Mercurial > hg > nginx-ranges
view src/core/ngx_garbage_collector.c @ 34:aab2ea7c0458 NGINX_0_1_17
nginx 0.1.17
*) Change: the ngx_http_rewrite_module was rewritten from the scratch.
Now it is possible to redirect, to return the error codes, to check
the variables and referrers. The directives can be used inside
locations. The redirect directive was canceled.
*) Feature: the ngx_http_geo_module.
*) Feature: the proxy_set_x_var and fastcgi_set_var directives.
*) Bugfix: the location configuration with "=" modifier may be used in
another location.
*) Bugfix: the correct content type was set only for requests that use
small caps letters in extension.
*) Bugfix: if the proxy_pass or fastcgi_pass directives were set in the
location, and access was denied, and the error was redirected to a
static page, then the segmentation fault occurred.
*) Bugfix: if in a proxied "Location" header was a relative URL, then a
host name and a slash were added to them; bug appeared in 0.1.14.
*) Bugfix: the system error message was not logged on Linux.
author | Igor Sysoev <http://sysoev.ru> |
---|---|
date | Thu, 03 Feb 2005 00:00:00 +0300 |
parents | 74b1868dd3cd |
children | 6cfc63e68377 |
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/* * Copyright (C) Igor Sysoev */ #include <ngx_config.h> #include <ngx_core.h> #include <ngx_garbage_collector.h> ngx_int_t ngx_collect_garbage(ngx_gc_t *ctx, ngx_str_t *dname, int level) { int rc; u_char *last; size_t len; ngx_err_t err; ngx_str_t fname, buf; ngx_dir_t dir; buf.len = 0; #if (NGX_SUPPRESS_WARN) buf.data = NULL; fname.data = NULL; #endif ngx_log_debug2(NGX_LOG_DEBUG_CORE, ctx->log, 0, "gc dir \"%s\":%d", dname->data, dname->len); if (ngx_open_dir(dname, &dir) == NGX_ERROR) { ngx_log_error(NGX_LOG_CRIT, ctx->log, ngx_errno, ngx_open_dir_n " \"%s\" failed", dname->data); return NGX_ERROR; } for ( ;; ) { ngx_set_errno(0); if (ngx_read_dir(&dir) == NGX_ERROR) { err = ngx_errno; if (err != NGX_ENOMOREFILES) { ngx_log_error(NGX_LOG_CRIT, ctx->log, err, ngx_read_dir_n " \"%s\" failed", dname->data); rc = NGX_ERROR; } else { rc = NGX_OK; } break; } len = ngx_de_namelen(&dir); ngx_log_debug2(NGX_LOG_DEBUG_CORE, ctx->log, 0, "gc name \"%s\":%d", ngx_de_name(&dir), len); if (len == 1 && ngx_de_name(&dir)[0] == '.') { continue; } if (len == 2 && ngx_de_name(&dir)[0] == '.' && ngx_de_name(&dir)[1] == '.') { continue; } fname.len = dname->len + 1+ len; if (fname.len + NGX_DIR_MASK_LEN > buf.len) { if (buf.len) { ngx_free(buf.data); } buf.len = dname->len + 1 + len + NGX_DIR_MASK_LEN; if (!(buf.data = ngx_alloc(buf.len + 1, ctx->log))) { return NGX_ABORT; } } last = ngx_cpymem(buf.data, dname->data, dname->len); *last++ = '/'; ngx_memcpy(last, ngx_de_name(&dir), len + 1); fname.data = buf.data; ngx_log_debug1(NGX_LOG_DEBUG_CORE, ctx->log, 0, "gc path: \"%s\"", fname.data); if (!dir.valid_info) { if (ngx_de_info(fname.data, &dir) == NGX_FILE_ERROR) { ngx_log_error(NGX_LOG_CRIT, ctx->log, ngx_errno, ngx_de_info_n " \"%s\" failed", fname.data); continue; } } if (ngx_de_is_dir(&dir)) { ngx_log_debug1(NGX_LOG_DEBUG_CORE, ctx->log, 0, "gc enter dir \"%s\"", fname.data); if (level == -1 /* there can not be directory on the last level */ || level == NGX_MAX_PATH_LEVEL /* an directory from the old path hierarchy */ || len != ctx->path->level[level]) { if (ngx_collect_garbage(ctx, &fname, -1) == NGX_ABORT) { return NGX_ABORT; } fname.data[fname.len] = '\0'; ngx_log_error(NGX_LOG_NOTICE, ctx->log, 0, "delete old hierachy directory \"%s\"", fname.data); if (ngx_delete_dir(fname.data) == NGX_FILE_ERROR) { ngx_log_error(NGX_LOG_CRIT, ctx->log, ngx_errno, ngx_delete_dir_n " \"%s\" failed", fname.data); } else { ctx->deleted++; ctx->freed += ngx_de_size(&dir); } continue; } if (ngx_collect_garbage(ctx, &fname, level + 1) == NGX_ABORT) { return NGX_ABORT; } } else if (ngx_de_is_file(&dir)) { ngx_log_debug1(NGX_LOG_DEBUG_CORE, ctx->log, 0, "gc file \"%s\"", fname.data); if (level == -1 || (level < NGX_MAX_PATH_LEVEL && ctx->path->level[level] != 0)) { if (ngx_delete_file(fname.data) == NGX_FILE_ERROR) { ngx_log_error(NGX_LOG_CRIT, ctx->log, ngx_errno, ngx_delete_file_n " \"%s\" failed", fname.data); } else { ctx->deleted++; ctx->freed += ngx_de_size(&dir); } continue; } if (ctx->handler(ctx, &fname, &dir) == NGX_ABORT) { return NGX_ABORT; } } else { ngx_log_error(NGX_LOG_CRIT, ctx->log, ngx_errno, "the file \"%s\" has unknown type, deleting", fname.data); if (ngx_delete_file(fname.data) == NGX_FILE_ERROR) { ngx_log_error(NGX_LOG_CRIT, ctx->log, ngx_errno, ngx_delete_file_n " \"%s\" failed", fname.data); } else { ctx->deleted++; ctx->freed += ngx_de_size(&dir); } } } if (buf.len) { ngx_free(buf.data); } if (ngx_close_dir(&dir) == NGX_ERROR) { ngx_log_error(NGX_LOG_CRIT, ctx->log, ngx_errno, ngx_close_dir_n " \"%s\" failed", fname.data); } return rc; } ngx_int_t ngx_garbage_collector_temp_handler(ngx_gc_t *ctx, ngx_str_t *name, ngx_dir_t *dir) { /* * We use mtime only and do not use atime because: * on NTFS access time has a resolution of 1 hour, * on NT FAT access time has a resolution of 1 day, * Unices have the mount option "noatime". */ if (ngx_time() - ngx_de_mtime(dir) < 3600) { return NGX_OK; } ngx_log_error(NGX_LOG_NOTICE, ctx->log, 0, "delete the stale temporary file \"%s\"", name->data); if (ngx_delete_file(name->data) == NGX_FILE_ERROR) { ngx_log_error(NGX_LOG_CRIT, ctx->log, ngx_errno, ngx_delete_file_n " \"%s\" failed", name->data); return NGX_ERROR; } ctx->deleted++; ctx->freed += ngx_de_size(dir); return NGX_OK; }