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/*
This file is part of TALER
Copyright (C) 2014, 2015 Christian Grothoff (and other contributing authors)
TALER 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.
TALER 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
TALER; see the file COPYING. If not, If not, see
<http://www.gnu.org/licenses/>
*/
/**
* @file mint-lib/mint_api_context.h
* @brief Internal interface to the context part of the mint's HTTP API
* @author Sree Harsha Totakura <sreeharsha@totakura.in>
* @author Christian Grothoff
*/
#include "platform.h"
#include <curl/curl.h>
#include <gnunet/gnunet_util_lib.h>
#include "taler_mint_service.h"
#include "taler_signatures.h"
/**
* Entry in the context's job queue.
*/
struct MAC_Job;
/**
* Function to call upon completion of a job.
*
* @param cls closure
* @param eh original easy handle (for inspection)
*/
typedef void
(*MAC_JobCompletionCallback)(void *cls,
CURL *eh);
/**
* Schedule a CURL request to be executed and call the given @a jcc
* upon its completion. Note that the context will make use of the
* CURLOPT_PRIVATE facility of the CURL @a eh. Applications can
* instead use #MAC_easy_to_closure to extract the @a jcc_cls argument
* from a valid @a eh afterwards.
*
* @param ctx context to execute the job in
* @param eh curl easy handle for the request, will
* be executed AND cleaned up
* @param jcc callback to invoke upon completion
* @param jcc_cls closure for @a jcc
*/
struct MAC_Job *
MAC_job_add (struct TALER_MINT_Context *ctx,
CURL *eh,
MAC_JobCompletionCallback jcc,
void *jcc_cls);
/**
* Obtain the `jcc_cls` argument from an `eh` that was
* given to #MAC_job_add().
*
* @param eh easy handle that was used
* @return the `jcc_cls` that was given to #MAC_job_add().
*/
void *
MAC_easy_to_closure (CURL *eh);
/**
* Cancel a job. Must only be called before the job completion
* callback is called for the respective job.
*
* @param job job to cancel
*/
void
MAC_job_cancel (struct MAC_Job *job);
/* end of mint_api_context.h */
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