2 This file is part of GNUnet
3 (C) 2008--2013 Christian Grothoff (and other contributing authors)
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13 General Public License for more details.
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22 * @file testbed/testbed_api.h
23 * @brief Interface for functions internally exported from testbed_api.c
24 * @author Sree Harsha Totakura
30 #include "gnunet_testbed_service.h"
32 #include "testbed_helper.h"
35 * Testbed Helper binary name
37 #define HELPER_TESTBED_BINARY "gnunet-helper-testbed"
41 * Enumeration of operations
46 * Peer create operation
51 * Peer start operation
61 * Peer destroy operation
66 * Get peer information operation
71 * Overlay connection operation
81 * Link controllers operation
86 * Get slave config operation
91 * Stop and destroy all peers
96 * Start/stop service at a peer
103 * The message queue for sending messages to the controller service
109 * Enumeration of states of OperationContext
111 enum OperationContextState
114 * The initial state where the associated operation has just been created
115 * and is waiting in the operation queues to be started
120 * The operation has been started. It may occupy some resources which are to
121 * be freed if cancelled.
126 * The operation has finished. The end results of this operation may occupy
127 * some resources which are to be freed by operation_done
134 * Context information for GNUNET_TESTBED_Operation
136 struct OperationContext
139 * The controller to which this operation context belongs to
141 struct GNUNET_TESTBED_Controller *c;
146 struct GNUNET_TESTBED_Operation *op;
149 * The operation closure
154 * Data relevant to the operation
159 * The id of the opearation
164 * The type of operation
166 enum OperationType type;
169 * The state of the operation
171 enum OperationContextState state;
176 * Handle to interact with a GNUnet testbed controller. Each
177 * controller has at least one master handle which is created when the
178 * controller is created; this master handle interacts with the
179 * controller process, destroying it destroys the controller (by
180 * closing stdin of the controller process). Additionally,
181 * controllers can interact with each other (in a P2P fashion); those
182 * links are established via TCP/IP on the controller's service port.
184 struct GNUNET_TESTBED_Controller
187 * The host where the controller is running
189 struct GNUNET_TESTBED_Host *host;
192 * The controller callback
194 GNUNET_TESTBED_ControllerCallback cc;
197 * The closure for controller callback
202 * The configuration to use while connecting to controller
204 struct GNUNET_CONFIGURATION_Handle *cfg;
207 * The client connection handle to the controller service
209 struct GNUNET_CLIENT_Connection *client;
212 * The head of the message queue
214 struct MessageQueue *mq_head;
217 * The tail of the message queue
219 struct MessageQueue *mq_tail;
222 * The client transmit handle
224 struct GNUNET_CLIENT_TransmitHandle *th;
227 * The host registration handle; NULL if no current registration requests are
230 struct GNUNET_TESTBED_HostRegistrationHandle *rh;
233 * The map of active operation contexts
235 struct GNUNET_CONTAINER_MultiHashMap32 *opc_map;
238 * Operation queue for simultaneous operations
240 struct OperationQueue *opq_parallel_operations;
243 * Operation queue for simultaneous service connections
245 struct OperationQueue *opq_parallel_service_connections;
248 * Operation queue for simultaneous topology configuration operations
250 struct OperationQueue *opq_parallel_topology_config_operations;
253 * The controller event mask
258 * Did we start the receive loop yet?
263 * The operation id counter. use current value and increment
265 uint32_t operation_counter;
271 * Queues a message in send queue for sending to the service
273 * @param controller the handle to the controller
274 * @param msg the message to queue
277 GNUNET_TESTBED_queue_message_ (struct GNUNET_TESTBED_Controller *controller,
278 struct GNUNET_MessageHeader *msg);
282 * Inserts the given operation context into the operation context map of the
283 * given controller. Creates the operation context map if one does not exist
286 * @param c the controller
287 * @param opc the operation context to be inserted
290 GNUNET_TESTBED_insert_opc_ (struct GNUNET_TESTBED_Controller *c,
291 struct OperationContext *opc);
295 * Removes the given operation context from the operation context map of the
298 * @param c the controller
299 * @param opc the operation context to remove
302 GNUNET_TESTBED_remove_opc_ (const struct GNUNET_TESTBED_Controller *c,
303 struct OperationContext *opc);
307 * Compresses given configuration using zlib compress
309 * @param config the serialized configuration
310 * @param size the size of config
311 * @param xconfig will be set to the compressed configuration (memory is fresly
313 * @return the size of the xconfig
316 GNUNET_TESTBED_compress_config_ (const char *config, size_t size,
321 * Function to serialize and compress using zlib a configuration through a
322 * configuration handle
324 * @param cfg the configuration
325 * @param size the size of configuration when serialize. Will be set on success.
326 * @param xsize the sizeo of the compressed configuration. Will be set on success.
327 * @return the serialized and compressed configuration
330 GNUNET_TESTBED_compress_cfg_ (const struct GNUNET_CONFIGURATION_Handle *cfg,
331 size_t *size, size_t *xsize);
335 * Creates a helper initialization message. This function is here because we
336 * want to use this in testing
338 * @param trusted_ip the ip address of the controller which will be set as TRUSTED
339 * HOST(all connections form this ip are permitted by the testbed) when
340 * starting testbed controller at host. This can either be a single ip
341 * address or a network address in CIDR notation.
342 * @param hostname the hostname of the destination this message is intended for
343 * @param cfg the configuration that has to used to start the testbed service
345 * @return the initialization message
347 struct GNUNET_TESTBED_HelperInit *
348 GNUNET_TESTBED_create_helper_init_msg_ (const char *cname, const char *hostname,
349 const struct GNUNET_CONFIGURATION_Handle
354 * Sends the given message as an operation. The given callback is called when a
355 * reply for the operation is available. Call
356 * GNUNET_TESTBED_forward_operation_msg_cancel_() to cleanup the returned
357 * operation context if the cc hasn't been called
359 * @param controller the controller to which the message has to be sent
360 * @param operation_id the operation id of the message
361 * @param msg the message to send
362 * @param cc the callback to call when reply is available
363 * @param cc_cls the closure for the above callback
364 * @return the operation context which can be used to cancel the forwarded
367 struct OperationContext *
368 GNUNET_TESTBED_forward_operation_msg_ (struct GNUNET_TESTBED_Controller
369 *controller, uint64_t operation_id,
370 const struct GNUNET_MessageHeader *msg,
371 GNUNET_CLIENT_MessageHandler cc,
375 * Function to cancel an operation created by simply forwarding an operation
378 * @param opc the operation context from GNUNET_TESTBED_forward_operation_msg_()
381 GNUNET_TESTBED_forward_operation_msg_cancel_ (struct OperationContext *opc);
385 * Generates configuration by uncompressing configuration in given message. The
386 * given message should be of the following types:
387 * GNUNET_MESSAGE_TYPE_TESTBED_PEERCONFIG,
388 * GNUNET_MESSAGE_TYPE_TESTBED_SLAVECONFIG
390 * @param msg the message containing compressed configuration
391 * @return handle to the parsed configuration
393 struct GNUNET_CONFIGURATION_Handle *
394 GNUNET_TESTBED_extract_config_ (const struct GNUNET_MessageHeader *msg);
398 * Checks the integrity of the OpeationFailureEventMessage and if good returns
399 * the error message it contains.
401 * @param msg the OperationFailureEventMessage
402 * @return the error message
405 GNUNET_TESTBED_parse_error_string_ (const struct
406 GNUNET_TESTBED_OperationFailureEventMessage
411 * Function to return the operation id for a controller. The operation id is
412 * created from the controllers host id and its internal operation counter.
414 * @param controller the handle to the controller whose operation id has to be incremented
415 * @return the incremented operation id.
418 GNUNET_TESTBED_get_next_op_id (struct GNUNET_TESTBED_Controller *controller);
422 * Like GNUNET_TESTBED_get_slave_config(), however without the host registration
423 * check. Another difference is that this function takes the id of the slave
426 * @param op_cls the closure for the operation
427 * @param master the handle to master controller
428 * @param slave_host_id id of the host where the slave controller is running to
429 * the slave_host should remain valid until this operation is cancelled
430 * or marked as finished
431 * @return the operation handle;
433 struct GNUNET_TESTBED_Operation *
434 GNUNET_TESTBED_get_slave_config_ (void *op_cls,
435 struct GNUNET_TESTBED_Controller *master,
436 uint32_t slave_host_id);
440 * Same as the GNUNET_TESTBED_controller_link_2, but with ids for delegated host
443 * @param op_cls the operation closure for the event which is generated to
444 * signal success or failure of this operation
445 * @param master handle to the master controller who creates the association
446 * @param delegated_host_id id of the host to which requests should be delegated
447 * @param slave_host_id id of the host which is used to run the slave controller
448 * @param sxcfg serialized and compressed configuration
449 * @param sxcfg_size the size sxcfg
450 * @param scfg_size the size of uncompressed serialized configuration
451 * @param is_subordinate GNUNET_YES if the controller at delegated_host should
452 * be started by the slave controller; GNUNET_NO if the slave
453 * controller has to connect to the already started delegated
454 * controller via TCP/IP
455 * @return the operation handle
457 struct GNUNET_TESTBED_Operation *
458 GNUNET_TESTBED_controller_link_2_ (void *op_cls,
459 struct GNUNET_TESTBED_Controller *master,
460 uint32_t delegated_host_id,
461 uint32_t slave_host_id, const char *sxcfg,
462 size_t sxcfg_size, size_t scfg_size,
467 * Same as the GNUNET_TESTBED_controller_link, but with ids for delegated host
470 * @param op_cls the operation closure for the event which is generated to
471 * signal success or failure of this operation
472 * @param master handle to the master controller who creates the association
473 * @param delegated_host_id id of the host to which requests should be
474 * delegated; cannot be NULL
475 * @param slave_host_id id of the host which should connect to controller
476 * running on delegated host ; use NULL to make the master controller
477 * connect to the delegated host
478 * @param slave_cfg configuration to use for the slave controller
479 * @param is_subordinate GNUNET_YES if the controller at delegated_host should
480 * be started by the slave controller; GNUNET_NO if the slave
481 * controller has to connect to the already started delegated
482 * controller via TCP/IP
483 * @return the operation handle
485 struct GNUNET_TESTBED_Operation *
486 GNUNET_TESTBED_controller_link_ (void *op_cls,
487 struct GNUNET_TESTBED_Controller *master,
488 uint32_t delegated_host_id,
489 uint32_t slave_host_id,
490 const struct GNUNET_CONFIGURATION_Handle
491 *slave_cfg, int is_subordinate);
497 /* end of testbed_api.h */