/*
This file is part of GNUnet.
- (C) 2010-2014 Christian Grothoff (and other contributing authors)
+ Copyright (C) 2010-2014 Christian Grothoff (and other contributing authors)
GNUnet is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published
/**
* @file transport/gnunet-service-transport_clients.c
- * @brief plugin management API
+ * @brief communication with clients (core service and monitors)
* @author Christian Grothoff
*/
#include "platform.h"
/**
- * Client monitoring changes of active addresses of our neighbours.
+ * Client monitoring changes of active addresses or validations
+ * of our neighbours. Which type is being monitored depends on the
+ * DLL this struct is in.
*/
struct MonitoringClient
{
/**
* Head of linked list of all pending address iterations
*/
-struct AddressToStringContext *a2s_head;
+static struct AddressToStringContext *a2s_head;
/**
* Tail of linked list of all pending address iterations
*/
-struct AddressToStringContext *a2s_tail;
+static struct AddressToStringContext *a2s_tail;
/**
* Head of linked list of monitoring clients.
sizeof (struct GNUNET_PeerIdentity)))
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
"Client %p started monitoring of the peer `%s'\n",
- mc, GNUNET_i2s (peer));
+ mc,
+ GNUNET_i2s (peer));
else
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
- "Client %p started monitoring all peers\n", mc);
+ "Client %p started monitoring all peers\n",
+ mc);
return mc;
}
if ( (tc->message_count >= MAX_PENDING) &&
(GNUNET_YES == may_drop) )
{
- GNUNET_log (GNUNET_ERROR_TYPE_INFO,
- _("Dropping message of type %u and size %u, have %u/%u messages pending\n"),
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "Dropping message of type %u and size %u, have %u/%u messages pending\n",
ntohs (msg->type),
ntohs (msg->size),
tc->message_count,
tc = lookup_client (client);
if (NULL == tc)
return;
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG | GNUNET_ERROR_TYPE_BULK,
- "Client %p disconnected, cleaning up.\n", tc);
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "Client %p disconnected, cleaning up.\n",
+ tc);
while (NULL != (mqe = tc->message_queue_head))
{
- GNUNET_CONTAINER_DLL_remove (tc->message_queue_head, tc->message_queue_tail,
+ GNUNET_CONTAINER_DLL_remove (tc->message_queue_head,
+ tc->message_queue_tail,
mqe);
tc->message_count--;
GNUNET_free (mqe);
}
- GNUNET_CONTAINER_DLL_remove (clients_head, clients_tail, tc);
+ GNUNET_CONTAINER_DLL_remove (clients_head,
+ clients_tail,
+ tc);
GNUNET_SERVER_client_set_user_context (client, NULL);
if (NULL != tc->th)
{
struct GNUNET_BANDWIDTH_Value32NBO bandwidth_out)
{
struct TransportClient *tc = cls;
- struct ConnectInfoMessage *cim;
- size_t size = sizeof (struct ConnectInfoMessage);
- char buf[size] GNUNET_ALIGN;
+ struct ConnectInfoMessage cim;
if (GNUNET_NO == GST_neighbours_test_connected (peer))
return;
-
- GNUNET_assert (size < GNUNET_SERVER_MAX_MESSAGE_SIZE);
- cim = (struct ConnectInfoMessage *) buf;
- cim->header.size = htons (size);
- cim->header.type = htons (GNUNET_MESSAGE_TYPE_TRANSPORT_CONNECT);
- cim->id = *peer;
- cim->quota_in = bandwidth_in;
- cim->quota_out = bandwidth_out;
- unicast (tc, &cim->header, GNUNET_NO);
+ cim.header.size = htons (sizeof (struct ConnectInfoMessage));
+ cim.header.type = htons (GNUNET_MESSAGE_TYPE_TRANSPORT_CONNECT);
+ cim.id = *peer;
+ cim.quota_in = bandwidth_in;
+ cim.quota_out = bandwidth_out;
+ unicast (tc, &cim.header, GNUNET_NO);
}
uint32_t options;
tc = lookup_client (client);
-
- GNUNET_log (GNUNET_ERROR_TYPE_INFO | GNUNET_ERROR_TYPE_BULK,
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
"Client %p sent START\n", tc);
- if (tc != NULL)
+ if (NULL != tc)
{
/* got 'start' twice from the same client, not allowed */
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG | GNUNET_ERROR_TYPE_BULK,
- "TransportClient %p ServerClient %p sent multiple START messages\n",
- tc, tc->client);
GNUNET_break (0);
GNUNET_SERVER_receive_done (client, GNUNET_SYSERR);
return;
sizeof (struct GNUNET_PeerIdentity))))
{
/* client thinks this is a different peer, reject */
- GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
- _("Rejecting control connection from peer `%s', which is not me!\n"),
- GNUNET_i2s (&start->self));
+ GNUNET_break (0);
GNUNET_SERVER_receive_done (client, GNUNET_SYSERR);
return;
}
* @param message the HELLO message
*/
static void
-clients_handle_hello (void *cls, struct GNUNET_SERVER_Client *client,
+clients_handle_hello (void *cls,
+ struct GNUNET_SERVER_Client *client,
const struct GNUNET_MessageHeader *message)
{
GST_validation_handle_hello (message);
return;
}
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
- "Received `%s' request from client with target `%4s' and first message of type %u and total size %u\n",
- "SEND",
- GNUNET_i2s (&obm->peer),
- ntohs (obmm->type),
- msize);
if (GNUNET_NO == GST_neighbours_test_connected (&obm->peer))
{
/* not connected, not allowed to send; can happen due to asynchronous operations */
GNUNET_SERVER_receive_done (client, GNUNET_OK);
return;
}
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "Received `%s' request from client with target `%4s' and first message of type %u and total size %u\n",
+ "SEND",
+ GNUNET_i2s (&obm->peer),
+ ntohs (obmm->type),
+ msize);
GNUNET_SERVER_receive_done (client, GNUNET_OK);
stcc = GNUNET_new (struct SendTransmitContinuationContext);
stcc->target = obm->peer;
GNUNET_i2s (peer));
return; /* not allowed */
}
-
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
- _("Blacklist allows connection attempt to peer `%s'\n"),
+ "Blacklist allows connection attempt to peer `%s'\n",
GNUNET_i2s (peer));
GST_neighbours_try_connect (peer);
sizeof (struct GNUNET_PeerIdentity)))
{
GNUNET_break (0);
- GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
- "Received a request connect message myself `%s'\n",
- GNUNET_i2s (&trcm->peer));
GNUNET_SERVER_receive_done (client, GNUNET_OK);
return;
}
- GNUNET_log (GNUNET_ERROR_TYPE_INFO,
- _("Received a request connect message for peer `%s'\n"),
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "Received a request connect message for peer `%s'\n",
GNUNET_i2s (&trcm->peer));
(void) GST_blacklist_test_allowed (&trcm->peer,
NULL,
sizeof (struct GNUNET_PeerIdentity)))
{
GNUNET_break (0);
- GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
- "Received a request disconnect message myself `%s'\n",
- GNUNET_i2s (&trdm->peer));
GNUNET_SERVER_receive_done (client, GNUNET_OK);
return;
}
- GNUNET_log (GNUNET_ERROR_TYPE_INFO,
- _("Received a request disconnect message for peer `%s'\n"),
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "Received a request disconnect message for peer `%s'\n",
GNUNET_i2s (&trdm->peer));
(void) GST_neighbours_force_disconnect (&trdm->peer);
GNUNET_SERVER_receive_done (client, GNUNET_OK);
alen = address->address_length;
}
else
- tlen = alen = 0;
+ {
+ tlen = 0;
+ alen = 0;
+ }
size = (sizeof (struct PeerIterateResponseMessage) + alen + tlen);
msg = GNUNET_malloc (size);
msg->header.size = htons (size);
alen = address->address_length;
}
else
- tlen = alen = 0;
+ {
+ tlen = 0;
+ alen = 0;
+ }
size = (sizeof (struct ValidationIterateResponseMessage) + alen + tlen);
msg = GNUNET_malloc (size);
msg->header.size = htons (size);
* Output information of validation entries to the given client.
*
* @param cls the `struct IterationContext *`
- * @param peer identity of the neighbour
* @param address the address
* @param last_validation point in time when last validation was performed
* @param valid_until point in time how long address is valid
*/
static void
send_validation_information (void *cls,
- const struct GNUNET_PeerIdentity *peer,
const struct GNUNET_HELLO_Address *address,
struct GNUNET_TIME_Absolute last_validation,
struct GNUNET_TIME_Absolute valid_until,
struct IterationContext *pc = cls;
struct ValidationIterateResponseMessage *msg;
- if ( (GNUNET_YES == pc->all) ||
- (0 == memcmp (peer, &pc->id, sizeof (pc->id))) )
- {
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
- "Sending information about for validation entry for peer `%s' using address `%s'\n",
- GNUNET_i2s(peer), (address != NULL) ? GST_plugins_a2s (address) : "<none>");
- msg = compose_validation_iterate_response_message (peer, address);
- msg->last_validation = GNUNET_TIME_absolute_hton(last_validation);
- msg->valid_until = GNUNET_TIME_absolute_hton(valid_until);
- msg->next_validation = GNUNET_TIME_absolute_hton(next_validation);
- msg->state = htonl ((uint32_t) state);
- GNUNET_SERVER_transmit_context_append_message (pc->tc, &msg->header);
- GNUNET_free (msg);
- }
+ if ( (GNUNET_YES != pc->all) &&
+ (0 != memcmp (&address->peer, &pc->id, sizeof (pc->id))) )
+ return;
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "Sending information about for validation entry for peer `%s' using address `%s'\n",
+ GNUNET_i2s (&address->peer),
+ (NULL != address) ? GST_plugins_a2s (address) : "<none>");
+ msg = compose_validation_iterate_response_message (&address->peer, address);
+ msg->last_validation = GNUNET_TIME_absolute_hton(last_validation);
+ msg->valid_until = GNUNET_TIME_absolute_hton(valid_until);
+ msg->next_validation = GNUNET_TIME_absolute_hton(next_validation);
+ msg->state = htonl ((uint32_t) state);
+ GNUNET_SERVER_transmit_context_append_message (pc->tc, &msg->header);
+ GNUNET_free (msg);
}
struct IterationContext *pc = cls;
struct PeerIterateResponseMessage *msg;
- if ( (GNUNET_YES == pc->all) ||
- (0 == memcmp (peer, &pc->id, sizeof (pc->id))) )
- {
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
- "Sending information about `%s' using address `%s' in state `%s'\n",
- GNUNET_i2s(peer),
- (address != NULL) ? GST_plugins_a2s (address) : "<none>",
- GNUNET_TRANSPORT_ps2s (state));
- msg = compose_address_iterate_response_message (peer, address);
- msg->state = htonl (state);
- msg->state_timeout = GNUNET_TIME_absolute_hton(state_timeout);
- GNUNET_SERVER_transmit_context_append_message (pc->tc, &msg->header);
- GNUNET_free (msg);
- }
+ if ( (GNUNET_YES != pc->all) &&
+ (0 != memcmp (peer, &pc->id, sizeof (pc->id))) )
+ return;
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "Sending information about `%s' using address `%s' in state `%s'\n",
+ GNUNET_i2s(peer),
+ (NULL != address) ? GST_plugins_a2s (address) : "<none>",
+ GNUNET_TRANSPORT_ps2s (state));
+ msg = compose_address_iterate_response_message (peer, address);
+ msg->state = htonl (state);
+ msg->state_timeout = GNUNET_TIME_absolute_hton(state_timeout);
+ GNUNET_SERVER_transmit_context_append_message (pc->tc, &msg->header);
+ GNUNET_free (msg);
}
(NULL != lookup_monitoring_client (peer_monitoring_clients_head,
client)) )
{
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG | GNUNET_ERROR_TYPE_BULK,
- "ServerClient %p tried to start monitoring twice\n",
- client);
GNUNET_break (0);
GNUNET_SERVER_receive_done (client, GNUNET_SYSERR);
return;
pc.tc = tc = GNUNET_SERVER_transmit_context_create (client);
/* Send initial list */
- if (0 == memcmp (&msg->peer, &all_zeros, sizeof (struct GNUNET_PeerIdentity)))
+ if (0 == memcmp (&msg->peer,
+ &all_zeros,
+ sizeof (struct GNUNET_PeerIdentity)))
{
/* iterate over all neighbours */
pc.all = GNUNET_YES;
if ( (GNUNET_YES != ntohl (msg->one_shot)) &&
(NULL != lookup_monitoring_client (val_monitoring_clients_head, client)) )
{
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG | GNUNET_ERROR_TYPE_BULK,
- "ServerClient %p tried to start monitoring twice\n",
- client);
GNUNET_break (0);
GNUNET_SERVER_receive_done (client, GNUNET_SYSERR);
return;
pc.tc = tc = GNUNET_SERVER_transmit_context_create (client);
/* Send initial list */
- if (0 == memcmp (&msg->peer, &all_zeros, sizeof (struct GNUNET_PeerIdentity)))
+ if (0 == memcmp (&msg->peer,
+ &all_zeros,
+ sizeof (struct GNUNET_PeerIdentity)))
{
/* iterate over all neighbours */
pc.all = GNUNET_YES;
pc.all = GNUNET_NO;
pc.id = msg->peer;
}
-
- GST_validation_iterate (&send_validation_information, &pc);
+ GST_validation_iterate (&send_validation_information,
+ &pc);
if (GNUNET_YES != ntohl (msg->one_shot))
{
else
{
GNUNET_SERVER_transmit_context_append_data (tc, NULL, 0,
- GNUNET_MESSAGE_TYPE_TRANSPORT_MONITOR_VALIDATION_RESPONSE);
+ GNUNET_MESSAGE_TYPE_TRANSPORT_MONITOR_VALIDATION_RESPONSE);
}
GNUNET_SERVER_transmit_context_run (tc, GNUNET_TIME_UNIT_FOREVER_REL);
}
msg->plugin_address_len = htons (alen);
name = (char *) &msg[1];
memcpy (name, info->address->transport_name, slen);
- addr = &name[slen + 1];
+ addr = &name[slen];
memcpy (addr, info->address->address, alen);
if (NULL != sync_client)
GNUNET_SERVER_notification_context_unicast (plugin_nc,
msg = compose_address_iterate_response_message (peer, address);
msg->state = htonl (state);
msg->state_timeout = GNUNET_TIME_absolute_hton (state_timeout);
- mc = peer_monitoring_clients_head;
- while (mc != NULL)
- {
+ for (mc = peer_monitoring_clients_head; NULL != mc; mc = mc->next)
if ((0 == memcmp (&mc->peer, &all_zeros,
sizeof (struct GNUNET_PeerIdentity))) ||
(0 == memcmp (&mc->peer, peer,
sizeof (struct GNUNET_PeerIdentity))))
- {
- GNUNET_SERVER_notification_context_unicast (peer_nc, mc->client,
- &msg->header, GNUNET_NO);
- }
-
- mc = mc->next;
- }
+ GNUNET_SERVER_notification_context_unicast (peer_nc,
+ mc->client,
+ &msg->header,
+ GNUNET_NO);
GNUNET_free (msg);
}
+
/**
* Broadcast the new validation changes to all clients monitoring the peer.
*
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
"Sending information about for validation entry for peer `%s' using address `%s'\n",
- GNUNET_i2s(peer), (address != NULL) ? GST_plugins_a2s (address) : "<none>");
-
+ GNUNET_i2s(peer),
+ (address != NULL) ? GST_plugins_a2s (address) : "<none>");
msg = compose_validation_iterate_response_message (peer, address);
msg->last_validation = GNUNET_TIME_absolute_hton(last_validation);
msg->valid_until = GNUNET_TIME_absolute_hton(valid_until);
msg->next_validation = GNUNET_TIME_absolute_hton(next_validation);
msg->state = htonl ((uint32_t) state);
- mc = val_monitoring_clients_head;
- while (mc != NULL)
- {
+ for (mc = val_monitoring_clients_head; NULL != mc; mc = mc->next)
if ((0 == memcmp (&mc->peer, &all_zeros,
sizeof (struct GNUNET_PeerIdentity))) ||
(0 == memcmp (&mc->peer, peer,
sizeof (struct GNUNET_PeerIdentity))))
- {
- GNUNET_SERVER_notification_context_unicast (val_nc, mc->client,
- &msg->header, GNUNET_NO);
-
- }
- mc = mc->next;
- }
+ GNUNET_SERVER_notification_context_unicast (val_nc,
+ mc->client,
+ &msg->header,
+ GNUNET_NO);
GNUNET_free (msg);
}
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