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/* PipeWire
*
* Copyright © 2018 Wim Taymans
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice (including the next
* paragraph) shall be included in all copies or substantial portions of the
* Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
* DEALINGS IN THE SOFTWARE.
*/
#include "config.h"
#include <stdio.h>
#include <unistd.h>
#include <sys/mman.h>
#include <jack/uuid.h>
#include <pipewire/pipewire.h>
SPA_EXPORT
jack_uuid_t jack_client_uuid_generate (void)
{
static uint32_t uuid_cnt = 0;
jack_uuid_t uuid = 0x2; /* JackUUIDClient */;
uuid = (uuid << 32) | ++uuid_cnt;
pw_log_debug("uuid %"PRIu64, uuid);
return uuid;
}
SPA_EXPORT
jack_uuid_t jack_port_uuid_generate (uint32_t port_id)
{
jack_uuid_t uuid = 0x1; /* JackUUIDPort */
uuid = (uuid << 32) | (port_id + 1);
pw_log_debug("uuid %d -> %"PRIu64, port_id, uuid);
return uuid;
}
SPA_EXPORT
uint32_t jack_uuid_to_index (jack_uuid_t id)
{
return (id & 0xffffff) - 1;
}
SPA_EXPORT
int jack_uuid_compare (jack_uuid_t id1, jack_uuid_t id2)
{
if (id1 == id2)
return 0;
if (id1 < id2)
return -1;
return 1;
}
SPA_EXPORT
void jack_uuid_copy (jack_uuid_t* dst, jack_uuid_t src)
{
spa_return_if_fail(dst != NULL);
*dst = src;
}
SPA_EXPORT
void jack_uuid_clear (jack_uuid_t *id)
{
spa_return_if_fail(id != NULL);
*id = 0;
}
SPA_EXPORT
int jack_uuid_parse (const char *buf, jack_uuid_t *id)
{
spa_return_val_if_fail(buf != NULL, -EINVAL);
spa_return_val_if_fail(id != NULL, -EINVAL);
if (sscanf (buf, "%" PRIu64, id) == 1) {
if (*id < (0x1LL << 32)) {
/* has not type bits set - not legal */
return -1;
}
return 0;
}
return -1;
}
SPA_EXPORT
void jack_uuid_unparse (jack_uuid_t id, char buf[JACK_UUID_STRING_SIZE])
{
spa_return_if_fail(buf != NULL);
snprintf (buf, JACK_UUID_STRING_SIZE, "%" PRIu64, id);
}
SPA_EXPORT
int jack_uuid_empty (jack_uuid_t id)
{
return id == 0;
}
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