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/***************************************************************************
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section_list_loader.h - description
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-------------------
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Copyright : (C) 2004-2025 by Leaflet
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Email : leaflet@leafok.com
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***************************************************************************/
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/***************************************************************************
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* *
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* This program is free software; you can redistribute it and/or modify *
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* it under the terms of the GNU General Public License as published by *
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* the Free Software Foundation; either version 3 of the License, or *
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* (at your option) any later version. *
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* *
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***************************************************************************/
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#ifndef _SECTION_LIST_LOADER_H_
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#define _SECTION_LIST_LOADER_H_
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#include "section_list.h"
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#include <mysql.h>
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#define ERR_UNKNOWN_SECTION -101
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#define LOAD_ARTICLE_COUNT_LIMIT 1000
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extern int section_list_loader_pid;
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extern int last_article_op_log_mid;
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extern int load_section_config_from_db(void);
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// Input global_lock = 0 : lock / unlock corresponding section per article
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// 1 : lock / unlock all sections per invocation
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// Return on success : count of appended articles (>= 0)
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// failure : lock / unlock error (-1)
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// : unknown section found (ERR_UNKNOWN_SECTION)
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extern int append_articles_from_db(int32_t start_aid, int global_lock, int article_count_limit);
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extern int set_last_article_op_log_from_db(void);
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// Return on success : count of appended articles (>= 0)
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// failure : lock / unlock error (-1)
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// : unknown section found (ERR_UNKNOWN_SECTION)
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extern int apply_article_op_log_from_db(int op_count_limit);
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extern int section_list_loader_launch(void);
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extern int section_list_loader_reload(void);
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// Return on success : real page_id (>= 0)
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// failure : error number (< 0)
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extern int query_section_articles(SECTION_LIST *p_section, int page_id, ARTICLE *p_articles[], int *p_article_count, int *p_page_count);
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// Input direction = 0 : locate p_article_cur
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// -1 : p_article_cur->p_topic_prior
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// 1 : p_article_cur->p_topic_next
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// Return on success : found (1)
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// : not found (0)
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// failure : error number (< 0)
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extern int locate_article_in_section(SECTION_LIST *p_section, const ARTICLE *p_article_cur, int direction,
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int *p_page_id, int *p_offset, int *p_article_count);
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#endif //_SECTION_LIST_LOADER_H_
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