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#ifndef UI_STATS_H
#define UI_STATS_H

#include "cgit.h"

struct cgit_period {
	const char code;
	const char *name;
	int max_periods;
	int count;

	/* Convert a tm value to the first day in the period */
	void (*trunc)(struct tm *tm);

	/* Update tm value to start of next/previous period */
	void (*dec)(struct tm *tm);
	void (*inc)(struct tm *tm);

	/* Pretty-print a tm value */
	char *(*pretty)(struct tm *tm);
};

extern int cgit_find_stats_period(const char *expr, struct cgit_period **period);
extern const char *cgit_find_stats_periodname(int idx);

extern void cgit_show_stats(struct cgit_context *ctx);

#endif /* UI_STATS_H */
class="o">->ttl = cgit_cache_root_ttl; } else if (!cgit_query_page) { item->name = xstrdup(fmt("%s/%s/index.html", cgit_cache_root, cgit_query_repo)); item->ttl = cgit_cache_repo_ttl; } else { item->name = xstrdup(fmt("%s/%s/%s/%s.html", cgit_cache_root, cgit_query_repo, cgit_query_page, cgit_querystring)); if (cgit_query_has_symref) item->ttl = cgit_cache_dynamic_ttl; else if (cgit_query_has_sha1) item->ttl = cgit_cache_static_ttl; else item->ttl = cgit_cache_repo_ttl; } } int cache_exist(struct cacheitem *item) { if (stat(item->name, &item->st)) { item->st.st_mtime = 0; return 0; } return 1; } int cache_create_dirs() { char *path; if (!cgit_query_repo) return 0; path = fmt("%s/%s", cgit_cache_root, cgit_query_repo); if (mkdir(path, S_IRWXU) && errno!=EEXIST) return 0; if (cgit_query_page) { path = fmt("%s/%s/%s", cgit_cache_root, cgit_query_repo, cgit_query_page); if (mkdir(path, S_IRWXU) && errno!=EEXIST) return 0; } return 1; } int cache_refill_overdue(const char *lockfile) { struct stat st; if (stat(lockfile, &st)) return 0; else return (time(NULL) - st.st_mtime > cgit_cache_max_create_time); } int cache_lock(struct cacheitem *item) { int i = 0; char *lockfile = xstrdup(fmt("%s.lock", item->name)); top: if (++i > cgit_max_lock_attempts) die("cache_lock: unable to lock %s: %s", item->name, strerror(errno)); item->fd = open(lockfile, O_WRONLY|O_CREAT|O_EXCL, S_IRUSR|S_IWUSR); if (item->fd == NOLOCK && errno == ENOENT && cache_create_dirs()) goto top; if (item->fd == NOLOCK && errno == EEXIST && cache_refill_overdue(lockfile) && !unlink(lockfile)) goto top; free(lockfile); return (item->fd > 0); } int cache_unlock(struct cacheitem *item) { close(item->fd); return (rename(fmt("%s.lock", item->name), item->name) == 0); } int cache_cancel_lock(struct cacheitem *item) { return (unlink(fmt("%s.lock", item->name)) == 0); } int cache_expired(struct cacheitem *item) { if (item->ttl < 0) return 0; return item->st.st_mtime + item->ttl * 60 < time(NULL); }