* @file mesh/mesh_api.c
* @brief mesh api: client implementation of new mesh service
* @author Bartlomiej Polot
- *
- * STRUCTURE:
- * - DATA STRUCTURES
- * - DECLARATIONS
- * - AUXILIARY FUNCTIONS
- * - RECEIVE HANDLERS
- * - SEND FUNCTIONS
- * - API CALL DEFINITIONS
- *
- * TODO: add regex to reconnect
*/
+
#include "platform.h"
-#include "gnunet_common.h"
-#include "gnunet_client_lib.h"
#include "gnunet_util_lib.h"
-#include "gnunet_peer_lib.h"
#include "gnunet_mesh_service.h"
#include "mesh.h"
#include "mesh_protocol.h"
#define LOG(kind,...) GNUNET_log_from (kind, "mesh-api",__VA_ARGS__)
-#define DEBUG_ACK GNUNET_YES
/******************************************************************************/
/************************ DATA STRUCTURES ****************************/
struct GNUNET_MESH_TransmitHandle *prev;
/**
- * Tunnel this message is sent on / for (may be NULL for control messages).
+ * Channel this message is sent on / for (may be NULL for control messages).
*/
- struct GNUNET_MESH_Tunnel *tunnel;
+ struct GNUNET_MESH_Channel *channel;
/**
* Callback to obtain the message to transmit, or NULL if we
struct GNUNET_CLIENT_Connection *client;
/**
- * Set of handlers used for processing incoming messages in the tunnels
+ * Set of handlers used for processing incoming messages in the channels
*/
const struct GNUNET_MESH_MessageHandler *message_handlers;
unsigned int n_ports;
/**
- * Double linked list of the tunnels this client is connected to, head.
+ * Double linked list of the channels this client is connected to, head.
*/
- struct GNUNET_MESH_Tunnel *tunnels_head;
+ struct GNUNET_MESH_Channel *channels_head;
/**
- * Double linked list of the tunnels this client is connected to, tail.
+ * Double linked list of the channels this client is connected to, tail.
*/
- struct GNUNET_MESH_Tunnel *tunnels_tail;
+ struct GNUNET_MESH_Channel *channels_tail;
/**
- * Callback for inbound tunnel creation
+ * Callback for inbound channel creation
*/
- GNUNET_MESH_InboundTunnelNotificationHandler *new_tunnel;
+ GNUNET_MESH_InboundChannelNotificationHandler *new_channel;
/**
- * Callback for inbound tunnel disconnection
+ * Callback for inbound channel disconnection
*/
- GNUNET_MESH_TunnelEndHandler *cleaner;
+ GNUNET_MESH_ChannelEndHandler *cleaner;
/**
* Handle to cancel pending transmissions in case of disconnection
struct GNUNET_MESH_TransmitHandle *th_tail;
/**
- * tid of the next tunnel to create (to avoid reusing IDs often)
+ * chid of the next channel to create (to avoid reusing IDs often)
*/
- MESH_TunnelNumber next_tid;
+ MESH_ChannelNumber next_chid;
/**
* Have we started the task to receive messages from the service
* Time to the next reconnect in case one reconnect fails
*/
struct GNUNET_TIME_Relative reconnect_time;
-
+
/**
* Task for trying to reconnect.
*/
GNUNET_SCHEDULER_TaskIdentifier reconnect_task;
+ /**
+ * Monitor callback
+ */
+ GNUNET_MESH_ChannelsCB channels_cb;
+
+ /**
+ * Monitor callback closure.
+ */
+ void *channels_cls;
+
+ /**
+ * Channel callback.
+ */
+ GNUNET_MESH_ChannelCB channel_cb;
+
+ /**
+ * Channel callback closure.
+ */
+ void *channel_cls;
+
+ /**
+ * Monitor callback
+ */
+ GNUNET_MESH_PeersCB peers_cb;
+
+ /**
+ * Monitor callback closure.
+ */
+ void *peers_cls;
+
/**
* Monitor callback
*/
* Tunnel callback closure.
*/
void *tunnel_cls;
-
-#if DEBUG_ACK
- unsigned int acks_sent;
- unsigned int acks_recv;
-#endif
};
GNUNET_PEER_Id id;
/**
- * Tunnel this peer belongs to
+ * Channel this peer belongs to
*/
- struct GNUNET_MESH_Tunnel *t;
-
- /**
- * Flag indicating whether service has informed about its connection
- */
- int connected;
-
+ struct GNUNET_MESH_Channel *t;
};
/**
- * Opaque handle to a tunnel.
+ * Opaque handle to a channel.
*/
-struct GNUNET_MESH_Tunnel
+struct GNUNET_MESH_Channel
{
/**
* DLL next
*/
- struct GNUNET_MESH_Tunnel *next;
+ struct GNUNET_MESH_Channel *next;
/**
* DLL prev
*/
- struct GNUNET_MESH_Tunnel *prev;
+ struct GNUNET_MESH_Channel *prev;
/**
- * Handle to the mesh this tunnel belongs to
+ * Handle to the mesh this channel belongs to
*/
struct GNUNET_MESH_Handle *mesh;
/**
- * Local ID of the tunnel
+ * Local ID of the channel
*/
- MESH_TunnelNumber tid;
+ MESH_ChannelNumber chid;
/**
* Port number.
uint32_t port;
/**
- * Other end of the tunnel.
+ * Other end of the channel.
*/
GNUNET_PEER_Id peer;
void *ctx;
/**
- * Size of packet queued in this tunnel
+ * Size of packet queued in this channel
*/
unsigned int packet_size;
/**
- * Is the tunnel allowed to buffer?
- */
- int nobuffer;
-
- /**
- * Is the tunnel realiable?
- */
- int reliable;
-
- /**
- * If reliable, is the tunnel out of order?
+ * Channel options: reliability, etc.
*/
- int ooorder;
+ enum GNUNET_MESH_ChannelOption options;
/**
* Are we allowed to send to the service?
struct GNUNET_MESH_TransmitHandle *th;
/**
- * Tunnel to send the data over.
+ * Channel to send the data over.
*/
- struct GNUNET_MESH_Tunnel *tunnel;
+ struct GNUNET_MESH_Channel *channel;
};
/**
* Check whether there is any message ready in the queue and find the size.
- *
+ *
* @param h Mesh handle.
- *
+ *
* @return The size of the first ready message in the queue,
* 0 if there is none.
*/
message_ready_size (struct GNUNET_MESH_Handle *h)
{
struct GNUNET_MESH_TransmitHandle *th;
- struct GNUNET_MESH_Tunnel *t;
+ struct GNUNET_MESH_Channel *ch;
for (th = h->th_head; NULL != th; th = th->next)
{
- t = th->tunnel;
+ ch = th->channel;
if (GNUNET_NO == th_is_payload (th))
{
LOG (GNUNET_ERROR_TYPE_DEBUG, "# message internal\n");
return th->size;
}
- if (GNUNET_YES == t->allow_send)
+ if (GNUNET_YES == ch->allow_send)
{
LOG (GNUNET_ERROR_TYPE_DEBUG, "# message payload ok\n");
return th->size;
/**
- * Get the tunnel handler for the tunnel specified by id from the given handle
+ * Get the channel handler for the channel specified by id from the given handle
* @param h Mesh handle
- * @param tid ID of the wanted tunnel
- * @return handle to the required tunnel or NULL if not found
+ * @param chid ID of the wanted channel
+ * @return handle to the required channel or NULL if not found
*/
-static struct GNUNET_MESH_Tunnel *
-retrieve_tunnel (struct GNUNET_MESH_Handle *h, MESH_TunnelNumber tid)
+static struct GNUNET_MESH_Channel *
+retrieve_channel (struct GNUNET_MESH_Handle *h, MESH_ChannelNumber chid)
{
- struct GNUNET_MESH_Tunnel *t;
+ struct GNUNET_MESH_Channel *ch;
- t = h->tunnels_head;
- while (t != NULL)
+ ch = h->channels_head;
+ while (ch != NULL)
{
- if (t->tid == tid)
- return t;
- t = t->next;
+ if (ch->chid == chid)
+ return ch;
+ ch = ch->next;
}
return NULL;
}
/**
- * Create a new tunnel and insert it in the tunnel list of the mesh handle
+ * Create a new channel and insert it in the channel list of the mesh handle
+ *
* @param h Mesh handle
- * @param tid desired tid of the tunnel, 0 to assign one automatically
- * @return handle to the created tunnel
+ * @param chid Desired chid of the channel, 0 to assign one automatically.
+ *
+ * @return Handle to the created channel.
*/
-static struct GNUNET_MESH_Tunnel *
-create_tunnel (struct GNUNET_MESH_Handle *h, MESH_TunnelNumber tid)
+static struct GNUNET_MESH_Channel *
+create_channel (struct GNUNET_MESH_Handle *h, MESH_ChannelNumber chid)
{
- struct GNUNET_MESH_Tunnel *t;
+ struct GNUNET_MESH_Channel *ch;
- t = GNUNET_malloc (sizeof (struct GNUNET_MESH_Tunnel));
- GNUNET_CONTAINER_DLL_insert (h->tunnels_head, h->tunnels_tail, t);
- t->mesh = h;
- if (0 == tid)
+ ch = GNUNET_new (struct GNUNET_MESH_Channel);
+ GNUNET_CONTAINER_DLL_insert (h->channels_head, h->channels_tail, ch);
+ ch->mesh = h;
+ if (0 == chid)
{
- t->tid = h->next_tid;
- while (NULL != retrieve_tunnel (h, h->next_tid))
+ ch->chid = h->next_chid;
+ while (NULL != retrieve_channel (h, h->next_chid))
{
- h->next_tid++;
- h->next_tid &= ~GNUNET_MESH_LOCAL_TUNNEL_ID_SERV;
- h->next_tid |= GNUNET_MESH_LOCAL_TUNNEL_ID_CLI;
+ h->next_chid++;
+ h->next_chid &= ~GNUNET_MESH_LOCAL_CHANNEL_ID_SERV;
+ h->next_chid |= GNUNET_MESH_LOCAL_CHANNEL_ID_CLI;
}
}
else
{
- t->tid = tid;
+ ch->chid = chid;
}
- t->allow_send = GNUNET_NO;
- t->nobuffer = GNUNET_NO;
- return t;
+ ch->allow_send = GNUNET_NO;
+ return ch;
}
/**
- * Destroy the specified tunnel.
+ * Destroy the specified channel.
* - Destroys all peers, calling the disconnect callback on each if needed
- * - Cancels all outgoing traffic for that tunnel, calling respective notifys
- * - Calls cleaner if tunnel was inbound
+ * - Cancels all outgoing traffic for that channel, calling respective notifys
+ * - Calls cleaner if channel was inbound
* - Frees all memory used
*
- * @param t Pointer to the tunnel.
+ * @param ch Pointer to the channel.
* @param call_cleaner Whether to call the cleaner handler.
*
- * @return Handle to the required tunnel or NULL if not found.
+ * @return Handle to the required channel or NULL if not found.
*/
static void
-destroy_tunnel (struct GNUNET_MESH_Tunnel *t, int call_cleaner)
+destroy_channel (struct GNUNET_MESH_Channel *ch, int call_cleaner)
{
struct GNUNET_MESH_Handle *h;
struct GNUNET_MESH_TransmitHandle *th;
struct GNUNET_MESH_TransmitHandle *next;
- LOG (GNUNET_ERROR_TYPE_DEBUG, "destroy_tunnel %X\n", t->tid);
+ LOG (GNUNET_ERROR_TYPE_DEBUG, " destroy_channel %X\n", ch->chid);
- if (NULL == t)
+ if (NULL == ch)
{
GNUNET_break (0);
return;
}
- h = t->mesh;
+ h = ch->mesh;
- GNUNET_CONTAINER_DLL_remove (h->tunnels_head, h->tunnels_tail, t);
+ GNUNET_CONTAINER_DLL_remove (h->channels_head, h->channels_tail, ch);
- /* signal tunnel destruction */
- if ( (NULL != h->cleaner) && (0 != t->peer) && (GNUNET_YES == call_cleaner) )
- h->cleaner (h->cls, t, t->ctx);
+ /* signal channel destruction */
+ if ( (NULL != h->cleaner) && (0 != ch->peer) && (GNUNET_YES == call_cleaner) )
+ {
+ LOG (GNUNET_ERROR_TYPE_DEBUG, " calling cleaner\n");
+ h->cleaner (h->cls, ch, ch->ctx);
+ }
/* check that clients did not leave messages behind in the queue */
for (th = h->th_head; NULL != th; th = next)
{
next = th->next;
- if (th->tunnel != t)
+ if (th->channel != ch)
continue;
/* Clients should have aborted their requests already.
- * Management traffic should be ok, as clients can't cancel that */
- GNUNET_break (GNUNET_NO == th_is_payload(th));
+ * Management traffic should be ok, as clients can't cancel that.
+ * If the service crashed and we are reconnecting, it's ok.
+ */
+ GNUNET_break (GNUNET_NO == th_is_payload (th)
+ || GNUNET_NO == h->in_receive);
GNUNET_CONTAINER_DLL_remove (h->th_head, h->th_tail, th);
/* clean up request */
if (GNUNET_SCHEDULER_NO_TASK != th->timeout_task)
GNUNET_SCHEDULER_cancel (th->timeout_task);
- GNUNET_free (th);
+ GNUNET_free (th);
}
/* if there are no more pending requests with mesh service, cancel active request */
h->th = NULL;
}
- if (0 != t->peer)
- GNUNET_PEER_change_rc (t->peer, -1);
- GNUNET_free (t);
+ if (0 != ch->peer)
+ GNUNET_PEER_change_rc (ch->peer, -1);
+ GNUNET_free (ch);
return;
}
/**
* Notify client that the transmission has timed out
- *
+ *
* @param cls closure
* @param tc task context
*/
struct GNUNET_MESH_TransmitHandle *th = cls;
struct GNUNET_MESH_Handle *mesh;
- mesh = th->tunnel->mesh;
+ mesh = th->channel->mesh;
GNUNET_CONTAINER_DLL_remove (mesh->th_head, mesh->th_tail, th);
- th->tunnel->packet_size = 0;
+ th->channel->packet_size = 0;
if (GNUNET_YES == th_is_payload (th))
th->notify (th->notify_cls, 0, NULL);
GNUNET_free (th);
struct GNUNET_MESH_TransmitHandle *th)
{
GNUNET_CONTAINER_DLL_insert_tail (h->th_head, h->th_tail, th);
- if (GNUNET_TIME_UNIT_FOREVER_ABS.abs_value == th->timeout.abs_value)
+ if (GNUNET_TIME_UNIT_FOREVER_ABS.abs_value_us == th->timeout.abs_value_us)
return;
th->timeout_task =
GNUNET_SCHEDULER_add_delayed (GNUNET_TIME_absolute_get_remaining
*
* @param h mesh handle
* @param msg message to transmit
- * @param tunnel tunnel this send is related to (NULL if N/A)
+ * @param channel channel this send is related to (NULL if N/A)
*/
static void
send_packet (struct GNUNET_MESH_Handle *h,
const struct GNUNET_MessageHeader *msg,
- struct GNUNET_MESH_Tunnel *tunnel);
+ struct GNUNET_MESH_Channel *channel);
/**
- * Send an ack on the tunnel to confirm the processing of a message.
- *
- * @param t Tunnel on which to send the ACK.
+ * Send an ack on the channel to confirm the processing of a message.
+ *
+ * @param ch Channel on which to send the ACK.
*/
static void
-send_ack (struct GNUNET_MESH_Tunnel *t)
+send_ack (struct GNUNET_MESH_Channel *ch)
{
struct GNUNET_MESH_LocalAck msg;
- LOG (GNUNET_ERROR_TYPE_DEBUG, "Sending ACK on tunnel %X\n", t->tid);
+ LOG (GNUNET_ERROR_TYPE_DEBUG, "Sending ACK on channel %X\n", ch->chid);
msg.header.type = htons (GNUNET_MESSAGE_TYPE_MESH_LOCAL_ACK);
msg.header.size = htons (sizeof (msg));
- msg.tunnel_id = htonl (t->tid);
+ msg.channel_id = htonl (ch->chid);
-#if DEBUG_ACK
- t->mesh->acks_sent++;
-#endif
-
- send_packet (t->mesh, &msg.header, t);
+ send_packet (ch->mesh, &msg.header, ch);
return;
}
static int
do_reconnect (struct GNUNET_MESH_Handle *h)
{
- struct GNUNET_MESH_Tunnel *t;
-
LOG (GNUNET_ERROR_TYPE_DEBUG, "*****************************\n");
LOG (GNUNET_ERROR_TYPE_DEBUG, "******* RECONNECT *******\n");
LOG (GNUNET_ERROR_TYPE_DEBUG, "*****************************\n");
GNUNET_TIME_relative_min (GNUNET_TIME_UNIT_SECONDS,
GNUNET_TIME_relative_multiply
(h->reconnect_time, 2));
- LOG (GNUNET_ERROR_TYPE_DEBUG,
- "Next retry in %s\n",
+ LOG (GNUNET_ERROR_TYPE_DEBUG, "Next retry in %s\n",
GNUNET_STRINGS_relative_time_to_string (h->reconnect_time,
- GNUNET_NO));
+ GNUNET_NO));
GNUNET_break (0);
return GNUNET_NO;
}
h->reconnect_time = GNUNET_TIME_UNIT_MILLISECONDS;
}
send_connect (h);
- /* Rebuild all tunnels */
- for (t = h->tunnels_head; NULL != t; t = t->next)
- {
- struct GNUNET_MESH_TunnelMessage tmsg;
- uint32_t options;
-
- if (t->tid >= GNUNET_MESH_LOCAL_TUNNEL_ID_SERV)
- {
- /* Tunnel was created by service (incoming tunnel) */
- /* TODO: Notify service of missing tunnel, to request
- * creator to recreate path (find a path to him via DHT?)
- */
- continue;
- }
- t->allow_send = GNUNET_NO;
- tmsg.header.type = htons (GNUNET_MESSAGE_TYPE_MESH_LOCAL_TUNNEL_CREATE);
- tmsg.header.size = htons (sizeof (struct GNUNET_MESH_TunnelMessage));
- tmsg.tunnel_id = htonl (t->tid);
- tmsg.port = htonl (t->port);
- GNUNET_PEER_resolve (t->peer, &tmsg.peer);
-
- options = 0;
- if (GNUNET_YES == t->nobuffer)
- options |= GNUNET_MESH_OPTION_NOBUFFER;
-
- if (GNUNET_YES == t->reliable)
- options |= GNUNET_MESH_OPTION_RELIABLE;
-
- tmsg.opt = htonl (options);
- send_packet (h, &tmsg.header, t);
- }
return GNUNET_YES;
}
static void
reconnect (struct GNUNET_MESH_Handle *h)
{
- LOG (GNUNET_ERROR_TYPE_DEBUG, "Requested RECONNECT\n");
+ struct GNUNET_MESH_Channel *ch;
+ struct GNUNET_MESH_Channel *next;
+
+ LOG (GNUNET_ERROR_TYPE_DEBUG,
+ "Requested RECONNECT, destroying all channels\n");
h->in_receive = GNUNET_NO;
+ for (ch = h->channels_head; NULL != ch; ch = next)
+ {
+ next = ch->next;
+ destroy_channel (ch, GNUNET_YES);
+ }
if (GNUNET_SCHEDULER_NO_TASK == h->reconnect_task)
h->reconnect_task = GNUNET_SCHEDULER_add_delayed (h->reconnect_time,
&reconnect_cbk, h);
/******************************************************************************/
/**
- * Process the new tunnel notification and add it to the tunnels in the handle
+ * Process the new channel notification and add it to the channels in the handle
*
* @param h The mesh handle
- * @param msg A message with the details of the new incoming tunnel
+ * @param msg A message with the details of the new incoming channel
*/
static void
-process_tunnel_created (struct GNUNET_MESH_Handle *h,
- const struct GNUNET_MESH_TunnelMessage *msg)
+process_channel_created (struct GNUNET_MESH_Handle *h,
+ const struct GNUNET_MESH_ChannelMessage *msg)
{
- struct GNUNET_MESH_Tunnel *t;
- MESH_TunnelNumber tid;
+ struct GNUNET_MESH_Channel *ch;
+ MESH_ChannelNumber chid;
+ uint32_t port;
- tid = ntohl (msg->tunnel_id);
- LOG (GNUNET_ERROR_TYPE_DEBUG, "Creating incoming tunnel %X\n", tid);
- if (tid < GNUNET_MESH_LOCAL_TUNNEL_ID_SERV)
+ chid = ntohl (msg->channel_id);
+ port = ntohl (msg->port);
+ LOG (GNUNET_ERROR_TYPE_DEBUG, "Creating incoming channel %X:%u\n", chid, port);
+ if (chid < GNUNET_MESH_LOCAL_CHANNEL_ID_SERV)
{
GNUNET_break (0);
return;
}
- if (NULL != h->new_tunnel)
+ if (NULL != h->new_channel)
{
- t = create_tunnel (h, tid);
- t->allow_send = GNUNET_NO;
- t->peer = GNUNET_PEER_intern (&msg->peer);
- t->mesh = h;
- t->tid = tid;
- t->port = ntohl (msg->port);
- if (0 != (msg->opt & GNUNET_MESH_OPTION_NOBUFFER))
- t->nobuffer = GNUNET_YES;
- else
- t->nobuffer = GNUNET_NO;
- if (0 != (msg->opt & GNUNET_MESH_OPTION_RELIABLE))
- t->reliable = GNUNET_YES;
- else
- t->reliable = GNUNET_NO;
- if (GNUNET_YES == t->reliable &&
- 0 != (msg->opt & GNUNET_MESH_OPTION_OOORDER))
- t->ooorder = GNUNET_YES;
- else
- t->ooorder = GNUNET_NO;
- LOG (GNUNET_ERROR_TYPE_DEBUG, " created tunnel %p\n", t);
- t->ctx = h->new_tunnel (h->cls, t, &msg->peer, t->port);
+ void *ctx;
+
+ ch = create_channel (h, chid);
+ ch->allow_send = GNUNET_NO;
+ ch->peer = GNUNET_PEER_intern (&msg->peer);
+ ch->mesh = h;
+ ch->chid = chid;
+ ch->port = port;
+ ch->options = ntohl (msg->opt);
+
+ LOG (GNUNET_ERROR_TYPE_DEBUG, " created channel %p\n", ch);
+ ctx = h->new_channel (h->cls, ch, &msg->peer, ch->port, ch->options);
+ if (NULL != ctx)
+ ch->ctx = ctx;
LOG (GNUNET_ERROR_TYPE_DEBUG, "User notified\n");
}
else
{
- struct GNUNET_MESH_TunnelMessage d_msg;
+ struct GNUNET_MESH_ChannelMessage d_msg;
- LOG (GNUNET_ERROR_TYPE_DEBUG, "No handler for incoming tunnels\n");
+ LOG (GNUNET_ERROR_TYPE_DEBUG, "No handler for incoming channels\n");
- d_msg.header.type = htons (GNUNET_MESSAGE_TYPE_MESH_LOCAL_TUNNEL_DESTROY);
- d_msg.header.size = htons (sizeof (struct GNUNET_MESH_TunnelMessage));
- d_msg.tunnel_id = msg->tunnel_id;
+ d_msg.header.type = htons (GNUNET_MESSAGE_TYPE_MESH_CHANNEL_DESTROY);
+ d_msg.header.size = htons (sizeof (struct GNUNET_MESH_ChannelMessage));
+ d_msg.channel_id = msg->channel_id;
memset (&d_msg.peer, 0, sizeof (struct GNUNET_PeerIdentity));
d_msg.port = 0;
d_msg.opt = 0;
/**
- * Process the tunnel destroy notification and free associated resources
+ * Process the channel destroy notification and free associated resources
*
* @param h The mesh handle
- * @param msg A message with the details of the tunnel being destroyed
+ * @param msg A message with the details of the channel being destroyed
*/
static void
-process_tunnel_destroy (struct GNUNET_MESH_Handle *h,
- const struct GNUNET_MESH_TunnelMessage *msg)
+process_channel_destroy (struct GNUNET_MESH_Handle *h,
+ const struct GNUNET_MESH_ChannelMessage *msg)
{
- struct GNUNET_MESH_Tunnel *t;
- MESH_TunnelNumber tid;
+ struct GNUNET_MESH_Channel *ch;
+ MESH_ChannelNumber chid;
- LOG (GNUNET_ERROR_TYPE_DEBUG, "Destroying tunnel from service\n");
- tid = ntohl (msg->tunnel_id);
- t = retrieve_tunnel (h, tid);
+ LOG (GNUNET_ERROR_TYPE_DEBUG, "Channel Destroy received from service\n");
+ chid = ntohl (msg->channel_id);
+ ch = retrieve_channel (h, chid);
- if (NULL == t)
+ if (NULL == ch)
{
- LOG (GNUNET_ERROR_TYPE_DEBUG, "tunnel %X unknown\n", tid);
+ LOG (GNUNET_ERROR_TYPE_DEBUG, "channel %X unknown\n", chid);
return;
}
- LOG (GNUNET_ERROR_TYPE_DEBUG, "tunnel %X destroyed\n", t->tid);
- destroy_tunnel (t, GNUNET_YES);
- return;
+ LOG (GNUNET_ERROR_TYPE_DEBUG, " destroying channel %X\n", ch->chid);
+ destroy_channel (ch, GNUNET_YES);
}
{
const struct GNUNET_MessageHeader *payload;
const struct GNUNET_MESH_MessageHandler *handler;
- const struct GNUNET_PeerIdentity *peer;
- struct GNUNET_PeerIdentity id;
struct GNUNET_MESH_LocalData *dmsg;
- struct GNUNET_MESH_Tunnel *t;
+ struct GNUNET_MESH_Channel *ch;
+ size_t size;
unsigned int i;
uint16_t type;
LOG (GNUNET_ERROR_TYPE_DEBUG, "Got a data message!\n");
-
dmsg = (struct GNUNET_MESH_LocalData *) message;
-
- t = retrieve_tunnel (h, ntohl (dmsg->tid));
+ ch = retrieve_channel (h, ntohl (dmsg->id));
payload = (struct GNUNET_MessageHeader *) &dmsg[1];
- GNUNET_PEER_resolve (t->peer, &id);
- peer = &id;
- LOG (GNUNET_ERROR_TYPE_DEBUG, " %s data on tunnel %s [%X]\n",
- t->tid >= GNUNET_MESH_LOCAL_TUNNEL_ID_SERV ? "fwd" : "bck",
- GNUNET_i2s (peer), ntohl (dmsg->tid));
- if (NULL == t)
+ LOG (GNUNET_ERROR_TYPE_DEBUG, " %s data on channel %s [%X]\n",
+ GM_f2s (ch->chid >= GNUNET_MESH_LOCAL_CHANNEL_ID_SERV),
+ GNUNET_i2s (GNUNET_PEER_resolve2 (ch->peer)), ntohl (dmsg->id));
+
+ size = ntohs (message->size);
+ LOG (GNUNET_ERROR_TYPE_DEBUG, " %u bytes\n", size);
+
+ if (NULL == ch)
{
- /* Tunnel was ignored/destroyed, probably service didn't get it yet */
+ /* Channel was ignored/destroyed, probably service didn't get it yet */
LOG (GNUNET_ERROR_TYPE_DEBUG, " ignored!\n");
return;
}
type = ntohs (payload->type);
+ size = ntohs (payload->size);
+ LOG (GNUNET_ERROR_TYPE_DEBUG, " payload type %s\n", GM_m2s (type));
for (i = 0; i < h->n_handlers; i++)
{
handler = &h->message_handlers[i];
+ LOG (GNUNET_ERROR_TYPE_DEBUG, " checking handler for type %u\n",
+ handler->type);
if (handler->type == type)
{
if (GNUNET_OK !=
- handler->callback (h->cls, t, &t->ctx, payload))
+ handler->callback (h->cls, ch, &ch->ctx, payload))
{
LOG (GNUNET_ERROR_TYPE_DEBUG, "callback caused disconnection\n");
- GNUNET_MESH_tunnel_destroy (t);
+ GNUNET_MESH_channel_destroy (ch);
return;
}
else
{
LOG (GNUNET_ERROR_TYPE_DEBUG,
"callback completed successfully\n");
+ return;
}
}
}
/**
* Process a local ACK message, enabling the client to send
* more data to the service.
- *
+ *
* @param h Mesh handle.
* @param message Message itself.
*/
const struct GNUNET_MessageHeader *message)
{
struct GNUNET_MESH_LocalAck *msg;
- struct GNUNET_MESH_Tunnel *t;
- MESH_TunnelNumber tid;
+ struct GNUNET_MESH_Channel *ch;
+ MESH_ChannelNumber chid;
LOG (GNUNET_ERROR_TYPE_DEBUG, "Got an ACK!\n");
- h->acks_recv++;
msg = (struct GNUNET_MESH_LocalAck *) message;
- tid = ntohl (msg->tunnel_id);
- t = retrieve_tunnel (h, tid);
- if (NULL == t)
+ chid = ntohl (msg->channel_id);
+ ch = retrieve_channel (h, chid);
+ if (NULL == ch)
{
- LOG (GNUNET_ERROR_TYPE_WARNING, "ACK on unknown tunnel %X\n", tid);
+ LOG (GNUNET_ERROR_TYPE_DEBUG, "ACK on unknown channel %X\n", chid);
return;
}
- LOG (GNUNET_ERROR_TYPE_DEBUG, " on tunnel %X!\n", t->tid);
- t->allow_send = GNUNET_YES;
- if (NULL == h->th && 0 < t->packet_size)
+ LOG (GNUNET_ERROR_TYPE_DEBUG, " on channel %X!\n", ch->chid);
+ ch->allow_send = GNUNET_YES;
+ if (NULL == h->th && 0 < ch->packet_size)
{
LOG (GNUNET_ERROR_TYPE_DEBUG, " tmt rdy was NULL, requesting!\n");
- h->th =
- GNUNET_CLIENT_notify_transmit_ready (h->client, t->packet_size,
- GNUNET_TIME_UNIT_FOREVER_REL,
- GNUNET_YES, &send_callback, h);
+ h->th = GNUNET_CLIENT_notify_transmit_ready (h->client, ch->packet_size,
+ GNUNET_TIME_UNIT_FOREVER_REL,
+ GNUNET_YES, &send_callback, h);
}
}
-/**
+/*
+ * Process a local reply about info on all channels, pass info to the user.
+ *
+ * @param h Mesh handle.
+ * @param message Message itself.
+ */
+// static void
+// process_get_channels (struct GNUNET_MESH_Handle *h,
+// const struct GNUNET_MessageHeader *message)
+// {
+// struct GNUNET_MESH_LocalInfo *msg;
+//
+// GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "Get Channels messasge received\n");
+//
+// if (NULL == h->channels_cb)
+// {
+// GNUNET_log (GNUNET_ERROR_TYPE_ERROR, " ignored\n");
+// return;
+// }
+//
+// msg = (struct GNUNET_MESH_LocalInfo *) message;
+// if (ntohs (message->size) !=
+// (sizeof (struct GNUNET_MESH_LocalInfo) +
+// sizeof (struct GNUNET_PeerIdentity)))
+// {
+// GNUNET_break_op (0);
+// GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
+// "Get channels message: size %hu - expected %u\n",
+// ntohs (message->size),
+// sizeof (struct GNUNET_MESH_LocalInfo));
+// return;
+// }
+// h->channels_cb (h->channels_cls,
+// ntohl (msg->channel_id),
+// &msg->owner,
+// &msg->destination);
+// }
+
+
+
+/*
+ * Process a local monitor_channel reply, pass info to the user.
+ *
+ * @param h Mesh handle.
+ * @param message Message itself.
+ */
+// static void
+// process_show_channel (struct GNUNET_MESH_Handle *h,
+// const struct GNUNET_MessageHeader *message)
+// {
+// struct GNUNET_MESH_LocalInfo *msg;
+// size_t esize;
+//
+// GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "Show Channel messasge received\n");
+//
+// if (NULL == h->channel_cb)
+// {
+// GNUNET_log (GNUNET_ERROR_TYPE_ERROR, " ignored\n");
+// return;
+// }
+//
+// /* Verify message sanity */
+// msg = (struct GNUNET_MESH_LocalInfo *) message;
+// esize = sizeof (struct GNUNET_MESH_LocalInfo);
+// if (ntohs (message->size) != esize)
+// {
+// GNUNET_break_op (0);
+// GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
+// "Show channel message: size %hu - expected %u\n",
+// ntohs (message->size),
+// esize);
+//
+// h->channel_cb (h->channel_cls, NULL, NULL);
+// h->channel_cb = NULL;
+// h->channel_cls = NULL;
+//
+// return;
+// }
+//
+// h->channel_cb (h->channel_cls,
+// &msg->destination,
+// &msg->owner);
+// }
+
+
+
+
+/*
* Process a local reply about info on all tunnels, pass info to the user.
*
* @param h Mesh handle.
process_get_tunnels (struct GNUNET_MESH_Handle *h,
const struct GNUNET_MessageHeader *message)
{
- struct GNUNET_MESH_LocalMonitor *msg;
+ struct GNUNET_MESH_LocalInfoTunnel *msg;
+ uint16_t size;
- GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "Get Tunnels messasge received\n");
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Get Tunnels messasge received\n");
if (NULL == h->tunnels_cb)
{
- GNUNET_log (GNUNET_ERROR_TYPE_ERROR, " ignored\n");
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, " ignored\n");
return;
}
- msg = (struct GNUNET_MESH_LocalMonitor *) message;
- if (ntohs (message->size) !=
- (sizeof (struct GNUNET_MESH_LocalMonitor) +
- sizeof (struct GNUNET_PeerIdentity)))
+ size = ntohs (message->size);
+ if (sizeof (struct GNUNET_MESH_LocalInfoTunnel) > size)
{
- GNUNET_break_op (0);
- GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
- "Get tunnels message: size %hu - expected %u\n",
- ntohs (message->size),
- sizeof (struct GNUNET_MESH_LocalMonitor));
+ h->tunnels_cb (h->tunnel_cls, NULL, 0, 0, 0, 0);
+ h->tunnels_cb = NULL;
+ h->tunnels_cls = NULL;
return;
}
- h->tunnels_cb (h->tunnels_cls,
- ntohl (msg->tunnel_id),
- &msg->owner,
- &msg->destination);
+
+ msg = (struct GNUNET_MESH_LocalInfoTunnel *) message;
+ h->tunnels_cb (h->tunnel_cls,
+ &msg->destination,
+ ntohl (msg->channels),
+ ntohl (msg->connections),
+ ntohs (msg->estate),
+ ntohs (msg->cstate));
+
}
-/**
- * Process a local monitor_tunnel reply, pass info to the user.
+/*
+ * Process a local monitor_channel reply, pass info to the user.
*
* @param h Mesh handle.
* @param message Message itself.
*/
static void
-process_show_tunnel (struct GNUNET_MESH_Handle *h,
- const struct GNUNET_MessageHeader *message)
+process_get_tunnel (struct GNUNET_MESH_Handle *h,
+ const struct GNUNET_MessageHeader *message)
{
- struct GNUNET_MESH_LocalMonitor *msg;
+ struct GNUNET_MESH_LocalInfoTunnel *msg;
size_t esize;
+ size_t msize;
+ unsigned int ch_n;
+ unsigned int c_n;
- GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "Show Tunnel messasge received\n");
-
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Get Tunnel messasge received\n");
if (NULL == h->tunnel_cb)
{
- GNUNET_log (GNUNET_ERROR_TYPE_ERROR, " ignored\n");
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, " ignored\n");
return;
}
/* Verify message sanity */
- msg = (struct GNUNET_MESH_LocalMonitor *) message;
- esize = sizeof (struct GNUNET_MESH_LocalMonitor);
- if (ntohs (message->size) != esize)
+ msg = (struct GNUNET_MESH_LocalInfoTunnel *) message;
+ msize = ntohs (message->size);
+ esize = sizeof (struct GNUNET_MESH_LocalInfoTunnel);
+ if (esize > msize)
{
GNUNET_break_op (0);
- GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
- "Show tunnel message: size %hu - expected %u\n",
- ntohs (message->size),
- esize);
-
- h->tunnel_cb (h->tunnel_cls, NULL, NULL);
- h->tunnel_cb = NULL;
- h->tunnel_cls = NULL;
-
- return;
+ h->tunnel_cb (h->tunnel_cls, NULL, 0, 0, 0, 0);
+ goto clean_cls;
+ }
+ ch_n = ntohl (msg->channels);
+ c_n = ntohl (msg->connections);
+ esize += ch_n * sizeof (MESH_ChannelNumber);
+ esize += c_n * sizeof (struct GNUNET_HashCode);
+ if (msize != esize)
+ {
+ GNUNET_break_op (0);
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "m:%u, e: %u (%u ch, %u conn)\n",
+ msize, esize, ch_n, c_n);
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "%u (%u ch, %u conn)\n",
+ sizeof (struct GNUNET_MESH_LocalInfoTunnel),
+ sizeof (MESH_ChannelNumber), sizeof (struct GNUNET_HashCode));
+ h->tunnel_cb (h->tunnel_cls, NULL, 0, 0, 0, 0);
+ goto clean_cls;
}
- h->tunnel_cb (h->tunnel_cls,
- &msg->destination,
- &msg->owner);
-}
+ /* Call Callback with tunnel info. */
+ h->tunnel_cb (h->tunnel_cls, &msg->destination,
+ ch_n, c_n,
+ ntohs (msg->estate), ntohs (msg->cstate));
+clean_cls:
+ h->tunnel_cb = NULL;
+ h->tunnel_cls = NULL;
+}
/**
* Function to process all messages received from the service
if (msg == NULL)
{
- LOG (GNUNET_ERROR_TYPE_DEBUG,
+ LOG (GNUNET_ERROR_TYPE_DEBUG,
"Mesh service disconnected, reconnecting\n", h);
reconnect (h);
return;
type = ntohs (msg->type);
LOG (GNUNET_ERROR_TYPE_DEBUG, "\n");
LOG (GNUNET_ERROR_TYPE_DEBUG, "Received a message: %s\n",
- GNUNET_MESH_DEBUG_M2S (type));
+ GM_m2s (type));
switch (type)
{
- /* Notify of a new incoming tunnel */
- case GNUNET_MESSAGE_TYPE_MESH_LOCAL_TUNNEL_CREATE:
- process_tunnel_created (h, (struct GNUNET_MESH_TunnelMessage *) msg);
+ /* Notify of a new incoming channel */
+ case GNUNET_MESSAGE_TYPE_MESH_CHANNEL_CREATE:
+ process_channel_created (h, (struct GNUNET_MESH_ChannelMessage *) msg);
break;
- /* Notify of a tunnel disconnection */
- case GNUNET_MESSAGE_TYPE_MESH_LOCAL_TUNNEL_DESTROY:
- process_tunnel_destroy (h, (struct GNUNET_MESH_TunnelMessage *) msg);
+ /* Notify of a channel disconnection */
+ case GNUNET_MESSAGE_TYPE_MESH_CHANNEL_DESTROY: /* TODO separate(gid problem)*/
+ case GNUNET_MESSAGE_TYPE_MESH_CHANNEL_NACK:
+ process_channel_destroy (h, (struct GNUNET_MESH_ChannelMessage *) msg);
break;
- /* Notify of a new data packet in the tunnel */
case GNUNET_MESSAGE_TYPE_MESH_LOCAL_DATA:
process_incoming_data (h, msg);
break;
case GNUNET_MESSAGE_TYPE_MESH_LOCAL_ACK:
process_ack (h, msg);
break;
+// case GNUNET_MESSAGE_TYPE_MESH_LOCAL_INFO_CHANNELS:
+// process_get_channels (h, msg);
+// break;
+// case GNUNET_MESSAGE_TYPE_MESH_LOCAL_INFO_CHANNEL:
+// process_show_channel (h, msg);
+// break;
case GNUNET_MESSAGE_TYPE_MESH_LOCAL_INFO_TUNNELS:
process_get_tunnels (h, msg);
break;
case GNUNET_MESSAGE_TYPE_MESH_LOCAL_INFO_TUNNEL:
- process_show_tunnel (h, msg);
+ process_get_tunnel (h, msg);
break;
+// case GNUNET_MESSAGE_TYPE_MESH_LOCAL_INFO_CHANNEL:
+// process_show_channel (h, msg);
+// break;
default:
/* We shouldn't get any other packages, log and ignore */
LOG (GNUNET_ERROR_TYPE_WARNING,
"unsolicited message form service (type %s)\n",
- GNUNET_MESH_DEBUG_M2S (ntohs (msg->type)));
+ GM_m2s (ntohs (msg->type)));
}
LOG (GNUNET_ERROR_TYPE_DEBUG, "message processed\n");
if (GNUNET_YES == h->in_receive)
struct GNUNET_MESH_Handle *h = cls;
struct GNUNET_MESH_TransmitHandle *th;
struct GNUNET_MESH_TransmitHandle *next;
- struct GNUNET_MESH_Tunnel *t;
+ struct GNUNET_MESH_Channel *ch;
char *cbuf = buf;
size_t tsize;
size_t psize;
nsize = message_ready_size (h);
while ((NULL != (th = next)) && (0 < nsize) && (size >= nsize))
{
- t = th->tunnel;
+ ch = th->channel;
if (GNUNET_YES == th_is_payload (th))
{
struct GNUNET_MESH_LocalData *dmsg;
struct GNUNET_MessageHeader *mh;
LOG (GNUNET_ERROR_TYPE_DEBUG, "# payload\n");
- if (GNUNET_NO == t->allow_send)
+ if (GNUNET_NO == ch->allow_send)
{
- /* This tunnel is not ready to transmit yet, try next message */
+ /* This channel is not ready to transmit yet, try next message */
next = th->next;
continue;
}
- t->packet_size = 0;
- t->allow_send = GNUNET_NO;
+ ch->packet_size = 0;
GNUNET_assert (size >= th->size);
dmsg = (struct GNUNET_MESH_LocalData *) cbuf;
mh = (struct GNUNET_MessageHeader *) &dmsg[1];
psize += sizeof (struct GNUNET_MESH_LocalData);
GNUNET_assert (size >= psize);
dmsg->header.size = htons (psize);
- dmsg->tid = htonl (t->tid);
+ dmsg->id = htonl (ch->chid);
+ dmsg->header.type = htons (GNUNET_MESSAGE_TYPE_MESH_LOCAL_DATA);
+ LOG (GNUNET_ERROR_TYPE_DEBUG, "# payload type %s\n",
+ GM_m2s (ntohs (mh->type)));
+ ch->allow_send = GNUNET_NO;
+ }
+ else
+ {
+ LOG (GNUNET_ERROR_TYPE_DEBUG,
+ "# callback returned size 0, "
+ "application canceled transmission\n");
}
- dmsg->header.type = htons (GNUNET_MESSAGE_TYPE_MESH_LOCAL_DATA);
- LOG (GNUNET_ERROR_TYPE_DEBUG, "# payload type %s\n",
- GNUNET_MESH_DEBUG_M2S (ntohs (mh->type)));
-
}
else
{
struct GNUNET_MessageHeader *mh = (struct GNUNET_MessageHeader *) &th[1];
- LOG (GNUNET_ERROR_TYPE_DEBUG, "# mesh traffic, type %s\n",
- GNUNET_MESH_DEBUG_M2S (ntohs (mh->type)));
+ LOG (GNUNET_ERROR_TYPE_DEBUG, "# mesh internal traffic, type %s\n",
+ GM_m2s (ntohs (mh->type)));
memcpy (cbuf, &th[1], th->size);
psize = th->size;
}
* Auxiliary function to send an already constructed packet to the service.
* Takes care of creating a new queue element, copying the message and
* calling the tmt_rdy function if necessary.
- *
+ *
* @param h mesh handle
* @param msg message to transmit
- * @param tunnel tunnel this send is related to (NULL if N/A)
+ * @param channel channel this send is related to (NULL if N/A)
*/
static void
send_packet (struct GNUNET_MESH_Handle *h,
const struct GNUNET_MessageHeader *msg,
- struct GNUNET_MESH_Tunnel *tunnel)
+ struct GNUNET_MESH_Channel *channel)
{
struct GNUNET_MESH_TransmitHandle *th;
size_t msize;
LOG (GNUNET_ERROR_TYPE_DEBUG, " Sending message to service: %s\n",
- GNUNET_MESH_DEBUG_M2S(ntohs(msg->type)));
+ GM_m2s(ntohs(msg->type)));
msize = ntohs (msg->size);
th = GNUNET_malloc (sizeof (struct GNUNET_MESH_TransmitHandle) + msize);
th->timeout = GNUNET_TIME_UNIT_FOREVER_ABS;
th->size = msize;
- th->tunnel = tunnel;
+ th->channel = channel;
memcpy (&th[1], msg, msize);
add_to_queue (h, th);
LOG (GNUNET_ERROR_TYPE_DEBUG, " queued\n");
struct GNUNET_MESH_Handle *
GNUNET_MESH_connect (const struct GNUNET_CONFIGURATION_Handle *cfg, void *cls,
- GNUNET_MESH_InboundTunnelNotificationHandler new_tunnel,
- GNUNET_MESH_TunnelEndHandler cleaner,
+ GNUNET_MESH_InboundChannelNotificationHandler new_channel,
+ GNUNET_MESH_ChannelEndHandler cleaner,
const struct GNUNET_MESH_MessageHandler *handlers,
const uint32_t *ports)
{
struct GNUNET_MESH_Handle *h;
LOG (GNUNET_ERROR_TYPE_DEBUG, "GNUNET_MESH_connect()\n");
- h = GNUNET_malloc (sizeof (struct GNUNET_MESH_Handle));
+ h = GNUNET_new (struct GNUNET_MESH_Handle);
LOG (GNUNET_ERROR_TYPE_DEBUG, " addr %p\n", h);
h->cfg = cfg;
- h->new_tunnel = new_tunnel;
+ h->new_channel = new_channel;
h->cleaner = cleaner;
h->client = GNUNET_CLIENT_connect ("mesh", cfg);
if (h->client == NULL)
h->cls = cls;
h->message_handlers = handlers;
h->ports = ports;
- h->next_tid = GNUNET_MESH_LOCAL_TUNNEL_ID_CLI;
+ h->next_chid = GNUNET_MESH_LOCAL_CHANNEL_ID_CLI;
h->reconnect_time = GNUNET_TIME_UNIT_MILLISECONDS;
h->reconnect_task = GNUNET_SCHEDULER_NO_TASK;
- if (NULL != ports && ports[0] != 0 && NULL == new_tunnel)
+ if (NULL != ports && ports[0] != 0 && NULL == new_channel)
{
GNUNET_break (0);
LOG (GNUNET_ERROR_TYPE_DEBUG,
- "no new tunnel handler given, ports parameter is useless!!\n");
+ "no new channel handler given, ports parameter is useless!!\n");
}
- if ((NULL == ports || ports[0] == 0) && NULL != new_tunnel)
+ if ((NULL == ports || ports[0] == 0) && NULL != new_channel)
{
GNUNET_break (0);
LOG (GNUNET_ERROR_TYPE_DEBUG,
- "no ports given, new tunnel handler will never be called!!\n");
+ "no ports given, new channel handler will never be called!!\n");
}
/* count handlers */
for (h->n_handlers = 0;
void
GNUNET_MESH_disconnect (struct GNUNET_MESH_Handle *handle)
{
- struct GNUNET_MESH_Tunnel *t;
- struct GNUNET_MESH_Tunnel *aux;
+ struct GNUNET_MESH_Channel *ch;
+ struct GNUNET_MESH_Channel *aux;
struct GNUNET_MESH_TransmitHandle *th;
LOG (GNUNET_ERROR_TYPE_DEBUG, "MESH DISCONNECT\n");
-#if DEBUG_ACK
- LOG (GNUNET_ERROR_TYPE_INFO, "Sent %d ACKs\n", handle->acks_sent);
- LOG (GNUNET_ERROR_TYPE_INFO, "Recv %d ACKs\n\n", handle->acks_recv);
-#endif
-
- t = handle->tunnels_head;
- while (NULL != t)
+ ch = handle->channels_head;
+ while (NULL != ch)
{
- aux = t->next;
- if (t->tid < GNUNET_MESH_LOCAL_TUNNEL_ID_SERV)
+ aux = ch->next;
+ if (ch->chid < GNUNET_MESH_LOCAL_CHANNEL_ID_SERV)
{
GNUNET_break (0);
- LOG (GNUNET_ERROR_TYPE_DEBUG, "tunnel %X not destroyed\n", t->tid);
+ LOG (GNUNET_ERROR_TYPE_DEBUG, "channel %X not destroyed\n", ch->chid);
}
- destroy_tunnel (t, GNUNET_YES);
- t = aux;
+ destroy_channel (ch, GNUNET_YES);
+ ch = aux;
}
while ( (th = handle->th_head) != NULL)
{
switch (ntohs(msg->type))
{
case GNUNET_MESSAGE_TYPE_MESH_LOCAL_CONNECT:
- case GNUNET_MESSAGE_TYPE_MESH_LOCAL_TUNNEL_DESTROY:
- case GNUNET_MESSAGE_TYPE_MESH_LOCAL_INFO_TUNNELS:
+ case GNUNET_MESSAGE_TYPE_MESH_CHANNEL_CREATE:
+ case GNUNET_MESSAGE_TYPE_MESH_CHANNEL_DESTROY:
+ case GNUNET_MESSAGE_TYPE_MESH_LOCAL_INFO_CHANNELS:
+ case GNUNET_MESSAGE_TYPE_MESH_LOCAL_INFO_CHANNEL:
case GNUNET_MESSAGE_TYPE_MESH_LOCAL_INFO_TUNNEL:
+ case GNUNET_MESSAGE_TYPE_MESH_LOCAL_INFO_TUNNELS:
break;
default:
GNUNET_break (0);
/**
- * Create a new tunnel (we're initiator and will be allowed to add/remove peers
- * and to broadcast).
+ * Create a new channel towards a remote peer.
+ *
+ * If the destination port is not open by any peer or the destination peer
+ * does not accept the channel, #GNUNET_MESH_ChannelEndHandler will be called
+ * for this channel.
*
* @param h mesh handle
- * @param tunnel_ctx client's tunnel context to associate with the tunnel
- * @param peer peer identity the tunnel should go to
+ * @param channel_ctx client's channel context to associate with the channel
+ * @param peer peer identity the channel should go to
* @param port Port number.
- * @param nobuffer Flag for disabling buffering on relay nodes.
- * @param reliable Flag for end-to-end reliability.
+ * @param options MeshOption flag field, with all desired option bits set to 1.
*
- * @return handle to the tunnel
+ * @return handle to the channel
*/
-struct GNUNET_MESH_Tunnel *
-GNUNET_MESH_tunnel_create (struct GNUNET_MESH_Handle *h,
- void *tunnel_ctx,
- const struct GNUNET_PeerIdentity *peer,
- uint32_t port,
- int nobuffer,
- int reliable)
+struct GNUNET_MESH_Channel *
+GNUNET_MESH_channel_create (struct GNUNET_MESH_Handle *h,
+ void *channel_ctx,
+ const struct GNUNET_PeerIdentity *peer,
+ uint32_t port,
+ enum GNUNET_MESH_ChannelOption options)
{
- struct GNUNET_MESH_Tunnel *t;
- struct GNUNET_MESH_TunnelMessage msg;
-
- LOG (GNUNET_ERROR_TYPE_DEBUG, "Creating new tunnel\n");
- t = create_tunnel (h, 0);
- LOG (GNUNET_ERROR_TYPE_DEBUG, " at %p\n", t);
- LOG (GNUNET_ERROR_TYPE_DEBUG, " number %X\n", t->tid);
- t->ctx = tunnel_ctx;
- t->peer = GNUNET_PEER_intern (peer);
- msg.header.type = htons (GNUNET_MESSAGE_TYPE_MESH_LOCAL_TUNNEL_CREATE);
- msg.header.size = htons (sizeof (struct GNUNET_MESH_TunnelMessage));
- msg.tunnel_id = htonl (t->tid);
+ struct GNUNET_MESH_Channel *ch;
+ struct GNUNET_MESH_ChannelMessage msg;
+
+ LOG (GNUNET_ERROR_TYPE_DEBUG,
+ "Creating new channel to %s:%u\n",
+ GNUNET_i2s (peer), port);
+ ch = create_channel (h, 0);
+ LOG (GNUNET_ERROR_TYPE_DEBUG, " at %p\n", ch);
+ LOG (GNUNET_ERROR_TYPE_DEBUG, " number %X\n", ch->chid);
+ ch->ctx = channel_ctx;
+ ch->peer = GNUNET_PEER_intern (peer);
+ msg.header.type = htons (GNUNET_MESSAGE_TYPE_MESH_CHANNEL_CREATE);
+ msg.header.size = htons (sizeof (struct GNUNET_MESH_ChannelMessage));
+ msg.channel_id = htonl (ch->chid);
msg.port = htonl (port);
msg.peer = *peer;
- msg.opt = 0;
- if (GNUNET_YES == reliable)
- msg.opt |= GNUNET_MESH_OPTION_RELIABLE;
- if (GNUNET_YES == nobuffer)
- msg.opt |= GNUNET_MESH_OPTION_NOBUFFER;
- msg.opt = htonl (msg.opt);
- t->allow_send = 0;
- send_packet (h, &msg.header, t);
- return t;
+ msg.opt = htonl (options);
+ ch->allow_send = 0;
+ send_packet (h, &msg.header, ch);
+ return ch;
}
void
-GNUNET_MESH_tunnel_destroy (struct GNUNET_MESH_Tunnel *tunnel)
+GNUNET_MESH_channel_destroy (struct GNUNET_MESH_Channel *channel)
{
struct GNUNET_MESH_Handle *h;
- struct GNUNET_MESH_TunnelMessage msg;
+ struct GNUNET_MESH_ChannelMessage msg;
struct GNUNET_MESH_TransmitHandle *th;
- LOG (GNUNET_ERROR_TYPE_DEBUG, "Destroying tunnel\n");
- h = tunnel->mesh;
+ LOG (GNUNET_ERROR_TYPE_DEBUG, "Destroying channel\n");
+ h = channel->mesh;
- msg.header.type = htons (GNUNET_MESSAGE_TYPE_MESH_LOCAL_TUNNEL_DESTROY);
- msg.header.size = htons (sizeof (struct GNUNET_MESH_TunnelMessage));
- msg.tunnel_id = htonl (tunnel->tid);
+ msg.header.type = htons (GNUNET_MESSAGE_TYPE_MESH_CHANNEL_DESTROY);
+ msg.header.size = htons (sizeof (struct GNUNET_MESH_ChannelMessage));
+ msg.channel_id = htonl (channel->chid);
memset (&msg.peer, 0, sizeof (struct GNUNET_PeerIdentity));
msg.port = 0;
msg.opt = 0;
while (th != NULL)
{
struct GNUNET_MESH_TransmitHandle *aux;
- if (th->tunnel == tunnel)
+ if (th->channel == channel)
{
aux = th->next;
/* FIXME call the handler? */
th = th->next;
}
- destroy_tunnel (tunnel, GNUNET_YES);
+ destroy_channel (channel, GNUNET_YES);
send_packet (h, &msg.header, NULL);
}
/**
- * Get information about a tunnel.
+ * Get information about a channel.
*
- * @param tunnel Tunnel handle.
+ * @param channel Channel handle.
* @param option Query (GNUNET_MESH_OPTION_*).
* @param ... dependant on option, currently not used
*
* @return Union with an answer to the query.
*/
-const union MeshTunnelInfo *
-GNUNET_MESH_tunnel_get_info (struct GNUNET_MESH_Tunnel *tunnel,
- enum MeshTunnelOption option, ...)
+const union GNUNET_MESH_ChannelInfo *
+GNUNET_MESH_channel_get_info (struct GNUNET_MESH_Channel *channel,
+ enum GNUNET_MESH_ChannelOption option, ...)
{
- const union MeshTunnelInfo *ret;
+ static int bool_flag;
+ const union GNUNET_MESH_ChannelInfo *ret;
switch (option)
{
case GNUNET_MESH_OPTION_NOBUFFER:
- ret = (const union MeshTunnelInfo *) &tunnel->nobuffer;
- break;
case GNUNET_MESH_OPTION_RELIABLE:
- ret = (const union MeshTunnelInfo *) &tunnel->reliable;
- break;
case GNUNET_MESH_OPTION_OOORDER:
- ret = (const union MeshTunnelInfo *) &tunnel->ooorder;
+ if (0 != (option & channel->options))
+ bool_flag = GNUNET_YES;
+ else
+ bool_flag = GNUNET_NO;
+ ret = (const union GNUNET_MESH_ChannelInfo *) &bool_flag;
break;
case GNUNET_MESH_OPTION_PEER:
- ret = (const union MeshTunnelInfo *) &tunnel->peer;
+ ret = (const union GNUNET_MESH_ChannelInfo *) GNUNET_PEER_resolve2 (channel->peer);
break;
default:
GNUNET_break (0);
}
struct GNUNET_MESH_TransmitHandle *
-GNUNET_MESH_notify_transmit_ready (struct GNUNET_MESH_Tunnel *tunnel, int cork,
+GNUNET_MESH_notify_transmit_ready (struct GNUNET_MESH_Channel *channel, int cork,
struct GNUNET_TIME_Relative maxdelay,
size_t notify_size,
GNUNET_CONNECTION_TransmitReadyNotify notify,
{
struct GNUNET_MESH_TransmitHandle *th;
- GNUNET_assert (NULL != tunnel);
+ GNUNET_assert (NULL != channel);
LOG (GNUNET_ERROR_TYPE_DEBUG, "MESH NOTIFY TRANSMIT READY\n");
- LOG (GNUNET_ERROR_TYPE_DEBUG, " on tunnel %X\n", tunnel->tid);
- LOG (GNUNET_ERROR_TYPE_DEBUG, " allow_send %d\n", tunnel->allow_send);
- if (tunnel->tid >= GNUNET_MESH_LOCAL_TUNNEL_ID_SERV)
+ LOG (GNUNET_ERROR_TYPE_DEBUG, " on channel %X\n", channel->chid);
+ LOG (GNUNET_ERROR_TYPE_DEBUG, " allow_send %d\n", channel->allow_send);
+ if (channel->chid >= GNUNET_MESH_LOCAL_CHANNEL_ID_SERV)
LOG (GNUNET_ERROR_TYPE_DEBUG, " to origin\n");
else
LOG (GNUNET_ERROR_TYPE_DEBUG, " to destination\n");
LOG (GNUNET_ERROR_TYPE_DEBUG, " payload size %u\n", notify_size);
GNUNET_assert (NULL != notify);
- GNUNET_assert (0 == tunnel->packet_size); // Only one data packet allowed
- th = GNUNET_malloc (sizeof (struct GNUNET_MESH_TransmitHandle));
- th->tunnel = tunnel;
+ GNUNET_assert (0 == channel->packet_size); // Only one data packet allowed
+ th = GNUNET_new (struct GNUNET_MESH_TransmitHandle);
+ th->channel = channel;
th->timeout = GNUNET_TIME_relative_to_absolute (maxdelay);
th->size = notify_size + sizeof (struct GNUNET_MESH_LocalData);
- tunnel->packet_size = th->size;
+ channel->packet_size = th->size;
LOG (GNUNET_ERROR_TYPE_DEBUG, " total size %u\n", th->size);
th->notify = notify;
th->notify_cls = notify_cls;
- add_to_queue (tunnel->mesh, th);
- if (NULL != tunnel->mesh->th)
+ add_to_queue (channel->mesh, th);
+ if (NULL != channel->mesh->th)
return th;
- if (GNUNET_NO == tunnel->allow_send)
+ if (GNUNET_NO == channel->allow_send)
return th;
LOG (GNUNET_ERROR_TYPE_DEBUG, " call client notify tmt rdy\n");
- tunnel->mesh->th =
- GNUNET_CLIENT_notify_transmit_ready (tunnel->mesh->client, th->size,
+ channel->mesh->th =
+ GNUNET_CLIENT_notify_transmit_ready (channel->mesh->client, th->size,
GNUNET_TIME_UNIT_FOREVER_REL,
GNUNET_YES, &send_callback,
- tunnel->mesh);
+ channel->mesh);
LOG (GNUNET_ERROR_TYPE_DEBUG, "MESH NOTIFY TRANSMIT READY END\n");
return th;
}
{
struct GNUNET_MESH_Handle *mesh;
- th->tunnel->packet_size = 0;
- mesh = th->tunnel->mesh;
+ th->channel->packet_size = 0;
+ mesh = th->channel->mesh;
if (th->timeout_task != GNUNET_SCHEDULER_NO_TASK)
GNUNET_SCHEDULER_cancel (th->timeout_task);
GNUNET_CONTAINER_DLL_remove (mesh->th_head, mesh->th_tail, th);
}
}
+
+void
+GNUNET_MESH_receive_done (struct GNUNET_MESH_Channel *channel)
+{
+ send_ack (channel);
+}
+
+
+static void
+send_info_request (struct GNUNET_MESH_Handle *h, uint16_t type)
+{
+ struct GNUNET_MessageHeader msg;
+
+ msg.size = htons (sizeof (msg));
+ msg.type = htons (type);
+ send_packet (h, &msg, NULL);
+}
+
+/**
+ * Request information about the running mesh peer.
+ * The callback will be called for every channel known to the service,
+ * listing all active peers that blong to the channel.
+ *
+ * If called again on the same handle, it will overwrite the previous
+ * callback and cls. To retrieve the cls, monitor_cancel must be
+ * called first.
+ *
+ * WARNING: unstable API, likely to change in the future!
+ *
+ * @param h Handle to the mesh peer.
+ * @param callback Function to call with the requested data.
+ * @param callback_cls Closure for @c callback.
+ */
+void
+GNUNET_MESH_get_channels (struct GNUNET_MESH_Handle *h,
+ GNUNET_MESH_ChannelsCB callback,
+ void *callback_cls)
+{
+ send_info_request (h, GNUNET_MESSAGE_TYPE_MESH_LOCAL_INFO_CHANNELS);
+ h->channels_cb = callback;
+ h->channels_cls = callback_cls;
+}
+
+
+/**
+ * Cancel a monitor request. The monitor callback will not be called.
+ *
+ * WARNING: unstable API, likely to change in the future!
+ *
+ * @param h Mesh handle.
+ *
+ * @return Closure given to GNUNET_MESH_monitor, if any.
+ */
+void *
+GNUNET_MESH_get_channels_cancel (struct GNUNET_MESH_Handle *h)
+{
+ void *cls;
+
+ cls = h->channels_cls;
+ h->channels_cb = NULL;
+ h->channels_cls = NULL;
+ return cls;
+}
+
+
+/**
+ * Request information about the running mesh peer.
+ * The callback will be called for every peer known to the service.
+ *
+ * If called again on the same handle, it will overwrite the previous
+ * callback and cls. To retrieve the cls, monitor_cancel must be
+ * called first.
+ *
+ * WARNING: unstable API, likely to change in the future!
+ *
+ * @param h Handle to the mesh peer.
+ * @param callback Function to call with the requested data.
+ * @param callback_cls Closure for @c callback.
+ */
void
-GNUNET_MESH_receive_done (struct GNUNET_MESH_Tunnel *tunnel)
+GNUNET_MESH_get_peers (struct GNUNET_MESH_Handle *h,
+ GNUNET_MESH_PeersCB callback,
+ void *callback_cls)
{
- send_ack (tunnel);
+ send_info_request (h, GNUNET_MESSAGE_TYPE_MESH_LOCAL_INFO_PEERS);
+ h->peers_cb = callback;
+ h->peers_cls = callback_cls;
}
+
/**
* Request information about the running mesh peer.
- * The callback will be called for every tunnel known to the service,
- * listing all active peers that blong to the tunnel.
+ * The callback will be called for every tunnel known to the service.
*
* If called again on the same handle, it will overwrite the previous
* callback and cls. To retrieve the cls, monitor_cancel must be
GNUNET_MESH_TunnelsCB callback,
void *callback_cls)
{
- struct GNUNET_MessageHeader msg;
-
- msg.size = htons (sizeof (msg));
- msg.type = htons (GNUNET_MESSAGE_TYPE_MESH_LOCAL_INFO_TUNNELS);
- send_packet (h, &msg, NULL);
+ send_info_request (h, GNUNET_MESSAGE_TYPE_MESH_LOCAL_INFO_TUNNELS);
h->tunnels_cb = callback;
h->tunnels_cls = callback_cls;
-
- return;
}
{
void *cls;
- cls = h->tunnels_cls;
h->tunnels_cb = NULL;
+ cls = h->tunnels_cls;
h->tunnels_cls = NULL;
+
return cls;
}
+
/**
- * Request information about a specific tunnel of the running mesh peer.
+ * Request information about the running mesh peer.
+ * The callback will be called for every channel known to the service,
+ * listing all active peers that blong to the channel.
+ *
+ * If called again on the same handle, it will overwrite the previous
+ * callback and cls. To retrieve the cls, monitor_cancel must be
+ * called first.
*
* WARNING: unstable API, likely to change in the future!
- * FIXME Add destination option.
*
* @param h Handle to the mesh peer.
- * @param initiator ID of the owner of the tunnel.
- * @param tunnel_number Tunnel number.
* @param callback Function to call with the requested data.
* @param callback_cls Closure for @c callback.
*/
void
-GNUNET_MESH_show_tunnel (struct GNUNET_MESH_Handle *h,
- struct GNUNET_PeerIdentity *initiator,
- unsigned int tunnel_number,
- GNUNET_MESH_TunnelCB callback,
- void *callback_cls)
+GNUNET_MESH_get_tunnel (struct GNUNET_MESH_Handle *h,
+ const struct GNUNET_PeerIdentity *id,
+ GNUNET_MESH_TunnelCB callback,
+ void *callback_cls)
{
- struct GNUNET_MESH_LocalMonitor msg;
+ struct GNUNET_MESH_LocalInfo msg;
+ memset (&msg, 0, sizeof (msg));
msg.header.size = htons (sizeof (msg));
msg.header.type = htons (GNUNET_MESSAGE_TYPE_MESH_LOCAL_INFO_TUNNEL);
- msg.owner = *initiator;
- msg.tunnel_id = htonl (tunnel_number);
- msg.reserved = 0;
+ msg.peer = *id;
send_packet (h, &msg.header, NULL);
h->tunnel_cb = callback;
h->tunnel_cls = callback_cls;
+}
- return;
+
+/**
+ * Request information about a specific channel of the running mesh peer.
+ *
+ * WARNING: unstable API, likely to change in the future!
+ * FIXME Add destination option.
+ *
+ * @param h Handle to the mesh peer.
+ * @param initiator ID of the owner of the channel.
+ * @param channel_number Channel number.
+ * @param callback Function to call with the requested data.
+ * @param callback_cls Closure for @c callback.
+ */
+void
+GNUNET_MESH_show_channel (struct GNUNET_MESH_Handle *h,
+ struct GNUNET_PeerIdentity *initiator,
+ unsigned int channel_number,
+ GNUNET_MESH_ChannelCB callback,
+ void *callback_cls)
+{
+ struct GNUNET_MESH_LocalInfo msg;
+
+ msg.header.size = htons (sizeof (msg));
+ msg.header.type = htons (GNUNET_MESSAGE_TYPE_MESH_LOCAL_INFO_CHANNEL);
+ msg.peer = *initiator;
+ msg.channel_id = htonl (channel_number);
+// msg.reserved = 0;
+ send_packet (h, &msg.header, NULL);
+ h->channel_cb = callback;
+ h->channel_cls = callback_cls;
}
mesh_mq_ntr (void *cls, size_t size,
void *buf)
{
- struct GNUNET_MQ_Handle *mq = cls;
+ struct GNUNET_MQ_Handle *mq = cls;
struct MeshMQState *state = GNUNET_MQ_impl_state (mq);
const struct GNUNET_MessageHeader *msg = GNUNET_MQ_impl_current (mq);
uint16_t msize;
struct MeshMQState *state = impl_state;
GNUNET_assert (NULL == state->th);
- GNUNET_MQ_impl_send_commit (mq);
state->th =
- GNUNET_MESH_notify_transmit_ready (state->tunnel,
+ GNUNET_MESH_notify_transmit_ready (state->channel,
/* FIXME: add option for corking */
GNUNET_NO,
- GNUNET_TIME_UNIT_FOREVER_REL,
+ GNUNET_TIME_UNIT_FOREVER_REL,
ntohs (msg->size),
mesh_mq_ntr, mq);
* destruction of a message queue.
* Implementations must not free 'mq', but should
* take care of 'impl_state'.
- *
+ *
* @param mq the message queue to destroy
* @param impl_state state of the implementation
*/
/**
- * Create a message queue for a mesh tunnel.
+ * Create a message queue for a mesh channel.
* The message queue can only be used to transmit messages,
* not to receive them.
*
- * @param tunnel the tunnel to create the message qeue for
- * @return a message queue to messages over the tunnel
+ * @param channel the channel to create the message qeue for
+ * @return a message queue to messages over the channel
*/
struct GNUNET_MQ_Handle *
-GNUNET_MESH_mq_create (struct GNUNET_MESH_Tunnel *tunnel)
+GNUNET_MESH_mq_create (struct GNUNET_MESH_Channel *channel)
{
struct GNUNET_MQ_Handle *mq;
struct MeshMQState *state;
state = GNUNET_new (struct MeshMQState);
- state->tunnel = tunnel;
+ state->channel = channel;
mq = GNUNET_MQ_queue_for_callbacks (mesh_mq_send_impl,
mesh_mq_destroy_impl,
projects / oweals / gnunet.git / blobdiff