/*
This file is part of GNUnet.
- (C) 2012 Christian Grothoff (and other contributing authors)
+ Copyright (C) 2012 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.
*/
/**
/**
* Request echo service
*/
-int echo;
+static int echo;
/**
* Request a debug dump
*/
-int dump;
+static int dump;
/**
* Time of last echo request.
*/
-struct GNUNET_TIME_Absolute echo_time;
+static struct GNUNET_TIME_Absolute echo_time;
/**
* Task for next echo request.
*/
-GNUNET_SCHEDULER_TaskIdentifier echo_task;
+static struct GNUNET_SCHEDULER_Task *echo_task;
/**
* Peer to connect to.
/**
* Data pending in netcat mode.
*/
-size_t data_size;
-
+static size_t data_size;
/**
* Cadet handle.
*/
static struct GNUNET_CADET_Channel *ch;
+/**
+ * Transmit handle.
+ */
+static struct GNUNET_CADET_TransmitHandle *th;
+
/**
* Shutdown task handle.
*/
-GNUNET_SCHEDULER_TaskIdentifier sd;
+static struct GNUNET_SCHEDULER_Task *sd;
+/**
+ * Task for reading from stdin.
+ */
+static struct GNUNET_SCHEDULER_Task *rd_task;
+
+/**
+ * Task for main job.
+ */
+static struct GNUNET_SCHEDULER_Task *job;
static void
listen_stdio (void);
+/**
+ * Convert encryption status to human readable string.
+ *
+ * @param status Encryption status.
+ *
+ * @return Human readable string.
+ */
+static const char *
+enc_2s (uint16_t status)
+{
+ switch (status)
+ {
+ case 0:
+ return "NULL ";
+ case 1:
+ return "KSENT";
+ case 2:
+ return "KRECV";
+ case 3:
+ return "READY";
+ default:
+ return "";
+ }
+}
+
+
+/**
+ * Convert connection status to human readable string.
+ *
+ * @param status Connection status.
+ *
+ * @return Human readable string.
+ */
+static const char *
+conn_2s (uint16_t status)
+{
+ switch (status)
+ {
+ case 0:
+ return "NEW ";
+ case 1:
+ return "SRCH ";
+ case 2:
+ return "WAIT ";
+ case 3:
+ return "READY";
+ case 4:
+ return "SHUTD";
+ default:
+ return "";
+ }
+}
+
+
/**
* Task run in monitor mode when the user presses CTRL-C to abort.
* Stops monitoring activity.
*
* @param cls Closure (unused).
- * @param tc scheduler context
*/
static void
-shutdown_task (void *cls,
- const struct GNUNET_SCHEDULER_TaskContext *tc)
+shutdown_task (void *cls)
{
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Shutdown\n");
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "Shutdown\n");
+ if (NULL != th)
+ {
+ GNUNET_CADET_notify_transmit_ready_cancel (th);
+ th = NULL;
+ }
if (NULL != ch)
{
GNUNET_CADET_channel_destroy (ch);
if (NULL != mh)
{
GNUNET_CADET_disconnect (mh);
- mh = NULL;
+ mh = NULL;
+ }
+ if (NULL != rd_task)
+ {
+ GNUNET_SCHEDULER_cancel (rd_task);
+ rd_task = NULL;
+ }
+ if (NULL != echo_task)
+ {
+ GNUNET_SCHEDULER_cancel (echo_task);
+ echo_task = NULL;
+ }
+ if (NULL != job)
+ {
+ GNUNET_SCHEDULER_cancel (job);
+ job = NULL;
}
}
* @param buf where the callee should write the message
* @return number of bytes written to buf
*/
-size_t
+static size_t
data_ready (void *cls, size_t size, void *buf)
{
struct GNUNET_MessageHeader *msg;
size_t total_size;
+ th = NULL;
+
if (NULL == buf || 0 == size)
{
GNUNET_SCHEDULER_shutdown();
}
total_size = data_size + sizeof (struct GNUNET_MessageHeader);
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "sending %u bytes\n", data_size);
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "sending %u bytes\n",
+ (unsigned int) data_size);
GNUNET_assert (size >= total_size);
msg = buf;
/**
- * Task run in monitor mode when the user presses CTRL-C to abort.
- * Stops monitoring activity.
+ * Task run in stdio mode, after some data is available at stdin.
*
* @param cls Closure (unused).
- * @param tc scheduler context
*/
static void
-read_stdio (void *cls,
- const struct GNUNET_SCHEDULER_TaskContext *tc)
+read_stdio (void *cls)
{
static char buf[60000];
- if (0 != (tc->reason & GNUNET_SCHEDULER_REASON_SHUTDOWN))
- {
- return;
- }
-
data_size = read (0, buf, 60000);
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "stdio read %u bytes\n", data_size);
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "stdio read %u bytes\n",
+ (unsigned int) data_size);
if (data_size < 1)
{
GNUNET_SCHEDULER_shutdown();
return;
}
- GNUNET_CADET_notify_transmit_ready (ch, GNUNET_NO,
- GNUNET_TIME_UNIT_FOREVER_REL,
- data_size
- + sizeof (struct GNUNET_MessageHeader),
- &data_ready, buf);
+ GNUNET_assert (NULL == th);
+ th = GNUNET_CADET_notify_transmit_ready (ch, GNUNET_NO,
+ GNUNET_TIME_UNIT_FOREVER_REL,
+ sizeof (struct GNUNET_MessageHeader)
+ + data_size,
+ &data_ready, buf);
}
rs = GNUNET_NETWORK_fdset_create ();
GNUNET_NETWORK_fdset_set_native (rs, 0);
- GNUNET_SCHEDULER_add_select (GNUNET_SCHEDULER_PRIORITY_DEFAULT,
- GNUNET_TIME_UNIT_FOREVER_REL,
- rs, NULL,
- &read_stdio, NULL);
+ rd_task = GNUNET_SCHEDULER_add_select (GNUNET_SCHEDULER_PRIORITY_DEFAULT,
+ GNUNET_TIME_UNIT_FOREVER_REL,
+ rs, NULL,
+ &read_stdio, NULL);
GNUNET_NETWORK_fdset_destroy (rs);
}
void *channel_ctx)
{
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Channel ended!\n");
- GNUNET_break (channel == ch);
- ch = NULL;
+ if (channel != ch)
+ {
+ GNUNET_break (0);
+ GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "ended: %p, expected: %p\n", channel, ch);
+ }
+ else
+ {
+ ch = NULL;
+ }
+ if (NULL != th)
+ {
+ GNUNET_CADET_notify_transmit_ready_cancel (th);
+ th = NULL;
+ }
+
GNUNET_SCHEDULER_shutdown ();
}
channel, port);
if (NULL != ch)
{
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "A channel already exists\n");
+ GNUNET_break (0);
+ GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
+ "A channel already exists (%p)\n", ch);
+ GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
+ "Incoming channel %p on port %u\n", channel, port);
return NULL;
}
if (0 == listen_port)
* @brief Send an echo request to the remote peer.
*
* @param cls Closure (NULL).
- * @param tc Task context.
*/
static void
-send_echo (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
+send_echo (void *cls)
{
- if (0 != (tc->reason & GNUNET_SCHEDULER_REASON_SHUTDOWN) || NULL == ch)
+ if (NULL == ch)
return;
-
- GNUNET_CADET_notify_transmit_ready (ch, GNUNET_NO,
- GNUNET_TIME_UNIT_FOREVER_REL,
- sizeof (struct GNUNET_MessageHeader),
- &data_ready, NULL);
+ GNUNET_assert (NULL == th);
+ th = GNUNET_CADET_notify_transmit_ready (ch, GNUNET_NO,
+ GNUNET_TIME_UNIT_FOREVER_REL,
+ sizeof (struct GNUNET_MessageHeader),
+ &data_ready, NULL);
}
* Call CADET's monitor API, request debug dump on the service.
*
* @param cls Closure (unused).
- * @param tc TaskContext
*/
static void
-request_dump (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
+request_dump (void *cls)
{
GNUNET_CADET_request_dump (mh);
GNUNET_SCHEDULER_cancel (sd);
- GNUNET_SCHEDULER_add_delayed (GNUNET_TIME_UNIT_SECONDS, &shutdown_task, NULL);
+ GNUNET_SCHEDULER_add_delayed (GNUNET_TIME_UNIT_SECONDS,
+ &shutdown_task, NULL);
}
* Call CADET's monitor API, get info of one connection.
*
* @param cls Closure (unused).
- * @param tc TaskContext
*/
static void
-create_channel (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
+create_channel (void *cls)
{
struct GNUNET_PeerIdentity pid;
enum GNUNET_CADET_ChannelOption opt;
if (GNUNET_NO == echo)
listen_stdio ();
else
- GNUNET_SCHEDULER_add_now (send_echo, NULL);
+ echo_task = GNUNET_SCHEDULER_add_now (&send_echo, NULL);
}
uint16_t off;
const char *buf;
GNUNET_break (ch == channel);
+ GNUNET_CADET_receive_done (channel);
if (GNUNET_YES == echo)
{
if (0 != listen_port)
{
/* Just listening to echo incoming messages*/
- GNUNET_CADET_notify_transmit_ready (channel, GNUNET_NO,
- GNUNET_TIME_UNIT_FOREVER_REL,
- sizeof (struct GNUNET_MessageHeader),
- &data_ready, NULL);
+ if (NULL != th)
+ {
+ GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
+ "Last echo reply not yet sent, dropping current reply.\n");
+ return GNUNET_OK;
+ }
+ th = GNUNET_CADET_notify_transmit_ready (channel, GNUNET_NO,
+ GNUNET_TIME_UNIT_FOREVER_REL,
+ sizeof (struct GNUNET_MessageHeader),
+ &data_ready, NULL);
return GNUNET_OK;
}
else
* (0 = unknown, 1 = ourselves, 2 = neighbor)
*/
static void
-peers_callback (void *cls, const struct GNUNET_PeerIdentity *peer,
- int tunnel, unsigned int n_paths, unsigned int best_path)
+peers_callback (void *cls,
+ const struct GNUNET_PeerIdentity *peer,
+ int tunnel,
+ unsigned int n_paths,
+ unsigned int best_path)
{
if (NULL == peer)
{
* Each path starts with the local peer.
* Each path ends with the destination peer (given in @c peer).
*/
-void
+static void
peer_callback (void *cls,
const struct GNUNET_PeerIdentity *peer,
int tunnel,
unsigned int n_paths,
struct GNUNET_PeerIdentity *paths)
{
+ unsigned int i;
+ struct GNUNET_PeerIdentity *p;
+
+ FPRINTF (stdout, "%s [TUNNEL: %s, NEIGHBOR: %s, PATHS: %u]\n",
+ GNUNET_i2s_full (peer),
+ tunnel ? "Y" : "N", neighbor ? "Y" : "N", n_paths);
+ p = paths;
+ for (i = 0; i < n_paths && NULL != p;)
+ {
+ FPRINTF (stdout, "%s ", GNUNET_i2s (p));
+ if (0 == memcmp (p, peer, sizeof (*p)))
+ {
+ FPRINTF (stdout, "\n");
+ i++;
+ }
+ p++;
+ }
+
+ GNUNET_SCHEDULER_shutdown();
}
* @param estate Encryption state.
* @param cstate Connectivity state.
*/
-void
+static void
tunnels_callback (void *cls,
const struct GNUNET_PeerIdentity *peer,
unsigned int channels,
}
return;
}
- FPRINTF (stdout, "%s [ENC: %u, CON: %u] CHs: %u, CONNs: %u\n",
- GNUNET_i2s_full (peer), estate, cstate, channels, connections);
+ FPRINTF (stdout, "%s [ENC: %s, CON: %s] CHs: %u, CONNs: %u\n",
+ GNUNET_i2s_full (peer),
+ enc_2s (estate), conn_2s (cstate),
+ channels, connections);
}
* @param estate Encryption status.
* @param cstate Connectivity status.
*/
-void
+static void
tunnel_callback (void *cls,
const struct GNUNET_PeerIdentity *peer,
unsigned int n_channels,
if (NULL != peer)
{
FPRINTF (stdout, "Tunnel %s\n", GNUNET_i2s_full (peer));
- FPRINTF (stdout, "- %u channels\n", n_channels);
+ FPRINTF (stdout, "\t%u channels\n", n_channels);
for (i = 0; i < n_channels; i++)
- FPRINTF (stdout, " %u\n", channels[i]);
- FPRINTF (stdout, "- %u connections\n", n_connections);
+ FPRINTF (stdout, "\t\t%X\n", ntohl (channels[i]));
+ FPRINTF (stdout, "\t%u connections\n", n_connections);
for (i = 0; i < n_connections; i++)
- FPRINTF (stdout, " %s\n", GC_h2s (&connections[i]));
- FPRINTF (stdout, "- enc state: %u\n", estate);
- FPRINTF (stdout, "- con state: %u\n", cstate);
+ FPRINTF (stdout, "\t\t%s\n", GC_h2s (&connections[i]));
+ FPRINTF (stdout, "\tencryption state: %s\n", enc_2s (estate));
+ FPRINTF (stdout, "\tconnection state: %s\n", conn_2s (cstate));
}
if (GNUNET_YES != monitor_mode)
{
- GNUNET_SCHEDULER_shutdown();
+ GNUNET_SCHEDULER_shutdown ();
}
return;
-
}
* Call CADET's meta API, get all peers known to a peer.
*
* @param cls Closure (unused).
- * @param tc TaskContext
*/
static void
-get_peers (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
+get_peers (void *cls)
{
- if (0 != (tc->reason & GNUNET_SCHEDULER_REASON_SHUTDOWN))
- {
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Shutdown\n");
- return;
- }
+ job = NULL;
GNUNET_CADET_get_peers (mh, &peers_callback, NULL);
}
* Call CADET's monitor API, get info of one peer.
*
* @param cls Closure (unused).
- * @param tc TaskContext
*/
static void
-show_peer (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
+show_peer (void *cls)
{
struct GNUNET_PeerIdentity pid;
+ job = NULL;
if (GNUNET_OK !=
- GNUNET_CRYPTO_eddsa_public_key_from_string (peer_id,
- strlen (peer_id),
- &pid.public_key))
- {
+ GNUNET_CRYPTO_eddsa_public_key_from_string (peer_id,
+ strlen (peer_id),
+ &pid.public_key))
+ {
fprintf (stderr,
_("Invalid peer ID `%s'\n"),
peer_id);
GNUNET_CADET_get_peer (mh, &pid, peer_callback, NULL);
}
+
/**
* Call CADET's meta API, get all tunnels known to a peer.
*
* @param cls Closure (unused).
- * @param tc TaskContext
*/
static void
-get_tunnels (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
+get_tunnels (void *cls)
{
- if (0 != (tc->reason & GNUNET_SCHEDULER_REASON_SHUTDOWN))
- {
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Shutdown\n");
- return;
- }
+ job = NULL;
GNUNET_CADET_get_tunnels (mh, &tunnels_callback, NULL);
}
* Call CADET's monitor API, get info of one tunnel.
*
* @param cls Closure (unused).
- * @param tc TaskContext
*/
static void
-show_tunnel (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
+show_tunnel (void *cls)
{
struct GNUNET_PeerIdentity pid;
fprintf (stderr,
_("Invalid tunnel owner `%s'\n"),
tunnel_id);
- GNUNET_SCHEDULER_shutdown();
+ GNUNET_SCHEDULER_shutdown ();
return;
}
GNUNET_CADET_get_tunnel (mh, &pid, tunnel_callback, NULL);
* Call CADET's monitor API, get info of one channel.
*
* @param cls Closure (unused).
- * @param tc TaskContext
*/
static void
-show_channel (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
+show_channel (void *cls)
{
-
+ job = NULL;
+ GNUNET_break (0);
}
* Call CADET's monitor API, get info of one connection.
*
* @param cls Closure (unused).
- * @param tc TaskContext
*/
static void
-show_connection (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
+show_connection (void *cls)
{
-
+ job = NULL;
+ GNUNET_break (0);
}
* @param cfg configuration
*/
static void
-run (void *cls, char *const *args, const char *cfgfile,
+run (void *cls,
+ char *const *args,
+ const char *cfgfile,
const struct GNUNET_CONFIGURATION_Handle *cfg)
{
GNUNET_CADET_InboundChannelNotificationHandler *newch = NULL;
&& target_id != NULL)
{
FPRINTF (stderr,
- _("You must NOT give a TARGET"
+ _("You must NOT give a TARGET "
"when using 'request all' options\n"));
return;
}
else if (NULL != peer_id)
{
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Show peer\n");
- GNUNET_SCHEDULER_add_now (&show_peer, NULL);
+ job = GNUNET_SCHEDULER_add_now (&show_peer, NULL);
}
else if (NULL != tunnel_id)
{
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Show tunnel\n");
- GNUNET_SCHEDULER_add_now (&show_tunnel, NULL);
+ job = GNUNET_SCHEDULER_add_now (&show_tunnel, NULL);
}
else if (NULL != channel_id)
{
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Show channel\n");
- GNUNET_SCHEDULER_add_now (&show_channel, NULL);
+ job = GNUNET_SCHEDULER_add_now (&show_channel, NULL);
}
else if (NULL != conn_id)
{
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Show connection\n");
- GNUNET_SCHEDULER_add_now (&show_connection, NULL);
+ job = GNUNET_SCHEDULER_add_now (&show_connection, NULL);
}
else if (GNUNET_YES == request_peers)
{
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Show all peers\n");
- GNUNET_SCHEDULER_add_now (&get_peers, NULL);
+ job = GNUNET_SCHEDULER_add_now (&get_peers, NULL);
}
else if (GNUNET_YES == request_tunnels)
{
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Show all tunnels\n");
- GNUNET_SCHEDULER_add_now (&get_tunnels, NULL);
+ job = GNUNET_SCHEDULER_add_now (&get_tunnels, NULL);
}
else
{
ports);
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Done\n");
if (NULL == mh)
- GNUNET_SCHEDULER_add_now (shutdown_task, NULL);
+ GNUNET_SCHEDULER_add_now (&shutdown_task, NULL);
else
- sd = GNUNET_SCHEDULER_add_delayed (GNUNET_TIME_UNIT_FOREVER_REL,
- shutdown_task, NULL);
-
+ sd = GNUNET_SCHEDULER_add_shutdown (&shutdown_task, NULL);
}