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#include <unistd.h>
#include <gnunet/platform.h>
#include <gnunet/gnunet_util_lib.h>
#include <gnunet/gnunet_testbed_service.h>
#include <gnunet/gnunet_dht_service.h>
/* Number of peers we want to start */
#define NUM_PEERS 20
struct GNUNET_TESTBED_Operation *dht_op;
struct GNUNET_DHT_Handle *dht_handle;
GNUNET_SCHEDULER_TaskIdentifier shutdown_tid;
struct MyContext
{
int ht_len;
} ctxt;
static int result;
static void
shutdown_task (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
{
shutdown_tid = GNUNET_SCHEDULER_NO_TASK;
if (NULL != dht_op)
{
GNUNET_TESTBED_operation_done (dht_op); /* calls the dht_da() for closing
down the connection */
dht_op = NULL;
}
result = GNUNET_OK;
GNUNET_SCHEDULER_shutdown (); /* Also kills the testbed */
}
static void
service_connect_comp (void *cls,
struct GNUNET_TESTBED_Operation *op,
void *ca_result,
const char *emsg)
{
/* Service to DHT successful; do something */
GNUNET_SCHEDULER_cancel (shutdown_tid);
GNUNET_SCHEDULER_add_delayed
(GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_SECONDS, 10),
&shutdown_task, NULL);
}
static void *
dht_ca (void *cls, const struct GNUNET_CONFIGURATION_Handle *cfg)
{
struct MyContext *ctxt = cls;
/* Use the provided configuration to connect to service */
dht_handle = GNUNET_DHT_connect (cfg, ctxt->ht_len);
return dht_handle;
}
static void
dht_da (void *cls, void *op_result)
{
struct MyContext *ctxt = cls;
/* Disconnect from DHT service */
GNUNET_DHT_disconnect ((struct GNUNET_DHT_Handle *) op_result);
ctxt->ht_len = 0;
dht_handle = NULL;
}
static void
test_master (void *cls, unsigned int num_peers,
struct GNUNET_TESTBED_Peer **peers,
unsigned int links_succeeeded,
unsigned int links_failed)
{
/* Testbed is ready with peers running and connected in a pre-defined overlay
topology */
/* do something */
ctxt.ht_len = 10;
/* connect to a peers service */
dht_op = GNUNET_TESTBED_service_connect
(NULL, /* Closure for operation */
peers[0], /* The peer whose service to connect to */
"dht", /* The name of the service */
service_connect_comp, /* callback to call after a handle to service
is opened */
NULL, /* closure for the above callback */
dht_ca, /* callback to call with peer's configuration;
this should open the needed service connection */
dht_da, /* callback to be called when closing the
opened service connection */
&ctxt); /* closure for the above two callbacks */
shutdown_tid = GNUNET_SCHEDULER_add_delayed (GNUNET_TIME_UNIT_MINUTES,
&shutdown_task, NULL);
}
int
main (int argc, char **argv)
{
int ret;
result = GNUNET_SYSERR;
ret = GNUNET_TESTBED_test_run
("awesome-test", /* test case name */
"template.conf", /* template configuration */
NUM_PEERS, /* number of peers to start */
0LL, /* Event mask - set to 0 for no event notifications */
NULL, /* Controller event callback */
NULL, /* Closure for controller event callback */
&test_master, /* continuation callback to be called when testbed setup is
complete */
NULL); /* Closure for the test_master callback */
if ( (GNUNET_OK != ret) || (GNUNET_OK != result) )
return 1;
return 0;
}
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