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fastcgi cache

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This commit is contained in:
Igor Sysoev 2009-03-24 12:49:29 +00:00
parent 3a20e4a477
commit 63f52af737
1 changed files with 196 additions and 6 deletions
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202
src/http/modules/ngx_http_fastcgi_module.c
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@ -23,6 +23,10 @@ typedef struct {
ngx_array_t *fastcgi_lengths;
ngx_array_t *fastcgi_values;
#if (NGX_HTTP_CACHE)
ngx_http_complex_value_t cache_key;
#endif
#if (NGX_PCRE)
ngx_regex_t *split_regex;
ngx_str_t split_name;
@ -116,6 +120,9 @@ typedef struct {
static ngx_int_t ngx_http_fastcgi_eval(ngx_http_request_t *r,
ngx_http_fastcgi_loc_conf_t *flcf);
#if (NGX_HTTP_CACHE)
static ngx_int_t ngx_http_fastcgi_create_key(ngx_http_request_t *r);
#endif
static ngx_int_t ngx_http_fastcgi_create_request(ngx_http_request_t *r);
static ngx_int_t ngx_http_fastcgi_reinit_request(ngx_http_request_t *r);
static ngx_int_t ngx_http_fastcgi_process_header(ngx_http_request_t *r);
@ -144,6 +151,13 @@ static char *ngx_http_fastcgi_split_path_info(ngx_conf_t *cf,
ngx_command_t *cmd, void *conf);
static char *ngx_http_fastcgi_store(ngx_conf_t *cf, ngx_command_t *cmd,
void *conf);
#if (NGX_HTTP_CACHE)
static char *ngx_http_fastcgi_cache(ngx_conf_t *cf, ngx_command_t *cmd,
void *conf);
static char *ngx_http_fastcgi_cache_key(ngx_conf_t *cf, ngx_command_t *cmd,
void *conf);
#endif
static char *ngx_http_fastcgi_lowat_check(ngx_conf_t *cf, void *post,
void *data);
@ -169,6 +183,9 @@ static ngx_conf_bitmask_t ngx_http_fastcgi_next_upstream_masks[] = {
};
ngx_module_t ngx_http_fastcgi_module;
static ngx_command_t ngx_http_fastcgi_commands[] = {
{ ngx_string("fastcgi_pass"),
@ -283,6 +300,52 @@ static ngx_command_t ngx_http_fastcgi_commands[] = {
offsetof(ngx_http_fastcgi_loc_conf_t, upstream.busy_buffers_size_conf),
NULL },
#if (NGX_HTTP_CACHE)
{ ngx_string("fastcgi_cache"),
NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG,
ngx_http_fastcgi_cache,
NGX_HTTP_LOC_CONF_OFFSET,
0,
NULL },
{ ngx_string("fastcgi_cache_key"),
NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG,
ngx_http_fastcgi_cache_key,
NGX_HTTP_LOC_CONF_OFFSET,
0,
NULL },
{ ngx_string("fastcgi_cache_path"),
NGX_HTTP_MAIN_CONF|NGX_CONF_2MORE,
ngx_http_file_cache_set_slot,
0,
0,
&ngx_http_fastcgi_module },
{ ngx_string("fastcgi_cache_valid"),
NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_1MORE,
ngx_http_file_cache_valid_set_slot,
NGX_HTTP_LOC_CONF_OFFSET,
offsetof(ngx_http_fastcgi_loc_conf_t, upstream.cache_valid),
NULL },
{ ngx_string("proxy_cache_min_uses"),
NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
ngx_conf_set_num_slot,
NGX_HTTP_LOC_CONF_OFFSET,
offsetof(ngx_http_fastcgi_loc_conf_t, upstream.cache_min_uses),
NULL },
{ ngx_string("fastcgi_cache_use_stale"),
NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_1MORE,
ngx_conf_set_bitmask_slot,
NGX_HTTP_LOC_CONF_OFFSET,
offsetof(ngx_http_fastcgi_loc_conf_t, upstream.cache_use_stale),
&ngx_http_fastcgi_next_upstream_masks },
#endif
{ ngx_string("fastcgi_temp_path"),
NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1234,
ngx_conf_set_path_slot,
@ -491,6 +554,9 @@ ngx_http_fastcgi_handler(ngx_http_request_t *r)
u->conf = &flcf->upstream;
#if (NGX_HTTP_CACHE)
u->create_key = ngx_http_fastcgi_create_key;
#endif
u->create_request = ngx_http_fastcgi_create_request;
u->reinit_request = ngx_http_fastcgi_reinit_request;
u->process_header = ngx_http_fastcgi_process_header;
@ -544,7 +610,7 @@ ngx_http_fastcgi_eval(ngx_http_request_t *r, ngx_http_fastcgi_loc_conf_t *flcf)
if (u.no_port) {
ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
"no port in upstream \"%V\"", &u.url);
"no port in upstream \"%V\"", &u.url);
return NGX_ERROR;
}
@ -569,6 +635,31 @@ ngx_http_fastcgi_eval(ngx_http_request_t *r, ngx_http_fastcgi_loc_conf_t *flcf)
}
#if (NGX_HTTP_CACHE)
static ngx_int_t
ngx_http_fastcgi_create_key(ngx_http_request_t *r)
{
ngx_str_t *key;
ngx_http_fastcgi_loc_conf_t *flcf;
key = ngx_array_push(&r->cache->keys);
if (key == NULL) {
return NGX_ERROR;
}
flcf = ngx_http_get_module_loc_conf(r, ngx_http_fastcgi_module);
if (ngx_http_complex_value(r, &flcf->cache_key, key) != NGX_OK) {
return NGX_ERROR;
}
return NGX_OK;
}
#endif
static ngx_int_t
ngx_http_fastcgi_create_request(ngx_http_request_t *r)
{
@ -1276,12 +1367,9 @@ ngx_http_fastcgi_process_header(ngx_http_request_t *r)
u->headers_in.status_line.data = (u_char *) "200 OK";
}
u->state->status = u->headers_in.status_n;
#if 0
if (u->cacheable) {
u->cacheable = ngx_http_upstream_is_cacheable(r);
if (u->state) {
u->state->status = u->headers_in.status_n;
}
#endif
break;
}
@ -1730,6 +1818,7 @@ ngx_http_fastcgi_create_loc_conf(ngx_conf_t *cf)
*
* conf->upstream.bufs.num = 0;
* conf->upstream.next_upstream = 0;
* conf->upstream.use_stale_cache = 0;
* conf->upstream.temp_path = NULL;
* conf->upstream.hide_headers_hash = { NULL, 0 };
* conf->upstream.uri = { 0, NULL };
@ -1760,6 +1849,12 @@ ngx_http_fastcgi_create_loc_conf(ngx_conf_t *cf)
conf->upstream.pass_request_headers = NGX_CONF_UNSET;
conf->upstream.pass_request_body = NGX_CONF_UNSET;
#if (NGX_HTTP_CACHE)
conf->upstream.cache = NGX_CONF_UNSET_PTR;
conf->upstream.cache_min_uses = NGX_CONF_UNSET_UINT;
conf->upstream.cache_valid = NGX_CONF_UNSET_PTR;
#endif
conf->upstream.hide_headers = NGX_CONF_UNSET_PTR;
conf->upstream.pass_headers = NGX_CONF_UNSET_PTR;
@ -1936,6 +2031,41 @@ ngx_http_fastcgi_merge_loc_conf(ngx_conf_t *cf, void *parent, void *child)
return NGX_CONF_ERROR;
}
#if (NGX_HTTP_CACHE)
ngx_conf_merge_ptr_value(conf->upstream.cache,
prev->upstream.cache, NULL);
if (conf->upstream.cache && conf->upstream.cache->data == NULL) {
ngx_shm_zone_t *shm_zone;
shm_zone = conf->upstream.cache;
ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
"\"fastcgi_cache\" zone \"%V\" is unknown",
&shm_zone->name);
return NGX_CONF_ERROR;
}
ngx_conf_merge_uint_value(conf->upstream.cache_min_uses,
prev->upstream.cache_min_uses, 1);
ngx_conf_merge_bitmask_value(conf->upstream.cache_use_stale,
prev->upstream.cache_use_stale,
(NGX_CONF_BITMASK_SET
|NGX_HTTP_UPSTREAM_FT_OFF));
if (conf->upstream.cache_use_stale & NGX_HTTP_UPSTREAM_FT_OFF) {
conf->upstream.cache_use_stale = NGX_CONF_BITMASK_SET
|NGX_HTTP_UPSTREAM_FT_OFF;
}
ngx_conf_merge_ptr_value(conf->upstream.cache_valid,
prev->upstream.cache_valid, NULL);
#endif
ngx_conf_merge_value(conf->upstream.pass_request_headers,
prev->upstream.pass_request_headers, 1);
ngx_conf_merge_value(conf->upstream.pass_request_body,
@ -2409,6 +2539,66 @@ ngx_http_fastcgi_store(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
}
#if (NGX_HTTP_CACHE)
static char *
ngx_http_fastcgi_cache(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
{
ngx_http_fastcgi_loc_conf_t *flcf = conf;
ngx_str_t *value;
value = cf->args->elts;
if (flcf->upstream.cache != NGX_CONF_UNSET_PTR) {
return "is duplicate";
}
if (ngx_strcmp(value[1].data, "off") == 0) {
flcf->upstream.cache = NULL;
return NGX_CONF_OK;
}
flcf->upstream.cache = ngx_shared_memory_add(cf, &value[1], 0,
&ngx_http_fastcgi_module);
if (flcf->upstream.cache == NULL) {
return NGX_CONF_ERROR;
}
return NGX_CONF_OK;
}
static char *
ngx_http_fastcgi_cache_key(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
{
ngx_http_fastcgi_loc_conf_t *flcf = conf;
ngx_str_t *value;
ngx_http_compile_complex_value_t ccv;
value = cf->args->elts;
if (flcf->cache_key.value.len) {
return "is duplicate";
}
ngx_memzero(&ccv, sizeof(ngx_http_compile_complex_value_t));
ccv.cf = cf;
ccv.value = &value[1];
ccv.complex_value = &flcf->cache_key;
if (ngx_http_compile_complex_value(&ccv) != NGX_OK) {
return NGX_CONF_ERROR;
}
return NGX_CONF_OK;
}
#endif
static char *
ngx_http_fastcgi_lowat_check(ngx_conf_t *cf, void *post, void *data)
{