/* ccapi/common/cci_identifier.c */
/*
* Copyright 2006, 2007 Massachusetts Institute of Technology.
* All Rights Reserved.
*
* Export of this software from the United States of America may
* require a specific license from the United States Government.
* It is the responsibility of any person or organization contemplating
* export to obtain such a license before exporting.
*
* WITHIN THAT CONSTRAINT, permission to use, copy, modify, and
* distribute this software and its documentation for any purpose and
* without fee is hereby granted, provided that the above copyright
* notice appear in all copies and that both that copyright notice and
* this permission notice appear in supporting documentation, and that
* the name of M.I.T. not be used in advertising or publicity pertaining
* to distribution of the software without specific, written prior
* permission. Furthermore if you modify this software you must label
* your software as modified software and not distribute it in such a
* fashion that it might be confused with the original M.I.T. software.
* M.I.T. makes no representations about the suitability of
* this software for any purpose. It is provided "as is" without express
* or implied warranty.
*/
#include "cci_common.h"
#include "cci_os_identifier.h"
struct cci_identifier_d {
cci_uuid_string_t server_id;
cci_uuid_string_t object_id;
};
struct cci_identifier_d cci_identifier_initializer = { NULL, NULL };
#define cci_uninitialized_server_id "NEEDS_SYNC"
#define cci_uninitialized_object_id "NEEDS_SYNC"
struct cci_identifier_d cci_identifier_uninitialized_d = {
cci_uninitialized_server_id,
cci_uninitialized_object_id
};
const cci_identifier_t cci_identifier_uninitialized = &cci_identifier_uninitialized_d;
/* ------------------------------------------------------------------------ */
cc_int32 cci_identifier_new_uuid (cci_uuid_string_t *out_uuid_string)
{
return cci_os_identifier_new_uuid (out_uuid_string);
}
/* ------------------------------------------------------------------------ */
static cc_int32 cci_identifier_alloc (cci_identifier_t *out_identifier,
cci_uuid_string_t in_server_id,
cci_uuid_string_t in_object_id)
{
cc_int32 err = ccNoError;
cci_identifier_t identifier = NULL;
if (!out_identifier) { err = cci_check_error (ccErrBadParam); }
if (!in_server_id ) { err = cci_check_error (ccErrBadParam); }
if (!in_object_id ) { err = cci_check_error (ccErrBadParam); }
if (!err) {
identifier = malloc (sizeof (*identifier));
if (identifier) {
*identifier = cci_identifier_initializer;
} else {
err = cci_check_error (ccErrNoMem);
}
}
if (!err) {
identifier->server_id = strdup (in_server_id);
if (!identifier->server_id) { err = cci_check_error (ccErrNoMem); }
}
if (!err) {
identifier->object_id = strdup (in_object_id);
if (!identifier->object_id) { err = cci_check_error (ccErrNoMem); }
}
if (!err) {
*out_identifier = identifier;
identifier = NULL; /* take ownership */
}
cci_identifier_release (identifier);
return cci_check_error (err);
}
/* ------------------------------------------------------------------------ */
cc_int32 cci_identifier_new (cci_identifier_t *out_identifier,
cci_uuid_string_t in_server_id)
{
cc_int32 err = ccNoError;
cci_uuid_string_t object_id = NULL;
if (!out_identifier) { err = cci_check_error (ccErrBadParam); }
if (!in_server_id ) { err = cci_check_error (ccErrBadParam); }
if (!err) {
err = cci_os_identifier_new_uuid (&object_id);
}
if (!err) {
err = cci_identifier_alloc (out_identifier, in_server_id, object_id);
}
if (object_id) { free (object_id); }
return cci_check_error (err);
}
/* ------------------------------------------------------------------------ */
cc_int32 cci_identifier_copy (cci_identifier_t *out_identifier,
cci_identifier_t in_identifier)
{
cc_int32 err = ccNoError;
if (!out_identifier) { err = cci_check_error (ccErrBadParam); }
if (!in_identifier ) { err = cci_check_error (ccErrBadParam); }
if (!err) {
err = cci_identifier_alloc (out_identifier,
in_identifier->server_id,
in_identifier->object_id);
}
return cci_check_error (err);
}
/* ------------------------------------------------------------------------ */
cc_int32 cci_identifier_release (cci_identifier_t in_identifier)
{
cc_int32 err = ccNoError;
/* Do not free the static "uninitialized" identifier */
if (!err && in_identifier && in_identifier != cci_identifier_uninitialized) {
free (in_identifier->server_id);
free (in_identifier->object_id);
free (in_identifier);
}
return cci_check_error (err);
}
#ifdef TARGET_OS_MAC
#pragma mark -
#endif
/* ------------------------------------------------------------------------ */
cc_int32 cci_identifier_compare (cci_identifier_t in_identifier,
cci_identifier_t in_compare_to_identifier,
cc_uint32 *out_equal)
{
cc_int32 err = ccNoError;
if (!in_identifier ) { err = cci_check_error (ccErrBadParam); }
if (!in_compare_to_identifier) { err = cci_check_error (ccErrBadParam); }
if (!out_equal ) { err = cci_check_error (ccErrBadParam); }
if (!err) {
*out_equal = (!strcmp (in_identifier->object_id,
in_compare_to_identifier->object_id) &&
!strcmp (in_identifier->server_id,
in_compare_to_identifier->server_id));
}
return cci_check_error (err);
}
/* ------------------------------------------------------------------------ */
cc_int32 cci_identifier_is_for_server (cci_identifier_t in_identifier,
cci_uuid_string_t in_server_id,
cc_uint32 *out_is_for_server)
{
cc_int32 err = ccNoError;
if (!in_identifier ) { err = cci_check_error (ccErrBadParam); }
if (!in_server_id ) { err = cci_check_error (ccErrBadParam); }
if (!out_is_for_server) { err = cci_check_error (ccErrBadParam); }
if (!err) {
*out_is_for_server = (!strcmp (in_identifier->server_id, in_server_id) ||
!strcmp (in_identifier->server_id, cci_uninitialized_server_id));
}
return cci_check_error (err);
}
/* ------------------------------------------------------------------------ */
cc_int32 cci_identifier_compare_server_id (cci_identifier_t in_identifier,
cci_identifier_t in_compare_to_identifier,
cc_uint32 *out_equal_server_id)
{
cc_int32 err = ccNoError;
if (!in_identifier ) { err = cci_check_error (ccErrBadParam); }
if (!in_compare_to_identifier) { err = cci_check_error (ccErrBadParam); }
if (!out_equal_server_id ) { err = cci_check_error (ccErrBadParam); }
if (!err) {
*out_equal_server_id = (!strcmp (in_identifier->server_id,
in_compare_to_identifier->server_id));
}
return cci_check_error (err);
}
/* ------------------------------------------------------------------------ */
cc_int32 cci_identifier_is_initialized (cci_identifier_t in_identifier,
cc_uint32 *out_is_initialized)
{
cc_int32 err = ccNoError;
if (!in_identifier ) { err = cci_check_error (ccErrBadParam); }
if (!out_is_initialized) { err = cci_check_error (ccErrBadParam); }
if (!err) {
*out_is_initialized = (strcmp (in_identifier->server_id,
cci_uninitialized_server_id) != 0);
}
return cci_check_error (err);
}
#ifdef TARGET_OS_MAC
#pragma mark -
#endif
/* ------------------------------------------------------------------------ */
cc_uint32 cci_identifier_read (cci_identifier_t *out_identifier,
k5_ipc_stream io_stream)
{
cc_int32 err = ccNoError;
cci_uuid_string_t server_id = NULL;
cci_uuid_string_t object_id = NULL;
if (!out_identifier) { err = cci_check_error (ccErrBadParam); }
if (!io_stream ) { err = cci_check_error (ccErrBadParam); }
if (!err) {
err = krb5int_ipc_stream_read_string (io_stream, &server_id);
}
if (!err) {
err = krb5int_ipc_stream_read_string (io_stream, &object_id);
}
if (!err) {
err = cci_identifier_alloc (out_identifier, server_id, object_id);
}
krb5int_ipc_stream_free_string (server_id);
krb5int_ipc_stream_free_string (object_id);
return cci_check_error (err);
}
/* ------------------------------------------------------------------------ */
cc_uint32 cci_identifier_write (cci_identifier_t in_identifier,
k5_ipc_stream io_stream)
{
cc_int32 err = ccNoError;
if (!in_identifier) { err = cci_check_error (ccErrBadParam); }
if (!io_stream ) { err = cci_check_error (ccErrBadParam); }
if (!err) {
err = krb5int_ipc_stream_write_string (io_stream, in_identifier->server_id);
}
if (!err) {
err = krb5int_ipc_stream_write_string (io_stream, in_identifier->object_id);
}
return cci_check_error (err);
}