Mercurial > hg > nginx
changeset 3970:2d05952a324d
elimination of reading cache files by cache loader
author | Igor Sysoev <igor@sysoev.ru> |
---|---|
date | Sun, 24 Jul 2011 19:46:53 +0000 |
parents | 3ea15c6b16da |
children | 44f4fc874b2f |
files | src/core/ngx_file.c src/core/ngx_file.h src/http/ngx_http_file_cache.c src/os/unix/ngx_files.h src/os/win32/ngx_files.h |
diffstat | 5 files changed, 13 insertions(+), 42 deletions(-) [+] |
line wrap: on
line diff
--- a/src/core/ngx_file.c +++ b/src/core/ngx_file.c @@ -926,6 +926,7 @@ ngx_walk_tree(ngx_tree_ctx_t *ctx, ngx_s "tree file \"%s\"", file.data); ctx->size = ngx_de_size(&dir); + ctx->fs_size = ngx_de_fs_size(&dir); ctx->access = ngx_de_access(&dir); ctx->mtime = ngx_de_mtime(&dir);
--- a/src/core/ngx_file.h +++ b/src/core/ngx_file.h @@ -104,6 +104,7 @@ typedef ngx_int_t (*ngx_tree_handler_pt) struct ngx_tree_ctx_s { off_t size; + off_t fs_size; ngx_uint_t access; time_t mtime;
--- a/src/http/ngx_http_file_cache.c +++ b/src/http/ngx_http_file_cache.c @@ -1320,60 +1320,27 @@ ngx_http_file_cache_manage_file(ngx_tree static ngx_int_t ngx_http_file_cache_add_file(ngx_tree_ctx_t *ctx, ngx_str_t *name) { - u_char *p; - ngx_fd_t fd; - ngx_int_t n; - ngx_uint_t i; - ngx_file_info_t fi; - ngx_http_cache_t c; - ngx_http_file_cache_t *cache; - ngx_http_file_cache_header_t h; + u_char *p; + ngx_int_t n; + ngx_uint_t i; + ngx_http_cache_t c; + ngx_http_file_cache_t *cache; if (name->len < 2 * NGX_HTTP_CACHE_KEY_LEN) { return NGX_ERROR; } - ngx_memzero(&c, sizeof(ngx_http_cache_t)); - - fd = ngx_open_file(name->data, NGX_FILE_RDONLY, NGX_FILE_OPEN, 0); - - if (fd == NGX_INVALID_FILE) { - ngx_log_error(NGX_LOG_CRIT, ctx->log, ngx_errno, - ngx_open_file_n " \"%s\" failed", name->data); - return NGX_ERROR; - } - - c.file.fd = fd; - c.file.name = *name; - c.file.log = ctx->log; - - n = ngx_read_file(&c.file, (u_char *) &h, - sizeof(ngx_http_file_cache_header_t), 0); - if (n == NGX_ERROR) { - return NGX_ERROR; - } - - if ((size_t) n < sizeof(ngx_http_file_cache_header_t)) { + if (ctx->size < (off_t) sizeof(ngx_http_file_cache_header_t)) { ngx_log_error(NGX_LOG_CRIT, ctx->log, 0, "cache file \"%s\" is too small", name->data); return NGX_ERROR; } + ngx_memzero(&c, sizeof(ngx_http_cache_t)); cache = ctx->data; - if (ngx_fd_info(fd, &fi) == NGX_FILE_ERROR) { - ngx_log_error(NGX_LOG_CRIT, ctx->log, ngx_errno, - ngx_fd_info_n " \"%s\" failed", name->data); - - } else { - c.length = ngx_file_size(&fi); - c.fs_size = (ngx_file_fs_size(&fi) + cache->bsize - 1) / cache->bsize; - } - - if (ngx_close_file(fd) == NGX_FILE_ERROR) { - ngx_log_error(NGX_LOG_ALERT, ctx->log, ngx_errno, - ngx_close_file_n " \"%s\" failed", name->data); - } + c.length = ctx->size; + c.fs_size = (ctx->fs_size + cache->bsize - 1) / cache->bsize; p = &name->data[name->len - 2 * NGX_HTTP_CACHE_KEY_LEN];
--- a/src/os/unix/ngx_files.h +++ b/src/os/unix/ngx_files.h @@ -253,6 +253,7 @@ ngx_de_info(u_char *name, ngx_dir_t *dir #define ngx_de_access(dir) (((dir)->info.st_mode) & 0777) #define ngx_de_size(dir) (dir)->info.st_size +#define ngx_de_fs_size(dir) ((dir)->info.st_blocks * 512) #define ngx_de_mtime(dir) (dir)->info.st_mtime
--- a/src/os/win32/ngx_files.h +++ b/src/os/win32/ngx_files.h @@ -227,6 +227,7 @@ ngx_int_t ngx_de_link_info(u_char *name, #define ngx_de_access(dir) 0 #define ngx_de_size(dir) \ (((off_t) (dir)->finddata.nFileSizeHigh << 32) | (dir)->finddata.nFileSizeLow) +#define ngx_de_fs_size(dir) ngx_de_size(dir) /* 116444736000000000 is commented in src/os/win32/ngx_time.c */