/* This file is part of GNUnet. (C) 2009, 2010 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 by the Free Software Foundation; either version 3, or (at your option) any later version. GNUnet is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with GNUnet; see the file COPYING. If not, write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ /** * @file core/test_core_api_reliability.c * @brief testcase for core_api.c focusing on reliable transmission (with TCP) * * FIXME: * - make sure connect callback is invoked properly as well! */ #include "platform.h" #include "gnunet_common.h" #include "gnunet_constants.h" #include "gnunet_arm_service.h" #include "gnunet_core_service.h" #include "gnunet_getopt_lib.h" #include "gnunet_os_lib.h" #include "gnunet_program_lib.h" #include "gnunet_scheduler_lib.h" #include "gnunet_transport_service.h" #include #define VERBOSE GNUNET_NO #define START_ARM GNUNET_YES /** * Note that this value must not significantly exceed * 'MAX_PENDING' in 'gnunet-service-transport.c', otherwise * messages may be dropped even for a reliable transport. */ #define TOTAL_MSGS (600 * 10) /** * How long until we give up on transmitting the message? */ #define TIMEOUT GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_SECONDS, 6000) /** * What delay do we request from the core service for transmission? * Any value smaller than the CORK delay will disable CORKing, which * is what we want here. */ #define FAST_TIMEOUT GNUNET_TIME_relative_divide (GNUNET_CONSTANTS_MAX_CORK_DELAY, 2) #define MTYPE 12345 static unsigned long long total_bytes; static struct GNUNET_TIME_Absolute start_time; static GNUNET_SCHEDULER_TaskIdentifier err_task; struct PeerContext { struct GNUNET_CONFIGURATION_Handle *cfg; struct GNUNET_CORE_Handle *ch; struct GNUNET_PeerIdentity id; struct GNUNET_TRANSPORT_Handle *th; struct GNUNET_MessageHeader *hello; int connect_status; #if START_ARM struct GNUNET_OS_Process *arm_proc; #endif }; static struct PeerContext p1; static struct PeerContext p2; static int ok; static int32_t tr_n; #if VERBOSE #define OKPP do { ok++; fprintf (stderr, "Now at stage %u at %s:%u\n", ok, __FILE__, __LINE__); } while (0) #else #define OKPP do { ok++; } while (0) #endif struct TestMessage { struct GNUNET_MessageHeader header; uint32_t num; }; static unsigned int get_size (unsigned int iter) { unsigned int ret; if (iter < 60000) return iter + sizeof (struct TestMessage); ret = (iter * iter * iter); return sizeof (struct TestMessage) + (ret % 60000); } static void terminate_task (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc) { unsigned long long delta; GNUNET_CORE_disconnect (p1.ch); p1.ch = NULL; GNUNET_CORE_disconnect (p2.ch); p2.ch = NULL; GNUNET_TRANSPORT_disconnect (p1.th); p1.th = NULL; GNUNET_TRANSPORT_disconnect (p2.th); p2.th = NULL; delta = GNUNET_TIME_absolute_get_duration (start_time).rel_value; fprintf (stderr, "\nThroughput was %llu kb/s\n", total_bytes * 1000 / 1024 / delta); GAUGER ("CORE", "Core throughput/s", total_bytes * 1000 / 1024 / delta, "kb/s"); ok = 0; } static void terminate_task_error (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc) { GNUNET_break (0); GNUNET_CORE_disconnect (p1.ch); p1.ch = NULL; GNUNET_CORE_disconnect (p2.ch); p2.ch = NULL; GNUNET_TRANSPORT_disconnect (p1.th); p1.th = NULL; GNUNET_TRANSPORT_disconnect (p2.th); p2.th = NULL; ok = 42; } static size_t transmit_ready (void *cls, size_t size, void *buf) { char *cbuf = buf; struct TestMessage hdr; unsigned int s; unsigned int ret; GNUNET_assert (size <= GNUNET_CONSTANTS_MAX_ENCRYPTED_MESSAGE_SIZE); if (buf == NULL) { if (p1.ch != NULL) GNUNET_break (NULL != GNUNET_CORE_notify_transmit_ready (p1.ch, GNUNET_NO, 0, FAST_TIMEOUT, &p2.id, get_size(tr_n), &transmit_ready, &p1)); return 0; } GNUNET_assert (tr_n < TOTAL_MSGS); ret = 0; s = get_size (tr_n); GNUNET_assert (size >= s); GNUNET_assert (buf != NULL); cbuf = buf; do { #if VERBOSE GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Sending message %u of size %u at offset %u\n", tr_n, s, ret); #endif hdr.header.size = htons (s); hdr.header.type = htons (MTYPE); hdr.num = htonl (tr_n); memcpy (&cbuf[ret], &hdr, sizeof (struct TestMessage)); ret += sizeof (struct TestMessage); memset (&cbuf[ret], tr_n, s - sizeof (struct TestMessage)); ret += s - sizeof (struct TestMessage); tr_n++; s = get_size (tr_n); if (0 == GNUNET_CRYPTO_random_u32 (GNUNET_CRYPTO_QUALITY_WEAK, 16)) break; /* sometimes pack buffer full, sometimes not */ } while (size - ret >= s); GNUNET_SCHEDULER_cancel (err_task); err_task = GNUNET_SCHEDULER_add_delayed (TIMEOUT, &terminate_task_error, NULL); GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Returning total message block of size %u\n", ret); total_bytes += ret; return ret; } static void connect_notify (void *cls, const struct GNUNET_PeerIdentity *peer, const struct GNUNET_TRANSPORT_ATS_Information *atsi) { struct PeerContext *pc = cls; if (0 == memcmp (&pc->id, peer, sizeof (struct GNUNET_PeerIdentity))) return; GNUNET_assert (pc->connect_status == 0); pc->connect_status = 1; if (pc == &p1) { GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Encrypted connection established to peer `%4s'\n", GNUNET_i2s (peer)); GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Asking core (1) for transmission to peer `%4s'\n", GNUNET_i2s (&p2.id)); err_task = GNUNET_SCHEDULER_add_delayed (TIMEOUT, &terminate_task_error, NULL); start_time = GNUNET_TIME_absolute_get (); GNUNET_break (NULL != GNUNET_CORE_notify_transmit_ready (p1.ch, GNUNET_NO, 0, TIMEOUT, &p2.id, get_size (0), &transmit_ready, &p1)); } } static void disconnect_notify (void *cls, const struct GNUNET_PeerIdentity *peer) { struct PeerContext *pc = cls; if (0 == memcmp (&pc->id, peer, sizeof (struct GNUNET_PeerIdentity))) return; pc->connect_status = 0; GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Encrypted connection to `%4s' cut\n", GNUNET_i2s (peer)); } static int inbound_notify (void *cls, const struct GNUNET_PeerIdentity *other, const struct GNUNET_MessageHeader *message, const struct GNUNET_TRANSPORT_ATS_Information *atsi) { #if VERBOSE GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Core provides inbound data from `%4s'.\n", GNUNET_i2s (other)); #endif return GNUNET_OK; } static int outbound_notify (void *cls, const struct GNUNET_PeerIdentity *other, const struct GNUNET_MessageHeader *message, const struct GNUNET_TRANSPORT_ATS_Information *atsi) { #if VERBOSE GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Core notifies about outbound data for `%4s'.\n", GNUNET_i2s (other)); #endif return GNUNET_OK; } static size_t transmit_ready (void *cls, size_t size, void *buf); static int process_mtype (void *cls, const struct GNUNET_PeerIdentity *peer, const struct GNUNET_MessageHeader *message, const struct GNUNET_TRANSPORT_ATS_Information *atsi) { static int n; unsigned int s; const struct TestMessage *hdr; hdr = (const struct TestMessage*) message; s = get_size (n); if (MTYPE != ntohs (message->type)) return GNUNET_SYSERR; if (ntohs (message->size) != s) { GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "Expected message %u of size %u, got %u bytes of message %u\n", n, s, ntohs (message->size), ntohl (hdr->num)); GNUNET_SCHEDULER_cancel (err_task); err_task = GNUNET_SCHEDULER_add_now (&terminate_task_error, NULL); return GNUNET_SYSERR; } if (ntohl (hdr->num) != n) { GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "Expected message %u of size %u, got %u bytes of message %u\n", n, s, ntohs (message->size), ntohl (hdr->num)); GNUNET_SCHEDULER_cancel (err_task); err_task = GNUNET_SCHEDULER_add_now (&terminate_task_error, NULL); return GNUNET_SYSERR; } #if VERBOSE GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Got message %u of size %u\n", ntohl (hdr->num), ntohs (message->size)); #endif n++; if (0 == (n % (TOTAL_MSGS/100))) fprintf (stderr, "."); if (n == TOTAL_MSGS) { GNUNET_SCHEDULER_cancel (err_task); GNUNET_SCHEDULER_add_now (&terminate_task, NULL); } else { if (n == tr_n) GNUNET_break (NULL != GNUNET_CORE_notify_transmit_ready (p1.ch, GNUNET_NO, 0, FAST_TIMEOUT, &p2.id, get_size(tr_n), &transmit_ready, &p1)); } return GNUNET_OK; } static struct GNUNET_CORE_MessageHandler handlers[] = { {&process_mtype, MTYPE, 0}, {NULL, 0, 0} }; static void init_notify (void *cls, struct GNUNET_CORE_Handle *server, const struct GNUNET_PeerIdentity *my_identity, const struct GNUNET_CRYPTO_RsaPublicKeyBinaryEncoded *publicKey) { struct PeerContext *p = cls; GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Connection to CORE service of `%4s' established\n", GNUNET_i2s (my_identity)); GNUNET_assert (server != NULL); p->id = *my_identity; p->ch = server; if (cls == &p1) { GNUNET_assert (ok == 2); OKPP; /* connect p2 */ GNUNET_CORE_connect (p2.cfg, 1, &p2, &init_notify, &connect_notify, &disconnect_notify, NULL, &inbound_notify, GNUNET_YES, &outbound_notify, GNUNET_YES, handlers); } else { GNUNET_assert (ok == 3); OKPP; GNUNET_assert (cls == &p2); GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Asking core (1) to connect to peer `%4s'\n", GNUNET_i2s (&p2.id)); GNUNET_CORE_peer_request_connect (p1.ch, &p2.id, NULL, NULL); } } static void process_hello (void *cls, const struct GNUNET_MessageHeader *message) { struct PeerContext *p = cls; GNUNET_TRANSPORT_get_hello_cancel (p->th, &process_hello, p); GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Received (my) `%s' from transport service\n", "HELLO"); GNUNET_assert (message != NULL); p->hello = GNUNET_malloc (ntohs (message->size)); memcpy (p->hello, message, ntohs (message->size)); if ((p == &p1) && (p2.th != NULL)) GNUNET_TRANSPORT_offer_hello (p2.th, message, NULL, NULL); if ((p == &p2) && (p1.th != NULL)) GNUNET_TRANSPORT_offer_hello (p1.th, message, NULL, NULL); if ((p == &p1) && (p2.hello != NULL)) GNUNET_TRANSPORT_offer_hello (p1.th, p2.hello, NULL, NULL); if ((p == &p2) && (p1.hello != NULL)) GNUNET_TRANSPORT_offer_hello (p2.th, p1.hello, NULL, NULL); } static void setup_peer (struct PeerContext *p, const char *cfgname) { p->cfg = GNUNET_CONFIGURATION_create (); #if START_ARM p->arm_proc = GNUNET_OS_start_process (NULL, NULL, "gnunet-service-arm", "gnunet-service-arm", #if VERBOSE "-L", "DEBUG", #endif "-c", cfgname, NULL); #endif GNUNET_assert (GNUNET_OK == GNUNET_CONFIGURATION_load (p->cfg, cfgname)); p->th = GNUNET_TRANSPORT_connect (p->cfg, NULL, p, NULL, NULL, NULL); GNUNET_assert (p->th != NULL); GNUNET_TRANSPORT_get_hello (p->th, &process_hello, p); } static void run (void *cls, char *const *args, const char *cfgfile, const struct GNUNET_CONFIGURATION_Handle *cfg) { GNUNET_assert (ok == 1); OKPP; setup_peer (&p1, "test_core_api_peer1.conf"); setup_peer (&p2, "test_core_api_peer2.conf"); GNUNET_CORE_connect (p1.cfg, 1, &p1, &init_notify, &connect_notify, &disconnect_notify, NULL, &inbound_notify, GNUNET_YES, &outbound_notify, GNUNET_YES, handlers); } static void stop_arm (struct PeerContext *p) { #if START_ARM if (0 != GNUNET_OS_process_kill (p->arm_proc, SIGTERM)) GNUNET_log_strerror (GNUNET_ERROR_TYPE_WARNING, "kill"); if (GNUNET_OS_process_wait(p->arm_proc) != GNUNET_OK) GNUNET_log_strerror (GNUNET_ERROR_TYPE_WARNING, "waitpid"); GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "ARM process %u stopped\n", GNUNET_OS_process_get_pid (p->arm_proc)); GNUNET_OS_process_close (p->arm_proc); p->arm_proc = NULL; #endif GNUNET_CONFIGURATION_destroy (p->cfg); } static int check () { char *const argv[] = { "test-core-api-reliability", "-c", "test_core_api_data.conf", #if VERBOSE "-L", "DEBUG", #endif NULL }; struct GNUNET_GETOPT_CommandLineOption options[] = { GNUNET_GETOPT_OPTION_END }; ok = 1; GNUNET_PROGRAM_run ((sizeof (argv) / sizeof (char *)) - 1, argv, "test-core-api-reliability", "nohelp", options, &run, &ok); stop_arm (&p1); stop_arm (&p2); return ok; } int main (int argc, char *argv[]) { int ret; GNUNET_log_setup ("test-core-api", #if VERBOSE "DEBUG", #else "WARNING", #endif NULL); ret = check (); GNUNET_DISK_directory_remove ("/tmp/test-gnunet-core-peer-1"); GNUNET_DISK_directory_remove ("/tmp/test-gnunet-core-peer-2"); return ret; } /* end of test_core_api_reliability.c */