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authorMurray Stokely <murray@FreeBSD.org>2003-01-16 07:29:37 +0000
committerMurray Stokely <murray@FreeBSD.org>2003-01-16 07:29:37 +0000
commite00b76de5662182104104e14ae84311d5f6baa3a (patch)
tree17b27fa69b43230037034a4295d39ce04d49f172 /contrib/isc-dhcp/dhcpctl/callback.c
parent5ad7270f30563f9e223343950b9d85f78b3be537 (diff)
downloadsrc-e00b76de5662182104104e14ae84311d5f6baa3a.tar.gz
src-e00b76de5662182104104e14ae84311d5f6baa3a.zip
Import ISC DHCP 3.0.1 RC11 omshell interface.
Notes
Notes: svn path=/vendor/isc-dhcp/dist/; revision=109365
Diffstat (limited to 'contrib/isc-dhcp/dhcpctl/callback.c')
-rw-r--r--contrib/isc-dhcp/dhcpctl/callback.c179
1 files changed, 179 insertions, 0 deletions
diff --git a/contrib/isc-dhcp/dhcpctl/callback.c b/contrib/isc-dhcp/dhcpctl/callback.c
new file mode 100644
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+++ b/contrib/isc-dhcp/dhcpctl/callback.c
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+/* callback.c
+
+ The dhcpctl callback object. */
+
+/*
+ * Copyright (c) 1999-2002 Internet Software Consortium.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * 3. Neither the name of The Internet Software Consortium nor the names
+ * of its contributors may be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE INTERNET SOFTWARE CONSORTIUM AND
+ * CONTRIBUTORS ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
+ * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL THE INTERNET SOFTWARE CONSORTIUM OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
+ * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+ * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
+ * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ * This software has been written for the Internet Software Consortium
+ * by Ted Lemon in cooperation with Vixie Enterprises and Nominum, Inc.
+ * To learn more about the Internet Software Consortium, see
+ * ``http://www.isc.org/''. To learn more about Vixie Enterprises,
+ * see ``http://www.vix.com''. To learn more about Nominum, Inc., see
+ * ``http://www.nominum.com''.
+ */
+
+#include <omapip/omapip_p.h>
+#include "dhcpctl.h"
+
+/* dhcpctl_set_callback
+
+ synchronous, with asynchronous aftereffect
+ handle is some object upon which some kind of process has been
+ started - e.g., an open, an update or a refresh.
+ data is an anonymous pointer containing some information that
+ the callback will use to figure out what event completed.
+ return value of 0 means callback was successfully set, a nonzero
+ status code is returned otherwise.
+ Upon completion of whatever task is in process, the callback
+ will be passed the handle to the object, a status code
+ indicating what happened, and the anonymous pointer passed to */
+
+dhcpctl_status dhcpctl_set_callback (dhcpctl_handle h, void *data,
+ void (*func) (dhcpctl_handle,
+ dhcpctl_status, void *))
+{
+ dhcpctl_callback_object_t *callback;
+ omapi_object_t *inner;
+ isc_result_t status;
+
+ callback = dmalloc (sizeof *callback, MDL);
+ if (!callback)
+ return ISC_R_NOMEMORY;
+
+ /* Tie the callback object to the innermost object in the chain. */
+ for (inner = h; inner -> inner; inner = inner -> inner)
+ ;
+ omapi_object_reference (&inner -> inner,
+ (omapi_object_t *)callback, MDL);
+ omapi_object_reference ((omapi_object_t **)&callback -> outer,
+ inner, MDL);
+
+ /* Save the actual handle pointer we were passed for the callback. */
+ omapi_object_reference (&callback -> object, h, MDL);
+ callback -> data = data;
+ callback -> callback = func;
+
+ return ISC_R_SUCCESS;
+}
+
+/* Callback methods (not meant to be called directly) */
+
+isc_result_t dhcpctl_callback_set_value (omapi_object_t *h,
+ omapi_object_t *id,
+ omapi_data_string_t *name,
+ omapi_typed_data_t *value)
+{
+ if (h -> type != dhcpctl_callback_type)
+ return ISC_R_INVALIDARG;
+
+ if (h -> inner && h -> inner -> type -> set_value)
+ return (*(h -> inner -> type -> set_value))
+ (h -> inner, id, name, value);
+ return ISC_R_NOTFOUND;
+}
+
+isc_result_t dhcpctl_callback_get_value (omapi_object_t *h,
+ omapi_object_t *id,
+ omapi_data_string_t *name,
+ omapi_value_t **value)
+{
+ if (h -> type != dhcpctl_callback_type)
+ return ISC_R_INVALIDARG;
+
+ if (h -> inner && h -> inner -> type -> get_value)
+ return (*(h -> inner -> type -> get_value))
+ (h -> inner, id, name, value);
+ return ISC_R_NOTFOUND;
+}
+
+isc_result_t dhcpctl_callback_signal_handler (omapi_object_t *o,
+ const char *name, va_list ap)
+{
+ dhcpctl_callback_object_t *p;
+ isc_result_t waitstatus;
+
+ if (o -> type != dhcpctl_callback_type)
+ return ISC_R_INVALIDARG;
+ p = (dhcpctl_callback_object_t *)o;
+
+ /* Not a signal we recognize? */
+ if (strcmp (name, "ready")) {
+ if (p -> inner && p -> inner -> type -> signal_handler)
+ return (*(p -> inner -> type -> signal_handler))
+ (p -> inner, name, ap);
+ return ISC_R_NOTFOUND;
+ }
+
+ if (p -> object -> type == dhcpctl_remote_type) {
+ waitstatus = (((dhcpctl_remote_object_t *)
+ (p -> object)) -> waitstatus);
+ } else
+ waitstatus = ISC_R_SUCCESS;
+
+ /* Do the callback. */
+ if (p -> callback)
+ (*(p -> callback)) (p -> object, waitstatus, p -> data);
+
+ return ISC_R_SUCCESS;
+}
+
+isc_result_t dhcpctl_callback_destroy (omapi_object_t *h,
+ const char *file, int line)
+{
+ dhcpctl_callback_object_t *p;
+ if (h -> type != dhcpctl_callback_type)
+ return ISC_R_INVALIDARG;
+ p = (dhcpctl_callback_object_t *)h;
+ if (p -> handle)
+ omapi_object_dereference ((omapi_object_t **)&p -> handle,
+ file, line);
+ return ISC_R_SUCCESS;
+}
+
+/* Write all the published values associated with the object through the
+ specified connection. */
+
+isc_result_t dhcpctl_callback_stuff_values (omapi_object_t *c,
+ omapi_object_t *id,
+ omapi_object_t *p)
+{
+ int i;
+
+ if (p -> type != dhcpctl_callback_type)
+ return ISC_R_INVALIDARG;
+
+ if (p -> inner && p -> inner -> type -> stuff_values)
+ return (*(p -> inner -> type -> stuff_values)) (c, id,
+ p -> inner);
+ return ISC_R_SUCCESS;
+}
+