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Add a cache-snapshot-ttl configuration variable

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This can be used to specify the TTL for snapshots. Snapshots are usually
static and do not ever change. On the other hand, tarball generation is
CPU intensive.

One use case of this setting (apart from increasing the lifetime of
snapshot cache slots) is caching of snapshots while disabling the cache
for static/dynamic HTML pages (by setting TTL to zero for everything
except for snapshot requests).

Signed-off-by: Lukas Fleischer <cgit@cryptocrack.de>
This commit is contained in:
Lukas Fleischer 2014-02-05 10:23:58 +01:00 committed by Jason A. Donenfeld
parent 7e1c0ed2aa
commit a3722ec3c6
3 changed files with 12 additions and 0 deletions
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6
cgit.c
View File

@ -184,6 +184,8 @@ static void config_cb(const char *name, const char *value)
ctx.cfg.cache_dynamic_ttl = atoi(value);
else if (!strcmp(name, "cache-about-ttl"))
ctx.cfg.cache_about_ttl = atoi(value);
else if (!strcmp(name, "cache-snapshot-ttl"))
ctx.cfg.cache_snapshot_ttl = atoi(value);
else if (!strcmp(name, "case-sensitive-sort"))
ctx.cfg.case_sensitive_sort = atoi(value);
else if (!strcmp(name, "about-filter"))
@ -331,6 +333,7 @@ static void prepare_context(void)
ctx.cfg.cache_max_create_time = 5;
ctx.cfg.cache_root = CGIT_CACHE_ROOT;
ctx.cfg.cache_about_ttl = 15;
ctx.cfg.cache_snapshot_ttl = 5;
ctx.cfg.cache_repo_ttl = 5;
ctx.cfg.cache_root_ttl = 5;
ctx.cfg.cache_scanrc_ttl = 15;
@ -995,6 +998,9 @@ static int calc_ttl()
if (!strcmp(ctx.qry.page, "about"))
return ctx.cfg.cache_about_ttl;
if (!strcmp(ctx.qry.page, "snapshot"))
return ctx.cfg.cache_snapshot_ttl;
if (ctx.qry.has_sha1)
return ctx.cfg.cache_static_ttl;

1
cgit.h
View File

@ -210,6 +210,7 @@ struct cgit_config {
int cache_scanrc_ttl;
int cache_static_ttl;
int cache_about_ttl;
int cache_snapshot_ttl;
int case_sensitive_sort;
int embedded;
int enable_filter_overrides;

5
cgitrc.5.txt
View File

@ -88,6 +88,11 @@ cache-about-ttl::
version of the repository about page. Negative values have infinite
ttl. Default value: "15".
cache-snapshot-ttl::
Number which specifies the time-to-live, in minutes, for the cached
version of snapshots. Negative values have infinite ttl. Default
value: "5".
cache-size::
The maximum number of entries in the cgit cache. Default value: "0"
(i.e. caching is disabled).