mirror of
https://github.com/asterisk/asterisk.git
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144 lines
4.2 KiB
C
144 lines
4.2 KiB
C
/*
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* Asterisk -- An open source telephony toolkit.
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*
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* Copyright (C) 2017, Digium, Inc.
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*
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* Mark Michelson <mmichelson@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. See the LICENSE file
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* at the top of the source tree.
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*/
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#include "asterisk.h"
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#include "asterisk/utils.h"
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#include "asterisk/sdp_options.h"
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#include "sdp_private.h"
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#define DEFAULT_DTMF AST_SDP_DTMF_NONE
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#define DEFAULT_ICE AST_SDP_ICE_DISABLED
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#define DEFAULT_IMPL AST_SDP_IMPL_STRING
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#define DEFAULT_ENCRYPTION AST_SDP_ENCRYPTION_DISABLED
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#define DEFINE_STRINGFIELD_GETTERS_SETTERS_FOR(field, assert_on_null) \
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void ast_sdp_options_set_##field(struct ast_sdp_options *options, const char *value) \
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{ \
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ast_assert(options != NULL); \
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if ((assert_on_null)) ast_assert(!ast_strlen_zero(value)); \
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if (!strcmp(value, options->field)) return; \
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ast_string_field_set(options, field, value); \
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} \
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const char *ast_sdp_options_get_##field(const struct ast_sdp_options *options) \
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{ \
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ast_assert(options != NULL); \
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return options->field; \
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} \
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#define DEFINE_GETTERS_SETTERS_FOR(type, field) \
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void ast_sdp_options_set_##field(struct ast_sdp_options *options, type value) \
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{ \
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ast_assert(options != NULL); \
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options->field = value; \
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} \
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type ast_sdp_options_get_##field(const struct ast_sdp_options *options) \
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{ \
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ast_assert(options != NULL); \
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return options->field; \
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} \
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DEFINE_STRINGFIELD_GETTERS_SETTERS_FOR(media_address, 0);
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DEFINE_STRINGFIELD_GETTERS_SETTERS_FOR(interface_address, 0);
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DEFINE_STRINGFIELD_GETTERS_SETTERS_FOR(sdpowner, 0);
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DEFINE_STRINGFIELD_GETTERS_SETTERS_FOR(sdpsession, 0);
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DEFINE_STRINGFIELD_GETTERS_SETTERS_FOR(rtp_engine, 0);
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DEFINE_GETTERS_SETTERS_FOR(unsigned int, rtp_symmetric);
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DEFINE_GETTERS_SETTERS_FOR(unsigned int, udptl_symmetric);
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DEFINE_GETTERS_SETTERS_FOR(enum ast_t38_ec_modes, udptl_error_correction);
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DEFINE_GETTERS_SETTERS_FOR(unsigned int, udptl_far_max_datagram);
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DEFINE_GETTERS_SETTERS_FOR(unsigned int, rtp_ipv6);
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DEFINE_GETTERS_SETTERS_FOR(unsigned int, g726_non_standard);
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DEFINE_GETTERS_SETTERS_FOR(unsigned int, rtcp_mux);
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DEFINE_GETTERS_SETTERS_FOR(unsigned int, tos_audio);
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DEFINE_GETTERS_SETTERS_FOR(unsigned int, cos_audio);
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DEFINE_GETTERS_SETTERS_FOR(unsigned int, tos_video);
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DEFINE_GETTERS_SETTERS_FOR(unsigned int, cos_video);
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DEFINE_GETTERS_SETTERS_FOR(enum ast_sdp_options_dtmf, dtmf);
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DEFINE_GETTERS_SETTERS_FOR(enum ast_sdp_options_ice, ice);
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DEFINE_GETTERS_SETTERS_FOR(enum ast_sdp_options_impl, impl);
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DEFINE_GETTERS_SETTERS_FOR(enum ast_sdp_options_encryption, encryption);
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DEFINE_GETTERS_SETTERS_FOR(unsigned int, ssrc);
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struct ast_sched_context *ast_sdp_options_get_sched_type(const struct ast_sdp_options *options, enum ast_media_type type)
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{
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struct ast_sched_context *sched = NULL;
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switch (type) {
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case AST_MEDIA_TYPE_AUDIO:
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case AST_MEDIA_TYPE_VIDEO:
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case AST_MEDIA_TYPE_IMAGE:
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case AST_MEDIA_TYPE_TEXT:
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sched = options->sched[type];
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break;
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case AST_MEDIA_TYPE_UNKNOWN:
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case AST_MEDIA_TYPE_END:
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break;
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}
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return sched;
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}
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void ast_sdp_options_set_sched_type(struct ast_sdp_options *options, enum ast_media_type type, struct ast_sched_context *sched)
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{
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switch (type) {
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case AST_MEDIA_TYPE_AUDIO:
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case AST_MEDIA_TYPE_VIDEO:
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case AST_MEDIA_TYPE_IMAGE:
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case AST_MEDIA_TYPE_TEXT:
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options->sched[type] = sched;
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break;
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case AST_MEDIA_TYPE_UNKNOWN:
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case AST_MEDIA_TYPE_END:
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break;
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}
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}
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static void set_defaults(struct ast_sdp_options *options)
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{
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options->dtmf = DEFAULT_DTMF;
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options->ice = DEFAULT_ICE;
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options->impl = DEFAULT_IMPL;
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options->encryption = DEFAULT_ENCRYPTION;
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}
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struct ast_sdp_options *ast_sdp_options_alloc(void)
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{
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struct ast_sdp_options *options;
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options = ast_calloc(1, sizeof(*options));
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if (!options) {
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return NULL;
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}
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if (ast_string_field_init(options, 256)) {
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ast_free(options);
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return NULL;
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}
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set_defaults(options);
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return options;
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}
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void ast_sdp_options_free(struct ast_sdp_options *options)
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{
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ast_string_field_free_memory(options);
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ast_free(options);
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}
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