Hi, On Thu, Nov 01, 2018 at 07:08:10PM +0300, Maxim Konovalov wrote: > On 01/11/2018 15:30, Roman Arutyunyan wrote: > > Hi, > > > > On Thu, Oct 04, 2018 at 12:32:26PM +0300, Roman Arutyunyan wrote: > >> Hi, > >> > >> On Thu, Sep 13, 2018 at 09:10:23PM +0300, Maxim Dounin wrote: > >>> Hello! > >>> > >>> On Tue, Sep 04, 2018 at 04:58:05PM -0700, Ka-Hing Cheung via nginx-devel > >>> wrote: > >>> > >>>> On Mon, Sep 3, 2018 at 9:09 AM, Maxim Dounin <mdou...@mdounin.ru> wrote: > >> [..] > >> > >> Here's another approach to thread open. This time it's 4 patches: > >> > >> - #1 a small open file cache refactoring > >> - #2 thread open in open file cache > >> - #3 thread open in http static module > >> - #4 thread open in http file cache > > The next iteration of the work. > > Only 3 patches this time. > > Testing and feedbacks are welcome.
An updated patchset which applies to the current nginx source code. This work is still kept as a separate patchset since we have not got enough feedback from potential users. If you're interested in this feature, please try these patches and report back to us. -- Roman Arutyunyan
# HG changeset patch # User Roman Arutyunyan <a...@nginx.com> # Date 1540900849 -10800 # Tue Oct 30 15:00:49 2018 +0300 # Node ID f386594b298d1442e1bfe1add9cdf3c6cf26917b # Parent 1ebd78df4ce7262967c5dadce7bac454c4086896 Threaded open support in open file cache. diff --git a/src/core/ngx_file.h b/src/core/ngx_file.h --- a/src/core/ngx_file.h +++ b/src/core/ngx_file.h @@ -17,6 +17,7 @@ struct ngx_file_s { ngx_fd_t fd; ngx_str_t name; ngx_file_info_t info; + ngx_err_t err; off_t offset; off_t sys_offset; diff --git a/src/core/ngx_open_file_cache.c b/src/core/ngx_open_file_cache.c --- a/src/core/ngx_open_file_cache.c +++ b/src/core/ngx_open_file_cache.c @@ -22,6 +22,8 @@ static void ngx_open_file_cache_cleanup(void *data); +static ngx_int_t ngx_open_uncached_file(ngx_str_t *name, + ngx_open_file_info_t *of, ngx_pool_t *pool); #if (NGX_HAVE_OPENAT) static ngx_fd_t ngx_openat_file_owner(ngx_fd_t at_fd, const u_char *name, ngx_int_t mode, ngx_int_t create, ngx_int_t access, ngx_log_t *log); @@ -147,54 +149,15 @@ ngx_open_cached_file(ngx_open_file_cache time_t now; uint32_t hash; ngx_int_t rc; - ngx_file_info_t fi; ngx_pool_cleanup_t *cln; ngx_cached_open_file_t *file; - ngx_pool_cleanup_file_t *clnf; ngx_open_file_cache_cleanup_t *ofcln; of->fd = NGX_INVALID_FILE; of->err = 0; if (cache == NULL) { - - if (of->test_only) { - - if (ngx_file_info_wrapper(name, of, &fi, pool->log) - == NGX_FILE_ERROR) - { - return NGX_ERROR; - } - - of->uniq = ngx_file_uniq(&fi); - of->mtime = ngx_file_mtime(&fi); - of->size = ngx_file_size(&fi); - of->fs_size = ngx_file_fs_size(&fi); - of->is_dir = ngx_is_dir(&fi); - of->is_file = ngx_is_file(&fi); - of->is_link = ngx_is_link(&fi); - of->is_exec = ngx_is_exec(&fi); - - return NGX_OK; - } - - cln = ngx_pool_cleanup_add(pool, sizeof(ngx_pool_cleanup_file_t)); - if (cln == NULL) { - return NGX_ERROR; - } - - rc = ngx_open_and_stat_file(name, of, pool->log); - - if (rc == NGX_OK && !of->is_dir) { - cln->handler = ngx_pool_cleanup_file; - clnf = cln->data; - - clnf->fd = of->fd; - clnf->name = name->data; - clnf->log = pool->log; - } - - return rc; + return ngx_open_uncached_file(name, of, pool); } cln = ngx_pool_cleanup_add(pool, sizeof(ngx_open_file_cache_cleanup_t)); @@ -486,6 +449,163 @@ failed: } +static ngx_int_t +ngx_open_uncached_file(ngx_str_t *name, ngx_open_file_info_t *of, + ngx_pool_t *pool) +{ + ngx_fd_t fd; + ngx_int_t mode, create, access; + ngx_file_info_t fi; + ngx_pool_cleanup_t *cln; + ngx_pool_cleanup_file_t *clnf; + + if (of->test_only || of->test_dir) { + + if (ngx_file_info_wrapper(name, of, &fi, pool->log) == NGX_FILE_ERROR) { + return NGX_ERROR; + } + + if (of->test_only || ngx_is_dir(&fi)) { + goto done; + } + } + + if (!of->log) { + + /* + * Use non-blocking open() not to hang on FIFO files, etc. + * This flag has no effect on a regular files. + */ + + mode = NGX_FILE_RDONLY|NGX_FILE_NONBLOCK; + create = NGX_FILE_OPEN; + access = 0; + + } else { + mode = NGX_FILE_APPEND; + create = NGX_FILE_CREATE_OR_OPEN; + access = NGX_FILE_DEFAULT_ACCESS; + } + +#if (NGX_THREADS) + + if (of->thread_handler + && of->disable_symlinks == NGX_DISABLE_SYMLINKS_OFF) + { + ngx_int_t rc; + ngx_file_t file; + + ngx_memzero(&file, sizeof(ngx_file_t)); + + file.log = pool->log; + file.fd = NGX_INVALID_FILE; + file.thread_handler = of->thread_handler; + file.thread_ctx = of->thread_ctx; + file.thread_task = of->thread_task; + + rc = ngx_thread_open(&file, name->data, mode, create, access, pool); + + if (rc == NGX_AGAIN) { + of->thread_task = file.thread_task; + return NGX_AGAIN; + } + + if (rc != NGX_OK) { + of->err = file.err; + of->failed = ngx_open_file_n; + return NGX_ERROR; + } + + fd = file.fd; + + } else { + fd = ngx_open_file_wrapper(name, of, mode, create, access, pool->log); + if (fd == NGX_INVALID_FILE) { + return NGX_ERROR; + } + } + +#else + fd = ngx_open_file_wrapper(name, of, mode, create, access, pool->log); + if (fd == NGX_INVALID_FILE) { + return NGX_ERROR; + } +#endif + + if (ngx_fd_info(fd, &fi) == NGX_FILE_ERROR) { + ngx_log_error(NGX_LOG_CRIT, pool->log, ngx_errno, + ngx_fd_info_n " \"%V\" failed", name); + + if (ngx_close_file(fd) == NGX_FILE_ERROR) { + ngx_log_error(NGX_LOG_ALERT, pool->log, ngx_errno, + ngx_close_file_n " \"%V\" failed", name); + } + + return NGX_ERROR; + } + + if (ngx_is_dir(&fi)) { + if (ngx_close_file(fd) == NGX_FILE_ERROR) { + ngx_log_error(NGX_LOG_ALERT, pool->log, ngx_errno, + ngx_close_file_n " \"%V\" failed", name); + } + + } else { + of->fd = fd; + + if (of->read_ahead && ngx_file_size(&fi) > NGX_MIN_READ_AHEAD) { + if (ngx_read_ahead(fd, of->read_ahead) == NGX_ERROR) { + ngx_log_error(NGX_LOG_ALERT, pool->log, ngx_errno, + ngx_read_ahead_n " \"%V\" failed", name); + } + } + + if (of->directio <= ngx_file_size(&fi)) { + if (ngx_directio_on(fd) == NGX_FILE_ERROR) { + ngx_log_error(NGX_LOG_ALERT, pool->log, ngx_errno, + ngx_directio_on_n " \"%V\" failed", name); + + } else { + of->is_directio = 1; + } + } + } + +done: + + of->uniq = ngx_file_uniq(&fi); + of->mtime = ngx_file_mtime(&fi); + of->size = ngx_file_size(&fi); + of->fs_size = ngx_file_fs_size(&fi); + of->is_dir = ngx_is_dir(&fi); + of->is_file = ngx_is_file(&fi); + of->is_link = ngx_is_link(&fi); + of->is_exec = ngx_is_exec(&fi); + + if (of->fd != NGX_INVALID_FILE) { + cln = ngx_pool_cleanup_add(pool, sizeof(ngx_pool_cleanup_file_t)); + + if (cln == NULL) { + if (ngx_close_file(of->fd) == NGX_FILE_ERROR) { + ngx_log_error(NGX_LOG_ALERT, pool->log, ngx_errno, + ngx_close_file_n " \"%s\" failed", name->data); + } + + return NGX_ERROR; + } + + cln->handler = ngx_pool_cleanup_file; + clnf = cln->data; + + clnf->fd = of->fd; + clnf->name = name->data; + clnf->log = pool->log; + } + + return NGX_OK; +} + + #if (NGX_HAVE_OPENAT) static ngx_fd_t diff --git a/src/core/ngx_open_file_cache.h b/src/core/ngx_open_file_cache.h --- a/src/core/ngx_open_file_cache.h +++ b/src/core/ngx_open_file_cache.h @@ -32,6 +32,13 @@ typedef struct { ngx_uint_t min_uses; +#if (NGX_THREADS || NGX_COMPAT) + ngx_int_t (*thread_handler)(ngx_thread_task_t *task, + ngx_file_t *file); + void *thread_ctx; + ngx_thread_task_t *thread_task; +#endif + #if (NGX_HAVE_OPENAT) size_t disable_symlinks_from; unsigned disable_symlinks:2; diff --git a/src/os/unix/ngx_files.c b/src/os/unix/ngx_files.c --- a/src/os/unix/ngx_files.c +++ b/src/os/unix/ngx_files.c @@ -11,6 +11,7 @@ #if (NGX_THREADS) #include <ngx_thread_pool.h> +static void ngx_thread_open_handler(void *data, ngx_log_t *log); static void ngx_thread_read_handler(void *data, ngx_log_t *log); static void ngx_thread_write_chain_to_file_handler(void *data, ngx_log_t *log); #endif @@ -77,20 +78,112 @@ ngx_read_file(ngx_file_t *file, u_char * #if (NGX_THREADS) +typedef enum { + NGX_THREAD_FILE_OPEN = 1, + NGX_THREAD_FILE_READ, + NGX_THREAD_FILE_WRITE +} ngx_thread_file_op_e; + + typedef struct { ngx_fd_t fd; - ngx_uint_t write; /* unsigned write:1; */ + u_char *name; + ngx_uint_t op; /* ngx_thread_file_op_e */ u_char *buf; size_t size; ngx_chain_t *chain; off_t offset; + ngx_int_t mode; + ngx_int_t create; + ngx_int_t access; + size_t nbytes; ngx_err_t err; } ngx_thread_file_ctx_t; +ngx_int_t +ngx_thread_open(ngx_file_t *file, u_char *name, ngx_int_t mode, + ngx_int_t create, ngx_int_t access, ngx_pool_t *pool) +{ + ngx_thread_task_t *task; + ngx_thread_file_ctx_t *ctx; + + ngx_log_debug1(NGX_LOG_DEBUG_CORE, file->log, 0, + "thread open: \"%s\"", name); + + task = file->thread_task; + + if (task == NULL) { + task = ngx_thread_task_alloc(pool, sizeof(ngx_thread_file_ctx_t)); + if (task == NULL) { + return NGX_ERROR; + } + + file->thread_task = task; + } + + ctx = task->ctx; + + if (task->event.complete) { + task->event.complete = 0; + + if (ctx->op != NGX_THREAD_FILE_OPEN) { + ngx_log_error(NGX_LOG_ALERT, file->log, 0, + "invalid thread operation, open expected"); + return NGX_ERROR; + } + + if (ctx->err) { + file->err = ctx->err; + return NGX_ERROR; + } + + file->fd = ctx->fd; + + return NGX_OK; + } + + task->handler = ngx_thread_open_handler; + + ctx->op = NGX_THREAD_FILE_OPEN; + + ctx->name = name; + ctx->mode = mode; + ctx->create = create; + ctx->access = access; + + if (file->thread_handler(task, file) != NGX_OK) { + return NGX_ERROR; + } + + return NGX_AGAIN; +} + + +static void +ngx_thread_open_handler(void *data, ngx_log_t *log) +{ + ngx_thread_file_ctx_t *ctx = data; + + ngx_fd_t fd; + + ngx_log_debug0(NGX_LOG_DEBUG_CORE, log, 0, "thread open handler"); + + fd = ngx_open_file(ctx->name, ctx->mode, ctx->create, ctx->access); + + if (fd == NGX_INVALID_FILE) { + ctx->err = ngx_errno; + + } else { + ctx->fd = fd; + ctx->err = 0; + } +} + + ssize_t ngx_thread_read(ngx_file_t *file, u_char *buf, size_t size, off_t offset, ngx_pool_t *pool) @@ -118,9 +211,9 @@ ngx_thread_read(ngx_file_t *file, u_char if (task->event.complete) { task->event.complete = 0; - if (ctx->write) { + if (ctx->op != NGX_THREAD_FILE_READ) { ngx_log_error(NGX_LOG_ALERT, file->log, 0, - "invalid thread call, read instead of write"); + "invalid thread operation, read expected"); return NGX_ERROR; } @@ -135,7 +228,7 @@ ngx_thread_read(ngx_file_t *file, u_char task->handler = ngx_thread_read_handler; - ctx->write = 0; + ctx->op = NGX_THREAD_FILE_READ; ctx->fd = file->fd; ctx->buf = buf; @@ -501,9 +594,9 @@ ngx_thread_write_chain_to_file(ngx_file_ if (task->event.complete) { task->event.complete = 0; - if (!ctx->write) { + if (ctx->op != NGX_THREAD_FILE_WRITE) { ngx_log_error(NGX_LOG_ALERT, file->log, 0, - "invalid thread call, write instead of read"); + "invalid thread operation, write expected"); return NGX_ERROR; } @@ -519,7 +612,7 @@ ngx_thread_write_chain_to_file(ngx_file_ task->handler = ngx_thread_write_chain_to_file_handler; - ctx->write = 1; + ctx->op = NGX_THREAD_FILE_WRITE; ctx->fd = file->fd; ctx->chain = cl; diff --git a/src/os/unix/ngx_files.h b/src/os/unix/ngx_files.h --- a/src/os/unix/ngx_files.h +++ b/src/os/unix/ngx_files.h @@ -386,6 +386,8 @@ extern ngx_uint_t ngx_file_aio; #endif #if (NGX_THREADS) +ngx_int_t ngx_thread_open(ngx_file_t *file, u_char *name, + ngx_int_t mode, ngx_int_t create, ngx_int_t access, ngx_pool_t *pool); ssize_t ngx_thread_read(ngx_file_t *file, u_char *buf, size_t size, off_t offset, ngx_pool_t *pool); ssize_t ngx_thread_write_chain_to_file(ngx_file_t *file, ngx_chain_t *cl,
# HG changeset patch # User Roman Arutyunyan <a...@nginx.com> # Date 1627978611 -10800 # Tue Aug 03 11:16:51 2021 +0300 # Node ID 70f0a417176574d8f4739bf960fdd0b873ccf048 # Parent f386594b298d1442e1bfe1add9cdf3c6cf26917b Static: threaded open support. diff --git a/src/http/modules/ngx_http_static_module.c b/src/http/modules/ngx_http_static_module.c --- a/src/http/modules/ngx_http_static_module.c +++ b/src/http/modules/ngx_http_static_module.c @@ -11,7 +11,14 @@ static ngx_int_t ngx_http_static_handler(ngx_http_request_t *r); +static ngx_int_t ngx_http_static_send(ngx_http_request_t *r); static ngx_int_t ngx_http_static_init(ngx_conf_t *cf); +#if (NGX_THREADS) +static void ngx_http_static_write_event_handler(ngx_http_request_t *r); +static ngx_int_t ngx_http_static_thread_handler(ngx_thread_task_t *task, + ngx_file_t *file); +static void ngx_http_static_thread_event_handler(ngx_event_t *ev); +#endif static ngx_http_module_t ngx_http_static_module_ctx = { @@ -48,15 +55,9 @@ ngx_module_t ngx_http_static_module = { static ngx_int_t ngx_http_static_handler(ngx_http_request_t *r) { - u_char *last, *location; - size_t root, len; - ngx_str_t path; + size_t root; + u_char *last; ngx_int_t rc; - ngx_uint_t level; - ngx_log_t *log; - ngx_buf_t *b; - ngx_chain_t out; - ngx_open_file_info_t of; ngx_http_core_loc_conf_t *clcf; if (!(r->method & (NGX_HTTP_GET|NGX_HTTP_HEAD|NGX_HTTP_POST))) { @@ -67,42 +68,81 @@ ngx_http_static_handler(ngx_http_request return NGX_DECLINED; } - log = r->connection->log; - /* * ngx_http_map_uri_to_path() allocates memory for terminating '\0' * so we do not need to reserve memory for '/' for possible redirect */ - last = ngx_http_map_uri_to_path(r, &path, &root, 0); + last = ngx_http_map_uri_to_path(r, &r->open_file_name, &root, 0); if (last == NULL) { return NGX_HTTP_INTERNAL_SERVER_ERROR; } - path.len = last - path.data; + r->open_file_name.len = last - r->open_file_name.data; - ngx_log_debug1(NGX_LOG_DEBUG_HTTP, log, 0, - "http filename: \"%s\"", path.data); + ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, + "http filename: \"%s\"", r->open_file_name.data); clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module); - ngx_memzero(&of, sizeof(ngx_open_file_info_t)); + ngx_memzero(&r->open_file_info, sizeof(ngx_open_file_info_t)); - of.read_ahead = clcf->read_ahead; - of.directio = clcf->directio; - of.valid = clcf->open_file_cache_valid; - of.min_uses = clcf->open_file_cache_min_uses; - of.errors = clcf->open_file_cache_errors; - of.events = clcf->open_file_cache_events; +#if (NGX_THREADS) + if (clcf->aio == NGX_HTTP_AIO_THREADS && clcf->aio_open) { + r->open_file_info.thread_handler = ngx_http_static_thread_handler; + r->open_file_info.thread_ctx = r; + } +#endif - if (ngx_http_set_disable_symlinks(r, clcf, &path, &of) != NGX_OK) { + if (ngx_http_set_open_file(r, clcf, &r->open_file_name, &r->open_file_info) + != NGX_OK) + { return NGX_HTTP_INTERNAL_SERVER_ERROR; } - if (ngx_open_cached_file(clcf->open_file_cache, &path, &of, r->pool) - != NGX_OK) - { - switch (of.err) { + rc = ngx_http_static_send(r); + +#if (NGX_THREADS) + if (rc == NGX_DONE) { + r->main->count++; + r->write_event_handler = ngx_http_static_write_event_handler; + } +#endif + + return rc; +} + + +static ngx_int_t +ngx_http_static_send(ngx_http_request_t *r) +{ + u_char *location, *last; + size_t len; + ngx_log_t *log; + ngx_int_t rc; + ngx_uint_t level; + ngx_buf_t *b; + ngx_chain_t out; + ngx_http_core_loc_conf_t *clcf; + + ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, + "http static send: \"%s\"", r->open_file_name.data); + + clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module); + + log = r->connection->log; + + rc = ngx_open_cached_file(clcf->open_file_cache, &r->open_file_name, + &r->open_file_info, r->pool); + +#if (NGX_THREADS) + if (rc == NGX_AGAIN) { + return NGX_DONE; + } +#endif + + if (rc != NGX_OK) { + switch (r->open_file_info.err) { case 0: return NGX_HTTP_INTERNAL_SERVER_ERROR; @@ -133,8 +173,9 @@ ngx_http_static_handler(ngx_http_request } if (rc != NGX_HTTP_NOT_FOUND || clcf->log_not_found) { - ngx_log_error(level, log, of.err, - "%s \"%s\" failed", of.failed, path.data); + ngx_log_error(level, log, r->open_file_info.err, + "%s \"%s\" failed", r->open_file_info.failed, + r->open_file_name.data); } return rc; @@ -142,9 +183,10 @@ ngx_http_static_handler(ngx_http_request r->root_tested = !r->error_page; - ngx_log_debug1(NGX_LOG_DEBUG_HTTP, log, 0, "http static fd: %d", of.fd); + ngx_log_debug1(NGX_LOG_DEBUG_HTTP, log, 0, "http static fd: %d", + r->open_file_info.fd); - if (of.is_dir) { + if (r->open_file_info.is_dir) { ngx_log_debug0(NGX_LOG_DEBUG_HTTP, log, 0, "http dir"); @@ -157,10 +199,10 @@ ngx_http_static_handler(ngx_http_request len = r->uri.len + 1; - if (!clcf->alias && r->args.len == 0) { - location = path.data + root; + if (!clcf->alias && clcf->root_lengths == NULL && r->args.len == 0) { + location = r->open_file_name.data + clcf->root.len; - *last = '/'; + r->open_file_name.data[r->open_file_name.len] = '/'; } else { if (r->args.len) { @@ -193,9 +235,9 @@ ngx_http_static_handler(ngx_http_request #if !(NGX_WIN32) /* the not regular files are probably Unix specific */ - if (!of.is_file) { + if (!r->open_file_info.is_file) { ngx_log_error(NGX_LOG_CRIT, log, 0, - "\"%s\" is not a regular file", path.data); + "\"%s\" is not a regular file", r->open_file_name.data); return NGX_HTTP_NOT_FOUND; } @@ -215,8 +257,8 @@ ngx_http_static_handler(ngx_http_request log->action = "sending response to client"; r->headers_out.status = NGX_HTTP_OK; - r->headers_out.content_length_n = of.size; - r->headers_out.last_modified_time = of.mtime; + r->headers_out.content_length_n = r->open_file_info.size; + r->headers_out.last_modified_time = r->open_file_info.mtime; if (ngx_http_set_etag(r) != NGX_OK) { return NGX_HTTP_INTERNAL_SERVER_ERROR; @@ -226,7 +268,7 @@ ngx_http_static_handler(ngx_http_request return NGX_HTTP_INTERNAL_SERVER_ERROR; } - if (r != r->main && of.size == 0) { + if (r != r->main && r->open_file_info.size == 0) { return ngx_http_send_header(r); } @@ -251,16 +293,16 @@ ngx_http_static_handler(ngx_http_request } b->file_pos = 0; - b->file_last = of.size; + b->file_last = r->open_file_info.size; b->in_file = b->file_last ? 1: 0; b->last_buf = (r == r->main) ? 1: 0; b->last_in_chain = 1; - b->file->fd = of.fd; - b->file->name = path; + b->file->fd = r->open_file_info.fd; + b->file->name = r->open_file_name; b->file->log = log; - b->file->directio = of.is_directio; + b->file->directio = r->open_file_info.is_directio; out.buf = b; out.next = NULL; @@ -269,6 +311,94 @@ ngx_http_static_handler(ngx_http_request } +#if (NGX_THREADS) + +static void +ngx_http_static_write_event_handler(ngx_http_request_t *r) +{ + ngx_int_t rc; + + if (r->aio) { + return; + } + + rc = ngx_http_static_send(r); + + if (rc != NGX_DONE) { + ngx_http_finalize_request(r, rc); + } +} + + +static ngx_int_t +ngx_http_static_thread_handler(ngx_thread_task_t *task, ngx_file_t *file) +{ + ngx_str_t name; + ngx_thread_pool_t *tp; + ngx_http_request_t *r; + ngx_http_core_loc_conf_t *clcf; + + r = file->thread_ctx; + + clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module); + + tp = clcf->thread_pool; + + if (tp == NULL) { + if (ngx_http_complex_value(r, clcf->thread_pool_value, &name) + != NGX_OK) + { + return NGX_ERROR; + } + + tp = ngx_thread_pool_get((ngx_cycle_t *) ngx_cycle, &name); + + if (tp == NULL) { + ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, + "thread pool \"%V\" not found", &name); + return NGX_ERROR; + } + } + + task->event.data = r; + task->event.handler = ngx_http_static_thread_event_handler; + + if (ngx_thread_task_post(tp, task) != NGX_OK) { + return NGX_ERROR; + } + + r->main->blocked++; + r->aio = 1; + + return NGX_OK; +} + + +static void +ngx_http_static_thread_event_handler(ngx_event_t *ev) +{ + ngx_connection_t *c; + ngx_http_request_t *r; + + r = ev->data; + c = r->connection; + + ngx_http_set_log_request(c->log, r); + + ngx_log_debug2(NGX_LOG_DEBUG_HTTP, c->log, 0, + "http static thread: \"%V?%V\"", &r->uri, &r->args); + + r->main->blocked--; + r->aio = 0; + + r->write_event_handler(r); + + ngx_http_run_posted_requests(c); +} + +#endif + + static ngx_int_t ngx_http_static_init(ngx_conf_t *cf) { diff --git a/src/http/ngx_http_core_module.c b/src/http/ngx_http_core_module.c --- a/src/http/ngx_http_core_module.c +++ b/src/http/ngx_http_core_module.c @@ -423,6 +423,13 @@ static ngx_command_t ngx_http_core_comm offsetof(ngx_http_core_loc_conf_t, aio_write), NULL }, + { ngx_string("aio_open"), + NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG, + ngx_conf_set_flag_slot, + NGX_HTTP_LOC_CONF_OFFSET, + offsetof(ngx_http_core_loc_conf_t, aio_open), + NULL }, + { ngx_string("read_ahead"), NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, ngx_conf_set_size_slot, @@ -2649,6 +2656,21 @@ ngx_http_cleanup_add(ngx_http_request_t ngx_int_t +ngx_http_set_open_file(ngx_http_request_t *r, + ngx_http_core_loc_conf_t *clcf, ngx_str_t *path, ngx_open_file_info_t *of) +{ + of->read_ahead = clcf->read_ahead; + of->directio = clcf->directio; + of->valid = clcf->open_file_cache_valid; + of->min_uses = clcf->open_file_cache_min_uses; + of->errors = clcf->open_file_cache_errors; + of->events = clcf->open_file_cache_events; + + return ngx_http_set_disable_symlinks(r, clcf, path, of); +} + + +ngx_int_t ngx_http_set_disable_symlinks(ngx_http_request_t *r, ngx_http_core_loc_conf_t *clcf, ngx_str_t *path, ngx_open_file_info_t *of) { @@ -3488,6 +3510,7 @@ ngx_http_core_create_loc_conf(ngx_conf_t clcf->subrequest_output_buffer_size = NGX_CONF_UNSET_SIZE; clcf->aio = NGX_CONF_UNSET; clcf->aio_write = NGX_CONF_UNSET; + clcf->aio_open = NGX_CONF_UNSET; #if (NGX_THREADS) clcf->thread_pool = NGX_CONF_UNSET_PTR; clcf->thread_pool_value = NGX_CONF_UNSET_PTR; @@ -3712,6 +3735,7 @@ ngx_http_core_merge_loc_conf(ngx_conf_t (size_t) ngx_pagesize); ngx_conf_merge_value(conf->aio, prev->aio, NGX_HTTP_AIO_OFF); ngx_conf_merge_value(conf->aio_write, prev->aio_write, 0); + ngx_conf_merge_value(conf->aio_open, prev->aio_open, 0); #if (NGX_THREADS) ngx_conf_merge_ptr_value(conf->thread_pool, prev->thread_pool, NULL); ngx_conf_merge_ptr_value(conf->thread_pool_value, prev->thread_pool_value, diff --git a/src/http/ngx_http_core_module.h b/src/http/ngx_http_core_module.h --- a/src/http/ngx_http_core_module.h +++ b/src/http/ngx_http_core_module.h @@ -383,6 +383,7 @@ struct ngx_http_core_loc_conf_s { ngx_flag_t sendfile; /* sendfile */ ngx_flag_t aio; /* aio */ ngx_flag_t aio_write; /* aio_write */ + ngx_flag_t aio_open; /* aio_open */ ngx_flag_t tcp_nopush; /* tcp_nopush */ ngx_flag_t tcp_nodelay; /* tcp_nodelay */ ngx_flag_t reset_timedout_connection; /* reset_timedout_connection */ @@ -523,6 +524,8 @@ ngx_int_t ngx_http_request_body_save_fil ngx_chain_t *chain); +ngx_int_t ngx_http_set_open_file(ngx_http_request_t *r, + ngx_http_core_loc_conf_t *clcf, ngx_str_t *path, ngx_open_file_info_t *of); ngx_int_t ngx_http_set_disable_symlinks(ngx_http_request_t *r, ngx_http_core_loc_conf_t *clcf, ngx_str_t *path, ngx_open_file_info_t *of); diff --git a/src/http/ngx_http_request.h b/src/http/ngx_http_request.h --- a/src/http/ngx_http_request.h +++ b/src/http/ngx_http_request.h @@ -427,6 +427,9 @@ struct ngx_http_request_s { ngx_http_variable_value_t *variables; + ngx_str_t open_file_name; + ngx_open_file_info_t open_file_info; + #if (NGX_PCRE) ngx_uint_t ncaptures; int *captures;
# HG changeset patch # User Roman Arutyunyan <a...@nginx.com> # Date 1627978716 -10800 # Tue Aug 03 11:18:36 2021 +0300 # Node ID b506b57df4a716b253cd7e5e701fd34b67f6850c # Parent 70f0a417176574d8f4739bf960fdd0b873ccf048 Cache: threaded open support. diff --git a/src/http/ngx_http_file_cache.c b/src/http/ngx_http_file_cache.c --- a/src/http/ngx_http_file_cache.c +++ b/src/http/ngx_http_file_cache.c @@ -18,6 +18,8 @@ static void ngx_http_file_cache_lock_wai ngx_http_cache_t *c); static ngx_int_t ngx_http_file_cache_read(ngx_http_request_t *r, ngx_http_cache_t *c); +static ngx_int_t ngx_http_file_cache_aio_open(ngx_http_request_t *r, + ngx_http_cache_t *c); static ssize_t ngx_http_file_cache_aio_read(ngx_http_request_t *r, ngx_http_cache_t *c); #if (NGX_HAVE_FILE_AIO) @@ -264,13 +266,11 @@ ngx_http_file_cache_create_key(ngx_http_ ngx_int_t ngx_http_file_cache_open(ngx_http_request_t *r) { - ngx_int_t rc, rv; - ngx_uint_t test; - ngx_http_cache_t *c; - ngx_pool_cleanup_t *cln; - ngx_open_file_info_t of; - ngx_http_file_cache_t *cache; - ngx_http_core_loc_conf_t *clcf; + ngx_int_t rc; + ngx_uint_t test; + ngx_http_cache_t *c; + ngx_pool_cleanup_t *cln; + ngx_http_file_cache_t *cache; c = r->cache; @@ -317,7 +317,6 @@ ngx_http_file_cache_open(ngx_http_reques c->temp_file = 1; test = c->exists ? 1 : 0; - rv = NGX_DECLINED; } else { /* rc == NGX_DECLINED */ @@ -329,11 +328,10 @@ ngx_http_file_cache_open(ngx_http_reques return NGX_HTTP_CACHE_SCARCE; } - rv = NGX_HTTP_CACHE_SCARCE; + c->temp_file = 0; } else { c->temp_file = 1; - rv = NGX_DECLINED; } } @@ -342,62 +340,10 @@ ngx_http_file_cache_open(ngx_http_reques } if (!test) { - goto done; - } - - clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module); - - ngx_memzero(&of, sizeof(ngx_open_file_info_t)); - - of.uniq = c->uniq; - of.valid = clcf->open_file_cache_valid; - of.min_uses = clcf->open_file_cache_min_uses; - of.events = clcf->open_file_cache_events; - of.directio = NGX_OPEN_FILE_DIRECTIO_OFF; - of.read_ahead = clcf->read_ahead; - - if (ngx_open_cached_file(clcf->open_file_cache, &c->file.name, &of, r->pool) - != NGX_OK) - { - switch (of.err) { - - case 0: - return NGX_ERROR; - - case NGX_ENOENT: - case NGX_ENOTDIR: - goto done; - - default: - ngx_log_error(NGX_LOG_CRIT, r->connection->log, of.err, - ngx_open_file_n " \"%s\" failed", c->file.name.data); - return NGX_ERROR; - } - } - - ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, - "http file cache fd: %d", of.fd); - - c->file.fd = of.fd; - c->file.log = r->connection->log; - c->uniq = of.uniq; - c->length = of.size; - c->fs_size = (of.fs_size + cache->bsize - 1) / cache->bsize; - - c->buf = ngx_create_temp_buf(r->pool, c->body_start); - if (c->buf == NULL) { - return NGX_ERROR; + return ngx_http_file_cache_lock(r, c); } return ngx_http_file_cache_read(r, c); - -done: - - if (rv == NGX_DECLINED) { - return ngx_http_file_cache_lock(r, c); - } - - return rv; } @@ -407,6 +353,10 @@ ngx_http_file_cache_lock(ngx_http_reques ngx_msec_t now, timer; ngx_http_file_cache_t *cache; + if (!c->temp_file) { + return NGX_HTTP_CACHE_SCARCE; + } + if (!c->lock) { return NGX_DECLINED; } @@ -536,6 +486,12 @@ ngx_http_file_cache_read(ngx_http_reques ngx_http_file_cache_t *cache; ngx_http_file_cache_header_t *h; + rc = ngx_http_file_cache_aio_open(r, c); + + if (rc != NGX_OK) { + return rc; + } + n = ngx_http_file_cache_aio_read(r, c); if (n < 0) { @@ -665,6 +621,89 @@ ngx_http_file_cache_read(ngx_http_reques } +static ngx_int_t +ngx_http_file_cache_aio_open(ngx_http_request_t *r, ngx_http_cache_t *c) +{ + ngx_int_t rc; + ngx_http_file_cache_t *cache; + ngx_http_core_loc_conf_t *clcf; + + if (c->file.fd != NGX_INVALID_FILE) { + return NGX_OK; + } + + clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module); + + if (!c->reading) { + ngx_memzero(&r->open_file_info, sizeof(ngx_open_file_info_t)); + + r->open_file_info.uniq = c->uniq; + r->open_file_info.valid = clcf->open_file_cache_valid; + r->open_file_info.min_uses = clcf->open_file_cache_min_uses; + r->open_file_info.events = clcf->open_file_cache_events; + r->open_file_info.directio = NGX_OPEN_FILE_DIRECTIO_OFF; + r->open_file_info.read_ahead = clcf->read_ahead; + +#if (NGX_THREADS) + if (clcf->aio == NGX_HTTP_AIO_THREADS && clcf->aio_open) { + r->open_file_info.thread_task = c->thread_task; + r->open_file_info.thread_handler = ngx_http_cache_thread_handler; + r->open_file_info.thread_ctx = r; + } +#endif + } + + rc = ngx_open_cached_file(clcf->open_file_cache, &c->file.name, + &r->open_file_info, r->pool); + +#if (NGX_THREADS) + + if (rc == NGX_AGAIN) { + c->reading = 1; + return NGX_AGAIN; + } + + c->reading = 0; + +#endif + + if (rc != NGX_OK) { + switch (r->open_file_info.err) { + + case NGX_OK: + return NGX_ERROR; + + case NGX_ENOENT: + case NGX_ENOTDIR: + return ngx_http_file_cache_lock(r, c); + + default: + ngx_log_error(NGX_LOG_CRIT, r->connection->log, + r->open_file_info.err, + ngx_open_file_n " \"%s\" failed", c->file.name.data); + return NGX_ERROR; + } + } + + ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, + "http file cache fd: %d", r->open_file_info.fd); + + cache = c->file_cache; + c->file.fd = r->open_file_info.fd; + c->file.log = r->connection->log; + c->uniq = r->open_file_info.uniq; + c->length = r->open_file_info.size; + c->fs_size = (r->open_file_info.fs_size + cache->bsize - 1) / cache->bsize; + + c->buf = ngx_create_temp_buf(r->pool, c->body_start); + if (c->buf == NULL) { + return NGX_ERROR; + } + + return NGX_OK; +} + + static ssize_t ngx_http_file_cache_aio_read(ngx_http_request_t *r, ngx_http_cache_t *c) { @@ -1231,6 +1270,7 @@ ngx_http_file_cache_reopen(ngx_http_requ ngx_shmtx_unlock(&cache->shpool->mutex); c->secondary = 1; + c->file.fd = NGX_INVALID_FILE; c->file.name.len = 0; c->body_start = c->buffer_size;
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