boinc/sched/main.C

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// 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>
#include <unistd.h>
#include "db.h"
#include "parse.h"
#include "server_types.h"
#include "handle_request.h"
#define REQ_FILE_PREFIX "/tmp/boinc_req_"
#define REPLY_FILE_PREFIX "/tmp/boinc_reply_"
int return_error(char* p) {
fprintf(stderr, "BOINC server: %s\n", p);
printf("<error_msg>%s</error_msg>\n", p);
return 1;
}
// the code below is convoluted because,
// instead of going from stdin to stdout directly,
// we go via a pair of disk files
// (this makes it easy to save the input,
// and to know the length of the output).
//
int main() {
FILE* fin, *fout;
int retval, pid;
char req_path[256], reply_path[256];
DB_CACHE db;
pid = getpid();
sprintf(req_path, "%s%d", REQ_FILE_PREFIX, pid);
sprintf(reply_path, "%s%d", REPLY_FILE_PREFIX, pid);
fprintf(stdout, "Content-type: text/plain\n\n");
fout = fopen(req_path, "w");
if (!fout) {
exit(return_error("can't write request file"));
}
copy_stream(stdin, fout);
fclose(fout);
fin = fopen(req_path, "r");
if (!fin) {
exit(return_error("can't read request file"));
}
fout = fopen(reply_path, "w");
if (!fout) {
exit(return_error("can't write reply file"));
}
retval = db_open("boinc");
if (retval) {
exit(return_error("can't open database"));
}
db.read_db();
handle_request(fin, fout, db);
db_close();
fclose(fin);
fclose(fout);
fin = fopen(reply_path, "r");
if (!fin) {
exit(return_error("can't read reply file"));
}
copy_stream(fin, stdout);
fclose(fin);
unlink(req_path);
unlink(reply_path);
}