From 7e700454b881328985dafc4800636eabf329c60d Mon Sep 17 00:00:00 2001 From: Matthias Wachs Date: Mon, 5 Sep 2011 16:28:17 +0000 Subject: small utility to connect running peers --- src/transport/Makefile.am | 13 +- src/transport/util_connect_running_peers.c | 391 +++++++++++++++++++++++++++++ 2 files changed, 402 insertions(+), 2 deletions(-) create mode 100644 src/transport/util_connect_running_peers.c (limited to 'src') diff --git a/src/transport/Makefile.am b/src/transport/Makefile.am index c9bc8c440..cb808fe4c 100644 --- a/src/transport/Makefile.am +++ b/src/transport/Makefile.am @@ -63,8 +63,9 @@ UNIX_QUOTA_TEST = test_quota_compliance_unix \ test_quota_compliance_unix_asymmetric_recv_constant endif -noinst_PROGRAMS = $(WLAN_BIN_DUMMY) - +noinst_PROGRAMS = \ + $(WLAN_BIN_DUMMY) \ + util_connect_running_peers lib_LTLIBRARIES = \ libgnunettransport.la \ @@ -349,6 +350,14 @@ test_transport_testing_LDADD = \ $(top_builddir)/src/hello/libgnunethello.la \ $(top_builddir)/src/transport/libgnunettransporttesting.la +util_connect_running_peers_SOURCES = \ + util_connect_running_peers.c +util_connect_running_peers_LDADD = \ + $(top_builddir)/src/transport/libgnunettransport.la \ + $(top_builddir)/src/hello/libgnunethello.la \ + $(top_builddir)/src/util/libgnunetutil.la \ + $(top_builddir)/src/transport/libgnunettransporttesting.la + test_transport_api_disconnect_SOURCES = \ test_transport_api_disconnect.c test_transport_api_disconnect_LDADD = \ diff --git a/src/transport/util_connect_running_peers.c b/src/transport/util_connect_running_peers.c new file mode 100644 index 000000000..91eb67004 --- /dev/null +++ b/src/transport/util_connect_running_peers.c @@ -0,0 +1,391 @@ +/* + 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 transport/util_connect_running_peers.c + * @brief utility to connect running peers + * + * This utility connects to running peers with each other + * The peers have to be started before, for example in the debugger with + * breakpoints set + */ +#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.h" +#include "transport-testing.h" + +#define VERBOSE GNUNET_NO + +#define VERBOSE_ARM GNUNET_NO + +#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, 300) + +/** + * How long until we give up on transmitting the message? + */ +#define TIMEOUT_TRANSMIT GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_SECONDS, 60) + +#define MTYPE 12345 + +static int ok; + +static GNUNET_SCHEDULER_TaskIdentifier die_task; + +static GNUNET_SCHEDULER_TaskIdentifier send_task; + +struct PeerContext *p1; + +struct PeerContext *p2; + +static GNUNET_TRANSPORT_TESTING_ConnectRequest cc; + +struct GNUNET_TRANSPORT_TransmitHandle *th; + +char *cfg_file_p1; + +char *cfg_file_p2; + +#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 () +{ + GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Stopping peers\n"); + + if (send_task != GNUNET_SCHEDULER_NO_TASK) + GNUNET_SCHEDULER_cancel (send_task); + + if (die_task != GNUNET_SCHEDULER_NO_TASK) + GNUNET_SCHEDULER_cancel (die_task); + + if (th != NULL) + GNUNET_TRANSPORT_notify_transmit_ready_cancel (th); + th = NULL; + + if (p1 != NULL) + disconnect_from_peer (p1); + if (p2 != NULL) + disconnect_from_peer (p2); +} + +static void +end_badly (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc) +{ + die_task = GNUNET_SCHEDULER_NO_TASK; + + GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Fail! Stopping peers\n"); + + if (send_task != GNUNET_SCHEDULER_NO_TASK) + GNUNET_SCHEDULER_cancel (send_task); + + if (cc != NULL) + GNUNET_TRANSPORT_TESTING_connect_peers_cancel (cc); + + if (th != NULL) + GNUNET_TRANSPORT_notify_transmit_ready_cancel (th); + th = NULL; + + if (p1 != NULL) + disconnect_from_peer (p1); + if (p2 != NULL) + disconnect_from_peer (p2); + + ok = GNUNET_SYSERR; +} + + +static void +notify_receive (void *cls, const struct GNUNET_PeerIdentity *peer, + const struct GNUNET_MessageHeader *message, + const struct GNUNET_TRANSPORT_ATS_Information *ats, + uint32_t ats_count) +{ + GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, + "Received message of type %d from peer %s!\n", + ntohs (message->type), GNUNET_i2s (peer)); + + if ((MTYPE == ntohs (message->type)) && + (sizeof (struct GNUNET_MessageHeader) == ntohs (message->size))) + { + ok = 0; + end (); + } + else + { + GNUNET_break (0); + ok = 1; + end (); + } +} + + +static size_t +notify_ready (void *cls, size_t size, void *buf) +{ + struct PeerContext *p = cls; + struct GNUNET_MessageHeader *hdr; + + th = NULL; + + GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, + "Transmitting message with %u bytes to peer %s\n", + sizeof (struct GNUNET_MessageHeader), GNUNET_i2s (&p->id)); + GNUNET_assert (size >= 256); + + 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, + const struct GNUNET_TRANSPORT_ATS_Information *ats, + uint32_t ats_count) +{ + 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); +} + + +void +disconnect_from_peer (struct PeerContext *p) +{ + GNUNET_assert (p != NULL); + if (p->th != NULL) + GNUNET_TRANSPORT_disconnect (p->th); + + if (p->cfg != NULL) + GNUNET_CONFIGURATION_destroy (p->cfg); + GNUNET_free (p); + p = NULL; +} + +struct PeerContext * +connect_to_peer (const char *cfgname, GNUNET_TRANSPORT_ReceiveCallback rec, + GNUNET_TRANSPORT_NotifyConnect nc, + GNUNET_TRANSPORT_NotifyDisconnect nd, void *cb_cls) +{ + if (GNUNET_DISK_file_test (cfgname) == GNUNET_NO) + { + GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "File not found: `%s' \n", cfgname); + return NULL; + } + + struct PeerContext *p = GNUNET_malloc (sizeof (struct PeerContext)); + + p->cfg = GNUNET_CONFIGURATION_create (); + + GNUNET_assert (GNUNET_OK == GNUNET_CONFIGURATION_load (p->cfg, cfgname)); + if (GNUNET_CONFIGURATION_have_value (p->cfg, "PATHS", "SERVICEHOME")) + GNUNET_CONFIGURATION_get_value_string (p->cfg, "PATHS", "SERVICEHOME", + &p->servicehome); + if (NULL != p->servicehome) + GNUNET_DISK_directory_remove (p->servicehome); + /* + * p->arm_proc = + * GNUNET_OS_start_process (NULL, NULL, "gnunet-service-arm", + * "gnunet-service-arm", "-c", cfgname, + * #if VERBOSE_PEERS + * "-L", "DEBUG", + * #else + * "-L", "ERROR", + * #endif + * NULL); + */ + p->nc = nc; + p->nd = nd; + p->rec = rec; + if (cb_cls != NULL) + p->cb_cls = cb_cls; + else + p->cb_cls = p; + + GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Connecting to transport service `%s'\n", + p->servicehome); + p->th = + GNUNET_TRANSPORT_connect (p->cfg, NULL, p, ¬ify_receive, + ¬ify_connect, ¬ify_disconnect); + GNUNET_assert (p->th != NULL); + return p; +} + +static void +sendtask (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc) +{ + send_task = GNUNET_SCHEDULER_NO_TASK; + + if ((tc->reason & GNUNET_SCHEDULER_REASON_SHUTDOWN) != 0) + return; + + th = GNUNET_TRANSPORT_notify_transmit_ready (p1->th, &p2->id, 256, 0, TIMEOUT, + ¬ify_ready, &p1); +} + +static void +testing_connect_cb (struct PeerContext *p1, struct PeerContext *p2, void *cls) +{ + cc = NULL; + char *p1_c = strdup (GNUNET_i2s (&p1->id)); + + GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "Peers connected: %s <-> %s\n", p1_c, + GNUNET_i2s (&p2->id)); + GNUNET_free (p1_c); + + // FIXME: THIS IS REQUIRED! SEEMS TO BE A BUG! + send_task = + GNUNET_SCHEDULER_add_delayed (GNUNET_TIME_UNIT_SECONDS, &sendtask, NULL); +} + +static void +run (void *cls, char *const *args, const char *cfgfile, + const struct GNUNET_CONFIGURATION_Handle *cfg) +{ + die_task = GNUNET_SCHEDULER_add_delayed (TIMEOUT, &end_badly, NULL); + + p1 = connect_to_peer (cfg_file_p1, ¬ify_receive, ¬ify_connect, + ¬ify_disconnect, NULL); + p2 = connect_to_peer (cfg_file_p2, ¬ify_receive, ¬ify_connect, + ¬ify_disconnect, NULL); + + if ((p1 == NULL) || (p2 == NULL)) + { + GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "Fail! Could not start peers!\n"); + if (die_task != GNUNET_SCHEDULER_NO_TASK) + GNUNET_SCHEDULER_cancel (die_task); + die_task = GNUNET_SCHEDULER_add_now (&end_badly, NULL); + return; + } + + cc = GNUNET_TRANSPORT_TESTING_connect_peers (p1, p2, &testing_connect_cb, + NULL); +} + + +static int +check () +{ + static char *const argv[] = { "test-transport-api", + "-c", + "test_transport_api_data.conf", +#if VERBOSE + "-L", "DEBUG", +#endif + NULL + }; + static struct GNUNET_GETOPT_CommandLineOption options[] = { + GNUNET_GETOPT_OPTION_END + }; + +#if WRITECONFIG + setTransportOptions ("test_transport_api_data.conf"); +#endif + send_task = GNUNET_SCHEDULER_NO_TASK; + + ok = 1; + GNUNET_PROGRAM_run ((sizeof (argv) / sizeof (char *)) - 1, argv, + "util_connect_running_peers", "nohelp", options, &run, + &ok); + + return ok; +} + +int +main (int argc, char *argv[]) +{ + int ret; + + GNUNET_log_setup ("util_connect_running_peers", +#if VERBOSE + "DEBUG", +#else + "WARNING", +#endif + NULL); + + + if (argc < 3) + { + fprintf (stderr, + "usage ./util_connect_running_peers \n"); + return -1; + } + else + { + GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Configuration file 1: `%s' \n", + argv[1]); + GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Configuration file 2: `%s'\n", + argv[2]); + } + + if (GNUNET_DISK_file_test (argv[1]) == GNUNET_NO) + { + GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "File not found: `%s' \n", argv[1]); + return -1; + } + if (GNUNET_DISK_file_test (argv[2]) == GNUNET_NO) + { + GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "File not found: `%s' \n", argv[2]); + return -1; + } + + GNUNET_asprintf (&cfg_file_p1, argv[1]); + GNUNET_asprintf (&cfg_file_p2, argv[2]); + + GNUNET_log (GNUNET_ERROR_TYPE_ERROR, + "Trying to connect peers, press control-d to stop... \n", + argv[1]); + + ret = check (); + + GNUNET_free (cfg_file_p1); + GNUNET_free (cfg_file_p2); + return ret; +} + +/* end of test_transport_api.c */ -- cgit v1.2.3