mirror of https://github.com/BOINC/boinc.git
136 lines
4.2 KiB
C++
136 lines
4.2 KiB
C++
// This file is part of BOINC.
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// http://boinc.berkeley.edu
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// Copyright (C) 2010 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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// Stuff related to the mechanism where the client fetches
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// http://boinc.berkeley.edu/download.php?xml=1
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// every so often to see if there's a newer client version
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#include "filesys.h"
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#include "client_msgs.h"
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#include "client_state.h"
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#include "log_flags.h"
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#include "current_version.h"
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int GET_CURRENT_VERSION_OP::do_rpc() {
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int retval;
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retval = gui_http->do_rpc(
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this, config.client_version_check_url.c_str(),
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GET_CURRENT_VERSION_FILENAME,
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true
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);
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if (retval) {
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error_num = retval;
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} else {
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error_num = ERR_IN_PROGRESS;
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}
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return retval;
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}
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static bool is_version_newer(const char* p) {
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int maj=0, min=0, rel=0;
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sscanf(p, "%d.%d.%d", &maj, &min, &rel);
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if (maj > gstate.core_client_version.major) return true;
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if (maj < gstate.core_client_version.major) return false;
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if (min > gstate.core_client_version.minor) return true;
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if (min < gstate.core_client_version.minor) return false;
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if (rel > gstate.core_client_version.release) return true;
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return false;
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}
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// Parse the output of download.php?xml=1.
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// If there is a newer version for our primary platform,
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// copy it to new_version and return true.
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//
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static bool parse_version(FILE* f, char* new_version) {
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char buf[256], buf2[256];
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bool same_platform = false, newer_version_exists = false;
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while (fgets(buf, 256, f)) {
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if (match_tag(buf, "</version>")) {
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return (same_platform && newer_version_exists);
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}
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if (parse_str(buf, "<dbplatform>", buf2, sizeof(buf2))) {
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same_platform = (strcmp(buf2, gstate.get_primary_platform())==0);
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}
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if (parse_str(buf, "<version_num>", buf2, sizeof(buf2))) {
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newer_version_exists = is_version_newer(buf2);
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strcpy(new_version, buf2);
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}
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}
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return false;
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}
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static void show_newer_version_msg() {
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msg_printf_notice(0, true,
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"http://boinc.berkeley.edu/manager_links.php?target=notice&controlid=download",
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"%s <a href=%s>%s</a>",
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_("A new version of BOINC is available."),
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config.client_download_url.c_str(),
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_("Download it.")
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);
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}
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void GET_CURRENT_VERSION_OP::handle_reply(int http_op_retval) {
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char buf[256], new_version[256];
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if (http_op_retval) {
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error_num = http_op_retval;
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return;
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}
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gstate.new_version_check_time = gstate.now;
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FILE* f = boinc_fopen(GET_CURRENT_VERSION_FILENAME, "r");
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if (!f) return;
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while (fgets(buf, 256, f)) {
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if (match_tag(buf, "<version>")) {
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if (parse_version(f, new_version)) {
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show_newer_version_msg();
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gstate.newer_version = string(new_version);
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break;
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}
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}
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}
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fclose(f);
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}
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// called at startup to see if the client state file
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// says there's a new version
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//
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void newer_version_startup_check() {
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if (!gstate.newer_version.empty()) {
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if (is_version_newer(gstate.newer_version.c_str())) {
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show_newer_version_msg();
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} else {
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gstate.newer_version = "";
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}
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}
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}
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#define NEW_VERSION_CHECK_PERIOD (14*86400)
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void CLIENT_STATE::new_version_check() {
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if ((new_version_check_time == 0) ||
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(now - new_version_check_time > NEW_VERSION_CHECK_PERIOD)) {
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// get_current_version_op.handle_reply()
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// updates new_version_check_time
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//
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get_current_version_op.do_rpc();
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}
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}
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