diff options
Diffstat (limited to 'events/events_liboop.c')
-rw-r--r-- | events/events_liboop.c | 288 |
1 files changed, 0 insertions, 288 deletions
diff --git a/events/events_liboop.c b/events/events_liboop.c deleted file mode 100644 index 339297a3..00000000 --- a/events/events_liboop.c +++ /dev/null @@ -1,288 +0,0 @@ -/* - Unix SMB/CIFS implementation. - main select loop and event handling - wrapper for http://liboop.org/ - - Copyright (C) Stefan Metzmacher 2005 - - 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 <http://www.gnu.org/licenses/>. -*/ - -#include "events.h" -#include "events_internal.h" - -#include <oop.h> - -/* - !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! - - NOTE: this code compiles fine, but is completly *UNTESTED* - and is only commited as example - - !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! -*/ - -static int oop_event_context_destructor(struct event_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 event_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 fd_event *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 fd_event *fde) -{ - struct event_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 fd_event *oop_event_add_fd(struct event_context *ev, TALLOC_CTX *mem_ctx, - int fd, uint16_t flags, - event_fd_handler_t handler, - void *private_data) -{ - struct fd_event *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 fd_event); - 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 fd_event *fde) -{ - return fde->flags; -} - -/* - set the fd event flags -*/ -static void oop_event_set_fd_flags(struct fd_event *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 timed_event *te); - -static int oop_event_timed_deny_destructor(struct timed_event *te) -{ - return -1; -} - -static void *oop_event_timed_handler(oop_source *oop, struct timeval t, void *ptr) -{ - struct timed_event *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 timed_event *te) -{ - struct event_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 timed_event *oop_event_add_timed(struct event_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 timed_event *te; - - te = talloc(mem_ctx?mem_ctx:ev, struct timed_event); - 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 event_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 event_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_timed = 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; -} |