boinc/client/client_types.h

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// Berkeley Open Infrastructure for Network Computing
// http://boinc.berkeley.edu
// Copyright (C) 2005 University of California
//
// This 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 2.1 of the License, or (at your option) any later version.
//
// This software 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.
//
// To view the GNU Lesser General Public License visit
// http://www.gnu.org/copyleft/lesser.html
// or write to the Free Software Foundation, Inc.,
// 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
// If you change anything, make sure you also change:
// client_types.C (to write and parse it)
// client_state.C (to cross-link objects)
//
#ifndef _CLIENT_TYPES_
#define _CLIENT_TYPES_
#include "cpp.h"
#ifndef _WIN32
#include <stdio.h>
#include <sys/time.h>
#endif
#include "md5_file.h"
#include "hostinfo.h"
#include "miofile.h"
#include "result_state.h"
#define MAX_BLOB_LEN 4096
#define P_LOW 1
#define P_MEDIUM 3
#define P_HIGH 5
struct STRING256 {
char text[256];
};
// If the status is neither of these two,
// it will be an error code defined in error_numbers.h,
// indicating an unrecoverable error in the upload or download of the file,
// or that the file was too big and was deleted
//
#define FILE_NOT_PRESENT 0
#define FILE_PRESENT 1
class FILE_INFO {
public:
char name[256];
char md5_cksum[33];
double max_nbytes;
double nbytes;
double upload_offset;
bool generated_locally; // file is produced by app
int status;
bool executable; // change file protections to make executable
bool uploaded; // file has been uploaded
bool upload_when_present;
bool sticky; // don't delete unless instructed to do so
bool report_on_rpc; // include this in each scheduler request
bool signature_required; // true iff associated with app version
bool is_user_file;
class PERS_FILE_XFER* pers_file_xfer; // nonzero if in the process of being up/downloaded
struct RESULT* result; // for upload files (to authenticate)
class PROJECT* project;
int ref_cnt;
std::vector<STRING256> urls;
int start_url;
int current_url;
char signed_xml[MAX_BLOB_LEN];
// if the file_info is signed (for uploadable files)
// this is the text that is signed
// Otherwise it is the FILE_INFO's XML descriptor
// (without enclosing <file_info> tags)
char xml_signature[MAX_BLOB_LEN];
// ... and this is the signature
char file_signature[MAX_BLOB_LEN];
// if the file itself is signed (for executable files)
// this is the signature
#if 0
int priority;
double time_last_used; // time of last use of FILE_INFO, update during parsing, writing, or application usage
double exp_date;
#endif
std::string error_msg; // if permanent error occurs during file xfer,
// it's recorded here
FILE_INFO();
~FILE_INFO();
void reset();
int set_permissions();
int parse(MIOFILE&, bool from_server);
int write(MIOFILE&, bool to_server);
int write_gui(MIOFILE&);
int delete_file(); // attempt to delete the underlying file
char* get_init_url(bool);
char* get_next_url(bool);
char* get_current_url(bool);
bool is_correct_url_type(bool, STRING256);
bool had_failure(int& failnum, char* buf=0);
bool verify_existing_file();
int merge_info(FILE_INFO&);
int verify_downloaded_file();
int update_time(); // updates time last used to the current time
};
// Describes a connection between a file and a workunit, result, or application.
// In the first two cases,
// the app will either use open() or fopen() to access the file
// (in which case "open_name" is the name it will use)
// or the app will be connected by the given fd (in which case fd is nonzero)
//
struct FILE_REF {
char file_name[256];
char open_name[256];
int fd;
bool main_program;
FILE_INFO* file_info;
bool copy_file; // if true, core client will copy the file instead of linking
int parse(MIOFILE&);
int write(MIOFILE&);
};
class PROJECT {
public:
// the following items come from the account file
// They are a function only of the user and the project
//
char master_url[256]; // url of site that contains scheduler tags
// for this project
char authenticator[256]; // user's authenticator on this project
#if 0
// deletion policy, least recently used
bool deletion_policy_priority; // deletion policy, priority of files
bool deletion_policy_expire; // deletion policy, delete expired files first
double share_size; // size allocated by the resource share
// used for enforcement of boundaries but isn't one itself
double size; // the total size of all the files in all subfolder
// of the project
#endif
std::string project_prefs;
// without the enclosing <project_preferences> tags.
// May include <venue> elements
// This field is used only briefly: between handling a
// scheduler RPC reply and writing the account file
std::string project_specific_prefs;
// without enclosing <project_specific> tags
// Does not include <venue> elements
std::string gui_urls;
// GUI URLs, with enclosing <gui_urls> tags
double resource_share;
// project's resource share relative to other projects.
char host_venue[256];
// the following items come from client_state.xml
// They may depend on the host as well as user and project
// NOTE: if you add anything, add it to copy_state_fields() also!!!
//
std::vector<STRING256> scheduler_urls; // where to find scheduling servers
char project_name[256]; // descriptive. not unique
char user_name[256];
char team_name[256];
char email_hash[MD5_LEN];
char cross_project_id[MD5_LEN];
double user_total_credit; // as reported by server
double user_expavg_credit; // as reported by server
double user_create_time; // as reported by server
int rpc_seqno;
int hostid;
double host_total_credit; // as reported by server
double host_expavg_credit; // as reported by server
double host_create_time; // as reported by server
double exp_avg_cpu; // exponentially weighted CPU time
double exp_avg_mod_time; // last time average was changed
int nrpc_failures; // # of consecutive times we've failed to
// contact all scheduling servers
int master_fetch_failures;
double min_rpc_time; // earliest time to contact any server
// of this project (or zero)
double min_report_min_rpc_time; // when to next report on min_rpc_time
// (or zero)
bool master_url_fetch_pending;
// need to fetch and parse the master URL
bool sched_rpc_pending; // contact scheduling server for preferences
bool tentative; // master URL and account ID not confirmed
bool anonymous_platform; // app_versions.xml file found in project dir;
// use those apps rather then getting from server
bool non_cpu_intensive;
bool send_file_list;
// send the list of permanent files associated/with the project
// in the next scheduler reply
bool suspended_via_gui;
bool dont_request_more_work;
// set the project to only return work and not request more
// for a clean exit to a project, or if a user wants to
// pause doing work for the project
char code_sign_key[MAX_BLOB_LEN];
std::vector<FILE_REF> user_files;
int parse_preferences_for_user_files();
// the following fields used by CPU scheduler
double debt; // how much CPU time we owe this project (secs)
// the following items are transient; not saved in state file
double anticipated_debt; // expected debt by the end of the preemption period
double work_done_this_period; // how much CPU time has been devoted to this
// project in the current period (secs)
struct RESULT *next_runnable_result; // the next result to run for this project
// the following used by work-fetch algorithm
double work_request; // how much work a project needs (secs)
#if 0
// used in disk-space management (temp)
bool checked;
#endif
PROJECT();
~PROJECT();
void init();
void copy_state_fields(PROJECT&);
char *get_project_name();
int write_account_file();
int parse_account(FILE*);
int parse_account_file();
int parse_state(MIOFILE&);
int write_state(MIOFILE&, bool gui_rpc=false);
#if 0
bool associate_file(FILE_INFO*);
#endif
// set min_rpc_time and have_reported_min_rpc_time
void set_min_rpc_time(double future_time);
// returns true if min_rpc_time > now; may print a message
bool waiting_until_min_rpc_time(double now);
};
struct APP {
char name[256];
PROJECT* project;
int parse(MIOFILE&);
int write(MIOFILE&);
};
struct APP_VERSION {
char app_name[256];
int version_num;
APP* app;
PROJECT* project;
std::vector<FILE_REF> app_files;
int ref_cnt;
int parse(MIOFILE&);
int write(MIOFILE&);
bool had_download_failure(int& failnum);
void get_file_errors(std::string&);
void clear_errors();
};
struct WORKUNIT {
char name[256];
char app_name[256];
int version_num;
// This isn't sent from the server.
// Instead, the client picks the latest app version
std::string command_line;
//char env_vars[256]; // environment vars in URL format
std::vector<FILE_REF> input_files;
PROJECT* project;
APP* app;
APP_VERSION* avp;
int ref_cnt;
double rsc_fpops_est;
double rsc_fpops_bound;
double rsc_memory_bound;
double rsc_disk_bound;
int parse(MIOFILE&);
int write(MIOFILE&);
bool had_download_failure(int& failnum);
void get_file_errors(std::string&);
void clear_errors();
};
struct RESULT {
char name[256];
char wu_name[256];
double report_deadline;
std::vector<FILE_REF> output_files;
bool ready_to_report;
// we're ready to report this result to the server;
// either computation is done and all the files have been uploaded
// or there was an error
bool got_server_ack;
// we're received the ack for this result from the server
double final_cpu_time;
int state; // state of this result: see lib/result_state.h
int exit_status; // return value from the application
std::string stderr_out;
// the concatenation of:
//
// - if report_result_error() is called for this result:
// <message>x</message>
// <exit_status>x</exit_status>
// <signal>x</signal>
// - if called in FILES_DOWNLOADED state:
// <couldnt_start>x</couldnt_start>
// - if called in NEW state:
// <download_error>x</download_error> for each failed download
// - if called in COMPUTE_DONE state:
// <upload_error>x</upload_error> for each failed upload
//
// - <stderr_txt>X</stderr_txt>, where X is the app's stderr output
bool suspended_via_gui;
bool aborted_via_gui;
APP* app;
WORKUNIT* wup;
// this may be NULL after result is finished
PROJECT* project;
bool already_selected;
// used to keep cpu scheduler from scheduling a result twice
// transient; used only within schedule_cpus()
void clear();
int parse_server(MIOFILE&);
int parse_state(MIOFILE&);
int parse_ack(FILE*);
int write(MIOFILE&, bool to_server);
int write_gui(MIOFILE&);
bool is_upload_done(); // files uploaded?
void get_app_version_string(std::string&);
void reset_files();
double estimated_cpu_time();
double estimated_cpu_time_remaining();
};
int verify_downloaded_file(char* pathname, FILE_INFO& file_info);
#endif