mirror of https://github.com/BOINC/boinc.git
569 lines
16 KiB
C++
569 lines
16 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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// BOINC client simulator.
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//
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// usage:
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// sim [--duration x] [--delta x] [--dirs dir ...]
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// duration = simulation duration (default 86400)
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// delta = simulation time step (default 10)
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//
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// If no dirs are specified:
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// reads input files
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// sim_projects.xml, sim_host.xml, sim_prefs.xml, cc_config.xml
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// and does simulation, generating output files
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// sim_log.txt, sim_out.html
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//
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// If dirs are specified, chdir into each directory in sequence,
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// do the above for each one, and write summary info to stdout
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#include "error_numbers.h"
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#include "str_util.h"
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#include "log_flags.h"
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#include "filesys.h"
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#include "network.h"
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#include "client_msgs.h"
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#include "sim.h"
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//////////////// FUNCTIONS MODIFIED OR STUBBED OUT /////////////
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double dtime() {
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return 0;
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}
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CLIENT_STATE::CLIENT_STATE() {
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initialized = false;
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retry_shmem_time = 0;
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}
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FILE* boinc_fopen(const char* path, const char* mode) {
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return fopen(path, mode);
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}
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void CLIENT_STATE::set_client_state_dirty(char const*) {
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}
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void HOST_INFO::generate_host_cpid() {}
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//int get_connected_state() {return 1;}
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int CLIENT_STATE::report_result_error(RESULT& , const char* , ...) {return 0;}
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void show_message(PROJECT *p, char* msg, int priority) {
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const char* x;
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char message[1024];
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char* time_string = time_to_string(gstate.now);
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if (priority == MSG_INTERNAL_ERROR) {
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strcpy(message, "[error] ");
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strlcpy(message+8, msg, sizeof(message)-8);
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} else {
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strlcpy(message, msg, sizeof(message));
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}
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while (strlen(message)&&message[strlen(message)-1] == '\n') {
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message[strlen(message)-1] = 0;
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}
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if (p) {
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x = p->get_project_name();
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} else {
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x = "---";
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}
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fprintf(logfile, "%s [%s] %s\n", time_string, x, message);
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}
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bool RESULT::some_download_stalled() {
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return false;
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}
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bool PROJECT::some_download_stalled() {
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return false;
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}
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APP_CLIENT_SHM::APP_CLIENT_SHM() {}
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GRAPHICS_MSG::GRAPHICS_MSG() {}
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HOST_INFO::HOST_INFO() {}
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//////////////// FUNCTIONS COPIED /////////////
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void SIM_PROJECT::init() {
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strcpy(master_url, "");
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strcpy(authenticator, "");
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project_specific_prefs = "";
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gui_urls = "";
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resource_share = 100;
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strcpy(host_venue, "");
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using_venue_specific_prefs = false;
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scheduler_urls.clear();
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strcpy(project_name, "");
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strcpy(symstore, "");
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strcpy(user_name, "");
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strcpy(team_name, "");
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strcpy(email_hash, "");
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strcpy(cross_project_id, "");
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user_total_credit = 0;
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user_expavg_credit = 0;
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user_create_time = 0;
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ams_resource_share = 0;
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rpc_seqno = 0;
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hostid = 0;
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host_total_credit = 0;
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host_expavg_credit = 0;
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host_create_time = 0;
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nrpc_failures = 0;
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master_fetch_failures = 0;
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min_rpc_time = 0;
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possibly_backed_off = true;
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master_url_fetch_pending = false;
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sched_rpc_pending = 0;
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next_rpc_time = 0;
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last_rpc_time = 0;
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trickle_up_pending = false;
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anonymous_platform = false;
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non_cpu_intensive = false;
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verify_files_on_app_start = false;
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short_term_debt = 0;
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long_term_debt = 0;
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send_file_list = false;
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suspended_via_gui = false;
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dont_request_more_work = false;
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detach_when_done = false;
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attached_via_acct_mgr = false;
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strcpy(code_sign_key, "");
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user_files.clear();
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project_files.clear();
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anticipated_debt = 0;
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wall_cpu_time_this_debt_interval = 0;
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next_runnable_result = NULL;
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work_request = 0;
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work_request_urgency = WORK_FETCH_DONT_NEED;
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duration_correction_factor = 1;
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project_files_downloaded_time = 0;
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// Initialize scratch variables.
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rr_sim_status.clear();
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deadlines_missed = 0;
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// sim-specific:
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idle_time = 0;
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idle_time_sumsq = 0;
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completed_task_count = 0;
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completions_ratio_mean = 0.0;
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completions_ratio_s = 0.0;
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completions_ratio_stdev = 0.1; // for the first couple of completions - guess.
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completions_required_stdevs = 3.0;
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}
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void RESULT::clear() {
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strcpy(name, "");
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strcpy(wu_name, "");
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report_deadline = 0;
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output_files.clear();
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_state = RESULT_NEW;
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ready_to_report = false;
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completed_time = 0;
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got_server_ack = false;
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final_cpu_time = 0;
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exit_status = 0;
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stderr_out = "";
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suspended_via_gui = false;
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rr_sim_misses_deadline = false;
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last_rr_sim_missed_deadline = false;
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fpops_per_cpu_sec = 0;
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fpops_cumulative = 0;
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intops_per_cpu_sec = 0;
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intops_cumulative = 0;
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app = NULL;
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wup = NULL;
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project = NULL;
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}
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static const char* task_state_name(int val) {
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switch (val) {
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case PROCESS_UNINITIALIZED: return "UNINITIALIZED";
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case PROCESS_EXECUTING: return "EXECUTING";
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case PROCESS_SUSPENDED: return "SUSPENDED";
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case PROCESS_ABORT_PENDING: return "ABORT_PENDING";
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case PROCESS_EXITED: return "EXITED";
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case PROCESS_WAS_SIGNALED: return "WAS_SIGNALED";
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case PROCESS_EXIT_UNKNOWN: return "EXIT_UNKNOWN";
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case PROCESS_ABORTED: return "ABORTED";
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case PROCESS_COULDNT_START: return "COULDNT_START";
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case PROCESS_QUIT_PENDING: return "QUIT_PENDING";
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}
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return "Unknown";
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}
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void ACTIVE_TASK::set_task_state(int val, const char* where) {
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_task_state = val;
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if (log_flags.task_debug) {
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msg_printf(result->project, MSG_INFO,
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"[task_debug] task_state=%s for %s from %s",
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task_state_name(val), result->name, where
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);
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}
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}
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char* PROJECT::get_project_name() {
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if (strlen(project_name)) {
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return project_name;
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} else {
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return master_url;
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}
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}
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inline double drand() {
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return (double)rand()/(double)RAND_MAX;
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}
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// return a random double in the range [rmin,rmax)
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inline double rand_range(double rmin, double rmax) {
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if (rmin < rmax) {
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return drand() * (rmax-rmin) + rmin;
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} else {
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return rmin;
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}
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}
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// return a random double in the range [MIN,min(e^n,MAX))
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//
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double calculate_exponential_backoff( int n, double MIN, double MAX) {
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double rmax = std::min(MAX, exp((double)n));
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return rand_range(MIN, rmax);
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}
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// amount of RAM usable now
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//
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double CLIENT_STATE::available_ram() {
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if (user_active) {
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return host_info.m_nbytes * global_prefs.ram_max_used_busy_frac;
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} else {
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return host_info.m_nbytes * global_prefs.ram_max_used_idle_frac;
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}
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}
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// max amount that will ever be usable
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//
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double CLIENT_STATE::max_available_ram() {
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return host_info.m_nbytes*std::max(
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global_prefs.ram_max_used_busy_frac, global_prefs.ram_max_used_idle_frac
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);
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}
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RESULT* CLIENT_STATE::lookup_result(PROJECT* p, const char* name) {
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for (unsigned int i=0; i<results.size(); i++) {
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RESULT* rp = results[i];
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if (rp->project == p && !strcmp(name, rp->name)) return rp;
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}
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return 0;
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}
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//////////////// FUNCTIONS WE NEED TO IMPLEMENT /////////////
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ACTIVE_TASK::ACTIVE_TASK() {
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memset(this, 0, sizeof(*this));
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result = NULL;
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wup = NULL;
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app_version = NULL;
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pid = 0;
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slot = 0;
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_task_state = PROCESS_UNINITIALIZED;
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scheduler_state = CPU_SCHED_UNINITIALIZED;
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signal = 0;
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strcpy(slot_dir, "");
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graphics_mode_acked = MODE_UNSUPPORTED;
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graphics_mode_ack_timeout = 0;
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quit_time = 0;
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fraction_done = 0;
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episode_start_cpu_time = 0;
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run_interval_start_wall_time = gstate.now;
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debt_interval_start_cpu_time = 0;
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checkpoint_cpu_time = 0;
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checkpoint_wall_time = 0;
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current_cpu_time = 0;
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have_trickle_down = false;
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send_upload_file_status = false;
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too_large = false;
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want_network = 0;
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}
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int ACTIVE_TASK::suspend() {
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if (task_state() != PROCESS_EXECUTING) {
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msg_printf(0, MSG_INFO, "Internal error: expected process to be executing");
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}
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set_task_state(PROCESS_SUSPENDED, "suspend");
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return 0;
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}
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int ACTIVE_TASK::request_exit() {
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set_task_state(PROCESS_UNINITIALIZED, "request_exit");
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return 0;
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}
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int ACTIVE_TASK::resume_or_start(bool first_time) {
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if (log_flags.task) {
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msg_printf(result->project, MSG_INFO,
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"[task] %s task %s",
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first_time?"Starting":"Resuming", result->name
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);
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}
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set_task_state(PROCESS_EXECUTING, "start");
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char buf[256];
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sprintf(buf, "Starting %s: %f<br>", result->name, cpu_time_left);
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gstate.html_msg += buf;
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return 0;
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}
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int ACTIVE_TASK_SET::get_free_slot(){
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return 0;
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}
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int ACTIVE_TASK::init(RESULT* rp) {
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result = rp;
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wup = rp->wup;
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app_version = rp->avp;
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max_cpu_time = rp->wup->rsc_fpops_bound/gstate.host_info.p_fpops;
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max_disk_usage = rp->wup->rsc_disk_bound;
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max_mem_usage = rp->wup->rsc_memory_bound;
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cpu_time_left = rp->final_cpu_time;
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_task_state = PROCESS_UNINITIALIZED;
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scheduler_state = CPU_SCHED_UNINITIALIZED;
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return 0;
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}
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void CLIENT_STATE::print_project_results(FILE* f) {
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for (unsigned int i=0; i<projects.size(); i++) {
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SIM_PROJECT* p = (SIM_PROJECT*) projects[i];
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p->print_results(f, sim_results);
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}
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}
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//////////////// OTHER
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PROJECT::PROJECT() {
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}
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// http://www.cs.wm.edu/~va/software/park/rvgs.c
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double NORMAL_DIST::sample() {
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const double p0 = 0.322232431088; const double q0 = 0.099348462606;
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const double p1 = 1.0; const double q1 = 0.588581570495;
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const double p2 = 0.342242088547; const double q2 = 0.531103462366;
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const double p3 = 0.204231210245e-1; const double q3 = 0.103537752850;
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const double p4 = 0.453642210148e-4; const double q4 = 0.385607006340e-2;
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double u, t, p, q, z;
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u = drand();
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if (u < 0.5)
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t = sqrt(-2.0 * log(u));
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else
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t = sqrt(-2.0 * log(1.0 - u));
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p = p0 + t * (p1 + t * (p2 + t * (p3 + t * p4)));
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q = q0 + t * (q1 + t * (q2 + t * (q3 + t * q4)));
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if (u < 0.5)
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z = (p / q) - t;
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else
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z = t - (p / q);
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return (mean + stdev * z);
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}
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inline double exponential(double mean) {
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return -mean*log(1-drand());
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}
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bool RANDOM_PROCESS::sample(double t) {
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if (frac==1) return true;
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double diff = t-last_time;
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last_time = t;
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time_left -= diff;
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if (time_left < 0) {
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if (value) {
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time_left += exponential(off_lambda);
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value = false;
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} else {
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time_left += exponential(lambda);
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value = true;
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}
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}
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return value;
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}
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RANDOM_PROCESS::RANDOM_PROCESS() {
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frac = 1;
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}
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void RANDOM_PROCESS::init() {
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value = true;
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time_left = exponential(lambda);
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off_lambda = lambda/frac - lambda;
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}
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int NORMAL_DIST::parse(XML_PARSER& xp, char* end_tag) {
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char tag[256];
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bool is_tag;
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while(!xp.get(tag, sizeof(tag), is_tag)) {
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if (!is_tag) return ERR_XML_PARSE;
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if (xp.parse_double(tag, "mean", mean)) continue;
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else if (xp.parse_double(tag, "stdev", stdev)) continue;
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else if (!strcmp(tag, end_tag)) return 0;
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else {
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printf("unrecognized: %s\n", tag);
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return ERR_XML_PARSE;
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}
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}
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return ERR_XML_PARSE;
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}
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int UNIFORM_DIST::parse(XML_PARSER& xp, char* end_tag) {
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char tag[256];
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bool is_tag;
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while(!xp.get(tag, sizeof(tag), is_tag)) {
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if (!is_tag) return ERR_XML_PARSE;
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if (xp.parse_double(tag, "lo", lo)) continue;
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else if (xp.parse_double(tag, "hi", hi)) continue;
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else if (!strcmp(tag, end_tag)) return 0;
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else {
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printf("unrecognized: %s\n", tag);
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return ERR_XML_PARSE;
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}
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}
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return ERR_XML_PARSE;
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}
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int RANDOM_PROCESS::parse(XML_PARSER& xp, char* end_tag) {
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char tag[256];
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bool is_tag;
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while(!xp.get(tag, sizeof(tag), is_tag)) {
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if (!is_tag) return ERR_XML_PARSE;
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if (xp.parse_double(tag, "frac", frac)) continue;
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else if (xp.parse_double(tag, "lambda", lambda)) continue;
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else if (!strcmp(tag, end_tag)) return 0;
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else {
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printf("unrecognized: %s\n", tag);
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return ERR_XML_PARSE;
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}
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}
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return ERR_XML_PARSE;
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}
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int SIM_PROJECT::parse(XML_PARSER& xp) {
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char tag[256];
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bool is_tag;
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int retval;
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max_infeasible_count = 0;
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while(!xp.get(tag, sizeof(tag), is_tag)) {
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if (!is_tag) return ERR_XML_PARSE;
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if (!strcmp(tag, "/project")) return 0;
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else if (xp.parse_str(tag, "project_name", project_name, sizeof(project_name))) continue;
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else if (!strcmp(tag, "app")) {
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SIM_APP* sap = new SIM_APP;
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retval = sap->parse(xp);
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if (retval) return retval;
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sap->project = this;
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gstate.apps.push_back(sap);
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} else if (!strcmp(tag, "available")) {
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retval = available.parse(xp, "/available");
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if (retval) return retval;
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} else if (xp.parse_double(tag, "resource_share", resource_share)) {
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continue;
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} else if (xp.parse_int(tag, "max_infeasible_count", max_infeasible_count)) {
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continue;
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} else {
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printf("unrecognized: %s\n", tag);
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return ERR_XML_PARSE;
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}
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}
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return ERR_XML_PARSE;
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}
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int SIM_HOST::parse(XML_PARSER& xp) {
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char tag[256];
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bool is_tag;
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int retval;
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p_ncpus = 1;
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connection_interval = 0;
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while(!xp.get(tag, sizeof(tag), is_tag)) {
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if (!is_tag) return ERR_XML_PARSE;
|
|
if (!strcmp(tag, "/host")) return 0;
|
|
else if (xp.parse_double(tag, "p_fpops", p_fpops)) continue;
|
|
else if (xp.parse_double(tag, "m_nbytes", m_nbytes)) continue;
|
|
else if (xp.parse_double(tag, "connection_interval", connection_interval)) continue;
|
|
else if (xp.parse_int(tag, "p_ncpus", p_ncpus)) continue;
|
|
else if (!strcmp(tag, "available")) {
|
|
retval = available.parse(xp, "/available");
|
|
if (retval) return retval;
|
|
available.init();
|
|
} else if (!strcmp(tag, "idle")) {
|
|
retval = idle.parse(xp, "/idle");
|
|
if (retval) return retval;
|
|
idle.init();
|
|
} else {
|
|
printf("unrecognized: %s\n", tag);
|
|
return ERR_XML_PARSE;
|
|
}
|
|
}
|
|
return ERR_XML_PARSE;
|
|
}
|
|
|
|
int CLIENT_STATE::parse_projects(char* name) {
|
|
char tag[256];
|
|
bool is_tag;
|
|
MIOFILE mf;
|
|
int retval, index=0;
|
|
|
|
FILE* f = fopen(name, "r");
|
|
if (!f) return ERR_FOPEN;
|
|
mf.init_file(f);
|
|
XML_PARSER xp(&mf);
|
|
if (!xp.parse_start("projects")) return ERR_XML_PARSE;
|
|
while(!xp.get(tag, sizeof(tag), is_tag)) {
|
|
if (!is_tag) return ERR_XML_PARSE;
|
|
if (!strcmp(tag, "project")) {
|
|
SIM_PROJECT *p = new SIM_PROJECT;
|
|
p->init();
|
|
retval = p->parse(xp);
|
|
if (retval) return retval;
|
|
p->index = index++;
|
|
p->result_index = 0;
|
|
projects.push_back(p);
|
|
} else if (!strcmp(tag, "/projects")) {
|
|
return 0;
|
|
} else {
|
|
printf("unrecognized: %s\n", tag);
|
|
return ERR_XML_PARSE;
|
|
}
|
|
}
|
|
return ERR_XML_PARSE;
|
|
}
|
|
|
|
int CLIENT_STATE::parse_host(char* name) {
|
|
MIOFILE mf;
|
|
|
|
FILE* f = fopen(name, "r");
|
|
if (!f) return ERR_FOPEN;
|
|
mf.init_file(f);
|
|
XML_PARSER xp(&mf);
|
|
if (!xp.parse_start("host")) return ERR_XML_PARSE;
|
|
return host_info.parse(xp);
|
|
}
|
|
|
|
int IP_RESULT::parse(FILE*) {
|
|
return 0;
|
|
}
|