mirror of https://github.com/BOINC/boinc.git
86 lines
2.3 KiB
C++
86 lines
2.3 KiB
C++
// The contents of this file are subject to the Mozilla 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://www.mozilla.org/MPL/
|
|
//
|
|
// 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):
|
|
//
|
|
|
|
#include <stdio.h>
|
|
|
|
#ifndef BOINC_API
|
|
#define BOINC_API
|
|
|
|
// MFILE supports a primitive form of checkpointing.
|
|
// Write all your output (and restart file) to MFILEs.
|
|
// The output is buffered in memory.
|
|
// Then close all the MFILEs;
|
|
// all the buffers will be flushed to disk, almost atomically.
|
|
|
|
class MFILE {
|
|
char* buf;
|
|
int len;
|
|
FILE* f;
|
|
public:
|
|
int open(char* path, char* mode);
|
|
int _putchar(char);
|
|
int puts(char*);
|
|
int printf(char* format, ...);
|
|
size_t write(const void *,size_t,size_t);
|
|
int close();
|
|
int flush();
|
|
};
|
|
|
|
// An application that wants to be well-behaved should do the following:
|
|
//
|
|
// - call boinc_init() at startup
|
|
// - call boinc_time() periodically.
|
|
// This is cheap - it gets the time of day.
|
|
// - checkpoint as often as requested by core
|
|
// - boinc_poll():
|
|
// Call this as often as requested by core
|
|
|
|
struct APP_IN_GRAPHICS {
|
|
int xsize;
|
|
int ysize;
|
|
double refresh_period;
|
|
char shmem_seg_name[32];
|
|
};
|
|
|
|
struct APP_OUT_GRAPHICS {
|
|
};
|
|
|
|
struct APP_IN {
|
|
char app_preferences[4096];
|
|
APP_IN_GRAPHICS graphics;
|
|
double checkpoint_period; // recommended checkpoint period
|
|
double poll_period; // recommended poll period
|
|
};
|
|
|
|
struct APP_OUT {
|
|
double percent_done;
|
|
double cpu_time_at_checkpoint;
|
|
bool checkpointed; // true iff checkpointed since last call
|
|
};
|
|
|
|
void boinc_init(APP_IN&);
|
|
double boinc_time();
|
|
void boinc_poll(APP_IN&, APP_OUT&);
|
|
double boinc_cpu_time();
|
|
|
|
#define CORE_TO_APP_FILE "core_to_app.xml"
|
|
#define APP_TO_CORE_FILE "app_to_core.xml"
|
|
|
|
#endif
|