From 0979933d4ed20341233a939723f8d069a26a3dd9 Mon Sep 17 00:00:00 2001 From: Christian Grothoff Date: Mon, 31 May 2010 19:07:22 +0000 Subject: [PATCH] reliability test for core --- src/core/Makefile.am | 9 +- src/core/test_core_api_peer1.conf | 3 +- src/core/test_core_api_peer2.conf | 3 +- src/core/test_core_api_reliability.c | 488 +++++++++++++++++++++++++++ 4 files changed, 500 insertions(+), 3 deletions(-) create mode 100644 src/core/test_core_api_reliability.c diff --git a/src/core/Makefile.am b/src/core/Makefile.am index f5c1092b6..d6b938764 100644 --- a/src/core/Makefile.am +++ b/src/core/Makefile.am @@ -41,7 +41,8 @@ gnunet_service_core_LDADD = \ check_PROGRAMS = \ test_core_api_start_only \ - test_core_api + test_core_api \ + test_core_api_reliability TESTS = $(check_PROGRAMS) @@ -52,6 +53,12 @@ test_core_api_LDADD = \ $(top_builddir)/src/transport/libgnunettransport.la \ $(top_builddir)/src/util/libgnunetutil.la +test_core_api_reliability_SOURCES = \ + test_core_api_reliability.c +test_core_api_reliability_LDADD = \ + $(top_builddir)/src/core/libgnunetcore.la \ + $(top_builddir)/src/transport/libgnunettransport.la \ + $(top_builddir)/src/util/libgnunetutil.la test_core_api_start_only_SOURCES = \ test_core_api_start_only.c diff --git a/src/core/test_core_api_peer1.conf b/src/core/test_core_api_peer1.conf index 88e8ad806..d02c0a800 100644 --- a/src/core/test_core_api_peer1.conf +++ b/src/core/test_core_api_peer1.conf @@ -26,6 +26,7 @@ PORT = 12467 [transport-tcp] PORT = 12468 +BINDTO = 127.0.0.1 #DEBUG = YES [peerinfo] @@ -40,7 +41,7 @@ PORT = 12470 #OPTIONS = -l log-core-1 #PREFIX = xterm -e xterm -T core1 -e gdb --args #PREFIX = xterm -T core1 -e -#DEBUG = NO +DEBUG = YES #BINARY=/home/grothoff/bin/gnunet-service-core [testing] diff --git a/src/core/test_core_api_peer2.conf b/src/core/test_core_api_peer2.conf index fe97fdd03..a067163f5 100644 --- a/src/core/test_core_api_peer2.conf +++ b/src/core/test_core_api_peer2.conf @@ -26,6 +26,7 @@ PORT = 22467 [transport-tcp] PORT = 22468 +BINDTO = 127.0.0.1 #DEBUG = YES [peerinfo] @@ -38,7 +39,7 @@ PORT = 22469 PORT = 22470 #PREFIX = xterm -T core2 -e #PREFIX = valgrind --tool=memcheck -#DEBUG = NO +DEBUG = YES #BINARY=/home/grothoff/bin/gnunet-service-core [testing] diff --git a/src/core/test_core_api_reliability.c b/src/core/test_core_api_reliability.c new file mode 100644 index 000000000..3e4b81bef --- /dev/null +++ b/src/core/test_core_api_reliability.c @@ -0,0 +1,488 @@ +/* + 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 2, 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_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" + +#define VERBOSE GNUNET_YES + +#define START_ARM GNUNET_YES + +/** + * How long until we give up on transmitting the message? + */ +#define TIMEOUT GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_SECONDS, 60) + +#define MTYPE 12345 + + +static unsigned long long total_bytes; + +static struct GNUNET_TIME_Absolute start_time; + +/** + * 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 (60000 * 2) + +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 + pid_t arm_pid; +#endif +}; + +static struct PeerContext p1; + +static struct PeerContext p2; + +static struct GNUNET_SCHEDULER_Handle *sched; + +static int ok; + +#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); + GNUNET_CORE_disconnect (p2.ch); + GNUNET_TRANSPORT_disconnect (p1.th); + GNUNET_TRANSPORT_disconnect (p2.th); + delta = GNUNET_TIME_absolute_get_duration (start_time).value; + fprintf (stderr, + "\nThroughput was %llu kb/s\n", + total_bytes * 1000 / 1024 / delta); + ok = 0; +} + + +static void +terminate_task_error (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc) +{ + GNUNET_break (0); + GNUNET_CORE_disconnect (p1.ch); + GNUNET_CORE_disconnect (p2.ch); + GNUNET_TRANSPORT_disconnect (p1.th); + GNUNET_TRANSPORT_disconnect (p2.th); + ok = 42; +} + + +static void +connect_notify (void *cls, + const struct GNUNET_PeerIdentity *peer, + struct GNUNET_TIME_Relative latency, + uint32_t distance) +{ + struct PeerContext *pc = cls; + GNUNET_assert (pc->connect_status == 0); + pc->connect_status = 1; + GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, + "Encrypted connection established to peer `%4s'\n", + GNUNET_i2s (peer)); +} + + +static void +disconnect_notify (void *cls, + const struct GNUNET_PeerIdentity *peer) +{ + struct PeerContext *pc = cls; + 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, + struct GNUNET_TIME_Relative latency, + uint32_t distance) +{ + GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, + "Core provides inbound data from `%4s'.\n", GNUNET_i2s (other)); + return GNUNET_OK; +} + + +static int +outbound_notify (void *cls, + const struct GNUNET_PeerIdentity *other, + const struct GNUNET_MessageHeader *message, + struct GNUNET_TIME_Relative latency, + uint32_t distance) +{ + GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, + "Core notifies about outbound data for `%4s'.\n", + GNUNET_i2s (other)); + return GNUNET_OK; +} + + +static GNUNET_SCHEDULER_TaskIdentifier err_task; + + +static int +process_mtype (void *cls, + const struct GNUNET_PeerIdentity *peer, + const struct GNUNET_MessageHeader *message, + struct GNUNET_TIME_Relative latency, + uint32_t distance) +{ + 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 (sched, err_task); + err_task = GNUNET_SCHEDULER_add_now (sched, &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 (sched, err_task); + err_task = GNUNET_SCHEDULER_add_now (sched, &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 (sched, err_task); + GNUNET_SCHEDULER_add_now (sched, &terminate_task, NULL); + } + return GNUNET_OK; +} + + +static struct GNUNET_CORE_MessageHandler handlers[] = { + {&process_mtype, MTYPE, 0}, + {NULL, 0, 0} +}; + + +static size_t +transmit_ready (void *cls, size_t size, void *buf) +{ + static int n; + char *cbuf = buf; + struct TestMessage hdr; + unsigned int s; + unsigned int ret; + + if (buf == NULL) + { + GNUNET_break (0); + ok = 42; + return 0; + } + ret = 0; + s = get_size (n); + GNUNET_assert (size >= s); + GNUNET_assert (buf != NULL); + cbuf = buf; + do + { + hdr.header.size = htons (s); + hdr.header.type = htons (MTYPE); + hdr.num = htonl (n); + memcpy (&cbuf[ret], &hdr, sizeof (struct TestMessage)); + ret += sizeof (struct TestMessage); + memset (&cbuf[ret], n, s - sizeof (struct TestMessage)); + ret += s - sizeof (struct TestMessage); +#if VERBOSE + GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, + "Sending message %u of size %u\n", + n, + s); +#endif + n++; + s = get_size (n); + if (0 == GNUNET_CRYPTO_random_u32 (GNUNET_CRYPTO_QUALITY_WEAK, 16)) + break; /* sometimes pack buffer full, sometimes not */ + } + while (size - ret >= s); + if (n < TOTAL_MSGS) + GNUNET_break (NULL != + GNUNET_CORE_notify_transmit_ready (p1.ch, + 0, + GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_SECONDS, 45), + &p2.id, + sizeof (struct GNUNET_MessageHeader), + &transmit_ready, &p1)); + GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, + "Returning total message block of size %u\n", + ret); + total_bytes += ret; + return ret; +} + + + +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, + "Core connection to `%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 (sched, + p2.cfg, + TIMEOUT, + &p2, + &init_notify, + &connect_notify, + &disconnect_notify, + &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) for transmission to peer `%4s'\n", + GNUNET_i2s (&p2.id)); + err_task = + GNUNET_SCHEDULER_add_delayed (sched, + GNUNET_TIME_relative_multiply(GNUNET_TIME_UNIT_SECONDS, 120), + &terminate_task_error, + NULL); + start_time = GNUNET_TIME_absolute_get (); + GNUNET_break (NULL != + GNUNET_CORE_notify_transmit_ready (p1.ch, + 0, + GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_SECONDS, 45), + &p2.id, + sizeof (struct GNUNET_MessageHeader), + &transmit_ready, &p1)); + } +} + + +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); + if ((p == &p2) && (p1.th != NULL)) + GNUNET_TRANSPORT_offer_hello (p1.th, message); + + if ((p == &p1) && (p2.hello != NULL)) + GNUNET_TRANSPORT_offer_hello (p1.th, p2.hello); + if ((p == &p2) && (p1.hello != NULL)) + GNUNET_TRANSPORT_offer_hello (p2.th, p1.hello); +} + + + +static void +setup_peer (struct PeerContext *p, const char *cfgname) +{ + p->cfg = GNUNET_CONFIGURATION_create (); +#if START_ARM + p->arm_pid = 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 (sched, p->cfg, p, NULL, NULL, NULL); + GNUNET_assert (p->th != NULL); + GNUNET_TRANSPORT_get_hello (p->th, &process_hello, p); +} + + +static void +run (void *cls, + struct GNUNET_SCHEDULER_Handle *s, + char *const *args, + const char *cfgfile, + const struct GNUNET_CONFIGURATION_Handle *cfg) +{ + GNUNET_assert (ok == 1); + OKPP; + sched = s; + setup_peer (&p1, "test_core_api_peer1.conf"); + setup_peer (&p2, "test_core_api_peer2.conf"); + GNUNET_CORE_connect (sched, + p1.cfg, + TIMEOUT, + &p1, + &init_notify, + &connect_notify, + &disconnect_notify, + &inbound_notify, + GNUNET_YES, &outbound_notify, GNUNET_YES, handlers); +} + + +static void +stop_arm (struct PeerContext *p) +{ +#if START_ARM + if (0 != PLIBC_KILL (p->arm_pid, SIGTERM)) + GNUNET_log_strerror (GNUNET_ERROR_TYPE_WARNING, "kill"); + if (GNUNET_OS_process_wait(p->arm_pid) != GNUNET_OK) + GNUNET_log_strerror (GNUNET_ERROR_TYPE_WARNING, "waitpid"); + GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, + "ARM process %u stopped\n", p->arm_pid); +#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 */ -- 2.25.1