From f05bc403899e25c4299a23f09dde9bad5f4bcc66 Mon Sep 17 00:00:00 2001 From: Volker Lendecke Date: Thu, 28 Feb 2008 13:55:53 +0100 Subject: Add basic infrastructure for general async requests (This used to be commit 9f8b2a87ee8bba930b776dcfda608a5639f6d55a) --- source3/lib/async_req.c | 68 +++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 68 insertions(+) create mode 100644 source3/lib/async_req.c (limited to 'source3/lib/async_req.c') diff --git a/source3/lib/async_req.c b/source3/lib/async_req.c new file mode 100644 index 0000000000..01154ca436 --- /dev/null +++ b/source3/lib/async_req.c @@ -0,0 +1,68 @@ +/* + Unix SMB/CIFS implementation. + Infrastructure for async requests + Copyright (C) Volker Lendecke 2008 + + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 3 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program. If not, see . +*/ + +#include "includes.h" + +char *async_req_print(TALLOC_CTX *mem_ctx, struct async_req *req) +{ + return talloc_asprintf(mem_ctx, "async_req: state=%d, status=%s, " + "priv=%s", req->state, nt_errstr(req->status), + talloc_get_name(req->private_data)); +} + +struct async_req *async_req_new(TALLOC_CTX *mem_ctx, struct event_context *ev) +{ + struct async_req *result; + + result = TALLOC_ZERO_P(mem_ctx, struct async_req); + if (result == NULL) { + return NULL; + } + result->state = ASYNC_REQ_IN_PROGRESS; + result->event_ctx = ev; + result->print = async_req_print; + return result; +} + +void async_req_done(struct async_req *req) +{ + req->status = NT_STATUS_OK; + req->state = ASYNC_REQ_DONE; + if (req->async.fn != NULL) { + req->async.fn(req); + } +} + +void async_req_error(struct async_req *req, NTSTATUS status) +{ + req->status = status; + req->state = ASYNC_REQ_ERROR; + if (req->async.fn != NULL) { + req->async.fn(req); + } +} + +bool async_req_nomem(const void *p, struct async_req *req) +{ + if (p != NULL) { + return false; + } + async_req_error(req, NT_STATUS_NO_MEMORY); + return true; +} -- cgit