/**
* Function to call to start a peer_create type operation once all
* queues the operation is part of declare that the
* operation can be activated.
*
* @param cls the closure from GNUNET_TESTBED_operation_create_()
*/
static void
opstart_peer_create (void *cls)
{
struct OperationContext *opc = cls;
struct PeerCreateData *data;
struct GNUNET_TESTBED_PeerCreateMessage *msg;
char *config;
char *xconfig;
size_t c_size;
size_t xc_size;
uint16_t msize;
GNUNET_assert (OP_PEER_CREATE == opc->type);
data = opc->data;
GNUNET_assert (NULL != data);
GNUNET_assert (NULL != data->peer);
opc->state = OPC_STATE_STARTED;
config = GNUNET_CONFIGURATION_serialize (data->cfg, &c_size);
xc_size = GNUNET_TESTBED_compress_config_ (config, c_size, &xconfig);
GNUNET_free (config);
msize = xc_size + sizeof (struct GNUNET_TESTBED_PeerCreateMessage);
msg = GNUNET_realloc (xconfig, msize);
memmove (&msg[1], msg, xc_size);
msg->header.size = htons (msize);
msg->header.type = htons (GNUNET_MESSAGE_TYPE_TESTBED_CREATEPEER);
msg->operation_id = GNUNET_htonll (opc->id);
msg->host_id = htonl (GNUNET_TESTBED_host_get_id_ (data->peer->host));
msg->peer_id = htonl (data->peer->unique_id);
msg->config_size = htonl (c_size);
GNUNET_CONTAINER_DLL_insert_tail (opc->c->ocq_head, opc->c->ocq_tail, opc);
GNUNET_TESTBED_queue_message_ (opc->c, &msg->header);
}
/**
* Handler for GNUNET_MESSAGE_TYPE_TESTBED_GETSLAVECONFIG messages
*
* @param cls NULL
* @param client identification of the client
* @param message the actual message
*/
static void
handle_slave_get_config (void *cls, struct GNUNET_SERVER_Client *client,
const struct GNUNET_MessageHeader *message)
{
struct GNUNET_TESTBED_SlaveGetConfigurationMessage *msg;
struct Slave *slave;
struct GNUNET_TESTBED_SlaveConfiguration *reply;
const struct GNUNET_CONFIGURATION_Handle *cfg;
char *config;
char *xconfig;
size_t config_size;
size_t xconfig_size;
size_t reply_size;
uint64_t op_id;
uint32_t slave_id;
msg = (struct GNUNET_TESTBED_SlaveGetConfigurationMessage *) message;
slave_id = ntohl (msg->slave_id);
op_id = GNUNET_ntohll (msg->operation_id);
if ((GST_slave_list_size <= slave_id) || (NULL == GST_slave_list[slave_id]))
{
/* FIXME: Add forwardings for this type of message here.. */
GST_send_operation_fail_msg (client, op_id, "Slave not found");
GNUNET_SERVER_receive_done (client, GNUNET_OK);
return;
}
slave = GST_slave_list[slave_id];
GNUNET_assert (NULL != (cfg = GNUNET_TESTBED_host_get_cfg_ (GST_host_list[slave->host_id])));
config = GNUNET_CONFIGURATION_serialize (cfg, &config_size);
xconfig_size =
GNUNET_TESTBED_compress_config_ (config, config_size, &xconfig);
GNUNET_free (config);
reply_size = xconfig_size + sizeof (struct GNUNET_TESTBED_SlaveConfiguration);
GNUNET_break (reply_size <= UINT16_MAX);
GNUNET_break (config_size <= UINT16_MAX);
reply = GNUNET_realloc (xconfig, reply_size);
(void) memmove (&reply[1], reply, xconfig_size);
reply->header.type = htons (GNUNET_MESSAGE_TYPE_TESTBED_SLAVE_CONFIGURATION);
reply->header.size = htons ((uint16_t) reply_size);
reply->slave_id = msg->slave_id;
reply->operation_id = msg->operation_id;
reply->config_size = htons ((uint16_t) config_size);
GST_queue_message (client, &reply->header);
GNUNET_SERVER_receive_done (client, GNUNET_OK);
}
/**
* Register a host with the controller
*
* @param controller the controller handle
* @param host the host to register
* @param cc the completion callback to call to inform the status of
* registration. After calling this callback the registration handle
* will be invalid. Cannot be NULL.
* @param cc_cls the closure for the cc
* @return handle to the host registration which can be used to cancel the
* registration
*/
struct GNUNET_TESTBED_HostRegistrationHandle *
GNUNET_TESTBED_register_host (struct GNUNET_TESTBED_Controller *controller,
struct GNUNET_TESTBED_Host *host,
GNUNET_TESTBED_HostRegistrationCompletion cc,
void *cc_cls)
{
struct GNUNET_TESTBED_HostRegistrationHandle *rh;
struct GNUNET_TESTBED_AddHostMessage *msg;
const char *username;
const char *hostname;
char *config;
char *cconfig;
void *ptr;
size_t cc_size;
size_t config_size;
uint16_t msg_size;
uint16_t username_length;
uint16_t hostname_length;
if (NULL != controller->rh)
return NULL;
hostname = GNUNET_TESTBED_host_get_hostname (host);
if (GNUNET_YES == GNUNET_TESTBED_is_host_registered_ (host, controller))
{
LOG (GNUNET_ERROR_TYPE_WARNING, "Host hostname: %s already registered\n",
(NULL == hostname) ? "localhost" : hostname);
return NULL;
}
rh = GNUNET_new (struct GNUNET_TESTBED_HostRegistrationHandle);
rh->host = host;
rh->c = controller;
GNUNET_assert (NULL != cc);
rh->cc = cc;
rh->cc_cls = cc_cls;
controller->rh = rh;
username = GNUNET_TESTBED_host_get_username_ (host);
username_length = 0;
if (NULL != username)
username_length = strlen (username);
GNUNET_assert (NULL != hostname); /* Hostname must be present */
hostname_length = strlen (hostname);
GNUNET_assert (NULL != host->cfg);
config = GNUNET_CONFIGURATION_serialize (host->cfg, &config_size);
cc_size = GNUNET_TESTBED_compress_config_ (config, config_size, &cconfig);
GNUNET_free (config);
msg_size = (sizeof (struct GNUNET_TESTBED_AddHostMessage));
msg_size += username_length;
msg_size += hostname_length;
msg_size += cc_size;
msg = GNUNET_malloc (msg_size);
msg->header.size = htons (msg_size);
msg->header.type = htons (GNUNET_MESSAGE_TYPE_TESTBED_ADD_HOST);
msg->host_id = htonl (GNUNET_TESTBED_host_get_id_ (host));
msg->ssh_port = htons (GNUNET_TESTBED_host_get_ssh_port_ (host));
ptr = &msg[1];
if (NULL != username)
{
msg->username_length = htons (username_length);
GNUNET_memcpy (ptr, username, username_length);
ptr += username_length;
}
msg->hostname_length = htons (hostname_length);
GNUNET_memcpy (ptr, hostname, hostname_length);
ptr += hostname_length;
msg->config_size = htons (config_size);
GNUNET_memcpy (ptr, cconfig, cc_size);
ptr += cc_size;
GNUNET_assert ((ptr - (void *) msg) == msg_size);
GNUNET_free (cconfig);
GNUNET_TESTBED_queue_message_ (controller,
(struct GNUNET_MessageHeader *) msg);
return rh;
}
