From: Christian Grothoff Date: Sun, 27 May 2012 16:52:17 +0000 (+0000) Subject: -some code cleanup X-Git-Tag: initial-import-from-subversion-38251~13399 X-Git-Url: https://git.librecmc.org/?a=commitdiff_plain;h=9d398608d565f1c15faeb9755a8a3f06e7ccfbfb;p=oweals%2Fgnunet.git -some code cleanup --- diff --git a/src/transport/plugin_transport_udp.c b/src/transport/plugin_transport_udp.c index 5b133951b..45387cfc8 100644 --- a/src/transport/plugin_transport_udp.c +++ b/src/transport/plugin_transport_udp.c @@ -93,13 +93,13 @@ struct Session */ struct GNUNET_PeerIdentity target; + struct FragmentationContext * frag_ctx; + /** * Address of the other peer */ const struct sockaddr *sock_addr; - size_t addrlen; - /** * Desired delay for next sending we send to other peer */ @@ -122,7 +122,8 @@ struct Session struct GNUNET_ATS_Information ats; - struct FragmentationContext * frag_ctx; + size_t addrlen; + unsigned int rc; @@ -152,12 +153,12 @@ struct SourceInformation */ const void *arg; + struct Session *session; /** * Number of bytes in source address. */ size_t args; - struct Session *session; }; @@ -176,12 +177,13 @@ struct FindReceiveContext */ const struct sockaddr *addr; + struct Session *session; + /** * Number of bytes in 'addr'. */ socklen_t addr_len; - struct Session *session; }; @@ -234,9 +236,6 @@ struct FragmentationContext struct GNUNET_FRAGMENT_Context * frag; struct Session * session; - struct GNUNET_TIME_Absolute timeout; - - /** * Function to call upon completion of the transmission. */ @@ -247,6 +246,8 @@ struct FragmentationContext */ void *cont_cls; + struct GNUNET_TIME_Absolute timeout; + size_t bytes_to_send; }; @@ -257,9 +258,6 @@ struct UDPMessageWrapper struct UDPMessageWrapper *prev; struct UDPMessageWrapper *next; char *udp; - size_t msg_size; - - struct GNUNET_TIME_Absolute timeout; /** * Function to call upon completion of the transmission. @@ -273,6 +271,9 @@ struct UDPMessageWrapper struct FragmentationContext *frag_ctx; + size_t msg_size; + + struct GNUNET_TIME_Absolute timeout; }; @@ -315,6 +316,7 @@ struct Plugin * plugin; static void udp_plugin_select (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc); + /** * We have been notified that our readset has something to read. We don't * know which socket needs to be read, so we have to check each one @@ -326,6 +328,7 @@ udp_plugin_select (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc); static void udp_plugin_select_v6 (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc); + /** * Start session timeout */ @@ -410,13 +413,13 @@ udp_address_to_string (void *cls, const void *addr, size_t addrlen) * If the function returns GNUNET_SYSERR, its contents are undefined. * @return GNUNET_OK on success, GNUNET_SYSERR on failure */ -int +static int udp_string_to_address (void *cls, const char *addr, uint16_t addrlen, void **buf, size_t *added) { struct sockaddr_storage socket_address; - - if ((NULL == addr) || (addrlen == 0)) + + if ((NULL == addr) || (0 == addrlen)) { GNUNET_break (0); return GNUNET_SYSERR; @@ -432,37 +435,40 @@ udp_string_to_address (void *cls, const char *addr, uint16_t addrlen, return GNUNET_SYSERR; } - int ret = GNUNET_STRINGS_to_address_ip (addr, strlen (addr), - &socket_address); - - if (ret != GNUNET_OK) + if (GNUNET_OK != GNUNET_STRINGS_to_address_ip (addr, strlen (addr), + &socket_address)) { 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); - return GNUNET_OK; - } - else if (socket_address.ss_family == AF_INET6) + switch (socket_address.ss_family) { - 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_OK; + case 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); + return GNUNET_OK; + } + case 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_OK; + } + default: + GNUNET_break (0); + return GNUNET_SYSERR; } - return GNUNET_SYSERR; } @@ -569,10 +575,11 @@ udp_plugin_address_pretty_printer (void *cls, const char *type, GNUNET_RESOLVER_hostname_get (sb, sbs, !numeric, timeout, &append_port, ppc); } + static void call_continuation (struct UDPMessageWrapper *udpw, int result) { - GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, + LOG (GNUNET_ERROR_TYPE_DEBUG, "Calling continuation for %u byte message to `%s' with result %s\n", udpw->msg_size, GNUNET_i2s (&udpw->session->target), (GNUNET_OK == result) ? "OK" : "SYSERR"); @@ -583,6 +590,7 @@ call_continuation (struct UDPMessageWrapper *udpw, int result) } + /** * Check if the given port is plausible (must be either our listen * port or our advertised port). If it is neither, we return @@ -601,7 +609,6 @@ check_port (struct Plugin *plugin, uint16_t in_port) } - /** * Function that will be called to check if a binary address for this * plugin is well-formed and corresponds to an address for THIS peer @@ -728,7 +735,7 @@ disconnect_session (struct Session *s) if (NULL != s->frag_ctx->cont) { s->frag_ctx->cont (s->frag_ctx->cont_cls, &s->target, GNUNET_SYSERR); - GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, + LOG (GNUNET_ERROR_TYPE_DEBUG, "Calling continuation for fragemented message to `%s' with result SYSERR\n", GNUNET_i2s (&s->target)); } @@ -784,6 +791,7 @@ udp_disconnect (void *cls, const struct GNUNET_PeerIdentity *target) GNUNET_CONTAINER_multihashmap_get_multiple (plugin->sessions, &target->hashPubKey, &disconnect_and_free_it, plugin); } + static struct Session * create_session (struct Plugin *plugin, const struct GNUNET_PeerIdentity *target, const void *addr, size_t addrlen, @@ -863,12 +871,9 @@ session_cmp_it (void *cls, socklen_t s_addrlen = s->addrlen; -#if VERBOSE_UDP - GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Comparing address %s <-> %s\n", + LOG (GNUNET_ERROR_TYPE_DEBUG, "Comparing address %s <-> %s\n", udp_address_to_string (NULL, (void *) address->address, address->address_length), GNUNET_a2s (s->sock_addr, s->addrlen)); -#endif - if ((address->address_length == sizeof (struct IPv4UdpAddress)) && (s_addrlen == sizeof (struct sockaddr_in))) { @@ -896,8 +901,6 @@ session_cmp_it (void *cls, return GNUNET_NO; } } - - return GNUNET_YES; } @@ -953,15 +956,14 @@ udp_plugin_get_session (void *cls, struct SessionCompareContext cctx; cctx.addr = address; cctx.res = NULL; -#if VERBOSE_UDP - GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Looking for existing session for peer `%s' `%s' \n", GNUNET_i2s (&address->peer), udp_address_to_string(NULL, address->address, address->address_length)); -#endif + LOG (GNUNET_ERROR_TYPE_DEBUG, + "Looking for existing session for peer `%s' `%s' \n", + GNUNET_i2s (&address->peer), + udp_address_to_string(NULL, address->address, address->address_length)); GNUNET_CONTAINER_multihashmap_get_multiple(plugin->sessions, &address->peer.hashPubKey, session_cmp_it, &cctx); if (cctx.res != NULL) { -#if VERBOSE_UDP - GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Found existing session %p\n", cctx.res); -#endif + LOG (GNUNET_ERROR_TYPE_DEBUG, "Found existing session %p\n", cctx.res); return cctx.res; } @@ -971,13 +973,11 @@ udp_plugin_get_session (void *cls, address->address, address->address_length, NULL, NULL); -#if VERBOSE - GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, - "Creating new session %p for peer `%s' address `%s'\n", - s, - GNUNET_i2s(&address->peer), - udp_address_to_string(NULL,address->address,address->address_length)); -#endif + LOG (GNUNET_ERROR_TYPE_DEBUG, + "Creating new session %p for peer `%s' address `%s'\n", + s, + GNUNET_i2s(&address->peer), + udp_address_to_string(NULL,address->address,address->address_length)); GNUNET_assert (GNUNET_OK == GNUNET_CONTAINER_multihashmap_put (plugin->sessions, &s->target.hashPubKey, @@ -1039,13 +1039,10 @@ enqueue_fragment (void *cls, const struct GNUNET_MessageHeader *msg) struct Plugin *plugin = frag_ctx->plugin; struct UDPMessageWrapper * udpw; struct Session *s; - size_t msg_len = ntohs (msg->size); -#if VERBOSE_UDP - GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Enqueuing fragment with %u bytes %u\n", msg_len , sizeof (struct UDPMessageWrapper)); -#endif - + LOG (GNUNET_ERROR_TYPE_DEBUG, + "Enqueuing fragment with %u bytes %u\n", msg_len , sizeof (struct UDPMessageWrapper)); udpw = GNUNET_malloc (sizeof (struct UDPMessageWrapper) + msg_len); udpw->session = frag_ctx->session; s = udpw->session; @@ -1057,10 +1054,8 @@ enqueue_fragment (void *cls, const struct GNUNET_MessageHeader *msg) udpw->timeout = frag_ctx->timeout; udpw->frag_ctx = frag_ctx; memcpy (udpw->udp, msg, msg_len); - enqueue (plugin, udpw); - if (s->addrlen == sizeof (struct sockaddr_in)) { if (plugin->with_v4_ws == GNUNET_NO) @@ -1077,7 +1072,6 @@ enqueue_fragment (void *cls, const struct GNUNET_MessageHeader *msg) plugin->with_v4_ws = GNUNET_YES; } } - else if (s->addrlen == sizeof (struct sockaddr_in6)) { if (plugin->with_v6_ws == GNUNET_NO) @@ -1134,7 +1128,6 @@ udp_plugin_send (void *cls, { struct Plugin *plugin = cls; size_t mlen = msgbuf_size + sizeof (struct UDPMessage); - struct UDPMessageWrapper * udpw; struct UDPMessage *udp; char mbuf[mlen]; @@ -1143,29 +1136,24 @@ udp_plugin_send (void *cls, if ((s->addrlen == sizeof (struct sockaddr_in6)) && (plugin->sockv6 == NULL)) return GNUNET_SYSERR; - - if ((s->addrlen == sizeof (struct sockaddr_in)) && (plugin->sockv4 == NULL)) - return GNUNET_SYSERR; - - + if ((s->addrlen == sizeof (struct sockaddr_in)) && (plugin->sockv4 == NULL)) + return GNUNET_SYSERR; if (mlen >= GNUNET_SERVER_MAX_MESSAGE_SIZE) { GNUNET_break (0); return GNUNET_SYSERR; } - if (GNUNET_YES != GNUNET_CONTAINER_multihashmap_contains_value(plugin->sessions, &s->target.hashPubKey, s)) { GNUNET_break (0); return GNUNET_SYSERR; } - LOG (GNUNET_ERROR_TYPE_DEBUG, "UDP transmits %u-byte message to `%s' using address `%s'\n", - mlen, - GNUNET_i2s (&s->target), - GNUNET_a2s(s->sock_addr, s->addrlen)); - + mlen, + GNUNET_i2s (&s->target), + GNUNET_a2s(s->sock_addr, s->addrlen)); + /* Message */ udp = (struct UDPMessage *) mbuf; udp->header.size = htons (mlen); @@ -1231,7 +1219,6 @@ udp_plugin_send (void *cls, plugin->with_v4_ws = GNUNET_YES; } } - else if (s->addrlen == sizeof (struct sockaddr_in6)) { if (plugin->with_v6_ws == GNUNET_NO) @@ -1325,14 +1312,13 @@ process_inbound_tokenized_messages (void *cls, void *client, ats[0].value = htonl (1); ats[1] = si->session->ats; GNUNET_break (ntohl(ats[1].value) != GNUNET_ATS_NET_UNSPECIFIED); - delay = plugin->env->receive (plugin->env->cls, - &si->sender, - hdr, - (const struct GNUNET_ATS_Information *) &ats, 2, - NULL, - si->arg, - si->args); + &si->sender, + hdr, + (const struct GNUNET_ATS_Information *) &ats, 2, + NULL, + si->arg, + si->args); si->session->flow_delay_for_other_peer = delay; reschedule_session_timeout(si->session); return GNUNET_OK; @@ -1468,14 +1454,17 @@ fragment_msg_proc (void *cls, const struct GNUNET_MessageHeader *msg) rc->src_addr, rc->addr_len); } + struct LookupContext { const struct sockaddr * addr; - size_t addrlen; struct Session *res; + + size_t addrlen; }; + static int lookup_session_by_addr_it (void *cls, const GNUNET_HashCode * key, void *value) { @@ -1491,6 +1480,7 @@ lookup_session_by_addr_it (void *cls, const GNUNET_HashCode * key, void *value) return GNUNET_YES; } + /** * Transmit an acknowledgement. * @@ -1502,7 +1492,6 @@ static void ack_proc (void *cls, uint32_t id, const struct GNUNET_MessageHeader *msg) { struct DefragContext *rc = cls; - size_t msize = sizeof (struct UDP_ACK_Message) + ntohs (msg->size); struct UDP_ACK_Message *udp_ack; uint32_t delay = 0; @@ -1551,10 +1540,11 @@ ack_proc (void *cls, uint32_t id, const struct GNUNET_MessageHeader *msg) } -static void read_process_msg (struct Plugin *plugin, - const struct GNUNET_MessageHeader *msg, - char *addr, - socklen_t fromlen) +static void +read_process_msg (struct Plugin *plugin, + const struct GNUNET_MessageHeader *msg, + const char *addr, + socklen_t fromlen) { if (ntohs (msg->size) < sizeof (struct UDPMessage)) { @@ -1563,18 +1553,19 @@ static void read_process_msg (struct Plugin *plugin, } process_udp_message (plugin, (const struct UDPMessage *) msg, (const struct sockaddr *) addr, fromlen); - return; } -static void read_process_ack (struct Plugin *plugin, - const struct GNUNET_MessageHeader *msg, - char *addr, - socklen_t fromlen) + +static void +read_process_ack (struct Plugin *plugin, + const struct GNUNET_MessageHeader *msg, + char *addr, + socklen_t fromlen) { const struct GNUNET_MessageHeader *ack; const struct UDP_ACK_Message *udp_ack; struct LookupContext l_ctx; - struct Session *s = NULL; + struct Session *s; struct GNUNET_TIME_Relative flow_delay; if (ntohs (msg->size) < @@ -1583,9 +1574,7 @@ static void read_process_ack (struct Plugin *plugin, GNUNET_break_op (0); return; } - udp_ack = (const struct UDP_ACK_Message *) msg; - l_ctx.addr = (const struct sockaddr *) addr; l_ctx.addrlen = fromlen; l_ctx.res = NULL; @@ -1613,10 +1602,10 @@ static void read_process_ack (struct Plugin *plugin, if (GNUNET_OK != GNUNET_FRAGMENT_process_ack (s->frag_ctx->frag, ack)) { - 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)); + 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)); return; } @@ -1626,12 +1615,12 @@ static void read_process_ack (struct Plugin *plugin, GNUNET_a2s ((const struct sockaddr *) addr, fromlen)); s->last_expected_delay = GNUNET_FRAGMENT_context_destroy (s->frag_ctx->frag); - struct UDPMessageWrapper * udpw = NULL; - struct UDPMessageWrapper * tmp = NULL; + struct UDPMessageWrapper * udpw; + struct UDPMessageWrapper * tmp; if (s->addrlen == sizeof (struct sockaddr_in6)) { udpw = plugin->ipv6_queue_head; - while (udpw!= NULL) + while (NULL != udpw) { tmp = udpw->next; if ((udpw->frag_ctx != NULL) && (udpw->frag_ctx == s->frag_ctx)) @@ -1659,7 +1648,7 @@ static void read_process_ack (struct Plugin *plugin, if (s->frag_ctx->cont != NULL) { - GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, + LOG (GNUNET_ERROR_TYPE_DEBUG, "Calling continuation for fragmented message to `%s' with result %s\n", GNUNET_i2s (&s->target), "OK"); s->frag_ctx->cont (s->frag_ctx->cont_cls, &udp_ack->sender, GNUNET_OK); @@ -1667,19 +1656,19 @@ static void read_process_ack (struct Plugin *plugin, GNUNET_free (s->frag_ctx); s->frag_ctx = NULL; - return; } -static void read_process_fragment (struct Plugin *plugin, - const struct GNUNET_MessageHeader *msg, - char *addr, - socklen_t fromlen) + +static void +read_process_fragment (struct Plugin *plugin, + const struct GNUNET_MessageHeader *msg, + char *addr, + socklen_t fromlen) { struct DefragContext *d_ctx; struct GNUNET_TIME_Absolute now; struct FindReceiveContext frc; - frc.rc = NULL; frc.addr = (const struct sockaddr *) addr; frc.addr_len = fromlen; @@ -1710,15 +1699,17 @@ static void read_process_fragment (struct Plugin *plugin, GNUNET_CONTAINER_heap_insert (plugin->defrag_ctxs, d_ctx, (GNUNET_CONTAINER_HeapCostType) now.abs_value); - LOG (GNUNET_ERROR_TYPE_DEBUG, "Created new defragmentation context for %u-byte fragment from `%s'\n", - (unsigned int) ntohs (msg->size), - GNUNET_a2s ((const struct sockaddr *) addr, fromlen)); + LOG (GNUNET_ERROR_TYPE_DEBUG, + "Created new defragmentation context for %u-byte fragment from `%s'\n", + (unsigned int) ntohs (msg->size), + GNUNET_a2s ((const struct sockaddr *) addr, fromlen)); } else { - LOG (GNUNET_ERROR_TYPE_DEBUG, "Found existing defragmentation context for %u-byte fragment from `%s'\n", - (unsigned int) ntohs (msg->size), - GNUNET_a2s ((const struct sockaddr *) addr, fromlen)); + LOG (GNUNET_ERROR_TYPE_DEBUG, + "Found existing defragmentation context for %u-byte fragment from `%s'\n", + (unsigned int) ntohs (msg->size), + GNUNET_a2s ((const struct sockaddr *) addr, fromlen)); } if (GNUNET_OK == GNUNET_DEFRAGMENT_process_fragment (d_ctx->defrag, msg)) @@ -1739,6 +1730,7 @@ static void read_process_fragment (struct Plugin *plugin, } } + /** * Read and process a message from the given socket. * @@ -1836,16 +1828,18 @@ udp_select_send (struct Plugin *plugin, struct GNUNET_NETWORK_Handle *sock) call_continuation(udpw, GNUNET_SYSERR); if (udpw->frag_ctx != NULL) { - GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Fragmented message for peer `%s' with size %u timed out\n", - GNUNET_i2s(&udpw->session->target), udpw->frag_ctx->bytes_to_send); + LOG (GNUNET_ERROR_TYPE_DEBUG, + "Fragmented message for peer `%s' with size %u timed out\n", + GNUNET_i2s(&udpw->session->target), udpw->frag_ctx->bytes_to_send); udpw->session->last_expected_delay = GNUNET_FRAGMENT_context_destroy(udpw->frag_ctx->frag); GNUNET_free (udpw->frag_ctx); udpw->session->frag_ctx = NULL; } else { - GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Message for peer `%s' with size %u timed out\n", - GNUNET_i2s(&udpw->session->target), udpw->msg_size); + LOG (GNUNET_ERROR_TYPE_DEBUG, + "Message for peer `%s' with size %u timed out\n", + GNUNET_i2s(&udpw->session->target), udpw->msg_size); } if (sock == plugin->sockv4) @@ -1867,16 +1861,18 @@ udp_select_send (struct Plugin *plugin, struct GNUNET_NETWORK_Handle *sock) if (delta.rel_value == 0) { /* this message is not delayed */ - GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Message for peer `%s' (%u bytes) is not delayed \n", - GNUNET_i2s(&udpw->session->target), udpw->msg_size); + LOG (GNUNET_ERROR_TYPE_DEBUG, + "Message for peer `%s' (%u bytes) is not delayed \n", + GNUNET_i2s(&udpw->session->target), udpw->msg_size); break; } else { /* this message is delayed, try next */ - GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Message for peer `%s' (%u bytes) is delayed for %llu \n", - GNUNET_i2s(&udpw->session->target), udpw->msg_size, - delta); + LOG (GNUNET_ERROR_TYPE_DEBUG, + "Message for peer `%s' (%u bytes) is delayed for %llu \n", + GNUNET_i2s(&udpw->session->target), udpw->msg_size, + delta); udpw = udpw->next; } } @@ -1938,6 +1934,7 @@ udp_select_send (struct Plugin *plugin, struct GNUNET_NETWORK_Handle *sock) return sent; } + /** * We have been notified that our readset has something to read. We don't * know which socket needs to be read, so we have to check each one @@ -2050,7 +2047,7 @@ setup_sockets (struct Plugin *plugin, struct sockaddr_in6 *serverAddrv6, struct plugin->sockv6 = GNUNET_NETWORK_socket_create (PF_INET6, SOCK_DGRAM, 0); if (NULL == plugin->sockv6) { - GNUNET_log (GNUNET_ERROR_TYPE_WARNING, "Disabling IPv6 since it is not supported on this system!\n"); + LOG (GNUNET_ERROR_TYPE_WARNING, "Disabling IPv6 since it is not supported on this system!\n"); plugin->enable_ipv6 = GNUNET_NO; } else @@ -2147,7 +2144,7 @@ setup_sockets (struct Plugin *plugin, struct sockaddr_in6 *serverAddrv6, struct } if (sockets_created == 0) - GNUNET_log (GNUNET_ERROR_TYPE_WARNING, _("Failed to open UDP sockets\n")); + LOG (GNUNET_ERROR_TYPE_WARNING, _("Failed to open UDP sockets\n")); plugin->select_task = GNUNET_SCHEDULER_add_select (GNUNET_SCHEDULER_PRIORITY_DEFAULT,