/*
This file is part of GNUnet.
- (C) 2011, 2012 Christian Grothoff (and other contributing authors)
+ (C) 2011 - 2013 Christian Grothoff (and other contributing authors)
GNUnet is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published
/**
* @file regex/gnunet-regex-profiler.c
* @brief Regex profiler for testing distributed regex use.
- * @author Bart Polot
- * @author Max Szengel
+ * @author Bartlomiej Polot
+ * @author Maximilian Szengel
+ *
*/
#include <string.h>
#include "platform.h"
+#include "gnunet_applications.h"
#include "gnunet_util_lib.h"
-#include "gnunet_mesh_service.h"
-#include "gnunet_stream_lib.h"
+#include "regex_internal_lib.h"
+#include "gnunet_arm_service.h"
+#include "gnunet_dht_service.h"
#include "gnunet_testbed_service.h"
+#define FIND_TIMEOUT \
+ GNUNET_TIME_relative_multiply(GNUNET_TIME_UNIT_SECONDS, 90)
-#define NUM_HOSTS 2
+/**
+ * DLL of operations
+ */
+struct DLLOperation
+{
+ /**
+ * The testbed operation handle
+ */
+ struct GNUNET_TESTBED_Operation *op;
-#define PEER_PER_HOST 1
+ /**
+ * Closure
+ */
+ void *cls;
-#define TOTAL_PEERS (NUM_HOSTS * PEER_PER_HOST)
+ /**
+ * The next pointer for DLL
+ */
+ struct DLLOperation *next;
+
+ /**
+ * The prev pointer for DLL
+ */
+ struct DLLOperation *prev;
+};
-/**
- * Shorthand for Relative time in seconds
- */
-#define TIME_REL_SECS(sec) \
- GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_SECONDS, sec)
/**
- * Structure for holding peer's sockets and IO Handles
+ * Available states during profiling
*/
-struct PeerData
+enum State
{
/**
- * Handle to testbed peer
+ * Initial state
*/
- struct GNUNET_TESTBED_Peer *peer;
+ STATE_INIT = 0,
/**
- * The service connect operation to stream
+ * Starting slaves
*/
- struct GNUNET_TESTBED_Operation *op;
+ STATE_SLAVES_STARTING,
+
+ /**
+ * Creating peers
+ */
+ STATE_PEERS_CREATING,
+
+ /**
+ * Starting peers
+ */
+ STATE_PEERS_STARTING,
/**
- * Our Peer id
+ * Linking peers
*/
- struct GNUNET_PeerIdentity our_id;
+ STATE_PEERS_LINKING,
+
+ /**
+ * Matching strings against announced regexes
+ */
+ STATE_SEARCH_REGEX,
+
+ /**
+ * Destroying peers; we can do this as the controller takes care of stopping a
+ * peer if it is running
+ */
+ STATE_PEERS_DESTROYING
};
/**
- * Different states in test setup
+ * Peer handles.
*/
-enum SetupState
+struct RegexPeer
{
/**
- * The initial state
+ * Peer id.
+ */
+ unsigned int id;
+
+ /**
+ * Peer configuration handle.
+ */
+ struct GNUNET_CONFIGURATION_Handle *cfg;
+
+ /**
+ * The actual testbed peer handle.
+ */
+ struct GNUNET_TESTBED_Peer *peer_handle;
+
+ /**
+ * Peer's search string.
+ */
+ const char *search_str;
+
+ /**
+ * Set to GNUNET_YES if the peer successfully matched the above
+ * search string. GNUNET_NO if the string could not be matched
+ * during the profiler run. GNUNET_SYSERR if the string matching
+ * timed out. Undefined if search_str is NULL
+ */
+ int search_str_matched;
+
+ /**
+ * Peer's DHT handle.
*/
- INIT,
+ struct GNUNET_DHT_Handle *dht_handle;
/**
- * Connecting to slave controller
+ * Handle to a running regex search.
*/
- LINKING,
+ struct REGEX_INTERNAL_Search *search_handle;
- LINKING_SLAVES,
+ /**
+ * Testbed operation handle for DHT.
+ */
+ struct GNUNET_TESTBED_Operation *op_handle;
- LINKING_SLAVES_SUCCESS,
+ /**
+ * Peers's statistics handle.
+ */
+ struct GNUNET_STATISTICS_Handle *stats_handle;
- CONNECTING_PEERS,
+ /**
+ * The starting time of a profiling step.
+ */
+ struct GNUNET_TIME_Absolute prof_start_time;
- CREATING_PEER,
+ /**
+ * Operation timeout
+ */
+ GNUNET_SCHEDULER_TaskIdentifier timeout;
- STARTING_PEER
+ /**
+ * Deamon start
+ */
+ struct GNUNET_TESTBED_Operation *daemon_op;
};
+/**
+ * Set when shutting down to avoid making more queries.
+ */
+static int in_shutdown;
+
+/**
+ * The array of peers; we fill this as the peers are given to us by the testbed
+ */
+static struct RegexPeer *peers;
/**
- * Event Mask for operation callbacks
+ * Host registration handle
*/
-uint64_t event_mask;
+static struct GNUNET_TESTBED_HostRegistrationHandle *reg_handle;
/**
- * Testbed operation handle
+ * Handle to the master controller process
*/
-static struct GNUNET_TESTBED_Operation *op[NUM_HOSTS];
+static struct GNUNET_TESTBED_ControllerProc *mc_proc;
-static enum SetupState state[NUM_HOSTS];
+/**
+ * Handle to the master controller
+ */
+static struct GNUNET_TESTBED_Controller *mc;
+/**
+ * Handle to global configuration
+ */
+static struct GNUNET_CONFIGURATION_Handle *cfg;
+
+/**
+ * Abort task identifier
+ */
static GNUNET_SCHEDULER_TaskIdentifier abort_task;
/**
- * Global test result
+ * Shutdown task identifier
+ */
+static GNUNET_SCHEDULER_TaskIdentifier shutdown_task;
+
+/**
+ * Host registration task identifier
+ */
+static GNUNET_SCHEDULER_TaskIdentifier register_hosts_task;
+
+/**
+ * Global event mask for all testbed events
+ */
+static uint64_t event_mask;
+
+/**
+ * The starting time of a profiling step
+ */
+static struct GNUNET_TIME_Absolute prof_start_time;
+
+/**
+ * Duration profiling step has taken
+ */
+static struct GNUNET_TIME_Relative prof_time;
+
+/**
+ * Number of peers to be started by the profiler
+ */
+static unsigned int num_peers;
+
+/**
+ * Global testing status
*/
static int result;
/**
- * Hosts successfully registered
+ * current state of profiling
*/
-static unsigned int host_registered;
+enum State state;
/**
- * Peers successfully started
+ * Folder where policy files are stored.
*/
-static unsigned int peers_started;
+static char * policy_dir;
/**
- * The master controller host
+ * File with hostnames where to execute the test.
*/
-struct GNUNET_TESTBED_Host *master_host;
+static char *hosts_file;
/**
- * The master controller process
+ * File with the strings to look for.
*/
-static struct GNUNET_TESTBED_ControllerProc *master_proc;
+static char *strings_file;
/**
- * Handle to master controller
+ * Search strings (num_peers of them).
*/
-static struct GNUNET_TESTBED_Controller *master_ctrl;
+static char **search_strings;
/**
- * Slave host IP addresses
+ * How many searches are we going to start in parallel
*/
+static long long unsigned int init_parallel_searches;
-static char *slave_ips[NUM_HOSTS] = { "192.168.1.33", "192.168.1.34" };
+/**
+ * How many searches are running in parallel
+ */
+static unsigned int parallel_searches;
/**
- * The slave hosts
+ * Number of strings found in the published regexes.
*/
-struct GNUNET_TESTBED_Host *slave_hosts[NUM_HOSTS];
+static unsigned int strings_found;
/**
- * Slave host registration handles
+ * Index of peer to start next announce/search.
*/
-static struct GNUNET_TESTBED_HostRegistrationHandle *rh;
+static unsigned int next_search;
/**
- * The peers
+ * Search timeout task identifier.
*/
-struct GNUNET_TESTBED_Peer *peers[TOTAL_PEERS];
+static GNUNET_SCHEDULER_TaskIdentifier search_timeout_task;
/**
- * Handle to global configuration
+ * Search timeout in seconds.
*/
-static struct GNUNET_CONFIGURATION_Handle *cfg;
+static struct GNUNET_TIME_Relative search_timeout_time = { 60000 };
+
+/**
+ * File to log statistics to.
+ */
+static struct GNUNET_DISK_FileHandle *data_file;
+
+/**
+ * Filename to log statistics to.
+ */
+static char *data_filename;
+
+/**
+ * Prefix used for regex announcing. We need to prefix the search
+ * strings with it, in order to find something.
+ */
+static char * regex_prefix;
+
+/**
+ * What's the maximum regex reannounce period.
+ */
+static struct GNUNET_TIME_Relative reannounce_period_max;
+
+
+/******************************************************************************/
+/****************************** DECLARATIONS ********************************/
+/******************************************************************************/
+
+/**
+ * DHT connect callback.
+ *
+ * @param cls internal peer id.
+ * @param op operation handle.
+ * @param ca_result connect adapter result.
+ * @param emsg error message.
+ */
+static void
+dht_connect_cb (void *cls, struct GNUNET_TESTBED_Operation *op,
+ void *ca_result, const char *emsg);
+
+/**
+ * DHT connect adapter.
+ *
+ * @param cls not used.
+ * @param cfg configuration handle.
+ *
+ * @return
+ */
+static void *
+dht_ca (void *cls, const struct GNUNET_CONFIGURATION_Handle *cfg);
/**
- * Completion callback for shutdown
+ * Adapter function called to destroy a connection to
+ * the DHT service
*
- * @param cls the closure from GNUNET_STREAM_shutdown call
- * @param operation the operation that was shutdown (SHUT_RD, SHUT_WR,
- * SHUT_RDWR)
+ * @param cls closure
+ * @param op_result service handle returned from the connect adapter
*/
-// static void
-// shutdown_completion (void *cls,
-// int operation)
-// {
-// GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "STREAM shutdown successful\n");
-// GNUNET_SCHEDULER_add_now (&do_close, cls);
-// }
+static void
+dht_da (void *cls, void *op_result);
+/**
+ * Function called by testbed once we are connected to stats
+ * service. Get the statistics for the services of interest.
+ *
+ * @param cls the 'struct RegexPeer' for which we connected to stats
+ * @param op connect operation handle
+ * @param ca_result handle to stats service
+ * @param emsg error message on failure
+ */
+static void
+stats_connect_cb (void *cls,
+ struct GNUNET_TESTBED_Operation *op,
+ void *ca_result,
+ const char *emsg);
+
/**
- * Shutdown sockets gracefully
+ * Start announcing the next regex in the DHT.
+ *
+ * @param cls Index of the next peer in the peers array.
+ * @param tc TaskContext.
*/
-// static void
-// do_shutdown (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
-// {
-// result = GNUNET_OK;
-// peer1.shutdown_handle = GNUNET_STREAM_shutdown (peer1.socket, SHUT_RDWR,
-// &shutdown_completion, cls);
-// }
+static void
+announce_next_regex (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc);
+
+
+/******************************************************************************/
+/******************************** SHUTDOWN **********************************/
+/******************************************************************************/
/**
- * Something went wrong and timed out. Kill everything and set error flag
+ * Shutdown nicely
+ *
+ * @param cls NULL
+ * @param tc the task context
*/
static void
-do_abort (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
+do_shutdown (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
{
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "test: ABORT\n");
- result = GNUNET_SYSERR;
- abort_task = 0;
+ struct RegexPeer *peer;
+ unsigned int peer_cnt;
+ unsigned int search_str_cnt;
+ char output_buffer[512];
+ size_t size;
+
+ shutdown_task = GNUNET_SCHEDULER_NO_TASK;
+ if (GNUNET_SCHEDULER_NO_TASK != abort_task)
+ GNUNET_SCHEDULER_cancel (abort_task);
+ if (GNUNET_SCHEDULER_NO_TASK != register_hosts_task)
+ GNUNET_SCHEDULER_cancel (register_hosts_task);
+
+ for (peer_cnt = 0; peer_cnt < num_peers; peer_cnt++)
+ {
+ peer = &peers[peer_cnt];
+
+ if (GNUNET_YES != peer->search_str_matched && NULL != data_file)
+ {
+ prof_time = GNUNET_TIME_absolute_get_duration (peer->prof_start_time);
+ size =
+ GNUNET_snprintf (output_buffer,
+ sizeof (output_buffer),
+ "%p Search string not found: %s (%d)\n"
+ "%p On peer: %u (%p)\n"
+ "%p After: %s\n",
+ peer, peer->search_str, peer->search_str_matched,
+ peer, peer->id, peer,
+ peer,
+ GNUNET_STRINGS_relative_time_to_string (prof_time,
+ GNUNET_NO));
+ if (size != GNUNET_DISK_file_write (data_file, output_buffer, size))
+ GNUNET_log (GNUNET_ERROR_TYPE_WARNING, "Unable to write to file!\n");
+ }
+
+ if (NULL != peers[peer_cnt].op_handle)
+ GNUNET_TESTBED_operation_done (peers[peer_cnt].op_handle);
+ }
+
+ if (NULL != data_file)
+ GNUNET_DISK_file_close (data_file);
+
+ for (search_str_cnt = 0;
+ search_str_cnt < num_peers && NULL != search_strings;
+ search_str_cnt++)
+ {
+ GNUNET_free_non_null (search_strings[search_str_cnt]);
+ }
+ GNUNET_free_non_null (search_strings);
+
+ if (NULL != reg_handle)
+ GNUNET_TESTBED_cancel_registration (reg_handle);
+
+ if (NULL != mc)
+ GNUNET_TESTBED_controller_disconnect (mc);
+ if (NULL != mc_proc)
+ GNUNET_TESTBED_controller_stop (mc_proc);
+ if (NULL != cfg)
+ GNUNET_CONFIGURATION_destroy (cfg);
+
+ GNUNET_SCHEDULER_shutdown (); /* Stop scheduler to shutdown testbed run */
}
/**
- * Adapter function called to destroy a connection to
- * a service.
+ * abort task to run on test timed out
*
- * @param cls closure
- * @param op_result service handle returned from the connect adapter
+ * @param cls NULL
+ * @param tc the task context
*/
-// static void
-// stream_da (void *cls, void *op_result)
-// {
-// struct GNUNET_STREAM_ListenSocket *lsocket;
-// struct GNUNET_STREAM_Socket *socket;
-//
-// if (&peer1 == cls)
-// {
-// lsocket = op_result;
-// GNUNET_STREAM_listen_close (lsocket);
-// GNUNET_TESTBED_operation_done (peer2.op);
-// return;
-// }
-// if (&peer2 == cls)
-// {
-// socket = op_result;
-// GNUNET_STREAM_close (socket);
-// GNUNET_SCHEDULER_shutdown (); /* Exit point of the test */
-// return;
-// }
-// GNUNET_assert (0);
-// }
+static void
+do_abort (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
+{
+ unsigned long i = (unsigned long) cls;
+ GNUNET_log (GNUNET_ERROR_TYPE_WARNING, "Aborting from line %lu...\n", i);
+ abort_task = GNUNET_SCHEDULER_NO_TASK;
+ result = GNUNET_SYSERR;
+ if (GNUNET_SCHEDULER_NO_TASK != shutdown_task)
+ GNUNET_SCHEDULER_cancel (shutdown_task);
+ shutdown_task = GNUNET_SCHEDULER_add_now (&do_shutdown, NULL);
+}
+
+
+/******************************************************************************/
+/********************* STATISTICS SERVICE CONNECTIONS ***********************/
+/******************************************************************************/
/**
* Adapter function called to establish a connection to
- * a service.
+ * statistics service.
*
* @param cls closure
* @param cfg configuration of the peer to connect to; will be available until
* from GNUNET_TESTBED_service_connect()
* @return service handle to return in 'op_result', NULL on error
*/
-// static void *
-// stream_ca (void *cls, const struct GNUNET_CONFIGURATION_Handle *cfg)
-// {
-// struct GNUNET_STREAM_ListenSocket *lsocket;
-//
-// switch (setup_state)
-// {
-// case PEER1_STREAM_CONNECT:
-// lsocket = GNUNET_STREAM_listen (cfg, 10, &stream_listen_cb, NULL,
-// GNUNET_STREAM_OPTION_SIGNAL_LISTEN_SUCCESS,
-// &stream_connect, GNUNET_STREAM_OPTION_END);
-// return lsocket;
-// case PEER2_STREAM_CONNECT:
-// peer2.socket = GNUNET_STREAM_open (cfg, &peer1.our_id, 10, &stream_open_cb,
-// &peer2, GNUNET_STREAM_OPTION_END);
-// return peer2.socket;
-// default:
-// GNUNET_assert (0);
-// }
-// }
-
-
-/**
- * Listen success callback; connects a peer to stream as client
- */
-// static void
-// stream_connect (void)
-// {
-// GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Stream listen open successful\n");
-// peer2.op = GNUNET_TESTBED_service_connect (&peer2, peer2.peer, "stream",
-// NULL, NULL,
-// stream_ca, stream_da, &peer2);
-// setup_state = PEER2_STREAM_CONNECT;
-// }
-
-
-/**
- * Callback to be called when the requested peer information is available
- *
- * @param cb_cls the closure from GNUNET_TETSBED_peer_get_information()
- * @param op the operation this callback corresponds to
- * @param pinfo the result; will be NULL if the operation has failed
- * @param emsg error message if the operation has failed; will be NULL if the
- * operation is successfull
- */
-// static void
-// peerinfo_cb (void *cb_cls, struct GNUNET_TESTBED_Operation *op_,
-// const struct GNUNET_TESTBED_PeerInformation *pinfo,
-// const char *emsg)
-// {
-// GNUNET_assert (NULL == emsg);
-// GNUNET_assert (op == op_);
-// switch (setup_state)
-// {
-// case PEER1_GET_IDENTITY:
-// memcpy (&peer1.our_id, pinfo->result.id,
-// sizeof (struct GNUNET_PeerIdentity));
-// GNUNET_TESTBED_operation_done (op);
-// GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Peer 1 id: %s\n", GNUNET_i2s
-// (&peer1.our_id));
-// op = GNUNET_TESTBED_peer_get_information (peer2.peer,
-// GNUNET_TESTBED_PIT_IDENTITY,
-// &peerinfo_cb, NULL);
-// setup_state = PEER2_GET_IDENTITY;
-// break;
-// case PEER2_GET_IDENTITY:
-// memcpy (&peer2.our_id, pinfo->result.id,
-// sizeof (struct GNUNET_PeerIdentity));
-// GNUNET_TESTBED_operation_done (op);
-// GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Peer 2 id: %s\n", GNUNET_i2s
-// (&peer2.our_id));
-// peer1.op = GNUNET_TESTBED_service_connect (&peer1, peer1.peer, "stream",
-// NULL, NULL, stream_ca,
-// stream_da, &peer1);
-// setup_state = PEER1_STREAM_CONNECT;
-// break;
-// default:
-// GNUNET_assert (0);
-// }
-// }
+static void *
+stats_ca (void *cls, const struct GNUNET_CONFIGURATION_Handle *cfg)
+{
+ return GNUNET_STATISTICS_create ("<driver>", cfg);
+}
/**
- * Signature of a main function for a testcase.
+ * Adapter function called to destroy a connection to
+ * statistics service.
*
* @param cls closure
- * @param num_peers number of peers in 'peers'
- * @param peers handle to peers run in the testbed
- */
-// static void
-// test_master (void *cls, unsigned int num_peers,
-// struct GNUNET_TESTBED_Peer **peers)
-// {
-// GNUNET_assert (NULL != peers);
-// GNUNET_assert (NULL != peers[0]);
-// GNUNET_assert (NULL != peers[1]);
-// peer1.peer = peers[0];
-// peer2.peer = peers[1];
-// op = GNUNET_TESTBED_overlay_connect (NULL, NULL, NULL, peer2.peer, peer1.peer);
-// setup_state = INIT;
-// abort_task =
-// GNUNET_SCHEDULER_add_delayed (GNUNET_TIME_relative_multiply
-// (GNUNET_TIME_UNIT_SECONDS, 40), &do_abort,
-// NULL);
-// }
-
-void
-mesh_connect_cb (void *cls, struct GNUNET_TESTBED_Operation *op,
- void *ca_result, const char *emsg)
+ * @param op_result service handle returned from the connect adapter
+ */
+static void
+stats_da (void *cls, void *op_result)
{
- long i = (long) cls;
+ struct RegexPeer *peer = cls;
+
+ GNUNET_assert (op_result == peer->stats_handle);
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "mesh connect callback for peer %i\n",
- i);
+ GNUNET_STATISTICS_destroy (peer->stats_handle, GNUNET_NO);
+ peer->stats_handle = NULL;
}
-void *
-mesh_ca (void *cls, const struct GNUNET_CONFIGURATION_Handle *cfg)
+/**
+ * Process statistic values. Write all values to global 'data_file', if present.
+ *
+ * @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
+ */
+static int
+stats_iterator (void *cls, const char *subsystem, const char *name,
+ uint64_t value, int is_persistent)
{
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "mesh connect adapter\n");
+ struct RegexPeer *peer = cls;
+ char output_buffer[512];
+ size_t size;
- return NULL;
+ if (NULL == data_file)
+ {
+ GNUNET_log (GNUNET_ERROR_TYPE_INFO,
+ "%p -> %s [%s]: %llu\n",
+ peer, subsystem, name, value);
+ return GNUNET_OK;
+ }
+ size =
+ GNUNET_snprintf (output_buffer,
+ sizeof (output_buffer),
+ "%p [%s] %llu %s\n",
+ peer,
+ subsystem, value, name);
+ if (size != GNUNET_DISK_file_write (data_file, output_buffer, size))
+ GNUNET_log (GNUNET_ERROR_TYPE_WARNING, "Unable to write to file!\n");
+
+ return GNUNET_OK;
}
-void
-mesh_da (void *cls, void *op_result)
+/**
+ * Stats callback. Finish the stats testbed operation and when all stats have
+ * been iterated, shutdown the profiler.
+ *
+ * @param cls closure
+ * @param success GNUNET_OK if statistics were
+ * successfully obtained, GNUNET_SYSERR if not.
+ */
+static void
+stats_cb (void *cls,
+ int success)
{
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "mesh disconnect adapter\n");
+ static unsigned int peer_cnt;
+ struct RegexPeer *peer = cls;
+
+ if (GNUNET_OK != success)
+ {
+ GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
+ "Getting statistics for peer %u failed!\n",
+ peer->id);
+ return;
+ }
+
+ GNUNET_assert (NULL != peer->op_handle);
+
+ GNUNET_TESTBED_operation_done (peer->op_handle);
+ peer->op_handle = NULL;
+
+ peer_cnt++;
+ peer = &peers[peer_cnt];
+
+ fprintf (stderr, "s");
+ if (peer_cnt == num_peers)
+ {
+ struct GNUNET_TIME_Relative delay = { 100 };
+ GNUNET_log (GNUNET_ERROR_TYPE_INFO, "\nCollecting stats finished. Shutting down.\n");
+ shutdown_task = GNUNET_SCHEDULER_add_delayed (delay, &do_shutdown, NULL);
+ result = GNUNET_OK;
+ }
+ else
+ {
+ peer->op_handle =
+ GNUNET_TESTBED_service_connect (NULL,
+ peer->peer_handle,
+ "statistics",
+ &stats_connect_cb,
+ peer,
+ &stats_ca,
+ &stats_da,
+ peer);
+ }
}
/**
- * Functions of this signature are called when a peer has been successfully
- * started or stopped.
+ * Function called by testbed once we are connected to stats
+ * service. Get the statistics for the services of interest.
*
- * @param cls the closure from GNUNET_TESTBED_peer_start/stop()
- * @param emsg NULL on success; otherwise an error description
+ * @param cls the 'struct RegexPeer' for which we connected to stats
+ * @param op connect operation handle
+ * @param ca_result handle to stats service
+ * @param emsg error message on failure
*/
static void
-peer_start_cb (void *cls, const char *emsg)
+stats_connect_cb (void *cls,
+ struct GNUNET_TESTBED_Operation *op,
+ void *ca_result,
+ const char *emsg)
{
- unsigned int cnt;
- long i = (long) cls;
+ struct RegexPeer *peer = cls;
- GNUNET_TESTBED_operation_done (op[i]);
- peers_started++;
- // FIXME create and start rest of PEERS_PER_HOST
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, " %u peer(s) started\n", peers_started);
-
- if (TOTAL_PEERS == peers_started)
+ if (NULL == ca_result || NULL != emsg)
{
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "All peers started.\n");
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Linking slave controllers\n");
+ GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
+ "Failed to connect to statistics service on peer %u: %s\n",
+ peer->id, emsg);
- for (cnt = 0; cnt < NUM_HOSTS - 1; cnt++)
- {
- state[cnt] = LINKING_SLAVES;
- op[cnt] =
- GNUNET_TESTBED_get_slave_config ((void *) (long) cnt, master_ctrl,
- slave_hosts[cnt + 1]);
- }
+ peer->stats_handle = NULL;
+ return;
+ }
+
+ peer->stats_handle = ca_result;
+
+ if (NULL == GNUNET_STATISTICS_get (peer->stats_handle, NULL, NULL,
+ GNUNET_TIME_UNIT_FOREVER_REL,
+ &stats_cb,
+ &stats_iterator, peer))
+ {
+ GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
+ "Could not get statistics of peer %u!\n", peer->id);
}
}
/**
- * Functions of this signature are called when a peer has been successfully
- * created
+ * Task to collect all statistics from all peers, will shutdown the
+ * profiler, when done.
*
- * @param cls the closure from GNUNET_TESTBED_peer_create()
- * @param peer the handle for the created peer; NULL on any error during
- * creation
- * @param emsg NULL if peer is not NULL; else MAY contain the error description
+ * @param cls NULL
+ * @param tc the task context
*/
static void
-peer_create_cb (void *cls, struct GNUNET_TESTBED_Peer *peer, const char *emsg)
+do_collect_stats (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
{
- long i = (long) cls;
- long peer_id;
-
-// GNUNET_TESTBED_operation_done(op[i]);
- peer_id = i; // FIXME A * i + B
- peers[peer_id] = peer;
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, " Peer %i created\n", peer_id);
- op[i] = GNUNET_TESTBED_peer_start (NULL, peer, peer_start_cb, (void *) i);
+ struct RegexPeer *peer = &peers[0];
+
+ GNUNET_assert (NULL != peer->peer_handle);
+
+ peer->op_handle =
+ GNUNET_TESTBED_service_connect (NULL,
+ peer->peer_handle,
+ "statistics",
+ &stats_connect_cb,
+ peer,
+ &stats_ca,
+ &stats_da,
+ peer);
}
+/******************************************************************************/
+/************************ REGEX FIND CONNECTIONS **************************/
+/******************************************************************************/
+
+
/**
- * Signature of the event handler function called by the
- * respective event controller.
+ * Start searching for the next string in the DHT.
*
- * @param cls closure
- * @param event information about the event
+ * @param cls Index of the next peer in the peers array.
+ * @param tc TaskContext.
*/
static void
-controller_cb (void *cls, const struct GNUNET_TESTBED_EventInformation *event)
+find_string (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc);
+
+
+/**
+ * Method called when we've found a peer that announced a regex
+ * that matches our search string. Now get the statistics.
+ *
+ * @param cls Closure provided in REGEX_INTERNAL_search.
+ * @param id Peer providing a regex that matches the string.
+ * @param get_path Path of the get request.
+ * @param get_path_length Lenght of get_path.
+ * @param put_path Path of the put request.
+ * @param put_path_length Length of the put_path.
+ */
+static void
+regex_found_handler (void *cls,
+ const struct GNUNET_PeerIdentity *id,
+ const struct GNUNET_PeerIdentity *get_path,
+ unsigned int get_path_length,
+ const struct GNUNET_PeerIdentity *put_path,
+ unsigned int put_path_length)
{
- long i;
+ struct RegexPeer *peer = cls;
+ char output_buffer[512];
+ size_t size;
- switch (event->type)
+ if (GNUNET_YES == peer->search_str_matched)
{
- case GNUNET_TESTBED_ET_PEER_START:
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, " Peer started\n");
- /* event->details.peer_start.peer; */
- /* event->details.peer_start.host; */
+ GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
+ "String %s on peer %u already matched!\n",
+ peer->search_str, peer->id);
+ return;
+ }
- break;
- case GNUNET_TESTBED_ET_PEER_STOP:
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Peer stopped\n");
- break;
- case GNUNET_TESTBED_ET_CONNECT:
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Overlay Connected\n");
- for (i = 0; i < TOTAL_PEERS; i++)
+ strings_found++;
+ parallel_searches--;
+
+ if (GNUNET_SCHEDULER_NO_TASK != peer->timeout)
+ {
+ GNUNET_SCHEDULER_cancel (peer->timeout);
+ peer->timeout = GNUNET_SCHEDULER_NO_TASK;
+ if (GNUNET_NO == in_shutdown)
+ GNUNET_SCHEDULER_add_now (&announce_next_regex, NULL);
+ }
+
+ if (NULL == id)
+ {
+ // FIXME not possible right now
+ GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
+ "String matching timed out for string %s on peer %u (%i/%i)\n",
+ peer->search_str, peer->id, strings_found, num_peers);
+ peer->search_str_matched = GNUNET_SYSERR;
+ }
+ else
+ {
+ prof_time = GNUNET_TIME_absolute_get_duration (peer->prof_start_time);
+
+ GNUNET_log (GNUNET_ERROR_TYPE_INFO,
+ "String %s found on peer %u after %s (%i/%i) (%u||)\n",
+ peer->search_str, peer->id,
+ GNUNET_STRINGS_relative_time_to_string (prof_time, GNUNET_NO),
+ strings_found, num_peers, parallel_searches);
+
+ peer->search_str_matched = GNUNET_YES;
+
+ if (NULL != data_file)
{
- GNUNET_TESTBED_service_connect (NULL, peers[i], "mesh", &mesh_connect_cb,
- (void *) i, &mesh_ca, &mesh_da, NULL);
+ size =
+ GNUNET_snprintf (output_buffer,
+ sizeof (output_buffer),
+ "%p Peer: %u\n"
+ "%p Search string: %s\n"
+ "%p Search duration: %s\n\n",
+ peer, peer->id,
+ peer, peer->search_str,
+ peer,
+ GNUNET_STRINGS_relative_time_to_string (prof_time,
+ GNUNET_NO));
+
+ if (size != GNUNET_DISK_file_write (data_file, output_buffer, size))
+ GNUNET_log (GNUNET_ERROR_TYPE_WARNING, "Unable to write to file!\n");
}
- break;
- case GNUNET_TESTBED_ET_OPERATION_FINISHED:
- if (NULL != event->details.operation_finished.emsg)
+ }
+
+ GNUNET_TESTBED_operation_done (peer->op_handle);
+ peer->op_handle = NULL;
+
+ if (strings_found == num_peers)
+ {
+ prof_time = GNUNET_TIME_absolute_get_duration (prof_start_time);
+ GNUNET_log (GNUNET_ERROR_TYPE_INFO,
+ "All strings successfully matched in %s\n",
+ GNUNET_STRINGS_relative_time_to_string (prof_time, GNUNET_NO));
+
+ if (GNUNET_SCHEDULER_NO_TASK != search_timeout_task)
{
- GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "Testbed error: %s\n",
- event->details.operation_finished.emsg);
- GNUNET_assert (0);
+ GNUNET_SCHEDULER_cancel (search_timeout_task);
+ search_timeout_task = GNUNET_SCHEDULER_NO_TASK;
}
- i = (long) event->details.operation_finished.op_cls;
- switch (state[i])
- {
- case INIT:
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, " Init: %u\n", i);
- GNUNET_TESTBED_operation_done (event->details.
- operation_finished.operation);
- op[i] = NULL;
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, " Operation %u finished\n", i);
- break;
- case LINKING:
- GNUNET_TESTBED_operation_done (event->details.
- operation_finished.operation);
- op[i] = NULL;
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, " Operation %u finished\n", i);
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, " Linked host %i\n", i);
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, " Creating peer...\n");
-
- state[i] = CREATING_PEER;
- op[i] =
- GNUNET_TESTBED_peer_create (master_ctrl, slave_hosts[i], cfg,
- peer_create_cb, (void *) i);
- break;
- case CREATING_PEER:
- GNUNET_TESTBED_operation_done (event->details.
- operation_finished.operation);
- op[i] = NULL;
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, " Operation %u finished\n", i);
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, " Peer create\n");
- break;
- case LINKING_SLAVES:
+ GNUNET_log (GNUNET_ERROR_TYPE_INFO, "Collecting stats.\n");
+ GNUNET_SCHEDULER_add_now (&do_collect_stats, NULL);
+ }
+}
+
+
+/**
+ * Connect by string timeout task. This will cancel the profiler after the
+ * specified timeout 'search_timeout'.
+ *
+ * @param cls NULL
+ * @param tc the task context
+ */
+static void
+search_timed_out (void *cls, const struct GNUNET_SCHEDULER_TaskContext * tc)
+{
+ unsigned int i;
+
+ GNUNET_log (GNUNET_ERROR_TYPE_INFO,
+ "Finding matches to all strings did not succeed after %s.\n",
+ GNUNET_STRINGS_relative_time_to_string (search_timeout_time,
+ GNUNET_NO));
+ GNUNET_log (GNUNET_ERROR_TYPE_INFO,
+ "Found %i of %i strings\n", strings_found, num_peers);
+
+ GNUNET_log (GNUNET_ERROR_TYPE_INFO,
+ "Search timed out after %s."
+ "Collecting stats and shutting down.\n",
+ GNUNET_STRINGS_relative_time_to_string (search_timeout_time,
+ GNUNET_NO));
+
+ in_shutdown = GNUNET_YES;
+ for (i = 0; i < num_peers; i++)
+ {
+ if (NULL != peers[i].op_handle)
{
- struct GNUNET_CONFIGURATION_Handle *slave_cfg;
-
- GNUNET_assert (NULL != event->details.operation_finished.generic);
- slave_cfg =
- GNUNET_CONFIGURATION_dup ((struct GNUNET_CONFIGURATION_Handle *)
- event->details.operation_finished.generic);
- GNUNET_TESTBED_operation_done (event->details.
- operation_finished.operation);
- op[i] = NULL;
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, " Operation %u finished\n", i);
- state[i] = LINKING_SLAVES_SUCCESS;
- op[i] =
- GNUNET_TESTBED_controller_link ((void *) (long) i, master_ctrl,
- slave_hosts[i + 1], slave_hosts[i],
- slave_cfg, GNUNET_NO);
- GNUNET_CONFIGURATION_destroy (slave_cfg);
- break;
+ GNUNET_TESTBED_operation_done (peers[i].op_handle);
+ peers[i].op_handle = NULL;
}
- case LINKING_SLAVES_SUCCESS:
- GNUNET_TESTBED_operation_done (event->details.
- operation_finished.operation);
- op[i] = NULL;
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, " Operation %u finished\n", i);
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, " Linking slave %i succeeded\n", i);
- state[0] = CONNECTING_PEERS;
- op[0] =
- GNUNET_TESTBED_overlay_configure_topology (NULL, TOTAL_PEERS, peers,
- GNUNET_TESTBED_TOPOLOGY_LINE);
- GNUNET_assert (NULL != op[0]);
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Connecting peers...\n");
- break;
- case CONNECTING_PEERS:
- GNUNET_TESTBED_operation_done (event->details.
- operation_finished.operation);
- op[i] = NULL;
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, " Operation %u finished\n", i);
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Peers connected\n");
- break;
- default:
- GNUNET_break (0);
- }
- break;
- default:
- GNUNET_break (0);
}
+ GNUNET_SCHEDULER_add_now (&do_collect_stats, NULL);
}
+
/**
- * Callback which will be called to after a host registration succeeded or failed
+ * Search timed out. It might still complete in the future,
+ * but we should start another one.
*
- * @param cls the host which has been registered
- * @param emsg the error message; NULL if host registration is successful
+ * @param cls Index of the next peer in the peers array.
+ * @param tc TaskContext.
*/
static void
-registration_cont (void *cls, const char *emsg)
+find_timed_out (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
{
+ struct RegexPeer *p = cls;
+
+ p->timeout = GNUNET_SCHEDULER_NO_TASK;
+
+ if ((tc->reason & GNUNET_SCHEDULER_REASON_SHUTDOWN) != 0)
+ return;
+ GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
+ "Searching for string \"%s\" on peer %d timed out.\n",
+ p->search_str,
+ p->id);
+ if (GNUNET_NO == in_shutdown)
+ GNUNET_SCHEDULER_add_now (&announce_next_regex, NULL);
+}
+
+
+/**
+ * Start searching for a string in the DHT.
+ *
+ * @param cls Index of the next peer in the peers array.
+ * @param tc TaskContext.
+ */
+static void
+find_string (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
+{
+ unsigned int search_peer = (unsigned int) (long) cls;
+
+ if (0 != (tc->reason & GNUNET_SCHEDULER_REASON_SHUTDOWN) ||
+ search_peer >= num_peers ||
+ GNUNET_YES == in_shutdown)
+ return;
+
+ GNUNET_log (GNUNET_ERROR_TYPE_INFO,
+ "Searching for string \"%s\" on peer %d (%u||)\n",
+ peers[search_peer].search_str,
+ search_peer,
+ parallel_searches);
+
+ peers[search_peer].op_handle =
+ GNUNET_TESTBED_service_connect (NULL,
+ peers[search_peer].peer_handle,
+ "dht",
+ &dht_connect_cb,
+ &peers[search_peer],
+ &dht_ca,
+ &dht_da,
+ &peers[search_peer]);
+ GNUNET_assert (NULL != peers[search_peer].op_handle);
+ peers[search_peer].timeout = GNUNET_SCHEDULER_add_delayed (FIND_TIMEOUT,
+ &find_timed_out,
+ &peers[search_peer]);
+}
+
+
+
+
+/**
+ * Callback called when testbed has started the daemon we asked for.
+ *
+ * @param cls NULL
+ * @param op the operation handle
+ * @param emsg NULL on success; otherwise an error description
+ */
+static void
+daemon_started (void *cls, struct GNUNET_TESTBED_Operation *op,
+ const char *emsg)
+{
+ struct RegexPeer *peer = (struct RegexPeer *) cls;
+ unsigned long search_peer;
+ unsigned int i;
+
+ GNUNET_TESTBED_operation_done (peer->daemon_op);
+ peer->daemon_op = NULL;
if (NULL != emsg)
{
- GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "%s\n", emsg);
- GNUNET_assert (0);
- }
- state[host_registered] = LINKING;
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, " Linking host %u\n", host_registered);
- op[host_registered] =
- GNUNET_TESTBED_controller_link ((void *) (long) host_registered,
- master_ctrl, slave_hosts[host_registered],
- NULL, cfg, GNUNET_YES);
- host_registered++;
- if (NUM_HOSTS != host_registered)
- {
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, " Registering host %u\n",
- host_registered);
- rh = GNUNET_TESTBED_register_host (master_ctrl,
- slave_hosts[host_registered],
- ®istration_cont, NULL);
- return;
+ GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
+ "Failed to start/stop daemon at peer %u: %s\n", peer->id, emsg);
+ GNUNET_abort ();
+ }
+ else
+ {
+ GNUNET_log (GNUNET_ERROR_TYPE_INFO,
+ "Deamon %u started successfully\n", peer->id);
}
+
+ /* Find a peer to look for a string matching the regex announced */
+ search_peer = GNUNET_CRYPTO_random_u32 (GNUNET_CRYPTO_QUALITY_WEAK,
+ num_peers);
+ for (i = 0; peers[search_peer].search_str != NULL; i++)
+ {
+ search_peer = (search_peer + 1) % num_peers;
+ if (i > num_peers)
+ GNUNET_abort (); /* we ran out of peers, must be a bug */
+ }
+ peers[search_peer].search_str = search_strings[peer->id];
+ peers[search_peer].search_str_matched = GNUNET_NO;
+ GNUNET_SCHEDULER_add_delayed (GNUNET_TIME_relative_multiply(
+ reannounce_period_max,
+ 2),
+ &find_string,
+ (void *) search_peer);
}
+
/**
- * Callback to signal successfull startup of the controller process
+ * Task to start the daemons on each peer so that the regexes are announced
+ * into the DHT.
*
- * @param cls the closure from GNUNET_TESTBED_controller_start()
- * @param cfg the configuration with which the controller has been started;
- * NULL if status is not GNUNET_OK
- * @param status GNUNET_OK if the startup is successfull; GNUNET_SYSERR if not,
- * GNUNET_TESTBED_controller_stop() shouldn't be called in this case
+ * @param cls NULL
+ * @param tc the task context
*/
static void
-status_cb (void *cls, const struct GNUNET_CONFIGURATION_Handle *config,
- int status)
+do_announce (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
{
unsigned int i;
- if (NULL == config || GNUNET_OK != status)
+ GNUNET_log (GNUNET_ERROR_TYPE_INFO, "Starting announce.\n");
+
+ for (i = 0; i < init_parallel_searches; i++)
+ {
+ GNUNET_log (GNUNET_ERROR_TYPE_INFO,
+ " scheduling announce %u\n",
+ i);
+ (void) GNUNET_SCHEDULER_add_now (&announce_next_regex, NULL);
+ }
+}
+
+
+/**
+ * Start announcing the next regex in the DHT.
+ *
+ * @param cls Closure (unused).
+ * @param tc TaskContext.
+ */
+static void
+announce_next_regex (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
+{
+ struct RegexPeer *peer;
+
+ if (0 != (tc->reason & GNUNET_SCHEDULER_REASON_SHUTDOWN))
return;
+ if (next_search >= num_peers)
+ {
+ if (strings_found != num_peers)
+ {
+ struct GNUNET_TIME_Relative new_delay;
+ if (GNUNET_SCHEDULER_NO_TASK != search_timeout_task)
+ GNUNET_SCHEDULER_cancel (search_timeout_task);
+ new_delay = GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_MINUTES, 15);
+ search_timeout_task = GNUNET_SCHEDULER_add_delayed (new_delay,
+ &search_timed_out,
+ NULL);
+ }
+ return;
+ }
- event_mask = 0;
- event_mask |= (1L << GNUNET_TESTBED_ET_PEER_START);
- event_mask |= (1L << GNUNET_TESTBED_ET_PEER_STOP);
- event_mask |= (1L << GNUNET_TESTBED_ET_CONNECT);
- event_mask |= (1L << GNUNET_TESTBED_ET_OPERATION_FINISHED);
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Connecting to master controller\n");
- master_ctrl =
- GNUNET_TESTBED_controller_connect (config, master_host, event_mask,
- &controller_cb, NULL);
- GNUNET_assert (NULL != master_ctrl);
-
- for (i = 0; i < NUM_HOSTS; i++)
- {
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, " Creating host %u\n", i);
- slave_hosts[i] = GNUNET_TESTBED_host_create (slave_ips[i], NULL, 0);
- GNUNET_assert (NULL != slave_hosts[i]);
- }
- host_registered = 0;
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, " Registering host %u\n",
- host_registered);
- rh = GNUNET_TESTBED_register_host (master_ctrl, slave_hosts[0],
- ®istration_cont, NULL);
- GNUNET_assert (NULL != rh);
+ GNUNET_log (GNUNET_ERROR_TYPE_INFO, "Starting daemon %u\n", next_search);
+ peer = &peers[next_search];
+ peer->daemon_op =
+ GNUNET_TESTBED_peer_manage_service (NULL,
+ peer->peer_handle,
+ "regexprofiler",
+ &daemon_started,
+ peer,
+ 1);
+ next_search++;
+ parallel_searches++;
+}
+
+/**
+ * DHT connect callback. Called when we are connected to the dht service for
+ * the peer in 'cls'. If successfull we connect to the stats service of this
+ * peer and then try to match the search string of this peer.
+ *
+ * @param cls internal peer id.
+ * @param op operation handle.
+ * @param ca_result connect adapter result.
+ * @param emsg error message.
+ */
+static void
+dht_connect_cb (void *cls, struct GNUNET_TESTBED_Operation *op,
+ void *ca_result, const char *emsg)
+{
+ struct RegexPeer *peer = (struct RegexPeer *) cls;
+
+ if (NULL != emsg || NULL == op || NULL == ca_result)
+ {
+ GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "DHT connect failed: %s\n", emsg);
+ GNUNET_abort ();
+ }
+
+ GNUNET_assert (NULL != peer->dht_handle);
+ GNUNET_assert (peer->op_handle == op);
+ GNUNET_assert (peer->dht_handle == ca_result);
+
+ peer->search_str_matched = GNUNET_NO;
+ peer->search_handle = REGEX_INTERNAL_search (peer->dht_handle,
+ peer->search_str,
+ ®ex_found_handler, peer,
+ NULL);
+ peer->prof_start_time = GNUNET_TIME_absolute_get ();
}
/**
- * Main run function.
+ * DHT connect adapter. Opens a connection to the dht service.
+ *
+ * @param cls Closure (peer).
+ * @param cfg Configuration handle.
+ *
+ * @return
+ */
+static void *
+dht_ca (void *cls, const struct GNUNET_CONFIGURATION_Handle *cfg)
+{
+ struct RegexPeer *peer = cls;
+
+ peer->dht_handle = GNUNET_DHT_connect (cfg, 32);
+
+ return peer->dht_handle;
+}
+
+
+/**
+ * Adapter function called to destroy a connection to the dht service.
+ *
+ * @param cls Closure (peer).
+ * @param op_result Service handle returned from the connect adapter.
+ */
+static void
+dht_da (void *cls, void *op_result)
+{
+ struct RegexPeer *peer = (struct RegexPeer *) cls;
+
+ GNUNET_assert (peer->dht_handle == op_result);
+
+ if (NULL != peer->search_handle)
+ {
+ REGEX_INTERNAL_search_cancel (peer->search_handle);
+ peer->search_handle = NULL;
+ }
+
+ if (NULL != peer->dht_handle)
+ {
+ GNUNET_DHT_disconnect (peer->dht_handle);
+ peer->dht_handle = NULL;
+ }
+}
+
+
+/**
+ * Signature of a main function for a testcase.
*
* @param cls NULL
- * @param args arguments passed to GNUNET_PROGRAM_run
- * @param cfgfile the path to configuration file
- * @param cfg the configuration file handle
+ * @param h the run handle
+ * @param num_peers_ number of peers in 'peers'
+ * @param testbed_peers handle to peers run in the testbed. NULL upon timeout (see
+ * GNUNET_TESTBED_test_run()).
+ * @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, char *const *args, const char *cfgfile,
- const struct GNUNET_CONFIGURATION_Handle *config)
+test_master (void *cls,
+ struct GNUNET_TESTBED_RunHandle *h,
+ unsigned int num_peers_,
+ struct GNUNET_TESTBED_Peer **testbed_peers,
+ unsigned int links_succeeded,
+ unsigned int links_failed)
{
- master_host = GNUNET_TESTBED_host_create ("192.168.1.33", NULL, 0);
- GNUNET_assert (NULL != master_host);
- cfg = GNUNET_CONFIGURATION_dup (config);
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Starting master controller\n");
- master_proc =
- GNUNET_TESTBED_controller_start ("192.168.1.33", master_host, cfg,
- status_cb, NULL);
- abort_task =
- GNUNET_SCHEDULER_add_delayed (GNUNET_TIME_relative_multiply
- (GNUNET_TIME_UNIT_MINUTES, 60), &do_abort,
- NULL);
+ unsigned int i;
+
+ GNUNET_assert (num_peers_ == num_peers);
+
+ prof_time = GNUNET_TIME_absolute_get_duration (prof_start_time);
+ GNUNET_log (GNUNET_ERROR_TYPE_INFO,
+ "Testbed started in %s\n",
+ GNUNET_STRINGS_relative_time_to_string (prof_time, GNUNET_NO));
+
+ if (GNUNET_SCHEDULER_NO_TASK != abort_task)
+ {
+ GNUNET_SCHEDULER_cancel (abort_task);
+ abort_task = GNUNET_SCHEDULER_NO_TASK;
+ }
+
+ for (i = 0; i < num_peers; i++)
+ {
+ peers[i].peer_handle = testbed_peers[i];
+ }
+ if (GNUNET_NO ==
+ GNUNET_CONFIGURATION_get_value_yesno (cfg, "DHT", "DISABLE_TRY_CONNECT"))
+ {
+ struct GNUNET_TIME_Relative settle_time;
+
+ settle_time =
+ GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_MILLISECONDS,
+ 10 * num_peers);
+ GNUNET_log (GNUNET_ERROR_TYPE_INFO,
+ "Waiting for DHT for %s to settle new connections.\n\n",
+ GNUNET_STRINGS_relative_time_to_string(settle_time, GNUNET_NO));
+ GNUNET_SCHEDULER_add_delayed (settle_time, &do_announce, NULL);
+ }
+ else
+ {
+ GNUNET_SCHEDULER_add_now (&do_announce, NULL);
+ }
+ search_timeout_task =
+ GNUNET_SCHEDULER_add_delayed (search_timeout_time, &search_timed_out, NULL);
}
/**
- * Main function
+ * Function that will be called whenever something in the testbed changes.
+ *
+ * @param cls closure, NULL
+ * @param event information on what is happening
*/
-int
-main (int argc, char **argv)
+static void
+master_controller_cb (void *cls,
+ const struct GNUNET_TESTBED_EventInformation *event)
{
- int ret;
- int test_hosts;
+ switch (event->type)
+ {
+ case GNUNET_TESTBED_ET_CONNECT:
+ printf(".");
+ break;
+ case GNUNET_TESTBED_ET_PEER_START:
+ printf("#");
+ break;
+ default:
+ break;
+ }
+ fflush(stdout);
+}
+
+
+/******************************************************************************/
+/*************************** TESTBED PEER SETUP *****************************/
+/******************************************************************************/
+
+
+/**
+ * Load search strings from given filename. One search string per line.
+ *
+ * @param filename filename of the file containing the search strings.
+ * @param strings set of strings loaded from file. Caller needs to free this
+ * if number returned is greater than zero.
+ * @param limit upper limit on the number of strings read from the file
+ * @return number of strings found in the file. GNUNET_SYSERR on error.
+ */
+static int
+load_search_strings (const char *filename, char ***strings, unsigned int limit)
+{
+ char *data;
+ char *buf;
+ uint64_t filesize;
+ unsigned int offset;
+ int str_cnt;
unsigned int i;
- struct GNUNET_GETOPT_CommandLineOption options[] = {
- GNUNET_GETOPT_OPTION_END
- };
- char *const argv2[] = { "gnunet-regex-profiler",
- "-c", "regex_profiler_test.conf",
- NULL
- };
+ if (NULL == filename)
+ {
+ return GNUNET_SYSERR;
+ }
- test_hosts = GNUNET_OK;
- for (i = 0; i < NUM_HOSTS; i++)
- {
- char *const remote_args[] = {
- "ssh", "-o", "BatchMode=yes", slave_ips[i],
- "gnunet-helper-testbed --help > /dev/null", NULL
- };
- struct GNUNET_OS_Process *auxp;
- enum GNUNET_OS_ProcessStatusType type;
- unsigned long code;
-
- fprintf (stderr, "Testing host %i\n", i);
- auxp =
- GNUNET_OS_start_process_vap (GNUNET_NO, GNUNET_OS_INHERIT_STD_ALL, NULL,
- NULL, "ssh", remote_args);
- GNUNET_assert (NULL != auxp);
- do
- {
- ret = GNUNET_OS_process_status (auxp, &type, &code);
- GNUNET_assert (GNUNET_SYSERR != ret);
- (void) usleep (300);
- }
- while (GNUNET_NO == ret);
- (void) GNUNET_OS_process_wait (auxp);
- GNUNET_OS_process_destroy (auxp);
- if (0 != code)
+ if (GNUNET_YES != GNUNET_DISK_file_test (filename))
+ {
+ GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
+ "Could not find search strings file %s\n", filename);
+ return GNUNET_SYSERR;
+ }
+ if (GNUNET_OK != GNUNET_DISK_file_size (filename, &filesize, GNUNET_YES, GNUNET_YES))
+ filesize = 0;
+ if (0 == filesize)
+ {
+ GNUNET_log (GNUNET_ERROR_TYPE_WARNING, "Search strings file %s is empty.\n", filename);
+ return GNUNET_SYSERR;
+ }
+ data = GNUNET_malloc (filesize);
+ if (filesize != GNUNET_DISK_fn_read (filename, data, filesize))
+ {
+ GNUNET_free (data);
+ GNUNET_log (GNUNET_ERROR_TYPE_WARNING, "Could not read search strings file %s.\n",
+ filename);
+ return GNUNET_SYSERR;
+ }
+ buf = data;
+ offset = 0;
+ str_cnt = 0;
+ while (offset < (filesize - 1) && str_cnt < limit)
+ {
+ offset++;
+ if (((data[offset] == '\n')) && (buf != &data[offset]))
{
- fprintf (stderr,
- "Unable to run the test as this system is not configured "
- "to use password less SSH logins to host %s.\n", slave_ips[i]);
- test_hosts = GNUNET_SYSERR;
+ data[offset] = '\0';
+ str_cnt++;
+ buf = &data[offset + 1];
}
+ else if ((data[offset] == '\n') || (data[offset] == '\0'))
+ buf = &data[offset + 1];
}
- if (test_hosts != GNUNET_OK)
+ *strings = GNUNET_malloc (sizeof (char *) * str_cnt);
+ offset = 0;
+ for (i = 0; i < str_cnt; i++)
{
- fprintf (stderr, "Some hosts have failed the ssh check. Exiting.\n");
- return 1;
+ GNUNET_asprintf (&(*strings)[i], "%s%s", regex_prefix, &data[offset]);
+ offset += strlen (&data[offset]) + 1;
}
- fprintf (stderr, "START.\n");
+ GNUNET_free (data);
+ return str_cnt;
+}
- result = GNUNET_SYSERR;
- ret =
- GNUNET_PROGRAM_run ((sizeof (argv2) / sizeof (char *)) - 1, argv2,
- "gnunet-regex-profiler", "nohelp", options, &run, NULL);
+/**
+ * Main function that will be run by the scheduler.
+ *
+ * @param cls closure
+ * @param args remaining command-line arguments
+ * @param cfgfile name of the configuration file used (for saving, can be NULL!)
+ * @param config configuration
+ */
+static void
+run (void *cls, char *const *args, const char *cfgfile,
+ const struct GNUNET_CONFIGURATION_Handle *config)
+{
+ unsigned int nsearchstrs;
+ unsigned int i;
+ struct GNUNET_TIME_Relative abort_time;
+
+ in_shutdown = GNUNET_NO;
+
+ /* Check config */
+ if (NULL == config)
+ {
+ GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
+ _("No configuration file given. Exiting\n"));
+ shutdown_task = GNUNET_SCHEDULER_add_now (&do_shutdown, NULL);
+ return;
+ }
+ cfg = GNUNET_CONFIGURATION_dup (config);
+ if (GNUNET_OK !=
+ GNUNET_CONFIGURATION_get_value_string (cfg, "REGEXPROFILER",
+ "REGEX_PREFIX",
+ ®ex_prefix))
+ {
+ GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
+ _("Configuration option \"regex_prefix\" missing. Exiting\n"));
+ shutdown_task = GNUNET_SCHEDULER_add_now (&do_shutdown, NULL);
+ return;
+ }
+ if (GNUNET_OK !=
+ GNUNET_CONFIGURATION_get_value_number (cfg, "REGEXPROFILER",
+ "PARALLEL_SEARCHES",
+ &init_parallel_searches))
+ {
+ GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
+ "Configuration option \"PARALLEL_SEARCHES\" missing."
+ " Using default (%d)\n", 10);
+ init_parallel_searches = 10;
+ }
+ if (GNUNET_OK !=
+ GNUNET_CONFIGURATION_get_value_time (cfg, "REGEXPROFILER",
+ "REANNOUNCE_PERIOD_MAX",
+ &reannounce_period_max))
+ {
+ GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
+ "reannounce_period_max not given. Using 10 minutes.\n");
+ reannounce_period_max =
+ GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_MINUTES, 10);
+ }
+
+ /* Check arguments */
+ if (NULL == policy_dir)
+ {
+ GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
+ _("No policy directory specified on command line. Exiting.\n"));
+ return;
+ }
+ if (GNUNET_YES != GNUNET_DISK_directory_test (policy_dir, GNUNET_YES))
+ {
+ GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
+ _("Specified policies directory does not exist. Exiting.\n"));
+ shutdown_task = GNUNET_SCHEDULER_add_now (&do_shutdown, NULL);
+ return;
+ }
+ if (0 >= (int) (num_peers = GNUNET_DISK_directory_scan (policy_dir, NULL, NULL)))
+ {
+ GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
+ _("No files found in `%s'\n"),
+ policy_dir);
+ return;
+ }
+ GNUNET_CONFIGURATION_set_value_string (cfg, "REGEXPROFILER",
+ "POLICY_DIR", policy_dir);
+ if (GNUNET_YES != GNUNET_DISK_file_test (strings_file))
+ {
+ GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
+ _("No search strings file given. Exiting.\n"));
+ shutdown_task = GNUNET_SCHEDULER_add_now (&do_shutdown, NULL);
+ return;
+ }
+ nsearchstrs = load_search_strings (strings_file,
+ &search_strings,
+ num_peers);
+ if (num_peers != nsearchstrs)
+ {
+ GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
+ "Error loading search strings.\n");
+ GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
+ "File (%s) does not contain enough strings (%u/%u).\n",
+ strings_file, nsearchstrs, num_peers);
+ shutdown_task = GNUNET_SCHEDULER_add_now (&do_shutdown, NULL);
+ return;
+ }
+ if ( (0 == num_peers) || (NULL == search_strings))
+ {
+ GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
+ _("Error loading search strings. Exiting.\n"));
+ shutdown_task = GNUNET_SCHEDULER_add_now (&do_shutdown, NULL);
+ return;
+ }
+ for (i = 0; i < num_peers; i++)
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "search string: %s\n",
+ search_strings[i]);
+
+ /* Check logfile */
+ if ( (NULL != data_filename) &&
+ (NULL == (data_file =
+ GNUNET_DISK_file_open (data_filename,
+ GNUNET_DISK_OPEN_READWRITE |
+ GNUNET_DISK_OPEN_TRUNCATE |
+ GNUNET_DISK_OPEN_CREATE,
+ GNUNET_DISK_PERM_USER_READ |
+ GNUNET_DISK_PERM_USER_WRITE))) )
+ {
+ GNUNET_log_strerror_file (GNUNET_ERROR_TYPE_ERROR,
+ "open",
+ data_filename);
+ return;
+ }
+
+ /* Initialize peers */
+ peers = GNUNET_malloc (sizeof (struct RegexPeer) * num_peers);
+ for (i = 0; i < num_peers; i++)
+ peers[i].id = i;
+
+ GNUNET_CONFIGURATION_set_value_number (cfg,
+ "TESTBED", "OVERLAY_RANDOM_LINKS",
+ num_peers * 20);
+ GNUNET_CONFIGURATION_set_value_number (cfg,
+ "DHT", "FORCE_NSE",
+ (long long unsigned)
+ (log (num_peers) / log (2.0)));
+ event_mask = 0LL;
+/* For feedback about the start process activate these and pass master_cb */
+ event_mask |= (1LL << GNUNET_TESTBED_ET_PEER_START);
+// event_mask |= (1LL << GNUNET_TESTBED_ET_PEER_STOP);
+ event_mask |= (1LL << GNUNET_TESTBED_ET_CONNECT);
+// event_mask |= (1LL << GNUNET_TESTBED_ET_DISCONNECT);
+ prof_start_time = GNUNET_TIME_absolute_get ();
+ GNUNET_TESTBED_run (hosts_file,
+ cfg,
+ num_peers,
+ event_mask,
+ &master_controller_cb,
+ NULL, /* master_controller_cb cls */
+ &test_master,
+ NULL); /* test_master cls */
+ if (GNUNET_OK !=
+ GNUNET_CONFIGURATION_get_value_time (cfg, "TESTBED",
+ "SETUP_TIMEOUT",
+ &abort_time))
+ {
+ GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
+ "SETUP_TIMEOUT not given. Using 15 minutes.\n");
+ abort_time =
+ GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_MINUTES, 15);
+ }
+ abort_time = GNUNET_TIME_relative_add (abort_time, GNUNET_TIME_UNIT_MINUTES);
+ abort_task =
+ GNUNET_SCHEDULER_add_delayed (abort_time,
+ &do_abort,
+ (void*) __LINE__);
+ GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
+ "setup_timeout: %s\n",
+ GNUNET_STRINGS_relative_time_to_string (abort_time, GNUNET_YES));
+}
+
- fprintf (stderr, "END.\n");
+/**
+ * Main function.
+ *
+ * @param argc argument count
+ * @param argv argument values
+ * @return 0 on success
+ */
+int
+main (int argc, char *const *argv)
+{
+ static const struct GNUNET_GETOPT_CommandLineOption options[] = {
+ {'o', "output-file", "FILENAME",
+ gettext_noop ("name of the file for writing statistics"),
+ GNUNET_YES, &GNUNET_GETOPT_set_string, &data_filename},
+ {'t', "matching-timeout", "TIMEOUT",
+ gettext_noop ("wait TIMEOUT before ending the experiment"),
+ GNUNET_YES, &GNUNET_GETOPT_set_relative_time, &search_timeout_time},
+ {'p', "policy-dir", "DIRECTORY",
+ gettext_noop ("directory with policy files"),
+ GNUNET_YES, &GNUNET_GETOPT_set_filename, &policy_dir},
+ {'s', "strings-file", "FILENAME",
+ gettext_noop ("name of file with input strings"),
+ GNUNET_YES, &GNUNET_GETOPT_set_filename, &strings_file},
+ {'H', "hosts-file", "FILENAME",
+ gettext_noop ("name of file with hosts' names"),
+ GNUNET_YES, &GNUNET_GETOPT_set_filename, &hosts_file},
+ GNUNET_GETOPT_OPTION_END
+ };
+ int ret;
- if (GNUNET_SYSERR == result || GNUNET_OK != ret)
+ if (GNUNET_OK != GNUNET_STRINGS_get_utf8_args (argc, argv, &argc, &argv))
+ return 2;
+ result = GNUNET_SYSERR;
+ ret =
+ GNUNET_PROGRAM_run (argc, argv,
+ "gnunet-regex-profiler",
+ _("Profiler for regex"),
+ options, &run, NULL);
+ if (GNUNET_OK != ret)
+ return ret;
+ if (GNUNET_OK != result)
return 1;
return 0;
}