mirror of https://github.com/BOINC/boinc.git
74 lines
2.2 KiB
C
74 lines
2.2 KiB
C
// The contents of this file are subject to the Mozilla Public License
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// Version 1.0 (the "License"); you may not use this file except in
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// compliance with the License. You may obtain a copy of the License at
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// http://www.mozilla.org/MPL/
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//
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// Software distributed under the License is distributed on an "AS IS"
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// basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See the
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// License for the specific language governing rights and limitations
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// under the License.
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//
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// The Original Code is the Berkeley Open Network Computing.
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//
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// The Initial Developer of the Original Code is the SETI@home project.
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// Portions created by the SETI@home project are Copyright (C) 2002
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// University of California at Berkeley. All Rights Reserved.
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//
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// Contributor(s):
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//
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// PERS_FILE_XFER represents a persistent file transfer.
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// A set of URL is given.
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// For download, the object attempts to download the file
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// from any of the URLs.
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// If one fails or is not available, try another,
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// using an exponential backoff policy to avoid flooding servers.
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// For upload, try to upload the file to the first URL;
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// if that fails try the others.
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int PERS_FILE_XFER::init(FILE_INFO&, bool is_upload) {
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}
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//
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void PERS_FILE_XFER::try() {
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}
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void PERS_FILE_XFER::poll(unsigned int now) {
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if (fxp) {
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if (fxp->file_xfer_done) {
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if (fxp->file_xfer_retval == 0) {
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} else {
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// file xfer failed.
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// See if it's time to give up on the persistent file xfer
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//
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diff = now - fip->last_xfer_time;
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if (diff > PERS_GIVEUP) {
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pers_xfer_done = true;
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pers_file_xfer_retval = ERR_GIVEUP;
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}
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}
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}
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} else {
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// No file xfer is active.
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// We must be waiting after a failure.
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// See if it's time to try again.
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//
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if (now > retry_time) {
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try();
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}
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}
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}
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int PERS_FILE_XFER_SET::poll() {
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unsigned int ;
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PERS_FILE_XFER* pfxp;
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bool action = false;
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int now = time(0);
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for (i=0; i<pers_file_xfers.size(); i++) {
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pers_file_xfers[i]->poll(now);
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}
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}
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