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/gnunet-service-fs_indexing.c
* @brief program that provides indexing functions of the file-sharing service
* @author Christian Grothoff
+ *
+ * TODO:
+ * - consider doing GNUNET_CRYPTO_hash_file_cancel on active indexing
+ * jobs during shutdown (currently, shutdown will only happen after
+ * all of those are done, not sure if this is good or bad)
*/
#include "platform.h"
#include <float.h>
#include "gnunet_protocols.h"
#include "gnunet_signatures.h"
#include "gnunet_util_lib.h"
-#include "gnunet-service-fs_drq.h"
#include "gnunet-service-fs_indexing.h"
#include "fs.h"
-#define DEBUG_FS GNUNET_YES
+#define DEBUG_FS GNUNET_NO
/**
* In-memory information about indexed files (also available
* NULL if we've done this already.
*/
struct GNUNET_SERVER_TransmitContext *tc;
+
+ /**
+ * Context for hashing of the file.
+ */
+ struct GNUNET_CRYPTO_FileHashContext *fhc;
/**
* Hash of the contents of the file.
static struct GNUNET_CONTAINER_MultiHashMap *ifm;
/**
- * Our scheduler.
+ * Our configuration.
*/
-static struct GNUNET_SCHEDULER_Handle *sched;
+static const struct GNUNET_CONFIGURATION_Handle *cfg;
/**
- * Our configuration.
+ * Datastore handle. Created and destroyed by code in
+ * gnunet-service-fs (this is an alias).
*/
-static const struct GNUNET_CONFIGURATION_Handle *cfg;
+static struct GNUNET_DATASTORE_Handle *dsh;
/**
GNUNET_free (fn);
return;
}
-
while ( (GNUNET_OK ==
GNUNET_BIO_read (rh,
"Hash of indexed file",
GNUNET_BIO_read_string (rh,
"Name of indexed file",
&fname,
- 1024 * 16)) )
+ 1024 * 16)) &&
+ (fname != NULL) )
{
slen = strlen (fname) + 1;
pos = GNUNET_malloc (sizeof (struct IndexInfo) + slen);
(void*) ii->filename,
GNUNET_CONTAINER_MULTIHASHMAPOPTION_UNIQUE_ONLY))
{
- GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
+ GNUNET_log (GNUNET_ERROR_TYPE_INFO,
_("Index request received for file `%s' is already indexed as `%s'. Permitting anyway.\n"),
ii->filename,
(const char*) GNUNET_CONTAINER_multihashmap_get (ifm,
res)
{
struct IndexInfo *ii = cls;
-
+
+ ii->fhc = NULL;
if ( (res == NULL) ||
(0 != memcmp (res,
&ii->file_id,
uint16_t msize;
struct IndexInfo *ii;
size_t slen;
- uint32_t dev;
+ uint64_t dev;
uint64_t ino;
- uint32_t mydev;
+ uint64_t mydev;
uint64_t myino;
msize = ntohs(message->size);
}
ism = (const struct IndexStartMessage*) message;
fn = GNUNET_STRINGS_filename_expand ((const char*) &ism[1]);
- dev = ntohl (ism->device);
+ if (fn == NULL)
+ {
+ GNUNET_SERVER_receive_done (client,
+ GNUNET_SYSERR);
+ return;
+ }
+ dev = GNUNET_ntohll (ism->device);
ino = GNUNET_ntohll (ism->inode);
ism = (const struct IndexStartMessage*) message;
slen = strlen (fn) + 1;
ii->filename = (const char*) &ii[1];
memcpy (&ii[1], fn, slen);
ii->file_id = ism->file_id;
+#if DEBUG_FS
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "Received `%s' message for file `%s'\n",
+ "START_INDEX",
+ ii->filename);
+#endif
+
ii->tc = GNUNET_SERVER_transmit_context_create (client);
mydev = 0;
myino = 0;
(unsigned int) mydev);
#endif
/* slow validation, need to hash full file (again) */
- GNUNET_CRYPTO_hash_file (sched,
- GNUNET_SCHEDULER_PRIORITY_IDLE,
- fn,
- HASHING_BLOCKSIZE,
- &hash_for_index_val,
- ii);
+ ii->fhc = GNUNET_CRYPTO_hash_file (GNUNET_SCHEDULER_PRIORITY_IDLE,
+ fn,
+ HASHING_BLOCKSIZE,
+ &hash_for_index_val,
+ ii);
+ if (ii->fhc == NULL)
+ hash_for_index_val (ii, NULL);
GNUNET_free (fn);
}
{
struct GNUNET_SERVER_TransmitContext *tc;
struct IndexInfoMessage *iim;
- char buf[GNUNET_SERVER_MAX_MESSAGE_SIZE];
+ char buf[GNUNET_SERVER_MAX_MESSAGE_SIZE - 1];
size_t slen;
const char *fn;
struct IndexInfo *pos;
{
fn = pos->filename;
slen = strlen (fn) + 1;
- if (slen + sizeof (struct IndexInfoMessage) >
- GNUNET_SERVER_MAX_MESSAGE_SIZE)
+ if (slen + sizeof (struct IndexInfoMessage) >= GNUNET_SERVER_MAX_MESSAGE_SIZE)
{
GNUNET_break (0);
break;
struct IndexInfo *next;
struct GNUNET_SERVER_TransmitContext *tc;
int found;
-
+
um = (const struct UnindexMessage*) message;
found = GNUNET_NO;
prev = NULL;
indexed_files = next;
else
prev->next = next;
+ GNUNET_break (GNUNET_OK ==
+ GNUNET_CONTAINER_multihashmap_remove (ifm,
+ &pos->file_id,
+ (void*) pos->filename));
GNUNET_free (pos);
found = GNUNET_YES;
}
GNUNET_FS_handle_on_demand_block (const GNUNET_HashCode * key,
uint32_t size,
const void *data,
- uint32_t type,
+ enum GNUNET_BLOCK_Type type,
uint32_t priority,
uint32_t anonymity,
struct GNUNET_TIME_Absolute
if (size != sizeof (struct OnDemandBlock))
{
GNUNET_break (0);
- GNUNET_FS_drq_remove (key,
- size,
- data,
- &remove_cont,
- NULL,
- GNUNET_TIME_UNIT_FOREVER_REL);
+ GNUNET_DATASTORE_remove (dsh,
+ key,
+ size,
+ data,
+ -1, -1,
+ GNUNET_TIME_UNIT_FOREVER_REL,
+ &remove_cont,
+ NULL);
return GNUNET_SYSERR;
}
odb = (const struct OnDemandBlock*) data;
sizeof (ndata)))) )
{
GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
- _("Could not access indexed file `%s' at offset %llu: %s\n"),
+ _("Could not access indexed file `%s' (%s) at offset %llu: %s\n"),
GNUNET_h2s (&odb->file_id),
+ fn,
(unsigned long long) off,
- STRERROR (errno));
+ (fn == NULL) ? _("not indexed") : STRERROR (errno));
if (fh != NULL)
GNUNET_DISK_file_close (fh);
- GNUNET_FS_drq_remove (key,
- size,
- data,
- &remove_cont,
- NULL,
- GNUNET_TIME_UNIT_FOREVER_REL);
+ GNUNET_DATASTORE_remove (dsh,
+ key,
+ size,
+ data,
+ -1, -1,
+ GNUNET_TIME_UNIT_FOREVER_REL,
+ &remove_cont,
+ NULL);
return GNUNET_SYSERR;
}
GNUNET_DISK_file_close (fh);
_("Indexed file `%s' changed at offset %llu\n"),
fn,
(unsigned long long) off);
- GNUNET_FS_drq_remove (key,
- size,
- data,
- &remove_cont,
- NULL,
- GNUNET_TIME_UNIT_FOREVER_REL);
+ GNUNET_DATASTORE_remove (dsh,
+ key,
+ size,
+ data,
+ -1, -1,
+ GNUNET_TIME_UNIT_FOREVER_REL,
+ &remove_cont,
+ NULL);
return GNUNET_SYSERR;
}
#if DEBUG_FS
key,
nsize,
edata,
- GNUNET_DATASTORE_BLOCKTYPE_DBLOCK,
+ GNUNET_BLOCK_TYPE_FS_DBLOCK,
priority,
anonymity,
expiration,
indexed_files = pos->next;
GNUNET_free (pos);
}
- sched = NULL;
cfg = NULL;
}
/**
* Initialize the indexing submodule.
*
- * @param s scheduler to use
* @param c configuration to use
+ * @param d datastore to use
*/
int
-GNUNET_FS_indexing_init (struct GNUNET_SCHEDULER_Handle *s,
- const struct GNUNET_CONFIGURATION_Handle *c)
+GNUNET_FS_indexing_init (const struct GNUNET_CONFIGURATION_Handle *c,
+ struct GNUNET_DATASTORE_Handle *d)
{
- sched = s;
cfg = c;
+ dsh = d;
ifm = GNUNET_CONTAINER_multihashmap_create (128);
- GNUNET_SCHEDULER_add_delayed (sched,
- GNUNET_TIME_UNIT_FOREVER_REL,
+ GNUNET_SCHEDULER_add_delayed (GNUNET_TIME_UNIT_FOREVER_REL,
&shutdown_task,
NULL);
read_index_list ();