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[master] add DSCP support

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3535.	[func]		Add support for setting Differentiated Services Code
			Point (DSCP) values in named.  Most configuration
			options which take a "port" option (e.g.,
			listen-on, forwarders, also-notify, masters,
			notify-source, etc) can now also take a "dscp"
			option specifying a code point for use with
			outgoing traffic, if supported by the underlying
			OS. [RT #27596]
This commit is contained in:
Evan Hunt
2013-03-22 12:27:54 -07:00
parent bbb3705e4c
commit 67adc03ef8
91 changed files with 3245 additions and 404 deletions
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14
lib/isccfg/include/isccfg/cfg.h
View File

@@ -303,6 +303,20 @@ cfg_obj_assockaddr(const cfg_obj_t *obj);
* if necessary.
*/
isc_dscp_t
cfg_obj_getdscp(const cfg_obj_t *obj);
/*%<
* Returns the DSCP value of a configuration object representing a
* socket address.
*
* Requires:
* \li 'obj' points to a valid configuration object of a
* socket address type.
*
* Returns:
* \li DSCP value associated with a sockaddr, or -1.
*/
isc_boolean_t
cfg_obj_isnetprefix(const cfg_obj_t *obj);
/*%<

9
lib/isccfg/include/isccfg/grammar.h
View File

@@ -157,6 +157,10 @@ struct cfg_obj {
cfg_list_t list;
cfg_obj_t ** tuple;
isc_sockaddr_t sockaddr;
struct {
isc_sockaddr_t sockaddr;
isc_dscp_t dscp;
} sockaddrdscp;
cfg_netprefix_t netprefix;
} value;
isc_refcount_t references; /*%< reference counter */
@@ -237,6 +241,7 @@ struct cfg_parser {
#define CFG_ADDR_V4PREFIXOK 0x00000002
#define CFG_ADDR_V6OK 0x00000004
#define CFG_ADDR_WILDOK 0x00000008
#define CFG_ADDR_DSCPOK 0x00000010
#define CFG_ADDR_MASK (CFG_ADDR_V6OK|CFG_ADDR_V4OK)
/*@}*/
@@ -267,6 +272,7 @@ LIBISCCFG_EXTERNAL_DATA extern cfg_type_t cfg_type_qstring;
LIBISCCFG_EXTERNAL_DATA extern cfg_type_t cfg_type_astring;
LIBISCCFG_EXTERNAL_DATA extern cfg_type_t cfg_type_ustring;
LIBISCCFG_EXTERNAL_DATA extern cfg_type_t cfg_type_sockaddr;
LIBISCCFG_EXTERNAL_DATA extern cfg_type_t cfg_type_sockaddrdscp;
LIBISCCFG_EXTERNAL_DATA extern cfg_type_t cfg_type_netaddr;
LIBISCCFG_EXTERNAL_DATA extern cfg_type_t cfg_type_netaddr4;
LIBISCCFG_EXTERNAL_DATA extern cfg_type_t cfg_type_netaddr4wild;
@@ -325,6 +331,9 @@ cfg_lookingat_netaddr(cfg_parser_t *pctx, unsigned int flags);
isc_result_t
cfg_parse_rawport(cfg_parser_t *pctx, unsigned int flags, in_port_t *port);
isc_result_t
cfg_parse_dscp(cfg_parser_t *pctx, isc_dscp_t *dscp);
isc_result_t
cfg_parse_sockaddr(cfg_parser_t *pctx, const cfg_type_t *type, cfg_obj_t **ret);