mirror of https://github.com/BOINC/boinc.git
73 lines
2.2 KiB
C++
73 lines
2.2 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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#ifndef _FILE_XFER_
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#define _FILE_XFER_
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// A FILE_XFER object represents a file transfer "episode"
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// (see pers_file_xfer.h), i.e. an HTTP transaction with a
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// particular data server.
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//
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#include "client_types.h"
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#include "http_curl.h"
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#define MIN_DOWNLOAD_INCREMENT 5000
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#define FILE_SIZE_CHECK_THRESHOLD 8192
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// upload: skip file size check if file is smaller than this
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class FILE_XFER : public HTTP_OP {
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public:
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FILE_INFO* fip;
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char pathname[256];
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char header[4096];
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bool file_size_query;
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bool is_upload;
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/// File size at start of transfer, used for:
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/// 1) a "minimum download increment"
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/// that rejects partial downloads of less than 5K,
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/// since these may be error messages from proxies.
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/// 2) lets us recover when server ignored Range request
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/// and sent us whole file
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double starting_size;
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FILE_XFER();
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~FILE_XFER();
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int parse_upload_response(double &offset);
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int init_download(FILE_INFO&);
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int init_upload(FILE_INFO&);
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bool file_xfer_done;
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int file_xfer_retval;
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};
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class FILE_XFER_SET {
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HTTP_OP_SET* http_ops;
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public:
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/// has there been transfer activity since last call to check_active()?
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bool up_active, down_active;
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std::vector<FILE_XFER*> file_xfers;
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FILE_XFER_SET(HTTP_OP_SET*);
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int insert(FILE_XFER*);
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int remove(FILE_XFER*);
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bool poll();
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void check_active(bool&, bool&);
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void set_bandwidth_limits(bool is_upload);
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};
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#endif
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