#include "gnunet-service-transport_neighbours.h"
#include "gnunet-service-transport_plugins.h"
#include "gnunet-service-transport_validation.h"
+#include "gnunet-service-transport_manipulation.h"
#include "transport.h"
/* globals */
*/
struct GNUNET_PEERINFO_Handle *GST_peerinfo;
+/**
+ * Hostkey generation context
+ */
+struct GNUNET_CRYPTO_EccKeyGenerationContext *GST_keygen;
+
+/**
+ * Handle to our service's server.
+ */
+static struct GNUNET_SERVER_Handle *GST_server;
+
/**
* Our public key.
*/
-struct GNUNET_CRYPTO_RsaPublicKeyBinaryEncoded GST_my_public_key;
+struct GNUNET_CRYPTO_EccPublicKeyBinaryEncoded GST_my_public_key;
/**
* Our private key.
*/
-struct GNUNET_CRYPTO_RsaPrivateKey *GST_my_private_key;
+struct GNUNET_CRYPTO_EccPrivateKey *GST_my_private_key;
/**
* ATS handle.
*/
static int connections;
+/**
+ * Hello address expiration
+ */
+struct GNUNET_TIME_Relative hello_expiration;
+
/**
* Transmit our HELLO message to the given (connected) neighbour.
* @param ats performance information (unused)
* @param ats_count number of records in ats (unused)
* @param address the address
+ * @param bandwidth_in inbound quota in NBO
+ * @param bandwidth_out outbound quota in NBO
*/
static void
transmit_our_hello (void *cls, const struct GNUNET_PeerIdentity *target,
const struct GNUNET_ATS_Information *ats,
uint32_t ats_count,
- const struct GNUNET_HELLO_Address *address)
+ const struct GNUNET_HELLO_Address *address,
+ struct GNUNET_BANDWIDTH_Value32NBO bandwidth_in,
+ struct GNUNET_BANDWIDTH_Value32NBO bandwidth_out)
{
const struct GNUNET_MessageHeader *hello = cls;
GST_neighbours_send (target, (const char *) hello, ntohs (hello->size),
- GNUNET_CONSTANTS_HELLO_ADDRESS_EXPIRATION, NULL, NULL);
+ hello_expiration, NULL, NULL);
}
htonl ((uint32_t) GST_neighbour_get_latency (peer).rel_value);
memcpy (&ap[ats_count + 1], message, ntohs (message->size));
+ GNUNET_ATS_address_add (GST_ats, address, session, ap, ats_count + 1);
GNUNET_ATS_address_update (GST_ats, address, session, ap, ats_count + 1);
GST_clients_broadcast (&im->header, GNUNET_YES);
* @return how long the plugin should wait until receiving more data
* (plugins that do not support this, can ignore the return value)
*/
-static struct GNUNET_TIME_Relative
-plugin_env_receive_callback (void *cls, const struct GNUNET_PeerIdentity *peer,
+struct GNUNET_TIME_Relative
+GST_receive_callback (void *cls, const struct GNUNET_PeerIdentity *peer,
const struct GNUNET_MessageHeader *message,
const struct GNUNET_ATS_Information *ats,
uint32_t ats_count, struct Session *session,
* @param addr one of the addresses of the host
* the specific address format depends on the transport
* @param addrlen length of the address
+ * @param dest_plugin destination plugin to use this address with
*/
static void
plugin_env_address_change_notification (void *cls, int add_remove,
- const void *addr, size_t addrlen)
+ const void *addr, size_t addrlen,
+ const char *dest_plugin)
{
- const char *plugin_name = cls;
struct GNUNET_HELLO_Address address;
address.peer = GST_my_identity;
- address.transport_name = plugin_name;
+ address.transport_name = dest_plugin;
address.address = addr;
address.address_length = addrlen;
GST_hello_modify_addresses (add_remove, &address);
struct GNUNET_HELLO_Address address;
GNUNET_assert (strlen (transport_name) > 0);
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Session %X to peer `%s' ended \n",
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Session %p to peer `%s' ended \n",
session, GNUNET_i2s (peer));
if (NULL != session)
GNUNET_log_from (GNUNET_ERROR_TYPE_DEBUG | GNUNET_ERROR_TYPE_BULK,
address.address_length = 0;
address.transport_name = transport_name;
GST_neighbours_session_terminated (peer, session);
+
+ /* Tell ATS that session has ended */
GNUNET_ATS_address_destroyed (GST_ats, &address, session);
}
addrlen,
GNUNET_a2s(addr, addrlen));
GNUNET_break (0);
- return (const struct GNUNET_ATS_Information) ats;
+ return ats;
}
return GNUNET_ATS_address_get_type(GST_ats, addr, addrlen);
}
* @param peer the peer that connected
* @param ats performance data
* @param ats_count number of entries in ats
+ * @param bandwidth_in inbound bandwidth in NBO
+ * @param bandwidth_out outbound bandwidth in NBO
*/
static void
neighbours_connect_notification (void *cls,
const struct GNUNET_PeerIdentity *peer,
const struct GNUNET_ATS_Information *ats,
- uint32_t ats_count)
+ uint32_t ats_count,
+ struct GNUNET_BANDWIDTH_Value32NBO bandwidth_in,
+ struct GNUNET_BANDWIDTH_Value32NBO bandwidth_out)
{
size_t len =
sizeof (struct ConnectInfoMessage) +
connect_msg->header.type = htons (GNUNET_MESSAGE_TYPE_TRANSPORT_CONNECT);
connect_msg->ats_count = htonl (ats_count);
connect_msg->id = *peer;
+ connect_msg->quota_in = bandwidth_in;
+ connect_msg->quota_out = bandwidth_out;
ap = (struct GNUNET_ATS_Information *) &connect_msg[1];
memcpy (ap, ats, ats_count * sizeof (struct GNUNET_ATS_Information));
GST_clients_broadcast (&connect_msg->header, GNUNET_NO);
static void
shutdown_task (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
{
+ if (NULL != GST_keygen)
+ {
+ GNUNET_CRYPTO_ecc_key_create_stop (GST_keygen);
+ GST_keygen = NULL;
+ }
GST_neighbours_stop ();
GST_validation_stop ();
GST_plugins_unload ();
GST_clients_stop ();
GST_blacklist_stop ();
GST_hello_stop ();
+ GST_manipulation_stop ();
- if (GST_peerinfo != NULL)
+ if (NULL != GST_peerinfo)
{
GNUNET_PEERINFO_disconnect (GST_peerinfo);
GST_peerinfo = NULL;
}
- if (GST_stats != NULL)
+ if (NULL != GST_stats)
{
GNUNET_STATISTICS_destroy (GST_stats, GNUNET_NO);
GST_stats = NULL;
}
- if (GST_my_private_key != NULL)
+ if (NULL != GST_my_private_key)
{
- GNUNET_CRYPTO_rsa_key_free (GST_my_private_key);
+ GNUNET_CRYPTO_ecc_key_free (GST_my_private_key);
GST_my_private_key = NULL;
}
+ GST_server = NULL;
}
/**
- * Initiate transport service.
+ * Callback for hostkey read/generation
*
- * @param cls closure
- * @param server the initialized server
- * @param c configuration to use
+ * @param cls NULL
+ * @param pk the private key
+ * @param emsg error message
*/
static void
-run (void *cls, struct GNUNET_SERVER_Handle *server,
- const struct GNUNET_CONFIGURATION_Handle *c)
+key_generation_cb (void *cls,
+ struct GNUNET_CRYPTO_EccPrivateKey *pk,
+ const char *emsg)
{
- char *keyfile;
- struct GNUNET_CRYPTO_RsaPublicKeyBinaryEncoded tmp;
- /* setup globals */
- GST_cfg = c;
- if (GNUNET_OK !=
- GNUNET_CONFIGURATION_get_value_filename (c, "GNUNETD", "HOSTKEY",
- &keyfile))
+ long long unsigned int max_fd_cfg;
+ int max_fd_rlimit;
+ int max_fd;
+
+ GST_keygen = NULL;
+ if (NULL == pk)
{
GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
- _
- ("Transport service is lacking key configuration settings. Exiting.\n"));
+ _("Transport service could not access hostkey: %s. Exiting.\n"),
+ emsg);
GNUNET_SCHEDULER_shutdown ();
return;
}
- GST_my_private_key = GNUNET_CRYPTO_rsa_key_create_from_file (keyfile);
- GNUNET_free (keyfile);
- if (GST_my_private_key == NULL)
+ GST_my_private_key = pk;
+
+ GST_stats = GNUNET_STATISTICS_create ("transport", GST_cfg);
+ if (NULL == GST_stats)
{
GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
- _("Transport service could not access hostkey. Exiting.\n"));
+ _("Could not access STATISTICS service. Exiting.\n"));
GNUNET_SCHEDULER_shutdown ();
return;
}
- GST_stats = GNUNET_STATISTICS_create ("transport", c);
- GST_peerinfo = GNUNET_PEERINFO_connect (c);
- memset (&GST_my_public_key, '\0', sizeof (GST_my_public_key));
- memset (&tmp, '\0', sizeof (tmp));
- GNUNET_CRYPTO_rsa_key_get_public (GST_my_private_key, &GST_my_public_key);
+ GST_peerinfo = GNUNET_PEERINFO_connect (GST_cfg);
+ GNUNET_CRYPTO_ecc_key_get_public (GST_my_private_key, &GST_my_public_key);
GNUNET_CRYPTO_hash (&GST_my_public_key, sizeof (GST_my_public_key),
&GST_my_identity.hashPubKey);
-
GNUNET_assert (NULL != GST_my_private_key);
- GNUNET_assert (0 != memcmp (&GST_my_public_key, &tmp, sizeof (GST_my_public_key)));
GNUNET_SCHEDULER_add_delayed (GNUNET_TIME_UNIT_FOREVER_REL, &shutdown_task,
NULL);
- if (GST_peerinfo == NULL)
+ if (NULL == GST_peerinfo)
{
GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
_("Could not access PEERINFO service. Exiting.\n"));
return;
}
+ max_fd_rlimit = 0;
+ max_fd_cfg = 0;
+ max_fd = 0;
+#if HAVE_GETRLIMIT
+ struct rlimit r_file;
+ if (0 == getrlimit (RLIMIT_NOFILE, &r_file))
+ {
+ max_fd_rlimit = r_file.rlim_cur;
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "Maximum number of open files was: %u/%u\n", r_file.rlim_cur,
+ r_file.rlim_max);
+ }
+ max_fd_rlimit = (9 * max_fd_rlimit) / 10; /* Keep 10% for rest of transport */
+#endif
+ GNUNET_CONFIGURATION_get_value_number (GST_cfg, "transport", "MAX_FD", &max_fd_cfg);
+
+ if (max_fd_cfg > max_fd_rlimit)
+ max_fd = max_fd_cfg;
+ else
+ max_fd = max_fd_rlimit;
+ if (max_fd < DEFAULT_MAX_FDS)
+ max_fd = DEFAULT_MAX_FDS;
+
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "Limiting number of sockets to %u: validation %u, neighbors: %u\n",
+ max_fd, (max_fd / 3) , (max_fd / 3) * 2);
+
/* start subsystems */
GST_hello_start (&process_hello_update, NULL);
GNUNET_assert (NULL != GST_hello_get());
- GST_blacklist_start (server);
+ GST_blacklist_start (GST_server);
GST_ats =
GNUNET_ATS_scheduling_init (GST_cfg, &ats_request_address_change, NULL);
- GST_plugins_load (&plugin_env_receive_callback,
+ GST_manipulation_init ();
+ GST_plugins_load (&GST_manipulation_recv,
&plugin_env_address_change_notification,
&plugin_env_session_end,
&plugin_env_address_to_type);
GST_neighbours_start (NULL,
&neighbours_connect_notification,
&neighbours_disconnect_notification,
- &neighbours_address_notification);
- GST_clients_start (server);
- GST_validation_start ();
+ &neighbours_address_notification,
+ (max_fd / 3) * 2);
+ GST_clients_start (GST_server);
+ GST_validation_start ((max_fd / 3));
+ if (NULL != GST_server)
+ GNUNET_SERVER_resume (GST_server);
+}
+
+
+/**
+ * Initiate transport service.
+ *
+ * @param cls closure
+ * @param server the initialized server
+ * @param c configuration to use
+ */
+static void
+run (void *cls, struct GNUNET_SERVER_Handle *server,
+ const struct GNUNET_CONFIGURATION_Handle *c)
+{
+ char *keyfile;
+
+ /* setup globals */
+ GST_cfg = c;
+ if (GNUNET_OK !=
+ GNUNET_CONFIGURATION_get_value_filename (c, "PEER", "PRIVATE_KEY",
+ &keyfile))
+ {
+ GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
+ _
+ ("Transport service is lacking key configuration settings. Exiting.\n"));
+ GNUNET_SCHEDULER_shutdown ();
+ return;
+ }
+ if (GNUNET_OK !=
+ GNUNET_CONFIGURATION_get_value_time (c, "transport", "HELLO_EXPIRATION",
+ &hello_expiration))
+ {
+ hello_expiration = GNUNET_CONSTANTS_HELLO_ADDRESS_EXPIRATION;
+ }
+ GST_server = server;
+ GNUNET_SERVER_suspend (server);
+ GST_keygen = GNUNET_CRYPTO_ecc_key_create_start (keyfile, &key_generation_cb, NULL);
+ GNUNET_free (keyfile);
+ if (NULL == GST_keygen)
+ {
+ GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
+ _("Transport service is unable to access hostkey. Exiting.\n"));
+ GNUNET_SCHEDULER_shutdown ();
+ }
}