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/*
* Copyright © 2013 mod_tile contributors
* Copyright © 2013 Kai Krueger
*
*This file is part of renderd, a project to render OpenStreetMap tiles
*with Mapnik.
*
* renderd is free software: you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
* Free Software Foundation, either version 2 of the License, or (at your
* option) any later version.
*
* mod_tile is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with mod_tile. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef REQUEST_QUEUE_H
#define REQUEST_QUEUE_H
#include "gen_tile.h"
#ifdef __cplusplus
extern "C" {
#endif
#define HASHIDX_SIZE 2213
typedef struct {
long noDirtyRender;
long noReqRender;
long noReqPrioRender;
long noReqLowRender;
long noReqBulkRender;
long noReqDroped;
long noZoomRender[MAX_ZOOM + 1];
long timeReqRender;
long timeReqPrioRender;
long timeReqLowRender;
long timeReqBulkRender;
long timeReqDirty;
long timeZoomRender[MAX_ZOOM + 1];
} stats_struct;
struct item_idx {
struct item_idx *next;
struct item *item;
};
struct request_queue {
int hashidxSize;
struct item reqHead, reqPrioHead, reqLowHead, reqBulkHead, dirtyHead, renderHead;
struct item_idx * item_hashidx;
int reqNum, reqPrioNum, reqLowNum, reqBulkNum, dirtyNum;
pthread_mutex_t qLock;
pthread_cond_t qCond;
stats_struct stats;
};
struct request_queue *request_queue_init();
void request_queue_close(struct request_queue * queue);
struct item *request_queue_fetch_request(struct request_queue * queue);
enum protoCmd request_queue_add_request(struct request_queue * queue, struct item * request);
void request_queue_remove_request(struct request_queue * queue, struct item * request, int render_time);
void request_queue_clear_requests_by_fd(struct request_queue * queue, int fd);
int request_queue_no_requests_queued(struct request_queue * queue, enum protoCmd);
void request_queue_copy_stats(struct request_queue * queue, stats_struct * stats);
#ifdef __cplusplus
}
#endif
#endif
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