/* This file is part of GNUnet. Copyright (C) 2009, 2010, 2015, 2016 GNUnet e.V. GNUnet is free software: you can redistribute it and/or modify it under the terms of the GNU Affero General Public License as published by the Free Software Foundation, either version 3 of the License, 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 Affero General Public License for more details. You should have received a copy of the GNU Affero General Public License along with this program. If not, see . SPDX-License-Identifier: AGPL3.0-or-later */ /** * @file core/test_core_api_reliability.c * @brief testcase for core_api.c focusing on reliable transmission (with TCP) * @author Christian Grothoff */ #include "platform.h" #include "gnunet_arm_service.h" #include "gnunet_core_service.h" #include "gnunet_util_lib.h" #include "gnunet_ats_service.h" #include "gnunet_transport_service.h" #include "gnunet_transport_hello_service.h" #include /** * 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, 600) #define MTYPE 12345 static unsigned long long total_bytes; static struct GNUNET_TIME_Absolute start_time; static struct GNUNET_SCHEDULER_Task *err_task; struct PeerContext { struct GNUNET_CONFIGURATION_Handle *cfg; struct GNUNET_CORE_Handle *ch; struct GNUNET_MQ_Handle *mq; struct GNUNET_PeerIdentity id; struct GNUNET_TRANSPORT_OfferHelloHandle *oh; struct GNUNET_MessageHeader *hello; struct GNUNET_TRANSPORT_HelloGetHandle *ghh; struct GNUNET_ATS_ConnectivityHandle *ats; struct GNUNET_ATS_ConnectivitySuggestHandle *ats_sh; int connect_status; struct GNUNET_OS_Process *arm_proc; }; static struct PeerContext p1; static struct PeerContext p2; static int ok; static int32_t tr_n; #define OKPP do { ok++; GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Now at stage %u at %s:%u\n", ok, __FILE__, __LINE__); } while (0) struct TestMessage { struct GNUNET_MessageHeader header; uint32_t num GNUNET_PACKED; }; 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_peer (struct PeerContext *p) { if (NULL != p->ch) { GNUNET_CORE_disconnect (p->ch); p->ch = NULL; } if (NULL != p->ghh) { GNUNET_TRANSPORT_hello_get_cancel (p->ghh); p->ghh = NULL; } if (NULL != p->oh) { GNUNET_TRANSPORT_offer_hello_cancel (p->oh); p->oh = NULL; } if (NULL != p->ats_sh) { GNUNET_ATS_connectivity_suggest_cancel (p->ats_sh); p->ats_sh = NULL; } if (NULL != p->ats) { GNUNET_ATS_connectivity_done (p->ats); p->ats = NULL; } } static void terminate_task_error (void *cls) { err_task = NULL; GNUNET_break (0); GNUNET_SCHEDULER_shutdown (); ok = 42; } static void do_shutdown (void *cls) { unsigned long long delta; delta = GNUNET_TIME_absolute_get_duration (start_time).rel_value_us; if (0 == delta) delta = 1; FPRINTF (stderr, "\nThroughput was %llu kb/s\n", total_bytes * 1000000LL / 1024 / delta); GAUGER ("CORE", "Core throughput/s", total_bytes * 1000000LL / 1024 / delta, "kb/s"); if (NULL != err_task) { GNUNET_SCHEDULER_cancel (err_task); err_task = NULL; } terminate_peer (&p1); terminate_peer (&p2); } static void send_message (struct GNUNET_MQ_Handle *mq, int32_t num) { struct GNUNET_MQ_Envelope *env; struct TestMessage *hdr; unsigned int s; GNUNET_assert (NULL != mq); GNUNET_assert (tr_n < TOTAL_MSGS); s = get_size (tr_n); GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Sending message %u of size %u\n", tr_n, s); env = GNUNET_MQ_msg_extra (hdr, s - sizeof (struct TestMessage), MTYPE); hdr->num = htonl (tr_n); memset (&hdr[1], tr_n, s - sizeof (struct TestMessage)); tr_n++; GNUNET_SCHEDULER_cancel (err_task); err_task = GNUNET_SCHEDULER_add_delayed (TIMEOUT, &terminate_task_error, NULL); total_bytes += s; GNUNET_MQ_send (mq, env); } static void * connect_notify (void *cls, const struct GNUNET_PeerIdentity *peer, struct GNUNET_MQ_Handle *mq) { struct PeerContext *pc = cls; if (0 == memcmp (&pc->id, peer, sizeof (struct GNUNET_PeerIdentity))) return (void *) peer; pc->mq = mq; GNUNET_assert (0 == pc->connect_status); pc->connect_status = 1; if (pc == &p1) { GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Encrypted connection established to peer `%s'\n", GNUNET_i2s (peer)); GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Asking core (1) for transmission to peer `%s'\n", GNUNET_i2s (&p2.id)); GNUNET_SCHEDULER_cancel (err_task); err_task = GNUNET_SCHEDULER_add_delayed (TIMEOUT, &terminate_task_error, NULL); start_time = GNUNET_TIME_absolute_get (); send_message (mq, 0); } return (void *) peer; } static void disconnect_notify (void *cls, const struct GNUNET_PeerIdentity *peer, void *internal_cls) { struct PeerContext *pc = cls; if (0 == memcmp (&pc->id, peer, sizeof (struct GNUNET_PeerIdentity))) return; pc->mq = NULL; pc->connect_status = 0; GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Encrypted connection to `%s' cut\n", GNUNET_i2s (peer)); } static int check_test (void *cls, const struct TestMessage *hdr) { return GNUNET_OK; /* accept all */ } static void handle_test (void *cls, const struct TestMessage *hdr) { static int n; unsigned int s; s = get_size (n); if (ntohs (hdr->header.size) != s) { GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "Expected message %u of size %u, got %u bytes of message %u\n", n, s, ntohs (hdr->header.size), ntohl (hdr->num)); GNUNET_SCHEDULER_cancel (err_task); err_task = GNUNET_SCHEDULER_add_now (&terminate_task_error, NULL); return; } 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, (unsigned int) ntohs (hdr->header.size), (unsigned int) ntohl (hdr->num)); GNUNET_SCHEDULER_cancel (err_task); err_task = GNUNET_SCHEDULER_add_now (&terminate_task_error, NULL); return; } GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Got message %u of size %u\n", (unsigned int) ntohl (hdr->num), (unsigned int) ntohs (hdr->header.size)); n++; if (0 == (n % (TOTAL_MSGS / 100))) FPRINTF (stderr, "%s", "."); if (n == TOTAL_MSGS) { ok = 0; GNUNET_SCHEDULER_shutdown (); } else { if (n == tr_n) { send_message (p1.mq, tr_n); } } } static void init_notify (void *cls, const struct GNUNET_PeerIdentity *my_identity) { struct PeerContext *p = cls; struct GNUNET_MQ_MessageHandler handlers[] = { GNUNET_MQ_hd_var_size (test, MTYPE, struct TestMessage, NULL), GNUNET_MQ_handler_end () }; GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Connection to CORE service of `%s' established\n", GNUNET_i2s (my_identity)); p->id = *my_identity; if (cls == &p1) { GNUNET_assert (ok == 2); OKPP; /* connect p2 */ GNUNET_assert (NULL != (p2.ch = GNUNET_CORE_connect (p2.cfg, &p2, &init_notify, &connect_notify, &disconnect_notify, handlers))); } else { GNUNET_assert (ok == 3); OKPP; GNUNET_assert (cls == &p2); GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Asking transport (1) to connect to peer `%s'\n", GNUNET_i2s (&p2.id)); p1.ats_sh = GNUNET_ATS_connectivity_suggest (p1.ats, &p2.id, 1); } } static void offer_hello_done (void *cls) { struct PeerContext *p = cls; p->oh = NULL; } static void process_hello (void *cls, const struct GNUNET_MessageHeader *message) { struct PeerContext *p = cls; GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Received (my) `%s' from transport service\n", "HELLO"); GNUNET_assert (message != NULL); GNUNET_free_non_null (p->hello); p->hello = GNUNET_copy_message (message); if ((p == &p1) && (NULL == p2.oh)) p2.oh = GNUNET_TRANSPORT_offer_hello (p2.cfg, message, &offer_hello_done, &p2); if ((p == &p2) && (NULL == p1.oh)) p1.oh = GNUNET_TRANSPORT_offer_hello (p1.cfg, message, &offer_hello_done, &p1); if ((p == &p1) && (p2.hello != NULL) && (NULL == p1.oh) ) p1.oh = GNUNET_TRANSPORT_offer_hello (p1.cfg, p2.hello, &offer_hello_done, &p1); if ((p == &p2) && (p1.hello != NULL) && (NULL == p2.oh) ) p2.oh = GNUNET_TRANSPORT_offer_hello (p2.cfg, p1.hello, &offer_hello_done, &p2); } static void setup_peer (struct PeerContext *p, const char *cfgname) { char *binary; binary = GNUNET_OS_get_libexec_binary_path ("gnunet-service-arm"); p->cfg = GNUNET_CONFIGURATION_create (); p->arm_proc = GNUNET_OS_start_process (GNUNET_YES, GNUNET_OS_INHERIT_STD_OUT_AND_ERR, NULL, NULL, NULL, binary, "gnunet-service-arm", "-c", cfgname, NULL); GNUNET_assert (GNUNET_OK == GNUNET_CONFIGURATION_load (p->cfg, cfgname)); p->ats = GNUNET_ATS_connectivity_init (p->cfg); GNUNET_assert (NULL != p->ats); p->ghh = GNUNET_TRANSPORT_hello_get (p->cfg, GNUNET_TRANSPORT_AC_ANY, &process_hello, p); GNUNET_free (binary); } static void run (void *cls, char *const *args, const char *cfgfile, const struct GNUNET_CONFIGURATION_Handle *cfg) { struct GNUNET_MQ_MessageHandler handlers[] = { GNUNET_MQ_hd_fixed_size (test, MTYPE, struct TestMessage, NULL), GNUNET_MQ_handler_end () }; GNUNET_assert (ok == 1); OKPP; setup_peer (&p1, "test_core_api_peer1.conf"); setup_peer (&p2, "test_core_api_peer2.conf"); err_task = GNUNET_SCHEDULER_add_delayed (TIMEOUT, &terminate_task_error, NULL); GNUNET_SCHEDULER_add_shutdown (&do_shutdown, NULL); GNUNET_assert (NULL != (p1.ch = GNUNET_CORE_connect (p1.cfg, &p1, &init_notify, &connect_notify, &disconnect_notify, handlers))); } static void stop_arm (struct PeerContext *p) { if (0 != GNUNET_OS_process_kill (p->arm_proc, GNUNET_TERM_SIG)) GNUNET_log_strerror (GNUNET_ERROR_TYPE_WARNING, "kill"); if (GNUNET_OK != GNUNET_OS_process_wait (p->arm_proc)) 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_destroy (p->arm_proc); p->arm_proc = NULL; GNUNET_CONFIGURATION_destroy (p->cfg); } int main (int argc, char *argv1[]) { char *const argv[] = { "test-core-api-reliability", "-c", "test_core_api_data.conf", NULL }; struct GNUNET_GETOPT_CommandLineOption options[] = { GNUNET_GETOPT_OPTION_END }; ok = 1; GNUNET_log_setup ("test-core-api-reliability", "WARNING", NULL); GNUNET_PROGRAM_run ((sizeof (argv) / sizeof (char *)) - 1, argv, "test-core-api-reliability", "nohelp", options, &run, &ok); stop_arm (&p1); stop_arm (&p2); GNUNET_free_non_null (p1.hello); GNUNET_free_non_null (p2.hello); GNUNET_DISK_directory_remove ("/tmp/test-gnunet-core-peer-1"); GNUNET_DISK_directory_remove ("/tmp/test-gnunet-core-peer-2"); return ok; } /* end of test_core_api_reliability.c */