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// This file is part of BOINC.
// http://boinc.berkeley.edu
// Copyright (C) 2015 University of California
//
// BOINC is free software; you can redistribute it and/or modify it
// under the terms of the GNU Lesser General Public License
// as published by the Free Software Foundation,
// either version 3 of the License, or (at your option) any later version.
//
// BOINC 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 Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public License
// along with BOINC. If not, see <http://www.gnu.org/licenses/>.
// worker - application without BOINC runtime system;
// used for testing wrapper.
//
// worker [--std_copy] [--file_copy] nsecs
//
// --std_copy: copy one line of stdin to stdout
// --file_copy: copy one line of "in" to "out"
// nsecs: use this much CPU time (default 10 sec)
//
// THIS PROGRAM SHOULDN'T USE ANY BOINC CODE. That's the whole point.
#include <stdio.h>
#include <stdlib.h>
#include <time.h>
#include <string.h>
// do a billion floating-point ops
// (note: I needed to add an arg to this;
// otherwise the MS C++ compiler optimizes away
// all but the first call to it!)
//
static double do_a_giga_flop(int foo) {
double x = 3.14159*foo;
int i;
for (i=0; i<500000000; i++) {
x += 5.12313123;
x *= 0.5398394834;
}
return x;
}
int main(int argc, char** argv) {
char buf[256];
FILE* in, *out;
int i, nsec = 10;
bool std_copy = false, file_copy = false;
for (i=1; i<argc; i++) {
if (!strcmp(argv[i], "--std_copy")) {
std_copy = true;
}
if (!strcmp(argv[i], "--file_copy")) {
file_copy = true;
}
nsec = atoi(argv[i]);
}
fprintf(stderr, "worker starting\n");
if (file_copy) {
in = fopen("in", "r");
if (!in) {
fprintf(stderr, "missing input file\n");
exit(1);
}
out = fopen("out", "w");
if (!out) {
fprintf(stderr, "can't open output file\n");
exit(1);
}
fgets(buf, 256, in);
fputs(buf, out);
}
if (std_copy) {
fgets(buf, 256, stdin);
fputs(buf, stdout);
}
int start = (int)time(0);
i=0;
while (time(0) < start+nsec) {
do_a_giga_flop(i++);
}
fputs("done!\n", stdout);
return 0;
}
#ifdef _WIN32
#include <windows.h>
// take a string containing some space separated words.
// return an array of pointers to the null-terminated words.
// Modifies the string arg.
// Returns argc
// TODO: use strtok here
#define NOT_IN_TOKEN 0
#define IN_SINGLE_QUOTED_TOKEN 1
#define IN_DOUBLE_QUOTED_TOKEN 2
#define IN_UNQUOTED_TOKEN 3
int parse_command_line(char* p, char** argv) {
int state = NOT_IN_TOKEN;
int argc=0;
while (*p) {
switch(state) {
case NOT_IN_TOKEN:
if (isspace(*p)) {
} else if (*p == '\'') {
p++;
argv[argc++] = p;
state = IN_SINGLE_QUOTED_TOKEN;
break;
} else if (*p == '\"') {
p++;
argv[argc++] = p;
state = IN_DOUBLE_QUOTED_TOKEN;
break;
} else {
argv[argc++] = p;
state = IN_UNQUOTED_TOKEN;
}
break;
case IN_SINGLE_QUOTED_TOKEN:
if (*p == '\'') {
*p = 0;
state = NOT_IN_TOKEN;
}
break;
case IN_DOUBLE_QUOTED_TOKEN:
if (*p == '\"') {
*p = 0;
state = NOT_IN_TOKEN;
}
break;
case IN_UNQUOTED_TOKEN:
if (isspace(*p)) {
*p = 0;
state = NOT_IN_TOKEN;
}
break;
}
p++;
}
argv[argc] = 0;
return argc;
}
int WINAPI WinMain(HINSTANCE hInst, HINSTANCE hPrevInst, LPSTR Args, int WinMode) {
LPSTR command_line;
char* argv[100];
int argc;
command_line = GetCommandLine();
argc = parse_command_line( command_line, argv );
return main(argc, argv);
}
#endif
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