// The contents of this file are subject to the BOINC Public License
// Version 1.0 (the "License"); you may not use this file except in
// compliance with the License. You may obtain a copy of the License at
// http://boinc.berkeley.edu/license_1.0.txt
//
// Software distributed under the License is distributed on an "AS IS"
// basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See the
// License for the specific language governing rights and limitations
// under the License.
//
// The Original Code is the Berkeley Open Infrastructure for Network Computing.
//
// The Initial Developer of the Original Code is the SETI@home project.
// Portions created by the SETI@home project are Copyright (C) 2002
// University of California at Berkeley. All Rights Reserved.
//
// Contributor(s):
//

#ifndef _BOINC_API_
#define _BOINC_API_

#ifndef _WIN32
#include <string>
#include <assert.h>
#endif

using namespace std;

#include "app_ipc.h"


// MFILE supports a primitive form of checkpointing.
// Write all your output (and restart file) to MFILEs.
// The output is buffered in memory.
// Then close or flush all the MFILEs;
// all the buffers will be flushed to disk, almost atomically.

class MFILE {
    char* buf;
    int len;
    FILE* f;
public:
    int open(const char* path, const char* mode);
    int _putchar(char);
    int puts(const char*);
    int printf(const char* format, ...);
    size_t write(const void *, size_t size, size_t nitems);
    int close();
    int flush();
    long tell() const;
};


/////////// API BEGINS HERE 

extern int	boinc_set_error(int exit_code);

extern int	boinc_init(bool standalone = false);
extern int	boinc_finish(int);

extern bool	boinc_is_standalone();

extern int	boinc_resolve_filename(const char*, char*, int len);
extern int	boinc_resolve_filename(const char*, string&);

extern int	boinc_parse_init_data_file();
extern int	boinc_get_init_data(APP_INIT_DATA&);

extern int	boinc_trickle(char*);

extern bool	boinc_time_to_checkpoint();
extern int	boinc_checkpoint_completed();

extern int	boinc_fraction_done(double);
extern int	boinc_child_start();
extern int	boinc_child_done(double);

extern int	boinc_wu_cpu_time(double&);
extern int	boinc_thread_cpu_time(double&, double&);

/////////// API ENDS HERE

/////////// IMPLEMENTATION STUFF BEGINS HERE

extern APP_CLIENT_SHM *app_client_shm;

/////////// IMPLEMENTATION STUFF ENDS HERE

// Forward declare implementation functions - POSIX Platform Only.
#ifdef HAVE_SIGNAL_H
extern RETSIGTYPE boinc_catch_signal(int signal);
extern void boinc_quit(int sig);
#endif


#endif