freeswitch/libs/libblade/src/blade_message.c

130 lines
3.4 KiB
C

/*
* Copyright (c) 2007-2014, Anthony Minessale II
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* * 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.
*
* * Neither the name of the original author; nor the names of any contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS 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 COPYRIGHT OWNER
* 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.
*/
#include "blade.h"
struct blade_message_s {
ks_pool_t *pool;
blade_handle_t *handle;
void *data;
ks_size_t data_length;
ks_size_t data_size;
};
KS_DECLARE(ks_status_t) blade_message_destroy(blade_message_t **bmP)
{
blade_message_t *bm = NULL;
ks_assert(bmP);
bm = *bmP;
*bmP = NULL;
ks_assert(bm);
if (bm->data) ks_pool_free(bm->pool, &bm->data);
ks_pool_free(bm->pool, &bm);
return KS_STATUS_SUCCESS;
}
KS_DECLARE(ks_status_t) blade_message_create(blade_message_t **bmP, ks_pool_t *pool, blade_handle_t *handle)
{
blade_message_t *bm = NULL;
ks_assert(bmP);
ks_assert(pool);
ks_assert(handle);
bm = ks_pool_alloc(pool, sizeof(*bm));
bm->pool = pool;
bm->handle = handle;
*bmP = bm;
return KS_STATUS_SUCCESS;
}
KS_DECLARE(ks_status_t) blade_message_discard(blade_message_t **bm)
{
ks_assert(bm);
ks_assert(*bm);
return blade_handle_message_discard((*bm)->handle, bm);
}
KS_DECLARE(ks_status_t) blade_message_set(blade_message_t *bm, void *data, ks_size_t data_length)
{
ks_assert(bm);
ks_assert(data);
ks_assert(data_length > 0);
// @todo fail on a max message size?
if (data_length > bm->data_size) {
// @todo talk to tony about adding flags to ks_pool_resize_ex to prevent the memcpy, don't need to copy old memory here
// otherwise switch to a new allocation instead of resizing
bm->data = ks_pool_resize(bm->pool, bm->data, data_length);
ks_assert(bm->data);
bm->data_size = data_length;
}
memcpy(bm->data, data, data_length);
bm->data_length = data_length;
return KS_STATUS_SUCCESS;
}
KS_DECLARE(ks_status_t) blade_message_get(blade_message_t *bm, void **data, ks_size_t *data_length)
{
ks_assert(bm);
*data = bm->data;
*data_length = bm->data_length;
return KS_STATUS_SUCCESS;
}
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*/