mirror of https://github.com/BOINC/boinc.git
538 lines
19 KiB
C++
538 lines
19 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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// If you change anything, make sure you also change:
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// client_types.C (to write and parse it)
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// client_state.C (to cross-link objects)
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//
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#ifndef _CLIENT_TYPES_
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#define _CLIENT_TYPES_
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#include "cpp.h"
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#if !defined(_WIN32) || defined(__CYGWIN32__)
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#include <stdio.h>
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#include <sys/time.h>
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#endif
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#include "md5_file.h"
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#include "hostinfo.h"
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#include "miofile.h"
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#define P_LOW 1
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#define P_MEDIUM 3
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#define P_HIGH 5
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#define MAX_FILE_INFO_LEN 4096
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#define MAX_SIGNATURE_LEN 4096
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#define MAX_KEY_LEN 4096
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// If the status is neither of these two,
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// it will be an error code defined in error_numbers.h,
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// indicating an unrecoverable error in the upload or download of the file,
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// or that the file was too big and was deleted
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//
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#define FILE_NOT_PRESENT 0
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#define FILE_PRESENT 1
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class FILE_INFO {
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public:
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char name[256];
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char md5_cksum[33];
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double max_nbytes;
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double nbytes;
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double upload_offset;
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bool generated_locally; // file is produced by app
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int status;
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bool executable; // change file protections to make executable
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bool uploaded; // file has been uploaded
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bool upload_when_present;
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bool sticky; // don't delete unless instructed to do so
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bool report_on_rpc; // include this in each scheduler request
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bool marked_for_delete; // server requested delete;
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// if not in use, delete even if sticky is true
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// don't report to server even if report_on_rpc is true
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bool signature_required; // true iff associated with app version
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bool is_user_file;
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bool is_project_file;
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bool is_auto_update_file;
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bool gzip_when_done;
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// for output files: gzip file when done, and append .gz to its name
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class PERS_FILE_XFER* pers_file_xfer;
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// nonzero if in the process of being up/downloaded
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struct RESULT* result; // for upload files (to authenticate)
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class PROJECT* project;
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int ref_cnt;
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std::vector<std::string> urls;
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int start_url;
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int current_url;
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char signed_xml[MAX_FILE_INFO_LEN];
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// if the file_info is signed (for uploadable files)
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// this is the text that is signed
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// Otherwise it is the FILE_INFO's XML descriptor
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// (without enclosing <file_info> tags)
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char xml_signature[MAX_SIGNATURE_LEN];
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// ... and this is the signature
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char file_signature[MAX_SIGNATURE_LEN];
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// if the file itself is signed (for executable files)
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// this is the signature
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std::string error_msg; // if permanent error occurs during file xfer,
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// it's recorded here
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FILE_INFO();
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~FILE_INFO();
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void reset();
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int set_permissions();
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int parse(MIOFILE&, bool from_server);
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int write(MIOFILE&, bool to_server);
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int write_gui(MIOFILE&);
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int delete_file(); // attempt to delete the underlying file
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const char* get_init_url(bool);
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const char* get_next_url(bool);
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const char* get_current_url(bool);
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bool is_correct_url_type(bool, std::string&);
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bool had_failure(int& failnum);
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void failure_message(std::string&);
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int merge_info(FILE_INFO&);
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int verify_file(bool, bool);
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int gzip(); // gzip file and add .gz to name
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};
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// Describes a connection between a file and a workunit, result, or application.
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// In the first two cases,
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// the app will either use open() or fopen() to access the file
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// (in which case "open_name" is the name it will use)
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// or the app will be connected by the given fd (in which case fd is nonzero)
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//
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struct FILE_REF {
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char file_name[256];
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char open_name[256];
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int fd;
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bool main_program;
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FILE_INFO* file_info;
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bool copy_file; // if true, core client will copy the file instead of linking
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bool optional;
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// for output files: app may not generate file;
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// don't treat as error if file is missing.
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int parse(MIOFILE&);
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int write(MIOFILE&);
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};
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// statistics at a specific day
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//
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struct DAILY_STATS {
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double user_total_credit;
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double user_expavg_credit;
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double host_total_credit;
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double host_expavg_credit;
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double day;
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void clear();
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DAILY_STATS() {clear();}
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int parse(FILE*);
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};
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bool operator < (const DAILY_STATS&, const DAILY_STATS&);
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class PROJECT {
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public:
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// the following items come from the account file
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// They are a function only of the user and the project
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//
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char master_url[256]; // url of site that contains scheduler tags
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// for this project
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char authenticator[256]; // user's authenticator on this project
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std::string project_prefs;
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// without the enclosing <project_preferences> tags.
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// May include <venue> elements
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// This field is used only briefly: between handling a
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// scheduler RPC reply and writing the account file
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std::string project_specific_prefs;
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// without enclosing <project_specific> tags
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// Does not include <venue> elements
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std::string gui_urls;
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// GUI URLs, with enclosing <gui_urls> tags
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double resource_share;
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// project's resource share relative to other projects.
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char host_venue[256];
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// logically, this belongs in the client state file
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// rather than the account file.
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// But we need it in the latter in order to parse prefs.
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bool using_venue_specific_prefs;
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// the following items come from client_state.xml
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// They may depend on the host as well as user and project
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// NOTE: if you add anything, add it to copy_state_fields() also!!!
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//
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std::vector<std::string> scheduler_urls;
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// where to find scheduling servers
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char project_name[256]; // descriptive. not unique
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char symstore[256]; // URL of symbol server (Windows)
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char user_name[256];
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char team_name[256];
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char email_hash[MD5_LEN];
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char cross_project_id[MD5_LEN];
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double user_total_credit;
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double user_expavg_credit;
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double user_create_time;
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int hostid;
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double host_total_credit;
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double host_expavg_credit;
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double host_create_time;
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double ams_resource_share;
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// resource share according to AMS; overrides project
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// stuff related to scheduler RPCs and master fetch
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//
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int rpc_seqno;
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int nrpc_failures; // # of consecutive times we've failed to
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// contact all scheduling servers
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int master_fetch_failures;
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double min_rpc_time; // earliest time to contact any server
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// of this project (or zero)
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void set_min_rpc_time(double future_time, const char* reason);
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bool waiting_until_min_rpc_time();
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// returns true if min_rpc_time > now
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bool master_url_fetch_pending;
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// need to fetch and parse the master URL
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int sched_rpc_pending;
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// we need to do a scheduler RPC, for various possible reasons:
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// user request, propagate host CPID, time-based, etc.
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// Reasons are enumerated in scheduler_op.h
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double next_rpc_time;
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// if nonzero, specifies a time when another scheduler RPC
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// should be done (as requested by server)
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bool possibly_backed_off;
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bool trickle_up_pending; // have trickle up to send
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bool tentative;
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// we haven't done a scheduler RPC to this project yet;
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// still need to verify that its name isn't a dup,
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// and that the URL is correct
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double last_rpc_time; // when last RPC finished
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// Other stuff
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bool anonymous_platform; // app_versions.xml file found in project dir;
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// use those apps rather then getting from server
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bool non_cpu_intensive;
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bool verify_files_on_app_start;
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bool send_file_list;
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// send the list of permanent files associated/with the project
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// in the next scheduler reply
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bool suspended_via_gui;
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bool dont_request_more_work;
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// Return work, but don't request more
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// Used for a clean exit to a project,
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// or if a user wants to pause doing work for the project
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bool attached_via_acct_mgr;
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bool detach_when_done;
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// when no results for this project, detach it.
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char code_sign_key[MAX_KEY_LEN];
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std::vector<FILE_REF> user_files;
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std::vector<FILE_REF> project_files;
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// files not specific to apps or work - e.g. icons
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int parse_preferences_for_user_files();
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int parse_project_files(MIOFILE&, bool delete_existing_symlinks);
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void write_project_files(MIOFILE&);
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void link_project_files(bool recreate_symlink_files);
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int write_symlink_for_project_file(FILE_INFO*);
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double project_files_downloaded_time;
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// when last project file download finished
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void update_project_files_downloaded_time();
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// called when a project file download finishes.
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// If it's the last one, set project_files_downloaded_time to now
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// Multiply by this when estimating the CPU time of a result
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// (based on FLOPs estimated and benchmarks).
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// This is dynamically updated in a way that maintains an upper bound.
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// it goes down slowly but if a new estimate X is larger,
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// the factor is set to X.
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//
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double duration_correction_factor;
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double duration_variability;
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void update_duration_correction_factor(RESULT*);
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// fields used by CPU scheduler and work fetch
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// everything from here on applies only to CPU intensive projects
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bool contactable();
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// not suspended and not deferred and not no more work
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bool runnable();
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// has a runnable result
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bool downloading();
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// has a result in downloading state
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bool potentially_runnable();
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// runnable or contactable or downloading
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bool nearly_runnable();
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// runnable or downloading
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bool overworked();
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// the project has used too much CPU time recently
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bool some_download_stalled();
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// a download is backed off
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bool some_result_suspended();
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// temps used in CLIENT_STATE::rr_simulation();
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std::vector<RESULT*>active;
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std::vector<RESULT*>pending;
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double rrsim_proc_rate;
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// fraction of each CPU this project will get in RR simulation
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void set_rrsim_proc_rate(double rrs);
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// set in CLIENT_STATE::rr_misses_deadline();
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double cpu_shortfall;
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int rr_sim_deadlines_missed;
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int deadlines_missed; // used as scratch by scheduler, enforcer
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// "debt" is how much CPU time we owe this project relative to others
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double short_term_debt;
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// computed over runnable projects
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// used for CPU scheduling
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double long_term_debt;
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// Computed over potentially runnable projects
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// (defined for all projects, but doesn't change if
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// not potentially runnable).
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// Normalized so mean over all projects is zero
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double anticipated_debt;
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// expected debt by the end of the preemption period
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double wall_cpu_time_this_debt_interval;
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// how much "wall CPU time" has been devoted to this
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// project in the current debt interval
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struct RESULT *next_runnable_result;
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// the next result to run for this project
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int nuploading_results;
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// number of results in UPLOADING state
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// Don't start new results if these exceeds 2*ncpus.
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double work_request;
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// the unit is "project-normalized CPU seconds",
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// i.e. the work should take 1 CPU on this host
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// X seconds of wall-clock time to complete,
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// taking into account
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// 1) this project's fractional resource share
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// 2) on_frac, active_frac, and cpu_effiency
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// see doc/sched.php
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int work_request_urgency;
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int nresults_returned;
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// # of results being returned in current scheduler op
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const char* get_scheduler_url(int index, double r);
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// get scheduler URL with random offset r
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bool checked;
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// temporary used when scanning projects
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// vars related to file-transfer backoff
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// file_xfer_failures_up: count of consecutive upload failures
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// next_file_xfer_up: when to start trying uploads again
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//
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// if file_xfer_failures_up exceeds FILE_XFER_FAILURE_LIMIT,
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// we switch from a per-file to a project-wide backoff policy
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// (separately for the up/down directions)
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//
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#define FILE_XFER_FAILURE_LIMIT 3
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private:
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int file_xfer_failures_up;
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int file_xfer_failures_down;
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double next_file_xfer_up;
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double next_file_xfer_down;
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public:
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double next_file_xfer_time(const bool);
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void file_xfer_failed(const bool);
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void file_xfer_succeeded(const bool);
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PROJECT();
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~PROJECT(){}
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void init();
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void copy_state_fields(PROJECT&);
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char *get_project_name();
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int write_account_file();
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int parse_account(FILE*);
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int parse_account_file_venue();
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int parse_account_file();
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int parse_state(MIOFILE&);
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int write_state(MIOFILE&, bool gui_rpc=false);
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void attach_failed(int reason);
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// statistic of the last x days
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std::vector<DAILY_STATS> statistics;
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int parse_statistics(MIOFILE&);
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int parse_statistics(FILE*);
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int write_statistics(MIOFILE&, bool gui_rpc=false);
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int write_statistics_file();
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};
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struct APP {
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char name[256];
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char user_friendly_name[256];
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PROJECT* project;
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int parse(MIOFILE&);
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int write(MIOFILE&);
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};
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struct APP_VERSION {
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char app_name[256];
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int version_num;
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APP* app;
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PROJECT* project;
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std::vector<FILE_REF> app_files;
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int ref_cnt;
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int parse(MIOFILE&);
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int write(MIOFILE&);
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bool had_download_failure(int& failnum);
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void get_file_errors(std::string&);
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void clear_errors();
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};
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struct WORKUNIT {
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char name[256];
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char app_name[256];
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int version_num;
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// This isn't sent from the server.
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// Instead, the client picks the latest app version
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std::string command_line;
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//char env_vars[256]; // environment vars in URL format
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std::vector<FILE_REF> input_files;
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PROJECT* project;
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APP* app;
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APP_VERSION* avp;
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int ref_cnt;
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double rsc_fpops_est;
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double rsc_fpops_bound;
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double rsc_memory_bound;
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double rsc_disk_bound;
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int parse(MIOFILE&);
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int write(MIOFILE&);
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bool had_download_failure(int& failnum);
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void get_file_errors(std::string&);
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void clear_errors();
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};
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struct RESULT {
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char name[256];
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char wu_name[256];
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double report_deadline;
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std::vector<FILE_REF> output_files;
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bool ready_to_report;
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// we're ready to report this result to the server;
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// either computation is done and all the files have been uploaded
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// or there was an error
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double completed_time;
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// time when ready_to_report was set
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bool got_server_ack;
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// we're received the ack for this result from the server
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double final_cpu_time;
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double fpops_per_cpu_sec; // nonzero if reported by app
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double fpops_cumulative; // nonzero if reported by app
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double intops_per_cpu_sec; // nonzero if reported by app
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double intops_cumulative; // nonzero if reported by app
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int _state; // state of this result: see lib/result_state.h
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inline int state() { return _state; }
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void set_state(int, const char*);
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int exit_status; // return value from the application
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std::string stderr_out;
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// the concatenation of:
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//
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// - if report_result_error() is called for this result:
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// <message>x</message>
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// <exit_status>x</exit_status>
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// <signal>x</signal>
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// - if called in FILES_DOWNLOADED state:
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// <couldnt_start>x</couldnt_start>
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// - if called in NEW state:
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// <download_error>x</download_error> for each failed download
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// - if called in COMPUTE_DONE state:
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// <upload_error>x</upload_error> for each failed upload
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//
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// - <stderr_txt>X</stderr_txt>, where X is the app's stderr output
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bool suspended_via_gui;
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APP* app;
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WORKUNIT* wup;
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// this may be NULL after result is finished
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PROJECT* project;
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void clear();
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int parse_server(MIOFILE&);
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int parse_state(MIOFILE&);
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int parse_name(FILE*, const char* end_tag);
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int write(MIOFILE&, bool to_server);
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int write_gui(MIOFILE&);
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bool is_upload_done(); // files uploaded?
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void clear_uploaded_flags();
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FILE_REF* lookup_file(FILE_INFO*);
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FILE_INFO* lookup_file_logical(const char*);
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void abort_inactive(int);
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// abort the result if it hasn't started computing yet
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// Called only for results with no active task
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// (otherwise you need to abort the active task)
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// stuff related to CPU scheduling
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double estimated_cpu_time();
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double estimated_cpu_time_uncorrected();
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double estimated_cpu_time_remaining();
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bool computing_done();
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bool runnable();
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// downloaded, not finished, not suspended, project not suspended
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bool nearly_runnable();
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// downloading or downloaded,
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// not finished, suspended, project not suspended
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|
bool downloading();
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|
// downloading, not downloaded, not suspended, project not suspended
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|
bool some_download_stalled();
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|
// some input or app file is downloading, and backed off
|
|
// i.e. it may be a long time before we can run this result
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|
|
|
// temporaries used in CLIENT_STATE::rr_simulation():
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|
double rrsim_cpu_left;
|
|
double rrsim_finish_delay;
|
|
bool already_selected;
|
|
// used to keep cpu scheduler from scheduling a result twice
|
|
// transient; used only within schedule_cpus()
|
|
double computation_deadline();
|
|
// used by the CPU scheduler to determine if there is a cause for
|
|
// a pre-emption of running results.
|
|
bool rr_sim_misses_deadline;
|
|
bool last_rr_sim_missed_deadline;
|
|
|
|
// temporary used to tell GUI that this result is deadline-scheduled
|
|
bool edf_scheduled;
|
|
};
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|
|
|
// represents an always/auto/never value, possibly temporarily overridden
|
|
//
|
|
class MODE {
|
|
private:
|
|
int perm_mode;
|
|
int temp_mode;
|
|
double temp_timeout;
|
|
public:
|
|
MODE();
|
|
void set(int mode, double duration);
|
|
int get_perm();
|
|
int get_current();
|
|
double delay();
|
|
};
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|
|
|
#endif
|