cs_files.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/>.

// The "policy" part of file transfer is here.
// The "mechanism" part is in pers_file_xfer.C and file_xfer.C
//

#include "cpp.h"

#ifdef _WIN32
#include "boinc_win.h"
#else
#include "config.h"
#include <cassert>
#include <sys/stat.h>
#include <sys/types.h>
#endif

#include "md5_file.h"
#include "crypt.h"
#include "str_util.h"
#include "filesys.h"
#include "cert_sig.h"
#include "error_numbers.h"

#include "file_names.h"
#include "client_types.h"
#include "client_state.h"
#include "client_msgs.h"
#include "file_xfer.h"

using std::vector;

// Decide whether to consider starting a new file transfer
//
bool CLIENT_STATE::start_new_file_xfer(PERS_FILE_XFER& pfx) {
    unsigned int i;
    int ntotal=0, nproj=0;

    if (network_suspended) return false;
    if (file_xfers_suspended) return false;


    // limit the number of file transfers per project
    // (uploads and downloads are limited separately)
    //
    for (i=0; i<file_xfers->file_xfers.size(); i++) {
        FILE_XFER* fxp = file_xfers->file_xfers[i];
        if (pfx.is_upload == fxp->is_upload) {
            ntotal++;
            if (pfx.fip->project == fxp->fip->project) {
                nproj++;
            }
        }
    }
    if (nproj >= config.max_file_xfers_per_project) return false;