#ifndef TESTBED_API_H
#define TESTBED_API_H
+#include "gnunet_testbed_service.h"
+#include "testbed.h"
/**
* Enumeration of operations
*/
enum OperationType
- {
+{
+ /**
+ * Peer create operation
+ */
+ OP_PEER_CREATE,
+
+ /**
+ * Peer start operation
+ */
+ OP_PEER_START,
+
+ /**
+ * Peer stop operation
+ */
+ OP_PEER_STOP,
+
/**
* Peer destroy operation
*/
- OP_PEER_DESTROY
- };
+ OP_PEER_DESTROY,
+
+ /**
+ * Get peer information operation
+ */
+ OP_PEER_INFO,
+
+ /**
+ * Overlay connection operation
+ */
+ OP_OVERLAY_CONNECT,
+
+ /**
+ * Forwarded operation
+ */
+ OP_FORWARDED,
+
+ /**
+ * Link controllers operation
+ */
+ OP_LINK_CONTROLLERS,
+
+ /**
+ * Get slave config operation
+ */
+ OP_GET_SLAVE_CONFIG
+
+};
/**
- * The counter for generating unique operation ids. Use its current value and
- * increment it (defined in testbed_api.c)
+ * The message queue for sending messages to the controller service
*/
-extern uint64_t GNUNET_TESTBED_operation_id;
+struct MessageQueue;
/**
- * Testbed operation structure
+ * Structure for a controller link
*/
-struct GNUNET_TESTBED_Operation
+struct ControllerLink;
+
+
+/**
+ * Enumeration of states of OperationContext
+ */
+enum OperationContextState
{
+ /**
+ * The initial state where the associated operation has just been created
+ * and is waiting in the operation queues to be started
+ */
+ OPC_STATE_INIT = 0,
+
+ /**
+ * The operation has been started. It may occupy some resources which are to
+ * be freed if cancelled.
+ */
+ OPC_STATE_STARTED,
+
+ /**
+ * The operation has finished. The end results of this operation may occupy
+ * some resources which are to be freed by operation_done
+ */
+ OPC_STATE_FINISHED
+};
+
+
+/**
+ * Context information for GNUNET_TESTBED_Operation
+ */
+struct OperationContext
+{
+ /**
+ * next ptr for DLL
+ */
+ struct OperationContext *next;
+
+ /**
+ * prev ptr for DLL
+ */
+ struct OperationContext *prev;
+
+ /**
+ * The controller to which this operation context belongs to
+ */
+ struct GNUNET_TESTBED_Controller *c;
+
+ /**
+ * The operation
+ */
+ struct GNUNET_TESTBED_Operation *op;
+
/**
- * next pointer for DLL
+ * The operation closure
*/
- struct GNUNET_TESTBED_Operation *next;
+ void *op_cls;
/**
- * prev pointer for DLL
+ * Data relevant to the operation
*/
- struct GNUNET_TESTBED_Operation *prev;
+ void *data;
/**
- * The ID for the operation;
+ * The id of the opearation
*/
- uint64_t operation_id;
+ uint64_t id;
/**
* The type of operation
enum OperationType type;
/**
- * Data specific to OperationType
+ * The state of the operation
*/
- void *data;
+ enum OperationContextState state;
+};
+
+
+/**
+ * Handle to interact with a GNUnet testbed controller. Each
+ * controller has at least one master handle which is created when the
+ * controller is created; this master handle interacts with the
+ * controller process, destroying it destroys the controller (by
+ * closing stdin of the controller process). Additionally,
+ * controllers can interact with each other (in a P2P fashion); those
+ * links are established via TCP/IP on the controller's service port.
+ */
+struct GNUNET_TESTBED_Controller
+{
+
+ /**
+ * The host where the controller is running
+ */
+ struct GNUNET_TESTBED_Host *host;
+
+ /**
+ * The controller callback
+ */
+ GNUNET_TESTBED_ControllerCallback cc;
+
+ /**
+ * The closure for controller callback
+ */
+ void *cc_cls;
+
+ /**
+ * The configuration to use while connecting to controller
+ */
+ struct GNUNET_CONFIGURATION_Handle *cfg;
+
+ /**
+ * The client connection handle to the controller service
+ */
+ struct GNUNET_CLIENT_Connection *client;
+
+ /**
+ * The head of the message queue
+ */
+ struct MessageQueue *mq_head;
+
+ /**
+ * The tail of the message queue
+ */
+ struct MessageQueue *mq_tail;
+
+ /**
+ * The head of the ControllerLink list
+ */
+ struct ControllerLink *cl_head;
+
+ /**
+ * The tail of the ControllerLink list
+ */
+ struct ControllerLink *cl_tail;
+
+ /**
+ * The client transmit handle
+ */
+ struct GNUNET_CLIENT_TransmitHandle *th;
+
+ /**
+ * The host registration handle; NULL if no current registration requests are
+ * present
+ */
+ struct GNUNET_TESTBED_HostRegistrationHandle *rh;
+
+ /**
+ * The head of the opeartion context queue
+ */
+ struct OperationContext *ocq_head;
+
+ /**
+ * The tail of the operation context queue
+ */
+ struct OperationContext *ocq_tail;
+
+ /**
+ * Operation queue for simultaneous operations
+ */
+ struct OperationQueue *opq_parallel_operations;
+
+ /**
+ * Operation queue for simultaneous service connections
+ */
+ struct OperationQueue *opq_parallel_service_connections;
+
+ /**
+ * Operation queue for simultaneous topology configuration operations
+ */
+ struct OperationQueue *opq_parallel_topology_config_operations;
+
+ /**
+ * Operation queue for simultaneous overlay connect operations
+ */
+ struct OperationQueue *opq_parallel_overlay_connect_operations;
+
+ /**
+ * The operation id counter. use current value and increment
+ */
+ uint32_t operation_counter;
+
+ /**
+ * The controller event mask
+ */
+ uint64_t event_mask;
+
+ /**
+ * Did we start the receive loop yet?
+ */
+ int in_receive;
+
+ /**
+ * Did we create the host for this?
+ */
+ int aux_host;
};
* @param msg the message to queue
*/
void
-GNUNET_TESTBED_queue_message (struct GNUNET_TESTBED_Controller *controller,
- struct GNUNET_MessageHeader *msg);
+GNUNET_TESTBED_queue_message_ (struct GNUNET_TESTBED_Controller *controller,
+ struct GNUNET_MessageHeader *msg);
/**
* @param config the serialized configuration
* @param size the size of config
* @param xconfig will be set to the compressed configuration (memory is fresly
- * allocated)
+ * allocated)
* @return the size of the xconfig
*/
size_t
-GNUNET_TESTBED_compress_config (const char *config, size_t size,
- char **xconfig);
+GNUNET_TESTBED_compress_config_ (const char *config, size_t size,
+ char **xconfig);
/**
* @param op the operation to add
*/
void
-GNUNET_TESTBED_operation_add (struct GNUNET_TESTBED_Operation *op);
+GNUNET_TESTBED_operation_add_ (struct GNUNET_TESTBED_Operation *op);
+
+
+/**
+ * Creates a helper initialization message. Only for testing.
+ *
+ * @param cname the ip address of the controlling host
+ * @param hostname the hostname of the destination this message is intended for
+ * @param cfg the configuration that has to used to start the testbed service
+ * thru helper
+ * @return the initialization message
+ */
+struct GNUNET_TESTBED_HelperInit *
+GNUNET_TESTBED_create_helper_init_msg_ (const char *cname,
+ const char *hostname,
+ const struct GNUNET_CONFIGURATION_Handle
+ *cfg);
+
+
+/**
+ * Sends the given message as an operation. The given callback is called when a
+ * reply for the operation is available. Call
+ * GNUNET_TESTBED_forward_operation_msg_cancel_() to cleanup the returned
+ * operation context if the cc hasn't been called
+ *
+ * @param controller the controller to which the message has to be sent
+ * @param operation_id the operation id of the message
+ * @param msg the message to send
+ * @param cc the callback to call when reply is available
+ * @param cc_cls the closure for the above callback
+ * @return the operation context which can be used to cancel the forwarded
+ * operation
+ */
+struct OperationContext *
+GNUNET_TESTBED_forward_operation_msg_ (struct GNUNET_TESTBED_Controller
+ *controller, uint64_t operation_id,
+ const struct GNUNET_MessageHeader *msg,
+ GNUNET_CLIENT_MessageHandler cc,
+ void *cc_cls);
+
+/**
+ * Function to cancel an operation created by simply forwarding an operation
+ * message.
+ *
+ * @param opc the operation context from GNUNET_TESTBED_forward_operation_msg_()
+ */
+void
+GNUNET_TESTBED_forward_operation_msg_cancel_ (struct OperationContext *opc);
+
+
+/**
+ * Generates configuration by uncompressing configuration in given message. The
+ * given message should be of the following types:
+ * GNUNET_MESSAGE_TYPE_TESTBED_PEERCONFIG,
+ * GNUNET_MESSAGE_TYPE_TESTBED_SLAVECONFIG
+ *
+ * @param msg the message containing compressed configuration
+ * @return handle to the parsed configuration
+ */
+struct GNUNET_CONFIGURATION_Handle *
+GNUNET_TESTBED_extract_config_ (const struct GNUNET_MessageHeader *msg);
+
+
+/**
+ * Checks the integrity of the OpeationFailureEventMessage and if good returns
+ * the error message it contains.
+ *
+ * @param msg the OperationFailureEventMessage
+ * @return the error message
+ */
+const char *
+GNUNET_TESTBED_parse_error_string_ (const struct
+ GNUNET_TESTBED_OperationFailureEventMessage
+ *msg);
+
+
+/**
+ * Function to return the operation id for a controller. The operation id is
+ * created from the controllers host id and its internal operation counter.
+ *
+ * @param controller the handle to the controller whose operation id has to be incremented
+ * @return the incremented operation id.
+ */
+uint64_t
+GNUNET_TESTBED_get_next_op_id (struct GNUNET_TESTBED_Controller *controller);
+
+
+/**
+ * Like GNUNET_TESTBED_get_slave_config(), however without the host registration
+ * check. Another difference is that this function takes the id of the slave
+ * host.
+ *
+ * @param op_cls the closure for the operation
+ * @param master the handle to master controller
+ * @param slave_host_id id of the host where the slave controller is running to
+ * the slave_host should remain valid until this operation is cancelled
+ * or marked as finished
+ * @return the operation handle;
+ */
+struct GNUNET_TESTBED_Operation *
+GNUNET_TESTBED_get_slave_config_ (void *op_cls,
+ struct GNUNET_TESTBED_Controller *master,
+ uint32_t slave_host_id);
+
+
+/**
+ * Same as the GNUNET_TESTBED_controller_link_2, but with ids for delegated host
+ * and slave host
+ *
+ * @param op_cls the operation closure for the event which is generated to
+ * signal success or failure of this operation
+ * @param master handle to the master controller who creates the association
+ * @param delegated_host_id id of the host to which requests should be delegated
+ * @param slave_host_id id of the host which is used to run the slave controller
+ * @param sxcfg serialized and compressed configuration
+ * @param sxcfg_size the size sxcfg
+ * @param scfg_size the size of uncompressed serialized configuration
+ * @param is_subordinate GNUNET_YES if the controller at delegated_host should
+ * be started by the slave controller; GNUNET_NO if the slave
+ * controller has to connect to the already started delegated
+ * controller via TCP/IP
+ * @return the operation handle
+ */
+struct GNUNET_TESTBED_Operation *
+GNUNET_TESTBED_controller_link_2_ (void *op_cls,
+ struct GNUNET_TESTBED_Controller *master,
+ uint32_t delegated_host_id,
+ uint32_t slave_host_id,
+ const char *sxcfg, size_t sxcfg_size,
+ size_t scfg_size, int is_subordinate);
+
+
+/**
+ * Same as the GNUNET_TESTBED_controller_link, but with ids for delegated host
+ * and slave host
+ *
+ * @param op_cls the operation closure for the event which is generated to
+ * signal success or failure of this operation
+ * @param master handle to the master controller who creates the association
+ * @param delegated_host_id id of the host to which requests should be
+ * delegated; cannot be NULL
+ * @param slave_host_id id of the host which should connect to controller
+ * running on delegated host ; use NULL to make the master controller
+ * connect to the delegated host
+ * @param slave_cfg configuration to use for the slave controller
+ * @param is_subordinate GNUNET_YES if the controller at delegated_host should
+ * be started by the slave controller; GNUNET_NO if the slave
+ * controller has to connect to the already started delegated
+ * controller via TCP/IP
+ * @return the operation handle
+ */
+struct GNUNET_TESTBED_Operation *
+GNUNET_TESTBED_controller_link_ (void *op_cls,
+ struct GNUNET_TESTBED_Controller *master,
+ uint32_t delegated_host_id,
+ uint32_t slave_host_id,
+ const struct GNUNET_CONFIGURATION_Handle
+ *slave_cfg,
+ int is_subordinate);
#endif
+/* end of testbed_api.h */