/**
* Client asked to resolve an address. Process the request.
*
* @param cls unused
* @param client the client
* @param message the resolution request
*/
static void
clients_handle_address_to_string (void *cls,
struct GNUNET_SERVER_Client *client,
const struct GNUNET_MessageHeader *message)
{
const struct AddressLookupMessage *alum;
struct GNUNET_TRANSPORT_PluginFunctions *papi;
const char *plugin_name;
const char *address;
uint32_t address_len;
uint16_t size;
struct GNUNET_SERVER_TransmitContext *tc;
struct AddressToStringContext *actx;
struct GNUNET_TIME_Relative rtimeout;
int32_t numeric;
size = ntohs (message->size);
if (size < sizeof (struct AddressLookupMessage))
{
GNUNET_break (0);
GNUNET_SERVER_receive_done (client, GNUNET_SYSERR);
return;
}
alum = (const struct AddressLookupMessage *) message;
address_len = ntohs (alum->addrlen);
if (size <= sizeof (struct AddressLookupMessage) + address_len)
{
GNUNET_break (0);
GNUNET_SERVER_receive_done (client, GNUNET_SYSERR);
return;
}
address = (const char *) &alum[1];
plugin_name = (const char *) &address[address_len];
if ('\0' != plugin_name[size - sizeof (struct AddressLookupMessage) - address_len - 1])
{
GNUNET_break (0);
GNUNET_SERVER_receive_done (client, GNUNET_SYSERR);
return;
}
rtimeout = GNUNET_TIME_relative_ntoh (alum->timeout);
numeric = ntohs (alum->numeric_only);
tc = GNUNET_SERVER_transmit_context_create (client);
papi = GST_plugins_printer_find (plugin_name);
if (NULL == papi)
{
GNUNET_SERVER_transmit_context_append_data (tc, NULL, 0,
GNUNET_MESSAGE_TYPE_TRANSPORT_ADDRESS_TO_STRING_REPLY);
GNUNET_SERVER_transmit_context_run (tc, rtimeout);
return;
}
actx = GNUNET_new (struct AddressToStringContext);
actx->tc = tc;
GNUNET_CONTAINER_DLL_insert (a2s_head, a2s_tail, actx);
GNUNET_SERVER_disable_receive_done_warning (client);
papi->address_pretty_printer (papi->cls, plugin_name, address, address_len,
numeric, rtimeout, &transmit_address_to_client,
actx);
}
/**
* Convert ATS properties from network to host byte order.
*
* @param hbo[OUT] value written
* @param nbo value read
*/
void
GNUNET_ATS_properties_ntoh (struct GNUNET_ATS_Properties *hbo,
const struct GNUNET_ATS_PropertiesNBO *nbo)
{
hbo->utilization_out = ntohl (nbo->utilization_out);
hbo->utilization_in = ntohl (nbo->utilization_in);
hbo->scope = ntohl ((uint32_t) nbo->scope);
hbo->distance = ntohl (nbo->distance);
hbo->delay = GNUNET_TIME_relative_ntoh (nbo->delay);
}
/**
* Handle ANNOUNCE message.
*
* @param cls closure
* @param client identification of the client
* @param message the actual message
*/
static void
handle_announce (void *cls,
struct GNUNET_SERVER_Client *client,
const struct GNUNET_MessageHeader *message)
{
const struct AnnounceMessage *am;
const char *regex;
struct ClientEntry *ce;
uint16_t size;
size = ntohs (message->size);
am = (const struct AnnounceMessage *) message;
regex = (const char *) &am[1];
if ( (size <= sizeof (struct AnnounceMessage)) ||
('\0' != regex[size - sizeof (struct AnnounceMessage) - 1]) )
{
GNUNET_break (0);
GNUNET_SERVER_receive_done (client, GNUNET_SYSERR);
return;
}
ce = GNUNET_new (struct ClientEntry);
ce->client = client;
ce->frequency = GNUNET_TIME_relative_ntoh (am->refresh_delay);
ce->refresh_task = GNUNET_SCHEDULER_add_delayed (ce->frequency,
&reannounce,
ce);
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
"Starting to announce regex `%s' every %s\n",
regex,
GNUNET_STRINGS_relative_time_to_string (ce->frequency,
GNUNET_NO));
ce->ah = REGEX_INTERNAL_announce (dht,
my_private_key,
regex,
ntohs (am->compression),
stats);
if (NULL == ce->ah)
{
GNUNET_break (0);
GNUNET_SCHEDULER_cancel (ce->refresh_task);
GNUNET_free (ce);
GNUNET_SERVER_receive_done (client, GNUNET_SYSERR);
return;
}
GNUNET_CONTAINER_DLL_insert (client_head,
client_tail,
ce);
GNUNET_SERVER_receive_done (client, GNUNET_OK);
}
int
main (int argc, char *argv[])
{
struct GNUNET_TIME_Absolute now;
struct GNUNET_TIME_AbsoluteNBO nown;
struct GNUNET_TIME_Absolute future;
struct GNUNET_TIME_Absolute past;
struct GNUNET_TIME_Absolute last;
struct GNUNET_TIME_Absolute forever;
struct GNUNET_TIME_Absolute zero;
struct GNUNET_TIME_Relative rel;
struct GNUNET_TIME_Relative relForever;
struct GNUNET_TIME_Relative relUnit;
struct GNUNET_TIME_RelativeNBO reln;
unsigned int i;
GNUNET_log_setup ("test-time", "WARNING", NULL);
forever = GNUNET_TIME_UNIT_FOREVER_ABS;
relForever = GNUNET_TIME_UNIT_FOREVER_REL;
relUnit = GNUNET_TIME_UNIT_MILLISECONDS;
zero.abs_value_us = 0;
last = now = GNUNET_TIME_absolute_get ();
while (now.abs_value_us == last.abs_value_us)
now = GNUNET_TIME_absolute_get ();
GNUNET_assert (now.abs_value_us > last.abs_value_us);
/* test overflow checking in multiply */
rel = GNUNET_TIME_UNIT_MILLISECONDS;
GNUNET_log_skip (1, GNUNET_NO);
for (i = 0; i < 55; i++)
rel = GNUNET_TIME_relative_multiply (rel, 2);
GNUNET_log_skip (0, GNUNET_NO);
GNUNET_assert (rel.rel_value_us == GNUNET_TIME_UNIT_FOREVER_REL.rel_value_us);
/*check zero */
rel.rel_value_us = (UINT64_MAX) - 1024;
GNUNET_assert (GNUNET_TIME_UNIT_ZERO.rel_value_us ==
GNUNET_TIME_relative_multiply (rel, 0).rel_value_us);
/* test infinity-check for relative to absolute */
GNUNET_log_skip (1, GNUNET_NO);
last = GNUNET_TIME_relative_to_absolute (rel);
GNUNET_assert (last.abs_value_us == GNUNET_TIME_UNIT_FOREVER_ABS.abs_value_us);
GNUNET_log_skip (0, GNUNET_YES);
/* check relative to absolute */
rel.rel_value_us = 1000000;
GNUNET_assert (GNUNET_TIME_absolute_get ().abs_value_us <
GNUNET_TIME_relative_to_absolute (rel).abs_value_us);
/*check forever */
rel.rel_value_us = UINT64_MAX;
GNUNET_assert (GNUNET_TIME_UNIT_FOREVER_ABS.abs_value_us ==
GNUNET_TIME_relative_to_absolute (rel).abs_value_us);
/* check overflow for r2a */
rel.rel_value_us = (UINT64_MAX) - 1024;
GNUNET_log_skip (1, GNUNET_NO);
last = GNUNET_TIME_relative_to_absolute (rel);
GNUNET_log_skip (0, GNUNET_NO);
GNUNET_assert (last.abs_value_us == GNUNET_TIME_UNIT_FOREVER_ABS.abs_value_us);
/* check overflow for relative add */
GNUNET_log_skip (1, GNUNET_NO);
rel = GNUNET_TIME_relative_add (rel, rel);
GNUNET_log_skip (0, GNUNET_NO);
GNUNET_assert (rel.rel_value_us == GNUNET_TIME_UNIT_FOREVER_REL.rel_value_us);
GNUNET_log_skip (1, GNUNET_NO);
rel = GNUNET_TIME_relative_add (relForever, relForever);
GNUNET_log_skip (0, GNUNET_NO);
GNUNET_assert (rel.rel_value_us == relForever.rel_value_us);
GNUNET_log_skip (1, GNUNET_NO);
rel = GNUNET_TIME_relative_add (relUnit, relUnit);
GNUNET_assert (rel.rel_value_us == 2 * relUnit.rel_value_us);
/* check relation check in get_duration */
future.abs_value_us = now.abs_value_us + 1000000;
GNUNET_assert (GNUNET_TIME_absolute_get_difference (now, future).rel_value_us ==
1000000);
GNUNET_assert (GNUNET_TIME_absolute_get_difference (future, now).rel_value_us ==
0);
GNUNET_assert (GNUNET_TIME_absolute_get_difference (zero, forever).rel_value_us
== forever.abs_value_us);
past.abs_value_us = now.abs_value_us - 1000000;
rel = GNUNET_TIME_absolute_get_duration (future);
GNUNET_assert (rel.rel_value_us == 0);
rel = GNUNET_TIME_absolute_get_duration (past);
GNUNET_assert (rel.rel_value_us >= 1000000);
/* check get remaining */
rel = GNUNET_TIME_absolute_get_remaining (now);
GNUNET_assert (rel.rel_value_us == 0);
rel = GNUNET_TIME_absolute_get_remaining (past);
GNUNET_assert (rel.rel_value_us == 0);
rel = GNUNET_TIME_absolute_get_remaining (future);
GNUNET_assert (rel.rel_value_us > 0);
GNUNET_assert (rel.rel_value_us <= 1000000);
forever = GNUNET_TIME_UNIT_FOREVER_ABS;
GNUNET_assert (GNUNET_TIME_UNIT_FOREVER_REL.rel_value_us ==
GNUNET_TIME_absolute_get_remaining (forever).rel_value_us);
/* check endianess */
reln = GNUNET_TIME_relative_hton (rel);
GNUNET_assert (rel.rel_value_us == GNUNET_TIME_relative_ntoh (reln).rel_value_us);
nown = GNUNET_TIME_absolute_hton (now);
GNUNET_assert (now.abs_value_us == GNUNET_TIME_absolute_ntoh (nown).abs_value_us);
/* check absolute addition */
future = GNUNET_TIME_absolute_add (now, GNUNET_TIME_UNIT_SECONDS);
GNUNET_assert (future.abs_value_us == now.abs_value_us + 1000 * 1000LL);
future = GNUNET_TIME_absolute_add (forever, GNUNET_TIME_UNIT_ZERO);
GNUNET_assert (future.abs_value_us == forever.abs_value_us);
rel.rel_value_us = (UINT64_MAX) - 1024;
now.abs_value_us = rel.rel_value_us;
future = GNUNET_TIME_absolute_add (now, rel);
GNUNET_assert (future.abs_value_us == forever.abs_value_us);
/* check zero */
future = GNUNET_TIME_absolute_add (now, GNUNET_TIME_UNIT_ZERO);
GNUNET_assert (future.abs_value_us == now.abs_value_us);
GNUNET_assert (forever.abs_value_us ==
GNUNET_TIME_absolute_subtract (forever,
GNUNET_TIME_UNIT_MINUTES).abs_value_us);
/*check absolute subtract */
now.abs_value_us = 50000;
rel.rel_value_us = 100000;
GNUNET_assert (GNUNET_TIME_UNIT_ZERO_ABS.abs_value_us ==
(GNUNET_TIME_absolute_subtract (now, rel)).abs_value_us);
rel.rel_value_us = 10000;
GNUNET_assert (40000 == (GNUNET_TIME_absolute_subtract (now, rel)).abs_value_us);
/*check relative divide */
GNUNET_assert (GNUNET_TIME_UNIT_FOREVER_REL.rel_value_us ==
(GNUNET_TIME_relative_divide (rel, 0)).rel_value_us);
rel = GNUNET_TIME_UNIT_FOREVER_REL;
GNUNET_assert (GNUNET_TIME_UNIT_FOREVER_REL.rel_value_us ==
(GNUNET_TIME_relative_divide (rel, 2)).rel_value_us);
rel = GNUNET_TIME_relative_divide (relUnit, 2);
GNUNET_assert (rel.rel_value_us == relUnit.rel_value_us / 2);
/* check Return absolute time of 0ms */
zero = GNUNET_TIME_UNIT_ZERO_ABS;
/* check GNUNET_TIME_calculate_eta */
last.abs_value_us = GNUNET_TIME_absolute_get ().abs_value_us - 1024;
forever = GNUNET_TIME_UNIT_FOREVER_ABS;
forever.abs_value_us = forever.abs_value_us - 1024;
GNUNET_assert (GNUNET_TIME_UNIT_ZERO_ABS.abs_value_us ==
GNUNET_TIME_calculate_eta (forever, 50000, 100000).rel_value_us);
/* check zero */
GNUNET_log_skip (1, GNUNET_NO);
GNUNET_assert (GNUNET_TIME_UNIT_ZERO.rel_value_us ==
(GNUNET_TIME_calculate_eta (last, 60000, 50000)).rel_value_us);
GNUNET_log_skip (0, GNUNET_YES);
/*check forever */
GNUNET_assert (GNUNET_TIME_UNIT_FOREVER_REL.rel_value_us ==
(GNUNET_TIME_calculate_eta (last, 0, 50000)).rel_value_us);
/*check relative subtract */
now = GNUNET_TIME_absolute_get ();
rel.rel_value_us = now.abs_value_us;
relForever.rel_value_us = rel.rel_value_us + 1024;
GNUNET_assert (1024 ==
GNUNET_TIME_relative_subtract (relForever, rel).rel_value_us);
/*check zero */
GNUNET_assert (GNUNET_TIME_UNIT_ZERO.rel_value_us ==
GNUNET_TIME_relative_subtract (rel, relForever).rel_value_us);
/*check forever */
rel.rel_value_us = UINT64_MAX;
GNUNET_assert (GNUNET_TIME_UNIT_FOREVER_REL.rel_value_us ==
GNUNET_TIME_relative_subtract (rel, relForever).rel_value_us);
/*check GNUNET_TIME_relative_min */
now = GNUNET_TIME_absolute_get ();
rel.rel_value_us = now.abs_value_us;
relForever.rel_value_us = rel.rel_value_us - 1024;
GNUNET_assert (relForever.rel_value_us ==
GNUNET_TIME_relative_min (rel, relForever).rel_value_us);
/*check GNUNET_TIME_relative_max */
GNUNET_assert (rel.rel_value_us ==
GNUNET_TIME_relative_max (rel, relForever).rel_value_us);
/*check GNUNET_TIME_absolute_min */
now = GNUNET_TIME_absolute_get ();
last.abs_value_us = now.abs_value_us - 1024;
GNUNET_assert (last.abs_value_us ==
GNUNET_TIME_absolute_min (now, last).abs_value_us);
/*check GNUNET_TIME_absolute_max */
GNUNET_assert (now.abs_value_us ==
GNUNET_TIME_absolute_max (now, last).abs_value_us);
return 0;
}
/**
* Client asked for transmission to a peer. Process the request.
*
* @param cls unused
* @param client the client
* @param message the send message that was sent
*/
static void
clients_handle_send (void *cls,
struct GNUNET_SERVER_Client *client,
const struct GNUNET_MessageHeader *message)
{
const struct OutboundMessage *obm;
const struct GNUNET_MessageHeader *obmm;
struct SendTransmitContinuationContext *stcc;
uint16_t size;
uint16_t msize;
struct TransportClient *tc;
tc = lookup_client (client);
if (NULL == tc)
{
/* client asked for transmission before 'START' */
GNUNET_break (0);
GNUNET_SERVER_receive_done (client, GNUNET_SYSERR);
return;
}
size = ntohs (message->size);
if (size <
sizeof (struct OutboundMessage) + sizeof (struct GNUNET_MessageHeader))
{
GNUNET_break (0);
GNUNET_SERVER_receive_done (client, GNUNET_SYSERR);
return;
}
obm = (const struct OutboundMessage *) message;
obmm = (const struct GNUNET_MessageHeader *) &obm[1];
msize = size - sizeof (struct OutboundMessage);
if (msize < sizeof (struct GNUNET_MessageHeader))
{
GNUNET_break (0);
GNUNET_SERVER_receive_done (client, GNUNET_SYSERR);
return;
}
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
"Received `%s' request from client with target `%4s' and first message of type %u and total size %u\n",
"SEND",
GNUNET_i2s (&obm->peer),
ntohs (obmm->type),
msize);
if (GNUNET_NO == GST_neighbours_test_connected (&obm->peer))
{
/* not connected, not allowed to send; can happen due to asynchronous operations */
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
"Could not send message to peer `%s': not connected\n",
GNUNET_i2s (&obm->peer));
GNUNET_STATISTICS_update (GST_stats,
gettext_noop
("# bytes payload dropped (other peer was not connected)"),
msize, GNUNET_NO);
GNUNET_SERVER_receive_done (client, GNUNET_OK);
return;
}
GNUNET_SERVER_receive_done (client, GNUNET_OK);
stcc = GNUNET_new (struct SendTransmitContinuationContext);
stcc->target = obm->peer;
stcc->client = client;
GNUNET_SERVER_client_keep (client);
GST_manipulation_send (&obm->peer, obmm, msize,
GNUNET_TIME_relative_ntoh (obm->timeout),
&handle_send_transmit_continuation, stcc);
}
