/*
This file is part of GNUnet.
- (C) 2010 Christian Grothoff (and other contributing authors)
+ Copyright (C) 2010 GNUnet e.V.
GNUnet is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published
You should have received a copy of the GNU General Public License
along with GNUnet; see the file COPYING. If not, write to the
- Free Software Foundation, Inc., 59 Temple Place - Suite 330,
- Boston, MA 02111-1307, USA.
+ Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+ Boston, MA 02110-1301, USA.
*/
/**
/**
* Client has disconnected, clean up.
*
- * @param cls our 'struct GNUNET_SERVER_NotificationContext *'
+ * @param cls our `struct GNUNET_SERVER_NotificationContext *`
* @param client handle of client that disconnected
*/
static void
-handle_client_disconnect (void *cls, struct GNUNET_SERVER_Client *client)
+handle_client_disconnect (void *cls,
+ struct GNUNET_SERVER_Client *client)
{
struct GNUNET_SERVER_NotificationContext *nc = cls;
struct ClientList *pos;
pos);
while (NULL != (pml = pos->pending_head))
{
- GNUNET_CONTAINER_DLL_remove (pos->pending_head, pos->pending_tail, pml);
+ GNUNET_CONTAINER_DLL_remove (pos->pending_head,
+ pos->pending_tail,
+ pml);
GNUNET_free (pml);
pos->num_pending--;
}
{
struct GNUNET_SERVER_NotificationContext *ret;
- ret = GNUNET_malloc (sizeof (struct GNUNET_SERVER_NotificationContext));
+ ret = GNUNET_new (struct GNUNET_SERVER_NotificationContext);
ret->server = server;
ret->queue_length = queue_length;
- GNUNET_SERVER_disconnect_notify (server, &handle_client_disconnect, ret);
+ GNUNET_SERVER_disconnect_notify (server,
+ &handle_client_disconnect,
+ ret);
return ret;
}
* @param nc context to destroy.
*/
void
-GNUNET_SERVER_notification_context_destroy (struct
- GNUNET_SERVER_NotificationContext
- *nc)
+GNUNET_SERVER_notification_context_destroy (struct GNUNET_SERVER_NotificationContext *nc)
{
struct ClientList *pos;
struct PendingMessageList *pml;
pos);
if (NULL != pos->th)
{
- GNUNET_SERVER_notify_transmit_ready_cancel(pos->th);
+ GNUNET_SERVER_notify_transmit_ready_cancel (pos->th);
pos->th = NULL;
}
GNUNET_SERVER_client_drop (pos->client);
while (NULL != (pml = pos->pending_head))
{
- GNUNET_CONTAINER_DLL_remove (pos->pending_head, pos->pending_tail, pml);
+ GNUNET_CONTAINER_DLL_remove (pos->pending_head,
+ pos->pending_tail,
+ pml);
GNUNET_free (pml);
pos->num_pending--;
}
}
if (NULL != nc->server)
GNUNET_SERVER_disconnect_notify_cancel (nc->server,
- &handle_client_disconnect, nc);
+ &handle_client_disconnect,
+ nc);
GNUNET_free (nc);
}
* @param client client to add
*/
void
-GNUNET_SERVER_notification_context_add (struct GNUNET_SERVER_NotificationContext
- *nc,
+GNUNET_SERVER_notification_context_add (struct GNUNET_SERVER_NotificationContext *nc,
struct GNUNET_SERVER_Client *client)
{
struct ClientList *cl;
for (cl = nc->clients_head; NULL != cl; cl = cl->next)
if (cl->client == client)
return; /* already present */
- cl = GNUNET_malloc (sizeof (struct ClientList));
+ cl = GNUNET_new (struct ClientList);
GNUNET_CONTAINER_DLL_insert (nc->clients_head,
nc->clients_tail,
cl);
/**
* Function called to notify a client about the socket begin ready to
- * queue more data. "buf" will be NULL and "size" zero if the socket
+ * queue more data. @a buf will be NULL and @a size zero if the socket
* was closed for writing in the meantime.
*
- * @param cls the 'struct ClientList *'
- * @param size number of bytes available in buf
+ * @param cls the `struct ClientList *`
+ * @param size number of bytes available in @a buf
* @param buf where the callee should write the message
* @return number of bytes written to buf
*/
static size_t
-transmit_message (void *cls, size_t size, void *buf)
+transmit_message (void *cls,
+ size_t size,
+ void *buf)
{
struct ClientList *cl = cls;
char *cbuf = buf;
msize = ntohs (pml->msg->size);
if (size < msize)
break;
- GNUNET_CONTAINER_DLL_remove (cl->pending_head, cl->pending_tail, pml);
+ GNUNET_CONTAINER_DLL_remove (cl->pending_head,
+ cl->pending_tail,
+ pml);
LOG (GNUNET_ERROR_TYPE_DEBUG,
"Copying message of type %u and size %u from pending queue to transmission buffer\n",
- ntohs (pml->msg->type), msize);
- memcpy (&cbuf[ret], pml->msg, msize);
+ ntohs (pml->msg->type),
+ msize);
+ GNUNET_memcpy (&cbuf[ret], pml->msg, msize);
ret += msize;
size -= msize;
GNUNET_free (pml);
"Have %u messages left in NC queue, will try transmission again\n",
cl->num_pending);
cl->th =
- GNUNET_SERVER_notify_transmit_ready (cl->client, ntohs (pml->msg->size),
+ GNUNET_SERVER_notify_transmit_ready (cl->client,
+ ntohs (pml->msg->size),
GNUNET_TIME_UNIT_FOREVER_REL,
&transmit_message, cl);
}
*/
static void
do_unicast (struct GNUNET_SERVER_NotificationContext *nc,
- struct ClientList *client, const struct GNUNET_MessageHeader *msg,
+ struct ClientList *client,
+ const struct GNUNET_MessageHeader *msg,
int can_drop)
{
struct PendingMessageList *pml;
uint16_t size;
- if ((client->num_pending > nc->queue_length) && (GNUNET_YES == can_drop))
+ if ( (client->num_pending > nc->queue_length) &&
+ (GNUNET_YES == can_drop) )
{
LOG (GNUNET_ERROR_TYPE_INFO,
"Dropping message of type %u and size %u due to full queue (%u entries)\n",
pml->can_drop = can_drop;
LOG (GNUNET_ERROR_TYPE_DEBUG,
"Adding message of type %u and size %u to pending queue (which has %u entries)\n",
- ntohs (msg->type), ntohs (msg->size), (unsigned int) nc->queue_length);
- memcpy (&pml[1], msg, size);
+ ntohs (msg->type),
+ ntohs (msg->size),
+ (unsigned int) nc->queue_length);
+ GNUNET_memcpy (&pml[1], msg, size);
/* append */
- GNUNET_CONTAINER_DLL_insert_tail (client->pending_head, client->pending_tail,
+ GNUNET_CONTAINER_DLL_insert_tail (client->pending_head,
+ client->pending_tail,
pml);
if (NULL == client->th)
client->th =
* @param can_drop can this message be dropped due to queue length limitations
*/
void
-GNUNET_SERVER_notification_context_unicast (struct
- GNUNET_SERVER_NotificationContext
- *nc,
+GNUNET_SERVER_notification_context_unicast (struct GNUNET_SERVER_NotificationContext *nc,
struct GNUNET_SERVER_Client *client,
- const struct GNUNET_MessageHeader
- *msg, int can_drop)
+ const struct GNUNET_MessageHeader *msg,
+ int can_drop)
{
struct ClientList *pos;
*/
void
GNUNET_SERVER_notification_context_broadcast (struct
- GNUNET_SERVER_NotificationContext
- *nc,
- const struct GNUNET_MessageHeader
- *msg, int can_drop)
+ GNUNET_SERVER_NotificationContext *nc,
+ const struct GNUNET_MessageHeader *msg,
+ int can_drop)
{
struct ClientList *pos;
}
+/**
+ * Return active number of subscribers in this context.
+ *
+ * @param nc context to query
+ * @return number of current subscribers
+ */
+unsigned int
+GNUNET_SERVER_notification_context_get_size (struct GNUNET_SERVER_NotificationContext *nc)
+{
+ unsigned int num;
+ struct ClientList *pos;
+
+ num = 0;
+ for (pos = nc->clients_head; NULL != pos; pos = pos->next)
+ num++;
+ return num;
+}
+
/* end of server_nc.c */
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