mirror of https://github.com/djcb/mu.git
153 lines
4.6 KiB
C++
153 lines
4.6 KiB
C++
/*
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** Copyright (C) 2008-2020 Dirk-Jan C. Binnema <djcb@djcbsoftware.nl>
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**
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** This program is free software; you can redistribute it and/or modify it
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** under the terms of the GNU General Public License as published by the
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** Free Software Foundation; either version 3, or (at your option) any
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** later version.
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**
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** This program 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. See the
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** GNU General Public License for more details.
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**
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** You should have received a copy of the GNU General Public License
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** along with this program; if not, write to the Free Software Foundation,
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** Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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**
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*/
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#include "config.h"
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#include "mu-cmd.hh"
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#include <chrono>
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#include <thread>
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#include <atomic>
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#include <errno.h>
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#include <string.h>
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#include <stdio.h>
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#include <signal.h>
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#include <unistd.h>
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#include "mu-msg.hh"
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#include "index/mu-indexer.hh"
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#include "mu-store.hh"
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#include "mu-runtime.hh"
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#include "utils/mu-util.h"
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using namespace Mu;
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static std::atomic<bool> CaughtSignal{};
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static void
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install_sig_handler (void)
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{
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struct sigaction action;
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int i, sigs[] = { SIGINT, SIGHUP, SIGTERM };
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sigemptyset(&action.sa_mask);
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action.sa_flags = SA_RESETHAND;
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action.sa_handler = [](int sig) {
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if (!CaughtSignal && sig == SIGINT) /* Ctrl-C */
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g_print ("\nshutting down gracefully, "
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"press again to kill immediately");
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CaughtSignal = true;
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};
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for (i = 0; i != G_N_ELEMENTS(sigs); ++i)
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if (sigaction (sigs[i], &action, NULL) != 0)
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g_critical ("set sigaction for %d failed: %s",
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sigs[i], strerror (errno));;
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}
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static void
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print_stats (const Indexer::Progress& stats, bool color)
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{
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const char *kars = "-\\|/";
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static auto i = 0U;
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MaybeAnsi col{color};
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using Color = MaybeAnsi::Color;
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std::cout << col.fg(Color::Yellow) << kars[++i % 4] << col.reset()
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<< " indexing messages; "
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<< "processed: " << col.fg(Color::Green) << stats.processed << col.reset()
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<< "; updated/new: " << col.fg(Color::Green) << stats.updated << col.reset()
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<< "; cleaned-up: " << col.fg(Color::Green) << stats.removed << col.reset();
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}
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MuError
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Mu::mu_cmd_index (Mu::Store& store, const MuConfig *opts, GError **err)
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{
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g_return_val_if_fail (opts, MU_ERROR);
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g_return_val_if_fail (opts->cmd == MU_CONFIG_CMD_INDEX, MU_ERROR);
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/* param[0] == 'index' there should be no param[1] */
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if (opts->params[1]) {
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mu_util_g_set_error (err, MU_ERROR_IN_PARAMETERS,
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"unexpected parameter");
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return MU_ERROR;
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}
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if (opts->max_msg_size < 0) {
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mu_util_g_set_error (err, MU_ERROR_IN_PARAMETERS,
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"the maximum message size must be >= 0");
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return MU_ERROR;
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}
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const auto mdir{store.metadata().root_maildir};
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if (G_UNLIKELY(access (mdir.c_str(), R_OK) != 0)) {
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mu_util_g_set_error(err, MU_ERROR_FILE,
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"'%s' is not readable: %s", mdir.c_str(), strerror (errno));
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return MU_ERROR;
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}
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MaybeAnsi col{!opts->nocolor};
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using Color = MaybeAnsi::Color;
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if (!opts->quiet) {
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if (opts->lazycheck)
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std::cout << "lazily ";
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std::cout << "indexing maildir "
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<< col.fg(Color::Green) << store.metadata().root_maildir
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<< col.reset()
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<< " -> store "
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<< col.fg(Color::Green) << store.metadata().database_path
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<< col.reset()
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<< std::endl;
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}
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Mu::Indexer::Config conf{};
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conf.cleanup = !opts->nocleanup;
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conf.lazy_check = opts->lazycheck;
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install_sig_handler ();
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auto& indexer{store.indexer()};
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indexer.start(conf);
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while (!CaughtSignal && indexer.is_running()) {
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if (!opts->quiet)
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print_stats (indexer.progress(), !opts->nocolor);
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std::this_thread::sleep_for(std::chrono::milliseconds(250));
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if (!opts->quiet) {
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std::cout << "\r";
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std::cout.flush();
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}
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}
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store.indexer().stop();
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if (!opts->quiet) {
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print_stats (store.indexer().progress(), !opts->nocolor);
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std::cout << std::endl;
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}
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return MU_OK;
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}
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