1961 lines
55 KiB
C
1961 lines
55 KiB
C
/*
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* Copyright (c) 2007-2014, Anthony Minessale II
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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*
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* * Neither the name of the original author; nor the names of any contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER
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* OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
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* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include "openzap.h"
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#include "sangoma_boost_client.h"
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#include "zap_sangoma_boost.h"
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#ifdef HAVE_SYS_SELECT_H
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#include <sys/select.h>
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#endif
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#ifndef __WINDOWS__
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#include <poll.h>
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#endif
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#define MAX_TRUNK_GROUPS 64
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static time_t congestion_timeouts[MAX_TRUNK_GROUPS];
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/**
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* \brief Strange flag
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*/
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typedef enum {
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SFLAG_FREE_REQ_ID = (1 << 0),
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SFLAG_SENT_FINAL_MSG = (1 << 1),
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SFLAG_SENT_ACK = (1 << 2),
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SFLAG_RECVD_ACK = (1 << 3),
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SFLAG_HANGUP = (1 << 4),
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SFLAG_TERMINATING = (1 << 5)
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} sflag_t;
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typedef uint16_t sangoma_boost_request_id_t;
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/**
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* \brief SANGOMA boost request status
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*/
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typedef enum {
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BST_FREE,
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BST_WAITING,
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BST_ACK,
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BST_READY,
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BST_FAIL
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} sangoma_boost_request_status_t;
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/**
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* \brief SANGOMA boost request structure
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*/
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typedef struct {
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sangoma_boost_request_status_t status;
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sangomabc_short_event_t event;
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zap_span_t *span;
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zap_channel_t *zchan;
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int hangup_cause;
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int flags;
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} sangoma_boost_request_t;
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//#define MAX_REQ_ID ZAP_MAX_PHYSICAL_SPANS_PER_LOGICAL_SPAN * ZAP_MAX_CHANNELS_PHYSICAL_SPAN
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#define MAX_REQ_ID 6000
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static uint16_t SETUP_GRID[ZAP_MAX_PHYSICAL_SPANS_PER_LOGICAL_SPAN+1][ZAP_MAX_CHANNELS_PHYSICAL_SPAN+1] = {{ 0 }};
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static sangoma_boost_request_t OUTBOUND_REQUESTS[MAX_REQ_ID+1] = {{ 0 }};
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static zap_mutex_t *request_mutex = NULL;
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static uint8_t req_map[MAX_REQ_ID+1] = { 0 };
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static uint8_t nack_map[MAX_REQ_ID+1] = { 0 };
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/**
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* \brief Releases span and channel from setup grid
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* \param span Span number
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* \param chan Channel number
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* \param func Calling function
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* \param line Line number on request
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* \return NULL if not found, channel otherwise
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*/
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static void __release_request_id_span_chan(int span, int chan, const char *func, int line)
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{
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int id;
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zap_mutex_lock(request_mutex);
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if ((id = SETUP_GRID[span][chan])) {
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assert(id <= MAX_REQ_ID);
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req_map[id] = 0;
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SETUP_GRID[span][chan] = 0;
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}
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zap_mutex_unlock(request_mutex);
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}
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#define release_request_id_span_chan(s, c) __release_request_id_span_chan(s, c, __FUNCTION__, __LINE__)
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/**
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* \brief Releases request ID
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* \param func Calling function
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* \param line Line number on request
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* \return NULL if not found, channel otherwise
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*/
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static void __release_request_id(sangoma_boost_request_id_t r, const char *func, int line)
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{
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assert(r <= MAX_REQ_ID);
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zap_mutex_lock(request_mutex);
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req_map[r] = 0;
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zap_mutex_unlock(request_mutex);
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}
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#define release_request_id(r) __release_request_id(r, __FUNCTION__, __LINE__)
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static sangoma_boost_request_id_t last_req = 0;
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/**
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* \brief Gets the first available tank request ID
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* \param func Calling function
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* \param line Line number on request
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* \return 0 on failure, request ID on success
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*/
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static sangoma_boost_request_id_t __next_request_id(const char *func, int line)
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{
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sangoma_boost_request_id_t r = 0, i = 0;
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int found=0;
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zap_mutex_lock(request_mutex);
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//r = ++last_req;
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//while(!r || req_map[r]) {
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for (i=1; i<= MAX_REQ_ID; i++){
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r = ++last_req;
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if (r >= MAX_REQ_ID) {
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r = i = last_req = 1;
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}
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if (req_map[r]) {
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/* Busy find another */
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continue;
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}
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req_map[r] = 1;
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found=1;
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break;
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}
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zap_mutex_unlock(request_mutex);
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if (!found) {
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return 0;
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}
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return r;
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}
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#define next_request_id() __next_request_id(__FUNCTION__, __LINE__)
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/**
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* \brief Finds the channel that triggered an event
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* \param span Span where to search the channel
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* \param event SANGOMA event
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* \param force Do not wait for the channel to be available if in use
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* \return NULL if not found, channel otherwise
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*/
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static zap_channel_t *find_zchan(zap_span_t *span, sangomabc_short_event_t *event, int force)
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{
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int i;
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zap_channel_t *zchan = NULL;
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for(i = 1; i <= span->chan_count; i++) {
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if (span->channels[i]->physical_span_id == event->span+1 && span->channels[i]->physical_chan_id == event->chan+1) {
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zchan = span->channels[i];
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if (force || (zchan->state == ZAP_CHANNEL_STATE_DOWN && !zap_test_flag(zchan, ZAP_CHANNEL_INUSE))) {
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break;
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} else {
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zchan = NULL;
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zap_log(ZAP_LOG_DEBUG, "Channel %d:%d ~ %d:%d is already in use.\n",
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span->channels[i]->span_id,
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span->channels[i]->chan_id,
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span->channels[i]->physical_span_id,
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span->channels[i]->physical_chan_id
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);
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break;
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}
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}
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}
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return zchan;
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}
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static int check_congestion(int trunk_group)
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{
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if (congestion_timeouts[trunk_group]) {
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time_t now = time(NULL);
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if (now >= congestion_timeouts[trunk_group]) {
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congestion_timeouts[trunk_group] = 0;
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} else {
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return 1;
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}
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}
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return 0;
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}
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/**
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* \brief Requests an sangoma boost channel on a span (outgoing call)
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* \param span Span where to get a channel
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* \param chan_id Specific channel to get (0 for any)
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* \param direction Call direction
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* \param caller_data Caller information
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* \param zchan Channel to initialise
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* \return Success or failure
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*/
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static ZIO_CHANNEL_REQUEST_FUNCTION(sangoma_boost_channel_request)
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{
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zap_sangoma_boost_data_t *sangoma_boost_data = span->signal_data;
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zap_status_t status = ZAP_FAIL;
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sangoma_boost_request_id_t r;
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sangomabc_event_t event = {0};
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/* sanity has to be more than 8 seconds.
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* In PRI specs, timeout is 4 seconds for remote switch to respond to a SETUP,
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* and PRI stack will retransmit a second SETUP after the first timeout, so
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* we should allow for at least 8 seconds */
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int sanity = 10000;
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sangoma_boost_request_status_t st;
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char ani[128] = "";
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char *gr = NULL;
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uint32_t count = 0;
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int tg=0;
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if (zap_test_flag(span, ZAP_SPAN_SUSPENDED)) {
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zap_log(ZAP_LOG_CRIT, "SPAN is not online.\n");
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*zchan = NULL;
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return ZAP_FAIL;
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}
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zap_set_string(ani, caller_data->ani.digits);
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if ((gr = strchr(ani, '@'))) {
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*gr++ = '\0';
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}
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if (gr && *(gr+1)) {
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tg = atoi(gr+1);
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if (tg > 0) {
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tg--;
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}
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}
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event.trunk_group = tg;
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if (check_congestion(tg)) {
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zap_log(ZAP_LOG_CRIT, "All circuits are busy. Trunk Group=%i (BOOST REQUESTED BACK OFF)\n",tg+1);
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*zchan = NULL;
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return ZAP_FAIL;
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}
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zap_span_channel_use_count(span, &count);
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if (count >= span->chan_count) {
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zap_log(ZAP_LOG_CRIT, "All circuits are busy.\n");
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*zchan = NULL;
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return ZAP_FAIL;
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}
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r = next_request_id();
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if (r == 0) {
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zap_log(ZAP_LOG_CRIT, "All tanks ids are busy.\n");
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*zchan = NULL;
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return ZAP_FAIL;
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}
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/* sangomabc_call_init (event, calling, called, setup_id) */
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sangomabc_call_init(&event, caller_data->cid_num.digits, ani, r);
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//sangoma_bc_call_init will clear the trunk_group val so we need to set it again
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event.trunk_group=tg;
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if (gr && *(gr+1)) {
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switch(*gr) {
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case 'g':
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event.hunt_group = SIGBOOST_HUNTGRP_SEQ_ASC;
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break;
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case 'G':
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event.hunt_group = SIGBOOST_HUNTGRP_SEQ_DESC;
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break;
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case 'r':
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event.hunt_group = SIGBOOST_HUNTGRP_RR_ASC;
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break;
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case 'R':
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event.hunt_group = SIGBOOST_HUNTGRP_RR_DESC;
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break;
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default:
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zap_log(ZAP_LOG_WARNING, "Failed to determine huntgroup (%s)\n", gr);
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event.hunt_group = SIGBOOST_HUNTGRP_SEQ_ASC;
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}
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}
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zap_set_string(event.calling_name, caller_data->cid_name);
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zap_set_string(event.rdnis.digits, caller_data->rdnis.digits);
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if (strlen(caller_data->rdnis.digits)) {
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event.rdnis.digits_count = strlen(caller_data->rdnis.digits)+1;
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event.rdnis.ton = caller_data->rdnis.type;
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event.rdnis.npi = caller_data->rdnis.plan;
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}
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event.calling.screening_ind = caller_data->screen;
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event.calling.presentation_ind = caller_data->pres;
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event.calling.ton = caller_data->cid_num.type;
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event.calling.npi = caller_data->cid_num.plan;
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event.called.ton = caller_data->ani.type;
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event.called.npi = caller_data->ani.plan;
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if (caller_data->raw_data_len) {
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zap_set_string((char *)event.isup_in_rdnis, (char *)caller_data->raw_data);
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event.isup_in_rdnis_size = caller_data->raw_data_len;
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}
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OUTBOUND_REQUESTS[r].status = BST_WAITING;
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OUTBOUND_REQUESTS[r].span = span;
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if (sangomabc_connection_write(&sangoma_boost_data->mcon, &event) <= 0) {
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zap_log(ZAP_LOG_CRIT, "Failed to tx on ISUP socket [%s]\n", strerror(errno));
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status = ZAP_FAIL;
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OUTBOUND_REQUESTS[r].status = ZAP_FAIL;
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*zchan = NULL;
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goto done;
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}
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while(zap_running() && OUTBOUND_REQUESTS[r].status == BST_WAITING) {
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zap_sleep(1);
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if (--sanity <= 0) {
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status = ZAP_FAIL;
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*zchan = NULL;
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goto done;
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}
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}
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if (OUTBOUND_REQUESTS[r].status == BST_READY && OUTBOUND_REQUESTS[r].zchan) {
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*zchan = OUTBOUND_REQUESTS[r].zchan;
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status = ZAP_SUCCESS;
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} else {
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status = ZAP_FAIL;
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*zchan = NULL;
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}
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done:
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st = OUTBOUND_REQUESTS[r].status;
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OUTBOUND_REQUESTS[r].status = BST_FREE;
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if (status == ZAP_FAIL) {
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if (st == BST_FAIL) {
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caller_data->hangup_cause = OUTBOUND_REQUESTS[r].hangup_cause;
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} else {
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caller_data->hangup_cause = ZAP_CAUSE_RECOVERY_ON_TIMER_EXPIRE;
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}
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}
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if (st == BST_FAIL) {
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release_request_id(r);
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} else if (st != BST_READY) {
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assert(r <= MAX_REQ_ID);
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nack_map[r] = 1;
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sangomabc_exec_command(&sangoma_boost_data->mcon,
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0,
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0,
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r,
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SIGBOOST_EVENT_CALL_START_NACK,
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0,
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0);
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}
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return status;
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}
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/**
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* \brief Starts an sangoma boost channel (outgoing call)
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* \param zchan Channel to initiate call on
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* \return Success
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*/
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static ZIO_CHANNEL_OUTGOING_CALL_FUNCTION(sangoma_boost_outgoing_call)
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{
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zap_status_t status = ZAP_SUCCESS;
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return status;
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}
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/**
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* \brief Handler for call start ack no media event
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* \param mcon sangoma boost connection
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* \param event Event to handle
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*/
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static void handle_call_progress(zap_span_t *span, sangomabc_connection_t *mcon, sangomabc_short_event_t *event)
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{
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zap_channel_t *zchan;
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if ((zchan = find_zchan(span, event, 1))) {
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zap_mutex_lock(zchan->mutex);
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if (zchan->state == ZAP_CHANNEL_STATE_HOLD) {
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if ((event->flags & SIGBOOST_PROGRESS_MEDIA)) {
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zchan->init_state = ZAP_CHANNEL_STATE_PROGRESS_MEDIA;
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zap_log(ZAP_LOG_DEBUG, "Channel init state updated to PROGRESS_MEDIA [Csid:%d]\n", event->call_setup_id);
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} else if ((event->flags & SIGBOOST_PROGRESS_RING)) {
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zchan->init_state = ZAP_CHANNEL_STATE_PROGRESS;
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zap_log(ZAP_LOG_DEBUG, "Channel init state updated to PROGRESS [Csid:%d]\n", event->call_setup_id);
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} else {
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zchan->init_state = ZAP_CHANNEL_STATE_IDLE;
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zap_log(ZAP_LOG_DEBUG, "Channel init state updated to IDLE [Csid:%d]\n", event->call_setup_id);
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}
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} else {
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if ((event->flags & SIGBOOST_PROGRESS_MEDIA)) {
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zap_set_state_locked(zchan, ZAP_CHANNEL_STATE_PROGRESS_MEDIA);
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} else if ((event->flags & SIGBOOST_PROGRESS_RING)) {
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zap_set_state_locked(zchan, ZAP_CHANNEL_STATE_PROGRESS);
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} else {
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zap_set_state_locked(zchan, ZAP_CHANNEL_STATE_IDLE);
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}
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}
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zap_mutex_unlock(zchan->mutex);
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}
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}
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/**
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* \brief Handler for call start ack event
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* \param mcon sangoma boost connection
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* \param event Event to handle
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*/
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static void handle_call_start_ack(sangomabc_connection_t *mcon, sangomabc_short_event_t *event)
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{
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zap_channel_t *zchan;
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if (nack_map[event->call_setup_id]) {
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return;
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}
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if ((zchan = find_zchan(OUTBOUND_REQUESTS[event->call_setup_id].span, event, 0))) {
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if (zap_channel_open_chan(zchan) != ZAP_SUCCESS) {
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zap_log(ZAP_LOG_ERROR, "OPEN ERROR [%s]\n", zchan->last_error);
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} else {
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/* Only bind the setup id to GRID when we are sure that channel is ready
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otherwise we could overwite the original call */
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OUTBOUND_REQUESTS[event->call_setup_id].event = *event;
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SETUP_GRID[event->span][event->chan] = event->call_setup_id;
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zap_set_flag(zchan, ZAP_CHANNEL_OUTBOUND);
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zap_set_flag_locked(zchan, ZAP_CHANNEL_INUSE);
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zchan->extra_id = event->call_setup_id;
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zap_log(ZAP_LOG_DEBUG, "Assign chan %d:%d (%d:%d) CSid=%d\n", zchan->span_id, zchan->chan_id, event->span+1,event->chan+1, event->call_setup_id);
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zchan->sflags = SFLAG_RECVD_ACK;
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if ((event->flags & SIGBOOST_PROGRESS_MEDIA)) {
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zchan->init_state = ZAP_CHANNEL_STATE_PROGRESS_MEDIA;
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zap_log(ZAP_LOG_DEBUG, "Channel init state changed to PROGRESS_MEDIA [Csid:%d]\n", event->call_setup_id);
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} else if ((event->flags & SIGBOOST_PROGRESS_RING)) {
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|
zchan->init_state = ZAP_CHANNEL_STATE_PROGRESS;
|
|
zap_log(ZAP_LOG_DEBUG, "Channel init state changed to PROGRESS [Csid:%d]\n", event->call_setup_id);
|
|
} else {
|
|
zchan->init_state = ZAP_CHANNEL_STATE_IDLE;
|
|
zap_log(ZAP_LOG_DEBUG, "Channel init state changed to IDLE [Csid:%d]\n", event->call_setup_id);
|
|
}
|
|
|
|
zap_set_state_locked(zchan, ZAP_CHANNEL_STATE_HOLD);
|
|
|
|
OUTBOUND_REQUESTS[event->call_setup_id].flags = event->flags;
|
|
OUTBOUND_REQUESTS[event->call_setup_id].zchan = zchan;
|
|
OUTBOUND_REQUESTS[event->call_setup_id].status = BST_READY;
|
|
return;
|
|
}
|
|
} else {
|
|
if ((zchan = find_zchan(OUTBOUND_REQUESTS[event->call_setup_id].span, (sangomabc_short_event_t*)event, 1))) {
|
|
int r;
|
|
|
|
/* NC: If we get CALL START ACK and channel is in active state
|
|
then we are completely out of sync with the other end.
|
|
Treat CALL START ACK as CALL STOP and hangup the current call.
|
|
*/
|
|
|
|
if (zchan->state == ZAP_CHANNEL_STATE_UP ||
|
|
zchan->state == ZAP_CHANNEL_STATE_PROGRESS_MEDIA ||
|
|
zchan->state == ZAP_CHANNEL_STATE_PROGRESS) {
|
|
zap_log(ZAP_LOG_CRIT, "ZCHAN CALL ACK STATE %s -> Changed to HANGUP %d:%d\n",
|
|
zap_channel_state2str(zchan->state),event->span+1,event->chan+1);
|
|
zap_set_state_r(zchan, ZAP_CHANNEL_STATE_TERMINATING, 0, r);
|
|
|
|
} else if (zchan->state == ZAP_CHANNEL_STATE_HANGUP || zap_test_sflag(zchan, SFLAG_HANGUP)) {
|
|
zap_log(ZAP_LOG_CRIT, "ZCHAN CALL ACK STATE HANGUP -> Changed to HANGUP %d:%d\n", event->span+1,event->chan+1);
|
|
zap_set_state_r(zchan, ZAP_CHANNEL_STATE_HANGUP_COMPLETE, 0, r);
|
|
/* Do nothing because outgoing STOP will generaate a stop ack */
|
|
|
|
} else {
|
|
zap_log(ZAP_LOG_CRIT, "ZCHAN CALL ACK STATE INVALID %s s%dc%d\n",
|
|
zap_channel_state2str(zchan->state),event->span+1,event->chan+1);
|
|
}
|
|
zap_set_sflag(zchan, SFLAG_SENT_FINAL_MSG);
|
|
zchan=NULL;
|
|
}
|
|
}
|
|
|
|
//printf("WTF BAD ACK CSid=%d span=%d chan=%d\n", event->call_setup_id, event->span+1,event->chan+1);
|
|
if ((zchan = find_zchan(OUTBOUND_REQUESTS[event->call_setup_id].span, event, 1))) {
|
|
//printf("WTF BAD ACK2 %d:%d (%d:%d) CSid=%d xtra_id=%d out=%d state=%s\n", zchan->span_id, zchan->chan_id, event->span+1,event->chan+1, event->call_setup_id, zchan->extra_id, zap_test_flag(zchan, ZAP_CHANNEL_OUTBOUND), zap_channel_state2str(zchan->state));
|
|
}
|
|
|
|
if (zchan) {
|
|
zap_set_sflag(zchan, SFLAG_SENT_FINAL_MSG);
|
|
}
|
|
|
|
zap_log(ZAP_LOG_CRIT, "START ACK CANT FIND A CHAN %d:%d\n", event->span+1,event->chan+1);
|
|
sangomabc_exec_command(mcon,
|
|
event->span,
|
|
event->chan,
|
|
event->call_setup_id,
|
|
SIGBOOST_EVENT_CALL_STOPPED,
|
|
ZAP_CAUSE_DESTINATION_OUT_OF_ORDER, 0);
|
|
OUTBOUND_REQUESTS[event->call_setup_id].status = BST_FAIL;
|
|
OUTBOUND_REQUESTS[event->call_setup_id].hangup_cause = ZAP_CAUSE_DESTINATION_OUT_OF_ORDER;
|
|
|
|
}
|
|
|
|
/**
|
|
* \brief Handler for call done event
|
|
* \param span Span where event was fired
|
|
* \param mcon sangoma boost connection
|
|
* \param event Event to handle
|
|
*/
|
|
static void handle_call_done(zap_span_t *span, sangomabc_connection_t *mcon, sangomabc_short_event_t *event)
|
|
{
|
|
zap_channel_t *zchan;
|
|
int r = 0;
|
|
|
|
if ((zchan = find_zchan(span, event, 1))) {
|
|
zap_mutex_lock(zchan->mutex);
|
|
|
|
if (zchan->state == ZAP_CHANNEL_STATE_DOWN || zchan->state == ZAP_CHANNEL_STATE_HANGUP_COMPLETE || zap_test_sflag(zchan, SFLAG_TERMINATING)) {
|
|
goto done;
|
|
}
|
|
|
|
zap_set_state_r(zchan, ZAP_CHANNEL_STATE_HANGUP_COMPLETE, 0, r);
|
|
if (r) {
|
|
zap_set_sflag(zchan, SFLAG_FREE_REQ_ID);
|
|
zap_mutex_unlock(zchan->mutex);
|
|
return;
|
|
}
|
|
}
|
|
|
|
done:
|
|
|
|
if (zchan) {
|
|
zap_mutex_unlock(zchan->mutex);
|
|
}
|
|
|
|
if (event->call_setup_id) {
|
|
release_request_id(event->call_setup_id);
|
|
} else {
|
|
release_request_id_span_chan(event->span, event->chan);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* \brief Handler for call start nack event
|
|
* \param span Span where event was fired
|
|
* \param mcon sangoma boost connection
|
|
* \param event Event to handle
|
|
*/
|
|
static void handle_call_start_nack(zap_span_t *span, sangomabc_connection_t *mcon, sangomabc_short_event_t *event)
|
|
{
|
|
zap_channel_t *zchan;
|
|
|
|
if (event->release_cause == SIGBOOST_CALL_SETUP_NACK_ALL_CKTS_BUSY) {
|
|
uint32_t count = 0;
|
|
int delay = 0;
|
|
int tg=event->trunk_group;
|
|
|
|
zap_span_channel_use_count(span, &count);
|
|
|
|
delay = (int) (count / 100) * 2;
|
|
|
|
if (delay > 10) {
|
|
delay = 10;
|
|
} else if (delay < 1) {
|
|
delay = 1;
|
|
}
|
|
|
|
if (tg < 0 || tg >= MAX_TRUNK_GROUPS) {
|
|
zap_log(ZAP_LOG_CRIT, "Invalid All Ckt Busy trunk group number %i\n", tg);
|
|
tg=0;
|
|
}
|
|
|
|
congestion_timeouts[tg] = time(NULL) + delay;
|
|
event->release_cause = 17;
|
|
|
|
} else if (event->release_cause == SIGBOOST_CALL_SETUP_CSUPID_DBL_USE) {
|
|
event->release_cause = 17;
|
|
}
|
|
|
|
if (event->call_setup_id) {
|
|
|
|
sangomabc_exec_command(mcon,
|
|
0,
|
|
0,
|
|
event->call_setup_id,
|
|
SIGBOOST_EVENT_CALL_START_NACK_ACK,
|
|
0, 0);
|
|
|
|
OUTBOUND_REQUESTS[event->call_setup_id].event = *event;
|
|
OUTBOUND_REQUESTS[event->call_setup_id].status = BST_FAIL;
|
|
OUTBOUND_REQUESTS[event->call_setup_id].hangup_cause = event->release_cause;
|
|
return;
|
|
} else {
|
|
if ((zchan = find_zchan(span, event, 1))) {
|
|
int r = 0;
|
|
assert(!zap_test_flag(zchan, ZAP_CHANNEL_OUTBOUND));
|
|
|
|
zchan->call_data = (void*)(intptr_t)event->event_id;
|
|
|
|
zap_mutex_lock(zchan->mutex);
|
|
zap_set_state_r(zchan, ZAP_CHANNEL_STATE_TERMINATING, 0, r);
|
|
if (r == ZAP_STATE_CHANGE_SUCCESS) {
|
|
zchan->caller_data.hangup_cause = event->release_cause;
|
|
}
|
|
zap_mutex_unlock(zchan->mutex);
|
|
if (r) {
|
|
return;
|
|
}
|
|
}
|
|
}
|
|
|
|
if (zchan) {
|
|
zap_set_sflag_locked(zchan, SFLAG_SENT_FINAL_MSG);
|
|
}
|
|
|
|
/* nobody else will do it so we have to do it ourselves */
|
|
sangomabc_exec_command(mcon,
|
|
event->span,
|
|
event->chan,
|
|
0,
|
|
SIGBOOST_EVENT_CALL_START_NACK_ACK,
|
|
0, 0);
|
|
}
|
|
|
|
/**
|
|
* \brief Handler for call stop event
|
|
* \param span Span where event was fired
|
|
* \param mcon sangoma boost connection
|
|
* \param event Event to handle
|
|
*/
|
|
static void handle_call_stop(zap_span_t *span, sangomabc_connection_t *mcon, sangomabc_short_event_t *event)
|
|
{
|
|
zap_channel_t *zchan;
|
|
|
|
if ((zchan = find_zchan(span, event, 1))) {
|
|
int r = 0;
|
|
|
|
zap_mutex_lock(zchan->mutex);
|
|
|
|
if (zap_test_sflag(zchan, SFLAG_HANGUP) || zchan->state == ZAP_CHANNEL_STATE_DOWN) {
|
|
|
|
/* NC: Checking for state DOWN because ss7box can
|
|
send CALL_STOP twice in a row. If we do not check for
|
|
STATE_DOWN we will set the state back to termnating
|
|
and block the channel forever
|
|
*/
|
|
|
|
/* racing condition where both sides initiated a hangup
|
|
* Do not change current state as channel is already clearing
|
|
* itself through local initiated hangup */
|
|
|
|
sangomabc_exec_command(mcon,
|
|
zchan->physical_span_id-1,
|
|
zchan->physical_chan_id-1,
|
|
0,
|
|
SIGBOOST_EVENT_CALL_STOPPED_ACK,
|
|
0, 0);
|
|
zap_mutex_unlock(zchan->mutex);
|
|
return;
|
|
} else {
|
|
if (zchan->state == ZAP_CHANNEL_STATE_HOLD) {
|
|
zchan->init_state = ZAP_CHANNEL_STATE_TERMINATING;
|
|
zap_log(ZAP_LOG_DEBUG, "Channel init state updated to TERMINATING [Csid:%d]\n", event->call_setup_id);
|
|
OUTBOUND_REQUESTS[event->call_setup_id].hangup_cause = event->release_cause;
|
|
zchan->caller_data.hangup_cause = event->release_cause;
|
|
zap_mutex_unlock(zchan->mutex);
|
|
return;
|
|
} else {
|
|
zap_set_state_r(zchan, ZAP_CHANNEL_STATE_TERMINATING, 0, r);
|
|
}
|
|
}
|
|
|
|
if (r == ZAP_STATE_CHANGE_SUCCESS) {
|
|
zchan->caller_data.hangup_cause = event->release_cause;
|
|
}
|
|
|
|
if (r) {
|
|
zap_set_sflag(zchan, SFLAG_FREE_REQ_ID);
|
|
}
|
|
|
|
zap_mutex_unlock(zchan->mutex);
|
|
|
|
if (r) {
|
|
return;
|
|
}
|
|
} /* else we have to do it ourselves.... */
|
|
|
|
zap_log(ZAP_LOG_WARNING, "We could not find chan: s%dc%d\n", event->span, event->chan);
|
|
release_request_id_span_chan(event->span, event->chan);
|
|
}
|
|
|
|
/**
|
|
* \brief Handler for call answer event
|
|
* \param span Span where event was fired
|
|
* \param mcon sangoma boost connection
|
|
* \param event Event to handle
|
|
*/
|
|
static void handle_call_answer(zap_span_t *span, sangomabc_connection_t *mcon, sangomabc_short_event_t *event)
|
|
{
|
|
zap_channel_t *zchan;
|
|
|
|
if ((zchan = find_zchan(span, event, 1))) {
|
|
zap_mutex_lock(zchan->mutex);
|
|
if (zap_test_sflag(zchan, SFLAG_HANGUP) ||
|
|
zchan->state == ZAP_CHANNEL_STATE_DOWN ||
|
|
zchan->state == ZAP_CHANNEL_STATE_TERMINATING) {
|
|
/* NC: Do nothing here because we are in process
|
|
of stopping the call. So ignore the ANSWER. */
|
|
zap_log(ZAP_LOG_CRIT, "ANSWER BUT CALL IS HANGUP %d:%d\n", event->span+1,event->chan+1);
|
|
|
|
} else if (zchan->state == ZAP_CHANNEL_STATE_HOLD) {
|
|
zchan->init_state = ZAP_CHANNEL_STATE_UP;
|
|
} else {
|
|
int r = 0;
|
|
zap_set_state_r(zchan, ZAP_CHANNEL_STATE_UP, 0, r);
|
|
}
|
|
zap_mutex_unlock(zchan->mutex);
|
|
} else {
|
|
zap_log(ZAP_LOG_CRIT, "ANSWER CANT FIND A CHAN %d:%d\n", event->span+1,event->chan+1);
|
|
sangomabc_exec_command(mcon,
|
|
event->span,
|
|
event->chan,
|
|
event->call_setup_id,
|
|
SIGBOOST_EVENT_CALL_STOPPED,
|
|
ZAP_CAUSE_DESTINATION_OUT_OF_ORDER, 0);
|
|
}
|
|
}
|
|
|
|
static __inline__ void advance_chan_states(zap_channel_t *zchan);
|
|
static __inline__ void stop_loop(zap_channel_t *zchan);
|
|
|
|
/**
|
|
* \brief Handler for call start event
|
|
* \param span Span where event was fired
|
|
* \param mcon sangoma boost connection
|
|
* \param event Event to handle
|
|
*/
|
|
static void handle_call_start(zap_span_t *span, sangomabc_connection_t *mcon, sangomabc_event_t *event)
|
|
{
|
|
zap_channel_t *zchan;
|
|
int hangup_cause = ZAP_CAUSE_CALL_REJECTED;
|
|
int retry = 1;
|
|
|
|
tryagain:
|
|
|
|
if (!(zchan = find_zchan(span, (sangomabc_short_event_t*)event, 0))) {
|
|
if ((zchan = find_zchan(span, (sangomabc_short_event_t*)event, 1))) {
|
|
int r;
|
|
|
|
/* NC: If we get CALL START and channel is in active state
|
|
then we are completely out of sync with the other end.
|
|
Treat CALL START as CALL STOP and hangup the current call.
|
|
*/
|
|
|
|
if (zchan->state == ZAP_CHANNEL_STATE_UP ||
|
|
zchan->state == ZAP_CHANNEL_STATE_PROGRESS_MEDIA ||
|
|
zchan->state == ZAP_CHANNEL_STATE_PROGRESS) {
|
|
zap_log(ZAP_LOG_CRIT, "ZCHAN CALL STATE %s -> Changed to TERMINATING %d:%d\n",
|
|
zap_channel_state2str(zchan->state),event->span+1,event->chan+1);
|
|
zap_set_state_r(zchan, ZAP_CHANNEL_STATE_TERMINATING, 0, r);
|
|
|
|
} else if (zchan->state == ZAP_CHANNEL_STATE_HANGUP || zap_test_sflag(zchan, SFLAG_HANGUP)) {
|
|
zap_log(ZAP_LOG_CRIT, "ZCHAN CALL STATE HANGUP -> Changed to HANGUP %d:%d\n", event->span+1,event->chan+1);
|
|
zap_set_state_r(zchan, ZAP_CHANNEL_STATE_HANGUP_COMPLETE, 0, r);
|
|
/* Do nothing because outgoing STOP will generaate a stop ack */
|
|
} else if (zchan->state == ZAP_CHANNEL_STATE_IN_LOOP && retry) {
|
|
/* workaround ss7box sending us call start without sending first a loop stop */
|
|
stop_loop(zchan);
|
|
advance_chan_states(zchan);
|
|
retry = 0;
|
|
goto tryagain;
|
|
} else {
|
|
zap_log(ZAP_LOG_CRIT, "ZCHAN CALL ACK STATE INVALID %s s%dc%d\n",
|
|
zap_channel_state2str(zchan->state),event->span+1,event->chan+1);
|
|
}
|
|
|
|
zap_set_sflag(zchan, SFLAG_SENT_FINAL_MSG);
|
|
zchan=NULL;
|
|
}
|
|
zap_log(ZAP_LOG_CRIT, "START CANT FIND CHAN %d:%d\n", event->span+1,event->chan+1);
|
|
goto error;
|
|
}
|
|
|
|
if (zap_channel_open_chan(zchan) != ZAP_SUCCESS) {
|
|
zap_log(ZAP_LOG_CRIT, "START CANT OPEN CHAN %d:%d\n", event->span+1,event->chan+1);
|
|
goto error;
|
|
}
|
|
|
|
zchan->sflags = 0;
|
|
zap_set_string(zchan->caller_data.cid_num.digits, (char *)event->calling.digits);
|
|
zap_set_string(zchan->caller_data.cid_name, (char *)event->calling.digits);
|
|
zap_set_string(zchan->caller_data.ani.digits, (char *)event->calling.digits);
|
|
zap_set_string(zchan->caller_data.dnis.digits, (char *)event->called.digits);
|
|
zap_set_string(zchan->caller_data.rdnis.digits, (char *)event->rdnis.digits);
|
|
if (event->custom_data_size) {
|
|
zap_set_string(zchan->caller_data.raw_data, event->custom_data);
|
|
zchan->caller_data.raw_data_len = event->custom_data_size;
|
|
}
|
|
|
|
if (strlen(event->calling_name)) {
|
|
zap_set_string(zchan->caller_data.cid_name, (char *)event->calling_name);
|
|
}
|
|
|
|
zchan->caller_data.cid_num.plan = event->calling.npi;
|
|
zchan->caller_data.cid_num.type = event->calling.ton;
|
|
|
|
zchan->caller_data.ani.plan = event->calling.npi;
|
|
zchan->caller_data.ani.type = event->calling.ton;
|
|
|
|
zchan->caller_data.dnis.plan = event->called.npi;
|
|
zchan->caller_data.dnis.type = event->called.ton;
|
|
|
|
zchan->caller_data.rdnis.plan = event->rdnis.npi;
|
|
zchan->caller_data.rdnis.type = event->rdnis.ton;
|
|
|
|
zchan->caller_data.screen = event->calling.screening_ind;
|
|
zchan->caller_data.pres = event->calling.presentation_ind;
|
|
|
|
/* more info about custom data: http://www.ss7box.com/smg_manual.html#ISUP-IN-RDNIS-NEW */
|
|
if (event->custom_data_size) {
|
|
char* p = NULL;
|
|
|
|
p = strstr(event->custom_data,"PRI001-ANI2-");
|
|
if ( p != NULL) {
|
|
int ani2 = 0;
|
|
sscanf(p, "PRI001-ANI2-%d", &ani2);
|
|
snprintf(zchan->caller_data.aniII, 5, "%.2d", ani2);
|
|
}
|
|
|
|
}
|
|
|
|
zap_set_state_locked(zchan, ZAP_CHANNEL_STATE_RING);
|
|
return;
|
|
|
|
error:
|
|
if (zchan) {
|
|
hangup_cause = zchan->caller_data.hangup_cause;
|
|
} else {
|
|
zap_log(ZAP_LOG_CRIT, "START CANT FIND A CHAN %d:%d\n", event->span+1,event->chan+1);
|
|
hangup_cause = ZAP_CAUSE_REQUESTED_CHAN_UNAVAIL;
|
|
}
|
|
sangomabc_exec_command(mcon,
|
|
event->span,
|
|
event->chan,
|
|
0,
|
|
SIGBOOST_EVENT_CALL_START_NACK,
|
|
hangup_cause, 0);
|
|
|
|
}
|
|
|
|
static void handle_call_loop_start(zap_span_t *span, sangomabc_connection_t *mcon, sangomabc_short_event_t *event)
|
|
{
|
|
zap_state_change_result_t res = ZAP_FAIL;
|
|
zap_channel_t *zchan;
|
|
|
|
if (!(zchan = find_zchan(span, (sangomabc_short_event_t*)event, 0))) {
|
|
zap_log(ZAP_LOG_CRIT, "CANNOT START LOOP, CHAN NOT AVAILABLE %d:%d\n", event->span+1,event->chan+1);
|
|
return;
|
|
}
|
|
|
|
if (zap_channel_open_chan(zchan) != ZAP_SUCCESS) {
|
|
zap_log(ZAP_LOG_CRIT, "CANNOT START LOOP, CANT OPEN CHAN %d:%d\n", event->span+1,event->chan+1);
|
|
return;
|
|
}
|
|
|
|
zap_set_state_r(zchan, ZAP_CHANNEL_STATE_IN_LOOP, 0, res);
|
|
if (res != ZAP_STATE_CHANGE_SUCCESS) {
|
|
zap_log(ZAP_LOG_CRIT, "yay, could not set the state of the channel to IN_LOOP, loop will fail\n");
|
|
zap_channel_done(zchan);
|
|
return;
|
|
}
|
|
zap_log(ZAP_LOG_DEBUG, "%d:%d starting loop\n", zchan->span_id, zchan->chan_id);
|
|
zap_channel_command(zchan, ZAP_COMMAND_ENABLE_LOOP, NULL);
|
|
}
|
|
|
|
static __inline__ void stop_loop(zap_channel_t *zchan)
|
|
{
|
|
zap_state_change_result_t res = ZAP_STATE_CHANGE_FAIL;
|
|
zap_channel_command(zchan, ZAP_COMMAND_DISABLE_LOOP, NULL);
|
|
/* even when we did not sent a msg we set this flag to avoid sending call stop in the DOWN state handler */
|
|
zap_set_flag(zchan, SFLAG_SENT_FINAL_MSG);
|
|
zap_set_state_r(zchan, ZAP_CHANNEL_STATE_DOWN, 0, res);
|
|
if (res != ZAP_STATE_CHANGE_SUCCESS) {
|
|
zap_log(ZAP_LOG_CRIT, "yay, could not set the state of the channel from IN_LOOP to DOWN\n");
|
|
}
|
|
}
|
|
|
|
static void handle_call_loop_stop(zap_span_t *span, sangomabc_connection_t *mcon, sangomabc_short_event_t *event)
|
|
{
|
|
zap_channel_t *zchan;
|
|
if (!(zchan = find_zchan(span, (sangomabc_short_event_t*)event, 1))) {
|
|
zap_log(ZAP_LOG_CRIT, "CANNOT STOP LOOP, INVALID CHAN REQUESTED %d:%d\n", event->span+1,event->chan+1);
|
|
return;
|
|
}
|
|
if (zchan->state != ZAP_CHANNEL_STATE_IN_LOOP) {
|
|
zap_log(ZAP_LOG_ERROR, "Got stop loop request in a channel that is not in loop, ignoring ...\n");
|
|
return;
|
|
}
|
|
stop_loop(zchan);
|
|
}
|
|
|
|
/**
|
|
* \brief Handler for heartbeat event
|
|
* \param mcon sangoma boost connection
|
|
* \param event Event to handle
|
|
*/
|
|
static void handle_heartbeat(sangomabc_connection_t *mcon, sangomabc_short_event_t *event)
|
|
{
|
|
int err;
|
|
|
|
err = sangomabc_connection_writep(mcon, (sangomabc_event_t*)event);
|
|
|
|
if (err <= 0) {
|
|
zap_log(ZAP_LOG_CRIT, "Failed to tx on ISUP socket [%s]: %s\n", strerror(errno));
|
|
}
|
|
|
|
mcon->hb_elapsed = 0;
|
|
|
|
return;
|
|
}
|
|
|
|
/**
|
|
* \brief Handler for restart ack event
|
|
* \param mcon sangoma boost connection
|
|
* \param span Span where event was fired
|
|
* \param event Event to handle
|
|
*/
|
|
static void handle_restart_ack(sangomabc_connection_t *mcon, zap_span_t *span, sangomabc_short_event_t *event)
|
|
{
|
|
zap_log(ZAP_LOG_DEBUG, "RECV RESTART ACK\n");
|
|
}
|
|
|
|
/**
|
|
* \brief Handler for restart event
|
|
* \param mcon sangoma boost connection
|
|
* \param span Span where event was fired
|
|
* \param event Event to handle
|
|
*/
|
|
static void handle_restart(sangomabc_connection_t *mcon, zap_span_t *span, sangomabc_short_event_t *event)
|
|
{
|
|
zap_sangoma_boost_data_t *sangoma_boost_data = span->signal_data;
|
|
|
|
mcon->rxseq_reset = 0;
|
|
zap_set_flag((&sangoma_boost_data->mcon), MSU_FLAG_DOWN);
|
|
zap_set_flag_locked(span, ZAP_SPAN_SUSPENDED);
|
|
zap_set_flag(sangoma_boost_data, ZAP_SANGOMA_BOOST_RESTARTING);
|
|
|
|
mcon->hb_elapsed = 0;
|
|
}
|
|
|
|
/**
|
|
* \brief Handler for incoming digit event
|
|
* \param mcon sangoma boost connection
|
|
* \param span Span where event was fired
|
|
* \param event Event to handle
|
|
*/
|
|
static void handle_incoming_digit(sangomabc_connection_t *mcon, zap_span_t *span, sangomabc_event_t *event)
|
|
{
|
|
zap_channel_t *zchan = NULL;
|
|
char digits[MAX_DIALED_DIGITS + 2] = "";
|
|
|
|
if (!(zchan = find_zchan(span, (sangomabc_short_event_t *)event, 1))) {
|
|
zap_log(ZAP_LOG_ERROR, "Invalid channel\n");
|
|
return;
|
|
}
|
|
|
|
if (event->called_number_digits_count == 0) {
|
|
zap_log(ZAP_LOG_WARNING, "Error Incoming digit with len %s %d [w%dg%d]\n",
|
|
event->called_number_digits,
|
|
event->called_number_digits_count,
|
|
event->span+1, event->chan+1);
|
|
return;
|
|
}
|
|
|
|
zap_log(ZAP_LOG_WARNING, "Incoming digit with len %s %d [w%dg%d]\n",
|
|
event->called_number_digits,
|
|
event->called_number_digits_count,
|
|
event->span+1, event->chan+1);
|
|
|
|
memcpy(digits, event->called_number_digits, event->called_number_digits_count);
|
|
zap_channel_queue_dtmf(zchan, digits);
|
|
|
|
return;
|
|
}
|
|
|
|
|
|
/**
|
|
* \brief Checks if span has state changes pending and processes
|
|
* \param span Span where event was fired
|
|
* \param event Event to handle
|
|
*/
|
|
static zap_channel_t* event_process_states(zap_span_t *span, sangomabc_short_event_t *event)
|
|
{
|
|
zap_channel_t *zchan = NULL;
|
|
|
|
switch (event->event_id) {
|
|
case SIGBOOST_EVENT_CALL_START_NACK:
|
|
case SIGBOOST_EVENT_CALL_START_NACK_ACK:
|
|
if (event->call_setup_id) {
|
|
return NULL;
|
|
}
|
|
//if event->span and event->chan is valid, fall-through
|
|
case SIGBOOST_EVENT_CALL_START:
|
|
case SIGBOOST_EVENT_CALL_START_ACK:
|
|
case SIGBOOST_EVENT_CALL_STOPPED:
|
|
case SIGBOOST_EVENT_CALL_PROGRESS:
|
|
case SIGBOOST_EVENT_CALL_ANSWERED:
|
|
case SIGBOOST_EVENT_CALL_STOPPED_ACK:
|
|
case SIGBOOST_EVENT_DIGIT_IN:
|
|
case SIGBOOST_EVENT_INSERT_CHECK_LOOP:
|
|
case SIGBOOST_EVENT_REMOVE_CHECK_LOOP:
|
|
if (!(zchan = find_zchan(span, (sangomabc_short_event_t*)event, 1))) {
|
|
zap_log(ZAP_LOG_DEBUG, "PROCESS STATES CANT FIND CHAN %d:%d\n", event->span+1,event->chan+1);
|
|
return NULL;
|
|
}
|
|
break;
|
|
case SIGBOOST_EVENT_HEARTBEAT:
|
|
case SIGBOOST_EVENT_SYSTEM_RESTART_ACK:
|
|
case SIGBOOST_EVENT_SYSTEM_RESTART:
|
|
case SIGBOOST_EVENT_AUTO_CALL_GAP_ABATE:
|
|
return NULL;
|
|
default:
|
|
zap_log(ZAP_LOG_CRIT, "Unhandled event id:%d\n", event->event_id);
|
|
return NULL;
|
|
}
|
|
|
|
zap_mutex_lock(zchan->mutex);
|
|
advance_chan_states(zchan);
|
|
return zchan;
|
|
}
|
|
|
|
/**
|
|
* \brief Handler for sangoma boost event
|
|
* \param span Span where event was fired
|
|
* \param mcon sangoma boost connection
|
|
* \param event Event to handle
|
|
*/
|
|
static int parse_sangoma_event(zap_span_t *span, sangomabc_connection_t *mcon, sangomabc_short_event_t *event)
|
|
{
|
|
zap_channel_t* zchan = NULL;
|
|
|
|
if (!zap_running()) {
|
|
zap_log(ZAP_LOG_WARNING, "System is shutting down.\n");
|
|
goto end;
|
|
}
|
|
|
|
assert(event->call_setup_id <= MAX_REQ_ID);
|
|
|
|
/* process all pending state changes for that channel before
|
|
processing the new boost event */
|
|
zchan = event_process_states(span, event);
|
|
|
|
switch(event->event_id) {
|
|
case SIGBOOST_EVENT_CALL_START:
|
|
handle_call_start(span, mcon, (sangomabc_event_t*)event);
|
|
break;
|
|
case SIGBOOST_EVENT_CALL_STOPPED:
|
|
handle_call_stop(span, mcon, event);
|
|
break;
|
|
case SIGBOOST_EVENT_CALL_START_ACK:
|
|
handle_call_start_ack(mcon, event);
|
|
break;
|
|
case SIGBOOST_EVENT_CALL_PROGRESS:
|
|
handle_call_progress(span, mcon, event);
|
|
break;
|
|
case SIGBOOST_EVENT_CALL_START_NACK:
|
|
handle_call_start_nack(span, mcon, event);
|
|
break;
|
|
case SIGBOOST_EVENT_CALL_ANSWERED:
|
|
handle_call_answer(span, mcon, event);
|
|
break;
|
|
case SIGBOOST_EVENT_HEARTBEAT:
|
|
handle_heartbeat(mcon, event);
|
|
break;
|
|
case SIGBOOST_EVENT_CALL_STOPPED_ACK:
|
|
handle_call_done(span, mcon, event);
|
|
break;
|
|
case SIGBOOST_EVENT_CALL_START_NACK_ACK:
|
|
handle_call_done(span, mcon, event);
|
|
nack_map[event->call_setup_id] = 0;
|
|
break;
|
|
case SIGBOOST_EVENT_INSERT_CHECK_LOOP:
|
|
handle_call_loop_start(span, mcon, event);
|
|
break;
|
|
case SIGBOOST_EVENT_REMOVE_CHECK_LOOP:
|
|
handle_call_loop_stop(span, mcon, event);
|
|
break;
|
|
case SIGBOOST_EVENT_SYSTEM_RESTART_ACK:
|
|
handle_restart_ack(mcon, span, event);
|
|
break;
|
|
case SIGBOOST_EVENT_SYSTEM_RESTART:
|
|
handle_restart(mcon, span, event);
|
|
break;
|
|
case SIGBOOST_EVENT_AUTO_CALL_GAP_ABATE:
|
|
//handle_gap_abate(event);
|
|
break;
|
|
case SIGBOOST_EVENT_DIGIT_IN:
|
|
handle_incoming_digit(mcon, span, (sangomabc_event_t*)event);
|
|
break;
|
|
default:
|
|
zap_log(ZAP_LOG_WARNING, "No handler implemented for [%s]\n", sangomabc_event_id_name(event->event_id));
|
|
break;
|
|
}
|
|
|
|
end:
|
|
if(zchan != NULL) {
|
|
advance_chan_states(zchan);
|
|
zap_mutex_unlock(zchan->mutex);
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
/**
|
|
* \brief Handler for channel state change
|
|
* \param zchan Channel to handle
|
|
*/
|
|
static __inline__ void state_advance(zap_channel_t *zchan)
|
|
{
|
|
|
|
zap_sangoma_boost_data_t *sangoma_boost_data = zchan->span->signal_data;
|
|
sangomabc_connection_t *mcon = &sangoma_boost_data->mcon;
|
|
zap_sigmsg_t sig;
|
|
zap_status_t status;
|
|
|
|
zap_log(ZAP_LOG_DEBUG, "%d:%d STATE [%s]\n", zchan->span_id, zchan->chan_id, zap_channel_state2str(zchan->state));
|
|
|
|
memset(&sig, 0, sizeof(sig));
|
|
sig.chan_id = zchan->chan_id;
|
|
sig.span_id = zchan->span_id;
|
|
sig.channel = zchan;
|
|
|
|
switch (zchan->state) {
|
|
case ZAP_CHANNEL_STATE_DOWN:
|
|
{
|
|
if (zchan->last_state == ZAP_CHANNEL_STATE_IN_LOOP) {
|
|
/* nothing to do after a loop */
|
|
zap_log(ZAP_LOG_DEBUG, "%d:%d terminating loop\n", zchan->span_id, zchan->chan_id);
|
|
} else {
|
|
/* Always try to clear the GRID */
|
|
release_request_id_span_chan(zchan->physical_span_id-1, zchan->physical_chan_id-1);
|
|
|
|
if (!zap_test_sflag(zchan, SFLAG_SENT_FINAL_MSG)) {
|
|
zap_set_sflag_locked(zchan, SFLAG_SENT_FINAL_MSG);
|
|
|
|
if (zchan->call_data && ((uint32_t)(intptr_t)zchan->call_data == SIGBOOST_EVENT_CALL_START_NACK)) {
|
|
sangomabc_exec_command(mcon,
|
|
zchan->physical_span_id-1,
|
|
zchan->physical_chan_id-1,
|
|
0,
|
|
SIGBOOST_EVENT_CALL_START_NACK_ACK,
|
|
0, 0);
|
|
|
|
} else {
|
|
sangomabc_exec_command(mcon,
|
|
zchan->physical_span_id-1,
|
|
zchan->physical_chan_id-1,
|
|
0,
|
|
SIGBOOST_EVENT_CALL_STOPPED_ACK,
|
|
0, 0);
|
|
}
|
|
}
|
|
}
|
|
zchan->extra_id = 0;
|
|
zchan->sflags = 0;
|
|
zchan->call_data = NULL;
|
|
zap_channel_done(zchan);
|
|
}
|
|
break;
|
|
case ZAP_CHANNEL_STATE_PROGRESS_MEDIA:
|
|
{
|
|
if (zap_test_flag(zchan, ZAP_CHANNEL_OUTBOUND)) {
|
|
sig.event_id = ZAP_SIGEVENT_PROGRESS_MEDIA;
|
|
if ((status = zap_span_send_signal(zchan->span, &sig) != ZAP_SUCCESS)) {
|
|
zap_set_state_locked(zchan, ZAP_CHANNEL_STATE_HANGUP);
|
|
}
|
|
} else {
|
|
if (!zap_test_sflag(zchan, SFLAG_SENT_ACK)) {
|
|
zap_set_sflag(zchan, SFLAG_SENT_ACK);
|
|
sangomabc_exec_command(mcon,
|
|
zchan->physical_span_id-1,
|
|
zchan->physical_chan_id-1,
|
|
0,
|
|
SIGBOOST_EVENT_CALL_START_ACK,
|
|
0,
|
|
SIGBOOST_PROGRESS_MEDIA);
|
|
}
|
|
}
|
|
}
|
|
break;
|
|
case ZAP_CHANNEL_STATE_PROGRESS:
|
|
{
|
|
if (zap_test_flag(zchan, ZAP_CHANNEL_OUTBOUND)) {
|
|
sig.event_id = ZAP_SIGEVENT_PROGRESS;
|
|
if ((status = zap_span_send_signal(zchan->span, &sig) != ZAP_SUCCESS)) {
|
|
zap_set_state_locked(zchan, ZAP_CHANNEL_STATE_HANGUP);
|
|
}
|
|
} else {
|
|
if (!zap_test_sflag(zchan, SFLAG_SENT_ACK)) {
|
|
zap_set_sflag(zchan, SFLAG_SENT_ACK);
|
|
sangomabc_exec_command(mcon,
|
|
zchan->physical_span_id-1,
|
|
zchan->physical_chan_id-1,
|
|
0,
|
|
SIGBOOST_EVENT_CALL_START_ACK,
|
|
0,
|
|
SIGBOOST_PROGRESS_RING);
|
|
}
|
|
}
|
|
}
|
|
break;
|
|
case ZAP_CHANNEL_STATE_IDLE:
|
|
case ZAP_CHANNEL_STATE_HOLD:
|
|
/* twiddle */
|
|
break;
|
|
case ZAP_CHANNEL_STATE_RING:
|
|
{
|
|
if (!zap_test_flag(zchan, ZAP_CHANNEL_OUTBOUND)) {
|
|
sig.event_id = ZAP_SIGEVENT_START;
|
|
if ((status = zap_span_send_signal(zchan->span, &sig) != ZAP_SUCCESS)) {
|
|
zap_set_state_locked(zchan, ZAP_CHANNEL_STATE_HANGUP);
|
|
}
|
|
}
|
|
}
|
|
break;
|
|
case ZAP_CHANNEL_STATE_RESTART:
|
|
{
|
|
sig.event_id = ZAP_SIGEVENT_RESTART;
|
|
status = zap_span_send_signal(zchan->span, &sig);
|
|
zap_set_sflag_locked(zchan, SFLAG_SENT_FINAL_MSG);
|
|
zap_set_state_locked(zchan, ZAP_CHANNEL_STATE_DOWN);
|
|
}
|
|
break;
|
|
case ZAP_CHANNEL_STATE_UP:
|
|
{
|
|
if (zap_test_flag(zchan, ZAP_CHANNEL_OUTBOUND)) {
|
|
sig.event_id = ZAP_SIGEVENT_UP;
|
|
if ((status = zap_span_send_signal(zchan->span, &sig) != ZAP_SUCCESS)) {
|
|
zap_set_state_locked(zchan, ZAP_CHANNEL_STATE_HANGUP);
|
|
}
|
|
} else {
|
|
if (!(zap_test_flag(zchan, ZAP_CHANNEL_PROGRESS) || zap_test_flag(zchan, ZAP_CHANNEL_MEDIA))) {
|
|
sangomabc_exec_command(mcon,
|
|
zchan->physical_span_id-1,
|
|
zchan->physical_chan_id-1,
|
|
0,
|
|
SIGBOOST_EVENT_CALL_START_ACK,
|
|
0, 0);
|
|
}
|
|
|
|
sangomabc_exec_command(mcon,
|
|
zchan->physical_span_id-1,
|
|
zchan->physical_chan_id-1,
|
|
0,
|
|
SIGBOOST_EVENT_CALL_ANSWERED,
|
|
0, 0);
|
|
}
|
|
}
|
|
break;
|
|
case ZAP_CHANNEL_STATE_DIALING:
|
|
{
|
|
}
|
|
break;
|
|
case ZAP_CHANNEL_STATE_HANGUP_COMPLETE:
|
|
{
|
|
zap_set_state_locked(zchan, ZAP_CHANNEL_STATE_DOWN);
|
|
}
|
|
break;
|
|
case ZAP_CHANNEL_STATE_HANGUP:
|
|
{
|
|
zap_set_sflag_locked(zchan, SFLAG_HANGUP);
|
|
|
|
if (zap_test_sflag(zchan, SFLAG_SENT_FINAL_MSG) || zap_test_sflag(zchan, SFLAG_TERMINATING)) {
|
|
zap_set_state_locked(zchan, ZAP_CHANNEL_STATE_HANGUP_COMPLETE);
|
|
} else {
|
|
zap_set_sflag_locked(zchan, SFLAG_SENT_FINAL_MSG);
|
|
|
|
if (zap_test_flag(zchan, ZAP_CHANNEL_ANSWERED) ||
|
|
zap_test_flag(zchan, ZAP_CHANNEL_PROGRESS) ||
|
|
zap_test_flag(zchan, ZAP_CHANNEL_MEDIA) || zap_test_sflag(zchan, SFLAG_RECVD_ACK)) {
|
|
|
|
sangomabc_exec_command(mcon,
|
|
zchan->physical_span_id-1,
|
|
zchan->physical_chan_id-1,
|
|
0,
|
|
SIGBOOST_EVENT_CALL_STOPPED,
|
|
zchan->caller_data.hangup_cause, 0);
|
|
} else {
|
|
sangomabc_exec_command(mcon,
|
|
zchan->physical_span_id-1,
|
|
zchan->physical_chan_id-1,
|
|
0,
|
|
SIGBOOST_EVENT_CALL_START_NACK,
|
|
zchan->caller_data.hangup_cause, 0);
|
|
}
|
|
}
|
|
}
|
|
break;
|
|
case ZAP_CHANNEL_STATE_TERMINATING:
|
|
{
|
|
zap_set_sflag_locked(zchan, SFLAG_TERMINATING);
|
|
sig.event_id = ZAP_SIGEVENT_STOP;
|
|
status = zap_span_send_signal(zchan->span, &sig);
|
|
}
|
|
break;
|
|
case ZAP_CHANNEL_STATE_IN_LOOP:
|
|
{
|
|
/* nothing to do, we sent the ZAP_COMMAND_ENABLE_LOOP command in handle_call_loop_start() right away */
|
|
}
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
|
|
static __inline__ void advance_chan_states(zap_channel_t *zchan)
|
|
{
|
|
while (zap_test_flag(zchan, ZAP_CHANNEL_STATE_CHANGE)) {
|
|
zap_clear_flag(zchan, ZAP_CHANNEL_STATE_CHANGE);
|
|
state_advance(zchan);
|
|
zap_channel_complete_state(zchan);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* \brief Initialises outgoing requests array
|
|
*/
|
|
static __inline__ void init_outgoing_array(void)
|
|
{
|
|
memset(&OUTBOUND_REQUESTS, 0, sizeof(OUTBOUND_REQUESTS));
|
|
|
|
}
|
|
|
|
/**
|
|
* \brief Checks current state on a span
|
|
* \param span Span to check status on
|
|
*/
|
|
static __inline__ void check_state(zap_span_t *span)
|
|
{
|
|
zap_sangoma_boost_data_t *sangoma_boost_data = span->signal_data;
|
|
int susp = zap_test_flag(span, ZAP_SPAN_SUSPENDED);
|
|
|
|
if (susp && zap_check_state_all(span, ZAP_CHANNEL_STATE_DOWN)) {
|
|
susp = 0;
|
|
}
|
|
|
|
if (zap_test_flag(span, ZAP_SPAN_STATE_CHANGE) || susp) {
|
|
uint32_t j;
|
|
zap_clear_flag_locked(span, ZAP_SPAN_STATE_CHANGE);
|
|
for(j = 1; j <= span->chan_count; j++) {
|
|
if (zap_test_flag((span->channels[j]), ZAP_CHANNEL_STATE_CHANGE) || susp) {
|
|
zap_mutex_lock(span->channels[j]->mutex);
|
|
zap_clear_flag((span->channels[j]), ZAP_CHANNEL_STATE_CHANGE);
|
|
if (susp && span->channels[j]->state != ZAP_CHANNEL_STATE_DOWN) {
|
|
zap_channel_set_state(span->channels[j], ZAP_CHANNEL_STATE_RESTART, 0);
|
|
}
|
|
state_advance(span->channels[j]);
|
|
zap_channel_complete_state(span->channels[j]);
|
|
zap_mutex_unlock(span->channels[j]->mutex);
|
|
}
|
|
}
|
|
}
|
|
|
|
if (zap_test_flag(sangoma_boost_data, ZAP_SANGOMA_BOOST_RESTARTING)) {
|
|
if (zap_check_state_all(span, ZAP_CHANNEL_STATE_DOWN)) {
|
|
sangomabc_exec_command(&sangoma_boost_data->mcon,
|
|
0,
|
|
0,
|
|
-1,
|
|
SIGBOOST_EVENT_SYSTEM_RESTART_ACK,
|
|
0, 0);
|
|
zap_clear_flag(sangoma_boost_data, ZAP_SANGOMA_BOOST_RESTARTING);
|
|
zap_clear_flag_locked(span, ZAP_SPAN_SUSPENDED);
|
|
zap_clear_flag((&sangoma_boost_data->mcon), MSU_FLAG_DOWN);
|
|
sangoma_boost_data->mcon.hb_elapsed = 0;
|
|
init_outgoing_array();
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
/**
|
|
* \brief Checks for events on a span
|
|
* \param span Span to check for events
|
|
*/
|
|
static __inline__ void check_events(zap_span_t *span, int ms_timeout)
|
|
{
|
|
zap_status_t status;
|
|
|
|
status = zap_span_poll_event(span, ms_timeout);
|
|
|
|
switch(status) {
|
|
case ZAP_SUCCESS:
|
|
{
|
|
zap_event_t *event;
|
|
while (zap_span_next_event(span, &event) == ZAP_SUCCESS) {
|
|
// for now we do nothing with events, this is here
|
|
// just to have the hardware layer to get any HW DTMF
|
|
// events and enqueue the DTMF on the channel (done during zap_span_next_event())
|
|
}
|
|
}
|
|
break;
|
|
case ZAP_FAIL:
|
|
{
|
|
zap_log(ZAP_LOG_DEBUG, "Boost Check Event Failure Failure! %d\n", zap_running());
|
|
}
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
|
|
return;
|
|
}
|
|
|
|
/**
|
|
* \brief Main thread function for sangoma boost span (monitor)
|
|
* \param me Current thread
|
|
* \param obj Span to run in this thread
|
|
*/
|
|
static void *zap_sangoma_events_run(zap_thread_t *me, void *obj)
|
|
{
|
|
zap_span_t *span = (zap_span_t *) obj;
|
|
zap_sangoma_boost_data_t *sangoma_boost_data = span->signal_data;
|
|
|
|
while (zap_test_flag(sangoma_boost_data, ZAP_SANGOMA_BOOST_RUNNING) && zap_running()) {
|
|
check_events(span,100);
|
|
}
|
|
|
|
return NULL;
|
|
}
|
|
|
|
|
|
#ifndef __WINDOWS__
|
|
static int waitfor_2sockets(int fda, int fdb, char *a, char *b, int timeout)
|
|
{
|
|
struct pollfd pfds[2];
|
|
int res = 0;
|
|
int errflags = (POLLERR | POLLHUP | POLLNVAL);
|
|
|
|
if (fda < 0 || fdb < 0) {
|
|
return -1;
|
|
}
|
|
|
|
|
|
waitfor_2sockets_tryagain:
|
|
|
|
*a=0;
|
|
*b=0;
|
|
|
|
|
|
memset(pfds, 0, sizeof(pfds));
|
|
|
|
pfds[0].fd = fda;
|
|
pfds[1].fd = fdb;
|
|
pfds[0].events = POLLIN | errflags;
|
|
pfds[1].events = POLLIN | errflags;
|
|
|
|
res = poll(pfds, 2, timeout);
|
|
|
|
if (res > 0) {
|
|
res = 1;
|
|
if ((pfds[0].revents & errflags) || (pfds[1].revents & errflags)) {
|
|
res = -1;
|
|
} else {
|
|
if ((pfds[0].revents & POLLIN)) {
|
|
*a=1;
|
|
res++;
|
|
}
|
|
if ((pfds[1].revents & POLLIN)) {
|
|
*b=1;
|
|
res++;
|
|
}
|
|
}
|
|
|
|
if (res == 1) {
|
|
/* No event found what to do */
|
|
res=-1;
|
|
}
|
|
} else if (res < 0) {
|
|
|
|
if (errno == EINTR || errno == EAGAIN) {
|
|
goto waitfor_2sockets_tryagain;
|
|
}
|
|
|
|
}
|
|
|
|
return res;
|
|
}
|
|
#endif
|
|
|
|
/**
|
|
* \brief Main thread function for sangoma boost span (monitor)
|
|
* \param me Current thread
|
|
* \param obj Span to run in this thread
|
|
*/
|
|
static void *zap_sangoma_boost_run(zap_thread_t *me, void *obj)
|
|
{
|
|
zap_span_t *span = (zap_span_t *) obj;
|
|
zap_sangoma_boost_data_t *sangoma_boost_data = span->signal_data;
|
|
sangomabc_connection_t *mcon, *pcon;
|
|
uint32_t ms = 10; //, too_long = 20000;
|
|
int max, activity, i;
|
|
sangomabc_event_t *event;
|
|
struct timeval tv;
|
|
fd_set rfds, efds;
|
|
#ifndef __WINDOWS__
|
|
char a=0,b=0;
|
|
#endif
|
|
|
|
sangoma_boost_data->pcon = sangoma_boost_data->mcon;
|
|
|
|
if (sangomabc_connection_open(&sangoma_boost_data->mcon,
|
|
sangoma_boost_data->mcon.cfg.local_ip,
|
|
sangoma_boost_data->mcon.cfg.local_port,
|
|
sangoma_boost_data->mcon.cfg.remote_ip,
|
|
sangoma_boost_data->mcon.cfg.remote_port) < 0) {
|
|
zap_log(ZAP_LOG_ERROR, "Error: Opening MCON Socket [%d] %s\n", sangoma_boost_data->mcon.socket, strerror(errno));
|
|
goto end;
|
|
}
|
|
|
|
if (sangomabc_connection_open(&sangoma_boost_data->pcon,
|
|
sangoma_boost_data->pcon.cfg.local_ip,
|
|
++sangoma_boost_data->pcon.cfg.local_port,
|
|
sangoma_boost_data->pcon.cfg.remote_ip,
|
|
++sangoma_boost_data->pcon.cfg.remote_port) < 0) {
|
|
zap_log(ZAP_LOG_ERROR, "Error: Opening PCON Socket [%d] %s\n", sangoma_boost_data->pcon.socket, strerror(errno));
|
|
goto end;
|
|
}
|
|
|
|
mcon = &sangoma_boost_data->mcon;
|
|
pcon = &sangoma_boost_data->pcon;
|
|
|
|
init_outgoing_array();
|
|
|
|
sangomabc_exec_commandp(pcon,
|
|
0,
|
|
0,
|
|
-1,
|
|
SIGBOOST_EVENT_SYSTEM_RESTART,
|
|
0);
|
|
zap_set_flag(mcon, MSU_FLAG_DOWN);
|
|
|
|
while (zap_test_flag(sangoma_boost_data, ZAP_SANGOMA_BOOST_RUNNING)) {
|
|
|
|
tv.tv_sec = 0;
|
|
tv.tv_usec = ms* 1000;
|
|
max=0;
|
|
activity=0;
|
|
i=0;
|
|
event = NULL;
|
|
|
|
if (!zap_running()) {
|
|
sangomabc_exec_commandp(pcon,
|
|
0,
|
|
0,
|
|
-1,
|
|
SIGBOOST_EVENT_SYSTEM_RESTART,
|
|
0);
|
|
zap_set_flag(mcon, MSU_FLAG_DOWN);
|
|
break;
|
|
}
|
|
|
|
FD_ZERO(&rfds);
|
|
FD_ZERO(&efds);
|
|
FD_SET(mcon->socket, &rfds);
|
|
FD_SET(mcon->socket, &efds);
|
|
FD_SET(pcon->socket, &rfds);
|
|
FD_SET(pcon->socket, &efds);
|
|
|
|
max = ((pcon->socket > mcon->socket) ? pcon->socket : mcon->socket) + 1;
|
|
|
|
#ifdef __WINDOWS__
|
|
if ((activity = select(max, &rfds, NULL, &efds, &tv)) < 0) {
|
|
goto error;
|
|
}
|
|
|
|
if (activity) {
|
|
if (FD_ISSET(pcon->socket, &efds) || FD_ISSET(mcon->socket, &efds)) {
|
|
goto error;
|
|
}
|
|
|
|
if (FD_ISSET(pcon->socket, &rfds)) {
|
|
while ((event = sangomabc_connection_readp(pcon, i))) {
|
|
parse_sangoma_event(span, pcon, (sangomabc_short_event_t*)event);
|
|
i++;
|
|
}
|
|
}
|
|
i=0;
|
|
|
|
if (FD_ISSET(mcon->socket, &rfds)) {
|
|
if ((event = sangomabc_connection_read(mcon, i))) {
|
|
parse_sangoma_event(span, mcon, (sangomabc_short_event_t*)event);
|
|
i++;
|
|
}
|
|
}
|
|
|
|
}
|
|
#else
|
|
|
|
a=0;
|
|
b=0;
|
|
i=0;
|
|
tv.tv_sec=0;
|
|
activity = waitfor_2sockets(pcon->socket,mcon->socket,&a,&b,ms);
|
|
if (activity) {
|
|
if (a) {
|
|
while ((event = sangomabc_connection_readp(pcon, i))) {
|
|
parse_sangoma_event(span, pcon, (sangomabc_short_event_t*)event);
|
|
i++;
|
|
}
|
|
}
|
|
i=0;
|
|
|
|
if (b) {
|
|
if ((event = sangomabc_connection_read(mcon, i))) {
|
|
parse_sangoma_event(span, mcon, (sangomabc_short_event_t*)event);
|
|
i++;
|
|
}
|
|
}
|
|
} else if (activity < 0) {
|
|
goto error;
|
|
}
|
|
|
|
#endif
|
|
|
|
pcon->hb_elapsed += ms;
|
|
|
|
if (zap_test_flag(span, ZAP_SPAN_SUSPENDED) || zap_test_flag(mcon, MSU_FLAG_DOWN)) {
|
|
pcon->hb_elapsed = 0;
|
|
}
|
|
|
|
|
|
#if 0
|
|
if (pcon->hb_elapsed >= too_long) {
|
|
zap_log(ZAP_LOG_CRIT, "Lost Heartbeat!\n");
|
|
zap_set_flag_locked(span, ZAP_SPAN_SUSPENDED);
|
|
zap_set_flag(mcon, MSU_FLAG_DOWN);
|
|
sangomabc_exec_commandp(pcon,
|
|
0,
|
|
0,
|
|
-1,
|
|
SIGBOOST_EVENT_SYSTEM_RESTART,
|
|
0);
|
|
}
|
|
#endif
|
|
|
|
if (zap_running()) {
|
|
check_state(span);
|
|
}
|
|
}
|
|
|
|
goto end;
|
|
|
|
error:
|
|
zap_log(ZAP_LOG_CRIT, "Socket Error!\n");
|
|
|
|
end:
|
|
|
|
sangomabc_connection_close(&sangoma_boost_data->mcon);
|
|
sangomabc_connection_close(&sangoma_boost_data->pcon);
|
|
|
|
zap_clear_flag(sangoma_boost_data, ZAP_SANGOMA_BOOST_RUNNING);
|
|
|
|
zap_log(ZAP_LOG_DEBUG, "SANGOMA_BOOST thread ended.\n");
|
|
return NULL;
|
|
}
|
|
|
|
/**
|
|
* \brief Loads sangoma boost signaling module
|
|
* \param zio Openzap IO interface
|
|
* \return Success
|
|
*/
|
|
static ZIO_SIG_LOAD_FUNCTION(zap_sangoma_boost_init)
|
|
{
|
|
zap_mutex_create(&request_mutex);
|
|
|
|
return ZAP_SUCCESS;
|
|
}
|
|
|
|
static zap_status_t zap_sangoma_boost_start(zap_span_t *span)
|
|
{
|
|
int err;
|
|
zap_sangoma_boost_data_t *sangoma_boost_data = span->signal_data;
|
|
zap_set_flag(sangoma_boost_data, ZAP_SANGOMA_BOOST_RUNNING);
|
|
err=zap_thread_create_detached(zap_sangoma_boost_run, span);
|
|
if (err) {
|
|
zap_clear_flag(sangoma_boost_data, ZAP_SANGOMA_BOOST_RUNNING);
|
|
return err;
|
|
}
|
|
// launch the events thread to handle HW DTMF and possibly
|
|
// other events in the future
|
|
err=zap_thread_create_detached(zap_sangoma_events_run, span);
|
|
if (err) {
|
|
zap_clear_flag(sangoma_boost_data, ZAP_SANGOMA_BOOST_RUNNING);
|
|
}
|
|
return err;
|
|
}
|
|
|
|
static zap_state_map_t boost_state_map = {
|
|
{
|
|
{
|
|
ZSD_OUTBOUND,
|
|
ZSM_UNACCEPTABLE,
|
|
{ZAP_ANY_STATE},
|
|
{ZAP_CHANNEL_STATE_RESTART, ZAP_END}
|
|
},
|
|
{
|
|
ZSD_OUTBOUND,
|
|
ZSM_UNACCEPTABLE,
|
|
{ZAP_CHANNEL_STATE_RESTART, ZAP_END},
|
|
{ZAP_CHANNEL_STATE_DOWN, ZAP_END}
|
|
},
|
|
{
|
|
ZSD_OUTBOUND,
|
|
ZSM_UNACCEPTABLE,
|
|
{ZAP_CHANNEL_STATE_DOWN, ZAP_END},
|
|
{ZAP_CHANNEL_STATE_PROGRESS_MEDIA, ZAP_CHANNEL_STATE_PROGRESS, ZAP_CHANNEL_STATE_IDLE, ZAP_CHANNEL_STATE_HOLD, ZAP_END}
|
|
},
|
|
{
|
|
ZSD_OUTBOUND,
|
|
ZSM_UNACCEPTABLE,
|
|
{ZAP_CHANNEL_STATE_HOLD, ZAP_END},
|
|
{ZAP_CHANNEL_STATE_PROGRESS_MEDIA, ZAP_CHANNEL_STATE_PROGRESS,
|
|
ZAP_CHANNEL_STATE_IDLE, ZAP_CHANNEL_STATE_TERMINATING, ZAP_CHANNEL_STATE_UP, ZAP_END}
|
|
},
|
|
{
|
|
ZSD_OUTBOUND,
|
|
ZSM_UNACCEPTABLE,
|
|
{ZAP_CHANNEL_STATE_IDLE, ZAP_END},
|
|
{ZAP_CHANNEL_STATE_PROGRESS_MEDIA, ZAP_CHANNEL_STATE_PROGRESS, ZAP_END}
|
|
},
|
|
{
|
|
ZSD_OUTBOUND,
|
|
ZSM_UNACCEPTABLE,
|
|
{ZAP_CHANNEL_STATE_PROGRESS_MEDIA, ZAP_CHANNEL_STATE_PROGRESS, ZAP_CHANNEL_STATE_IDLE, ZAP_END},
|
|
{ZAP_CHANNEL_STATE_HANGUP, ZAP_CHANNEL_STATE_TERMINATING, ZAP_CHANNEL_STATE_UP, ZAP_END}
|
|
},
|
|
{
|
|
ZSD_OUTBOUND,
|
|
ZSM_UNACCEPTABLE,
|
|
{ZAP_CHANNEL_STATE_HANGUP, ZAP_CHANNEL_STATE_TERMINATING, ZAP_END},
|
|
{ZAP_CHANNEL_STATE_HANGUP_COMPLETE, ZAP_CHANNEL_STATE_HANGUP, ZAP_END}
|
|
},
|
|
{
|
|
ZSD_OUTBOUND,
|
|
ZSM_UNACCEPTABLE,
|
|
{ZAP_CHANNEL_STATE_HANGUP_COMPLETE, ZAP_END},
|
|
{ZAP_CHANNEL_STATE_DOWN, ZAP_END},
|
|
},
|
|
{
|
|
ZSD_OUTBOUND,
|
|
ZSM_UNACCEPTABLE,
|
|
{ZAP_CHANNEL_STATE_UP, ZAP_END},
|
|
{ZAP_CHANNEL_STATE_HANGUP, ZAP_CHANNEL_STATE_TERMINATING, ZAP_END}
|
|
},
|
|
|
|
/****************************************/
|
|
{
|
|
ZSD_INBOUND,
|
|
ZSM_UNACCEPTABLE,
|
|
{ZAP_ANY_STATE},
|
|
{ZAP_CHANNEL_STATE_RESTART, ZAP_END}
|
|
},
|
|
{
|
|
ZSD_INBOUND,
|
|
ZSM_UNACCEPTABLE,
|
|
{ZAP_CHANNEL_STATE_RESTART, ZAP_END},
|
|
{ZAP_CHANNEL_STATE_DOWN, ZAP_END}
|
|
},
|
|
{
|
|
ZSD_INBOUND,
|
|
ZSM_UNACCEPTABLE,
|
|
{ZAP_CHANNEL_STATE_DOWN},
|
|
{ZAP_CHANNEL_STATE_IN_LOOP, ZAP_END}
|
|
},
|
|
{
|
|
ZSD_INBOUND,
|
|
ZSM_UNACCEPTABLE,
|
|
{ZAP_CHANNEL_STATE_IN_LOOP},
|
|
{ZAP_CHANNEL_STATE_DOWN, ZAP_END}
|
|
},
|
|
{
|
|
ZSD_INBOUND,
|
|
ZSM_UNACCEPTABLE,
|
|
{ZAP_CHANNEL_STATE_DOWN, ZAP_END},
|
|
{ZAP_CHANNEL_STATE_RING, ZAP_END}
|
|
},
|
|
{
|
|
ZSD_INBOUND,
|
|
ZSM_UNACCEPTABLE,
|
|
{ZAP_CHANNEL_STATE_RING, ZAP_END},
|
|
{ZAP_CHANNEL_STATE_HANGUP, ZAP_CHANNEL_STATE_TERMINATING, ZAP_CHANNEL_STATE_PROGRESS, ZAP_CHANNEL_STATE_PROGRESS_MEDIA,ZAP_END}
|
|
},
|
|
{
|
|
ZSD_INBOUND,
|
|
ZSM_UNACCEPTABLE,
|
|
{ZAP_CHANNEL_STATE_HANGUP, ZAP_CHANNEL_STATE_TERMINATING, ZAP_END},
|
|
{ZAP_CHANNEL_STATE_HANGUP_COMPLETE, ZAP_CHANNEL_STATE_HANGUP, ZAP_END},
|
|
},
|
|
{
|
|
ZSD_INBOUND,
|
|
ZSM_UNACCEPTABLE,
|
|
{ZAP_CHANNEL_STATE_HANGUP_COMPLETE, ZAP_CHANNEL_STATE_TERMINATING, ZAP_END},
|
|
{ZAP_CHANNEL_STATE_DOWN, ZAP_END},
|
|
},
|
|
{
|
|
ZSD_INBOUND,
|
|
ZSM_UNACCEPTABLE,
|
|
{ZAP_CHANNEL_STATE_PROGRESS, ZAP_CHANNEL_STATE_PROGRESS_MEDIA, ZAP_END},
|
|
{ZAP_CHANNEL_STATE_HANGUP, ZAP_CHANNEL_STATE_TERMINATING, ZAP_CHANNEL_STATE_UP, ZAP_CHANNEL_STATE_PROGRESS_MEDIA, ZAP_END},
|
|
},
|
|
{
|
|
ZSD_INBOUND,
|
|
ZSM_UNACCEPTABLE,
|
|
{ZAP_CHANNEL_STATE_UP, ZAP_END},
|
|
{ZAP_CHANNEL_STATE_HANGUP, ZAP_CHANNEL_STATE_TERMINATING, ZAP_END},
|
|
},
|
|
|
|
|
|
}
|
|
};
|
|
|
|
/**
|
|
* \brief Initialises an sangoma boost span from configuration variables
|
|
* \param span Span to configure
|
|
* \param sig_cb Callback function for event signals
|
|
* \param ap List of configuration variables
|
|
* \return Success or failure
|
|
*/
|
|
static ZIO_SIG_CONFIGURE_FUNCTION(zap_sangoma_boost_configure_span)
|
|
{
|
|
zap_sangoma_boost_data_t *sangoma_boost_data = NULL;
|
|
const char *local_ip = "127.0.0.65", *remote_ip = "127.0.0.66";
|
|
int local_port = 53000, remote_port = 53000;
|
|
char *var, *val;
|
|
int *intval;
|
|
|
|
while((var = va_arg(ap, char *))) {
|
|
if (!strcasecmp(var, "local_ip")) {
|
|
if (!(val = va_arg(ap, char *))) {
|
|
break;
|
|
}
|
|
local_ip = val;
|
|
} else if (!strcasecmp(var, "remote_ip")) {
|
|
if (!(val = va_arg(ap, char *))) {
|
|
break;
|
|
}
|
|
remote_ip = val;
|
|
} else if (!strcasecmp(var, "local_port")) {
|
|
if (!(intval = va_arg(ap, int *))) {
|
|
break;
|
|
}
|
|
local_port = *intval;
|
|
} else if (!strcasecmp(var, "remote_port")) {
|
|
if (!(intval = va_arg(ap, int *))) {
|
|
break;
|
|
}
|
|
remote_port = *intval;
|
|
} else {
|
|
snprintf(span->last_error, sizeof(span->last_error), "Unknown parameter [%s]", var);
|
|
return ZAP_FAIL;
|
|
}
|
|
}
|
|
|
|
|
|
if (!local_ip && local_port && remote_ip && remote_port && sig_cb) {
|
|
zap_set_string(span->last_error, "missing params");
|
|
return ZAP_FAIL;
|
|
}
|
|
|
|
sangoma_boost_data = malloc(sizeof(*sangoma_boost_data));
|
|
assert(sangoma_boost_data);
|
|
memset(sangoma_boost_data, 0, sizeof(*sangoma_boost_data));
|
|
|
|
zap_set_string(sangoma_boost_data->mcon.cfg.local_ip, local_ip);
|
|
sangoma_boost_data->mcon.cfg.local_port = local_port;
|
|
zap_set_string(sangoma_boost_data->mcon.cfg.remote_ip, remote_ip);
|
|
sangoma_boost_data->mcon.cfg.remote_port = remote_port;
|
|
span->signal_cb = sig_cb;
|
|
span->start = zap_sangoma_boost_start;
|
|
span->signal_data = sangoma_boost_data;
|
|
span->signal_type = ZAP_SIGTYPE_SANGOMABOOST;
|
|
span->outgoing_call = sangoma_boost_outgoing_call;
|
|
span->channel_request = sangoma_boost_channel_request;
|
|
span->state_map = &boost_state_map;
|
|
zap_set_flag_locked(span, ZAP_SPAN_SUSPENDED);
|
|
|
|
return ZAP_SUCCESS;
|
|
}
|
|
|
|
/**
|
|
* \brief Openzap sangoma boost signaling module definition
|
|
*/
|
|
zap_module_t zap_module = {
|
|
"sangoma_boost",
|
|
NULL,
|
|
NULL,
|
|
zap_sangoma_boost_init,
|
|
zap_sangoma_boost_configure_span,
|
|
NULL
|
|
};
|
|
|
|
/* For Emacs:
|
|
* Local Variables:
|
|
* mode:c
|
|
* indent-tabs-mode:t
|
|
* tab-width:4
|
|
* c-basic-offset:4
|
|
* End:
|
|
* For VIM:
|
|
* vim:set softtabstop=4 shiftwidth=4 tabstop=4 noet:
|
|
*/
|