tevent: remove unused tevent_liboop.c
authorStefan Metzmacher <metze@samba.org>
Tue, 23 Aug 2022 06:24:33 +0000 (08:24 +0200)
committerStefan Metzmacher <metze@samba.org>
Wed, 18 Jan 2023 16:26:36 +0000 (16:26 +0000)
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Pavel Filipenský <pfilipen@redhat.com>
Reviewed-by: Volker Lendecke <vl@samba.org>
lib/tevent/tevent_liboop.c [deleted file]

diff --git a/lib/tevent/tevent_liboop.c b/lib/tevent/tevent_liboop.c
deleted file mode 100644 (file)
index 68be76b..0000000
+++ /dev/null
@@ -1,292 +0,0 @@
-/* 
-   Unix SMB/CIFS implementation.
-   main select loop and event handling
-   wrapper for http://git.lysator.liu.se/liboop/
-
-   Copyright (C) Stefan Metzmacher 2005
-
-     ** NOTE! The following LGPL license applies to the tevent
-     ** library. This does NOT imply that all of Samba is released
-     ** under the LGPL
-
-   This library is free software; you can redistribute it and/or
-   modify it under the terms of the GNU Lesser General Public
-   License as published by the Free Software Foundation; either
-   version 3 of the License, or (at your option) any later version.
-
-   This library 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
-   Lesser General Public License for more details.
-
-   You should have received a copy of the GNU Lesser General Public
-   License along with this library; if not, see <http://www.gnu.org/licenses/>.
-*/
-
-#include "events.h"
-#include "events_internal.h"
-
-#include <oop.h>
-
-/*
- !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! 
-
- NOTE: this code compiles fine, but is completely *UNTESTED*
-       and is only committed as an example
-
- !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!  
-*/
-
-static int oop_event_context_destructor(struct tevent_context *ev)
-{
-       oop_source_sys *oop_sys = ev->additional_data;
-
-       oop_sys_delete(oop_sys);
-
-       return 0;
-}
-
-/*
-  create a oop_event_context structure.
-*/
-static int oop_event_context_init(struct tevent_context *ev, void *private_data)
-{
-       oop_source_sys *oop_sys = private_data;
-
-       if (!oop_sys) {
-               oop_sys = oop_sys_new();
-               if (!oop_sys) {
-                       return -1;
-               }
-
-               talloc_set_destructor(ev, oop_event_context_destructor);
-       }
-
-       ev->additional_data = oop_sys;
-
-       return 0;
-}
-
-static void *oop_event_fd_handler(oop_source *oop, int fd, oop_event oop_type, void *ptr)
-{
-       struct tevent_fd *fde = ptr;
-
-       if (fd != fde->fd) return OOP_ERROR;
-
-       switch(oop_type) {
-               case OOP_READ:
-                       fde->handler(fde->event_ctx, fde, EVENT_FD_READ, fde->private_data);
-                       return OOP_CONTINUE;
-               case OOP_WRITE:
-                       fde->handler(fde->event_ctx, fde, EVENT_FD_WRITE, fde->private_data);
-                       return OOP_CONTINUE;                    
-               case OOP_EXCEPTION:
-                       return OOP_ERROR;
-               case OOP_NUM_EVENTS:
-                       return OOP_ERROR;
-       }
-
-       return OOP_ERROR;
-}
-
-/*
-  destroy an fd_event
-*/
-static int oop_event_fd_destructor(struct tevent_fd *fde)
-{
-       struct tevent_context *ev = fde->event_ctx;
-       oop_source_sys *oop_sys = ev->additional_data;
-       oop_source *oop = oop_sys_source(oop_sys);
-
-       if (fde->flags & EVENT_FD_READ)
-               oop->cancel_fd(oop, fde->fd, OOP_READ);
-       if (fde->flags & EVENT_FD_WRITE)
-               oop->cancel_fd(oop, fde->fd, OOP_WRITE);
-
-       if (fde->flags & EVENT_FD_AUTOCLOSE) {
-               close(fde->fd);
-               fde->fd = -1;
-       }
-
-       return 0;
-}
-
-/*
-  add a fd based event
-  return NULL on failure (memory allocation error)
-*/
-static struct tevent_fd *oop_event_add_fd(struct tevent_context *ev, TALLOC_CTX *mem_ctx,
-                                        int fd, uint16_t flags,
-                                        event_fd_handler_t handler,
-                                        void *private_data)
-{
-       struct tevent_fd *fde;
-       oop_source_sys *oop_sys = ev->additional_data;
-       oop_source *oop = oop_sys_source(oop_sys);
-       
-       fde = talloc(mem_ctx?mem_ctx:ev, struct tevent_fd);
-       if (!fde) return NULL;
-
-       fde->event_ctx          = ev;
-       fde->fd                 = fd;
-       fde->flags              = flags;
-       fde->handler            = handler;
-       fde->private_data       = private_data;
-       fde->additional_flags   = 0;
-       fde->additional_data    = NULL;
-
-       if (fde->flags & EVENT_FD_READ)
-               oop->on_fd(oop, fde->fd, OOP_READ, oop_event_fd_handler, fde);
-       if (fde->flags & EVENT_FD_WRITE)
-               oop->on_fd(oop, fde->fd, OOP_WRITE, oop_event_fd_handler, fde);
-
-       talloc_set_destructor(fde, oop_event_fd_destructor);
-
-       return fde;
-}
-
-/*
-  return the fd event flags
-*/
-static uint16_t oop_event_get_fd_flags(struct tevent_fd *fde)
-{
-       return fde->flags;
-}
-
-/*
-  set the fd event flags
-*/
-static void oop_event_set_fd_flags(struct tevent_fd *fde, uint16_t flags)
-{
-       oop_source_sys *oop_sys;
-       oop_source *oop;
-
-       oop_sys = fde->event_ctx->additional_data;
-       oop = oop_sys_source(oop_sys);
-
-       if ((fde->flags & EVENT_FD_READ)&&(!(flags & EVENT_FD_READ)))
-               oop->cancel_fd(oop, fde->fd, OOP_READ);
-
-       if ((!(fde->flags & EVENT_FD_READ))&&(flags & EVENT_FD_READ))
-               oop->on_fd(oop, fde->fd, OOP_READ, oop_event_fd_handler, fde);
-
-       if ((fde->flags & EVENT_FD_WRITE)&&(!(flags & EVENT_FD_WRITE)))
-               oop->cancel_fd(oop, fde->fd, OOP_WRITE);
-
-       if ((!(fde->flags & EVENT_FD_WRITE))&&(flags & EVENT_FD_WRITE))
-               oop->on_fd(oop, fde->fd, OOP_WRITE, oop_event_fd_handler, fde);
-
-       fde->flags = flags;
-}
-
-static int oop_event_timed_destructor(struct tevent_timer *te);
-
-static int oop_event_timed_deny_destructor(struct tevent_timer *te)
-{
-       return -1;
-}
-
-static void *oop_event_timed_handler(oop_source *oop, struct timeval t, void *ptr)
-{
-       struct tevent_timer *te = ptr;
-
-       /* deny the handler to free the event */
-       talloc_set_destructor(te, oop_event_timed_deny_destructor);
-       te->handler(te->event_ctx, te, t, te->private_data);
-
-       talloc_set_destructor(te, oop_event_timed_destructor);
-       talloc_free(te);
-
-       return OOP_CONTINUE;
-}
-
-/*
-  destroy a timed event
-*/
-static int oop_event_timed_destructor(struct tevent_timer *te)
-{
-       struct tevent_context *ev = te->event_ctx;
-       oop_source_sys *oop_sys = ev->additional_data;
-       oop_source *oop = oop_sys_source(oop_sys);
-
-       oop->cancel_time(oop, te->next_event, oop_event_timed_handler, te);
-
-       return 0;
-}
-
-/*
-  add a timed event
-  return NULL on failure (memory allocation error)
-*/
-static struct tevent_timer *oop_event_add_timed(struct tevent_context *ev, TALLOC_CTX *mem_ctx,
-                                              struct timeval next_event, 
-                                              event_timed_handler_t handler, 
-                                              void *private_data) 
-{
-       oop_source_sys *oop_sys = ev->additional_data;
-       oop_source *oop = oop_sys_source(oop_sys);
-       struct tevent_timer *te;
-
-       te = talloc(mem_ctx?mem_ctx:ev, struct tevent_timer);
-       if (te == NULL) return NULL;
-
-       te->event_ctx           = ev;
-       te->next_event          = next_event;
-       te->handler             = handler;
-       te->private_data        = private_data;
-       te->additional_data     = NULL;
-
-       oop->on_time(oop, te->next_event, oop_event_timed_handler, te);
-
-       talloc_set_destructor(te, oop_event_timed_destructor);
-
-       return te;
-}
-
-/*
-  do a single event loop using the events defined in ev 
-*/
-static int oop_event_loop_once(struct tevent_context *ev)
-{
-       void *oop_ret;
-       oop_source_sys *oop_sys = ev->additional_data;
-
-       oop_ret = oop_sys_run_once(oop_sys);
-       if (oop_ret == OOP_CONTINUE) {
-               return 0;
-       }
-
-       return -1;
-}
-
-/*
-  return on failure or (with 0) if all fd events are removed
-*/
-static int oop_event_loop_wait(struct tevent_context *ev)
-{
-       void *oop_ret;
-       oop_source_sys *oop_sys = ev->additional_data;
-
-       oop_ret = oop_sys_run(oop_sys);
-       if (oop_ret == OOP_CONTINUE) {
-               return 0;
-       }
-
-       return -1;
-}
-
-static const struct event_ops event_oop_ops = {
-       .context_init   = oop_event_context_init,
-       .add_fd         = oop_event_add_fd,
-       .get_fd_flags   = oop_event_get_fd_flags,
-       .set_fd_flags   = oop_event_set_fd_flags,
-       .add_timer      = oop_event_add_timed,
-       .add_signal     = common_event_add_signal,
-       .loop_once      = oop_event_loop_once,
-       .loop_wait      = oop_event_loop_wait,
-};
-
-const struct event_ops *event_liboop_get_ops(void)
-{
-       return &event_oop_ops;
-}