mirror of https://github.com/BOINC/boinc.git
144 lines
4.3 KiB
C++
144 lines
4.3 KiB
C++
// This file is part of BOINC.
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// http://boinc.berkeley.edu
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// Copyright (C) 2008 University of California
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//
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// BOINC is free software; you can redistribute it and/or modify it
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// under the terms of the GNU Lesser General Public License
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// as published by the Free Software Foundation,
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// either version 3 of the License, or (at your option) any later version.
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//
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// BOINC 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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// You should have received a copy of the GNU Lesser General Public License
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// along with BOINC. If not, see <http://www.gnu.org/licenses/>.
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#ifndef _SCHEDULER_OP_
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#define _SCHEDULER_OP_
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#include <vector>
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#include "client_types.h"
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//#include "auto_update.h"
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#include "http_curl.h"
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#include "prefs.h"
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#define SCHEDULER_OP_STATE_IDLE 0
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// invariant: in this state, our HTTP_OP is not in the HTTP_OP_SET
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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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// defaults related to scheduler RPC policy
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// See client_state.h for definitions
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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_CAP 10
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// cap on nrpc_failures
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#define MASTER_FETCH_RETRY_CAP 3
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// after this many master-fetch failures,
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// move into a state in which we retry master fetch
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// at the frequency below
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#define MASTER_FETCH_INTERVAL (86400) // 1 day
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// See above
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// constants used to bound RPC backoff
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#define SCHED_RETRY_DELAY_MIN 60 // 1 minute
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#define SCHED_RETRY_DELAY_MAX (60*60*4) // 4 hours
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// SCHEDULER_OP encapsulates the mechanism for
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// 1) fetching master files
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// 2) communicating with scheduling servers
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// Only one such operation can be in progress at once.
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class SCHEDULER_OP {
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private:
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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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char scheduler_url[256];
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int url_index;
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// index within project's URL list
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public:
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PROJECT* cur_proj;
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// project we're currently contacting
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int state;
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int reason;
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double url_random;
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// used to randomize order
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public:
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SCHEDULER_OP(HTTP_OP_SET*);
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bool poll();
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int init_op_project(PROJECT*, int);
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int init_master_fetch(PROJECT*);
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bool check_master_fetch_start();
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void backoff(PROJECT* p, const char *error_msg);
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void abort(PROJECT*);
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// if we're doing an op to this project, abort it
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private:
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bool update_urls(PROJECT*, std::vector<std::string> &urls);
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int start_op(PROJECT*);
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int start_rpc(PROJECT*);
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void rpc_failed(const char*);
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int parse_master_file(PROJECT*, std::vector<std::string>&);
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};
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struct USER_MESSAGE {
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std::string message;
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std::string priority;
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USER_MESSAGE(char*, char*);
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};
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struct SCHEDULER_REPLY {
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int hostid;
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double request_delay;
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double next_rpc_delay;
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std::vector<USER_MESSAGE> messages;
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char* global_prefs_xml;
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// not including <global_preferences> tags;
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// may include <venue> elements
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char* project_prefs_xml;
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// not including <project_preferences> tags
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// may include <venue> elements
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char master_url[256];
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char host_venue[256];
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unsigned int user_create_time;
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std::vector<APP> apps;
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std::vector<FILE_INFO> file_infos;
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std::vector<std::string> file_deletes;
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std::vector<APP_VERSION> app_versions;
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std::vector<WORKUNIT> workunits;
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std::vector<RESULT> results;
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std::vector<RESULT> result_acks;
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std::vector<RESULT> result_abort;
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std::vector<RESULT> result_abort_if_not_started;
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char* code_sign_key;
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char* code_sign_key_signature;
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bool message_ack;
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bool project_is_down;
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bool send_file_list;
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bool send_full_workload;
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int send_time_stats_log;
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int send_job_log;
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int scheduler_version;
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#ifdef ENABLE_AUTO_UPDATE
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AUTO_UPDATE auto_update;
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#endif
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std::vector<RSS_FEED> sr_feeds;
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bool got_rss_feeds;
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// whether scheduler reply included <rss_feeds>
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void clear();
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SCHEDULER_REPLY();
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~SCHEDULER_REPLY();
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int parse(FILE*, PROJECT*);
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void handle_backoff(const char*, double);
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void handle_rsc_backoff(FILE*);
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};
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#endif
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