mirror of https://github.com/BOINC/boinc.git
153 lines
3.9 KiB
C++
153 lines
3.9 KiB
C++
// This file is part of BOINC.
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// http://boinc.berkeley.edu
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// Copyright (C) 2008 University of California
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//
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// BOINC is free software; you can redistribute it and/or modify it
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// under the terms of the GNU Lesser General Public License
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// as published by the Free Software Foundation,
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// either version 3 of the License, or (at your option) any later version.
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//
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// BOINC is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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// See the GNU Lesser General Public License for more details.
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//
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// You should have received a copy of the GNU Lesser General Public License
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// along with BOINC. If not, see <http://www.gnu.org/licenses/>.
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// worker - application without BOINC runtime system;
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// used for testing wrapper.
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// What this does:
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//
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// copies one line of stdin to stdout
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// copies one line of "in" to "out"
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// uses 10 sec of CPU time
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// (or as specified by a command-line arg)
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//
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// THIS PROGRAM SHOULDN'T USE ANY BOINC CODE. That's the whole point.
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#include <stdio.h>
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#include <stdlib.h>
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#include <time.h>
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// do a billion floating-point ops
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// (note: I needed to add an arg to this;
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// otherwise the MS C++ compiler optimizes away
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// all but the first call to it!)
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//
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static double do_a_giga_flop(int foo) {
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double x = 3.14159*foo;
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int i;
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for (i=0; i<500000000; i++) {
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x += 5.12313123;
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x *= 0.5398394834;
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}
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return x;
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}
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int main(int argc, char** argv) {
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char buf[256];
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FILE* in, *out;
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fprintf(stderr, "worker starting\n");
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in = fopen("in", "r");
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if (!in) {
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fprintf(stderr, "missing input file\n");
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exit(1);
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}
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out = fopen("out", "w");
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if (!out) {
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fprintf(stderr, "can't open output file\n");
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exit(1);
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}
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fgets(buf, 256, in);
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fputs(buf, out);
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fgets(buf, 256, stdin);
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fputs(buf, stdout);
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int start = (int)time(0);
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int nsec = 10;
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if (argc > 1) nsec = atoi(argv[1]);
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int i=0;
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while (time(0) < start+nsec) {
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do_a_giga_flop(i++);
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}
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fputs("done!\n", stdout);
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return 0;
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}
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#ifdef _WIN32
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#include <windows.h>
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// take a string containing some space separated words.
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// return an array of pointers to the null-terminated words.
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// Modifies the string arg.
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// Returns argc
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// TODO: use strtok here
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#define NOT_IN_TOKEN 0
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#define IN_SINGLE_QUOTED_TOKEN 1
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#define IN_DOUBLE_QUOTED_TOKEN 2
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#define IN_UNQUOTED_TOKEN 3
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int parse_command_line(char* p, char** argv) {
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int state = NOT_IN_TOKEN;
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int argc=0;
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while (*p) {
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switch(state) {
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case NOT_IN_TOKEN:
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if (isspace(*p)) {
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} else if (*p == '\'') {
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p++;
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argv[argc++] = p;
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state = IN_SINGLE_QUOTED_TOKEN;
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break;
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} else if (*p == '\"') {
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p++;
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argv[argc++] = p;
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state = IN_DOUBLE_QUOTED_TOKEN;
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break;
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} else {
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argv[argc++] = p;
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state = IN_UNQUOTED_TOKEN;
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}
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break;
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case IN_SINGLE_QUOTED_TOKEN:
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if (*p == '\'') {
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*p = 0;
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state = NOT_IN_TOKEN;
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}
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break;
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case IN_DOUBLE_QUOTED_TOKEN:
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if (*p == '\"') {
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*p = 0;
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state = NOT_IN_TOKEN;
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}
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break;
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case IN_UNQUOTED_TOKEN:
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if (isspace(*p)) {
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*p = 0;
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state = NOT_IN_TOKEN;
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}
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break;
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}
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p++;
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}
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argv[argc] = 0;
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return argc;
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}
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int WINAPI WinMain(HINSTANCE hInst, HINSTANCE hPrevInst, LPSTR Args, int WinMode) {
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LPSTR command_line;
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char* argv[100];
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int argc;
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command_line = GetCommandLine();
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argc = parse_command_line( command_line, argv );
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return main(argc, argv);
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}
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#endif
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