Mercurial > hg > nginx
view src/core/ngx_garbage_collector.c @ 2521:119ab57ffaa1
fix NGX_SOCKADDRLEN, introduced in r2513
author | Igor Sysoev <igor@sysoev.ru> |
---|---|
date | Sat, 21 Feb 2009 15:13:13 +0000 |
parents | dadfa78d2270 |
children |
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/* * Copyright (C) Igor Sysoev */ #include <ngx_config.h> #include <ngx_core.h> ngx_int_t ngx_collect_garbage(ngx_gc_t *ctx, ngx_str_t *dname, ngx_int_t 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; buf.data = ngx_alloc(buf.len + 1, ctx->log); if (buf.data == NULL) { 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; }