void
ccnl_simu_cleanup(void *dummy, void *dummy2)
{
printf("Simulation ended; press ENTER to terminate\n");
while (getchar() != '\n');
int i;
for (i = 0; i < 5; i++) {
struct ccnl_relay_s *relay = relays + i;
if (relay->aux) {
ccnl_free(relay->aux);
relay->aux = NULL;
}
ccnl_core_cleanup(relay);
}
while(eventqueue)
ccnl_rem_timer(eventqueue);
while(etherqueue) {
struct ccnl_ethernet_s *e = etherqueue->next;
ccnl_free(etherqueue);
etherqueue = e;
}
#ifdef USE_SCHEDULER
ccnl_sched_cleanup();
#endif
#ifdef USE_DEBUG_MALLOC
debug_memdump();
#endif
}
/**
* @brief initializing routing system
* @param pointer to count transceiver pids
*
*/
void *ccnl_riot_relay_start(void *arg)
{
(void) arg;
theRelay = calloc(1, sizeof(struct ccnl_relay_s));
ccnl_get_timeval(&theRelay->startup_time);
theRelay->riot_pid = sched_active_pid;
mutex_init(&theRelay->global_lock);
DEBUGMSG(1, "This is ccn-lite-relay, starting at %lu:%lu\n", theRelay->startup_time.tv_sec, theRelay->startup_time.tv_usec);
DEBUGMSG(1, " compile time: %s %s\n", __DATE__, __TIME__);
DEBUGMSG(1, " max_cache_entries: %d\n", CCNL_DEFAULT_MAX_CACHE_ENTRIES);
DEBUGMSG(1, " threshold_prefix: %d\n", CCNL_DEFAULT_THRESHOLD_PREFIX);
DEBUGMSG(1, " threshold_aggregate: %d\n", CCNL_DEFAULT_THRESHOLD_AGGREGATE);
ccnl_relay_config(theRelay, CCNL_DEFAULT_MAX_CACHE_ENTRIES, CCNL_DEFAULT_THRESHOLD_PREFIX, CCNL_DEFAULT_THRESHOLD_AGGREGATE);
theRelay->riot_helper_pid = riot_start_helper_thread();
ccnl_io_loop(theRelay);
DEBUGMSG(1, "ioloop stopped\n");
while (eventqueue) {
ccnl_rem_timer(eventqueue);
}
ccnl_core_cleanup(theRelay);
mutex_lock(&theRelay->stop_lock);
ccnl_free(theRelay);
return NULL;
}
// callback from the chemflow engine when a timer for the first reaction shall be set/changed/canceled
static int ccnl_sched_cf_engine_set_timer(struct cf_engine *e, void *userptr, cf_time time)
{
struct timeval tv;
DEBUGMSG(TRACE, "%s()\n", __FUNCTION__);
// stop the currently running timer
if (engine_timer) {
ccnl_rem_timer(engine_timer);
engine_timer = NULL;
}
// start the timer
if (time < CF_TIME_INF) {
tv.tv_sec = cf_u64_div(time, 1000000000);
tv.tv_usec = cf_u64_mod(time, 1000000000) / 1000;
engine_timer = ccnl_set_absolute_timer(tv, ccnl_sched_cf_timeout, NULL, NULL);
}
return CF_OK;
}
int
main(int argc, char **argv)
{
int opt;
int max_cache_entries = -1;
int udpport = CCN_UDP_PORT;
int tcpport = CCN_UDP_PORT;
char *datadir = NULL;
char *ethdev = NULL;
char *crypto_sock_path = 0;
#ifdef USE_UNIXSOCKET
char *uxpath = CCNL_DEFAULT_UNIXSOCKNAME;
#else
char *uxpath = NULL;
#endif
time(&theRelay.startup_time);
srandom(time(NULL));
while ((opt = getopt(argc, argv, "hc:d:e:g:i:s:u:v:x:p:")) != -1) {
switch (opt) {
case 'c':
max_cache_entries = atoi(optarg);
break;
case 'd':
datadir = optarg;
break;
case 'e':
ethdev = optarg;
break;
case 'g':
inter_pkt_interval = atoi(optarg);
break;
case 'i':
inter_ccn_interval = atoi(optarg);
break;
case 's':
tcpport = atoi(optarg);
break;
case 'u':
udpport = atoi(optarg);
break;
case 'v':
debug_level = atoi(optarg);
break;
case 'x':
uxpath = optarg;
break;
case 'p':
crypto_sock_path = optarg;
break;
case 'h':
default:
fprintf(stderr,
"usage: %s [-h] [-c MAX_CONTENT_ENTRIES]"
" [-d databasedir]"
" [-e ethdev]"
" [-g MIN_INTER_PACKET_INTERVAL]"
" [-i MIN_INTER_CCNMSG_INTERVAL]"
" [-s tcpport]"
" [-u udpport]"
" [-v DEBUG_LEVEL]"
#ifdef USE_UNIXSOCKET
" [-p crypto_face_ux_socket]"
" [-x unixpath]"
#endif
"\n", argv[0]);
exit(EXIT_FAILURE);
}
}
DEBUGMSG(1, "This is ccn-lite-relay, starting at %s", ctime(&theRelay.startup_time) + 4);
DEBUGMSG(1, " ccnl-core: %s\n", CCNL_VERSION);
DEBUGMSG(1, " compile time: %s %s\n", __DATE__, __TIME__);
DEBUGMSG(1, " compile options: %s\n", compile_string());
ccnl_relay_config(&theRelay, ethdev, udpport, tcpport,
uxpath, max_cache_entries, crypto_sock_path);
if (datadir)
ccnl_populate_cache(&theRelay, datadir);
ccnl_io_loop(&theRelay);
while (eventqueue)
ccnl_rem_timer(eventqueue);
ccnl_core_cleanup(&theRelay);
#ifdef USE_HTTP_STATUS
theRelay.http = ccnl_http_cleanup(theRelay.http);
#endif
#ifdef USE_DEBUG_MALLOC
debug_memdump();
#endif
return 0;
}
void
ccnl_simu_client_RX(struct ccnl_relay_s *relay, char *name,
int seqn, char *data, int len) // receiving side
{
char node = relay2char(relay);
struct ccnl_client_s *cl = relay->aux;
int i;
DEBUGMSG(INFO, "*** node %c received %d content bytes for name %s, seq=%d\n",
node, len, name, seqn);
if (strcmp(name, cl->name)) {
DEBUGMSG(WARNING, "*** content name does not match our request!!\n"
" <%s> instead of <%s>\n", name, cl->name);
return;
}
for (i = 0; i < MAX_PIPELINE; i++) {
if (cl->onthefly[i] == seqn)
break;
}
if (i == MAX_PIPELINE) // must be old content, ignore
return;
if (seqn != (cl->last_received+1)) {
DEBUGMSG(INFO, "*** content %d out of sequence (expected %d)\n",
seqn, cl->last_received+1);
cl->outofseq++;
}
cl->last_received = seqn;
if (cl->to_handlers[i]) {
ccnl_rem_timer(cl->to_handlers[i]);
cl->to_handlers[i] = 0;
}
if (cl->nextseq > cl->lastseq) {
DEBUGMSG(INFO, "*** node %c, client thread %d terminated, %d remaining\n",
node, i, cl->threadcnt-1);
cl->onthefly[i] = -1;
cl->threadcnt--;
if (cl->threadcnt <= 0) {
pending_client_tasks--;
DEBUGMSG(INFO, "task for node %c ended, %d retransmit(s), %d outofseq /%d\n",
node, cl->retries, cl->outofseq, pending_client_tasks);
if (pending_client_tasks <= 0) {
if (phaseOne == 1){
DEBUGMSG(INFO, "Enter Phase-TWO (by node %c)\n\n", node);
//make a fake zero log
ccnl_set_timer(500000, ccnl_simu_phase_two, 0, 0);
} else {
DEBUGMSG(INFO, "all tasks of phase two terminated\n");
for (i = 0; i < MAX_PIPELINE; i++) {
if (cl->to_handlers[i]) {
ccnl_rem_timer(cl->to_handlers[i]);
cl->to_handlers[i] = 0;
}
}
// wait a little before cleaning up
// (e.g. eth drive to drain its queue)
ccnl_set_timer(2000000, ccnl_simu_cleanup, 0, 0);
}
}
}
return;
}
cl->onthefly[i] = cl->nextseq;
cl->nextseq++;
cl->nonces[i] = random();
cl->to_handlers[i] = ccnl_set_timer(TIMEOUT, ccnl_simu_client_timeout,
relay, cl->to_handlers + i);
ccnl_client_TX(node, cl->name, cl->onthefly[i], cl->nonces[i]);
}
int
main(int argc, char **argv)
{
int opt, max_cache_entries = -1, httpport = -1;
int udpport1 = -1, udpport2 = -1;
char *datadir = NULL, *ethdev = NULL, *crypto_sock_path = NULL;
#ifdef USE_UNIXSOCKET
char *uxpath = CCNL_DEFAULT_UNIXSOCKNAME;
#else
char *uxpath = NULL;
#endif
#ifdef USE_ECHO
char *echopfx = NULL;
#endif
time(&theRelay.startup_time);
srandom(time(NULL));
while ((opt = getopt(argc, argv, "hc:d:e:g:i:o:p:s:t:u:v:x:")) != -1) {
switch (opt) {
case 'c':
max_cache_entries = atoi(optarg);
break;
case 'd':
datadir = optarg;
break;
case 'e':
ethdev = optarg;
break;
case 'g':
inter_pkt_interval = atoi(optarg);
break;
case 'i':
inter_ccn_interval = atoi(optarg);
break;
#ifdef USE_ECHO
case 'o':
echopfx = optarg;
break;
#endif
case 'p':
crypto_sock_path = optarg;
break;
case 's':
suite = ccnl_str2suite(optarg);
if (!ccnl_isSuite(suite))
goto usage;
break;
case 't':
httpport = atoi(optarg);
break;
case 'u':
if (udpport1 == -1)
udpport1 = atoi(optarg);
else
udpport2 = atoi(optarg);
break;
case 'v':
#ifdef USE_LOGGING
if (isdigit(optarg[0]))
debug_level = atoi(optarg);
else
debug_level = ccnl_debug_str2level(optarg);
#endif
break;
case 'x':
uxpath = optarg;
break;
case 'h':
default:
usage:
fprintf(stderr,
"usage: %s [options]\n"
" -c MAX_CONTENT_ENTRIES\n"
" -d databasedir\n"
" -e ethdev\n"
" -g MIN_INTER_PACKET_INTERVAL\n"
" -h\n"
" -i MIN_INTER_CCNMSG_INTERVAL\n"
#ifdef USE_ECHO
" -o echo_prefix\n"
#endif
" -p crypto_face_ux_socket\n"
" -s SUITE (ccnb, ccnx2015, cisco2015, iot2014, ndn2013)\n"
" -t tcpport (for HTML status page)\n"
" -u udpport (can be specified twice)\n"
#ifdef USE_LOGGING
" -v DEBUG_LEVEL (fatal, error, warning, info, debug, verbose, trace)\n"
#endif
#ifdef USE_UNIXSOCKET
" -x unixpath\n"
#endif
, argv[0]);
exit(EXIT_FAILURE);
}
}
opt = ccnl_suite2defaultPort(suite);
if (udpport1 < 0)
udpport1 = opt;
if (httpport < 0)
httpport = opt;
ccnl_core_init();
DEBUGMSG(INFO, "This is ccn-lite-relay, starting at %s",
ctime(&theRelay.startup_time) + 4);
DEBUGMSG(INFO, " ccnl-core: %s\n", CCNL_VERSION);
DEBUGMSG(INFO, " compile time: %s %s\n", __DATE__, __TIME__);
DEBUGMSG(INFO, " compile options: %s\n", compile_string);
DEBUGMSG(INFO, "Abhinav - Modified CCN lite");
// DEBUGMSG(INFO, "using suite %s\n", ccnl_suite2str(suite));
ccnl_relay_config(&theRelay, ethdev, udpport1, udpport2, httpport,
uxpath, suite, max_cache_entries, crypto_sock_path);
if (datadir)
ccnl_populate_cache(&theRelay, datadir);
#ifdef USE_ECHO
if (echopfx) {
struct ccnl_prefix_s *pfx;
char *dup = ccnl_strdup(echopfx);
pfx = ccnl_URItoPrefix(dup, suite, NULL, NULL);
if (pfx)
ccnl_echo_add(&theRelay, pfx);
ccnl_free(dup);
}
#endif
ccnl_io_loop(&theRelay);
while (eventqueue)
ccnl_rem_timer(eventqueue);
ccnl_core_cleanup(&theRelay);
#ifdef USE_HTTP_STATUS
theRelay.http = ccnl_http_cleanup(theRelay.http);
#endif
#ifdef USE_DEBUG_MALLOC
debug_memdump();
#endif
return 0;
}