From 8f7beb8f68db072d4ebf6c3633a21b46513791c9 Mon Sep 17 00:00:00 2001 From: "Nathan S. Evans" Date: Thu, 11 Mar 2010 13:45:58 +0000 Subject: [PATCH] incremental improvements, testcase which (should) work once dv works --- src/dv/test_transport_api_dv.c | 353 ++++++++++++++++++++++++ src/dv/test_transport_api_dv_peer1.conf | 2 +- src/dv/test_transport_api_dv_peer2.conf | 3 +- src/dv/test_transport_api_dv_peer3.conf | 3 +- 4 files changed, 358 insertions(+), 3 deletions(-) create mode 100644 src/dv/test_transport_api_dv.c diff --git a/src/dv/test_transport_api_dv.c b/src/dv/test_transport_api_dv.c new file mode 100644 index 000000000..432820256 --- /dev/null +++ b/src/dv/test_transport_api_dv.c @@ -0,0 +1,353 @@ +/* + This file is part of GNUnet. + (C) 2009 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 transport/test_transport_api_dv.c + * @brief base test case for dv transport (separated from other transport + * testcases for two reasons. 1) dv-service relies on core and other + * transport plugins, dv plugin relies on dv-service, so dv-plugin needs + * to live here, and 2) a dv plugin testcase is different from other + * tranport plugin testcases because we need at least three peer to test + * it. + * + * This test case tests DV functionality. Specifically it starts three + * peers connected in a line (1 <-> 2 <-> 3). Then a message is transmitted + * from peer 1 to peer 3. Assuming that DV is working, peer 2 should have + * gossiped about peer 3 to 1, and should then forward a message from one + * to 3. + */ +#include "platform.h" +#include "gnunet_common.h" +#include "gnunet_hello_lib.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 "../transport/transport.h" + +#define VERBOSE GNUNET_YES + +#define VERBOSE_ARM 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, 50) + +#define MTYPE 12345 + +struct PeerContext +{ + struct GNUNET_CONFIGURATION_Handle *cfg; + struct GNUNET_TRANSPORT_Handle *th; + struct GNUNET_PeerIdentity id; +#if START_ARM + pid_t arm_pid; +#endif +}; + +static struct PeerContext p1; + +static struct PeerContext p2; + +static struct PeerContext p3; + +static struct GNUNET_SCHEDULER_Handle *sched; + +static int ok; + +GNUNET_SCHEDULER_TaskIdentifier die_task; + +#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 + + +static void +end () +{ + /* do work here */ + GNUNET_assert (ok == 6); + GNUNET_SCHEDULER_cancel (sched, die_task); + GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Disconnecting from transports!\n"); + GNUNET_TRANSPORT_disconnect (p1.th); + GNUNET_TRANSPORT_disconnect (p2.th); + GNUNET_TRANSPORT_disconnect (p3.th); + + die_task = GNUNET_SCHEDULER_NO_TASK; + GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Transports disconnected, returning success!\n"); + ok = 0; +} + +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"); + GNUNET_OS_process_wait (p->arm_pid); +#endif + GNUNET_CONFIGURATION_destroy (p->cfg); +} + + +static void +end_badly () +{ + /* do work here */ +#if VERBOSE + fprintf(stderr, "Ending on an unhappy note.\n"); +#endif + + GNUNET_TRANSPORT_disconnect (p1.th); + GNUNET_TRANSPORT_disconnect (p2.th); + GNUNET_TRANSPORT_disconnect (p3.th); + + ok = 1; + return; +} + +static void +notify_receive (void *cls, + const struct GNUNET_PeerIdentity *peer, + const struct GNUNET_MessageHeader *message, + struct GNUNET_TIME_Relative latency, + uint32_t distance) +{ + + if (ntohs(message->type) != MTYPE) + return; + + GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Received message of type %d from peer (%p)!\n", + ntohs(message->type), cls); + + GNUNET_assert (ok == 5); + OKPP; + + GNUNET_assert (MTYPE == ntohs (message->type)); + GNUNET_assert (sizeof (struct GNUNET_MessageHeader) == + ntohs (message->size)); + GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Received message from peer (%p)!\n", + cls); + end (); +} + + +static size_t +notify_ready (void *cls, size_t size, void *buf) +{ + struct GNUNET_MessageHeader *hdr; + + GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, + "Transmitting message to peer (%p) - %u!\n", cls, size); + GNUNET_assert (size >= 256); + GNUNET_assert (ok == 4); + OKPP; + if (buf != NULL) + { + hdr = buf; + hdr->size = htons (sizeof (struct GNUNET_MessageHeader)); + hdr->type = htons (MTYPE); + } + + return sizeof (struct GNUNET_MessageHeader); +} + + +static void +notify_connect (void *cls, + const struct GNUNET_PeerIdentity *peer, + struct GNUNET_TIME_Relative latency, + uint32_t distance) +{ + if ((cls == &p1) && (memcmp(peer, &p3.id, sizeof(struct GNUNET_PeerIdentity)) == 0)) + { + GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, + "Peer 1 notified about connection to peer 3!\n", GNUNET_i2s (peer), cls); + GNUNET_TRANSPORT_notify_transmit_ready (p1.th, + &p3.id, + 256, 0, TIMEOUT, ¬ify_ready, + &p1); + } + GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, + "Peer `%4s' connected to us (%p)!\n", GNUNET_i2s (peer), cls); +} + + +static void +notify_disconnect (void *cls, const struct GNUNET_PeerIdentity *peer) +{ + GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, + "Peer `%4s' disconnected (%p)!\n", + GNUNET_i2s (peer), cls); +} + + +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_ARM + "-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, + ¬ify_receive, + ¬ify_connect, ¬ify_disconnect); + GNUNET_assert (p->th != NULL); +} + + +static void +exchange_hello_next (void *cls, + const struct GNUNET_MessageHeader *message) +{ + struct PeerContext *me = cls; + + GNUNET_TRANSPORT_get_hello_cancel (p2.th, &exchange_hello_next, me); + GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, + "Exchanging HELLO with peer (%p)!\n", cls); + GNUNET_assert (ok >= 3); + OKPP; + GNUNET_assert (message != NULL); + GNUNET_assert (GNUNET_OK == + GNUNET_HELLO_get_id ((const struct GNUNET_HELLO_Message *) + message, &me->id)); + + GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, + "Received HELLO size %d\n", GNUNET_HELLO_size((const struct GNUNET_HELLO_Message *)message)); + + GNUNET_TRANSPORT_offer_hello (p3.th, message); + + GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, + "Finished exchanging HELLOs, now waiting for transmission!\n"); + +} + + +static void +exchange_hello (void *cls, + const struct GNUNET_MessageHeader *message) +{ + struct PeerContext *me = cls; + + GNUNET_TRANSPORT_get_hello_cancel (p1.th, &exchange_hello, me); + GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, + "Exchanging HELLO with peer (%p)!\n", cls); + GNUNET_assert (ok >= 2); + OKPP; + GNUNET_assert (message != NULL); + GNUNET_assert (GNUNET_OK == + GNUNET_HELLO_get_id ((const struct GNUNET_HELLO_Message *) + message, &me->id)); + + GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, + "Received HELLO size %d\n", GNUNET_HELLO_size((const struct GNUNET_HELLO_Message *)message)); + + GNUNET_TRANSPORT_offer_hello (p2.th, message); + GNUNET_TRANSPORT_get_hello (p2.th, &exchange_hello_next, &p2); +} + +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; + + die_task = GNUNET_SCHEDULER_add_delayed (sched, + GNUNET_TIME_relative_multiply(GNUNET_TIME_UNIT_MINUTES, 1), &end_badly, NULL); + + setup_peer (&p1, "test_transport_api_dv_peer1.conf"); + setup_peer (&p2, "test_transport_api_dv_peer2.conf"); + setup_peer (&p3, "test_transport_api_dv_peer3.conf"); + + GNUNET_assert(p1.th != NULL); + GNUNET_assert(p2.th != NULL); + GNUNET_assert(p3.th != NULL); + + GNUNET_TRANSPORT_get_hello (p1.th, &exchange_hello, &p1); +} + +static int +check () +{ + + char *const argv[] = { "test-transport-api", + "-c", + "test_transport_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-transport-api", "nohelp", + options, &run, &ok); + stop_arm (&p1); + stop_arm (&p2); + stop_arm (&p3); + return ok; +} + + +int +main (int argc, char *argv[]) +{ + int ret; +#ifdef MINGW + return GNUNET_SYSERR; +#endif + + GNUNET_log_setup ("test-transport-api-dv", +#if VERBOSE + "DEBUG", +#else + "WARNING", +#endif + NULL); + ret = check (); + GNUNET_DISK_directory_remove ("/tmp/test-gnunetd-transport-peer-1"); + GNUNET_DISK_directory_remove ("/tmp/test-gnunetd-transport-peer-2"); + GNUNET_DISK_directory_remove ("/tmp/test-gnunetd-transport-peer-3"); + return ret; +} + +/* end of test_transport_api_dv.c */ diff --git a/src/dv/test_transport_api_dv_peer1.conf b/src/dv/test_transport_api_dv_peer1.conf index 25dc1fa34..0f7b733ef 100644 --- a/src/dv/test_transport_api_dv_peer1.conf +++ b/src/dv/test_transport_api_dv_peer1.conf @@ -46,7 +46,7 @@ MINIMUM-FRIENDS = 0 [transport] PLUGINS = tcp dv -DEBUG = YES +DEBUG = NO #PREFIX = xterm -T transport2 -e gdb --command=cmd --args #PREFIX = valgrind --leak-check=full ALLOW_SHUTDOWN = YES diff --git a/src/dv/test_transport_api_dv_peer2.conf b/src/dv/test_transport_api_dv_peer2.conf index 03670607f..ae573d1f4 100644 --- a/src/dv/test_transport_api_dv_peer2.conf +++ b/src/dv/test_transport_api_dv_peer2.conf @@ -58,7 +58,7 @@ MINIMUM-FRIENDS = 0 [transport] PLUGINS = tcp dv -DEBUG = YES +DEBUG = NO # PREFIX = ALLOW_SHUTDOWN = YES ACCEPT_FROM6 = ::1; @@ -105,6 +105,7 @@ HOSTNAME = localhost PORT = 22367 [dv] +DEBUG = YES ALLOW_SHUTDOWN = YES ACCEPT_FROM6 = ::1; ACCEPT_FROM = 127.0.0.1; diff --git a/src/dv/test_transport_api_dv_peer3.conf b/src/dv/test_transport_api_dv_peer3.conf index eff16f039..413817cfe 100644 --- a/src/dv/test_transport_api_dv_peer3.conf +++ b/src/dv/test_transport_api_dv_peer3.conf @@ -46,7 +46,7 @@ MINIMUM-FRIENDS = 0 [transport] PLUGINS = tcp dv -#DEBUG = YES +#DEBUG = NO # PREFIX = ALLOW_SHUTDOWN = YES ACCEPT_FROM6 = ::1; @@ -105,6 +105,7 @@ HOSTNAME = localhost PORT = 32367 [dv] +DEBUG = YES ALLOW_SHUTDOWN = YES ACCEPT_FROM6 = ::1; ACCEPT_FROM = 127.0.0.1; -- 2.25.1