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- /*
- 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 <http://www.gnu.org/licenses/>.
- 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 <inttypes.h>
- /**
- * 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 */
|