boinc/client/client_msgs.cpp

// This file is part of BOINC.
// http://boinc.berkeley.edu
// Copyright (C) 2008 University of California
//
// BOINC is free software; you can redistribute it and/or modify it
// under the terms of the GNU Lesser General Public License
// as published by the Free Software Foundation,
// either version 3 of the License, or (at your option) any later version.
//
// BOINC is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
// See the GNU Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public License
// along with BOINC.  If not, see <http://www.gnu.org/licenses/>.

#ifdef _WIN32
#include "boinc_win.h"
#else
#include "config.h"
#include <cstdarg>
#include <cstring>
#include <deque>
#endif
#include "str_util.h"

using std::deque;

#include "log_flags.h"
#include "client_types.h"
#include "client_msgs.h"

#define MAX_SAVED_MESSAGES 2000

// a cache of MAX_SAVED_MESSAGES most recent messages,
// stored in newest-first order
//
deque<MESSAGE_DESC*> message_descs;

// Takes a printf style formatted string, inserts the proper values,
// and passes it to show_message
// TODO: add translation functionality
//
void msg_printf(PROJECT *p, int priority, const char *fmt, ...) {
    char        buf[8192];  // output can be much longer than format
    va_list     ap;

    if (fmt == NULL) return;

    va_start(ap, fmt);
    vsnprintf(buf, sizeof(buf), fmt, ap);
    buf[sizeof(buf)-1] = 0;
    va_end(ap);

    show_message(p, buf, priority);
}

// add message to cache, and delete old messages if cache too big
//
void record_message(PROJECT* p, int priority, int now, char* message) {
    MESSAGE_DESC* mdp = new MESSAGE_DESC;
    static int seqno = 1;
    strcpy(mdp->project_name, "");
    if (p) {
        strlcpy(
            mdp->project_name, p->get_project_name(), sizeof(mdp->project_name)
        );
    }
    mdp->priority = priority;
    mdp->timestamp = now;
    mdp->seqno = seqno++;
    mdp->message = message;
    while (message_descs.size() > MAX_SAVED_MESSAGES) {
        delete message_descs.back();
        message_descs.pop_back();
    }
    message_descs.push_front(mdp);
}

const char *BOINC_RCSID_9572274f4f = "$Id$";