#include "gnunet_statistics_service.h"
#include "gnunet-daemon-experimentation.h"
+
+/**
+ * Core handle
+ */
static struct GNUNET_CORE_Handle *ch;
+
+/**
+ * Peer's own identity
+ */
static struct GNUNET_PeerIdentity me;
+
/**
* Nodes with a pending request
*/
-
struct GNUNET_CONTAINER_MultiHashMap *nodes_requested;
+
/**
* Active experimentation nodes
*/
struct GNUNET_CONTAINER_MultiHashMap *nodes_active;
+
/**
* Inactive experimentation nodes
* To be excluded from future requests
struct GNUNET_CONTAINER_MultiHashMap *nodes_inactive;
+/**
+ * Update statistics
+ *
+ * @param m hashmap to update values from
+ */
static void update_stats (struct GNUNET_CONTAINER_MultiHashMap *m)
{
GNUNET_assert (NULL != m);
}
+
+/**
+ * Clean up nodes
+ *
+ * @param cls the hashmap to clean up
+ * @param key key of the current node
+ * @param value related node object
+ * @return always GNUNET_OK
+ */
static int
cleanup_nodes (void *cls,
const struct GNUNET_HashCode * key,
GNUNET_CORE_notify_transmit_ready_cancel (n->cth);
n->cth = NULL;
}
-
+ GNUNET_free_non_null (n->issuer_id);
GNUNET_CONTAINER_multihashmap_remove (cur, key, value);
GNUNET_free (value);
}
+/**
+ * Check if id passed is my id
+ *
+ * @param id the id to check
+ * @return GNUNET_YES or GNUNET_NO
+ */
static int is_me (const struct GNUNET_PeerIdentity *id)
{
if (0 == memcmp (&me, id, sizeof (me)))
return GNUNET_NO;
}
+/**
+ * Core startup callback
+ *
+ * @param cls unused
+ * @param server core service's server handle
+ * @param my_identity my id
+ */
static void
core_startup_handler (void *cls,
- struct GNUNET_CORE_Handle * server,
+ struct GNUNET_CORE_Handle *server,
const struct GNUNET_PeerIdentity *my_identity)
{
me = *my_identity;
}
+
+/**
+ * Remove experimentation request due to timeout
+ *
+ * @param cls the related node
+ * @param tc scheduler's task context
+ */
static void
remove_request (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
{
}
}
+
+/**
+ * Core's transmit notify callback to send request
+ *
+ * @param cls the related node
+ * @param bufsize buffer size
+ * @param buf the buffer to copy to
+ * @return bytes passed
+ */
size_t send_request_cb (void *cls, size_t bufsize, void *buf)
{
struct Node *n = cls;
struct Experimentation_Request msg;
- size_t size = sizeof (msg);
+ size_t msg_size = sizeof (msg);
+ size_t ri_size = sizeof (struct Experimentation_Issuer) * GSE_my_issuer_count;
+ size_t total_size = msg_size + ri_size;
+ memset (buf, '0', bufsize);
n->cth = NULL;
if (buf == NULL)
{
GNUNET_SCHEDULER_add_now (&remove_request, n);
return 0;
}
- GNUNET_assert (bufsize >= size);
+ GNUNET_assert (bufsize >= total_size);
- msg.msg.size = htons (size);
+ msg.msg.size = htons (total_size);
msg.msg.type = htons (GNUNET_MESSAGE_TYPE_EXPERIMENTATION_REQUEST);
msg.capabilities = htonl (GSE_node_capabilities);
- memcpy (buf, &msg, size);
+ msg.issuer_count = htonl (GSE_my_issuer_count);
+ memcpy (buf, &msg, msg_size);
+ memcpy (&((char *) buf)[msg_size], GSE_my_issuer, ri_size);
GNUNET_log (GNUNET_ERROR_TYPE_INFO, _("Sending request to peer %s\n"),
GNUNET_i2s (&n->id));
- return size;
+ return total_size;
}
+
+/**
+ * Send request
+ *
+ * @param peer the peer to send to
+ */
static void send_request (const struct GNUNET_PeerIdentity *peer)
{
struct Node *n;
size_t size;
+ size_t c_issuers;
+
+ c_issuers = GSE_my_issuer_count;
- size = sizeof (struct Experimentation_Request);
+ size = sizeof (struct Experimentation_Request) +
+ c_issuers * sizeof (struct Experimentation_Issuer);
n = GNUNET_malloc (sizeof (struct Node));
n->id = *peer;
n->timeout_task = GNUNET_SCHEDULER_add_delayed (EXP_RESPONSE_TIMEOUT, &remove_request, n);
+ n->capabilities = NONE;
n->cth = GNUNET_CORE_notify_transmit_ready(ch, GNUNET_NO, 0,
GNUNET_TIME_relative_get_forever_(),
peer, size, send_request_cb, n);
- n->capabilities = NONE;
GNUNET_assert (GNUNET_OK == GNUNET_CONTAINER_multihashmap_put (nodes_requested,
&peer->hashPubKey, n, GNUNET_CONTAINER_MULTIHASHMAPOPTION_UNIQUE_FAST));
-
update_stats (nodes_requested);
}
+
+/**
+ * Core's transmit notify callback to send response
+ *
+ * @param cls the related node
+ * @param bufsize buffer size
+ * @param buf the buffer to copy to
+ * @return bytes passed
+ */
size_t send_response_cb (void *cls, size_t bufsize, void *buf)
{
struct Node *n = cls;
struct Experimentation_Response msg;
- size_t size = sizeof (msg);
+ size_t ri_size = GSE_my_issuer_count * sizeof (struct Experimentation_Issuer);
+ size_t msg_size = sizeof (msg);
+ size_t total_size = msg_size + ri_size;
n->cth = NULL;
if (buf == NULL)
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Client disconnected\n");
return 0;
}
- GNUNET_assert (bufsize >= size);
+ GNUNET_assert (bufsize >= total_size);
- msg.msg.size = htons (size);
+ msg.msg.size = htons (total_size);
msg.msg.type = htons (GNUNET_MESSAGE_TYPE_EXPERIMENTATION_RESPONSE);
msg.capabilities = htonl (GSE_node_capabilities);
- memcpy (buf, &msg, size);
+ msg.issuer_count = htonl (GSE_my_issuer_count);
+ memcpy (buf, &msg, msg_size);
+ memcpy (&((char *) buf)[msg_size], GSE_my_issuer, ri_size);
GNUNET_log (GNUNET_ERROR_TYPE_INFO, _("Sending response to peer %s\n"),
GNUNET_i2s (&n->id));
- return size;
+ return total_size;
+}
+
+
+static void
+get_experiments_cb (struct Node *n, struct Experiment *e)
+{
+ static int counter = 0;
+ if (NULL == e)
+ {
+ GNUNET_log (GNUNET_ERROR_TYPE_INFO, _("Added %u experiments for peer %s\n"),
+ counter, GNUNET_i2s (&n->id));
+ return;
+ }
+
+ GNUNET_log (GNUNET_ERROR_TYPE_INFO, _("Starting experiment `%s' with peer %s\n"),
+ e->name,
+ GNUNET_i2s (&n->id));
+
+ /* Request experiment */
+ GNUNET_EXPERIMENTATION_scheduler_add (n, e);
+
+ counter ++;
}
+/**
+ * Set a specific node as active
+ *
+ * @param n the node
+ */
static void node_make_active (struct Node *n)
{
+ int c1;
GNUNET_CONTAINER_multihashmap_put (nodes_active,
&n->id.hashPubKey, n, GNUNET_CONTAINER_MULTIHASHMAPOPTION_UNIQUE_FAST);
update_stats (nodes_active);
GNUNET_log (GNUNET_ERROR_TYPE_INFO, _("Added peer `%s' as active node\n"),
GNUNET_i2s (&n->id));
+
+ /* Request experiments for this node to start them */
+ for (c1 = 0; c1 < n->issuer_count; c1++)
+ {
+
+ GNUNET_EXPERIMENTATION_experiments_get (n, &n->issuer_id[c1], &get_experiments_cb);
+ }
}
+/**
+ * Handle a request and send a response
+ *
+ * @param peer the source
+ * @param message the message
+ */
static void handle_request (const struct GNUNET_PeerIdentity *peer,
const struct GNUNET_MessageHeader *message)
{
struct Node *n;
struct Experimentation_Request *rm = (struct Experimentation_Request *) message;
+ struct Experimentation_Issuer *rmi = (struct Experimentation_Issuer *) &rm[1];
+ int c1;
+ int c2;
+ uint32_t ic;
+ uint32_t ic_accepted;
+ int make_active;
+
+ if (ntohs (message->size) < sizeof (struct Experimentation_Request))
+ {
+ GNUNET_break (0);
+ return;
+ }
+ ic = ntohl (rm->issuer_count);
+ if (ntohs (message->size) != sizeof (struct Experimentation_Request) + ic * sizeof (struct Experimentation_Issuer))
+ {
+ GNUNET_break (0);
+ return;
+ }
+ make_active = GNUNET_NO;
if (NULL != (n = GNUNET_CONTAINER_multihashmap_get (nodes_active, &peer->hashPubKey)))
{
- GNUNET_log (GNUNET_ERROR_TYPE_INFO, _("Received %s from %s peer `%s'\n"),
- "REQUEST", "active", GNUNET_i2s (peer));
- n->capabilities = ntohl (rm->capabilities);
+ /* Nothing to do */
}
else if (NULL != (n = GNUNET_CONTAINER_multihashmap_get (nodes_requested, &peer->hashPubKey)))
{
- GNUNET_log (GNUNET_ERROR_TYPE_INFO, _("Received %s from %s peer `%s'\n"),
- "REQUEST", "requested", GNUNET_i2s (peer));
- n->capabilities = ntohl (rm->capabilities);
GNUNET_CONTAINER_multihashmap_remove (nodes_requested, &peer->hashPubKey, n);
if (GNUNET_SCHEDULER_NO_TASK != n->timeout_task)
{
n->cth = NULL;
}
update_stats (nodes_requested);
- node_make_active (n);
+ make_active = GNUNET_YES;
}
else if (NULL != (n = GNUNET_CONTAINER_multihashmap_get (nodes_inactive, &peer->hashPubKey)))
{
- GNUNET_log (GNUNET_ERROR_TYPE_INFO, _("Received %s from %s peer `%s'\n"),
- "REQUEST", "inactive", GNUNET_i2s (peer));
- n->capabilities = ntohl (rm->capabilities);
GNUNET_CONTAINER_multihashmap_remove (nodes_inactive, &peer->hashPubKey, n);
update_stats (nodes_inactive);
- node_make_active (n);
+ make_active = GNUNET_YES;
}
else
{
n = GNUNET_malloc (sizeof (struct Node));
n->id = *peer;
n->capabilities = NONE;
- n->capabilities = ntohl (rm->capabilities);
- GNUNET_log (GNUNET_ERROR_TYPE_INFO, _("Received %s from %s peer `%s'\n"),
- "REQUEST", "new", GNUNET_i2s (peer));
- node_make_active (n);
+ make_active = GNUNET_YES;
+ }
+
+ /* Update node */
+ n->capabilities = ntohl (rm->capabilities);
+
+ /* Filter accepted issuer */
+ ic_accepted = 0;
+ for (c1 = 0; c1 < ic; c1++)
+ {
+ if (GNUNET_YES == GNUNET_EXPERIMENTATION_experiments_issuer_accepted(&rmi[c1].issuer_id))
+ ic_accepted ++;
}
+ GNUNET_log (GNUNET_ERROR_TYPE_INFO, _("Request from peer `%s' with %u issuers, we accepted %u issuer \n"),
+ GNUNET_i2s (peer), ic, ic_accepted);
+ GNUNET_free_non_null (n->issuer_id);
+ n->issuer_id = GNUNET_malloc (ic_accepted * sizeof (struct GNUNET_PeerIdentity));
+ c2 = 0;
+ for (c1 = 0; c1 < ic; c1++)
+ {
+ if (GNUNET_YES == GNUNET_EXPERIMENTATION_experiments_issuer_accepted(&rmi[c1].issuer_id))
+ {
+ n->issuer_id[c2] = rmi[c1].issuer_id;
+ c2 ++;
+ }
+ }
+ n->issuer_count = ic_accepted;
+
+ if (GNUNET_YES == make_active)
+ node_make_active (n);
+
+ /* Send response */
n->cth = GNUNET_CORE_notify_transmit_ready (ch, GNUNET_NO, 0,
GNUNET_TIME_relative_get_forever_(),
- peer, sizeof (struct Experimentation_Response),
+ peer,
+ sizeof (struct Experimentation_Response) +
+ GSE_my_issuer_count * sizeof (struct Experimentation_Issuer),
send_response_cb, n);
}
+
+/**
+ * Handle a response
+ *
+ * @param peer the source
+ * @param message the message
+ */
static void handle_response (const struct GNUNET_PeerIdentity *peer,
const struct GNUNET_MessageHeader *message)
{
struct Node *n;
- struct Experimentation_Request *rm = (struct Experimentation_Request *) message;
+ struct Experimentation_Response *rm = (struct Experimentation_Response *) message;
+ struct Experimentation_Issuer *rmi = (struct Experimentation_Issuer *) &rm[1];
+ uint32_t ic;
+ uint32_t ic_accepted;
+ int make_active;
+ unsigned int c1;
+ unsigned int c2;
+
+ if (ntohs (message->size) < sizeof (struct Experimentation_Response))
+ {
+ GNUNET_break (0);
+ return;
+ }
+ ic = ntohl (rm->issuer_count);
+ if (ntohs (message->size) != sizeof (struct Experimentation_Response) + ic * sizeof (struct Experimentation_Issuer))
+ {
+ GNUNET_break (0);
+ return;
+ }
+
+ make_active = GNUNET_NO;
if (NULL != (n = GNUNET_CONTAINER_multihashmap_get (nodes_active, &peer->hashPubKey)))
{
GNUNET_log (GNUNET_ERROR_TYPE_INFO, _("Received %s from %s peer `%s'\n"),
"RESPONSE", "active", GNUNET_i2s (peer));
- n->capabilities = ntohl (rm->capabilities);
}
else if (NULL != (n = GNUNET_CONTAINER_multihashmap_get (nodes_requested, &peer->hashPubKey)))
{
GNUNET_log (GNUNET_ERROR_TYPE_INFO, _("Received %s from %s peer `%s'\n"),
"RESPONSE", "requested", GNUNET_i2s (peer));
- n->capabilities = ntohl (rm->capabilities);
GNUNET_CONTAINER_multihashmap_remove (nodes_requested, &peer->hashPubKey, n);
if (GNUNET_SCHEDULER_NO_TASK != n->timeout_task)
{
n->cth = NULL;
}
update_stats (nodes_requested);
- node_make_active (n);
+ make_active = GNUNET_YES;
}
else if (NULL != (n = GNUNET_CONTAINER_multihashmap_get (nodes_inactive, &peer->hashPubKey)))
{
GNUNET_log (GNUNET_ERROR_TYPE_INFO, _("Received %s from peer `%s'\n"),
"RESPONSE", "inactive", GNUNET_i2s (peer));
- n->capabilities = ntohl (rm->capabilities);
GNUNET_CONTAINER_multihashmap_remove (nodes_inactive, &peer->hashPubKey, n);
update_stats (nodes_inactive);
- node_make_active (n);
+ make_active = GNUNET_YES;
}
else
{
"RESPONSE", "unknown", GNUNET_i2s (peer));
return;
}
+
+ /* Update */
+ n->capabilities = ntohl (rm->capabilities);
+
+ /* Filter accepted issuer */
+ ic_accepted = 0;
+ for (c1 = 0; c1 < ic; c1++)
+ {
+ if (GNUNET_YES == GNUNET_EXPERIMENTATION_experiments_issuer_accepted(&rmi[c1].issuer_id))
+ ic_accepted ++;
+ }
+ GNUNET_log (GNUNET_ERROR_TYPE_INFO, _("Response from peer `%s' with %u issuers, we accepted %u issuer \n"),
+ GNUNET_i2s (peer), ic, ic_accepted);
+ GNUNET_free_non_null (n->issuer_id);
+ n->issuer_id = GNUNET_malloc (ic_accepted * sizeof (struct GNUNET_PeerIdentity));
+ c2 = 0;
+ for (c1 = 0; c1 < ic; c1++)
+ {
+ if (GNUNET_YES == GNUNET_EXPERIMENTATION_experiments_issuer_accepted(&rmi[c1].issuer_id))
+ {
+ n->issuer_id[c2] = rmi[c1].issuer_id;
+ c2 ++;
+ }
+ }
+ n->issuer_count = ic_accepted;
+
+ if (GNUNET_YES == make_active)
+ node_make_active (n);
}
/**
}
+/**
+ * Handle a request and send a response
+ *
+ * @param cls unused
+ * @param other the sender
+ * @param message the message
+ * @return GNUNET_OK to keep connection, GNUNET_SYSERR on error
+ */
static int
core_receive_handler (void *cls,
const struct GNUNET_PeerIdentity *other,
}
+void
+GNUNET_EXPERIMENT_nodes_request_start (struct Node *n, struct Experiment *e)
+{
+ GNUNET_log (GNUNET_ERROR_TYPE_INFO, _("Sending start request to peer `%s' for experiment `%s'\n"),
+ GNUNET_i2s(&n->id), e->name);
+}
+
/**
* Start the nodes management
- *
- * @param cfg configuration handle
*/
void
GNUNET_EXPERIMENTATION_nodes_start ()
nodes_inactive = GNUNET_CONTAINER_multihashmap_create (10, GNUNET_NO);
}
+
/**
* Stop the nodes management
*/
projects / oweals / gnunet.git / blobdiff