138 lines
2.8 KiB
C
138 lines
2.8 KiB
C
/*
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* (CAPI*)
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*
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* An implementation of Common ISDN API 2.0 for Asterisk
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*
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* RETRIEVE
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*
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* Copyright (C) 2005 Cytronics & Melware
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*
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* Armin Schindler <armin@melware.de>
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*
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* Reworked, but based on the work of
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* Copyright (C) 2002-2005 Junghanns.NET GmbH
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*
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* Klaus-Peter Junghanns <kapejod@ns1.jnetdns.de>
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*
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* This program is free software and may be modified and
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* distributed under the terms of the GNU Public License.
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*/
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#include "config.h"
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#include <asterisk/file.h>
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#include <asterisk/logger.h>
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#include <asterisk/channel.h>
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#ifndef CC_AST_HAVE_TECH_PVT
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#include <asterisk/channel_pvt.h>
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#endif
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#include <asterisk/pbx.h>
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#include <asterisk/module.h>
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#include <stdlib.h>
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#include <unistd.h>
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#include <string.h>
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#include <stdlib.h>
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#include <pthread.h>
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#include <linux/capi.h>
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#include <capi20.h>
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#include "chan_capi_pvt.h"
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#include "chan_capi_app.h"
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static char *tdesc = "(CAPI*) RETRIEVE";
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static char *app = "capiRETRIEVE";
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static char *synopsis = "retrieve the call that is on hold";
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STANDARD_LOCAL_USER;
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LOCAL_USER_DECL;
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static int capiRETRIEVE_exec(struct ast_channel *chan, void *data)
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{
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struct ast_capi_pvt *i = CC_AST_CHANNEL_PVT(chan);
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MESSAGE_EXCHANGE_ERROR Info;
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_cmsg CMSG;
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char fac[4];
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int res = 0;
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struct localuser *u;
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if (i->onholdPLCI <= 0) {
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ast_log(LOG_WARNING, "no call on hold to retrieve!\n");
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return -1;
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}
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LOCAL_USER_ADD(u);
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/* Do our thing here */
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fac[0] = 3; /* len */
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fac[1] = 0x03; /* retrieve */
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fac[2] = 0x00;
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fac[3] = 0;
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FACILITY_REQ_HEADER(&CMSG,ast_capi_ApplID, get_ast_capi_MessageNumber(),0);
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FACILITY_REQ_PLCI(&CMSG) = i->onholdPLCI;
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FACILITY_REQ_FACILITYSELECTOR(&CMSG) = 0x0003; /* sservices */
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FACILITY_REQ_FACILITYREQUESTPARAMETER(&CMSG) = (char *)&fac;
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if ((Info = _capi_put_cmsg(&CMSG)) != 0) {
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LOCAL_USER_REMOVE(u);
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return Info;
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} else {
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i->state = CAPI_STATE_RETRIEVING;
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ast_log(LOG_NOTICE,"sent FACILITY_REQ PLCI = %#x\n",i->onholdPLCI);
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}
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while (i->state == CAPI_STATE_RETRIEVING) {
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usleep(10000);
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}
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/* send a CONNECT_B3_REQ */
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memset(&CMSG, 0, sizeof(_cmsg));
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CONNECT_B3_REQ_HEADER(&CMSG, ast_capi_ApplID, get_ast_capi_MessageNumber(),0);
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CONNECT_B3_REQ_PLCI(&CMSG) = i->PLCI;
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if ((Info = _capi_put_cmsg(&CMSG)) == 0) {
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ast_log(LOG_NOTICE,"sent CONNECT_B3_REQ (PLCI=%#x)\n",
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i->PLCI);
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}
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while (i->state == CAPI_STATE_CONNECTED) {
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usleep(10000);
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}
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ast_log(LOG_NOTICE,"retrieved PLCI = %#x\n", i->PLCI);
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LOCAL_USER_REMOVE(u);
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return res;
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}
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int unload_module(void)
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{
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STANDARD_HANGUP_LOCALUSERS;
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return ast_unregister_application(app);
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}
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int load_module(void)
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{
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return ast_register_application(app, capiRETRIEVE_exec, synopsis, tdesc);
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}
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char *description(void)
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{
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return tdesc;
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}
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int usecount(void)
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{
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int res;
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STANDARD_USECOUNT(res);
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return res;
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}
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char *key()
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{
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return ASTERISK_GPL_KEY;
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}
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