#include "gnunet_protocols.h"
#include "gnunet_resolver_service.h"
#include "gnunet_signatures.h"
+#include "gnunet_constants.h"
#include "gnunet_statistics_service.h"
#include "gnunet_transport_service.h"
#include "gnunet_transport_plugin.h"
#include "transport.h"
-#define DEBUG_UDP GNUNET_NO
+#define LOG(kind,...) GNUNET_log_from (kind, "transport-udp", __VA_ARGS__)
+
+
+#define DEBUG_UDP GNUNET_EXTRA_LOGGING
/**
* MTU for fragmentation subsystem. Should be conservative since
};
+/**
+ * UDP ACK Message-Packet header (after defragmentation).
+ */
+struct UDP_ACK_Message
+{
+ /**
+ * Message header.
+ */
+ struct GNUNET_MessageHeader header;
+
+ /**
+ * Desired delay for flow control
+ */
+ uint32_t delay;
+
+ /**
+ * What is the identity of the sender
+ */
+ struct GNUNET_PeerIdentity sender;
+};
+
+
/**
* Network format for IPv4 addresses.
*/
/**
- * Session with another peer.
+ * Session with another peer. FIXME: why not make this into
+ * a regular 'struct Session' and pass it around!?
*/
-struct PeerSession
+struct Session
{
/**
*/
const struct sockaddr *sock_addr;
+ size_t addrlen;
+
/**
* Function to call upon completion of the transmission.
*/
*/
struct GNUNET_FRAGMENT_Context *frag;
+ struct GNUNET_TIME_Absolute valid_until;
+
+ GNUNET_SCHEDULER_TaskIdentifier invalidation_task;
+
+ GNUNET_SCHEDULER_TaskIdentifier delayed_cont_task;
+
+ /**
+ * Desired delay for next sending we send to other peer
+ */
+ struct GNUNET_TIME_Relative flow_delay_for_other_peer;
+
+ /**
+ * Desired delay for next sending we received from other peer
+ */
+ struct GNUNET_TIME_Absolute flow_delay_from_other_peer;
};
/**
* Data structure to track defragmentation contexts based
- * on the source of the UDP traffic.
+ * on the source of the UDP traffic.
*/
struct ReceiveContext
{
/**
* Node in the defrag heap.
- */
+ */
struct GNUNET_CONTAINER_HeapNode *hnode;
/**
*/
size_t addr_len;
+ struct GNUNET_PeerIdentity id;
+
};
*/
struct GNUNET_CONTAINER_MultiHashMap *sessions;
+ /**
+ * Session of peers with whom we are currently connected,
+ * map of peer identity to 'struct PeerSession'.
+ */
+ struct GNUNET_CONTAINER_MultiHashMap *inbound_sessions;
+
/**
* Heap with all of our defragmentation activities.
*/
struct GNUNET_NETWORK_Handle *sockv6;
/**
- * expected delay for ACKs
+ * expected delay for ACKs
*/
struct GNUNET_TIME_Relative last_expected_delay;
};
+struct PeerSessionIteratorContext
+{
+ struct Session * result;
+ const void * addr;
+ size_t addrlen;
+};
+
+
+/**
+ * Lookup the session for the given peer.
+ *
+ * @param plugin the plugin
+ * @param peer peer's identity
+ * @return NULL if we have no session
+ */
+static struct Session *
+find_session (struct Plugin *plugin, const struct GNUNET_PeerIdentity *peer)
+{
+ return GNUNET_CONTAINER_multihashmap_get (plugin->sessions,
+ &peer->hashPubKey);
+}
+
+
+static int
+inbound_session_iterator (void *cls,
+ const GNUNET_HashCode * key,
+ void *value)
+{
+ struct PeerSessionIteratorContext *psc = cls;
+ struct Session *s = value;
+ if (s->addrlen == psc->addrlen)
+ {
+ if (0 == memcmp (&s[1], psc->addr, s->addrlen))
+ psc->result = s;
+ }
+ if (psc->result != NULL)
+ return GNUNET_NO;
+ return GNUNET_YES;
+}
+
/**
* Lookup the session for the given peer.
* @param peer peer's identity
* @return NULL if we have no session
*/
-struct PeerSession *
-find_session (struct Plugin *plugin,
- const struct GNUNET_PeerIdentity *peer)
+static struct Session *
+find_inbound_session (struct Plugin *plugin,
+ const struct GNUNET_PeerIdentity *peer,
+ const void * addr, size_t addrlen)
+{
+ struct PeerSessionIteratorContext psc;
+ psc.result = NULL;
+ psc.addrlen = addrlen;
+ psc.addr = addr;
+
+ GNUNET_CONTAINER_multihashmap_get_multiple(plugin->inbound_sessions, &peer->hashPubKey, &inbound_session_iterator, &psc);
+ return psc.result;
+}
+
+
+static int
+inbound_session_by_addr_iterator (void *cls,
+ const GNUNET_HashCode * key,
+ void *value)
+{
+ struct PeerSessionIteratorContext *psc = cls;
+ struct Session *s = value;
+ if (s->addrlen == psc->addrlen)
+ {
+ if (0 == memcmp (&s[1], psc->addr, s->addrlen))
+ psc->result = s;
+ }
+ if (psc->result != NULL)
+ return GNUNET_NO;
+ else
+ return GNUNET_YES;
+};
+
+/**
+ * Lookup the session for the given peer just by address.
+ *
+ * @param plugin the plugin
+ * @param addr address
+ * @param addrlen address length
+ * @return NULL if we have no session
+ */
+static struct Session *
+find_inbound_session_by_addr (struct Plugin *plugin, const void * addr, size_t addrlen)
+{
+ struct PeerSessionIteratorContext psc;
+ psc.result = NULL;
+ psc.addrlen = addrlen;
+ psc.addr = addr;
+
+ GNUNET_CONTAINER_multihashmap_iterate (plugin->inbound_sessions, &inbound_session_by_addr_iterator, &psc);
+ return psc.result;
+}
+
+
+/**
+ * Destroy a session, plugin is being unloaded.
+ *
+ * @param cls unused
+ * @param key hash of public key of target peer
+ * @param value a 'struct PeerSession*' to clean up
+ * @return GNUNET_OK (continue to iterate)
+ */
+static int
+destroy_session (void *cls, const GNUNET_HashCode * key, void *value)
{
- return GNUNET_CONTAINER_multihashmap_get (plugin->sessions,
- &peer->hashPubKey);
+ struct Session *peer_session = value;
+
+ if (peer_session->frag != NULL)
+ GNUNET_FRAGMENT_context_destroy (peer_session->frag);
+ if (GNUNET_SCHEDULER_NO_TASK != peer_session->delayed_cont_task)
+ GNUNET_SCHEDULER_cancel (peer_session->delayed_cont_task);
+ GNUNET_free (peer_session);
+ return GNUNET_OK;
}
+/**
+ * Destroy a session, plugin is being unloaded.
+ *
+ * @param cls unused
+ * @param key hash of public key of target peer
+ * @param value a 'struct PeerSession*' to clean up
+ * @return GNUNET_OK (continue to iterate)
+ */
+static int
+destroy_inbound_session (void *cls, const GNUNET_HashCode * key, void *value)
+{
+ struct Session *s = value;
+
+ if (s->invalidation_task != GNUNET_SCHEDULER_NO_TASK)
+ GNUNET_SCHEDULER_cancel(s->invalidation_task);
+ if (GNUNET_SCHEDULER_NO_TASK != s->delayed_cont_task)
+ GNUNET_SCHEDULER_cancel (s->delayed_cont_task);
+ GNUNET_free (s);
+ return GNUNET_OK;
+}
/**
* Disconnect from a remote node. Clean up session if we have one for this peer
udp_disconnect (void *cls, const struct GNUNET_PeerIdentity *target)
{
struct Plugin *plugin = cls;
- struct PeerSession *session;
+ struct Session *session;
session = find_session (plugin, target);
if (NULL == session)
return;
GNUNET_assert (GNUNET_OK ==
- GNUNET_CONTAINER_multihashmap_remove (plugin->sessions,
- &target->hashPubKey,
- session));
+ GNUNET_CONTAINER_multihashmap_remove (plugin->sessions,
+ &target->hashPubKey,
+ session));
+
+ GNUNET_CONTAINER_multihashmap_get_multiple (plugin->inbound_sessions,
+ &target->hashPubKey,
+ &destroy_inbound_session, NULL);
+ GNUNET_log_strerror (GNUNET_ERROR_TYPE_ERROR, "sendto");
+ LOG (GNUNET_ERROR_TYPE_ERROR,
+ "UDP DISCONNECT\n");
+
plugin->last_expected_delay = GNUNET_FRAGMENT_context_destroy (session->frag);
- session->cont (session->cont_cls, target, GNUNET_SYSERR);
+ if (GNUNET_SCHEDULER_NO_TASK != session->delayed_cont_task)
+ GNUNET_SCHEDULER_cancel (session->delayed_cont_task);
+ if (session->cont != NULL)
+ session->cont (session->cont_cls, target, GNUNET_SYSERR);
GNUNET_free (session);
}
* Actually send out the message.
*
* @param plugin the plugin
- * @param send_handle which handle to send message on
- * @param target who should receive this message (ignored by UDP)
- * @param msgbuf one or more GNUNET_MessageHeader(s) strung together
- * @param msgbuf_size the size of the msgbuf to send
- * @param priority how important is the message (ignored by UDP)
- * @param timeout when should we time out (give up) if we can not transmit?
- * @param addr the addr to send the message to, needs to be a sockaddr for us
- * @param addrlen the len of addr
- * @param cont continuation to call once the message has
- * been transmitted (or if the transport is ready
- * for the next transmission call; or if the
- * peer disconnected...)
- * @param cont_cls closure for cont
+ * @param sa the address to send the message to
+ * @param msg message to transmit
* @return the number of bytes written
*/
static ssize_t
-udp_send (struct Plugin *plugin,
- const struct sockaddr *sa,
- const struct GNUNET_MessageHeader *msg)
+udp_send (struct Plugin *plugin, const struct sockaddr *sa,
+ const struct GNUNET_MessageHeader *msg)
{
ssize_t sent;
size_t slen;
switch (sa->sa_family)
- {
- case AF_INET:
- sent =
- GNUNET_NETWORK_socket_sendto (plugin->sockv4,
- msg,
- ntohs (msg->size),
- sa,
- slen = sizeof (struct sockaddr_in));
- break;
- case AF_INET6:
- sent =
- GNUNET_NETWORK_socket_sendto (plugin->sockv6,
- msg,
- ntohs (msg->size),
- sa,
- slen = sizeof (struct sockaddr_in6));
- break;
- default:
- GNUNET_break (0);
+ {
+ case AF_INET:
+ if (NULL == plugin->sockv4)
return 0;
- }
+ sent =
+ GNUNET_NETWORK_socket_sendto (plugin->sockv4, msg, ntohs (msg->size),
+ sa, slen = sizeof (struct sockaddr_in));
+ break;
+ case AF_INET6:
+ if (NULL == plugin->sockv6)
+ return 0;
+ sent =
+ GNUNET_NETWORK_socket_sendto (plugin->sockv6, msg, ntohs (msg->size),
+ sa, slen = sizeof (struct sockaddr_in6));
+ break;
+ default:
+ GNUNET_break (0);
+ return 0;
+ }
if (GNUNET_SYSERR == sent)
- GNUNET_log_strerror (GNUNET_ERROR_TYPE_INFO,
- "sendto");
-#if DEBUG_UDP
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
- "UDP transmited %u-byte message to %s (%d: %s)\n",
- (unsigned int) ntohs (msg->size),
- GNUNET_a2s (sa, slen),
- (int) sent,
- (sent < 0) ? STRERROR (errno) : "ok");
-#endif
+ {
+ GNUNET_log_strerror (GNUNET_ERROR_TYPE_ERROR, "sendto");
+ LOG (GNUNET_ERROR_TYPE_ERROR,
+ "UDP transmited %u-byte message to %s (%d: %s)\n",
+ (unsigned int) ntohs (msg->size), GNUNET_a2s (sa, slen),
+ (int) sent, (sent < 0) ? STRERROR (errno) : "ok");
+
+ }
+ LOG (GNUNET_ERROR_TYPE_DEBUG,
+ "UDP transmited %u-byte message to %s (%d: %s)\n",
+ (unsigned int) ntohs (msg->size), GNUNET_a2s (sa, slen),
+ (int) sent, (sent < 0) ? STRERROR (errno) : "ok");
return sent;
}
* @param cls closure, the 'struct PeerSession'
* @param msg the message that was created
*/
-static void
-send_fragment (void *cls,
- const struct GNUNET_MessageHeader *msg)
+static void
+send_fragment (void *cls, const struct GNUNET_MessageHeader *msg)
{
- struct PeerSession *session = cls;
+ struct Session *session = cls;
- udp_send (session->plugin,
- session->sock_addr,
- msg);
+ udp_send (session->plugin, session->sock_addr, msg);
GNUNET_FRAGMENT_context_transmission_done (session->frag);
}
+static struct Session *
+create_session (struct Plugin *plugin, const struct GNUNET_PeerIdentity *target,
+ const void *addr, size_t addrlen,
+ GNUNET_TRANSPORT_TransmitContinuation cont, void *cont_cls)
+{
+ struct Session * peer_session;
+ const struct IPv4UdpAddress *t4;
+ const struct IPv6UdpAddress *t6;
+ struct sockaddr_in *v4;
+ struct sockaddr_in6 *v6;
+ size_t len;
+
+ switch (addrlen)
+ {
+ case sizeof (struct IPv4UdpAddress):
+ if (NULL == plugin->sockv4)
+ {
+ return NULL;
+ }
+ t4 = addr;
+ peer_session =
+ GNUNET_malloc (sizeof (struct Session) +
+ sizeof (struct sockaddr_in));
+ len = sizeof (struct sockaddr_in);
+ v4 = (struct sockaddr_in *) &peer_session[1];
+ v4->sin_family = AF_INET;
+#if HAVE_SOCKADDR_IN_SIN_LEN
+ v4->sin_len = sizeof (struct sockaddr_in);
+#endif
+ v4->sin_port = t4->u4_port;
+ v4->sin_addr.s_addr = t4->ipv4_addr;
+ break;
+ case sizeof (struct IPv6UdpAddress):
+ if (NULL == plugin->sockv6)
+ {
+ return NULL;
+ }
+ t6 = addr;
+ peer_session =
+ GNUNET_malloc (sizeof (struct Session) +
+ sizeof (struct sockaddr_in6));
+ len = sizeof (struct sockaddr_in6);
+ v6 = (struct sockaddr_in6 *) &peer_session[1];
+ v6->sin6_family = AF_INET6;
+#if HAVE_SOCKADDR_IN_SIN_LEN
+ v6->sin6_len = sizeof (struct sockaddr_in6);
+#endif
+ v6->sin6_port = t6->u6_port;
+ v6->sin6_addr = t6->ipv6_addr;
+ break;
+ default:
+ /* Must have a valid address to send to */
+ GNUNET_break_op (0);
+ return NULL;
+ }
+
+ peer_session->valid_until = GNUNET_TIME_absolute_get_zero ();
+ peer_session->invalidation_task = GNUNET_SCHEDULER_NO_TASK;
+ peer_session->addrlen = len;
+ peer_session->target = *target;
+ peer_session->plugin = plugin;
+ peer_session->sock_addr = (const struct sockaddr *) &peer_session[1];
+ peer_session->cont = cont;
+ peer_session->cont_cls = cont_cls;
+
+ return peer_session;
+}
+
+static const char *
+udp_address_to_string (void *cls, const void *addr, size_t addrlen);
+
+
+static void
+udp_call_continuation (void *cls,
+ const struct GNUNET_SCHEDULER_TaskContext *tc)
+{
+ struct Session *s = cls;
+ GNUNET_TRANSPORT_TransmitContinuation cont = s->cont;
+
+ s->delayed_cont_task = GNUNET_SCHEDULER_NO_TASK;
+ s->cont = NULL;
+ cont (s->cont_cls, &s->target, GNUNET_OK);
+}
+
+
/**
* Function that can be used by the transport service to transmit
* a message using the plugin.
* still be transmitted later!)
*/
static ssize_t
-udp_plugin_send (void *cls,
- const struct GNUNET_PeerIdentity *target,
- const char *msgbuf,
- size_t msgbuf_size,
- unsigned int priority,
- struct GNUNET_TIME_Relative timeout,
- struct Session *session,
- const void *addr,
- size_t addrlen,
- int force_address,
- GNUNET_TRANSPORT_TransmitContinuation cont, void *cont_cls)
+udp_plugin_send (void *cls, const struct GNUNET_PeerIdentity *target,
+ const char *msgbuf, size_t msgbuf_size, unsigned int priority,
+ struct GNUNET_TIME_Relative timeout, struct Session *session,
+ const void *addr, size_t addrlen, int force_address,
+ GNUNET_TRANSPORT_TransmitContinuation cont, void *cont_cls)
{
struct Plugin *plugin = cls;
- struct PeerSession *peer_session;
+ struct Session *peer_session;
+ struct Session *s;
const struct IPv4UdpAddress *t4;
const struct IPv6UdpAddress *t6;
- struct sockaddr_in *v4;
- struct sockaddr_in6 *v6;
size_t mlen = msgbuf_size + sizeof (struct UDPMessage);
char mbuf[mlen];
struct UDPMessage *udp;
+ struct GNUNET_TIME_Relative delta;
- if (force_address == GNUNET_SYSERR)
- return GNUNET_SYSERR;
- GNUNET_assert (NULL == session);
if (mlen >= GNUNET_SERVER_MAX_MESSAGE_SIZE)
- {
- GNUNET_break (0);
+ {
+ GNUNET_break (0);
+ return GNUNET_SYSERR;
+ }
+
+ LOG (GNUNET_ERROR_TYPE_DEBUG,
+ "UDP transmits %u-byte message to `%s' using address `%s' session 0x%X mode %i\n",
+ msgbuf_size, GNUNET_i2s (target),
+ udp_address_to_string (NULL, addr, addrlen),
+ session, force_address);
+
+ if ((force_address == GNUNET_SYSERR) && (session == NULL))
+ return GNUNET_SYSERR;
+
+ s = NULL;
+ /* safety check: comparing address to address stored in session */
+ if ((session != NULL) && (addr != NULL) && (addrlen != 0))
+ {
+ s = session;
+ GNUNET_assert (GNUNET_YES == GNUNET_CONTAINER_multihashmap_contains_value (
+ plugin->inbound_sessions, &target->hashPubKey, s));
+
+ if (0 != memcmp (&s->target, target, sizeof (struct GNUNET_PeerIdentity)))
return GNUNET_SYSERR;
- }
- switch (addrlen)
+ switch (addrlen)
{
- case sizeof(struct IPv4UdpAddress):
+ case sizeof (struct IPv4UdpAddress):
+ if (NULL == plugin->sockv4)
+ {
+ if (cont != NULL)
+ cont (cont_cls, target, GNUNET_SYSERR);
+ return GNUNET_SYSERR;
+ }
t4 = addr;
- peer_session = GNUNET_malloc (sizeof (struct PeerSession) + sizeof (struct sockaddr_in));
- v4 = (struct sockaddr_in*) &peer_session[1];
- v4->sin_family = AF_INET;
-#if HAVE_SOCKADDR_IN_SIN_LEN
- v4->sin_len = sizeof (struct sockaddr_in);
-#endif
- v4->sin_port = t4->u4_port;
- v4->sin_addr.s_addr = t4->ipv4_addr;
+ if (s->addrlen != (sizeof (struct sockaddr_in)))
+ return GNUNET_SYSERR;
+ struct sockaddr_in *a4 = (struct sockaddr_in *) s->sock_addr;
+ GNUNET_assert (a4->sin_port == t4->u4_port);
+ GNUNET_assert (0 == memcmp(&a4->sin_addr, &t4->ipv4_addr, sizeof (struct in_addr)));
+ LOG (GNUNET_ERROR_TYPE_DEBUG,
+ "Session 0x%X successfully checked!\n", session);
break;
- case sizeof(struct IPv6UdpAddress):
+ case sizeof (struct IPv6UdpAddress):
+ if (NULL == plugin->sockv6)
+ {
+ if (cont != NULL)
+ cont (cont_cls, target, GNUNET_SYSERR);
+ return GNUNET_SYSERR;
+ }
t6 = addr;
- peer_session = GNUNET_malloc (sizeof (struct PeerSession) + sizeof (struct sockaddr_in6));
- v6 = (struct sockaddr_in6*) &peer_session[1];
- v6->sin6_family = AF_INET6;
-#if HAVE_SOCKADDR_IN_SIN_LEN
- v6->sin6_len = sizeof (struct sockaddr_in6);
-#endif
- v6->sin6_port = t6->u6_port;
- v6->sin6_addr = t6->ipv6_addr;
+ GNUNET_assert (s->addrlen == sizeof (struct sockaddr_in6));
+ struct sockaddr_in6 *a6 = (struct sockaddr_in6 *) s->sock_addr;
+ GNUNET_assert (a6->sin6_port == t6->u6_port);
+ GNUNET_assert (0 == memcmp(&a6->sin6_addr, &t6->ipv6_addr, sizeof (struct in6_addr)));
+ LOG (GNUNET_ERROR_TYPE_DEBUG,
+ "Session 0x%X successfully checked!\n", session);
break;
default:
/* Must have a valid address to send to */
- GNUNET_break_op(0);
- return GNUNET_SYSERR;
+ GNUNET_break_op (0);
}
- udp = (struct UDPMessage*) mbuf;
+ }
+//session_invalid:
+ if ((addr == NULL) || (addrlen == 0))
+ return GNUNET_SYSERR;
+ peer_session = create_session (plugin, target, addr, addrlen, cont, cont_cls);
+ if (peer_session == NULL)
+ {
+ if (cont != NULL)
+ cont (cont_cls, target, GNUNET_SYSERR);
+ return GNUNET_SYSERR;;
+ }
+
+ /* Message */
+ udp = (struct UDPMessage *) mbuf;
udp->header.size = htons (mlen);
udp->header.type = htons (GNUNET_MESSAGE_TYPE_TRANSPORT_UDP_MESSAGE);
udp->reserved = htonl (0);
udp->sender = *plugin->env->my_identity;
memcpy (&udp[1], msgbuf, msgbuf_size);
- peer_session->target = *target;
- peer_session->plugin = plugin;
- peer_session->sock_addr = (const struct sockaddr*) &peer_session[1];
- peer_session->cont = cont;
- peer_session->cont_cls = cont_cls;
+
+ if (s != NULL)
+ delta = GNUNET_TIME_absolute_get_remaining (s->flow_delay_from_other_peer);
+ else
+ delta = GNUNET_TIME_UNIT_ZERO;
if (mlen <= UDP_MTU)
+ {
+ mlen = udp_send (plugin, peer_session->sock_addr, &udp->header);
+ if (cont != NULL)
{
- mlen = udp_send (plugin,
- peer_session->sock_addr,
- &udp->header);
- cont (cont_cls, target, (mlen > 0) ? GNUNET_OK : GNUNET_SYSERR);
- GNUNET_free (peer_session);
+ if ( (delta.rel_value > 0) &&
+ (mlen > 0) )
+ {
+ s->cont = cont;
+ s->cont_cls = cont_cls;
+ s->delayed_cont_task = GNUNET_SCHEDULER_add_delayed (delta,
+ &udp_call_continuation,
+ s);
+ }
+ else
+ cont (cont_cls, target, (mlen > 0) ? GNUNET_OK : GNUNET_SYSERR);
}
+ GNUNET_free_non_null (peer_session);
+ }
else
- {
- GNUNET_assert (GNUNET_OK ==
- GNUNET_CONTAINER_multihashmap_put (plugin->sessions,
- &target->hashPubKey,
- peer_session,
- GNUNET_CONTAINER_MULTIHASHMAPOPTION_UNIQUE_ONLY));
- peer_session->frag = GNUNET_FRAGMENT_context_create (plugin->env->stats,
- UDP_MTU,
- &plugin->tracker,
- plugin->last_expected_delay,
- &udp->header,
- &send_fragment,
- peer_session);
- }
+ {
+ GNUNET_assert (GNUNET_OK ==
+ GNUNET_CONTAINER_multihashmap_put (plugin->sessions,
+ &target->hashPubKey,
+ peer_session,
+ GNUNET_CONTAINER_MULTIHASHMAPOPTION_UNIQUE_ONLY));
+ peer_session->frag =
+ GNUNET_FRAGMENT_context_create (plugin->env->stats, UDP_MTU,
+ &plugin->tracker,
+ plugin->last_expected_delay,
+ &udp->header, &send_fragment,
+ peer_session);
+ }
return mlen;
}
* Sender identity.
*/
struct GNUNET_PeerIdentity sender;
-
+
/**
* Source address.
*/
* Number of bytes in source address.
*/
size_t args;
+
+ struct Session * session;
};
/**
- * Message tokenizer has broken up an incomming message. Pass it on
+ * Message tokenizer has broken up an incomming message. Pass it on
* to the service.
*
* @param cls the 'struct Plugin'
* @param hdr the actual message
*/
static void
-process_inbound_tokenized_messages (void *cls,
- void *client,
- const struct GNUNET_MessageHeader *hdr)
+process_inbound_tokenized_messages (void *cls, void *client,
+ const struct GNUNET_MessageHeader *hdr)
{
struct Plugin *plugin = cls;
- struct SourceInformation* si = client;
- struct GNUNET_TRANSPORT_ATS_Information distance[2];
+ struct SourceInformation *si = client;
+ struct GNUNET_ATS_Information distance;
+ struct GNUNET_TIME_Relative delay;
/* setup ATS */
- distance[0].type = htonl (GNUNET_TRANSPORT_ATS_QUALITY_NET_DISTANCE);
- distance[0].value = htonl (1);
- distance[1].type = htonl (GNUNET_TRANSPORT_ATS_ARRAY_TERMINATOR);
- distance[1].value = htonl (0);
-
- plugin->env->receive (plugin->env->cls,
- &si->sender,
- hdr,
- distance, 2,
- NULL,
- si->arg, si->args);
+ distance.type = htonl (GNUNET_ATS_QUALITY_NET_DISTANCE);
+ distance.value = htonl (1);
+
+ LOG (GNUNET_ERROR_TYPE_DEBUG,
+ "Giving Session %X %s to transport\n", si->session, GNUNET_i2s(&si->session->target));
+ delay = plugin->env->receive (plugin->env->cls, &si->sender, hdr, &distance, 1, si->session,
+ si->arg, si->args);
+ si->session->flow_delay_for_other_peer = delay;
+}
+
+static void
+invalidation_task (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
+{
+ struct Session * s = cls;
+ s->invalidation_task = GNUNET_SCHEDULER_NO_TASK;
+ LOG (GNUNET_ERROR_TYPE_ERROR,
+ "Session %X (`%s') is now invalid\n", s, GNUNET_a2s (s->sock_addr,s->addrlen));
+
+ s->plugin->env->session_end(s->plugin->env->cls, &s->target, s);
+ GNUNET_assert (GNUNET_YES == GNUNET_CONTAINER_multihashmap_remove(s->plugin->inbound_sessions, &s->target.hashPubKey, s));
+ GNUNET_free (s);
}
*
* @param plugin plugin context
* @param msg the message
- * @param sender_addr sender address
+ * @param sender_addr sender address
* @param sender_addr_len number of bytes in sender_addr
*/
static void
-process_udp_message (struct Plugin *plugin,
- const struct UDPMessage *msg,
- const struct sockaddr *sender_addr,
- socklen_t sender_addr_len)
+process_udp_message (struct Plugin *plugin, const struct UDPMessage *msg,
+ const struct sockaddr *sender_addr,
+ socklen_t sender_addr_len)
{
struct SourceInformation si;
struct IPv4UdpAddress u4;
struct IPv6UdpAddress u6;
const void *arg;
size_t args;
-
+
if (0 != ntohl (msg->reserved))
- {
- GNUNET_break_op (0);
- return;
- }
- if (ntohs (msg->header.size) < sizeof (struct GNUNET_MessageHeader) + sizeof (struct UDPMessage))
- {
- GNUNET_break_op (0);
- return;
- }
+ {
+ GNUNET_break_op (0);
+ return;
+ }
+ if (ntohs (msg->header.size) <
+ sizeof (struct GNUNET_MessageHeader) + sizeof (struct UDPMessage))
+ {
+ GNUNET_break_op (0);
+ return;
+ }
/* convert address */
switch (sender_addr->sa_family)
- {
- case AF_INET:
- GNUNET_assert (sender_addr_len == sizeof (struct sockaddr_in));
- u4.ipv4_addr = ((struct sockaddr_in *) sender_addr)->sin_addr.s_addr;
- u4.u4_port = ((struct sockaddr_in *) sender_addr)->sin_port;
- arg = &u4;
- args = sizeof (u4);
- break;
- case AF_INET6:
- GNUNET_assert (sender_addr_len == sizeof (struct sockaddr_in6));
- u6.ipv6_addr = ((struct sockaddr_in6*) sender_addr)->sin6_addr;
- u6.u6_port = ((struct sockaddr_in6 *) sender_addr)->sin6_port;
- arg = &u6;
- args = sizeof (u6);
- break;
- default:
- GNUNET_break (0);
- return;
- }
+ {
+ case AF_INET:
+ GNUNET_assert (sender_addr_len == sizeof (struct sockaddr_in));
+ u4.ipv4_addr = ((struct sockaddr_in *) sender_addr)->sin_addr.s_addr;
+ u4.u4_port = ((struct sockaddr_in *) sender_addr)->sin_port;
+ arg = &u4;
+ args = sizeof (u4);
+ break;
+ case AF_INET6:
+ GNUNET_assert (sender_addr_len == sizeof (struct sockaddr_in6));
+ u6.ipv6_addr = ((struct sockaddr_in6 *) sender_addr)->sin6_addr;
+ u6.u6_port = ((struct sockaddr_in6 *) sender_addr)->sin6_port;
+ arg = &u6;
+ args = sizeof (u6);
+ break;
+ default:
+ GNUNET_break (0);
+ return;
+ }
#if DEBUG_UDP
- GNUNET_log_from (GNUNET_ERROR_TYPE_DEBUG,
- "udp",
- "Received message with %u bytes from peer `%s' at `%s'\n",
- (unsigned int) ntohs (msg->header.size),
- GNUNET_i2s (&msg->sender),
- GNUNET_a2s (sender_addr, sender_addr_len));
+ LOG (GNUNET_ERROR_TYPE_DEBUG,
+ "Received message with %u bytes from peer `%s' at `%s'\n",
+ (unsigned int) ntohs (msg->header.size),
+ GNUNET_i2s (&msg->sender), GNUNET_a2s (sender_addr,
+ sender_addr_len));
#endif
+ /* create a session for inbound connections */
+ const struct UDPMessage * udp_msg = (const struct UDPMessage *) msg;
+ LOG (GNUNET_ERROR_TYPE_DEBUG,
+ "Lookup inbound UDP sessions for peer `%s' address `%s'\n",
+ GNUNET_i2s (&udp_msg->sender),
+ udp_address_to_string(NULL, arg, args));
+
+ struct Session * s = NULL;
+ s = find_inbound_session (plugin, &udp_msg->sender, sender_addr, sender_addr_len);
+
+ if (s != NULL)
+ {
+ LOG (GNUNET_ERROR_TYPE_DEBUG,
+ "Found existing inbound UDP sessions 0x%X for peer `%s' address `%s'\n",
+ s,
+ GNUNET_i2s (&s->target),
+ udp_address_to_string(NULL, arg, args));
+ }
+ else
+ {
+ s = create_session (plugin, &udp_msg->sender, arg, args, NULL, NULL);
+ LOG (GNUNET_ERROR_TYPE_DEBUG,
+ "Creating inbound UDP sessions 0x%X for peer `%s' address `%s'\n",
+ s,
+ GNUNET_i2s (&s->target),
+ udp_address_to_string(NULL, arg, args));
+
+ GNUNET_assert (GNUNET_OK == GNUNET_CONTAINER_multihashmap_put (plugin->inbound_sessions,
+ &s->target.hashPubKey,
+ s,
+ GNUNET_CONTAINER_MULTIHASHMAPOPTION_MULTIPLE));
+ }
+ s->valid_until = GNUNET_TIME_relative_to_absolute (GNUNET_CONSTANTS_IDLE_CONNECTION_TIMEOUT);
+ if (s->invalidation_task != GNUNET_SCHEDULER_NO_TASK)
+ {
+ GNUNET_SCHEDULER_cancel(s->invalidation_task);
+ s->invalidation_task = GNUNET_SCHEDULER_NO_TASK;
+ LOG (GNUNET_ERROR_TYPE_DEBUG,
+ "Rescheduling %X' `%s'\n",
+ s, udp_address_to_string(NULL, arg, args));
+ }
+ s->invalidation_task = GNUNET_SCHEDULER_add_delayed(GNUNET_CONSTANTS_IDLE_CONNECTION_TIMEOUT, &invalidation_task, s);
/* iterate over all embedded messages */
si.sender = msg->sender;
si.arg = arg;
si.args = args;
- GNUNET_SERVER_mst_receive (plugin->mst,
- &si,
- (const char*) &msg[1],
- ntohs (msg->header.size) - sizeof (struct UDPMessage),
- GNUNET_YES,
- GNUNET_NO);
+ si.session = s;
+ GNUNET_SERVER_mst_receive (plugin->mst, &si, (const char *) &msg[1],
+ ntohs (msg->header.size) -
+ sizeof (struct UDPMessage), GNUNET_YES, GNUNET_NO);
}
* @param msg the message
*/
static void
-fragment_msg_proc (void *cls,
- const struct GNUNET_MessageHeader *msg)
+fragment_msg_proc (void *cls, const struct GNUNET_MessageHeader *msg)
{
struct ReceiveContext *rc = cls;
if (ntohs (msg->type) != GNUNET_MESSAGE_TYPE_TRANSPORT_UDP_MESSAGE)
- {
- GNUNET_break (0);
- return;
- }
- if (ntohs (msg->size) < sizeof(struct UDPMessage))
- {
- GNUNET_break (0);
- return;
- }
- process_udp_message (rc->plugin,
- (const struct UDPMessage*) msg,
- rc->src_addr,
- rc->addr_len);
-}
+ {
+ GNUNET_break (0);
+ return;
+ }
+ if (ntohs (msg->size) < sizeof (struct UDPMessage))
+ {
+ GNUNET_break (0);
+ return;
+ }
+ process_udp_message (rc->plugin, (const struct UDPMessage *) msg,
+ rc->src_addr, rc->addr_len);
+}
/**
* @param msg ack to transmit
*/
static void
-ack_proc (void *cls,
- uint32_t id,
- const struct GNUNET_MessageHeader *msg)
+ack_proc (void *cls, uint32_t id, const struct GNUNET_MessageHeader *msg)
{
struct ReceiveContext *rc = cls;
- size_t msize = sizeof (struct UDPMessage) + ntohs (msg->size);
+
+ size_t msize = sizeof (struct UDP_ACK_Message) + ntohs (msg->size);
char buf[msize];
- struct UDPMessage *udp;
+ struct UDP_ACK_Message *udp_ack;
+ uint32_t delay = 0;
+
+ struct Session *s;
+ s = find_inbound_session_by_addr (rc->plugin, rc->src_addr, rc->addr_len);
+ if (s != NULL)
+ {
+ if (s->flow_delay_for_other_peer.rel_value <= UINT32_MAX)
+ delay = s->flow_delay_for_other_peer.rel_value;
+ else
+ delay = UINT32_MAX;
+ }
+
#if DEBUG_UDP
- GNUNET_log_from (GNUNET_ERROR_TYPE_DEBUG,
- "udp",
- "Sending ACK to `%s'\n",
- GNUNET_a2s (rc->src_addr,
- (rc->src_addr->sa_family == AF_INET)
- ? sizeof (struct sockaddr_in)
- : sizeof (struct sockaddr_in6)));
+ LOG (GNUNET_ERROR_TYPE_DEBUG, "Sending ACK to `%s' including delay of %u ms\n",
+ GNUNET_a2s (rc->src_addr,
+ (rc->src_addr->sa_family ==
+ AF_INET) ? sizeof (struct sockaddr_in) :
+ sizeof (struct sockaddr_in6)),
+ delay);
#endif
- udp = (struct UDPMessage*) buf;
- udp->header.size = htons ((uint16_t) msize);
- udp->header.type = htons (GNUNET_MESSAGE_TYPE_TRANSPORT_UDP_ACK);
- udp->reserved = htonl (0);
- udp->sender = *rc->plugin->env->my_identity;
- memcpy (&udp[1], msg, ntohs (msg->size));
- (void) udp_send (rc->plugin,
- rc->src_addr,
- &udp->header);
+ udp_ack = (struct UDP_ACK_Message *) buf;
+ udp_ack->header.size = htons ((uint16_t) msize);
+ udp_ack->header.type = htons (GNUNET_MESSAGE_TYPE_TRANSPORT_UDP_ACK);
+ udp_ack->delay = htonl (delay);
+ udp_ack->sender = *rc->plugin->env->my_identity;
+ memcpy (&udp_ack[1], msg, ntohs (msg->size));
+ (void) udp_send (rc->plugin, rc->src_addr, &udp_ack->header);
}
* Number of bytes in 'addr'.
*/
socklen_t addr_len;
+
+ struct Session * session;
};
* GNUNET_NO if not.
*/
static int
-find_receive_context (void *cls,
- struct GNUNET_CONTAINER_HeapNode *node,
- void *element,
- GNUNET_CONTAINER_HeapCostType cost)
+find_receive_context (void *cls, struct GNUNET_CONTAINER_HeapNode *node,
+ void *element, GNUNET_CONTAINER_HeapCostType cost)
{
struct FindReceiveContext *frc = cls;
struct ReceiveContext *e = element;
- if ( (frc->addr_len == e->addr_len) &&
- (0 == memcmp (frc->addr,
- e->src_addr,
- frc->addr_len) ) )
- {
- frc->rc = e;
- return GNUNET_NO;
- }
+ if ((frc->addr_len == e->addr_len) &&
+ (0 == memcmp (frc->addr, e->src_addr, frc->addr_len)))
+ {
+ frc->rc = e;
+ return GNUNET_NO;
+ }
return GNUNET_YES;
}
* @param rsock socket to read from
*/
static void
-udp_read (struct Plugin *plugin,
- struct GNUNET_NETWORK_Handle *rsock)
+udp_read (struct Plugin *plugin, struct GNUNET_NETWORK_Handle *rsock)
{
socklen_t fromlen;
char addr[32];
ssize_t ret;
const struct GNUNET_MessageHeader *msg;
const struct GNUNET_MessageHeader *ack;
- struct PeerSession *peer_session;
- const struct UDPMessage *udp;
+ struct Session *peer_session;
+ const struct UDP_ACK_Message *udp_ack;
struct ReceiveContext *rc;
struct GNUNET_TIME_Absolute now;
struct FindReceiveContext frc;
+ struct Session * s = NULL;
+ struct GNUNET_TIME_Relative flow_delay;
fromlen = sizeof (addr);
- memset (&addr, 0, sizeof(addr));
- ret = GNUNET_NETWORK_socket_recvfrom (rsock, buf, sizeof (buf),
- (struct sockaddr *)&addr, &fromlen);
+ memset (&addr, 0, sizeof (addr));
+ ret =
+ GNUNET_NETWORK_socket_recvfrom (rsock, buf, sizeof (buf),
+ (struct sockaddr *) &addr, &fromlen);
if (ret < sizeof (struct GNUNET_MessageHeader))
+ {
+ GNUNET_break_op (0);
+ return;
+ }
+ msg = (const struct GNUNET_MessageHeader *) buf;
+
+ LOG (GNUNET_ERROR_TYPE_DEBUG,
+ "UDP received %u-byte message from `%s' type %i\n", (unsigned int) ret,
+ GNUNET_a2s ((const struct sockaddr *) addr, fromlen), ntohs(msg->type));
+
+ if (ret != ntohs (msg->size))
+ {
+ GNUNET_break_op (0);
+ return;
+ }
+ switch (ntohs (msg->type))
+ {
+ case GNUNET_MESSAGE_TYPE_TRANSPORT_UDP_MESSAGE:
+ if (ntohs (msg->size) < sizeof (struct UDPMessage))
{
GNUNET_break_op (0);
return;
}
-#if DEBUG_UDP
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
- "UDP received %u-byte message from `%s'\n",
- (unsigned int) ret,
- GNUNET_a2s ((const struct sockaddr*) addr, fromlen));
-#endif
- msg = (const struct GNUNET_MessageHeader *) buf;
- if (ret != ntohs (msg->size))
+ process_udp_message (plugin, (const struct UDPMessage *) msg,
+ (const struct sockaddr *) addr, fromlen);
+ return;
+ case GNUNET_MESSAGE_TYPE_TRANSPORT_UDP_ACK:
+
+ if (ntohs (msg->size) <
+ sizeof (struct UDP_ACK_Message) + sizeof (struct GNUNET_MessageHeader))
{
GNUNET_break_op (0);
return;
}
- switch (ntohs (msg->type))
+ udp_ack = (const struct UDP_ACK_Message *) msg;
+ s = find_inbound_session(plugin, &udp_ack->sender, addr, fromlen);
+ if (s != NULL)
{
- case GNUNET_MESSAGE_TYPE_TRANSPORT_UDP_MESSAGE:
- if (ntohs (msg->size) < sizeof (struct UDPMessage))
- {
- GNUNET_break_op (0);
- return;
- }
- process_udp_message (plugin,
- (const struct UDPMessage *) msg,
- (const struct sockaddr*) addr,
- fromlen);
+ flow_delay.rel_value = (uint64_t) ntohl(udp_ack->delay);
+
+ LOG (GNUNET_ERROR_TYPE_DEBUG,
+ "We received a sending delay of %llu\n", flow_delay.rel_value);
+
+ s->flow_delay_from_other_peer = GNUNET_TIME_relative_to_absolute (flow_delay);
+ }
+ ack = (const struct GNUNET_MessageHeader *) &udp_ack[1];
+ if (ntohs (ack->size) != ntohs (msg->size) - sizeof (struct UDP_ACK_Message))
+ {
+ GNUNET_break_op (0);
return;
- case GNUNET_MESSAGE_TYPE_TRANSPORT_UDP_ACK:
- if (ntohs (msg->size) < sizeof (struct UDPMessage) + sizeof (struct GNUNET_MessageHeader))
- {
- GNUNET_break_op (0);
- return;
- }
- udp = (const struct UDPMessage *) msg;
- if (ntohl (udp->reserved) != 0)
- {
- GNUNET_break_op (0);
- return;
- }
- ack = (const struct GNUNET_MessageHeader*) &udp[1];
- if (ntohs (ack->size) != ntohs (msg->size) - sizeof (struct UDPMessage))
- {
- GNUNET_break_op (0);
- return;
- }
+ }
#if DEBUG_UDP
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
- "UDP processes %u-byte acknowledgement from `%s' at `%s'\n",
- (unsigned int) ntohs (msg->size),
- GNUNET_i2s (&udp->sender),
- GNUNET_a2s ((const struct sockaddr*) addr, fromlen));
+ LOG (GNUNET_ERROR_TYPE_DEBUG,
+ "UDP processes %u-byte acknowledgement from `%s' at `%s'\n",
+ (unsigned int) ntohs (msg->size), GNUNET_i2s (&udp_ack->sender),
+ GNUNET_a2s ((const struct sockaddr *) addr, fromlen));
#endif
- peer_session = find_session (plugin, &udp->sender);
- if (NULL == peer_session)
- {
+ peer_session = find_session (plugin, &udp_ack->sender);
+ if (NULL == peer_session)
+ {
#if DEBUG_UDP
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
- "Session for ACK not found, dropping ACK!\n");
+ LOG (GNUNET_ERROR_TYPE_DEBUG,
+ "Session for ACK not found, dropping ACK!\n");
#endif
- return;
- }
- if (GNUNET_OK !=
- GNUNET_FRAGMENT_process_ack (peer_session->frag,
- ack))
- return;
- GNUNET_assert (GNUNET_OK ==
- GNUNET_CONTAINER_multihashmap_remove (plugin->sessions,
- &udp->sender.hashPubKey,
- peer_session));
- plugin->last_expected_delay = GNUNET_FRAGMENT_context_destroy (peer_session->frag);
- peer_session->cont (peer_session->cont_cls,
- &udp->sender,
- GNUNET_OK);
- GNUNET_free (peer_session);
return;
- case GNUNET_MESSAGE_TYPE_FRAGMENT:
- frc.rc = NULL;
- frc.addr = (const struct sockaddr*) addr;
- frc.addr_len = fromlen;
- GNUNET_CONTAINER_heap_iterate (plugin->defrags,
- &find_receive_context,
- &frc);
- now = GNUNET_TIME_absolute_get ();
- rc = frc.rc;
- if (rc == NULL)
- {
- /* need to create a new RC */
- rc = GNUNET_malloc (sizeof (struct ReceiveContext) + fromlen);
- memcpy (&rc[1], addr, fromlen);
- rc->src_addr = (const struct sockaddr*) &rc[1];
- rc->addr_len = fromlen;
- rc->plugin = plugin;
- rc->defrag = GNUNET_DEFRAGMENT_context_create (plugin->env->stats,
- UDP_MTU,
- UDP_MAX_MESSAGES_IN_DEFRAG,
- rc,
- &fragment_msg_proc,
- &ack_proc);
- rc->hnode = GNUNET_CONTAINER_heap_insert (plugin->defrags,
- rc,
- (GNUNET_CONTAINER_HeapCostType) now.abs_value);
- }
+ }
+ if (GNUNET_OK != GNUNET_FRAGMENT_process_ack (peer_session->frag, ack))
+ return;
+ GNUNET_assert (GNUNET_OK ==
+ GNUNET_CONTAINER_multihashmap_remove (plugin->sessions,
+ &udp_ack->
+ sender.hashPubKey,
+ peer_session));
+ plugin->last_expected_delay =
+ GNUNET_FRAGMENT_context_destroy (peer_session->frag);
+ if (peer_session->cont != NULL)
+ peer_session->cont (peer_session->cont_cls, &udp_ack->sender, GNUNET_OK);
+ GNUNET_free (peer_session);
+ return;
+ case GNUNET_MESSAGE_TYPE_FRAGMENT:
+ frc.rc = NULL;
+ frc.addr = (const struct sockaddr *) addr;
+ frc.addr_len = fromlen;
+ GNUNET_CONTAINER_heap_iterate (plugin->defrags, &find_receive_context,
+ &frc);
+ now = GNUNET_TIME_absolute_get ();
+ rc = frc.rc;
+ if (rc == NULL)
+ {
+ /* need to create a new RC */
+ rc = GNUNET_malloc (sizeof (struct ReceiveContext) + fromlen);
+ memcpy (&rc[1], addr, fromlen);
+ rc->src_addr = (const struct sockaddr *) &rc[1];
+ rc->addr_len = fromlen;
+ rc->plugin = plugin;
+ rc->defrag =
+ GNUNET_DEFRAGMENT_context_create (plugin->env->stats, UDP_MTU,
+ UDP_MAX_MESSAGES_IN_DEFRAG, rc,
+ &fragment_msg_proc, &ack_proc);
+ rc->hnode =
+ GNUNET_CONTAINER_heap_insert (plugin->defrags, rc,
+ (GNUNET_CONTAINER_HeapCostType)
+ now.abs_value);
+ }
#if DEBUG_UDP
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
- "UDP processes %u-byte fragment from `%s'\n",
- (unsigned int) ntohs (msg->size),
- GNUNET_a2s ((const struct sockaddr*) addr, fromlen));
+ LOG (GNUNET_ERROR_TYPE_DEBUG,
+ "UDP processes %u-byte fragment from `%s'\n",
+ (unsigned int) ntohs (msg->size),
+ GNUNET_a2s ((const struct sockaddr *) addr, fromlen));
#endif
- if (GNUNET_OK ==
- GNUNET_DEFRAGMENT_process_fragment (rc->defrag,
- msg))
- {
- /* keep this 'rc' from expiring */
- GNUNET_CONTAINER_heap_update_cost (plugin->defrags,
- rc->hnode,
- (GNUNET_CONTAINER_HeapCostType) now.abs_value);
- }
- if (GNUNET_CONTAINER_heap_get_size (plugin->defrags) > UDP_MAX_SENDER_ADDRESSES_WITH_DEFRAG)
- {
- /* remove 'rc' that was inactive the longest */
- rc = GNUNET_CONTAINER_heap_remove_root (plugin->defrags);
- GNUNET_DEFRAGMENT_context_destroy (rc->defrag);
- GNUNET_free (rc);
- }
- return;
- default:
- GNUNET_break_op (0);
- return;
+ if (GNUNET_OK == GNUNET_DEFRAGMENT_process_fragment (rc->defrag, msg))
+ {
+ /* keep this 'rc' from expiring */
+ GNUNET_CONTAINER_heap_update_cost (plugin->defrags, rc->hnode,
+ (GNUNET_CONTAINER_HeapCostType)
+ now.abs_value);
+ }
+ if (GNUNET_CONTAINER_heap_get_size (plugin->defrags) >
+ UDP_MAX_SENDER_ADDRESSES_WITH_DEFRAG)
+ {
+ /* remove 'rc' that was inactive the longest */
+ rc = GNUNET_CONTAINER_heap_remove_root (plugin->defrags);
+ GNUNET_assert (NULL != rc);
+ GNUNET_DEFRAGMENT_context_destroy (rc->defrag);
+ GNUNET_free (rc);
}
+ return;
+ default:
+ GNUNET_break_op (0);
+ return;
+ }
}
* @param tc the scheduling context (for rescheduling this function again)
*/
static void
-udp_plugin_select (void *cls,
- const struct GNUNET_SCHEDULER_TaskContext *tc)
+udp_plugin_select (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
{
struct Plugin *plugin = cls;
plugin->select_task = GNUNET_SCHEDULER_NO_TASK;
- if ( (tc->reason & GNUNET_SCHEDULER_REASON_SHUTDOWN) != 0)
+ if ((tc->reason & GNUNET_SCHEDULER_REASON_SHUTDOWN) != 0)
return;
- if ( (NULL != plugin->sockv4) &&
- (GNUNET_NETWORK_fdset_isset (tc->read_ready,
- plugin->sockv4)) )
+ if ((NULL != plugin->sockv4) &&
+ (GNUNET_NETWORK_fdset_isset (tc->read_ready, plugin->sockv4)))
udp_read (plugin, plugin->sockv4);
- if ( (NULL != plugin->sockv6) &&
- (GNUNET_NETWORK_fdset_isset (tc->read_ready,
- plugin->sockv6)) )
+ if ((NULL != plugin->sockv6) &&
+ (GNUNET_NETWORK_fdset_isset (tc->read_ready, plugin->sockv6)))
udp_read (plugin, plugin->sockv6);
plugin->select_task =
- GNUNET_SCHEDULER_add_select (GNUNET_SCHEDULER_PRIORITY_DEFAULT,
- GNUNET_SCHEDULER_NO_TASK,
- GNUNET_TIME_UNIT_FOREVER_REL, plugin->rs,
- NULL, &udp_plugin_select, plugin);
-
+ GNUNET_SCHEDULER_add_select (GNUNET_SCHEDULER_PRIORITY_DEFAULT,
+ GNUNET_SCHEDULER_NO_TASK,
+ GNUNET_TIME_UNIT_FOREVER_REL, plugin->rs,
+ NULL, &udp_plugin_select, plugin);
+
}
static int
check_port (struct Plugin *plugin, uint16_t in_port)
{
- if ( (in_port == plugin->port) ||
- (in_port == plugin->aport) )
+ if ((in_port == plugin->port) || (in_port == plugin->aport))
return GNUNET_OK;
return GNUNET_SYSERR;
}
*
*/
static int
-udp_plugin_check_address (void *cls,
- const void *addr,
- size_t addrlen)
+udp_plugin_check_address (void *cls, const void *addr, size_t addrlen)
{
struct Plugin *plugin = cls;
struct IPv4UdpAddress *v4;
if ((addrlen != sizeof (struct IPv4UdpAddress)) &&
(addrlen != sizeof (struct IPv6UdpAddress)))
- {
- GNUNET_break_op (0);
- return GNUNET_SYSERR;
- }
+ {
+ GNUNET_break_op (0);
+ return GNUNET_SYSERR;
+ }
if (addrlen == sizeof (struct IPv4UdpAddress))
- {
- v4 = (struct IPv4UdpAddress *) addr;
- if (GNUNET_OK !=
- check_port (plugin, ntohs (v4->u4_port)))
- return GNUNET_SYSERR;
- if (GNUNET_OK !=
- GNUNET_NAT_test_address (plugin->nat,
- &v4->ipv4_addr, sizeof (struct in_addr)))
- return GNUNET_SYSERR;
- }
+ {
+ v4 = (struct IPv4UdpAddress *) addr;
+ if (GNUNET_OK != check_port (plugin, ntohs (v4->u4_port)))
+ return GNUNET_SYSERR;
+ if (GNUNET_OK !=
+ GNUNET_NAT_test_address (plugin->nat, &v4->ipv4_addr,
+ sizeof (struct in_addr)))
+ return GNUNET_SYSERR;
+ }
else
+ {
+ v6 = (struct IPv6UdpAddress *) addr;
+ if (IN6_IS_ADDR_LINKLOCAL (&v6->ipv6_addr))
{
- v6 = (struct IPv6UdpAddress *) addr;
- if (IN6_IS_ADDR_LINKLOCAL (&v6->ipv6_addr))
- {
- GNUNET_break_op (0);
- return GNUNET_SYSERR;
- }
- if (GNUNET_OK !=
- check_port (plugin, ntohs (v6->u6_port)))
- return GNUNET_SYSERR;
- if (GNUNET_OK !=
- GNUNET_NAT_test_address (plugin->nat,
- &v6->ipv6_addr, sizeof (struct in6_addr)))
- return GNUNET_SYSERR;
+ GNUNET_break_op (0);
+ return GNUNET_SYSERR;
}
+ if (GNUNET_OK != check_port (plugin, ntohs (v6->u6_port)))
+ return GNUNET_SYSERR;
+ if (GNUNET_OK !=
+ GNUNET_NAT_test_address (plugin->nat, &v6->ipv6_addr,
+ sizeof (struct in6_addr)))
+ return GNUNET_SYSERR;
+ }
return GNUNET_OK;
}
* @param addrlen length of the address
* @return string representing the same address
*/
-static const char*
-udp_address_to_string (void *cls,
- const void *addr,
- size_t addrlen)
+static const char *
+udp_address_to_string (void *cls, const void *addr, size_t addrlen)
{
static char rbuf[INET6_ADDRSTRLEN + 10];
char buf[INET6_ADDRSTRLEN];
uint16_t port;
if (addrlen == sizeof (struct IPv6UdpAddress))
- {
- t6 = addr;
- af = AF_INET6;
- port = ntohs (t6->u6_port);
- memcpy (&a6, &t6->ipv6_addr, sizeof (a6));
- sb = &a6;
- }
+ {
+ t6 = addr;
+ af = AF_INET6;
+ port = ntohs (t6->u6_port);
+ memcpy (&a6, &t6->ipv6_addr, sizeof (a6));
+ sb = &a6;
+ }
else if (addrlen == sizeof (struct IPv4UdpAddress))
- {
- t4 = addr;
- af = AF_INET;
- port = ntohs (t4->u4_port);
- memcpy (&a4, &t4->ipv4_addr, sizeof (a4));
- sb = &a4;
- }
+ {
+ t4 = addr;
+ af = AF_INET;
+ port = ntohs (t4->u4_port);
+ memcpy (&a4, &t4->ipv4_addr, sizeof (a4));
+ sb = &a4;
+ }
else
- {
- GNUNET_break_op (0);
- return NULL;
- }
+ {
+ GNUNET_break_op (0);
+ return NULL;
+ }
inet_ntop (af, sb, buf, INET6_ADDRSTRLEN);
- GNUNET_snprintf (rbuf,
- sizeof (rbuf),
- "%s:%u",
- buf,
- port);
+ GNUNET_snprintf (rbuf, sizeof (rbuf), (af == AF_INET6) ? "[%s]:%u" : "%s:%u",
+ buf, port);
return rbuf;
}
char *ret;
if (hostname == NULL)
- {
- ppc->asc (ppc->asc_cls, NULL);
- GNUNET_free (ppc);
- return;
- }
- GNUNET_asprintf (&ret,
- "%s:%d",
- hostname,
- ppc->port);
+ {
+ ppc->asc (ppc->asc_cls, NULL);
+ GNUNET_free (ppc);
+ return;
+ }
+ GNUNET_asprintf (&ret, "%s:%d", hostname, ppc->port);
ppc->asc (ppc->asc_cls, ret);
GNUNET_free (ret);
}
* @param asc_cls closure for asc
*/
static void
-udp_plugin_address_pretty_printer (void *cls,
- const char *type,
- const void *addr,
- size_t addrlen,
+udp_plugin_address_pretty_printer (void *cls, const char *type,
+ const void *addr, size_t addrlen,
int numeric,
struct GNUNET_TIME_Relative timeout,
GNUNET_TRANSPORT_AddressStringCallback asc,
uint16_t port;
if (addrlen == sizeof (struct IPv6UdpAddress))
- {
- u6 = addr;
- memset (&a6, 0, sizeof (a6));
- a6.sin6_family = AF_INET6;
+ {
+ u6 = addr;
+ memset (&a6, 0, sizeof (a6));
+ a6.sin6_family = AF_INET6;
#if HAVE_SOCKADDR_IN_SIN_LEN
- a6.sin6_len = sizeof (a6);
+ a6.sin6_len = sizeof (a6);
#endif
- a6.sin6_port = u6->u6_port;
- memcpy (&a6.sin6_addr,
- &u6->ipv6_addr,
- sizeof (struct in6_addr));
- port = ntohs (u6->u6_port);
- sb = &a6;
- sbs = sizeof (a6);
- }
+ a6.sin6_port = u6->u6_port;
+ memcpy (&a6.sin6_addr, &u6->ipv6_addr, sizeof (struct in6_addr));
+ port = ntohs (u6->u6_port);
+ sb = &a6;
+ sbs = sizeof (a6);
+ }
else if (addrlen == sizeof (struct IPv4UdpAddress))
- {
- u4 = addr;
- memset (&a4, 0, sizeof (a4));
- a4.sin_family = AF_INET;
+ {
+ u4 = addr;
+ memset (&a4, 0, sizeof (a4));
+ a4.sin_family = AF_INET;
#if HAVE_SOCKADDR_IN_SIN_LEN
- a4.sin_len = sizeof (a4);
+ a4.sin_len = sizeof (a4);
#endif
- a4.sin_port = u4->u4_port;
- a4.sin_addr.s_addr = u4->ipv4_addr;
- port = ntohs (u4->u4_port);
- sb = &a4;
- sbs = sizeof (a4);
- }
+ a4.sin_port = u4->u4_port;
+ a4.sin_addr.s_addr = u4->ipv4_addr;
+ port = ntohs (u4->u4_port);
+ sb = &a4;
+ sbs = sizeof (a4);
+ }
else
- {
- /* invalid address */
- GNUNET_break_op (0);
- asc (asc_cls, NULL);
- return;
- }
+ {
+ /* invalid address */
+ GNUNET_break_op (0);
+ asc (asc_cls, NULL);
+ return;
+ }
ppc = GNUNET_malloc (sizeof (struct PrettyPrinterContext));
ppc->asc = asc;
ppc->asc_cls = asc_cls;
ppc->port = port;
- GNUNET_RESOLVER_hostname_get (sb,
- sbs,
- !numeric, timeout,
- &append_port, ppc);
+ GNUNET_RESOLVER_hostname_get (sb, sbs, !numeric, timeout, &append_port, ppc);
}
* @param addrlen actual lenght of the address
*/
static void
-udp_nat_port_map_callback (void *cls,
- int add_remove,
- const struct sockaddr *addr,
- socklen_t addrlen)
+udp_nat_port_map_callback (void *cls, int add_remove,
+ const struct sockaddr *addr, socklen_t addrlen)
{
struct Plugin *plugin = cls;
struct IPv4UdpAddress u4;
/* convert 'addr' to our internal format */
switch (addr->sa_family)
- {
- case AF_INET:
- GNUNET_assert (addrlen == sizeof (struct sockaddr_in));
- u4.ipv4_addr = ((struct sockaddr_in *) addr)->sin_addr.s_addr;
- u4.u4_port = ((struct sockaddr_in *) addr)->sin_port;
- arg = &u4;
- args = sizeof (u4);
- break;
- case AF_INET6:
- GNUNET_assert (addrlen == sizeof (struct sockaddr_in6));
- memcpy (&u6.ipv6_addr,
- &((struct sockaddr_in6 *) addr)->sin6_addr,
- sizeof (struct in6_addr));
- u6.u6_port = ((struct sockaddr_in6 *) addr)->sin6_port;
- arg = &u6;
- args = sizeof (u6);
- break;
- default:
- GNUNET_break (0);
- return;
- }
+ {
+ case AF_INET:
+ GNUNET_assert (addrlen == sizeof (struct sockaddr_in));
+ u4.ipv4_addr = ((struct sockaddr_in *) addr)->sin_addr.s_addr;
+ u4.u4_port = ((struct sockaddr_in *) addr)->sin_port;
+ arg = &u4;
+ args = sizeof (u4);
+ break;
+ case AF_INET6:
+ GNUNET_assert (addrlen == sizeof (struct sockaddr_in6));
+ memcpy (&u6.ipv6_addr, &((struct sockaddr_in6 *) addr)->sin6_addr,
+ sizeof (struct in6_addr));
+ u6.u6_port = ((struct sockaddr_in6 *) addr)->sin6_port;
+ arg = &u6;
+ args = sizeof (u6);
+ break;
+ default:
+ GNUNET_break (0);
+ return;
+ }
/* modify our published address list */
- plugin->env->notify_address (plugin->env->cls,
- add_remove,
- arg, args);
+ plugin->env->notify_address (plugin->env->cls, add_remove, arg, args);
}
unsigned long long udp_max_bps;
if (GNUNET_OK !=
- GNUNET_CONFIGURATION_get_value_number (env->cfg,
- "transport-udp",
- "PORT",
- &port))
+ GNUNET_CONFIGURATION_get_value_number (env->cfg, "transport-udp", "PORT",
+ &port))
port = 2086;
if (GNUNET_OK !=
- GNUNET_CONFIGURATION_get_value_number (env->cfg,
- "transport-udp",
- "MAX_BPS",
- &udp_max_bps))
- udp_max_bps = 1024 * 1024 * 50; /* 50 MB/s == infinity for practical purposes */
+ GNUNET_CONFIGURATION_get_value_number (env->cfg, "transport-udp",
+ "MAX_BPS", &udp_max_bps))
+ udp_max_bps = 1024 * 1024 * 50; /* 50 MB/s == infinity for practical purposes */
if (GNUNET_OK !=
- GNUNET_CONFIGURATION_get_value_number (env->cfg,
- "transport-udp",
- "ADVERTISED_PORT",
- &aport))
+ GNUNET_CONFIGURATION_get_value_number (env->cfg, "transport-udp",
+ "ADVERTISED_PORT", &aport))
aport = port;
if (port > 65535)
- {
- GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
- _("Given `%s' option is out of range: %llu > %u\n"),
- "PORT",
- port,
- 65535);
- return NULL;
- }
+ {
+ LOG (GNUNET_ERROR_TYPE_WARNING,
+ _("Given `%s' option is out of range: %llu > %u\n"), "PORT",
+ port, 65535);
+ return NULL;
+ }
memset (&serverAddrv6, 0, sizeof (serverAddrv6));
memset (&serverAddrv4, 0, sizeof (serverAddrv4));
plugin = GNUNET_malloc (sizeof (struct Plugin));
GNUNET_BANDWIDTH_tracker_init (&plugin->tracker,
- GNUNET_BANDWIDTH_value_init ((uint32_t) udp_max_bps),
- 30);
+ GNUNET_BANDWIDTH_value_init ((uint32_t)
+ udp_max_bps), 30);
plugin->last_expected_delay = GNUNET_TIME_UNIT_SECONDS;
plugin->port = port;
plugin->aport = aport;
api->address_to_string = &udp_address_to_string;
api->check_address = &udp_plugin_check_address;
- if (GNUNET_YES == GNUNET_CONFIGURATION_get_value_string(env->cfg,
- "transport-udp",
- "BINDTO",
- &plugin->bind4_address))
+ if (GNUNET_YES ==
+ GNUNET_CONFIGURATION_get_value_string (env->cfg, "transport-udp",
+ "BINDTO", &plugin->bind4_address))
+ {
+ LOG (GNUNET_ERROR_TYPE_DEBUG,
+ "Binding udp plugin to specific address: `%s'\n",
+ plugin->bind4_address);
+ if (1 != inet_pton (AF_INET, plugin->bind4_address, &serverAddrv4.sin_addr))
{
- GNUNET_log(GNUNET_ERROR_TYPE_DEBUG,
- "Binding udp plugin to specific address: `%s'\n",
- plugin->bind4_address);
- if (1 != inet_pton(AF_INET,
- plugin->bind4_address,
- &serverAddrv4.sin_addr))
- {
- GNUNET_free (plugin->bind4_address);
- GNUNET_free (plugin);
- GNUNET_free (api);
- return NULL;
- }
+ GNUNET_free (plugin->bind4_address);
+ GNUNET_free (plugin);
+ GNUNET_free (api);
+ return NULL;
}
-
- if (GNUNET_YES == GNUNET_CONFIGURATION_get_value_string(env->cfg,
- "transport-udp",
- "BINDTO6",
- &plugin->bind6_address))
+ }
+
+ if (GNUNET_YES ==
+ GNUNET_CONFIGURATION_get_value_string (env->cfg, "transport-udp",
+ "BINDTO6", &plugin->bind6_address))
+ {
+ LOG (GNUNET_ERROR_TYPE_DEBUG,
+ "Binding udp plugin to specific address: `%s'\n",
+ plugin->bind6_address);
+ if (1 !=
+ inet_pton (AF_INET6, plugin->bind6_address, &serverAddrv6.sin6_addr))
{
- GNUNET_log(GNUNET_ERROR_TYPE_DEBUG,
- "Binding udp plugin to specific address: `%s'\n",
- plugin->bind6_address);
- if (1 != inet_pton(AF_INET6,
- plugin->bind6_address,
- &serverAddrv6.sin6_addr))
- {
- GNUNET_log(GNUNET_ERROR_TYPE_ERROR,
- _("Invalid IPv6 address: `%s'\n"),
- plugin->bind6_address);
- GNUNET_free_non_null (plugin->bind4_address);
- GNUNET_free (plugin->bind6_address);
- GNUNET_free (plugin);
- return NULL;
- }
+ LOG (GNUNET_ERROR_TYPE_ERROR, _("Invalid IPv6 address: `%s'\n"),
+ plugin->bind6_address);
+ GNUNET_free_non_null (plugin->bind4_address);
+ GNUNET_free (plugin->bind6_address);
+ GNUNET_free (plugin);
+ GNUNET_free (api);
+ return NULL;
}
-
- plugin->defrags = GNUNET_CONTAINER_heap_create (GNUNET_CONTAINER_HEAP_ORDER_MIN);
- plugin->sessions = GNUNET_CONTAINER_multihashmap_create (UDP_MAX_SENDER_ADDRESSES_WITH_DEFRAG * 2);
+ }
+
+ plugin->defrags =
+ GNUNET_CONTAINER_heap_create (GNUNET_CONTAINER_HEAP_ORDER_MIN);
+ plugin->sessions =
+ GNUNET_CONTAINER_multihashmap_create (UDP_MAX_SENDER_ADDRESSES_WITH_DEFRAG
+ * 2);
+ plugin->inbound_sessions =
+ GNUNET_CONTAINER_multihashmap_create (UDP_MAX_SENDER_ADDRESSES_WITH_DEFRAG
+ * 2);
sockets_created = 0;
- if ( (GNUNET_YES !=
- GNUNET_CONFIGURATION_get_value_yesno (plugin->env->cfg,
- "nat",
- "DISABLEV6")))
+ if ((GNUNET_YES !=
+ GNUNET_CONFIGURATION_get_value_yesno (plugin->env->cfg, "nat",
+ "DISABLEV6")))
+ {
+ plugin->sockv6 = GNUNET_NETWORK_socket_create (PF_INET6, SOCK_DGRAM, 0);
+ if (NULL == plugin->sockv6)
+ {
+ GNUNET_log_strerror (GNUNET_ERROR_TYPE_WARNING, "socket");
+ }
+ else
{
- plugin->sockv6 = GNUNET_NETWORK_socket_create (PF_INET6, SOCK_DGRAM, 0);
- if (NULL == plugin->sockv6)
- {
- GNUNET_log_strerror (GNUNET_ERROR_TYPE_WARNING, "socket");
- }
- else
- {
#if HAVE_SOCKADDR_IN_SIN_LEN
- serverAddrv6.sin6_len = sizeof (serverAddrv6);
+ serverAddrv6.sin6_len = sizeof (serverAddrv6);
#endif
- serverAddrv6.sin6_family = AF_INET6;
- serverAddrv6.sin6_addr = in6addr_any;
- serverAddrv6.sin6_port = htons (plugin->port);
- addrlen = sizeof (serverAddrv6);
- serverAddr = (struct sockaddr *) &serverAddrv6;
+ serverAddrv6.sin6_family = AF_INET6;
+ serverAddrv6.sin6_addr = in6addr_any;
+ serverAddrv6.sin6_port = htons (plugin->port);
+ addrlen = sizeof (serverAddrv6);
+ serverAddr = (struct sockaddr *) &serverAddrv6;
#if DEBUG_UDP
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
- "Binding to IPv6 port %d\n",
- ntohs(serverAddrv6.sin6_port));
+ LOG (GNUNET_ERROR_TYPE_DEBUG, "Binding to IPv6 port %d\n",
+ ntohs (serverAddrv6.sin6_port));
#endif
- tries = 0;
- while (GNUNET_NETWORK_socket_bind (plugin->sockv6,
- serverAddr, addrlen) !=
- GNUNET_OK)
- {
- serverAddrv6.sin6_port
- = htons (GNUNET_CRYPTO_random_u32(GNUNET_CRYPTO_QUALITY_STRONG, 33537) + 32000); /* Find a good, non-root port */
+ tries = 0;
+ while (GNUNET_NETWORK_socket_bind (plugin->sockv6, serverAddr, addrlen) !=
+ GNUNET_OK)
+ {
+ serverAddrv6.sin6_port = htons (GNUNET_CRYPTO_random_u32 (GNUNET_CRYPTO_QUALITY_STRONG, 33537) + 32000); /* Find a good, non-root port */
#if DEBUG_UDP
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
- "IPv6 Binding failed, trying new port %d\n",
- ntohs(serverAddrv6.sin6_port));
+ LOG (GNUNET_ERROR_TYPE_DEBUG,
+ "IPv6 Binding failed, trying new port %d\n",
+ ntohs (serverAddrv6.sin6_port));
#endif
- tries++;
- if (tries > 10)
- {
- GNUNET_NETWORK_socket_close (plugin->sockv6);
- plugin->sockv6 = NULL;
- break;
- }
- }
- if (plugin->sockv6 != NULL)
- {
- addrs[sockets_created] = (struct sockaddr*) &serverAddrv6;
- addrlens[sockets_created] = sizeof (serverAddrv6);
- sockets_created++;
- }
- }
+ tries++;
+ if (tries > 10)
+ {
+ GNUNET_NETWORK_socket_close (plugin->sockv6);
+ plugin->sockv6 = NULL;
+ break;
+ }
+ }
+ if (plugin->sockv6 != NULL)
+ {
+ addrs[sockets_created] = (struct sockaddr *) &serverAddrv6;
+ addrlens[sockets_created] = sizeof (serverAddrv6);
+ sockets_created++;
+ }
}
+ }
- plugin->mst = GNUNET_SERVER_mst_create (&process_inbound_tokenized_messages,
- plugin);
+ plugin->mst =
+ GNUNET_SERVER_mst_create (&process_inbound_tokenized_messages, plugin);
plugin->sockv4 = GNUNET_NETWORK_socket_create (PF_INET, SOCK_DGRAM, 0);
if (NULL == plugin->sockv4)
- {
- GNUNET_log_strerror (GNUNET_ERROR_TYPE_WARNING, "socket");
- }
+ {
+ GNUNET_log_strerror (GNUNET_ERROR_TYPE_WARNING, "socket");
+ }
else
- {
+ {
#if HAVE_SOCKADDR_IN_SIN_LEN
- serverAddrv4.sin_len = sizeof (serverAddrv4);
+ serverAddrv4.sin_len = sizeof (serverAddrv4);
#endif
- serverAddrv4.sin_family = AF_INET;
- serverAddrv4.sin_addr.s_addr = INADDR_ANY;
- serverAddrv4.sin_port = htons (plugin->port);
- addrlen = sizeof (serverAddrv4);
- serverAddr = (struct sockaddr *) &serverAddrv4;
+ serverAddrv4.sin_family = AF_INET;
+ serverAddrv4.sin_addr.s_addr = INADDR_ANY;
+ serverAddrv4.sin_port = htons (plugin->port);
+ addrlen = sizeof (serverAddrv4);
+ serverAddr = (struct sockaddr *) &serverAddrv4;
#if DEBUG_UDP
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
- "Binding to IPv4 port %d\n",
- ntohs(serverAddrv4.sin_port));
+ LOG (GNUNET_ERROR_TYPE_DEBUG, "Binding to IPv4 port %d\n",
+ ntohs (serverAddrv4.sin_port));
#endif
- tries = 0;
- while (GNUNET_NETWORK_socket_bind (plugin->sockv4, serverAddr, addrlen) !=
- GNUNET_OK)
- {
- serverAddrv4.sin_port = htons (GNUNET_CRYPTO_random_u32(GNUNET_CRYPTO_QUALITY_STRONG, 33537) + 32000); /* Find a good, non-root port */
+ tries = 0;
+ while (GNUNET_NETWORK_socket_bind (plugin->sockv4, serverAddr, addrlen) !=
+ GNUNET_OK)
+ {
+ serverAddrv4.sin_port = htons (GNUNET_CRYPTO_random_u32 (GNUNET_CRYPTO_QUALITY_STRONG, 33537) + 32000); /* Find a good, non-root port */
#if DEBUG_UDP
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
- "IPv4 Binding failed, trying new port %d\n",
- ntohs(serverAddrv4.sin_port));
+ LOG (GNUNET_ERROR_TYPE_DEBUG,
+ "IPv4 Binding failed, trying new port %d\n",
+ ntohs (serverAddrv4.sin_port));
#endif
- tries++;
- if (tries > 10)
- {
- GNUNET_NETWORK_socket_close (plugin->sockv4);
- plugin->sockv4 = NULL;
- break;
- }
- }
- if (plugin->sockv4 != NULL)
- {
- addrs[sockets_created] = (struct sockaddr*) &serverAddrv4;
- addrlens[sockets_created] = sizeof (serverAddrv4);
- sockets_created++;
- }
+ tries++;
+ if (tries > 10)
+ {
+ GNUNET_NETWORK_socket_close (plugin->sockv4);
+ plugin->sockv4 = NULL;
+ break;
+ }
+ }
+ if (plugin->sockv4 != NULL)
+ {
+ addrs[sockets_created] = (struct sockaddr *) &serverAddrv4;
+ addrlens[sockets_created] = sizeof (serverAddrv4);
+ sockets_created++;
}
+ }
plugin->rs = GNUNET_NETWORK_fdset_create ();
GNUNET_NETWORK_fdset_zero (plugin->rs);
if (NULL != plugin->sockv4)
- GNUNET_NETWORK_fdset_set (plugin->rs,
- plugin->sockv4);
+ GNUNET_NETWORK_fdset_set (plugin->rs, plugin->sockv4);
if (NULL != plugin->sockv6)
- GNUNET_NETWORK_fdset_set (plugin->rs,
- plugin->sockv6);
+ GNUNET_NETWORK_fdset_set (plugin->rs, plugin->sockv6);
plugin->select_task =
- GNUNET_SCHEDULER_add_select (GNUNET_SCHEDULER_PRIORITY_DEFAULT,
- GNUNET_SCHEDULER_NO_TASK,
- GNUNET_TIME_UNIT_FOREVER_REL, plugin->rs,
- NULL, &udp_plugin_select, plugin);
+ GNUNET_SCHEDULER_add_select (GNUNET_SCHEDULER_PRIORITY_DEFAULT,
+ GNUNET_SCHEDULER_NO_TASK,
+ GNUNET_TIME_UNIT_FOREVER_REL, plugin->rs,
+ NULL, &udp_plugin_select, plugin);
if (sockets_created == 0)
- GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
- _("Failed to open UDP sockets\n"));
- plugin->nat = GNUNET_NAT_register (env->cfg,
- GNUNET_NO,
- port,
- sockets_created,
- (const struct sockaddr**) addrs, addrlens,
- &udp_nat_port_map_callback,
- NULL,
- plugin);
+ GNUNET_log (GNUNET_ERROR_TYPE_WARNING, _("Failed to open UDP sockets\n"));
+ plugin->nat =
+ GNUNET_NAT_register (env->cfg, GNUNET_NO, port, sockets_created,
+ (const struct sockaddr **) addrs, addrlens,
+ &udp_nat_port_map_callback, NULL, plugin);
return api;
}
-
-/**
- * Destroy a session, plugin is being unloaded.
- *
- * @param cls unused
- * @param key hash of public key of target peer
- * @param value a 'struct PeerSession*' to clean up
- * @return GNUNET_OK (continue to iterate)
- */
-static int
-destroy_session (void *cls,
- const GNUNET_HashCode *key,
- void *value)
-{
- struct PeerSession *peer_session = value;
-
- GNUNET_FRAGMENT_context_destroy (peer_session->frag);
- GNUNET_free (peer_session);
- return GNUNET_OK;
-}
-
-
/**
* Shutdown the plugin.
*
struct ReceiveContext *rc;
/* FIXME: clean up heap and hashmap */
- GNUNET_CONTAINER_multihashmap_iterate (plugin->sessions,
- &destroy_session,
- NULL);
+ GNUNET_CONTAINER_multihashmap_iterate (plugin->sessions, &destroy_session,
+ NULL);
GNUNET_CONTAINER_multihashmap_destroy (plugin->sessions);
plugin->sessions = NULL;
+ GNUNET_CONTAINER_multihashmap_iterate (plugin->inbound_sessions, &destroy_inbound_session,
+ NULL);
+ GNUNET_CONTAINER_multihashmap_destroy (plugin->inbound_sessions);
+ plugin->inbound_sessions = NULL;
while (NULL != (rc = GNUNET_CONTAINER_heap_remove_root (plugin->defrags)))
- {
- GNUNET_DEFRAGMENT_context_destroy (rc->defrag);
- GNUNET_free (rc);
- }
+ {
+ GNUNET_DEFRAGMENT_context_destroy (rc->defrag);
+ GNUNET_free (rc);
+ }
GNUNET_CONTAINER_heap_destroy (plugin->defrags);
-
+
if (plugin->select_task != GNUNET_SCHEDULER_NO_TASK)
- {
- GNUNET_SCHEDULER_cancel (plugin->select_task);
- plugin->select_task = GNUNET_SCHEDULER_NO_TASK;
- }
+ {
+ GNUNET_SCHEDULER_cancel (plugin->select_task);
+ plugin->select_task = GNUNET_SCHEDULER_NO_TASK;
+ }
if (plugin->sockv4 != NULL)
- {
- GNUNET_break (GNUNET_OK == GNUNET_NETWORK_socket_close (plugin->sockv4));
- plugin->sockv4 = NULL;
- }
+ {
+ GNUNET_break (GNUNET_OK == GNUNET_NETWORK_socket_close (plugin->sockv4));
+ plugin->sockv4 = NULL;
+ }
if (plugin->sockv6 != NULL)
- {
- GNUNET_break (GNUNET_OK == GNUNET_NETWORK_socket_close (plugin->sockv6));
- plugin->sockv6 = NULL;
- }
+ {
+ GNUNET_break (GNUNET_OK == GNUNET_NETWORK_socket_close (plugin->sockv6));
+ plugin->sockv6 = NULL;
+ }
GNUNET_SERVER_mst_destroy (plugin->mst);
GNUNET_NETWORK_fdset_destroy (plugin->rs);
GNUNET_NAT_unregister (plugin->nat);
projects / oweals / gnunet.git / blobdiff