2 This file is part of GNUnet
3 (C) 2008, 2009, 2012 Christian Grothoff (and other contributing authors)
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13 General Public License for more details.
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22 * @file include/gnunet_testbed_service.h
23 * @brief API for writing tests and creating large-scale
24 * emulation testbeds for GNUnet.
25 * @author Christian Grothoff
28 #ifndef GNUNET_TESTBED_SERVICE_H
29 #define GNUNET_TESTBED_SERVICE_H
31 #include "gnunet_util_lib.h"
36 #if 0 /* keep Emacsens' auto-indent happy */
43 * Opaque handle to a host running experiments managed by the testbed framework.
44 * The master process must be able to SSH to this host without password (via
47 struct GNUNET_TESTBED_Host;
50 * Opaque handle to a peer controlled by the testbed framework. A peer runs
51 * at a particular host.
53 struct GNUNET_TESTBED_Peer;
56 * Opaque handle to an abstract operation to be executed by the testbed framework.
58 struct GNUNET_TESTBED_Operation;
61 * Handle to interact with a GNUnet testbed controller. Each
62 * controller has at least one master handle which is created when the
63 * controller is created; this master handle interacts with the
64 * controller process, destroying it destroys the controller (by
65 * closing stdin of the controller process). Additionally,
66 * controllers can interact with each other (in a P2P fashion); those
67 * links are established via TCP/IP on the controller's service port.
69 struct GNUNET_TESTBED_Controller;
72 * Handle to a large-scale testbed that is managed at a high level.
74 struct GNUNET_TESTBED_Testbed;
78 * Create a host to run peers and controllers on.
80 * @param hostname name of the host, use "NULL" for localhost
81 * @param username username to use for the login; may be NULL
82 * @param port port number to use for ssh; use 0 to let ssh decide
83 * @return handle to the host, NULL on error
85 struct GNUNET_TESTBED_Host *
86 GNUNET_TESTBED_host_create (const char *hostname,
93 * Create a host to run peers and controllers on. This function is used
94 * if a peer learns about a host via IPC between controllers (and thus
95 * some higher-level controller has already determined the unique IDs).
97 * @param id global host ID assigned to the host; 0 is
98 * reserved to always mean 'localhost'
99 * @param hostname name of the host, use "NULL" for localhost
100 * @param username username to use for the login; may be NULL
101 * @param port port number to use for ssh; use 0 to let ssh decide
102 * @return handle to the host, NULL on error
104 struct GNUNET_TESTBED_Host *
105 GNUNET_TESTBED_host_create_with_id (uint32_t id,
106 const char *hostname,
107 const char *username,
112 * Load a set of hosts from a configuration file.
114 * @param filename file with the host specification
115 * @param hosts set to the hosts found in the file
116 * @return number of hosts returned in 'hosts', 0 on error
119 GNUNET_TESTBED_hosts_load_from_file (const char *filename,
120 struct GNUNET_TESTBED_Host **hosts);
124 * Destroy a host handle. Must only be called once everything
125 * running on that host has been stopped.
127 * @param host handle to destroy
130 GNUNET_TESTBED_host_destroy (struct GNUNET_TESTBED_Host *host);
134 * Enumeration with (at most 64) possible event types that
135 * can be monitored using the testbed framework.
137 enum GNUNET_TESTBED_EventType
140 * A peer has been started.
142 GNUNET_TESTBED_ET_PEER_START = 0,
145 * A peer has been stopped.
147 GNUNET_TESTBED_ET_PEER_STOP = 1,
150 * A connection between two peers was established.
152 GNUNET_TESTBED_ET_CONNECT = 2,
155 * A connection between two peers was torn down.
157 GNUNET_TESTBED_ET_DISCONNECT = 3,
160 * A requested testbed operation has been completed.
162 GNUNET_TESTBED_ET_OPERATION_FINISHED = 4,
165 * The 'GNUNET_TESTBED_run' operation has been completed
167 GNUNET_TESTBED_ET_TESTBED_ONLINE = 5
173 * Types of information that can be requested about a peer.
175 enum GNUNET_TESTBED_PeerInformationType
179 * Special value (not valid for requesting information)
180 * that is used in the event struct if a 'generic' pointer
181 * is returned (for other operations not related to this
184 GNUNET_TESTBED_PIT_GENERIC = 0,
187 * What host is the peer running on? Returns a 'const struct
188 * GNUNET_TESTBED_Host *'. Valid until
189 * 'GNUNET_TESTBED_operation_done' is called.
191 GNUNET_TESTBED_PIT_HOST,
194 * What configuration is the peer using? Returns a 'const struct
195 * GNUNET_CONFIGURATION_Handle *'. Valid until
196 * 'GNUNET_TESTNIG_operation_done' is called. However, the
197 * values may be inaccurate if the peer is reconfigured in
200 GNUNET_TESTBED_PIT_CONFIGURATION,
203 * What is the identity of the peer? Returns a
204 * 'const struct GNUNET_PeerIdentity *'. Valid until
205 * 'GNUNET_TESTNIG_operation_done' is called.
207 GNUNET_TESTBED_PIT_IDENTITY
213 * Argument to GNUNET_TESTBED_ControllerCallback with details about
216 struct GNUNET_TESTBED_EventInformation
222 enum GNUNET_TESTBED_EventType type;
225 * Details about the event.
231 * Details about peer start event.
236 * Handle for the host where the peer
239 struct GNUNET_TESTBED_Host *host;
242 * Handle for the peer that was started.
244 struct GNUNET_TESTBED_Peer *peer;
249 * Details about peer stop event.
255 * Handle for the peer that was started.
257 struct GNUNET_TESTBED_Peer *peer;
262 * Details about connect event.
267 * Handle for one of the connected peers.
269 struct GNUNET_TESTBED_Peer *peer1;
272 * Handle for one of the connected peers.
274 struct GNUNET_TESTBED_Peer *peer2;
279 * Details about disconnect event.
284 * Handle for one of the disconnected peers.
286 struct GNUNET_TESTBED_Peer *peer1;
289 * Handle for one of the disconnected peers.
291 struct GNUNET_TESTBED_Peer *peer2;
296 * Details about an operation finished event.
302 * Handle for the operation that was finished.
304 struct GNUNET_TESTBED_Operation *operation;
307 * Closure that was passed in when the event was
313 * Error message for the operation, NULL on success.
318 * Peer information type; captures which of the types
319 * in the 'op_result' is actually in use.
321 enum GNUNET_TESTBED_PeerInformationType pit;
324 * Pointer to an operation-specific return value; NULL on error;
325 * can be NULL for certain operations. Valid until
326 * 'GNUNET_TESTBED_operation_done' is called.
331 * No result (NULL pointer) or generic result
332 * (whatever the GNUNET_TESTBED_ConnectAdapter returned).
337 * Identity of host running the peer.
339 struct GNUNET_TESTBED_Host *host;
342 * Identity of the peer.
344 const struct GNUNET_PeerIdentity *pid;
347 * Configuration of the peer.
349 const struct GNUNET_CONFIGURATION_Handle *cfg;
353 } operation_finished;
357 * Details about an testbed run completed event.
363 * Error message for the operation, NULL on success.
368 * Array of peers now running (valid until
369 * 'GNUNET_TESTBED_testbed_stop' is called). Note that it is
370 * not allowed to call 'GNUNET_TESTBED_peer_destroy' on peers
373 struct GNUNET_TESTBED_Peer **peers;
376 * Size of the 'peers' array.
378 unsigned int num_peers;
380 } testbed_run_finished;
388 * Signature of the event handler function called by the
389 * respective event controller.
392 * @param event information about the event
394 typedef void (*GNUNET_TESTBED_ControllerCallback)(void *cls,
395 const struct GNUNET_TESTBED_EventInformation *event);
399 * Opaque Handle for Controller process
401 struct GNUNET_TESTBED_ControllerProc;
405 * Starts a controller process at the host
407 * @param host the host where the controller has to be started; NULL for localhost
408 * @return the controller process handle
410 struct GNUNET_TESTBED_ControllerProc *
411 GNUNET_TESTBED_controller_start (struct GNUNET_TESTBED_Host *host);
415 * Stop the controller process (also will terminate all peers and controllers
416 * dependent on this controller). This function blocks until the testbed has
417 * been fully terminated (!).
419 * @param cproc the controller process handle
422 GNUNET_TESTBED_controller_stop (struct GNUNET_TESTBED_ControllerProc *cproc);
426 * Connect to a controller process using the given configuration at the
429 * @param cfg configuration to use
430 * @param host host to run the controller on; This should be the same host if
431 * the controller was previously started with
432 * GNUNET_TESTBED_controller_start; NULL for localhost
433 * @param host host where this controller is being run;
434 * @param event_mask bit mask with set of events to call 'cc' for;
435 * or-ed values of "1LL" shifted by the
436 * respective 'enum GNUNET_TESTBED_EventType'
437 * (i.e. "(1LL << GNUNET_TESTBED_ET_CONNECT) | ...")
438 * @param cc controller callback to invoke on events
439 * @param cc_cls closure for cc
440 * @return handle to the controller
442 struct GNUNET_TESTBED_Controller *
443 GNUNET_TESTBED_controller_connect (const struct GNUNET_CONFIGURATION_Handle *cfg,
444 struct GNUNET_TESTBED_Host *host,
446 GNUNET_TESTBED_ControllerCallback cc,
451 * Configure shared services at a controller. Using this function,
452 * you can specify that certain services (such as "resolver")
453 * should not be run for each peer but instead be shared
454 * across N peers on the specified host. This function
455 * must be called before any peers are created at the host.
457 * @param controller controller to configure
458 * @param service_name name of the service to share
459 * @param num_peers number of peers that should share one instance
460 * of the specified service (1 for no sharing is the default),
461 * use 0 to disable the service
464 GNUNET_TESTBED_controller_configure_sharing (struct GNUNET_TESTBED_Controller *controller,
465 const char *service_name,
470 * Stop the given controller (also will terminate all peers and
471 * controllers dependent on this controller). This function
472 * blocks until the testbed has been fully terminated (!).
474 * @param controller handle to controller to stop
477 GNUNET_TESTBED_controller_disconnect (struct GNUNET_TESTBED_Controller *controller);
481 * Opaque handle for host registration
483 struct GNUNET_TESTBED_HostRegistrationHandle;
487 * Callback which will be called to after a host registration succeeded or failed
489 * @param cls the closure
490 * @param emsg the error message; NULL if host registration is successful
492 typedef void (* GNUNET_TESTBED_HostRegistrationCompletion) (void *cls,
497 * Register a host with the controller
499 * @param controller the controller handle
500 * @param host the host to register
501 * @param cc the completion callback to call to inform the status of
502 * registration. After calling this callback the registration handle
503 * will be invalid. Cannot be NULL
504 * @param cc_cls the closure for the cc
505 * @return handle to the host registration which can be used to cancel the
506 * registration; NULL if another registration handle is present and
509 struct GNUNET_TESTBED_HostRegistrationHandle *
510 GNUNET_TESTBED_register_host (struct GNUNET_TESTBED_Controller *controller,
511 struct GNUNET_TESTBED_Host *host,
512 GNUNET_TESTBED_HostRegistrationCompletion cc,
517 * Cancel the pending registration. Note that the registration message will
518 * already be queued to be sent to the service, cancellation has only the
519 * effect that the registration completion callback for the registration is
520 * never called and from our perspective the host is not registered until the
521 * completion callback is called.
523 * @param handle the registration handle to cancel
526 GNUNET_TESTBED_cancel_registration (struct GNUNET_TESTBED_HostRegistrationHandle
531 * Create a link from a 'master' controller to a slave controller.
532 * Whenever the master controller is asked to start a peer at the
533 * given 'delegated_host', it will delegate the request to the
534 * specified slave controller. Note that the slave controller runs at
535 * the 'slave_host', which may or may not be the same host as the
536 * 'delegated_host' (for hierarchical delegations). The configuration
537 * of the slave controller is given and to be used to either create
538 * the slave controller or to connect to an existing slave controller
539 * process. 'is_subordinate' specifies if the given slave controller
540 * should be started and managed by the master controller, or if the
541 * slave already has a master and this is just a secondary master that
542 * is also allowed to use the existing slave.
544 * @param master handle to the master controller who creates the association
545 * @param delegated_host requests to which host should be delegated
546 * @param slave_host which host is used to run the slave controller
547 * @param slave_cfg configuration to use for the slave controller
548 * @param is_subordinate GNUNET_YES if the slave should be started (and stopped)
549 * by the master controller; GNUNET_NO if we are just
550 * allowed to use the slave via TCP/IP
553 GNUNET_TESTBED_controller_link (struct GNUNET_TESTBED_Controller *master,
554 struct GNUNET_TESTBED_Host *delegated_host,
555 struct GNUNET_TESTBED_Host *slave_host,
556 const struct GNUNET_CONFIGURATION_Handle *slave_cfg,
561 * Create the given peer at the specified host using the given
562 * controller. If the given controller is not running on the target
563 * host, it should find or create a controller at the target host and
564 * delegate creating the peer. Explicit delegation paths can be setup
565 * using 'GNUNET_TESTBED_controller_link'. If no explicit delegation
566 * path exists, a direct link with a subordinate controller is setup
567 * for the first delegated peer to a particular host; the subordinate
568 * controller is then destroyed once the last peer that was delegated
569 * to the remote host is stopped.
571 * Creating the peer only creates the handle to manipulate and further
572 * configure the peer; use "GNUNET_TESTBED_peer_start" and
573 * "GNUNET_TESTBED_peer_stop" to actually start/stop the peer's
576 * Note that the given configuration will be adjusted by the
577 * controller to avoid port/path conflicts with other peers.
578 * The "final" configuration can be obtained using
579 * 'GNUNET_TESTBED_peer_get_information'.
581 * @param controller controller process to use
582 * @param host host to run the peer on
583 * @param cfg configuration to use for the peer
584 * @return handle to the peer (actual startup will happen asynchronously)
586 struct GNUNET_TESTBED_Peer *
587 GNUNET_TESTBED_peer_create (struct GNUNET_TESTBED_Controller *controller,
588 struct GNUNET_TESTBED_Host *host,
589 const struct GNUNET_CONFIGURATION_Handle *cfg);
593 * Start the given peer.
595 * @param peer peer to start
596 * @return handle to the operation
598 struct GNUNET_TESTBED_Operation *
599 GNUNET_TESTBED_peer_start (struct GNUNET_TESTBED_Peer *peer);
603 * Stop the given peer. The handle remains valid (use
604 * "GNUNET_TESTBED_peer_destroy" to fully clean up the
605 * state of the peer).
607 * @param peer peer to stop
608 * @return handle to the operation
610 struct GNUNET_TESTBED_Operation *
611 GNUNET_TESTBED_peer_stop (struct GNUNET_TESTBED_Peer *peer);
615 * Request information about a peer.
617 * @param peer peer to request information about
618 * @param pit desired information
619 * @return handle to the operation
621 struct GNUNET_TESTBED_Operation *
622 GNUNET_TESTBED_peer_get_information (struct GNUNET_TESTBED_Peer *peer,
623 enum GNUNET_TESTBED_PeerInformationType pit);
627 * Change peer configuration. Must only be called while the
628 * peer is stopped. Ports and paths cannot be changed this
631 * @param peer peer to change configuration for
632 * @param cfg new configuration (differences to existing
633 * configuration only)
634 * @return handle to the operation
636 struct GNUNET_TESTBED_Operation *
637 GNUNET_TESTBED_peer_update_configuration (struct GNUNET_TESTBED_Peer *peer,
638 const struct GNUNET_CONFIGURATION_Handle *cfg);
642 * Destroy the given peer; the peer should have been
643 * stopped first (if it was started).
645 * @param peer peer to stop
646 * @return handle to the operation
648 struct GNUNET_TESTBED_Operation *
649 GNUNET_TESTBED_peer_destroy (struct GNUNET_TESTBED_Peer *peer);
653 * Options for peer connections.
655 enum GNUNET_TESTBED_ConnectOption
658 * No option (not valid as an argument).
660 GNUNET_TESTBED_CO_NONE = 0,
663 * Allow or disallow a connection between the specified peers.
664 * Followed by GNUNET_NO (int) if a connection is disallowed
665 * or GNUNET_YES if a connection is allowed. Note that the
666 * default (all connections allowed or disallowed) is
667 * specified in the configuration of the controller.
669 GNUNET_TESTBED_CO_ALLOW = 1,
672 * FIXME: add (and implement) options to limit connection to
673 * particular transports, force simulation of particular latencies
674 * or message loss rates, or set bandwidth limitations.
681 * Manipulate the P2P underlay topology by configuring a link
684 * @param op_cls closure argument to give with the operation event
685 * @param p1 first peer
686 * @param p2 second peer
687 * @param co option to change
688 * @param ap option-specific values
689 * @return handle to the operation, NULL if configuring the link at this
690 * time is not allowed
692 struct GNUNET_TESTBED_Operation *
693 GNUNET_TESTBED_underlay_configure_link_va (void *op_cls,
694 struct GNUNET_TESTBED_Peer *p1,
695 struct GNUNET_TESTBED_Peer *p2,
696 enum GNUNET_TESTBED_ConnectOption co,
701 * Manipulate the P2P underlay topology by configuring a link
704 * @param op_cls closure argument to give with the operation event
705 * @param p1 first peer
706 * @param p2 second peer
707 * @param co option to change
708 * @param ... option-specific values
709 * @return handle to the operation, NULL if configuring the link at this
710 * time is not allowed
712 struct GNUNET_TESTBED_Operation *
713 GNUNET_TESTBED_underlay_configure_link (void *op_cls,
714 struct GNUNET_TESTBED_Peer *p1,
715 struct GNUNET_TESTBED_Peer *p2,
716 enum GNUNET_TESTBED_ConnectOption co, ...);
721 * Topologies supported for testbeds.
723 enum GNUNET_TESTBED_TopologyOption
726 * A clique (everyone connected to everyone else). No options.
728 GNUNET_TESTBED_TOPOLOGY_CLIQUE,
731 * Small-world network (2d torus plus random links). Followed
732 * by the number of random links to add (unsigned int).
734 GNUNET_TESTBED_TOPOLOGY_SMALL_WORLD,
737 * Small-world network (ring plus random links). Followed
738 * by the number of random links to add (unsigned int).
740 GNUNET_TESTBED_TOPOLOGY_SMALL_WORLD_RING,
743 * Ring topology. No options.
745 GNUNET_TESTBED_TOPOLOGY_RING,
748 * 2-d torus. No options.
750 GNUNET_TESTBED_TOPOLOGY_2D_TORUS,
753 * Random graph. Followed by the link density, that is the
754 * percentage of links present in relation to a clique
757 GNUNET_TESTBED_TOPOLOGY_ERDOS_RENYI,
760 * Certain percentage of peers are unable to communicate directly
761 * replicating NAT conditions. Followed by the fraction of
762 * NAT'ed peers (float).
764 GNUNET_TESTBED_TOPOLOGY_INTERNAT,
767 * Scale free topology. FIXME: options?
769 GNUNET_TESTBED_TOPOLOGY_SCALE_FREE,
772 * Straight line topology. No options.
774 GNUNET_TESTBED_TOPOLOGY_LINE,
777 * All peers are disconnected. No options.
779 GNUNET_TESTBED_TOPOLOGY_NONE,
782 * Read a topology from a given file. Followed by the name of the file (const char *).
784 GNUNET_TESTBED_TOPOLOGY_FROM_FILE
789 * Configure overall network topology to have a particular shape.
791 * @param op_cls closure argument to give with the operation event
792 * @param num_peers number of peers in 'peers'
793 * @param peers array of 'num_peers' with the peers to configure
794 * @param topo desired underlay topology to use
795 * @param ap topology-specific options
796 * @return handle to the operation, NULL if configuring the topology
797 * is not allowed at this time
799 struct GNUNET_TESTBED_Operation *
800 GNUNET_TESTBED_underlay_configure_topology_va (void *op_cls,
801 unsigned int num_peers,
802 struct GNUNET_TESTBED_Peer **peers,
803 enum GNUNET_TESTBED_TopologyOption topo,
808 * Configure overall network topology to have a particular shape.
810 * @param op_cls closure argument to give with the operation event
811 * @param num_peers number of peers in 'peers'
812 * @param peers array of 'num_peers' with the peers to configure
813 * @param topo desired underlay topology to use
814 * @param ... topology-specific options
815 * @return handle to the operation, NULL if configuring the topology
816 * is not allowed at this time
818 struct GNUNET_TESTBED_Operation *
819 GNUNET_TESTBED_underlay_configure_topology (void *op_cls,
820 unsigned int num_peers,
821 struct GNUNET_TESTBED_Peer **peers,
822 enum GNUNET_TESTBED_TopologyOption topo,
827 * Both peers must have been started before calling this function.
828 * This function then obtains a HELLO from 'p1', gives it to 'p2'
829 * and asks 'p2' to connect to 'p1'.
831 * @param op_cls closure argument to give with the operation event
832 * @param p1 first peer
833 * @param p2 second peer
834 * @return handle to the operation, NULL if connecting these two
835 * peers is fundamentally not possible at this time (peers
836 * not running or underlay disallows)
838 struct GNUNET_TESTBED_Operation *
839 GNUNET_TESTBED_overlay_connect (void *op_cls,
840 struct GNUNET_TESTBED_Peer *p1,
841 struct GNUNET_TESTBED_Peer *p2);
845 * All peers must have been started before calling this function.
846 * This function then connects the given peers in the P2P overlay
847 * using the given topology.
849 * @param op_cls closure argument to give with the operation event
850 * @param num_peers number of peers in 'peers'
851 * @param peers array of 'num_peers' with the peers to configure
852 * @param topo desired underlay topology to use
853 * @param va topology-specific options
854 * @return handle to the operation, NULL if connecting these
855 * peers is fundamentally not possible at this time (peers
856 * not running or underlay disallows)
858 struct GNUNET_TESTBED_Operation *
859 GNUNET_TESTBED_overlay_configure_topology_va (void *op_cls,
860 unsigned int num_peers,
861 struct GNUNET_TESTBED_Peer *peers,
862 enum GNUNET_TESTBED_TopologyOption topo,
867 * All peers must have been started before calling this function.
868 * This function then connects the given peers in the P2P overlay
869 * using the given topology.
871 * @param op_cls closure argument to give with the operation event
872 * @param num_peers number of peers in 'peers'
873 * @param peers array of 'num_peers' with the peers to configure
874 * @param topo desired underlay topology to use
875 * @param ... topology-specific options
876 * @return handle to the operation, NULL if connecting these
877 * peers is fundamentally not possible at this time (peers
878 * not running or underlay disallows)
880 struct GNUNET_TESTBED_Operation *
881 GNUNET_TESTBED_overlay_configure_topology (void *op_cls,
882 unsigned int num_peers,
883 struct GNUNET_TESTBED_Peer *peers,
884 enum GNUNET_TESTBED_TopologyOption topo,
889 * Ask the testbed controller to write the current overlay topology to
890 * a file. Naturally, the file will only contain a snapshot as the
891 * topology may evolve all the time.
893 * @param controller overlay controller to inspect
894 * @param filename name of the file the topology should
898 GNUNET_TESTBED_overlay_write_topology_to_file (struct GNUNET_TESTBED_Controller *controller,
899 const char *filename);
903 * Adapter function called to establish a connection to
907 * @param cfg configuration of the peer to connect to
908 * @return service handle to return in 'op_result', NULL on error
910 typedef void * (*GNUNET_TESTBED_ConnectAdapter)(void *cls,
911 const struct GNUNET_CONFIGURATION_Handle *cfg);
915 * Adapter function called to destroy a connection to
919 * @param op_result service handle returned from the connect adapter
921 typedef void (*GNUNET_TESTBED_DisconnectAdapter)(void *cls,
926 * Connect to a service offered by the given peer. Will ensure that
927 * the request is queued to not overwhelm our ability to create and
928 * maintain connections with other systems. The actual service
929 * handle is then returned via the 'op_result' member in the event
930 * callback. The 'ca' callback is used to create the connection
931 * when the time is right; the 'da' callback will be used to
932 * destroy the connection (upon 'GNUNET_TESTBED_operation_done').
933 * 'GNUNET_TESTBED_operation_cancel' can be used to abort this
934 * operation until the event callback has been called.
936 * @param op_cls closure to pass in operation event
937 * @param peer peer that runs the service
938 * @param service_name name of the service to connect to
939 * @param ca helper function to establish the connection
940 * @param da helper function to close the connection
941 * @param cada_cls closure for ca and da
942 * @return handle for the operation
944 struct GNUNET_TESTBED_Operation *
945 GNUNET_TESTBED_service_connect (void *op_cls,
946 struct GNUNET_TESTBED_Peer *peer,
947 const char *service_name,
948 GNUNET_TESTBED_ConnectAdapter ca,
949 GNUNET_TESTBED_DisconnectAdapter da,
954 * Cancel a pending operation. Releases all resources
955 * of the operation and will ensure that no event
956 * is generated for the operation. Does NOT guarantee
957 * that the operation will be fully undone (or that
958 * nothing ever happened).
960 * @param operation operation to cancel
963 GNUNET_TESTBED_operation_cancel (struct GNUNET_TESTBED_Operation *operation);
967 * Signal that the information from an operation has been fully
968 * processed. This function MUST be called for each event
969 * of type 'operation_finished' to fully remove the operation
970 * from the operation queue. After calling this function, the
971 * 'op_result' becomes invalid (!).
973 * @param operation operation to signal completion for
976 GNUNET_TESTBED_operation_done (struct GNUNET_TESTBED_Operation *operation);
980 * Configure and run a testbed using the given
981 * master controller on 'num_hosts' starting
982 * 'num_peers' using the given peer configuration.
984 * @param controller master controller for the testbed
985 * (must not be destroyed until after the
986 * testbed is destroyed).
987 * @param num_hosts number of hosts in 'hosts', 0 to only
989 * @param hosts list of hosts to use for the testbed
990 * @param num_peers number of peers to start
991 * @param peer_cfg peer configuration template to use
992 * @param underlay_topology underlay topology to create
993 * @param va topology-specific options
994 * @return handle to the testbed
996 struct GNUNET_TESTBED_Testbed *
997 GNUNET_TESTBED_create_va (struct GNUNET_TESTBED_Controller *controller,
998 unsigned int num_hosts,
999 struct GNUNET_TESTBED_Host **hosts,
1000 unsigned int num_peers,
1001 const struct GNUNET_CONFIGURATION_Handle *peer_cfg,
1002 enum GNUNET_TESTBED_TopologyOption underlay_topology,
1007 * Configure and run a testbed using the given
1008 * master controller on 'num_hosts' starting
1009 * 'num_peers' using the given peer configuration.
1011 * @param controller master controller for the testbed
1012 * (must not be destroyed until after the
1013 * testbed is destroyed).
1014 * @param num_hosts number of hosts in 'hosts', 0 to only
1016 * @param hosts list of hosts to use for the testbed
1017 * @param num_peers number of peers to start
1018 * @param peer_cfg peer configuration template to use
1019 * @param underlay_topology underlay topology to create
1020 * @param ... topology-specific options
1022 struct GNUNET_TESTBED_Testbed *
1023 GNUNET_TESTBED_create (struct GNUNET_TESTBED_Controller *controller,
1024 unsigned int num_hosts,
1025 struct GNUNET_TESTBED_Host **hosts,
1026 unsigned int num_peers,
1027 const struct GNUNET_CONFIGURATION_Handle *peer_cfg,
1028 enum GNUNET_TESTBED_TopologyOption underlay_topology,
1033 * Destroy a testbed. Stops all running peers and then
1034 * destroys all peers. Does NOT destroy the master controller.
1036 * @param testbed testbed to destroy
1039 GNUNET_TESTBED_destroy (struct GNUNET_TESTBED_Testbed *testbed);
1043 * Convenience method for running a testbed with
1044 * a single call. Underlay and overlay topology
1045 * are configured using the "UNDERLAY" and "OVERLAY"
1046 * options in the "[testbed]" section of the configuration\
1047 * (with possible options given in "UNDERLAY_XXX" and/or
1050 * The testbed is to be terminated using a call to
1051 * "GNUNET_SCHEDULER_shutdown".
1053 * @param host_filename name of the file with the 'hosts', NULL
1054 * to run everything on 'localhost'
1055 * @param cfg configuration to use (for testbed, controller and peers)
1056 * @param num_peers number of peers to start; FIXME: maybe put that ALSO into cfg?
1057 * @param event_mask bit mask with set of events to call 'cc' for;
1058 * or-ed values of "1LL" shifted by the
1059 * respective 'enum GNUNET_TESTBED_EventType'
1060 * (i.e. "(1LL << GNUNET_TESTBED_ET_CONNECT) || ...")
1061 * @param cc controller callback to invoke on events
1062 * @param cc_cls closure for cc
1063 * @param master task to run once the testbed is ready
1064 * @param master_cls closure for 'task'.
1067 GNUNET_TESTBED_run (const char *host_filename,
1068 const struct GNUNET_CONFIGURATION_Handle *cfg,
1069 unsigned int num_peers,
1070 uint64_t event_mask,
1071 GNUNET_TESTBED_ControllerCallback cc,
1073 GNUNET_SCHEDULER_Task master,
1078 * Signature of a main function for a testcase.
1080 * @param cls closure
1081 * @param num_peers number of peers in 'peers'
1082 * @param peers handle to peers run in the testbed
1084 typedef void (*GNUNET_TESTBED_TestMaster)(void *cls,
1085 unsigned int num_peers,
1086 struct GNUNET_TESTBED_Peer **peers);
1090 * Convenience method for running a "simple" test on the local system
1091 * with a single call from 'main'. Underlay and overlay topology are
1092 * configured using the "UNDERLAY" and "OVERLAY" options in the
1093 * "[testbed]" section of the configuration (with possible options
1094 * given in "UNDERLAY_XXX" and/or "OVERLAY_XXX").
1096 * The test is to be terminated using a call to
1097 * "GNUNET_SCHEDULER_shutdown". If starting the test fails,
1098 * the program is stopped without 'master' ever being run.
1100 * NOTE: this function should be called from 'main', NOT from
1101 * within a GNUNET_SCHEDULER-loop. This function will initialze
1102 * the scheduler loop, the testbed and then pass control to
1105 * @param testname name of the testcase (to configure logging, etc.)
1106 * @param cfg_filename configuration filename to use
1107 * (for testbed, controller and peers)
1108 * @param num_peers number of peers to start
1109 * @param test_master task to run once the test is ready
1110 * @param test_master_cls closure for 'task'.
1113 GNUNET_TESTBED_test_run (const char *testname,
1114 const char *cfg_filename,
1115 unsigned int num_peers,
1116 GNUNET_TESTBED_TestMaster test_master,
1117 void *test_master_cls);
1120 #if 0 /* keep Emacsens' auto-indent happy */