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/*
This file is part of GNUnet
(C) 2008--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_hosts.h
* @brief internal API to access the 'hosts' subsystem
* @author Christian Grothoff
*/
#ifndef NEW_TESTING_API_HOSTS_H
#define NEW_TESTING_API_HOSTS_H
#include "gnunet_testbed_service.h"
#include "gnunet_helper_lib.h"
/**
* Lookup a host by ID.
*
* @param id global host ID assigned to the host; 0 is
* reserved to always mean 'localhost'
* @return handle to the host, NULL on error
*/
struct GNUNET_TESTBED_Host *
GNUNET_TESTBED_host_lookup_by_id_ (uint32_t id);
/**
* Create a host by ID; given this host handle, we could not
* run peers at the host, but we can talk about the host
* internally.
*
* @param id global host ID assigned to the host; 0 is
* reserved to always mean 'localhost'
* @return handle to the host, NULL on error
*/
struct GNUNET_TESTBED_Host *
GNUNET_TESTBED_host_create_by_id_ (uint32_t id);
/**
* Create a host to run peers and controllers on. This function is used
* if a peer learns about a host via IPC between controllers (and thus
* some higher-level controller has already determined the unique IDs).
*
* @param id global host ID assigned to the host; 0 is
* reserved to always mean 'localhost'
* @param hostname name of the host, use "NULL" for localhost
* @param username username to use for the login; may be NULL
* @param port port number to use for ssh; use 0 to let ssh decide
* @return handle to the host, NULL on error
*/
struct GNUNET_TESTBED_Host *
GNUNET_TESTBED_host_create_with_id_ (uint32_t id,
const char *hostname,
const char *username,
uint16_t port);
/**
* Obtain a host's unique global ID.
*
* @param host handle to the host, NULL means 'localhost'
* @return id global host ID assigned to the host (0 is
* 'localhost', but then obviously not globally unique)
*/
uint32_t
GNUNET_TESTBED_host_get_id_ (struct GNUNET_TESTBED_Host *host);
/**
* Run a given helper process at the given host. Communication
* with the helper will be via GNUnet messages on stdin/stdout.
* Runs the process via 'ssh' at the specified host, or locally.
* Essentially an SSH-wrapper around the 'gnunet_helper_lib.h' API.
*
* @param host host to use, use "NULL" for localhost
* @param binary_argv binary name and command-line arguments to give to the binary
* @param cb function to call for messages received from the binary
* @param cb_cls closure for cb
* @return handle to terminate the command, NULL on error
*/
struct GNUNET_HELPER_Handle *
GNUNET_TESTBED_host_run_ (struct GNUNET_TESTBED_Host *host,
char *const binary_argv[],
GNUNET_SERVER_MessageTokenizerCallback cb, void *cb_cls);
#endif
/* end of testbed_api_hosts.h */
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