_CRYPTO_hash (psc->nsn->id, strlen (psc->nsn->id), &hc);
- GNUNET_CONTAINER_multihashmap_put (psc->namespace->update_map, &hc,
- psc->nsn,
- GNUNET_CONTAINER_MULTIHASHMAPOPTION_MULTIPLE);
- }
- psc->nsn = NULL;
- write_update_information_graph (psc->namespace);
+ GNUNET_CRYPTO_hash (psc->nsn->id, strlen (psc->nsn->id), &hc);
+ GNUNET_CONTAINER_multihashmap_put (psc->ns->update_map, &hc,
+ psc->nsn,
+ GNUNET_CONTAINER_MULTIHASHMAPOPTION_MULTIPLE);
}
- if (psc->cont != NULL)
- psc->cont (psc->cont_cls, psc->uri, NULL);
+ psc->nsn = NULL;
+ write_update_information_graph (psc->ns);
}
- GNUNET_FS_namespace_delete (psc->namespace, GNUNET_NO);
- GNUNET_FS_uri_destroy (psc->uri);
- if (psc->nsn != NULL)
- {
- GNUNET_CONTAINER_meta_data_destroy (psc->nsn->md);
- GNUNET_FS_uri_destroy (psc->nsn->uri);
- GNUNET_free (psc->nsn->id);
- GNUNET_free (psc->nsn->update);
- GNUNET_free (psc->nsn);
- }
- GNUNET_free (psc);
+ if (NULL != psc->cont)
+ psc->cont (psc->cont_cls, psc->uri, NULL);
+ GNUNET_FS_publish_sks_cancel (psc);
}
* Publish an SBlock on GNUnet.
*
* @param h handle to the file sharing subsystem
- * @param namespace namespace to publish in
+ * @param ns namespace to publish in
* @param identifier identifier to use
* @param update update identifier to use
* @param meta metadata to use
* @param options publication options
* @param cont continuation
* @param cont_cls closure for cont
+ * @return NULL on error ('cont' will still be called)
*/
-void
+struct GNUNET_FS_PublishSksContext *
GNUNET_FS_publish_sks (struct GNUNET_FS_Handle *h,
- struct GNUNET_FS_Namespace *namespace,
+ struct GNUNET_FS_Namespace *ns,
const char *identifier, const char *update,
const struct GNUNET_CONTAINER_MetaData *meta,
const struct GNUNET_FS_Uri *uri,
enum GNUNET_FS_PublishOptions options,
GNUNET_FS_PublishContinuation cont, void *cont_cls)
{
- struct PublishSksContext *psc;
+ struct GNUNET_FS_PublishSksContext *psc;
struct GNUNET_CRYPTO_AesSessionKey sk;
struct GNUNET_CRYPTO_AesInitializationVector iv;
struct GNUNET_FS_Uri *sks_uri;
struct SBlock *sb_enc;
char *dest;
struct GNUNET_CONTAINER_MetaData *mmeta;
- GNUNET_HashCode key; /* hash of thisId = key */
- GNUNET_HashCode id; /* hash of hc = identifier */
- GNUNET_HashCode query; /* id ^ nsid = DB query */
+ struct GNUNET_HashCode key; /* hash of thisId = key */
+ struct GNUNET_HashCode id; /* hash of hc = identifier */
+ struct GNUNET_HashCode query; /* id ^ nsid = DB query */
if (NULL == meta)
mmeta = GNUNET_CONTAINER_meta_data_create ();
uris = GNUNET_FS_uri_to_string (uri);
slen = strlen (uris) + 1;
idlen = strlen (identifier);
- if (update != NULL)
+ if (NULL != update)
nidlen = strlen (update) + 1;
else
nidlen = 1;
GNUNET_CONTAINER_meta_data_serialize (mmeta, &dest, mdsize,
GNUNET_CONTAINER_META_DATA_SERIALIZE_PART);
GNUNET_CONTAINER_meta_data_destroy (mmeta);
- if (mdsize == -1)
+ if (-1 == mdsize)
{
GNUNET_break (0);
GNUNET_free (sb);
- cont (cont_cls, NULL, _("Internal error."));
- return;
+ if (NULL != cont)
+ cont (cont_cls, NULL, _("Internal error."));
+ return NULL;
}
size = sizeof (struct SBlock) + mdsize + slen + nidlen;
sb_enc = GNUNET_malloc (size);
GNUNET_CRYPTO_hash (identifier, idlen, &key);
- GNUNET_CRYPTO_hash (&key, sizeof (GNUNET_HashCode), &id);
+ GNUNET_CRYPTO_hash (&key, sizeof (struct 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_rsa_key_get_public (ns->key, &sb_enc->subspace);
GNUNET_CRYPTO_hash (&sb_enc->subspace,
sizeof (struct GNUNET_CRYPTO_RsaPublicKeyBinaryEncoded),
- &sks_uri->data.sks.namespace);
+ &sks_uri->data.sks.ns);
sks_uri->data.sks.identifier = GNUNET_strdup (identifier);
- GNUNET_CRYPTO_hash_xor (&id, &sks_uri->data.sks.namespace,
+ GNUNET_CRYPTO_hash_xor (&id, &sks_uri->data.sks.ns,
&sb_enc->identifier);
GNUNET_CRYPTO_hash_to_aes_key (&key, &sk, &iv);
GNUNET_CRYPTO_aes_encrypt (&sb[1], size - sizeof (struct SBlock), &sk, &iv,
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,
+ GNUNET_CRYPTO_rsa_sign (ns->key, &sb_enc->purpose,
&sb_enc->signature));
- psc = GNUNET_malloc (sizeof (struct PublishSksContext));
+ psc = GNUNET_malloc (sizeof (struct GNUNET_FS_PublishSksContext));
psc->uri = sks_uri;
psc->cont = cont;
- psc->namespace = namespace;
- namespace->rc++;
+ psc->ns = GNUNET_FS_namespace_dup (ns);
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, GNUNET_TIME_UNIT_ZERO_ABS, NULL);
- return;
+ return NULL;
}
psc->dsh = GNUNET_DATASTORE_connect (h->cfg);
if (NULL == psc->dsh)
GNUNET_free (sb_enc);
GNUNET_free (sb);
sb_put_cont (psc, GNUNET_NO, GNUNET_TIME_UNIT_ZERO_ABS, _("Failed to connect to datastore."));
- return;
+ return NULL;
}
- GNUNET_CRYPTO_hash_xor (&sks_uri->data.sks.namespace, &id, &query);
+ GNUNET_CRYPTO_hash_xor (&sks_uri->data.sks.ns, &id, &query);
if (NULL != update)
{
psc->nsn = GNUNET_malloc (sizeof (struct NamespaceUpdateNode));
psc->nsn->md = GNUNET_CONTAINER_meta_data_duplicate (meta);
psc->nsn->uri = GNUNET_FS_uri_dup (uri);
}
- GNUNET_DATASTORE_put (psc->dsh, 0, &sb_enc->identifier, size, sb_enc,
- GNUNET_BLOCK_TYPE_FS_SBLOCK, bo->content_priority,
- bo->anonymity_level, bo->replication_level,
- bo->expiration_time, -2, 1,
- GNUNET_CONSTANTS_SERVICE_TIMEOUT, &sb_put_cont, psc);
+ psc->dqe = GNUNET_DATASTORE_put (psc->dsh, 0, &sb_enc->identifier, size, sb_enc,
+ GNUNET_BLOCK_TYPE_FS_SBLOCK, bo->content_priority,
+ bo->anonymity_level, bo->replication_level,
+ bo->expiration_time, -2, 1,
+ GNUNET_CONSTANTS_SERVICE_TIMEOUT, &sb_put_cont, psc);
GNUNET_free (sb);
GNUNET_free (sb_enc);
+ return psc;
+}
+
+
+/**
+ * Abort the SKS publishing operation.
+ *
+ * @param psc context of the operation to abort.
+ */
+void
+GNUNET_FS_publish_sks_cancel (struct GNUNET_FS_PublishSksContext *psc)
+{
+ if (NULL != psc->dqe)
+ {
+ GNUNET_DATASTORE_cancel (psc->dqe);
+ psc->dqe = NULL;
+ }
+ if (NULL != psc->dsh)
+ {
+ GNUNET_DATASTORE_disconnect (psc->dsh, GNUNET_NO);
+ psc->dsh = NULL;
+ }
+ GNUNET_FS_namespace_delete (psc->ns, GNUNET_NO);
+ GNUNET_FS_uri_destroy (psc->uri);
+ if (NULL != psc->nsn)
+ {
+ GNUNET_CONTAINER_meta_data_destroy (psc->nsn->md);
+ GNUNET_FS_uri_destroy (psc->nsn->uri);
+ GNUNET_free (psc->nsn->id);
+ GNUNET_free (psc->nsn->update);
+ GNUNET_free (psc->nsn);
+ }
+ GNUNET_free (psc);
}
* GNUNET_NO if not.
*/
static int
-process_update_node (void *cls, const GNUNET_HashCode * key, void *value)
+process_update_node (void *cls, const struct GNUNET_HashCode * key, void *value)
{
struct ProcessUpdateClosure *pc = cls;
struct NamespaceUpdateNode *nsn = value;
/**
* Namespace we are operating on.
*/
- struct GNUNET_FS_Namespace *namespace;
+ struct GNUNET_FS_Namespace *ns;
/**
* Array with 'head's of TREEs.
* GNUNET_NO if not.
*/
static int
-find_trees (void *cls, const GNUNET_HashCode * key, void *value)
+find_trees (void *cls, const struct GNUNET_HashCode * key, void *value)
{
struct FindTreeClosure *fc = cls;
struct NamespaceUpdateNode *nsn = value;
- GNUNET_HashCode hc;
+ struct GNUNET_HashCode hc;
if (nsn->nug == fc->nug)
{
- if (nsn->tree_id == UINT_MAX)
+ if (UINT_MAX == nsn->tree_id)
return GNUNET_YES; /* circular */
GNUNET_assert (nsn->tree_id < fc->tree_array_size);
if (fc->tree_array[nsn->tree_id] != nsn)
return GNUNET_YES; /* that's our own root (can this be?) */
/* merge existing TREE, we have a root for both */
fc->tree_array[nsn->tree_id] = NULL;
- if (fc->id == UINT_MAX)
+ if (UINT_MAX == fc->id)
fc->id = nsn->tree_id; /* take over ID */
}
else
nsn->tree_id = UINT_MAX; /* mark as undef */
/* trace */
GNUNET_CRYPTO_hash (nsn->update, strlen (nsn->update), &hc);
- GNUNET_CONTAINER_multihashmap_get_multiple (fc->namespace->update_map, &hc,
+ GNUNET_CONTAINER_multihashmap_get_multiple (fc->ns->update_map, &hc,
&find_trees, fc);
}
return GNUNET_YES;
* I know, odd definition of a tree, but the GUI will display an actual
* tree (GtkTreeView), so that's what counts for the term here.
*
- * @param namespace namespace to inspect for updateable content
+ * @param ns namespace to inspect for updateable content
* @param next_id ID to look for; use NULL to look for tree roots
* @param ip function to call on each updateable identifier
* @param ip_cls closure for ip
*/
void
-GNUNET_FS_namespace_list_updateable (struct GNUNET_FS_Namespace *namespace,
+GNUNET_FS_namespace_list_updateable (struct GNUNET_FS_Namespace *ns,
const char *next_id,
GNUNET_FS_IdentifierProcessor ip,
void *ip_cls)
{
unsigned int i;
unsigned int nug;
- GNUNET_HashCode hc;
+ struct GNUNET_HashCode hc;
struct NamespaceUpdateNode *nsn;
struct ProcessUpdateClosure pc;
struct FindTreeClosure fc;
- if (namespace->update_nodes == NULL)
- read_update_information_graph (namespace);
- if (namespace->update_nodes == NULL)
+ if (NULL == ns->update_nodes)
+ read_update_information_graph (ns);
+ if (NULL == ns->update_nodes)
{
-#if DEBUG_NAMESPACE
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
"No updateable nodes found for ID `%s'\n", next_id);
-#endif
return; /* no nodes */
}
- if (namespace->update_map == NULL)
+ if (NULL == ns->update_map)
{
/* need to construct */
- namespace->update_map =
+ ns->update_map =
GNUNET_CONTAINER_multihashmap_create (2 +
- 3 * namespace->update_node_count /
- 4);
- for (i = 0; i < namespace->update_node_count; i++)
+ 3 * ns->update_node_count /
+ 4,
+ GNUNET_NO);
+ for (i = 0; i < ns->update_node_count; i++)
{
- nsn = namespace->update_nodes[i];
+ nsn = ns->update_nodes[i];
GNUNET_CRYPTO_hash (nsn->id, strlen (nsn->id), &hc);
- GNUNET_CONTAINER_multihashmap_put (namespace->update_map, &hc, nsn,
+ GNUNET_CONTAINER_multihashmap_put (ns->update_map, &hc, nsn,
GNUNET_CONTAINER_MULTIHASHMAPOPTION_MULTIPLE);
}
}
- if (next_id != NULL)
+ if (NULL != next_id)
{
GNUNET_CRYPTO_hash (next_id, strlen (next_id), &hc);
pc.ip = ip;
pc.ip_cls = ip_cls;
- GNUNET_CONTAINER_multihashmap_get_multiple (namespace->update_map, &hc,
+ GNUNET_CONTAINER_multihashmap_get_multiple (ns->update_map, &hc,
&process_update_node, &pc);
return;
}
-#if DEBUG_NAMESPACE
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
"Calculating TREEs to find roots of update trees\n");
-#endif
/* Find heads of TREEs in update graph */
- nug = ++namespace->nug_gen;
+ nug = ++ns->nug_gen;
fc.tree_array = NULL;
fc.tree_array_size = 0;
- for (i = 0; i < namespace->update_node_count; i++)
+ for (i = 0; i < ns->update_node_count; i++)
{
- nsn = namespace->update_nodes[i];
+ nsn = ns->update_nodes[i];
if (nsn->nug == nug)
{
-#if DEBUG_NAMESPACE
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "TREE of node `%s' is %u\n", nsn->id,
nsn->nug);
-#endif
continue; /* already placed in TREE */
}
GNUNET_CRYPTO_hash (nsn->update, strlen (nsn->update), &hc);
nsn->tree_id = UINT_MAX;
fc.id = UINT_MAX;
fc.nug = nug;
- fc.namespace = namespace;
- GNUNET_CONTAINER_multihashmap_get_multiple (namespace->update_map, &hc,
+ fc.ns = ns;
+ GNUNET_CONTAINER_multihashmap_get_multiple (ns->update_map, &hc,
&find_trees, &fc);
- if (fc.id == UINT_MAX)
+ if (UINT_MAX == fc.id)
{
/* start new TREE */
for (fc.id = 0; fc.id < fc.tree_array_size; fc.id++)
GNUNET_array_append (fc.tree_array, fc.tree_array_size, nsn);
nsn->tree_id = fc.id;
}
-#if DEBUG_NAMESPACE
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
"Starting new TREE %u with node `%s'\n", nsn->tree_id,
nsn->id);
-#endif
/* put all nodes with same identifier into this TREE */
GNUNET_CRYPTO_hash (nsn->id, strlen (nsn->id), &hc);
fc.id = nsn->tree_id;
fc.nug = nug;
- fc.namespace = namespace;
- GNUNET_CONTAINER_multihashmap_get_multiple (namespace->update_map, &hc,
+ fc.ns = ns;
+ GNUNET_CONTAINER_multihashmap_get_multiple (ns->update_map, &hc,
&find_trees, &fc);
}
else
fc.tree_array[fc.id] = nsn;
nsn->tree_id = fc.id;
}
-#if DEBUG_NAMESPACE
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "TREE of node `%s' is %u\n", nsn->id,
fc.id);
-#endif
}
for (i = 0; i < fc.tree_array_size; i++)
{
nsn = fc.tree_array[i];
if (NULL != nsn)
{
-#if DEBUG_NAMESPACE
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Root of TREE %u is node `%s'\n", i,
nsn->id);
-#endif
-
ip (ip_cls, nsn->id, nsn->uri, nsn->md, nsn->update);
}
}
GNUNET_array_grow (fc.tree_array, fc.tree_array_size, 0);
-#if DEBUG_NAMESPACE
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Done processing TREEs\n");
-#endif
}
projects / oweals / gnunet.git / blobdiff