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/*
This file is part of GNUnet
(C) 2012 Christian Grothoff (and other contributing authors)
GNUnet is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published
by the Free Software Foundation; either version 3, or (at your
option) any later version.
GNUnet is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
General Public License for more details.
You should have received a copy of the GNU General Public License
along with GNUnet; see the file COPYING. If not, write to the
Free Software Foundation, Inc., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA.
*/
/**
* @file testbed/testbed_api.h
* @brief Interface for functions internally exported from testbed_api.c
* @author Sree Harsha Totakura
*/
#ifndef TESTBED_API_H
#define TESTBED_API_H
/**
* Enumeration of operations
*/
enum OperationType
{
/**
* Peer start operation
*/
OP_PEER_START,
/**
* Peer stop operation
*/
OP_PEER_STOP,
/**
* Peer destroy operation
*/
OP_PEER_DESTROY
};
/**
* Testbed operation structure
*/
struct GNUNET_TESTBED_Operation
{
/**
* next pointer for DLL
*/
struct GNUNET_TESTBED_Operation *next;
/**
* prev pointer for DLL
*/
struct GNUNET_TESTBED_Operation *prev;
/**
* The ID for the operation;
*/
uint64_t operation_id;
/**
* The type of operation
*/
enum OperationType type;
/**
* Data specific to OperationType
*/
void *data;
};
/**
* The message queue for sending messages to the controller service
*/
struct MessageQueue;
/**
* Structure for a controller link
*/
struct ControllerLink;
/**
* 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 operation queue
*/
struct GNUNET_TESTBED_Operation *op_head;
/**
* The tail of the operation queue
*/
struct GNUNET_TESTBED_Operation *op_tail;
/**
* The operation id counter. use current value and increment
*/
uint64_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;
};
/**
* Queues a message in send queue for sending to the service
*
* @param controller the handle to the controller
* @param msg the message to queue
*/
void
GNUNET_TESTBED_queue_message_ (struct GNUNET_TESTBED_Controller *controller,
struct GNUNET_MessageHeader *msg);
/**
* Compresses given configuration using zlib compress
*
* @param config the serialized configuration
* @param size the size of config
* @param xconfig will be set to the compressed configuration (memory is fresly
* allocated)
* @return the size of the xconfig
*/
size_t
GNUNET_TESTBED_compress_config_ (const char *config, size_t size,
char **xconfig);
/**
* Adds an operation to the queue of operations
*
* @param op the operation to add
*/
void
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 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 struct GNUNET_CONFIGURATION_Handle *cfg);
#endif
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