#include "gnunet_ats_service.h"
#include "ats.h"
-
-#define INTERFACE_PROCESSING_INTERVALL GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_SECONDS, 1)
-
-#define NOT_FOUND 0
-
/**
- * Message in linked list we should send to the ATS service. The
- * actual binary message follows this struct.
+ * How frequently do we scan the interfaces for changes to the addresses?
*/
-struct PendingMessage
-{
-
- /**
- * Kept in a DLL.
- */
- struct PendingMessage *next;
-
- /**
- * Kept in a DLL.
- */
- struct PendingMessage *prev;
+#define INTERFACE_PROCESSING_INTERVAL GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_MINUTES, 2)
- /**
- * Size of the message.
- */
- size_t size;
- /**
- * Is this the 'ATS_START' message?
- */
- int is_init;
-};
+/**
+ * Session ID we use if there is no session / slot.
+ */
+#define NOT_FOUND 0
/**
};
+/**
+ * We keep a list of our local networks so we can answer
+ * LAN vs. WAN questions. Note: WLAN is not detected yet.
+ * (maybe we can do that heuristically based on interface
+ * name in the future?)
+ */
struct ATS_Network
{
- struct ATS_Network * next;
+ /**
+ * Kept in a DLL.
+ */
+ struct ATS_Network *next;
- struct ATS_Network * prev;
+ /**
+ * Kept in a DLL.
+ */
+ struct ATS_Network *prev;
+ /**
+ * Network address.
+ */
struct sockaddr *network;
+ /**
+ * Netmask to determine what is in the LAN.
+ */
struct sockaddr *netmask;
+ /**
+ * How long are @e network and @e netmask?
+ */
socklen_t length;
};
/**
- * Handle for address suggestions
+ * Handle for ATS address suggestion requests.
*/
struct GNUNET_ATS_SuggestHandle
{
- struct GNUNET_ATS_SuggestHandle *prev;
-
- struct GNUNET_ATS_SuggestHandle *next;
-
+ /**
+ * ID of the peer for which address suggestion was requested.
+ */
struct GNUNET_PeerIdentity id;
};
void *suggest_cb_cls;
/**
- * DLL for suggestions head
- */
- struct GNUNET_ATS_SuggestHandle *sug_head;
-
- /**
- * DLL for suggestions tail
+ * Map with the identities of all the peers for which we would
+ * like to have address suggestions. The key is the PID, the
+ * value is currently the `struct GNUNET_ATS_SuggestHandle`
*/
- struct GNUNET_ATS_SuggestHandle *sug_tail;
+ struct GNUNET_CONTAINER_MultiPeerMap *sug_requests;
/**
* Connection to ATS service.
struct GNUNET_CLIENT_Connection *client;
/**
- * Head of list of messages for the ATS service.
- */
- struct PendingMessage *pending_head;
-
- /**
- * Tail of list of messages for the ATS service
- */
- struct PendingMessage *pending_tail;
-
- /**
- * Current request for transmission to ATS.
+ * Message queue for sending requests to the ATS service.
*/
- struct GNUNET_CLIENT_TransmitHandle *th;
+ struct GNUNET_MQ_Handle *mq;
/**
- * Head of network list
+ * Head of LAN networks list.
*/
struct ATS_Network *net_head;
/**
- * Tail of network list
+ * Tail of LAN networks list.
*/
struct ATS_Network *net_tail;
struct GNUNET_SCHEDULER_Task *task;
/**
- * Task retrieving interfaces from the system
+ * Task for periodically refreshing our LAN network list.
*/
struct GNUNET_SCHEDULER_Task *interface_task;
*/
unsigned int session_array_size;
- /**
- * Should we reconnect to ATS due to some serious error?
- */
- int reconnect;
};
static void
force_reconnect (struct GNUNET_ATS_SchedulingHandle *sh)
{
- sh->reconnect = GNUNET_NO;
- GNUNET_CLIENT_disconnect (sh->client);
- sh->client = NULL;
- sh->task = GNUNET_SCHEDULER_add_delayed (GNUNET_TIME_UNIT_SECONDS,
- &reconnect_task,
- sh);
-}
-
-
-/**
- * Transmit messages from the message queue to the service
- * (if there are any, and if we are not already trying).
- *
- * @param sh handle to use
- */
-static void
-do_transmit (struct GNUNET_ATS_SchedulingHandle *sh);
-
-
-/**
- * Type of a function to call when we receive a message
- * from the service.
- *
- * @param cls the `struct GNUNET_ATS_SchedulingHandle`
- * @param msg message received, NULL on timeout or fatal error
- */
-static void
-process_ats_message (void *cls,
- const struct GNUNET_MessageHeader *msg);
-
-
-/**
- * We can now transmit a message to ATS. Do it.
- *
- * @param cls the `struct GNUNET_ATS_SchedulingHandle`
- * @param size number of bytes we can transmit to ATS
- * @param buf where to copy the messages
- * @return number of bytes copied into @a buf
- */
-static size_t
-transmit_message_to_ats (void *cls,
- size_t size,
- void *buf)
-{
- struct GNUNET_ATS_SchedulingHandle *sh = cls;
- struct PendingMessage *p;
- size_t ret;
- char *cbuf;
-
- sh->th = NULL;
- if ((0 == size) || (NULL == buf))
+ if (NULL != sh->mq)
{
- force_reconnect (sh);
- return 0;
+ GNUNET_MQ_destroy (sh->mq);
+ sh->mq = NULL;
}
- ret = 0;
- cbuf = buf;
- while ((NULL != (p = sh->pending_head)) && (p->size <= size))
+ if (NULL != sh->client)
{
- memcpy (&cbuf[ret],
- &p[1],
- p->size);
- ret += p->size;
- size -= p->size;
- GNUNET_CONTAINER_DLL_remove (sh->pending_head,
- sh->pending_tail,
- p);
- GNUNET_free (p);
+ GNUNET_CLIENT_disconnect (sh->client);
+ sh->client = NULL;
}
- do_transmit (sh);
- return ret;
-}
-
-
-/**
- * Transmit messages from the message queue to the service
- * (if there are any, and if we are not already trying).
- *
- * @param sh handle to use
- */
-static void
-do_transmit (struct GNUNET_ATS_SchedulingHandle *sh)
-{
- struct PendingMessage *p;
-
- if (NULL != sh->th)
- return;
- if (NULL == (p = sh->pending_head))
- return;
- if (NULL == sh->client)
- return; /* currently reconnecting */
- sh->th =
- GNUNET_CLIENT_notify_transmit_ready (sh->client, p->size,
- GNUNET_TIME_UNIT_FOREVER_REL,
- GNUNET_NO, &transmit_message_to_ats,
+ sh->task = GNUNET_SCHEDULER_add_delayed (GNUNET_TIME_UNIT_SECONDS,
+ &reconnect_task,
sh);
}
sizeof (struct GNUNET_PeerIdentity)))
{
GNUNET_break (0);
- sh->reconnect = GNUNET_YES;
+ force_reconnect (sh);
return NULL;
}
/* This check exploits the fact that first field of a session object
memcmp (peer, sh->session_array[session_id].session,
sizeof (struct GNUNET_PeerIdentity)))
{
- GNUNET_log_from (GNUNET_ERROR_TYPE_DEBUG, "ats-scheduling-api",
- "Session %p belongs to peer `%s'\n",
- sh->session_array[session_id].session, GNUNET_i2s_full ((struct GNUNET_PeerIdentity *) &sh->session_array[session_id].peer));
+ GNUNET_log_from (GNUNET_ERROR_TYPE_DEBUG,
+ "ats-scheduling-api",
+ "Session %p belongs to peer `%s'\n",
+ sh->session_array[session_id].session,
+ GNUNET_i2s_full ((struct GNUNET_PeerIdentity *) &sh->session_array[session_id].peer));
/*
GNUNET_break (0);
sh->reconnect = GNUNET_YES;
uint32_t session_id,
const struct GNUNET_PeerIdentity *peer)
{
-
- GNUNET_log_from (GNUNET_ERROR_TYPE_DEBUG, "ats-scheduling-api",
- "Release sessionID %u from peer %s in %p\n",
- (unsigned int) session_id, GNUNET_i2s (peer), sh);
-
+ GNUNET_log_from (GNUNET_ERROR_TYPE_DEBUG,
+ "ats-scheduling-api",
+ "Release sessionID %u from peer %s in %p\n",
+ (unsigned int) session_id,
+ GNUNET_i2s (peer),
+ sh);
if (session_id >= sh->session_array_size)
{
GNUNET_break (0);
- sh->reconnect = GNUNET_YES;
+ force_reconnect (sh);
return;
}
-
/* this slot should have been removed from remove_session before */
GNUNET_assert (sh->session_array[session_id].session == NULL);
sizeof (struct GNUNET_PeerIdentity)))
{
GNUNET_break (0);
- sh->reconnect = GNUNET_YES;
+ force_reconnect (sh);
return;
}
sh->session_array[session_id].slot_used = GNUNET_NO;
- memset (&sh->session_array[session_id].peer, 0,
+ memset (&sh->session_array[session_id].peer,
+ 0,
sizeof (struct GNUNET_PeerIdentity));
}
+/**
+ * Type of a function to call when we receive a session release
+ * message from the service.
+ *
+ * @param cls the `struct GNUNET_ATS_SchedulingHandle`
+ * @param msg message received, NULL on timeout or fatal error
+ */
static void
-process_release_message (struct GNUNET_ATS_SchedulingHandle *sh,
- const struct SessionReleaseMessage *srm)
+process_ats_session_release_message (void *cls,
+ const struct GNUNET_MessageHeader *msg)
{
- release_session (sh, ntohl (srm->session_id), &srm->peer);
+ struct GNUNET_ATS_SchedulingHandle *sh = cls;
+ const struct SessionReleaseMessage *srm;
+
+ srm = (const struct SessionReleaseMessage *) msg;
+
+ release_session (sh,
+ ntohl (srm->session_id),
+ &srm->peer);
}
/**
- * Type of a function to call when we receive a message
- * from the service.
+ * Type of a function to call when we receive a address suggestion
+ * message from the service.
*
* @param cls the `struct GNUNET_ATS_SchedulingHandle`
* @param msg message received, NULL on timeout or fatal error
*/
static void
-process_ats_message (void *cls,
- const struct GNUNET_MessageHeader *msg)
+process_ats_address_suggestion_message (void *cls,
+ const struct GNUNET_MessageHeader *msg)
{
struct GNUNET_ATS_SchedulingHandle *sh = cls;
const struct AddressSuggestionMessage *m;
struct GNUNET_HELLO_Address address;
struct Session *s;
- if (NULL == msg)
- {
- force_reconnect (sh);
- return;
- }
- if ((ntohs (msg->type) == GNUNET_MESSAGE_TYPE_ATS_SESSION_RELEASE) &&
- (ntohs (msg->size) == sizeof (struct SessionReleaseMessage)))
- {
- process_release_message (sh, (const struct SessionReleaseMessage *) msg);
- GNUNET_CLIENT_receive (sh->client, &process_ats_message, sh,
- GNUNET_TIME_UNIT_FOREVER_REL);
- if (GNUNET_YES == sh->reconnect)
- force_reconnect (sh);
- return;
- }
- if ((ntohs (msg->type) != GNUNET_MESSAGE_TYPE_ATS_ADDRESS_SUGGESTION) ||
- (ntohs (msg->size) <= sizeof (struct AddressSuggestionMessage)))
+ if (ntohs (msg->size) <= sizeof (struct AddressSuggestionMessage))
{
GNUNET_break (0);
force_reconnect (sh);
else
{
s = find_session (sh, session_id, &m->peer);
- if (s == NULL)
+ if (NULL == s)
{
-
- GNUNET_log_from (GNUNET_ERROR_TYPE_DEBUG, "ats-scheduling-api",
- "ATS tries to use outdated session `%s'\n",
- GNUNET_i2s (&m->peer));
- GNUNET_CLIENT_receive (sh->client, &process_ats_message, sh,
- GNUNET_TIME_UNIT_FOREVER_REL);
+ GNUNET_log_from (GNUNET_ERROR_TYPE_DEBUG,
+ "ats-scheduling-api",
+ "ATS tries to use outdated session `%s'\n",
+ GNUNET_i2s (&m->peer));
return;
}
}
-
if (NULL == sh->suggest_cb)
- return;
-
+ return;
address.peer = m->peer;
address.address = plugin_address;
address.address_length = plugin_address_length;
{
GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
"ATS returned invalid address for peer `%s' transport `%s' address length %i, session_id %i\n",
- GNUNET_i2s (&address.peer), address.transport_name,
- plugin_address_length, session_id);
+ GNUNET_i2s (&address.peer),
+ address.transport_name,
+ plugin_address_length,
+ session_id);
GNUNET_break_op (0);
- GNUNET_CLIENT_receive (sh->client, &process_ats_message, sh,
- GNUNET_TIME_UNIT_FOREVER_REL);
return;
}
-
sh->suggest_cb (sh->suggest_cb_cls,
- (const struct GNUNET_PeerIdentity *) &m->peer,
- &address, s, m->bandwidth_out,
- m->bandwidth_in, atsi, ats_count);
+ &m->peer,
+ &address,
+ s,
+ m->bandwidth_out,
+ m->bandwidth_in,
+ atsi, ats_count);
+}
- GNUNET_CLIENT_receive (sh->client, &process_ats_message, sh,
- GNUNET_TIME_UNIT_FOREVER_REL);
- if (GNUNET_YES == sh->reconnect)
- force_reconnect (sh);
+
+/**
+ * We encountered an error handling the MQ to the
+ * ATS service. Reconnect.
+ *
+ * @param cls the `struct GNUNET_ATS_SchedulingHandle`
+ * @param error details about the error
+ */
+static void
+error_handler (void *cls,
+ enum GNUNET_MQ_Error error)
+{
+ struct GNUNET_ATS_SchedulingHandle *sh = cls;
+
+ GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
+ "ATS connection died (code %d), reconnecting\n",
+ (int) error);
+ force_reconnect (sh);
}
static void
reconnect (struct GNUNET_ATS_SchedulingHandle *sh)
{
- struct PendingMessage *p;
+ static const struct GNUNET_MQ_MessageHandler handlers[] =
+ { { &process_ats_session_release_message,
+ GNUNET_MESSAGE_TYPE_ATS_SESSION_RELEASE,
+ sizeof (struct SessionReleaseMessage) },
+ { &process_ats_address_suggestion_message,
+ GNUNET_MESSAGE_TYPE_ATS_ADDRESS_SUGGESTION,
+ 0 },
+ { NULL, 0, 0 } };
+ struct GNUNET_MQ_Envelope *ev;
struct ClientStartMessage *init;
GNUNET_assert (NULL == sh->client);
sh->client = GNUNET_CLIENT_connect ("ats", sh->cfg);
- GNUNET_assert (NULL != sh->client);
- GNUNET_CLIENT_receive (sh->client,
- &process_ats_message, sh,
- GNUNET_TIME_UNIT_FOREVER_REL);
- if ( (NULL == (p = sh->pending_head)) ||
- (GNUNET_YES != p->is_init) )
+ if (NULL == sh->client)
{
- p = GNUNET_malloc (sizeof (struct PendingMessage) +
- sizeof (struct ClientStartMessage));
- p->size = sizeof (struct ClientStartMessage);
- p->is_init = GNUNET_YES;
- init = (struct ClientStartMessage *) &p[1];
- init->header.type = htons (GNUNET_MESSAGE_TYPE_ATS_START);
- init->header.size = htons (sizeof (struct ClientStartMessage));
- init->start_flag = htonl (START_FLAG_SCHEDULING);
- GNUNET_CONTAINER_DLL_insert (sh->pending_head,
- sh->pending_tail,
- p);
+ force_reconnect (sh);
+ return;
}
- do_transmit (sh);
+ sh->mq = GNUNET_MQ_queue_for_connection_client (sh->client,
+ handlers,
+ &error_handler,
+ sh);
+ ev = GNUNET_MQ_msg (init,
+ GNUNET_MESSAGE_TYPE_ATS_START);
+ init->start_flag = htonl (START_FLAG_SCHEDULING);
+ GNUNET_MQ_send (sh->mq, ev);
+ // FIXME: iterate over addresses...
+ // FIXME: iterate over peermap for address suggestion requests!
}
/**
- * Delete the current network list.
+ * Delete all entries from the current network list.
*
* @param sh scheduling handle to clean up
*/
}
+/**
+ * Function invoked for each interface found. Adds the interface's
+ * network addresses to the respective DLL, so we can distinguish
+ * between LAN and WAN.
+ *
+ * @param cls closure
+ * @param name name of the interface (can be NULL for unknown)
+ * @param isDefault is this presumably the default interface
+ * @param addr address of this interface (can be NULL for unknown or unassigned)
+ * @param broadcast_addr the broadcast address (can be NULL for unknown or unassigned)
+ * @param netmask the network mask (can be NULL for unknown or unassigned)
+ * @param addrlen length of the address
+ * @return #GNUNET_OK to continue iteration
+ */
static int
interface_proc (void *cls,
const char *name,
/* Skipping IPv4 loopback addresses since we have special check */
if (addr->sa_family == AF_INET)
{
- struct sockaddr_in * a4 = (struct sockaddr_in *) addr;
+ const struct sockaddr_in *a4 = (const struct sockaddr_in *) addr;
if ((a4->sin_addr.s_addr & htonl(0xff000000)) == htonl (0x7f000000))
return GNUNET_OK;
/* Skipping IPv6 loopback addresses since we have special check */
if (addr->sa_family == AF_INET6)
{
- struct sockaddr_in6 * a6 = (struct sockaddr_in6 *) addr;
+ const struct sockaddr_in6 *a6 = (const struct sockaddr_in6 *) addr;
if (IN6_IS_ADDR_LOOPBACK (&a6->sin6_addr))
return GNUNET_OK;
}
if (addr->sa_family == AF_INET)
{
- struct sockaddr_in *addr4 = (struct sockaddr_in *) addr;
- struct sockaddr_in *netmask4 = (struct sockaddr_in *) netmask;
- struct sockaddr_in *tmp = NULL;
+ const struct sockaddr_in *addr4 = (const struct sockaddr_in *) addr;
+ const struct sockaddr_in *netmask4 = (const struct sockaddr_in *) netmask;
+ struct sockaddr_in *tmp;
struct sockaddr_in network4;
- net = GNUNET_malloc(sizeof (struct ATS_Network) + 2 * sizeof (struct sockaddr_in));
+ net = GNUNET_malloc (sizeof (struct ATS_Network) + 2 * sizeof (struct sockaddr_in));
tmp = (struct sockaddr_in *) &net[1];
net->network = (struct sockaddr *) &tmp[0];
net->netmask = (struct sockaddr *) &tmp[1];
if (addr->sa_family == AF_INET6)
{
- struct sockaddr_in6 *addr6 = (struct sockaddr_in6 *) addr;
- struct sockaddr_in6 *netmask6 = (struct sockaddr_in6 *) netmask;
- struct sockaddr_in6 * tmp = NULL;
+ const struct sockaddr_in6 *addr6 = (const struct sockaddr_in6 *) addr;
+ const struct sockaddr_in6 *netmask6 = (const struct sockaddr_in6 *) netmask;
+ struct sockaddr_in6 * tmp;
struct sockaddr_in6 network6;
- net = GNUNET_malloc(sizeof (struct ATS_Network) + 2 * sizeof (struct sockaddr_in6));
+ net = GNUNET_malloc (sizeof (struct ATS_Network) + 2 * sizeof (struct sockaddr_in6));
tmp = (struct sockaddr_in6 *) &net[1];
net->network = (struct sockaddr *) &tmp[0];
net->netmask = (struct sockaddr *) &tmp[1];
#if HAVE_SOCKADDR_IN_SIN_LEN
network6.sin6_len = sizeof (network6);
#endif
- int c = 0;
+ unsigned int c = 0;
uint32_t *addr_elem = (uint32_t *) &addr6->sin6_addr;
uint32_t *mask_elem = (uint32_t *) &netmask6->sin6_addr;
uint32_t *net_elem = (uint32_t *) &network6.sin6_addr;
memcpy (net->netmask, netmask6, sizeof (struct sockaddr_in6));
memcpy (net->network, &network6, sizeof (struct sockaddr_in6));
}
+ if (NULL == net)
+ return GNUNET_OK; /* odd / unsupported address family */
/* Store in list */
- if (net != NULL)
- {
#if VERBOSE_ATS
- char * netmask = GNUNET_strdup (GNUNET_a2s((struct sockaddr *) net->netmask, addrlen));
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Adding network `%s', netmask `%s'\n",
- GNUNET_a2s((struct sockaddr *) net->network, addrlen),
- netmask);
- GNUNET_free (netmask);
-# endif
- GNUNET_CONTAINER_DLL_insert(sh->net_head, sh->net_tail, net);
- }
+ char * netmask = GNUNET_strdup (GNUNET_a2s((struct sockaddr *) net->netmask, addrlen));
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "Adding network `%s', netmask `%s'\n",
+ GNUNET_a2s ((struct sockaddr *) net->network,
+ addrlen),
+ netmask);
+ GNUNET_free (netmask);
+#endif
+ GNUNET_CONTAINER_DLL_insert (sh->net_head,
+ sh->net_tail,
+ net);
+
return GNUNET_OK;
}
delete_networks (sh);
GNUNET_OS_network_interfaces_list (&interface_proc,
sh);
- sh->interface_task = GNUNET_SCHEDULER_add_delayed (INTERFACE_PROCESSING_INTERVALL,
+ sh->interface_task = GNUNET_SCHEDULER_add_delayed (INTERFACE_PROCESSING_INTERVAL,
&get_addresses,
sh);
}
}
/* Check local networks */
- while ((cur != NULL) && (type == GNUNET_ATS_NET_UNSPECIFIED))
+ while ((NULL != cur) && (GNUNET_ATS_NET_UNSPECIFIED == type))
{
if (addrlen != cur->length)
{
}
if (addr->sa_family == AF_INET)
{
- struct sockaddr_in * a4 = (struct sockaddr_in *) addr;
- struct sockaddr_in * net4 = (struct sockaddr_in *) cur->network;
- struct sockaddr_in * mask4 = (struct sockaddr_in *) cur->netmask;
+ const struct sockaddr_in *a4 = (const struct sockaddr_in *) addr;
+ const struct sockaddr_in *net4 = (const struct sockaddr_in *) cur->network;
+ const struct sockaddr_in *mask4 = (const struct sockaddr_in *) cur->netmask;
if (((a4->sin_addr.s_addr & mask4->sin_addr.s_addr)) == net4->sin_addr.s_addr)
type = GNUNET_ATS_NET_LAN;
}
if (addr->sa_family == AF_INET6)
{
- struct sockaddr_in6 * a6 = (struct sockaddr_in6 *) addr;
- struct sockaddr_in6 * net6 = (struct sockaddr_in6 *) cur->network;
- struct sockaddr_in6 * mask6 = (struct sockaddr_in6 *) cur->netmask;
+ const struct sockaddr_in6 *a6 = (const struct sockaddr_in6 *) addr;
+ const struct sockaddr_in6 *net6 = (const struct sockaddr_in6 *) cur->network;
+ const struct sockaddr_in6 *mask6 = (const struct sockaddr_in6 *) cur->netmask;
int res = GNUNET_YES;
int c = 0;
GNUNET_array_grow (sh->session_array,
sh->session_array_size,
4);
+ sh->sug_requests = GNUNET_CONTAINER_multipeermap_create (32,
+ GNUNET_YES);
GNUNET_OS_network_interfaces_list (&interface_proc,
sh);
- sh->interface_task = GNUNET_SCHEDULER_add_delayed (INTERFACE_PROCESSING_INTERVALL,
+ sh->interface_task = GNUNET_SCHEDULER_add_delayed (INTERFACE_PROCESSING_INTERVAL,
&get_addresses,
sh);
reconnect (sh);
}
+/**
+ * Function called to free all `struct GNUNET_ATS_SuggestHandles`
+ * in the map.
+ *
+ * @param cls NULL
+ * @param key the key
+ * @param value the value to free
+ * @return #GNUNET_OK (continue to iterate)
+ */
+static int
+free_sug_handle (void *cls,
+ const struct GNUNET_PeerIdentity *key,
+ void *value)
+{
+ struct GNUNET_ATS_SuggestHandle *cur = value;
+
+ GNUNET_free (cur);
+ return GNUNET_OK;
+}
+
+
+
/**
* Client is done with ATS scheduling, release resources.
*
void
GNUNET_ATS_scheduling_done (struct GNUNET_ATS_SchedulingHandle *sh)
{
- struct PendingMessage *p;
- struct GNUNET_ATS_SuggestHandle *cur;
-
- while (NULL != (p = sh->pending_head))
+ if (NULL != sh->mq)
{
- GNUNET_CONTAINER_DLL_remove (sh->pending_head,
- sh->pending_tail,
- p);
- GNUNET_free (p);
+ GNUNET_MQ_destroy (sh->mq);
+ sh->mq = NULL;
}
if (NULL != sh->client)
{
GNUNET_SCHEDULER_cancel (sh->task);
sh->task = NULL;
}
- while (NULL != (cur = sh->sug_head))
- {
- GNUNET_CONTAINER_DLL_remove (sh->sug_head,
- sh->sug_tail,
- cur);
- GNUNET_free (cur);
- }
- delete_networks (sh);
+ GNUNET_CONTAINER_multipeermap_iterate (sh->sug_requests,
+ &free_sug_handle,
+ NULL);
+ GNUNET_CONTAINER_multipeermap_destroy (sh->sug_requests);
if (NULL != sh->interface_task)
{
GNUNET_SCHEDULER_cancel (sh->interface_task);
sh->interface_task = NULL;
}
+ delete_networks (sh);
GNUNET_array_grow (sh->session_array,
sh->session_array_size,
0);
GNUNET_ATS_reset_backoff (struct GNUNET_ATS_SchedulingHandle *sh,
const struct GNUNET_PeerIdentity *peer)
{
- struct PendingMessage *p;
+ struct GNUNET_MQ_Envelope *ev;
struct ResetBackoffMessage *m;
- p = GNUNET_malloc (sizeof (struct PendingMessage) +
- sizeof (struct ResetBackoffMessage));
- p->size = sizeof (struct ResetBackoffMessage);
- p->is_init = GNUNET_NO;
- m = (struct ResetBackoffMessage *) &p[1];
- m->header.type = htons (GNUNET_MESSAGE_TYPE_ATS_RESET_BACKOFF);
- m->header.size = htons (sizeof (struct ResetBackoffMessage));
+ ev = GNUNET_MQ_msg (m, GNUNET_MESSAGE_TYPE_ATS_RESET_BACKOFF);
m->reserved = htonl (0);
m->peer = *peer;
- GNUNET_CONTAINER_DLL_insert_tail (sh->pending_head,
- sh->pending_tail,
- p);
- do_transmit (sh);
+ GNUNET_MQ_send (sh->mq, ev);
}
GNUNET_ATS_suggest_address (struct GNUNET_ATS_SchedulingHandle *sh,
const struct GNUNET_PeerIdentity *peer)
{
- struct PendingMessage *p;
+ struct GNUNET_MQ_Envelope *ev;
struct RequestAddressMessage *m;
struct GNUNET_ATS_SuggestHandle *s;
- // FIXME: ATS needs to remember this in case of
- // a disconnect!
- p = GNUNET_malloc (sizeof (struct PendingMessage) +
- sizeof (struct RequestAddressMessage));
- p->size = sizeof (struct RequestAddressMessage);
- m = (struct RequestAddressMessage *) &p[1];
- m->header.type = htons (GNUNET_MESSAGE_TYPE_ATS_REQUEST_ADDRESS);
- m->header.size = htons (sizeof (struct RequestAddressMessage));
- m->reserved = htonl (0);
- m->peer = *peer;
- GNUNET_CONTAINER_DLL_insert_tail (sh->pending_head,
- sh->pending_tail,
- p);
- do_transmit (sh);
s = GNUNET_new (struct GNUNET_ATS_SuggestHandle);
s->id = *peer;
- GNUNET_CONTAINER_DLL_insert_tail (sh->sug_head,
- sh->sug_tail,
- s);
+ GNUNET_break (GNUNET_OK ==
+ GNUNET_CONTAINER_multipeermap_put (sh->sug_requests,
+ &s->id,
+ s,
+ GNUNET_CONTAINER_MULTIHASHMAPOPTION_UNIQUE_ONLY));
+ if (NULL == sh->mq)
+ return s;
+ ev = GNUNET_MQ_msg (m, GNUNET_MESSAGE_TYPE_ATS_REQUEST_ADDRESS);
+ m->reserved = htonl (0);
+ m->peer = *peer;
+ GNUNET_MQ_send (sh->mq, ev);
return s;
}
GNUNET_ATS_suggest_address_cancel (struct GNUNET_ATS_SchedulingHandle *sh,
const struct GNUNET_PeerIdentity *peer)
{
- struct PendingMessage *p;
+ struct GNUNET_MQ_Envelope *ev;
struct RequestAddressMessage *m;
struct GNUNET_ATS_SuggestHandle *s;
- for (s = sh->sug_head; NULL != s; s = s->next)
- if (0 == memcmp (peer, &s->id, sizeof (s->id)))
- break;
+ s = GNUNET_CONTAINER_multipeermap_get (sh->sug_requests,
+ peer);
if (NULL == s)
{
GNUNET_break (0);
return;
}
- GNUNET_CONTAINER_DLL_remove (sh->sug_head,
- sh->sug_tail,
- s);
+ GNUNET_assert (GNUNET_OK ==
+ GNUNET_CONTAINER_multipeermap_remove (sh->sug_requests,
+ &s->id,
+ s));
GNUNET_free (s);
-
- p = GNUNET_malloc (sizeof (struct PendingMessage) +
- sizeof (struct RequestAddressMessage));
- p->size = sizeof (struct RequestAddressMessage);
- p->is_init = GNUNET_NO;
- m = (struct RequestAddressMessage *) &p[1];
- m->header.type = htons (GNUNET_MESSAGE_TYPE_ATS_REQUEST_ADDRESS_CANCEL);
- m->header.size = htons (sizeof (struct RequestAddressMessage));
+ if (NULL == sh->mq)
+ return;
+ ev = GNUNET_MQ_msg (m, GNUNET_MESSAGE_TYPE_ATS_REQUEST_ADDRESS_CANCEL);
m->reserved = htonl (0);
m->peer = *peer;
- GNUNET_CONTAINER_DLL_insert_tail (sh->pending_head,
- sh->pending_tail,
- p);
- do_transmit (sh);
+ GNUNET_MQ_send (sh->mq, ev);
}
/**
- * We have a new address ATS should know. Addresses have to be added with this
- * function before they can be: updated, set in use and destroyed
+ * We have a new address ATS should know. Addresses have to be added
+ * with this function before they can be: updated, set in use and
+ * destroyed.
*
* @param sh handle
* @param address the address
const struct GNUNET_ATS_Information *ats,
uint32_t ats_count)
{
-
- struct PendingMessage *p;
+ struct GNUNET_MQ_Envelope *ev;
struct AddressUpdateMessage *m;
struct GNUNET_ATS_Information *am;
char *pm;
? 0
: strlen (address->transport_name) + 1;
- msize = sizeof (struct AddressUpdateMessage) + address->address_length +
+ msize = address->address_length +
ats_count * sizeof (struct GNUNET_ATS_Information) + namelen;
- if ((msize >= GNUNET_SERVER_MAX_MESSAGE_SIZE) ||
+ if ((msize + sizeof (struct AddressUpdateMessage) >= GNUNET_SERVER_MAX_MESSAGE_SIZE) ||
(address->address_length >= GNUNET_SERVER_MAX_MESSAGE_SIZE) ||
(namelen >= GNUNET_SERVER_MAX_MESSAGE_SIZE) ||
(ats_count >=
GNUNET_break (NOT_FOUND != s);
}
- p = GNUNET_malloc (sizeof (struct PendingMessage) + msize);
- p->size = msize;
- p->is_init = GNUNET_NO;
- m = (struct AddressUpdateMessage *) &p[1];
- m->header.type = htons (GNUNET_MESSAGE_TYPE_ATS_ADDRESS_ADD);
- m->header.size = htons (msize);
+ ev = GNUNET_MQ_msg_extra (m, msize, GNUNET_MESSAGE_TYPE_ATS_ADDRESS_ADD);
m->ats_count = htonl (ats_count);
m->peer = address->peer;
m->address_length = htons (address->address_length);
address->transport_name,
session,
s);
-
am = (struct GNUNET_ATS_Information *) &m[1];
- memcpy (am, ats, ats_count * sizeof (struct GNUNET_ATS_Information));
+ memcpy (am,
+ ats,
+ ats_count * sizeof (struct GNUNET_ATS_Information));
pm = (char *) &am[ats_count];
memcpy (pm, address->address, address->address_length);
if (NULL != address->transport_name)
memcpy (&pm[address->address_length],
address->transport_name,
namelen);
- GNUNET_CONTAINER_DLL_insert_tail (sh->pending_head,
- sh->pending_tail,
- p);
- do_transmit (sh);
+ GNUNET_MQ_send (sh->mq, ev);
return GNUNET_OK;
}
const struct GNUNET_ATS_Information *ats,
uint32_t ats_count)
{
- struct PendingMessage *p;
+ struct GNUNET_MQ_Envelope *ev;
struct AddressUpdateMessage *m;
struct GNUNET_ATS_Information *am;
char *pm;
namelen = (address->transport_name ==
NULL) ? 0 : strlen (address->transport_name) + 1;
- msize =
- sizeof (struct AddressUpdateMessage) + address->address_length +
+ msize = address->address_length +
ats_count * sizeof (struct GNUNET_ATS_Information) + namelen;
- if ((msize >= GNUNET_SERVER_MAX_MESSAGE_SIZE) ||
+ if ((msize + sizeof (struct AddressUpdateMessage) >= GNUNET_SERVER_MAX_MESSAGE_SIZE) ||
(address->address_length >= GNUNET_SERVER_MAX_MESSAGE_SIZE) ||
(namelen >= GNUNET_SERVER_MAX_MESSAGE_SIZE) ||
(ats_count >=
return GNUNET_NO;
}
- p = GNUNET_malloc (sizeof (struct PendingMessage) + msize);
- p->size = msize;
- p->is_init = GNUNET_NO;
- m = (struct AddressUpdateMessage *) &p[1];
- m->header.type = htons (GNUNET_MESSAGE_TYPE_ATS_ADDRESS_UPDATE);
- m->header.size = htons (msize);
+ ev = GNUNET_MQ_msg_extra (m, msize, GNUNET_MESSAGE_TYPE_ATS_ADDRESS_UPDATE);
m->ats_count = htonl (ats_count);
m->peer = address->peer;
m->address_length = htons (address->address_length);
m->address_local_info = htonl ((uint32_t) address->local_info);
m->plugin_name_length = htons (namelen);
-
m->session_id = htonl (s);
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
pm = (char *) &am[ats_count];
memcpy (pm, address->address, address->address_length);
memcpy (&pm[address->address_length], address->transport_name, namelen);
- GNUNET_CONTAINER_DLL_insert_tail (sh->pending_head, sh->pending_tail, p);
- do_transmit (sh);
+ GNUNET_MQ_send (sh->mq, ev);
return GNUNET_YES;
}
struct Session *session,
int in_use)
{
- struct PendingMessage *p;
+ struct GNUNET_MQ_Envelope *ev;
struct AddressUseMessage *m;
char *pm;
size_t namelen;
size_t msize;
uint32_t s = 0;
- GNUNET_assert (NULL != address);
namelen =
(address->transport_name ==
NULL) ? 0 : strlen (address->transport_name) + 1;
- msize = sizeof (struct AddressUseMessage) + address->address_length + namelen;
- if ((msize >= GNUNET_SERVER_MAX_MESSAGE_SIZE) ||
+ msize = address->address_length + namelen;
+ if ((msize + sizeof (struct AddressUseMessage) >= GNUNET_SERVER_MAX_MESSAGE_SIZE) ||
(address->address_length >= GNUNET_SERVER_MAX_MESSAGE_SIZE) ||
(namelen >= GNUNET_SERVER_MAX_MESSAGE_SIZE))
{
return;
}
- if (session != NULL)
+ if (NULL != session)
{
s = find_session_id (sh, session, &address->peer);
if ((s == NOT_FOUND) && (GNUNET_NO == in_use))
}
}
- p = GNUNET_malloc (sizeof (struct PendingMessage) + msize);
- p->size = msize;
- p->is_init = GNUNET_NO;
- m = (struct AddressUseMessage *) &p[1];
- m->header.type = htons (GNUNET_MESSAGE_TYPE_ATS_ADDRESS_IN_USE);
- m->header.size = htons (msize);
+ ev = GNUNET_MQ_msg_extra (m, msize, GNUNET_MESSAGE_TYPE_ATS_ADDRESS_IN_USE);
m->peer = address->peer;
m->in_use = htons (in_use);
m->address_length = htons (address->address_length);
pm = (char *) &m[1];
memcpy (pm, address->address, address->address_length);
memcpy (&pm[address->address_length], address->transport_name, namelen);
- GNUNET_CONTAINER_DLL_insert_tail (sh->pending_head, sh->pending_tail, p);
- do_transmit (sh);
+ GNUNET_MQ_send (sh->mq, ev);
}
const struct GNUNET_HELLO_Address *address,
struct Session *session)
{
- struct PendingMessage *p;
+ struct GNUNET_MQ_Envelope *ev;
struct AddressDestroyedMessage *m;
char *pm;
size_t namelen;
GNUNET_break (0);
return;
}
-
- GNUNET_assert (address->transport_name != NULL);
+ GNUNET_assert (NULL != address->transport_name);
namelen = strlen (address->transport_name) + 1;
GNUNET_assert (namelen > 1);
- msize =
- sizeof (struct AddressDestroyedMessage) + address->address_length +
- namelen;
- if ((msize >= GNUNET_SERVER_MAX_MESSAGE_SIZE) ||
+ msize = address->address_length + namelen;
+ if ((msize + sizeof (struct AddressDestroyedMessage) >= GNUNET_SERVER_MAX_MESSAGE_SIZE) ||
(address->address_length >= GNUNET_SERVER_MAX_MESSAGE_SIZE) ||
(namelen >= GNUNET_SERVER_MAX_MESSAGE_SIZE))
{
return;
}
- p = GNUNET_malloc (sizeof (struct PendingMessage) + msize);
- p->size = msize;
- p->is_init = GNUNET_NO;
- m = (struct AddressDestroyedMessage *) &p[1];
- m->header.type = htons (GNUNET_MESSAGE_TYPE_ATS_ADDRESS_DESTROYED);
- m->header.size = htons (msize);
- m->reserved = htonl (0);
+ ev = GNUNET_MQ_msg_extra (m, msize, GNUNET_MESSAGE_TYPE_ATS_ADDRESS_DESTROYED);
m->peer = address->peer;
m->address_length = htons (address->address_length);
m->address_local_info = htonl ((uint32_t) address->local_info);
pm = (char *) &m[1];
memcpy (pm, address->address, address->address_length);
memcpy (&pm[address->address_length], address->transport_name, namelen);
- GNUNET_CONTAINER_DLL_insert_tail (sh->pending_head, sh->pending_tail, p);
- do_transmit (sh);
+ GNUNET_MQ_send (sh->mq, ev);
remove_session (sh, s, &address->peer);
}