mirror of https://github.com/BOINC/boinc.git
146 lines
4.4 KiB
C++
146 lines
4.4 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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#include "cpp.h"
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#ifdef _WIN32
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#include "boinc_win.h"
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#else
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#include "config.h"
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#endif
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#include <cstring>
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#include "error_numbers.h"
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#include "file_names.h"
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#include "filesys.h"
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#include "parse.h"
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#include "util.h"
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#include "str_util.h"
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#include "sandbox.h"
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#include "client_state.h"
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using std::string;
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// Scan project dir for file names of the form trickle_up_X_Y
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// where X is a result name and Y is a timestamp.
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// Convert them to XML (for sched request message)
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//
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int CLIENT_STATE::read_trickle_files(PROJECT* project, FILE* f) {
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char project_dir[256], *p, *q, result_name[256], fname[256];
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char* file_contents, path[256], newpath[256];
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string fn;
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time_t t;
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int retval;
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get_project_dir(project, project_dir, sizeof(project_dir));
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DirScanner ds(project_dir);
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// trickle-up filenames are of the form trickle_up_RESULTNAME_TIME[.sent]
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//
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while (ds.scan(fn)) {
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strcpy(fname, fn.c_str());
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if (strstr(fname, "trickle_up_") != fname) continue;
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q = fname + strlen("trickle_up_");
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p = strrchr(fname, '_');
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if (p <= q) continue;
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*p = 0;
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strcpy(result_name, q);
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*p = '_';
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t = atoi(p+1);
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sprintf(path, "%s/%s", project_dir, fname);
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retval = read_file_malloc(path, file_contents);
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if (retval) continue;
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fprintf(f,
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" <msg_from_host>\n"
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" <result_name>%s</result_name>\n"
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" <time>%d</time>\n"
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"%s\n"
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" </msg_from_host>\n",
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result_name,
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(int)t,
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file_contents
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);
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free(file_contents);
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// append .sent to filename, so we'll know which ones to delete later
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//
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if (!ends_with(fname, ".sent")) {
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sprintf(newpath, "%s/%s.sent", project_dir, fname);
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boinc_rename(path, newpath);
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}
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}
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return 0;
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}
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// Remove files when ack has been received.
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// Remove only those ending with ".sent"
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// (others arrived from application while RPC was happening)
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//
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int CLIENT_STATE::remove_trickle_files(PROJECT* project) {
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char project_dir[256], path[256], fname[256];
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string fn;
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get_project_dir(project, project_dir, sizeof(project_dir));
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DirScanner ds(project_dir);
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while (ds.scan(fn)) {
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strcpy(fname, fn.c_str());
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if (!starts_with(fname, "trickle_up")) continue;
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if (!ends_with(fname, ".sent")) continue;
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sprintf(path, "%s/%s", project_dir, fname);
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delete_project_owned_file(path, true);
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}
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return 0;
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}
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// parse a trickle-down message in a scheduler reply.
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// Locate the corresponding active task,
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// write a file in the slot directory,
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// and notify the task
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//
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int CLIENT_STATE::handle_trickle_down(PROJECT* project, FILE* in) {
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char buf[256];
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char result_name[256], path[256];
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string body;
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int send_time=0;
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strcpy(result_name, "");
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while (fgets(buf, 256, in)) {
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if (match_tag(buf, "</trickle_down>")) {
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RESULT* rp = lookup_result(project, result_name);
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if (!rp) return ERR_NULL;
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ACTIVE_TASK* atp = lookup_active_task_by_result(rp);
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if (!atp) return ERR_NULL;
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sprintf(path, "%s/trickle_down_%d", atp->slot_dir, send_time);
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FILE* f = fopen(path, "w");
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if (!f) return ERR_FOPEN;
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fputs(body.c_str(), f);
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fclose(f);
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atp->have_trickle_down = true;
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return 0;
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} else if (parse_str(buf, "<result_name>", result_name, 256)) {
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continue;
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} else if (parse_int(buf, "<time>", send_time)) {
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continue;
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} else {
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body += buf;
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}
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}
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return ERR_XML_PARSE;
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}
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