#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.
*/
struct GNUNET_ATS_SchedulingHandle *GST_ats;
+/**
+ * DEBUGGING connection counter
+ */
+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);
}
* @param peer (claimed) identity of the other peer
* @param address the address
* @param session session used
- * @param msg the message to process
+ * @param message the message to process
* @param ats performance information
* @param ats_count number of records in ats
* @return how long the plugin should wait until receiving more data
size_t size =
sizeof (struct InboundMessage) + msg_size +
sizeof (struct GNUNET_ATS_Information) * (ats_count + 1);
- char buf[size];
+ char buf[size] GNUNET_ALIGN;
struct GNUNET_ATS_Information *ap;
ret = GNUNET_TIME_UNIT_ZERO;
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,
if (NULL == message)
goto end;
type = ntohs (message->type);
-#if DEBUG_TRANSPORT
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Received Message with type %u from peer `%s'\n", type, GNUNET_i2s (peer));
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Received Message with type %u\n", type);
-#endif
+ GNUNET_STATISTICS_update (GST_stats,
+ gettext_noop
+ ("# bytes total received"),
+ ntohs (message->size), GNUNET_NO);
switch (type)
{
GST_validation_handle_hello (message);
return ret;
case GNUNET_MESSAGE_TYPE_TRANSPORT_PING:
-#if DEBUG_TRANSPORT
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG | GNUNET_ERROR_TYPE_BULK,
"Processing `%s' from `%s'\n", "PING",
(sender_address !=
NULL) ? GST_plugins_a2s (&address) : "<inbound>");
-#endif
GST_validation_handle_ping (peer, message, &address, session);
break;
case GNUNET_MESSAGE_TYPE_TRANSPORT_PONG:
-#if DEBUG_TRANSPORT
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG | GNUNET_ERROR_TYPE_BULK,
"Processing `%s' from `%s'\n", "PONG",
(sender_address !=
NULL) ? GST_plugins_a2s (&address) : "<inbound>");
-#endif
GST_validation_handle_pong (peer, message);
break;
case GNUNET_MESSAGE_TYPE_TRANSPORT_SESSION_CONNECT:
ats_count);
break;
case GNUNET_MESSAGE_TYPE_TRANSPORT_SESSION_ACK:
- GST_neighbours_handle_ack (message, peer, &address, session, ats,
- ats_count);
+ GST_neighbours_handle_session_ack (message, peer, &address, session, ats,
+ ats_count);
break;
case GNUNET_MESSAGE_TYPE_TRANSPORT_SESSION_DISCONNECT:
GST_neighbours_handle_disconnect_message (peer, message);
break;
default:
/* should be payload */
+ GNUNET_STATISTICS_update (GST_stats,
+ gettext_noop
+ ("# bytes payload received"),
+ ntohs (message->size), GNUNET_NO);
ret = process_payload (peer, &address, session, message, ats, ats_count);
break;
}
end:
-#if 1
- /* FIXME: this should not be needed, and not sure it's good to have it, but without
- * this connections seem to go extra-slow */
- GNUNET_ATS_address_update (GST_ats, &address, session, ats, ats_count);
-#endif
-#if DEBUG_TRANSPORT
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
"Allowing receive from peer %s to continue in %llu ms\n",
GNUNET_i2s (peer), (unsigned long long) ret.rel_value);
-#endif
return ret;
}
* @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);
-#if DEBUG_TRANSPORT
- 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));
-#endif
if (NULL != session)
- GNUNET_log_from (GNUNET_ERROR_TYPE_INFO | GNUNET_ERROR_TYPE_BULK,
+ GNUNET_log_from (GNUNET_ERROR_TYPE_DEBUG | GNUNET_ERROR_TYPE_BULK,
"transport-ats",
"Telling ATS to destroy session %p from peer %s\n",
session, GNUNET_i2s (peer));
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);
}
* @param addrlen length of the address
* @return ATS Information containing the network type
*/
-static const struct GNUNET_ATS_Information
+static struct GNUNET_ATS_Information
plugin_env_address_to_type (void *cls,
const struct sockaddr *addr,
size_t addrlen)
GNUNET_break (0);
return ats;
}
- if ((addrlen != sizeof (struct sockaddr_in)) && (addrlen != sizeof (struct sockaddr_in6)))
+ if (((addr->sa_family != AF_INET) && (addrlen != sizeof (struct sockaddr_in))) &&
+ ((addr->sa_family != AF_INET6) && (addrlen != sizeof (struct sockaddr_in6))) &&
+ (addr->sa_family != AF_UNIX))
{
GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "Malformed address with length %u `%s'\n",
addrlen,
* @param bandwidth_out assigned outbound bandwidth for the connection, 0 to disconnect from peer
* @param bandwidth_in assigned inbound bandwidth for the connection, 0 to disconnect from peer
* @param ats ATS information
- * @param number of ATS elements
+ * @param ats_count number of ATS elements
*/
static void
ats_request_address_change (void *cls,
/* ATS tells me to disconnect from peer */
if ((bw_in == 0) && (bw_out == 0))
{
-#if DEBUG_TRANSPORT
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
"ATS tells me to disconnect from peer `%s'\n",
GNUNET_i2s (&address->peer));
-#endif
GST_neighbours_force_disconnect (&address->peer);
return;
}
- /* will never return GNUNET_YES since connection is to be established */
- GST_neighbours_switch_to_address_3way (&address->peer, address, session, ats,
+ GST_neighbours_switch_to_address (&address->peer, address, session, ats,
ats_count, bandwidth_in,
bandwidth_out);
}
* @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) +
ats_count * sizeof (struct GNUNET_ATS_Information);
- char buf[len];
+ char buf[len] GNUNET_ALIGN;
struct ConnectInfoMessage *connect_msg = (struct ConnectInfoMessage *) buf;
struct GNUNET_ATS_Information *ap;
+ connections++;
+ GNUNET_log (GNUNET_ERROR_TYPE_INFO,
+ "We are now connected to peer `%s' and %u peers in total\n",
+ GNUNET_i2s (peer), connections);
+
connect_msg->header.size = htons (sizeof (buf));
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);
{
struct DisconnectInfoMessage disconnect_msg;
+ connections--;
+ GNUNET_log (GNUNET_ERROR_TYPE_INFO,
+ "Peer `%s' disconnected and we are connected to %u peers\n",
+ GNUNET_i2s (peer), connections);
+
disconnect_msg.header.size = htons (sizeof (struct DisconnectInfoMessage));
disconnect_msg.header.type = htons (GNUNET_MESSAGE_TYPE_TRANSPORT_DISCONNECT);
disconnect_msg.reserved = htonl (0);
}
+/**
+ * Function called to notify transport users that a neighbour peer changed its
+ * active address.
+ *
+ * @param cls closure
+ * @param peer peer this update is about (never NULL)
+ * @param address address, NULL on disconnect
+ */
+static void
+neighbours_address_notification (void *cls,
+ const struct GNUNET_PeerIdentity *peer,
+ const struct GNUNET_HELLO_Address *address)
+{
+ GST_clients_broadcast_address_notification (peer, address);
+}
+
+
/**
* Function called when the service shuts down. Unloads our plugins
* and cancels pending validations.
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;
+ long long unsigned int max_fd_cfg;
+ int max_fd_rlimit;
+ int max_fd;
- /* setup globals */
- GST_cfg = c;
- if (GNUNET_OK !=
- GNUNET_CONFIGURATION_get_value_filename (c, "GNUNETD", "HOSTKEY",
- &keyfile))
+ 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);
- 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_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);
- GST_blacklist_start (server);
+ GNUNET_assert (NULL != GST_hello_get());
+ 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);
- GST_clients_start (server);
- GST_validation_start ();
+ GST_neighbours_start (NULL,
+ &neighbours_connect_notification,
+ &neighbours_disconnect_notification,
+ &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 ();
+ }
}
GNUNET_SERVICE_OPTION_NONE, &run, NULL)) ? 0 : 1;
}
-/* end of file gnunet-service-transport-new.c */
+/* end of file gnunet-service-transport.c */