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res_pjsip: Add utils for checking media types

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Added two new functions to assist checking media types...

* ast_sip_are_media_types_equal compares two pjsip_media_types.
* ast_sip_is_media_type_in tests if one media type is in a list
  of others.

Added static definitions for commonly used media types to
res_pjsip.h.

Changed several modules to use the new functions and static
definitions.

ASTERISK_29813
(not ready to close)

Change-Id: Ief77675235bd3bf00a6b095d4673fd878d0801b9
This commit is contained in:
George Joseph
2022-01-06 12:05:34 -07:00
committed by Joshua Colp
parent 96c2a7932d
commit 2f2af26e96
5 changed files with 97 additions and 7 deletions
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34
include/asterisk/res_pjsip.h
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@@ -877,6 +877,40 @@ struct ast_sip_endpoint {
#define AST_SIP_X_AST_TXP "x-ast-txp"
#define AST_SIP_X_AST_TXP_LEN 9
/*! Common media types used throughout res_pjsip and pjproject */
extern pjsip_media_type pjsip_media_type_application_json;
extern pjsip_media_type pjsip_media_type_application_media_control_xml;
extern pjsip_media_type pjsip_media_type_application_pidf_xml;
extern pjsip_media_type pjsip_media_type_application_xpidf_xml;
extern pjsip_media_type pjsip_media_type_application_cpim_xpidf_xml;
extern pjsip_media_type pjsip_media_type_application_rlmi_xml;
extern pjsip_media_type pjsip_media_type_application_simple_message_summary;
extern pjsip_media_type pjsip_media_type_application_sdp;
extern pjsip_media_type pjsip_media_type_multipart_alternative;
extern pjsip_media_type pjsip_media_type_multipart_mixed;
extern pjsip_media_type pjsip_media_type_multipart_related;
extern pjsip_media_type pjsip_media_type_text_plain;
/*!
* \brief Compare pjsip media types
*
* \param pjsip_media_type a
* \param pjsip_media_type b
* \retval 1 Media types are equal
* \retval 0 Media types are not equal
*/
int ast_sip_are_media_types_equal(pjsip_media_type *a, pjsip_media_type *b);
/*!
* \brief Check if a media type is in a list of others
*
* \param a pjsip_media_type to search for
* \param ... one or more pointers to pjsip_media_types the last of which must be "SENTINEL"
* \retval 1 Media types are equal
* \retval 0 Media types are not equal
*/
int ast_sip_is_media_type_in(pjsip_media_type *a, ...) attribute_sentinel;
/*!
* \brief Initialize an auth vector with the configured values.
*