117 lines
2.8 KiB
C
117 lines
2.8 KiB
C
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/*
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* FreeSWITCH Modular Media Switching Software Library / Soft-Switch Application
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* Copyright (C) 2005/2006, Anthony Minessale II <anthmct@yahoo.com>
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*
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* Version: MPL 1.1
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*
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Original Code is FreeSWITCH Modular Media Switching Software Library / Soft-Switch Application
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*
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* The Initial Developer of the Original Code is
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* Anthony Minessale II <anthmct@yahoo.com>
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* Portions created by the Initial Developer are Copyright (C)
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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*
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* Anthony Minessale II <anthmct@yahoo.com>
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*
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*
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* switch_utils.c -- Compatability and Helper Code
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*
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*/
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#include <switch_utils.h>
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SWITCH_DECLARE(switch_status) switch_socket_create_pollfd(switch_pollfd_t *poll, switch_socket_t *sock, unsigned int flags, switch_memory_pool *pool)
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{
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switch_pollset_t *pollset;
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switch_status status;
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if ((status = switch_pollset_create(&pollset, 1, pool, flags)) != SWITCH_STATUS_SUCCESS) {
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return status;
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}
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poll->desc_type = SWITCH_POLL_SOCKET;
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poll->reqevents = flags;
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poll->desc.s = sock;
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poll->client_data = sock;
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return switch_pollset_add(pollset, poll);
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}
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SWITCH_DECLARE(int) switch_socket_waitfor(switch_pollfd_t *poll, int ms)
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{
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switch_status status;
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int nsds = 0;
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if ((status = switch_poll(poll, 1, &nsds, ms)) != SWITCH_STATUS_SUCCESS) {
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return -1;
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}
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return nsds;
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}
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#ifdef HAVE_TIMEVAL_STRUCT
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#define ONE_MILLION 1000000
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/*
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* put timeval in a valid range. usec is 0..999999
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* negative values are not allowed and truncated.
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*/
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static struct timeval tvfix(struct timeval a)
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{
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if (a.tv_usec >= ONE_MILLION) {
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a.tv_sec += a.tv_usec % ONE_MILLION;
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a.tv_usec %= ONE_MILLION;
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} else if (a.tv_usec < 0) {
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a.tv_usec = 0;
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}
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return a;
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}
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struct timeval switch_tvadd(struct timeval a, struct timeval b)
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{
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/* consistency checks to guarantee usec in 0..999999 */
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a = tvfix(a);
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b = tvfix(b);
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a.tv_sec += b.tv_sec;
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a.tv_usec += b.tv_usec;
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if (a.tv_usec >= ONE_MILLION) {
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a.tv_sec++;
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a.tv_usec -= ONE_MILLION;
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}
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return a;
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}
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struct timeval switch_tvsub(struct timeval a, struct timeval b)
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{
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/* consistency checks to guarantee usec in 0..999999 */
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a = tvfix(a);
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b = tvfix(b);
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a.tv_sec -= b.tv_sec;
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a.tv_usec -= b.tv_usec;
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if (a.tv_usec < 0) {
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a.tv_sec-- ;
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a.tv_usec += ONE_MILLION;
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}
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return a;
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}
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#undef ONE_MILLION
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#endif
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