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333 lines
11 KiB
333 lines
11 KiB
/*
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* libpri: An implementation of Primary Rate ISDN
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*
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* Copyright (C) 2009 Digium, Inc.
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*
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* Richard Mudgett <rmudgett@digium.com>
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*
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* See http://www.asterisk.org for more information about
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* the Asterisk project. Please do not directly contact
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* any of the maintainers of this project for assistance;
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* the project provides a web site, mailing lists and IRC
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* channels for your use.
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*
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* This program is free software, distributed under the terms of
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* the GNU General Public License Version 2 as published by the
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* Free Software Foundation. See the LICENSE file included with
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* this program for more details.
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*
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* In addition, when this program is distributed with Asterisk in
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* any form that would qualify as a 'combined work' or as a
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* 'derivative work' (but not mere aggregation), you can redistribute
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* and/or modify the combination under the terms of the license
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* provided with that copy of Asterisk, instead of the license
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* terms granted here.
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*/
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/*!
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* \file
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* \brief ROSE Explicit Call Transfer operations.
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*
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* Explicit Call Transfer (ECT) Supplementary Services ETS 300 369-1
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*
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* \author Richard Mudgett <rmudgett@digium.com>
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*/
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#include "compat.h"
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#include "libpri.h"
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#include "pri_internal.h"
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#include "rose.h"
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#include "rose_internal.h"
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#include "asn1.h"
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/* ------------------------------------------------------------------- */
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/*!
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* \brief Encode the ExplicitEctExecute invoke facility ie arguments.
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*
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* \param ctrl D channel controller for diagnostic messages or global options.
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* \param pos Starting position to encode ASN.1 component.
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* \param end End of ASN.1 encoding data buffer.
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* \param args Arguments to encode in the buffer.
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*
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* \retval Start of the next ASN.1 component to encode on success.
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* \retval NULL on error.
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*/
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unsigned char *rose_enc_etsi_ExplicitEctExecute_ARG(struct pri *ctrl, unsigned char *pos,
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unsigned char *end, const union rose_msg_invoke_args *args)
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{
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return asn1_enc_int(pos, end, ASN1_TYPE_INTEGER,
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args->etsi.ExplicitEctExecute.link_id);
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}
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/*!
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* \brief Encode the SubaddressTransfer invoke facility ie arguments.
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*
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* \param ctrl D channel controller for diagnostic messages or global options.
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* \param pos Starting position to encode ASN.1 component.
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* \param end End of ASN.1 encoding data buffer.
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* \param args Arguments to encode in the buffer.
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*
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* \retval Start of the next ASN.1 component to encode on success.
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* \retval NULL on error.
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*/
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unsigned char *rose_enc_etsi_SubaddressTransfer_ARG(struct pri *ctrl, unsigned char *pos,
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unsigned char *end, const union rose_msg_invoke_args *args)
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{
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return rose_enc_PartySubaddress(ctrl, pos, end,
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&args->etsi.SubaddressTransfer.subaddress);
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}
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/*!
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* \brief Encode the EctLinkIdRequest result facility ie arguments.
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*
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* \param ctrl D channel controller for diagnostic messages or global options.
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* \param pos Starting position to encode ASN.1 component.
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* \param end End of ASN.1 encoding data buffer.
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* \param args Arguments to encode in the buffer.
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*
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* \retval Start of the next ASN.1 component to encode on success.
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* \retval NULL on error.
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*/
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unsigned char *rose_enc_etsi_EctLinkIdRequest_RES(struct pri *ctrl, unsigned char *pos,
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unsigned char *end, const union rose_msg_result_args *args)
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{
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return asn1_enc_int(pos, end, ASN1_TYPE_INTEGER,
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args->etsi.EctLinkIdRequest.link_id);
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}
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/*!
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* \brief Encode the EctInform invoke facility ie arguments.
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*
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* \param ctrl D channel controller for diagnostic messages or global options.
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* \param pos Starting position to encode ASN.1 component.
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* \param end End of ASN.1 encoding data buffer.
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* \param args Arguments to encode in the buffer.
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*
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* \retval Start of the next ASN.1 component to encode on success.
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* \retval NULL on error.
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*/
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unsigned char *rose_enc_etsi_EctInform_ARG(struct pri *ctrl, unsigned char *pos,
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unsigned char *end, const union rose_msg_invoke_args *args)
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{
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const struct roseEtsiEctInform_ARG *ect_inform;
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unsigned char *seq_len;
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ASN1_CONSTRUCTED_BEGIN(seq_len, pos, end, ASN1_TAG_SEQUENCE);
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ect_inform = &args->etsi.EctInform;
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ASN1_CALL(pos, asn1_enc_int(pos, end, ASN1_TYPE_ENUMERATED, ect_inform->status));
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if (ect_inform->redirection_present) {
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ASN1_CALL(pos, rose_enc_PresentedNumberUnscreened(ctrl, pos, end,
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&ect_inform->redirection));
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}
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ASN1_CONSTRUCTED_END(seq_len, pos, end);
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return pos;
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}
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/*!
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* \brief Encode the EctLoopTest invoke facility ie arguments.
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*
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* \param ctrl D channel controller for diagnostic messages or global options.
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* \param pos Starting position to encode ASN.1 component.
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* \param end End of ASN.1 encoding data buffer.
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* \param args Arguments to encode in the buffer.
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*
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* \retval Start of the next ASN.1 component to encode on success.
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* \retval NULL on error.
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*/
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unsigned char *rose_enc_etsi_EctLoopTest_ARG(struct pri *ctrl, unsigned char *pos,
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unsigned char *end, const union rose_msg_invoke_args *args)
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{
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return asn1_enc_int(pos, end, ASN1_TYPE_INTEGER,
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args->etsi.EctLoopTest.call_transfer_id);
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}
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/*!
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* \brief Encode the EctLoopTest result facility ie arguments.
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*
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* \param ctrl D channel controller for diagnostic messages or global options.
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* \param pos Starting position to encode ASN.1 component.
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* \param end End of ASN.1 encoding data buffer.
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* \param args Arguments to encode in the buffer.
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*
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* \retval Start of the next ASN.1 component to encode on success.
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* \retval NULL on error.
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*/
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unsigned char *rose_enc_etsi_EctLoopTest_RES(struct pri *ctrl, unsigned char *pos,
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unsigned char *end, const union rose_msg_result_args *args)
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{
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return asn1_enc_int(pos, end, ASN1_TYPE_ENUMERATED,
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args->etsi.EctLoopTest.loop_result);
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}
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/*!
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* \brief Decode the ExplicitEctExecute invoke argument parameters.
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*
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* \param ctrl D channel controller for diagnostic messages or global options.
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* \param tag Component tag that identified this structure.
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* \param pos Starting position of the ASN.1 component length.
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* \param end End of ASN.1 decoding data buffer.
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* \param args Arguments to fill in from the decoded buffer.
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*
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* \retval Start of the next ASN.1 component on success.
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* \retval NULL on error.
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*/
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const unsigned char *rose_dec_etsi_ExplicitEctExecute_ARG(struct pri *ctrl, unsigned tag,
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const unsigned char *pos, const unsigned char *end, union rose_msg_invoke_args *args)
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{
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int32_t value;
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ASN1_CHECK_TAG(ctrl, tag, tag, ASN1_TYPE_INTEGER);
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ASN1_CALL(pos, asn1_dec_int(ctrl, "linkId", tag, pos, end, &value));
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args->etsi.ExplicitEctExecute.link_id = value;
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return pos;
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}
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/*!
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* \brief Decode the SubaddressTransfer invoke argument parameters.
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*
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* \param ctrl D channel controller for diagnostic messages or global options.
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* \param tag Component tag that identified this structure.
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* \param pos Starting position of the ASN.1 component length.
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* \param end End of ASN.1 decoding data buffer.
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* \param args Arguments to fill in from the decoded buffer.
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*
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* \retval Start of the next ASN.1 component on success.
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* \retval NULL on error.
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*/
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const unsigned char *rose_dec_etsi_SubaddressTransfer_ARG(struct pri *ctrl, unsigned tag,
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const unsigned char *pos, const unsigned char *end, union rose_msg_invoke_args *args)
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{
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return rose_dec_PartySubaddress(ctrl, "transferredToSubaddress", tag, pos, end,
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&args->etsi.SubaddressTransfer.subaddress);
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}
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/*!
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* \brief Decode the EctLinkIdRequest result argument parameters.
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*
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* \param ctrl D channel controller for diagnostic messages or global options.
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* \param tag Component tag that identified this structure.
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* \param pos Starting position of the ASN.1 component length.
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* \param end End of ASN.1 decoding data buffer.
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* \param args Arguments to fill in from the decoded buffer.
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*
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* \retval Start of the next ASN.1 component on success.
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* \retval NULL on error.
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*/
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const unsigned char *rose_dec_etsi_EctLinkIdRequest_RES(struct pri *ctrl, unsigned tag,
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const unsigned char *pos, const unsigned char *end, union rose_msg_result_args *args)
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{
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int32_t value;
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ASN1_CHECK_TAG(ctrl, tag, tag, ASN1_TYPE_INTEGER);
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ASN1_CALL(pos, asn1_dec_int(ctrl, "linkId", tag, pos, end, &value));
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args->etsi.EctLinkIdRequest.link_id = value;
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return pos;
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}
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/*!
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* \brief Decode the EctInform invoke argument parameters.
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*
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* \param ctrl D channel controller for diagnostic messages or global options.
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* \param tag Component tag that identified this structure.
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* \param pos Starting position of the ASN.1 component length.
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* \param end End of ASN.1 decoding data buffer.
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* \param args Arguments to fill in from the decoded buffer.
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*
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* \retval Start of the next ASN.1 component on success.
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* \retval NULL on error.
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*/
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const unsigned char *rose_dec_etsi_EctInform_ARG(struct pri *ctrl, unsigned tag,
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const unsigned char *pos, const unsigned char *end, union rose_msg_invoke_args *args)
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{
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struct roseEtsiEctInform_ARG *ect_inform;
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int length;
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int seq_offset;
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const unsigned char *seq_end;
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int32_t value;
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if (ctrl->debug & PRI_DEBUG_APDU) {
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pri_message(ctrl, " EctInform %s\n", asn1_tag2str(tag));
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}
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ASN1_CALL(pos, asn1_dec_length(pos, end, &length));
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ASN1_END_SETUP(seq_end, seq_offset, length, pos, end);
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ect_inform = &args->etsi.EctInform;
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ASN1_CALL(pos, asn1_dec_tag(pos, seq_end, &tag));
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ASN1_CHECK_TAG(ctrl, tag, tag, ASN1_TYPE_ENUMERATED);
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ASN1_CALL(pos, asn1_dec_int(ctrl, "callStatus", tag, pos, seq_end, &value));
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ect_inform->status = value;
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if (pos < seq_end && *pos != ASN1_INDEF_TERM) {
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ASN1_CALL(pos, asn1_dec_tag(pos, seq_end, &tag));
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ASN1_CALL(pos, rose_dec_PresentedNumberUnscreened(ctrl, "redirectionNumber", tag,
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pos, seq_end, &ect_inform->redirection));
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ect_inform->redirection_present = 1;
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} else {
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ect_inform->redirection_present = 0;
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}
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ASN1_END_FIXUP(ctrl, pos, seq_offset, seq_end, end);
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return pos;
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}
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/*!
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* \brief Decode the EctLoopTest invoke argument parameters.
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*
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* \param ctrl D channel controller for diagnostic messages or global options.
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* \param tag Component tag that identified this structure.
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* \param pos Starting position of the ASN.1 component length.
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* \param end End of ASN.1 decoding data buffer.
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* \param args Arguments to fill in from the decoded buffer.
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*
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* \retval Start of the next ASN.1 component on success.
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* \retval NULL on error.
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*/
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const unsigned char *rose_dec_etsi_EctLoopTest_ARG(struct pri *ctrl, unsigned tag,
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const unsigned char *pos, const unsigned char *end, union rose_msg_invoke_args *args)
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{
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int32_t value;
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ASN1_CHECK_TAG(ctrl, tag, tag, ASN1_TYPE_INTEGER);
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ASN1_CALL(pos, asn1_dec_int(ctrl, "callTransferId", tag, pos, end, &value));
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args->etsi.EctLoopTest.call_transfer_id = value;
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return pos;
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}
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/*!
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* \brief Decode the EctLoopTest result argument parameters.
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*
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* \param ctrl D channel controller for diagnostic messages or global options.
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* \param tag Component tag that identified this structure.
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* \param pos Starting position of the ASN.1 component length.
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* \param end End of ASN.1 decoding data buffer.
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* \param args Arguments to fill in from the decoded buffer.
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*
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* \retval Start of the next ASN.1 component on success.
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* \retval NULL on error.
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*/
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const unsigned char *rose_dec_etsi_EctLoopTest_RES(struct pri *ctrl, unsigned tag,
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const unsigned char *pos, const unsigned char *end, union rose_msg_result_args *args)
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{
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int32_t value;
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ASN1_CHECK_TAG(ctrl, tag, tag, ASN1_TYPE_ENUMERATED);
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ASN1_CALL(pos, asn1_dec_int(ctrl, "loopResult", tag, pos, end, &value));
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args->etsi.EctLoopTest.loop_result = value;
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return pos;
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}
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/* ------------------------------------------------------------------- */
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/* end rose_etsi_ect.c */
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