/*
This file is part of GNUnet.
- (C) 2010, 2011, 2012 Christian Grothoff
+ Copyright (C) 2010, 2011, 2012 Christian Grothoff
GNUnet is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published
You should have received a copy of the GNU General Public License
along with GNUnet; see the file COPYING. If not, write to the
- Free Software Foundation, Inc., 59 Temple Place - Suite 330,
- Boston, MA 02111-1307, USA.
+ Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+ Boston, MA 02110-1301, USA.
*/
/**
* @file vpn/gnunet-service-vpn.c
* @brief service that opens a virtual interface and allows its clients
* to allocate IPs on the virtual interface and to then redirect
- * IP traffic received on those IPs via the GNUnet mesh
+ * IP traffic received on those IPs via the GNUnet cadet
* @author Philipp Toelke
* @author Christian Grothoff
*
* TODO:
- * - keep multiple peers/mesh channels ready as alternative exits /
+ * - keep multiple peers/cadet channels ready as alternative exits /
* detect & recover from channel-to-exit failure gracefully
*/
#include "platform.h"
#include "gnunet_common.h"
#include "gnunet_protocols.h"
#include "gnunet_applications.h"
-#include "gnunet_mesh_service.h"
+#include "gnunet_cadet_service.h"
#include "gnunet_statistics_service.h"
#include "gnunet_constants.h"
#include "gnunet_tun_lib.h"
/**
- * Maximum number of messages we allow in the queue for mesh.
+ * Maximum number of messages we allow in the queue for cadet.
*/
#define MAX_MESSAGE_QUEUE_SIZE 4
*/
struct DestinationEntry *destination;
- /**
- * Pre-allocated channel for this destination, or NULL for none.
- */
- struct ChannelState *ts;
-
/**
* Destination port this channel state is used for.
*/
* Information about the channel to use, NULL if no channel
* is available right now.
*/
- struct GNUNET_MESH_Channel *channel;
+ struct GNUNET_CADET_Channel *channel;
/**
* Active query with REGEX to locate exit.
/**
* Active transmission handle, NULL for none.
*/
- struct GNUNET_MESH_TransmitHandle *th;
+ struct GNUNET_CADET_TransmitHandle *th;
/**
* Entry for this entry in the channel_heap, NULL as long as this
*/
struct ChannelMessageQueueEntry *tmq_tail;
- /**
- * Destination entry that has a pointer to this channel state;
- * NULL if this channel state is in the channel map.
- */
- struct DestinationChannel *destination_container;
-
/**
* Destination to which this channel leads. Note that
* this struct is NOT in the destination_map (but a
*/
int af;
+ /**
+ * Is this channel new (#GNUNET_NO), or did we exchange messages with the
+ * other side already (#GNUNET_YES)?
+ */
+ int is_established;
+
/**
* Length of the doubly linked 'tmq_head/tmq_tail' list.
*/
/**
- * Return value from 'main'.
+ * Return value from #main().
*/
static int global_ret;
static const struct GNUNET_CONFIGURATION_Handle *cfg;
/**
- * Handle to the mesh service.
+ * Handle to the cadet service.
*/
-static struct GNUNET_MESH_Handle *mesh_handle;
+static struct GNUNET_CADET_Handle *cadet_handle;
/**
* Map from IP address to destination information (possibly with a
- * MESH channel handle for fast setup).
+ * CADET channel handle for fast setup).
*/
static struct GNUNET_CONTAINER_MultiHashMap *destination_map;
/**
* Map from source and destination address (IP+port) to connection
- * information (mostly with the respective MESH channel handle).
+ * information (mostly with the respective CADET channel handle).
*/
static struct GNUNET_CONTAINER_MultiHashMap *channel_map;
*/
static void
get_channel_key_from_ips (int af,
- uint8_t protocol,
- const void *source_ip,
- uint16_t source_port,
- const void *destination_ip,
- uint16_t destination_port,
- struct GNUNET_HashCode *key)
+ uint8_t protocol,
+ const void *source_ip,
+ uint16_t source_port,
+ const void *destination_ip,
+ uint16_t destination_port,
+ struct GNUNET_HashCode *key)
{
char *off;
{
struct GNUNET_HashCode key;
struct ChannelMessageQueueEntry *tnq;
- struct GNUNET_MESH_Channel *channel;
+ struct GNUNET_CADET_Channel *channel;
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
"Cleaning up channel state\n");
+ if (NULL != ts->th)
+ {
+ GNUNET_CADET_notify_transmit_ready_cancel (ts->th);
+ ts->th = NULL;
+ }
+ if (NULL != (channel = ts->channel))
+ {
+ ts->channel = NULL;
+ GNUNET_CADET_channel_destroy (channel);
+ return;
+ }
GNUNET_STATISTICS_update (stats,
gettext_noop ("# Active channels"),
-1, GNUNET_NO);
GNUNET_free (tnq);
}
GNUNET_assert (0 == ts->tmq_length);
- if (NULL != ts->th)
- {
- GNUNET_MESH_notify_transmit_ready_cancel (ts->th);
- ts->th = NULL;
- }
GNUNET_assert (NULL == ts->destination.heap_node);
- if (NULL != (channel = ts->channel))
- {
- ts->channel = NULL;
- GNUNET_MESH_channel_destroy (channel);
- }
if (NULL != ts->search)
{
GNUNET_REGEX_search_cancel (ts->search);
&key,
ts));
}
- if (NULL != ts->destination_container)
- {
- GNUNET_assert (ts == ts->destination_container->ts);
- ts->destination_container->ts = NULL;
- ts->destination_container = NULL;
- }
GNUNET_free (ts);
}
/**
- * Send a message from the message queue via mesh.
+ * Send a message from the message queue via cadet.
*
* @param cls the `struct ChannelState` with the message queue
* @param size number of bytes available in @a buf
GNUNET_assert (NULL != tnq);
GNUNET_assert (size >= tnq->len);
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
- "Sending %u bytes via mesh channel\n",
- tnq->len);
+ "Sending %u bytes via cadet channel\n",
+ (unsigned int) tnq->len);
GNUNET_CONTAINER_DLL_remove (ts->tmq_head,
ts->tmq_tail,
tnq);
ret = tnq->len;
GNUNET_free (tnq);
if (NULL != (tnq = ts->tmq_head))
- ts->th = GNUNET_MESH_notify_transmit_ready (ts->channel,
+ ts->th = GNUNET_CADET_notify_transmit_ready (ts->channel,
GNUNET_NO /* cork */,
GNUNET_TIME_UNIT_FOREVER_REL,
tnq->len,
&send_to_peer_notify_callback,
ts);
GNUNET_STATISTICS_update (stats,
- gettext_noop ("# Bytes given to mesh for transmission"),
+ gettext_noop ("# Bytes given to cadet for transmission"),
ret, GNUNET_NO);
return ret;
}
struct ChannelState *ts)
{
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
- "Queueing %u bytes for transmission via mesh channel\n",
- tnq->len);
+ "Queueing %u bytes for transmission via cadet channel\n",
+ (unsigned int) tnq->len);
GNUNET_assert (NULL != ts->channel);
GNUNET_CONTAINER_DLL_insert_tail (ts->tmq_head,
ts->tmq_tail,
ts->tmq_tail,
dq);
ts->tmq_length--;
- GNUNET_MESH_notify_transmit_ready_cancel (ts->th);
+ GNUNET_CADET_notify_transmit_ready_cancel (ts->th);
ts->th = NULL;
GNUNET_STATISTICS_update (stats,
- gettext_noop ("# Bytes dropped in mesh queue (overflow)"),
+ gettext_noop ("# Bytes dropped in cadet queue (overflow)"),
dq->len,
GNUNET_NO);
GNUNET_free (dq);
}
if (NULL == ts->th)
- ts->th = GNUNET_MESH_notify_transmit_ready (ts->channel,
+ ts->th = GNUNET_CADET_notify_transmit_ready (ts->channel,
GNUNET_NO /* cork */,
GNUNET_TIME_UNIT_FOREVER_REL,
tnq->len,
}
+/**
+ * Output destination of a channel for diagnostics.
+ *
+ * @param de destination to process
+ * @return diagnostic string describing destination
+ */
+static const char *
+print_channel_destination (const struct DestinationEntry *de)
+{
+ static char dest[256];
+
+ if (de->is_service)
+ {
+ GNUNET_snprintf (dest,
+ sizeof (dest),
+ "HS: %s-%s",
+ GNUNET_i2s (&de->details.service_destination.target),
+ GNUNET_h2s (&de->details.service_destination.service_descriptor));
+ }
+ else
+ {
+ inet_ntop (de->details.exit_destination.af,
+ &de->details.exit_destination.ip,
+ dest,
+ sizeof (dest));
+ }
+ return dest;
+}
+
+
/**
* Regex has found a potential exit peer for us; consider using it.
*
- * @param cls the 'struct ChannelState'
+ * @param cls the `struct ChannelState`
* @param id Peer providing a regex that matches the string.
* @param get_path Path of the get request.
* @param get_path_length Lenght of @a get_path.
struct ChannelState *ts = cls;
unsigned int apptype;
+ GNUNET_log (GNUNET_ERROR_TYPE_INFO,
+ "Exit %s found for destination %s!\n",
+ GNUNET_i2s (id),
+ print_channel_destination (&ts->destination));
GNUNET_REGEX_search_cancel (ts->search);
ts->search = NULL;
switch (ts->af)
GNUNET_break (0);
return;
}
- ts->channel = GNUNET_MESH_channel_create (mesh_handle,
- ts,
- id,
- apptype,
- GNUNET_MESH_OPTION_DEFAULT);
+ GNUNET_log (GNUNET_ERROR_TYPE_INFO,
+ "Creating tunnel to %s for destination %s!\n",
+ GNUNET_i2s (id),
+ print_channel_destination (&ts->destination));
+ ts->channel = GNUNET_CADET_channel_create (cadet_handle,
+ ts,
+ id,
+ apptype,
+ GNUNET_CADET_OPTION_DEFAULT);
}
/**
- * Initialize the given destination entry's mesh channel.
+ * Initialize the given destination entry's cadet channel.
*
* @param dt destination channel for which we need to setup a channel
* @param client_af address family of the address returned to the client
*/
static struct ChannelState *
create_channel_to_destination (struct DestinationChannel *dt,
- int client_af)
+ int client_af)
{
struct ChannelState *ts;
unsigned int apptype;
GNUNET_STATISTICS_update (stats,
- gettext_noop ("# Mesh channels created"),
+ gettext_noop ("# Cadet channels created"),
1, GNUNET_NO);
- GNUNET_assert (NULL == dt->ts);
switch (client_af)
{
case AF_INET:
ts->af = client_af;
ts->destination = *dt->destination;
ts->destination.heap_node = NULL; /* copy is NOT in destination heap */
- dt->ts = ts;
- ts->destination_container = dt; /* we are referenced from dt */
if (dt->destination->is_service)
{
- ts->channel = GNUNET_MESH_channel_create (mesh_handle,
- ts,
- &dt->destination->details.service_destination.target,
- apptype,
- GNUNET_MESH_OPTION_DEFAULT);
+ ts->channel = GNUNET_CADET_channel_create (cadet_handle,
+ ts,
+ &dt->destination->details.service_destination.target,
+ apptype,
+ GNUNET_CADET_OPTION_DEFAULT);
if (NULL == ts->channel)
{
GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
- _("Failed to setup mesh channel!\n"));
+ _("Failed to setup cadet channel!\n"));
GNUNET_free (ts);
return NULL;
}
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
- "Creating channel to peer %s offering service %s\n",
+ "Creating channel %p to peer %s offering service %s\n",
+ ts->channel,
GNUNET_i2s (&dt->destination->details.service_destination.target),
GNUNET_h2s (&dt->destination->details.service_destination.service_descriptor));
}
GNUNET_TUN_ipv4toregexsearch (&dt->destination->details.exit_destination.ip.v4,
dt->destination_port,
address);
- GNUNET_asprintf (&policy, "%s%s",
+ GNUNET_asprintf (&policy,
+ "%s%s",
GNUNET_APPLICATION_TYPE_EXIT_REGEX_PREFIX,
address);
break;
GNUNET_TUN_ipv6toregexsearch (&dt->destination->details.exit_destination.ip.v6,
dt->destination_port,
address);
- GNUNET_asprintf (&policy, "%s%s",
+ GNUNET_asprintf (&policy,
+ "%s%s",
GNUNET_APPLICATION_TYPE_EXIT_REGEX_PREFIX,
address);
break;
GNUNET_assert (NULL != ts);
if (except == ts)
return; /* can't do this */
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "Tearing down expired channel to %s\n",
+ print_channel_destination (&except->destination));
free_channel_state (ts);
}
/**
- * Route a packet via mesh to the given destination.
+ * Route a packet via cadet to the given destination.
*
* @param destination description of the destination
* @param af address family on this end (AF_INET or AF_INET6)
struct ChannelMessageQueueEntry *tnq;
size_t alen;
size_t mlen;
- int is_new;
const struct GNUNET_TUN_UdpHeader *udp;
const struct GNUNET_TUN_TcpHeader *tcp;
const struct GNUNET_TUN_IcmpHeader *icmp;
source_port = ntohs (udp->source_port);
destination_port = ntohs (udp->destination_port);
get_channel_key_from_ips (af,
- IPPROTO_UDP,
- source_ip,
- source_port,
- destination_ip,
- destination_port,
- &key);
+ IPPROTO_UDP,
+ source_ip,
+ source_port,
+ destination_ip,
+ destination_port,
+ &key);
}
break;
case IPPROTO_TCP:
source_port = ntohs (tcp->source_port);
destination_port = ntohs (tcp->destination_port);
get_channel_key_from_ips (af,
- IPPROTO_TCP,
- source_ip,
- source_port,
- destination_ip,
- destination_port,
- &key);
+ IPPROTO_TCP,
+ source_ip,
+ source_port,
+ destination_ip,
+ destination_port,
+ &key);
}
break;
case IPPROTO_ICMP:
source_port = 0;
destination_port = 0;
get_channel_key_from_ips (af,
- protocol,
- source_ip,
- 0,
- destination_ip,
- 0,
- &key);
+ protocol,
+ source_ip,
+ 0,
+ destination_ip,
+ 0,
+ &key);
}
break;
default:
char xbuf[INET6_ADDRSTRLEN];
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
- "Routing %s packet from %s:%u -> %s:%u to destination %s:%u\n",
+ "Routing %s packet from [%s]:%u -> [%s]:%u to destination [%s]:%u\n",
(protocol == IPPROTO_TCP) ? "TCP" : "UDP",
inet_ntop (af, source_ip, sbuf, sizeof (sbuf)),
source_port,
char dbuf[INET6_ADDRSTRLEN];
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
- "Routing %s packet from %s:%u -> %s:%u to service %s at peer %s\n",
+ "Routing %s packet from [%s]:%u -> [%s]:%u to service %s at peer %s\n",
(protocol == IPPROTO_TCP) ? "TCP" : "UDP",
inet_ntop (af, source_ip, sbuf, sizeof (sbuf)),
source_port,
&key);
if (NULL == ts)
{
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "Creating new channel for key %s\n",
+ GNUNET_h2s (&key));
/* need to either use the existing channel from the destination (if still
available) or create a fresh one */
- is_new = GNUNET_YES;
- if (NULL == dt->ts)
- ts = create_channel_to_destination (dt, af);
- else
- ts = dt->ts;
+ ts = create_channel_to_destination (dt, af);
if (NULL == ts)
return;
- dt->ts = NULL;
- ts->destination_container = NULL; /* no longer 'contained' */
/* now bind existing "unbound" channel to our IP/port tuple */
ts->protocol = protocol;
ts->af = af;
}
else
{
- is_new = GNUNET_NO;
GNUNET_CONTAINER_heap_update_cost (channel_heap,
ts->heap_node,
GNUNET_TIME_absolute_get ().abs_value_us);
}
- GNUNET_assert (NULL != ts->channel);
+ if (NULL == ts->channel)
+ {
+ GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
+ "Packet dropped, channel to %s not yet ready (%s)\n",
+ print_channel_destination (&ts->destination),
+ (NULL == ts->search)
+ ? "EXIT search failed"
+ : "EXIT search active");
+ GNUNET_STATISTICS_update (stats,
+ gettext_noop ("# Packets dropped (channel not yet online)"),
+ 1,
+ GNUNET_NO);
+ return;
+ }
/* send via channel */
switch (protocol)
}
break;
case IPPROTO_TCP:
- if (is_new)
+ if (GNUNET_NO == ts->is_established)
{
if (destination->is_service)
{
GNUNET_assert (0);
break;
}
+ ts->is_established = GNUNET_YES;
send_to_channel (tnq, ts);
}
/**
* Receive packets from the helper-process (someone send to the local
* virtual channel interface). Find the destination mapping, and if it
- * exists, identify the correct MESH channel (or possibly create it)
+ * exists, identify the correct CADET channel (or possibly create it)
* and forward the packet.
*
* @param cls closure, NULL
/**
- * We got an ICMP packet back from the MESH channel. Pass it on to the
+ * We got an ICMP packet back from the CADET channel. Pass it on to the
* local virtual interface via the helper.
*
* @param cls closure, NULL
*/
static int
receive_icmp_back (void *cls,
- struct GNUNET_MESH_Channel *channel,
+ struct GNUNET_CADET_Channel *channel,
void **channel_ctx,
const struct GNUNET_MessageHeader *message)
{
size_t mlen;
GNUNET_STATISTICS_update (stats,
- gettext_noop ("# ICMP packets received from mesh"),
+ gettext_noop ("# ICMP packets received from cadet"),
1, GNUNET_NO);
mlen = ntohs (message->size);
if (mlen < sizeof (struct GNUNET_EXIT_IcmpToVPNMessage))
char dbuf[INET6_ADDRSTRLEN];
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
- "Received ICMP packet from mesh, sending %u bytes from %s -> %s via TUN\n",
+ "Received ICMP packet from cadet, sending %u bytes from %s -> %s via TUN\n",
(unsigned int) mlen,
inet_ntop (ts->af, &ts->destination_ip, sbuf, sizeof (sbuf)),
inet_ntop (ts->af, &ts->source_ip, dbuf, sizeof (dbuf)));
GNUNET_CONTAINER_heap_update_cost (channel_heap,
ts->heap_node,
GNUNET_TIME_absolute_get ().abs_value_us);
+ GNUNET_CADET_receive_done (channel);
return GNUNET_OK;
}
/**
- * We got a UDP packet back from the MESH channel. Pass it on to the
+ * We got a UDP packet back from the CADET channel. Pass it on to the
* local virtual interface via the helper.
*
* @param cls closure, NULL
*/
static int
receive_udp_back (void *cls,
- struct GNUNET_MESH_Channel *channel,
+ struct GNUNET_CADET_Channel *channel,
void **channel_ctx,
const struct GNUNET_MessageHeader *message)
{
size_t mlen;
GNUNET_STATISTICS_update (stats,
- gettext_noop ("# UDP packets received from mesh"),
+ gettext_noop ("# UDP packets received from cadet"),
1, GNUNET_NO);
mlen = ntohs (message->size);
if (mlen < sizeof (struct GNUNET_EXIT_UdpReplyMessage))
char dbuf[INET6_ADDRSTRLEN];
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
- "Received UDP reply from mesh, sending %u bytes from %s:%u -> %s:%u via TUN\n",
+ "Received UDP reply from cadet, sending %u bytes from [%s]:%u -> [%s]:%u via TUN\n",
(unsigned int) mlen,
inet_ntop (ts->af, &ts->destination_ip, sbuf, sizeof (sbuf)),
ts->destination_port,
GNUNET_CONTAINER_heap_update_cost (channel_heap,
ts->heap_node,
GNUNET_TIME_absolute_get ().abs_value_us);
+ GNUNET_CADET_receive_done (channel);
return GNUNET_OK;
}
/**
- * We got a TCP packet back from the MESH channel. Pass it on to the
+ * We got a TCP packet back from the CADET channel. Pass it on to the
* local virtual interface via the helper.
*
* @param cls closure, NULL
*/
static int
receive_tcp_back (void *cls,
- struct GNUNET_MESH_Channel *channel,
+ struct GNUNET_CADET_Channel *channel,
void **channel_ctx,
const struct GNUNET_MessageHeader *message)
{
size_t mlen;
GNUNET_STATISTICS_update (stats,
- gettext_noop ("# TCP packets received from mesh"),
+ gettext_noop ("# TCP packets received from cadet"),
1, GNUNET_NO);
mlen = ntohs (message->size);
if (mlen < sizeof (struct GNUNET_EXIT_TcpDataMessage))
char dbuf[INET6_ADDRSTRLEN];
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
- "Received TCP reply from mesh, sending %u bytes from %s:%u -> %s:%u via TUN\n",
+ "Received TCP reply from cadet, sending %u bytes from [%s]:%u -> [%s]:%u via TUN\n",
(unsigned int) mlen,
inet_ntop (ts->af, &ts->destination_ip, sbuf, sizeof (sbuf)),
ts->destination_port,
GNUNET_CONTAINER_heap_update_cost (channel_heap,
ts->heap_node,
GNUNET_TIME_absolute_get ().abs_value_us);
+ GNUNET_CADET_receive_done (channel);
return GNUNET_OK;
}
struct DestinationChannel *dt;
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
- "Cleaning up destination entry\n");
+ "Cleaning up destination entry `%s'\n",
+ print_channel_destination (de));
GNUNET_STATISTICS_update (stats,
gettext_noop ("# Active destinations"),
-1, GNUNET_NO);
GNUNET_CONTAINER_DLL_remove (de->dt_head,
de->dt_tail,
dt);
- if (NULL != dt->ts)
- {
- free_channel_state (dt->ts);
- GNUNET_assert (NULL == dt->ts);
- }
GNUNET_free (dt);
}
if (NULL != de->heap_node)
void *addr;
struct DestinationEntry *de;
struct GNUNET_HashCode key;
- struct ChannelState *ts;
struct DestinationChannel *dt;
/* parse request */
GNUNET_CONTAINER_DLL_insert (de->dt_head,
de->dt_tail,
dt);
- ts = create_channel_to_destination (dt,
- result_af);
- switch (result_af)
- {
- case AF_INET:
- ts->destination_ip.v4 = v4;
- break;
- case AF_INET6:
- ts->destination_ip.v6 = v6;
- break;
- default:
- GNUNET_assert (0);
- }
/* we're done */
GNUNET_SERVER_receive_done (client, GNUNET_OK);
}
* Function called whenever a channel is destroyed. Should clean up
* any associated state.
*
- * @param cls closure (set from #GNUNET_MESH_connect)
+ * @param cls closure (set from #GNUNET_CADET_connect)
* @param channel connection to the other end (henceforth invalid)
* @param channel_ctx place where local state associated
* with the channel is stored (our `struct ChannelState`)
*/
static void
channel_cleaner (void *cls,
- const struct GNUNET_MESH_Channel *channel,
- void *channel_ctx)
+ const struct GNUNET_CADET_Channel *channel,
+ void *channel_ctx)
{
struct ChannelState *ts = channel_ctx;
- ts->channel = NULL; /* we must not call GNUNET_MESH_channel_destroy() anymore */
+ ts->channel = NULL; /* we must not call GNUNET_CADET_channel_destroy() anymore */
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "CADET notified us about death of channel to `%s'\n",
+ print_channel_destination (&ts->destination));
free_channel_state (ts);
}
*/
static int
cleanup_channel (void *cls,
- const struct GNUNET_HashCode *key,
- void *value)
+ const struct GNUNET_HashCode *key,
+ void *value)
{
struct ChannelState *ts = value;
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "Tearing down channel to `%s' during cleanup\n",
+ print_channel_destination (&ts->destination));
free_channel_state (ts);
return GNUNET_OK;
}
* Function scheduled as very last function, cleans up after us
*
* @param cls unused
- * @param tc unused
*/
static void
-cleanup (void *cls,
- const struct GNUNET_SCHEDULER_TaskContext *tc)
+cleanup (void *cls)
{
unsigned int i;
GNUNET_CONTAINER_heap_destroy (channel_heap);
channel_heap = NULL;
}
- if (NULL != mesh_handle)
+ if (NULL != cadet_handle)
{
- GNUNET_MESH_disconnect (mesh_handle);
- mesh_handle = NULL;
+ GNUNET_CADET_disconnect (cadet_handle);
+ cadet_handle = NULL;
}
if (NULL != helper_handle)
{
- GNUNET_HELPER_stop (helper_handle, GNUNET_NO);
+ GNUNET_HELPER_kill (helper_handle, GNUNET_NO);
+ GNUNET_HELPER_wait (helper_handle);
helper_handle = NULL;
}
if (NULL != nc)
sizeof (struct RedirectToServiceRequestMessage) },
{NULL, NULL, 0, 0}
};
- static const struct GNUNET_MESH_MessageHandler mesh_handlers[] = {
+ static const struct GNUNET_CADET_MessageHandler cadet_handlers[] = {
{ &receive_udp_back, GNUNET_MESSAGE_TYPE_VPN_UDP_REPLY, 0},
{ &receive_tcp_back, GNUNET_MESSAGE_TYPE_VPN_TCP_DATA_TO_VPN, 0},
{ &receive_icmp_back, GNUNET_MESSAGE_TYPE_VPN_ICMP_TO_VPN, 0},
binary = GNUNET_OS_get_libexec_binary_path ("gnunet-helper-vpn");
if (GNUNET_YES !=
- GNUNET_OS_check_helper_binary (binary, GNUNET_YES, "-d gnunet-vpn - - 169.1.3.3.7 255.255.255.0")) //ipv4 only please!
+ GNUNET_OS_check_helper_binary (binary,
+ GNUNET_YES,
+ "-d gnunet-vpn - - 169.1.3.3.7 255.255.255.0")) //ipv4 only please!
{
- fprintf (stderr,
- "`%s' is not SUID, refusing to run.\n",
- "gnunet-helper-vpn");
+ GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
+ "`%s' is not SUID, refusing to run.\n",
+ "gnunet-helper-vpn");
GNUNET_free (binary);
global_ret = 1;
+ /* we won't "really" exit here, as the 'service' is still running;
+ however, as no handlers are registered, the service won't do
+ anything either */
return;
}
GNUNET_free (binary);
}
vpn_argv[6] = NULL;
- mesh_handle =
- GNUNET_MESH_connect (cfg_, NULL,
- NULL,
- &channel_cleaner,
- mesh_handlers,
- NULL);
+ cadet_handle =
+ GNUNET_CADET_connect (cfg_, NULL,
+ NULL,
+ &channel_cleaner,
+ cadet_handlers,
+ NULL);
helper_handle = GNUNET_HELPER_start (GNUNET_NO,
"gnunet-helper-vpn", vpn_argv,
&message_token, NULL, NULL);
nc = GNUNET_SERVER_notification_context_create (server, 1);
GNUNET_SERVER_add_handlers (server, service_handlers);
- GNUNET_SCHEDULER_add_delayed (GNUNET_TIME_UNIT_FOREVER_REL, &cleanup, cls);
+ GNUNET_SCHEDULER_add_shutdown (&cleanup,
+ NULL);
}
projects / oweals / gnunet.git / blobdiff