ping = GNUNET_malloc(sizeof(struct TransportPingMessage));
ping->challenge = htonl(va->challenge);
ping->header.size = htons(sizeof(struct TransportPingMessage));
ping->header.type = htons(GNUNET_MESSAGE_TYPE_TRANSPORT_PING);
memcpy(&ping->target, &id, sizeof(struct GNUNET_PeerIdentity));
ping = GNUNET_malloc(sizeof(struct TransportPingMessage));
ping->challenge = htonl(va->challenge);
ping->header.size = htons(sizeof(struct TransportPingMessage));
ping->header.type = htons(GNUNET_MESSAGE_TYPE_TRANSPORT_PING);
memcpy(&ping->target, &id, sizeof(struct GNUNET_PeerIdentity));