* @author Nathan Evans
*/
#include "platform.h"
-#include "gnunet_client_lib.h"
#include "gnunet_constants.h"
-#include "gnunet_container_lib.h"
#include "gnunet_arm_service.h"
#include "gnunet_hello_lib.h"
#include "gnunet_protocols.h"
-#include "gnunet_server_lib.h"
-#include "gnunet_time_lib.h"
+#include "gnunet_util_lib.h"
#include "gnunet_nse_service.h"
#include "nse.h"
+#define LOG(kind,...) GNUNET_log_from (kind, "nse-api",__VA_ARGS__)
/**
- * Handle for the service.
+ * Handle for talking with the NSE service.
*/
struct GNUNET_NSE_Handle
{
GNUNET_NSE_Callback recv_cb;
/**
- * Closure to pass to callback.
+ * Closure to pass to @e recv_cb callback.
*/
void *recv_cb_cls;
struct GNUNET_NSE_Handle *h = cls;
const struct GNUNET_NSE_ClientMessage *client_msg;
- if (msg == NULL)
+ if (NULL == msg)
{
/* Error, timeout, death */
- GNUNET_CLIENT_disconnect (h->client, GNUNET_NO);
+ GNUNET_CLIENT_disconnect (h->client);
h->client = NULL;
- h->reconnect_task = GNUNET_SCHEDULER_add_delayed (h->reconnect_delay,
- &reconnect, h);
+ h->reconnect_task =
+ GNUNET_SCHEDULER_add_delayed (h->reconnect_delay,
+ &reconnect, h);
return;
}
if ((ntohs (msg->size) != sizeof (struct GNUNET_NSE_ClientMessage)) ||
return;
}
client_msg = (const struct GNUNET_NSE_ClientMessage *) msg;
- h->recv_cb (h->recv_cb_cls,
- GNUNET_TIME_absolute_ntoh (client_msg->timestamp),
- client_msg->size_estimate, client_msg->std_deviation);
- GNUNET_CLIENT_receive (h->client,
- &message_handler, h, GNUNET_TIME_UNIT_FOREVER_REL);
+ h->recv_cb (h->recv_cb_cls, GNUNET_TIME_absolute_ntoh (client_msg->timestamp),
+ GNUNET_ntoh_double (client_msg->size_estimate),
+ GNUNET_ntoh_double (client_msg->std_deviation));
+ GNUNET_CLIENT_receive (h->client, &message_handler, h,
+ GNUNET_TIME_UNIT_FOREVER_REL);
}
-
/**
* Reschedule a connect attempt to the service.
*
}
if (NULL != h->client)
{
- GNUNET_CLIENT_disconnect (h->client, GNUNET_NO);
+ GNUNET_CLIENT_disconnect (h->client);
h->client = NULL;
}
-#if DEBUG_NSE
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
- "Scheduling task to reconnect to nse service in %llu ms.\n",
- h->reconnect_delay.rel_value);
-#endif
- h->reconnect_task
- = GNUNET_SCHEDULER_add_delayed (h->reconnect_delay, &reconnect, h);
- if (h->reconnect_delay.rel_value == 0)
- {
- h->reconnect_delay = GNUNET_TIME_UNIT_MILLISECONDS;
- }
- else
- {
- h->reconnect_delay = GNUNET_TIME_relative_multiply (h->reconnect_delay, 2);
- h->reconnect_delay = GNUNET_TIME_relative_min (GNUNET_TIME_UNIT_SECONDS,
- h->reconnect_delay);
- }
+ LOG (GNUNET_ERROR_TYPE_DEBUG,
+ "Scheduling task to reconnect to nse service in %s.\n",
+ GNUNET_STRINGS_relative_time_to_string (h->reconnect_delay,
+ GNUNET_YES));
+ h->reconnect_task =
+ GNUNET_SCHEDULER_add_delayed (h->reconnect_delay, &reconnect, h);
+ h->reconnect_delay = GNUNET_TIME_STD_BACKOFF (h->reconnect_delay);
}
/**
* Transmit START message to service.
*
- * @param cls unused
- * @param size number of bytes available in buf
+ * @param cls the `struct GNUNET_NSE_Handle *`
+ * @param size number of bytes available in @a buf
* @param buf where to copy the message
- * @return number of bytes copied to buf
+ * @return number of bytes copied to @a buf
*/
static size_t
send_start (void *cls, size_t size, void *buf)
struct GNUNET_MessageHeader *msg;
h->th = NULL;
- if (buf == NULL)
+ if (NULL == buf)
{
/* Connect error... */
-#if DEBUG_NSE
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
- "Shutdown while trying to transmit `%s' request.\n", "START");
-#endif
+ LOG (GNUNET_ERROR_TYPE_DEBUG,
+ "Error while trying to transmit `%s' request.\n",
+ "START");
reschedule_connect (h);
return 0;
}
-#if DEBUG_NSE
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Transmitting `%s' request.\n", "START");
-#endif
+ LOG (GNUNET_ERROR_TYPE_DEBUG,
+ "Transmitting `%s' request.\n",
+ "START");
GNUNET_assert (size >= sizeof (struct GNUNET_MessageHeader));
msg = (struct GNUNET_MessageHeader *) buf;
msg->size = htons (sizeof (struct GNUNET_MessageHeader));
msg->type = htons (GNUNET_MESSAGE_TYPE_NSE_START);
- GNUNET_CLIENT_receive (h->client,
- &message_handler, h, GNUNET_TIME_UNIT_FOREVER_REL);
+ GNUNET_CLIENT_receive (h->client, &message_handler, h,
+ GNUNET_TIME_UNIT_FOREVER_REL);
return sizeof (struct GNUNET_MessageHeader);
}
/**
* Try again to connect to network size estimation service.
*
- * @param cls the handle to the transport service
+ * @param cls the `struct GNUNET_NSE_Handle *`
* @param tc scheduler context
*/
static void
-reconnect (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
+reconnect (void *cls,
+ const struct GNUNET_SCHEDULER_TaskContext *tc)
{
struct GNUNET_NSE_Handle *h = cls;
h->reconnect_task = GNUNET_SCHEDULER_NO_TASK;
- if ((tc->reason & GNUNET_SCHEDULER_REASON_SHUTDOWN) != 0)
- {
- /* shutdown, just give up */
- return;
- }
-#if DEBUG_NSE
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
- "Connecting to network size estimation service.\n");
-#endif
- GNUNET_assert (h->client == NULL);
+ LOG (GNUNET_ERROR_TYPE_DEBUG,
+ "Connecting to network size estimation service.\n");
+ GNUNET_assert (NULL == h->client);
h->client = GNUNET_CLIENT_connect ("nse", h->cfg);
- GNUNET_assert (h->client != NULL);
-
+ GNUNET_assert (NULL != h->client);
+ GNUNET_assert (NULL == h->th);
h->th =
GNUNET_CLIENT_notify_transmit_ready (h->client,
sizeof (struct GNUNET_MessageHeader),
GNUNET_TIME_UNIT_FOREVER_REL,
GNUNET_NO, &send_start, h);
- GNUNET_assert (h->th != NULL);
+ GNUNET_assert (NULL != h->th);
}
*
* @param cfg the configuration to use
* @param func funtion to call with network size estimate
- * @param func_cls closure to pass for network size estimate callback
- *
+ * @param func_cls closure to pass to @a func
* @return handle to use
*/
struct GNUNET_NSE_Handle *
struct GNUNET_NSE_Handle *ret;
GNUNET_assert (func != NULL);
- ret = GNUNET_malloc (sizeof (struct GNUNET_NSE_Handle));
+ ret = GNUNET_new (struct GNUNET_NSE_Handle);
ret->cfg = cfg;
ret->recv_cb = func;
ret->recv_cb_cls = func_cls;
void
GNUNET_NSE_disconnect (struct GNUNET_NSE_Handle *h)
{
- GNUNET_assert (h != NULL);
+ GNUNET_assert (NULL != h);
if (h->reconnect_task != GNUNET_SCHEDULER_NO_TASK)
{
GNUNET_SCHEDULER_cancel (h->reconnect_task);
h->reconnect_task = GNUNET_SCHEDULER_NO_TASK;
}
- if (h->th != NULL)
+ if (NULL != h->th)
{
GNUNET_CLIENT_notify_transmit_ready_cancel (h->th);
h->th = NULL;
}
- if (h->client != NULL)
+ if (NULL != h->client)
{
- GNUNET_CLIENT_disconnect (h->client, GNUNET_NO);
+ GNUNET_CLIENT_disconnect (h->client);
h->client = NULL;
}
GNUNET_free (h);