*/
/**
- * @file transport/gnunet-service-transport-new.c
+ * @file transport/gnunet-service-transport.c
* @brief
* @author Christian Grothoff
*/
#include "platform.h"
#include "gnunet_util_lib.h"
+#include "gnunet_hello_lib.h"
#include "gnunet_statistics_service.h"
#include "gnunet_transport_service.h"
#include "gnunet_peerinfo_service.h"
* @param target a connected neighbour
* @param ats performance information (unused)
* @param ats_count number of records in ats (unused)
- * @param transport plugin
- * @param addr address
- * @param addrlen address length
+ * @param address the address
*/
static void
transmit_our_hello (void *cls, const struct GNUNET_PeerIdentity *target,
const struct GNUNET_ATS_Information *ats,
uint32_t ats_count,
- const char * transport,
- const void * addr,
- size_t addrlen)
+ const struct GNUNET_HELLO_Address *address)
{
const struct GNUNET_MessageHeader *hello = cls;
}
-/**
- * Try to initiate a connection to the given peer if the blacklist
- * allowed it.
- *
- * @param cls closure (unused, NULL)
- * @param peer identity of peer that was tested
- * @param result GNUNET_OK if the connection is allowed,
- * GNUNET_NO if not
- */
-static void
-try_connect_if_allowed (void *cls, const struct GNUNET_PeerIdentity *peer,
- int result)
-{
- if (GNUNET_OK != result)
- return; /* not allowed */
- GST_neighbours_try_connect (peer);
-}
-
/**
- * We received some payload. Prepare to pass it on to our clients.
+ * We received some payload. Prepare to pass it on to our clients.
*
* @param peer (claimed) identity of the other peer
- * @param message the message, NULL if we only care about
- * learning about the delay until we should receive again -- FIXME!
+ * @param address the address
+ * @param session session used
+ * @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
*/
static struct GNUNET_TIME_Relative
process_payload (const struct GNUNET_PeerIdentity *peer,
- const struct GNUNET_MessageHeader *message,
- const struct GNUNET_ATS_Information *ats,
- uint32_t ats_count)
+ const struct GNUNET_HELLO_Address *address,
+ struct Session *session,
+ const struct GNUNET_MessageHeader *message,
+ const struct GNUNET_ATS_Information *ats, uint32_t ats_count)
{
struct GNUNET_TIME_Relative ret;
int do_forward;
struct InboundMessage *im;
- size_t size = sizeof (struct InboundMessage) + ntohs (message->size);
+ size_t msg_size = ntohs (message->size);
+ size_t size =
+ sizeof (struct InboundMessage) + msg_size +
+ sizeof (struct GNUNET_ATS_Information) * (ats_count + 1);
char buf[size];
-
+ struct GNUNET_ATS_Information *ap;
+
ret = GNUNET_TIME_UNIT_ZERO;
do_forward = GNUNET_SYSERR;
- ret =
- GST_neighbours_calculate_receive_delay (peer,
- (message ==
- NULL) ? 0 :
- ntohs (message->size),
- &do_forward);
- im = (struct InboundMessage*) buf;
+ ret = GST_neighbours_calculate_receive_delay (peer, msg_size, &do_forward);
+
+ if (!GST_neighbours_test_connected (peer))
+ {
+
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "Discarded %u bytes type %u payload from peer `%s'\n", msg_size,
+ ntohs (message->type), GNUNET_i2s (peer));
+
+ GNUNET_STATISTICS_update (GST_stats,
+ gettext_noop
+ ("# bytes payload discarded due to not connected peer "),
+ msg_size, GNUNET_NO);
+ return ret;
+ }
+
+ if (do_forward != GNUNET_YES)
+ return ret;
+ im = (struct InboundMessage *) buf;
im->header.size = htons (size);
im->header.type = htons (GNUNET_MESSAGE_TYPE_TRANSPORT_RECV);
- im->ats_count = htonl (0);
- memcpy (&(im->peer), peer, sizeof (struct GNUNET_PeerIdentity));
- memcpy (&im[1], message, ntohs (message->size));
+ im->ats_count = htonl (ats_count + 1);
+ im->peer = *peer;
+ ap = (struct GNUNET_ATS_Information *) &im[1];
+ memcpy (ap, ats, ats_count * sizeof (struct GNUNET_ATS_Information));
+ ap[ats_count].type = htonl (GNUNET_ATS_QUALITY_NET_DELAY);
+ ap[ats_count].value =
+ htonl ((uint32_t) GST_neighbour_get_latency (peer).rel_value);
+ memcpy (&ap[ats_count + 1], message, ntohs (message->size));
+
+ GNUNET_ATS_address_update (GST_ats, address, session, ap, ats_count + 1);
+ GST_clients_broadcast (&im->header, GNUNET_YES);
- switch (do_forward)
- {
- case GNUNET_YES:
- GST_clients_broadcast (&im->header, GNUNET_YES);
- break;
- case GNUNET_NO:
- GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
- _("Discarded %u bytes of type %u from %s: quota violated!\n"),
- ntohs (message->size),
- ntohs (message->type),
- GNUNET_i2s (peer));
- break;
- case GNUNET_SYSERR:
- GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
- _("Discarded %u bytes of type %u from %s: connection is down!\n"),
- ntohs (message->size),
- ntohs (message->type),
- GNUNET_i2s (peer));
- /* FIXME: store until connection is up? This is virtually always a SETKEY and a PING... */
- break;
- default:
- GNUNET_break (0);
- break;
- }
return ret;
}
{
const char *plugin_name = cls;
struct GNUNET_TIME_Relative ret;
+ struct GNUNET_HELLO_Address address;
uint16_t type;
-
+
+ address.peer = *peer;
+ address.address = sender_address;
+ address.address_length = sender_address_len;
+ address.transport_name = plugin_name;
ret = GNUNET_TIME_UNIT_ZERO;
if (NULL == message)
goto end;
type = ntohs (message->type);
+#if DEBUG_TRANSPORT
+
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Received Message with type %u\n", type);
+#endif
+
switch (type)
{
case GNUNET_MESSAGE_TYPE_HELLO:
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 (plugin_name,
- sender_address,
- sender_address_len)
- : "<inbound>");
+ "Processing `%s' from `%s'\n", "PING",
+ (sender_address !=
+ NULL) ? GST_plugins_a2s (&address) : "<inbound>");
#endif
- GST_validation_handle_ping (peer, message, plugin_name, session,
- sender_address, sender_address_len);
+ 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 (plugin_name,
- sender_address,
- sender_address_len)
- : "<inbound>");
+ "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:
- GST_neighbours_handle_connect (message,
- peer,
- plugin_name, sender_address, sender_address_len,
- session, ats, ats_count);
- (void) GST_blacklist_test_allowed (peer, NULL, &try_connect_if_allowed,
- NULL);
+ GST_neighbours_handle_connect (message, peer, &address, session, ats,
+ ats_count);
+ break;
+ case GNUNET_MESSAGE_TYPE_TRANSPORT_SESSION_CONNECT_ACK:
+ GST_neighbours_handle_connect_ack (message, peer, &address, session, ats,
+ ats_count);
+ break;
+ case GNUNET_MESSAGE_TYPE_TRANSPORT_SESSION_ACK:
+ GST_neighbours_handle_ack (message, peer, &address, session, ats,
+ ats_count);
break;
case GNUNET_MESSAGE_TYPE_TRANSPORT_SESSION_DISCONNECT:
- /* FIXME: do some validation to prevent an attacker from sending
- * a fake disconnect message... */
- GST_neighbours_force_disconnect (peer);
+ GST_neighbours_handle_disconnect_message (peer, message);
break;
case GNUNET_MESSAGE_TYPE_TRANSPORT_SESSION_KEEPALIVE:
GST_neighbours_keepalive (peer);
break;
+ case GNUNET_MESSAGE_TYPE_TRANSPORT_SESSION_KEEPALIVE_RESPONSE:
+ GST_neighbours_keepalive_response (peer, ats, ats_count);
+ break;
default:
/* should be payload */
- process_payload (peer,
- message,
- ats, ats_count);
+ ret = process_payload (peer, &address, session, message, ats, ats_count);
break;
}
- end:
+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 */
- if ((ats_count > 0) && (ats != NULL))
- {
- if (NULL != session)
- GNUNET_log_from (GNUNET_ERROR_TYPE_INFO,
- "transport-ats",
- "Giving ATS session %p of plugin %s for peer %s\n",
- session,
- plugin_name,
- GNUNET_i2s (peer));
- GNUNET_ATS_address_update (GST_ats, peer,
- plugin_name, sender_address, sender_address_len,
- session,
- ats, ats_count);
- }
+ * 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;
}
const void *addr, size_t addrlen)
{
const char *plugin_name = cls;
+ struct GNUNET_HELLO_Address address;
- GST_hello_modify_addresses (add_remove, plugin_name, addr, addrlen);
+ address.peer = GST_my_identity;
+ address.transport_name = plugin_name;
+ address.address = addr;
+ address.address_length = addrlen;
+ GST_hello_modify_addresses (add_remove, &address);
}
plugin_env_session_end (void *cls, const struct GNUNET_PeerIdentity *peer,
struct Session *session)
{
+ const char *transport_name = cls;
+ 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 %X to peer `%s' ended \n",
session, GNUNET_i2s (peer));
#endif
if (NULL != session)
- GNUNET_log_from (GNUNET_ERROR_TYPE_INFO,
- "transport-ats",
- "Telling ATS to destroy session %p from peer %s\n",
- session,
- GNUNET_i2s (peer));
- GNUNET_ATS_address_destroyed(GST_ats, peer, NULL, NULL, 0, session);
+ GNUNET_log_from (GNUNET_ERROR_TYPE_INFO | GNUNET_ERROR_TYPE_BULK,
+ "transport-ats",
+ "Telling ATS to destroy session %p from peer %s\n",
+ session, GNUNET_i2s (peer));
+ address.peer = *peer;
+ address.address = NULL;
+ address.address_length = 0;
+ address.transport_name = transport_name;
GST_neighbours_session_terminated (peer, session);
+ GNUNET_ATS_address_destroyed (GST_ats, &address, session);
+}
+
+
+/**
+ * Function that will be called to figure if an address is an loopback,
+ * LAN, WAN etc. address
+ *
+ * @param cls closure
+ * @param addr binary address
+ * @param addrlen length of the address
+ * @return ATS Information containing the network type
+ */
+static const struct GNUNET_ATS_Information
+plugin_env_address_to_type (void *cls,
+ const struct sockaddr *addr,
+ size_t addrlen)
+{
+ struct GNUNET_ATS_Information ats;
+ ats.type = htonl (GNUNET_ATS_NETWORK_TYPE);
+ ats.value = htonl (GNUNET_ATS_NET_UNSPECIFIED);
+ if (GST_ats == NULL)
+ {
+ GNUNET_break (0);
+ return ats;
+ }
+ 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,
+ GNUNET_a2s(addr, addrlen));
+ GNUNET_break (0);
+ return (const struct GNUNET_ATS_Information) ats;
+ }
+ return GNUNET_ATS_address_get_type(GST_ats, addr, addrlen);
}
* actually happened.
*
* @param cls closure
- * @param peer identity of the peer
- * @param plugin_name name of the transport plugin, NULL to disconnect
+ * @param address address to use (for peer given in address)
* @param session session to use (if available)
- * @param plugin_addr address to use (if available)
- * @param plugin_addr_len number of bytes in addr
* @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 ats_count number of ATS elements
*/
static void
-ats_request_address_change (void *cls, const struct GNUNET_PeerIdentity *peer,
- const char *plugin_name,
- const void *plugin_addr, size_t plugin_addr_len,
+ats_request_address_change (void *cls,
+ const struct GNUNET_HELLO_Address *address,
struct Session *session,
struct GNUNET_BANDWIDTH_Value32NBO bandwidth_out,
struct GNUNET_BANDWIDTH_Value32NBO bandwidth_in,
- const struct GNUNET_ATS_Information * ats,
+ const struct GNUNET_ATS_Information *ats,
uint32_t ats_count)
{
uint32_t bw_in = ntohl (bandwidth_in.value__);
uint32_t bw_out = ntohl (bandwidth_out.value__);
- /* ATS tells me to disconnect from peer*/
+ /* ATS tells me to disconnect from peer */
if ((bw_in == 0) && (bw_out == 0))
{
- GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "ATS tells me to disconnect from peer `%s'\n",
- GNUNET_i2s (peer));
- GST_neighbours_force_disconnect(peer);
- return;
- }
-
- GST_neighbours_switch_to_address (peer, plugin_name, plugin_addr,
- plugin_addr_len, session, ats, ats_count);
-
#if DEBUG_TRANSPORT
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Sending outbound quota of %u Bps for peer `%s' to all clients\n",
- ntohl (bandwidth_out.value__), GNUNET_i2s (peer));
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "ATS tells me to disconnect from peer `%s'\n",
+ GNUNET_i2s (&address->peer));
#endif
- struct QuotaSetMessage msg;
- msg.header.size = htons (sizeof (struct QuotaSetMessage));
- msg.header.type = htons (GNUNET_MESSAGE_TYPE_TRANSPORT_SET_QUOTA);
- msg.quota = bandwidth_out;
- msg.peer = (*peer);
- GST_clients_broadcast ((struct GNUNET_MessageHeader *) &msg, GNUNET_NO);
-
-#if DEBUG_TRANSPORT
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Setting inbound quota of %u for peer `%s' to \n",
- ntohl (bandwidth_in.value__), GNUNET_i2s (peer));
-#endif
- GST_neighbours_set_incoming_quota (peer, bandwidth_in);
+ GST_neighbours_force_disconnect (&address->peer);
+ return;
+ }
+ /* will never return GNUNET_YES since connection is to be established */
+ GST_neighbours_switch_to_address (&address->peer, address, session, ats,
+ ats_count, bandwidth_in,
+ bandwidth_out);
}
static void
neighbours_connect_notification (void *cls,
const struct GNUNET_PeerIdentity *peer,
- const struct GNUNET_ATS_Information
- *ats, uint32_t ats_count)
+ const struct GNUNET_ATS_Information *ats,
+ uint32_t ats_count)
{
- char buf[sizeof (struct ConnectInfoMessage) +
- ats_count * sizeof (struct GNUNET_ATS_Information)];
+ size_t len =
+ sizeof (struct ConnectInfoMessage) +
+ ats_count * sizeof (struct GNUNET_ATS_Information);
+ char buf[len];
struct ConnectInfoMessage *connect_msg = (struct ConnectInfoMessage *) buf;
+ struct GNUNET_ATS_Information *ap;
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;
- memcpy (&connect_msg->ats, &connect_msg->ats,
- ats_count * sizeof (struct GNUNET_ATS_Information));
+ 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);
}
}
+/**
+ * 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)
{
+ GST_neighbours_stop ();
GST_validation_stop ();
GST_plugins_unload ();
- GST_neighbours_stop ();
+
GNUNET_ATS_scheduling_done (GST_ats);
GST_ats = NULL;
GST_clients_stop ();
/* start subsystems */
GST_hello_start (&process_hello_update, NULL);
GST_blacklist_start (server);
+ GST_ats =
+ GNUNET_ATS_scheduling_init (GST_cfg, &ats_request_address_change, NULL);
GST_plugins_load (&plugin_env_receive_callback,
&plugin_env_address_change_notification,
- &plugin_env_session_end);
- GST_ats = GNUNET_ATS_scheduling_init (GST_cfg, &ats_request_address_change, NULL);
- GST_neighbours_start (NULL, &neighbours_connect_notification,
- &neighbours_disconnect_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 ();
}
projects / oweals / gnunet.git / blobdiff