mirror of https://github.com/BOINC/boinc.git
95 lines
3.0 KiB
C
95 lines
3.0 KiB
C
// The contents of this file are subject to the Mozilla 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://www.mozilla.org/MPL/
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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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#ifndef _SCHEDULER_OP_
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#define _SCHEDULER_OP_
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// SCHEDULER_OP encapsulates the policy and mechanism
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// for communicating with scheduling servers.
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// It is implemented as a finite-state machine.
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// It is active in one of two modes:
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// get_work: the client wants to get work, and possibly to
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// return results as a side-effect
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// return_results: the client wants to return results, and possibly
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// to get work as a side-effect
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//
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#include "client_types.h"
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#include "http.h"
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#include "prefs.h"
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// constants related to scheduler RPC policy
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#define MASTER_FETCH_PERIOD 10
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// fetch and parse master URL if nrpc_failures is a multiple of this
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#define RETRY_BASE_PERIOD 100
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// after failure, back off 2^nrpc_failures times this times random
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#define RETRY_CAP 10
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// cap on nrpc_failures in the above formula
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#define SCHEDULER_OP_STATE_IDLE 0
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#define SCHEDULER_OP_STATE_GET_MASTER 1
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#define SCHEDULER_OP_STATE_RPC 2
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struct SCHEDULER_OP {
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int state;
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int scheduler_op_retval;
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HTTP_OP http_op;
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HTTP_OP_SET* http_ops;
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PROJECT* project; // project we're currently contacting
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char scheduler_url[256];
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bool must_get_work; // true iff in get_work mode
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unsigned int url_index; // index within project's URL list
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SCHEDULER_OP(HTTP_OP_SET*);
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int poll();
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int init_get_work();
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int init_return_results(PROJECT*, double nsecs);
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int init_op_project(double ns);
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int init_master_fetch(PROJECT*);
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int set_min_rpc_time(PROJECT*);
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bool update_urls(PROJECT& project, vector<STRING256> &urls);
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int start_op(PROJECT*);
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int start_rpc();
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int parse_master_file(vector<STRING256>&);
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};
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struct SCHEDULER_REPLY {
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int hostid;
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int request_delay;
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char message[1024];
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char message_priority[256];
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int prefs_mod_time;
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char* prefs_xml;
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vector<APP> apps;
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vector<FILE_INFO> file_infos;
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vector<APP_VERSION> app_versions;
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vector<WORKUNIT> workunits;
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vector<RESULT> results;
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vector<RESULT> result_acks;
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char* code_sign_key;
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char* code_sign_key_signature;
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SCHEDULER_REPLY();
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~SCHEDULER_REPLY();
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int parse(FILE*);
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};
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#endif
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