*/
#include "platform.h"
#include "gnunet-service-ats_addresses.h"
-
+#include "gnunet-service-ats_scheduling.h"
+#include "gnunet-service-ats_reservations.h"
struct ATS_Address
{
size_t addr_len;
+ struct GNUNET_SERVER_Client *session_client;
+
uint32_t session_id;
uint32_t ats_count;
- void * addr;
+ const void * addr;
char * plugin;
struct GNUNET_TRANSPORT_ATS_Information * ats;
+
+ struct GNUNET_BANDWIDTH_Value32NBO bw_in;
+
+ struct GNUNET_BANDWIDTH_Value32NBO bw_out;
+
};
static struct GNUNET_CONTAINER_MultiHashMap * addresses;
+static unsigned long long total_quota_in;
+
+static unsigned long long total_quota_out;
+
+static unsigned int active_addr_count;
+
struct CompareAddressContext
{
};
+static void
+destroy_address (struct ATS_Address *addr)
+{
+ GNUNET_assert (GNUNET_YES ==
+ GNUNET_CONTAINER_multihashmap_remove(addresses,
+ &addr->peer.hashPubKey,
+ addr));
+ if (ntohl (addr->bw_in.value__) > 0)
+ {
+ active_addr_count--;
+ // FIXME: update address assignment for other peers...
+ }
+ GNUNET_free_non_null (addr->ats);
+ GNUNET_free (addr->plugin);
+ GNUNET_free (addr);
+}
+
+
static int
compare_address_it (void *cls,
const GNUNET_HashCode * key,
{
struct CompareAddressContext * cac = cls;
struct ATS_Address * aa = (struct ATS_Address *) value;
+
+ /* compare sessions */
+ if ((aa->session_client != cac->search->session_client) ||
+ (aa->session_id != cac->search->session_id))
+ return GNUNET_YES;
+
+ if (aa->addr_len != cac->search->addr_len)
+ {
+ return GNUNET_YES;
+ }
+
if (0 == strcmp(aa->plugin, cac->search->plugin))
{
- if ((aa->addr_len == cac->search->addr_len) &&
- (0 == memcmp (aa->addr, cac->search->addr, aa->addr_len)))
- cac->result = aa;
+ return GNUNET_YES;
+ }
+
+ if (0 == memcmp (aa->addr, cac->search->addr, aa->addr_len))
+ {
+ cac->result = aa;
return GNUNET_NO;
}
return GNUNET_YES;
}
+struct ATS_Address *
+find_address (const struct GNUNET_PeerIdentity *peer,
+ struct ATS_Address * addr)
+{
+ struct CompareAddressContext cac;
+ cac.result = NULL;
+ cac.search = addr;
+
+ GNUNET_CONTAINER_multihashmap_get_multiple(addresses,
+ &peer->hashPubKey,
+ compare_address_it,
+ &cac);
+
+ return cac.result;
+}
+
+
void
GAS_address_update (const struct GNUNET_PeerIdentity *peer,
const char *plugin_name,
uint32_t atsi_count)
{
struct ATS_Address * aa;
+ struct ATS_Address * old;
- /* FIXME: should test first if address already exists! */
- aa = GNUNET_malloc (sizeof (struct ATS_Address) +
- atsi_count * sizeof (struct GNUNET_TRANSPORT_ATS_Information) +
- plugin_addr_len);
+ aa = GNUNET_malloc (sizeof (struct ATS_Address) + plugin_addr_len);
+ aa->ats = GNUNET_malloc(atsi_count * sizeof (struct GNUNET_TRANSPORT_ATS_Information));
aa->peer = *peer;
aa->addr_len = plugin_addr_len;
aa->ats_count = atsi_count;
- aa->ats = (struct GNUNET_TRANSPORT_ATS_Information *) &aa[1];
- memcpy (&aa->ats, atsi, atsi_count * sizeof (struct GNUNET_TRANSPORT_ATS_Information));
- memcpy (aa->addr, plugin_addr, plugin_addr_len);
+ memcpy (aa->ats, atsi, atsi_count * sizeof (struct GNUNET_TRANSPORT_ATS_Information));
+ aa->addr = &aa[1];
+ memcpy (&aa[1], plugin_addr, plugin_addr_len);
aa->plugin = GNUNET_strdup (plugin_name);
+ aa->session_client = session_client;
aa->session_id = session_id;
+ old = find_address (peer, aa);
+ if (old == NULL)
+ {
+ GNUNET_assert (GNUNET_OK ==
+ GNUNET_CONTAINER_multihashmap_put (addresses,
+ &peer->hashPubKey,
+ aa,
+ GNUNET_CONTAINER_MULTIHASHMAPOPTION_MULTIPLE));
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "Added new address for peer `%s' %X\n",
+ GNUNET_i2s (peer), aa);
+ return;
+ }
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "Updated existing address for peer `%s' %X \n",
+ GNUNET_i2s (peer), old);
+ GNUNET_free_non_null (old->ats);
+ old->ats = NULL;
+ old->ats_count = 0;
+ old->ats = aa->ats;
+ old->ats_count = aa->ats_count;
+ GNUNET_free (aa->plugin);
+ GNUNET_free (aa);
+}
+
+
+static int
+remove_address_by_client (void *cls,
+ const GNUNET_HashCode * key,
+ void *value)
+{
+ struct GNUNET_SERVER_Client *client = cls;
+ struct ATS_Address * aa = value;
- GNUNET_assert (GNUNET_OK ==
- GNUNET_CONTAINER_multihashmap_put(addresses,
- &peer->hashPubKey,
- aa,
- GNUNET_CONTAINER_MULTIHASHMAPOPTION_MULTIPLE));
+ if (aa->session_client == client)
+ destroy_address (aa);
+ return GNUNET_OK;
+}
+
+
+void
+GAS_address_client_disconnected (struct GNUNET_SERVER_Client *client)
+{
+ if (addresses != NULL)
+ GNUNET_CONTAINER_multihashmap_iterate(addresses,
+ &remove_address_by_client, client);
}
struct GNUNET_SERVER_Client *session_client,
uint32_t session_id)
{
-#if 0
- struct ATS_Address * aa;
- aa = find_address (peer, plugin_name, plugin_addr, plugin_addr_len,
- session_client, session_id);
- GNUNET_break (GNUNET_YES ==
- GNUNET_CONTAINER_multihashmap_remove(addresses, &peer->hashPubKey, aa));
- GNUNET_free (aa);
-#endif
+ struct ATS_Address aa;
+ struct ATS_Address *res;
+
+ aa.peer = *peer;
+ aa.addr_len = plugin_addr_len;
+ aa.addr = plugin_addr;
+ aa.plugin = (char*) plugin_name;
+ aa.session_client = session_client;
+ aa.session_id = session_id;
+
+ res = find_address (peer, &aa);
+ if (res == NULL)
+ {
+ /* we don't even know this one, can this happen? */
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "Asked to delete unknown address for peer `%s'\n",
+ GNUNET_i2s (peer));
+ return;
+ }
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "Deleting address for peer `%s': `%s'\n",
+ GNUNET_i2s (peer), plugin_name);
+ destroy_address (res);
}
void
GAS_addresses_request_address (const struct GNUNET_PeerIdentity *peer)
{
+ struct ATS_Address * aa;
+
+ aa = GNUNET_CONTAINER_multihashmap_get (addresses, &peer->hashPubKey);
+ if (aa == NULL)
+ {
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "Cannot suggest address for peer `%s'\n",
+ GNUNET_i2s (peer));
+ return;
+ }
+ /* FIXME: ensure that we don't do this multiple times per peer! */
+ if (ntohl (aa->bw_in.value__) == 0)
+ {
+ active_addr_count++;
+ aa->bw_in.value__ = htonl (total_quota_in / active_addr_count);
+ aa->bw_out.value__ = htonl (total_quota_out / active_addr_count);
+ /* FIXME: update bw assignments for other addresses... */
+ }
+ GAS_reservations_set_bandwidth (peer,
+ aa->bw_in);
+ GAS_scheduling_transmit_address_suggestion (peer, aa->plugin,
+ aa->addr, aa->addr_len,
+ aa->session_client, aa->session_id,
+ aa->ats, aa->ats_count,
+ aa->bw_out, aa->bw_in);
}
/**
* Initialize address subsystem.
+ *
+ * @param cfg configuration to use
*/
void
-GAS_addresses_init ()
+GAS_addresses_init (const struct GNUNET_CONFIGURATION_Handle *cfg)
{
+ GNUNET_assert (GNUNET_OK ==
+ GNUNET_CONFIGURATION_get_value_number (cfg,
+ "core",
+ "TOTAL_QUOTA_IN",
+ &total_quota_in));
+ GNUNET_assert (GNUNET_OK ==
+ GNUNET_CONFIGURATION_get_value_number (cfg,
+ "core",
+ "TOTAL_QUOTA_OUT",
+ &total_quota_out));
addresses = GNUNET_CONTAINER_multihashmap_create(128);
}
const GNUNET_HashCode * key,
void *value)
{
- struct ATS_Address * aa = cls;
- GNUNET_free (aa);
+ struct ATS_Address * aa = value;
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "Freeing address for peer `%s' %X\n",
+ GNUNET_i2s (&aa->peer), aa);
+ GNUNET_CONTAINER_multihashmap_remove (addresses, key, value);
+ destroy_address (aa);
return GNUNET_OK;
}
{
GNUNET_CONTAINER_multihashmap_iterate (addresses, &free_address_it, NULL);
GNUNET_CONTAINER_multihashmap_destroy (addresses);
+ addresses = NULL;
}