93 lines
2.2 KiB
C
93 lines
2.2 KiB
C
/*
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* (C) 2016 by Holger Hans Peter Freyther
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*
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* All Rights Reserved
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License as published by
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* the Free Software Foundation; either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU Affero General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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*/
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#include "call.h"
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#include "logging.h"
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#include <talloc.h>
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extern void *tall_mncc_ctx;
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LLIST_HEAD(g_call_list);
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static uint32_t last_call_id = 5000;
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void calls_init(void)
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{}
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void call_leg_release(struct call_leg *leg)
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{
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struct call *call = leg->call;
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if (leg == call->initial)
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call->initial = NULL;
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else if (leg == call->remote)
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call->remote = NULL;
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else {
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LOGP(DAPP, LOGL_ERROR, "call(%u) with unknown leg(%p/%d)\n",
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call->id, leg, leg->type);
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return;
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}
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talloc_free(leg);
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if (!call->initial && !call->remote) {
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uint32_t id = call->id;
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llist_del(&call->entry);
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talloc_free(call);
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LOGP(DAPP, LOGL_DEBUG, "call(%u) released.\n", id);
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}
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}
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struct call *sip_call_mncc_create(void)
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{
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struct call *call;
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call = talloc_zero(tall_mncc_ctx, struct call);
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if (!call) {
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LOGP(DCALL, LOGL_ERROR, "Failed to allocate memory for call\n");
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return NULL;
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}
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call->id = ++last_call_id;
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call->initial = (struct call_leg *) talloc_zero(call, struct mncc_call_leg);
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if (!call->initial) {
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LOGP(DCALL, LOGL_ERROR, "Failed to allocate MNCC leg\n");
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talloc_free(call);
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return NULL;
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}
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call->initial->type = CALL_TYPE_MNCC;
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call->initial->call = call;
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llist_add(&call->entry, &g_call_list);
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return call;
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}
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struct call_leg *call_leg_other(struct call_leg *leg)
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{
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if (leg->call->initial == leg)
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return leg->call->remote;
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if (leg->call->remote == leg)
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return leg->call->initial;
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LOGP(DAPP, LOGL_NOTICE, "leg(0x%p) not belonging to call(%u)\n",
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leg, leg->call->id);
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return NULL;
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}
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