mirror of https://github.com/BOINC/boinc.git
98 lines
3.1 KiB
C
98 lines
3.1 KiB
C
// The contents of this file are subject to the BOINC 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://boinc.berkeley.edu/license_1.0.txt
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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 Infrastructure for 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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// The structure of the memory segment shared between
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// the feeder and schedulers
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// This is essentially a cache of DB contents:
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// small static tables like app_version,
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// and a queue of results waiting to be sent.
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#include "boinc_db.h"
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// the following must be at least as large as DB tables
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// (counting only non-deprecated entries for the current major version)
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// Increase as needed
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//
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#define MAX_PLATFORMS 50
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#define MAX_APPS 10
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#define MAX_APP_VERSIONS 50
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#define MAX_CORE_VERSIONS 50
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// If you increase this above 100,
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// you may exceed the max shared-memory segment size
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// on some operating systems.
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#define MAX_WU_RESULTS 100
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//#define MAX_WU_RESULTS 500
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// values of state field
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#define WR_STATE_EMPTY 0
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#define WR_STATE_PRESENT 1
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#define WR_STATE_CHECKED_OUT 2
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// some server process is considering this result
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// If none of the above, the value is a PID of a server
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// that has this item reserved
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// a workunit/result pair
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struct WU_RESULT {
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int state;
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int infeasible_count;
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WORKUNIT workunit;
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int resultid;
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};
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struct SCHED_SHMEM {
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bool ready; // feeder sets to true when init done
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// the following fields let the scheduler make sure
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// that the shared mem has the right format
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int ss_size; // sizeof(SCHED_SHMEM)
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int platform_size; // sizeof(PLATFORM)
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int app_size; // sizeof(APP)
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int app_version_size; // sizeof(APP_VERSION)
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int core_version_size; // sizeof(CORE_VERSION)
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int wu_result_size; // sizeof(WU_RESULT)
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int nplatforms;
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int napps;
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int napp_versions;
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int ncore_versions;
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int nwu_results;
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int max_platforms;
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int max_apps;
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int max_app_versions;
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int max_core_versions;
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int max_wu_results;
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PLATFORM platforms[MAX_PLATFORMS];
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APP apps[MAX_APPS];
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APP_VERSION app_versions[MAX_APP_VERSIONS];
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CORE_VERSION core_versions[MAX_CORE_VERSIONS];
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WU_RESULT wu_results[MAX_WU_RESULTS];
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void init();
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int verify();
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int scan_tables();
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bool have_app(int);
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bool no_work(int pid);
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void restore_work(int pid);
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APP* lookup_app(int);
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APP_VERSION* lookup_app_version(int appid, int platform, int version);
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CORE_VERSION* lookup_core_version(int platform);
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PLATFORM* lookup_platform(char*);
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};
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