mirror of https://github.com/BOINC/boinc.git
141 lines
4.1 KiB
C++
141 lines
4.1 KiB
C++
// This file is part of BOINC.
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// http://boinc.berkeley.edu
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// Copyright (C) 2009 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 _CS_NOTICE_
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#define _CS_NOTICE_
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// Code related to "notices", which come from
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// 1) RSS feeds specified by projects and account managers
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// 2) Scheduler replies (high-priority messages)
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// 3) the client (MSG_USER_ALERT messages)
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//
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// Classes:
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//
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// NOTICE represents a notice of any the above types.
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// Attributes include an "arrival time"; for RSS items, this is the time it
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// arrived at the client, not the create time.
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//
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// NOTICES represents the set of all current notices.
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// Each notice has a unique seqno, which is a total ordering
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// compatible with increasing arrival time.
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// GUI RPC allow the enumerating of notices above a given seqno.
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// Seqnos are not permanent.
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//
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// RSS_FEED represents an RSS feed.
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// The client polls each feed periodically.
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//
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// The last successful reply from each feed is cached on disk.
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//
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// Two projects may request the same feed.
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// So each PROJECT has its own list of feeds.
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// There's also a merged list "rss_feeds" where seqno is stored.
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//
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// files:
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// notices/feeds.xml feed list
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// notices/feeds_PROJ_URL.xml list of project feeds
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// notices/RSS_URL.xml result of last fetch for a feed
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// notices/archive_RSS_URL.xml archive for a feed
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#include <deque>
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#include <vector>
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#include "miofile.h"
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#include "gui_http.h"
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#include "client_types.h"
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#include "gui_rpc_server.h"
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#include "notice.h"
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struct NOTICES {
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std::deque<NOTICE> notices;
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// stored newest (i.e. highest seqno) message first
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void write(int seqno, GUI_RPC_CONN&, bool public_only);
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bool append(NOTICE&);
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void init();
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void init_rss();
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int read_archive_file(const char* file, struct RSS_FEED*);
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void write_archive(struct RSS_FEED*);
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bool remove_dups(NOTICE&);
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void remove_network_msg();
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void remove_scheduler_notices(PROJECT*);
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void clear_keep();
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// prior to parsing an RSS feed, we mark all notices as "don't keep".
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// We clear this flag if the notice is present in the feed.
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void unkeep(const char* url);
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// called after parsing an RSS feed,
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// to remove notices that weren't in the feed.
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void clear() {
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notices.clear();
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}
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};
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extern NOTICES notices;
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struct RSS_FEED {
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char url[256];
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char url_base[256];
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char project_name[256];
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double poll_interval;
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double next_poll_time;
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bool found;
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// temp used in garbage collection
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int fetch_start();
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int fetch_complete();
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void write(MIOFILE&);
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int parse_desc(XML_PARSER&);
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int parse_items(XML_PARSER&, int&);
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void feed_file_name(char*);
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void archive_file_name(char*);
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int read_archive_file();
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};
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struct RSS_FEED_OP: public GUI_HTTP_OP {
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int error_num;
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RSS_FEED* rfp;
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RSS_FEED_OP();
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virtual ~RSS_FEED_OP(){}
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virtual void handle_reply(int http_op_retval);
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bool poll();
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};
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extern RSS_FEED_OP rss_feed_op;
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struct RSS_FEEDS {
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std::vector<RSS_FEED> feeds;
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void init();
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void trigger_fetch(struct PROJ_AM*);
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void update_feed_list();
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RSS_FEED* lookup_url(char*);
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void update_proj_am(PROJ_AM*);
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void write_feed_list();
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void clear() {
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feeds.clear();
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}
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};
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extern RSS_FEEDS rss_feeds;
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int parse_rss_feed_descs(XML_PARSER&, std::vector<RSS_FEED>&);
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void handle_sr_feeds(std::vector<RSS_FEED>&, struct PROJ_AM*);
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// process the feeds in a scheduler reply
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#endif
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