/*
This file is part of GNUnet.
- Copyright (C) 2009, 2012 Christian Grothoff (and other contributing authors)
+ Copyright (C) 2009, 2012 GNUnet e.V.
GNUnet is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published
/**
* How many peers do we start?
*/
-uint32_t num_peers;
+static uint32_t num_peers;
/**
* How long do we run the test?
static struct OpListEntry *oplist_tail;
+/**
+ * A pending reply: A request was sent and the reply is pending.
+ */
+struct PendingReply
+{
+ /**
+ * DLL next,prev ptr
+ */
+ struct PendingReply *next;
+ struct PendingReply *prev;
+
+ /**
+ * Handle to the request we are waiting for
+ */
+ struct GNUNET_RPS_Request_Handle *req_handle;
+
+ /**
+ * The peer that requested
+ */
+ struct RPSPeer *rps_peer;
+};
+
+
+/**
+ * A pending request: A request was not made yet but is scheduled for later.
+ */
+struct PendingRequest
+{
+ /**
+ * DLL next,prev ptr
+ */
+ struct PendingRequest *next;
+ struct PendingRequest *prev;
+
+ /**
+ * Handle to the request we are waiting for
+ */
+ struct GNUNET_SCHEDULER_Task *request_task;
+
+ /**
+ * The peer that requested
+ */
+ struct RPSPeer *rps_peer;
+};
+
+
/**
* Information we track for each peer.
*/
int online;
/**
- * Received PeerIDs
+ * Number of Peer IDs to request
+ */
+ unsigned int num_ids_to_request;
+
+ /**
+ * Pending requests DLL
+ */
+ struct PendingRequest *pending_req_head;
+ struct PendingRequest *pending_req_tail;
+
+ /**
+ * Number of pending requests
*/
- struct GNUNET_PeerIdentity *rec_ids;
+ unsigned int num_pending_reqs;
+
+ /**
+ * Pending replies DLL
+ */
+ struct PendingReply *pending_rep_head;
+ struct PendingReply *pending_rep_tail;
+
+ /**
+ * Number of pending replies
+ */
+ unsigned int num_pending_reps;
/**
* Number of received PeerIDs
*/
- unsigned int num_rec_ids;
+ unsigned int num_recv_ids;
};
*/
static struct GNUNET_PeerIdentity *rps_peer_ids;
+/**
+ * ID of the targeted peer.
+ */
+static struct GNUNET_PeerIdentity *target_peer;
+
+/**
+ * ID of the peer that requests for the evaluation.
+ */
+static struct RPSPeer *eval_peer;
+
/**
* Number of online peers.
*/
*/
static int ok;
-
/**
* Identifier for the churn task that runs periodically
*/
static struct GNUNET_SCHEDULER_Task *churn_task;
+/**
+ * Called to initialise the given RPSPeer
+ */
+typedef void (*InitPeer) (struct RPSPeer *rps_peer);
/**
* Called directly after connecting to the service
*/
char *name;
+ /**
+ * Called to initialise peer
+ */
+ InitPeer init_peer;
+
/**
* Called directly after connecting to the service
*/
uint32_t num_requests;
} cur_test_run;
+/**
+ * Are we shutting down?
+ */
+static int in_shutdown;
/**
* Append arguments to file
*/
static void
-tofile_ (const char *file_name, char *line)
+tofile_ (const char *file_name, const char *line)
{
struct GNUNET_DISK_FileHandle *f;
/* char output_buffer[512]; */
if (size != size2)
{
GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
- "Unable to write to file! (Size: %u, size2: %u)\n",
+ "Unable to write to file! (Size: %lu, size2: %lu)\n",
size,
size2);
+ if (GNUNET_YES != GNUNET_DISK_file_close (f))
+ {
+ GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
+ "Unable to close file\n");
+ }
return;
}
if (GNUNET_YES != GNUNET_DISK_file_close (f))
+ {
GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
"Unable to close file\n");
+ }
}
/**
/**
- * Write the ids and their according index in the given array to a file
+ * Write the ids and their according index in the given array to a file
* Unused
*/
/* static void
* Test the success of a single test
*/
static int
-evaluate (struct RPSPeer *loc_rps_peers,
- unsigned int num_loc_rps_peers,
- unsigned int expected_recv)
+evaluate (void)
{
unsigned int i;
int tmp_ok;
- tmp_ok = (1 == loc_rps_peers[0].num_rec_ids);
+ tmp_ok = 1;
- for (i = 0 ; i < num_loc_rps_peers ; i++)
+ for (i = 0; i < num_peers; i++)
{
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
- "%u. peer [%s] received %u of %u expected peer_ids: %i\n",
- i,
- GNUNET_i2s (loc_rps_peers[i].peer_id),
- loc_rps_peers[i].num_rec_ids,
- expected_recv,
- (1 == loc_rps_peers[i].num_rec_ids));
- tmp_ok &= (1 == loc_rps_peers[i].num_rec_ids);
+ "%u. peer [%s] received %u of %u expected peer_ids: %i\n",
+ i,
+ GNUNET_i2s (rps_peers[i].peer_id),
+ rps_peers[i].num_recv_ids,
+ rps_peers[i].num_ids_to_request,
+ (rps_peers[i].num_ids_to_request == rps_peers[i].num_recv_ids));
+ tmp_ok &= (rps_peers[i].num_ids_to_request == rps_peers[i].num_recv_ids);
}
return tmp_ok? 0 : 1;
}
}
-/**
- * Callback to be called when RPS service is started or stopped at peers
- *
- * @param cls NULL
- * @param op the operation handle
- * @param emsg NULL on success; otherwise an error description
- */
-static void
-churn_cb (void *cls,
- struct GNUNET_TESTBED_Operation *op,
- const char *emsg)
-{
- // FIXME
- struct OpListEntry *entry = cls;
-
- GNUNET_TESTBED_operation_done (entry->op);
- if (NULL != emsg)
- {
- GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "Failed to start/stop RPS at a peer\n");
- GNUNET_SCHEDULER_shutdown ();
- return;
- }
- GNUNET_assert (0 != entry->delta);
-
- num_peers_online += entry->delta;
-
- if (0 > entry->delta)
- { /* Peer hopefully just went offline */
- if (GNUNET_YES != rps_peers[entry->index].online)
- {
- GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
- "peer %s was expected to go offline but is still marked as online\n",
- GNUNET_i2s (rps_peers[entry->index].peer_id));
- GNUNET_break (0);
- }
- else
- {
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
- "peer %s probably went offline as expected\n",
- GNUNET_i2s (rps_peers[entry->index].peer_id));
- }
- rps_peers[entry->index].online = GNUNET_NO;
- }
-
- else if (0 < entry->delta)
- { /* Peer hopefully just went online */
- if (GNUNET_NO != rps_peers[entry->index].online)
- {
- GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
- "peer %s was expected to go online but is still marked as offline\n",
- GNUNET_i2s (rps_peers[entry->index].peer_id));
- GNUNET_break (0);
- }
- else
- {
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
- "peer %s probably went online as expected\n",
- GNUNET_i2s (rps_peers[entry->index].peer_id));
- if (NULL != cur_test_run.pre_test)
- {
- cur_test_run.pre_test (&rps_peers[entry->index],
- rps_peers[entry->index].rps_handle);
- }
- }
- rps_peers[entry->index].online = GNUNET_YES;
- }
-
- GNUNET_CONTAINER_DLL_remove (oplist_head, oplist_tail, entry);
- GNUNET_free (entry);
- //if (num_peers_in_round[current_round] == peers_running)
- // run_round ();
-}
-
-
/**
* Task run on timeout to shut everything down.
*/
static void
-shutdown_task (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
+shutdown_op (void *cls)
{
unsigned int i;
+ in_shutdown = GNUNET_YES;
if (NULL != churn_task)
+ {
GNUNET_SCHEDULER_cancel (churn_task);
-
- for (i = 0 ; i < num_peers ; i++)
- GNUNET_TESTBED_operation_done (rps_peers[i].op);
+ churn_task = NULL;
+ }
+ for (i = 0; i < num_peers; i++)
+ if (NULL != rps_peers[i].op)
+ GNUNET_TESTBED_operation_done (rps_peers[i].op);
GNUNET_SCHEDULER_shutdown ();
}
/**
* Seed peers.
*/
- void
-seed_peers (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
+static void
+seed_peers (void *cls)
{
+ struct RPSPeer *peer = cls;
unsigned int amount;
- struct RPSPeer *peer = (struct RPSPeer *) cls;
unsigned int i;
// TODO if malicious don't seed mal peers
}
+/**
+ * Seed peers.
+ */
+static void
+seed_peers_big (void *cls)
+{
+ struct RPSPeer *peer = cls;
+ unsigned int seed_msg_size;
+ uint32_t num_peers_max;
+ unsigned int amount;
+ unsigned int i;
+
+ seed_msg_size = 8; /* sizeof (struct GNUNET_RPS_CS_SeedMessage) */
+ num_peers_max = (GNUNET_SERVER_MAX_MESSAGE_SIZE - seed_msg_size) /
+ sizeof (struct GNUNET_PeerIdentity);
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "Peers that fit in one seed msg; %u\n",
+ num_peers_max);
+ amount = num_peers_max + (0.5 * num_peers_max);
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "Seeding many (%u) peers:\n",
+ amount);
+ struct GNUNET_PeerIdentity ids_to_seed[amount];
+ for (i = 0; i < amount; i++)
+ {
+ ids_to_seed[i] = *peer->peer_id;
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Seeding %u. peer: %s\n",
+ i,
+ GNUNET_i2s (&ids_to_seed[i]));
+ }
+
+ GNUNET_RPS_seed_ids (peer->rps_handle, amount, ids_to_seed);
+}
+
/**
* Get the id of peer i.
*/
if (NULL == pinfo || NULL != emsg)
{
GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "Got Error: %s\n", emsg);
+ GNUNET_TESTBED_operation_done (entry->op);
return;
}
rps_peer_ids[entry->index] = *(pinfo->result.id);
rps_peers[entry->index].peer_id = &rps_peer_ids[entry->index];
- rps_peers[entry->index].rec_ids = NULL;
- rps_peers[entry->index].num_rec_ids = 0;
-
- GNUNET_CONTAINER_multipeermap_put (peer_map,
- &rps_peer_ids[entry->index],
- &rps_peers[entry->index],
- GNUNET_CONTAINER_MULTIHASHMAPOPTION_UNIQUE_ONLY);
+ GNUNET_assert (GNUNET_OK ==
+ GNUNET_CONTAINER_multipeermap_put (peer_map,
+ &rps_peer_ids[entry->index],
+ &rps_peers[entry->index],
+ GNUNET_CONTAINER_MULTIHASHMAPOPTION_UNIQUE_ONLY));
tofile ("/tmp/rps/peer_ids",
"%u\t%s\n",
entry->index,
GNUNET_i2s_full (&rps_peer_ids[entry->index]));
- GNUNET_TESTBED_operation_done (entry->op);
-
GNUNET_CONTAINER_DLL_remove (oplist_head, oplist_tail, entry);
+ GNUNET_TESTBED_operation_done (entry->op);
GNUNET_free (entry);
}
rps_disconnect_adapter (void *cls,
void *op_result)
{
+ struct RPSPeer *peer = cls;
struct GNUNET_RPS_Handle *h = op_result;
+ GNUNET_assert (NULL != peer);
GNUNET_RPS_disconnect (h);
+ peer->rps_handle = NULL;
}
static int
default_eval_cb (void)
{
- return evaluate (rps_peers, num_peers, 1);
+ return evaluate ();
}
static int
no_eval (void)
{
- return 1;
+ return 0;
+}
+
+/**
+ * Initialise given RPSPeer
+ */
+static void default_init_peer (struct RPSPeer *rps_peer)
+{
+ rps_peer->num_ids_to_request = 1;
}
/**
uint64_t n,
const struct GNUNET_PeerIdentity *recv_peers)
{
- struct RPSPeer *rps_peer = (struct RPSPeer *) cls;
+ struct RPSPeer *rps_peer;
+ struct PendingReply *pending_rep = (struct PendingReply *) cls;
unsigned int i;
+ rps_peer = pending_rep->rps_peer;
+ GNUNET_CONTAINER_DLL_remove (rps_peer->pending_rep_head,
+ rps_peer->pending_rep_tail,
+ pending_rep);
+ rps_peer->num_pending_reps--;
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
"[%s] got %" PRIu64 " peers:\n",
GNUNET_i2s (rps_peer->peer_id),
n);
-
- for (i = 0 ; i < n ; i++)
+
+ for (i = 0; i < n; i++)
{
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
"%u: %s\n",
i,
GNUNET_i2s (&recv_peers[i]));
- GNUNET_array_append (rps_peer->rec_ids, rps_peer->num_rec_ids, recv_peers[i]);
+ rps_peer->num_recv_ids++;
+ }
+
+ if (0 == evaluate ())
+ {
+ GNUNET_SCHEDULER_shutdown ();
}
}
* Request random peers.
*/
static void
-request_peers (void *cls,
- const struct GNUNET_SCHEDULER_TaskContext *tc)
+request_peers (void *cls)
{
- struct RPSPeer *rps_peer = (struct RPSPeer *) cls;
+ struct PendingRequest *pending_req = cls;
+ struct RPSPeer *rps_peer;
+ struct PendingReply *pending_rep;
+ if (GNUNET_YES == in_shutdown)
+ return;
+ rps_peer = pending_req->rps_peer;
+ GNUNET_assert (1 <= rps_peer->num_pending_reqs);
+ GNUNET_CONTAINER_DLL_remove (rps_peer->pending_req_head,
+ rps_peer->pending_req_tail,
+ pending_req);
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
"Requesting one peer\n");
+ pending_rep = GNUNET_new (struct PendingReply);
+ pending_rep->rps_peer = rps_peer;
+ pending_rep->req_handle = GNUNET_RPS_request_peers (rps_peer->rps_handle,
+ 1,
+ cur_test_run.reply_handle,
+ pending_rep);
+ GNUNET_CONTAINER_DLL_insert_tail (rps_peer->pending_rep_head,
+ rps_peer->pending_rep_tail,
+ pending_rep);
+ rps_peer->num_pending_reps++;
+ rps_peer->num_pending_reqs--;
+}
- GNUNET_free (GNUNET_RPS_request_peers (rps_peer->rps_handle,
- 1,
- cur_test_run.reply_handle,
- rps_peer));
- //rps_peer->req_handle = GNUNET_RPS_request_peers (rps_peer->rps_handle, 1, handle_reply, rps_peer);
+static void
+cancel_pending_req (struct PendingRequest *pending_req)
+{
+ struct RPSPeer *rps_peer;
+
+ rps_peer = pending_req->rps_peer;
+ GNUNET_CONTAINER_DLL_remove (rps_peer->pending_req_head,
+ rps_peer->pending_req_tail,
+ pending_req);
+ rps_peer->num_pending_reqs--;
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "Cancelling pending request\n");
+ GNUNET_SCHEDULER_cancel (pending_req->request_task);
+ GNUNET_free (pending_req);
}
+static void
+cancel_request (struct PendingReply *pending_rep)
+{
+ struct RPSPeer *rps_peer;
+
+ rps_peer = pending_rep->rps_peer;
+ GNUNET_CONTAINER_DLL_remove (rps_peer->pending_rep_head,
+ rps_peer->pending_rep_tail,
+ pending_rep);
+ rps_peer->num_pending_reps--;
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "Cancelling request\n");
+ GNUNET_RPS_request_cancel (pending_rep->req_handle);
+ GNUNET_free (pending_rep);
+}
+
+/**
+ * Cancel a request.
+ */
+static void
+cancel_request_cb (void *cls)
+{
+ struct RPSPeer *rps_peer = cls;
+ struct PendingReply *pending_rep;
+
+ if (GNUNET_YES == in_shutdown)
+ return;
+ pending_rep = rps_peer->pending_rep_head;
+ GNUNET_assert (1 <= rps_peer->num_pending_reps);
+ cancel_request (pending_rep);
+}
+
+
+/**
+ * Schedule requests for peer @a rps_peer that have neither been scheduled, nor
+ * issued, nor replied
+ */
+void
+schedule_missing_requests (struct RPSPeer *rps_peer)
+{
+ unsigned int i;
+ struct PendingRequest *pending_req;
+
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "Scheduling %u - %u missing requests\n",
+ rps_peer->num_ids_to_request,
+ rps_peer->num_pending_reqs + rps_peer->num_pending_reps);
+ GNUNET_assert (rps_peer->num_pending_reqs + rps_peer->num_pending_reps <=
+ rps_peer->num_ids_to_request);
+ for (i = rps_peer->num_pending_reqs + rps_peer->num_pending_reps;
+ i < rps_peer->num_ids_to_request; i++)
+ {
+ pending_req = GNUNET_new (struct PendingRequest);
+ pending_req->rps_peer = rps_peer;
+ pending_req->request_task = GNUNET_SCHEDULER_add_delayed (
+ GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_SECONDS,
+ cur_test_run.request_interval * i),
+ request_peers,
+ pending_req);
+ GNUNET_CONTAINER_DLL_insert_tail (rps_peer->pending_req_head,
+ rps_peer->pending_req_tail,
+ pending_req);
+ rps_peer->num_pending_reqs++;
+ }
+}
+
+void
+cancel_pending_req_rep (struct RPSPeer *rps_peer)
+{
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "Cancelling all (pending) requests.\n");
+ while (NULL != rps_peer->pending_req_head)
+ cancel_pending_req (rps_peer->pending_req_head);
+ GNUNET_assert (0 == rps_peer->num_pending_reqs);
+ while (NULL != rps_peer->pending_rep_head)
+ cancel_request (rps_peer->pending_rep_head);
+ GNUNET_assert (0 == rps_peer->num_pending_reps);
+}
/***********************************
* MALICIOUS
***********************************/
+
+/**
+ * Initialise only non-mal RPSPeers
+ */
+static void mal_init_peer (struct RPSPeer *rps_peer)
+{
+ if (rps_peer->index >= round (portion * num_peers))
+ rps_peer->num_ids_to_request = 1;
+}
+
static void
mal_pre (void *cls, struct GNUNET_RPS_Handle *h)
{
uint32_t num_mal_peers;
struct RPSPeer *rps_peer = (struct RPSPeer *) cls;
- GNUNET_assert (1 >= portion
- && 0 < portion);
+ GNUNET_assert ( (1 >= portion) &&
+ (0 < portion) );
num_mal_peers = round (portion * num_peers);
if (rps_peer->index < num_mal_peers)
GNUNET_i2s (rps_peer->peer_id),
num_mal_peers);
- GNUNET_RPS_act_malicious (h, mal_type, num_mal_peers, rps_peer_ids);
+ GNUNET_RPS_act_malicious (h, mal_type, num_mal_peers,
+ rps_peer_ids, target_peer);
}
#endif /* ENABLE_MALICIOUS */
}
uint32_t num_mal_peers;
#ifdef ENABLE_MALICIOUS
- GNUNET_assert (1 >= portion
- && 0 < portion);
+ GNUNET_assert ( (1 >= portion) &&
+ (0 < portion) );
num_mal_peers = round (portion * num_peers);
if (rps_peer->index >= num_mal_peers)
it's not sampling */
GNUNET_SCHEDULER_add_delayed (GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_SECONDS, 2),
seed_peers, rps_peer);
- GNUNET_SCHEDULER_add_delayed (GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_SECONDS, 10),
- request_peers, rps_peer);
+ schedule_missing_requests (rps_peer);
}
#endif /* ENABLE_MALICIOUS */
}
-static int
-mal_eval (void)
-{
- unsigned int num_mal_peers;
-
- num_mal_peers = round (num_peers * portion);
- return evaluate (&rps_peers[num_mal_peers],
- num_peers - (num_mal_peers),
- 1);
-}
-
/***********************************
* SINGLE_REQUEST
static void
single_req_cb (struct RPSPeer *rps_peer)
{
- GNUNET_SCHEDULER_add_delayed (GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_SECONDS, 5),
- request_peers, rps_peer);
+ schedule_missing_requests (rps_peer);
}
/***********************************
static void
delay_req_cb (struct RPSPeer *rps_peer)
{
- GNUNET_SCHEDULER_add_delayed (GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_SECONDS, 5),
- request_peers, rps_peer);
- GNUNET_SCHEDULER_add_delayed (GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_SECONDS, 10),
- request_peers, rps_peer);
+ schedule_missing_requests (rps_peer);
}
/***********************************
static void
seed_cb (struct RPSPeer *rps_peer)
{
- GNUNET_SCHEDULER_add_delayed (GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_SECONDS, 10),
- seed_peers, rps_peer);
+ GNUNET_SCHEDULER_add_delayed (
+ GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_SECONDS, 10),
+ seed_peers, rps_peer);
}
/***********************************
seed_big_cb (struct RPSPeer *rps_peer)
{
// TODO test seeding > GNUNET_SERVER_MAX_MESSAGE_SIZE peers
+ GNUNET_SCHEDULER_add_delayed (
+ GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_SECONDS, 2),
+ seed_peers_big, rps_peer);
}
/***********************************
static void
seed_req_cb (struct RPSPeer *rps_peer)
{
- GNUNET_SCHEDULER_add_delayed (GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_SECONDS, 2),
- seed_peers, rps_peer);
- GNUNET_SCHEDULER_add_delayed (GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_SECONDS, 15),
- request_peers, rps_peer);
+ GNUNET_SCHEDULER_add_delayed (
+ GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_SECONDS, 2),
+ seed_peers, rps_peer);
+ schedule_missing_requests (rps_peer);
}
//TODO start big mal
static void
req_cancel_cb (struct RPSPeer *rps_peer)
{
- // TODO
+ schedule_missing_requests (rps_peer);
+ GNUNET_SCHEDULER_add_delayed (
+ GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_SECONDS,
+ (cur_test_run.request_interval + 1)),
+ cancel_request_cb, rps_peer);
}
/***********************************
* PROFILER
***********************************/
+
+/**
+ * Callback to be called when RPS service is started or stopped at peers
+ *
+ * @param cls NULL
+ * @param op the operation handle
+ * @param emsg NULL on success; otherwise an error description
+ */
+static void
+churn_cb (void *cls,
+ struct GNUNET_TESTBED_Operation *op,
+ const char *emsg)
+{
+ // FIXME
+ struct OpListEntry *entry = cls;
+
+ GNUNET_TESTBED_operation_done (entry->op);
+ if (NULL != emsg)
+ {
+ GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "Failed to start/stop RPS at a peer\n");
+ GNUNET_SCHEDULER_shutdown ();
+ return;
+ }
+ GNUNET_assert (0 != entry->delta);
+
+ num_peers_online += entry->delta;
+
+ if (0 > entry->delta)
+ { /* Peer hopefully just went offline */
+ if (GNUNET_YES != rps_peers[entry->index].online)
+ {
+ GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
+ "peer %s was expected to go offline but is still marked as online\n",
+ GNUNET_i2s (rps_peers[entry->index].peer_id));
+ GNUNET_break (0);
+ }
+ else
+ {
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "peer %s probably went offline as expected\n",
+ GNUNET_i2s (rps_peers[entry->index].peer_id));
+ }
+ rps_peers[entry->index].online = GNUNET_NO;
+ }
+
+ else if (0 < entry->delta)
+ { /* Peer hopefully just went online */
+ if (GNUNET_NO != rps_peers[entry->index].online)
+ {
+ GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
+ "peer %s was expected to go online but is still marked as offline\n",
+ GNUNET_i2s (rps_peers[entry->index].peer_id));
+ GNUNET_break (0);
+ }
+ else
+ {
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "peer %s probably went online as expected\n",
+ GNUNET_i2s (rps_peers[entry->index].peer_id));
+ if (NULL != cur_test_run.pre_test)
+ {
+ cur_test_run.pre_test (&rps_peers[entry->index],
+ rps_peers[entry->index].rps_handle);
+ schedule_missing_requests (&rps_peers[entry->index]);
+ }
+ }
+ rps_peers[entry->index].online = GNUNET_YES;
+ }
+
+ GNUNET_CONTAINER_DLL_remove (oplist_head, oplist_tail, entry);
+ GNUNET_free (entry);
+ //if (num_peers_in_round[current_round] == peers_running)
+ // run_round ();
+}
+
static void
-churn (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
+manage_service_wrapper (unsigned int i, unsigned int j, int delta,
+ double prob_go_on_off)
{
struct OpListEntry *entry;
+ uint32_t prob;
+
+ prob = GNUNET_CRYPTO_random_u32 (GNUNET_CRYPTO_QUALITY_WEAK,
+ UINT32_MAX);
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "%u. selected peer (%u: %s) is %s.\n",
+ i,
+ j,
+ GNUNET_i2s (rps_peers[j].peer_id),
+ (0 > delta) ? "online" : "offline");
+ if (prob < prob_go_on_off * UINT32_MAX)
+ {
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "%s goes %s\n",
+ GNUNET_i2s (rps_peers[j].peer_id),
+ (0 > delta) ? "offline" : "online");
+
+ if (0 > delta)
+ cancel_pending_req_rep (&rps_peers[j]);
+ entry = make_oplist_entry ();
+ entry->delta = delta;
+ entry->index = j;
+ entry->op = GNUNET_TESTBED_peer_manage_service (NULL,
+ testbed_peers[j],
+ "rps",
+ &churn_cb,
+ entry,
+ (0 > delta) ? 0 : 1);
+ }
+}
+
+
+static void
+churn (void *cls)
+{
unsigned int i;
unsigned int j;
double portion_online;
double prob_go_offline;
double portion_go_online;
double portion_go_offline;
- uint32_t prob;
/* Compute the probability for an online peer to go offline
* this round */
(unsigned int) num_peers);
/* Go over 50% randomly chosen peers */
- for (i = 0 ; i < .5 * num_peers ; i++)
+ for (i = 0; i < .5 * num_peers; i++)
{
j = permut[i];
/* If online, shut down with certain probability */
if (GNUNET_YES == rps_peers[j].online)
{
- prob = GNUNET_CRYPTO_random_u32 (GNUNET_CRYPTO_QUALITY_WEAK,
- UINT32_MAX);
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
- "%u. selected peer (%u: %s) is online.\n",
- i,
- j,
- GNUNET_i2s (rps_peers[j].peer_id));
- if (prob < prob_go_offline * UINT32_MAX)
- {
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
- "%s goes offline\n",
- GNUNET_i2s (rps_peers[j].peer_id));
-
- entry = make_oplist_entry ();
- entry->delta = -1;
- entry->index = j;
- entry->op = GNUNET_TESTBED_peer_manage_service (NULL,
- testbed_peers[j],
- "rps",
- &churn_cb,
- entry,
- 0);
- }
- }
-
- /* If offline, restart with certain probability */
- else if (GNUNET_NO == rps_peers[j].online)
- {
- prob = GNUNET_CRYPTO_random_u32 (GNUNET_CRYPTO_QUALITY_WEAK,
- UINT32_MAX);
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
- "%u. selected peer (%u: %s) is offline.\n",
- i,
- j,
- GNUNET_i2s (rps_peers[j].peer_id));
- if (prob < .66 * UINT32_MAX)
- {
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
- "%s goes online\n",
- GNUNET_i2s (rps_peers[j].peer_id));
-
- entry = make_oplist_entry ();
- entry->delta = 1;
- entry->index = j;
- entry->op = GNUNET_TESTBED_peer_manage_service (NULL,
- testbed_peers[j],
- "rps",
- &churn_cb,
- entry,
- 1);
- }
- }
+ manage_service_wrapper (i, j, -1, prob_go_offline);
+ }
+
+ /* If offline, restart with certain probability */
+ else if (GNUNET_NO == rps_peers[j].online)
+ {
+ manage_service_wrapper (i, j, 1, 0.66);
+ }
}
GNUNET_free (permut);
}
-static void
-profiler_pre (void *cls, struct GNUNET_RPS_Handle *h)
+/**
+ * Initialise given RPSPeer
+ */
+static void profiler_init_peer (struct RPSPeer *rps_peer)
{
- //churn_task = GNUNET_SCHEDULER_add_delayed (GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_SECONDS,
- // 10),
- // churn, NULL);
- mal_pre (cls, h);
-
- /* if (NULL == churn_task)
- {
- churn_task = GNUNET_SCHEDULER_add_delayed (
- GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_SECONDS, 10),
- churn,
- NULL);
- } */
+ if (num_peers - 1 == rps_peer->index)
+ rps_peer->num_ids_to_request = cur_test_run.num_requests;
}
uint64_t n,
const struct GNUNET_PeerIdentity *recv_peers)
{
- struct RPSPeer *rps_peer = (struct RPSPeer *) cls;
+ struct RPSPeer *rps_peer;
struct RPSPeer *rcv_rps_peer;
char *file_name;
char *file_name_dh;
unsigned int i;
+ struct PendingReply *pending_rep = (struct PendingReply *) cls;
+ rps_peer = pending_rep->rps_peer;
file_name = "/tmp/rps/received_ids";
file_name_dh = "/tmp/rps/diehard_input";
-
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
"[%s] got %" PRIu64 " peers:\n",
GNUNET_i2s (rps_peer->peer_id),
n);
-
- for (i = 0 ; i < n ; i++)
+ for (i = 0; i < n; i++)
{
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
"%u: %s\n",
i,
GNUNET_i2s (&recv_peers[i]));
-
- /* GNUNET_array_append (rps_peer->rec_ids, rps_peer->num_rec_ids, recv_peers[i]); */
tofile (file_name,
"%s\n",
GNUNET_i2s_full (&recv_peers[i]));
-
rcv_rps_peer = GNUNET_CONTAINER_multipeermap_get (peer_map, &recv_peers[i]);
-
+ GNUNET_assert (NULL != rcv_rps_peer);
tofile (file_name_dh,
"%" PRIu32 "\n",
(uint32_t) rcv_rps_peer->index);
}
+ default_reply_handle (cls, n, recv_peers);
}
static void
profiler_cb (struct RPSPeer *rps_peer)
{
- uint32_t i;
-
- /* Churn only at peers that do not request peers for evaluation */
- if (NULL == churn_task &&
- rps_peer->index != num_peers - 2)
+ /* Start churn */
+ if (NULL == churn_task)
{
churn_task = GNUNET_SCHEDULER_add_delayed (
- GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_SECONDS, 10),
+ GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_SECONDS, 5),
churn,
NULL);
}
/* Only request peer ids at one peer.
* (It's the before-last because last one is target of the focussed attack.)
*/
- if (rps_peer->index == num_peers - 2)
- {
- for (i = 0 ; i < cur_test_run.num_requests ; i++)
- {
- GNUNET_SCHEDULER_add_delayed (
- GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_SECONDS,
- cur_test_run.request_interval * i),
- request_peers,
- rps_peer);
- }
- }
+ if (eval_peer == rps_peer)
+ schedule_missing_requests (rps_peer);
}
/**
{
RPS_sampler_elem_next (s_elem, &rps_peer_ids[i]);
}
+ RPS_sampler_elem_destroy (s_elem);
}
return GNUNET_OK;
}
GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "Scan of directory failed\n");
}
- return 0;
+ return evaluate ();
}
{
unsigned int i;
struct OpListEntry *entry;
+ uint32_t num_mal_peers;
testbed_peers = peers;
num_peers_online = 0;
-
- for (i = 0 ; i < num_peers ; i++)
+ for (i = 0; i < num_peers; i++)
{
entry = make_oplist_entry ();
entry->index = i;
+ rps_peers[i].index = i;
+ if (NULL != cur_test_run.init_peer)
+ cur_test_run.init_peer (&rps_peers[i]);
entry->op = GNUNET_TESTBED_peer_get_information (peers[i],
GNUNET_TESTBED_PIT_IDENTITY,
&info_cb,
entry);
}
-
- // This seems not to work
- //if (NULL != strstr (cur_test_run.name, "profiler"))
- //{
- // churn_task = GNUNET_SCHEDULER_add_delayed (
- // GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_SECONDS, 5),
- // churn,
- // NULL);
- //}
-
+ num_mal_peers = round (portion * num_peers);
GNUNET_assert (num_peers == n_peers);
- for (i = 0 ; i < n_peers ; i++)
+ for (i = 0; i < n_peers; i++)
{
rps_peers[i].index = i;
- rps_peers[i].op =
- GNUNET_TESTBED_service_connect (&rps_peers[i],
- peers[i],
- "rps",
- &rps_connect_complete_cb,
- &rps_peers[i],
- &rps_connect_adapter,
- &rps_disconnect_adapter,
- &rps_peers[i]);
+ if ( (rps_peers[i].num_recv_ids < rps_peers[i].num_ids_to_request) ||
+ (i < num_mal_peers) )
+ {
+ rps_peers[i].op =
+ GNUNET_TESTBED_service_connect (&rps_peers[i],
+ peers[i],
+ "rps",
+ &rps_connect_complete_cb,
+ &rps_peers[i],
+ &rps_connect_adapter,
+ &rps_disconnect_adapter,
+ &rps_peers[i]);
+ }
}
if (NULL != churn_task)
GNUNET_SCHEDULER_cancel (churn_task);
-
- GNUNET_SCHEDULER_add_delayed (timeout, &shutdown_task, NULL);
+ GNUNET_SCHEDULER_add_delayed (timeout, &shutdown_op, NULL);
}
{
int ret_value;
+ num_peers = 5;
cur_test_run.name = "test-rps-default";
+ cur_test_run.init_peer = default_init_peer;
cur_test_run.pre_test = NULL;
cur_test_run.reply_handle = default_reply_handle;
cur_test_run.eval_cb = default_eval_cb;
churn_task = NULL;
-
- num_peers = 5;
timeout = GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_SECONDS, 30);
if (strstr (argv[0], "malicious") != NULL)
{
cur_test_run.pre_test = mal_pre;
cur_test_run.main_test = mal_cb;
- cur_test_run.eval_cb = mal_eval;
+ cur_test_run.init_peer = mal_init_peer;
if (strstr (argv[0], "_1") != NULL)
{
else if (strstr (argv[0], "_seed_big") != NULL)
{
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Test seeding (num_peers > GNUNET_SERVER_MAX_MESSAGE_SIZE)\n");
+ num_peers = 1;
cur_test_run.name = "test-rps-seed-big";
cur_test_run.main_test = seed_big_cb;
+ cur_test_run.eval_cb = no_eval;
+ timeout = GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_SECONDS, 10);
}
else if (strstr (argv[0], "_single_peer_seed") != NULL)
{
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Test cancelling a request\n");
cur_test_run.name = "test-rps-req-cancel";
+ num_peers = 1;
cur_test_run.main_test = req_cancel_cb;
+ cur_test_run.eval_cb = no_eval;
+ timeout = GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_SECONDS, 10);
}
else if (strstr (argv[0], "profiler") != NULL)
{
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "This is the profiler\n");
cur_test_run.name = "test-rps-profiler";
+ num_peers = 10;
mal_type = 3;
- cur_test_run.pre_test = profiler_pre;
+ cur_test_run.init_peer = profiler_init_peer;
+ cur_test_run.pre_test = mal_pre;
cur_test_run.main_test = profiler_cb;
cur_test_run.reply_handle = profiler_reply_handle;
cur_test_run.eval_cb = profiler_eval;
cur_test_run.request_interval = 2;
- cur_test_run.num_requests = 50;
-
- num_peers = 50;
+ cur_test_run.num_requests = 5;
+ timeout = GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_SECONDS, 90);
+ /* 'Clean' directory */
(void) GNUNET_DISK_directory_remove ("/tmp/rps/");
GNUNET_DISK_directory_create ("/tmp/rps/");
- timeout = GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_SECONDS, 90);
}
rps_peers = GNUNET_new_array (num_peers, struct RPSPeer);
- rps_peer_ids = GNUNET_new_array (num_peers, struct GNUNET_PeerIdentity);
peer_map = GNUNET_CONTAINER_multipeermap_create (num_peers, GNUNET_NO);
+ rps_peer_ids = GNUNET_new_array (num_peers, struct GNUNET_PeerIdentity);
+ if ( (2 == mal_type) ||
+ (3 == mal_type))
+ target_peer = &rps_peer_ids[num_peers - 2];
+ if (profiler_eval == cur_test_run.eval_cb)
+ eval_peer = &rps_peers[num_peers - 1]; /* FIXME: eval_peer could be a
+ malicious peer if not careful
+ with the malicious portion */
ok = 1;
(void) GNUNET_TESTBED_test_run (cur_test_run.name,
&run, NULL);
ret_value = cur_test_run.eval_cb();
-
GNUNET_free (rps_peers );
GNUNET_free (rps_peer_ids);
GNUNET_CONTAINER_multipeermap_destroy (peer_map);
-
return ret_value;
}