mirror of https://github.com/BOINC/boinc.git
109 lines
3.3 KiB
C++
109 lines
3.3 KiB
C++
// Berkeley Open Infrastructure for Network Computing
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// http://boinc.berkeley.edu
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// Copyright (C) 2005 University of California
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//
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// This is free software; you can redistribute it and/or
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// modify it under the terms of the GNU Lesser General Public
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// License as published by the Free Software Foundation;
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// either version 2.1 of the License, or (at your option) any later version.
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//
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// This software 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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// To view the GNU Lesser General Public License visit
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// http://www.gnu.org/copyleft/lesser.html
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// or write to the Free Software Foundation, Inc.,
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// 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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// keep track of the network performance of this host,
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// namely exponentially weighted averages of upload and download speeds
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//
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#ifndef _NET_STATS_
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#define _NET_STATS_
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#ifndef _WIN32
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#include <cstdio>
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#endif
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#include "miofile.h"
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// there's one of these each for upload and download
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//
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struct NET_INFO {
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double delta_t; // elapsed time of file transfer activity
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// in this session of client
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double delta_nbytes; // bytes transferred in this session
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double last_bytes;
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double starting_throughput; // throughput at start of session
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void update(double dt, double nb, bool active);
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double throughput();
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};
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class NET_STATS {
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public:
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double last_time;
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NET_INFO up;
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NET_INFO down;
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NET_STATS();
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void poll(FILE_XFER_SET&, HTTP_OP_SET&);
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int write(MIOFILE&);
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int parse(MIOFILE&);
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};
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class NET_STATUS {
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public:
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bool need_physical_connection;
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// client wants to do network comm and no physical connection exists.
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// Initially false; set whenever a Curl operation
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// returns CURLE_COULDNT_RESOLVE_HOST,
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// and a subsequent request to a highly-available site
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// also returns CURLE_COULDNT_RESOLVE_HOST.
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// cleared whenever we transfer data,
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// or an operation returns some other value
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//
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bool have_sporadic_connection;
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// we have a network connection, but it's likely to go away soon,
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// so do as much network comm as possible
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// (e.g. report completed results)
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//
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bool need_to_contact_reference_site;
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// contact the reference site as soon as GUI_HTTP is idle
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// polled from NET_STATS::poll(), for want of a better place
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double last_comm_time;
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int network_status();
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void network_available();
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void got_http_error();
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void contact_reference_site();
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NET_STATUS() {
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need_physical_connection = false;
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have_sporadic_connection = false;
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need_to_contact_reference_site = false;
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last_comm_time = 0;
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}
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};
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// This is used to access a reference website (like yahoo or google)
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// that is assumed to be 100% available.
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// It is used ONLY from the HTTP code, when a transaction fails
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//
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struct LOOKUP_WEBSITE_OP: public GUI_HTTP_OP {
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int error_num;
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virtual ~LOOKUP_WEBSITE_OP(){}
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int do_rpc(std::string&);
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virtual void handle_reply(int http_op_retval);
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LOOKUP_WEBSITE_OP(){
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error_num = BOINC_SUCCESS;
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}
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};
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extern NET_STATUS net_status;
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#endif
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