Boston, MA 02111-1307, USA.
*/
/**
- * @file ats/test_ats_mlp.c
- * @brief test for the MLP solver
+ * @file ats/perf_ats_mlp
+ * @brief performance test for the MLP solver
* @author Christian Grothoff
* @author Matthias Wachs
#include "gnunet_statistics_service.h"
#include "gnunet-service-ats_addresses_mlp.h"
-#define VERBOSE GNUNET_YES
-#define VERBOSE_ARM GNUNET_EXTRA_LOGGING
-
#define MLP_MAX_EXEC_DURATION GNUNET_TIME_relative_multiply(GNUNET_TIME_UNIT_SECONDS, 3)
#define MLP_MAX_ITERATIONS INT_MAX
+#define DEF_PEERS 10
+#define DEF_ADDRESSES_PER_PEER 5
+#define DEF_ATS_VALUES 2
+#define DEF_ATS_MAX_DELAY 30
+#define DEF_ATS_MAX_DISTANCE 3
+
+static unsigned int peers;
+static unsigned int addresses;
+static unsigned int numeric;
+static unsigned int update_percentage;
+
+static int start;
+static int end;
+
+struct ATS_Peer *p;
+struct ATS_Address *a;
static int ret;
-struct GNUNET_STATISTICS_Handle * stats;
+static struct GNUNET_CONTAINER_MultiHashMap * amap;
-struct GNUNET_CONTAINER_MultiHashMap * addresses;
+static struct GAS_MLP_Handle *mlp;
-struct GAS_MLP_Handle *mlp;
-static void
-check (void *cls, char *const *args, const char *cfgfile,
- const struct GNUNET_CONFIGURATION_Handle *cfg)
+
+
+GNUNET_SCHEDULER_TaskIdentifier shutdown_task;
+
+struct PeerContext
{
-#if !HAVE_LIBGLPK
- GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "GLPK not installed!");
- ret = 1;
- return;
-#endif
- struct ATS_Address addr[10];
+ struct GNUNET_PeerIdentity id;
- stats = GNUNET_STATISTICS_create("ats", cfg);
+ struct Address *addr;
+};
- addresses = GNUNET_CONTAINER_multihashmap_create (10);
+struct Address
+{
+ char *plugin;
+ size_t plugin_len;
- GNUNET_CRYPTO_hash_create_random(GNUNET_CRYPTO_QUALITY_WEAK, &addr[0].peer.hashPubKey);
- addr[0].mlp_information = NULL;
- addr[0].next = NULL;
- addr[0].prev = NULL;
- addr[0].plugin = strdup ("dummy");
+ void *addr;
+ size_t addr_len;
- addr[1].peer = addr[0].peer;
- addr[1].mlp_information = NULL;
- addr[1].next = NULL;
- addr[1].prev = NULL;
- addr[1].plugin = strdup ("dummy2");
+ struct GNUNET_ATS_Information *ats;
+ int ats_count;
- GNUNET_CONTAINER_multihashmap_put(addresses, &addr[0].peer.hashPubKey, &addr[0], GNUNET_CONTAINER_MULTIHASHMAPOPTION_MULTIPLE);
+ void *session;
+};
- mlp = GAS_mlp_init (cfg, NULL, MLP_MAX_EXEC_DURATION, MLP_MAX_ITERATIONS);
+void
+do_shutdown (void *cls,
+ const struct GNUNET_SCHEDULER_TaskContext *tc)
+{
+ unsigned int ca;
+
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Shutdown\n");
+
+ if (NULL != mlp)
+ {
+ GAS_mlp_done (mlp);
+ mlp = NULL;
+ }
+
+ if (NULL != a)
+ {
+ for (ca=0; ca < (peers * addresses); ca++)
+ {
+ GNUNET_free (a[ca].plugin);
+ GNUNET_free (a[ca].ats);
+ }
+ }
+
+ if (NULL != amap)
+ GNUNET_CONTAINER_multihashmap_destroy(amap);
+ GNUNET_free_non_null (a);
+ GNUNET_free_non_null (p);
- /* Add a new address */
-#if 0
- GAS_mlp_address_update (mlp, addresses, &addr[0]);
+}
- GNUNET_assert (mlp != NULL);
- GNUNET_assert (mlp->addr_in_problem == 1);
+static void
+update_addresses (struct ATS_Address * a, unsigned int addrs, unsigned int percentage)
+{
+ if (percentage == 0)
+ return;
+
+ unsigned int ua = (addrs) * ((float) percentage / 100);
+ GNUNET_log (GNUNET_ERROR_TYPE_INFO, "Updating %u of %u addresses per peer\n", ua, addrs);
+
+ unsigned int updated[addrs];
+ unsigned int u_types[DEF_ATS_VALUES];
+ unsigned int updates = 0;
+ unsigned int u_type = 0;
+ unsigned int u_val = 0;
+ unsigned int cur = 0;
+
+ u_types[0] = 0;
+ u_types[1] = 0;
+
+ for (cur = 0; cur < addrs; cur ++)
+ {
+ updated[cur] = 0;
+ }
+ cur = 0;
+
+ while (updates < ua)
+ {
+ cur = GNUNET_CRYPTO_random_u32 (GNUNET_CRYPTO_QUALITY_WEAK, addrs);
+ if (0 == updated[cur])
+ {
+ u_type = GNUNET_CRYPTO_random_u32 (GNUNET_CRYPTO_QUALITY_WEAK, DEF_ATS_VALUES);
+ switch (u_type) {
+ case 0:
+ do
+ {
+ u_val = GNUNET_CRYPTO_random_u32 (GNUNET_CRYPTO_QUALITY_WEAK, DEF_ATS_MAX_DELAY);
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Updating DELAY from %u to %u\n",a[cur].ats[u_type].value, u_val);
+ }
+ while (a[cur].ats[u_type].value == u_val);
+ break;
+ case 1:
+ do
+ {
+ u_val = GNUNET_CRYPTO_random_u32 (GNUNET_CRYPTO_QUALITY_WEAK, DEF_ATS_MAX_DISTANCE);
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Updating DISTANCE from %u to %u\n",a[cur].ats[u_type].value, u_val);
+ }
+ while (a[cur].ats[u_type].value == u_val);
+ break;
+ default:
+ GNUNET_break (0);
+ break;
+ }
+ u_types[u_type]++;
+
+ a[cur].ats[u_type].value = u_val;
+ updated[cur] = 1;
+ GAS_mlp_address_update(mlp, amap, &a[cur]);
+ updates++;
+ }
+ }
+ GNUNET_log (GNUNET_ERROR_TYPE_INFO, "Updated %u delay and %u distance values\n", u_types[0], u_types[1]);
- /* Update an new address */
- GAS_mlp_address_update (mlp, addresses, &addr[0]);
- GNUNET_assert (mlp->addr_in_problem == 1);
+}
- /* Add a second address for same peer */
- GNUNET_CONTAINER_multihashmap_put(addresses, &addr[0].peer.hashPubKey, &addr[1], GNUNET_CONTAINER_MULTIHASHMAPOPTION_MULTIPLE);
- GAS_mlp_address_update (mlp, addresses, &addr[1]);
- GNUNET_assert (mlp->addr_in_problem == 2);
- /* Delete an address */
- GNUNET_CONTAINER_multihashmap_remove (addresses, &addr[0].peer.hashPubKey, &addr[0]);
- GAS_mlp_address_delete (mlp, addresses, &addr[0]);
- GAS_mlp_address_delete (mlp, addresses, &addr[1]);
+static void
+check (void *cls, char *const *args, const char *cfgfile,
+ const struct GNUNET_CONFIGURATION_Handle *cfg)
+{
+ unsigned int c = 0;
+ unsigned int c2 = 0;
+ unsigned int ca = 0;
+ int update = GNUNET_NO;
+ int range = GNUNET_NO;
+ int res;
+
+#if !HAVE_LIBGLPK
+ GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "GLPK not installed!");
+ ret = 1;
+ return;
#endif
- GAS_mlp_done (mlp);
- GNUNET_free (addr[0].plugin);
- GNUNET_free (addr[1].plugin);
- GNUNET_CONTAINER_multihashmap_destroy (addresses);
- GNUNET_STATISTICS_destroy(stats, GNUNET_NO);
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Setting up %u peers with %u addresses per peer\n", peers, addresses);
+
+ mlp = GAS_mlp_init (cfg, NULL, MLP_MAX_EXEC_DURATION, MLP_MAX_ITERATIONS);
+ if (NULL == mlp)
+ {
+ GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "Failed to init MLP\n");
+ ret = 1;
+ if (GNUNET_SCHEDULER_NO_TASK != shutdown_task)
+ GNUNET_SCHEDULER_cancel(shutdown_task);
+ shutdown_task = GNUNET_SCHEDULER_add_now (&do_shutdown, NULL);
+ }
+
+ if (peers == 0)
+ peers = DEF_PEERS;
+ if (addresses == 0)
+ addresses = DEF_ADDRESSES_PER_PEER;
+
+ p = GNUNET_malloc (peers * sizeof (struct ATS_Peer));
+ a = GNUNET_malloc (peers * addresses * sizeof (struct ATS_Address));
+
+ amap = GNUNET_CONTAINER_multihashmap_create(addresses * peers);
+
+ mlp->auto_solve = GNUNET_NO;
+ if (start == 0)
+ start = 0;
+ if (end == 0)
+ end = -1;
+ if ((start != -1) && (end != -1))
+ {
+ GNUNET_log (GNUNET_ERROR_TYPE_INFO, "Solving problem starting from %u to %u\n", start , end);
+ range = GNUNET_YES;
+ }
+ else
+ GNUNET_log (GNUNET_ERROR_TYPE_INFO, "Solving problem for %u peers\n", peers);
+
+ if ((update_percentage >= 0) && (update_percentage <= 100))
+ {
+ update = GNUNET_YES;
+ GNUNET_log (GNUNET_ERROR_TYPE_INFO, "Benchmarking with existing presolution and %u%% updated addresses\n", update_percentage);
+ }
+ else if ((update_percentage > 100) && (update_percentage != UINT_MAX))
+ {
+ GNUNET_log (GNUNET_ERROR_TYPE_INFO, "Invalid percentage: %u\n", update_percentage);
+ ret = 1;
+ return;
+ }
+
+ for (c=0; c < peers; c++)
+ {
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Setting up peer %u\n", c);
+ GNUNET_CRYPTO_hash_create_random(GNUNET_CRYPTO_QUALITY_NONCE, &p[c].id.hashPubKey);
+
+ for (c2=0; c2 < addresses; c2++)
+ {
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Setting up address %u for peer %u\n", c2, c);
+ /* Setting required information */
+ a[ca].mlp_information = NULL;
+ a[ca].prev = NULL;
+ a[ca].next = NULL;
+
+ /* Setting address */
+ a[ca].peer = p[c].id;
+ a[ca].plugin = GNUNET_strdup("test");
+ a[ca].atsp_network_type = GNUNET_ATS_NET_LOOPBACK;
+
+ a[ca].ats = GNUNET_malloc (DEF_ATS_VALUES * sizeof (struct GNUNET_ATS_Information));
+ a[ca].ats[0].type = GNUNET_ATS_QUALITY_NET_DELAY;
+ a[ca].ats[0].value = GNUNET_CRYPTO_random_u32(GNUNET_CRYPTO_QUALITY_WEAK, DEF_ATS_MAX_DELAY);
+ a[ca].ats[1].type = GNUNET_ATS_QUALITY_NET_DISTANCE;
+ a[ca].ats[1].value = GNUNET_CRYPTO_random_u32(GNUNET_CRYPTO_QUALITY_WEAK, DEF_ATS_MAX_DISTANCE);
+ a[ca].ats_count = 2;
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Setting up address %u\n", ca);
+ GNUNET_CONTAINER_multihashmap_put (amap, &a[ca].peer.hashPubKey, &a[ca], GNUNET_CONTAINER_MULTIHASHMAPOPTION_MULTIPLE);
+ GAS_mlp_address_update(mlp, amap, &a[ca]);
+ ca++;
+ }
+
+ GNUNET_log (GNUNET_ERROR_TYPE_INFO, "Problem contains %u peers and %u adresses\n", mlp->c_p, mlp->addr_in_problem);
+
+ if (((GNUNET_YES == range) && (((start >= 0) && ((c+1) >= start)) && (c <= end))) || ((c+1) == peers))
+ {
+ GNUNET_assert ((c+1) == mlp->c_p);
+ GNUNET_assert ((c+1) * addresses == mlp->addr_in_problem);
+
+ /* Solving the problem */
+ struct GAS_MLP_SolutionContext ctx;
+
+ res = GAS_mlp_solve_problem(mlp, &ctx);
+
+ if (GNUNET_NO == update)
+ {
+ if (GNUNET_OK == res)
+ {
+ GNUNET_assert (GNUNET_OK == ctx.lp_result);
+ GNUNET_assert (GNUNET_OK == ctx.mlp_result);
+ if (GNUNET_YES == numeric)
+ printf ("%u;%u;%llu;%llu\n",mlp->c_p, mlp->addr_in_problem, (unsigned long long) ctx.lp_duration.rel_value, (unsigned long long) ctx.mlp_duration.rel_value);
+ else
+ GNUNET_log (GNUNET_ERROR_TYPE_INFO, "Problem solved for %u peers with %u address successfully (LP: %llu ms / MLP: %llu ms)\n",
+ mlp->c_p, mlp->addr_in_problem, ctx.lp_duration.rel_value, ctx.mlp_duration.rel_value);
+ }
+ else
+ GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "Solving problem with %u peers and %u addresses failed\n", c, c2);
+ }
+ else
+ {
+ struct GAS_MLP_SolutionContext uctx;
+ /* Update addresses */
+ update_addresses (a, (c+1) * c2, update_percentage);
+
+ /* Solve again */
+ res = GAS_mlp_solve_problem(mlp, &uctx);
+
+ if (GNUNET_OK == res)
+ {
+ GNUNET_assert (GNUNET_OK == uctx.lp_result);
+ GNUNET_assert (GNUNET_OK == uctx.mlp_result);
+ if (GNUNET_YES == numeric)
+ printf ("%u;%u;%llu;%llu;%llu;%llu\n",mlp->c_p, mlp->addr_in_problem,
+ (unsigned long long) ctx.lp_duration.rel_value, (unsigned long long) ctx.mlp_duration.rel_value,
+ (unsigned long long) uctx.lp_duration.rel_value, (unsigned long long) uctx.mlp_duration.rel_value);
+ else
+ GNUNET_log (GNUNET_ERROR_TYPE_INFO, "Updated problem solved for %u peers with %u address successfully (Initial: LP/MLP: %llu/%llu ms, Update: %llu/%llu ms)\n",
+ mlp->c_p, mlp->addr_in_problem,
+ (unsigned long long) ctx.lp_duration.rel_value, (unsigned long long) ctx.mlp_duration.rel_value,
+ (unsigned long long) uctx.lp_duration.rel_value, (unsigned long long) uctx.mlp_duration.rel_value);
+ }
+ else
+ GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "Solving updated problem with %u peers and %u addresses failed\n", c, c2);
+ }
+ }
+ }
+
+ if (GNUNET_SCHEDULER_NO_TASK != shutdown_task)
+ GNUNET_SCHEDULER_cancel(shutdown_task);
+ shutdown_task = GNUNET_SCHEDULER_add_now (&do_shutdown, NULL);
- ret = 0;
- return;
}
int
main (int argc, char *argv[])
{
-
- static char *const argv2[] = { "test_ats_mlp",
- "-c",
- "test_ats_api.conf",
-#if VERBOSE
- "-L", "DEBUG",
-#else
- "-L", "WARNING",
-#endif
- NULL
- };
-
+ /* Init invalid */
+ update_percentage = UINT_MAX;
static struct GNUNET_GETOPT_CommandLineOption options[] = {
+ {'a', "addresses", NULL,
+ gettext_noop ("addresses per peer"), 1,
+ &GNUNET_GETOPT_set_uint, &addresses},
+ {'p', "peers", NULL,
+ gettext_noop ("peers"), 1,
+ &GNUNET_GETOPT_set_uint, &peers},
+ {'n', "numeric", NULL,
+ gettext_noop ("numeric output only"), 0,
+ &GNUNET_GETOPT_set_one, &numeric},
+ {'e', "end", NULL,
+ gettext_noop ("end solving problem"), 1,
+ &GNUNET_GETOPT_set_uint, &end},
+ {'s', "start", NULL,
+ gettext_noop ("start solving problem"), 1,
+ &GNUNET_GETOPT_set_uint, &start},
+ {'u', "update", NULL,
+ gettext_noop ("benchmark with existing solution (address updates)"), 1,
+ &GNUNET_GETOPT_set_uint, &update_percentage},
GNUNET_GETOPT_OPTION_END
};
- GNUNET_PROGRAM_run ((sizeof (argv2) / sizeof (char *)) - 1, argv2,
- "test_ats_mlp", "nohelp", options,
+
+ GNUNET_PROGRAM_run (argc, argv,
+ "perf_ats_mlp", "nohelp", options,
&check, NULL);
return ret;
}
-/* end of file test_ats_api_bandwidth_consumption.c */
+/* end of file perf_ats_mlp.c */
projects / oweals / gnunet.git / blobdiff