}
+/**
+ * Function called to convert a string address to
+ * a binary address.
+ *
+ * @param cls closure ('struct Plugin*')
+ * @param addr string address
+ * @param addrlen length of the address
+ * @param buf location to store the buffer
+ * @param added location to store the number of bytes in the buffer.
+ * If the function returns GNUNET_SYSERR, its contents are undefined.
+ * @return GNUNET_OK on success, GNUNET_SYSERR on failure
+ */
+int
+udp_string_to_address (void *cls, const char *addr, uint16_t addrlen,
+ void **buf, size_t *added)
+{
+ struct sockaddr_storage socket_address;
+ int ret = GNUNET_STRINGS_to_address_ip (addr, addrlen,
+ &socket_address);
+
+ if (ret != GNUNET_OK)
+ return GNUNET_SYSERR;
+
+ if (socket_address.ss_family == AF_INET)
+ {
+ struct IPv4UdpAddress *u4;
+ struct sockaddr_in *in4 = (struct sockaddr_in *) &socket_address;
+ u4 = GNUNET_malloc (sizeof (struct IPv4UdpAddress));
+ u4->ipv4_addr = in4->sin_addr.s_addr;
+ u4->u4_port = in4->sin_port;
+ *buf = u4;
+ *added = sizeof (struct IPv4UdpAddress);
+ }
+ else if (socket_address.ss_family == AF_INET6)
+ {
+ struct IPv6UdpAddress *u6;
+ struct sockaddr_in6 *in6 = (struct sockaddr_in6 *) &socket_address;
+ u6 = GNUNET_malloc (sizeof (struct IPv6UdpAddress));
+ u6->ipv6_addr = in6->sin6_addr;
+ u6->u6_port = in6->sin6_port;
+ *buf = u6;
+ *added = sizeof (struct IPv6UdpAddress);
+ }
+ return GNUNET_SYSERR;
+}
+
+
/**
* Append our port and forward the result.
*
{
struct Session * s = NULL;
struct Plugin * plugin = cls;
+ struct IPv6UdpAddress * udp_a6;
+ struct IPv4UdpAddress * udp_a4;
GNUNET_assert (plugin != NULL);
GNUNET_assert (address != NULL);
return NULL;
}
- if ((address->address_length == sizeof (struct IPv4UdpAddress)) &&
- (plugin->sockv4 == NULL))
- return NULL;
-
- if ((address->address_length == sizeof (struct IPv6UdpAddress)) &&
- (plugin->sockv6 == NULL))
- return NULL;
+ if (address->address_length == sizeof (struct IPv4UdpAddress))
+ {
+ if (plugin->sockv4 == NULL)
+ return NULL;
+ udp_a4 = (struct IPv4UdpAddress *) address->address;
+ if (udp_a4->u4_port == 0)
+ return NULL;
+ }
+ if (address->address_length == sizeof (struct IPv6UdpAddress))
+ {
+ if (plugin->sockv6 == NULL)
+ return NULL;
+ udp_a6 = (struct IPv6UdpAddress *) address->address;
+ if (udp_a6->u6_port == 0)
+ return NULL;
+ }
/* check if session already exists */
struct SessionCompareContext cctx;
&l_ctx);
s = l_ctx.res;
- GNUNET_assert (s != NULL);
+ if (NULL == s)
+ return;
if (s->flow_delay_for_other_peer.rel_value <= UINT32_MAX)
delay = s->flow_delay_for_other_peer.rel_value;
udpw = plugin->ipv6_queue_head;
}
else
+ {
GNUNET_break (0);
+ return 0;
+ }
const struct sockaddr * sa = udpw->session->sock_addr;
slen = udpw->session->addrlen;
udpw = udpw->next;
}
}
-
}
if (udpw == NULL)
if (GNUNET_SYSERR == sent)
{
- GNUNET_log_strerror (GNUNET_ERROR_TYPE_ERROR, "sendto");
+ LOG (GNUNET_ERROR_TYPE_ERROR,
+ "UDP could not transmit %u-byte message to `%s': `%s'\n",
+ (unsigned int) (udpw->msg_size), GNUNET_a2s (sa, slen),
+ STRERROR (errno));
+ if (udpw->cont != NULL)
+ udpw->cont (udpw->cont_cls, &udpw->session->target, GNUNET_SYSERR);
+ }
+ else
+ {
LOG (GNUNET_ERROR_TYPE_DEBUG,
- "UDP transmitted %u-byte message to %s (%d: %s)\n",
+ "UDP transmitted %u-byte message to `%s' (%d: %s)\n",
(unsigned int) (udpw->msg_size), GNUNET_a2s (sa, slen), (int) sent,
(sent < 0) ? STRERROR (errno) : "ok");
- if (udpw->cont != NULL)
- udpw->cont (udpw->cont_cls, &udpw->session->target, GNUNET_SYSERR);
}
- LOG (GNUNET_ERROR_TYPE_DEBUG,
- "UDP transmitted %u-byte message to %s (%d: %s)\n",
- (unsigned int) (udpw->msg_size), GNUNET_a2s (sa, slen), (int) sent,
- (sent < 0) ? STRERROR (errno) : "ok");
-
/* This was just a message fragment */
if (udpw->frag_ctx != NULL)
{
int res;
+ if (NULL == env->receive)
+ {
+ /* run in 'stub' mode (i.e. as part of gnunet-peerinfo), don't fully
+ initialze the plugin or the API */
+ api = GNUNET_malloc (sizeof (struct GNUNET_TRANSPORT_PluginFunctions));
+ api->cls = NULL;
+ api->address_pretty_printer = &udp_plugin_address_pretty_printer;
+ api->address_to_string = &udp_address_to_string;
+ api->string_to_address = &udp_string_to_address;
+ return api;
+ }
+
/* Get port number */
if (GNUNET_OK !=
GNUNET_CONFIGURATION_get_value_number (env->cfg, "transport-udp", "PORT",
api->disconnect = &udp_disconnect;
api->address_pretty_printer = &udp_plugin_address_pretty_printer;
api->address_to_string = &udp_address_to_string;
+ api->string_to_address = &udp_string_to_address;
api->check_address = &udp_plugin_check_address;
api->get_session = &udp_plugin_get_session;
api->send = &udp_plugin_send;
return api;
}
-int heap_cleanup_iterator (void *cls,
- struct GNUNET_CONTAINER_HeapNode *
- node, void *element,
- GNUNET_CONTAINER_HeapCostType
- cost)
+
+static int
+heap_cleanup_iterator (void *cls,
+ struct GNUNET_CONTAINER_HeapNode *
+ node, void *element,
+ GNUNET_CONTAINER_HeapCostType
+ cost)
{
struct DefragContext * d_ctx = element;
* returns the udp transport API.
*
* @param cls our 'struct GNUNET_TRANSPORT_PluginEnvironment'
- * @return our 'struct GNUNET_TRANSPORT_PluginFunctions'
+ * @return NULL
*/
void *
libgnunet_plugin_transport_udp_done (void *cls)
{
struct GNUNET_TRANSPORT_PluginFunctions *api = cls;
struct Plugin *plugin = api->cls;
+
+ if (NULL == plugin)
+ {
+ GNUNET_free (api);
+ return NULL;
+ }
+
stop_broadcast (plugin);
if (plugin->select_task != GNUNET_SCHEDULER_NO_TASK)