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/*
This file is part of GNUnet.
Copyright (C) 2010,2011 GNUnet e.V.
GNUnet is free software: you can redistribute it and/or modify it
under the terms of the GNU Affero General Public License as published
by the Free Software Foundation, either version 3 of the License,
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
Affero General Public License for more details.
*/
/**
* @file transport/gnunet-service-transport_hello.h
* @brief hello API
* @author Christian Grothoff
*/
#ifndef GNUNET_SERVICE_TRANSPORT_HELLO_H
#define GNUNET_SERVICE_TRANSPORT_HELLO_H
#include "gnunet_statistics_service.h"
#include "gnunet_transport_service.h"
#include "gnunet_util_lib.h"
#include "gnunet_hello_lib.h"
/**
* Signature of a function to call whenever our hello changes.
*
* @param cls closure
* @param hello updated HELLO
*/
typedef void
(*GST_HelloCallback) (void *cls,
const struct GNUNET_MessageHeader *hello);
/**
* Initialize the HELLO module.
*
* @param friend_only use a friend only hello
* @param cb function to call whenever our HELLO changes
* @param cb_cls closure for @a cb
*/
void
GST_hello_start (int friend_only,
GST_HelloCallback cb,
void *cb_cls);
/**
* Shutdown the HELLO module.
*/
void
GST_hello_stop (void);
/**
* Obtain this peers HELLO message.
*
* @return our HELLO message
*/
const struct GNUNET_MessageHeader *
GST_hello_get (void);
/**
* Add or remove an address from this peer's HELLO message.
*
* @param addremove #GNUNET_YES to add, #GNUNET_NO to remove
* @param address address to add or remove
*/
void
GST_hello_modify_addresses (int addremove,
const struct GNUNET_HELLO_Address *address);
/**
* Test if a particular address is one of ours.
*
* @param address the address to test
* @param sig location where to cache PONG signatures for this address [set]
* @param sig_expiration how long until the current 'sig' expires?
* (ZERO if sig was never created) [set]
* @return #GNUNET_YES if this is one of our addresses,
* #GNUNET_NO if not
*/
int
GST_hello_test_address (const struct GNUNET_HELLO_Address *address,
struct GNUNET_CRYPTO_EddsaSignature **sig,
struct GNUNET_TIME_Absolute **sig_expiration);
#endif
/* end of file gnunet-service-transport_hello.h */
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