/*
This file is part of GNUnet.
- (C) 2013 Christian Grothoff (and other contributing authors)
+ Copyright (C) 2013 GNUnet e.V.
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.
*/
#include "gnunet-service-cadet_peer.h"
#define LOG(level, ...) GNUNET_log_from(level,"cadet-chn",__VA_ARGS__)
+#define LOG2(level, ...) GNUNET_log_from_nocheck(level,"cadet-chn",__VA_ARGS__)
#define CADET_RETRANSMIT_TIME GNUNET_TIME_relative_multiply(\
GNUNET_TIME_UNIT_MILLISECONDS, 250)
/**
* Connection confirmed, ready to carry traffic.
*/
- CADET_CHANNEL_READY,
+ CADET_CHANNEL_READY
};
*/
struct CadetReliableMessage
{
- /**
- * Double linked list, FIFO style
- */
- struct CadetReliableMessage *next;
- struct CadetReliableMessage *prev;
+ /**
+ * Double linked list, FIFO style
+ */
+ struct CadetReliableMessage *next;
+ struct CadetReliableMessage *prev;
- /**
- * Type of message (payload, channel management).
- */
- int16_t type;
+ /**
+ * Type of message (payload, channel management).
+ */
+ int16_t type;
- /**
- * Tunnel Reliability queue this message is in.
- */
- struct CadetChannelReliability *rel;
+ /**
+ * Tunnel Reliability queue this message is in.
+ */
+ struct CadetChannelReliability *rel;
- /**
- * ID of the message (ACK needed to free)
- */
+ /**
+ * ID of the message (ACK needed to free)
+ */
uint32_t mid;
/**
* Tunnel Queue.
*/
- struct CadetChannelQueue *chq;
+ struct CadetChannelQueue *chq;
- /**
- * When was this message issued (to calculate ACK delay)
- */
+ /**
+ * When was this message issued (to calculate ACK delay)
+ */
struct GNUNET_TIME_Absolute timestamp;
- /* struct GNUNET_CADET_Data with payload */
+ /* struct GNUNET_CADET_ChannelAppDataMessage with payload */
};
*/
struct CadetChannelReliability
{
- /**
- * Channel this is about.
- */
+ /**
+ * Channel this is about.
+ */
struct CadetChannel *ch;
- /**
- * DLL of messages sent and not yet ACK'd.
- */
+ /**
+ * DLL of messages sent and not yet ACK'd.
+ */
struct CadetReliableMessage *head_sent;
struct CadetReliableMessage *tail_sent;
- /**
- * DLL of messages received out of order.
- */
+ /**
+ * DLL of messages received out of order.
+ */
struct CadetReliableMessage *head_recv;
struct CadetReliableMessage *tail_recv;
- /**
- * Messages received.
- */
+ /**
+ * Messages received.
+ */
unsigned int n_recv;
- /**
- * Next MID to use for outgoing traffic.
- */
+ /**
+ * Next MID to use for outgoing traffic.
+ */
uint32_t mid_send;
- /**
- * Next MID expected for incoming traffic.
- */
+ /**
+ * Next MID expected for incoming traffic.
+ */
uint32_t mid_recv;
- /**
- * Handle for queued unique data CREATE, DATA_ACK.
- */
+ /**
+ * Handle for queued unique data CREATE, DATA_ACK.
+ */
struct CadetChannelQueue *uniq;
- /**
- * Can we send data to the client?
- */
+ /**
+ * Can we send data to the client?
+ */
int client_ready;
/**
*/
int client_allowed;
- /**
- * Task to resend/poll in case no ACK is received.
- */
- GNUNET_SCHEDULER_TaskIdentifier retry_task;
+ /**
+ * Task to resend/poll in case no ACK is received.
+ */
+ struct GNUNET_SCHEDULER_Task * retry_task;
- /**
- * Counter for exponential backoff.
- */
+ /**
+ * Counter for exponential backoff.
+ */
struct GNUNET_TIME_Relative retry_timer;
- /**
- * How long does it usually take to get an ACK.
- */
+ /**
+ * How long does it usually take to get an ACK.
+ */
struct GNUNET_TIME_Relative expected_delay;
};
*/
struct CadetChannel
{
- /**
- * Tunnel this channel is in.
- */
+ /**
+ * Tunnel this channel is in.
+ */
struct CadetTunnel *t;
- /**
- * Destination port of the channel.
- */
- uint32_t port;
+ /**
+ * Destination port of the channel.
+ */
+ struct GNUNET_HashCode port;
- /**
- * Global channel number ( < GNUNET_CADET_LOCAL_CHANNEL_ID_CLI)
- */
- CADET_ChannelNumber gid;
+ /**
+ * Global channel number ( < GNUNET_CADET_LOCAL_CHANNEL_ID_CLI)
+ */
+ struct GNUNET_CADET_ChannelTunnelNumber gid;
- /**
- * Local tunnel number for root (owner) client.
- * ( >= GNUNET_CADET_LOCAL_CHANNEL_ID_CLI or 0 )
- */
- CADET_ChannelNumber lid_root;
+ /**
+ * Local tunnel number for root (owner) client.
+ * ( >= GNUNET_CADET_LOCAL_CHANNEL_ID_CLI or 0 )
+ */
+ struct GNUNET_CADET_ClientChannelNumber lid_root;
- /**
- * Local tunnel number for local destination clients (incoming number)
- * ( >= GNUNET_CADET_LOCAL_CHANNEL_ID_SERV or 0).
- */
- CADET_ChannelNumber lid_dest;
+ /**
+ * Local tunnel number for local destination clients (incoming number)
+ * ( >= GNUNET_CADET_LOCAL_CHANNEL_ID_SERV or 0).
+ */
+ struct GNUNET_CADET_ClientChannelNumber lid_dest;
- /**
- * Channel state.
- */
+ /**
+ * Channel state.
+ */
enum CadetChannelState state;
- /**
- * Is the tunnel bufferless (minimum latency)?
- */
+ /**
+ * Is the tunnel bufferless (minimum latency)?
+ */
int nobuffer;
- /**
- * Is the tunnel reliable?
- */
+ /**
+ * Is the tunnel reliable?
+ */
int reliable;
- /**
- * Last time the channel was used
- */
+ /**
+ * Last time the channel was used
+ */
struct GNUNET_TIME_Absolute timestamp;
- /**
- * Client owner of the tunnel, if any
- */
+ /**
+ * Client owner of the tunnel, if any
+ */
struct CadetClient *root;
- /**
- * Client destination of the tunnel, if any.
- */
+ /**
+ * Client destination of the tunnel, if any.
+ */
struct CadetClient *dest;
- /**
- * Flag to signal the destruction of the channel.
- * If this is set GNUNET_YES the channel will be destroyed
- * when the queue is empty.
- */
+ /**
+ * Flag to signal the destruction of the channel.
+ * If this is set to #GNUNET_YES the channel will be destroyed
+ * when the queue is empty.
+ */
int destroy;
- /**
- * Total (reliable) messages pending ACK for this channel.
- */
+ /**
+ * Total (reliable) messages pending ACK for this channel.
+ */
unsigned int pending_messages;
- /**
- * Reliability data.
- * Only present (non-NULL) at the owner of a tunnel.
- */
+ /**
+ * Reliability data.
+ * Only present (non-NULL) at the owner of a tunnel.
+ */
struct CadetChannelReliability *root_rel;
- /**
- * Reliability data.
- * Only present (non-NULL) at the destination of a tunnel.
- */
+ /**
+ * Reliability data.
+ * Only present (non-NULL) at the destination of a tunnel.
+ */
struct CadetChannelReliability *dest_rel;
};
/******************************** STATIC ***********************************/
/******************************************************************************/
+
/**
* Destroy a reliable message after it has been acknowledged, either by
* direct mid ACK or bitfield. Updates the appropriate data structures and
* If this message is ACK in a batch the timing information
* is skewed by the retransmission, count only for the
* retransmitted message.
+ *
+ * @return #GNUNET_YES if channel was destroyed as a result of the call,
+ * #GNUNET_NO otherwise.
*/
static int
rel_message_free (struct CadetReliableMessage *copy, int update_time);
*
* @param ch The channel to confirm.
* @param fwd Should we send a FWD ACK? (going dest->root)
- * @param reaction This ACK is a reaction to a duplicate CREATE, don't save.
*/
static void
-send_ack (struct CadetChannel *ch, int fwd, int reaction);
+send_ack (struct CadetChannel *ch, int fwd);
* @param rel Reliability data for retransmission.
*/
static struct CadetReliableMessage *
-copy_message (const struct GNUNET_CADET_Data *msg, uint32_t mid,
+copy_message (const struct GNUNET_CADET_ChannelAppDataMessage *msg, uint32_t mid,
struct CadetChannelReliability *rel)
{
struct CadetReliableMessage *copy;
copy = GNUNET_malloc (sizeof (*copy) + size);
copy->mid = mid;
copy->rel = rel;
- copy->type = GNUNET_MESSAGE_TYPE_CADET_DATA;
- memcpy (©[1], msg, size);
+ copy->type = GNUNET_MESSAGE_TYPE_CADET_CHANNEL_APP_DATA;
+ GNUNET_memcpy (©[1], msg, size);
return copy;
}
* @param rel Reliability data to the corresponding direction.
*/
static void
-add_buffered_data (const struct GNUNET_CADET_Data *msg,
+add_buffered_data (const struct GNUNET_CADET_ChannelAppDataMessage *msg,
struct CadetChannelReliability *rel)
{
struct CadetReliableMessage *copy;
mid = ntohl (msg->mid);
- LOG (GNUNET_ERROR_TYPE_DEBUG, "add_buffered_data %u\n", mid);
+ LOG (GNUNET_ERROR_TYPE_DEBUG, "add_buffered_data MID %u (%u)\n",
+ mid, rel->n_recv);
rel->n_recv++;
if (prev->mid == mid)
{
LOG (GNUNET_ERROR_TYPE_DEBUG, " already there!\n");
+ rel->n_recv--;
return;
}
else if (GC_is_pid_bigger (prev->mid, mid))
}
}
copy = copy_message (msg, mid, rel);
- LOG (GNUNET_ERROR_TYPE_DEBUG, " insert at tail!\n");
+ LOG (GNUNET_ERROR_TYPE_DEBUG, " insert at tail! (now: %u)\n", rel->n_recv);
GNUNET_CONTAINER_DLL_insert_tail (rel->head_recv, rel->tail_recv, copy);
LOG (GNUNET_ERROR_TYPE_DEBUG, "add_buffered_data END\n");
}
}
/* Assign local id as destination */
- ch->lid_dest = GML_get_next_chid (c);
+ ch->lid_dest = GML_get_next_ccn (c);
/* Store in client's hashmap */
GML_channel_add (c, ch->lid_dest, ch);
static void
send_destroy (struct CadetChannel *ch, int local_only)
{
- struct GNUNET_CADET_ChannelManage msg;
+ struct GNUNET_CADET_ChannelManageMessage msg;
msg.header.type = htons (GNUNET_MESSAGE_TYPE_CADET_CHANNEL_DESTROY);
msg.header.size = htons (sizeof (msg));
- msg.chid = htonl (ch->gid);
+ msg.ctn = ch->gid;
/* If root is not NULL, notify.
* If it's NULL, check lid_root. When a local destroy comes in, root
*/
if (NULL != ch->root)
GML_send_channel_destroy (ch->root, ch->lid_root);
- else if (0 == ch->lid_root && GNUNET_NO == local_only)
+ else if (0 == ch->lid_root.channel_of_client && GNUNET_NO == local_only)
GCCH_send_prebuilt_message (&msg.header, ch, GNUNET_NO, NULL);
if (NULL != ch->dest)
GML_send_channel_destroy (ch->dest, ch->lid_dest);
- else if (0 == ch->lid_dest && GNUNET_NO == local_only)
+ else if (0 == ch->lid_dest.channel_of_client && GNUNET_NO == local_only)
GCCH_send_prebuilt_message (&msg.header, ch, GNUNET_YES, NULL);
}
opt = 0;
opt |= GNUNET_YES == ch->reliable ? GNUNET_CADET_OPTION_RELIABLE : 0;
opt |= GNUNET_YES == ch->nobuffer ? GNUNET_CADET_OPTION_NOBUFFER : 0;
- GML_send_channel_create (ch->dest, ch->lid_dest, ch->port, opt,
+ GML_send_channel_create (ch->dest,
+ ch->lid_dest,
+ &ch->port,
+ opt,
GCT_get_destination (ch->t));
}
*/
static void
send_client_data (struct CadetChannel *ch,
- const struct GNUNET_CADET_Data *msg,
+ const struct GNUNET_CADET_ChannelAppDataMessage *msg,
int fwd)
{
if (fwd)
{
if (ch->dest_rel->client_ready)
+ {
GML_send_data (ch->dest, msg, ch->lid_dest);
+ ch->dest_rel->client_ready = GNUNET_NO;
+ ch->dest_rel->mid_recv++;
+ }
else
add_buffered_data (msg, ch->dest_rel);
}
else
{
if (ch->root_rel->client_ready)
+ {
GML_send_data (ch->root, msg, ch->lid_root);
+ ch->root_rel->client_ready = GNUNET_NO;
+ ch->root_rel->mid_recv++;
+ }
else
add_buffered_data (msg, ch->root_rel);
}
{
if (copy->mid == rel->mid_recv || GNUNET_NO == ch->reliable)
{
- struct GNUNET_CADET_Data *msg = (struct GNUNET_CADET_Data *) ©[1];
+ struct GNUNET_CADET_ChannelAppDataMessage *msg = (struct GNUNET_CADET_ChannelAppDataMessage *) ©[1];
- LOG (GNUNET_ERROR_TYPE_DEBUG,
- " have %u! now expecting %u\n",
+ LOG (GNUNET_ERROR_TYPE_DEBUG, " have %u! now expecting %u\n",
copy->mid, rel->mid_recv + 1);
send_client_data (ch, msg, fwd);
rel->n_recv--;
- rel->mid_recv++;
GNUNET_CONTAINER_DLL_remove (rel->head_recv, rel->tail_recv, copy);
- LOG (GNUNET_ERROR_TYPE_DEBUG, " COPYFREE RECV %p\n", copy);
+ LOG (GNUNET_ERROR_TYPE_DEBUG, " free copy recv MID %u (%p), %u left\n",
+ copy->mid, copy, rel->n_recv);
GNUNET_free (copy);
+ GCCH_send_data_ack (ch, fwd);
}
else
{
- LOG (GNUNET_ERROR_TYPE_DEBUG,
- " reliable && don't have %u, next is %u\n",
- rel->mid_recv,
- copy->mid);
+ LOG (GNUNET_ERROR_TYPE_DEBUG, " reliable && don't have %u, next is %u\n",
+ rel->mid_recv, copy->mid);
if (GNUNET_YES == ch->destroy)
{
/* We don't have the next data piece and the remote peer has closed the
* We haven't received an ACK after a certain time: restransmit the message.
*
* @param cls Closure (CadetChannelReliability with the message to restransmit)
- * @param tc TaskContext.
*/
static void
-channel_retransmit_message (void *cls,
- const struct GNUNET_SCHEDULER_TaskContext *tc)
+channel_retransmit_message (void *cls)
{
struct CadetChannelReliability *rel = cls;
struct CadetReliableMessage *copy;
struct CadetChannel *ch;
- struct GNUNET_CADET_Data *payload;
+ struct GNUNET_CADET_ChannelAppDataMessage *payload;
int fwd;
- rel->retry_task = GNUNET_SCHEDULER_NO_TASK;
- if (0 != (tc->reason & GNUNET_SCHEDULER_REASON_SHUTDOWN))
- return;
-
+ rel->retry_task = NULL;
ch = rel->ch;
copy = rel->head_sent;
if (NULL == copy)
{
- GNUNET_break (0);
+ GNUNET_break (0); // FIXME tripped in rps testcase
return;
}
- payload = (struct GNUNET_CADET_Data *) ©[1];
+ payload = (struct GNUNET_CADET_ChannelAppDataMessage *) ©[1];
fwd = (rel == ch->root_rel);
/* Message not found in the queue that we are going to use. */
- LOG (GNUNET_ERROR_TYPE_DEBUG, "!!! RETRANSMIT %u\n", copy->mid);
+ LOG (GNUNET_ERROR_TYPE_DEBUG, "RETRANSMIT MID %u\n", copy->mid);
GCCH_send_prebuilt_message (&payload->header, ch, fwd, copy);
GNUNET_STATISTICS_update (stats, "# data retransmitted", 1, GNUNET_NO);
* We haven't received an Channel ACK after a certain time: resend the CREATE.
*
* @param cls Closure (CadetChannelReliability of the channel to recreate)
- * @param tc TaskContext.
*/
static void
-channel_recreate (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
+channel_recreate (void *cls)
{
struct CadetChannelReliability *rel = cls;
- rel->retry_task = GNUNET_SCHEDULER_NO_TASK;
- if (0 != (tc->reason & GNUNET_SCHEDULER_REASON_SHUTDOWN))
- return;
-
- LOG (GNUNET_ERROR_TYPE_DEBUG, "!!! RE-CREATE\n");
- GNUNET_STATISTICS_update (stats, "# data retransmitted", 1, GNUNET_NO);
+ rel->retry_task = NULL;
+ LOG (GNUNET_ERROR_TYPE_DEBUG, "RE-CREATE\n");
+ GNUNET_STATISTICS_update (stats,
+ "# data retransmitted", 1, GNUNET_NO);
if (rel == rel->ch->root_rel)
{
}
else if (rel == rel->ch->dest_rel)
{
- send_ack (rel->ch, GNUNET_YES, GNUNET_NO);
+ send_ack (rel->ch, GNUNET_YES);
}
else
{
GNUNET_break (0);
}
-
}
struct CadetReliableMessage *copy = chq->copy;
struct CadetChannelReliability *rel;
- LOG (GNUNET_ERROR_TYPE_DEBUG, "channel message sent callback %s\n",
+ LOG (GNUNET_ERROR_TYPE_DEBUG, "channel_message_sent callback %s\n",
GC_m2s (chq->type));
switch (chq->type)
{
- case GNUNET_MESSAGE_TYPE_CADET_DATA:
- LOG (GNUNET_ERROR_TYPE_DEBUG, "!!! SENT DATA MID %u\n", copy->mid);
+ case GNUNET_MESSAGE_TYPE_CADET_CHANNEL_APP_DATA:
+ LOG (GNUNET_ERROR_TYPE_DEBUG, "data MID %u sent\n", copy->mid);
GNUNET_assert (chq == copy->chq);
copy->timestamp = GNUNET_TIME_absolute_get ();
rel = copy->rel;
- if (GNUNET_SCHEDULER_NO_TASK == rel->retry_task)
+ if (NULL == rel->retry_task)
{
- LOG (GNUNET_ERROR_TYPE_DEBUG, "!! scheduling retry in 4 * %s\n",
+ LOG (GNUNET_ERROR_TYPE_DEBUG, " scheduling retry in %d * %s\n",
+ CADET_RETRANSMIT_MARGIN,
GNUNET_STRINGS_relative_time_to_string (rel->expected_delay,
GNUNET_YES));
if (0 != rel->expected_delay.rel_value_us)
{
- LOG (GNUNET_ERROR_TYPE_DEBUG, "!! delay != 0\n");
rel->retry_timer =
- GNUNET_TIME_relative_multiply (rel->expected_delay,
- CADET_RETRANSMIT_MARGIN);
+ GNUNET_TIME_relative_saturating_multiply (rel->expected_delay,
+ CADET_RETRANSMIT_MARGIN);
}
else
{
- LOG (GNUNET_ERROR_TYPE_DEBUG, "!! delay reset\n");
rel->retry_timer = CADET_RETRANSMIT_TIME;
}
- LOG (GNUNET_ERROR_TYPE_DEBUG, "!! using delay %s\n",
+ LOG (GNUNET_ERROR_TYPE_DEBUG, " using delay %s\n",
GNUNET_STRINGS_relative_time_to_string (rel->retry_timer,
GNUNET_NO));
rel->retry_task =
}
else
{
- LOG (GNUNET_ERROR_TYPE_DEBUG, "!! retry task %u\n", rel->retry_task);
+ LOG (GNUNET_ERROR_TYPE_DEBUG, "retry running %p\n", rel->retry_task);
}
copy->chq = NULL;
break;
- case GNUNET_MESSAGE_TYPE_CADET_DATA_ACK:
- case GNUNET_MESSAGE_TYPE_CADET_CHANNEL_CREATE:
- case GNUNET_MESSAGE_TYPE_CADET_CHANNEL_ACK:
- LOG (GNUNET_ERROR_TYPE_DEBUG, "!!! SENT %s\n", GC_m2s (chq->type));
+ case GNUNET_MESSAGE_TYPE_CADET_CHANNEL_APP_DATA_ACK:
+ case GNUNET_MESSAGE_TYPE_CADET_CHANNEL_OPEN:
+ case GNUNET_MESSAGE_TYPE_CADET_CHANNEL_OPEN_ACK:
+ LOG (GNUNET_ERROR_TYPE_DEBUG, "sent %s\n", GC_m2s (chq->type));
rel = chq->rel;
GNUNET_assert (rel->uniq == chq);
rel->uniq = NULL;
if (CADET_CHANNEL_READY != rel->ch->state
- && GNUNET_MESSAGE_TYPE_CADET_DATA_ACK != type
+ && GNUNET_MESSAGE_TYPE_CADET_CHANNEL_APP_DATA_ACK != type
&& GNUNET_NO == rel->ch->destroy)
{
- GNUNET_assert (GNUNET_SCHEDULER_NO_TASK == rel->retry_task);
- LOG (GNUNET_ERROR_TYPE_DEBUG, "!!! STD BACKOFF %s\n",
+ GNUNET_assert (NULL == rel->retry_task);
+ LOG (GNUNET_ERROR_TYPE_DEBUG, "STD BACKOFF %s\n",
GNUNET_STRINGS_relative_time_to_string (rel->retry_timer,
GNUNET_NO));
rel->retry_timer = GNUNET_TIME_STD_BACKOFF (rel->retry_timer);
static void
send_create (struct CadetChannel *ch)
{
- struct GNUNET_CADET_ChannelCreate msgcc;
+ struct GNUNET_CADET_ChannelOpenMessage msgcc;
msgcc.header.size = htons (sizeof (msgcc));
- msgcc.header.type = htons (GNUNET_MESSAGE_TYPE_CADET_CHANNEL_CREATE);
- msgcc.chid = htonl (ch->gid);
- msgcc.port = htonl (ch->port);
+ msgcc.header.type = htons (GNUNET_MESSAGE_TYPE_CADET_CHANNEL_OPEN);
+ msgcc.ctn = ch->gid;
+ msgcc.port = ch->port;
msgcc.opt = htonl (channel_get_options (ch));
GCCH_send_prebuilt_message (&msgcc.header, ch, GNUNET_YES, NULL);
*
* @param ch The channel to confirm.
* @param fwd Should we send a FWD ACK? (going dest->root)
- * @param reaction This ACK is a reaction to a duplicate CREATE, don't save.
*/
static void
-send_ack (struct CadetChannel *ch, int fwd, int reaction)
+send_ack (struct CadetChannel *ch, int fwd)
{
- struct GNUNET_CADET_ChannelManage msg;
+ struct GNUNET_CADET_ChannelManageMessage msg;
msg.header.size = htons (sizeof (msg));
- msg.header.type = htons (GNUNET_MESSAGE_TYPE_CADET_CHANNEL_ACK);
- LOG (GNUNET_ERROR_TYPE_DEBUG, " sending channel %s ack for channel %s\n",
+ msg.header.type = htons (GNUNET_MESSAGE_TYPE_CADET_CHANNEL_OPEN_ACK);
+ LOG (GNUNET_ERROR_TYPE_DEBUG,
+ " sending channel %s ack for channel %s\n",
GC_f2s (fwd), GCCH_2s (ch));
- msg.chid = htonl (ch->gid);
- GCCH_send_prebuilt_message (&msg.header, ch, !fwd, reaction ? &msg : NULL);
+ msg.ctn =ch->gid;
+ GCCH_send_prebuilt_message (&msg.header, ch, !fwd, NULL);
}
struct CadetChannel *ch,
int force)
{
- GNUNET_break (NULL == GCT_send_prebuilt_message (msg, ch->t, NULL,
- force, NULL, NULL));
+ GNUNET_break (NULL ==
+ GCT_send_prebuilt_message (msg, ch->t, NULL,
+ force, NULL, NULL));
}
static void
send_nack (struct CadetChannel *ch)
{
- struct GNUNET_CADET_ChannelManage msg;
+ struct GNUNET_CADET_ChannelManageMessage msg;
msg.header.size = htons (sizeof (msg));
- msg.header.type = htons (GNUNET_MESSAGE_TYPE_CADET_CHANNEL_NACK);
+ msg.header.type = htons (GNUNET_MESSAGE_TYPE_CADET_CHANNEL_OPEN_NACK_DEPRECATED);
LOG (GNUNET_ERROR_TYPE_DEBUG,
" sending channel NACK for channel %s\n",
GCCH_2s (ch));
- msg.chid = htonl (ch->gid);
+ msg.ctn = ch->gid;
GCCH_send_prebuilt_message (&msg.header, ch, GNUNET_NO, NULL);
}
{
next = copy->next;
GNUNET_CONTAINER_DLL_remove (rel->head_recv, rel->tail_recv, copy);
- LOG (GNUNET_ERROR_TYPE_DEBUG, " COPYFREE BATCH RECV %p\n", copy);
+ LOG (GNUNET_ERROR_TYPE_DEBUG, " COPYFREE ALL RECV %p\n", copy);
GNUNET_break (NULL == copy->chq);
GNUNET_free (copy);
}
{
next = copy->next;
GNUNET_CONTAINER_DLL_remove (rel->head_sent, rel->tail_sent, copy);
- LOG (GNUNET_ERROR_TYPE_DEBUG, " COPYFREE BATCH %p\n", copy);
+ LOG (GNUNET_ERROR_TYPE_DEBUG, " COPYFREE ALL SEND %p\n", copy);
if (NULL != copy->chq)
{
if (NULL != copy->chq->tq)
GCT_cancel (rel->uniq->tq);
/* ch_message_sent is called freeing uniq */
}
- if (GNUNET_SCHEDULER_NO_TASK != rel->retry_task)
+ if (NULL != rel->retry_task)
{
GNUNET_SCHEDULER_cancel (rel->retry_task);
- rel->retry_task = GNUNET_SCHEDULER_NO_TASK;
+ rel->retry_task = NULL;
}
GNUNET_free (rel);
}
*
* @param rel Reliability data.
* @param msg DataACK message with a bitfield of future ACK'd messages.
+ *
+ * @return How many messages have been freed.
*/
-static void
+static unsigned int
channel_rel_free_sent (struct CadetChannelReliability *rel,
- const struct GNUNET_CADET_DataACK *msg)
+ const struct GNUNET_CADET_ChannelDataAckMessage *msg)
{
struct CadetReliableMessage *copy;
struct CadetReliableMessage *next;
uint32_t mid;
uint32_t target;
unsigned int i;
+ unsigned int r;
bitfield = msg->futures;
mid = ntohl (msg->mid);
- LOG (GNUNET_ERROR_TYPE_DEBUG,
- "!!! free_sent_reliable %u %llX\n",
- mid, bitfield);
- LOG (GNUNET_ERROR_TYPE_DEBUG,
- " rel %p, head %p\n",
- rel, rel->head_sent);
- for (i = 0, copy = rel->head_sent;
+ LOG (GNUNET_ERROR_TYPE_DEBUG, "free_sent_reliable %u %lX\n", mid, bitfield);
+ LOG (GNUNET_ERROR_TYPE_DEBUG, " rel %p, head %p\n", rel, rel->head_sent);
+ for (i = 0, r = 0, copy = rel->head_sent;
i < 64 && NULL != copy && 0 != bitfield;
i++)
{
- LOG (GNUNET_ERROR_TYPE_DEBUG,
- " trying bit %u (mid %u)\n",
- i, mid + i + 1);
+ LOG (GNUNET_ERROR_TYPE_DEBUG, " trying bit %u (mid %u)\n", i, mid + i + 1);
mask = 0x1LL << i;
if (0 == (bitfield & mask))
continue;
/* Did we run out of copies? (previously freed, it's ok) */
if (NULL == copy)
{
- LOG (GNUNET_ERROR_TYPE_DEBUG, "run out of copies...\n");
- return;
+ LOG (GNUNET_ERROR_TYPE_DEBUG, "run out of copies...\n");
+ return r;
}
/* Did we overshoot the target? (previously freed, it's ok) */
if (GC_is_pid_bigger (copy->mid, target))
{
- LOG (GNUNET_ERROR_TYPE_DEBUG, " next copy %u\n", copy->mid);
- continue;
+ LOG (GNUNET_ERROR_TYPE_DEBUG, " next copy %u\n", copy->mid);
+ i += copy->mid - target - 1; /* MID: 90, t = 85, i += 4 (i++ later) */
+ mask = (0x1LL << (i + 1)) - 1; /* Mask = i-th bit and all before */
+ bitfield &= ~mask; /* Clear all bits up to MID - 1 */
+ continue;
}
/* Now copy->mid == target, free it */
next = copy->next;
GNUNET_break (GNUNET_YES != rel_message_free (copy, GNUNET_YES));
+ r++;
copy = next;
}
LOG (GNUNET_ERROR_TYPE_DEBUG, "free_sent_reliable END\n");
+ return r;
}
struct GNUNET_TIME_Relative time;
rel = copy->rel;
- LOG (GNUNET_ERROR_TYPE_DEBUG, "!!! Freeing %u\n", copy->mid);
- if (update_time)
+ LOG (GNUNET_ERROR_TYPE_DEBUG, "Freeing %u\n", copy->mid);
+ if (GNUNET_YES == update_time)
{
time = GNUNET_TIME_absolute_get_duration (copy->timestamp);
if (0 == rel->expected_delay.rel_value_us)
rel->expected_delay.rel_value_us += time.rel_value_us;
rel->expected_delay.rel_value_us /= 8;
}
- LOG (GNUNET_ERROR_TYPE_INFO, "!!! took %s, new delay %s\n",
- GNUNET_STRINGS_relative_time_to_string (time, GNUNET_NO),
+ LOG (GNUNET_ERROR_TYPE_DEBUG, " message time %12s\n",
+ GNUNET_STRINGS_relative_time_to_string (time, GNUNET_NO));
+ LOG (GNUNET_ERROR_TYPE_DEBUG, " new delay %12s\n",
GNUNET_STRINGS_relative_time_to_string (rel->expected_delay,
GNUNET_NO));
rel->retry_timer = rel->expected_delay;
}
else
{
- LOG (GNUNET_ERROR_TYPE_INFO, "!!! batch free, ignoring timing\n");
+ LOG (GNUNET_ERROR_TYPE_DEBUG, "batch free, ignoring timing\n");
}
rel->ch->pending_messages--;
if (NULL != copy->chq)
/* copy->q is set to NULL by ch_message_sent */
}
GNUNET_CONTAINER_DLL_remove (rel->head_sent, rel->tail_sent, copy);
- LOG (GNUNET_ERROR_TYPE_DEBUG, " COPYFREE %p\n", copy);
+ LOG (GNUNET_ERROR_TYPE_DEBUG, " free send copy MID %u at %p\n",
+ copy->mid, copy);
GNUNET_free (copy);
if (GNUNET_NO != rel->ch->destroy && 0 == rel->ch->pending_messages)
{
rel->client_ready = GNUNET_YES;
rel->expected_delay = rel->retry_timer;
- LOG (GNUNET_ERROR_TYPE_DEBUG, " !! retry timer confirm %s\n",
+ LOG (GNUNET_ERROR_TYPE_DEBUG, " confirm retry timer %s\n",
GNUNET_STRINGS_relative_time_to_string (rel->retry_timer, GNUNET_NO));
if (GCT_get_connections_buffer (ch->t) > 0 || GCT_is_loopback (ch->t))
send_client_ack (ch, fwd);
- if (GNUNET_SCHEDULER_NO_TASK != rel->retry_task)
+ if (NULL != rel->retry_task)
{
GNUNET_SCHEDULER_cancel (rel->retry_task);
- rel->retry_task = GNUNET_SCHEDULER_NO_TASK;
+ rel->retry_task = NULL;
}
else if (NULL != rel->uniq)
{
GCT_cancel (rel->uniq->tq);
/* ch_message_sent will free and NULL uniq */
}
- else
+ else if (GNUNET_NO == is_loopback (ch))
{
- if (GNUNET_NO == is_loopback (ch))
- {
- /* We SHOULD have been trying to retransmit this! */
- GNUNET_break (0);
- }
+ /* We SHOULD have been trying to retransmit this! */
+ GNUNET_break (0);
}
}
/* In case of a FWD ACK (SYNACK) send a BCK ACK (ACK). */
if (GNUNET_YES == fwd)
- send_ack (ch, GNUNET_NO, GNUNET_NO);
+ send_ack (ch, GNUNET_NO);
}
type = ntohs (msg->type);
size = ntohs (msg->size);
- LOG (GNUNET_ERROR_TYPE_DEBUG, "!!! SAVE %u %s\n", mid, GC_m2s (type));
+ LOG (GNUNET_ERROR_TYPE_DEBUG, "save MID %u %s\n", mid, GC_m2s (type));
copy = GNUNET_malloc (sizeof (struct CadetReliableMessage) + size);
LOG (GNUNET_ERROR_TYPE_DEBUG, " at %p\n", copy);
copy->mid = mid;
copy->rel = rel;
copy->type = type;
- memcpy (©[1], msg, size);
+ GNUNET_memcpy (©[1], msg, size);
GNUNET_CONTAINER_DLL_insert_tail (rel->head_sent, rel->tail_sent, copy);
ch->pending_messages++;
static struct CadetChannel *
channel_new (struct CadetTunnel *t,
struct CadetClient *owner,
- CADET_ChannelNumber lid_root)
+ struct GNUNET_CADET_ClientChannelNumber lid_root)
{
struct CadetChannel *ch;
if (NULL != owner)
{
- ch->gid = GCT_get_next_chid (t);
+ ch->gid = GCT_get_next_ctn (t);
GML_channel_add (owner, lid_root, ch);
}
GCT_add_channel (t, ch);
switch (type)
{
- case GNUNET_MESSAGE_TYPE_CADET_DATA:
+ case GNUNET_MESSAGE_TYPE_CADET_CHANNEL_APP_DATA:
/* Don't send hop ACK, wait for client to ACK */
- LOG (GNUNET_ERROR_TYPE_DEBUG, "!!! SEND loopback %u (%u)\n",
- ntohl (((struct GNUNET_CADET_Data *) msgh)->mid), ntohs (msgh->size));
- GCCH_handle_data (ch, (struct GNUNET_CADET_Data *) msgh, fwd);
+ LOG (GNUNET_ERROR_TYPE_DEBUG, "SEND loopback %u (%u)\n",
+ ntohl (((struct GNUNET_CADET_ChannelAppDataMessage *) msgh)->mid), ntohs (msgh->size));
+ GCCH_handle_data (ch, (struct GNUNET_CADET_ChannelAppDataMessage *) msgh, fwd);
break;
- case GNUNET_MESSAGE_TYPE_CADET_DATA_ACK:
- GCCH_handle_data_ack (ch, (struct GNUNET_CADET_DataACK *) msgh, fwd);
+ case GNUNET_MESSAGE_TYPE_CADET_CHANNEL_APP_DATA_ACK:
+ GCCH_handle_data_ack (ch,
+ (const struct GNUNET_CADET_ChannelDataAckMessage *) msgh, fwd);
break;
- case GNUNET_MESSAGE_TYPE_CADET_CHANNEL_CREATE:
+ case GNUNET_MESSAGE_TYPE_CADET_CHANNEL_OPEN:
GCCH_handle_create (ch->t,
- (struct GNUNET_CADET_ChannelCreate *) msgh);
+ (const struct GNUNET_CADET_ChannelOpenMessage *) msgh);
break;
- case GNUNET_MESSAGE_TYPE_CADET_CHANNEL_ACK:
+ case GNUNET_MESSAGE_TYPE_CADET_CHANNEL_OPEN_ACK:
GCCH_handle_ack (ch,
- (struct GNUNET_CADET_ChannelManage *) msgh,
+ (const struct GNUNET_CADET_ChannelManageMessage *) msgh,
fwd);
break;
- case GNUNET_MESSAGE_TYPE_CADET_CHANNEL_NACK:
+ case GNUNET_MESSAGE_TYPE_CADET_CHANNEL_OPEN_NACK_DEPRECATED:
GCCH_handle_nack (ch);
break;
case GNUNET_MESSAGE_TYPE_CADET_CHANNEL_DESTROY:
GCCH_handle_destroy (ch,
- (struct GNUNET_CADET_ChannelManage *) msgh,
+ (const struct GNUNET_CADET_ChannelManageMessage *) msgh,
fwd);
break;
LOG (GNUNET_ERROR_TYPE_DEBUG, "destroying channel %s:%u\n",
GCT_2s (ch->t), ch->gid);
- GCCH_debug (ch);
+ GCCH_debug (ch, GNUNET_ERROR_TYPE_DEBUG);
c = ch->root;
if (NULL != c)
*
* @return ID used to identify the channel with the remote peer.
*/
-CADET_ChannelNumber
+struct GNUNET_CADET_ChannelTunnelNumber
GCCH_get_id (const struct CadetChannel *ch)
{
return ch->gid;
struct CadetChannelReliability *rel;
rel = fwd ? ch->dest_rel : ch->root_rel;
-
+ LOG (GNUNET_ERROR_TYPE_DEBUG, " get buffer, channel %s\n", GCCH_2s (ch));
+ GCCH_debug (ch, GNUNET_ERROR_TYPE_DEBUG);
/* If rel is NULL it means that the end is not yet created,
* most probably is a loopback channel at the point of sending
* the ChannelCreate to itself.
*/
if (NULL == rel)
+ {
+ LOG (GNUNET_ERROR_TYPE_DEBUG, " rel is NULL: max\n");
return 64;
+ }
+ LOG (GNUNET_ERROR_TYPE_DEBUG, " n_recv %d\n", rel->n_recv);
return (64 - rel->n_recv);
}
void
GCCH_send_data_ack (struct CadetChannel *ch, int fwd)
{
- struct GNUNET_CADET_DataACK msg;
+ struct GNUNET_CADET_ChannelDataAckMessage msg;
struct CadetChannelReliability *rel;
struct CadetReliableMessage *copy;
unsigned int delta;
uint32_t ack;
if (GNUNET_NO == ch->reliable)
- {
return;
- }
+
rel = fwd ? ch->dest_rel : ch->root_rel;
ack = rel->mid_recv - 1;
- LOG (GNUNET_ERROR_TYPE_INFO, "===> DATA_ACK for %u\n", ack);
- msg.header.type = htons (GNUNET_MESSAGE_TYPE_CADET_DATA_ACK);
+ msg.header.type = htons (GNUNET_MESSAGE_TYPE_CADET_CHANNEL_APP_DATA_ACK);
msg.header.size = htons (sizeof (msg));
- msg.chid = htonl (ch->gid);
- msg.futures = 0;
+ msg.ctn = ch->gid;
+ msg.mid = htonl (ack);
+
+ msg.futures = 0LL;
for (copy = rel->head_recv; NULL != copy; copy = copy->next)
{
- if (copy->type != GNUNET_MESSAGE_TYPE_CADET_DATA)
+ if (copy->type != GNUNET_MESSAGE_TYPE_CADET_CHANNEL_APP_DATA)
{
- LOG (GNUNET_ERROR_TYPE_DEBUG,
- "!! Type %s, expected DATA\n",
+ LOG (GNUNET_ERROR_TYPE_DEBUG, " Type %s, expected DATA\n",
GC_m2s (copy->type));
continue;
}
- if (copy->mid == ack + 1)
- {
- ack++;
- continue;
- }
+ GNUNET_assert (GC_is_pid_bigger(copy->mid, ack));
delta = copy->mid - (ack + 1);
if (63 < delta)
break;
mask = 0x1LL << delta;
msg.futures |= mask;
LOG (GNUNET_ERROR_TYPE_DEBUG,
- " !! setting bit for %u (delta %u) (%llX) -> %llX\n",
+ " setting bit for %u (delta %u) (%lX) -> %lX\n",
copy->mid, delta, mask, msg.futures);
}
- msg.mid = htonl (ack);
- LOG (GNUNET_ERROR_TYPE_DEBUG,
- "!!! ACK for %u, futures %llX\n",
- ack, msg.futures);
GCCH_send_prebuilt_message (&msg.header, ch, !fwd, NULL);
LOG (GNUNET_ERROR_TYPE_DEBUG, "send_data_ack END\n");
return;
}
else
+ {
LOG (GNUNET_ERROR_TYPE_DEBUG, " gap ok: %u - %u\n",
rel->head_sent->mid, rel->mid_send);
+ struct CadetReliableMessage *aux;
+ for (aux = rel->head_sent; NULL != aux; aux = aux->next)
+ {
+ LOG (GNUNET_ERROR_TYPE_DEBUG, " - sent mid %u\n", aux->mid);
+ }
+ }
}
else
{
* Log channel info.
*
* @param ch Channel.
+ * @param level Debug level to use.
*/
void
-GCCH_debug (struct CadetChannel *ch)
+GCCH_debug (struct CadetChannel *ch, enum GNUNET_ErrorType level)
{
+ int do_log;
+
+ do_log = GNUNET_get_log_call_status (level & (~GNUNET_ERROR_TYPE_BULK),
+ "cadet-chn",
+ __FILE__, __FUNCTION__, __LINE__);
+ if (0 == do_log)
+ return;
+
if (NULL == ch)
{
- LOG (GNUNET_ERROR_TYPE_DEBUG, "*** DEBUG NULL CHANNEL ***\n");
+ LOG2 (level, "CHN *** DEBUG NULL CHANNEL ***\n");
return;
}
- LOG (GNUNET_ERROR_TYPE_DEBUG, "Channel %s:%X (%p)\n",
- GCT_2s (ch->t), ch->gid, ch);
- LOG (GNUNET_ERROR_TYPE_DEBUG, " root %p/%p\n",
- ch->root, ch->root_rel);
+ LOG2 (level, "CHN Channel %s:%X (%p)\n", GCT_2s (ch->t), ch->gid, ch);
+ LOG2 (level, "CHN root %p/%p\n", ch->root, ch->root_rel);
if (NULL != ch->root)
{
- LOG (GNUNET_ERROR_TYPE_DEBUG, " cli %s\n", GML_2s (ch->root));
- LOG (GNUNET_ERROR_TYPE_DEBUG, " ready %s\n",
- ch->root_rel->client_ready ? "YES" : "NO");
- LOG (GNUNET_ERROR_TYPE_DEBUG, " id %X\n", ch->lid_root);
+ LOG2 (level, "CHN cli %s\n", GML_2s (ch->root));
+ LOG2 (level, "CHN ready %s\n", ch->root_rel->client_ready ? "YES" : "NO");
+ LOG2 (level, "CHN id %X\n", ch->lid_root.channel_of_client);
+ LOG2 (level, "CHN recv %d\n", ch->root_rel->n_recv);
+ LOG2 (level, "CHN MID r: %d, s: %d\n",
+ ch->root_rel->mid_recv, ch->root_rel->mid_send);
}
- LOG (GNUNET_ERROR_TYPE_DEBUG, " dest %p/%p\n",
+ LOG2 (level, "CHN dest %p/%p\n",
ch->dest, ch->dest_rel);
if (NULL != ch->dest)
{
- LOG (GNUNET_ERROR_TYPE_DEBUG, " cli %s\n", GML_2s (ch->dest));
- LOG (GNUNET_ERROR_TYPE_DEBUG, " ready %s\n",
- ch->dest_rel->client_ready ? "YES" : "NO");
- LOG (GNUNET_ERROR_TYPE_DEBUG, " id %X\n", ch->lid_dest);
+ LOG2 (level, "CHN cli %s\n", GML_2s (ch->dest));
+ LOG2 (level, "CHN ready %s\n", ch->dest_rel->client_ready ? "YES" : "NO");
+ LOG2 (level, "CHN id %X\n", ch->lid_dest);
+ LOG2 (level, "CHN recv %d\n", ch->dest_rel->n_recv);
+ LOG2 (level, "CHN MID r: %d, s: %d\n",
+ ch->dest_rel->mid_recv, ch->dest_rel->mid_send);
+
}
}
{
send_destroy (ch, GNUNET_YES);
GCCH_destroy (ch);
+ return;
}
/* if loopback is marked for destruction, no need to ACK to the other peer,
* it requested the destruction and is already gone, therefore, else if.
*
* @param ch Channel.
* @param c Client which sent the data.
- * @param message Message.
* @param fwd Is this a FWD data?
+ * @param message Data message.
+ * @param size Size of data.
*
- * @return GNUNET_OK if everything goes well, GNUNET_SYSERR in case of en error.
+ * @return #GNUNET_OK if everything goes well, #GNUNET_SYSERR in case of en error.
*/
int
GCCH_handle_local_data (struct CadetChannel *ch,
struct CadetClient *c,
- struct GNUNET_MessageHeader *message,
- int fwd)
+ int fwd,
+ const struct GNUNET_MessageHeader *message,
+ size_t size)
{
struct CadetChannelReliability *rel;
- struct GNUNET_CADET_Data *payload;
- size_t size = ntohs (message->size);
- uint16_t p2p_size = sizeof(struct GNUNET_CADET_Data) + size;
+ struct GNUNET_CADET_ChannelAppDataMessage *payload;
+ uint16_t p2p_size = sizeof(struct GNUNET_CADET_ChannelAppDataMessage) + size;
unsigned char cbuf[p2p_size];
+ unsigned char buffer;
/* Is the client in the channel? */
if ( !( (fwd &&
rel->client_allowed = GNUNET_NO;
/* Ok, everything is correct, send the message. */
- payload = (struct GNUNET_CADET_Data *) cbuf;
+ payload = (struct GNUNET_CADET_ChannelAppDataMessage *) cbuf;
payload->mid = htonl (rel->mid_send);
rel->mid_send++;
- memcpy (&payload[1], message, size);
+ GNUNET_memcpy (&payload[1], message, size);
payload->header.size = htons (p2p_size);
- payload->header.type = htons (GNUNET_MESSAGE_TYPE_CADET_DATA);
- payload->chid = htonl (ch->gid);
+ payload->header.type = htons (GNUNET_MESSAGE_TYPE_CADET_CHANNEL_APP_DATA);
+ payload->ctn = ch->gid;
LOG (GNUNET_ERROR_TYPE_DEBUG, " sending on channel...\n");
GCCH_send_prebuilt_message (&payload->header, ch, fwd, NULL);
if (is_loopback (ch))
- {
- if (GCCH_get_buffer (ch, fwd) > 0)
- GCCH_allow_client (ch, fwd);
-
- return GNUNET_OK;
- }
+ buffer = GCCH_get_buffer (ch, fwd);
+ else
+ buffer = GCT_get_connections_buffer (ch->t);
- if (GCT_get_connections_buffer (ch->t) > 0)
- {
+ if (0 < buffer)
GCCH_allow_client (ch, fwd);
- }
return GNUNET_OK;
}
/**
* Handle a channel destroy requested by a client.
*
+ * TODO: add "reason" field
+ *
* Destroy the channel and the tunnel in case this was the last channel.
*
* @param ch Channel.
* @param c Client that requested the creation (will be the root).
* @param msg Create Channel message.
*
- * @return GNUNET_OK if everything went fine, GNUNET_SYSERR otherwise.
+ * @return #GNUNET_OK if everything went fine, #GNUNET_SYSERR otherwise.
*/
int
GCCH_handle_local_create (struct CadetClient *c,
- struct GNUNET_CADET_ChannelMessage *msg)
+ struct GNUNET_CADET_LocalChannelCreateMessage *msg)
{
struct CadetChannel *ch;
struct CadetTunnel *t;
struct CadetPeer *peer;
- CADET_ChannelNumber chid;
+ struct GNUNET_CADET_ClientChannelNumber ccn;
LOG (GNUNET_ERROR_TYPE_DEBUG, " towards %s:%u\n",
- GNUNET_i2s (&msg->peer), ntohl (msg->port));
- chid = ntohl (msg->channel_id);
+ GNUNET_i2s (&msg->peer), GNUNET_h2s (&msg->port));
+ ccn = msg->ccn;
/* Sanity check for duplicate channel IDs */
- if (NULL != GML_channel_get (c, chid))
+ if (NULL != GML_channel_get (c, ccn))
{
GNUNET_break (0);
return GNUNET_SYSERR;
}
- peer = GCP_get (&msg->peer);
+ peer = GCP_get (&msg->peer, GNUNET_YES);
GCP_add_tunnel (peer);
t = GCP_get_tunnel (peer);
}
/* Create channel */
- ch = channel_new (t, c, chid);
+ ch = channel_new (t, c, ccn);
if (NULL == ch)
{
GNUNET_break (0);
return GNUNET_SYSERR;
}
- ch->port = ntohl (msg->port);
+ ch->port = msg->port;
channel_set_options (ch, ntohl (msg->opt));
/* In unreliable channels, we'll use the DLL to buffer BCK data */
*/
void
GCCH_handle_data (struct CadetChannel *ch,
- const struct GNUNET_CADET_Data *msg,
+ const struct GNUNET_CADET_ChannelAppDataMessage *msg,
int fwd)
{
struct CadetChannelReliability *rel;
struct CadetClient *c;
+ struct GNUNET_MessageHeader *payload_msg;
uint32_t mid;
+ uint16_t payload_type;
+ uint16_t payload_size;
/* If this is a remote (non-loopback) channel, find 'fwd'. */
if (GNUNET_SYSERR == fwd)
channel_confirm (ch, GNUNET_NO);
}
- GNUNET_STATISTICS_update (stats, "# data received", 1, GNUNET_NO);
+ payload_msg = (struct GNUNET_MessageHeader *) &msg[1];
+ payload_type = ntohs (payload_msg->type);
+ payload_size = ntohs (payload_msg->size);
+
+ GNUNET_STATISTICS_update (stats, "# messages received", 1, GNUNET_NO);
+ GNUNET_STATISTICS_update (stats, "# bytes received", payload_size, GNUNET_NO);
mid = ntohl (msg->mid);
- LOG (GNUNET_ERROR_TYPE_INFO, "<=== DATA %u %s on channel %s\n",
- mid, GC_f2s (fwd), GCCH_2s (ch));
+ LOG (GNUNET_ERROR_TYPE_INFO, "<== %s (%s %4u) on chan %s (%p) %s [%5u]\n",
+ GC_m2s (GNUNET_MESSAGE_TYPE_CADET_CHANNEL_APP_DATA), GC_m2s (payload_type), mid,
+ GCCH_2s (ch), ch, GC_f2s (fwd), ntohs (msg->header.size));
- if (GNUNET_NO == ch->reliable ||
- ( !GC_is_pid_bigger (rel->mid_recv, mid) &&
- GC_is_pid_bigger (rel->mid_recv + 64, mid) ) )
+ if ( (GNUNET_NO == ch->reliable) ||
+ ( (! GC_is_pid_bigger (rel->mid_recv, mid)) &&
+ GC_is_pid_bigger (rel->mid_recv + 64, mid) ) )
{
- LOG (GNUNET_ERROR_TYPE_DEBUG, "RECV %u (%u)\n",
- mid, ntohs (msg->header.size));
if (GNUNET_YES == ch->reliable)
{
/* Is this the exact next expected messasge? */
if (mid == rel->mid_recv)
{
- LOG (GNUNET_ERROR_TYPE_DEBUG, "as expected\n");
- rel->mid_recv++;
+ LOG (GNUNET_ERROR_TYPE_DEBUG,
+ "as expected, sending to client\n");
send_client_data (ch, msg, fwd);
}
else
{
- LOG (GNUNET_ERROR_TYPE_DEBUG, "save for later\n");
+ LOG (GNUNET_ERROR_TYPE_DEBUG,
+ "save for later\n");
add_buffered_data (msg, rel);
}
}
}
else
{
- GNUNET_break_op (GC_is_pid_bigger (rel->mid_recv, mid));
- LOG (GNUNET_ERROR_TYPE_WARNING,
- "MID %u on channel %s not expected (window: %u - %u). Dropping!\n",
- mid, GCCH_2s (ch), rel->mid_recv, rel->mid_recv + 63);
+ GNUNET_STATISTICS_update (stats, "# duplicate MID", 1, GNUNET_NO);
+ if (GC_is_pid_bigger (rel->mid_recv, mid))
+ {
+ GNUNET_break_op (0);
+ LOG (GNUNET_ERROR_TYPE_WARNING,
+ "MID %u on channel %s not expected (window: %u - %u). Dropping!\n",
+ mid, GCCH_2s (ch), rel->mid_recv, rel->mid_recv + 63);
+ }
+ else
+ {
+ LOG (GNUNET_ERROR_TYPE_INFO,
+ "Duplicate MID %u, channel %s (expecting MID %u). Re-sending ACK!\n",
+ mid, GCCH_2s (ch), rel->mid_recv);
+ if (NULL != rel->uniq)
+ {
+ LOG (GNUNET_ERROR_TYPE_WARNING,
+ "We are trying to send an ACK, but don't seem have the "
+ "bandwidth. Have you set enough [ats] QUOTA in your config?\n");
+ }
+
+ }
}
GCCH_send_data_ack (ch, fwd);
*/
void
GCCH_handle_data_ack (struct CadetChannel *ch,
- const struct GNUNET_CADET_DataACK *msg,
+ const struct GNUNET_CADET_ChannelDataAckMessage *msg,
int fwd)
{
struct CadetChannelReliability *rel;
}
ack = ntohl (msg->mid);
- LOG (GNUNET_ERROR_TYPE_INFO, "<=== %s ACK %u\n", GC_f2s (fwd), ack);
+ LOG (GNUNET_ERROR_TYPE_INFO,
+ "<== %s (0x%010lX %4u) on chan %s (%p) %s [%5u]\n",
+ GC_m2s (GNUNET_MESSAGE_TYPE_CADET_CHANNEL_APP_DATA_ACK), msg->futures, ack,
+ GCCH_2s (ch), ch, GC_f2s (fwd), ntohs (msg->header.size));
if (GNUNET_YES == fwd)
- {
rel = ch->root_rel;
- }
else
- {
rel = ch->dest_rel;
- }
+
if (NULL == rel)
{
- GNUNET_break_op (GNUNET_NO != ch->destroy);
+ GNUNET_break (GNUNET_NO != ch->destroy);
return;
}
if (GC_is_pid_bigger (copy->mid, ack))
{
LOG (GNUNET_ERROR_TYPE_DEBUG, " head %u, out!\n", copy->mid);
- channel_rel_free_sent (rel, msg);
+ if (0 < channel_rel_free_sent (rel, msg))
+ work = GNUNET_YES;
break;
}
work = GNUNET_YES;
LOG (GNUNET_ERROR_TYPE_DEBUG, " id %u\n", copy->mid);
next = copy->next;
if (GNUNET_YES == rel_message_free (copy, GNUNET_YES))
+ {
+ LOG (GNUNET_ERROR_TYPE_DEBUG, " channel destoyed\n");
return;
+ }
}
/* ACK client if needed and possible */
/* If some message was free'd, update the retransmission delay */
if (GNUNET_YES == work)
{
- if (GNUNET_SCHEDULER_NO_TASK != rel->retry_task)
+ if (NULL != rel->retry_task)
{
GNUNET_SCHEDULER_cancel (rel->retry_task);
- rel->retry_task = GNUNET_SCHEDULER_NO_TASK;
+ rel->retry_task = NULL;
if (NULL != rel->head_sent && NULL == rel->head_sent->chq)
{
struct GNUNET_TIME_Absolute new_target;
struct GNUNET_TIME_Relative delay;
- delay = GNUNET_TIME_relative_multiply (rel->retry_timer,
- CADET_RETRANSMIT_MARGIN);
+ delay = GNUNET_TIME_relative_saturating_multiply (rel->retry_timer,
+ CADET_RETRANSMIT_MARGIN);
new_target = GNUNET_TIME_absolute_add (rel->head_sent->timestamp,
delay);
delay = GNUNET_TIME_absolute_get_remaining (new_target);
}
else
{
- /* Work was done but no task was pending? Shouldn't happen! */
- GNUNET_break (0);
+ /* Work was done but no task was pending.
+ * Task was cancelled by a retransmission that is sitting in the queue.
+ */
+ // FIXME add test to make sure this is the case, probably add return
+ // value to GCCH_send_prebuilt_message
}
}
}
*/
struct CadetChannel *
GCCH_handle_create (struct CadetTunnel *t,
- const struct GNUNET_CADET_ChannelCreate *msg)
+ const struct GNUNET_CADET_ChannelOpenMessage *msg)
{
- CADET_ChannelNumber chid;
+ struct GNUNET_CADET_ClientChannelNumber ccn;
+ struct GNUNET_CADET_ChannelTunnelNumber gid;
struct CadetChannel *ch;
struct CadetClient *c;
int new_channel;
- int reaction;
+ const struct GNUNET_HashCode *port;
- reaction = GNUNET_NO;
- chid = ntohl (msg->chid);
- ch = GCT_get_channel (t, chid);
+ gid = msg->ctn;
+ ch = GCT_get_channel (t, gid);
if (NULL == ch)
{
/* Create channel */
- ch = channel_new (t, NULL, 0);
- ch->gid = chid;
+ ccn.channel_of_client = htonl (0);
+ ch = channel_new (t, NULL, ccn);
+ ch->gid = gid;
channel_set_options (ch, ntohl (msg->opt));
new_channel = GNUNET_YES;
}
{
new_channel = GNUNET_NO;
}
+ port = &msg->port;
+
+ LOG (GNUNET_ERROR_TYPE_INFO,
+ "<== %s ( 0x%08X %4u) on chan %s (%p) %s [%5u]\n",
+ GC_m2s (GNUNET_MESSAGE_TYPE_CADET_CHANNEL_OPEN), ccn, port,
+ GCCH_2s (ch), ch, GC_f2s (GNUNET_YES), ntohs (msg->header.size));
if (GNUNET_YES == new_channel || GCT_is_loopback (t))
{
/* Find a destination client */
- ch->port = ntohl (msg->port);
- LOG (GNUNET_ERROR_TYPE_DEBUG, " port %u\n", ch->port);
- c = GML_client_get_by_port (ch->port);
+ ch->port = *port;
+ LOG (GNUNET_ERROR_TYPE_DEBUG, " port %s\n", GNUNET_h2s (port));
+ c = GML_client_get_by_port (port);
if (NULL == c)
{
LOG (GNUNET_ERROR_TYPE_DEBUG, " no client has port registered\n");
add_destination (ch, c);
if (GNUNET_YES == ch->reliable)
- LOG (GNUNET_ERROR_TYPE_DEBUG, "!!! Reliable\n");
+ LOG (GNUNET_ERROR_TYPE_DEBUG, "Reliable\n");
else
- LOG (GNUNET_ERROR_TYPE_DEBUG, "!!! Not Reliable\n");
+ LOG (GNUNET_ERROR_TYPE_DEBUG, "Not Reliable\n");
send_client_create (ch);
ch->state = CADET_CHANNEL_SENT;
else
{
LOG (GNUNET_ERROR_TYPE_DEBUG, " duplicate create channel\n");
- reaction = GNUNET_YES;
- if (GNUNET_SCHEDULER_NO_TASK != ch->dest_rel->retry_task)
+ if (NULL != ch->dest_rel->retry_task)
{
LOG (GNUNET_ERROR_TYPE_DEBUG, " clearing retry task\n");
/* we were waiting to re-send our 'SYNACK', wait no more! */
GNUNET_SCHEDULER_cancel (ch->dest_rel->retry_task);
- ch->dest_rel->retry_task = GNUNET_SCHEDULER_NO_TASK;
+ ch->dest_rel->retry_task = NULL;
+ }
+ else if (NULL != ch->dest_rel->uniq)
+ {
+ /* we are waiting to for our 'SYNACK' to leave the queue, all done! */
+ return ch;
}
}
- send_ack (ch, GNUNET_YES, reaction);
+ send_ack (ch, GNUNET_YES);
return ch;
}
void
GCCH_handle_nack (struct CadetChannel *ch)
{
+ LOG (GNUNET_ERROR_TYPE_INFO,
+ "<== %s ( 0x%08X %4u) on chan %s (%p) %s [%5u]\n",
+ GC_m2s (GNUNET_MESSAGE_TYPE_CADET_CHANNEL_OPEN_NACK_DEPRECATED), ch->gid, 0,
+ GCCH_2s (ch), ch, "---", 0);
+
send_client_nack (ch);
GCCH_destroy (ch);
}
*/
void
GCCH_handle_ack (struct CadetChannel *ch,
- const struct GNUNET_CADET_ChannelManage *msg,
+ const struct GNUNET_CADET_ChannelManageMessage *msg,
int fwd)
{
+ LOG (GNUNET_ERROR_TYPE_INFO,
+ "<== %s ( 0x%08X %4u) on chan %s (%p) %s [%5u]\n",
+ GC_m2s (GNUNET_MESSAGE_TYPE_CADET_CHANNEL_OPEN_ACK), ch->gid, 0,
+ GCCH_2s (ch), ch, GC_f2s (fwd), ntohs (msg->header.size));
+
/* If this is a remote (non-loopback) channel, find 'fwd'. */
if (GNUNET_SYSERR == fwd)
{
*/
void
GCCH_handle_destroy (struct CadetChannel *ch,
- const struct GNUNET_CADET_ChannelManage *msg,
+ const struct GNUNET_CADET_ChannelManageMessage *msg,
int fwd)
{
struct CadetChannelReliability *rel;
+ LOG (GNUNET_ERROR_TYPE_INFO,
+ "<== %s ( 0x%08X %4u) on chan %s (%p) %s [%5u]\n",
+ GC_m2s (GNUNET_MESSAGE_TYPE_CADET_CHANNEL_DESTROY), ch->gid, 0,
+ GCCH_2s (ch), ch, GC_f2s (fwd), ntohs (msg->header.size));
+
/* If this is a remote (non-loopback) channel, find 'fwd'. */
if (GNUNET_SYSERR == fwd)
{
fwd = (NULL != ch->dest) ? GNUNET_YES : GNUNET_NO;
}
- GCCH_debug (ch);
+ GCCH_debug (ch, GNUNET_ERROR_TYPE_DEBUG);
if ( (fwd && NULL == ch->dest) || (!fwd && NULL == ch->root) )
{
/* Not for us (don't destroy twice a half-open loopback channel) */
void *existing_copy)
{
struct CadetChannelQueue *chq;
+ uint32_t data_id;
uint16_t type;
+ uint16_t size;
+ char info[32];
type = ntohs (message->type);
- LOG (GNUNET_ERROR_TYPE_INFO, "===> %s %s on channel %s\n",
- GC_m2s (type), GC_f2s (fwd), GCCH_2s (ch));
+ size = ntohs (message->size);
+
+ data_id = 0;
+ switch (type)
+ {
+ case GNUNET_MESSAGE_TYPE_CADET_CHANNEL_APP_DATA:
+ {
+ struct GNUNET_CADET_ChannelAppDataMessage *data_msg;
+ struct GNUNET_MessageHeader *payload_msg;
+ uint16_t payload_type;
+
+ data_msg = (struct GNUNET_CADET_ChannelAppDataMessage *) message;
+ data_id = ntohl (data_msg->mid);
+ payload_msg = (struct GNUNET_MessageHeader *) &data_msg[1];
+ payload_type = ntohs (payload_msg->type);
+ strncpy (info, GC_m2s (payload_type), 31);
+ info[31] = '\0';
+ break;
+ }
+ case GNUNET_MESSAGE_TYPE_CADET_CHANNEL_APP_DATA_ACK:
+ {
+ struct GNUNET_CADET_ChannelDataAckMessage *ack_msg;
+ ack_msg = (struct GNUNET_CADET_ChannelDataAckMessage *) message;
+ data_id = ntohl (ack_msg->mid);
+ SPRINTF (info, "0x%010lX",
+ (unsigned long int) ack_msg->futures);
+ break;
+ }
+ case GNUNET_MESSAGE_TYPE_CADET_CHANNEL_OPEN:
+ {
+ struct GNUNET_CADET_ChannelOpenMessage *cc_msg;
+ cc_msg = (struct GNUNET_CADET_ChannelOpenMessage *) message;
+ SPRINTF (info, " 0x%08X", ntohl (cc_msg->ctn.cn));
+ break;
+ }
+ case GNUNET_MESSAGE_TYPE_CADET_CHANNEL_OPEN_ACK:
+ case GNUNET_MESSAGE_TYPE_CADET_CHANNEL_OPEN_NACK_DEPRECATED:
+ case GNUNET_MESSAGE_TYPE_CADET_CHANNEL_DESTROY:
+ {
+ struct GNUNET_CADET_ChannelManageMessage *m_msg;
+ m_msg = (struct GNUNET_CADET_ChannelManageMessage *) message;
+ SPRINTF (info, " 0x%08X", ntohl (m_msg->ctn.cn));
+ break;
+ }
+ default:
+ info[0] = '\0';
+ }
+ LOG (GNUNET_ERROR_TYPE_INFO,
+ "==> %s (%12s %4u) on chan %s (%p) %s [%5u]\n",
+ GC_m2s (type), info, data_id,
+ GCCH_2s (ch), ch, GC_f2s (fwd), size);
if (GCT_is_loopback (ch->t))
{
switch (type)
{
- struct GNUNET_CADET_Data *payload;
- case GNUNET_MESSAGE_TYPE_CADET_DATA:
-
- payload = (struct GNUNET_CADET_Data *) message;
- LOG (GNUNET_ERROR_TYPE_INFO, "===> %s %u\n",
- GC_m2s (type), ntohl (payload->mid));
+ case GNUNET_MESSAGE_TYPE_CADET_CHANNEL_APP_DATA:
if (GNUNET_YES == ch->reliable)
{
chq = GNUNET_new (struct CadetChannelQueue);
chq->copy->rel, chq->copy->chq, chq->copy->type);
}
LOG (GNUNET_ERROR_TYPE_DEBUG, " new chq: %p\n", chq);
- chq->copy->chq = chq;
- chq->tq = GCT_send_prebuilt_message (message, ch->t, NULL,
- NULL != existing_copy,
- &ch_message_sent, chq);
+ chq->copy->chq = chq;
+ chq->tq = GCT_send_prebuilt_message (message, ch->t, NULL,
+ GNUNET_YES,
+ &ch_message_sent, chq);
/* q itself is stored in copy */
GNUNET_assert (NULL != chq->tq || GNUNET_NO != ch->destroy);
}
break;
- case GNUNET_MESSAGE_TYPE_CADET_CHANNEL_ACK:
- if (GNUNET_YES == fwd || NULL != existing_copy)
- {
- /* BCK ACK (going FWD) is just a response for a SYNACK, don't keep*/
- fire_and_forget (message, ch, GNUNET_YES);
- return;
- }
- /* fall-trough */
- case GNUNET_MESSAGE_TYPE_CADET_DATA_ACK:
- case GNUNET_MESSAGE_TYPE_CADET_CHANNEL_CREATE:
+ case GNUNET_MESSAGE_TYPE_CADET_CHANNEL_APP_DATA_ACK:
+ case GNUNET_MESSAGE_TYPE_CADET_CHANNEL_OPEN:
+ case GNUNET_MESSAGE_TYPE_CADET_CHANNEL_OPEN_ACK:
chq = GNUNET_new (struct CadetChannelQueue);
chq->type = type;
chq->rel = fwd ? ch->root_rel : ch->dest_rel;
{
GCT_cancel (chq->rel->uniq->tq);
/* ch_message_sent is called, freeing and NULLing uniq */
+ GNUNET_break (NULL == chq->rel->uniq);
}
else
{
GNUNET_free (chq->rel->uniq);
}
}
+
+ chq->rel->uniq = chq;
chq->tq = GCT_send_prebuilt_message (message, ch->t, NULL, GNUNET_YES,
&ch_message_sent, chq);
if (NULL == chq->tq)
{
GNUNET_break (0);
+ chq->rel->uniq = NULL;
+ GCT_debug (ch->t, GNUNET_ERROR_TYPE_ERROR);
GNUNET_free (chq);
chq = NULL;
return;
}
- chq->rel->uniq = chq;
break;
case GNUNET_MESSAGE_TYPE_CADET_CHANNEL_DESTROY:
- case GNUNET_MESSAGE_TYPE_CADET_CHANNEL_NACK:
+ case GNUNET_MESSAGE_TYPE_CADET_CHANNEL_OPEN_NACK_DEPRECATED:
fire_and_forget (message, ch, GNUNET_YES);
break;
default:
GNUNET_break (0);
- LOG (GNUNET_ERROR_TYPE_DEBUG, "type %s unknown!\n", GC_m2s (type));
+ LOG (GNUNET_ERROR_TYPE_WARNING, "type %s unknown!\n", GC_m2s (type));
fire_and_forget (message, ch, GNUNET_YES);
}
}
if (NULL == ch)
return "(NULL Channel)";
- sprintf (buf, "%s:%u gid:%X (%X / %X)",
- GCT_2s (ch->t), ch->port, ch->gid, ch->lid_root, ch->lid_dest);
+ SPRINTF (buf,
+ "%s:%s gid:%X (%X / %X)",
+ GCT_2s (ch->t),
+ GNUNET_h2s (&ch->port),
+ ntohl (ch->gid.cn),
+ ntohl (ch->lid_root.channel_of_client),
+ ntohl (ch->lid_dest.channel_of_client));
return buf;
}
projects / oweals / gnunet.git / blobdiff