/* 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_core_api.c * @brief testcase for core_api.c * * 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_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, 15) #define MTYPE 12345 struct PeerContext { struct GNUNET_CONFIGURATION_Handle *cfg; struct GNUNET_CORE_Handle *ch; struct GNUNET_PeerIdentity id; /* FIXME: this is always all-zeros! */ struct GNUNET_TRANSPORT_Handle *th; struct GNUNET_MessageHeader *hello; #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 static void terminate_task (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc) { GNUNET_assert (ok == 6); GNUNET_CORE_disconnect (p1.ch); GNUNET_CORE_disconnect (p2.ch); GNUNET_TRANSPORT_disconnect (p1.th); GNUNET_TRANSPORT_disconnect (p2.th); GNUNET_ARM_stop_service ("core", p1.cfg, sched, TIMEOUT, NULL, NULL); GNUNET_ARM_stop_service ("core", p2.cfg, sched, TIMEOUT, NULL, NULL); ok = 0; } static void connect_notify (void *cls, const struct GNUNET_PeerIdentity *peer, unsigned int bpm, struct GNUNET_TIME_Absolute last_activity) { GNUNET_assert ((ok == 5) || (ok == 6)); GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Encrypted connection established to peer `%4s' (%u bpm)\n", GNUNET_i2s (peer), bpm); } static void disconnect_notify (void *cls, const struct GNUNET_PeerIdentity *peer, unsigned int bpm, struct GNUNET_TIME_Absolute last_activity) { GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Encrypted connection to `%4s' cut\n", GNUNET_i2s (peer)); } static unsigned int bfc_callback (void *cls, const struct GNUNET_PeerIdentity *receiver, void *position, unsigned int padding) { GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Core requests data for `%4s', I have none.\n", GNUNET_i2s (receiver)); return 0; } static int inbound_notify (void *cls, const struct GNUNET_PeerIdentity *other, const struct GNUNET_MessageHeader *message) { 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) { GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Core notifies about outbound data for `%4s'.\n", GNUNET_i2s (other)); return GNUNET_OK; } static int process_mtype (void *cls, const struct GNUNET_PeerIdentity *peer, const struct GNUNET_MessageHeader *message) { GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Receiving message from `%4s'.\n", GNUNET_i2s (peer)); GNUNET_assert (ok == 5); OKPP; GNUNET_SCHEDULER_add_delayed (sched, GNUNET_NO, GNUNET_SCHEDULER_PRIORITY_KEEP, GNUNET_SCHEDULER_NO_PREREQUISITE_TASK, GNUNET_TIME_UNIT_ZERO, &terminate_task, NULL); return GNUNET_OK; } static struct GNUNET_CORE_MessageHandler handlers[] = { {&process_mtype, MTYPE, sizeof (struct GNUNET_MessageHeader)}, {NULL, 0, 0} }; static size_t transmit_ready (void *cls, size_t size, void *buf) { struct PeerContext *p = cls; struct GNUNET_MessageHeader *m; GNUNET_assert (ok == 4); OKPP; GNUNET_assert (p == &p1); GNUNET_assert (buf != NULL); m = (struct GNUNET_MessageHeader *) buf; m->type = htons (MTYPE); m->size = htons (sizeof (struct GNUNET_MessageHeader)); return sizeof (struct GNUNET_MessageHeader); } 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, &bfc_callback, &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)); GNUNET_CORE_notify_transmit_ready (p1.ch, 0, TIMEOUT, &p2.id, sizeof (struct GNUNET_MessageHeader), &transmit_ready, &p1); } } static void process_hello (void *cls, struct GNUNET_TIME_Relative latency, const struct GNUNET_PeerIdentity *peer, const struct GNUNET_MessageHeader *message) { struct PeerContext *p = cls; GNUNET_assert (peer != NULL); GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Received (my) `%s' from transport service of `%4s'\n", "HELLO", GNUNET_i2s (peer)); 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 ("gnunet-service-arm", "gnunet-service-arm", #if VERBOSE "-L", "DEBUG", #endif "-c", cfgname, NULL); sleep (1); /* allow ARM to start */ #endif GNUNET_assert (GNUNET_OK == GNUNET_CONFIGURATION_load (p->cfg, cfgname)); GNUNET_ARM_start_service ("core", p->cfg, sched, TIMEOUT, NULL, NULL); p->th = GNUNET_TRANSPORT_connect (sched, p->cfg, p, NULL, NULL, NULL); GNUNET_assert (p->th != NULL); GNUNET_TRANSPORT_get_hello (p->th, TIMEOUT, &process_hello, p); } static void run (void *cls, struct GNUNET_SCHEDULER_Handle *s, char *const *args, const char *cfgfile, 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, &bfc_callback, &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 (p->arm_pid != waitpid (p->arm_pid, NULL, 0)) 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", "-c", "test_core_api_data.conf", #if VERBOSE "-L", "DEBUG", #endif NULL }; struct GNUNET_GETOPT_CommandLineOption options[] = { GNUNET_GETOPT_OPTION_END }; // sleep (1); /* for 'make check': allow previous processes to fully terminate */ ok = 1; GNUNET_PROGRAM_run ((sizeof (argv) / sizeof (char *)) - 1, argv, "test-core-api", "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 (); return ret; } /* end of test_core_api.c */