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boinc/client/client_types.h

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// This file is part of BOINC.
// http://boinc.berkeley.edu
// Copyright (C) 2008 University of California
//
// BOINC 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 3 of the License, or (at your option) any later version.
//
// BOINC 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.
//
// You should have received a copy of the GNU Lesser General Public License
// along with BOINC. If not, see <http://www.gnu.org/licenses/>.
// 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"
#if !defined(_WIN32) || defined(__CYGWIN32__)
#include <cstdio>
#include <sys/time.h>
#endif
#include "md5_file.h"
#include "cert_sig.h"
#include "hostinfo.h"
#include "coproc.h"
#include "miofile.h"
#include "common_defs.h"
#include "rr_sim.h"
#include "work_fetch.h"
#include "cs_notice.h"
#define MAX_FILE_INFO_LEN 4096
#define MAX_SIGNATURE_LEN 4096
#define MAX_KEY_LEN 4096
#define MAX_COPROCS_PER_JOB 8
// 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
struct FILE_INFO {
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
/// if not in use, delete even if sticky is true
/// don't report to server even if report_on_rpc is true
bool marked_for_delete; // server requested delete;
bool signature_required; // true iff associated with app version
bool is_user_file;
bool is_project_file;
bool is_auto_update_file;
/// for output files: gzip file when done, and append .gz to its name
bool gzip_when_done;
/// nonzero if in the process of being up/downloaded
class PERS_FILE_XFER* pers_file_xfer;
/// for upload files (to authenticate)
RESULT* result;
PROJECT* project;
int ref_cnt;
std::vector<std::string> urls;
int start_url;
int current_url;
/// 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 signed_xml[MAX_FILE_INFO_LEN];
/// ... and this is the signature
char xml_signature[MAX_SIGNATURE_LEN];
/// if the file itself is signed (for executable files)
/// this is the signature
char file_signature[MAX_SIGNATURE_LEN];
/// if permanent error occurs during file xfer, it's recorded here
std::string error_msg;
CERT_SIGS* cert_sigs;
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&);
/// attempt to delete the underlying file
int delete_file();
const char* get_init_url();
const char* get_next_url();
const char* get_current_url();
bool had_failure(int& failnum);
void failure_message(std::string&);
int merge_info(FILE_INFO&);
int verify_file(bool, bool);
bool verify_file_certs();
/// gzip file and add .gz to name
int gzip();
};
/// 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 {
/// physical name
char file_name[256];
/// logical name
char open_name[256];
bool main_program;
FILE_INFO* file_info;
/// if true, core client will copy the file instead of linking
bool copy_file;
/// for output files: app may not generate file;
/// don't treat as error if file is missing.
bool optional;
int parse(MIOFILE&);
int write(MIOFILE&);
};
// file xfer backoff state for a project and direction (up/down)
// if file_xfer_failures exceeds FILE_XFER_FAILURE_LIMIT,
// we switch from a per-file to a project-wide backoff policy
// (separately for the up/down directions)
// NOTE: this refers to transient failures, not permanent.
//
#define FILE_XFER_FAILURE_LIMIT 3
struct FILE_XFER_BACKOFF {
int file_xfer_failures;
// count of consecutive failures
double next_xfer_time;
// when to start trying again
bool ok_to_transfer();
void file_xfer_failed(PROJECT*);
void file_xfer_succeeded();
FILE_XFER_BACKOFF() {
file_xfer_failures = 0;
next_xfer_time = 0;
}
};
/// statistics at a specific day
struct DAILY_STATS {
double user_total_credit;
double user_expavg_credit;
double host_total_credit;
double host_expavg_credit;
double day;
void clear();
DAILY_STATS() {clear();}
int parse(FILE*);
};
bool operator < (const DAILY_STATS&, const DAILY_STATS&);
struct PROJECT {
// the following items come from the account file
// They are a function only of the user and the project
//
/// url of site that contains scheduler tags for this project
char master_url[256];
/// user's authenticator on this project
char authenticator[256];
/// 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_prefs;
/// without enclosing <project_specific> tags
/// Does not include <venue> elements
std::string project_specific_prefs;
/// GUI URLs, with enclosing <gui_urls> tags
std::string gui_urls;
/// project's resource share relative to other projects.
double resource_share;
// the following are the user's project prefs
bool no_cpu_pref;
bool no_cuda_pref;
bool no_ati_pref;
// the following are from the project itself
bool no_cpu_apps;
bool no_cuda_apps;
bool no_ati_apps;
// the following set dynamically
bool cuda_low_mem;
bool ati_low_mem;
/// logically, this belongs in the client state file
/// rather than the account file.
/// But we need it in the latter in order to parse prefs.
char host_venue[256];
bool using_venue_specific_prefs;
// 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!!!
//
/// where to find scheduling servers
std::vector<std::string> scheduler_urls;
/// descriptive. not unique
char project_name[256];
/// URL of symbol server (Windows)
char symstore[256];
char user_name[256];
char team_name[256];
char email_hash[MD5_LEN];
char cross_project_id[MD5_LEN];
double cpid_time;
double user_total_credit;
double user_expavg_credit;
double user_create_time;
int hostid;
double host_total_credit;
double host_expavg_credit;
double host_create_time;
double ams_resource_share;
// resource share according to AMS; overrides project
// -1 means not specified by AMS
// stuff related to scheduler RPCs and master fetch
//
int rpc_seqno;
/// # of consecutive times we've failed to contact all scheduling servers
int nrpc_failures;
int master_fetch_failures;
/// earliest time to contact any server of this project (or zero)
double min_rpc_time;
void set_min_rpc_time(double future_time, const char* reason);
/// if nonzero, specifies a time when another scheduler RPC
/// should be done (as requested by server).
/// An RPC could be done sooner than this.
double next_rpc_time;
/// returns true if min_rpc_time > now
bool waiting_until_min_rpc_time();
/// need to fetch and parse the master URL
bool master_url_fetch_pending;
/// we need to do a scheduler RPC, for various possible reasons:
/// user request, propagate host CPID, time-based, etc.
/// Reasons are enumerated in scheduler_op.h
int sched_rpc_pending;
/// we need to call request_work_fetch() when a project
/// transitions from being backed off to not.
/// This (slightly misnamed) keeps track of whether this
/// may still need to be done for given project
bool possibly_backed_off;
/// have trickle up to send
bool trickle_up_pending;
/// when last RPC finished
double last_rpc_time;
// Other stuff
/// app_versions.xml file found in project dir;
/// use those apps rather then getting from server
bool anonymous_platform;
bool non_cpu_intensive;
bool verify_files_on_app_start;
bool use_symlinks;
// items send in scheduler replies, requesting that
// various things be sent in the next request
//
/// send the list of permanent files associated with the project
/// in the next scheduler reply
bool send_file_list;
/// if nonzero, send time stats log from that point on
int send_time_stats_log;
/// if nonzero, send this project's job log from that point on
int send_job_log;
bool suspended_via_gui;
/// Return work, but don't request more
/// Used for a clean exit to a project,
/// or if a user wants to pause doing work for the project
bool dont_request_more_work;
bool attached_via_acct_mgr;
/// when no results for this project, detach it.
bool detach_when_done;
/// project has ended; advise user to detach
bool ended;
char code_sign_key[MAX_KEY_LEN];
std::vector<FILE_REF> user_files;
/// files not specific to apps or work - e.g. icons
std::vector<FILE_REF> project_files;
int parse_preferences_for_user_files();
int parse_project_files(MIOFILE&, bool delete_existing_symlinks);
void write_project_files(MIOFILE&);
void link_project_files(bool recreate_symlink_files);
int write_symlink_for_project_file(FILE_INFO*);
/// when last project file download finished
double project_files_downloaded_time;
/// called when a project file download finishes.
/// If it's the last one, set project_files_downloaded_time to now
void update_project_files_downloaded_time();
/// Multiply by this when estimating the CPU time of a result
/// (based on FLOPs estimated and benchmarks).
/// This is dynamically updated in a way that maintains an upper bound.
/// it goes down slowly but if a new estimate X is larger,
/// the factor is set to X.
double duration_correction_factor;
void update_duration_correction_factor(ACTIVE_TASK*);
// fields used by CPU scheduler and work fetch
// everything from here on applies only to CPU intensive projects
/// not suspended and not deferred and not no more work
bool can_request_work();
/// has a runnable result using the given resource type
bool runnable(int rsc_type);
/// has a result in downloading state
bool downloading();
/// runnable or contactable or downloading
bool potentially_runnable();
/// runnable or downloading
bool nearly_runnable();
/// the project has used too much CPU time recently
bool overworked();
/// a download is backed off
bool some_download_stalled();
bool some_result_suspended();
RR_SIM_PROJECT_STATUS rr_sim_status;
// temps used in CLIENT_STATE::rr_simulation();
/// the next result to run for this project
struct RESULT *next_runnable_result;
/// number of results in UPLOADING state
/// Don't start new results if these exceeds 2*ncpus.
int nuploading_results;
bool too_many_uploading_results;
// stuff related to work fetch
//
RSC_PROJECT_WORK_FETCH cpu_pwf;
RSC_PROJECT_WORK_FETCH cuda_pwf;
RSC_PROJECT_WORK_FETCH ati_pwf;
PROJECT_WORK_FETCH pwf;
inline void reset() {
cpu_pwf.reset();
cuda_pwf.reset();
ati_pwf.reset();
}
inline int deadlines_missed(int rsc_type) {
switch(rsc_type) {
case RSC_TYPE_CUDA: return cuda_pwf.deadlines_missed;
case RSC_TYPE_ATI: return ati_pwf.deadlines_missed;
}
return cpu_pwf.deadlines_missed;
}
/// # of results being returned in current scheduler op
int nresults_returned;
/// get scheduler URL with random offset r
const char* get_scheduler_url(int index, double r);
/// temporary used when scanning projects
bool checked;
FILE_XFER_BACKOFF download_backoff;
FILE_XFER_BACKOFF upload_backoff;
inline FILE_XFER_BACKOFF& file_xfer_backoff(bool is_upload) {
return is_upload?upload_backoff:download_backoff;
}
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_venue();
int parse_account_file();
int parse_state(MIOFILE&);
int write_state(MIOFILE&, bool gui_rpc=false);
// statistic of the last x days
std::vector<DAILY_STATS> statistics;
int parse_statistics(MIOFILE&);
int parse_statistics(FILE*);
int write_statistics(MIOFILE&, bool gui_rpc=false);
int write_statistics_file();
// feed-related
std::vector<RSS_FEED> proj_feeds;
};
struct APP {
char name[256];
char user_friendly_name[256];
PROJECT* project;
int parse(MIOFILE&);
int write(MIOFILE&);
};
struct APP_VERSION {
char app_name[256];
int version_num;
char platform[256];
char plan_class[64];
char api_version[16];
double avg_ncpus;
double max_ncpus;
double ncudas;
double natis;
double gpu_ram;
double flops;
/// additional cmdline args
char cmdline[256];
APP* app;
PROJECT* project;
std::vector<FILE_REF> app_files;
int ref_cnt;
char graphics_exec_path[512];
double max_working_set_size;
// max working set of tasks using this app version.
// temp var used in schedule_cpus()
//double temp_dcf;
APP_VERSION(){}
~APP_VERSION(){}
int parse(MIOFILE&);
int write(MIOFILE&, bool write_file_info = true);
bool had_download_failure(int& failnum);
void get_file_errors(std::string&);
void clear_errors();
int api_major_version();
bool missing_coproc();
inline bool uses_coproc(int rsc_type) {
switch (rsc_type) {
case RSC_TYPE_CUDA: return (ncudas>0);
case RSC_TYPE_ATI: return (natis>0);
}
return false;
}
inline int rsc_type() {
if (ncudas>0) return RSC_TYPE_CUDA;
if (natis>0) return RSC_TYPE_ATI;
return RSC_TYPE_CPU;
}
};
struct WORKUNIT {
char name[256];
char app_name[256];
/// Deprecated, but need to keep around to let people revert
/// to versions before multi-platform support
int version_num;
std::string command_line;
std::vector<FILE_REF> input_files;
PROJECT* project;
APP* app;
int ref_cnt;
double rsc_fpops_est;
double rsc_fpops_bound;
double rsc_memory_bound;
double rsc_disk_bound;
WORKUNIT(){}
~WORKUNIT(){}
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 received_time; // when we got this from server
double report_deadline;
int version_num; // identifies the app used
char plan_class[64];
char platform[256];
APP_VERSION* avp;
std::vector<FILE_REF> output_files;
/// 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 ready_to_report;
/// time when ready_to_report was set
double completed_time;
/// we've received the ack for this result from the server
bool got_server_ack;
double final_cpu_time;
double final_elapsed_time;
// the following are nonzero if reported by app
double fpops_per_cpu_sec;
double fpops_cumulative;
double intops_per_cpu_sec;
double intops_cumulative;
/// state of this result: see lib/result_state.h
int _state;
inline int state() { return _state; }
void set_state(int, const char*);
/// return value from the application
int exit_status;
/// 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
std::string stderr_out;
bool suspended_via_gui;
bool coproc_missing;
// a coproc needed by this job is missing
// (e.g. because user removed their GPU board).
APP* app;
/// this may be NULL after result is finished
WORKUNIT* wup;
PROJECT* project;
RESULT(){}
~RESULT(){}
void clear();
int parse_server(MIOFILE&);
int parse_state(MIOFILE&);
int parse_name(FILE*, const char* end_tag);
int write(MIOFILE&, bool to_server);
int write_gui(MIOFILE&);
bool is_upload_done(); // files uploaded?
void clear_uploaded_flags();
FILE_REF* lookup_file(FILE_INFO*);
FILE_INFO* lookup_file_logical(const char*);
/// abort the result if it hasn't started computing yet
/// Called only for results with no active task
/// (otherwise you need to abort the active task)
void abort_inactive(int);
void append_log_record();
// stuff related to CPU scheduling
double estimated_duration(bool for_work_fetch);
double estimated_duration_uncorrected();
double estimated_time_remaining(bool for_work_fetch);
inline double estimated_flops_remaining() {
return estimated_time_remaining(false)*avp->flops;
}
inline bool computing_done() {
if (state() >= RESULT_COMPUTE_ERROR) return true;
if (ready_to_report) return true;
return false;
}
bool not_started();
/// downloaded, not finished, not suspended, project not suspended
bool runnable();
/// downloading or downloaded,
/// not finished, suspended, project not suspended
bool nearly_runnable();
/// downloading, not downloaded, not suspended, project not suspended
bool downloading();
/// some input or app file is downloading, and backed off
/// i.e. it may be a long time before we can run this result
bool some_download_stalled();
inline bool uses_cuda() {
return (avp->ncudas > 0);
}
inline bool uses_ati() {
return (avp->natis > 0);
}
inline bool uses_coprocs() {
if (avp->ncudas > 0) return true;
if (avp->natis > 0) return true;
return false;
}
// temporaries used in CLIENT_STATE::rr_simulation():
double rrsim_flops_left;
double rrsim_finish_delay;
double rrsim_flops;
/// used to keep cpu scheduler from scheduling a result twice
/// transient; used only within schedule_cpus()
bool already_selected;
/// report deadline - prefs.work_buf_min - time slice
double computation_deadline();
bool rr_sim_misses_deadline;
// temporaries used in enforce_schedule():
bool unfinished_time_slice;
int seqno;
/// temporary used to tell GUI that this result is deadline-scheduled
bool edf_scheduled;
int coproc_indices[MAX_COPROCS_PER_JOB];
// keep track of coprocessor reservations
char resources[256];
// textual description of resources used
bool insufficient_video_ram();
double schedule_backoff;
// don't try to schedule until this time
// (wait for free video RAM)
};
/// 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();
};
/// a platform supported by the client.
class PLATFORM {
public:
std::string name;
};
#endif
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