mirror of
https://github.com/openstreetmap/mod_tile.git
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707e125e35
Also make a slightly cleaner extraction. This hopefully has a couple of advantages: 1) The code should now be a bit cleaner 2) It makes testing the queueing code easier 3) In future it might be possible to have a separate queue per style allowing e.g. to perform fair queueing between styles.
82 lines
2.2 KiB
C
82 lines
2.2 KiB
C
/*
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* Copyright © 2013 mod_tile contributors
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* Copyright © 2013 Kai Krueger
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*
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*This file is part of renderd, a project to render OpenStreetMap tiles
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*with Mapnik.
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*
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* renderd is free software: you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the
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* Free Software Foundation, either version 2 of the License, or (at your
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* option) any later version.
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*
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* mod_tile is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with mod_tile. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef REQUEST_QUEUE_H
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#define REQUEST_QUEUE_H
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#include "gen_tile.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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#define HASHIDX_SIZE 2213
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typedef struct {
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long noDirtyRender;
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long noReqRender;
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long noReqPrioRender;
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long noReqBulkRender;
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long noReqDroped;
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long noZoomRender[MAX_ZOOM + 1];
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long timeReqRender;
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long timeReqPrioRender;
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long timeReqBulkRender;
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long timeReqDirty;
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long timeZoomRender[MAX_ZOOM + 1];
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} stats_struct;
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struct item_idx {
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struct item_idx *next;
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struct item *item;
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};
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struct request_queue {
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int hashidxSize;
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struct item reqHead, reqPrioHead, reqBulkHead, dirtyHead, renderHead;
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struct item_idx * item_hashidx;
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int reqNum, reqPrioNum, reqBulkNum, dirtyNum;
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pthread_mutex_t qLock;
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pthread_cond_t qCond;
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stats_struct stats;
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};
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struct request_queue *request_queue_init();
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void request_queue_close(struct request_queue * queue);
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struct item *request_queue_fetch_request(struct request_queue * queue);
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enum protoCmd request_queue_add_request(struct request_queue * queue, struct item * request);
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void request_queue_remove_request(struct request_queue * queue, struct item * request, int render_time);
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void request_queue_clear_requests_by_fd(struct request_queue * queue, int fd);
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int request_queue_no_requests_queued(struct request_queue * queue, enum protoCmd);
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void request_queue_copy_stats(struct request_queue * queue, stats_struct * stats);
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#ifdef __cplusplus
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}
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#endif
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#endif
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