/*
This file is part of GNUnet.
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 Affero General Public License as published
by the Free Software Foundation, either version 3 of the License,
or (at your option) any later version.
GNUnet is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Affero General Public License for more details.
You should have received a copy of the GNU Affero General Public License
along with this program. If not, see .
SPDX-License-Identifier: AGPL3.0-or-later
*/
/**
* @file rps/test_rps.c
* @brief Testcase for the random peer sampling service. Starts
* a peergroup with a given number of peers, then waits to
* receive size pushes/pulls from each peer. Expects to wait
* for one message from each peer.
*/
#include "platform.h"
#include "gnunet_util_lib.h"
#include "gnunet_testbed_service.h"
#include "gnunet_rps_service.h"
#include "rps-test_util.h"
#include "gnunet-service-rps_sampler_elem.h"
#include
/**
* How many peers do we start?
*/
static uint32_t num_peers;
/**
* How long do we run the test?
* In seconds.
*/
static uint32_t timeout_s;
/**
* How long do we run the test?
*/
// #define TIMEOUT GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_SECONDS, 30)
static struct GNUNET_TIME_Relative timeout;
/**
* Portion of malicious peers
*/
static double portion = .1;
/**
* Type of malicious peer to test
*/
static unsigned int mal_type = 0;
/**
* Handles to all of the running peers
*/
static struct GNUNET_TESTBED_Peer **testbed_peers;
/**
* @brief Indicates whether peer should go off- or online
*/
enum PEER_ONLINE_DELTA
{
/**
* @brief Indicates peer going online
*/
PEER_GO_ONLINE = 1,
/**
* @brief Indicates peer going offline
*/
PEER_GO_OFFLINE = -1,
};
/**
* Operation map entry
*/
struct OpListEntry
{
/**
* DLL next ptr
*/
struct OpListEntry *next;
/**
* DLL prev ptr
*/
struct OpListEntry *prev;
/**
* The testbed operation
*/
struct GNUNET_TESTBED_Operation *op;
/**
* Depending on whether we start or stop RPS service at the peer, set this to
* #PEER_GO_ONLINE (1) or #PEER_GO_OFFLINE (-1)
*/
enum PEER_ONLINE_DELTA delta;
/**
* Index of the regarding peer
*/
unsigned int index;
};
/**
* OpList DLL head
*/
static struct OpListEntry *oplist_head;
/**
* OpList DLL tail
*/
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.
*/
struct RPSPeer
{
/**
* Index of the peer.
*/
unsigned int index;
/**
* Handle for RPS connect operation.
*/
struct GNUNET_TESTBED_Operation *op;
/**
* Handle to RPS service.
*/
struct GNUNET_RPS_Handle *rps_handle;
/**
* Handle to stream requests
*/
struct GNUNET_RPS_StreamRequestHandle *rps_srh;
/**
* ID of the peer.
*/
struct GNUNET_PeerIdentity *peer_id;
/**
* A request handle to check for an request
*/
// struct GNUNET_RPS_Request_Handle *req_handle;
/**
* Peer on- or offline?
*/
int online;
/**
* Number of Peer IDs to request during the whole test
*/
unsigned int num_ids_to_request;
/**
* Pending requests DLL
*/
struct PendingRequest *pending_req_head;
struct PendingRequest *pending_req_tail;
/**
* Number of pending requests
*/
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_recv_ids;
/**
* Pending operation on that peer
*/
const struct OpListEntry *entry_op_manage;
/**
* Testbed operation to connect to statistics service
*/
struct GNUNET_TESTBED_Operation *stat_op;
/**
* Handle to the statistics service
*/
struct GNUNET_STATISTICS_Handle *stats_h;
/**
* @brief flags to indicate which statistics values have been already
* collected from the statistics service.
* Used to check whether we are able to shutdown.
*/
uint32_t stat_collected_flags;
/**
* @brief File name of the file the stats are finally written to
*/
const char *file_name_stats;
/**
* @brief File name of the file the stats are finally written to
*/
const char *file_name_probs;
/**
* @brief The current view
*/
struct GNUNET_PeerIdentity *cur_view;
/**
* @brief Number of peers in the #cur_view.
*/
uint32_t cur_view_count;
/**
* @brief Number of occurrences in other peer's view
*/
uint32_t count_in_views;
/**
* @brief statistics values
*/
uint64_t num_rounds;
uint64_t num_blocks;
uint64_t num_blocks_many_push;
uint64_t num_blocks_no_push;
uint64_t num_blocks_no_pull;
uint64_t num_blocks_many_push_no_pull;
uint64_t num_blocks_no_push_no_pull;
uint64_t num_issued_push;
uint64_t num_issued_pull_req;
uint64_t num_issued_pull_rep;
uint64_t num_sent_push;
uint64_t num_sent_pull_req;
uint64_t num_sent_pull_rep;
uint64_t num_recv_push;
uint64_t num_recv_pull_req;
uint64_t num_recv_pull_rep;
};
enum STAT_TYPE
{
STAT_TYPE_ROUNDS = 0x1, /* 1 */
STAT_TYPE_BLOCKS = 0x2, /* 2 */
STAT_TYPE_BLOCKS_MANY_PUSH = 0x4, /* 3 */
STAT_TYPE_BLOCKS_NO_PUSH = 0x8, /* 4 */
STAT_TYPE_BLOCKS_NO_PULL = 0x10, /* 5 */
STAT_TYPE_BLOCKS_MANY_PUSH_NO_PULL = 0x20, /* 6 */
STAT_TYPE_BLOCKS_NO_PUSH_NO_PULL = 0x40, /* 7 */
STAT_TYPE_ISSUED_PUSH_SEND = 0x80, /* 8 */
STAT_TYPE_ISSUED_PULL_REQ = 0x100, /* 9 */
STAT_TYPE_ISSUED_PULL_REP = 0x200, /* 10 */
STAT_TYPE_SENT_PUSH_SEND = 0x400, /* 11 */
STAT_TYPE_SENT_PULL_REQ = 0x800, /* 12 */
STAT_TYPE_SENT_PULL_REP = 0x1000, /* 13 */
STAT_TYPE_RECV_PUSH_SEND = 0x2000, /* 14 */
STAT_TYPE_RECV_PULL_REQ = 0x4000, /* 15 */
STAT_TYPE_RECV_PULL_REP = 0x8000, /* 16 */
STAT_TYPE_MAX = 0x80000000, /* 32 */
};
struct STATcls
{
struct RPSPeer *rps_peer;
enum STAT_TYPE stat_type;
};
/**
* Information for all the peers.
*/
static struct RPSPeer *rps_peers;
/**
* Peermap to get the index of a given peer ID quick.
*/
static struct GNUNET_CONTAINER_MultiPeerMap *peer_map;
/**
* IDs of the peers.
*/
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 unsigned int num_peers_online;
/**
* @brief The added sizes of the peer's views
*/
static unsigned int view_sizes;
/**
* Return value from 'main'.
*/
static int ok;
/**
* Identifier for the churn task that runs periodically
*/
static struct GNUNET_SCHEDULER_Task *post_test_task;
/**
* Identifier for the churn task that runs periodically
*/
static struct GNUNET_SCHEDULER_Task *shutdown_task;
/**
* 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);
/**
* @brief Called directly after connecting to the service
*
* @param rps_peer Specific peer the function is called on
* @param h the handle to the rps service
*/
typedef void (*PreTest) (struct RPSPeer *rps_peer, struct GNUNET_RPS_Handle *h);
/**
* @brief Executes functions to test the api/service for a given peer
*
* Called from within #rps_connect_complete_cb ()
* Implemented by #churn_test_cb, #profiler_cb, #mal_cb, #single_req_cb,
* #delay_req_cb, #seed_big_cb, #single_peer_seed_cb, #seed_cb, #req_cancel_cb
*
* @param rps_peer the peer the task runs on
*/
typedef void (*MainTest) (struct RPSPeer *rps_peer);
/**
* Callback called once the requested random peers are available
*/
typedef void (*ReplyHandle) (void *cls,
uint64_t n,
const struct GNUNET_PeerIdentity *recv_peers);
/**
* Called directly before disconnecting from the service
*/
typedef void (*PostTest) (struct RPSPeer *peer);
/**
* Function called after disconnect to evaluate test success
*/
typedef int (*EvaluationCallback) (void);
/**
* @brief Do we have Churn?
*/
enum OPTION_CHURN
{
/**
* @brief If we have churn this is set
*/
HAVE_CHURN,
/**
* @brief If we have no churn this is set
*/
HAVE_NO_CHURN,
};
/**
* @brief Is it ok to quit the test before the timeout?
*/
enum OPTION_QUICK_QUIT
{
/**
* @brief It is ok for the test to quit before the timeout triggers
*/
HAVE_QUICK_QUIT,
/**
* @brief It is NOT ok for the test to quit before the timeout triggers
*/
HAVE_NO_QUICK_QUIT,
};
/**
* @brief Do we collect statistics at the end?
*/
enum OPTION_COLLECT_STATISTICS
{
/**
* @brief We collect statistics at the end
*/
COLLECT_STATISTICS,
/**
* @brief We do not collect statistics at the end
*/
NO_COLLECT_STATISTICS,
};
/**
* @brief Do we collect views during run?
*/
enum OPTION_COLLECT_VIEW
{
/**
* @brief We collect view during run
*/
COLLECT_VIEW,
/**
* @brief We do not collect the view during run
*/
NO_COLLECT_VIEW,
};
/**
* Structure to define a single test
*/
struct SingleTestRun
{
/**
* Name of the test
*/
char *name;
/**
* Called with a single peer in order to initialise that peer
*/
InitPeer init_peer;
/**
* Called directly after connecting to the service
*/
PreTest pre_test;
/**
* Main function for each peer
*/
MainTest main_test;
/**
* Callback called once the requested peers are available
*/
ReplyHandle reply_handle;
/**
* Called directly before disconnecting from the service
*/
PostTest post_test;
/**
* Function to evaluate the test results
*/
EvaluationCallback eval_cb;
/**
* Request interval
*/
uint32_t request_interval;
/**
* Number of Requests to make.
*/
uint32_t num_requests;
/**
* Run with (-out) churn
*/
enum OPTION_CHURN have_churn;
/**
* Quit test before timeout?
*/
enum OPTION_QUICK_QUIT have_quick_quit;
/**
* Collect statistics at the end?
*/
enum OPTION_COLLECT_STATISTICS have_collect_statistics;
/**
* Collect view during run?
*/
enum OPTION_COLLECT_VIEW have_collect_view;
/**
* @brief Mark which values from the statistics service to collect at the end
* of the run
*/
uint32_t stat_collect_flags;
} cur_test_run;
/**
* Did we finish the test?
*/
static int post_test;
/**
* Are we shutting down?
*/
static int in_shutdown;
/**
* Append arguments to file
*/
static void
tofile_ (const char *file_name, const char *line)
{
struct GNUNET_DISK_FileHandle *f;
/* char output_buffer[512]; */
size_t size;
/* int size; */
size_t size2;
if (NULL == (f = GNUNET_DISK_file_open (file_name,
GNUNET_DISK_OPEN_APPEND
| GNUNET_DISK_OPEN_WRITE
| GNUNET_DISK_OPEN_CREATE,
GNUNET_DISK_PERM_USER_READ
| GNUNET_DISK_PERM_USER_WRITE
| GNUNET_DISK_PERM_GROUP_READ
| GNUNET_DISK_PERM_OTHER_READ)))
{
GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
"Not able to open file %s\n",
file_name);
return;
}
/* size = GNUNET_snprintf (output_buffer,
sizeof (output_buffer),
"%llu %s\n",
GNUNET_TIME_absolute_get ().abs_value_us,
line);
if (0 > size)
{
GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
"Failed to write string to buffer (size: %i)\n",
size);
return;
} */size = strlen (line) * sizeof(char);
size2 = GNUNET_DISK_file_write (f, line, size);
if (size != size2)
{
GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
"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");
}
}
/**
* This function is used to facilitate writing important information to disk
*/
#define tofile(file_name, ...) do { \
char tmp_buf[512]; \
int size; \
size = GNUNET_snprintf (tmp_buf, sizeof(tmp_buf), __VA_ARGS__); \
if (0 > size) \
GNUNET_log (GNUNET_ERROR_TYPE_WARNING, \
"Failed to create tmp_buf\n"); \
else \
tofile_ (file_name, tmp_buf); \
} while (0);
/**
* Write the ids and their according index in the given array to a file
* Unused
*/
/* static void
ids_to_file (char *file_name,
struct GNUNET_PeerIdentity *peer_ids,
unsigned int num_peer_ids)
{
unsigned int i;
for (i=0 ; i < num_peer_ids ; i++)
{
to_file (file_name,
"%u\t%s",
i,
GNUNET_i2s_full (&peer_ids[i]));
}
} */
/**
* Task run on timeout to collect statistics and potentially shut down.
*/
static void
post_test_op (void *cls);
/**
* Test the success of a single test
*/
static int
evaluate (void)
{
unsigned int i;
int tmp_ok;
tmp_ok = 1;
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 (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;
}
/**
* Creates an oplist entry and adds it to the oplist DLL
*/
static struct OpListEntry *
make_oplist_entry ()
{
struct OpListEntry *entry;
entry = GNUNET_new (struct OpListEntry);
GNUNET_CONTAINER_DLL_insert_tail (oplist_head, oplist_tail, entry);
return entry;
}
/**
* @brief Checks if given peer already received its statistics value from the
* statistics service.
*
* @param rps_peer the peer to check for
*
* @return #GNUNET_YES if so
* #GNUNET_NO otherwise
*/
static int
check_statistics_collect_completed_single_peer (
const struct RPSPeer *rps_peer)
{
if (cur_test_run.stat_collect_flags !=
(cur_test_run.stat_collect_flags
& rps_peer->stat_collected_flags))
{
return GNUNET_NO;
}
return GNUNET_YES;
}
/**
* @brief Checks if all peers already received their statistics value from the
* statistics service.
*
* @return #GNUNET_YES if so
* #GNUNET_NO otherwise
*/
static int
check_statistics_collect_completed ()
{
uint32_t i;
for (i = 0; i < num_peers; i++)
{
if (GNUNET_NO == check_statistics_collect_completed_single_peer (
&rps_peers[i]))
{
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
"At least Peer %" PRIu32
" did not yet receive all statistics values\n",
i);
return GNUNET_NO;
}
}
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
"All peers received their statistics values\n");
return GNUNET_YES;
}
/**
* Task run on timeout to shut everything down.
*/
static void
shutdown_op (void *cls)
{
unsigned int i;
(void) cls;
GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
"Shutdown task scheduled, going down.\n");
in_shutdown = GNUNET_YES;
if (NULL != post_test_task)
{
GNUNET_SCHEDULER_cancel (post_test_task);
post_test_op (NULL);
}
if (NULL != churn_task)
{
GNUNET_SCHEDULER_cancel (churn_task);
churn_task = NULL;
}
for (i = 0; i < num_peers; i++)
{
if (NULL != rps_peers[i].rps_handle)
{
GNUNET_RPS_disconnect (rps_peers[i].rps_handle);
}
if (NULL != rps_peers[i].op)
{
GNUNET_TESTBED_operation_done (rps_peers[i].op);
}
}
}
/**
* Task run on timeout to collect statistics and potentially shut down.
*/
static void
post_test_op (void *cls)
{
unsigned int i;
(void) cls;
post_test_task = NULL;
post_test = GNUNET_YES;
GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
"Post test task scheduled, going down.\n");
if (NULL != churn_task)
{
GNUNET_SCHEDULER_cancel (churn_task);
churn_task = NULL;
}
for (i = 0; i < num_peers; i++)
{
if (NULL != cur_test_run.post_test)
{
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Executing post_test for peer %u\n",
i);
cur_test_run.post_test (&rps_peers[i]);
}
if (NULL != rps_peers[i].op)
{
GNUNET_TESTBED_operation_done (rps_peers[i].op);
rps_peers[i].op = NULL;
}
}
/* If we do not collect statistics, shut down directly */
if ((NO_COLLECT_STATISTICS == cur_test_run.have_collect_statistics) ||
(GNUNET_YES == check_statistics_collect_completed ()) )
{
GNUNET_SCHEDULER_shutdown ();
}
}
/**
* Seed peers.
*/
static void
seed_peers (void *cls)
{
struct RPSPeer *peer = cls;
unsigned int amount;
unsigned int i;
if ((GNUNET_YES == in_shutdown) || (GNUNET_YES == post_test))
{
return;
}
GNUNET_assert (NULL != peer->rps_handle);
// TODO if malicious don't seed mal peers
amount = round (.5 * num_peers);
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Seeding peers:\n");
for (i = 0; i < amount; i++)
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Seeding %u. peer: %s\n",
i,
GNUNET_i2s (&rps_peer_ids[i]));
GNUNET_RPS_seed_ids (peer->rps_handle, amount, rps_peer_ids);
}
/**
* 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_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.
*/
void
info_cb (void *cb_cls,
struct GNUNET_TESTBED_Operation *op,
const struct GNUNET_TESTBED_PeerInformation *pinfo,
const char *emsg)
{
struct OpListEntry *entry = (struct OpListEntry *) cb_cls;
(void) op;
if ((GNUNET_YES == in_shutdown) || (GNUNET_YES == post_test))
{
return;
}
if ((NULL == pinfo) || (NULL != emsg))
{
GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "Got Error: %s\n", emsg);
GNUNET_TESTBED_operation_done (entry->op);
return;
}
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
"Peer %u is %s\n",
entry->index,
GNUNET_i2s (pinfo->result.id));
rps_peer_ids[entry->index] = *(pinfo->result.id);
rps_peers[entry->index].peer_id = &rps_peer_ids[entry->index];
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_CONTAINER_DLL_remove (oplist_head, oplist_tail, entry);
GNUNET_TESTBED_operation_done (entry->op);
GNUNET_free (entry);
}
/**
* Callback to be called when RPS service connect operation is completed
*
* @param cls the callback closure from functions generating an operation
* @param op the operation that has been finished
* @param ca_result the RPS service handle returned from rps_connect_adapter
* @param emsg error message in case the operation has failed; will be NULL if
* operation has executed successfully.
*/
static void
rps_connect_complete_cb (void *cls,
struct GNUNET_TESTBED_Operation *op,
void *ca_result,
const char *emsg)
{
struct RPSPeer *rps_peer = cls;
struct GNUNET_RPS_Handle *rps = ca_result;
GNUNET_assert (NULL != ca_result);
if ((GNUNET_YES == in_shutdown) || (GNUNET_YES == post_test))
{
return;
}
rps_peer->rps_handle = rps;
rps_peer->online = GNUNET_YES;
num_peers_online++;
GNUNET_assert (op == rps_peer->op);
if (NULL != emsg)
{
GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
"Failed to connect to RPS service: %s\n",
emsg);
ok = 1;
GNUNET_SCHEDULER_shutdown ();
return;
}
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Started client successfully\n");
cur_test_run.main_test (rps_peer);
}
/**
* Adapter function called to establish a connection to
* the RPS service.
*
* @param cls closure
* @param cfg configuration of the peer to connect to; will be available until
* GNUNET_TESTBED_operation_done() is called on the operation returned
* from GNUNET_TESTBED_service_connect()
* @return service handle to return in 'op_result', NULL on error
*/
static void *
rps_connect_adapter (void *cls,
const struct GNUNET_CONFIGURATION_Handle *cfg)
{
struct GNUNET_RPS_Handle *h;
h = GNUNET_RPS_connect (cfg);
GNUNET_assert (NULL != h);
if (NULL != cur_test_run.pre_test)
cur_test_run.pre_test (cls, h);
GNUNET_assert (NULL != h);
return h;
}
/**
* Called to open a connection to the peer's statistics
*
* @param cls peer context
* @param cfg configuration of the peer to connect to; will be available until
* GNUNET_TESTBED_operation_done() is called on the operation returned
* from GNUNET_TESTBED_service_connect()
* @return service handle to return in 'op_result', NULL on error
*/
static void *
stat_connect_adapter (void *cls,
const struct GNUNET_CONFIGURATION_Handle *cfg)
{
struct RPSPeer *peer = cls;
peer->stats_h = GNUNET_STATISTICS_create ("rps-profiler", cfg);
return peer->stats_h;
}
/**
* Called to disconnect from peer's statistics service
*
* @param cls peer context
* @param op_result service handle returned from the connect adapter
*/
static void
stat_disconnect_adapter (void *cls, void *op_result)
{
struct RPSPeer *peer = cls;
// GNUNET_break (GNUNET_OK == GNUNET_STATISTICS_watch_cancel
// (peer->stats_h, "core", "# peers connected",
// stat_iterator, peer));
// GNUNET_break (GNUNET_OK == GNUNET_STATISTICS_watch_cancel
// (peer->stats_h, "nse", "# peers connected",
// stat_iterator, peer));
GNUNET_STATISTICS_destroy (op_result, GNUNET_NO);
peer->stats_h = NULL;
}
/**
* Called after successfully opening a connection to a peer's statistics
* service; we register statistics monitoring for CORE and NSE here.
*
* @param cls the callback closure from functions generating an operation
* @param op the operation that has been finished
* @param ca_result the service handle returned from GNUNET_TESTBED_ConnectAdapter()
* @param emsg error message in case the operation has failed; will be NULL if
* operation has executed successfully.
*/
static void
stat_complete_cb (void *cls, struct GNUNET_TESTBED_Operation *op,
void *ca_result, const char *emsg)
{
// struct GNUNET_STATISTICS_Handle *sh = ca_result;
// struct RPSPeer *peer = (struct RPSPeer *) cls;
(void) cls;
(void) op;
(void) ca_result;
if (NULL != emsg)
{
GNUNET_break (0);
return;
}
// GNUNET_break (GNUNET_OK == GNUNET_STATISTICS_watch
// (sh, "core", "# peers connected",
// stat_iterator, peer));
// GNUNET_break (GNUNET_OK == GNUNET_STATISTICS_watch
// (sh, "nse", "# peers connected",
// stat_iterator, peer));
}
/**
* Adapter function called to destroy connection to
* RPS service.
*
* @param cls closure
* @param op_result service handle returned from the connect adapter
*/
static void
rps_disconnect_adapter (void *cls,
void *op_result)
{
struct RPSPeer *peer = cls;
struct GNUNET_RPS_Handle *h = op_result;
if (NULL != peer->rps_srh)
{
GNUNET_RPS_stream_cancel (peer->rps_srh);
peer->rps_srh = NULL;
}
GNUNET_assert (NULL != peer);
GNUNET_RPS_disconnect (h);
peer->rps_handle = NULL;
}
/***********************************************************************
* Definition of tests
***********************************************************************/
// TODO check whether tests can be stopped earlier
static int
default_eval_cb (void)
{
return evaluate ();
}
static int
no_eval (void)
{
return 0;
}
/**
* Initialise given RPSPeer
*/
static void
default_init_peer (struct RPSPeer *rps_peer)
{
rps_peer->num_ids_to_request = 1;
}
/**
* Callback to call on receipt of a reply
*
* @param cls closure
* @param n number of peers
* @param recv_peers the received peers
*/
static void
default_reply_handle (void *cls,
uint64_t n,
const struct GNUNET_PeerIdentity *recv_peers)
{
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++)
{
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
"%u: %s\n",
i,
GNUNET_i2s (&recv_peers[i]));
rps_peer->num_recv_ids++;
}
if ((0 == evaluate ()) && (HAVE_QUICK_QUIT == cur_test_run.have_quick_quit))
{
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Test succeeded before timeout\n");
GNUNET_assert (NULL != post_test_task);
GNUNET_SCHEDULER_cancel (post_test_task);
post_test_task = GNUNET_SCHEDULER_add_now (&post_test_op, NULL);
GNUNET_assert (NULL != post_test_task);
}
}
/**
* Request random peers.
*/
static void
request_peers (void *cls)
{
struct PendingRequest *pending_req = cls;
struct RPSPeer *rps_peer;
struct PendingReply *pending_rep;
if ((GNUNET_YES == in_shutdown) || (GNUNET_YES == post_test))
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--;
}
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) || (GNUNET_YES == post_test))
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;
}
/**
* @brief Set peers to (non-)malicious before execution
*
* Of signature #PreTest
*
* @param rps_peer the peer to set (non-) malicious
* @param h the handle to the service
*/
static void
mal_pre (struct RPSPeer *rps_peer, struct GNUNET_RPS_Handle *h)
{
#if ENABLE_MALICIOUS
uint32_t num_mal_peers;
GNUNET_assert ((1 >= portion) &&
(0 < portion));
num_mal_peers = round (portion * num_peers);
if (rps_peer->index < num_mal_peers)
{
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
"%u. peer [%s] of %" PRIu32
" malicious peers turning malicious\n",
rps_peer->index,
GNUNET_i2s (rps_peer->peer_id),
num_mal_peers);
GNUNET_RPS_act_malicious (h, mal_type, num_mal_peers,
rps_peer_ids, target_peer);
}
#endif /* ENABLE_MALICIOUS */
}
static void
mal_cb (struct RPSPeer *rps_peer)
{
uint32_t num_mal_peers;
if ((GNUNET_YES == in_shutdown) || (GNUNET_YES == post_test))
{
return;
}
#if ENABLE_MALICIOUS
GNUNET_assert ((1 >= portion) &&
(0 < portion));
num_mal_peers = round (portion * num_peers);
if (rps_peer->index >= num_mal_peers)
{ /* It's useless to ask a malicious peer about a random sample -
it's not sampling */
GNUNET_SCHEDULER_add_delayed (GNUNET_TIME_relative_multiply (
GNUNET_TIME_UNIT_SECONDS, 2),
seed_peers, rps_peer);
schedule_missing_requests (rps_peer);
}
#endif /* ENABLE_MALICIOUS */
}
/***********************************
* SINGLE_REQUEST
***********************************/
static void
single_req_cb (struct RPSPeer *rps_peer)
{
if ((GNUNET_YES == in_shutdown) || (GNUNET_YES == post_test))
{
return;
}
schedule_missing_requests (rps_peer);
}
/***********************************
* DELAYED_REQUESTS
***********************************/
static void
delay_req_cb (struct RPSPeer *rps_peer)
{
if ((GNUNET_YES == in_shutdown) || (GNUNET_YES == post_test))
{
return;
}
schedule_missing_requests (rps_peer);
}
/***********************************
* SEED
***********************************/
static void
seed_cb (struct RPSPeer *rps_peer)
{
if ((GNUNET_YES == in_shutdown) || (GNUNET_YES == post_test))
{
return;
}
GNUNET_SCHEDULER_add_delayed (
GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_SECONDS, 10),
seed_peers, rps_peer);
}
/***********************************
* SEED_BIG
***********************************/
static void
seed_big_cb (struct RPSPeer *rps_peer)
{
if ((GNUNET_YES == in_shutdown) || (GNUNET_YES == post_test))
{
return;
}
// TODO test seeding > GNUNET_MAX_MESSAGE_SIZE peers
GNUNET_SCHEDULER_add_delayed (
GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_SECONDS, 2),
seed_peers_big, rps_peer);
}
/***********************************
* SINGLE_PEER_SEED
***********************************/
static void
single_peer_seed_cb (struct RPSPeer *rps_peer)
{
(void) rps_peer;
// TODO
}
/***********************************
* SEED_REQUEST
***********************************/
static void
seed_req_cb (struct RPSPeer *rps_peer)
{
if ((GNUNET_YES == in_shutdown) || (GNUNET_YES == post_test))
{
return;
}
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
/***********************************
* REQUEST_CANCEL
***********************************/
static void
req_cancel_cb (struct RPSPeer *rps_peer)
{
if ((GNUNET_YES == in_shutdown) || (GNUNET_YES == post_test))
{
return;
}
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);
}
/***********************************
* CHURN
***********************************/
static void
churn (void *cls);
/**
* @brief Starts churn
*
* Has signature of #MainTest
*
* This is not implemented too nicely as this is called for each peer, but we
* only need to call it once. (Yes we check that we only schedule the task
* once.)
*
* @param rps_peer The peer it's called for
*/
static void
churn_test_cb (struct RPSPeer *rps_peer)
{
if ((GNUNET_YES == in_shutdown) || (GNUNET_YES == post_test))
{
return;
}
/* Start churn */
if ((HAVE_CHURN == cur_test_run.have_churn) && (NULL == churn_task))
{
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
"Starting churn task\n");
churn_task = GNUNET_SCHEDULER_add_delayed (
GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_SECONDS, 5),
churn,
NULL);
}
else
{
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
"Not starting churn task\n");
}
schedule_missing_requests (rps_peer);
}
/***********************************
* SUB
***********************************/
static void
got_stream_peer_cb (void *cls,
uint64_t num_peers,
const struct GNUNET_PeerIdentity *peers)
{
const struct RPSPeer *rps_peer = cls;
for (uint64_t i = 0; i < num_peers; i++)
{
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
"Peer %" PRIu32 " received [%s] from stream.\n",
rps_peer->index,
GNUNET_i2s (&peers[i]));
if ((0 != rps_peer->index) &&
(0 == memcmp (&peers[i],
&rps_peers[0].peer_id,
sizeof(struct GNUNET_PeerIdentity))))
{
GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
"Received a peer id outside sub\n");
ok = 1;
}
else if ((0 == rps_peer->index) &&
(0 != memcmp (&peers[i],
&rps_peers[0].peer_id,
sizeof(struct GNUNET_PeerIdentity))))
{
GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
"Received a peer id outside sub (lonely)\n");
ok = 1;
}
}
}
static void
sub_post (struct RPSPeer *rps_peer)
{
if (0 != rps_peer->index)
GNUNET_RPS_sub_stop (rps_peer->rps_handle, "test");
else
GNUNET_RPS_sub_stop (rps_peer->rps_handle, "lonely");
}
static void
sub_pre (struct RPSPeer *rps_peer, struct GNUNET_RPS_Handle *h)
{
(void) rps_peer;
if (0 != rps_peer->index)
GNUNET_RPS_sub_start (h, "test");
else
GNUNET_RPS_sub_start (h, "lonely"); /* have a group of one */
rps_peer->rps_srh = GNUNET_RPS_stream_request (h,
&got_stream_peer_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)
{
(void) op;
// FIXME
struct OpListEntry *entry = cls;
if ((GNUNET_YES == in_shutdown) || (GNUNET_YES == post_test))
{
return;
}
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 (PEER_GO_OFFLINE == 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 (PEER_GO_ONLINE < 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;
}
else
{
GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
"Invalid value for delta: %i\n", entry->delta);
GNUNET_break (0);
}
GNUNET_CONTAINER_DLL_remove (oplist_head, oplist_tail, entry);
rps_peers[entry->index].entry_op_manage = NULL;
GNUNET_free (entry);
// if (num_peers_in_round[current_round] == peers_running)
// run_round ();
}
/**
* @brief Set the rps-service up or down for a specific peer
*
* @param i index of action
* @param j index of peer
* @param delta (#PEER_ONLINE_DELTA) down (-1) or up (1)
* @param prob_go_on_off the probability of the action
*/
static void
manage_service_wrapper (unsigned int i, unsigned int j,
enum PEER_ONLINE_DELTA delta,
double prob_go_on_off)
{
struct OpListEntry *entry = NULL;
uint32_t prob;
/* make sure that management operation is not already scheduled */
if (NULL != rps_peers[j].entry_op_manage)
{
return;
}
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),
(PEER_GO_ONLINE == 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),
(PEER_GO_OFFLINE == delta) ? "offline" : "online");
if (PEER_GO_OFFLINE == 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,
(PEER_GO_OFFLINE == delta) ?
0 : 1);
rps_peers[j].entry_op_manage = entry;
}
}
static void
churn (void *cls)
{
(void) cls;
unsigned int i;
unsigned int j;
double portion_online;
unsigned int *permut;
double prob_go_offline;
double portion_go_online;
double portion_go_offline;
if ((GNUNET_YES == in_shutdown) || (GNUNET_YES == post_test))
{
return;
}
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
"Churn function executing\n");
churn_task = NULL; /* Should be invalid by now */
/* Compute the probability for an online peer to go offline
* this round */
portion_online = num_peers_online * 1.0 / num_peers;
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
"Portion online: %f\n",
portion_online);
portion_go_online = ((1 - portion_online) * .5 * .66);
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
"Portion that should go online: %f\n",
portion_go_online);
portion_go_offline = (portion_online + portion_go_online) - .75;
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
"Portion that probably goes offline: %f\n",
portion_go_offline);
prob_go_offline = portion_go_offline / (portion_online * .5);
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
"Probability of a selected online peer to go offline: %f\n",
prob_go_offline);
permut = GNUNET_CRYPTO_random_permute (GNUNET_CRYPTO_QUALITY_WEAK,
(unsigned int) num_peers);
/* Go over 50% randomly chosen peers */
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)
{
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);
churn_task = GNUNET_SCHEDULER_add_delayed (
GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_SECONDS, 2),
churn,
NULL);
}
/**
* Initialise given RPSPeer
*/
static void
profiler_init_peer (struct RPSPeer *rps_peer)
{
if (num_peers - 1 == rps_peer->index)
rps_peer->num_ids_to_request = cur_test_run.num_requests;
}
/**
* Callback to call on receipt of a reply
*
* @param cls closure
* @param n number of peers
* @param recv_peers the received peers
*/
static void
profiler_reply_handle (void *cls,
uint64_t n,
const struct GNUNET_PeerIdentity *recv_peers)
{
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++)
{
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
"%u: %s\n",
i,
GNUNET_i2s (&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)
{
if ((GNUNET_YES == in_shutdown) || (GNUNET_YES == post_test))
{
return;
}
/* Start churn */
if ((HAVE_CHURN == cur_test_run.have_churn) && (NULL == churn_task))
{
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
"Starting churn task\n");
churn_task = GNUNET_SCHEDULER_add_delayed (
GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_SECONDS, 5),
churn,
NULL);
}
else
{
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
"Not starting churn task\n");
}
/* Only request peer ids at one peer.
* (It's the before-last because last one is target of the focussed attack.)
*/
if (eval_peer == rps_peer)
schedule_missing_requests (rps_peer);
}
/**
* Function called from #profiler_eval with a filename.
*
* @param cls closure
* @param filename complete filename (absolute path)
* @return #GNUNET_OK to continue to iterate,
* #GNUNET_NO to stop iteration with no error,
* #GNUNET_SYSERR to abort iteration with error!
*/
int
file_name_cb (void *cls, const char *filename)
{
(void) cls;
if (NULL != strstr (filename, "sampler_el"))
{
struct RPS_SamplerElement *s_elem;
struct GNUNET_CRYPTO_AuthKey auth_key;
const char *key_char;
uint32_t i;
key_char = filename + 20; /* Length of "/tmp/rps/sampler_el-" */
tofile (filename, "--------------------------\n");
auth_key = string_to_auth_key (key_char);
s_elem = RPS_sampler_elem_create ();
RPS_sampler_elem_set (s_elem, auth_key);
for (i = 0; i < num_peers; i++)
{
RPS_sampler_elem_next (s_elem, &rps_peer_ids[i]);
}
RPS_sampler_elem_destroy (s_elem);
}
return GNUNET_OK;
}
/**
* This is run after the test finished.
*
* Compute all perfect samples.
*/
int
profiler_eval (void)
{
/* Compute perfect sample for each sampler element */
if (-1 == GNUNET_DISK_directory_scan ("/tmp/rps/", file_name_cb, NULL))
{
GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "Scan of directory failed\n");
}
return evaluate ();
}
/**
* @brief is b in view of a?
*
* @param a
* @param b
*
* @return
*/
static int
is_in_view (uint32_t a, uint32_t b)
{
uint32_t i;
for (i = 0; i < rps_peers[a].cur_view_count; i++)
{
if (0 == memcmp (rps_peers[b].peer_id,
&rps_peers[a].cur_view[i],
sizeof(struct GNUNET_PeerIdentity)))
{
return GNUNET_YES;
}
}
return GNUNET_NO;
}
static uint32_t
get_idx_of_pid (const struct GNUNET_PeerIdentity *pid)
{
uint32_t i;
for (i = 0; i < num_peers; i++)
{
if (0 == memcmp (pid,
rps_peers[i].peer_id,
sizeof(struct GNUNET_PeerIdentity)))
{
return i;
}
}
// return 0; /* Should not happen - make compiler happy */
GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
"No known _PeerIdentity %s!\n",
GNUNET_i2s_full (pid));
GNUNET_assert (0);
}
/**
* @brief Counts number of peers in view of a that have b in their view
*
* @param a
* @param uint32_tb
*
* @return
*/
static uint32_t
count_containing_views (uint32_t a, uint32_t b)
{
uint32_t i;
uint32_t peer_idx;
uint32_t count = 0;
for (i = 0; i < rps_peers[a].cur_view_count; i++)
{
peer_idx = get_idx_of_pid (&rps_peers[a].cur_view[i]);
if (GNUNET_YES == is_in_view (peer_idx, b))
{
count++;
}
}
return count;
}
/**
* @brief Computes the probability for each other peer to be selected by the
* sampling process based on the views of all peers
*
* @param peer_idx index of the peer that is about to sample
*/
static void
compute_probabilities (uint32_t peer_idx)
{
// double probs[num_peers] = { 0 };
double probs[num_peers];
size_t probs_as_str_size = (num_peers * 10 + 1) * sizeof(char);
char *probs_as_str = GNUNET_malloc (probs_as_str_size);
char *probs_as_str_cpy;
uint32_t i;
double prob_push;
double prob_pull;
uint32_t view_size;
uint32_t cont_views;
uint32_t number_of_being_in_pull_events;
int tmp;
uint32_t count_non_zero_prob = 0;
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
"Computing probabilities for peer %" PRIu32 "\n", peer_idx);
/* Firstly without knowledge of old views */
for (i = 0; i < num_peers; i++)
{
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
"\tfor peer %" PRIu32 ":\n", i);
view_size = rps_peers[i].cur_view_count;
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
"\t\tview_size: %" PRIu32 "\n", view_size);
/* For peer i the probability of being sampled is
* evenly distributed among all possibly observed peers. */
/* We could have observed a peer in three cases:
* 1. peer sent a push
* 2. peer was contained in a pull reply
* 3. peer was in history (sampler) - ignored for now */
/* 1. Probability of having received a push from peer i */
if ((GNUNET_YES == is_in_view (i, peer_idx)) &&
(1 <= (0.45 * view_size)))
{
prob_push = 1.0 * binom (0.45 * view_size, 1)
/
binom (view_size, 0.45 * view_size);
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
"\t\t%" PRIu32 " is in %" PRIu32 "'s view, prob: %f\n",
peer_idx,
i,
prob_push);
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
"\t\tposs choices from view: %" PRIu32 ", containing i: %"
PRIu32 "\n",
binom (view_size, 0.45 * view_size),
binom (0.45 * view_size, 1));
}
else
{
prob_push = 0;
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
"\t\t%" PRIu32 " is not in %" PRIu32 "'s view, prob: 0\n",
peer_idx,
i);
}
/* 2. Probability of peer i being contained in pulls */
view_size = rps_peers[peer_idx].cur_view_count;
cont_views = count_containing_views (peer_idx, i);
number_of_being_in_pull_events =
(binom (view_size, 0.45 * view_size)
- binom (view_size - cont_views, 0.45 * view_size));
if (0 != number_of_being_in_pull_events)
{
prob_pull = number_of_being_in_pull_events
/
(1.0 * binom (view_size, 0.45 * view_size));
}
else
{
prob_pull = 0;
}
probs[i] = prob_push + prob_pull - (prob_push * prob_pull);
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
"\t\t%" PRIu32 " has %" PRIu32 " of %" PRIu32
" peers in its view who know %" PRIu32 " prob: %f\n",
peer_idx,
cont_views,
view_size,
i,
prob_pull);
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
"\t\tnumber of possible pull combinations: %" PRIu32 "\n",
binom (view_size, 0.45 * view_size));
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
"\t\tnumber of possible pull combinations without %" PRIu32
": %" PRIu32 "\n",
i,
binom (view_size - cont_views, 0.45 * view_size));
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
"\t\tnumber of possible pull combinations with %" PRIu32
": %" PRIu32 "\n",
i,
number_of_being_in_pull_events);
if (0 != probs[i])
count_non_zero_prob++;
}
/* normalize */
if (0 != count_non_zero_prob)
{
for (i = 0; i < num_peers; i++)
{
probs[i] = probs[i] * (1.0 / count_non_zero_prob);
}
}
else
{
for (i = 0; i < num_peers; i++)
{
probs[i] = 0;
}
}
/* str repr */
for (i = 0; i < num_peers; i++)
{
probs_as_str_cpy = GNUNET_strndup (probs_as_str, probs_as_str_size);
tmp = GNUNET_snprintf (probs_as_str,
probs_as_str_size,
"%s %7.6f", probs_as_str_cpy, probs[i]);
GNUNET_free (probs_as_str_cpy);
GNUNET_assert (0 <= tmp);
}
to_file_w_len (rps_peers[peer_idx].file_name_probs,
probs_as_str_size,
probs_as_str);
GNUNET_free (probs_as_str);
}
/**
* @brief This counts the number of peers in which views a given peer occurs.
*
* It also stores this value in the rps peer.
*
* @param peer_idx the index of the peer to count the representation
*
* @return the number of occurrences
*/
static uint32_t
count_peer_in_views_2 (uint32_t peer_idx)
{
uint32_t i, j;
uint32_t count = 0;
for (i = 0; i < num_peers; i++) /* Peer in which view is counted */
{
for (j = 0; j < rps_peers[i].cur_view_count; j++) /* entry in view */
{
if (0 == memcmp (rps_peers[peer_idx].peer_id,
&rps_peers[i].cur_view[j],
sizeof(struct GNUNET_PeerIdentity)))
{
count++;
break;
}
}
}
rps_peers[peer_idx].count_in_views = count;
return count;
}
static uint32_t
cumulated_view_sizes ()
{
uint32_t i;
view_sizes = 0;
for (i = 0; i < num_peers; i++) /* Peer in which view is counted */
{
view_sizes += rps_peers[i].cur_view_count;
}
return view_sizes;
}
static void
count_peer_in_views (uint32_t *count_peers)
{
uint32_t i, j;
for (i = 0; i < num_peers; i++) /* Peer in which view is counted */
{
for (j = 0; j < rps_peers[i].cur_view_count; j++) /* entry in view */
{
if (0 == memcmp (rps_peers[i].peer_id,
&rps_peers[i].cur_view[j],
sizeof(struct GNUNET_PeerIdentity)))
{
count_peers[i]++;
}
}
}
}
void
compute_diversity ()
{
uint32_t i;
/* ith entry represents the numer of occurrences in other peer's views */
uint32_t *count_peers = GNUNET_new_array (num_peers, uint32_t);
uint32_t views_total_size;
double expected;
/* deviation from expected number of peers */
double *deviation = GNUNET_new_array (num_peers, double);
views_total_size = 0;
expected = 0;
/* For each peer count its representation in other peer's views*/
for (i = 0; i < num_peers; i++) /* Peer to count */
{
views_total_size += rps_peers[i].cur_view_count;
count_peer_in_views (count_peers);
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
"Counted representation of %" PRIu32 "th peer [%s]: %" PRIu32
"\n",
i,
GNUNET_i2s (rps_peers[i].peer_id),
count_peers[i]);
}
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
"size of all views combined: %" PRIu32 "\n",
views_total_size);
expected = ((double) 1 / num_peers) * views_total_size;
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
"Expected number of occurrences of each peer in all views: %f\n",
expected);
for (i = 0; i < num_peers; i++) /* Peer to count */
{
deviation[i] = expected - count_peers[i];
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
"Deviation from expectation: %f\n", deviation[i]);
}
GNUNET_free (count_peers);
GNUNET_free (deviation);
}
void
print_view_sizes ()
{
uint32_t i;
for (i = 0; i < num_peers; i++) /* Peer to count */
{
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
"View size of %" PRIu32 ". [%s] is %" PRIu32 "\n",
i,
GNUNET_i2s (rps_peers[i].peer_id),
rps_peers[i].cur_view_count);
}
}
void
all_views_updated_cb ()
{
compute_diversity ();
print_view_sizes ();
}
void
view_update_cb (void *cls,
uint64_t view_size,
const struct GNUNET_PeerIdentity *peers)
{
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
"View was updated (%" PRIu64 ")\n", view_size);
struct RPSPeer *rps_peer = (struct RPSPeer *) cls;
to_file ("/tmp/rps/view_sizes.txt",
"%" PRIu64 " %" PRIu32 "",
rps_peer->index,
view_size);
for (int i = 0; i < view_size; i++)
{
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
"\t%s\n", GNUNET_i2s (&peers[i]));
}
GNUNET_array_grow (rps_peer->cur_view,
rps_peer->cur_view_count,
view_size);
// *rps_peer->cur_view = *peers;
GNUNET_memcpy (rps_peer->cur_view,
peers,
view_size * sizeof(struct GNUNET_PeerIdentity));
to_file ("/tmp/rps/count_in_views.txt",
"%" PRIu64 " %" PRIu32 "",
rps_peer->index,
count_peer_in_views_2 (rps_peer->index));
cumulated_view_sizes ();
if (0 != view_size)
{
to_file ("/tmp/rps/repr.txt",
"%" PRIu64 /* index */
" %" PRIu32 /* occurrence in views */
" %" PRIu32 /* view sizes */
" %f" /* fraction of repr in views */
" %f" /* average view size */
" %f" /* prob of occurrence in view slot */
" %f" "", /* exp frac of repr in views */
rps_peer->index,
count_peer_in_views_2 (rps_peer->index),
view_sizes,
count_peer_in_views_2 (rps_peer->index) / (view_size * 1.0), /* fraction of representation in views */
view_sizes / (view_size * 1.0), /* average view size */
1.0 / view_size, /* prob of occurrence in view slot */
(1.0 / view_size) * (view_sizes / view_size) /* expected fraction of repr in views */
);
}
compute_probabilities (rps_peer->index);
all_views_updated_cb ();
}
static void
pre_profiler (struct RPSPeer *rps_peer, struct GNUNET_RPS_Handle *h)
{
rps_peer->file_name_probs =
store_prefix_file_name (rps_peer->peer_id, "probs");
GNUNET_RPS_view_request (h, 0, view_update_cb, rps_peer);
}
void
write_final_stats (void)
{
uint32_t i;
for (i = 0; i < num_peers; i++)
{
to_file ("/tmp/rps/final_stats.dat",
"%" PRIu32 " " /* index */
"%s %" /* id */
PRIu64 " %" /* rounds */
PRIu64 " %" PRIu64 " %" PRIu64 " %" PRIu64 " %" PRIu64 " %" PRIu64
" %" /* blocking */
PRIu64 " %" PRIu64 " %" PRIu64 " %" /* issued */
PRIu64 " %" PRIu64 " %" PRIu64 " %" /* sent */
PRIu64 " %" PRIu64 " %" PRIu64 /* recv */,
i,
GNUNET_i2s (rps_peers[i].peer_id),
rps_peers[i].num_rounds,
rps_peers[i].num_blocks,
rps_peers[i].num_blocks_many_push,
rps_peers[i].num_blocks_no_push,
rps_peers[i].num_blocks_no_pull,
rps_peers[i].num_blocks_many_push_no_pull,
rps_peers[i].num_blocks_no_push_no_pull,
rps_peers[i].num_issued_push,
rps_peers[i].num_issued_pull_req,
rps_peers[i].num_issued_pull_rep,
rps_peers[i].num_sent_push,
rps_peers[i].num_sent_pull_req,
rps_peers[i].num_sent_pull_rep,
rps_peers[i].num_recv_push,
rps_peers[i].num_recv_pull_req,
rps_peers[i].num_recv_pull_rep);
}
}
/**
* Continuation called by #GNUNET_STATISTICS_get() functions.
*
* Remembers that this specific statistics value was received for this peer.
* Checks whether all peers received their statistics yet.
* Issues the shutdown.
*
* @param cls closure
* @param success #GNUNET_OK if statistics were
* successfully obtained, #GNUNET_SYSERR if not.
*/
void
post_test_shutdown_ready_cb (void *cls,
int success)
{
struct STATcls *stat_cls = (struct STATcls *) cls;
struct RPSPeer *rps_peer = stat_cls->rps_peer;
if (GNUNET_OK == success)
{
/* set flag that we we got the value */
rps_peer->stat_collected_flags |= stat_cls->stat_type;
}
else
{
GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
"Peer %u did not receive statistics value\n",
rps_peer->index);
GNUNET_free (stat_cls);
GNUNET_break (0);
}
if ((NULL != rps_peer->stat_op) &&
(GNUNET_YES == check_statistics_collect_completed_single_peer (
rps_peer)) )
{
GNUNET_TESTBED_operation_done (rps_peer->stat_op);
}
write_final_stats ();
if (GNUNET_YES == check_statistics_collect_completed ())
{
// write_final_stats ();
GNUNET_free (stat_cls);
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
"Shutting down\n");
GNUNET_SCHEDULER_shutdown ();
}
else
{
GNUNET_free (stat_cls);
}
}
/**
* @brief Converts string representation to the corresponding #STAT_TYPE enum.
*
* @param stat_str string representation of statistics specifier
*
* @return corresponding enum
*/
enum STAT_TYPE
stat_str_2_type (const char *stat_str)
{
if (0 == strncmp ("# rounds blocked - no pull replies", stat_str, strlen (
"# rounds blocked - no pull replies")))
{
return STAT_TYPE_BLOCKS_NO_PULL;
}
else if (0 == strncmp ("# rounds blocked - too many pushes, no pull replies",
stat_str, strlen (
"# rounds blocked - too many pushes, no pull replies")))
{
return STAT_TYPE_BLOCKS_MANY_PUSH_NO_PULL;
}
else if (0 == strncmp ("# rounds blocked - too many pushes", stat_str,
strlen ("# rounds blocked - too many pushes")))
{
return STAT_TYPE_BLOCKS_MANY_PUSH;
}
else if (0 == strncmp ("# rounds blocked - no pushes, no pull replies",
stat_str, strlen (
"# rounds blocked - no pushes, no pull replies")))
{
return STAT_TYPE_BLOCKS_NO_PUSH_NO_PULL;
}
else if (0 == strncmp ("# rounds blocked - no pushes", stat_str, strlen (
"# rounds blocked - no pushes")))
{
return STAT_TYPE_BLOCKS_NO_PUSH;
}
else if (0 == strncmp ("# rounds blocked", stat_str, strlen (
"# rounds blocked")))
{
return STAT_TYPE_BLOCKS;
}
else if (0 == strncmp ("# rounds", stat_str, strlen ("# rounds")))
{
return STAT_TYPE_ROUNDS;
}
else if (0 == strncmp ("# push send issued", stat_str, strlen (
"# push send issued")))
{
return STAT_TYPE_ISSUED_PUSH_SEND;
}
else if (0 == strncmp ("# pull request send issued", stat_str, strlen (
"# pull request send issued")))
{
return STAT_TYPE_ISSUED_PULL_REQ;
}
else if (0 == strncmp ("# pull reply send issued", stat_str, strlen (
"# pull reply send issued")))
{
return STAT_TYPE_ISSUED_PULL_REP;
}
else if (0 == strncmp ("# pushes sent", stat_str, strlen ("# pushes sent")))
{
return STAT_TYPE_SENT_PUSH_SEND;
}
else if (0 == strncmp ("# pull requests sent", stat_str, strlen (
"# pull requests sent")))
{
return STAT_TYPE_SENT_PULL_REQ;
}
else if (0 == strncmp ("# pull replys sent", stat_str, strlen (
"# pull replys sent")))
{
return STAT_TYPE_SENT_PULL_REP;
}
else if (0 == strncmp ("# push message received", stat_str, strlen (
"# push message received")))
{
return STAT_TYPE_RECV_PUSH_SEND;
}
else if (0 == strncmp ("# pull request message received", stat_str, strlen (
"# pull request message received")))
{
return STAT_TYPE_RECV_PULL_REQ;
}
else if (0 == strncmp ("# pull reply messages received", stat_str, strlen (
"# pull reply messages received")))
{
return STAT_TYPE_RECV_PULL_REP;
}
return STAT_TYPE_MAX;
}
/**
* @brief Converts #STAT_TYPE enum to the equivalent string representation that
* is stored with the statistics service.
*
* @param stat_type #STAT_TYPE enum
*
* @return string representation that matches statistics value
*/
char*
stat_type_2_str (enum STAT_TYPE stat_type)
{
switch (stat_type)
{
case STAT_TYPE_ROUNDS:
return "# rounds";
case STAT_TYPE_BLOCKS:
return "# rounds blocked";
case STAT_TYPE_BLOCKS_MANY_PUSH:
return "# rounds blocked - too many pushes";
case STAT_TYPE_BLOCKS_NO_PUSH:
return "# rounds blocked - no pushes";
case STAT_TYPE_BLOCKS_NO_PULL:
return "# rounds blocked - no pull replies";
case STAT_TYPE_BLOCKS_MANY_PUSH_NO_PULL:
return "# rounds blocked - too many pushes, no pull replies";
case STAT_TYPE_BLOCKS_NO_PUSH_NO_PULL:
return "# rounds blocked - no pushes, no pull replies";
case STAT_TYPE_ISSUED_PUSH_SEND:
return "# push send issued";
case STAT_TYPE_ISSUED_PULL_REQ:
return "# pull request send issued";
case STAT_TYPE_ISSUED_PULL_REP:
return "# pull reply send issued";
case STAT_TYPE_SENT_PUSH_SEND:
return "# pushes sent";
case STAT_TYPE_SENT_PULL_REQ:
return "# pull requests sent";
case STAT_TYPE_SENT_PULL_REP:
return "# pull replys sent";
case STAT_TYPE_RECV_PUSH_SEND:
return "# push message received";
case STAT_TYPE_RECV_PULL_REQ:
return "# pull request message received";
case STAT_TYPE_RECV_PULL_REP:
return "# pull reply messages received";
case STAT_TYPE_MAX:
default:
return "ERROR";
;
}
}
/**
* Callback function to process statistic values.
*
* @param cls closure
* @param subsystem name of subsystem that created the statistic
* @param name the name of the datum
* @param value the current value
* @param is_persistent #GNUNET_YES if the value is persistent, #GNUNET_NO if not
* @return #GNUNET_OK to continue, #GNUNET_SYSERR to abort iteration
*/
int
stat_iterator (void *cls,
const char *subsystem,
const char *name,
uint64_t value,
int is_persistent)
{
(void) subsystem;
(void) is_persistent;
const struct STATcls *stat_cls = (const struct STATcls *) cls;
struct RPSPeer *rps_peer = (struct RPSPeer *) stat_cls->rps_peer;
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Got stat value: %s - %" PRIu64 "\n",
// stat_type_2_str (stat_cls->stat_type),
name,
value);
to_file (rps_peer->file_name_stats,
"%s: %" PRIu64 "\n",
name,
value);
switch (stat_str_2_type (name))
{
case STAT_TYPE_ROUNDS:
rps_peer->num_rounds = value;
break;
case STAT_TYPE_BLOCKS:
rps_peer->num_blocks = value;
break;
case STAT_TYPE_BLOCKS_MANY_PUSH:
rps_peer->num_blocks_many_push = value;
break;
case STAT_TYPE_BLOCKS_NO_PUSH:
rps_peer->num_blocks_no_push = value;
break;
case STAT_TYPE_BLOCKS_NO_PULL:
rps_peer->num_blocks_no_pull = value;
break;
case STAT_TYPE_BLOCKS_MANY_PUSH_NO_PULL:
rps_peer->num_blocks_many_push_no_pull = value;
break;
case STAT_TYPE_BLOCKS_NO_PUSH_NO_PULL:
rps_peer->num_blocks_no_push_no_pull = value;
break;
case STAT_TYPE_ISSUED_PUSH_SEND:
rps_peer->num_issued_push = value;
break;
case STAT_TYPE_ISSUED_PULL_REQ:
rps_peer->num_issued_pull_req = value;
break;
case STAT_TYPE_ISSUED_PULL_REP:
rps_peer->num_issued_pull_rep = value;
break;
case STAT_TYPE_SENT_PUSH_SEND:
rps_peer->num_sent_push = value;
break;
case STAT_TYPE_SENT_PULL_REQ:
rps_peer->num_sent_pull_req = value;
break;
case STAT_TYPE_SENT_PULL_REP:
rps_peer->num_sent_pull_rep = value;
break;
case STAT_TYPE_RECV_PUSH_SEND:
rps_peer->num_recv_push = value;
break;
case STAT_TYPE_RECV_PULL_REQ:
rps_peer->num_recv_pull_req = value;
break;
case STAT_TYPE_RECV_PULL_REP:
rps_peer->num_recv_pull_rep = value;
break;
case STAT_TYPE_MAX:
default:
GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
"Unknown statistics string: %s\n",
name);
break;
}
return GNUNET_OK;
}
void
post_profiler (struct RPSPeer *rps_peer)
{
if (COLLECT_STATISTICS != cur_test_run.have_collect_statistics)
{
return;
}
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
"Going to request statistic values with mask 0x%" PRIx32 "\n",
cur_test_run.stat_collect_flags);
struct STATcls *stat_cls;
uint32_t stat_type;
for (stat_type = STAT_TYPE_ROUNDS;
stat_type < STAT_TYPE_MAX;
stat_type = stat_type << 1)
{
if (stat_type & cur_test_run.stat_collect_flags)
{
stat_cls = GNUNET_malloc (sizeof(struct STATcls));
stat_cls->rps_peer = rps_peer;
stat_cls->stat_type = stat_type;
rps_peer->file_name_stats =
store_prefix_file_name (rps_peer->peer_id, "stats");
GNUNET_STATISTICS_get (rps_peer->stats_h,
"rps",
stat_type_2_str (stat_type),
post_test_shutdown_ready_cb,
stat_iterator,
(struct STATcls *) stat_cls);
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
"Requested statistics for %s (peer %" PRIu32 ")\n",
stat_type_2_str (stat_type),
rps_peer->index);
}
}
}
/***********************************************************************
* /Definition of tests
***********************************************************************/
/**
* Actual "main" function for the testcase.
*
* @param cls closure
* @param h the run handle
* @param n_peers number of peers in 'peers'
* @param peers handle to peers run in the testbed
* @param links_succeeded the number of overlay link connection attempts that
* succeeded
* @param links_failed the number of overlay link connection attempts that
* failed
*/
static void
run (void *cls,
struct GNUNET_TESTBED_RunHandle *h,
unsigned int n_peers,
struct GNUNET_TESTBED_Peer **peers,
unsigned int links_succeeded,
unsigned int links_failed)
{
(void) cls;
(void) h;
(void) links_failed;
unsigned int i;
struct OpListEntry *entry;
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "RUN was called\n");
/* Check whether we timed out */
if ((n_peers != num_peers) ||
(NULL == peers) ||
(0 == links_succeeded) )
{
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
"Going down due to args (eg. timeout)\n");
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "\tn_peers: %u\n", n_peers);
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "\tnum_peers: %" PRIu32 "\n",
num_peers);
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "\tpeers: %p\n", peers);
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "\tlinks_succeeded: %u\n",
links_succeeded);
GNUNET_SCHEDULER_shutdown ();
return;
}
/* Initialize peers */
testbed_peers = peers;
num_peers_online = 0;
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]);
if (NO_COLLECT_VIEW == cur_test_run.have_collect_view)
{
rps_peers->cur_view_count = 0;
rps_peers->cur_view = NULL;
}
entry->op = GNUNET_TESTBED_peer_get_information (peers[i],
GNUNET_TESTBED_PIT_IDENTITY,
&info_cb,
entry);
}
/* Bring peers up */
GNUNET_assert (num_peers == n_peers);
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]);
/* Connect all peers to statistics service */
if (COLLECT_STATISTICS == cur_test_run.have_collect_statistics)
{
rps_peers[i].stat_op =
GNUNET_TESTBED_service_connect (NULL,
peers[i],
"statistics",
stat_complete_cb,
&rps_peers[i],
&stat_connect_adapter,
&stat_disconnect_adapter,
&rps_peers[i]);
}
}
if (NULL != churn_task)
GNUNET_SCHEDULER_cancel (churn_task);
post_test_task = GNUNET_SCHEDULER_add_delayed (timeout, &post_test_op, NULL);
timeout = GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_SECONDS,
(timeout_s * 1.2) + 0.1 * num_peers);
shutdown_task = GNUNET_SCHEDULER_add_delayed (timeout, &shutdown_op, NULL);
}
/**
* Entry point for the testcase, sets up the testbed.
*
* @param argc unused
* @param argv unused
* @return 0 on success
*/
int
main (int argc, char *argv[])
{
int ret_value;
(void) argc;
/* Defaults for tests */
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;
cur_test_run.post_test = NULL;
cur_test_run.have_churn = HAVE_CHURN;
cur_test_run.have_collect_statistics = NO_COLLECT_STATISTICS;
cur_test_run.stat_collect_flags = 0;
cur_test_run.have_collect_view = NO_COLLECT_VIEW;
churn_task = NULL;
timeout_s = 30;
if (strstr (argv[0], "malicious") != NULL)
{
cur_test_run.pre_test = mal_pre;
cur_test_run.main_test = mal_cb;
cur_test_run.init_peer = mal_init_peer;
timeout_s = 40;
if (strstr (argv[0], "_1") != NULL)
{
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Test malicious peer type 1\n");
cur_test_run.name = "test-rps-malicious_1";
mal_type = 1;
}
else if (strstr (argv[0], "_2") != NULL)
{
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Test malicious peer type 2\n");
cur_test_run.name = "test-rps-malicious_2";
mal_type = 2;
}
else if (strstr (argv[0], "_3") != NULL)
{
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Test malicious peer type 3\n");
cur_test_run.name = "test-rps-malicious_3";
mal_type = 3;
}
}
else if (strstr (argv[0], "_single_req") != NULL)
{
GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "Test single request\n");
cur_test_run.name = "test-rps-single-req";
cur_test_run.main_test = single_req_cb;
cur_test_run.have_churn = HAVE_NO_CHURN;
}
else if (strstr (argv[0], "_delayed_reqs") != NULL)
{
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Test delayed requests\n");
cur_test_run.name = "test-rps-delayed-reqs";
cur_test_run.main_test = delay_req_cb;
cur_test_run.have_churn = HAVE_NO_CHURN;
}
else if (strstr (argv[0], "_seed_big") != NULL)
{
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
"Test seeding (num_peers > GNUNET_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;
cur_test_run.have_churn = HAVE_NO_CHURN;
timeout_s = 10;
}
else if (strstr (argv[0], "_single_peer_seed") != NULL)
{
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
"Test seeding and requesting on a single peer\n");
cur_test_run.name = "test-rps-single-peer-seed";
cur_test_run.main_test = single_peer_seed_cb;
cur_test_run.have_churn = HAVE_NO_CHURN;
}
else if (strstr (argv[0], "_seed_request") != NULL)
{
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
"Test seeding and requesting on multiple peers\n");
cur_test_run.name = "test-rps-seed-request";
cur_test_run.main_test = seed_req_cb;
cur_test_run.have_churn = HAVE_NO_CHURN;
}
else if (strstr (argv[0], "_seed") != NULL)
{
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Test seeding\n");
cur_test_run.name = "test-rps-seed";
cur_test_run.main_test = seed_cb;
cur_test_run.eval_cb = no_eval;
cur_test_run.have_churn = HAVE_NO_CHURN;
}
else if (strstr (argv[0], "_req_cancel") != 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;
cur_test_run.have_churn = HAVE_NO_CHURN;
timeout_s = 10;
}
else if (strstr (argv[0], "_churn") != NULL)
{
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Test churn\n");
cur_test_run.name = "test-rps-churn";
num_peers = 5;
cur_test_run.init_peer = default_init_peer;
cur_test_run.main_test = churn_test_cb;
cur_test_run.reply_handle = default_reply_handle;
cur_test_run.eval_cb = default_eval_cb;
cur_test_run.have_churn = HAVE_NO_CHURN;
cur_test_run.have_quick_quit = HAVE_NO_QUICK_QUIT;
timeout_s = 40;
}
else if (strstr (argv[0], "_sub") != NULL)
{
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Test subs\n");
cur_test_run.name = "test-rps-sub";
num_peers = 5;
// cur_test_run.init_peer = &default_init_peer;
cur_test_run.pre_test = &sub_pre;
cur_test_run.main_test = &single_req_cb;
// cur_test_run.reply_handle = default_reply_handle;
cur_test_run.post_test = &sub_post;
// cur_test_run.eval_cb = default_eval_cb;
cur_test_run.have_churn = HAVE_NO_CHURN;
cur_test_run.have_quick_quit = HAVE_QUICK_QUIT;
}
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 = 16;
mal_type = 3;
cur_test_run.init_peer = profiler_init_peer;
// cur_test_run.pre_test = mal_pre;
cur_test_run.pre_test = pre_profiler;
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.post_test = post_profiler;
cur_test_run.request_interval = 2;
cur_test_run.num_requests = 5;
// cur_test_run.have_churn = HAVE_CHURN;
cur_test_run.have_churn = HAVE_NO_CHURN;
cur_test_run.have_quick_quit = HAVE_NO_QUICK_QUIT;
cur_test_run.have_collect_statistics = COLLECT_STATISTICS;
cur_test_run.stat_collect_flags = STAT_TYPE_ROUNDS
| STAT_TYPE_BLOCKS
| STAT_TYPE_BLOCKS_MANY_PUSH
| STAT_TYPE_BLOCKS_NO_PUSH
| STAT_TYPE_BLOCKS_NO_PULL
| STAT_TYPE_BLOCKS_MANY_PUSH_NO_PULL
| STAT_TYPE_BLOCKS_NO_PUSH_NO_PULL
| STAT_TYPE_ISSUED_PUSH_SEND
| STAT_TYPE_ISSUED_PULL_REQ
| STAT_TYPE_ISSUED_PULL_REP
| STAT_TYPE_SENT_PUSH_SEND
| STAT_TYPE_SENT_PULL_REQ
| STAT_TYPE_SENT_PULL_REP
| STAT_TYPE_RECV_PUSH_SEND
| STAT_TYPE_RECV_PULL_REQ
| STAT_TYPE_RECV_PULL_REP;
cur_test_run.have_collect_view = COLLECT_VIEW;
timeout_s = 150;
/* 'Clean' directory */
(void) GNUNET_DISK_directory_remove ("/tmp/rps/");
GNUNET_DISK_directory_create ("/tmp/rps/");
}
timeout = GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_SECONDS, timeout_s);
rps_peers = GNUNET_new_array (num_peers, struct RPSPeer);
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;
ret_value = GNUNET_TESTBED_test_run (cur_test_run.name,
"test_rps.conf",
num_peers,
0, NULL, NULL,
&run, NULL);
GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
"_test_run returned.\n");
if (GNUNET_OK != ret_value)
{
GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
"Test did not run successfully!\n");
}
ret_value = cur_test_run.eval_cb ();
if (NO_COLLECT_VIEW == cur_test_run.have_collect_view)
{
GNUNET_array_grow (rps_peers->cur_view,
rps_peers->cur_view_count,
0);
}
GNUNET_free (rps_peers);
GNUNET_free (rps_peer_ids);
GNUNET_CONTAINER_multipeermap_destroy (peer_map);
return ret_value;
}
/* end of test_rps.c */