/*
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 Stream API testing between 2 peers using testing API
- * @author Bart Polot
- * @author Max Szengel
+ * @brief Regex profiler for testing distributed regex use.
+ * @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 "gnunet_regex_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 SEARCHES_IN_PARALLEL 100
+
+/**
+ * DLL of operations
+ */
+struct DLLOperation
+{
+ /**
+ * The testbed operation handle
+ */
+ struct GNUNET_TESTBED_Operation *op;
+
+ /**
+ * Closure
+ */
+ void *cls;
-#define NUM_HOSTS 2
+ /**
+ * The next pointer for DLL
+ */
+ struct DLLOperation *next;
-#define PEER_PER_HOST 1
+ /**
+ * The prev pointer for DLL
+ */
+ struct DLLOperation *prev;
+};
-#define TOTAL_PEERS (NUM_HOSTS * PEER_PER_HOST)
/**
- * Shorthand for Relative time in seconds
+ * Available states during profiling
*/
-#define TIME_REL_SECS(sec) \
- GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_SECONDS, sec)
+enum State
+{
+ /**
+ * Initial state
+ */
+ STATE_INIT = 0,
+
+ /**
+ * Starting slaves
+ */
+ STATE_SLAVES_STARTING,
+
+ /**
+ * Creating peers
+ */
+ STATE_PEERS_CREATING,
+
+ /**
+ * Starting peers
+ */
+ STATE_PEERS_STARTING,
+
+ /**
+ * Linking peers
+ */
+ 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
+};
+
/**
- * Structure for holding peer's sockets and IO Handles
+ * Peer handles.
*/
-struct PeerData
+struct RegexPeer
{
/**
- * Handle to testbed peer
+ * Peer id.
*/
- struct GNUNET_TESTBED_Peer *peer;
+ unsigned int id;
/**
- * Peer's stream socket
+ * Peer configuration handle.
*/
- struct GNUNET_STREAM_Socket *socket;
+ struct GNUNET_CONFIGURATION_Handle *cfg;
/**
- * Peer's io write handle
+ * The actual testbed peer handle.
*/
- struct GNUNET_STREAM_IOWriteHandle *io_write_handle;
+ struct GNUNET_TESTBED_Peer *peer_handle;
/**
- * Peer's io read handle
+ * Host on which the peer is running.
*/
- struct GNUNET_STREAM_IOReadHandle *io_read_handle;
+ struct GNUNET_TESTBED_Host *host_handle;
/**
- * Peer's shutdown handle
+ * Filename of the peer's policy file.
*/
- struct GNUNET_STREAM_ShutdownHandle *shutdown_handle;
+ char *policy_file;
/**
- * The service connect operation to stream
+ * Peer's search string.
*/
- struct GNUNET_TESTBED_Operation *op;
+ const char *search_str;
/**
- * Our Peer id
+ * 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
*/
- struct GNUNET_PeerIdentity our_id;
+ int search_str_matched;
/**
- * Bytes the peer has written
+ * Peer's ARM handle.
*/
- unsigned int bytes_wrote;
+ struct GNUNET_ARM_Handle *arm_handle;
/**
- * Byte the peer has read
+ * Peer's DHT handle.
*/
- unsigned int bytes_read;
-};
+ struct GNUNET_DHT_Handle *dht_handle;
+ /**
+ * Handle to a running regex search.
+ */
+ struct GNUNET_REGEX_search_handle *search_handle;
+
+ /**
+ * Testbed operation handle for the ARM and DHT services.
+ */
+ struct GNUNET_TESTBED_Operation *op_handle;
-/**
- * Different states in test setup
- */
-enum SetupState
-{
/**
- * The initial state
+ * Peers's statistics handle.
*/
- INIT,
+ struct GNUNET_STATISTICS_Handle *stats_handle;
/**
- * Connecting to slave controller
+ * Testbed operation handle for the statistics service.
*/
- LINKING,
+ struct GNUNET_TESTBED_Operation *stats_op_handle;
- CREATING_PEER,
+ /**
+ * The starting time of a profiling step.
+ */
+ struct GNUNET_TIME_Absolute prof_start_time;
- STARTING_PEER
+ /**
+ * Operation timeout
+ */
+ GNUNET_SCHEDULER_TaskIdentifier timeout;
};
/**
- * Event Mask for operation callbacks
+ * An array of hosts loaded from the hostkeys file
+ */
+static struct GNUNET_TESTBED_Host **hosts;
+
+/**
+ * Array of peer handles used to pass to
+ * GNUNET_TESTBED_overlay_configure_topology
+ */
+static struct GNUNET_TESTBED_Peer **peer_handles;
+
+/**
+ * The array of peers; we fill this as the peers are given to us by the testbed
+ */
+static struct RegexPeer *peers;
+
+/**
+ * Host registration handle
+ */
+static struct GNUNET_TESTBED_HostRegistrationHandle *reg_handle;
+
+/**
+ * Handle to the master controller process
+ */
+static struct GNUNET_TESTBED_ControllerProc *mc_proc;
+
+/**
+ * Handle to the master controller
+ */
+static struct GNUNET_TESTBED_Controller *mc;
+
+/**
+ * Handle to global configuration
+ */
+static struct GNUNET_CONFIGURATION_Handle *cfg;
+
+/**
+ * Head of the operations list
*/
-uint64_t event_mask;
+static struct DLLOperation *dll_op_head;
/**
- * Testbed operation handle
+ * Tail of the operations list
*/
-static struct GNUNET_TESTBED_Operation *op[NUM_HOSTS];
+static struct DLLOperation *dll_op_tail;
-static enum SetupState state[NUM_HOSTS];
+/**
+ * Peer linking - topology operation
+ */
+static struct GNUNET_TESTBED_Operation *topology_op;
+
+/**
+ * The handle for whether a host is habitable or not
+ */
+struct GNUNET_TESTBED_HostHabitableCheckHandle **hc_handles;
+/**
+ * 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;
+
+/**
+ * Number of hosts in the hosts array
+ */
+static unsigned int num_hosts;
+
+/**
+ * Factor of number of links. num_links = num_peers * linking_factor.
+ */
+static unsigned int linking_factor;
+
+/**
+ * Number of random links to be established between peers
+ */
+static unsigned int num_links;
+
+/**
+ * Number of connect operations that have failed, candidates to retry
+ */
+static unsigned int retry_links;
+
+/**
+ * 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
+ * Search strings.
*/
-struct GNUNET_TESTBED_Host *master_host;
+static char **search_strings;
/**
- * The master controller process
+ * Number of search strings.
*/
-static struct GNUNET_TESTBED_ControllerProc *master_proc;
+static int num_search_strings;
/**
- * Handle to master controller
+ * How many searches are running in parallel
*/
-static struct GNUNET_TESTBED_Controller *master_ctrl;
+static unsigned int parallel_searches;
/**
- * Slave host IP addresses
+ * Index of peer/string search.
*/
+static unsigned int peer_cnt;
-static char *slave_ips[NUM_HOSTS] = { "192.168.1.33", "192.168.1.34" };
+/**
+ * Number of peers found with search strings.
+ */
+static unsigned int peers_found;
/**
- * The slave hosts
+ * Index of peer to start next announce/search..
*/
-struct GNUNET_TESTBED_Host *slave_hosts[NUM_HOSTS];
+static unsigned int next_search;
/**
- * Slave host registration handles
+ * Search task identifier
*/
-static struct GNUNET_TESTBED_HostRegistrationHandle *rh;
+static GNUNET_SCHEDULER_TaskIdentifier search_task;
/**
- * 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 };
+/**
+ * How long do we wait before starting the search?
+ * Default: 1 m.
+ */
+static struct GNUNET_TIME_Relative search_delay = { 60000 };
/**
- * Completion callback for shutdown
- *
- * @param cls the closure from GNUNET_STREAM_shutdown call
- * @param operation the operation that was shutdown (SHUT_RD, SHUT_WR,
- * SHUT_RDWR)
+ * File to log statistics to.
*/
-// 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 struct GNUNET_DISK_FileHandle *data_file;
+/**
+ * Filename to log statistics to.
+ */
+static char *data_filename;
+
+/**
+ * Maximal path compression length.
+ */
+static unsigned int max_path_compression;
+/**
+ * Prefix used for regex announcing. We need to prefix the search
+ * strings with it, in order to find something.
+ */
+static char * regex_prefix;
/**
- * Shutdown sockets gracefully
+ * What's the maximum regex reannounce period.
*/
-// 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 struct GNUNET_TIME_Relative reannounce_period_max;
+
+/******************************************************************************/
+/****************************** DECLARATIONS ********************************/
+/******************************************************************************/
/**
- * Something went wrong and timed out. Kill everything and set error flag
+ * DHT connect callback.
+ *
+ * @param cls internal peer id.
+ * @param op operation handle.
+ * @param ca_result connect adapter result.
+ * @param emsg error message.
*/
static void
-do_abort (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
-{
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "test: ABORT\n");
- result = GNUNET_SYSERR;
- abort_task = 0;
-}
+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);
/**
* Adapter function called to destroy a connection to
- * a service.
+ * the DHT service
*
* @param cls closure
* @param op_result service handle returned from the connect adapter
*/
-// 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
+dht_da (void *cls, void *op_result);
/**
- * Adapter function called to establish a connection to
- * a service.
+ * Function called by testbed once we are connected to stats
+ * service. Get the statistics for the services of interest.
*
- * @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
+ * @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 *
-// 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);
-// }
-// }
-
-
-/**
- * Controller event callback
+static void
+stats_connect_cb (void *cls,
+ struct GNUNET_TESTBED_Operation *op,
+ void *ca_result,
+ const char *emsg);
+
+
+/**
+ * Task to collect all statistics from s, will shutdown the
+ * profiler, when done.
*
* @param cls NULL
- * @param event the controller event
+ * @param tc the task context
*/
-// static void
-// controller_event_cb (void *cls,
-// const struct GNUNET_TESTBED_EventInformation *event)
-// {
-// switch (event->type)
-// {
-// case GNUNET_TESTBED_ET_CONNECT:
-// GNUNET_assert (INIT == setup_state);
-// GNUNET_TESTBED_operation_done (op);
-// /* Get the peer identity and configuration of peers */
-// op = GNUNET_TESTBED_peer_get_information (peer1.peer,
-// GNUNET_TESTBED_PIT_IDENTITY,
-// &peerinfo_cb, NULL);
-// setup_state = PEER1_GET_IDENTITY;
-// break;
-// case GNUNET_TESTBED_ET_OPERATION_FINISHED:
-// switch (setup_state)
-// {
-// case PEER1_STREAM_CONNECT:
-// case PEER2_STREAM_CONNECT:
-// GNUNET_assert (NULL == event->details.operation_finished.emsg);
-// break;
-// default:
-// GNUNET_assert (0);
-// }
-// break;
-// default:
-// GNUNET_assert (0);
-// }
-// }
-
-
-/**
- * Signature of a main function for a testcase.
+static void
+do_collect_stats (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc);
+
+
+/**
+ * Start announcing the next regex in the DHT.
*
- * @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);
-// }
+ * @param cls Index of the next peer in the peers array.
+ * @param tc TaskContext.
+ */
+static void
+announce_next_regex (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc);
+
+
+/******************************************************************************/
+/******************************** SHUTDOWN **********************************/
+/******************************************************************************/
+
/**
- * Functions of this signature are called when a peer has been successfully
- * started or stopped.
+ * Shutdown nicely
*
- * @param cls the closure from GNUNET_TESTBED_peer_start/stop()
- * @param emsg NULL on success; otherwise an error description
+ * @param cls NULL
+ * @param tc the task context
*/
static void
-peer_start_cb (void *cls, const char *emsg)
+do_shutdown (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
{
- long i = (long) cls;
+ struct DLLOperation *dll_op;
+ struct RegexPeer *peer;
+ unsigned int nhost;
+ 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 (NULL != hc_handles)
+ {
+ for (nhost = 0; nhost < num_hosts; nhost++)
+ if (NULL != hc_handles[nhost])
+ GNUNET_TESTBED_is_host_habitable_cancel (hc_handles[nhost]);
+ GNUNET_free (hc_handles);
+ hc_handles = NULL;
+ }
+ 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 With policy file: %s\n%p After: %s\n",
+ peer, peer->search_str, peer->search_str_matched,
+ peer, peer->id, peer,
+ peer, peer->policy_file,
+ 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");
+ }
- 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 (NULL != peers[peer_cnt].op_handle)
+ GNUNET_TESTBED_operation_done (peers[peer_cnt].op_handle);
+ if (NULL != peers[peer_cnt].stats_op_handle)
+ GNUNET_TESTBED_operation_done (peers[peer_cnt].stats_op_handle);
+ }
+
+ if (NULL != data_file)
+ GNUNET_DISK_file_close (data_file);
- if (TOTAL_PEERS == peers_started)
+ for (search_str_cnt = 0;
+ search_str_cnt < num_search_strings && 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 != topology_op)
+ GNUNET_TESTBED_operation_done (topology_op);
+ for (nhost = 0; nhost < num_hosts; nhost++)
+ if (NULL != hosts[nhost])
+ GNUNET_TESTBED_host_destroy (hosts[nhost]);
+ GNUNET_free_non_null (hosts);
+
+ while (NULL != (dll_op = dll_op_head))
{
- GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "ok\n");
+ GNUNET_TESTBED_operation_done (dll_op->op);
+ GNUNET_CONTAINER_DLL_remove (dll_op_head, dll_op_tail, dll_op);
+ GNUNET_free (dll_op);
}
+ 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 */
}
/**
- * Functions of this signature are called when a peer has been successfully
- * created
+ * abort task to run on test timed out
*
- * @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_abort (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
{
- long i = (long) cls;
- long peer_id;
+ unsigned long i = (unsigned long) cls;
+
+ GNUNET_log (GNUNET_ERROR_TYPE_WARNING, "Aborting %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);
+}
-// 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);
+
+/******************************************************************************/
+/********************* STATISTICS SERVICE CONNECTIONS ***********************/
+/******************************************************************************/
+
+/**
+ * Adapter function called to establish a connection to
+ * statistics 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 *
+stats_ca (void *cls, const struct GNUNET_CONFIGURATION_Handle *cfg)
+{
+ return GNUNET_STATISTICS_create ("<driver>", cfg);
}
/**
- * Signature of the event handler function called by the
- * respective event controller.
+ * Adapter function called to destroy a connection to
+ * statistics service.
*
* @param cls closure
- * @param event information about the event
+ * @param op_result service handle returned from the connect adapter
*/
static void
-controller_cb (void *cls, const struct GNUNET_TESTBED_EventInformation *event)
+stats_da (void *cls, void *op_result)
{
- long i;
+ struct RegexPeer *peer = cls;
- switch (event->type)
- {
- 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_assert (op_result == peer->stats_handle);
- break;
- case GNUNET_TESTBED_ET_PEER_STOP:
- case GNUNET_TESTBED_ET_CONNECT:
- break;
- case GNUNET_TESTBED_ET_OPERATION_FINISHED:
- if (NULL != event->details.operation_finished.emsg)
- {
- GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "Testbed error: %s\n",
- event->details.operation_finished.emsg);
- GNUNET_assert (0);
- }
- GNUNET_TESTBED_operation_done (event->details.operation_finished.operation);
- //GNUNET_assert (NULL != event->details.operation_finished.op_cls);
- i = (long) event->details.operation_finished.op_cls;
- op[i] = NULL;
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, " Operation %u finished\n", i);
- switch (state[i])
- {
- case INIT:
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, " Init: %u\n", i);
- break;
- case LINKING:
- 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_log (GNUNET_ERROR_TYPE_DEBUG, " Peer create\n");
- break;
- default:
- GNUNET_break (0);
- }
- break;
- default:
- GNUNET_break (0);
+ GNUNET_STATISTICS_destroy (peer->stats_handle, GNUNET_NO);
+ peer->stats_handle = NULL;
+}
+
+
+/**
+ * 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)
+{
+ struct RegexPeer *peer = cls;
+ char output_buffer[512];
+ size_t size;
+
+ 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;
}
+
/**
- * Callback which will be called to after a host registration succeeded or failed
+ * Stats callback. Finish the stats testbed operation and when all stats have
+ * been iterated, shutdown the profiler.
*
- * @param cls the host which has been registered
- * @param emsg the error message; NULL if host registration is successful
+ * @param cls closure
+ * @param success GNUNET_OK if statistics were
+ * successfully obtained, GNUNET_SYSERR if not.
*/
static void
-registration_cont (void *cls, const char *emsg)
+stats_cb (void *cls,
+ int success)
{
- if (NULL != emsg)
+ static unsigned int peer_cnt;
+ struct RegexPeer *peer = cls;
+
+ if (GNUNET_OK != success)
{
- 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);
+ GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
+ "Getting statistics for peer %u failed!\n",
+ peer->id);
return;
}
+
+ GNUNET_assert (NULL != peer->stats_op_handle);
+
+ GNUNET_TESTBED_operation_done (peer->stats_op_handle);
+ peer->stats_op_handle = NULL;
+
+ peer_cnt++;
+ peer = &peers[peer_cnt];
+
+ if (peer_cnt == num_peers)
+ {
+ struct GNUNET_TIME_Relative delay = { 100 };
+ shutdown_task = GNUNET_SCHEDULER_add_delayed (delay, &do_shutdown, NULL);
+ }
+ else
+ {
+ peer->stats_op_handle =
+ GNUNET_TESTBED_service_connect (NULL,
+ peer->peer_handle,
+ "statistics",
+ &stats_connect_cb,
+ peer,
+ &stats_ca,
+ &stats_da,
+ peer);
+ }
}
+
/**
- * Callback to signal successfull startup of the controller process
+ * 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_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 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
-status_cb (void *cls, const struct GNUNET_CONFIGURATION_Handle *config,
- int status)
+stats_connect_cb (void *cls,
+ struct GNUNET_TESTBED_Operation *op,
+ void *ca_result,
+ const char *emsg)
{
- unsigned int i;
+ struct RegexPeer *peer = cls;
+
+ if (NULL == ca_result || NULL != emsg)
+ {
+ GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
+ "Failed to connect to statistics service on peer %u: %s\n",
+ peer->id, emsg);
- if (NULL == config || GNUNET_OK != status)
+ peer->stats_handle = 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);
+ peer->stats_handle = ca_result;
- for (i = 0; i < NUM_HOSTS; i++)
+ 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_DEBUG, " Creating host %u\n", i);
- slave_hosts[i] = GNUNET_TESTBED_host_create (slave_ips[i], NULL, 0);
- GNUNET_assert (NULL != slave_hosts[i]);
+ GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
+ "Could not get statistics of peer %u!\n", peer->id);
}
- 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);
}
/**
- * Main run function.
+ * Task to collect all statistics from all peers, will shutdown the
+ * profiler, when done.
*
* @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 tc the task context
*/
static void
-run (void *cls, char *const *args, const char *cfgfile,
- const struct GNUNET_CONFIGURATION_Handle *config)
+do_collect_stats (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
{
- 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);
+ struct RegexPeer *peer = &peers[0];
+
+ GNUNET_assert (NULL != peer->peer_handle);
+
+ peer->stats_op_handle =
+ GNUNET_TESTBED_service_connect (NULL,
+ peer->peer_handle,
+ "statistics",
+ &stats_connect_cb,
+ peer,
+ &stats_ca,
+ &stats_da,
+ peer);
}
+
+/******************************************************************************/
+/************************ REGEX FIND CONNECTIONS **************************/
+/******************************************************************************/
+
+
/**
- * Main function
+ * Start searching for the next string in the DHT.
+ *
+ * @param cls Index of the next peer in the peers array.
+ * @param tc TaskContext.
*/
-int
-main (int argc, char **argv)
+static void
+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 GNUNET_REGEX_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)
+{
+ struct RegexPeer *peer = cls;
+ char output_buffer[512];
+ size_t size;
+
+ if (GNUNET_YES == peer->search_str_matched)
+ {
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "String %s on peer %u already matched!\n",
+ peer->search_str, peer->id);
+ return;
+ }
+
+ peers_found++;
+ parallel_searches--;
+
+ if (GNUNET_SCHEDULER_NO_TASK != peer->timeout)
+ {
+ GNUNET_SCHEDULER_cancel (peer->timeout);
+ peer->timeout = GNUNET_SCHEDULER_NO_TASK;
+ 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, peers_found, num_search_strings);
+ 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),
+ peers_found, num_search_strings, parallel_searches);
+
+ peer->search_str_matched = GNUNET_YES;
+
+ if (NULL != data_file)
+ {
+ size =
+ GNUNET_snprintf (output_buffer,
+ sizeof (output_buffer),
+ "%p Peer: %u\n%p Host: %s\n%p Policy file: %s\n"
+ "%p Search string: %s\n%p Search duration: %s\n\n",
+ peer, peer->id,
+ peer,
+ GNUNET_TESTBED_host_get_hostname (peer->host_handle),
+ peer, peer->policy_file,
+ 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");
+ }
+ }
+
+ GNUNET_TESTBED_operation_done (peer->op_handle);
+ peer->op_handle = NULL;
+
+ if (peers_found == num_search_strings)
+ {
+ 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_SCHEDULER_cancel (search_timeout_task);
+
+ GNUNET_log (GNUNET_ERROR_TYPE_INFO, "Collecting stats and shutting down.\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_timeout (void *cls,
+ const struct GNUNET_SCHEDULER_TaskContext * tc)
+{
+ 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", peers_found, num_search_strings);
+
+ 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));
+
+ GNUNET_SCHEDULER_add_now (&do_collect_stats, NULL);
+}
+
+
+/**
+ * Search timed out. It might still complete in the future,
+ * but we should start another one.
+ *
+ * @param cls Index of the next peer in the peers array.
+ * @param tc TaskContext.
+ */
+static void
+find_timeout (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. Starting new search.\n",
+ p->search_str,
+ p->id);
+ 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)
+{
+ if (0 != (tc->reason & GNUNET_SCHEDULER_REASON_SHUTDOWN) ||
+ peer_cnt >= num_search_strings)
+ return;
+
+ peers[peer_cnt].search_str = search_strings[peer_cnt];
+ peers[peer_cnt].search_str_matched = GNUNET_NO;
+ GNUNET_log (GNUNET_ERROR_TYPE_INFO,
+ "Searching for string \"%s\" on peer %d with file %s (%u||)\n",
+ peers[peer_cnt].search_str,
+ peer_cnt,
+ peers[peer_cnt].policy_file,
+ parallel_searches);
+
+ peers[peer_cnt].op_handle =
+ GNUNET_TESTBED_service_connect (NULL,
+ peers[peer_cnt].peer_handle,
+ "dht",
+ &dht_connect_cb,
+ &peers[peer_cnt],
+ &dht_ca,
+ &dht_da,
+ &peers[peer_cnt]);
+ peers[peer_cnt].timeout = GNUNET_SCHEDULER_add_delayed (FIND_TIMEOUT,
+ &find_timeout,
+ &peers[peer_cnt]);
+ peer_cnt++;
+}
+
+
+/**
+ * ARM connect adapter. Opens a connection to the ARM service.
+ *
+ * @param cls Closure (peer).
+ * @param cfg Configuration handle.
+ *
+ * @return
+ */
+static void *
+arm_ca (void *cls, const struct GNUNET_CONFIGURATION_Handle *cfg)
+{
+ struct RegexPeer *peer = cls;
+
+ peer->arm_handle = GNUNET_ARM_connect (cfg, NULL, NULL);
+
+ return peer->arm_handle;
+}
+
+
+/**
+ * Adapter function called to destroy a connection to the ARM service.
+ *
+ * @param cls Closure (peer).
+ * @param op_result Service handle returned from the connect adapter.
+ */
+static void
+arm_da (void *cls, void *op_result)
+{
+ struct RegexPeer *peer = (struct RegexPeer *) cls;
+
+ GNUNET_assert (peer->arm_handle == op_result);
+
+ if (NULL != peer->arm_handle)
+ {
+ GNUNET_ARM_disconnect_and_free (peer->arm_handle);
+ peer->arm_handle = NULL;
+ }
+}
+
+/**
+ * Finish and free the operation used to start the regex daemon.
+ * operation_done calls ARM_disconnect, which cannot happen inside an
+ * ARM callback.
+ *
+ * @param cls Closure (Peer info)
+ * @param tc TaskContext
+ */
+static void
+arm_op_done (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
+{
+ struct RegexPeer *peer = (struct RegexPeer *) cls;
+
+ GNUNET_TESTBED_operation_done (peer->op_handle);
+ peer->op_handle = NULL;
+}
+
+
+/**
+ * Callback called when arm has started the daemon we asked for.
+ *
+ * @param cls Closure ().
+ * @param arm Arm handle.
+ * @param rs Status of the request.
+ * @param service Service we asked to start (deamon).
+ * @param result Result of the request.
+ */
+static void
+arm_start_cb (void *cls, struct GNUNET_ARM_Handle *arm,
+ enum GNUNET_ARM_RequestStatus rs, const char *service,
+ enum GNUNET_ARM_Result result)
+{
+ struct RegexPeer *peer = (struct RegexPeer *) cls;
+
+ if (rs != GNUNET_ARM_REQUEST_SENT_OK)
+ {
+ GNUNET_log (GNUNET_ERROR_TYPE_WARNING, "ARM request was not sent: %u\n", rs);
+ GNUNET_abort ();
+ }
+ switch (result)
+ {
+ /**
+ * Asked to start it, but it's already starting.
+ */
+ case GNUNET_ARM_RESULT_IS_STARTING_ALREADY:
+ GNUNET_break (0); /* Shouldn't be starting, however it's not fatal. */
+ /* fallthrough */
+
+ /**
+ * Service is currently being started (due to client request).
+ */
+ case GNUNET_ARM_RESULT_STARTING:
+ GNUNET_SCHEDULER_add_now (&arm_op_done, peer);
+
+ {
+ long search_peer;
+ unsigned int i;
+ unsigned int me;
+
+ me = peer - peers;
+
+ /* 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[me];
+ GNUNET_SCHEDULER_add_delayed (GNUNET_TIME_relative_multiply(
+ reannounce_period_max,
+ 2),
+ &find_string,
+ (void *) search_peer);
+ }
+ if (next_search >= num_peers &&
+ GNUNET_SCHEDULER_NO_TASK == search_timeout_task)
+ {
+ GNUNET_log (GNUNET_ERROR_TYPE_INFO, "All daemons started.\n");
+ /* FIXME start GLOBAL timeout to abort experiment */
+ search_timeout_task = GNUNET_SCHEDULER_add_delayed (search_timeout_time,
+ &search_timeout,
+ NULL);
+ }
+ break;
+
+ default:
+ GNUNET_log (GNUNET_ERROR_TYPE_WARNING, "ARM returned %d\n", result);
+ GNUNET_abort ();
+ }
+}
+
+/**
+ * ARM connect callback. Called when we are connected to the arm service for
+ * the peer in 'cls'. If successfull we start the regex deamon to start
+ * announcing the regex of this peer.
+ *
+ * @param cls internal peer id.
+ * @param op operation handle.
+ * @param ca_result connect adapter result.
+ * @param emsg error message.
+ */
+static void
+arm_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, "ARM connect failed: %s\n", emsg);
+ GNUNET_abort ();
+ }
+
+ GNUNET_assert (NULL != peer->arm_handle);
+ GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "[]%p - ()%p\n", peer->op_handle, op);
+ GNUNET_assert (peer->op_handle == op);
+ GNUNET_assert (peer->arm_handle == ca_result);
+
+ GNUNET_ARM_request_service_start (ca_result, "regexprofiler",
+ GNUNET_OS_INHERIT_STD_NONE,
+ GNUNET_TIME_UNIT_FOREVER_REL,
+ arm_start_cb, cls);
+}
+
+
+/**
+ * Task to start the daemons on each peer so that the regexes are announced
+ * into the DHT.
+ *
+ * @param cls NULL
+ * @param tc the task context
+ */
+static void
+do_announce (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
+{
+ unsigned int i;
+
+ GNUNET_log (GNUNET_ERROR_TYPE_INFO, "Starting announce.\n");
+
+ for (i = 0; i < SEARCHES_IN_PARALLEL; 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)
+{
+ if (0 != (tc->reason & GNUNET_SCHEDULER_REASON_SHUTDOWN) ||
+ next_search >= num_peers)
+ return;
+
+ /* First connect to arm service, then announce. Next
+ * a nnounce will be in arm_connect_cb */
+ GNUNET_log (GNUNET_ERROR_TYPE_INFO, "Starting daemon %u\n", next_search);
+ peers[next_search].op_handle =
+ GNUNET_TESTBED_service_connect (NULL,
+ peers[next_search].peer_handle,
+ "arm",
+ &arm_connect_cb,
+ &peers[next_search],
+ &arm_ca,
+ &arm_da,
+ &peers[next_search]);
+ 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 = GNUNET_REGEX_search (peer->dht_handle,
+ peer->search_str,
+ ®ex_found_handler, peer,
+ NULL);
+ peer->prof_start_time = GNUNET_TIME_absolute_get ();
+}
+
+
+/**
+ * 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)
+ {
+ GNUNET_REGEX_search_cancel (peer->search_handle);
+ peer->search_handle = NULL;
+ }
+
+ if (NULL != peer->dht_handle)
+ {
+ GNUNET_DHT_disconnect (peer->dht_handle);
+ peer->dht_handle = NULL;
+ }
+}
+
+
+/******************************************************************************/
+/*************************** TESTBED PEER SETUP *****************************/
+/******************************************************************************/
+
+
+/**
+ * Configure the peer overlay topology.
+ *
+ * @param cls NULL
+ * @param tc the task context
+ */
+static void
+do_configure_topology (void *cls,
+ const struct GNUNET_SCHEDULER_TaskContext * tc)
+{
+ /*
+ if (0 == linking_factor)
+ linking_factor = 1;
+ num_links = linking_factor * num_peers;
+ */
+ /* num_links = num_peers - 1; */
+ num_links = linking_factor;
+
+ /* Do overlay connect */
+ prof_start_time = GNUNET_TIME_absolute_get ();
+ topology_op =
+ GNUNET_TESTBED_overlay_configure_topology (NULL, num_peers, peer_handles,
+ NULL,
+ NULL,
+ NULL,
+ GNUNET_TESTBED_TOPOLOGY_ERDOS_RENYI,
+ num_links,
+ GNUNET_TESTBED_TOPOLOGY_RETRY_CNT,
+ (unsigned int) 0,
+ GNUNET_TESTBED_TOPOLOGY_OPTION_END);
+ if (NULL == topology_op)
+ {
+ GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
+ "Cannot create topology, op handle was NULL\n");
+ GNUNET_assert (0);
+ }
+}
+
+
+/**
+ * Functions of this signature are called when a peer has been successfully
+ * started or stopped.
+ *
+ * @param cls the closure from GNUNET_TESTBED_peer_start/stop()
+ * @param emsg NULL on success; otherwise an error description
+ */
+static void
+peer_churn_cb (void *cls, const char *emsg)
+{
+ struct DLLOperation *dll_op = cls;
+ struct GNUNET_TESTBED_Operation *op;
+ static unsigned int started_peers;
+ unsigned int peer_cnt;
+
+ op = dll_op->op;
+ GNUNET_CONTAINER_DLL_remove (dll_op_head, dll_op_tail, dll_op);
+ GNUNET_free (dll_op);
+ if (NULL != emsg)
+ {
+ GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
+ _("An operation has failed while starting peers: %s\n"), emsg);
+ GNUNET_TESTBED_operation_done (op);
+ if (GNUNET_SCHEDULER_NO_TASK != abort_task)
+ GNUNET_SCHEDULER_cancel (abort_task);
+ abort_task = GNUNET_SCHEDULER_add_now (&do_abort, (void*) __LINE__);
+ return;
+ }
+ GNUNET_TESTBED_operation_done (op);
+ if (++started_peers == num_peers)
+ {
+ prof_time = GNUNET_TIME_absolute_get_duration (prof_start_time);
+ GNUNET_log (GNUNET_ERROR_TYPE_INFO,
+ "All peers started successfully in %s\n",
+ GNUNET_STRINGS_relative_time_to_string (prof_time, GNUNET_NO));
+ result = GNUNET_OK;
+
+ peer_handles = GNUNET_malloc (sizeof (struct GNUNET_TESTBED_Peer *) * num_peers);
+ for (peer_cnt = 0; peer_cnt < num_peers; peer_cnt++)
+ peer_handles[peer_cnt] = peers[peer_cnt].peer_handle;
+
+ state = STATE_PEERS_LINKING;
+ GNUNET_SCHEDULER_add_now (&do_configure_topology, NULL);
+ }
+}
+
+
+/**
+ * Functions of this signature are called when a peer has been successfully
+ * created
+ *
+ * @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
+ */
+static void
+peer_create_cb (void *cls, struct GNUNET_TESTBED_Peer *peer, const char *emsg)
+{
+ struct DLLOperation *dll_op = cls;
+ struct RegexPeer *peer_ptr;
+ static unsigned int created_peers;
+ unsigned int peer_cnt;
+
+ if (NULL != emsg)
+ {
+ GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
+ _("Creating a peer failed. Error: %s\n"), emsg);
+ GNUNET_TESTBED_operation_done (dll_op->op);
+ GNUNET_CONTAINER_DLL_remove (dll_op_head, dll_op_tail, dll_op);
+ GNUNET_free (dll_op);
+ if (GNUNET_SCHEDULER_NO_TASK != abort_task)
+ GNUNET_SCHEDULER_cancel (abort_task);
+ abort_task = GNUNET_SCHEDULER_add_now (&do_abort, (void*) __LINE__);
+ return;
+ }
+
+ peer_ptr = dll_op->cls;
+ GNUNET_assert (NULL == peer_ptr->peer_handle);
+ GNUNET_CONFIGURATION_destroy (peer_ptr->cfg);
+ peer_ptr->cfg = NULL;
+ peer_ptr->peer_handle = peer;
+ GNUNET_TESTBED_operation_done (dll_op->op);
+ GNUNET_CONTAINER_DLL_remove (dll_op_head, dll_op_tail, dll_op);
+ GNUNET_free (dll_op);
+
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Peer %i created on host %s\n",
+ peer_ptr->id,
+ GNUNET_TESTBED_host_get_hostname (peer_ptr->host_handle));
+
+ if (++created_peers == num_peers)
+ {
+ prof_time = GNUNET_TIME_absolute_get_duration (prof_start_time);
+ GNUNET_log (GNUNET_ERROR_TYPE_INFO,
+ "All peers created successfully in %s\n",
+ GNUNET_STRINGS_relative_time_to_string (prof_time, GNUNET_NO));
+ /* Now peers are to be started */
+ state = STATE_PEERS_STARTING;
+ prof_start_time = GNUNET_TIME_absolute_get ();
+ for (peer_cnt = 0; peer_cnt < num_peers; peer_cnt++)
+ {
+ dll_op = GNUNET_malloc (sizeof (struct DLLOperation));
+ dll_op->op = GNUNET_TESTBED_peer_start (dll_op,
+ peers[peer_cnt].peer_handle,
+ &peer_churn_cb, dll_op);
+ GNUNET_CONTAINER_DLL_insert_tail (dll_op_head, dll_op_tail, dll_op);
+ }
+ }
+}
+
+
+/**
+ * Function called with a filename for each file in the policy directory. Create
+ * a peer for each filename and update the peer's configuration to include the
+ * max_path_compression specified as a command line argument as well as the
+ * policy_file for this peer. The gnunet-service-regexprofiler service is
+ * automatically started on this peer. The service reads the configurration and
+ * announces the regexes stored in the policy file 'filename'.
+ *
+ * @param cls closure
+ * @param filename complete filename (absolute path)
+ * @return GNUNET_OK to continue to iterate,
+ * GNUNET_SYSERR to abort iteration with error!
+ */
+static int
+policy_filename_cb (void *cls, const char *filename)
+{
+ static unsigned int peer_cnt;
+ struct DLLOperation *dll_op;
+ struct RegexPeer *peer = &peers[peer_cnt];
+
+ GNUNET_assert (NULL != peer);
+
+ peer->policy_file = GNUNET_strdup (filename);
+
+ GNUNET_log (GNUNET_ERROR_TYPE_INFO,
+ "Creating peer %i on host %s for policy file %s\n",
+ peer->id, GNUNET_TESTBED_host_get_hostname (peer->host_handle),
+ filename);
+
+ /* Set configuration options specific for this peer
+ (max_path_compression and policy_file */
+ peer->cfg = GNUNET_CONFIGURATION_dup (cfg);
+ GNUNET_CONFIGURATION_set_value_number (peer->cfg, "REGEXPROFILER",
+ "MAX_PATH_COMPRESSION",
+ (unsigned long long)
+ max_path_compression);
+ GNUNET_CONFIGURATION_set_value_string (peer->cfg, "REGEXPROFILER",
+ "POLICY_FILE", filename);
+
+ dll_op = GNUNET_malloc (sizeof (struct DLLOperation));
+ dll_op->cls = &peers[peer_cnt];
+ dll_op->op = GNUNET_TESTBED_peer_create (mc,
+ peer->host_handle,
+ peer->cfg,
+ &peer_create_cb,
+ dll_op);
+ GNUNET_CONTAINER_DLL_insert_tail (dll_op_head, dll_op_tail, dll_op);
+
+ peer_cnt++;
+
+ return GNUNET_OK;
+}
+
+
+/**
+ * Controller event callback.
+ *
+ * @param cls NULL
+ * @param event the controller event
+ */
+static void
+controller_event_cb (void *cls,
+ const struct GNUNET_TESTBED_EventInformation *event)
{
+ struct DLLOperation *dll_op;
+ struct GNUNET_TESTBED_Operation *op;
int ret;
- int test_hosts;
+
+ switch (state)
+ {
+ case STATE_SLAVES_STARTING:
+ switch (event->type)
+ {
+ case GNUNET_TESTBED_ET_OPERATION_FINISHED:
+ {
+ static unsigned int slaves_started;
+ unsigned int peer_cnt;
+
+ dll_op = event->op_cls;
+ GNUNET_CONTAINER_DLL_remove (dll_op_head, dll_op_tail, dll_op);
+ GNUNET_free (dll_op);
+ op = event->op;
+ if (NULL != event->details.operation_finished.emsg)
+ {
+ GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
+ _("An operation has failed while starting slaves\n"));
+ GNUNET_TESTBED_operation_done (op);
+ if (GNUNET_SCHEDULER_NO_TASK != abort_task)
+ GNUNET_SCHEDULER_cancel (abort_task);
+ abort_task = GNUNET_SCHEDULER_add_now (&do_abort, (void*) __LINE__);
+ return;
+ }
+ GNUNET_TESTBED_operation_done (op);
+ /* Proceed to start peers */
+ if (++slaves_started == num_hosts - 1)
+ {
+ GNUNET_log (GNUNET_ERROR_TYPE_INFO,
+ "All slaves started successfully\n");
+
+ state = STATE_PEERS_CREATING;
+ prof_start_time = GNUNET_TIME_absolute_get ();
+
+ if (-1 == (ret = GNUNET_DISK_directory_scan (policy_dir,
+ NULL,
+ NULL)))
+ {
+ GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
+ _("No files found in `%s'\n"),
+ policy_dir);
+ GNUNET_SCHEDULER_shutdown ();
+ return;
+ }
+ num_peers = (unsigned int) ret;
+ peers = GNUNET_malloc (sizeof (struct RegexPeer) * num_peers);
+
+ /* Initialize peers */
+ for (peer_cnt = 0; peer_cnt < num_peers; peer_cnt++)
+ {
+ struct RegexPeer *peer = &peers[peer_cnt];
+ peer->id = peer_cnt;
+ peer->policy_file = NULL;
+ /* Do not start peers on hosts[0] (master controller) */
+ peer->host_handle = hosts[1 + (peer_cnt % (num_hosts -1))];
+ peer->dht_handle = NULL;
+ peer->search_handle = NULL;
+ peer->stats_handle = NULL;
+ peer->stats_op_handle = NULL;
+ peer->search_str = NULL;
+ peer->search_str_matched = GNUNET_NO;
+ }
+
+ GNUNET_DISK_directory_scan (policy_dir,
+ &policy_filename_cb,
+ NULL);
+ }
+ }
+ break;
+ default:
+ GNUNET_assert (0);
+ }
+ break;
+ case STATE_PEERS_STARTING:
+ switch (event->type)
+ {
+ case GNUNET_TESTBED_ET_OPERATION_FINISHED:
+ /* Control reaches here when peer start fails */
+ case GNUNET_TESTBED_ET_PEER_START:
+ /* we handle peer starts in peer_churn_cb */
+ break;
+ default:
+ GNUNET_assert (0);
+ }
+ break;
+ case STATE_PEERS_LINKING:
+ switch (event->type)
+ {
+ static unsigned int established_links;
+ case GNUNET_TESTBED_ET_OPERATION_FINISHED:
+ /* Control reaches here when a peer linking operation fails */
+ if (NULL != event->details.operation_finished.emsg)
+ {
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ _("An operation has failed while linking\n"));
+ printf ("F%u/%u(%s)",
+ retry_links + 1, established_links + 1,
+ event->details.operation_finished.emsg);
+ fflush (stdout);
+ retry_links++;
+ }
+ /* We do no retries, consider this link as established */
+ /* break; */
+ case GNUNET_TESTBED_ET_CONNECT:
+ {
+ char output_buffer[1024];
+ size_t size;
+
+ if (0 == established_links)
+ GNUNET_log (GNUNET_ERROR_TYPE_INFO, "Establishing links .");
+ else
+ {
+ printf (".");fflush (stdout);
+ }
+ if (++established_links == num_links)
+ {
+ prof_time = GNUNET_TIME_absolute_get_duration (prof_start_time);
+ GNUNET_log (GNUNET_ERROR_TYPE_INFO,
+ "%u links established in %s\n",
+ num_links,
+ GNUNET_STRINGS_relative_time_to_string (prof_time,
+ GNUNET_NO));
+ prof_time = GNUNET_TIME_relative_divide(prof_time, num_links);
+ GNUNET_log (GNUNET_ERROR_TYPE_INFO,
+ "Average of %s per connection\n",
+ GNUNET_STRINGS_relative_time_to_string (prof_time,
+ GNUNET_NO));
+ result = GNUNET_OK;
+ GNUNET_free (peer_handles);
+
+ if (NULL != data_file)
+ {
+ size =
+ GNUNET_snprintf (output_buffer,
+ sizeof (output_buffer),
+ "# of peers: %u\n# of links established: %u\n"
+ "Time to establish links: %s\n"
+ "Linking failures: %u\n"
+ "path compression length: %u\n"
+ "# of search strings: %u\n",
+ num_peers,
+ (established_links - retry_links),
+ GNUNET_STRINGS_relative_time_to_string (prof_time,
+ GNUNET_NO),
+ retry_links,
+ max_path_compression,
+ num_search_strings);
+
+ if (size != GNUNET_DISK_file_write (data_file, output_buffer, size))
+ GNUNET_log (GNUNET_ERROR_TYPE_WARNING, "Unable to write to file!\n");
+ }
+
+ GNUNET_log (GNUNET_ERROR_TYPE_INFO,
+ "\nWaiting %s before starting to announce.\n",
+ GNUNET_STRINGS_relative_time_to_string (search_delay,
+ GNUNET_NO));
+ state = STATE_SEARCH_REGEX;
+ search_task = GNUNET_SCHEDULER_add_delayed (search_delay,
+ &do_announce, NULL);
+ }
+ }
+ break;
+ default:
+ GNUNET_assert (0);
+ }
+ break;
+ case STATE_SEARCH_REGEX:
+ {
+ /* Handled in service connect callback */
+ break;
+ }
+ default:
+ switch (state)
+ {
+ case STATE_PEERS_CREATING:
+ GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "Failed to create peer\n");
+ break;
+ default:
+ GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
+ "Unexpected controller_cb with state %i!\n", state);
+ }
+ GNUNET_assert (0);
+ }
+}
+
+
+/**
+ * Task to register all hosts available in the global host list.
+ *
+ * @param cls NULL
+ * @param tc the scheduler task context
+ */
+static void
+register_hosts (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc);
+
+
+/**
+ * Callback which will be called to after a host registration succeeded or failed
+ *
+ * @param cls the closure
+ * @param emsg the error message; NULL if host registration is successful
+ */
+static void
+host_registration_completion (void *cls, const char *emsg)
+{
+ reg_handle = NULL;
+ if (NULL != emsg)
+ {
+ GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
+ _("Host registration failed for a host. Error: %s\n"), emsg);
+ if (GNUNET_SCHEDULER_NO_TASK != abort_task)
+ GNUNET_SCHEDULER_cancel (abort_task);
+ abort_task = GNUNET_SCHEDULER_add_now (&do_abort, (void*) __LINE__);
+ return;
+ }
+ register_hosts_task = GNUNET_SCHEDULER_add_now (®ister_hosts, NULL);
+}
+
+
+/**
+ * Task to register all hosts available in the global host list.
+ *
+ * @param cls NULL
+ * @param tc the scheduler task context
+ */
+static void
+register_hosts (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
+{
+ struct DLLOperation *dll_op;
+ static unsigned int reg_host;
+ unsigned int slave;
+
+ register_hosts_task = GNUNET_SCHEDULER_NO_TASK;
+ if (reg_host == num_hosts - 1)
+ {
+ GNUNET_log (GNUNET_ERROR_TYPE_INFO,
+ "All hosts successfully registered\n");
+ /* Start slaves */
+ state = STATE_SLAVES_STARTING;
+ for (slave = 1; slave < num_hosts; slave++)
+ {
+ dll_op = GNUNET_malloc (sizeof (struct DLLOperation));
+ dll_op->op = GNUNET_TESTBED_controller_link (dll_op,
+ mc,
+ hosts[slave],
+ hosts[0],
+ cfg,
+ GNUNET_YES);
+ GNUNET_CONTAINER_DLL_insert_tail (dll_op_head, dll_op_tail, dll_op);
+ }
+ return;
+ }
+ reg_handle = GNUNET_TESTBED_register_host (mc, hosts[++reg_host],
+ host_registration_completion,
+ NULL);
+}
+
+
+/**
+ * Callback to signal successfull startup of the controller process.
+ *
+ * @param cls the closure from GNUNET_TESTBED_controller_start()
+ * @param config 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
+ */
+static void
+status_cb (void *cls, const struct GNUNET_CONFIGURATION_Handle *config, int status)
+{
+ if (GNUNET_SCHEDULER_NO_TASK != abort_task)
+ GNUNET_SCHEDULER_cancel (abort_task);
+ if (GNUNET_OK != status)
+ {
+ mc_proc = NULL;
+ GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "Oh, dear!\n");
+ abort_task = GNUNET_SCHEDULER_add_now (&do_abort, (void*) __LINE__);
+ return;
+ }
+ event_mask = 0;
+ 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);
+ event_mask |= (1LL << GNUNET_TESTBED_ET_OPERATION_FINISHED);
+ mc = GNUNET_TESTBED_controller_connect (config, hosts[0], event_mask,
+ &controller_event_cb, NULL);
+ if (NULL == mc)
+ {
+ GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
+ _("Unable to connect to master controller -- Check config\n"));
+ abort_task = GNUNET_SCHEDULER_add_now (&do_abort, (void*) __LINE__);
+ return;
+ }
+ register_hosts_task = GNUNET_SCHEDULER_add_now (®ister_hosts, NULL);
+ abort_task = GNUNET_SCHEDULER_add_delayed (GNUNET_TIME_UNIT_FOREVER_REL,
+ &do_abort, (void*) __LINE__);
+}
+
+
+/**
+ * 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
+ 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]))
{
- ret = GNUNET_OS_process_status (auxp, &type, &code);
- GNUNET_assert (GNUNET_SYSERR != ret);
- (void) usleep (300);
+ data[offset] = '\0';
+ str_cnt++;
+ buf = &data[offset + 1];
}
- while (GNUNET_NO == ret);
- (void) GNUNET_OS_process_wait (auxp);
- GNUNET_OS_process_destroy (auxp);
- if (0 != code)
+ else if ((data[offset] == '\n') || (data[offset] == '\0'))
+ buf = &data[offset + 1];
+ }
+ *strings = GNUNET_malloc (sizeof (char *) * str_cnt);
+ offset = 0;
+ for (i = 0; i < str_cnt; i++)
+ {
+ GNUNET_asprintf (&(*strings)[i], "%s%s", regex_prefix, &data[offset]);
+ offset += strlen (&data[offset]) + 1;
+ }
+ GNUNET_free (data);
+ return str_cnt;
+}
+
+
+/**
+ * Callbacks of this type are called by GNUNET_TESTBED_is_host_habitable to
+ * inform whether the given host is habitable or not. The Handle returned by
+ * GNUNET_TESTBED_is_host_habitable() is invalid after this callback is called
+ *
+ * @param cls NULL
+ * @param host the host whose status is being reported; will be NULL if the host
+ * given to GNUNET_TESTBED_is_host_habitable() is NULL
+ * @param status GNUNET_YES if it is habitable; GNUNET_NO if not
+ */
+static void
+host_habitable_cb (void *cls, const struct GNUNET_TESTBED_Host *host, int status)
+{
+ struct GNUNET_TESTBED_HostHabitableCheckHandle **hc_handle = cls;
+ static unsigned int hosts_checked;
+
+ *hc_handle = NULL;
+ if (GNUNET_NO == status)
+ {
+ if ((NULL != host) && (NULL != GNUNET_TESTBED_host_get_hostname (host)))
+ GNUNET_log (GNUNET_ERROR_TYPE_ERROR, _("Host %s cannot start testbed\n"),
+ GNUNET_TESTBED_host_get_hostname (host));
+ else
+ GNUNET_log (GNUNET_ERROR_TYPE_ERROR, _("Testbed cannot be started on localhost\n"));
+ GNUNET_SCHEDULER_cancel (abort_task);
+ abort_task = GNUNET_SCHEDULER_add_now (&do_abort, (void*) __LINE__);
+ return;
+ }
+ hosts_checked++;
+ /* printf (_("\rChecked %u hosts"), hosts_checked); */
+ /* fflush (stdout); */
+ if (hosts_checked < num_hosts)
+ return;
+ /* printf (_("\nAll hosts can start testbed. Creating peers\n")); */
+ GNUNET_free (hc_handles);
+ hc_handles = NULL;
+ mc_proc =
+ GNUNET_TESTBED_controller_start (GNUNET_TESTBED_host_get_hostname
+ (hosts[0]),
+ hosts[0],
+ cfg,
+ status_cb,
+ 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 nhost;
+ unsigned int nsearchstrs;
+
+ if (NULL == args[0])
+ {
+ GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
+ _("No hosts-file specified on command line. Exiting.\n"));
+ return;
+ }
+ if (NULL == args[1])
+ {
+ GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
+ _("No policy directory specified on command line. Exiting.\n"));
+ return;
+ }
+ num_hosts = GNUNET_TESTBED_hosts_load_from_file (args[0], config, &hosts);
+ if (0 == num_hosts)
+ {
+ GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
+ _("No hosts loaded. Need at least one host\n"));
+ return;
+ }
+ GNUNET_log (GNUNET_ERROR_TYPE_INFO,
+ _("Checking whether given hosts can start testbed."
+ "Please wait\n"));
+ hc_handles = GNUNET_malloc (sizeof (struct
+ GNUNET_TESTBED_HostHabitableCheckHandle *)
+ * num_hosts);
+ for (nhost = 0; nhost < num_hosts; nhost++)
+ {
+ hc_handles[nhost] = GNUNET_TESTBED_is_host_habitable (hosts[nhost], config,
+ &host_habitable_cb,
+ &hc_handles[nhost]);
+ if (NULL == hc_handles[nhost])
{
- 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;
+ int i;
+
+ GNUNET_break (0);
+ for (i = 0; i <= nhost; i++)
+ if (NULL != hc_handles[i])
+ GNUNET_TESTBED_is_host_habitable_cancel (hc_handles[i]);
+ GNUNET_free (hc_handles);
+ hc_handles = NULL;
+ break;
}
}
- if (test_hosts != GNUNET_OK)
+ if (num_hosts != nhost)
{
- fprintf (stderr, "Some hosts have failed the ssh check. Exiting.\n");
- return 1;
+ GNUNET_log (GNUNET_ERROR_TYPE_ERROR, _("Exiting\n"));
+ shutdown_task = GNUNET_SCHEDULER_add_now (&do_shutdown, NULL);
+ return;
+ }
+ 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;
}
- fprintf (stderr, "START.\n");
- result = GNUNET_SYSERR;
+ if (GNUNET_OK !=
+ GNUNET_CONFIGURATION_get_value_string (config, "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;
+ }
- ret =
- GNUNET_PROGRAM_run ((sizeof (argv2) / sizeof (char *)) - 1, argv2,
- "test_regex_big", "nohelp", options, &run, NULL);
+ 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);
+ if (GNUNET_YES != GNUNET_DISK_directory_test (args[1], 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;
+ }
+ policy_dir = args[1];
+ if (GNUNET_YES != GNUNET_DISK_file_test (args[2]))
+ {
+ 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 (args[2], &search_strings, num_search_strings);
+ if (num_search_strings != nsearchstrs)
+ {
+ num_search_strings = nsearchstrs;
+ GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
+ _("Error loading search strings."
+ "Given file does not contain enough strings. Exiting.\n"));
+ shutdown_task = GNUNET_SCHEDULER_add_now (&do_shutdown, NULL);
+ return;
+ }
+ if (0 >= num_search_strings || 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;
+ }
+ cfg = GNUNET_CONFIGURATION_dup (config);
+ if (GNUNET_OK !=
+ GNUNET_CONFIGURATION_get_value_time (cfg, "REGEXPROFILER",
+ "REANNOUNCE_PERIOD_MAX",
+ &reannounce_period_max))
+ {
+ GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
+ "reannounce_period_max not given. Using 10 minutes.\n");
+ reannounce_period_max =
+ GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_MINUTES, 10);
+ }
+ unsigned int i;
+ for (i = 0; i < num_search_strings; i++)
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "search string: %s\n", search_strings[i]);
+ abort_task =
+ GNUNET_SCHEDULER_add_delayed (GNUNET_TIME_relative_multiply
+ (GNUNET_TIME_UNIT_SECONDS, 5), &do_abort,
+ (void*) __LINE__);
+}
- fprintf (stderr, "END.\n");
- if (GNUNET_SYSERR == result || GNUNET_OK != ret)
+/**
+ * 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[] = {
+ {'d', "details", "FILENAME",
+ gettext_noop ("name of the file for writing statistics"),
+ 1, &GNUNET_GETOPT_set_string, &data_filename},
+ {'n', "num-links", "COUNT",
+ gettext_noop ("create COUNT number of random links between peers"),
+ GNUNET_YES, &GNUNET_GETOPT_set_uint, &linking_factor },
+ {'t', "matching-timeout", "TIMEOUT",
+ gettext_noop ("wait TIMEOUT before considering a string match as failed"),
+ GNUNET_YES, &GNUNET_GETOPT_set_relative_time, &search_timeout_time
+ },
+ {'s', "search-delay", "DELAY",
+ gettext_noop ("wait DELAY before starting string search"),
+ GNUNET_YES, &GNUNET_GETOPT_set_relative_time, &search_delay },
+ {'a', "num-search-strings", "COUNT",
+ gettext_noop ("number of search strings to read from search strings file"),
+ GNUNET_YES, &GNUNET_GETOPT_set_uint, &num_search_strings },
+ {'p', "max-path-compression", "MAX_PATH_COMPRESSION",
+ gettext_noop ("maximum path compression length"),
+ 1, &GNUNET_GETOPT_set_uint, &max_path_compression},
+ GNUNET_GETOPT_OPTION_END
+ };
+ int 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 [OPTIONS] hosts-file policy-dir search-strings-file",
+ _("Profiler for regex"),
+ options, &run, NULL);
+
+ if (GNUNET_OK != ret)
+ return ret;
+ if (GNUNET_OK != result)
return 1;
return 0;
}